drivers/usb/input/wacom.c

   1 /*
   2  *  USB Wacom Graphire and Wacom Intuos tablet support
   3  *
   4  *  Copyright (c) 2000-2004 Vojtech Pavlik      <vojtech@ucw.cz>
   5  *  Copyright (c) 2000 Andreas Bach Aaen        <abach@stofanet.dk>
   6  *  Copyright (c) 2000 Clifford Wolf            <clifford@clifford.at>
   7  *  Copyright (c) 2000 Sam Mosel                <sam.mosel@computer.org>
   8  *  Copyright (c) 2000 James E. Blair           <corvus@gnu.org>
   9  *  Copyright (c) 2000 Daniel Egger             <egger@suse.de>
  10  *  Copyright (c) 2001 Frederic Lepied          <flepied@mandrakesoft.com>
  11  *  Copyright (c) 2004 Panagiotis Issaris       <panagiotis.issaris@mech.kuleuven.ac.be>
  12  *  Copyright (c) 2002-2006 Ping Cheng          <pingc@wacom.com>
  13  *
  14  *  ChangeLog:
  15  *      v0.1 (vp)  - Initial release
  16  *      v0.2 (aba) - Support for all buttons / combinations
  17  *      v0.3 (vp)  - Support for Intuos added
  18  *      v0.4 (sm)  - Support for more Intuos models, menustrip
  19  *                      relative mode, proximity.
  20  *      v0.5 (vp)  - Big cleanup, nifty features removed,
  21  *                      they belong in userspace
  22  *      v1.8 (vp)  - Submit URB only when operating, moved to CVS,
  23  *                      use input_report_key instead of report_btn and
  24  *                      other cleanups
  25  *      v1.11 (vp) - Add URB ->dev setting for new kernels
  26  *      v1.11 (jb) - Add support for the 4D Mouse & Lens
  27  *      v1.12 (de) - Add support for two more inking pen IDs
  28  *      v1.14 (vp) - Use new USB device id probing scheme.
  29  *                   Fix Wacom Graphire mouse wheel
  30  *      v1.18 (vp) - Fix mouse wheel direction
  31  *                   Make mouse relative
  32  *      v1.20 (fl) - Report tool id for Intuos devices
  33  *                 - Multi tools support
  34  *                 - Corrected Intuos protocol decoding (airbrush, 4D mouse, lens cursor...)
  35  *                 - Add PL models support
  36  *                 - Fix Wacom Graphire mouse wheel again
  37  *      v1.21 (vp) - Removed protocol descriptions
  38  *                 - Added MISC_SERIAL for tool serial numbers
  39  *            (gb) - Identify version on module load.
  40  *    v1.21.1 (fl) - added Graphire2 support
  41  *    v1.21.2 (fl) - added Intuos2 support
  42  *                 - added all the PL ids
  43  *    v1.21.3 (fl) - added another eraser id from Neil Okamoto
  44  *                 - added smooth filter for Graphire from Peri Hankey
  45  *                 - added PenPartner support from Olaf van Es
  46  *                 - new tool ids from Ole Martin Bjoerndalen
  47  *      v1.29 (pc) - Add support for more tablets
  48  *                 - Fix pressure reporting
  49  *      v1.30 (vp) - Merge 2.4 and 2.5 drivers
  50  *                 - Since 2.5 now has input_sync(), remove MSC_SERIAL abuse
  51  *                 - Cleanups here and there
  52  *    v1.30.1 (pi) - Added Graphire3 support
  53  *      v1.40 (pc) - Add support for several new devices, fix eraser reporting, ...
  54  *      v1.43 (pc) - Added support for Cintiq 21UX
  55  *                 - Fixed a Graphire bug
  56  *                 - Merged wacom_intuos3_irq into wacom_intuos_irq
  57  *      v1.44 (pc) - Added support for Graphire4, Cintiq 710, Intuos3 6x11, etc.
  58  *                 - Report Device IDs
  59  *      v1.45 (pc) - Added support for DTF 521, Intuos3 12x12 and 12x19
  60  *                 - Minor data report fix
  61  */
  62
  63 /*
  64  * This program is free software; you can redistribute it and/or modify
  65  * it under the terms of the GNU General Public License as published by
  66  * the Free Software Foundation; either version 2 of the License, or
  67  * (at your option) any later version.
  68  */
  69
  70 #include <linux/kernel.h>
  71 #include <linux/slab.h>
  72 #include <linux/module.h>
  73 #include <linux/init.h>
  74 #include <linux/usb/input.h>
  75 #include <asm/unaligned.h>
  76
  77 /*
  78  * Version Information
  79  */
  80 #define DRIVER_VERSION "v1.45"
  81 #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
  82 #define DRIVER_DESC "USB Wacom Graphire and Wacom Intuos tablet driver"
  83 #define DRIVER_LICENSE "GPL"
  84
  85 MODULE_AUTHOR(DRIVER_AUTHOR);
  86 MODULE_DESCRIPTION(DRIVER_DESC);
  87 MODULE_LICENSE(DRIVER_LICENSE);
  88
  89 #define USB_VENDOR_ID_WACOM     0x056a
  90 #define STYLUS_DEVICE_ID        0x02
  91 #define CURSOR_DEVICE_ID        0x06
  92 #define ERASER_DEVICE_ID        0x0A
  93
  94 enum {
  95         PENPARTNER = 0,
  96         GRAPHIRE,
  97         WACOM_G4,
  98         PL,
  99         INTUOS,
 100         INTUOS3,
 101         INTUOS312,
 102         INTUOS319,
 103         CINTIQ,
 104         MAX_TYPE
 105 };
 106
 107 struct wacom_features {
 108         char *name;
 109         int pktlen;
 110         int x_max;
 111         int y_max;
 112         int pressure_max;
 113         int distance_max;
 114         int type;
 115         usb_complete_t irq;
 116 };
 117
 118 struct wacom {
 119         signed char *data;
 120         dma_addr_t data_dma;
 121         struct input_dev *dev;
 122         struct usb_device *usbdev;
 123         struct urb *irq;
 124         struct wacom_features *features;
 125         int tool[2];
 126         int id[2];
 127         __u32 serial[2];
 128         char phys[32];
 129 };
 130
 131 #define USB_REQ_GET_REPORT      0x01
 132 #define USB_REQ_SET_REPORT      0x09
 133
 134 static int usb_get_report(struct usb_interface *intf, unsigned char type,
 135                                 unsigned char id, void *buf, int size)
 136 {
 137         return usb_control_msg(interface_to_usbdev(intf),
 138                 usb_rcvctrlpipe(interface_to_usbdev(intf), 0),
 139                 USB_REQ_GET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
 140                 (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
 141                 buf, size, 100);
 142 }
 143
 144 static int usb_set_report(struct usb_interface *intf, unsigned char type,
 145                                 unsigned char id, void *buf, int size)
 146 {
 147         return usb_control_msg(interface_to_usbdev(intf),
 148                 usb_sndctrlpipe(interface_to_usbdev(intf), 0),
 149                 USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
 150                 (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
 151                 buf, size, 1000);
 152 }
 153
 154 static void wacom_pl_irq(struct urb *urb, struct pt_regs *regs)
 155 {
 156         struct wacom *wacom = urb->context;
 157         unsigned char *data = wacom->data;
 158         struct input_dev *dev = wacom->dev;
 159         int prox, pressure, id;
 160         int retval;
 161
 162         switch (urb->status) {
 163         case 0:
 164                 /* success */
 165                 break;
 166         case -ECONNRESET:
 167         case -ENOENT:
 168         case -ESHUTDOWN:
 169                 /* this urb is terminated, clean up */
 170                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 171                 return;
 172         default:
 173                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 174                 goto exit;
 175         }
 176
 177         if (data[0] != 2) {
 178                 dbg("wacom_pl_irq: received unknown report #%d", data[0]);
 179                 goto exit;
 180         }
 181
 182         prox = data[1] & 0x40;
 183
 184         input_regs(dev, regs);
 185
 186         id = ERASER_DEVICE_ID;
 187         if (prox) {
 188
 189                 pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
 190                 if (wacom->features->pressure_max > 255)
 191                         pressure = (pressure << 1) | ((data[4] >> 6) & 1);
 192                 pressure += (wacom->features->pressure_max + 1) / 2;
 193
 194                 /*
 195                  * if going from out of proximity into proximity select between the eraser
 196                  * and the pen based on the state of the stylus2 button, choose eraser if
 197                  * pressed else choose pen. if not a proximity change from out to in, send
 198                  * an out of proximity for previous tool then a in for new tool.
 199                  */
 200                 if (!wacom->tool[0]) {
 201                         /* Eraser bit set for DTF */
 202                         if (data[1] & 0x10)
 203                                 wacom->tool[1] = BTN_TOOL_RUBBER;
 204                         else
 205                                 /* Going into proximity select tool */
 206                                 wacom->tool[1] = (data[4] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
 207                 } else {
 208                         /* was entered with stylus2 pressed */
 209                         if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
 210                                 /* report out proximity for previous tool */
 211                                 input_report_key(dev, wacom->tool[1], 0);
 212                                 input_sync(dev);
 213                                 wacom->tool[1] = BTN_TOOL_PEN;
 214                                 goto exit;
 215                         }
 216                 }
 217                 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
 218                         /* Unknown tool selected default to pen tool */
 219                         wacom->tool[1] = BTN_TOOL_PEN;
 220                         id = STYLUS_DEVICE_ID;
 221                 }
 222                 input_report_key(dev, wacom->tool[1], prox); /* report in proximity for tool */
 223                 input_report_abs(dev, ABS_MISC, id); /* report tool id */
 224                 input_report_abs(dev, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
 225                 input_report_abs(dev, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
 226                 input_report_abs(dev, ABS_PRESSURE, pressure);
 227
 228                 input_report_key(dev, BTN_TOUCH, data[4] & 0x08);
 229                 input_report_key(dev, BTN_STYLUS, data[4] & 0x10);
 230                 /* Only allow the stylus2 button to be reported for the pen tool. */
 231                 input_report_key(dev, BTN_STYLUS2, (wacom->tool[1] == BTN_TOOL_PEN) && (data[4] & 0x20));
 232         } else {
 233                 /* report proximity-out of a (valid) tool */
 234                 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
 235                         /* Unknown tool selected default to pen tool */
 236                         wacom->tool[1] = BTN_TOOL_PEN;
 237                 }
 238                 input_report_key(dev, wacom->tool[1], prox);
 239         }
 240
 241         wacom->tool[0] = prox; /* Save proximity state */
 242         input_sync(dev);
 243
 244  exit:
 245         retval = usb_submit_urb (urb, GFP_ATOMIC);
 246         if (retval)
 247                 err ("%s - usb_submit_urb failed with result %d",
 248                      __FUNCTION__, retval);
 249 }
 250
 251 static void wacom_ptu_irq(struct urb *urb, struct pt_regs *regs)
 252 {
 253         struct wacom *wacom = urb->context;
 254         unsigned char *data = wacom->data;
 255         struct input_dev *dev = wacom->dev;
 256         int retval, id;
 257
 258         switch (urb->status) {
 259         case 0:
 260                 /* success */
 261                 break;
 262         case -ECONNRESET:
 263         case -ENOENT:
 264         case -ESHUTDOWN:
 265                 /* this urb is terminated, clean up */
 266                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 267                 return;
 268         default:
 269                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 270                 goto exit;
 271         }
 272
 273         if (data[0] != 2) {
 274                 printk(KERN_INFO "wacom_ptu_irq: received unknown report #%d\n", data[0]);
 275                 goto exit;
 276         }
 277
 278         input_regs(dev, regs);
 279         if (data[1] & 0x04) {
 280                 input_report_key(dev, BTN_TOOL_RUBBER, data[1] & 0x20);
 281                 input_report_key(dev, BTN_TOUCH, data[1] & 0x08);
 282                 id = ERASER_DEVICE_ID;
 283         } else {
 284                 input_report_key(dev, BTN_TOOL_PEN, data[1] & 0x20);
 285                 input_report_key(dev, BTN_TOUCH, data[1] & 0x01);
 286                 id = STYLUS_DEVICE_ID;
 287         }
 288         input_report_abs(dev, ABS_MISC, id); /* report tool id */
 289         input_report_abs(dev, ABS_X, le16_to_cpu(*(__le16 *) &data[2]));
 290         input_report_abs(dev, ABS_Y, le16_to_cpu(*(__le16 *) &data[4]));
 291         input_report_abs(dev, ABS_PRESSURE, le16_to_cpu(*(__le16 *) &data[6]));
 292         input_report_key(dev, BTN_STYLUS, data[1] & 0x02);
 293         input_report_key(dev, BTN_STYLUS2, data[1] & 0x10);
 294
 295         input_sync(dev);
 296
 297  exit:
 298         retval = usb_submit_urb (urb, GFP_ATOMIC);
 299         if (retval)
 300                 err ("%s - usb_submit_urb failed with result %d",
 301                      __FUNCTION__, retval);
 302 }
 303
 304 static void wacom_penpartner_irq(struct urb *urb, struct pt_regs *regs)
 305 {
 306         struct wacom *wacom = urb->context;
 307         unsigned char *data = wacom->data;
 308         struct input_dev *dev = wacom->dev;
 309         int retval;
 310
 311         switch (urb->status) {
 312         case 0:
 313                 /* success */
 314                 break;
 315         case -ECONNRESET:
 316         case -ENOENT:
 317         case -ESHUTDOWN:
 318                 /* this urb is terminated, clean up */
 319                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 320                 return;
 321         default:
 322                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 323                 goto exit;
 324         }
 325
 326         if (data[0] != 2) {
 327                 printk(KERN_INFO "wacom_penpartner_irq: received unknown report #%d\n", data[0]);
 328                 goto exit;
 329         }
 330
 331         input_regs(dev, regs);
 332         input_report_key(dev, BTN_TOOL_PEN, 1);
 333         input_report_abs(dev, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
 334         input_report_abs(dev, ABS_X, le16_to_cpu(*(__le16 *) &data[1]));
 335         input_report_abs(dev, ABS_Y, le16_to_cpu(*(__le16 *) &data[3]));
 336         input_report_abs(dev, ABS_PRESSURE, (signed char)data[6] + 127);
 337         input_report_key(dev, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
 338         input_report_key(dev, BTN_STYLUS, (data[5] & 0x40));
 339         input_sync(dev);
 340
 341  exit:
 342         retval = usb_submit_urb (urb, GFP_ATOMIC);
 343         if (retval)
 344                 err ("%s - usb_submit_urb failed with result %d",
 345                      __FUNCTION__, retval);
 346 }
 347
 348 static void wacom_graphire_irq(struct urb *urb, struct pt_regs *regs)
 349 {
 350         struct wacom *wacom = urb->context;
 351         unsigned char *data = wacom->data;
 352         struct input_dev *dev = wacom->dev;
 353         int x, y, id, rw;
 354         int retval;
 355
 356         switch (urb->status) {
 357         case 0:
 358                 /* success */
 359                 break;
 360         case -ECONNRESET:
 361         case -ENOENT:
 362         case -ESHUTDOWN:
 363                 /* this urb is terminated, clean up */
 364                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 365                 return;
 366         default:
 367                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 368                 goto exit;
 369         }
 370
 371         if (data[0] == 99) return; /* for Volito tablets */
 372
 373         if (data[0] != 2) {
 374                 dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
 375                 goto exit;
 376         }
 377
 378         input_regs(dev, regs);
 379
 380         id = STYLUS_DEVICE_ID;
 381         if (data[1] & 0x10) { /* in prox */
 382
 383                 switch ((data[1] >> 5) & 3) {
 384
 385                         case 0: /* Pen */
 386                                 wacom->tool[0] = BTN_TOOL_PEN;
 387                                 break;
 388
 389                         case 1: /* Rubber */
 390                                 wacom->tool[0] = BTN_TOOL_RUBBER;
 391                                 id = ERASER_DEVICE_ID;
 392                                 break;
 393
 394                         case 2: /* Mouse with wheel */
 395                                 input_report_key(dev, BTN_MIDDLE, data[1] & 0x04);
 396                                 if (wacom->features->type == WACOM_G4) {
 397                                         rw = data[7] & 0x04 ? (data[7] & 0x03)-4 : (data[7] & 0x03);
 398                                         input_report_rel(dev, REL_WHEEL, -rw);
 399                                 } else
 400                                         input_report_rel(dev, REL_WHEEL, -(signed char) data[6]);
 401                                 /* fall through */
 402
 403                         case 3: /* Mouse without wheel */
 404                                 wacom->tool[0] = BTN_TOOL_MOUSE;
 405                                 id = CURSOR_DEVICE_ID;
 406                                 input_report_key(dev, BTN_LEFT, data[1] & 0x01);
 407                                 input_report_key(dev, BTN_RIGHT, data[1] & 0x02);
 408                                 if (wacom->features->type == WACOM_G4)
 409                                         input_report_abs(dev, ABS_DISTANCE, data[6]);
 410                                 else
 411                                         input_report_abs(dev, ABS_DISTANCE, data[7]);
 412                                 break;
 413                 }
 414         }
 415
 416         if (data[1] & 0x90) {
 417                 x = le16_to_cpu(*(__le16 *) &data[2]);
 418                 y = le16_to_cpu(*(__le16 *) &data[4]);
 419                 input_report_abs(dev, ABS_X, x);
 420                 input_report_abs(dev, ABS_Y, y);
 421                 if (wacom->tool[0] != BTN_TOOL_MOUSE) {
 422                         input_report_abs(dev, ABS_PRESSURE, data[6] | ((data[7] & 0x01) << 8));
 423                         input_report_key(dev, BTN_TOUCH, data[1] & 0x01);
 424                         input_report_key(dev, BTN_STYLUS, data[1] & 0x02);
 425                         input_report_key(dev, BTN_STYLUS2, data[1] & 0x04);
 426                 }
 427         }
 428
 429         if (data[1] & 0x10)
 430                 input_report_abs(dev, ABS_MISC, id); /* report tool id */
 431         else
 432                 input_report_abs(dev, ABS_MISC, 0); /* reset tool id */
 433         input_report_key(dev, wacom->tool[0], data[1] & 0x10);
 434         input_sync(dev);
 435
 436         /* send pad data */
 437         if (wacom->features->type == WACOM_G4) {
 438                 if ((wacom->serial[1] & 0xc0) != (data[7] & 0xf8)) {
 439                         wacom->id[1] = 1;
 440                         wacom->serial[1] = (data[7] & 0xf8);
 441                         input_report_key(dev, BTN_0, (data[7] & 0x40));
 442                         input_report_key(dev, BTN_4, (data[7] & 0x80));
 443                         rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
 444                         input_report_rel(dev, REL_WHEEL, rw);
 445                         input_report_key(dev, BTN_TOOL_FINGER, 0xf0);
 446                         input_event(dev, EV_MSC, MSC_SERIAL, 0xf0);
 447                 } else if (wacom->id[1]) {
 448                         wacom->id[1] = 0;
 449                         input_report_key(dev, BTN_TOOL_FINGER, 0);
 450                         input_event(dev, EV_MSC, MSC_SERIAL, 0xf0);
 451                 }
 452                 input_sync(dev);
 453         }
 454  exit:
 455         retval = usb_submit_urb (urb, GFP_ATOMIC);
 456         if (retval)
 457                 err ("%s - usb_submit_urb failed with result %d",
 458                      __FUNCTION__, retval);
 459 }
 460
 461 static int wacom_intuos_inout(struct urb *urb)
 462 {
 463         struct wacom *wacom = urb->context;
 464         unsigned char *data = wacom->data;
 465         struct input_dev *dev = wacom->dev;
 466         int idx;
 467
 468         /* tool number */
 469         idx = data[1] & 0x01;
 470
 471         /* Enter report */
 472         if ((data[1] & 0xfc) == 0xc0) {
 473                 /* serial number of the tool */
 474                 wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
 475                         (data[4] << 20) + (data[5] << 12) +
 476                         (data[6] << 4) + (data[7] >> 4);
 477
 478                 wacom->id[idx] = (data[2] << 4) | (data[3] >> 4);
 479                 switch (wacom->id[idx]) {
 480                         case 0x812: /* Inking pen */
 481                         case 0x801: /* Intuos3 Inking pen */
 482                         case 0x012:
 483                                 wacom->tool[idx] = BTN_TOOL_PENCIL;
 484                                 break;
 485                         case 0x822: /* Pen */
 486                         case 0x842:
 487                         case 0x852:
 488                         case 0x823: /* Intuos3 Grip Pen */
 489                         case 0x813: /* Intuos3 Classic Pen */
 490                         case 0x885: /* Intuos3 Marker Pen */
 491                         case 0x022:
 492                                 wacom->tool[idx] = BTN_TOOL_PEN;
 493                                 break;
 494                         case 0x832: /* Stroke pen */
 495                         case 0x032:
 496                                 wacom->tool[idx] = BTN_TOOL_BRUSH;
 497                                 break;
 498                         case 0x007: /* Mouse 4D and 2D */
 499                         case 0x09c:
 500                         case 0x094:
 501                         case 0x017: /* Intuos3 2D Mouse */
 502                                 wacom->tool[idx] = BTN_TOOL_MOUSE;
 503                                 break;
 504                         case 0x096: /* Lens cursor */
 505                         case 0x097: /* Intuos3 Lens cursor */
 506                                 wacom->tool[idx] = BTN_TOOL_LENS;
 507                                 break;
 508                         case 0x82a: /* Eraser */
 509                         case 0x85a:
 510                         case 0x91a:
 511                         case 0xd1a:
 512                         case 0x0fa:
 513                         case 0x82b: /* Intuos3 Grip Pen Eraser */
 514                         case 0x81b: /* Intuos3 Classic Pen Eraser */
 515                         case 0x91b: /* Intuos3 Airbrush Eraser */
 516                                 wacom->tool[idx] = BTN_TOOL_RUBBER;
 517                                 break;
 518                         case 0xd12:
 519                         case 0x912:
 520                         case 0x112:
 521                         case 0x913: /* Intuos3 Airbrush */
 522                                 wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
 523                                 break;
 524                         default: /* Unknown tool */
 525                                 wacom->tool[idx] = BTN_TOOL_PEN;
 526                 }
 527                 if(!((wacom->tool[idx] == BTN_TOOL_LENS) &&
 528                                 ((wacom->features->type == INTUOS312)
 529                                         || (wacom->features->type == INTUOS319)))) {
 530                         input_report_abs(dev, ABS_MISC, wacom->id[idx]); /* report tool id */
 531                         input_report_key(dev, wacom->tool[idx], 1);
 532                         input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 533                         input_sync(dev);
 534                 }
 535                 return 1;
 536         }
 537
 538         /* Exit report */
 539         if ((data[1] & 0xfe) == 0x80) {
 540                 input_report_key(dev, wacom->tool[idx], 0);
 541                 input_report_abs(dev, ABS_MISC, 0); /* reset tool id */
 542                 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 543                 input_sync(dev);
 544                 return 1;
 545         }
 546
 547         if((wacom->tool[idx] == BTN_TOOL_LENS) && ((wacom->features->type == INTUOS312)
 548                         || (wacom->features->type == INTUOS319)))
 549                 return 1;
 550         else
 551                 return 0;
 552 }
 553
 554 static void wacom_intuos_general(struct urb *urb)
 555 {
 556         struct wacom *wacom = urb->context;
 557         unsigned char *data = wacom->data;
 558         struct input_dev *dev = wacom->dev;
 559         unsigned int t;
 560
 561         /* general pen packet */
 562         if ((data[1] & 0xb8) == 0xa0) {
 563                 t = (data[6] << 2) | ((data[7] >> 6) & 3);
 564                 input_report_abs(dev, ABS_PRESSURE, t);
 565                 input_report_abs(dev, ABS_TILT_X,
 566                                 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
 567                 input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f);
 568                 input_report_key(dev, BTN_STYLUS, data[1] & 2);
 569                 input_report_key(dev, BTN_STYLUS2, data[1] & 4);
 570                 input_report_key(dev, BTN_TOUCH, t > 10);
 571         }
 572
 573         /* airbrush second packet */
 574         if ((data[1] & 0xbc) == 0xb4) {
 575                 input_report_abs(dev, ABS_WHEEL,
 576                                 (data[6] << 2) | ((data[7] >> 6) & 3));
 577                 input_report_abs(dev, ABS_TILT_X,
 578                                 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
 579                 input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f);
 580         }
 581         return;
 582 }
 583
 584 static void wacom_intuos_irq(struct urb *urb, struct pt_regs *regs)
 585 {
 586         struct wacom *wacom = urb->context;
 587         unsigned char *data = wacom->data;
 588         struct input_dev *dev = wacom->dev;
 589         unsigned int t;
 590         int idx;
 591         int retval;
 592
 593         switch (urb->status) {
 594         case 0:
 595                 /* success */
 596                 break;
 597         case -ECONNRESET:
 598         case -ENOENT:
 599         case -ESHUTDOWN:
 600                 /* this urb is terminated, clean up */
 601                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 602                 return;
 603         default:
 604                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 605                 goto exit;
 606         }
 607
 608         if (data[0] != 2 && data[0] != 5 && data[0] != 6 && data[0] != 12) {
 609                 dbg("wacom_intuos_irq: received unknown report #%d", data[0]);
 610                 goto exit;
 611         }
 612
 613         input_regs(dev, regs);
 614
 615         /* tool number */
 616         idx = data[1] & 0x01;
 617
 618         /* pad packets. Works as a second tool and is always in prox */
 619         if (data[0] == 12) {
 620                 /* initiate the pad as a device */
 621                 if (wacom->tool[1] != BTN_TOOL_FINGER)
 622                         wacom->tool[1] = BTN_TOOL_FINGER;
 623
 624                 input_report_key(dev, BTN_0, (data[5] & 0x01));
 625                 input_report_key(dev, BTN_1, (data[5] & 0x02));
 626                 input_report_key(dev, BTN_2, (data[5] & 0x04));
 627                 input_report_key(dev, BTN_3, (data[5] & 0x08));
 628                 input_report_key(dev, BTN_4, (data[6] & 0x01));
 629                 input_report_key(dev, BTN_5, (data[6] & 0x02));
 630                 input_report_key(dev, BTN_6, (data[6] & 0x04));
 631                 input_report_key(dev, BTN_7, (data[6] & 0x08));
 632                 input_report_abs(dev, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
 633                 input_report_abs(dev, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
 634
 635                 if((data[5] & 0x0f) | (data[6] & 0x0f) | (data[1] & 0x1f) | data[2])
 636                         input_report_key(dev, wacom->tool[1], 1);
 637                 else
 638                         input_report_key(dev, wacom->tool[1], 0);
 639                 input_event(dev, EV_MSC, MSC_SERIAL, 0xffffffff);
 640                 input_sync(dev);
 641                 goto exit;
 642         }
 643
 644         /* process in/out prox events */
 645         if (wacom_intuos_inout(urb))
 646                 goto exit;
 647
 648         /* Cintiq doesn't send data when RDY bit isn't set */
 649         if ((wacom->features->type == CINTIQ) && !(data[1] & 0x40))
 650                 goto exit;
 651
 652         if (wacom->features->type >= INTUOS3) {
 653                 input_report_abs(dev, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
 654                 input_report_abs(dev, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
 655                 input_report_abs(dev, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
 656         } else {
 657                 input_report_abs(dev, ABS_X, be16_to_cpu(*(__be16 *) &data[2]));
 658                 input_report_abs(dev, ABS_Y, be16_to_cpu(*(__be16 *) &data[4]));
 659                 input_report_abs(dev, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
 660         }
 661
 662         /* process general packets */
 663         wacom_intuos_general(urb);
 664
 665         /* 4D mouse, 2D mouse, marker pen rotation, or Lens cursor packets */
 666         if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0) {
 667
 668                 if (data[1] & 0x02) {
 669                         /* Rotation packet */
 670                         if (wacom->features->type >= INTUOS3) {
 671                                 /* I3 marker pen rotation reported as wheel
 672                                  * due to valuator limitation
 673                                  */
 674                                 t = (data[6] << 3) | ((data[7] >> 5) & 7);
 675                                 t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
 676                                         ((t-1) / 2 + 450)) : (450 - t / 2) ;
 677                                 input_report_abs(dev, ABS_WHEEL, t);
 678                         } else {
 679                                 /* 4D mouse rotation packet */
 680                                 t = (data[6] << 3) | ((data[7] >> 5) & 7);
 681                                 input_report_abs(dev, ABS_RZ, (data[7] & 0x20) ?
 682                                         ((t - 1) / 2) : -t / 2);
 683                         }
 684
 685                 } else if (!(data[1] & 0x10) && wacom->features->type < INTUOS3) {
 686                         /* 4D mouse packet */
 687                         input_report_key(dev, BTN_LEFT,   data[8] & 0x01);
 688                         input_report_key(dev, BTN_MIDDLE, data[8] & 0x02);
 689                         input_report_key(dev, BTN_RIGHT,  data[8] & 0x04);
 690
 691                         input_report_key(dev, BTN_SIDE,   data[8] & 0x20);
 692                         input_report_key(dev, BTN_EXTRA,  data[8] & 0x10);
 693                         t = (data[6] << 2) | ((data[7] >> 6) & 3);
 694                         input_report_abs(dev, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
 695
 696                 } else if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
 697                         /* 2D mouse packet */
 698                         input_report_key(dev, BTN_LEFT,   data[8] & 0x04);
 699                         input_report_key(dev, BTN_MIDDLE, data[8] & 0x08);
 700                         input_report_key(dev, BTN_RIGHT,  data[8] & 0x10);
 701                         input_report_rel(dev, REL_WHEEL, (data[8] & 0x01)
 702                                                  - ((data[8] & 0x02) >> 1));
 703
 704                         /* I3 2D mouse side buttons */
 705                         if (wacom->features->type == INTUOS3) {
 706                                 input_report_key(dev, BTN_SIDE,   data[8] & 0x40);
 707                                 input_report_key(dev, BTN_EXTRA,  data[8] & 0x20);
 708                         }
 709
 710                 } else if (wacom->features->type < INTUOS3) {
 711                         /* Lens cursor packets */
 712                         input_report_key(dev, BTN_LEFT,   data[8] & 0x01);
 713                         input_report_key(dev, BTN_MIDDLE, data[8] & 0x02);
 714                         input_report_key(dev, BTN_RIGHT,  data[8] & 0x04);
 715                         input_report_key(dev, BTN_SIDE,   data[8] & 0x10);
 716                         input_report_key(dev, BTN_EXTRA,  data[8] & 0x08);
 717                 }
 718         }
 719
 720         input_report_abs(dev, ABS_MISC, wacom->id[idx]); /* report tool id */
 721         input_report_key(dev, wacom->tool[idx], 1);
 722         input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 723         input_sync(dev);
 724
 725 exit:
 726         retval = usb_submit_urb (urb, GFP_ATOMIC);
 727         if (retval)
 728                 err ("%s - usb_submit_urb failed with result %d",
 729                     __FUNCTION__, retval);
 730 }
 731
 732 static struct wacom_features wacom_features[] = {
 733         { "Wacom Penpartner",    7,   5040,  3780,  255, 32, PENPARTNER, wacom_penpartner_irq },
 734         { "Wacom Graphire",      8,  10206,  7422,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 735         { "Wacom Graphire2 4x5", 8,  10206,  7422,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 736         { "Wacom Graphire2 5x7", 8,  13918, 10206,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 737         { "Wacom Graphire3",     8,  10208,  7424,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 738         { "Wacom Graphire3 6x8", 8,  16704, 12064,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 739         { "Wacom Graphire4 4x5", 8,  10208,  7424,  511, 32, WACOM_G4,   wacom_graphire_irq },
 740         { "Wacom Graphire4 6x8", 8,  16704, 12064,  511, 32, WACOM_G4,   wacom_graphire_irq },
 741         { "Wacom Volito",        8,   5104,  3712,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 742         { "Wacom PenStation2",   8,   3250,  2320,  255, 32, GRAPHIRE,   wacom_graphire_irq },
 743         { "Wacom Volito2 4x5",   8,   5104,  3712,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 744         { "Wacom Volito2 2x3",   8,   3248,  2320,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 745         { "Wacom PenPartner2",   8,   3250,  2320,  255, 32, GRAPHIRE,   wacom_graphire_irq },
 746         { "Wacom Intuos 4x5",   10,  12700, 10600, 1023, 15, INTUOS,     wacom_intuos_irq },
 747         { "Wacom Intuos 6x8",   10,  20320, 16240, 1023, 15, INTUOS,     wacom_intuos_irq },
 748         { "Wacom Intuos 9x12",  10,  30480, 24060, 1023, 15, INTUOS,     wacom_intuos_irq },
 749         { "Wacom Intuos 12x12", 10,  30480, 31680, 1023, 15, INTUOS,     wacom_intuos_irq },
 750         { "Wacom Intuos 12x18", 10,  45720, 31680, 1023, 15, INTUOS,     wacom_intuos_irq },
 751         { "Wacom PL400",         8,   5408,  4056,  255, 32, PL,         wacom_pl_irq },
 752         { "Wacom PL500",         8,   6144,  4608,  255, 32, PL,         wacom_pl_irq },
 753         { "Wacom PL600",         8,   6126,  4604,  255, 32, PL,         wacom_pl_irq },
 754         { "Wacom PL600SX",       8,   6260,  5016,  255, 32, PL,         wacom_pl_irq },
 755         { "Wacom PL550",         8,   6144,  4608,  511, 32, PL,         wacom_pl_irq },
 756         { "Wacom PL800",         8,   7220,  5780,  511, 32, PL,         wacom_pl_irq },
 757         { "Wacom PL700",         8,   6758,  5406,  511, 32, PL,         wacom_pl_irq },
 758         { "Wacom PL510",         8,   6282,  4762,  511, 32, PL,         wacom_pl_irq },
 759         { "Wacom DTU710",        8,  34080, 27660,  511, 32, PL,         wacom_pl_irq },
 760         { "Wacom DTF521",        8,   6282,  4762,  511, 32, PL,         wacom_pl_irq },
 761         { "Wacom DTF720",        8,   6858,  5506,  511, 32, PL,         wacom_pl_irq },
 762         { "Wacom Cintiq Partner",8,  20480, 15360,  511, 32, PL,         wacom_ptu_irq },
 763         { "Wacom Intuos2 4x5",   10, 12700, 10600, 1023, 15, INTUOS,     wacom_intuos_irq },
 764         { "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 15, INTUOS,     wacom_intuos_irq },
 765         { "Wacom Intuos2 9x12",  10, 30480, 24060, 1023, 15, INTUOS,     wacom_intuos_irq },
 766         { "Wacom Intuos2 12x12", 10, 30480, 31680, 1023, 15, INTUOS,     wacom_intuos_irq },
 767         { "Wacom Intuos2 12x18", 10, 45720, 31680, 1023, 15, INTUOS,     wacom_intuos_irq },
 768         { "Wacom Intuos3 4x5",   10, 25400, 20320, 1023, 15, INTUOS3,    wacom_intuos_irq },
 769         { "Wacom Intuos3 6x8",   10, 40640, 30480, 1023, 15, INTUOS3,    wacom_intuos_irq },
 770         { "Wacom Intuos3 9x12",  10, 60960, 45720, 1023, 15, INTUOS3,    wacom_intuos_irq },
 771         { "Wacom Intuos3 12x12", 10, 60960, 60960, 1023, 15, INTUOS312,  wacom_intuos_irq },
 772         { "Wacom Intuos3 12x19", 10, 97536, 60960, 1023, 15, INTUOS319,  wacom_intuos_irq },
 773         { "Wacom Intuos3 6x11",  10, 54204, 31750, 1023, 15, INTUOS3,    wacom_intuos_irq },
 774         { "Wacom Cintiq 21UX",   10, 87200, 65600, 1023, 15, CINTIQ,     wacom_intuos_irq },
 775         { "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 15, INTUOS,     wacom_intuos_irq },
 776         { }
 777 };
 778
 779 static struct usb_device_id wacom_ids[] = {
 780         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x00) },
 781         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x10) },
 782         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x11) },
 783         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x12) },
 784         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x13) },
 785         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x14) },
 786         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x15) },
 787         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x16) },
 788         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x60) },
 789         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x61) },
 790         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x62) },
 791         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x63) },
 792         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x64) },
 793         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x20) },
 794         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x21) },
 795         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x22) },
 796         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x23) },
 797         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x24) },
 798         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x30) },
 799         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x31) },
 800         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x32) },
 801         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x33) },
 802         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x34) },
 803         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x35) },
 804         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x37) },
 805         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x38) },
 806         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x39) },
 807         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC0) },
 808         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC3) },
 809         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x03) },
 810         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x41) },
 811         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x42) },
 812         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x43) },
 813         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x44) },
 814         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x45) },
 815         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB0) },
 816         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB1) },
 817         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB2) },
 818         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB3) },
 819         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB4) },
 820         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB5) },
 821         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x3F) },
 822         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x47) },
 823         { }
 824 };
 825
 826 MODULE_DEVICE_TABLE(usb, wacom_ids);
 827
 828 static int wacom_open(struct input_dev *dev)
 829 {
 830         struct wacom *wacom = dev->private;
 831
 832         wacom->irq->dev = wacom->usbdev;
 833         if (usb_submit_urb(wacom->irq, GFP_KERNEL))
 834                 return -EIO;
 835
 836         return 0;
 837 }
 838
 839 static void wacom_close(struct input_dev *dev)
 840 {
 841         struct wacom *wacom = dev->private;
 842
 843         usb_kill_urb(wacom->irq);
 844 }
 845
 846 static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
 847 {
 848         struct usb_device *dev = interface_to_usbdev(intf);
 849         struct usb_endpoint_descriptor *endpoint;
 850         struct wacom *wacom;
 851         struct input_dev *input_dev;
 852         char rep_data[2], limit = 0;
 853
 854         wacom = kzalloc(sizeof(struct wacom), GFP_KERNEL);
 855         input_dev = input_allocate_device();
 856         if (!wacom || !input_dev)
 857                 goto fail1;
 858
 859         wacom->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma);
 860         if (!wacom->data)
 861                 goto fail1;
 862
 863         wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
 864         if (!wacom->irq)
 865                 goto fail2;
 866
 867         wacom->usbdev = dev;
 868         wacom->dev = input_dev;
 869         usb_make_path(dev, wacom->phys, sizeof(wacom->phys));
 870         strlcat(wacom->phys, "/input0", sizeof(wacom->phys));
 871
 872         wacom->features = wacom_features + (id - wacom_ids);
 873         if (wacom->features->pktlen > 10)
 874                 BUG();
 875
 876         input_dev->name = wacom->features->name;
 877         usb_to_input_id(dev, &input_dev->id);
 878
 879         input_dev->cdev.dev = &intf->dev;
 880         input_dev->private = wacom;
 881         input_dev->open = wacom_open;
 882         input_dev->close = wacom_close;
 883
 884         input_dev->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS);
 885         input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH) | BIT(BTN_STYLUS);
 886         input_set_abs_params(input_dev, ABS_X, 0, wacom->features->x_max, 4, 0);
 887         input_set_abs_params(input_dev, ABS_Y, 0, wacom->features->y_max, 4, 0);
 888         input_set_abs_params(input_dev, ABS_PRESSURE, 0, wacom->features->pressure_max, 0, 0);
 889         input_dev->absbit[LONG(ABS_MISC)] |= BIT(ABS_MISC);
 890
 891         switch (wacom->features->type) {
 892                 case WACOM_G4:
 893                         input_dev->evbit[0] |= BIT(EV_MSC);
 894                         input_dev->mscbit[0] |= BIT(MSC_SERIAL);
 895                         input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
 896                         input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_1) | BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4) | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7);
 897                         /* fall through */
 898
 899                 case GRAPHIRE:
 900                         input_dev->evbit[0] |= BIT(EV_REL);
 901                         input_dev->relbit[0] |= BIT(REL_WHEEL);
 902                         input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
 903                         input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_STYLUS2);
 904                         input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom->features->distance_max, 0, 0);
 905                         break;
 906
 907                 case INTUOS3:
 908                 case INTUOS312:
 909                 case INTUOS319:
 910                 case CINTIQ:
 911                         input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
 912                         input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_0) | BIT(BTN_1) | BIT(BTN_2) | BIT(BTN_3) | BIT(BTN_4) | BIT(BTN_5) | BIT(BTN_6) | BIT(BTN_7);
 913                         input_set_abs_params(input_dev, ABS_RX, 0, 4097, 0, 0);
 914                         input_set_abs_params(input_dev, ABS_RY, 0, 4097, 0, 0);
 915                         /* fall through */
 916
 917                 case INTUOS:
 918                         input_dev->evbit[0] |= BIT(EV_MSC) | BIT(EV_REL);
 919                         input_dev->mscbit[0] |= BIT(MSC_SERIAL);
 920                         input_dev->relbit[0] |= BIT(REL_WHEEL);
 921                         input_dev->keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE) | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
 922                         input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_TOOL_BRUSH)
 923                                                           | BIT(BTN_TOOL_PENCIL) | BIT(BTN_TOOL_AIRBRUSH) | BIT(BTN_TOOL_LENS) | BIT(BTN_STYLUS2);
 924                         input_set_abs_params(input_dev, ABS_DISTANCE, 0, wacom->features->distance_max, 0, 0);
 925                         input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
 926                         input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
 927                         input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
 928                         input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
 929                         input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
 930                         break;
 931
 932                 case PL:
 933                         input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_STYLUS2) | BIT(BTN_TOOL_RUBBER);
 934                         break;
 935         }
 936
 937         endpoint = &intf->cur_altsetting->endpoint[0].desc;
 938
 939         if (wacom->features->pktlen > 10)
 940                 BUG();
 941
 942         usb_fill_int_urb(wacom->irq, dev,
 943                          usb_rcvintpipe(dev, endpoint->bEndpointAddress),
 944                          wacom->data, wacom->features->pktlen,
 945                          wacom->features->irq, wacom, endpoint->bInterval);
 946         wacom->irq->transfer_dma = wacom->data_dma;
 947         wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 948
 949         input_register_device(wacom->dev);
 950
 951         /* Ask the tablet to report tablet data. Repeat until it succeeds */
 952         do {
 953                 rep_data[0] = 2;
 954                 rep_data[1] = 2;
 955                 usb_set_report(intf, 3, 2, rep_data, 2);
 956                 usb_get_report(intf, 3, 2, rep_data, 2);
 957         } while (rep_data[1] != 2 && limit++ < 5);
 958
 959         usb_set_intfdata(intf, wacom);
 960         return 0;
 961
 962 fail2:  usb_buffer_free(dev, 10, wacom->data, wacom->data_dma);
 963 fail1:  input_free_device(input_dev);
 964         kfree(wacom);
 965         return -ENOMEM;
 966 }
 967
 968 static void wacom_disconnect(struct usb_interface *intf)
 969 {
 970         struct wacom *wacom = usb_get_intfdata (intf);
 971
 972         usb_set_intfdata(intf, NULL);
 973         if (wacom) {
 974                 usb_kill_urb(wacom->irq);
 975                 input_unregister_device(wacom->dev);
 976                 usb_free_urb(wacom->irq);
 977                 usb_buffer_free(interface_to_usbdev(intf), 10, wacom->data, wacom->data_dma);
 978                 kfree(wacom);
 979         }
 980 }
 981
 982 static struct usb_driver wacom_driver = {
 983         .name =         "wacom",
 984         .probe =        wacom_probe,
 985         .disconnect =   wacom_disconnect,
 986         .id_table =     wacom_ids,
 987 };
 988
 989 static int __init wacom_init(void)
 990 {
 991         int result = usb_register(&wacom_driver);
 992         if (result == 0)
 993                 info(DRIVER_VERSION ":" DRIVER_DESC);
 994         return result;
 995 }
 996
 997 static void __exit wacom_exit(void)
 998 {
 999         usb_deregister(&wacom_driver);
1000 }
1001
1002 module_init(wacom_init);
1003 module_exit(wacom_exit);