dll/directx/wine/dinput/joystick_linux.c

   1 /*              DirectInput Joystick device
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998,1999 Lionel Ulmer
   5  * Copyright 2000-2001 TransGaming Technologies Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 /*
  23  * To Do:
  24  *      dead zone
  25  *      force feedback
  26  */
  27
  28 #include "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 "devguid.h"
  63 #include "dinput.h"
  64
  65 #include "dinput_private.h"
  66 #include "device_private.h"
  67 #include "joystick_private.h"
  68
  69 #ifdef HAVE_LINUX_22_JOYSTICK_API
  70
  71 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  72
  73 #define JOYDEV_NEW "/dev/input/js"
  74 #define JOYDEV_OLD "/dev/js"
  75 #define JOYDEVDRIVER " (js)"
  76
  77 struct JoyDev
  78 {
  79     char device[MAX_PATH];
  80     char name[MAX_PATH];
  81     GUID guid_product;
  82
  83     BYTE axis_count;
  84     BYTE button_count;
  85     int  *dev_axes_map;
  86
  87     WORD vendor_id, product_id, bus_type;
  88
  89     BOOL is_joystick;
  90 };
  91
  92 typedef struct JoystickImpl JoystickImpl;
  93 static const IDirectInputDevice8AVtbl JoystickAvt;
  94 static const IDirectInputDevice8WVtbl JoystickWvt;
  95 struct JoystickImpl
  96 {
  97         struct JoystickGenericImpl generic;
  98
  99         struct JoyDev                  *joydev;
 100
 101         /* joystick private */
 102         int                             joyfd;
 103         POINTL                          povs[4];
 104 };
 105
 106 static inline JoystickImpl *impl_from_IDirectInputDevice8A(IDirectInputDevice8A *iface)
 107 {
 108     return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8A_iface),
 109            JoystickGenericImpl, base), JoystickImpl, generic);
 110 }
 111 static inline JoystickImpl *impl_from_IDirectInputDevice8W(IDirectInputDevice8W *iface)
 112 {
 113     return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8W_iface),
 114            JoystickGenericImpl, base), JoystickImpl, generic);
 115 }
 116
 117 static inline IDirectInputDevice8W *IDirectInputDevice8W_from_impl(JoystickImpl *This)
 118 {
 119     return &This->generic.base.IDirectInputDevice8W_iface;
 120 }
 121
 122 static const GUID DInput_Wine_Joystick_GUID = { /* 9e573ed9-7734-11d2-8d4a-23903fb6bdf7 */
 123   0x9e573ed9,
 124   0x7734,
 125   0x11d2,
 126   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 127 };
 128
 129 #define MAX_JOYSTICKS 64
 130 static INT joystick_devices_count = -1;
 131 static struct JoyDev *joystick_devices;
 132
 133 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface);
 134
 135 #define SYS_PATH_FORMAT "/sys/class/input/js%d/device/id/%s"
 136 static BOOL read_sys_id_variable(int index, const char *property, WORD *value)
 137 {
 138     char sys_path[sizeof(SYS_PATH_FORMAT) + 16], id_str[5];
 139     int sys_fd;
 140     BOOL ret = FALSE;
 141
 142     sprintf(sys_path, SYS_PATH_FORMAT, index, property);
 143     if ((sys_fd = open(sys_path, O_RDONLY)) != -1)
 144     {
 145         if (read(sys_fd, id_str, 4) == 4)
 146         {
 147             id_str[4] = '\0';
 148             *value = strtol(id_str, NULL, 16);
 149             ret = TRUE;
 150         }
 151
 152         close(sys_fd);
 153     }
 154     return ret;
 155 }
 156 #undef SYS_PATH_FORMAT
 157
 158 static INT find_joystick_devices(void)
 159 {
 160     INT i;
 161
 162     if (joystick_devices_count != -1) return joystick_devices_count;
 163
 164     joystick_devices_count = 0;
 165     for (i = 0; i < MAX_JOYSTICKS; i++)
 166     {
 167         int fd;
 168         struct JoyDev joydev, *new_joydevs;
 169         BYTE axes_map[ABS_MAX + 1];
 170         SHORT btn_map[KEY_MAX - BTN_MISC + 1];
 171         BOOL is_stylus = FALSE;
 172
 173         snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_NEW, i);
 174         if ((fd = open(joydev.device, O_RDONLY)) == -1)
 175         {
 176             snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_OLD, i);
 177             if ((fd = open(joydev.device, O_RDONLY)) == -1) continue;
 178         }
 179
 180         strcpy(joydev.name, "Wine Joystick");
 181 #if defined(JSIOCGNAME)
 182         if (ioctl(fd, JSIOCGNAME(sizeof(joydev.name) - sizeof(JOYDEVDRIVER)), joydev.name) < 0)
 183             WARN("ioctl(%s,JSIOCGNAME) failed: %s\n", joydev.device, strerror(errno));
 184 #endif
 185
 186         /* Append driver name */
 187         strcat(joydev.name, JOYDEVDRIVER);
 188
 189         if (device_disabled_registry(joydev.name)) {
 190             close(fd);
 191             continue;
 192         }
 193
 194 #ifdef JSIOCGAXES
 195         if (ioctl(fd, JSIOCGAXES, &joydev.axis_count) < 0)
 196         {
 197             WARN("ioctl(%s,JSIOCGAXES) failed: %s, defaulting to 2\n", joydev.device, strerror(errno));
 198             joydev.axis_count = 2;
 199         }
 200 #else
 201         WARN("reading number of joystick axes unsupported in this platform, defaulting to 2\n");
 202         joydev.axis_count = 2;
 203 #endif
 204 #ifdef JSIOCGBUTTONS
 205         if (ioctl(fd, JSIOCGBUTTONS, &joydev.button_count) < 0)
 206         {
 207             WARN("ioctl(%s,JSIOCGBUTTONS) failed: %s, defaulting to 2\n", joydev.device, strerror(errno));
 208             joydev.button_count = 2;
 209         }
 210 #else
 211         WARN("reading number of joystick buttons unsupported in this platform, defaulting to 2\n");
 212         joydev.button_count = 2;
 213 #endif
 214
 215         joydev.is_joystick = FALSE;
 216         if (ioctl(fd, JSIOCGBTNMAP, btn_map) < 0)
 217         {
 218             WARN("ioctl(%s,JSIOCGBTNMAP) failed: %s\n", joydev.device, strerror(errno));
 219         }
 220         else
 221         {
 222             INT j;
 223             /* in lieu of properly reporting HID usage, detect presence of
 224              * "joystick buttons" and report those devices as joysticks instead of
 225              * gamepads */
 226             for (j = 0; !joydev.is_joystick && j < joydev.button_count; j++)
 227             {
 228                 switch (btn_map[j])
 229                 {
 230                 case BTN_TRIGGER:
 231                 case BTN_THUMB:
 232                 case BTN_THUMB2:
 233                 case BTN_TOP:
 234                 case BTN_TOP2:
 235                 case BTN_PINKIE:
 236                 case BTN_BASE:
 237                 case BTN_BASE2:
 238                 case BTN_BASE3:
 239                 case BTN_BASE4:
 240                 case BTN_BASE5:
 241                 case BTN_BASE6:
 242                 case BTN_DEAD:
 243                     joydev.is_joystick = TRUE;
 244                     break;
 245                 case BTN_STYLUS:
 246                     is_stylus = TRUE;
 247                     break;
 248                 default:
 249                     break;
 250                 }
 251             }
 252         }
 253
 254         if(is_stylus)
 255         {
 256             TRACE("Stylus detected. Skipping\n");
 257             close(fd);
 258             continue;
 259         }
 260
 261         if (ioctl(fd, JSIOCGAXMAP, axes_map) < 0)
 262         {
 263             WARN("ioctl(%s,JSIOCGAXMAP) failed: %s\n", joydev.device, strerror(errno));
 264             joydev.dev_axes_map = NULL;
 265         }
 266         else
 267             if ((joydev.dev_axes_map = HeapAlloc(GetProcessHeap(), 0, joydev.axis_count * sizeof(int))))
 268             {
 269                 INT j, found_axes = 0;
 270
 271                 /* Remap to DI numbers */
 272                 for (j = 0; j < joydev.axis_count; j++)
 273                 {
 274                     if (axes_map[j] < 8)
 275                     {
 276                         /* Axis match 1-to-1 */
 277                         joydev.dev_axes_map[j] = j;
 278                         found_axes++;
 279                     }
 280                     else if (axes_map[j] <= 10)
 281                     {
 282                         /* Axes 8 through 10 are Wheel, Gas and Brake,
 283                          * remap to 0, 1 and 2
 284                          */
 285                         joydev.dev_axes_map[j] = axes_map[j] - 8;
 286                         found_axes++;
 287                     }
 288                     else if (axes_map[j] == 16 ||
 289                              axes_map[j] == 17)
 290                     {
 291                         /* POV axis */
 292                         joydev.dev_axes_map[j] = 8;
 293                         found_axes++;
 294                     }
 295                     else
 296                         joydev.dev_axes_map[j] = -1;
 297                 }
 298
 299                 /* If no axes were configured but there are axes assume a 1-to-1 (wii controller) */
 300                 if (joydev.axis_count && !found_axes)
 301                 {
 302                     int axes_limit = min(joydev.axis_count, 8); /* generic driver limit */
 303
 304                     ERR("Incoherent joystick data, advertised %d axes, detected 0. Assuming 1-to-1.\n",
 305                         joydev.axis_count);
 306                     for (j = 0; j < axes_limit; j++)
 307                         joydev.dev_axes_map[j] = j;
 308
 309                     joydev.axis_count = axes_limit;
 310                 }
 311             }
 312
 313         /* Find vendor_id and product_id in sysfs */
 314         joydev.vendor_id  = 0;
 315         joydev.product_id = 0;
 316
 317         read_sys_id_variable(i, "vendor", &joydev.vendor_id);
 318         read_sys_id_variable(i, "product", &joydev.product_id);
 319         read_sys_id_variable(i, "bustype", &joydev.bus_type);
 320
 321         if (joydev.vendor_id == 0 || joydev.product_id == 0)
 322         {
 323             joydev.guid_product = DInput_Wine_Joystick_GUID;
 324         }
 325         else
 326         {
 327             /* Concatenate product_id with vendor_id to mimic Windows behaviour */
 328             joydev.guid_product       = DInput_PIDVID_Product_GUID;
 329             joydev.guid_product.Data1 = MAKELONG(joydev.vendor_id, joydev.product_id);
 330         }
 331
 332         close(fd);
 333
 334         if (!joystick_devices_count)
 335             new_joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 336         else
 337             new_joydevs = HeapReAlloc(GetProcessHeap(), 0, joystick_devices,
 338                                       (joystick_devices_count + 1) * sizeof(struct JoyDev));
 339         if (!new_joydevs) continue;
 340
 341         TRACE("Found a joystick on %s: %s\n  with %d axes and %d buttons\n", joydev.device,
 342               joydev.name, joydev.axis_count, joydev.button_count);
 343
 344         joystick_devices = new_joydevs;
 345         joystick_devices[joystick_devices_count++] = joydev;
 346     }
 347
 348     return joystick_devices_count;
 349 }
 350
 351 static void fill_joystick_dideviceinstanceW(LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 352 {
 353     DWORD dwSize = lpddi->dwSize;
 354
 355     TRACE("%d %p\n", dwSize, lpddi);
 356     memset(lpddi, 0, dwSize);
 357
 358     /* Return joystick */
 359     lpddi->dwSize = dwSize;
 360     lpddi->guidInstance = DInput_Wine_Joystick_GUID;
 361     lpddi->guidInstance.Data3 = id;
 362     lpddi->guidProduct = joystick_devices[id].guid_product;
 363     lpddi->dwDevType = get_device_type(version, joystick_devices[id].is_joystick);
 364
 365     /* Assume the joystick as HID if it is attached to USB bus and has a valid VID/PID */
 366     if (joystick_devices[id].bus_type == BUS_USB &&
 367         joystick_devices[id].vendor_id && joystick_devices[id].product_id)
 368     {
 369         lpddi->dwDevType |= DIDEVTYPE_HID;
 370         lpddi->wUsagePage = 0x01; /* Desktop */
 371         if (joystick_devices[id].is_joystick)
 372             lpddi->wUsage = 0x04; /* Joystick */
 373         else
 374             lpddi->wUsage = 0x05; /* Game Pad */
 375     }
 376
 377     MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 378     MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszProductName, MAX_PATH);
 379     lpddi->guidFFDriver = GUID_NULL;
 380 }
 381
 382 static void fill_joystick_dideviceinstanceA(LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 383 {
 384     DIDEVICEINSTANCEW lpddiW;
 385     DWORD dwSize = lpddi->dwSize;
 386
 387     lpddiW.dwSize = sizeof(lpddiW);
 388     fill_joystick_dideviceinstanceW(&lpddiW, version, id);
 389
 390     TRACE("%d %p\n", dwSize, lpddi);
 391     memset(lpddi, 0, dwSize);
 392
 393     /* Convert W->A */
 394     lpddi->dwSize = dwSize;
 395     lpddi->guidInstance = lpddiW.guidInstance;
 396     lpddi->guidProduct = lpddiW.guidProduct;
 397     lpddi->dwDevType = lpddiW.dwDevType;
 398     strcpy(lpddi->tszInstanceName, joystick_devices[id].name);
 399     strcpy(lpddi->tszProductName,  joystick_devices[id].name);
 400     lpddi->guidFFDriver = lpddiW.guidFFDriver;
 401     lpddi->wUsagePage = lpddiW.wUsagePage;
 402     lpddi->wUsage = lpddiW.wUsage;
 403 }
 404
 405 static HRESULT joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 406 {
 407     int fd = -1;
 408
 409     if (id >= find_joystick_devices()) return E_FAIL;
 410
 411     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 412         WARN("force feedback not supported\n");
 413         return S_FALSE;
 414     }
 415
 416     if ((dwDevType == 0) ||
 417         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version >= 0x0300 && version < 0x0800)) ||
 418         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 419         /* check whether we have a joystick */
 420         if ((fd = open(joystick_devices[id].device, O_RDONLY)) == -1)
 421         {
 422             WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
 423             return S_FALSE;
 424         }
 425         fill_joystick_dideviceinstanceA( lpddi, version, id );
 426         close(fd);
 427         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
 428         return S_OK;
 429     }
 430
 431     return S_FALSE;
 432 }
 433
 434 static HRESULT joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 435 {
 436     int fd = -1;
 437
 438     if (id >= find_joystick_devices()) return E_FAIL;
 439
 440     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 441         WARN("force feedback not supported\n");
 442         return S_FALSE;
 443     }
 444
 445     if ((dwDevType == 0) ||
 446         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version >= 0x0300 && version < 0x0800)) ||
 447         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 448         /* check whether we have a joystick */
 449         if ((fd = open(joystick_devices[id].device, O_RDONLY)) == -1)
 450         {
 451             WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
 452             return S_FALSE;
 453         }
 454         fill_joystick_dideviceinstanceW( lpddi, version, id );
 455         close(fd);
 456         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
 457         return S_OK;
 458     }
 459
 460     return S_FALSE;
 461 }
 462
 463 static HRESULT alloc_device(REFGUID rguid, IDirectInputImpl *dinput,
 464                             JoystickImpl **pdev, unsigned short index)
 465 {
 466     DWORD i;
 467     JoystickImpl* newDevice;
 468     HRESULT hr;
 469     LPDIDATAFORMAT df = NULL;
 470     int idx = 0;
 471     DIDEVICEINSTANCEW ddi;
 472
 473     TRACE("%s %p %p %hu\n", debugstr_guid(rguid), dinput, pdev, index);
 474
 475     newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
 476     if (newDevice == 0) {
 477         WARN("out of memory\n");
 478         *pdev = 0;
 479         return DIERR_OUTOFMEMORY;
 480     }
 481
 482     newDevice->joydev = &joystick_devices[index];
 483     newDevice->joyfd = -1;
 484     newDevice->generic.guidInstance = DInput_Wine_Joystick_GUID;
 485     newDevice->generic.guidInstance.Data3 = index;
 486     newDevice->generic.guidProduct = DInput_Wine_Joystick_GUID;
 487     newDevice->generic.joy_polldev = joy_polldev;
 488     newDevice->generic.name        = newDevice->joydev->name;
 489     newDevice->generic.device_axis_count = newDevice->joydev->axis_count;
 490     newDevice->generic.devcaps.dwButtons = newDevice->joydev->button_count;
 491
 492     if (newDevice->generic.devcaps.dwButtons > 128)
 493     {
 494         WARN("Can't support %d buttons. Clamping down to 128\n", newDevice->generic.devcaps.dwButtons);
 495         newDevice->generic.devcaps.dwButtons = 128;
 496     }
 497
 498     newDevice->generic.base.IDirectInputDevice8A_iface.lpVtbl = &JoystickAvt;
 499     newDevice->generic.base.IDirectInputDevice8W_iface.lpVtbl = &JoystickWvt;
 500     newDevice->generic.base.ref = 1;
 501     newDevice->generic.base.dinput = dinput;
 502     newDevice->generic.base.guid = *rguid;
 503     InitializeCriticalSection(&newDevice->generic.base.crit);
 504     newDevice->generic.base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->generic.base.crit");
 505
 506     /* setup_dinput_options may change these */
 507     newDevice->generic.deadzone = 0;
 508
 509     /* do any user specified configuration */
 510     hr = setup_dinput_options(&newDevice->generic, newDevice->joydev->dev_axes_map);
 511     if (hr != DI_OK)
 512         goto FAILED1;
 513
 514     /* Create copy of default data format */
 515     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto FAILED;
 516     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 517
 518     df->dwNumObjs = newDevice->generic.devcaps.dwAxes + newDevice->generic.devcaps.dwPOVs + newDevice->generic.devcaps.dwButtons;
 519     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto FAILED;
 520
 521     for (i = 0; i < newDevice->generic.device_axis_count; i++)
 522     {
 523         int wine_obj = newDevice->generic.axis_map[i];
 524
 525         if (wine_obj < 0) continue;
 526
 527         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[wine_obj], df->dwObjSize);
 528         if (wine_obj < 8)
 529             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj) | DIDFT_ABSAXIS;
 530         else
 531         {
 532             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj - 8) | DIDFT_POV;
 533             i++; /* POV takes 2 axes */
 534         }
 535     }
 536     for (i = 0; i < newDevice->generic.devcaps.dwButtons; i++)
 537     {
 538         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + 12], df->dwObjSize);
 539         df->rgodf[idx  ].pguid = &GUID_Button;
 540         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_PSHBUTTON;
 541     }
 542     newDevice->generic.base.data_format.wine_df = df;
 543
 544     /* initialize default properties */
 545     for (i = 0; i < c_dfDIJoystick2.dwNumObjs; i++) {
 546         newDevice->generic.props[i].lDevMin = -32767;
 547         newDevice->generic.props[i].lDevMax = +32767;
 548         newDevice->generic.props[i].lMin = 0;
 549         newDevice->generic.props[i].lMax = 0xffff;
 550         newDevice->generic.props[i].lDeadZone = newDevice->generic.deadzone; /* % * 1000 */
 551         newDevice->generic.props[i].lSaturation = 0;
 552     }
 553
 554     IDirectInput_AddRef(&newDevice->generic.base.dinput->IDirectInput7A_iface);
 555
 556     EnterCriticalSection(&dinput->crit);
 557     list_add_tail(&dinput->devices_list, &newDevice->generic.base.entry);
 558     LeaveCriticalSection(&dinput->crit);
 559
 560     newDevice->generic.devcaps.dwSize = sizeof(newDevice->generic.devcaps);
 561     newDevice->generic.devcaps.dwFlags = DIDC_ATTACHED;
 562
 563     ddi.dwSize = sizeof(ddi);
 564     fill_joystick_dideviceinstanceW(&ddi, newDevice->generic.base.dinput->dwVersion, index);
 565     newDevice->generic.devcaps.dwDevType = ddi.dwDevType;
 566
 567     newDevice->generic.devcaps.dwFFSamplePeriod = 0;
 568     newDevice->generic.devcaps.dwFFMinTimeResolution = 0;
 569     newDevice->generic.devcaps.dwFirmwareRevision = 0;
 570     newDevice->generic.devcaps.dwHardwareRevision = 0;
 571     newDevice->generic.devcaps.dwFFDriverVersion = 0;
 572
 573     if (TRACE_ON(dinput)) {
 574         _dump_DIDATAFORMAT(newDevice->generic.base.data_format.wine_df);
 575        for (i = 0; i < (newDevice->generic.device_axis_count); i++)
 576            TRACE("axis_map[%d] = %d\n", i, newDevice->generic.axis_map[i]);
 577         _dump_DIDEVCAPS(&newDevice->generic.devcaps);
 578     }
 579
 580     *pdev = newDevice;
 581
 582     return DI_OK;
 583
 584 FAILED:
 585     hr = DIERR_OUTOFMEMORY;
 586 FAILED1:
 587     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 588     HeapFree(GetProcessHeap(), 0, df);
 589     release_DataFormat(&newDevice->generic.base.data_format);
 590     HeapFree(GetProcessHeap(),0,newDevice->generic.axis_map);
 591     HeapFree(GetProcessHeap(),0,newDevice);
 592     *pdev = 0;
 593
 594     return hr;
 595 }
 596
 597 /******************************************************************************
 598   *     get_joystick_index : Get the joystick index from a given GUID
 599   */
 600 static unsigned short get_joystick_index(REFGUID guid)
 601 {
 602     GUID wine_joystick = DInput_Wine_Joystick_GUID;
 603     GUID dev_guid = *guid;
 604
 605     wine_joystick.Data3 = 0;
 606     dev_guid.Data3 = 0;
 607
 608     /* for the standard joystick GUID use index 0 */
 609     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
 610
 611     /* for the wine joystick GUIDs use the index stored in Data3 */
 612     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3;
 613
 614     return MAX_JOYSTICKS;
 615 }
 616
 617 static HRESULT joydev_create_device(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPVOID *pdev, int unicode)
 618 {
 619     unsigned short index;
 620
 621     TRACE("%p %s %s %p %i\n", dinput, debugstr_guid(rguid), debugstr_guid(riid), pdev, unicode);
 622     find_joystick_devices();
 623     *pdev = NULL;
 624
 625     if ((index = get_joystick_index(rguid)) < MAX_JOYSTICKS &&
 626         joystick_devices_count && index < joystick_devices_count)
 627     {
 628         JoystickImpl *This;
 629         HRESULT hr;
 630
 631         if (riid == NULL)
 632             ;/* nothing */
 633         else if (IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
 634                  IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
 635                  IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
 636                  IsEqualGUID(&IID_IDirectInputDevice8A, riid))
 637         {
 638             unicode = 0;
 639         }
 640         else if (IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
 641                  IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
 642                  IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
 643                  IsEqualGUID(&IID_IDirectInputDevice8W, riid))
 644         {
 645             unicode = 1;
 646         }
 647         else
 648         {
 649             WARN("no interface\n");
 650             return DIERR_NOINTERFACE;
 651         }
 652
 653         hr = alloc_device(rguid, dinput, &This, index);
 654         if (!This) return hr;
 655
 656         if (unicode)
 657             *pdev = &This->generic.base.IDirectInputDevice8W_iface;
 658         else
 659             *pdev = &This->generic.base.IDirectInputDevice8A_iface;
 660
 661         return hr;
 662     }
 663
 664     return DIERR_DEVICENOTREG;
 665 }
 666
 667 #undef MAX_JOYSTICKS
 668
 669 const struct dinput_device joystick_linux_device = {
 670   "Wine Linux joystick driver",
 671   joydev_enum_deviceA,
 672   joydev_enum_deviceW,
 673   joydev_create_device
 674 };
 675
 676 /******************************************************************************
 677   *     Acquire : gets exclusive control of the joystick
 678   */
 679 static HRESULT WINAPI JoystickLinuxWImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
 680 {
 681     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 682     HRESULT res;
 683
 684     TRACE("(%p)\n",This);
 685
 686     res = IDirectInputDevice2WImpl_Acquire(iface);
 687     if (res != DI_OK)
 688         return res;
 689
 690     /* open the joystick device */
 691     if (This->joyfd==-1) {
 692         TRACE("opening joystick device %s\n", This->joydev->device);
 693
 694         This->joyfd = open(This->joydev->device, O_RDONLY);
 695         if (This->joyfd==-1) {
 696             ERR("open(%s) failed: %s\n", This->joydev->device, strerror(errno));
 697             IDirectInputDevice2WImpl_Unacquire(iface);
 698             return DIERR_NOTFOUND;
 699         }
 700     }
 701
 702     return DI_OK;
 703 }
 704
 705 static HRESULT WINAPI JoystickLinuxAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 706 {
 707     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 708     return JoystickLinuxWImpl_Acquire(IDirectInputDevice8W_from_impl(This));
 709 }
 710
 711 /******************************************************************************
 712   *     GetProperty : get input device properties
 713   */
 714 static HRESULT WINAPI JoystickLinuxWImpl_GetProperty(LPDIRECTINPUTDEVICE8W iface, REFGUID rguid, LPDIPROPHEADER pdiph)
 715 {
 716     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 717
 718     TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(rguid), pdiph);
 719     _dump_DIPROPHEADER(pdiph);
 720
 721     if (!IS_DIPROP(rguid)) return DI_OK;
 722
 723     switch (LOWORD(rguid)) {
 724
 725         case (DWORD_PTR) DIPROP_VIDPID:
 726         {
 727             LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 728
 729             if (!This->joydev->product_id || !This->joydev->vendor_id)
 730                 return DIERR_UNSUPPORTED;
 731             pd->dwData = MAKELONG(This->joydev->vendor_id, This->joydev->product_id);
 732             TRACE("DIPROP_VIDPID(%08x)\n", pd->dwData);
 733             break;
 734         }
 735         case (DWORD_PTR) DIPROP_JOYSTICKID:
 736         {
 737             LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 738
 739             pd->dwData = get_joystick_index(&This->generic.base.guid);
 740             TRACE("DIPROP_JOYSTICKID(%d)\n", pd->dwData);
 741             break;
 742         }
 743
 744         case (DWORD_PTR) DIPROP_GUIDANDPATH:
 745         {
 746             static const WCHAR formatW[] = {'\\','\\','?','\\','h','i','d','#','v','i','d','_','%','0','4','x','&',
 747                                             'p','i','d','_','%','0','4','x','&','%','s','_','%','h','u',0};
 748             static const WCHAR miW[] = {'m','i',0};
 749             static const WCHAR igW[] = {'i','g',0};
 750
 751             BOOL is_gamepad;
 752             LPDIPROPGUIDANDPATH pd = (LPDIPROPGUIDANDPATH)pdiph;
 753             WORD vid = This->joydev->vendor_id;
 754             WORD pid = This->joydev->product_id;
 755
 756             if (!pid || !vid)
 757                 return DIERR_UNSUPPORTED;
 758
 759             is_gamepad = is_xinput_device(&This->generic.devcaps, vid, pid);
 760             pd->guidClass = GUID_DEVCLASS_HIDCLASS;
 761             sprintfW(pd->wszPath, formatW, vid, pid, is_gamepad ? igW : miW, get_joystick_index(&This->generic.base.guid));
 762
 763             TRACE("DIPROP_GUIDANDPATH(%s, %s): returning fake path\n", debugstr_guid(&pd->guidClass), debugstr_w(pd->wszPath));
 764             break;
 765         }
 766
 767     default:
 768         return JoystickWGenericImpl_GetProperty(iface, rguid, pdiph);
 769     }
 770
 771     return DI_OK;
 772 }
 773
 774 static HRESULT WINAPI JoystickLinuxAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface, REFGUID rguid, LPDIPROPHEADER pdiph)
 775 {
 776     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 777     return JoystickLinuxWImpl_GetProperty(IDirectInputDevice8W_from_impl(This), rguid, pdiph);
 778 }
 779
 780 /******************************************************************************
 781   *     GetDeviceInfo : get information about a device's identity
 782   */
 783 static HRESULT WINAPI JoystickLinuxAImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8A iface, LPDIDEVICEINSTANCEA ddi)
 784 {
 785     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 786
 787     TRACE("(%p) %p\n", This, ddi);
 788
 789     if (ddi == NULL) return E_POINTER;
 790     if ((ddi->dwSize != sizeof(DIDEVICEINSTANCE_DX3A)) &&
 791         (ddi->dwSize != sizeof(DIDEVICEINSTANCEA)))
 792         return DIERR_INVALIDPARAM;
 793
 794     fill_joystick_dideviceinstanceA( ddi, This->generic.base.dinput->dwVersion,
 795                                      get_joystick_index(&This->generic.base.guid) );
 796     return DI_OK;
 797 }
 798
 799 static HRESULT WINAPI JoystickLinuxWImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8W iface, LPDIDEVICEINSTANCEW ddi)
 800 {
 801     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 802
 803     TRACE("(%p) %p\n", This, ddi);
 804
 805     if (ddi == NULL) return E_POINTER;
 806     if ((ddi->dwSize != sizeof(DIDEVICEINSTANCE_DX3W)) &&
 807         (ddi->dwSize != sizeof(DIDEVICEINSTANCEW)))
 808         return DIERR_INVALIDPARAM;
 809
 810     fill_joystick_dideviceinstanceW( ddi, This->generic.base.dinput->dwVersion,
 811                                      get_joystick_index(&This->generic.base.guid) );
 812     return DI_OK;
 813 }
 814
 815 /******************************************************************************
 816   *     Unacquire : frees the joystick
 817   */
 818 static HRESULT WINAPI JoystickLinuxWImpl_Unacquire(LPDIRECTINPUTDEVICE8W iface)
 819 {
 820     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 821     HRESULT res;
 822
 823     TRACE("(%p)\n",This);
 824
 825     res = IDirectInputDevice2WImpl_Unacquire(iface);
 826
 827     if (res != DI_OK)
 828         return res;
 829
 830     if (This->joyfd!=-1) {
 831         TRACE("closing joystick device\n");
 832         close(This->joyfd);
 833         This->joyfd = -1;
 834         return DI_OK;
 835     }
 836
 837     return DI_NOEFFECT;
 838 }
 839
 840 static HRESULT WINAPI JoystickLinuxAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 841 {
 842     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 843     return JoystickLinuxWImpl_Unacquire(IDirectInputDevice8W_from_impl(This));
 844 }
 845
 846 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface)
 847 {
 848     struct pollfd plfd;
 849     struct js_event jse;
 850     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 851
 852     TRACE("(%p)\n", This);
 853
 854     if (This->joyfd==-1) {
 855         WARN("no device\n");
 856         return;
 857     }
 858     while (1)
 859     {
 860         LONG value;
 861         int inst_id = -1;
 862
 863         plfd.fd = This->joyfd;
 864         plfd.events = POLLIN;
 865         if (poll(&plfd,1,0) != 1)
 866             return;
 867         /* we have one event, so we can read */
 868         if (sizeof(jse)!=read(This->joyfd,&jse,sizeof(jse))) {
 869             return;
 870         }
 871         TRACE("js_event: type 0x%x, number %d, value %d\n",
 872               jse.type,jse.number,jse.value);
 873         if (jse.type & JS_EVENT_BUTTON)
 874         {
 875             int button;
 876             if (jse.number >= This->generic.devcaps.dwButtons) return;
 877
 878             button = This->generic.button_map[jse.number];
 879
 880             inst_id = DIDFT_MAKEINSTANCE(button) | DIDFT_PSHBUTTON;
 881             This->generic.js.rgbButtons[button] = value = jse.value ? 0x80 : 0x00;
 882         }
 883         else if (jse.type & JS_EVENT_AXIS)
 884         {
 885             int number = This->generic.axis_map[jse.number];    /* wine format object index */
 886
 887             if (number < 0) return;
 888             inst_id = number < 8 ?  DIDFT_MAKEINSTANCE(number) | DIDFT_ABSAXIS :
 889                                     DIDFT_MAKEINSTANCE(number - 8) | DIDFT_POV;
 890             value = joystick_map_axis(&This->generic.props[id_to_object(This->generic.base.data_format.wine_df, inst_id)], jse.value);
 891
 892             TRACE("changing axis %d => %d\n", jse.number, number);
 893             switch (number)
 894             {
 895                 case 0: This->generic.js.lX  = value; break;
 896                 case 1: This->generic.js.lY  = value; break;
 897                 case 2: This->generic.js.lZ  = value; break;
 898                 case 3: This->generic.js.lRx = value; break;
 899                 case 4: This->generic.js.lRy = value; break;
 900                 case 5: This->generic.js.lRz = value; break;
 901                 case 6: This->generic.js.rglSlider[0] = value; break;
 902                 case 7: This->generic.js.rglSlider[1] = value; break;
 903                 case 8: case 9: case 10: case 11:
 904                 {
 905                     int idx = number - 8;
 906
 907                     if (jse.number % 2)
 908                         This->povs[idx].y = jse.value;
 909                     else
 910                         This->povs[idx].x = jse.value;
 911
 912                     This->generic.js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 913                     break;
 914                 }
 915                 default:
 916                     WARN("axis %d not supported\n", number);
 917             }
 918         }
 919         if (inst_id >= 0)
 920             queue_event(iface, inst_id, value, GetCurrentTime(), This->generic.base.dinput->evsequence++);
 921     }
 922 }
 923
 924 static const IDirectInputDevice8AVtbl JoystickAvt =
 925 {
 926         IDirectInputDevice2AImpl_QueryInterface,
 927         IDirectInputDevice2AImpl_AddRef,
 928         IDirectInputDevice2AImpl_Release,
 929         JoystickAGenericImpl_GetCapabilities,
 930         IDirectInputDevice2AImpl_EnumObjects,
 931         JoystickLinuxAImpl_GetProperty,
 932         JoystickAGenericImpl_SetProperty,
 933         JoystickLinuxAImpl_Acquire,
 934         JoystickLinuxAImpl_Unacquire,
 935         JoystickAGenericImpl_GetDeviceState,
 936         IDirectInputDevice2AImpl_GetDeviceData,
 937         IDirectInputDevice2AImpl_SetDataFormat,
 938         IDirectInputDevice2AImpl_SetEventNotification,
 939         IDirectInputDevice2AImpl_SetCooperativeLevel,
 940         JoystickAGenericImpl_GetObjectInfo,
 941         JoystickLinuxAImpl_GetDeviceInfo,
 942         IDirectInputDevice2AImpl_RunControlPanel,
 943         IDirectInputDevice2AImpl_Initialize,
 944         IDirectInputDevice2AImpl_CreateEffect,
 945         IDirectInputDevice2AImpl_EnumEffects,
 946         IDirectInputDevice2AImpl_GetEffectInfo,
 947         IDirectInputDevice2AImpl_GetForceFeedbackState,
 948         IDirectInputDevice2AImpl_SendForceFeedbackCommand,
 949         IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
 950         IDirectInputDevice2AImpl_Escape,
 951         JoystickAGenericImpl_Poll,
 952         IDirectInputDevice2AImpl_SendDeviceData,
 953         IDirectInputDevice7AImpl_EnumEffectsInFile,
 954         IDirectInputDevice7AImpl_WriteEffectToFile,
 955         JoystickAGenericImpl_BuildActionMap,
 956         JoystickAGenericImpl_SetActionMap,
 957         IDirectInputDevice8AImpl_GetImageInfo
 958 };
 959
 960 static const IDirectInputDevice8WVtbl JoystickWvt =
 961 {
 962     IDirectInputDevice2WImpl_QueryInterface,
 963     IDirectInputDevice2WImpl_AddRef,
 964     IDirectInputDevice2WImpl_Release,
 965     JoystickWGenericImpl_GetCapabilities,
 966     IDirectInputDevice2WImpl_EnumObjects,
 967     JoystickLinuxWImpl_GetProperty,
 968     JoystickWGenericImpl_SetProperty,
 969     JoystickLinuxWImpl_Acquire,
 970     JoystickLinuxWImpl_Unacquire,
 971     JoystickWGenericImpl_GetDeviceState,
 972     IDirectInputDevice2WImpl_GetDeviceData,
 973     IDirectInputDevice2WImpl_SetDataFormat,
 974     IDirectInputDevice2WImpl_SetEventNotification,
 975     IDirectInputDevice2WImpl_SetCooperativeLevel,
 976     JoystickWGenericImpl_GetObjectInfo,
 977     JoystickLinuxWImpl_GetDeviceInfo,
 978     IDirectInputDevice2WImpl_RunControlPanel,
 979     IDirectInputDevice2WImpl_Initialize,
 980     IDirectInputDevice2WImpl_CreateEffect,
 981     IDirectInputDevice2WImpl_EnumEffects,
 982     IDirectInputDevice2WImpl_GetEffectInfo,
 983     IDirectInputDevice2WImpl_GetForceFeedbackState,
 984     IDirectInputDevice2WImpl_SendForceFeedbackCommand,
 985     IDirectInputDevice2WImpl_EnumCreatedEffectObjects,
 986     IDirectInputDevice2WImpl_Escape,
 987     JoystickWGenericImpl_Poll,
 988     IDirectInputDevice2WImpl_SendDeviceData,
 989     IDirectInputDevice7WImpl_EnumEffectsInFile,
 990     IDirectInputDevice7WImpl_WriteEffectToFile,
 991     JoystickWGenericImpl_BuildActionMap,
 992     JoystickWGenericImpl_SetActionMap,
 993     IDirectInputDevice8WImpl_GetImageInfo
 994 };
 995
 996 #else  /* HAVE_LINUX_22_JOYSTICK_API */
 997
 998 const struct dinput_device joystick_linux_device = {
 999   "Wine Linux joystick driver",
1000   NULL,
1001   NULL,
1002   NULL
1003 };
1004
1005 #endif  /* HAVE_LINUX_22_JOYSTICK_API */