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) 2002-2004 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  */
  55
  56 /*
  57  * This program is free software; you can redistribute it and/or modify
  58  * it under the terms of the GNU General Public License as published by
  59  * the Free Software Foundation; either version 2 of the License, or
  60  * (at your option) any later version.
  61  */
  62
  63 #include <linux/kernel.h>
  64 #include <linux/slab.h>
  65 #include <linux/input.h>
  66 #include <linux/module.h>
  67 #include <linux/init.h>
  68 #include <linux/usb.h>
  69 #include <asm/unaligned.h>
  70 #include <asm/byteorder.h>
  71
  72 /*
  73  * Version Information
  74  */
  75 #define DRIVER_VERSION "v1.30"
  76 #define DRIVER_AUTHOR "Vojtech Pavlik <vojtech@ucw.cz>"
  77 #define DRIVER_DESC "USB Wacom Graphire and Wacom Intuos tablet driver"
  78 #define DRIVER_LICENSE "GPL"
  79
  80 MODULE_AUTHOR(DRIVER_AUTHOR);
  81 MODULE_DESCRIPTION(DRIVER_DESC);
  82 MODULE_LICENSE(DRIVER_LICENSE);
  83
  84 #define USB_VENDOR_ID_WACOM     0x056a
  85
  86 struct wacom_features {
  87         char *name;
  88         int pktlen;
  89         int x_max;
  90         int y_max;
  91         int pressure_max;
  92         int distance_max;
  93         int type;
  94         usb_complete_t irq;
  95 };
  96
  97 struct wacom {
  98         signed char *data;
  99         dma_addr_t data_dma;
 100         struct input_dev dev;
 101         struct usb_device *usbdev;
 102         struct urb *irq;
 103         struct wacom_features *features;
 104         int tool[2];
 105         int open;
 106         __u32 serial[2];
 107         char phys[32];
 108 };
 109
 110 #define USB_REQ_SET_REPORT      0x09
 111 static int usb_set_report(struct usb_interface *intf, unsigned char type,
 112                                 unsigned char id, void *buf, int size)
 113 {
 114         return usb_control_msg(interface_to_usbdev(intf),
 115                 usb_sndctrlpipe(interface_to_usbdev(intf), 0),
 116                 USB_REQ_SET_REPORT, USB_TYPE_CLASS | USB_RECIP_INTERFACE,
 117                 (type << 8) + id, intf->altsetting[0].desc.bInterfaceNumber,
 118                 buf, size, HZ);
 119 }
 120
 121 static void wacom_pl_irq(struct urb *urb, struct pt_regs *regs)
 122 {
 123         struct wacom *wacom = urb->context;
 124         unsigned char *data = wacom->data;
 125         struct input_dev *dev = &wacom->dev;
 126         int prox, pressure;
 127         int retval;
 128
 129         switch (urb->status) {
 130         case 0:
 131                 /* success */
 132                 break;
 133         case -ECONNRESET:
 134         case -ENOENT:
 135         case -ESHUTDOWN:
 136                 /* this urb is terminated, clean up */
 137                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 138                 return;
 139         default:
 140                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 141                 goto exit;
 142         }
 143
 144         if (data[0] != 2)
 145                 dbg("wacom_pl_irq: received unknown report #%d", data[0]);
 146
 147         prox = data[1] & 0x40;
 148
 149         input_regs(dev, regs);
 150
 151         if (prox) {
 152
 153                 pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
 154                 if (wacom->features->pressure_max > 255)
 155                         pressure = (pressure << 1) | ((data[4] >> 6) & 1);
 156                 pressure += (wacom->features->pressure_max + 1) / 2;
 157
 158                 /*
 159                  * if going from out of proximity into proximity select between the eraser
 160                  * and the pen based on the state of the stylus2 button, choose eraser if
 161                  * pressed else choose pen. if not a proximity change from out to in, send
 162                  * an out of proximity for previous tool then a in for new tool.
 163                  */
 164                 if (!wacom->tool[0]) {
 165                         /* Going into proximity select tool */
 166                         wacom->tool[1] = (data[4] & 0x20)? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
 167                 }
 168                 else {
 169                         /* was entered with stylus2 pressed */
 170                         if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[4] & 0x20) ) {
 171                                 /* report out proximity for previous tool */
 172                                 input_report_key(dev, wacom->tool[1], 0);
 173                                 input_sync(dev);
 174                                 wacom->tool[1] = BTN_TOOL_PEN;
 175                                 goto exit;
 176                         }
 177                 }
 178                 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
 179                         /* Unknown tool selected default to pen tool */
 180                         wacom->tool[1] = BTN_TOOL_PEN;
 181                 }
 182                 input_report_key(dev, wacom->tool[1], prox); /* report in proximity for tool */
 183                 input_report_abs(dev, ABS_X, data[3] | ((__u32)data[2] << 7) | ((__u32)(data[1] & 0x03) << 14));
 184                 input_report_abs(dev, ABS_Y, data[6] | ((__u32)data[5] << 7) | ((__u32)(data[4] & 0x03) << 14));
 185                 input_report_abs(dev, ABS_PRESSURE, pressure);
 186
 187                 input_report_key(dev, BTN_TOUCH, data[4] & 0x08);
 188                 input_report_key(dev, BTN_STYLUS, data[4] & 0x10);
 189                 /* Only allow the stylus2 button to be reported for the pen tool. */
 190                 input_report_key(dev, BTN_STYLUS2, (wacom->tool[1] == BTN_TOOL_PEN) && (data[4] & 0x20));
 191         }
 192         else {
 193                 /* report proximity-out of a (valid) tool */
 194                 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
 195                         /* Unknown tool selected default to pen tool */
 196                         wacom->tool[1] = BTN_TOOL_PEN;
 197                 }
 198                 input_report_key(dev, wacom->tool[1], prox);
 199         }
 200
 201         wacom->tool[0] = prox; /* Save proximity state */
 202         input_sync(dev);
 203
 204 exit:
 205         retval = usb_submit_urb (urb, GFP_ATOMIC);
 206         if (retval)
 207                 err ("%s - usb_submit_urb failed with result %d",
 208                      __FUNCTION__, retval);
 209 }
 210
 211 static void wacom_ptu_irq(struct urb *urb, struct pt_regs *regs)
 212 {
 213         struct wacom *wacom = urb->context;
 214         unsigned char *data = wacom->data;
 215         struct input_dev *dev = &wacom->dev;
 216         int retval;
 217
 218         switch (urb->status) {
 219         case 0:
 220                 /* success */
 221                 break;
 222         case -ECONNRESET:
 223         case -ENOENT:
 224         case -ESHUTDOWN:
 225                 /* this urb is terminated, clean up */
 226                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 227                 return;
 228         default:
 229                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 230                 goto exit;
 231         }
 232
 233         if (data[0] != 2)
 234         {
 235                 printk(KERN_INFO "wacom_ptu_irq: received unknown report #%d\n", data[0]);
 236         }
 237
 238         input_regs(dev, regs);
 239         if (data[1] & 0x04)
 240         {
 241                 input_report_key(dev, BTN_TOOL_RUBBER, data[1] & 0x20);
 242                 input_report_key(dev, BTN_TOUCH, data[1] & 0x08);
 243         }
 244         else
 245         {
 246                 input_report_key(dev, BTN_TOOL_PEN, data[1] & 0x20);
 247                 input_report_key(dev, BTN_TOUCH, data[1] & 0x01);
 248         }
 249         input_report_abs(dev, ABS_X, data[3] << 8 | data[2]);
 250         input_report_abs(dev, ABS_Y, data[5] << 8 | data[4]);
 251         input_report_abs(dev, ABS_PRESSURE, (data[6]|data[7] << 8));
 252         input_report_key(dev, BTN_STYLUS, data[1] & 0x02);
 253         input_report_key(dev, BTN_STYLUS2, data[1] & 0x10);
 254
 255         input_sync(dev);
 256
 257 exit:
 258         retval = usb_submit_urb (urb, GFP_ATOMIC);
 259         if (retval)
 260                 err ("%s - usb_submit_urb failed with result %d",
 261                      __FUNCTION__, retval);
 262 }
 263
 264 static void wacom_penpartner_irq(struct urb *urb, struct pt_regs *regs)
 265 {
 266         struct wacom *wacom = urb->context;
 267         unsigned char *data = wacom->data;
 268         struct input_dev *dev = &wacom->dev;
 269         int retval;
 270
 271         switch (urb->status) {
 272         case 0:
 273                 /* success */
 274                 break;
 275         case -ECONNRESET:
 276         case -ENOENT:
 277         case -ESHUTDOWN:
 278                 /* this urb is terminated, clean up */
 279                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 280                 return;
 281         default:
 282                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 283                 goto exit;
 284         }
 285
 286         input_regs(dev, regs);
 287         input_report_key(dev, BTN_TOOL_PEN, 1);
 288         input_report_abs(dev, ABS_X, le16_to_cpu(get_unaligned((u16 *) &data[1])));
 289         input_report_abs(dev, ABS_Y, le16_to_cpu(get_unaligned((u16 *) &data[3])));
 290         input_report_abs(dev, ABS_PRESSURE, (signed char)data[6] + 127);
 291         input_report_key(dev, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
 292         input_report_key(dev, BTN_STYLUS, (data[5] & 0x40));
 293         input_sync(dev);
 294
 295 exit:
 296         retval = usb_submit_urb (urb, GFP_ATOMIC);
 297         if (retval)
 298                 err ("%s - usb_submit_urb failed with result %d",
 299                      __FUNCTION__, retval);
 300 }
 301
 302 static void wacom_graphire_irq(struct urb *urb, struct pt_regs *regs)
 303 {
 304         struct wacom *wacom = urb->context;
 305         unsigned char *data = wacom->data;
 306         struct input_dev *dev = &wacom->dev;
 307         int x, y;
 308         int retval;
 309
 310         switch (urb->status) {
 311         case 0:
 312                 /* success */
 313                 break;
 314         case -ECONNRESET:
 315         case -ENOENT:
 316         case -ESHUTDOWN:
 317                 /* this urb is terminated, clean up */
 318                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 319                 return;
 320         default:
 321                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 322                 goto exit;
 323         }
 324
 325         /* check if we can handle the data */
 326         if (data[0] == 99)
 327                 goto exit;
 328
 329         if (data[0] != 2)
 330                 dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
 331
 332         x = le16_to_cpu(*(u16 *) &data[2]);
 333         y = le16_to_cpu(*(u16 *) &data[4]);
 334
 335         input_regs(dev, regs);
 336
 337         switch ((data[1] >> 5) & 3) {
 338
 339                 case 0: /* Pen */
 340                         input_report_key(dev, BTN_TOOL_PEN, data[1] & 0x80);
 341                         break;
 342
 343                 case 1: /* Rubber */
 344                         input_report_key(dev, BTN_TOOL_RUBBER, data[1] & 0x80);
 345                         break;
 346
 347                 case 2: /* Mouse with wheel */
 348                         input_report_key(dev, BTN_MIDDLE, data[1] & 0x04);
 349                         input_report_rel(dev, REL_WHEEL, (signed char) data[6]);
 350                         /* fall through */
 351
 352                 case 3: /* Mouse without wheel */
 353                         input_report_key(dev, BTN_TOOL_MOUSE, data[7] > 24);
 354                         input_report_key(dev, BTN_LEFT, data[1] & 0x01);
 355                         input_report_key(dev, BTN_RIGHT, data[1] & 0x02);
 356                         input_report_abs(dev, ABS_DISTANCE, data[7]);
 357
 358                         input_report_abs(dev, ABS_X, x);
 359                         input_report_abs(dev, ABS_Y, y);
 360
 361                         input_sync(dev);
 362                         goto exit;
 363         }
 364
 365         if (data[1] & 0x80) {
 366                 input_report_abs(dev, ABS_X, x);
 367                 input_report_abs(dev, ABS_Y, y);
 368         }
 369
 370         input_report_abs(dev, ABS_PRESSURE, le16_to_cpu(*(u16 *) &data[6]));
 371         input_report_key(dev, BTN_TOUCH, data[1] & 0x01);
 372         input_report_key(dev, BTN_STYLUS, data[1] & 0x02);
 373         input_report_key(dev, BTN_STYLUS2, data[1] & 0x04);
 374
 375         input_sync(dev);
 376
 377 exit:
 378         retval = usb_submit_urb (urb, GFP_ATOMIC);
 379         if (retval)
 380                 err ("%s - usb_submit_urb failed with result %d",
 381                      __FUNCTION__, retval);
 382 }
 383
 384 static void wacom_intuos_irq(struct urb *urb, struct pt_regs *regs)
 385 {
 386         struct wacom *wacom = urb->context;
 387         unsigned char *data = wacom->data;
 388         struct input_dev *dev = &wacom->dev;
 389         unsigned int t;
 390         int idx;
 391         int retval;
 392
 393         switch (urb->status) {
 394         case 0:
 395                 /* success */
 396                 break;
 397         case -ECONNRESET:
 398         case -ENOENT:
 399         case -ESHUTDOWN:
 400                 /* this urb is terminated, clean up */
 401                 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status);
 402                 return;
 403         default:
 404                 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status);
 405                 goto exit;
 406         }
 407
 408         if (data[0] != 2)
 409                 dbg("wacom_intuos_irq: received unknown report #%d", data[0]);
 410
 411         input_regs(dev, regs);
 412
 413         /* tool number */
 414         idx = data[1] & 0x01;
 415
 416         if ((data[1] & 0xfc) == 0xc0) {                                         /* Enter report */
 417
 418                 wacom->serial[idx] = ((__u32)(data[3] & 0x0f) << 28) +          /* serial number of the tool */
 419                         ((__u32)data[4] << 20) + ((__u32)data[5] << 12) +
 420                         ((__u32)data[6] << 4) + (data[7] >> 4);
 421
 422                 switch (((__u32)data[2] << 4) | (data[3] >> 4)) {
 423                         case 0x812:
 424                         case 0x012: wacom->tool[idx] = BTN_TOOL_PENCIL;         break;  /* Inking pen */
 425                         case 0x822:
 426                         case 0x842:
 427                         case 0x852:
 428                         case 0x022: wacom->tool[idx] = BTN_TOOL_PEN;            break;  /* Pen */
 429                         case 0x832:
 430                         case 0x032: wacom->tool[idx] = BTN_TOOL_BRUSH;          break;  /* Stroke pen */
 431                         case 0x007:
 432                         case 0x09c:
 433                         case 0x094: wacom->tool[idx] = BTN_TOOL_MOUSE;          break;  /* Mouse 4D and 2D */
 434                         case 0x096: wacom->tool[idx] = BTN_TOOL_LENS;           break;  /* Lens cursor */
 435                         case 0x82a:
 436                         case 0x85a:
 437                         case 0x91a:
 438                         case 0xd1a:
 439                         case 0x0fa: wacom->tool[idx] = BTN_TOOL_RUBBER;         break;  /* Eraser */
 440                         case 0xd12:
 441                         case 0x912:
 442                         case 0x112: wacom->tool[idx] = BTN_TOOL_AIRBRUSH;       break;  /* Airbrush */
 443                         default:    wacom->tool[idx] = BTN_TOOL_PEN;            break;  /* Unknown tool */
 444                 }
 445
 446                 input_report_key(dev, wacom->tool[idx], 1);
 447                 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 448                 input_sync(dev);
 449                 goto exit;
 450         }
 451
 452         if ((data[1] & 0xfe) == 0x80) {                                         /* Exit report */
 453                 input_report_key(dev, wacom->tool[idx], 0);
 454                 input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 455                 input_sync(dev);
 456                 goto exit;
 457         }
 458
 459         input_report_abs(dev, ABS_X, be16_to_cpu(*(u16 *) &data[2]));
 460         input_report_abs(dev, ABS_Y, be16_to_cpu(*(u16 *) &data[4]));
 461         input_report_abs(dev, ABS_DISTANCE, data[9]);
 462
 463         if ((data[1] & 0xb8) == 0xa0) {                                         /* general pen packet */
 464                 input_report_abs(dev, ABS_PRESSURE, t = ((__u32)data[6] << 2) | ((data[7] >> 6) & 3));
 465                 input_report_abs(dev, ABS_TILT_X, ((data[7] << 1) & 0x7e) | (data[8] >> 7));
 466                 input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f);
 467                 input_report_key(dev, BTN_STYLUS, data[1] & 2);
 468                 input_report_key(dev, BTN_STYLUS2, data[1] & 4);
 469                 input_report_key(dev, BTN_TOUCH, t > 10);
 470         }
 471
 472         if ((data[1] & 0xbc) == 0xb4) {                                         /* airbrush second packet */
 473                 input_report_abs(dev, ABS_WHEEL, ((__u32)data[6] << 2) | ((data[7] >> 6) & 3));
 474                 input_report_abs(dev, ABS_TILT_X, ((data[7] << 1) & 0x7e) | (data[8] >> 7));
 475                 input_report_abs(dev, ABS_TILT_Y, data[8] & 0x7f);
 476         }
 477
 478         if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0) {             /* 4D mouse or Lens cursor packets */
 479
 480                 if (data[1] & 0x02) {                                           /* Rotation packet */
 481
 482                         input_report_abs(dev, ABS_RZ, (data[7] & 0x20) ?
 483                                          ((__u32)data[6] << 3) | ((data[7] >> 5) & 7):
 484                                          (-(((__u32)data[6] << 3) | ((data[7] >> 5) & 7))) - 1);
 485
 486                 } else {
 487
 488                         if ((data[1] & 0x10) == 0) {                            /* 4D mouse packets */
 489
 490                                 input_report_key(dev, BTN_LEFT,   data[8] & 0x01);
 491                                 input_report_key(dev, BTN_MIDDLE, data[8] & 0x02);
 492                                 input_report_key(dev, BTN_RIGHT,  data[8] & 0x04);
 493
 494                                 input_report_key(dev, BTN_SIDE,   data[8] & 0x20);
 495                                 input_report_key(dev, BTN_EXTRA,  data[8] & 0x10);
 496                                 input_report_abs(dev, ABS_THROTTLE,  -((data[8] & 0x08) ?
 497                                                  ((__u32)data[6] << 2) | ((data[7] >> 6) & 3) :
 498                                                  -((__u32)data[6] << 2) | ((data[7] >> 6) & 3)));
 499
 500                         } else {
 501                                 if (wacom->tool[idx] == BTN_TOOL_MOUSE) {       /* 2D mouse packets */
 502                                         input_report_key(dev, BTN_LEFT,   data[8] & 0x04);
 503                                         input_report_key(dev, BTN_MIDDLE, data[8] & 0x08);
 504                                         input_report_key(dev, BTN_RIGHT,  data[8] & 0x10);
 505                                         input_report_rel(dev, REL_WHEEL,
 506                                             (-(__u32)(data[8] & 0x01) + (__u32)((data[8] & 0x02) >> 1)));
 507                                 }
 508                                 else {     /* Lens cursor packets */
 509                                         input_report_key(dev, BTN_LEFT,   data[8] & 0x01);
 510                                         input_report_key(dev, BTN_MIDDLE, data[8] & 0x02);
 511                                         input_report_key(dev, BTN_RIGHT,  data[8] & 0x04);
 512                                         input_report_key(dev, BTN_SIDE,   data[8] & 0x10);
 513                                         input_report_key(dev, BTN_EXTRA,  data[8] & 0x08);
 514                                 }
 515                         }
 516                 }
 517         }
 518
 519         input_report_key(dev, wacom->tool[idx], 1);
 520         input_event(dev, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 521         input_sync(dev);
 522
 523 exit:
 524         retval = usb_submit_urb (urb, GFP_ATOMIC);
 525         if (retval)
 526                 err ("%s - usb_submit_urb failed with result %d",
 527                      __FUNCTION__, retval);
 528 }
 529
 530 static struct wacom_features wacom_features[] = {
 531         { "Wacom Penpartner",    7,   5040,  3780,  255, 32, 0, wacom_penpartner_irq },
 532         { "Wacom Graphire",      8,  10206,  7422,  511, 32, 1, wacom_graphire_irq },
 533         { "Wacom Graphire2 4x5", 8,  10206,  7422,  511, 32, 1, wacom_graphire_irq },
 534         { "Wacom Graphire2 5x7", 8,  13918, 10206,  511, 32, 1, wacom_graphire_irq },
 535         { "Wacom Graphire3",     8,  10208,  7424,  511, 32, 1, wacom_graphire_irq },
 536         { "Wacom Graphire3 6x8", 8,  16704, 12064,  511, 32, 1, wacom_graphire_irq },
 537         { "Wacom Intuos 4x5",   10,  12700, 10600, 1023, 15, 2, wacom_intuos_irq },
 538         { "Wacom Intuos 6x8",   10,  20320, 16240, 1023, 15, 2, wacom_intuos_irq },
 539         { "Wacom Intuos 9x12",  10,  30480, 24060, 1023, 15, 2, wacom_intuos_irq },
 540         { "Wacom Intuos 12x12", 10,  30480, 31680, 1023, 15, 2, wacom_intuos_irq },
 541         { "Wacom Intuos 12x18", 10,  45720, 31680, 1023, 15, 2, wacom_intuos_irq },
 542         { "Wacom PL400",         8,   5408,  4056,  255, 32, 3, wacom_pl_irq },
 543         { "Wacom PL500",         8,   6144,  4608,  255, 32, 3, wacom_pl_irq },
 544         { "Wacom PL600",         8,   6126,  4604,  255, 32, 3, wacom_pl_irq },
 545         { "Wacom PL600SX",       8,   6260,  5016,  255, 32, 3, wacom_pl_irq },
 546         { "Wacom PL550",         8,   6144,  4608,  511, 32, 3, wacom_pl_irq },
 547         { "Wacom PL800",         8,   7220,  5780,  511, 32, 3, wacom_pl_irq },
 548         { "Wacom Intuos2 4x5",   10, 12700, 10600, 1023, 15, 2, wacom_intuos_irq },
 549         { "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 15, 2, wacom_intuos_irq },
 550         { "Wacom Intuos2 9x12",  10, 30480, 24060, 1023, 15, 2, wacom_intuos_irq },
 551         { "Wacom Intuos2 12x12", 10, 30480, 31680, 1023, 15, 2, wacom_intuos_irq },
 552         { "Wacom Intuos2 12x18", 10, 45720, 31680, 1023, 15, 2, wacom_intuos_irq },
 553         { "Wacom Volito",        8,   5104,  3712,  511, 32, 1, wacom_graphire_irq },
 554         { "Wacom Cintiq Partner",8,  20480, 15360,  511, 32, 3, wacom_ptu_irq },
 555         { "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 15, 2, wacom_intuos_irq },
 556         { }
 557 };
 558
 559 static struct usb_device_id wacom_ids[] = {
 560         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x00) },
 561         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x10) },
 562         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x11) },
 563         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x12) },
 564         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x13) },
 565         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x14) },
 566         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x20) },
 567         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x21) },
 568         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x22) },
 569         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x23) },
 570         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x24) },
 571         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x30) },
 572         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x31) },
 573         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x32) },
 574         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x33) },
 575         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x34) },
 576         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x35) },
 577         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x41) },
 578         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x42) },
 579         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x43) },
 580         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x44) },
 581         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x45) },
 582         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x60) },
 583         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x03) },
 584         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x47) },
 585         { }
 586 };
 587
 588 MODULE_DEVICE_TABLE(usb, wacom_ids);
 589
 590 static int wacom_open(struct input_dev *dev)
 591 {
 592         struct wacom *wacom = dev->private;
 593
 594         if (wacom->open++)
 595                 return 0;
 596
 597         wacom->irq->dev = wacom->usbdev;
 598         if (usb_submit_urb(wacom->irq, GFP_KERNEL)) {
 599                 wacom->open--;
 600                 return -EIO;
 601         }
 602
 603         return 0;
 604 }
 605
 606 static void wacom_close(struct input_dev *dev)
 607 {
 608         struct wacom *wacom = dev->private;
 609
 610         if (!--wacom->open)
 611                 usb_unlink_urb(wacom->irq);
 612 }
 613
 614 static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *id)
 615 {
 616         struct usb_device *dev = interface_to_usbdev(intf);
 617         struct usb_endpoint_descriptor *endpoint;
 618         char rep_data[2] = {0x02, 0x02};
 619         struct wacom *wacom;
 620         char path[64];
 621
 622         if (!(wacom = kmalloc(sizeof(struct wacom), GFP_KERNEL)))
 623                 return -ENOMEM;
 624         memset(wacom, 0, sizeof(struct wacom));
 625
 626         wacom->data = usb_buffer_alloc(dev, 10, GFP_KERNEL, &wacom->data_dma);
 627         if (!wacom->data) {
 628                 kfree(wacom);
 629                 return -ENOMEM;
 630         }
 631
 632         wacom->irq = usb_alloc_urb(0, GFP_KERNEL);
 633         if (!wacom->irq) {
 634                 usb_buffer_free(dev, 10, wacom->data, wacom->data_dma);
 635                 kfree(wacom);
 636                 return -ENOMEM;
 637         }
 638
 639         wacom->features = wacom_features + (id - wacom_ids);
 640
 641         wacom->dev.evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS);
 642         wacom->dev.absbit[0] |= BIT(ABS_X) | BIT(ABS_Y) | BIT(ABS_PRESSURE);
 643         wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH) | BIT(BTN_STYLUS);
 644
 645         switch (wacom->features->type) {
 646                 case 1:
 647                         wacom->dev.evbit[0] |= BIT(EV_REL);
 648                         wacom->dev.relbit[0] |= BIT(REL_WHEEL);
 649                         wacom->dev.absbit[0] |= BIT(ABS_DISTANCE);
 650                         wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE);
 651                         wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_STYLUS2);
 652                         break;
 653
 654                 case 2:
 655                         wacom->dev.evbit[0] |= BIT(EV_MSC) | BIT(EV_REL);
 656                         wacom->dev.mscbit[0] |= BIT(MSC_SERIAL);
 657                         wacom->dev.relbit[0] |= BIT(REL_WHEEL);
 658                         wacom->dev.keybit[LONG(BTN_LEFT)] |= BIT(BTN_LEFT) | BIT(BTN_RIGHT) | BIT(BTN_MIDDLE) | BIT(BTN_SIDE) | BIT(BTN_EXTRA);
 659                         wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_RUBBER) | BIT(BTN_TOOL_MOUSE) | BIT(BTN_TOOL_BRUSH)
 660                                                           | BIT(BTN_TOOL_PENCIL) | BIT(BTN_TOOL_AIRBRUSH) | BIT(BTN_TOOL_LENS) | BIT(BTN_STYLUS2);
 661                         wacom->dev.absbit[0] |= BIT(ABS_DISTANCE) | BIT(ABS_WHEEL) | BIT(ABS_TILT_X) | BIT(ABS_TILT_Y) | BIT(ABS_RZ) | BIT(ABS_THROTTLE);
 662                         break;
 663
 664                 case 3:
 665                         wacom->dev.keybit[LONG(BTN_DIGI)] |= BIT(BTN_STYLUS2);
 666                         break;
 667         }
 668
 669         wacom->dev.absmax[ABS_X] = wacom->features->x_max;
 670         wacom->dev.absmax[ABS_Y] = wacom->features->y_max;
 671         wacom->dev.absmax[ABS_PRESSURE] = wacom->features->pressure_max;
 672         wacom->dev.absmax[ABS_DISTANCE] = wacom->features->distance_max;
 673         wacom->dev.absmax[ABS_TILT_X] = 127;
 674         wacom->dev.absmax[ABS_TILT_Y] = 127;
 675         wacom->dev.absmax[ABS_WHEEL] = 1023;
 676
 677         wacom->dev.absmin[ABS_RZ] = -900;
 678         wacom->dev.absmax[ABS_RZ] = 899;
 679         wacom->dev.absmin[ABS_THROTTLE] = -1023;
 680         wacom->dev.absmax[ABS_THROTTLE] = 1023;
 681
 682         wacom->dev.absfuzz[ABS_X] = 4;
 683         wacom->dev.absfuzz[ABS_Y] = 4;
 684
 685         wacom->dev.private = wacom;
 686         wacom->dev.open = wacom_open;
 687         wacom->dev.close = wacom_close;
 688
 689         usb_make_path(dev, path, 64);
 690         sprintf(wacom->phys, "%s/input0", path);
 691
 692         wacom->dev.name = wacom->features->name;
 693         wacom->dev.phys = wacom->phys;
 694         wacom->dev.id.bustype = BUS_USB;
 695         wacom->dev.id.vendor = dev->descriptor.idVendor;
 696         wacom->dev.id.product = dev->descriptor.idProduct;
 697         wacom->dev.id.version = dev->descriptor.bcdDevice;
 698         wacom->dev.dev = &intf->dev;
 699         wacom->usbdev = dev;
 700
 701         endpoint = &intf->cur_altsetting->endpoint[0].desc;
 702
 703         if (wacom->features->pktlen > 10)
 704                 BUG();
 705
 706         usb_fill_int_urb(wacom->irq, dev,
 707                          usb_rcvintpipe(dev, endpoint->bEndpointAddress),
 708                          wacom->data, wacom->features->pktlen,
 709                          wacom->features->irq, wacom, endpoint->bInterval);
 710         wacom->irq->transfer_dma = wacom->data_dma;
 711         wacom->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 712
 713         input_register_device(&wacom->dev);
 714
 715         usb_set_report(intf, 3, 2, rep_data, 2);
 716         usb_set_report(intf, 3, 5, rep_data, 0);
 717         usb_set_report(intf, 3, 6, rep_data, 0);
 718
 719         printk(KERN_INFO "input: %s on %s\n", wacom->features->name, path);
 720
 721         usb_set_intfdata(intf, wacom);
 722
 723         return 0;
 724 }
 725
 726 static void wacom_disconnect(struct usb_interface *intf)
 727 {
 728         struct wacom *wacom = usb_get_intfdata (intf);
 729
 730         usb_set_intfdata(intf, NULL);
 731         if (wacom) {
 732                 usb_unlink_urb(wacom->irq);
 733                 input_unregister_device(&wacom->dev);
 734                 usb_free_urb(wacom->irq);
 735                 usb_buffer_free(interface_to_usbdev(intf), 10, wacom->data, wacom->data_dma);
 736                 kfree(wacom);
 737         }
 738 }
 739
 740 static struct usb_driver wacom_driver = {
 741         .owner =        THIS_MODULE,
 742         .name =         "wacom",
 743         .probe =        wacom_probe,
 744         .disconnect =   wacom_disconnect,
 745         .id_table =     wacom_ids,
 746 };
 747
 748 static int __init wacom_init(void)
 749 {
 750         int result = usb_register(&wacom_driver);
 751         if (result == 0)
 752                 info(DRIVER_VERSION ":" DRIVER_DESC);
 753         return result;
 754 }
 755
 756 static void __exit wacom_exit(void)
 757 {
 758         usb_deregister(&wacom_driver);
 759 }
 760
 761 module_init(wacom_init);
 762 module_exit(wacom_exit);