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
  75 struct JoyDev
  76 {
  77     char device[MAX_PATH];
  78     char name[MAX_PATH];
  79
  80     BYTE axis_count;
  81     BYTE button_count;
  82     int  *dev_axes_map;
  83 };
  84
  85 typedef struct JoystickImpl JoystickImpl;
  86 static const IDirectInputDevice8AVtbl JoystickAvt;
  87 static const IDirectInputDevice8WVtbl JoystickWvt;
  88 struct JoystickImpl
  89 {
  90         struct JoystickGenericImpl generic;
  91
  92         struct JoyDev                  *joydev;
  93
  94         /* joystick private */
  95         int                             joyfd;
  96         POINTL                          povs[4];
  97 };
  98
  99 static inline JoystickImpl *impl_from_IDirectInputDevice8A(IDirectInputDevice8A *iface)
 100 {
 101     return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8A_iface),
 102            JoystickGenericImpl, base), JoystickImpl, generic);
 103 }
 104 static inline JoystickImpl *impl_from_IDirectInputDevice8W(IDirectInputDevice8W *iface)
 105 {
 106     return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8W_iface),
 107            JoystickGenericImpl, base), JoystickImpl, generic);
 108 }
 109 static inline IDirectInputDevice8A *IDirectInputDevice8A_from_impl(JoystickImpl *This)
 110 {
 111     return &This->generic.base.IDirectInputDevice8A_iface;
 112 }
 113 static inline IDirectInputDevice8W *IDirectInputDevice8W_from_impl(JoystickImpl *This)
 114 {
 115     return &This->generic.base.IDirectInputDevice8W_iface;
 116 }
 117
 118 static const GUID DInput_Wine_Joystick_GUID = { /* 9e573ed9-7734-11d2-8d4a-23903fb6bdf7 */
 119   0x9e573ed9,
 120   0x7734,
 121   0x11d2,
 122   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 123 };
 124
 125 #define MAX_JOYSTICKS 64
 126 static INT joystick_devices_count = -1;
 127 static struct JoyDev *joystick_devices;
 128
 129 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface);
 130
 131 static INT find_joystick_devices(void)
 132 {
 133     INT i;
 134
 135     if (joystick_devices_count != -1) return joystick_devices_count;
 136
 137     joystick_devices_count = 0;
 138     for (i = 0; i < MAX_JOYSTICKS; i++)
 139     {
 140         int fd;
 141         struct JoyDev joydev, *new_joydevs;
 142         BYTE axes_map[ABS_MAX + 1];
 143
 144         snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_NEW, i);
 145         if ((fd = open(joydev.device, O_RDONLY)) < 0)
 146         {
 147             snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_OLD, i);
 148             if ((fd = open(joydev.device, O_RDONLY)) < 0) continue;
 149         }
 150
 151         strcpy(joydev.name, "Wine Joystick");
 152 #if defined(JSIOCGNAME)
 153         if (ioctl(fd, JSIOCGNAME(sizeof(joydev.name)), joydev.name) < 0)
 154             WARN("ioctl(%s,JSIOCGNAME) failed: %s\n", joydev.device, strerror(errno));
 155 #endif
 156 #ifdef JSIOCGAXES
 157         if (ioctl(fd, JSIOCGAXES, &joydev.axis_count) < 0)
 158         {
 159             WARN("ioctl(%s,JSIOCGAXES) failed: %s, defauting to 2\n", joydev.device, strerror(errno));
 160             joydev.axis_count = 2;
 161         }
 162 #endif
 163 #ifdef JSIOCGBUTTONS
 164         if (ioctl(fd, JSIOCGBUTTONS, &joydev.button_count) < 0)
 165         {
 166             WARN("ioctl(%s,JSIOCGBUTTONS) failed: %s, defauting to 2\n", joydev.device, strerror(errno));
 167             joydev.button_count = 2;
 168         }
 169 #endif
 170
 171         if (ioctl(fd, JSIOCGAXMAP, axes_map) < 0)
 172         {
 173             WARN("ioctl(%s,JSIOCGNAME) failed: %s\n", joydev.device, strerror(errno));
 174             joydev.dev_axes_map = NULL;
 175         }
 176         else
 177             if ((joydev.dev_axes_map = HeapAlloc(GetProcessHeap(), 0, joydev.axis_count * sizeof(int))))
 178             {
 179                 INT j;
 180
 181                 /* Remap to DI numbers */
 182                 for (j = 0; j < joydev.axis_count; j++)
 183                     if (axes_map[j] < 8)
 184                         /* Axis match 1-to-1 */
 185                         joydev.dev_axes_map[j] = j;
 186                     else if (axes_map[j] == 16 ||
 187                              axes_map[j] == 17)
 188                         /* POV axis */
 189                         joydev.dev_axes_map[j] = 8;
 190                     else
 191                         joydev.dev_axes_map[j] = -1;
 192             }
 193
 194         close(fd);
 195
 196         if (!joystick_devices_count)
 197             new_joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 198         else
 199             new_joydevs = HeapReAlloc(GetProcessHeap(), 0, joystick_devices,
 200                                       (joystick_devices_count + 1) * sizeof(struct JoyDev));
 201         if (!new_joydevs) continue;
 202
 203         TRACE("Found a joystick on %s: %s\n  with %d axes and %d buttons\n", joydev.device,
 204               joydev.name, joydev.axis_count, joydev.button_count);
 205
 206         joystick_devices = new_joydevs;
 207         joystick_devices[joystick_devices_count++] = joydev;
 208     }
 209
 210     return joystick_devices_count;
 211 }
 212
 213 static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 214 {
 215     int fd = -1;
 216
 217     if (id >= find_joystick_devices()) return FALSE;
 218
 219     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 220         WARN("force feedback not supported\n");
 221         return FALSE;
 222     }
 223
 224     if ((dwDevType == 0) ||
 225         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 226         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 227         /* check whether we have a joystick */
 228         if ((fd = open(joystick_devices[id].device, O_RDONLY)) < 0)
 229         {
 230             WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].name, strerror(errno));
 231             return FALSE;
 232         }
 233
 234         /* Return joystick */
 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
 244         strcpy(lpddi->tszInstanceName, joystick_devices[id].name);
 245         strcpy(lpddi->tszProductName,  joystick_devices[id].name);
 246
 247         lpddi->guidFFDriver = GUID_NULL;
 248         close(fd);
 249         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, lpddi->tszProductName);
 250         return TRUE;
 251     }
 252
 253     return FALSE;
 254 }
 255
 256 static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 257 {
 258     int fd = -1;
 259
 260     if (id >= find_joystick_devices()) return FALSE;
 261
 262     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 263         WARN("force feedback not supported\n");
 264         return FALSE;
 265     }
 266
 267     if ((dwDevType == 0) ||
 268         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 269         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 270         /* check whether we have a joystick */
 271         if ((fd = open(joystick_devices[id].device, O_RDONLY)) < 0)
 272         {
 273             WARN("open(%s,O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
 274             return FALSE;
 275         }
 276
 277         /* Return joystick */
 278         lpddi->guidInstance = DInput_Wine_Joystick_GUID;
 279         lpddi->guidInstance.Data3 = id;
 280         lpddi->guidProduct = DInput_Wine_Joystick_GUID;
 281         /* we only support traditional joysticks for now */
 282         if (version >= 0x0800)
 283             lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 284         else
 285             lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 286
 287         MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 288         MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszProductName, MAX_PATH);
 289         lpddi->guidFFDriver = GUID_NULL;
 290         close(fd);
 291         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
 292         return TRUE;
 293     }
 294
 295     return FALSE;
 296 }
 297
 298 static HRESULT alloc_device(REFGUID rguid, IDirectInputImpl *dinput,
 299                             JoystickImpl **pdev, unsigned short index)
 300 {
 301     DWORD i;
 302     JoystickImpl* newDevice;
 303     HRESULT hr;
 304     LPDIDATAFORMAT df = NULL;
 305     int idx = 0;
 306
 307     TRACE("%s %p %p %hu\n", debugstr_guid(rguid), dinput, pdev, index);
 308
 309     newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
 310     if (newDevice == 0) {
 311         WARN("out of memory\n");
 312         *pdev = 0;
 313         return DIERR_OUTOFMEMORY;
 314     }
 315
 316     newDevice->joydev = &joystick_devices[index];
 317     newDevice->joyfd = -1;
 318     newDevice->generic.guidInstance = DInput_Wine_Joystick_GUID;
 319     newDevice->generic.guidInstance.Data3 = index;
 320     newDevice->generic.guidProduct = DInput_Wine_Joystick_GUID;
 321     newDevice->generic.joy_polldev = joy_polldev;
 322     newDevice->generic.name        = newDevice->joydev->name;
 323     newDevice->generic.device_axis_count = newDevice->joydev->axis_count;
 324     newDevice->generic.devcaps.dwButtons = newDevice->joydev->button_count;
 325
 326     if (newDevice->generic.devcaps.dwButtons > 128)
 327     {
 328         WARN("Can't support %d buttons. Clamping down to 128\n", newDevice->generic.devcaps.dwButtons);
 329         newDevice->generic.devcaps.dwButtons = 128;
 330     }
 331
 332     newDevice->generic.base.IDirectInputDevice8A_iface.lpVtbl = &JoystickAvt;
 333     newDevice->generic.base.IDirectInputDevice8W_iface.lpVtbl = &JoystickWvt;
 334     newDevice->generic.base.ref = 1;
 335     newDevice->generic.base.dinput = dinput;
 336     newDevice->generic.base.guid = *rguid;
 337     InitializeCriticalSection(&newDevice->generic.base.crit);
 338     newDevice->generic.base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->generic.base.crit");
 339
 340     /* setup_dinput_options may change these */
 341     newDevice->generic.deadzone = 0;
 342
 343     /* do any user specified configuration */
 344     hr = setup_dinput_options(&newDevice->generic, newDevice->joydev->dev_axes_map);
 345     if (hr != DI_OK)
 346         goto FAILED1;
 347
 348     /* Create copy of default data format */
 349     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto FAILED;
 350     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 351
 352     df->dwNumObjs = newDevice->generic.devcaps.dwAxes + newDevice->generic.devcaps.dwPOVs + newDevice->generic.devcaps.dwButtons;
 353     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto FAILED;
 354
 355     for (i = 0; i < newDevice->generic.device_axis_count; i++)
 356     {
 357         int wine_obj = newDevice->generic.axis_map[i];
 358
 359         if (wine_obj < 0) continue;
 360
 361         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[wine_obj], df->dwObjSize);
 362         if (wine_obj < 8)
 363             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj) | DIDFT_ABSAXIS;
 364         else
 365         {
 366             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj - 8) | DIDFT_POV;
 367             i++; /* POV takes 2 axes */
 368         }
 369     }
 370     for (i = 0; i < newDevice->generic.devcaps.dwButtons; i++)
 371     {
 372         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + 12], df->dwObjSize);
 373         df->rgodf[idx  ].pguid = &GUID_Button;
 374         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_PSHBUTTON;
 375     }
 376     newDevice->generic.base.data_format.wine_df = df;
 377
 378     /* initialize default properties */
 379     for (i = 0; i < c_dfDIJoystick2.dwNumObjs; i++) {
 380         newDevice->generic.props[i].lDevMin = -32767;
 381         newDevice->generic.props[i].lDevMax = +32767;
 382         newDevice->generic.props[i].lMin = 0;
 383         newDevice->generic.props[i].lMax = 0xffff;
 384         newDevice->generic.props[i].lDeadZone = newDevice->generic.deadzone; /* % * 1000 */
 385         newDevice->generic.props[i].lSaturation = 0;
 386     }
 387
 388     IDirectInput_AddRef(&newDevice->generic.base.dinput->IDirectInput7A_iface);
 389
 390     EnterCriticalSection(&dinput->crit);
 391     list_add_tail(&dinput->devices_list, &newDevice->generic.base.entry);
 392     LeaveCriticalSection(&dinput->crit);
 393
 394     newDevice->generic.devcaps.dwSize = sizeof(newDevice->generic.devcaps);
 395     newDevice->generic.devcaps.dwFlags = DIDC_ATTACHED;
 396     if (newDevice->generic.base.dinput->dwVersion >= 0x0800)
 397         newDevice->generic.devcaps.dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 398     else
 399         newDevice->generic.devcaps.dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 400     newDevice->generic.devcaps.dwFFSamplePeriod = 0;
 401     newDevice->generic.devcaps.dwFFMinTimeResolution = 0;
 402     newDevice->generic.devcaps.dwFirmwareRevision = 0;
 403     newDevice->generic.devcaps.dwHardwareRevision = 0;
 404     newDevice->generic.devcaps.dwFFDriverVersion = 0;
 405
 406     if (TRACE_ON(dinput)) {
 407         _dump_DIDATAFORMAT(newDevice->generic.base.data_format.wine_df);
 408        for (i = 0; i < (newDevice->generic.device_axis_count); i++)
 409            TRACE("axis_map[%d] = %d\n", i, newDevice->generic.axis_map[i]);
 410         _dump_DIDEVCAPS(&newDevice->generic.devcaps);
 411     }
 412
 413     *pdev = newDevice;
 414
 415     return DI_OK;
 416
 417 FAILED:
 418     hr = DIERR_OUTOFMEMORY;
 419 FAILED1:
 420     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 421     HeapFree(GetProcessHeap(), 0, df);
 422     release_DataFormat(&newDevice->generic.base.data_format);
 423     HeapFree(GetProcessHeap(),0,newDevice->generic.axis_map);
 424     HeapFree(GetProcessHeap(),0,newDevice);
 425     *pdev = 0;
 426
 427     return hr;
 428 }
 429
 430 /******************************************************************************
 431   *     get_joystick_index : Get the joystick index from a given GUID
 432   */
 433 static unsigned short get_joystick_index(REFGUID guid)
 434 {
 435     GUID wine_joystick = DInput_Wine_Joystick_GUID;
 436     GUID dev_guid = *guid;
 437
 438     wine_joystick.Data3 = 0;
 439     dev_guid.Data3 = 0;
 440
 441     /* for the standard joystick GUID use index 0 */
 442     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
 443
 444     /* for the wine joystick GUIDs use the index stored in Data3 */
 445     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3;
 446
 447     return MAX_JOYSTICKS;
 448 }
 449
 450 static HRESULT joydev_create_device(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPVOID *pdev, int unicode)
 451 {
 452     unsigned short index;
 453
 454     TRACE("%p %s %s %p %i\n", dinput, debugstr_guid(rguid), debugstr_guid(riid), pdev, unicode);
 455     find_joystick_devices();
 456     *pdev = NULL;
 457
 458     if ((index = get_joystick_index(rguid)) < MAX_JOYSTICKS &&
 459         joystick_devices_count && index < joystick_devices_count)
 460     {
 461         JoystickImpl *This;
 462         HRESULT hr;
 463
 464         if (riid == NULL)
 465             ;/* nothing */
 466         else if (IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
 467                  IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
 468                  IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
 469                  IsEqualGUID(&IID_IDirectInputDevice8A, riid))
 470         {
 471             unicode = 0;
 472         }
 473         else if (IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
 474                  IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
 475                  IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
 476                  IsEqualGUID(&IID_IDirectInputDevice8W, riid))
 477         {
 478             unicode = 1;
 479         }
 480         else
 481         {
 482             WARN("no interface\n");
 483             return DIERR_NOINTERFACE;
 484         }
 485
 486         hr = alloc_device(rguid, dinput, &This, index);
 487         if (!This) return hr;
 488
 489         if (unicode)
 490             *pdev = &This->generic.base.IDirectInputDevice8W_iface;
 491         else
 492             *pdev = &This->generic.base.IDirectInputDevice8A_iface;
 493
 494         return hr;
 495     }
 496
 497     return DIERR_DEVICENOTREG;
 498 }
 499
 500 #undef MAX_JOYSTICKS
 501
 502 const struct dinput_device joystick_linux_device = {
 503   "Wine Linux joystick driver",
 504   joydev_enum_deviceA,
 505   joydev_enum_deviceW,
 506   joydev_create_device
 507 };
 508
 509 /******************************************************************************
 510   *     Acquire : gets exclusive control of the joystick
 511   */
 512 static HRESULT WINAPI JoystickLinuxWImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
 513 {
 514     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 515     HRESULT res;
 516
 517     TRACE("(%p)\n",This);
 518
 519     res = IDirectInputDevice2WImpl_Acquire(iface);
 520     if (res != DI_OK)
 521         return res;
 522
 523     /* open the joystick device */
 524     if (This->joyfd==-1) {
 525         TRACE("opening joystick device %s\n", This->joydev->device);
 526
 527         This->joyfd = open(This->joydev->device, O_RDONLY);
 528         if (This->joyfd==-1) {
 529             ERR("open(%s) failed: %s\n", This->joydev->device, strerror(errno));
 530             IDirectInputDevice2WImpl_Unacquire(iface);
 531             return DIERR_NOTFOUND;
 532         }
 533     }
 534
 535     return DI_OK;
 536 }
 537
 538 static HRESULT WINAPI JoystickLinuxAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 539 {
 540     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 541     return JoystickLinuxWImpl_Acquire(IDirectInputDevice8W_from_impl(This));
 542 }
 543
 544 /******************************************************************************
 545   *     Unacquire : frees the joystick
 546   */
 547 static HRESULT WINAPI JoystickLinuxWImpl_Unacquire(LPDIRECTINPUTDEVICE8W iface)
 548 {
 549     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 550     HRESULT res;
 551
 552     TRACE("(%p)\n",This);
 553
 554     res = IDirectInputDevice2WImpl_Unacquire(iface);
 555
 556     if (res != DI_OK)
 557         return res;
 558
 559     if (This->joyfd!=-1) {
 560         TRACE("closing joystick device\n");
 561         close(This->joyfd);
 562         This->joyfd = -1;
 563         return DI_OK;
 564     }
 565
 566     return DI_NOEFFECT;
 567 }
 568
 569 static HRESULT WINAPI JoystickLinuxAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 570 {
 571     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 572     return JoystickLinuxWImpl_Unacquire(IDirectInputDevice8W_from_impl(This));
 573 }
 574
 575 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface)
 576 {
 577     struct pollfd plfd;
 578     struct js_event jse;
 579     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 580
 581     TRACE("(%p)\n", This);
 582
 583     if (This->joyfd==-1) {
 584         WARN("no device\n");
 585         return;
 586     }
 587     while (1)
 588     {
 589         LONG value;
 590         int inst_id = -1;
 591
 592         plfd.fd = This->joyfd;
 593         plfd.events = POLLIN;
 594         if (poll(&plfd,1,0) != 1)
 595             return;
 596         /* we have one event, so we can read */
 597         if (sizeof(jse)!=read(This->joyfd,&jse,sizeof(jse))) {
 598             return;
 599         }
 600         TRACE("js_event: type 0x%x, number %d, value %d\n",
 601               jse.type,jse.number,jse.value);
 602         if (jse.type & JS_EVENT_BUTTON)
 603         {
 604             if (jse.number >= This->generic.devcaps.dwButtons) return;
 605
 606             inst_id = DIDFT_MAKEINSTANCE(jse.number) | DIDFT_PSHBUTTON;
 607             This->generic.js.rgbButtons[jse.number] = value = jse.value ? 0x80 : 0x00;
 608         }
 609         else if (jse.type & JS_EVENT_AXIS)
 610         {
 611             int number = This->generic.axis_map[jse.number];    /* wine format object index */
 612
 613             if (number < 0) return;
 614             inst_id = number < 8 ?  DIDFT_MAKEINSTANCE(number) | DIDFT_ABSAXIS :
 615                                     DIDFT_MAKEINSTANCE(number - 8) | DIDFT_POV;
 616             value = joystick_map_axis(&This->generic.props[id_to_object(This->generic.base.data_format.wine_df, inst_id)], jse.value);
 617
 618             TRACE("changing axis %d => %d\n", jse.number, number);
 619             switch (number)
 620             {
 621                 case 0: This->generic.js.lX  = value; break;
 622                 case 1: This->generic.js.lY  = value; break;
 623                 case 2: This->generic.js.lZ  = value; break;
 624                 case 3: This->generic.js.lRx = value; break;
 625                 case 4: This->generic.js.lRy = value; break;
 626                 case 5: This->generic.js.lRz = value; break;
 627                 case 6: This->generic.js.rglSlider[0] = value; break;
 628                 case 7: This->generic.js.rglSlider[1] = value; break;
 629                 case 8: case 9: case 10: case 11:
 630                 {
 631                     int idx = number - 8;
 632
 633                     if (jse.number % 2)
 634                         This->povs[idx].y = jse.value;
 635                     else
 636                         This->povs[idx].x = jse.value;
 637
 638                     This->generic.js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 639                     break;
 640                 }
 641                 default:
 642                     WARN("axis %d not supported\n", number);
 643             }
 644         }
 645         if (inst_id >= 0)
 646             queue_event(iface, inst_id,
 647                         value, jse.time, This->generic.base.dinput->evsequence++);
 648     }
 649 }
 650
 651 static const IDirectInputDevice8AVtbl JoystickAvt =
 652 {
 653         IDirectInputDevice2AImpl_QueryInterface,
 654         IDirectInputDevice2AImpl_AddRef,
 655         IDirectInputDevice2AImpl_Release,
 656         JoystickAGenericImpl_GetCapabilities,
 657         IDirectInputDevice2AImpl_EnumObjects,
 658         JoystickAGenericImpl_GetProperty,
 659         JoystickAGenericImpl_SetProperty,
 660         JoystickLinuxAImpl_Acquire,
 661         JoystickLinuxAImpl_Unacquire,
 662         JoystickAGenericImpl_GetDeviceState,
 663         IDirectInputDevice2AImpl_GetDeviceData,
 664         IDirectInputDevice2AImpl_SetDataFormat,
 665         IDirectInputDevice2AImpl_SetEventNotification,
 666         IDirectInputDevice2AImpl_SetCooperativeLevel,
 667         JoystickAGenericImpl_GetObjectInfo,
 668         JoystickAGenericImpl_GetDeviceInfo,
 669         IDirectInputDevice2AImpl_RunControlPanel,
 670         IDirectInputDevice2AImpl_Initialize,
 671         IDirectInputDevice2AImpl_CreateEffect,
 672         IDirectInputDevice2AImpl_EnumEffects,
 673         IDirectInputDevice2AImpl_GetEffectInfo,
 674         IDirectInputDevice2AImpl_GetForceFeedbackState,
 675         IDirectInputDevice2AImpl_SendForceFeedbackCommand,
 676         IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
 677         IDirectInputDevice2AImpl_Escape,
 678         JoystickAGenericImpl_Poll,
 679         IDirectInputDevice2AImpl_SendDeviceData,
 680         IDirectInputDevice7AImpl_EnumEffectsInFile,
 681         IDirectInputDevice7AImpl_WriteEffectToFile,
 682         JoystickAGenericImpl_BuildActionMap,
 683         JoystickAGenericImpl_SetActionMap,
 684         IDirectInputDevice8AImpl_GetImageInfo
 685 };
 686
 687 static const IDirectInputDevice8WVtbl JoystickWvt =
 688 {
 689     IDirectInputDevice2WImpl_QueryInterface,
 690     IDirectInputDevice2WImpl_AddRef,
 691     IDirectInputDevice2WImpl_Release,
 692     JoystickWGenericImpl_GetCapabilities,
 693     IDirectInputDevice2WImpl_EnumObjects,
 694     JoystickWGenericImpl_GetProperty,
 695     JoystickWGenericImpl_SetProperty,
 696     JoystickLinuxWImpl_Acquire,
 697     JoystickLinuxWImpl_Unacquire,
 698     JoystickWGenericImpl_GetDeviceState,
 699     IDirectInputDevice2WImpl_GetDeviceData,
 700     IDirectInputDevice2WImpl_SetDataFormat,
 701     IDirectInputDevice2WImpl_SetEventNotification,
 702     IDirectInputDevice2WImpl_SetCooperativeLevel,
 703     JoystickWGenericImpl_GetObjectInfo,
 704     JoystickWGenericImpl_GetDeviceInfo,
 705     IDirectInputDevice2WImpl_RunControlPanel,
 706     IDirectInputDevice2WImpl_Initialize,
 707     IDirectInputDevice2WImpl_CreateEffect,
 708     IDirectInputDevice2WImpl_EnumEffects,
 709     IDirectInputDevice2WImpl_GetEffectInfo,
 710     IDirectInputDevice2WImpl_GetForceFeedbackState,
 711     IDirectInputDevice2WImpl_SendForceFeedbackCommand,
 712     IDirectInputDevice2WImpl_EnumCreatedEffectObjects,
 713     IDirectInputDevice2WImpl_Escape,
 714     JoystickWGenericImpl_Poll,
 715     IDirectInputDevice2WImpl_SendDeviceData,
 716     IDirectInputDevice7WImpl_EnumEffectsInFile,
 717     IDirectInputDevice7WImpl_WriteEffectToFile,
 718     JoystickWGenericImpl_BuildActionMap,
 719     JoystickWGenericImpl_SetActionMap,
 720     IDirectInputDevice8WImpl_GetImageInfo
 721 };
 722
 723 #else  /* HAVE_LINUX_22_JOYSTICK_API */
 724
 725 const struct dinput_device joystick_linux_device = {
 726   "Wine Linux joystick driver",
 727   NULL,
 728   NULL,
 729   NULL
 730 };
 731
 732 #endif  /* HAVE_LINUX_22_JOYSTICK_API */