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