dll/directx/wine/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 "dinput_private.h"
  29
  30 #ifdef HAVE_UNISTD_H
  31 # include <unistd.h>
  32 #endif
  33 #ifdef HAVE_SYS_TIME_H
  34 # include <sys/time.h>
  35 #endif
  36 #ifdef HAVE_SYS_IOCTL_H
  37 # include <sys/ioctl.h>
  38 #endif
  39 #ifdef HAVE_LINUX_IOCTL_H
  40 # include <linux/ioctl.h>
  41 #endif
  42 #ifdef HAVE_LINUX_JOYSTICK_H
  43 # include <linux/joystick.h>
  44 # undef SW_MAX
  45 #endif
  46 #ifdef HAVE_SYS_POLL_H
  47 # include <sys/poll.h>
  48 #endif
  49
  50 #ifdef HAVE_LINUX_22_JOYSTICK_API
  51
  52 #define JOYDEV_NEW "/dev/input/js"
  53 #define JOYDEV_OLD "/dev/js"
  54 #define JOYDEVDRIVER " (js)"
  55
  56 struct JoyDev
  57 {
  58     char device[MAX_PATH];
  59     char name[MAX_PATH];
  60     GUID guid_product;
  61
  62     BYTE axis_count;
  63     BYTE button_count;
  64     int  *dev_axes_map;
  65
  66     WORD vendor_id, product_id, bus_type;
  67 };
  68
  69 typedef struct JoystickImpl JoystickImpl;
  70 static const IDirectInputDevice8AVtbl JoystickAvt;
  71 static const IDirectInputDevice8WVtbl JoystickWvt;
  72 struct JoystickImpl
  73 {
  74         struct JoystickGenericImpl generic;
  75
  76         struct JoyDev                  *joydev;
  77
  78         /* joystick private */
  79         int                             joyfd;
  80         POINTL                          povs[4];
  81 };
  82
  83 static inline JoystickImpl *impl_from_IDirectInputDevice8A(IDirectInputDevice8A *iface)
  84 {
  85     return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8A_iface),
  86            JoystickGenericImpl, base), JoystickImpl, generic);
  87 }
  88 static inline JoystickImpl *impl_from_IDirectInputDevice8W(IDirectInputDevice8W *iface)
  89 {
  90     return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8W_iface),
  91            JoystickGenericImpl, base), JoystickImpl, generic);
  92 }
  93
  94 static inline IDirectInputDevice8W *IDirectInputDevice8W_from_impl(JoystickImpl *This)
  95 {
  96     return &This->generic.base.IDirectInputDevice8W_iface;
  97 }
  98
  99 static const GUID DInput_Wine_Joystick_GUID = { /* 9e573ed9-7734-11d2-8d4a-23903fb6bdf7 */
 100   0x9e573ed9,
 101   0x7734,
 102   0x11d2,
 103   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 104 };
 105
 106 /*
 107  * Construct the GUID in the same way of Windows doing this.
 108  * Data1 is concatenation of productid and vendorid.
 109  * Data2 and Data3 are NULL.
 110  * Data4 seems to be a constant.
 111  */
 112 static const GUID DInput_Wine_Joystick_Constant_Part_GUID = {
 113   0x000000000,
 114   0x0000,
 115   0x0000,
 116   {0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44}
 117 };
 118
 119 #define MAX_JOYSTICKS 64
 120 static INT joystick_devices_count = -1;
 121 static struct JoyDev *joystick_devices;
 122
 123 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface);
 124
 125 #define SYS_PATH_FORMAT "/sys/class/input/js%d/device/id/%s"
 126 static BOOL read_sys_id_variable(int index, const char *property, WORD *value)
 127 {
 128     char sys_path[sizeof(SYS_PATH_FORMAT) + 16], id_str[5];
 129     int sys_fd;
 130     BOOL ret = FALSE;
 131
 132     sprintf(sys_path, SYS_PATH_FORMAT, index, property);
 133     if ((sys_fd = open(sys_path, O_RDONLY)) != -1)
 134     {
 135         if (read(sys_fd, id_str, 4) == 4)
 136         {
 137             id_str[4] = '\0';
 138             *value = strtol(id_str, NULL, 16);
 139             ret = TRUE;
 140         }
 141
 142         close(sys_fd);
 143     }
 144     return ret;
 145 }
 146 #undef SYS_PATH_FORMAT
 147
 148 static INT find_joystick_devices(void)
 149 {
 150     INT i;
 151
 152     if (joystick_devices_count != -1) return joystick_devices_count;
 153
 154     joystick_devices_count = 0;
 155     for (i = 0; i < MAX_JOYSTICKS; i++)
 156     {
 157         int fd;
 158         struct JoyDev joydev, *new_joydevs;
 159         BYTE axes_map[ABS_MAX + 1];
 160
 161         snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_NEW, i);
 162         if ((fd = open(joydev.device, O_RDONLY)) == -1)
 163         {
 164             snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_OLD, i);
 165             if ((fd = open(joydev.device, O_RDONLY)) == -1) continue;
 166         }
 167
 168         strcpy(joydev.name, "Wine Joystick");
 169 #if defined(JSIOCGNAME)
 170         if (ioctl(fd, JSIOCGNAME(sizeof(joydev.name) - sizeof(JOYDEVDRIVER)), joydev.name) < 0)
 171             WARN("ioctl(%s,JSIOCGNAME) failed: %s\n", joydev.device, strerror(errno));
 172 #endif
 173
 174         /* Append driver name */
 175         strcat(joydev.name, JOYDEVDRIVER);
 176
 177         if (device_disabled_registry(joydev.name)) {
 178             close(fd);
 179             continue;
 180         }
 181
 182 #ifdef JSIOCGAXES
 183         if (ioctl(fd, JSIOCGAXES, &joydev.axis_count) < 0)
 184         {
 185             WARN("ioctl(%s,JSIOCGAXES) failed: %s, defaulting to 2\n", joydev.device, strerror(errno));
 186             joydev.axis_count = 2;
 187         }
 188 #else
 189         WARN("reading number of joystick axes unsupported in this platform, defaulting to 2\n");
 190         joydev.axis_count = 2;
 191 #endif
 192 #ifdef JSIOCGBUTTONS
 193         if (ioctl(fd, JSIOCGBUTTONS, &joydev.button_count) < 0)
 194         {
 195             WARN("ioctl(%s,JSIOCGBUTTONS) failed: %s, defaulting to 2\n", joydev.device, strerror(errno));
 196             joydev.button_count = 2;
 197         }
 198 #else
 199         WARN("reading number of joystick buttons unsupported in this platform, defaulting to 2\n");
 200         joydev.button_count = 2;
 201 #endif
 202
 203         if (ioctl(fd, JSIOCGAXMAP, axes_map) < 0)
 204         {
 205             WARN("ioctl(%s,JSIOCGAXMAP) failed: %s\n", joydev.device, strerror(errno));
 206             joydev.dev_axes_map = NULL;
 207         }
 208         else
 209             if ((joydev.dev_axes_map = HeapAlloc(GetProcessHeap(), 0, joydev.axis_count * sizeof(int))))
 210             {
 211                 INT j, found_axes = 0;
 212
 213                 /* Remap to DI numbers */
 214                 for (j = 0; j < joydev.axis_count; j++)
 215                 {
 216                     if (axes_map[j] < 8)
 217                     {
 218                         /* Axis match 1-to-1 */
 219                         joydev.dev_axes_map[j] = j;
 220                         found_axes++;
 221                     }
 222                     else if (axes_map[j] == 16 ||
 223                              axes_map[j] == 17)
 224                     {
 225                         /* POV axis */
 226                         joydev.dev_axes_map[j] = 8;
 227                         found_axes++;
 228                     }
 229                     else
 230                         joydev.dev_axes_map[j] = -1;
 231                 }
 232
 233                 /* If no axes were configured but there are axes assume a 1-to-1 (wii controller) */
 234                 if (joydev.axis_count && !found_axes)
 235                 {
 236                     int axes_limit = min(joydev.axis_count, 8); /* generic driver limit */
 237
 238                     ERR("Incoherent joystick data, advertised %d axes, detected 0. Assuming 1-to-1.\n",
 239                         joydev.axis_count);
 240                     for (j = 0; j < axes_limit; j++)
 241                         joydev.dev_axes_map[j] = j;
 242
 243                     joydev.axis_count = axes_limit;
 244                 }
 245             }
 246
 247         /* Find vendor_id and product_id in sysfs */
 248         joydev.vendor_id  = 0;
 249         joydev.product_id = 0;
 250
 251         read_sys_id_variable(i, "vendor", &joydev.vendor_id);
 252         read_sys_id_variable(i, "product", &joydev.product_id);
 253         read_sys_id_variable(i, "bustype", &joydev.bus_type);
 254
 255         if (joydev.vendor_id == 0 || joydev.product_id == 0)
 256         {
 257             joydev.guid_product = DInput_Wine_Joystick_GUID;
 258         }
 259         else
 260         {
 261             /* Concatenate product_id with vendor_id to mimic Windows behaviour */
 262             joydev.guid_product       = DInput_Wine_Joystick_Constant_Part_GUID;
 263             joydev.guid_product.Data1 = MAKELONG(joydev.vendor_id, joydev.product_id);
 264         }
 265
 266         close(fd);
 267
 268         if (!joystick_devices_count)
 269             new_joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 270         else
 271             new_joydevs = HeapReAlloc(GetProcessHeap(), 0, joystick_devices,
 272                                       (joystick_devices_count + 1) * sizeof(struct JoyDev));
 273         if (!new_joydevs) continue;
 274
 275         TRACE("Found a joystick on %s: %s\n  with %d axes and %d buttons\n", joydev.device,
 276               joydev.name, joydev.axis_count, joydev.button_count);
 277
 278         joystick_devices = new_joydevs;
 279         joystick_devices[joystick_devices_count++] = joydev;
 280     }
 281
 282     return joystick_devices_count;
 283 }
 284
 285 static void fill_joystick_dideviceinstanceW(LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 286 {
 287     DWORD dwSize = lpddi->dwSize;
 288
 289     TRACE("%d %p\n", dwSize, lpddi);
 290     memset(lpddi, 0, dwSize);
 291
 292     /* Return joystick */
 293     lpddi->dwSize = dwSize;
 294     lpddi->guidInstance = DInput_Wine_Joystick_GUID;
 295     lpddi->guidInstance.Data3 = id;
 296     lpddi->guidProduct = joystick_devices[id].guid_product;
 297     /* we only support traditional joysticks for now */
 298     if (version >= 0x0800)
 299         lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 300     else
 301         lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 302
 303     /* Assume the joystick as HID if it is attached to USB bus and has a valid VID/PID */
 304     if (joystick_devices[id].bus_type == BUS_USB &&
 305         joystick_devices[id].vendor_id && joystick_devices[id].product_id)
 306     {
 307         lpddi->dwDevType |= DIDEVTYPE_HID;
 308         lpddi->wUsagePage = 0x01; /* Desktop */
 309         if (lpddi->dwDevType == DI8DEVTYPE_JOYSTICK || lpddi->dwDevType == DIDEVTYPE_JOYSTICK)
 310             lpddi->wUsage = 0x04; /* Joystick */
 311         else
 312             lpddi->wUsage = 0x05; /* Game Pad */
 313     }
 314
 315     MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 316     MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszProductName, MAX_PATH);
 317     lpddi->guidFFDriver = GUID_NULL;
 318 }
 319
 320 static void fill_joystick_dideviceinstanceA(LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 321 {
 322     DIDEVICEINSTANCEW lpddiW;
 323     DWORD dwSize = lpddi->dwSize;
 324
 325     lpddiW.dwSize = sizeof(lpddiW);
 326     fill_joystick_dideviceinstanceW(&lpddiW, version, id);
 327
 328     TRACE("%d %p\n", dwSize, lpddi);
 329     memset(lpddi, 0, dwSize);
 330
 331     /* Convert W->A */
 332     lpddi->dwSize = dwSize;
 333     lpddi->guidInstance = lpddiW.guidInstance;
 334     lpddi->guidProduct = lpddiW.guidProduct;
 335     lpddi->dwDevType = lpddiW.dwDevType;
 336     strcpy(lpddi->tszInstanceName, joystick_devices[id].name);
 337     strcpy(lpddi->tszProductName,  joystick_devices[id].name);
 338     lpddi->guidFFDriver = lpddiW.guidFFDriver;
 339     lpddi->wUsagePage = lpddiW.wUsagePage;
 340     lpddi->wUsage = lpddiW.wUsage;
 341 }
 342
 343 static HRESULT joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 344 {
 345     int fd = -1;
 346
 347     if (id >= find_joystick_devices()) return E_FAIL;
 348
 349     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 350         WARN("force feedback not supported\n");
 351         return S_FALSE;
 352     }
 353
 354     if ((dwDevType == 0) ||
 355         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 356         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 357         /* check whether we have a joystick */
 358         if ((fd = open(joystick_devices[id].device, O_RDONLY)) == -1)
 359         {
 360             WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
 361             return S_FALSE;
 362         }
 363         fill_joystick_dideviceinstanceA( lpddi, version, id );
 364         close(fd);
 365         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
 366         return S_OK;
 367     }
 368
 369     return S_FALSE;
 370 }
 371
 372 static HRESULT joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 373 {
 374     int fd = -1;
 375
 376     if (id >= find_joystick_devices()) return E_FAIL;
 377
 378     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 379         WARN("force feedback not supported\n");
 380         return S_FALSE;
 381     }
 382
 383     if ((dwDevType == 0) ||
 384         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 385         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 386         /* check whether we have a joystick */
 387         if ((fd = open(joystick_devices[id].device, O_RDONLY)) == -1)
 388         {
 389             WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
 390             return S_FALSE;
 391         }
 392         fill_joystick_dideviceinstanceW( lpddi, version, id );
 393         close(fd);
 394         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
 395         return S_OK;
 396     }
 397
 398     return S_FALSE;
 399 }
 400
 401 static HRESULT alloc_device(REFGUID rguid, IDirectInputImpl *dinput,
 402                             JoystickImpl **pdev, unsigned short index)
 403 {
 404     DWORD i;
 405     JoystickImpl* newDevice;
 406     HRESULT hr;
 407     LPDIDATAFORMAT df = NULL;
 408     int idx = 0;
 409     DIDEVICEINSTANCEW ddi;
 410
 411     TRACE("%s %p %p %hu\n", debugstr_guid(rguid), dinput, pdev, index);
 412
 413     newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
 414     if (newDevice == 0) {
 415         WARN("out of memory\n");
 416         *pdev = 0;
 417         return DIERR_OUTOFMEMORY;
 418     }
 419
 420     newDevice->joydev = &joystick_devices[index];
 421     newDevice->joyfd = -1;
 422     newDevice->generic.guidInstance = DInput_Wine_Joystick_GUID;
 423     newDevice->generic.guidInstance.Data3 = index;
 424     newDevice->generic.guidProduct = DInput_Wine_Joystick_GUID;
 425     newDevice->generic.joy_polldev = joy_polldev;
 426     newDevice->generic.name        = newDevice->joydev->name;
 427     newDevice->generic.device_axis_count = newDevice->joydev->axis_count;
 428     newDevice->generic.devcaps.dwButtons = newDevice->joydev->button_count;
 429
 430     if (newDevice->generic.devcaps.dwButtons > 128)
 431     {
 432         WARN("Can't support %d buttons. Clamping down to 128\n", newDevice->generic.devcaps.dwButtons);
 433         newDevice->generic.devcaps.dwButtons = 128;
 434     }
 435
 436     newDevice->generic.base.IDirectInputDevice8A_iface.lpVtbl = &JoystickAvt;
 437     newDevice->generic.base.IDirectInputDevice8W_iface.lpVtbl = &JoystickWvt;
 438     newDevice->generic.base.ref = 1;
 439     newDevice->generic.base.dinput = dinput;
 440     newDevice->generic.base.guid = *rguid;
 441     InitializeCriticalSection(&newDevice->generic.base.crit);
 442     newDevice->generic.base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->generic.base.crit");
 443
 444     /* setup_dinput_options may change these */
 445     newDevice->generic.deadzone = 0;
 446
 447     /* do any user specified configuration */
 448     hr = setup_dinput_options(&newDevice->generic, newDevice->joydev->dev_axes_map);
 449     if (hr != DI_OK)
 450         goto FAILED1;
 451
 452     /* Create copy of default data format */
 453     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto FAILED;
 454     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 455
 456     df->dwNumObjs = newDevice->generic.devcaps.dwAxes + newDevice->generic.devcaps.dwPOVs + newDevice->generic.devcaps.dwButtons;
 457     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto FAILED;
 458
 459     for (i = 0; i < newDevice->generic.device_axis_count; i++)
 460     {
 461         int wine_obj = newDevice->generic.axis_map[i];
 462
 463         if (wine_obj < 0) continue;
 464
 465         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[wine_obj], df->dwObjSize);
 466         if (wine_obj < 8)
 467             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj) | DIDFT_ABSAXIS;
 468         else
 469         {
 470             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj - 8) | DIDFT_POV;
 471             i++; /* POV takes 2 axes */
 472         }
 473     }
 474     for (i = 0; i < newDevice->generic.devcaps.dwButtons; i++)
 475     {
 476         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + 12], df->dwObjSize);
 477         df->rgodf[idx  ].pguid = &GUID_Button;
 478         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_PSHBUTTON;
 479     }
 480     newDevice->generic.base.data_format.wine_df = df;
 481
 482     /* initialize default properties */
 483     for (i = 0; i < c_dfDIJoystick2.dwNumObjs; i++) {
 484         newDevice->generic.props[i].lDevMin = -32767;
 485         newDevice->generic.props[i].lDevMax = +32767;
 486         newDevice->generic.props[i].lMin = 0;
 487         newDevice->generic.props[i].lMax = 0xffff;
 488         newDevice->generic.props[i].lDeadZone = newDevice->generic.deadzone; /* % * 1000 */
 489         newDevice->generic.props[i].lSaturation = 0;
 490     }
 491
 492     IDirectInput_AddRef(&newDevice->generic.base.dinput->IDirectInput7A_iface);
 493
 494     EnterCriticalSection(&dinput->crit);
 495     list_add_tail(&dinput->devices_list, &newDevice->generic.base.entry);
 496     LeaveCriticalSection(&dinput->crit);
 497
 498     newDevice->generic.devcaps.dwSize = sizeof(newDevice->generic.devcaps);
 499     newDevice->generic.devcaps.dwFlags = DIDC_ATTACHED;
 500
 501     ddi.dwSize = sizeof(ddi);
 502     fill_joystick_dideviceinstanceW(&ddi, newDevice->generic.base.dinput->dwVersion, index);
 503     newDevice->generic.devcaps.dwDevType = ddi.dwDevType;
 504
 505     newDevice->generic.devcaps.dwFFSamplePeriod = 0;
 506     newDevice->generic.devcaps.dwFFMinTimeResolution = 0;
 507     newDevice->generic.devcaps.dwFirmwareRevision = 0;
 508     newDevice->generic.devcaps.dwHardwareRevision = 0;
 509     newDevice->generic.devcaps.dwFFDriverVersion = 0;
 510
 511     if (TRACE_ON(dinput)) {
 512         _dump_DIDATAFORMAT(newDevice->generic.base.data_format.wine_df);
 513        for (i = 0; i < (newDevice->generic.device_axis_count); i++)
 514            TRACE("axis_map[%d] = %d\n", i, newDevice->generic.axis_map[i]);
 515         _dump_DIDEVCAPS(&newDevice->generic.devcaps);
 516     }
 517
 518     *pdev = newDevice;
 519
 520     return DI_OK;
 521
 522 FAILED:
 523     hr = DIERR_OUTOFMEMORY;
 524 FAILED1:
 525     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 526     HeapFree(GetProcessHeap(), 0, df);
 527     release_DataFormat(&newDevice->generic.base.data_format);
 528     HeapFree(GetProcessHeap(),0,newDevice->generic.axis_map);
 529     HeapFree(GetProcessHeap(),0,newDevice);
 530     *pdev = 0;
 531
 532     return hr;
 533 }
 534
 535 /******************************************************************************
 536   *     get_joystick_index : Get the joystick index from a given GUID
 537   */
 538 static unsigned short get_joystick_index(REFGUID guid)
 539 {
 540     GUID wine_joystick = DInput_Wine_Joystick_GUID;
 541     GUID dev_guid = *guid;
 542
 543     wine_joystick.Data3 = 0;
 544     dev_guid.Data3 = 0;
 545
 546     /* for the standard joystick GUID use index 0 */
 547     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
 548
 549     /* for the wine joystick GUIDs use the index stored in Data3 */
 550     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3;
 551
 552     return MAX_JOYSTICKS;
 553 }
 554
 555 static HRESULT joydev_create_device(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPVOID *pdev, int unicode)
 556 {
 557     unsigned short index;
 558
 559     TRACE("%p %s %s %p %i\n", dinput, debugstr_guid(rguid), debugstr_guid(riid), pdev, unicode);
 560     find_joystick_devices();
 561     *pdev = NULL;
 562
 563     if ((index = get_joystick_index(rguid)) < MAX_JOYSTICKS &&
 564         joystick_devices_count && index < joystick_devices_count)
 565     {
 566         JoystickImpl *This;
 567         HRESULT hr;
 568
 569         if (riid == NULL)
 570             ;/* nothing */
 571         else if (IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
 572                  IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
 573                  IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
 574                  IsEqualGUID(&IID_IDirectInputDevice8A, riid))
 575         {
 576             unicode = 0;
 577         }
 578         else if (IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
 579                  IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
 580                  IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
 581                  IsEqualGUID(&IID_IDirectInputDevice8W, riid))
 582         {
 583             unicode = 1;
 584         }
 585         else
 586         {
 587             WARN("no interface\n");
 588             return DIERR_NOINTERFACE;
 589         }
 590
 591         hr = alloc_device(rguid, dinput, &This, index);
 592         if (!This) return hr;
 593
 594         if (unicode)
 595             *pdev = &This->generic.base.IDirectInputDevice8W_iface;
 596         else
 597             *pdev = &This->generic.base.IDirectInputDevice8A_iface;
 598
 599         return hr;
 600     }
 601
 602     return DIERR_DEVICENOTREG;
 603 }
 604
 605 #undef MAX_JOYSTICKS
 606
 607 const struct dinput_device joystick_linux_device = {
 608   "Wine Linux joystick driver",
 609   joydev_enum_deviceA,
 610   joydev_enum_deviceW,
 611   joydev_create_device
 612 };
 613
 614 /******************************************************************************
 615   *     Acquire : gets exclusive control of the joystick
 616   */
 617 static HRESULT WINAPI JoystickLinuxWImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
 618 {
 619     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 620     HRESULT res;
 621
 622     TRACE("(%p)\n",This);
 623
 624     res = IDirectInputDevice2WImpl_Acquire(iface);
 625     if (res != DI_OK)
 626         return res;
 627
 628     /* open the joystick device */
 629     if (This->joyfd==-1) {
 630         TRACE("opening joystick device %s\n", This->joydev->device);
 631
 632         This->joyfd = open(This->joydev->device, O_RDONLY);
 633         if (This->joyfd==-1) {
 634             ERR("open(%s) failed: %s\n", This->joydev->device, strerror(errno));
 635             IDirectInputDevice2WImpl_Unacquire(iface);
 636             return DIERR_NOTFOUND;
 637         }
 638     }
 639
 640     return DI_OK;
 641 }
 642
 643 static HRESULT WINAPI JoystickLinuxAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 644 {
 645     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 646     return JoystickLinuxWImpl_Acquire(IDirectInputDevice8W_from_impl(This));
 647 }
 648
 649 /******************************************************************************
 650   *     GetProperty : get input device properties
 651   */
 652 static HRESULT WINAPI JoystickLinuxWImpl_GetProperty(LPDIRECTINPUTDEVICE8W iface, REFGUID rguid, LPDIPROPHEADER pdiph)
 653 {
 654     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 655
 656     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
 657     _dump_DIPROPHEADER(pdiph);
 658
 659     if (!IS_DIPROP(rguid)) return DI_OK;
 660
 661     switch (LOWORD(rguid)) {
 662
 663         case (DWORD_PTR) DIPROP_VIDPID:
 664         {
 665             LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 666
 667             if (!This->joydev->product_id || !This->joydev->vendor_id)
 668                 return DIERR_UNSUPPORTED;
 669             pd->dwData = MAKELONG(This->joydev->vendor_id, This->joydev->product_id);
 670             TRACE("DIPROP_VIDPID(%08x)\n", pd->dwData);
 671             break;
 672         }
 673         case (DWORD_PTR) DIPROP_JOYSTICKID:
 674         {
 675             LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 676
 677             pd->dwData = get_joystick_index(&This->generic.base.guid);
 678             TRACE("DIPROP_JOYSTICKID(%d)\n", pd->dwData);
 679             break;
 680         }
 681
 682     default:
 683         return JoystickWGenericImpl_GetProperty(iface, rguid, pdiph);
 684     }
 685
 686     return DI_OK;
 687 }
 688
 689 static HRESULT WINAPI JoystickLinuxAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface, REFGUID rguid, LPDIPROPHEADER pdiph)
 690 {
 691     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 692     return JoystickLinuxWImpl_GetProperty(IDirectInputDevice8W_from_impl(This), rguid, pdiph);
 693 }
 694
 695 /******************************************************************************
 696   *     GetDeviceInfo : get information about a device's identity
 697   */
 698 static HRESULT WINAPI JoystickLinuxAImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8A iface, LPDIDEVICEINSTANCEA ddi)
 699 {
 700     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 701
 702     TRACE("(%p) %p\n", This, ddi);
 703
 704     if (ddi == NULL) return E_POINTER;
 705     if ((ddi->dwSize != sizeof(DIDEVICEINSTANCE_DX3A)) &&
 706         (ddi->dwSize != sizeof(DIDEVICEINSTANCEA)))
 707         return DIERR_INVALIDPARAM;
 708
 709     fill_joystick_dideviceinstanceA( ddi, This->generic.base.dinput->dwVersion,
 710                                      get_joystick_index(&This->generic.base.guid) );
 711     return DI_OK;
 712 }
 713
 714 static HRESULT WINAPI JoystickLinuxWImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8W iface, LPDIDEVICEINSTANCEW ddi)
 715 {
 716     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 717
 718     TRACE("(%p) %p\n", This, ddi);
 719
 720     if (ddi == NULL) return E_POINTER;
 721     if ((ddi->dwSize != sizeof(DIDEVICEINSTANCE_DX3W)) &&
 722         (ddi->dwSize != sizeof(DIDEVICEINSTANCEW)))
 723         return DIERR_INVALIDPARAM;
 724
 725     fill_joystick_dideviceinstanceW( ddi, This->generic.base.dinput->dwVersion,
 726                                      get_joystick_index(&This->generic.base.guid) );
 727     return DI_OK;
 728 }
 729
 730 /******************************************************************************
 731   *     Unacquire : frees the joystick
 732   */
 733 static HRESULT WINAPI JoystickLinuxWImpl_Unacquire(LPDIRECTINPUTDEVICE8W iface)
 734 {
 735     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 736     HRESULT res;
 737
 738     TRACE("(%p)\n",This);
 739
 740     res = IDirectInputDevice2WImpl_Unacquire(iface);
 741
 742     if (res != DI_OK)
 743         return res;
 744
 745     if (This->joyfd!=-1) {
 746         TRACE("closing joystick device\n");
 747         close(This->joyfd);
 748         This->joyfd = -1;
 749         return DI_OK;
 750     }
 751
 752     return DI_NOEFFECT;
 753 }
 754
 755 static HRESULT WINAPI JoystickLinuxAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 756 {
 757     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 758     return JoystickLinuxWImpl_Unacquire(IDirectInputDevice8W_from_impl(This));
 759 }
 760
 761 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface)
 762 {
 763     struct pollfd plfd;
 764     struct js_event jse;
 765     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 766
 767     TRACE("(%p)\n", This);
 768
 769     if (This->joyfd==-1) {
 770         WARN("no device\n");
 771         return;
 772     }
 773     while (1)
 774     {
 775         LONG value;
 776         int inst_id = -1;
 777
 778         plfd.fd = This->joyfd;
 779         plfd.events = POLLIN;
 780         if (poll(&plfd,1,0) != 1)
 781             return;
 782         /* we have one event, so we can read */
 783         if (sizeof(jse)!=read(This->joyfd,&jse,sizeof(jse))) {
 784             return;
 785         }
 786         TRACE("js_event: type 0x%x, number %d, value %d\n",
 787               jse.type,jse.number,jse.value);
 788         if (jse.type & JS_EVENT_BUTTON)
 789         {
 790             if (jse.number >= This->generic.devcaps.dwButtons) return;
 791
 792             inst_id = DIDFT_MAKEINSTANCE(jse.number) | DIDFT_PSHBUTTON;
 793             This->generic.js.rgbButtons[jse.number] = value = jse.value ? 0x80 : 0x00;
 794         }
 795         else if (jse.type & JS_EVENT_AXIS)
 796         {
 797             int number = This->generic.axis_map[jse.number];    /* wine format object index */
 798
 799             if (number < 0) return;
 800             inst_id = number < 8 ?  DIDFT_MAKEINSTANCE(number) | DIDFT_ABSAXIS :
 801                                     DIDFT_MAKEINSTANCE(number - 8) | DIDFT_POV;
 802             value = joystick_map_axis(&This->generic.props[id_to_object(This->generic.base.data_format.wine_df, inst_id)], jse.value);
 803
 804             TRACE("changing axis %d => %d\n", jse.number, number);
 805             switch (number)
 806             {
 807                 case 0: This->generic.js.lX  = value; break;
 808                 case 1: This->generic.js.lY  = value; break;
 809                 case 2: This->generic.js.lZ  = value; break;
 810                 case 3: This->generic.js.lRx = value; break;
 811                 case 4: This->generic.js.lRy = value; break;
 812                 case 5: This->generic.js.lRz = value; break;
 813                 case 6: This->generic.js.rglSlider[0] = value; break;
 814                 case 7: This->generic.js.rglSlider[1] = value; break;
 815                 case 8: case 9: case 10: case 11:
 816                 {
 817                     int idx = number - 8;
 818
 819                     if (jse.number % 2)
 820                         This->povs[idx].y = jse.value;
 821                     else
 822                         This->povs[idx].x = jse.value;
 823
 824                     This->generic.js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 825                     break;
 826                 }
 827                 default:
 828                     WARN("axis %d not supported\n", number);
 829             }
 830         }
 831         if (inst_id >= 0)
 832             queue_event(iface, inst_id, value, GetCurrentTime(), This->generic.base.dinput->evsequence++);
 833     }
 834 }
 835
 836 static const IDirectInputDevice8AVtbl JoystickAvt =
 837 {
 838         IDirectInputDevice2AImpl_QueryInterface,
 839         IDirectInputDevice2AImpl_AddRef,
 840         IDirectInputDevice2AImpl_Release,
 841         JoystickAGenericImpl_GetCapabilities,
 842         IDirectInputDevice2AImpl_EnumObjects,
 843         JoystickLinuxAImpl_GetProperty,
 844         JoystickAGenericImpl_SetProperty,
 845         JoystickLinuxAImpl_Acquire,
 846         JoystickLinuxAImpl_Unacquire,
 847         JoystickAGenericImpl_GetDeviceState,
 848         IDirectInputDevice2AImpl_GetDeviceData,
 849         IDirectInputDevice2AImpl_SetDataFormat,
 850         IDirectInputDevice2AImpl_SetEventNotification,
 851         IDirectInputDevice2AImpl_SetCooperativeLevel,
 852         JoystickAGenericImpl_GetObjectInfo,
 853         JoystickLinuxAImpl_GetDeviceInfo,
 854         IDirectInputDevice2AImpl_RunControlPanel,
 855         IDirectInputDevice2AImpl_Initialize,
 856         IDirectInputDevice2AImpl_CreateEffect,
 857         IDirectInputDevice2AImpl_EnumEffects,
 858         IDirectInputDevice2AImpl_GetEffectInfo,
 859         IDirectInputDevice2AImpl_GetForceFeedbackState,
 860         IDirectInputDevice2AImpl_SendForceFeedbackCommand,
 861         IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
 862         IDirectInputDevice2AImpl_Escape,
 863         JoystickAGenericImpl_Poll,
 864         IDirectInputDevice2AImpl_SendDeviceData,
 865         IDirectInputDevice7AImpl_EnumEffectsInFile,
 866         IDirectInputDevice7AImpl_WriteEffectToFile,
 867         JoystickAGenericImpl_BuildActionMap,
 868         JoystickAGenericImpl_SetActionMap,
 869         IDirectInputDevice8AImpl_GetImageInfo
 870 };
 871
 872 static const IDirectInputDevice8WVtbl JoystickWvt =
 873 {
 874     IDirectInputDevice2WImpl_QueryInterface,
 875     IDirectInputDevice2WImpl_AddRef,
 876     IDirectInputDevice2WImpl_Release,
 877     JoystickWGenericImpl_GetCapabilities,
 878     IDirectInputDevice2WImpl_EnumObjects,
 879     JoystickLinuxWImpl_GetProperty,
 880     JoystickWGenericImpl_SetProperty,
 881     JoystickLinuxWImpl_Acquire,
 882     JoystickLinuxWImpl_Unacquire,
 883     JoystickWGenericImpl_GetDeviceState,
 884     IDirectInputDevice2WImpl_GetDeviceData,
 885     IDirectInputDevice2WImpl_SetDataFormat,
 886     IDirectInputDevice2WImpl_SetEventNotification,
 887     IDirectInputDevice2WImpl_SetCooperativeLevel,
 888     JoystickWGenericImpl_GetObjectInfo,
 889     JoystickLinuxWImpl_GetDeviceInfo,
 890     IDirectInputDevice2WImpl_RunControlPanel,
 891     IDirectInputDevice2WImpl_Initialize,
 892     IDirectInputDevice2WImpl_CreateEffect,
 893     IDirectInputDevice2WImpl_EnumEffects,
 894     IDirectInputDevice2WImpl_GetEffectInfo,
 895     IDirectInputDevice2WImpl_GetForceFeedbackState,
 896     IDirectInputDevice2WImpl_SendForceFeedbackCommand,
 897     IDirectInputDevice2WImpl_EnumCreatedEffectObjects,
 898     IDirectInputDevice2WImpl_Escape,
 899     JoystickWGenericImpl_Poll,
 900     IDirectInputDevice2WImpl_SendDeviceData,
 901     IDirectInputDevice7WImpl_EnumEffectsInFile,
 902     IDirectInputDevice7WImpl_WriteEffectToFile,
 903     JoystickWGenericImpl_BuildActionMap,
 904     JoystickWGenericImpl_SetActionMap,
 905     IDirectInputDevice8WImpl_GetImageInfo
 906 };
 907
 908 #else  /* HAVE_LINUX_22_JOYSTICK_API */
 909
 910 const struct dinput_device joystick_linux_device = {
 911   "Wine Linux joystick driver",
 912   NULL,
 913   NULL,
 914   NULL
 915 };
 916
 917 #endif  /* HAVE_LINUX_22_JOYSTICK_API */