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 #ifdef HAVE_LINUX_22_JOYSTICK_API
  69
  70 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  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     GUID guid_product;
  81
  82     BYTE axis_count;
  83     BYTE button_count;
  84     int  *dev_axes_map;
  85
  86     WORD vendor_id, product_id, bus_type;
  87 };
  88
  89 typedef struct JoystickImpl JoystickImpl;
  90 static const IDirectInputDevice8AVtbl JoystickAvt;
  91 static const IDirectInputDevice8WVtbl JoystickWvt;
  92 struct JoystickImpl
  93 {
  94         struct JoystickGenericImpl generic;
  95
  96         struct JoyDev                  *joydev;
  97
  98         /* joystick private */
  99         int                             joyfd;
 100         POINTL                          povs[4];
 101 };
 102
 103 static inline JoystickImpl *impl_from_IDirectInputDevice8A(IDirectInputDevice8A *iface)
 104 {
 105     return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8A_iface),
 106            JoystickGenericImpl, base), JoystickImpl, generic);
 107 }
 108 static inline JoystickImpl *impl_from_IDirectInputDevice8W(IDirectInputDevice8W *iface)
 109 {
 110     return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8W_iface),
 111            JoystickGenericImpl, base), JoystickImpl, generic);
 112 }
 113
 114 static inline IDirectInputDevice8W *IDirectInputDevice8W_from_impl(JoystickImpl *This)
 115 {
 116     return &This->generic.base.IDirectInputDevice8W_iface;
 117 }
 118
 119 static const GUID DInput_Wine_Joystick_GUID = { /* 9e573ed9-7734-11d2-8d4a-23903fb6bdf7 */
 120   0x9e573ed9,
 121   0x7734,
 122   0x11d2,
 123   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 124 };
 125
 126 /*
 127  * Construct the GUID in the same way of Windows doing this.
 128  * Data1 is concatenation of productid and vendorid.
 129  * Data2 and Data3 are NULL.
 130  * Data4 seems to be a constant.
 131  */
 132 static const GUID DInput_Wine_Joystick_Constant_Part_GUID = {
 133   0x000000000,
 134   0x0000,
 135   0x0000,
 136   {0x00, 0x00, 0x50, 0x49, 0x44, 0x56, 0x49, 0x44}
 137 };
 138
 139 #define MAX_JOYSTICKS 64
 140 static INT joystick_devices_count = -1;
 141 static struct JoyDev *joystick_devices;
 142
 143 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface);
 144
 145 #define SYS_PATH_FORMAT "/sys/class/input/js%d/device/id/%s"
 146 static BOOL read_sys_id_variable(int index, const char *property, WORD *value)
 147 {
 148     char sys_path[sizeof(SYS_PATH_FORMAT) + 16], id_str[5];
 149     int sys_fd;
 150     BOOL ret = FALSE;
 151
 152     sprintf(sys_path, SYS_PATH_FORMAT, index, property);
 153     if ((sys_fd = open(sys_path, O_RDONLY)) != -1)
 154     {
 155         if (read(sys_fd, id_str, 4) == 4)
 156         {
 157             id_str[4] = '\0';
 158             *value = strtol(id_str, NULL, 16);
 159             ret = TRUE;
 160         }
 161
 162         close(sys_fd);
 163     }
 164     return ret;
 165 }
 166 #undef SYS_PATH_FORMAT
 167
 168 static INT find_joystick_devices(void)
 169 {
 170     INT i;
 171
 172     if (joystick_devices_count != -1) return joystick_devices_count;
 173
 174     joystick_devices_count = 0;
 175     for (i = 0; i < MAX_JOYSTICKS; i++)
 176     {
 177         int fd;
 178         struct JoyDev joydev, *new_joydevs;
 179         BYTE axes_map[ABS_MAX + 1];
 180
 181         snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_NEW, i);
 182         if ((fd = open(joydev.device, O_RDONLY)) == -1)
 183         {
 184             snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_OLD, i);
 185             if ((fd = open(joydev.device, O_RDONLY)) == -1) continue;
 186         }
 187
 188         strcpy(joydev.name, "Wine Joystick");
 189 #if defined(JSIOCGNAME)
 190         if (ioctl(fd, JSIOCGNAME(sizeof(joydev.name) - sizeof(JOYDEVDRIVER)), joydev.name) < 0)
 191             WARN("ioctl(%s,JSIOCGNAME) failed: %s\n", joydev.device, strerror(errno));
 192 #endif
 193
 194         /* Append driver name */
 195         strcat(joydev.name, JOYDEVDRIVER);
 196
 197         if (device_disabled_registry(joydev.name)) {
 198             close(fd);
 199             continue;
 200         }
 201
 202 #ifdef JSIOCGAXES
 203         if (ioctl(fd, JSIOCGAXES, &joydev.axis_count) < 0)
 204         {
 205             WARN("ioctl(%s,JSIOCGAXES) failed: %s, defaulting to 2\n", joydev.device, strerror(errno));
 206             joydev.axis_count = 2;
 207         }
 208 #else
 209         WARN("reading number of joystick axes unsupported in this platform, defaulting to 2\n");
 210         joydev.axis_count = 2;
 211 #endif
 212 #ifdef JSIOCGBUTTONS
 213         if (ioctl(fd, JSIOCGBUTTONS, &joydev.button_count) < 0)
 214         {
 215             WARN("ioctl(%s,JSIOCGBUTTONS) failed: %s, defaulting to 2\n", joydev.device, strerror(errno));
 216             joydev.button_count = 2;
 217         }
 218 #else
 219         WARN("reading number of joystick buttons unsupported in this platform, defaulting to 2\n");
 220         joydev.button_count = 2;
 221 #endif
 222
 223         if (ioctl(fd, JSIOCGAXMAP, axes_map) < 0)
 224         {
 225             WARN("ioctl(%s,JSIOCGAXMAP) failed: %s\n", joydev.device, strerror(errno));
 226             joydev.dev_axes_map = NULL;
 227         }
 228         else
 229             if ((joydev.dev_axes_map = HeapAlloc(GetProcessHeap(), 0, joydev.axis_count * sizeof(int))))
 230             {
 231                 INT j, found_axes = 0;
 232
 233                 /* Remap to DI numbers */
 234                 for (j = 0; j < joydev.axis_count; j++)
 235                 {
 236                     if (axes_map[j] < 8)
 237                     {
 238                         /* Axis match 1-to-1 */
 239                         joydev.dev_axes_map[j] = j;
 240                         found_axes++;
 241                     }
 242                     else if (axes_map[j] == 16 ||
 243                              axes_map[j] == 17)
 244                     {
 245                         /* POV axis */
 246                         joydev.dev_axes_map[j] = 8;
 247                         found_axes++;
 248                     }
 249                     else
 250                         joydev.dev_axes_map[j] = -1;
 251                 }
 252
 253                 /* If no axes were configured but there are axes assume a 1-to-1 (wii controller) */
 254                 if (joydev.axis_count && !found_axes)
 255                 {
 256                     int axes_limit = min(joydev.axis_count, 8); /* generic driver limit */
 257
 258                     ERR("Incoherent joystick data, advertised %d axes, detected 0. Assuming 1-to-1.\n",
 259                         joydev.axis_count);
 260                     for (j = 0; j < axes_limit; j++)
 261                         joydev.dev_axes_map[j] = j;
 262
 263                     joydev.axis_count = axes_limit;
 264                 }
 265             }
 266
 267         /* Find vendor_id and product_id in sysfs */
 268         joydev.vendor_id  = 0;
 269         joydev.product_id = 0;
 270
 271         read_sys_id_variable(i, "vendor", &joydev.vendor_id);
 272         read_sys_id_variable(i, "product", &joydev.product_id);
 273         read_sys_id_variable(i, "bustype", &joydev.bus_type);
 274
 275         if (joydev.vendor_id == 0 || joydev.product_id == 0)
 276         {
 277             joydev.guid_product = DInput_Wine_Joystick_GUID;
 278         }
 279         else
 280         {
 281             /* Concatenate product_id with vendor_id to mimic Windows behaviour */
 282             joydev.guid_product       = DInput_Wine_Joystick_Constant_Part_GUID;
 283             joydev.guid_product.Data1 = MAKELONG(joydev.vendor_id, joydev.product_id);
 284         }
 285
 286         close(fd);
 287
 288         if (!joystick_devices_count)
 289             new_joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 290         else
 291             new_joydevs = HeapReAlloc(GetProcessHeap(), 0, joystick_devices,
 292                                       (joystick_devices_count + 1) * sizeof(struct JoyDev));
 293         if (!new_joydevs) continue;
 294
 295         TRACE("Found a joystick on %s: %s\n  with %d axes and %d buttons\n", joydev.device,
 296               joydev.name, joydev.axis_count, joydev.button_count);
 297
 298         joystick_devices = new_joydevs;
 299         joystick_devices[joystick_devices_count++] = joydev;
 300     }
 301
 302     return joystick_devices_count;
 303 }
 304
 305 static void fill_joystick_dideviceinstanceW(LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 306 {
 307     DWORD dwSize = lpddi->dwSize;
 308
 309     TRACE("%d %p\n", dwSize, lpddi);
 310     memset(lpddi, 0, dwSize);
 311
 312     /* Return joystick */
 313     lpddi->dwSize = dwSize;
 314     lpddi->guidInstance = DInput_Wine_Joystick_GUID;
 315     lpddi->guidInstance.Data3 = id;
 316     lpddi->guidProduct = joystick_devices[id].guid_product;
 317     /* we only support traditional joysticks for now */
 318     if (version >= 0x0800)
 319         lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 320     else
 321         lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 322
 323     /* Assume the joystick as HID if it is attached to USB bus and has a valid VID/PID */
 324     if (joystick_devices[id].bus_type == BUS_USB &&
 325         joystick_devices[id].vendor_id && joystick_devices[id].product_id)
 326     {
 327         lpddi->dwDevType |= DIDEVTYPE_HID;
 328         lpddi->wUsagePage = 0x01; /* Desktop */
 329         if (lpddi->dwDevType == DI8DEVTYPE_JOYSTICK || lpddi->dwDevType == DIDEVTYPE_JOYSTICK)
 330             lpddi->wUsage = 0x04; /* Joystick */
 331         else
 332             lpddi->wUsage = 0x05; /* Game Pad */
 333     }
 334
 335     MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 336     MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszProductName, MAX_PATH);
 337     lpddi->guidFFDriver = GUID_NULL;
 338 }
 339
 340 static void fill_joystick_dideviceinstanceA(LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 341 {
 342     DIDEVICEINSTANCEW lpddiW;
 343     DWORD dwSize = lpddi->dwSize;
 344
 345     lpddiW.dwSize = sizeof(lpddiW);
 346     fill_joystick_dideviceinstanceW(&lpddiW, version, id);
 347
 348     TRACE("%d %p\n", dwSize, lpddi);
 349     memset(lpddi, 0, dwSize);
 350
 351     /* Convert W->A */
 352     lpddi->dwSize = dwSize;
 353     lpddi->guidInstance = lpddiW.guidInstance;
 354     lpddi->guidProduct = lpddiW.guidProduct;
 355     lpddi->dwDevType = lpddiW.dwDevType;
 356     strcpy(lpddi->tszInstanceName, joystick_devices[id].name);
 357     strcpy(lpddi->tszProductName,  joystick_devices[id].name);
 358     lpddi->guidFFDriver = lpddiW.guidFFDriver;
 359     lpddi->wUsagePage = lpddiW.wUsagePage;
 360     lpddi->wUsage = lpddiW.wUsage;
 361 }
 362
 363 static HRESULT joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 364 {
 365     int fd = -1;
 366
 367     if (id >= find_joystick_devices()) return E_FAIL;
 368
 369     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 370         WARN("force feedback not supported\n");
 371         return S_FALSE;
 372     }
 373
 374     if ((dwDevType == 0) ||
 375         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 376         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 377         /* check whether we have a joystick */
 378         if ((fd = open(joystick_devices[id].device, O_RDONLY)) == -1)
 379         {
 380             WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
 381             return S_FALSE;
 382         }
 383         fill_joystick_dideviceinstanceA( lpddi, version, id );
 384         close(fd);
 385         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
 386         return S_OK;
 387     }
 388
 389     return S_FALSE;
 390 }
 391
 392 static HRESULT joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 393 {
 394     int fd = -1;
 395
 396     if (id >= find_joystick_devices()) return E_FAIL;
 397
 398     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 399         WARN("force feedback not supported\n");
 400         return S_FALSE;
 401     }
 402
 403     if ((dwDevType == 0) ||
 404         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 405         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 406         /* check whether we have a joystick */
 407         if ((fd = open(joystick_devices[id].device, O_RDONLY)) == -1)
 408         {
 409             WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
 410             return S_FALSE;
 411         }
 412         fill_joystick_dideviceinstanceW( lpddi, version, id );
 413         close(fd);
 414         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
 415         return S_OK;
 416     }
 417
 418     return S_FALSE;
 419 }
 420
 421 static HRESULT alloc_device(REFGUID rguid, IDirectInputImpl *dinput,
 422                             JoystickImpl **pdev, unsigned short index)
 423 {
 424     DWORD i;
 425     JoystickImpl* newDevice;
 426     HRESULT hr;
 427     LPDIDATAFORMAT df = NULL;
 428     int idx = 0;
 429     DIDEVICEINSTANCEW ddi;
 430
 431     TRACE("%s %p %p %hu\n", debugstr_guid(rguid), dinput, pdev, index);
 432
 433     newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
 434     if (newDevice == 0) {
 435         WARN("out of memory\n");
 436         *pdev = 0;
 437         return DIERR_OUTOFMEMORY;
 438     }
 439
 440     newDevice->joydev = &joystick_devices[index];
 441     newDevice->joyfd = -1;
 442     newDevice->generic.guidInstance = DInput_Wine_Joystick_GUID;
 443     newDevice->generic.guidInstance.Data3 = index;
 444     newDevice->generic.guidProduct = DInput_Wine_Joystick_GUID;
 445     newDevice->generic.joy_polldev = joy_polldev;
 446     newDevice->generic.name        = newDevice->joydev->name;
 447     newDevice->generic.device_axis_count = newDevice->joydev->axis_count;
 448     newDevice->generic.devcaps.dwButtons = newDevice->joydev->button_count;
 449
 450     if (newDevice->generic.devcaps.dwButtons > 128)
 451     {
 452         WARN("Can't support %d buttons. Clamping down to 128\n", newDevice->generic.devcaps.dwButtons);
 453         newDevice->generic.devcaps.dwButtons = 128;
 454     }
 455
 456     newDevice->generic.base.IDirectInputDevice8A_iface.lpVtbl = &JoystickAvt;
 457     newDevice->generic.base.IDirectInputDevice8W_iface.lpVtbl = &JoystickWvt;
 458     newDevice->generic.base.ref = 1;
 459     newDevice->generic.base.dinput = dinput;
 460     newDevice->generic.base.guid = *rguid;
 461     InitializeCriticalSection(&newDevice->generic.base.crit);
 462     newDevice->generic.base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->generic.base.crit");
 463
 464     /* setup_dinput_options may change these */
 465     newDevice->generic.deadzone = 0;
 466
 467     /* do any user specified configuration */
 468     hr = setup_dinput_options(&newDevice->generic, newDevice->joydev->dev_axes_map);
 469     if (hr != DI_OK)
 470         goto FAILED1;
 471
 472     /* Create copy of default data format */
 473     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto FAILED;
 474     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 475
 476     df->dwNumObjs = newDevice->generic.devcaps.dwAxes + newDevice->generic.devcaps.dwPOVs + newDevice->generic.devcaps.dwButtons;
 477     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto FAILED;
 478
 479     for (i = 0; i < newDevice->generic.device_axis_count; i++)
 480     {
 481         int wine_obj = newDevice->generic.axis_map[i];
 482
 483         if (wine_obj < 0) continue;
 484
 485         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[wine_obj], df->dwObjSize);
 486         if (wine_obj < 8)
 487             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj) | DIDFT_ABSAXIS;
 488         else
 489         {
 490             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj - 8) | DIDFT_POV;
 491             i++; /* POV takes 2 axes */
 492         }
 493     }
 494     for (i = 0; i < newDevice->generic.devcaps.dwButtons; i++)
 495     {
 496         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + 12], df->dwObjSize);
 497         df->rgodf[idx  ].pguid = &GUID_Button;
 498         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_PSHBUTTON;
 499     }
 500     newDevice->generic.base.data_format.wine_df = df;
 501
 502     /* initialize default properties */
 503     for (i = 0; i < c_dfDIJoystick2.dwNumObjs; i++) {
 504         newDevice->generic.props[i].lDevMin = -32767;
 505         newDevice->generic.props[i].lDevMax = +32767;
 506         newDevice->generic.props[i].lMin = 0;
 507         newDevice->generic.props[i].lMax = 0xffff;
 508         newDevice->generic.props[i].lDeadZone = newDevice->generic.deadzone; /* % * 1000 */
 509         newDevice->generic.props[i].lSaturation = 0;
 510     }
 511
 512     IDirectInput_AddRef(&newDevice->generic.base.dinput->IDirectInput7A_iface);
 513
 514     EnterCriticalSection(&dinput->crit);
 515     list_add_tail(&dinput->devices_list, &newDevice->generic.base.entry);
 516     LeaveCriticalSection(&dinput->crit);
 517
 518     newDevice->generic.devcaps.dwSize = sizeof(newDevice->generic.devcaps);
 519     newDevice->generic.devcaps.dwFlags = DIDC_ATTACHED;
 520
 521     ddi.dwSize = sizeof(ddi);
 522     fill_joystick_dideviceinstanceW(&ddi, newDevice->generic.base.dinput->dwVersion, index);
 523     newDevice->generic.devcaps.dwDevType = ddi.dwDevType;
 524
 525     newDevice->generic.devcaps.dwFFSamplePeriod = 0;
 526     newDevice->generic.devcaps.dwFFMinTimeResolution = 0;
 527     newDevice->generic.devcaps.dwFirmwareRevision = 0;
 528     newDevice->generic.devcaps.dwHardwareRevision = 0;
 529     newDevice->generic.devcaps.dwFFDriverVersion = 0;
 530
 531     if (TRACE_ON(dinput)) {
 532         _dump_DIDATAFORMAT(newDevice->generic.base.data_format.wine_df);
 533        for (i = 0; i < (newDevice->generic.device_axis_count); i++)
 534            TRACE("axis_map[%d] = %d\n", i, newDevice->generic.axis_map[i]);
 535         _dump_DIDEVCAPS(&newDevice->generic.devcaps);
 536     }
 537
 538     *pdev = newDevice;
 539
 540     return DI_OK;
 541
 542 FAILED:
 543     hr = DIERR_OUTOFMEMORY;
 544 FAILED1:
 545     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 546     HeapFree(GetProcessHeap(), 0, df);
 547     release_DataFormat(&newDevice->generic.base.data_format);
 548     HeapFree(GetProcessHeap(),0,newDevice->generic.axis_map);
 549     HeapFree(GetProcessHeap(),0,newDevice);
 550     *pdev = 0;
 551
 552     return hr;
 553 }
 554
 555 /******************************************************************************
 556   *     get_joystick_index : Get the joystick index from a given GUID
 557   */
 558 static unsigned short get_joystick_index(REFGUID guid)
 559 {
 560     GUID wine_joystick = DInput_Wine_Joystick_GUID;
 561     GUID dev_guid = *guid;
 562
 563     wine_joystick.Data3 = 0;
 564     dev_guid.Data3 = 0;
 565
 566     /* for the standard joystick GUID use index 0 */
 567     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
 568
 569     /* for the wine joystick GUIDs use the index stored in Data3 */
 570     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3;
 571
 572     return MAX_JOYSTICKS;
 573 }
 574
 575 static HRESULT joydev_create_device(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPVOID *pdev, int unicode)
 576 {
 577     unsigned short index;
 578
 579     TRACE("%p %s %s %p %i\n", dinput, debugstr_guid(rguid), debugstr_guid(riid), pdev, unicode);
 580     find_joystick_devices();
 581     *pdev = NULL;
 582
 583     if ((index = get_joystick_index(rguid)) < MAX_JOYSTICKS &&
 584         joystick_devices_count && index < joystick_devices_count)
 585     {
 586         JoystickImpl *This;
 587         HRESULT hr;
 588
 589         if (riid == NULL)
 590             ;/* nothing */
 591         else if (IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
 592                  IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
 593                  IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
 594                  IsEqualGUID(&IID_IDirectInputDevice8A, riid))
 595         {
 596             unicode = 0;
 597         }
 598         else if (IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
 599                  IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
 600                  IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
 601                  IsEqualGUID(&IID_IDirectInputDevice8W, riid))
 602         {
 603             unicode = 1;
 604         }
 605         else
 606         {
 607             WARN("no interface\n");
 608             return DIERR_NOINTERFACE;
 609         }
 610
 611         hr = alloc_device(rguid, dinput, &This, index);
 612         if (!This) return hr;
 613
 614         if (unicode)
 615             *pdev = &This->generic.base.IDirectInputDevice8W_iface;
 616         else
 617             *pdev = &This->generic.base.IDirectInputDevice8A_iface;
 618
 619         return hr;
 620     }
 621
 622     return DIERR_DEVICENOTREG;
 623 }
 624
 625 #undef MAX_JOYSTICKS
 626
 627 const struct dinput_device joystick_linux_device = {
 628   "Wine Linux joystick driver",
 629   joydev_enum_deviceA,
 630   joydev_enum_deviceW,
 631   joydev_create_device
 632 };
 633
 634 /******************************************************************************
 635   *     Acquire : gets exclusive control of the joystick
 636   */
 637 static HRESULT WINAPI JoystickLinuxWImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
 638 {
 639     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 640     HRESULT res;
 641
 642     TRACE("(%p)\n",This);
 643
 644     res = IDirectInputDevice2WImpl_Acquire(iface);
 645     if (res != DI_OK)
 646         return res;
 647
 648     /* open the joystick device */
 649     if (This->joyfd==-1) {
 650         TRACE("opening joystick device %s\n", This->joydev->device);
 651
 652         This->joyfd = open(This->joydev->device, O_RDONLY);
 653         if (This->joyfd==-1) {
 654             ERR("open(%s) failed: %s\n", This->joydev->device, strerror(errno));
 655             IDirectInputDevice2WImpl_Unacquire(iface);
 656             return DIERR_NOTFOUND;
 657         }
 658     }
 659
 660     return DI_OK;
 661 }
 662
 663 static HRESULT WINAPI JoystickLinuxAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 664 {
 665     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 666     return JoystickLinuxWImpl_Acquire(IDirectInputDevice8W_from_impl(This));
 667 }
 668
 669 /******************************************************************************
 670   *     GetProperty : get input device properties
 671   */
 672 static HRESULT WINAPI JoystickLinuxWImpl_GetProperty(LPDIRECTINPUTDEVICE8W iface, REFGUID rguid, LPDIPROPHEADER pdiph)
 673 {
 674     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 675
 676     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
 677     _dump_DIPROPHEADER(pdiph);
 678
 679     if (!IS_DIPROP(rguid)) return DI_OK;
 680
 681     switch (LOWORD(rguid)) {
 682
 683         case (DWORD_PTR) DIPROP_VIDPID:
 684         {
 685             LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 686
 687             if (!This->joydev->product_id || !This->joydev->vendor_id)
 688                 return DIERR_UNSUPPORTED;
 689             pd->dwData = MAKELONG(This->joydev->vendor_id, This->joydev->product_id);
 690             TRACE("DIPROP_VIDPID(%08x)\n", pd->dwData);
 691             break;
 692         }
 693         case (DWORD_PTR) DIPROP_JOYSTICKID:
 694         {
 695             LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 696
 697             pd->dwData = get_joystick_index(&This->generic.base.guid);
 698             TRACE("DIPROP_JOYSTICKID(%d)\n", pd->dwData);
 699             break;
 700         }
 701
 702     default:
 703         return JoystickWGenericImpl_GetProperty(iface, rguid, pdiph);
 704     }
 705
 706     return DI_OK;
 707 }
 708
 709 static HRESULT WINAPI JoystickLinuxAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface, REFGUID rguid, LPDIPROPHEADER pdiph)
 710 {
 711     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 712     return JoystickLinuxWImpl_GetProperty(IDirectInputDevice8W_from_impl(This), rguid, pdiph);
 713 }
 714
 715 /******************************************************************************
 716   *     GetDeviceInfo : get information about a device's identity
 717   */
 718 static HRESULT WINAPI JoystickLinuxAImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8A iface, LPDIDEVICEINSTANCEA ddi)
 719 {
 720     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 721
 722     TRACE("(%p) %p\n", This, ddi);
 723
 724     if (ddi == NULL) return E_POINTER;
 725     if ((ddi->dwSize != sizeof(DIDEVICEINSTANCE_DX3A)) &&
 726         (ddi->dwSize != sizeof(DIDEVICEINSTANCEA)))
 727         return DIERR_INVALIDPARAM;
 728
 729     fill_joystick_dideviceinstanceA( ddi, This->generic.base.dinput->dwVersion,
 730                                      get_joystick_index(&This->generic.base.guid) );
 731     return DI_OK;
 732 }
 733
 734 static HRESULT WINAPI JoystickLinuxWImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8W iface, LPDIDEVICEINSTANCEW ddi)
 735 {
 736     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 737
 738     TRACE("(%p) %p\n", This, ddi);
 739
 740     if (ddi == NULL) return E_POINTER;
 741     if ((ddi->dwSize != sizeof(DIDEVICEINSTANCE_DX3W)) &&
 742         (ddi->dwSize != sizeof(DIDEVICEINSTANCEW)))
 743         return DIERR_INVALIDPARAM;
 744
 745     fill_joystick_dideviceinstanceW( ddi, This->generic.base.dinput->dwVersion,
 746                                      get_joystick_index(&This->generic.base.guid) );
 747     return DI_OK;
 748 }
 749
 750 /******************************************************************************
 751   *     Unacquire : frees the joystick
 752   */
 753 static HRESULT WINAPI JoystickLinuxWImpl_Unacquire(LPDIRECTINPUTDEVICE8W iface)
 754 {
 755     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 756     HRESULT res;
 757
 758     TRACE("(%p)\n",This);
 759
 760     res = IDirectInputDevice2WImpl_Unacquire(iface);
 761
 762     if (res != DI_OK)
 763         return res;
 764
 765     if (This->joyfd!=-1) {
 766         TRACE("closing joystick device\n");
 767         close(This->joyfd);
 768         This->joyfd = -1;
 769         return DI_OK;
 770     }
 771
 772     return DI_NOEFFECT;
 773 }
 774
 775 static HRESULT WINAPI JoystickLinuxAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 776 {
 777     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 778     return JoystickLinuxWImpl_Unacquire(IDirectInputDevice8W_from_impl(This));
 779 }
 780
 781 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface)
 782 {
 783     struct pollfd plfd;
 784     struct js_event jse;
 785     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 786
 787     TRACE("(%p)\n", This);
 788
 789     if (This->joyfd==-1) {
 790         WARN("no device\n");
 791         return;
 792     }
 793     while (1)
 794     {
 795         LONG value;
 796         int inst_id = -1;
 797
 798         plfd.fd = This->joyfd;
 799         plfd.events = POLLIN;
 800         if (poll(&plfd,1,0) != 1)
 801             return;
 802         /* we have one event, so we can read */
 803         if (sizeof(jse)!=read(This->joyfd,&jse,sizeof(jse))) {
 804             return;
 805         }
 806         TRACE("js_event: type 0x%x, number %d, value %d\n",
 807               jse.type,jse.number,jse.value);
 808         if (jse.type & JS_EVENT_BUTTON)
 809         {
 810             if (jse.number >= This->generic.devcaps.dwButtons) return;
 811
 812             inst_id = DIDFT_MAKEINSTANCE(jse.number) | DIDFT_PSHBUTTON;
 813             This->generic.js.rgbButtons[jse.number] = value = jse.value ? 0x80 : 0x00;
 814         }
 815         else if (jse.type & JS_EVENT_AXIS)
 816         {
 817             int number = This->generic.axis_map[jse.number];    /* wine format object index */
 818
 819             if (number < 0) return;
 820             inst_id = number < 8 ?  DIDFT_MAKEINSTANCE(number) | DIDFT_ABSAXIS :
 821                                     DIDFT_MAKEINSTANCE(number - 8) | DIDFT_POV;
 822             value = joystick_map_axis(&This->generic.props[id_to_object(This->generic.base.data_format.wine_df, inst_id)], jse.value);
 823
 824             TRACE("changing axis %d => %d\n", jse.number, number);
 825             switch (number)
 826             {
 827                 case 0: This->generic.js.lX  = value; break;
 828                 case 1: This->generic.js.lY  = value; break;
 829                 case 2: This->generic.js.lZ  = value; break;
 830                 case 3: This->generic.js.lRx = value; break;
 831                 case 4: This->generic.js.lRy = value; break;
 832                 case 5: This->generic.js.lRz = value; break;
 833                 case 6: This->generic.js.rglSlider[0] = value; break;
 834                 case 7: This->generic.js.rglSlider[1] = value; break;
 835                 case 8: case 9: case 10: case 11:
 836                 {
 837                     int idx = number - 8;
 838
 839                     if (jse.number % 2)
 840                         This->povs[idx].y = jse.value;
 841                     else
 842                         This->povs[idx].x = jse.value;
 843
 844                     This->generic.js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 845                     break;
 846                 }
 847                 default:
 848                     WARN("axis %d not supported\n", number);
 849             }
 850         }
 851         if (inst_id >= 0)
 852             queue_event(iface, inst_id, value, GetCurrentTime(), This->generic.base.dinput->evsequence++);
 853     }
 854 }
 855
 856 static const IDirectInputDevice8AVtbl JoystickAvt =
 857 {
 858         IDirectInputDevice2AImpl_QueryInterface,
 859         IDirectInputDevice2AImpl_AddRef,
 860         IDirectInputDevice2AImpl_Release,
 861         JoystickAGenericImpl_GetCapabilities,
 862         IDirectInputDevice2AImpl_EnumObjects,
 863         JoystickLinuxAImpl_GetProperty,
 864         JoystickAGenericImpl_SetProperty,
 865         JoystickLinuxAImpl_Acquire,
 866         JoystickLinuxAImpl_Unacquire,
 867         JoystickAGenericImpl_GetDeviceState,
 868         IDirectInputDevice2AImpl_GetDeviceData,
 869         IDirectInputDevice2AImpl_SetDataFormat,
 870         IDirectInputDevice2AImpl_SetEventNotification,
 871         IDirectInputDevice2AImpl_SetCooperativeLevel,
 872         JoystickAGenericImpl_GetObjectInfo,
 873         JoystickLinuxAImpl_GetDeviceInfo,
 874         IDirectInputDevice2AImpl_RunControlPanel,
 875         IDirectInputDevice2AImpl_Initialize,
 876         IDirectInputDevice2AImpl_CreateEffect,
 877         IDirectInputDevice2AImpl_EnumEffects,
 878         IDirectInputDevice2AImpl_GetEffectInfo,
 879         IDirectInputDevice2AImpl_GetForceFeedbackState,
 880         IDirectInputDevice2AImpl_SendForceFeedbackCommand,
 881         IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
 882         IDirectInputDevice2AImpl_Escape,
 883         JoystickAGenericImpl_Poll,
 884         IDirectInputDevice2AImpl_SendDeviceData,
 885         IDirectInputDevice7AImpl_EnumEffectsInFile,
 886         IDirectInputDevice7AImpl_WriteEffectToFile,
 887         JoystickAGenericImpl_BuildActionMap,
 888         JoystickAGenericImpl_SetActionMap,
 889         IDirectInputDevice8AImpl_GetImageInfo
 890 };
 891
 892 static const IDirectInputDevice8WVtbl JoystickWvt =
 893 {
 894     IDirectInputDevice2WImpl_QueryInterface,
 895     IDirectInputDevice2WImpl_AddRef,
 896     IDirectInputDevice2WImpl_Release,
 897     JoystickWGenericImpl_GetCapabilities,
 898     IDirectInputDevice2WImpl_EnumObjects,
 899     JoystickLinuxWImpl_GetProperty,
 900     JoystickWGenericImpl_SetProperty,
 901     JoystickLinuxWImpl_Acquire,
 902     JoystickLinuxWImpl_Unacquire,
 903     JoystickWGenericImpl_GetDeviceState,
 904     IDirectInputDevice2WImpl_GetDeviceData,
 905     IDirectInputDevice2WImpl_SetDataFormat,
 906     IDirectInputDevice2WImpl_SetEventNotification,
 907     IDirectInputDevice2WImpl_SetCooperativeLevel,
 908     JoystickWGenericImpl_GetObjectInfo,
 909     JoystickLinuxWImpl_GetDeviceInfo,
 910     IDirectInputDevice2WImpl_RunControlPanel,
 911     IDirectInputDevice2WImpl_Initialize,
 912     IDirectInputDevice2WImpl_CreateEffect,
 913     IDirectInputDevice2WImpl_EnumEffects,
 914     IDirectInputDevice2WImpl_GetEffectInfo,
 915     IDirectInputDevice2WImpl_GetForceFeedbackState,
 916     IDirectInputDevice2WImpl_SendForceFeedbackCommand,
 917     IDirectInputDevice2WImpl_EnumCreatedEffectObjects,
 918     IDirectInputDevice2WImpl_Escape,
 919     JoystickWGenericImpl_Poll,
 920     IDirectInputDevice2WImpl_SendDeviceData,
 921     IDirectInputDevice7WImpl_EnumEffectsInFile,
 922     IDirectInputDevice7WImpl_WriteEffectToFile,
 923     JoystickWGenericImpl_BuildActionMap,
 924     JoystickWGenericImpl_SetActionMap,
 925     IDirectInputDevice8WImpl_GetImageInfo
 926 };
 927
 928 #else  /* HAVE_LINUX_22_JOYSTICK_API */
 929
 930 const struct dinput_device joystick_linux_device = {
 931   "Wine Linux joystick driver",
 932   NULL,
 933   NULL,
 934   NULL
 935 };
 936
 937 #endif  /* HAVE_LINUX_22_JOYSTICK_API */