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) 2002-2005 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  */
  58
  59 /*
  60  * This program is free software; you can redistribute it and/or modify
  61  * it under the terms of the GNU General Public License as published by
  62  * the Free Software Foundation; either version 2 of the License, or
  63  * (at your option) any later version.
  64  */
  65
  66 #include <linux/kernel.h>
  67 #include <linux/slab.h>
  68 #include <linux/input.h>
  69 #include <linux/module.h>
  70 #include <linux/init.h>
  71 #include <linux/usb.h>
  72 #include <linux/usb_input.h>
  73 #include <asm/unaligned.h>
  74 #include <asm/byteorder.h>
  75
  76 /*
  77  * Version Information
  78  */
  79 #define DRIVER_VERSION "v1.43"
  80 #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
  81 #define DRIVER_DESC "USB Wacom Graphire and Wacom Intuos tablet driver"
  82 #define DRIVER_LICENSE "GPL"
  83
  84 MODULE_AUTHOR(DRIVER_AUTHOR);
  85 MODULE_DESCRIPTION(DRIVER_DESC);
  86 MODULE_LICENSE(DRIVER_LICENSE);
  87
  88 #define USB_VENDOR_ID_WACOM     0x056a
  89
  90 enum {
  91         PENPARTNER = 0,
  92         GRAPHIRE,
  93         PL,
  94         INTUOS,
  95         INTUOS3,
  96         CINTIQ,
  97         MAX_TYPE
  98 };
  99
 100 struct wacom_features {
 101         char *name;
 102         int pktlen;
 103         int x_max;
 104         int y_max;
 105         int pressure_max;
 106         int distance_max;
 107         int type;
 108         usb_complete_t irq;
 109 };
 110
 111 struct wacom {
 112         signed char *data;
 113         dma_addr_t data_dma;
 114         struct input_dev dev;
 115         struct usb_device *usbdev;
 116         struct urb *irq;
 117         struct wacom_features *features;
 118         int tool[2];
 119         __u32 serial[2];
 120         char phys[32];
 121 };
 122
 123 #define USB_REQ_SET_REPORT      0x09
 124 static int usb_set_report(struct usb_interface *intf, unsigned char type,
 125                                 unsigned char id, void *buf, int size)
 126 {
 127         return usb_control_msg(interface_to_usbdev(intf),
 128                 usb_sndctrlpipe(interface_to_usbdev(intf), 0),
 129                 USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
 130                 (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
 131                 buf, size, 1000);
 132 }
 133
 134 static void wacom_pl_irq(struct urb *urb, struct pt_regs *regs)
 135 {
 136         struct wacom *wacom = urb->context;
 137         unsigned char *data = wacom->data;
 138         struct input_dev *dev = &wacom->dev;
 139         int prox, pressure;
 140         int retval;
 141
 142         switch (urb->status) {
 143         case 0:
 144                 /* success */
 145                 break;
 146         case -ECONNRESET:
 147         case -ENOENT:
 148         case -ESHUTDOWN:
 149                 /* this urb is terminated, clean up */
 150                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 151                 return;
 152         default:
 153                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 154                 goto exit;
 155         }
 156
 157         if (data[0] != 2) {
 158                 dbg("wacom_pl_irq: received unknown report #%d", data[0]);
 159                 goto exit;
 160         }
 161
 162         prox = data[1] & 0x40;
 163
 164         input_regs(dev, regs);
 165
 166         if (prox) {
 167
 168                 pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
 169                 if (wacom->features->pressure_max > 255)
 170                         pressure = (pressure << 1) | ((data[4] >> 6) & 1);
 171                 pressure += (wacom->features->pressure_max + 1) / 2;
 172
 173                 /*
 174                  * if going from out of proximity into proximity select between the eraser
 175                  * and the pen based on the state of the stylus2 button, choose eraser if
 176                  * pressed else choose pen. if not a proximity change from out to in, send
 177                  * an out of proximity for previous tool then a in for new tool.
 178                  */
 179                 if (!wacom->tool[0]) {
 180                         /* Going into proximity select tool */
 181                         wacom->tool[1] = (data[4] & 0x20)? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
 182                 } else {
 183                         /* was entered with stylus2 pressed */
 184                         if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[4] & 0x20) ) {
 185                                 /* report out proximity for previous tool */
 186                                 input_report_key(dev, wacom->tool[1], 0);
 187                                 input_sync(dev);
 188                                 wacom->tool[1] = BTN_TOOL_PEN;
 189                                 goto exit;
 190                         }
 191                 }
 192                 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
 193                         /* Unknown tool selected default to pen tool */
 194                         wacom->tool[1] = BTN_TOOL_PEN;
 195                 }
 196                 input_report_key(dev, wacom->tool[1], prox); /* report in proximity for tool */
 197                 input_report_abs(dev, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
 198                 input_report_abs(dev, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
 199                 input_report_abs(dev, ABS_PRESSURE, pressure);
 200
 201                 input_report_key(dev, BTN_TOUCH, data[4] & 0x08);
 202                 input_report_key(dev, BTN_STYLUS, data[4] & 0x10);
 203                 /* Only allow the stylus2 button to be reported for the pen tool. */
 204                 input_report_key(dev, BTN_STYLUS2, (wacom->tool[1] == BTN_TOOL_PEN) && (data[4] & 0x20));
 205         } else {
 206                 /* report proximity-out of a (valid) tool */
 207                 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
 208                         /* Unknown tool selected default to pen tool */
 209                         wacom->tool[1] = BTN_TOOL_PEN;
 210                 }
 211                 input_report_key(dev, wacom->tool[1], prox);
 212         }
 213
 214         wacom->tool[0] = prox; /* Save proximity state */
 215         input_sync(dev);
 216
 217  exit:
 218         retval = usb_submit_urb (urb, GFP_ATOMIC);
 219         if (retval)
 220                 err ("%s - usb_submit_urb failed with result %d",
 221                      __FUNCTION__, retval);
 222 }
 223
 224 static void wacom_ptu_irq(struct urb *urb, struct pt_regs *regs)
 225 {
 226         struct wacom *wacom = urb->context;
 227         unsigned char *data = wacom->data;
 228         struct input_dev *dev = &wacom->dev;
 229         int retval;
 230
 231         switch (urb->status) {
 232         case 0:
 233                 /* success */
 234                 break;
 235         case -ECONNRESET:
 236         case -ENOENT:
 237         case -ESHUTDOWN:
 238                 /* this urb is terminated, clean up */
 239                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 240                 return;
 241         default:
 242                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 243                 goto exit;
 244         }
 245
 246         if (data[0] != 2) {
 247                 printk(KERN_INFO "wacom_ptu_irq: received unknown report #%d\n", data[0]);
 248                 goto exit;
 249         }
 250
 251         input_regs(dev, regs);
 252         if (data[1] & 0x04) {
 253                 input_report_key(dev, BTN_TOOL_RUBBER, data[1] & 0x20);
 254                 input_report_key(dev, BTN_TOUCH, data[1] & 0x08);
 255         } else {
 256                 input_report_key(dev, BTN_TOOL_PEN, data[1] & 0x20);
 257                 input_report_key(dev, BTN_TOUCH, data[1] & 0x01);
 258         }
 259         input_report_abs(dev, ABS_X, le16_to_cpu(*(__le16 *) &data[2]));
 260         input_report_abs(dev, ABS_Y, le16_to_cpu(*(__le16 *) &data[4]));
 261         input_report_abs(dev, ABS_PRESSURE, le16_to_cpu(*(__le16 *) &data[6]));
 262         input_report_key(dev, BTN_STYLUS, data[1] & 0x02);
 263         input_report_key(dev, BTN_STYLUS2, data[1] & 0x10);
 264
 265         input_sync(dev);
 266
 267  exit:
 268         retval = usb_submit_urb (urb, GFP_ATOMIC);
 269         if (retval)
 270                 err ("%s - usb_submit_urb failed with result %d",
 271                      __FUNCTION__, retval);
 272 }
 273
 274 static void wacom_penpartner_irq(struct urb *urb, struct pt_regs *regs)
 275 {
 276         struct wacom *wacom = urb->context;
 277         unsigned char *data = wacom->data;
 278         struct input_dev *dev = &wacom->dev;
 279         int retval;
 280
 281         switch (urb->status) {
 282         case 0:
 283                 /* success */
 284                 break;
 285         case -ECONNRESET:
 286         case -ENOENT:
 287         case -ESHUTDOWN:
 288                 /* this urb is terminated, clean up */
 289                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 290                 return;
 291         default:
 292                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 293                 goto exit;
 294         }
 295
 296         if (data[0] != 2) {
 297                 printk(KERN_INFO "wacom_penpartner_irq: received unknown report #%d\n", data[0]);
 298                 goto exit;
 299         }
 300
 301         input_regs(dev, regs);
 302         input_report_key(dev, BTN_TOOL_PEN, 1);
 303         input_report_abs(dev, ABS_X, le16_to_cpu(*(__le16 *) &data[1]));
 304         input_report_abs(dev, ABS_Y, le16_to_cpu(*(__le16 *) &data[3]));
 305         input_report_abs(dev, ABS_PRESSURE, (signed char)data[6] + 127);
 306         input_report_key(dev, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
 307         input_report_key(dev, BTN_STYLUS, (data[5] & 0x40));
 308         input_sync(dev);
 309
 310  exit:
 311         retval = usb_submit_urb (urb, GFP_ATOMIC);
 312         if (retval)
 313                 err ("%s - usb_submit_urb failed with result %d",
 314                      __FUNCTION__, retval);
 315 }
 316
 317 static void wacom_graphire_irq(struct urb *urb, struct pt_regs *regs)
 318 {
 319         struct wacom *wacom = urb->context;
 320         unsigned char *data = wacom->data;
 321         struct input_dev *dev = &wacom->dev;
 322         int x, y;
 323         int retval;
 324
 325         switch (urb->status) {
 326         case 0:
 327                 /* success */
 328                 break;
 329         case -ECONNRESET:
 330         case -ENOENT:
 331         case -ESHUTDOWN:
 332                 /* this urb is terminated, clean up */
 333                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 334                 return;
 335         default:
 336                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 337                 goto exit;
 338         }
 339
 340         if (data[0] != 2) {
 341                 dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
 342                 goto exit;
 343         }
 344
 345         x = le16_to_cpu(*(__le16 *) &data[2]);
 346         y = le16_to_cpu(*(__le16 *) &data[4]);
 347
 348         input_regs(dev, regs);
 349
 350         if (data[1] & 0x10) { /* in prox */
 351
 352                 switch ((data[1] >> 5) & 3) {
 353
 354                         case 0: /* Pen */
 355                                 wacom->tool[0] = BTN_TOOL_PEN;
 356                                 break;
 357
 358                         case 1: /* Rubber */
 359                                 wacom->tool[0] = BTN_TOOL_RUBBER;
 360                                 break;
 361
 362                         case 2: /* Mouse with wheel */
 363                                 input_report_key(dev, BTN_MIDDLE, data[1] & 0x04);
 364                                 input_report_rel(dev, REL_WHEEL, (signed char) data[6]);
 365                                 /* fall through */
 366
 367                         case 3: /* Mouse without wheel */
 368                                 wacom->tool[0] = BTN_TOOL_MOUSE;
 369                                 input_report_key(dev, BTN_LEFT, data[1] & 0x01);
 370                                 input_report_key(dev, BTN_RIGHT, data[1] & 0x02);
 371                                 input_report_abs(dev, ABS_DISTANCE, data[7]);
 372                                 break;
 373                 }
 374         }
 375
 376         if (data[1] & 0x80) {
 377                 input_report_abs(dev, ABS_X, x);
 378                 input_report_abs(dev, ABS_Y, y);
 379         }
 380         if (wacom->tool[0] != BTN_TOOL_MOUSE) {
 381                 input_report_abs(dev, ABS_PRESSURE, le16_to_cpu(*(__le16 *) &data[6]));
 382                 input_report_key(dev, BTN_TOUCH, data[1] & 0x01);
 383                 input_report_key(dev, BTN_STYLUS, data[1] & 0x02);
 384                 input_report_key(dev, BTN_STYLUS2, data[1] & 0x04);
 385         }
 386
 387         input_report_key(dev, wacom->tool[0], data[1] & 0x10);
 388         input_sync(dev);
 389
 390  exit:
 391         retval = usb_submit_urb (urb, GFP_ATOMIC);
 392         if (retval)
 393                 err ("%s - usb_submit_urb failed with result %d",
 394                      __FUNCTION__, retval);
 395 }
 396
 397 static int wacom_intuos_inout(struct urb *urb)
 398 {
 399         struct wacom *wacom = urb->context;
 400         unsigned char *data = wacom->data;
 401         struct input_dev *dev = &wacom->dev;
 402         int idx;
 403
 404         /* tool number */
 405         idx = data[1] & 0x01;
 406
 407         /* Enter report */
 408         if ((data[1] & 0xfc) == 0xc0) {
 409                 /* serial number of the tool */
 410                 wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
 411                         (data[4] << 20) + (data[5] << 12) +
 412                         (data[6] << 4) + (data[7] >> 4);
 413
 414                 switch ((data[2] << 4) | (data[3] >> 4)) {
 415                         case 0x812: /* Inking pen */
 416                         case 0x801: /* Intuos3 Inking pen */
 417                         case 0x012:
 418                                 wacom->tool[idx] = BTN_TOOL_PENCIL;
 419                                 break;
 420                         case 0x822: /* Pen */
 421                         case 0x842:
 422                         case 0x852:
 423                         case 0x823: /* Intuos3 Grip Pen */
 424                         case 0x813: /* Intuos3 Classic Pen */
 425                         case 0x885: /* Intuos3 Marker Pen */
 426                         case 0x022:
 427                                 wacom->tool[idx] = BTN_TOOL_PEN;
 428                                 break;
 429                         case 0x832: /* Stroke pen */
 430                         case 0x032:
 431                                 wacom->tool[idx] = BTN_TOOL_BRUSH;
 432                                 break;
 433                         case 0x007: /* Mouse 4D and 2D */
 434                         case 0x09c:
 435                         case 0x094:
 436                         case 0x017: /* Intuos3 2D Mouse */
 437                                 wacom->tool[idx] = BTN_TOOL_MOUSE;
 438                                 break;
 439                         case 0x096: /* Lens cursor */
 440                         case 0x097: /* Intuos3 Lens cursor */
 441                                 wacom->tool[idx] = BTN_TOOL_LENS;
 442                                 break;
 443                         case 0x82a: /* Eraser */
 444                         case 0x85a:
 445                         case 0x91a:
 446                         case 0xd1a:
 447                         case 0x0fa:
 448                         case 0x82b: /* Intuos3 Grip Pen Eraser */
 449                         case 0x81b: /* Intuos3 Classic Pen Eraser */
 450                         case 0x91b: /* Intuos3 Airbrush Eraser */
 451                                 wacom->tool[idx] = BTN_TOOL_RUBBER;
 452                                 break;
 453                         case 0xd12:
 454                         case 0x912:
 455                         case 0x112:
 456                         case 0x913: /* Intuos3 Airbrush */
 457                                 wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
 458                                 break;
 459                         default: /* Unknown tool */
 460                                 wacom->tool[idx] = BTN_TOOL_PEN;
 461                 }
 462                 input_report_key(dev, wacom->tool[idx], 1);
 463                 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 464                 input_sync(dev);
 465                 return 1;
 466         }
 467
 468         /* Exit report */
 469         if ((data[1] & 0xfe) == 0x80) {
 470                 input_report_key(dev, wacom->tool[idx], 0);
 471                 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 472                 input_sync(dev);
 473                 return 1;
 474         }
 475
 476         return 0;
 477 }
 478
 479 static void wacom_intuos_general(struct urb *urb)
 480 {
 481         struct wacom *wacom = urb->context;
 482         unsigned char *data = wacom->data;
 483         struct input_dev *dev = &wacom->dev;
 484         unsigned int t;
 485
 486         /* general pen packet */
 487         if ((data[1] & 0xb8) == 0xa0) {
 488                 t = (data[6] << 2) | ((data[7] >> 6) & 3);
 489                 input_report_abs(dev, ABS_PRESSURE, t);
 490                 input_report_abs(dev, ABS_TILT_X,
 491                                 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
 492                 input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f);
 493                 input_report_key(dev, BTN_STYLUS, data[1] & 2);
 494                 input_report_key(dev, BTN_STYLUS2, data[1] & 4);
 495                 input_report_key(dev, BTN_TOUCH, t > 10);
 496         }
 497
 498         /* airbrush second packet */
 499         if ((data[1] & 0xbc) == 0xb4) {
 500                 input_report_abs(dev, ABS_WHEEL,
 501                                 (data[6] << 2) | ((data[7] >> 6) & 3));
 502                 input_report_abs(dev, ABS_TILT_X,
 503                                 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
 504                 input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f);
 505         }
 506         return;
 507 }
 508
 509 static void wacom_intuos_irq(struct urb *urb, struct pt_regs *regs)
 510 {
 511         struct wacom *wacom = urb->context;
 512         unsigned char *data = wacom->data;
 513         struct input_dev *dev = &wacom->dev;
 514         unsigned int t;
 515         int idx;
 516         int retval;
 517
 518         switch (urb->status) {
 519         case 0:
 520                 /* success */
 521                 break;
 522         case -ECONNRESET:
 523         case -ENOENT:
 524         case -ESHUTDOWN:
 525                 /* this urb is terminated, clean up */
 526                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 527                 return;
 528         default:
 529                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 530                 goto exit;
 531         }
 532
 533         if (data[0] != 2 && data[0] != 5 && data[0] != 6 && data[0] != 12) {
 534                 dbg("wacom_intuos_irq: received unknown report #%d", data[0]);
 535                 goto exit;
 536         }
 537
 538         input_regs(dev, regs);
 539
 540         /* tool number */
 541         idx = data[1] & 0x01;
 542
 543         /* pad packets. Works as a second tool and is always in prox */
 544         if (data[0] == 12) {
 545                 /* initiate the pad as a device */
 546                 if (wacom->tool[1] != BTN_TOOL_FINGER) {
 547                         wacom->tool[1] = BTN_TOOL_FINGER;
 548                         input_report_key(dev, wacom->tool[1], 1);
 549                 }
 550                 input_report_key(dev, BTN_0, (data[5] & 0x01));
 551                 input_report_key(dev, BTN_1, (data[5] & 0x02));
 552                 input_report_key(dev, BTN_2, (data[5] & 0x04));
 553                 input_report_key(dev, BTN_3, (data[5] & 0x08));
 554                 input_report_key(dev, BTN_4, (data[6] & 0x01));
 555                 input_report_key(dev, BTN_5, (data[6] & 0x02));
 556                 input_report_key(dev, BTN_6, (data[6] & 0x04));
 557                 input_report_key(dev, BTN_7, (data[6] & 0x08));
 558                 input_report_abs(dev, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
 559                 input_report_abs(dev, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
 560                 input_event(dev, EV_MSC, MSC_SERIAL, 0xffffffff);
 561                 input_sync(dev);
 562                 goto exit;
 563         }
 564
 565         /* process in/out prox events */
 566         if (wacom_intuos_inout(urb))
 567                 goto exit;
 568
 569         /* Cintiq doesn't send data when RDY bit isn't set */
 570         if ((wacom->features->type == CINTIQ) && !(data[1] & 0x40))
 571                 return;
 572
 573         if (wacom->features->type >= INTUOS3) {
 574                 input_report_abs(dev, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
 575                 input_report_abs(dev, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
 576                 input_report_abs(dev, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
 577         } else {
 578                 input_report_abs(dev, ABS_X, be16_to_cpu(*(__be16 *) &data[2]));
 579                 input_report_abs(dev, ABS_Y, be16_to_cpu(*(__be16 *) &data[4]));
 580                 input_report_abs(dev, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
 581         }
 582
 583         /* process general packets */
 584         wacom_intuos_general(urb);
 585
 586         /* 4D mouse, 2D mouse, marker pen rotation, or Lens cursor packets */
 587         if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0) {
 588
 589                 if (data[1] & 0x02) {
 590                         /* Rotation packet */
 591                         if (wacom->features->type >= INTUOS3) {
 592                                 /* I3 marker pen rotation reported as wheel
 593                                  * due to valuator limitation
 594                                  */
 595                                 t = (data[6] << 3) | ((data[7] >> 5) & 7);
 596                                 t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
 597                                         ((t-1) / 2 + 450)) : (450 - t / 2) ;
 598                                 input_report_abs(dev, ABS_WHEEL, t);
 599                         } else {
 600                                 /* 4D mouse rotation packet */
 601                                 t = (data[6] << 3) | ((data[7] >> 5) & 7);
 602                                 input_report_abs(dev, ABS_RZ, (data[7] & 0x20) ?
 603                                         ((t - 1) / 2) : -t / 2);
 604                         }
 605
 606                 } else if (!(data[1] & 0x10) && wacom->features->type < INTUOS3) {
 607                         /* 4D mouse packet */
 608                         input_report_key(dev, BTN_LEFT,   data[8] & 0x01);
 609                         input_report_key(dev, BTN_MIDDLE, data[8] & 0x02);
 610                         input_report_key(dev, BTN_RIGHT,  data[8] & 0x04);
 611
 612                         input_report_key(dev, BTN_SIDE,   data[8] & 0x20);
 613                         input_report_key(dev, BTN_EXTRA,  data[8] & 0x10);
 614                         t = (data[6] << 2) | ((data[7] >> 6) & 3);
 615                         input_report_abs(dev, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
 616
 617                 } else if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
 618                         /* 2D mouse packet */
 619                         input_report_key(dev, BTN_LEFT,   data[8] & 0x04);
 620                         input_report_key(dev, BTN_MIDDLE, data[8] & 0x08);
 621                         input_report_key(dev, BTN_RIGHT,  data[8] & 0x10);
 622                         input_report_rel(dev, REL_WHEEL, ((data[8] & 0x02) >> 1)
 623                                                  - (data[8] & 0x01));
 624
 625                         /* I3 2D mouse side buttons */
 626                         if (wacom->features->type == INTUOS3) {
 627                                 input_report_key(dev, BTN_SIDE,   data[8] & 0x40);
 628                                 input_report_key(dev, BTN_EXTRA,  data[8] & 0x20);
 629                         }
 630
 631                 } else if (wacom->features->type < INTUOS3) {
 632                         /* Lens cursor packets */
 633                         input_report_key(dev, BTN_LEFT,   data[8] & 0x01);
 634                         input_report_key(dev, BTN_MIDDLE, data[8] & 0x02);
 635                         input_report_key(dev, BTN_RIGHT,  data[8] & 0x04);
 636                         input_report_key(dev, BTN_SIDE,   data[8] & 0x10);
 637                         input_report_key(dev, BTN_EXTRA,  data[8] & 0x08);
 638                 }
 639         }
 640
 641         input_report_key(dev, wacom->tool[idx], 1);
 642         input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 643         input_sync(dev);
 644
 645 exit:
 646         retval = usb_submit_urb (urb, GFP_ATOMIC);
 647         if (retval)
 648                 err ("%s - usb_submit_urb failed with result %d",
 649                     __FUNCTION__, retval);
 650 }
 651
 652 static struct wacom_features wacom_features[] = {
 653         { "Wacom Penpartner",    7,   5040,  3780,  255, 32, PENPARTNER, wacom_penpartner_irq },
 654         { "Wacom Graphire",      8,  10206,  7422,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 655         { "Wacom Graphire2 4x5", 8,  10206,  7422,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 656         { "Wacom Graphire2 5x7", 8,  13918, 10206,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 657         { "Wacom Graphire3",     8,  10208,  7424,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 658         { "Wacom Graphire3 6x8", 8,  16704, 12064,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 659         { "Wacom Intuos 4x5",   10,  12700, 10600, 1023, 15, INTUOS,     wacom_intuos_irq },
 660         { "Wacom Intuos 6x8",   10,  20320, 16240, 1023, 15, INTUOS,     wacom_intuos_irq },
 661         { "Wacom Intuos 9x12",  10,  30480, 24060, 1023, 15, INTUOS,     wacom_intuos_irq },
 662         { "Wacom Intuos 12x12", 10,  30480, 31680, 1023, 15, INTUOS,     wacom_intuos_irq },
 663         { "Wacom Intuos 12x18", 10,  45720, 31680, 1023, 15, INTUOS,     wacom_intuos_irq },
 664         { "Wacom PL400",         8,   5408,  4056,  255, 32, PL,         wacom_pl_irq },
 665         { "Wacom PL500",         8,   6144,  4608,  255, 32, PL,         wacom_pl_irq },
 666         { "Wacom PL600",         8,   6126,  4604,  255, 32, PL,         wacom_pl_irq },
 667         { "Wacom PL600SX",       8,   6260,  5016,  255, 32, PL,         wacom_pl_irq },
 668         { "Wacom PL550",         8,   6144,  4608,  511, 32, PL,         wacom_pl_irq },
 669         { "Wacom PL800",         8,   7220,  5780,  511, 32, PL,         wacom_pl_irq },
 670         { "Wacom Intuos2 4x5",   10, 12700, 10600, 1023, 15, INTUOS,     wacom_intuos_irq },
 671         { "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 15, INTUOS,     wacom_intuos_irq },
 672         { "Wacom Intuos2 9x12",  10, 30480, 24060, 1023, 15, INTUOS,     wacom_intuos_irq },
 673         { "Wacom Intuos2 12x12", 10, 30480, 31680, 1023, 15, INTUOS,     wacom_intuos_irq },
 674         { "Wacom Intuos2 12x18", 10, 45720, 31680, 1023, 15, INTUOS,     wacom_intuos_irq },
 675         { "Wacom Volito",        8,   5104,  3712,  511, 32, GRAPHIRE,   wacom_graphire_irq },
 676         { "Wacom Cintiq Partner",8,  20480, 15360,  511, 32, PL,         wacom_ptu_irq },
 677         { "Wacom Intuos3 4x5",   10, 25400, 20320, 1023, 15, INTUOS3,    wacom_intuos_irq },
 678         { "Wacom Intuos3 6x8",   10, 40640, 30480, 1023, 15, INTUOS3,    wacom_intuos_irq },
 679         { "Wacom Intuos3 9x12",  10, 60960, 45720, 1023, 15, INTUOS3,    wacom_intuos_irq },
 680         { "Wacom Cintiq 21UX",   10, 87200, 65600, 1023, 15, CINTIQ,     wacom_intuos_irq },
 681         { "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 15, INTUOS,     wacom_intuos_irq },
 682         { }
 683 };
 684
 685 static struct usb_device_id wacom_ids[] = {
 686         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x00) },
 687         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x10) },
 688         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x11) },
 689         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x12) },
 690         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x13) },
 691         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x14) },
 692         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x20) },
 693         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x21) },
 694         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x22) },
 695         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x23) },
 696         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x24) },
 697         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x30) },
 698         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x31) },
 699         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x32) },
 700         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x33) },
 701         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x34) },
 702         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x35) },
 703         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x41) },
 704         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x42) },
 705         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x43) },
 706         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x44) },
 707         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x45) },
 708         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x60) },
 709         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x03) },
 710         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB0) },
 711         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB1) },
 712         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB2) },
 713         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x3F) },
 714         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x47) },
 715         { }
 716 };
 717
 718 MODULE_DEVICE_TABLE(usb, wacom_ids);
 719
 720 static int wacom_open(struct input_dev *dev)
 721 {
 722         struct wacom *wacom = dev->private;
 723
 724         wacom->irq->dev = wacom->usbdev;
 725         if (usb_submit_urb(wacom->irq, GFP_KERNEL))
 726                 return -EIO;
 727
 728         return 0;
 729 }
 730
 731 static void wacom_close(struct input_dev *dev)
 732 {
 733         struct wacom *wacom = dev->private;
 734
 735         usb_kill_urb(wacom->irq);
 736 }
 737
 738 static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
 739 {
 740         struct usb_device *dev = interface_to_usbdev(intf);
 741         struct usb_endpoint_descriptor *endpoint;
 742         char rep_data[2] = {0x02, 0x02};
 743         struct wacom *wacom;
 744         char path[64];
 745
 746         if (!(wacom = kmalloc(sizeof(struct wacom), GFP_KERNEL)))
 747                 return -ENOMEM;
 748         memset(wacom, 0, sizeof(struct wacom));
 749
 750         wacom->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma);
 751         if (!wacom->data) {
 752                 kfree(wacom);
 753                 return -ENOMEM;
 754         }
 755
 756         wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
 757         if (!wacom->irq) {
 758                 usb_buffer_free(dev, 10, wacom->data, wacom->data_dma);
 759                 kfree(wacom);
 760                 return -ENOMEM;
 761         }
 762
 763         wacom->features = wacom_features + (id - wacom_ids);
 764
 765         wacom->dev.evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS);
 766         wacom->dev.absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
 767         wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH) | BIT(BTN_STYLUS);
 768
 769         switch (wacom->features->type) {
 770                 case GRAPHIRE:
 771                         wacom->dev.evbit[0] |= BIT(EV_REL);
 772                         wacom->dev.relbit[0] |= BIT(REL_WHEEL);
 773                         wacom->dev.absbit[0] |= BIT(ABS_DISTANCE);
 774                         wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
 775                         wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_STYLUS2);
 776                         break;
 777
 778                 case INTUOS3:
 779                 case CINTIQ:
 780                         wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_FINGER);
 781                         wacom->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);
 782                         wacom->dev.absbit[0] |= BIT(ABS_RX) | BIT(ABS_RY);
 783                         /* fall through */
 784
 785                 case INTUOS:
 786                         wacom->dev.evbit[0] |= BIT(EV_MSC) | BIT(EV_REL);
 787                         wacom->dev.mscbit[0] |= BIT(MSC_SERIAL);
 788                         wacom->dev.relbit[0] |= BIT(REL_WHEEL);
 789                         wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE) | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
 790                         wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_TOOL_BRUSH)
 791                                                           | BIT(BTN_TOOL_PENCIL) | BIT(BTN_TOOL_AIRBRUSH) | BIT(BTN_TOOL_LENS) | BIT(BTN_STYLUS2);
 792                         wacom->dev.absbit[0] |= BIT(ABS_DISTANCE) | BIT(ABS_WHEEL) | BIT(ABS_TILT_X) | BIT(ABS_TILT_Y) | BIT(ABS_RZ) | BIT(ABS_THROTTLE);
 793                         break;
 794
 795                 case PL:
 796                         wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_STYLUS2) | BIT(BTN_TOOL_RUBBER);
 797                         break;
 798         }
 799
 800         wacom->dev.absmax[ABS_X] = wacom->features->x_max;
 801         wacom->dev.absmax[ABS_Y] = wacom->features->y_max;
 802         wacom->dev.absmax[ABS_PRESSURE] = wacom->features->pressure_max;
 803         wacom->dev.absmax[ABS_DISTANCE] = wacom->features->distance_max;
 804         wacom->dev.absmax[ABS_TILT_X] = 127;
 805         wacom->dev.absmax[ABS_TILT_Y] = 127;
 806         wacom->dev.absmax[ABS_WHEEL] = 1023;
 807
 808         wacom->dev.absmax[ABS_RX] = 4097;
 809         wacom->dev.absmax[ABS_RY] = 4097;
 810         wacom->dev.absmin[ABS_RZ] = -900;
 811         wacom->dev.absmax[ABS_RZ] = 899;
 812         wacom->dev.absmin[ABS_THROTTLE] = -1023;
 813         wacom->dev.absmax[ABS_THROTTLE] = 1023;
 814
 815         wacom->dev.absfuzz[ABS_X] = 4;
 816         wacom->dev.absfuzz[ABS_Y] = 4;
 817
 818         wacom->dev.private = wacom;
 819         wacom->dev.open = wacom_open;
 820         wacom->dev.close = wacom_close;
 821
 822         usb_make_path(dev, path, 64);
 823         sprintf(wacom->phys, "%s/input0", path);
 824
 825         wacom->dev.name = wacom->features->name;
 826         wacom->dev.phys = wacom->phys;
 827         usb_to_input_id(dev, &wacom->dev.id);
 828         wacom->dev.dev = &intf->dev;
 829         wacom->usbdev = dev;
 830
 831         endpoint = &intf->cur_altsetting->endpoint[0].desc;
 832
 833         if (wacom->features->pktlen > 10)
 834                 BUG();
 835
 836         usb_fill_int_urb(wacom->irq, dev,
 837                          usb_rcvintpipe(dev, endpoint->bEndpointAddress),
 838                          wacom->data, wacom->features->pktlen,
 839                          wacom->features->irq, wacom, endpoint->bInterval);
 840         wacom->irq->transfer_dma = wacom->data_dma;
 841         wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 842
 843         input_register_device(&wacom->dev);
 844
 845         /* ask the tablet to report tablet data */
 846         usb_set_report(intf, 3, 2, rep_data, 2);
 847         /* repeat once (not sure why the first call often fails) */
 848         usb_set_report(intf, 3, 2, rep_data, 2);
 849
 850         printk(KERN_INFO "input: %s on %s\n", wacom->features->name, path);
 851
 852         usb_set_intfdata(intf, wacom);
 853
 854         return 0;
 855 }
 856
 857 static void wacom_disconnect(struct usb_interface *intf)
 858 {
 859         struct wacom *wacom = usb_get_intfdata (intf);
 860
 861         usb_set_intfdata(intf, NULL);
 862         if (wacom) {
 863                 usb_kill_urb(wacom->irq);
 864                 input_unregister_device(&wacom->dev);
 865                 usb_free_urb(wacom->irq);
 866                 usb_buffer_free(interface_to_usbdev(intf), 10, wacom->data, wacom->data_dma);
 867                 kfree(wacom);
 868         }
 869 }
 870
 871 static struct usb_driver wacom_driver = {
 872         .owner =        THIS_MODULE,
 873         .name =         "wacom",
 874         .probe =        wacom_probe,
 875         .disconnect =   wacom_disconnect,
 876         .id_table =     wacom_ids,
 877 };
 878
 879 static int __init wacom_init(void)
 880 {
 881         int result = usb_register(&wacom_driver);
 882         if (result == 0)
 883                 info(DRIVER_VERSION ":" DRIVER_DESC);
 884         return result;
 885 }
 886
 887 static void __exit wacom_exit(void)
 888 {
 889         usb_deregister(&wacom_driver);
 890 }
 891
 892 module_init(wacom_init);
 893 module_exit(wacom_exit);