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 void fill_joystick_dideviceinstanceA(LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 227 {
 228     DWORD dwSize = lpddi->dwSize;
 229
 230     TRACE("%d %p\n", dwSize, lpddi);
 231     memset(lpddi, 0, dwSize);
 232
 233     /* Return joystick */
 234     lpddi->dwSize = dwSize;
 235     lpddi->guidInstance = DInput_Wine_Joystick_GUID;
 236     lpddi->guidInstance.Data3 = id;
 237     lpddi->guidProduct = DInput_Wine_Joystick_GUID;
 238     /* we only support traditional joysticks for now */
 239     if (version >= 0x0800)
 240         lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 241     else
 242         lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 243     strcpy(lpddi->tszInstanceName, joystick_devices[id].name);
 244     strcpy(lpddi->tszProductName,  joystick_devices[id].name);
 245
 246     lpddi->guidFFDriver = GUID_NULL;
 247 }
 248
 249 static void fill_joystick_dideviceinstanceW(LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 250 {
 251     DWORD dwSize = lpddi->dwSize;
 252
 253     TRACE("%d %p\n", dwSize, lpddi);
 254     memset(lpddi, 0, dwSize);
 255
 256     /* Return joystick */
 257     lpddi->dwSize = dwSize;
 258     lpddi->guidInstance = DInput_Wine_Joystick_GUID;
 259     lpddi->guidInstance.Data3 = id;
 260     lpddi->guidProduct = DInput_Wine_Joystick_GUID;
 261     /* we only support traditional joysticks for now */
 262     if (version >= 0x0800)
 263         lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 264     else
 265         lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 266
 267     MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 268     MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszProductName, MAX_PATH);
 269     lpddi->guidFFDriver = GUID_NULL;
 270 }
 271
 272 static HRESULT joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 273 {
 274     int fd = -1;
 275
 276     if (id >= find_joystick_devices()) return E_FAIL;
 277
 278     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 279         WARN("force feedback not supported\n");
 280         return S_FALSE;
 281     }
 282
 283     if ((dwDevType == 0) ||
 284         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 285         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 286         /* check whether we have a joystick */
 287         if ((fd = open(joystick_devices[id].device, O_RDONLY)) < 0)
 288         {
 289             WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].name, strerror(errno));
 290             return S_FALSE;
 291         }
 292         fill_joystick_dideviceinstanceA( lpddi, version, id );
 293         close(fd);
 294         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, lpddi->tszProductName);
 295         return S_OK;
 296     }
 297
 298     return S_FALSE;
 299 }
 300
 301 static HRESULT joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 302 {
 303     int fd = -1;
 304
 305     if (id >= find_joystick_devices()) return E_FAIL;
 306
 307     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 308         WARN("force feedback not supported\n");
 309         return S_FALSE;
 310     }
 311
 312     if ((dwDevType == 0) ||
 313         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 314         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 315         /* check whether we have a joystick */
 316         if ((fd = open(joystick_devices[id].device, O_RDONLY)) < 0)
 317         {
 318             WARN("open(%s,O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
 319             return S_FALSE;
 320         }
 321         fill_joystick_dideviceinstanceW( lpddi, version, id );
 322         close(fd);
 323         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
 324         return S_OK;
 325     }
 326
 327     return S_FALSE;
 328 }
 329
 330 static HRESULT alloc_device(REFGUID rguid, IDirectInputImpl *dinput,
 331                             JoystickImpl **pdev, unsigned short index)
 332 {
 333     DWORD i;
 334     JoystickImpl* newDevice;
 335     HRESULT hr;
 336     LPDIDATAFORMAT df = NULL;
 337     int idx = 0;
 338
 339     TRACE("%s %p %p %hu\n", debugstr_guid(rguid), dinput, pdev, index);
 340
 341     newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
 342     if (newDevice == 0) {
 343         WARN("out of memory\n");
 344         *pdev = 0;
 345         return DIERR_OUTOFMEMORY;
 346     }
 347
 348     newDevice->joydev = &joystick_devices[index];
 349     newDevice->joyfd = -1;
 350     newDevice->generic.guidInstance = DInput_Wine_Joystick_GUID;
 351     newDevice->generic.guidInstance.Data3 = index;
 352     newDevice->generic.guidProduct = DInput_Wine_Joystick_GUID;
 353     newDevice->generic.joy_polldev = joy_polldev;
 354     newDevice->generic.name        = newDevice->joydev->name;
 355     newDevice->generic.device_axis_count = newDevice->joydev->axis_count;
 356     newDevice->generic.devcaps.dwButtons = newDevice->joydev->button_count;
 357
 358     if (newDevice->generic.devcaps.dwButtons > 128)
 359     {
 360         WARN("Can't support %d buttons. Clamping down to 128\n", newDevice->generic.devcaps.dwButtons);
 361         newDevice->generic.devcaps.dwButtons = 128;
 362     }
 363
 364     newDevice->generic.base.IDirectInputDevice8A_iface.lpVtbl = &JoystickAvt;
 365     newDevice->generic.base.IDirectInputDevice8W_iface.lpVtbl = &JoystickWvt;
 366     newDevice->generic.base.ref = 1;
 367     newDevice->generic.base.dinput = dinput;
 368     newDevice->generic.base.guid = *rguid;
 369     InitializeCriticalSection(&newDevice->generic.base.crit);
 370     newDevice->generic.base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->generic.base.crit");
 371
 372     /* setup_dinput_options may change these */
 373     newDevice->generic.deadzone = 0;
 374
 375     /* do any user specified configuration */
 376     hr = setup_dinput_options(&newDevice->generic, newDevice->joydev->dev_axes_map);
 377     if (hr != DI_OK)
 378         goto FAILED1;
 379
 380     /* Create copy of default data format */
 381     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto FAILED;
 382     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 383
 384     df->dwNumObjs = newDevice->generic.devcaps.dwAxes + newDevice->generic.devcaps.dwPOVs + newDevice->generic.devcaps.dwButtons;
 385     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto FAILED;
 386
 387     for (i = 0; i < newDevice->generic.device_axis_count; i++)
 388     {
 389         int wine_obj = newDevice->generic.axis_map[i];
 390
 391         if (wine_obj < 0) continue;
 392
 393         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[wine_obj], df->dwObjSize);
 394         if (wine_obj < 8)
 395             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj) | DIDFT_ABSAXIS;
 396         else
 397         {
 398             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj - 8) | DIDFT_POV;
 399             i++; /* POV takes 2 axes */
 400         }
 401     }
 402     for (i = 0; i < newDevice->generic.devcaps.dwButtons; i++)
 403     {
 404         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + 12], df->dwObjSize);
 405         df->rgodf[idx  ].pguid = &GUID_Button;
 406         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_PSHBUTTON;
 407     }
 408     newDevice->generic.base.data_format.wine_df = df;
 409
 410     /* initialize default properties */
 411     for (i = 0; i < c_dfDIJoystick2.dwNumObjs; i++) {
 412         newDevice->generic.props[i].lDevMin = -32767;
 413         newDevice->generic.props[i].lDevMax = +32767;
 414         newDevice->generic.props[i].lMin = 0;
 415         newDevice->generic.props[i].lMax = 0xffff;
 416         newDevice->generic.props[i].lDeadZone = newDevice->generic.deadzone; /* % * 1000 */
 417         newDevice->generic.props[i].lSaturation = 0;
 418     }
 419
 420     IDirectInput_AddRef(&newDevice->generic.base.dinput->IDirectInput7A_iface);
 421
 422     EnterCriticalSection(&dinput->crit);
 423     list_add_tail(&dinput->devices_list, &newDevice->generic.base.entry);
 424     LeaveCriticalSection(&dinput->crit);
 425
 426     newDevice->generic.devcaps.dwSize = sizeof(newDevice->generic.devcaps);
 427     newDevice->generic.devcaps.dwFlags = DIDC_ATTACHED;
 428     if (newDevice->generic.base.dinput->dwVersion >= 0x0800)
 429         newDevice->generic.devcaps.dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 430     else
 431         newDevice->generic.devcaps.dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 432     newDevice->generic.devcaps.dwFFSamplePeriod = 0;
 433     newDevice->generic.devcaps.dwFFMinTimeResolution = 0;
 434     newDevice->generic.devcaps.dwFirmwareRevision = 0;
 435     newDevice->generic.devcaps.dwHardwareRevision = 0;
 436     newDevice->generic.devcaps.dwFFDriverVersion = 0;
 437
 438     if (TRACE_ON(dinput)) {
 439         _dump_DIDATAFORMAT(newDevice->generic.base.data_format.wine_df);
 440        for (i = 0; i < (newDevice->generic.device_axis_count); i++)
 441            TRACE("axis_map[%d] = %d\n", i, newDevice->generic.axis_map[i]);
 442         _dump_DIDEVCAPS(&newDevice->generic.devcaps);
 443     }
 444
 445     *pdev = newDevice;
 446
 447     return DI_OK;
 448
 449 FAILED:
 450     hr = DIERR_OUTOFMEMORY;
 451 FAILED1:
 452     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 453     HeapFree(GetProcessHeap(), 0, df);
 454     release_DataFormat(&newDevice->generic.base.data_format);
 455     HeapFree(GetProcessHeap(),0,newDevice->generic.axis_map);
 456     HeapFree(GetProcessHeap(),0,newDevice);
 457     *pdev = 0;
 458
 459     return hr;
 460 }
 461
 462 /******************************************************************************
 463   *     get_joystick_index : Get the joystick index from a given GUID
 464   */
 465 static unsigned short get_joystick_index(REFGUID guid)
 466 {
 467     GUID wine_joystick = DInput_Wine_Joystick_GUID;
 468     GUID dev_guid = *guid;
 469
 470     wine_joystick.Data3 = 0;
 471     dev_guid.Data3 = 0;
 472
 473     /* for the standard joystick GUID use index 0 */
 474     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
 475
 476     /* for the wine joystick GUIDs use the index stored in Data3 */
 477     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3;
 478
 479     return MAX_JOYSTICKS;
 480 }
 481
 482 static HRESULT joydev_create_device(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPVOID *pdev, int unicode)
 483 {
 484     unsigned short index;
 485
 486     TRACE("%p %s %s %p %i\n", dinput, debugstr_guid(rguid), debugstr_guid(riid), pdev, unicode);
 487     find_joystick_devices();
 488     *pdev = NULL;
 489
 490     if ((index = get_joystick_index(rguid)) < MAX_JOYSTICKS &&
 491         joystick_devices_count && index < joystick_devices_count)
 492     {
 493         JoystickImpl *This;
 494         HRESULT hr;
 495
 496         if (riid == NULL)
 497             ;/* nothing */
 498         else if (IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
 499                  IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
 500                  IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
 501                  IsEqualGUID(&IID_IDirectInputDevice8A, riid))
 502         {
 503             unicode = 0;
 504         }
 505         else if (IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
 506                  IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
 507                  IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
 508                  IsEqualGUID(&IID_IDirectInputDevice8W, riid))
 509         {
 510             unicode = 1;
 511         }
 512         else
 513         {
 514             WARN("no interface\n");
 515             return DIERR_NOINTERFACE;
 516         }
 517
 518         hr = alloc_device(rguid, dinput, &This, index);
 519         if (!This) return hr;
 520
 521         if (unicode)
 522             *pdev = &This->generic.base.IDirectInputDevice8W_iface;
 523         else
 524             *pdev = &This->generic.base.IDirectInputDevice8A_iface;
 525
 526         return hr;
 527     }
 528
 529     return DIERR_DEVICENOTREG;
 530 }
 531
 532 #undef MAX_JOYSTICKS
 533
 534 const struct dinput_device joystick_linux_device = {
 535   "Wine Linux joystick driver",
 536   joydev_enum_deviceA,
 537   joydev_enum_deviceW,
 538   joydev_create_device
 539 };
 540
 541 /******************************************************************************
 542   *     Acquire : gets exclusive control of the joystick
 543   */
 544 static HRESULT WINAPI JoystickLinuxWImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
 545 {
 546     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 547     HRESULT res;
 548
 549     TRACE("(%p)\n",This);
 550
 551     res = IDirectInputDevice2WImpl_Acquire(iface);
 552     if (res != DI_OK)
 553         return res;
 554
 555     /* open the joystick device */
 556     if (This->joyfd==-1) {
 557         TRACE("opening joystick device %s\n", This->joydev->device);
 558
 559         This->joyfd = open(This->joydev->device, O_RDONLY);
 560         if (This->joyfd==-1) {
 561             ERR("open(%s) failed: %s\n", This->joydev->device, strerror(errno));
 562             IDirectInputDevice2WImpl_Unacquire(iface);
 563             return DIERR_NOTFOUND;
 564         }
 565     }
 566
 567     return DI_OK;
 568 }
 569
 570 static HRESULT WINAPI JoystickLinuxAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 571 {
 572     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 573     return JoystickLinuxWImpl_Acquire(IDirectInputDevice8W_from_impl(This));
 574 }
 575
 576 /******************************************************************************
 577   *     GetProperty : get input device properties
 578   */
 579 static HRESULT WINAPI JoystickLinuxWImpl_GetProperty(LPDIRECTINPUTDEVICE8W iface, REFGUID rguid, LPDIPROPHEADER pdiph)
 580 {
 581     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 582
 583     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
 584     _dump_DIPROPHEADER(pdiph);
 585
 586     if (!IS_DIPROP(rguid)) return DI_OK;
 587
 588     switch (LOWORD(rguid)) {
 589
 590         case (DWORD_PTR) DIPROP_JOYSTICKID:
 591         {
 592             LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 593
 594             pd->dwData = get_joystick_index(&This->generic.base.guid);
 595             TRACE("DIPROP_JOYSTICKID(%d)\n", pd->dwData);
 596             break;
 597         }
 598
 599     default:
 600         return JoystickWGenericImpl_GetProperty(iface, rguid, pdiph);
 601     }
 602
 603     return DI_OK;
 604 }
 605
 606 static HRESULT WINAPI JoystickLinuxAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface, REFGUID rguid, LPDIPROPHEADER pdiph)
 607 {
 608     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 609     return JoystickLinuxWImpl_GetProperty(IDirectInputDevice8W_from_impl(This), rguid, pdiph);
 610 }
 611
 612 /******************************************************************************
 613   *     GetDeviceInfo : get information about a device's identity
 614   */
 615 static HRESULT WINAPI JoystickLinuxAImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8A iface, LPDIDEVICEINSTANCEA ddi)
 616 {
 617     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 618
 619     TRACE("(%p) %p\n", This, ddi);
 620
 621     if (ddi == NULL) return E_POINTER;
 622     if ((ddi->dwSize != sizeof(DIDEVICEINSTANCE_DX3A)) &&
 623         (ddi->dwSize != sizeof(DIDEVICEINSTANCEA)))
 624         return DIERR_INVALIDPARAM;
 625
 626     fill_joystick_dideviceinstanceA( ddi, This->generic.base.dinput->dwVersion,
 627                                      get_joystick_index(&This->generic.base.guid) );
 628     return DI_OK;
 629 }
 630
 631 static HRESULT WINAPI JoystickLinuxWImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8W iface, LPDIDEVICEINSTANCEW ddi)
 632 {
 633     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 634
 635     TRACE("(%p) %p\n", This, ddi);
 636
 637     if (ddi == NULL) return E_POINTER;
 638     if ((ddi->dwSize != sizeof(DIDEVICEINSTANCE_DX3W)) &&
 639         (ddi->dwSize != sizeof(DIDEVICEINSTANCEW)))
 640         return DIERR_INVALIDPARAM;
 641
 642     fill_joystick_dideviceinstanceW( ddi, This->generic.base.dinput->dwVersion,
 643                                      get_joystick_index(&This->generic.base.guid) );
 644     return DI_OK;
 645 }
 646
 647 /******************************************************************************
 648   *     Unacquire : frees the joystick
 649   */
 650 static HRESULT WINAPI JoystickLinuxWImpl_Unacquire(LPDIRECTINPUTDEVICE8W iface)
 651 {
 652     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 653     HRESULT res;
 654
 655     TRACE("(%p)\n",This);
 656
 657     res = IDirectInputDevice2WImpl_Unacquire(iface);
 658
 659     if (res != DI_OK)
 660         return res;
 661
 662     if (This->joyfd!=-1) {
 663         TRACE("closing joystick device\n");
 664         close(This->joyfd);
 665         This->joyfd = -1;
 666         return DI_OK;
 667     }
 668
 669     return DI_NOEFFECT;
 670 }
 671
 672 static HRESULT WINAPI JoystickLinuxAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 673 {
 674     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 675     return JoystickLinuxWImpl_Unacquire(IDirectInputDevice8W_from_impl(This));
 676 }
 677
 678 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface)
 679 {
 680     struct pollfd plfd;
 681     struct js_event jse;
 682     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 683
 684     TRACE("(%p)\n", This);
 685
 686     if (This->joyfd==-1) {
 687         WARN("no device\n");
 688         return;
 689     }
 690     while (1)
 691     {
 692         LONG value;
 693         int inst_id = -1;
 694
 695         plfd.fd = This->joyfd;
 696         plfd.events = POLLIN;
 697         if (poll(&plfd,1,0) != 1)
 698             return;
 699         /* we have one event, so we can read */
 700         if (sizeof(jse)!=read(This->joyfd,&jse,sizeof(jse))) {
 701             return;
 702         }
 703         TRACE("js_event: type 0x%x, number %d, value %d\n",
 704               jse.type,jse.number,jse.value);
 705         if (jse.type & JS_EVENT_BUTTON)
 706         {
 707             if (jse.number >= This->generic.devcaps.dwButtons) return;
 708
 709             inst_id = DIDFT_MAKEINSTANCE(jse.number) | DIDFT_PSHBUTTON;
 710             This->generic.js.rgbButtons[jse.number] = value = jse.value ? 0x80 : 0x00;
 711         }
 712         else if (jse.type & JS_EVENT_AXIS)
 713         {
 714             int number = This->generic.axis_map[jse.number];    /* wine format object index */
 715
 716             if (number < 0) return;
 717             inst_id = number < 8 ?  DIDFT_MAKEINSTANCE(number) | DIDFT_ABSAXIS :
 718                                     DIDFT_MAKEINSTANCE(number - 8) | DIDFT_POV;
 719             value = joystick_map_axis(&This->generic.props[id_to_object(This->generic.base.data_format.wine_df, inst_id)], jse.value);
 720
 721             TRACE("changing axis %d => %d\n", jse.number, number);
 722             switch (number)
 723             {
 724                 case 0: This->generic.js.lX  = value; break;
 725                 case 1: This->generic.js.lY  = value; break;
 726                 case 2: This->generic.js.lZ  = value; break;
 727                 case 3: This->generic.js.lRx = value; break;
 728                 case 4: This->generic.js.lRy = value; break;
 729                 case 5: This->generic.js.lRz = value; break;
 730                 case 6: This->generic.js.rglSlider[0] = value; break;
 731                 case 7: This->generic.js.rglSlider[1] = value; break;
 732                 case 8: case 9: case 10: case 11:
 733                 {
 734                     int idx = number - 8;
 735
 736                     if (jse.number % 2)
 737                         This->povs[idx].y = jse.value;
 738                     else
 739                         This->povs[idx].x = jse.value;
 740
 741                     This->generic.js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 742                     break;
 743                 }
 744                 default:
 745                     WARN("axis %d not supported\n", number);
 746             }
 747         }
 748         if (inst_id >= 0)
 749             queue_event(iface, inst_id, value, GetCurrentTime(), This->generic.base.dinput->evsequence++);
 750     }
 751 }
 752
 753 static const IDirectInputDevice8AVtbl JoystickAvt =
 754 {
 755         IDirectInputDevice2AImpl_QueryInterface,
 756         IDirectInputDevice2AImpl_AddRef,
 757         IDirectInputDevice2AImpl_Release,
 758         JoystickAGenericImpl_GetCapabilities,
 759         IDirectInputDevice2AImpl_EnumObjects,
 760         JoystickLinuxAImpl_GetProperty,
 761         JoystickAGenericImpl_SetProperty,
 762         JoystickLinuxAImpl_Acquire,
 763         JoystickLinuxAImpl_Unacquire,
 764         JoystickAGenericImpl_GetDeviceState,
 765         IDirectInputDevice2AImpl_GetDeviceData,
 766         IDirectInputDevice2AImpl_SetDataFormat,
 767         IDirectInputDevice2AImpl_SetEventNotification,
 768         IDirectInputDevice2AImpl_SetCooperativeLevel,
 769         JoystickAGenericImpl_GetObjectInfo,
 770         JoystickLinuxAImpl_GetDeviceInfo,
 771         IDirectInputDevice2AImpl_RunControlPanel,
 772         IDirectInputDevice2AImpl_Initialize,
 773         IDirectInputDevice2AImpl_CreateEffect,
 774         IDirectInputDevice2AImpl_EnumEffects,
 775         IDirectInputDevice2AImpl_GetEffectInfo,
 776         IDirectInputDevice2AImpl_GetForceFeedbackState,
 777         IDirectInputDevice2AImpl_SendForceFeedbackCommand,
 778         IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
 779         IDirectInputDevice2AImpl_Escape,
 780         JoystickAGenericImpl_Poll,
 781         IDirectInputDevice2AImpl_SendDeviceData,
 782         IDirectInputDevice7AImpl_EnumEffectsInFile,
 783         IDirectInputDevice7AImpl_WriteEffectToFile,
 784         JoystickAGenericImpl_BuildActionMap,
 785         JoystickAGenericImpl_SetActionMap,
 786         IDirectInputDevice8AImpl_GetImageInfo
 787 };
 788
 789 static const IDirectInputDevice8WVtbl JoystickWvt =
 790 {
 791     IDirectInputDevice2WImpl_QueryInterface,
 792     IDirectInputDevice2WImpl_AddRef,
 793     IDirectInputDevice2WImpl_Release,
 794     JoystickWGenericImpl_GetCapabilities,
 795     IDirectInputDevice2WImpl_EnumObjects,
 796     JoystickLinuxWImpl_GetProperty,
 797     JoystickWGenericImpl_SetProperty,
 798     JoystickLinuxWImpl_Acquire,
 799     JoystickLinuxWImpl_Unacquire,
 800     JoystickWGenericImpl_GetDeviceState,
 801     IDirectInputDevice2WImpl_GetDeviceData,
 802     IDirectInputDevice2WImpl_SetDataFormat,
 803     IDirectInputDevice2WImpl_SetEventNotification,
 804     IDirectInputDevice2WImpl_SetCooperativeLevel,
 805     JoystickWGenericImpl_GetObjectInfo,
 806     JoystickLinuxWImpl_GetDeviceInfo,
 807     IDirectInputDevice2WImpl_RunControlPanel,
 808     IDirectInputDevice2WImpl_Initialize,
 809     IDirectInputDevice2WImpl_CreateEffect,
 810     IDirectInputDevice2WImpl_EnumEffects,
 811     IDirectInputDevice2WImpl_GetEffectInfo,
 812     IDirectInputDevice2WImpl_GetForceFeedbackState,
 813     IDirectInputDevice2WImpl_SendForceFeedbackCommand,
 814     IDirectInputDevice2WImpl_EnumCreatedEffectObjects,
 815     IDirectInputDevice2WImpl_Escape,
 816     JoystickWGenericImpl_Poll,
 817     IDirectInputDevice2WImpl_SendDeviceData,
 818     IDirectInputDevice7WImpl_EnumEffectsInFile,
 819     IDirectInputDevice7WImpl_WriteEffectToFile,
 820     JoystickWGenericImpl_BuildActionMap,
 821     JoystickWGenericImpl_SetActionMap,
 822     IDirectInputDevice8WImpl_GetImageInfo
 823 };
 824
 825 #else  /* HAVE_LINUX_22_JOYSTICK_API */
 826
 827 const struct dinput_device joystick_linux_device = {
 828   "Wine Linux joystick driver",
 829   NULL,
 830   NULL,
 831   NULL
 832 };
 833
 834 #endif  /* HAVE_LINUX_22_JOYSTICK_API */