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