git.oblomov.eu Git - xorg/acecad/blob - src/acecad.c

   1 /*
   2  * Copyright (c) 2001 Edouard TISSERANT <tissered@esstin.u-nancy.fr>
   3  * Parts inspired from Shane Watts <shane@bofh.asn.au> XFree86 3 Acecad Driver
   4  * Thanks to Emily, from AceCad, For giving me documents.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  20  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  21  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  *
  25  */
  26
  27 #include "config.h"
  28
  29 #include <xorgVersion.h>
  30 #define XORG_VERSION_BOTCHED XORG_VERSION_NUMERIC(1,4,0,0,0)
  31 #if XORG_VERSION_CURRENT >= XORG_VERSION_BOTCHED
  32 #define XORG_BOTCHED_INPUT 1
  33 #else
  34 #define XORG_BOTCHED_INPUT 0
  35 #endif
  36
  37 /*****************************************************************************
  38  *      Standard Headers
  39  ****************************************************************************/
  40
  41 #ifdef LINUX_INPUT
  42 #include <asm/types.h>
  43 #include <linux/input.h>
  44 #ifndef EV_SYN
  45 #define EV_SYN EV_RST
  46 #define SYN_REPORT 0
  47 #endif
  48 #ifdef BUS_PCI
  49 #undef BUS_PCI
  50 #endif
  51 #ifdef BUS_ISA
  52 #undef BUS_ISA
  53 #endif
  54 #endif
  55
  56 #include <misc.h>
  57 #include <xf86.h>
  58 #ifndef NEED_XF86_TYPES
  59 #define NEED_XF86_TYPES
  60 #endif
  61 #include <xf86_OSproc.h>
  62 #include <xisb.h>
  63 #include <xf86Xinput.h>
  64 #include <exevents.h>
  65 #include <xf86Module.h>
  66
  67 #include <string.h>
  68 #include <stdio.h>
  69
  70 #include <errno.h>
  71 #ifdef LINUX_INPUT
  72 #include <fcntl.h>
  73 #ifdef LINUX_SYSFS
  74 #include <sysfs/libsysfs.h>
  75 #include <dlfcn.h>
  76 #endif
  77 #endif
  78
  79 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
  80 #include <X11/Xatom.h>
  81 #include <xserver-properties.h>
  82 #endif
  83
  84 /* Previously found in xf86Xinput.h */
  85 #ifdef DBG
  86 #undef DBG
  87 #endif
  88 #define DBG(lvl, f) {if ((lvl) <= xf86GetVerbosity()) f;}
  89
  90 /*****************************************************************************
  91  *      Local Headers
  92  ****************************************************************************/
  93 #include "acecad.h"
  94
  95 /*****************************************************************************
  96  *      Variables without includable headers
  97  ****************************************************************************/
  98
  99 /*****************************************************************************
 100  *      Local Variables
 101  ****************************************************************************/
 102
 103 #undef read
 104 #define read(a,b,c) xf86ReadSerial((a),(b),(c))
 105
 106 /* max number of input events to read in one read call */
 107 #define MAX_EVENTS 50
 108
 109 _X_EXPORT InputDriverRec ACECAD =
 110 {
 111         1,
 112         "acecad",
 113         NULL,
 114         AceCadPreInit,
 115         NULL,
 116         NULL,
 117         0
 118 };
 119
 120 static XF86ModuleVersionInfo VersionRec =
 121 {
 122         "acecad",
 123         MODULEVENDORSTRING,
 124         MODINFOSTRING1,
 125         MODINFOSTRING2,
 126         XORG_VERSION_CURRENT,
 127         PACKAGE_VERSION_MAJOR, PACKAGE_VERSION_MINOR, PACKAGE_VERSION_PATCHLEVEL,
 128         ABI_CLASS_XINPUT,
 129         ABI_XINPUT_VERSION,
 130         MOD_CLASS_XINPUT,
 131         {0, 0, 0, 0}
 132 };
 133
 134
 135 _X_EXPORT XF86ModuleData acecadModuleData = {
 136         &VersionRec,
 137         SetupProc,
 138         TearDownProc
 139 };
 140
 141 /*****************************************************************************
 142  *      Function Definitions
 143  ****************************************************************************/
 144
 145 static pointer
 146 SetupProc(      pointer module,
 147                 pointer options,
 148                 int *errmaj,
 149                 int *errmin )
 150 {
 151         xf86AddInputDriver(&ACECAD, module, 0);
 152         return module;
 153 }
 154
 155 static void
 156 TearDownProc( pointer p )
 157 {
 158 }
 159
 160 static const char *default_options[] =
 161 {
 162         "BaudRate", "9600",
 163         "StopBits", "1",
 164         "DataBits", "8",
 165         "Parity", "Odd",
 166         "Vmin", "1",
 167         "Vtime", "10",
 168         "FlowControl", "Xoff",
 169         NULL
 170 };
 171
 172 #ifdef LINUX_INPUT
 173 static int
 174 IsUSBLine(int fd)
 175 {
 176     int version;
 177     int err;
 178
 179     SYSCALL(err = ioctl(fd, EVIOCGVERSION, &version));
 180
 181     if (!err) {
 182         xf86MsgVerb(X_PROBED, 4, "Kernel Input driver version is %d.%d.%d\n",
 183                 version >> 16, (version >> 8) & 0xff, version & 0xff);
 184         return 1;
 185     } else {
 186         xf86MsgVerb(X_PROBED, 4, "No Kernel Input driver found\n");
 187         return 0;
 188     }
 189 }
 190
 191 /* Heavily inspired by synaptics/eventcomm.c */
 192
 193 #define DEV_INPUT_EVENT "/dev/input/event"
 194 #define EV_DEV_NAME_MAXLEN 64
 195 #define SET_EVENT_NUM(str, num) \
 196     snprintf(str, EV_DEV_NAME_MAXLEN, "%s%d", DEV_INPUT_EVENT, num)
 197
 198 static Bool
 199 fd_query_acecad(int fd, char *ace_name) {
 200     char name[256] = "Unknown";
 201     int cmp_at = strlen(ace_name);
 202     if (cmp_at > 255)
 203         cmp_at = 255;
 204     ioctl(fd, EVIOCGNAME(sizeof(name)), name);
 205     name[cmp_at] = '\0';
 206     if (xf86NameCmp(name, ace_name) == 0)
 207         return TRUE;
 208     return FALSE;
 209 }
 210
 211 static char ace_name_default[7] = "acecad";
 212
 213 #ifdef LINUX_SYSFS
 214 static char usb_bus_name[4] = "usb";
 215 static char acecad_driver_name[11] = "usb_acecad";
 216 #endif
 217
 218 static Bool
 219 AceCadAutoDevProbe(LocalDevicePtr local, int verb)
 220 {
 221     /* We are trying to find the right eventX device */
 222     int i = 0;
 223     Bool have_evdev = FALSE;
 224     int noent_cnt = 0;
 225     const int max_skip = 10;
 226     char *ace_name = xf86FindOptionValue(local->options, "Name");
 227     char fname[EV_DEV_NAME_MAXLEN];
 228     int np;
 229
 230 #ifdef LINUX_SYSFS
 231     struct sysfs_bus *usb_bus = NULL;
 232     struct sysfs_driver *acecad_driver = NULL;
 233     struct sysfs_device *candidate = NULL;
 234     char *link = NULL;
 235     struct dlist *devs = NULL;
 236     struct dlist *links = NULL;
 237
 238     xf86MsgVerb(X_INFO, verb, "%s: querying sysfs for Acecad tablets\n", local->name);
 239     usb_bus = sysfs_open_bus(usb_bus_name);
 240     if (usb_bus) {
 241         xf86MsgVerb(X_PROBED, 4, "%s: usb bus opened\n", local->name);
 242         acecad_driver = sysfs_get_bus_driver(usb_bus, acecad_driver_name);
 243         if (acecad_driver) {
 244             xf86MsgVerb(X_PROBED, 4, "%s: usb_acecad driver opened\n", local->name);
 245             devs = sysfs_get_driver_devices(acecad_driver);
 246             if (devs) {
 247                 xf86MsgVerb(X_PROBED, 4, "%s: usb_acecad devices retrieved\n", local->name);
 248                 dlist_for_each_data(devs, candidate, struct sysfs_device) {
 249                     xf86MsgVerb(X_PROBED, 4, "%s: device %s at %s\n", local->name, candidate->name, candidate->path);
 250                     links = sysfs_open_link_list(candidate->path);
 251                     dlist_for_each_data(links, link, char) {
 252                         if (sscanf(link, "input:event%d", &i) == 1) {
 253                             xf86MsgVerb(X_PROBED, 4, "%s: device %s at %s: %s\n", local->name, candidate->name, candidate->path, link);
 254                             break;
 255                         }
 256                     }
 257                     sysfs_close_list(links);
 258                     if (i > 0) /* We found something */
 259                         break;
 260                 }
 261             } else
 262                 xf86MsgVerb(X_WARNING, 4, "%s: no usb_acecad devices found\n", local->name);
 263         } else
 264             xf86MsgVerb(X_WARNING, 4, "%s: usb_acecad driver not found\n", local->name);
 265     } else
 266         xf86MsgVerb(X_WARNING, 4, "%s: usb bus not found\n", local->name);
 267     sysfs_close_bus(usb_bus);
 268
 269     if (i > 0) {
 270         /* We found something */
 271         np = SET_EVENT_NUM(fname, i);
 272         if (np < 0 || np >= EV_DEV_NAME_MAXLEN) {
 273             xf86MsgVerb(X_WARNING, verb, "%s: unable to manage event device %d\n", local->name, i);
 274         } else {
 275             goto ProbeFound;
 276         }
 277     } else
 278         xf86MsgVerb(X_WARNING, verb, "%s: no Acecad devices found via sysfs\n", local->name);
 279
 280 #endif
 281
 282     if (!ace_name)
 283         ace_name = ace_name_default;
 284
 285     xf86MsgVerb(X_INFO, verb, "%s: probing event devices for Acecad tablets\n", local->name);
 286     for (i = 0; ; i++) {
 287         int fd = -1;
 288         Bool is_acecad;
 289
 290         np = SET_EVENT_NUM(fname, i);
 291         if (np < 0 || np >= EV_DEV_NAME_MAXLEN) {
 292             xf86MsgVerb(X_WARNING, verb, "%s: too many devices, giving up %d\n", local->name, i);
 293             break;
 294         }
 295         SYSCALL(fd = open(fname, O_RDONLY));
 296         if (fd < 0) {
 297             if (errno == ENOENT) {
 298                 if (++noent_cnt >= max_skip)
 299                     break;
 300                 else
 301                     continue;
 302             } else {
 303                 continue;
 304             }
 305         }
 306         noent_cnt = 0;
 307         have_evdev = TRUE;
 308         is_acecad = fd_query_acecad(fd, ace_name);
 309         SYSCALL(close(fd));
 310         if (is_acecad) {
 311             goto ProbeFound;
 312         }
 313     }
 314     xf86MsgVerb(X_WARNING, verb, "%s: no Acecad event device found (checked %d nodes, no device name started with '%s')\n",
 315             local->name, i + 1, ace_name);
 316     if (i <= max_skip)
 317         xf86MsgVerb(X_WARNING, verb, "%s: The /dev/input/event* device nodes seem to be missing\n",
 318                 local->name);
 319     if (i > max_skip && !have_evdev)
 320         xf86MsgVerb(X_WARNING, verb, "%s: The evdev kernel module seems to be missing\n", local->name);
 321     return FALSE;
 322
 323 ProbeFound:
 324     xf86Msg(X_PROBED, "%s auto-dev sets device to %s\n",
 325             local->name, fname);
 326     xf86ReplaceStrOption(local->options, "Device", fname);
 327     return TRUE;
 328 }
 329
 330 #endif
 331
 332 static InputInfoPtr
 333 AceCadPreInit(InputDriverPtr drv, IDevPtr dev, int flags)
 334 {
 335     LocalDevicePtr local = xf86AllocateInput(drv, 0);
 336     AceCadPrivatePtr priv = xcalloc (1, sizeof(AceCadPrivateRec));
 337     int speed;
 338     int msgtype;
 339     char *s;
 340
 341     if ((!local) || (!priv))
 342         goto SetupProc_fail;
 343
 344     memset(priv, 0, sizeof(AceCadPrivateRec));
 345
 346     local->name = dev->identifier;
 347     local->type_name = XI_TABLET;
 348     local->flags = XI86_POINTER_CAPABLE | XI86_SEND_DRAG_EVENTS;
 349 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) == 0
 350     local->motion_history_proc = xf86GetMotionEvents;
 351 #endif
 352     local->control_proc = NULL;
 353     local->close_proc = CloseProc;
 354     local->switch_mode = NULL;
 355     local->conversion_proc = ConvertProc;
 356     local->reverse_conversion_proc = ReverseConvertProc;
 357     local->dev = NULL;
 358     local->private = priv;
 359     local->private_flags = 0;
 360     local->conf_idev = dev;
 361     local->device_control = DeviceControl;
 362     /*local->always_core_feedback = 0;*/
 363
 364     xf86CollectInputOptions(local, default_options, NULL);
 365
 366     xf86OptionListReport(local->options);
 367
 368     priv->acecadInc = xf86SetIntOption(local->options, "Increment", 0 );
 369
 370     s = xf86FindOptionValue(local->options, "Device");
 371     if (!s || (s && (xf86NameCmp(s, "auto-dev") == 0))) {
 372 #ifdef LINUX_INPUT
 373         priv->flags |= AUTODEV_FLAG;
 374         if (!AceCadAutoDevProbe(local, 0))
 375         {
 376             xf86Msg(X_ERROR, "%s: unable to find device\n", local->name);
 377             goto SetupProc_fail;
 378         }
 379 #else
 380         xf86Msg(X_NOT_IMPLEMENTED, "%s: device autodetection not implemented, sorry\n", local->name);
 381         goto SetupProc_fail;
 382 #endif
 383     }
 384
 385     local->fd = xf86OpenSerial (local->options);
 386     if (local->fd == -1)
 387     {
 388         xf86Msg(X_ERROR, "%s: unable to open device\n", local->name);
 389         goto SetupProc_fail;
 390     }
 391     xf86ErrorFVerb( 6, "tty port opened successfully\n" );
 392
 393 #ifdef LINUX_INPUT
 394     if (IsUSBLine(local->fd)) {
 395         priv->flags |= USB_FLAG;
 396
 397         local->read_input = USBReadInput;
 398
 399         if (USBQueryHardware(local) != Success)
 400         {
 401             xf86Msg(X_ERROR, "%s: unable to query/initialize hardware (not an %s?).\n", local->name, local->type_name);
 402             goto SetupProc_fail;
 403         }
 404     } else
 405 #endif
 406     {
 407         local->read_input = ReadInput;
 408
 409         msgtype = X_DEFAULT;
 410         if (xf86FindOptionValue(local->options, "ReportSpeed")) {
 411             msgtype = X_CONFIG;
 412             speed = xf86SetIntOption(local->options, "ReportSpeed", 85 );
 413         } else {
 414             speed = 85;
 415         }
 416
 417         switch (speed)
 418         {
 419             case 120:
 420                 priv->acecadReportSpeed = 'Q';
 421                 break;
 422             case 85:
 423                 priv->acecadReportSpeed = 'R';
 424                 break;
 425             case 10:
 426                 priv->acecadReportSpeed = 'S';
 427                 break;
 428             case 2:
 429                 priv->acecadReportSpeed = 'T';
 430                 break;
 431             default:
 432                 priv->acecadReportSpeed = 'R';
 433                 speed = 85;
 434                 xf86Msg(X_ERROR, "%s: ReportSpeed value %d invalid. Possible values: 120, 85, 10, 2. Defaulting to 85\n", local->name, speed);
 435                 msgtype = X_DEFAULT;
 436         }
 437
 438         xf86Msg(msgtype, "%s report %d points/s\n", local->name, speed);
 439
 440         priv->buffer = XisbNew (local->fd, 200);
 441
 442         /*
 443          * Verify that hardware is attached and fuctional
 444          */
 445         if (QueryHardware(priv) != Success)
 446         {
 447             xf86Msg(X_ERROR, "%s: unable to query/initialize hardware (not an %s?).\n", local->name, local->type_name);
 448             goto SetupProc_fail;
 449         }
 450     }
 451
 452     s = xf86FindOptionValue(local->options, "Mode");
 453     msgtype = s ? X_CONFIG : X_DEFAULT;
 454     if (!(s && (xf86NameCmp(s, "relative") == 0)))
 455     {
 456         priv->flags |= ABSOLUTE_FLAG;
 457     }
 458
 459     xf86Msg(msgtype, "%s is in %s mode\n", local->name, (priv->flags & ABSOLUTE_FLAG) ? "absolute" : "relative");
 460     DBG (9, XisbTrace (priv->buffer, 1));
 461
 462     local->history_size = xf86SetIntOption(local->options , "HistorySize", 0);
 463
 464     xf86ProcessCommonOptions(local, local->options);
 465
 466     local->flags |= XI86_CONFIGURED;
 467
 468     if (local->fd != -1)
 469     {
 470         RemoveEnabledDevice (local->fd);
 471         if (priv->buffer)
 472         {
 473             XisbFree(priv->buffer);
 474             priv->buffer = NULL;
 475         }
 476         xf86CloseSerial(local->fd);
 477     }
 478     RemoveEnabledDevice (local->fd);
 479     local->fd = -1;
 480     return local;
 481
 482     /*
 483      * If something went wrong, cleanup and return NULL
 484      */
 485 SetupProc_fail:
 486     if ((local) && (local->fd))
 487         xf86CloseSerial (local->fd);
 488     if ((priv) && (priv->buffer))
 489         XisbFree (priv->buffer);
 490     if (priv) {
 491         xfree (priv);
 492         if (local)
 493                 local->private = NULL;
 494     }
 495     xf86DeleteInput(local, 0);
 496     return NULL;
 497 }
 498
 499 static Bool
 500 DeviceControl (DeviceIntPtr dev, int mode)
 501 {
 502     Bool RetValue;
 503
 504     switch (mode)
 505     {
 506         case DEVICE_INIT:
 507             DeviceInit(dev);
 508             RetValue = Success;
 509             break;
 510         case DEVICE_ON:
 511             RetValue = DeviceOn(dev);
 512             break;
 513         case DEVICE_OFF:
 514             RetValue = DeviceOff(dev);
 515             break;
 516         case DEVICE_CLOSE:
 517             RetValue = DeviceClose(dev);
 518             break;
 519         default:
 520             RetValue = BadValue;
 521     }
 522
 523     return RetValue;
 524 }
 525
 526 static Bool
 527 DeviceOn (DeviceIntPtr dev)
 528 {
 529     char buffer[256];
 530     LocalDevicePtr local = (LocalDevicePtr) dev->public.devicePrivate;
 531     AceCadPrivatePtr priv = (AceCadPrivatePtr) (local->private);
 532
 533     xf86MsgVerb(X_INFO, 4, "%s Device On\n", local->name);
 534
 535     local->fd = xf86OpenSerial(local->options);
 536     if (local->fd == -1)
 537     {
 538         xf86Msg(X_WARNING, "%s: cannot open input device %s: %s\n", local->name, xf86FindOptionValue(local->options, "Device"), strerror(errno));
 539         priv->flags &= ~AVAIL_FLAG;
 540 #ifdef LINUX_INPUT
 541         if ((priv->flags & AUTODEV_FLAG) && AceCadAutoDevProbe(local, 4))
 542             local->fd = xf86OpenSerial(local->options);
 543         if (local->fd == -1)
 544 #endif
 545             return !Success;
 546     }
 547     priv->flags |= AVAIL_FLAG;
 548
 549
 550     if (!(priv->flags & USB_FLAG)) {
 551         priv->buffer = XisbNew(local->fd, 200);
 552         if (!priv->buffer)
 553         {
 554             xf86CloseSerial(local->fd);
 555             local->fd = -1;
 556             return !Success;
 557         }
 558
 559         /* Rets qu'a l'envoyer a la tablette */
 560         sprintf(buffer, "%s%c%c%c%c", acecad_initstr, priv->acecadReportSpeed, ACECAD_INCREMENT, 32 + priv->acecadInc, (priv->flags & ABSOLUTE_FLAG)? ACECAD_ABSOLUTE: ACECAD_RELATIVE);
 561         XisbWrite (priv->buffer, (unsigned char *)buffer, strlen(buffer));
 562     }
 563
 564     xf86FlushInput(local->fd);
 565     xf86AddEnabledDevice (local);
 566     dev->public.on = TRUE;
 567     return Success;
 568 }
 569
 570 static Bool
 571 DeviceOff (DeviceIntPtr dev)
 572 {
 573     LocalDevicePtr local = (LocalDevicePtr) dev->public.devicePrivate;
 574     AceCadPrivatePtr priv = (AceCadPrivatePtr) (local->private);
 575
 576     xf86MsgVerb(X_INFO, 4, "%s Device Off\n", local->name);
 577
 578     if (local->fd != -1)
 579     {
 580         RemoveEnabledDevice (local->fd);
 581         if (priv->buffer)
 582         {
 583             XisbFree(priv->buffer);
 584             priv->buffer = NULL;
 585         }
 586         xf86CloseSerial(local->fd);
 587     }
 588
 589
 590     xf86RemoveEnabledDevice (local);
 591     dev->public.on = FALSE;
 592     return Success;
 593 }
 594
 595 static Bool
 596 DeviceClose (DeviceIntPtr dev)
 597 {
 598     LocalDevicePtr local = (LocalDevicePtr) dev->public.devicePrivate;
 599
 600     xf86MsgVerb(X_INFO, 4, "%s Device Close\n", local->name);
 601
 602     return Success;
 603 }
 604
 605 static void
 606 ControlProc(DeviceIntPtr dev, PtrCtrl *ctrl)
 607 {
 608     LocalDevicePtr local = (LocalDevicePtr) dev->public.devicePrivate;
 609
 610     xf86MsgVerb(X_INFO, 4, "%s Control Proc\n", local->name);
 611 }
 612
 613 static Bool
 614 DeviceInit (DeviceIntPtr dev)
 615 {
 616     int rx, ry;
 617     LocalDevicePtr local = (LocalDevicePtr) dev->public.devicePrivate;
 618     AceCadPrivatePtr priv = (AceCadPrivatePtr) (local->private);
 619     unsigned char map[] = {0, 1, 2, 3};
 620 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
 621     Atom btn_labels[3];
 622     Atom axes_labels[3];
 623
 624     btn_labels[0] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_LEFT);
 625     btn_labels[1] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_MIDDLE);
 626     btn_labels[2] = XIGetKnownProperty(BTN_LABEL_PROP_BTN_RIGHT);
 627
 628     if ((priv->flags & ABSOLUTE_FLAG))
 629     {
 630         axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_X);
 631         axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_Y);
 632         axes_labels[2] = XIGetKnownProperty(AXIS_LABEL_PROP_ABS_PRESSURE);
 633     } else
 634     {
 635         axes_labels[0] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_X);
 636         axes_labels[1] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y);
 637         axes_labels[2] = XIGetKnownProperty(AXIS_LABEL_PROP_REL_Z);
 638     }
 639 #endif
 640
 641     xf86MsgVerb(X_INFO, 4, "%s Init\n", local->name);
 642
 643     /* 3 boutons */
 644     if (InitButtonClassDeviceStruct (dev, 3,
 645 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
 646                 btn_labels,
 647 #endif
 648                 map) == FALSE)
 649     {
 650         xf86Msg(X_ERROR, "%s: unable to allocate ButtonClassDeviceStruct\n", local->name);
 651         return !Success;
 652     }
 653
 654     if (InitFocusClassDeviceStruct (dev) == FALSE)
 655     {
 656         xf86Msg(X_ERROR, "%s: unable to allocate FocusClassDeviceStruct\n", local->name);
 657         return !Success;
 658     }
 659
 660     if (InitPtrFeedbackClassDeviceStruct(dev, ControlProc) == FALSE) {
 661         xf86Msg(X_ERROR, "%s: unable to init ptr feedback\n", local->name);
 662         return !Success;
 663     }
 664
 665
 666     /* 3 axes */
 667     if (InitValuatorClassDeviceStruct (dev, 3,
 668 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
 669                 axes_labels,
 670 #endif
 671 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 3
 672                 xf86GetMotionEvents,
 673 #endif
 674                 local->history_size,
 675                 ((priv->flags & ABSOLUTE_FLAG)? Absolute: Relative)|OutOfProximity)
 676             == FALSE)
 677     {
 678         xf86Msg(X_ERROR, "%s: unable to allocate ValuatorClassDeviceStruct\n", local->name);
 679         return !Success;
 680     }
 681     else
 682     {
 683
 684         InitValuatorAxisStruct(dev,
 685                 0,
 686 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
 687                 axes_labels[0],
 688 #endif
 689                 0,                      /* min val */
 690 #if XORG_BOTCHED_INPUT
 691                 screenInfo.screens[0]->width,
 692 #else
 693                 priv->acecadMaxX,       /* max val */
 694 #endif
 695                 1000,                   /* resolution */
 696                 0,                      /* min_res */
 697                 1000);                  /* max_res */
 698         InitValuatorAxisStruct(dev,
 699                 1,
 700 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
 701                 axes_labels[1],
 702 #endif
 703                 0,                      /* min val */
 704 #if XORG_BOTCHED_INPUT
 705                 screenInfo.screens[0]->height,
 706 #else
 707                 priv->acecadMaxY,       /* max val */
 708 #endif
 709                 1000,                   /* resolution */
 710                 0,                      /* min_res */
 711                 1000);                  /* max_res */
 712         InitValuatorAxisStruct(dev,
 713                 2,
 714 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
 715                 axes_labels[2],
 716 #endif
 717                 0,                      /* min val */
 718                 priv->acecadMaxZ,       /* max val */
 719                 1000,                   /* resolution */
 720                 0,                      /* min_res */
 721                 1000);          /* max_res */
 722
 723     }
 724
 725     if (InitProximityClassDeviceStruct (dev) == FALSE)
 726     {
 727         xf86Msg(X_ERROR, "%s: unable to allocate ProximityClassDeviceStruct\n", local->name);
 728         return !Success;
 729     }
 730
 731     xf86MotionHistoryAllocate (local);
 732
 733
 734     /* On ne peut pas calculer l'increment avant, faute d'ecran pour
 735        connaitre la taille... */
 736
 737     if (priv->acecadInc > 95)
 738         priv->acecadInc = 95;
 739     if (priv->acecadInc < 1)
 740     {
 741         /* guess the best increment value given video mode */
 742         rx = priv->acecadMaxX / screenInfo.screens[0]->width;
 743         ry = priv->acecadMaxY / screenInfo.screens[0]->height;
 744         if (rx < ry)
 745             priv->acecadInc = rx;
 746         else
 747             priv->acecadInc = ry;
 748         if (priv->acecadInc < 1)
 749             priv->acecadInc = 1;
 750     }
 751
 752     xf86Msg(X_INFO, "%s Increment: %d\n", local->name, priv->acecadInc);
 753
 754     return Success;
 755 }
 756
 757 static void
 758 ReadInput (LocalDevicePtr local)
 759 {
 760     int x, y, z;
 761     int prox, buttons;
 762     int is_core_pointer = 0, is_absolute;
 763     AceCadPrivatePtr priv = (AceCadPrivatePtr) (local->private);
 764
 765     /*xf86Msg(X_INFO, "ACECAD Tablet Read Input\n");*/
 766
 767     is_absolute = (priv->flags & ABSOLUTE_FLAG);
 768 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) == 0
 769     is_core_pointer = xf86IsCorePointer(local->dev);
 770 #endif
 771
 772     /*
 773      * set blocking to -1 on the first call because we know there is data to
 774      * read. Xisb automatically clears it after one successful read so that
 775      * succeeding reads are preceeded buy a select with a 0 timeout to prevent
 776      * read from blocking indefinately.
 777      */
 778     XisbBlockDuration (priv->buffer, -1);
 779
 780     while (AceCadGetPacket (priv) == Success)
 781     {
 782         x = (int)priv->packet[1] | ((int)priv->packet[2] << 7);
 783         y = (int)priv->packet[3] | ((int)priv->packet[4] << 7);
 784
 785         if (!(priv->flags & ABSOLUTE_FLAG))
 786         {
 787             x = priv->packet[0] & XSIGN_BIT? x:-x;
 788             y = priv->packet[0] & YSIGN_BIT? y:-y;
 789         }
 790         else
 791         {
 792             y = priv->acecadMaxY - y ;
 793         }
 794
 795
 796         z = ((int)priv->packet[5] << 2) |
 797             (((int)priv->packet[6] & 0x01) << 1) |
 798             (((int)priv->packet[6] & 0x10) >> 4);
 799
 800         buttons = ((int)priv->packet[0] & 0x07) |
 801             ((int)priv->packet[6] & 0x02 << 2);
 802
 803         prox = (priv->packet[0] & PROXIMITY_BIT)? 0: 1;
 804
 805         if (prox)
 806         {
 807             if (!(priv->acecadOldProximity))
 808                 if (!is_core_pointer)
 809                 {
 810                     /*xf86Msg(X_INFO, "ACECAD Tablet ProxIN %d %d %d\n",x, y, z);*/
 811                     xf86PostProximityEvent(local->dev, 1, 0, 3 , x, y, z);
 812                 }
 813
 814             if ((is_absolute && ((priv->acecadOldX != x) || (priv->acecadOldY != y) || (priv->acecadOldZ != z)))
 815                     || (!is_absolute && (x || y)))
 816             {
 817                 if (is_absolute || priv->acecadOldProximity)
 818                 {
 819                     /*xf86Msg(X_INFO, "ACECAD Tablet Motion %d %d %d\n", x, y, z);*/
 820                     xf86PostMotionEvent(local->dev, is_absolute, 0, 3, x, y, z);
 821                 }
 822             }
 823
 824             if (priv->acecadOldButtons != buttons)
 825             {
 826                 int delta = buttons ^ priv->acecadOldButtons;
 827                 while (delta)
 828                 {
 829                     int id = ffs(delta);
 830                     delta &= ~(1 << (id-1));
 831
 832                     /*xf86Msg(X_INFO, "ACECAD Tablet Button %d 0x%x\n",id,(buttons&(1<<(id-1))));*/
 833                     xf86PostButtonEvent(local->dev, is_absolute, id, (buttons&(1<<(id-1))), 0, 3, x, y,z);
 834                 }
 835             }
 836
 837             priv->acecadOldButtons = buttons;
 838             priv->acecadOldX = x;
 839             priv->acecadOldY = y;
 840             priv->acecadOldZ = z;
 841             priv->acecadOldProximity = prox;
 842         }
 843         else
 844         {
 845             if (!is_core_pointer)
 846                 if (priv->acecadOldProximity)
 847                 {
 848                     /*xf86Msg(X_INFO, "ACECAD Tablet ProxOUT %d %d %d\n",x, y, z);*/
 849                     xf86PostProximityEvent(local->dev, 0, 0, 3, x,y,z);
 850                 }
 851             priv->acecadOldProximity = 0;
 852         }
 853     }
 854     /*xf86Msg(X_INFO, "ACECAD Tablet Sortie Read Input\n");*/
 855 }
 856
 857 #ifdef LINUX_INPUT
 858 #define set_bit(byte,nb,bit)    (bit ? byte | (1<<nb) : byte & (~(1<<nb)))
 859 static void
 860 USBReadInput (LocalDevicePtr local)
 861 {
 862     int len;
 863     struct input_event * event;
 864     char eventbuf[sizeof(struct input_event) * MAX_EVENTS];
 865     AceCadPrivatePtr priv = (AceCadPrivatePtr) (local->private);
 866     int x = priv->acecadOldX;
 867     int y = priv->acecadOldY;
 868     int z = priv->acecadOldZ;
 869     int report_x, report_y;
 870     int prox = priv->acecadOldProximity;
 871     int buttons = priv->acecadOldButtons;
 872     int is_core_pointer = 0;
 873 #if GET_ABI_MAJOR(ABI_XINPUT_VERSION) == 0
 874     is_core_pointer = xf86IsCorePointer(local->dev);
 875 #endif
 876     /* Is autodev active? */
 877     int autodev = priv->flags & AUTODEV_FLAG;
 878     /* Was the device available last time we checked? */
 879     int avail = priv->flags & AVAIL_FLAG;
 880
 881     SYSCALL(len = read(local->fd, eventbuf, sizeof(eventbuf)));
 882
 883     if (len <= 0) {
 884         if (avail) {
 885             xf86Msg(X_ERROR, "%s: error reading device %s: %s\n", local->name, xf86FindOptionValue(local->options, "Device"), strerror(errno));
 886         }
 887         if (NOTAVAIL) {
 888             priv->flags &= ~AVAIL_FLAG;
 889             if(autodev) {
 890                 if (AceCadAutoDevProbe(local, 4)) {
 891                     DeviceOff(local->dev);
 892                     DeviceOn(local->dev);
 893                 }
 894             }
 895         }
 896         return;
 897     } else {
 898         if (!avail) {
 899             /* If the device wasn't available last time we checked */
 900             xf86Msg(X_INFO, "%s: device %s is available again\n", local->name, xf86FindOptionValue(local->options, "Device"));
 901             priv->flags |= AVAIL_FLAG;
 902         }
 903     }
 904
 905     for (event = (struct input_event *)eventbuf;
 906             event < (struct input_event *)(eventbuf+len); event++) {
 907
 908         switch (event->type) {
 909             case EV_SYN: /* 2.6.x */
 910                 if (event->code != SYN_REPORT)
 911                     xf86Msg(X_ERROR, "%s: unknown EV_SYN code %d\n", local->name, event->code);
 912                 break;
 913             case EV_ABS:
 914                 switch (event->code) {
 915                     case ABS_X:
 916                         x = event->value;
 917                         break;
 918
 919                     case ABS_Y:
 920                         y = event->value;
 921                         break;
 922
 923                     case ABS_PRESSURE:
 924                         z = event->value;
 925                         break;
 926
 927                     case ABS_MISC:
 928                         break;
 929
 930                 }
 931                 break; /* EV_ABS */
 932
 933             case EV_KEY:
 934                 switch (event->code) {
 935                     case BTN_TOOL_PEN:
 936                         prox = event->value;
 937                         break;
 938
 939                     case BTN_TOUCH:
 940                         buttons = set_bit(buttons,0,event->value);
 941                         break;
 942
 943                     case BTN_STYLUS:
 944                         buttons = set_bit(buttons,1,event->value);
 945                         break;
 946
 947                     case BTN_STYLUS2:
 948                         buttons = set_bit(buttons,2,event->value);
 949                         break;
 950                 }
 951                 break; /* EV_KEY */
 952             default:
 953                 xf86Msg(X_ERROR, "%s: unknown event type/code %d/%d\n", local->name, event->type, event->code);
 954         } /* switch event->type */
 955
 956         /* Linux Kernel 2.6.x sends EV_SYN/SYN_REPORT as an event terminator,
 957          * whereas 2.4.x sends EV_ABS/ABS_MISC. We have to support both.
 958          */
 959         if (!(  (event->type == EV_SYN && event->code == SYN_REPORT) ||
 960                     (event->type == EV_ABS && event->code == ABS_MISC)
 961              )) {
 962             continue;
 963         }
 964
 965         if (prox)
 966         {
 967 #if XORG_BOTCHED_INPUT
 968             ConvertProc(local, 0, 3, x, y, 0, 0, 0, 0, &report_x, &report_y);
 969 #else
 970             report_x = x;
 971             report_y = y;
 972 #endif
 973             if (!(priv->acecadOldProximity))
 974                 if (!is_core_pointer)
 975                 {
 976                     xf86PostProximityEvent(local->dev, 1, 0, 3 , report_x, report_y, z);
 977                 }
 978
 979
 980             xf86PostMotionEvent(local->dev, 1, 0, 3, report_x, report_y, z);
 981
 982             if (priv->acecadOldButtons != buttons)
 983             {
 984                 int delta = buttons ^ priv->acecadOldButtons;
 985                 while (delta)
 986                 {
 987                     int id = ffs(delta);
 988                     delta &= ~(1 << (id-1));
 989
 990                     xf86PostButtonEvent(local->dev, 1, id, (buttons&(1<<(id-1))), 0, 3, report_x, report_y, z);
 991                 }
 992             }
 993         }
 994         else
 995         {
 996             if (!is_core_pointer)
 997                 if (priv->acecadOldProximity)
 998                 {
 999                     xf86PostProximityEvent(local->dev, 0, 0, 3, report_x, report_y, z);
1000                 }
1001             priv->acecadOldProximity = 0;
1002         }
1003
1004         priv->acecadOldButtons = buttons;
1005         priv->acecadOldX = x;
1006         priv->acecadOldY = y;
1007         priv->acecadOldZ = z;
1008         priv->acecadOldProximity = prox;
1009     }
1010     /*xf86Msg(X_INFO, "ACECAD Tablet Sortie Read Input\n");*/
1011 }
1012 #endif
1013
1014 static void
1015 CloseProc (LocalDevicePtr local)
1016 {
1017 }
1018
1019 /*
1020  * The ConvertProc function may need to be tailored for your device.
1021  * This function converts the device's valuator outputs to x and y coordinates
1022  * to simulate mouse events.
1023  */
1024 static Bool
1025 ConvertProc (LocalDevicePtr local, int first, int num,
1026         int v0, int v1, int v2, int v3, int v4, int v5,
1027         int *x, int *y)
1028 {
1029     AceCadPrivatePtr priv = (AceCadPrivatePtr)(local->private);
1030
1031     /* TODO: should have a structure to hold which screen the
1032      * pointer is attached to? */
1033     // xf86Msg(X_INFO, "%s: coordinate conversion in : %d, %d\n", local->name, v0, v1);
1034     *x = v0 * screenInfo.screens[0]->width / priv->acecadMaxX;
1035     *y = v1 * screenInfo.screens[0]->height / priv->acecadMaxY;
1036     // xf86Msg(X_INFO, "%s: coordinate conversion out: %d, %d\n", local->name, *x, *y);
1037     return TRUE;
1038 }
1039
1040
1041 static Bool
1042 ReverseConvertProc (LocalDevicePtr local,
1043         int x, int  y,
1044         int *valuators)
1045 {
1046     AceCadPrivatePtr priv = (AceCadPrivatePtr)(local->private);
1047
1048     // xf86Msg(X_INFO, "%s: reverse coordinate conversion in : %d, %d\n", local->name, x, y);
1049     valuators[0] = x * priv->acecadMaxX / screenInfo.screens[0]->width;
1050     valuators[1] = y * priv->acecadMaxY / screenInfo.screens[0]->height;
1051     // xf86Msg(X_INFO, "%s: reverse coordinate conversion out: %d, %d\n", local->name, valuators[0], valuators[1]);
1052
1053     return TRUE;
1054 }
1055
1056
1057 #define WriteString(str)\
1058     XisbWrite (priv->buffer, (unsigned char *)(str), strlen(str))
1059
1060
1061 static Bool
1062 QueryHardware (AceCadPrivatePtr priv)
1063 {
1064
1065     /* Reset */
1066     WriteString("z0");
1067
1068     /* Wait */
1069     milisleep (250);
1070
1071     /* Prompt Mode in order to not be disturbed */
1072     WriteString(ACECAD_PROMPT_MODE);
1073
1074     /* Flush */
1075     while (XisbRead(priv->buffer) >= 0);
1076
1077     /* Ask for Config packet*/
1078     WriteString(ACECAD_CONFIG);
1079
1080     /* Read the packet */
1081     XisbBlockDuration (priv->buffer, 1000000);
1082     NewPacket (priv);
1083
1084     /*xf86Msg(X_CONFIG, "ACECAD Tablet init envoyé \n");*/
1085
1086     if ((AceCadGetPacket (priv) == Success))
1087     {
1088         priv->acecadMaxX = (int)priv->packet[1] + ((int)priv->packet[2] << 7);
1089         priv->acecadMaxY = (int)priv->packet[3] + ((int)priv->packet[4] << 7);
1090         priv->acecadMaxZ = 512;
1091         xf86Msg(X_PROBED, "ACECAD Tablet MaxX:%d MaxY:%d\n", priv->acecadMaxX, priv->acecadMaxY);
1092     }
1093     else
1094         return !Success;
1095
1096     /*xf86Msg(X_INFO, "ACECAD Tablet query hardware fini \n");*/
1097     return Success;
1098 }
1099
1100 #define BITS_PER_LONG (sizeof(long) * 8)
1101 #define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)
1102 #define test_bit(bit, array)    ((array[LONG(bit)] >> OFF(bit)) & 1)
1103 #define OFF(x)  ((x)%BITS_PER_LONG)
1104 #define LONG(x) ((x)/BITS_PER_LONG)
1105
1106 #ifdef LINUX_INPUT
1107 static Bool
1108 USBQueryHardware (LocalDevicePtr local)
1109 {
1110     AceCadPrivatePtr    priv = (AceCadPrivatePtr) local->private;
1111     unsigned long       bit[EV_MAX][NBITS(KEY_MAX)];
1112     int                 i, j;
1113     int                 abs[5];
1114     char                name[256] = "Unknown";
1115
1116     ioctl(local->fd, EVIOCGNAME(sizeof(name)), name);
1117     xf86MsgVerb(X_PROBED, 4, "Kernel Input device name: \"%s\"\n", name);
1118
1119     memset(bit, 0, sizeof(bit));
1120     ioctl(local->fd, EVIOCGBIT(0, EV_MAX), bit[0]);
1121
1122     for (i = 0; i < EV_MAX; i++)
1123         if (test_bit(i, bit[0])) {
1124             ioctl(local->fd, EVIOCGBIT(i, KEY_MAX), bit[i]);
1125             for (j = 0; j < KEY_MAX; j++)
1126                 if (test_bit(j, bit[i])) {
1127                     if (i == EV_ABS) {
1128                         ioctl(local->fd, EVIOCGABS(j), abs);
1129                         switch (j) {
1130                             case ABS_X:
1131                                 priv->acecadMaxX = abs[2];
1132                                 break;
1133
1134                             case ABS_Y:
1135                                 priv->acecadMaxY = abs[2];
1136                                 break;
1137
1138                             case ABS_PRESSURE:
1139                                 priv->acecadMaxZ = abs[2];
1140                                 break;
1141                         }
1142                     }
1143                 }
1144         }
1145
1146     xf86Msg(X_PROBED, "ACECAD Tablet MaxX:%d MaxY:%d MaxZ:%d\n", priv->acecadMaxX, priv->acecadMaxY, priv->acecadMaxZ);
1147     return Success;
1148 }
1149 #endif
1150
1151 static void
1152 NewPacket (AceCadPrivatePtr priv)
1153 {
1154     priv->packeti = 0;
1155 }
1156
1157 static Bool
1158 AceCadGetPacket (AceCadPrivatePtr priv)
1159 {
1160     int count = 0;
1161     int c = 0;
1162
1163     while((c = XisbRead(priv->buffer)) >= 0 )
1164     {
1165
1166         /*
1167          * fail after 500 bytes so the server doesn't hang forever if a
1168          * device sends bad data.
1169          */
1170         if (count++ > 500)
1171         {
1172             NewPacket (priv);
1173             return !Success;
1174         }
1175
1176         if (c & PHASING_BIT)
1177         {
1178             NewPacket(priv);
1179
1180             /*xf86Msg(X_CONFIG, "Push %2.2x\n",(char) c);*/
1181             XisbBlockDuration (priv->buffer, 10000);
1182             priv->packet[priv->packeti++] = c;
1183             count = ACECAD_PACKET_SIZE - 1;
1184             while (count-- && (c = XisbRead(priv->buffer)) >= 0)
1185             {
1186                 /*xf86Msg(X_INFO, "Push %2.2x\n",(char) c);*/
1187                 priv->packet[priv->packeti++] = c;
1188             }
1189             XisbBlockDuration (priv->buffer, 0);
1190             if(c > 0)
1191                 return Success;
1192         }
1193     }
1194     return !Success;
1195 }