drivers/input/tablet/wacom_wac.c

   1 /*
   2  * drivers/input/tablet/wacom_wac.c
   3  *
   4  *  USB Wacom tablet support - Wacom specific code
   5  *
   6  */
   7
   8 /*
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  */
  14
  15 #include "wacom_wac.h"
  16 #include "wacom.h"
  17 #include <linux/input/mt.h>
  18 #include <linux/hid.h>
  19
  20 /* resolution for penabled devices */
  21 #define WACOM_PL_RES            20
  22 #define WACOM_PENPRTN_RES       40
  23 #define WACOM_VOLITO_RES        50
  24 #define WACOM_GRAPHIRE_RES      80
  25 #define WACOM_INTUOS_RES        100
  26 #define WACOM_INTUOS3_RES       200
  27
  28 /* Scale factor relating reported contact size to logical contact area.
  29  * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
  30  */
  31 #define WACOM_CONTACT_AREA_SCALE 2607
  32
  33 static int wacom_penpartner_irq(struct wacom_wac *wacom)
  34 {
  35         unsigned char *data = wacom->data;
  36         struct input_dev *input = wacom->input;
  37
  38         switch (data[0]) {
  39         case 1:
  40                 if (data[5] & 0x80) {
  41                         wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
  42                         wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
  43                         input_report_key(input, wacom->tool[0], 1);
  44                         input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
  45                         input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
  46                         input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
  47                         input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
  48                         input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
  49                         input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
  50                 } else {
  51                         input_report_key(input, wacom->tool[0], 0);
  52                         input_report_abs(input, ABS_MISC, 0); /* report tool id */
  53                         input_report_abs(input, ABS_PRESSURE, -1);
  54                         input_report_key(input, BTN_TOUCH, 0);
  55                 }
  56                 break;
  57
  58         case 2:
  59                 input_report_key(input, BTN_TOOL_PEN, 1);
  60                 input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
  61                 input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
  62                 input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
  63                 input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
  64                 input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
  65                 input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
  66                 break;
  67
  68         default:
  69                 dev_dbg(input->dev.parent,
  70                         "%s: received unknown report #%d\n", __func__, data[0]);
  71                 return 0;
  72         }
  73
  74         return 1;
  75 }
  76
  77 static int wacom_pl_irq(struct wacom_wac *wacom)
  78 {
  79         struct wacom_features *features = &wacom->features;
  80         unsigned char *data = wacom->data;
  81         struct input_dev *input = wacom->input;
  82         int prox, pressure;
  83
  84         if (data[0] != WACOM_REPORT_PENABLED) {
  85                 dev_dbg(input->dev.parent,
  86                         "%s: received unknown report #%d\n", __func__, data[0]);
  87                 return 0;
  88         }
  89
  90         prox = data[1] & 0x40;
  91
  92         if (prox) {
  93                 wacom->id[0] = ERASER_DEVICE_ID;
  94                 pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
  95                 if (features->pressure_max > 255)
  96                         pressure = (pressure << 1) | ((data[4] >> 6) & 1);
  97                 pressure += (features->pressure_max + 1) / 2;
  98
  99                 /*
 100                  * if going from out of proximity into proximity select between the eraser
 101                  * and the pen based on the state of the stylus2 button, choose eraser if
 102                  * pressed else choose pen. if not a proximity change from out to in, send
 103                  * an out of proximity for previous tool then a in for new tool.
 104                  */
 105                 if (!wacom->tool[0]) {
 106                         /* Eraser bit set for DTF */
 107                         if (data[1] & 0x10)
 108                                 wacom->tool[1] = BTN_TOOL_RUBBER;
 109                         else
 110                                 /* Going into proximity select tool */
 111                                 wacom->tool[1] = (data[4] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
 112                 } else {
 113                         /* was entered with stylus2 pressed */
 114                         if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
 115                                 /* report out proximity for previous tool */
 116                                 input_report_key(input, wacom->tool[1], 0);
 117                                 input_sync(input);
 118                                 wacom->tool[1] = BTN_TOOL_PEN;
 119                                 return 0;
 120                         }
 121                 }
 122                 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
 123                         /* Unknown tool selected default to pen tool */
 124                         wacom->tool[1] = BTN_TOOL_PEN;
 125                         wacom->id[0] = STYLUS_DEVICE_ID;
 126                 }
 127                 input_report_key(input, wacom->tool[1], prox); /* report in proximity for tool */
 128                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
 129                 input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
 130                 input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
 131                 input_report_abs(input, ABS_PRESSURE, pressure);
 132
 133                 input_report_key(input, BTN_TOUCH, data[4] & 0x08);
 134                 input_report_key(input, BTN_STYLUS, data[4] & 0x10);
 135                 /* Only allow the stylus2 button to be reported for the pen tool. */
 136                 input_report_key(input, BTN_STYLUS2, (wacom->tool[1] == BTN_TOOL_PEN) && (data[4] & 0x20));
 137         } else {
 138                 /* report proximity-out of a (valid) tool */
 139                 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
 140                         /* Unknown tool selected default to pen tool */
 141                         wacom->tool[1] = BTN_TOOL_PEN;
 142                 }
 143                 input_report_key(input, wacom->tool[1], prox);
 144         }
 145
 146         wacom->tool[0] = prox; /* Save proximity state */
 147         return 1;
 148 }
 149
 150 static int wacom_ptu_irq(struct wacom_wac *wacom)
 151 {
 152         unsigned char *data = wacom->data;
 153         struct input_dev *input = wacom->input;
 154
 155         if (data[0] != WACOM_REPORT_PENABLED) {
 156                 dev_dbg(input->dev.parent,
 157                         "%s: received unknown report #%d\n", __func__, data[0]);
 158                 return 0;
 159         }
 160
 161         if (data[1] & 0x04) {
 162                 input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
 163                 input_report_key(input, BTN_TOUCH, data[1] & 0x08);
 164                 wacom->id[0] = ERASER_DEVICE_ID;
 165         } else {
 166                 input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
 167                 input_report_key(input, BTN_TOUCH, data[1] & 0x01);
 168                 wacom->id[0] = STYLUS_DEVICE_ID;
 169         }
 170         input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
 171         input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
 172         input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
 173         input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
 174         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
 175         input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
 176         return 1;
 177 }
 178
 179 static int wacom_dtu_irq(struct wacom_wac *wacom)
 180 {
 181         struct wacom_features *features = &wacom->features;
 182         char *data = wacom->data;
 183         struct input_dev *input = wacom->input;
 184         int prox = data[1] & 0x20, pressure;
 185
 186         dev_dbg(input->dev.parent,
 187                 "%s: received report #%d", __func__, data[0]);
 188
 189         if (prox) {
 190                 /* Going into proximity select tool */
 191                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
 192                 if (wacom->tool[0] == BTN_TOOL_PEN)
 193                         wacom->id[0] = STYLUS_DEVICE_ID;
 194                 else
 195                         wacom->id[0] = ERASER_DEVICE_ID;
 196         }
 197         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
 198         input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
 199         input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
 200         input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
 201         pressure = ((data[7] & 0x01) << 8) | data[6];
 202         if (pressure < 0)
 203                 pressure = features->pressure_max + pressure + 1;
 204         input_report_abs(input, ABS_PRESSURE, pressure);
 205         input_report_key(input, BTN_TOUCH, data[1] & 0x05);
 206         if (!prox) /* out-prox */
 207                 wacom->id[0] = 0;
 208         input_report_key(input, wacom->tool[0], prox);
 209         input_report_abs(input, ABS_MISC, wacom->id[0]);
 210         return 1;
 211 }
 212
 213 static int wacom_graphire_irq(struct wacom_wac *wacom)
 214 {
 215         struct wacom_features *features = &wacom->features;
 216         unsigned char *data = wacom->data;
 217         struct input_dev *input = wacom->input;
 218         int prox;
 219         int rw = 0;
 220         int retval = 0;
 221
 222         if (data[0] != WACOM_REPORT_PENABLED) {
 223                 dev_dbg(input->dev.parent,
 224                         "%s: received unknown report #%d\n", __func__, data[0]);
 225                 goto exit;
 226         }
 227
 228         prox = data[1] & 0x80;
 229         if (prox || wacom->id[0]) {
 230                 if (prox) {
 231                         switch ((data[1] >> 5) & 3) {
 232
 233                         case 0: /* Pen */
 234                                 wacom->tool[0] = BTN_TOOL_PEN;
 235                                 wacom->id[0] = STYLUS_DEVICE_ID;
 236                                 break;
 237
 238                         case 1: /* Rubber */
 239                                 wacom->tool[0] = BTN_TOOL_RUBBER;
 240                                 wacom->id[0] = ERASER_DEVICE_ID;
 241                                 break;
 242
 243                         case 2: /* Mouse with wheel */
 244                                 input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
 245                                 /* fall through */
 246
 247                         case 3: /* Mouse without wheel */
 248                                 wacom->tool[0] = BTN_TOOL_MOUSE;
 249                                 wacom->id[0] = CURSOR_DEVICE_ID;
 250                                 break;
 251                         }
 252                 }
 253                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
 254                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
 255                 if (wacom->tool[0] != BTN_TOOL_MOUSE) {
 256                         input_report_abs(input, ABS_PRESSURE, data[6] | ((data[7] & 0x03) << 8));
 257                         input_report_key(input, BTN_TOUCH, data[1] & 0x01);
 258                         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
 259                         input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
 260                 } else {
 261                         input_report_key(input, BTN_LEFT, data[1] & 0x01);
 262                         input_report_key(input, BTN_RIGHT, data[1] & 0x02);
 263                         if (features->type == WACOM_G4 ||
 264                                         features->type == WACOM_MO) {
 265                                 input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
 266                                 rw = (data[7] & 0x04) - (data[7] & 0x03);
 267                         } else {
 268                                 input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
 269                                 rw = -(signed char)data[6];
 270                         }
 271                         input_report_rel(input, REL_WHEEL, rw);
 272                 }
 273
 274                 if (!prox)
 275                         wacom->id[0] = 0;
 276                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
 277                 input_report_key(input, wacom->tool[0], prox);
 278                 input_event(input, EV_MSC, MSC_SERIAL, 1);
 279                 input_sync(input); /* sync last event */
 280         }
 281
 282         /* send pad data */
 283         switch (features->type) {
 284         case WACOM_G4:
 285                 prox = data[7] & 0xf8;
 286                 if (prox || wacom->id[1]) {
 287                         wacom->id[1] = PAD_DEVICE_ID;
 288                         input_report_key(input, BTN_BACK, (data[7] & 0x40));
 289                         input_report_key(input, BTN_FORWARD, (data[7] & 0x80));
 290                         rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
 291                         input_report_rel(input, REL_WHEEL, rw);
 292                         if (!prox)
 293                                 wacom->id[1] = 0;
 294                         input_report_abs(input, ABS_MISC, wacom->id[1]);
 295                         input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
 296                         retval = 1;
 297                 }
 298                 break;
 299
 300         case WACOM_MO:
 301                 prox = (data[7] & 0xf8) || data[8];
 302                 if (prox || wacom->id[1]) {
 303                         wacom->id[1] = PAD_DEVICE_ID;
 304                         input_report_key(input, BTN_BACK, (data[7] & 0x08));
 305                         input_report_key(input, BTN_LEFT, (data[7] & 0x20));
 306                         input_report_key(input, BTN_FORWARD, (data[7] & 0x10));
 307                         input_report_key(input, BTN_RIGHT, (data[7] & 0x40));
 308                         input_report_abs(input, ABS_WHEEL, (data[8] & 0x7f));
 309                         if (!prox)
 310                                 wacom->id[1] = 0;
 311                         input_report_abs(input, ABS_MISC, wacom->id[1]);
 312                         input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
 313                         retval = 1;
 314                 }
 315                 break;
 316         }
 317 exit:
 318         return retval;
 319 }
 320
 321 static int wacom_intuos_inout(struct wacom_wac *wacom)
 322 {
 323         struct wacom_features *features = &wacom->features;
 324         unsigned char *data = wacom->data;
 325         struct input_dev *input = wacom->input;
 326         int idx = 0;
 327
 328         /* tool number */
 329         if (features->type == INTUOS)
 330                 idx = data[1] & 0x01;
 331
 332         /* Enter report */
 333         if ((data[1] & 0xfc) == 0xc0) {
 334                 if (features->quirks == WACOM_QUIRK_MULTI_INPUT)
 335                         wacom->shared->stylus_in_proximity = true;
 336
 337                 /* serial number of the tool */
 338                 wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
 339                         (data[4] << 20) + (data[5] << 12) +
 340                         (data[6] << 4) + (data[7] >> 4);
 341
 342                 wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
 343                         ((data[7] & 0x0f) << 20) | ((data[8] & 0xf0) << 12);
 344
 345                 switch (wacom->id[idx] & 0xfffff) {
 346                 case 0x812: /* Inking pen */
 347                 case 0x801: /* Intuos3 Inking pen */
 348                 case 0x20802: /* Intuos4 Inking Pen */
 349                 case 0x012:
 350                         wacom->tool[idx] = BTN_TOOL_PENCIL;
 351                         break;
 352
 353                 case 0x822: /* Pen */
 354                 case 0x842:
 355                 case 0x852:
 356                 case 0x823: /* Intuos3 Grip Pen */
 357                 case 0x813: /* Intuos3 Classic Pen */
 358                 case 0x885: /* Intuos3 Marker Pen */
 359                 case 0x802: /* Intuos4 General Pen */
 360                 case 0x804: /* Intuos4 Marker Pen */
 361                 case 0x40802: /* Intuos4 Classic Pen */
 362                 case 0x022:
 363                         wacom->tool[idx] = BTN_TOOL_PEN;
 364                         break;
 365
 366                 case 0x832: /* Stroke pen */
 367                 case 0x032:
 368                         wacom->tool[idx] = BTN_TOOL_BRUSH;
 369                         break;
 370
 371                 case 0x007: /* Mouse 4D and 2D */
 372                 case 0x09c:
 373                 case 0x094:
 374                 case 0x017: /* Intuos3 2D Mouse */
 375                 case 0x806: /* Intuos4 Mouse */
 376                         wacom->tool[idx] = BTN_TOOL_MOUSE;
 377                         break;
 378
 379                 case 0x096: /* Lens cursor */
 380                 case 0x097: /* Intuos3 Lens cursor */
 381                 case 0x006: /* Intuos4 Lens cursor */
 382                         wacom->tool[idx] = BTN_TOOL_LENS;
 383                         break;
 384
 385                 case 0x82a: /* Eraser */
 386                 case 0x85a:
 387                 case 0x91a:
 388                 case 0xd1a:
 389                 case 0x0fa:
 390                 case 0x82b: /* Intuos3 Grip Pen Eraser */
 391                 case 0x81b: /* Intuos3 Classic Pen Eraser */
 392                 case 0x91b: /* Intuos3 Airbrush Eraser */
 393                 case 0x80c: /* Intuos4 Marker Pen Eraser */
 394                 case 0x80a: /* Intuos4 General Pen Eraser */
 395                 case 0x4080a: /* Intuos4 Classic Pen Eraser */
 396                 case 0x90a: /* Intuos4 Airbrush Eraser */
 397                         wacom->tool[idx] = BTN_TOOL_RUBBER;
 398                         break;
 399
 400                 case 0xd12:
 401                 case 0x912:
 402                 case 0x112:
 403                 case 0x913: /* Intuos3 Airbrush */
 404                 case 0x902: /* Intuos4 Airbrush */
 405                         wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
 406                         break;
 407
 408                 default: /* Unknown tool */
 409                         wacom->tool[idx] = BTN_TOOL_PEN;
 410                         break;
 411                 }
 412                 return 1;
 413         }
 414
 415         /* older I4 styli don't work with new Cintiqs */
 416         if (!((wacom->id[idx] >> 20) & 0x01) &&
 417                         (features->type == WACOM_21UX2))
 418                 return 1;
 419
 420         /* Exit report */
 421         if ((data[1] & 0xfe) == 0x80) {
 422                 if (features->quirks == WACOM_QUIRK_MULTI_INPUT)
 423                         wacom->shared->stylus_in_proximity = false;
 424
 425                 /*
 426                  * Reset all states otherwise we lose the initial states
 427                  * when in-prox next time
 428                  */
 429                 input_report_abs(input, ABS_X, 0);
 430                 input_report_abs(input, ABS_Y, 0);
 431                 input_report_abs(input, ABS_DISTANCE, 0);
 432                 input_report_abs(input, ABS_TILT_X, 0);
 433                 input_report_abs(input, ABS_TILT_Y, 0);
 434                 if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
 435                         input_report_key(input, BTN_LEFT, 0);
 436                         input_report_key(input, BTN_MIDDLE, 0);
 437                         input_report_key(input, BTN_RIGHT, 0);
 438                         input_report_key(input, BTN_SIDE, 0);
 439                         input_report_key(input, BTN_EXTRA, 0);
 440                         input_report_abs(input, ABS_THROTTLE, 0);
 441                         input_report_abs(input, ABS_RZ, 0);
 442                 } else {
 443                         input_report_abs(input, ABS_PRESSURE, 0);
 444                         input_report_key(input, BTN_STYLUS, 0);
 445                         input_report_key(input, BTN_STYLUS2, 0);
 446                         input_report_key(input, BTN_TOUCH, 0);
 447                         input_report_abs(input, ABS_WHEEL, 0);
 448                         if (features->type >= INTUOS3S)
 449                                 input_report_abs(input, ABS_Z, 0);
 450                 }
 451                 input_report_key(input, wacom->tool[idx], 0);
 452                 input_report_abs(input, ABS_MISC, 0); /* reset tool id */
 453                 input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 454                 wacom->id[idx] = 0;
 455                 return 2;
 456         }
 457         return 0;
 458 }
 459
 460 static void wacom_intuos_general(struct wacom_wac *wacom)
 461 {
 462         struct wacom_features *features = &wacom->features;
 463         unsigned char *data = wacom->data;
 464         struct input_dev *input = wacom->input;
 465         unsigned int t;
 466
 467         /* general pen packet */
 468         if ((data[1] & 0xb8) == 0xa0) {
 469                 t = (data[6] << 2) | ((data[7] >> 6) & 3);
 470                 if ((features->type >= INTUOS4S && features->type <= INTUOS4L) ||
 471                     (features->type >= INTUOS5S && features->type <= INTUOS5L) ||
 472                     (features->type >= WACOM_21UX2 && features->type <= WACOM_24HD)) {
 473                         t = (t << 1) | (data[1] & 1);
 474                 }
 475                 input_report_abs(input, ABS_PRESSURE, t);
 476                 input_report_abs(input, ABS_TILT_X,
 477                                 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
 478                 input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
 479                 input_report_key(input, BTN_STYLUS, data[1] & 2);
 480                 input_report_key(input, BTN_STYLUS2, data[1] & 4);
 481                 input_report_key(input, BTN_TOUCH, t > 10);
 482         }
 483
 484         /* airbrush second packet */
 485         if ((data[1] & 0xbc) == 0xb4) {
 486                 input_report_abs(input, ABS_WHEEL,
 487                                 (data[6] << 2) | ((data[7] >> 6) & 3));
 488                 input_report_abs(input, ABS_TILT_X,
 489                                 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
 490                 input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
 491         }
 492 }
 493
 494 static int wacom_intuos_irq(struct wacom_wac *wacom)
 495 {
 496         struct wacom_features *features = &wacom->features;
 497         unsigned char *data = wacom->data;
 498         struct input_dev *input = wacom->input;
 499         unsigned int t;
 500         int idx = 0, result;
 501
 502         if (data[0] != WACOM_REPORT_PENABLED &&
 503             data[0] != WACOM_REPORT_INTUOSREAD &&
 504             data[0] != WACOM_REPORT_INTUOSWRITE &&
 505             data[0] != WACOM_REPORT_INTUOSPAD &&
 506             data[0] != WACOM_REPORT_INTUOS5PAD) {
 507                 dev_dbg(input->dev.parent,
 508                         "%s: received unknown report #%d\n", __func__, data[0]);
 509                 return 0;
 510         }
 511
 512         /* tool number */
 513         if (features->type == INTUOS)
 514                 idx = data[1] & 0x01;
 515
 516         /* pad packets. Works as a second tool and is always in prox */
 517         if (data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD) {
 518                 if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
 519                         input_report_key(input, BTN_0, (data[2] & 0x01));
 520                         input_report_key(input, BTN_1, (data[3] & 0x01));
 521                         input_report_key(input, BTN_2, (data[3] & 0x02));
 522                         input_report_key(input, BTN_3, (data[3] & 0x04));
 523                         input_report_key(input, BTN_4, (data[3] & 0x08));
 524                         input_report_key(input, BTN_5, (data[3] & 0x10));
 525                         input_report_key(input, BTN_6, (data[3] & 0x20));
 526                         if (data[1] & 0x80) {
 527                                 input_report_abs(input, ABS_WHEEL, (data[1] & 0x7f));
 528                         } else {
 529                                 /* Out of proximity, clear wheel value. */
 530                                 input_report_abs(input, ABS_WHEEL, 0);
 531                         }
 532                         if (features->type != INTUOS4S) {
 533                                 input_report_key(input, BTN_7, (data[3] & 0x40));
 534                                 input_report_key(input, BTN_8, (data[3] & 0x80));
 535                         }
 536                         if (data[1] | (data[2] & 0x01) | data[3]) {
 537                                 input_report_key(input, wacom->tool[1], 1);
 538                                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
 539                         } else {
 540                                 input_report_key(input, wacom->tool[1], 0);
 541                                 input_report_abs(input, ABS_MISC, 0);
 542                         }
 543                 } else if (features->type == WACOM_24HD) {
 544                         input_report_key(input, BTN_0, (data[6] & 0x01));
 545                         input_report_key(input, BTN_1, (data[6] & 0x02));
 546                         input_report_key(input, BTN_2, (data[6] & 0x04));
 547                         input_report_key(input, BTN_3, (data[6] & 0x08));
 548                         input_report_key(input, BTN_4, (data[6] & 0x10));
 549                         input_report_key(input, BTN_5, (data[6] & 0x20));
 550                         input_report_key(input, BTN_6, (data[6] & 0x40));
 551                         input_report_key(input, BTN_7, (data[6] & 0x80));
 552                         input_report_key(input, BTN_8, (data[8] & 0x01));
 553                         input_report_key(input, BTN_9, (data[8] & 0x02));
 554                         input_report_key(input, BTN_A, (data[8] & 0x04));
 555                         input_report_key(input, BTN_B, (data[8] & 0x08));
 556                         input_report_key(input, BTN_C, (data[8] & 0x10));
 557                         input_report_key(input, BTN_X, (data[8] & 0x20));
 558                         input_report_key(input, BTN_Y, (data[8] & 0x40));
 559                         input_report_key(input, BTN_Z, (data[8] & 0x80));
 560
 561                         /*
 562                          * Three "buttons" are available on the 24HD which are
 563                          * physically implemented as a touchstrip. Each button
 564                          * is approximately 3 bits wide with a 2 bit spacing.
 565                          * The raw touchstrip bits are stored at:
 566                          *    ((data[3] & 0x1f) << 8) | data[4])
 567                          */
 568                         input_report_key(input, KEY_PROG1, data[4] & 0x07);
 569                         input_report_key(input, KEY_PROG2, data[4] & 0xE0);
 570                         input_report_key(input, KEY_PROG3, data[3] & 0x1C);
 571
 572                         if (data[1] & 0x80) {
 573                                 input_report_abs(input, ABS_WHEEL, (data[1] & 0x7f));
 574                         } else {
 575                                 /* Out of proximity, clear wheel value. */
 576                                 input_report_abs(input, ABS_WHEEL, 0);
 577                         }
 578
 579                         if (data[2] & 0x80) {
 580                                 input_report_abs(input, ABS_THROTTLE, (data[2] & 0x7f));
 581                         } else {
 582                                 /* Out of proximity, clear second wheel value. */
 583                                 input_report_abs(input, ABS_THROTTLE, 0);
 584                         }
 585
 586                         if (data[1] | data[2] | (data[3] & 0x1f) | data[4] | data[6] | data[8]) {
 587                                 input_report_key(input, wacom->tool[1], 1);
 588                                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
 589                         } else {
 590                                 input_report_key(input, wacom->tool[1], 0);
 591                                 input_report_abs(input, ABS_MISC, 0);
 592                         }
 593                 } else if (features->type >= INTUOS5S && features->type <= INTUOS5L) {
 594                         int i;
 595
 596                         /* Touch ring mode switch has no capacitive sensor */
 597                         input_report_key(input, BTN_0, (data[3] & 0x01));
 598
 599                         /*
 600                          * ExpressKeys on Intuos5 have a capacitive sensor in
 601                          * addition to the mechanical switch. Switch data is
 602                          * stored in data[4], capacitive data in data[5].
 603                          */
 604                         for (i = 0; i < 8; i++)
 605                                 input_report_key(input, BTN_1 + i, data[4] & (1 << i));
 606
 607                         if (data[2] & 0x80) {
 608                                 input_report_abs(input, ABS_WHEEL, (data[2] & 0x7f));
 609                         } else {
 610                                 /* Out of proximity, clear wheel value. */
 611                                 input_report_abs(input, ABS_WHEEL, 0);
 612                         }
 613
 614                         if (data[2] | (data[3] & 0x01) | data[4] | data[5]) {
 615                                 input_report_key(input, wacom->tool[1], 1);
 616                                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
 617                         } else {
 618                                 input_report_key(input, wacom->tool[1], 0);
 619                                 input_report_abs(input, ABS_MISC, 0);
 620                         }
 621                 } else {
 622                         if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
 623                                 input_report_key(input, BTN_0, (data[5] & 0x01));
 624                                 input_report_key(input, BTN_1, (data[6] & 0x01));
 625                                 input_report_key(input, BTN_2, (data[6] & 0x02));
 626                                 input_report_key(input, BTN_3, (data[6] & 0x04));
 627                                 input_report_key(input, BTN_4, (data[6] & 0x08));
 628                                 input_report_key(input, BTN_5, (data[6] & 0x10));
 629                                 input_report_key(input, BTN_6, (data[6] & 0x20));
 630                                 input_report_key(input, BTN_7, (data[6] & 0x40));
 631                                 input_report_key(input, BTN_8, (data[6] & 0x80));
 632                                 input_report_key(input, BTN_9, (data[7] & 0x01));
 633                                 input_report_key(input, BTN_A, (data[8] & 0x01));
 634                                 input_report_key(input, BTN_B, (data[8] & 0x02));
 635                                 input_report_key(input, BTN_C, (data[8] & 0x04));
 636                                 input_report_key(input, BTN_X, (data[8] & 0x08));
 637                                 input_report_key(input, BTN_Y, (data[8] & 0x10));
 638                                 input_report_key(input, BTN_Z, (data[8] & 0x20));
 639                                 input_report_key(input, BTN_BASE, (data[8] & 0x40));
 640                                 input_report_key(input, BTN_BASE2, (data[8] & 0x80));
 641
 642                                 if (features->type == WACOM_22HD) {
 643                                         input_report_key(input, KEY_PROG1, data[9] & 0x01);
 644                                         input_report_key(input, KEY_PROG2, data[9] & 0x02);
 645                                         input_report_key(input, KEY_PROG3, data[9] & 0x04);
 646                                 }
 647                         } else {
 648                                 input_report_key(input, BTN_0, (data[5] & 0x01));
 649                                 input_report_key(input, BTN_1, (data[5] & 0x02));
 650                                 input_report_key(input, BTN_2, (data[5] & 0x04));
 651                                 input_report_key(input, BTN_3, (data[5] & 0x08));
 652                                 input_report_key(input, BTN_4, (data[6] & 0x01));
 653                                 input_report_key(input, BTN_5, (data[6] & 0x02));
 654                                 input_report_key(input, BTN_6, (data[6] & 0x04));
 655                                 input_report_key(input, BTN_7, (data[6] & 0x08));
 656                                 input_report_key(input, BTN_8, (data[5] & 0x10));
 657                                 input_report_key(input, BTN_9, (data[6] & 0x10));
 658                         }
 659                         input_report_abs(input, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
 660                         input_report_abs(input, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
 661
 662                         if ((data[5] & 0x1f) | data[6] | (data[1] & 0x1f) |
 663                                 data[2] | (data[3] & 0x1f) | data[4] | data[8] |
 664                                 (data[7] & 0x01)) {
 665                                 input_report_key(input, wacom->tool[1], 1);
 666                                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
 667                         } else {
 668                                 input_report_key(input, wacom->tool[1], 0);
 669                                 input_report_abs(input, ABS_MISC, 0);
 670                         }
 671                 }
 672                 input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
 673                 return 1;
 674         }
 675
 676         /* process in/out prox events */
 677         result = wacom_intuos_inout(wacom);
 678         if (result)
 679                 return result - 1;
 680
 681         /* don't proceed if we don't know the ID */
 682         if (!wacom->id[idx])
 683                 return 0;
 684
 685         /* Only large Intuos support Lense Cursor */
 686         if (wacom->tool[idx] == BTN_TOOL_LENS &&
 687             (features->type == INTUOS3 ||
 688              features->type == INTUOS3S ||
 689              features->type == INTUOS4 ||
 690              features->type == INTUOS4S ||
 691              features->type == INTUOS5 ||
 692              features->type == INTUOS5S)) {
 693
 694                 return 0;
 695         }
 696
 697         /* Cintiq doesn't send data when RDY bit isn't set */
 698         if (features->type == CINTIQ && !(data[1] & 0x40))
 699                  return 0;
 700
 701         if (features->type >= INTUOS3S) {
 702                 input_report_abs(input, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
 703                 input_report_abs(input, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
 704                 input_report_abs(input, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
 705         } else {
 706                 input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[2]));
 707                 input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[4]));
 708                 input_report_abs(input, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
 709         }
 710
 711         /* process general packets */
 712         wacom_intuos_general(wacom);
 713
 714         /* 4D mouse, 2D mouse, marker pen rotation, tilt mouse, or Lens cursor packets */
 715         if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0 || (data[1] & 0xbc) == 0xac) {
 716
 717                 if (data[1] & 0x02) {
 718                         /* Rotation packet */
 719                         if (features->type >= INTUOS3S) {
 720                                 /* I3 marker pen rotation */
 721                                 t = (data[6] << 3) | ((data[7] >> 5) & 7);
 722                                 t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
 723                                         ((t-1) / 2 + 450)) : (450 - t / 2) ;
 724                                 input_report_abs(input, ABS_Z, t);
 725                         } else {
 726                                 /* 4D mouse rotation packet */
 727                                 t = (data[6] << 3) | ((data[7] >> 5) & 7);
 728                                 input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
 729                                         ((t - 1) / 2) : -t / 2);
 730                         }
 731
 732                 } else if (!(data[1] & 0x10) && features->type < INTUOS3S) {
 733                         /* 4D mouse packet */
 734                         input_report_key(input, BTN_LEFT,   data[8] & 0x01);
 735                         input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
 736                         input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
 737
 738                         input_report_key(input, BTN_SIDE,   data[8] & 0x20);
 739                         input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
 740                         t = (data[6] << 2) | ((data[7] >> 6) & 3);
 741                         input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
 742
 743                 } else if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
 744                         /* I4 mouse */
 745                         if ((features->type >= INTUOS4S && features->type <= INTUOS4L) ||
 746                             (features->type >= INTUOS5S && features->type <= INTUOS5L)) {
 747                                 input_report_key(input, BTN_LEFT,   data[6] & 0x01);
 748                                 input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
 749                                 input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
 750                                 input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
 751                                                  - ((data[7] & 0x40) >> 6));
 752                                 input_report_key(input, BTN_SIDE,   data[6] & 0x08);
 753                                 input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
 754
 755                                 input_report_abs(input, ABS_TILT_X,
 756                                         ((data[7] << 1) & 0x7e) | (data[8] >> 7));
 757                                 input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
 758                         } else {
 759                                 /* 2D mouse packet */
 760                                 input_report_key(input, BTN_LEFT,   data[8] & 0x04);
 761                                 input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
 762                                 input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
 763                                 input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
 764                                                  - ((data[8] & 0x02) >> 1));
 765
 766                                 /* I3 2D mouse side buttons */
 767                                 if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
 768                                         input_report_key(input, BTN_SIDE,   data[8] & 0x40);
 769                                         input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
 770                                 }
 771                         }
 772                 } else if ((features->type < INTUOS3S || features->type == INTUOS3L ||
 773                                 features->type == INTUOS4L || features->type == INTUOS5L) &&
 774                            wacom->tool[idx] == BTN_TOOL_LENS) {
 775                         /* Lens cursor packets */
 776                         input_report_key(input, BTN_LEFT,   data[8] & 0x01);
 777                         input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
 778                         input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
 779                         input_report_key(input, BTN_SIDE,   data[8] & 0x10);
 780                         input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
 781                 }
 782         }
 783
 784         input_report_abs(input, ABS_MISC, wacom->id[idx]); /* report tool id */
 785         input_report_key(input, wacom->tool[idx], 1);
 786         input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 787         return 1;
 788 }
 789
 790 static int find_slot_from_contactid(struct wacom_wac *wacom, int contactid)
 791 {
 792         int touch_max = wacom->features.touch_max;
 793         int i;
 794
 795         if (!wacom->slots)
 796                 return -1;
 797
 798         for (i = 0; i < touch_max; ++i) {
 799                 if (wacom->slots[i] == contactid)
 800                         return i;
 801         }
 802         for (i = 0; i < touch_max; ++i) {
 803                 if (wacom->slots[i] == -1)
 804                         return i;
 805         }
 806         return -1;
 807 }
 808
 809 static int int_dist(int x1, int y1, int x2, int y2)
 810 {
 811         int x = x2 - x1;
 812         int y = y2 - y1;
 813
 814         return int_sqrt(x*x + y*y);
 815 }
 816
 817 static int wacom_24hdt_irq(struct wacom_wac *wacom)
 818 {
 819         struct input_dev *input = wacom->input;
 820         char *data = wacom->data;
 821         int i;
 822         int current_num_contacts = data[61];
 823         int contacts_to_send = 0;
 824
 825         /*
 826          * First packet resets the counter since only the first
 827          * packet in series will have non-zero current_num_contacts.
 828          */
 829         if (current_num_contacts)
 830                 wacom->num_contacts_left = current_num_contacts;
 831
 832         /* There are at most 4 contacts per packet */
 833         contacts_to_send = min(4, wacom->num_contacts_left);
 834
 835         for (i = 0; i < contacts_to_send; i++) {
 836                 int offset = (WACOM_BYTES_PER_24HDT_PACKET * i) + 1;
 837                 bool touch = data[offset] & 0x1 && !wacom->shared->stylus_in_proximity;
 838                 int id = data[offset + 1];
 839                 int slot = find_slot_from_contactid(wacom, id);
 840
 841                 if (slot < 0)
 842                         continue;
 843                 input_mt_slot(input, slot);
 844                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
 845
 846                 if (touch) {
 847                         int t_x = le16_to_cpup((__le16 *)&data[offset + 2]);
 848                         int c_x = le16_to_cpup((__le16 *)&data[offset + 4]);
 849                         int t_y = le16_to_cpup((__le16 *)&data[offset + 6]);
 850                         int c_y = le16_to_cpup((__le16 *)&data[offset + 8]);
 851                         int w = le16_to_cpup((__le16 *)&data[offset + 10]);
 852                         int h = le16_to_cpup((__le16 *)&data[offset + 12]);
 853
 854                         input_report_abs(input, ABS_MT_POSITION_X, t_x);
 855                         input_report_abs(input, ABS_MT_POSITION_Y, t_y);
 856                         input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
 857                         input_report_abs(input, ABS_MT_WIDTH_MAJOR, min(w, h) + int_dist(t_x, t_y, c_x, c_y));
 858                         input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
 859                         input_report_abs(input, ABS_MT_ORIENTATION, w > h);
 860                 }
 861                 wacom->slots[slot] = touch ? id : -1;
 862         }
 863
 864         input_mt_report_pointer_emulation(input, true);
 865
 866         wacom->num_contacts_left -= contacts_to_send;
 867         if (wacom->num_contacts_left <= 0)
 868                 wacom->num_contacts_left = 0;
 869
 870         return 1;
 871 }
 872
 873 static int wacom_mt_touch(struct wacom_wac *wacom)
 874 {
 875         struct input_dev *input = wacom->input;
 876         char *data = wacom->data;
 877         int i;
 878         int current_num_contacts = data[2];
 879         int contacts_to_send = 0;
 880
 881         /*
 882          * First packet resets the counter since only the first
 883          * packet in series will have non-zero current_num_contacts.
 884          */
 885         if (current_num_contacts)
 886                 wacom->num_contacts_left = current_num_contacts;
 887
 888         /* There are at most 5 contacts per packet */
 889         contacts_to_send = min(5, wacom->num_contacts_left);
 890
 891         for (i = 0; i < contacts_to_send; i++) {
 892                 int offset = (WACOM_BYTES_PER_MT_PACKET * i) + 3;
 893                 bool touch = data[offset] & 0x1;
 894                 int id = le16_to_cpup((__le16 *)&data[offset + 1]);
 895                 int slot = find_slot_from_contactid(wacom, id);
 896
 897                 if (slot < 0)
 898                         continue;
 899
 900                 input_mt_slot(input, slot);
 901                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
 902                 if (touch) {
 903                         int x = le16_to_cpup((__le16 *)&data[offset + 7]);
 904                         int y = le16_to_cpup((__le16 *)&data[offset + 9]);
 905                         input_report_abs(input, ABS_MT_POSITION_X, x);
 906                         input_report_abs(input, ABS_MT_POSITION_Y, y);
 907                 }
 908                 wacom->slots[slot] = touch ? id : -1;
 909         }
 910
 911         input_mt_report_pointer_emulation(input, true);
 912
 913         wacom->num_contacts_left -= contacts_to_send;
 914         if (wacom->num_contacts_left < 0)
 915                 wacom->num_contacts_left = 0;
 916
 917         return 1;
 918 }
 919
 920 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
 921 {
 922         struct input_dev *input = wacom->input;
 923         unsigned char *data = wacom->data;
 924         int contact_with_no_pen_down_count = 0;
 925         int i;
 926
 927         for (i = 0; i < 2; i++) {
 928                 int p = data[1] & (1 << i);
 929                 bool touch = p && !wacom->shared->stylus_in_proximity;
 930
 931                 input_mt_slot(input, i);
 932                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
 933                 if (touch) {
 934                         int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
 935                         int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
 936
 937                         input_report_abs(input, ABS_MT_POSITION_X, x);
 938                         input_report_abs(input, ABS_MT_POSITION_Y, y);
 939                         contact_with_no_pen_down_count++;
 940                 }
 941         }
 942
 943         /* keep touch state for pen event */
 944         wacom->shared->touch_down = (contact_with_no_pen_down_count > 0);
 945
 946         input_mt_report_pointer_emulation(input, true);
 947
 948         return 1;
 949 }
 950
 951 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
 952 {
 953         char *data = wacom->data;
 954         struct input_dev *input = wacom->input;
 955         bool prox;
 956         int x = 0, y = 0;
 957
 958         if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
 959                 return 0;
 960
 961         if (!wacom->shared->stylus_in_proximity) {
 962                 if (len == WACOM_PKGLEN_TPC1FG) {
 963                         prox = data[0] & 0x01;
 964                         x = get_unaligned_le16(&data[1]);
 965                         y = get_unaligned_le16(&data[3]);
 966                 } else {
 967                         prox = data[1] & 0x01;
 968                         x = le16_to_cpup((__le16 *)&data[2]);
 969                         y = le16_to_cpup((__le16 *)&data[4]);
 970                 }
 971         } else
 972                 /* force touch out when pen is in prox */
 973                 prox = 0;
 974
 975         if (prox) {
 976                 input_report_abs(input, ABS_X, x);
 977                 input_report_abs(input, ABS_Y, y);
 978         }
 979         input_report_key(input, BTN_TOUCH, prox);
 980
 981         /* keep touch state for pen events */
 982         wacom->shared->touch_down = prox;
 983
 984         return 1;
 985 }
 986
 987 static int wacom_tpc_pen(struct wacom_wac *wacom)
 988 {
 989         struct wacom_features *features = &wacom->features;
 990         char *data = wacom->data;
 991         struct input_dev *input = wacom->input;
 992         int pressure;
 993         bool prox = data[1] & 0x20;
 994
 995         if (!wacom->shared->stylus_in_proximity) /* first in prox */
 996                 /* Going into proximity select tool */
 997                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
 998
 999         /* keep pen state for touch events */
1000         wacom->shared->stylus_in_proximity = prox;
1001
1002         /* send pen events only when touch is up or forced out */
1003         if (!wacom->shared->touch_down) {
1004                 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1005                 input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1006                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1007                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1008                 pressure = ((data[7] & 0x01) << 8) | data[6];
1009                 if (pressure < 0)
1010                         pressure = features->pressure_max + pressure + 1;
1011                 input_report_abs(input, ABS_PRESSURE, pressure);
1012                 input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1013                 input_report_key(input, wacom->tool[0], prox);
1014                 return 1;
1015         }
1016
1017         return 0;
1018 }
1019
1020 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1021 {
1022         char *data = wacom->data;
1023
1024         dev_dbg(wacom->input->dev.parent,
1025                 "%s: received report #%d\n", __func__, data[0]);
1026
1027         switch (len) {
1028         case WACOM_PKGLEN_TPC1FG:
1029                 return wacom_tpc_single_touch(wacom, len);
1030
1031         case WACOM_PKGLEN_TPC2FG:
1032                 return wacom_tpc_mt_touch(wacom);
1033
1034         default:
1035                 switch (data[0]) {
1036                 case WACOM_REPORT_TPC1FG:
1037                 case WACOM_REPORT_TPCHID:
1038                 case WACOM_REPORT_TPCST:
1039                 case WACOM_REPORT_TPC1FGE:
1040                         return wacom_tpc_single_touch(wacom, len);
1041
1042                 case WACOM_REPORT_TPCMT:
1043                         return wacom_mt_touch(wacom);
1044
1045                 case WACOM_REPORT_PENABLED:
1046                         return wacom_tpc_pen(wacom);
1047                 }
1048         }
1049
1050         return 0;
1051 }
1052
1053 static int wacom_bpt_touch(struct wacom_wac *wacom)
1054 {
1055         struct wacom_features *features = &wacom->features;
1056         struct input_dev *input = wacom->input;
1057         unsigned char *data = wacom->data;
1058         int i;
1059
1060         if (data[0] != 0x02)
1061             return 0;
1062
1063         for (i = 0; i < 2; i++) {
1064                 int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
1065                 bool touch = data[offset + 3] & 0x80;
1066
1067                 /*
1068                  * Touch events need to be disabled while stylus is
1069                  * in proximity because user's hand is resting on touchpad
1070                  * and sending unwanted events.  User expects tablet buttons
1071                  * to continue working though.
1072                  */
1073                 touch = touch && !wacom->shared->stylus_in_proximity;
1074
1075                 input_mt_slot(input, i);
1076                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1077                 if (touch) {
1078                         int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
1079                         int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
1080                         if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
1081                                 x <<= 5;
1082                                 y <<= 5;
1083                         }
1084                         input_report_abs(input, ABS_MT_POSITION_X, x);
1085                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1086                 }
1087         }
1088
1089         input_mt_report_pointer_emulation(input, true);
1090
1091         input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
1092         input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
1093         input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
1094         input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
1095
1096         input_sync(input);
1097
1098         return 0;
1099 }
1100
1101 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
1102 {
1103         struct input_dev *input = wacom->input;
1104         int slot_id = data[0] - 2;  /* data[0] is between 2 and 17 */
1105         bool touch = data[1] & 0x80;
1106
1107         touch = touch && !wacom->shared->stylus_in_proximity;
1108
1109         input_mt_slot(input, slot_id);
1110         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1111
1112         if (touch) {
1113                 int x = (data[2] << 4) | (data[4] >> 4);
1114                 int y = (data[3] << 4) | (data[4] & 0x0f);
1115                 int a = data[5];
1116
1117                 // "a" is a scaled-down area which we assume is roughly
1118                 // circular and which can be described as: a=(pi*r^2)/C.
1119                 int x_res  = input_abs_get_res(input, ABS_X);
1120                 int y_res  = input_abs_get_res(input, ABS_Y);
1121                 int width  = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
1122                 int height = width * y_res / x_res;
1123
1124                 input_report_abs(input, ABS_MT_POSITION_X, x);
1125                 input_report_abs(input, ABS_MT_POSITION_Y, y);
1126                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
1127                 input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
1128         }
1129 }
1130
1131 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
1132 {
1133         struct input_dev *input = wacom->input;
1134
1135         input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
1136         input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
1137         input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
1138         input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
1139 }
1140
1141 static int wacom_bpt3_touch(struct wacom_wac *wacom)
1142 {
1143         struct input_dev *input = wacom->input;
1144         unsigned char *data = wacom->data;
1145         int count = data[1] & 0x07;
1146         int i;
1147
1148         if (data[0] != 0x02)
1149             return 0;
1150
1151         /* data has up to 7 fixed sized 8-byte messages starting at data[2] */
1152         for (i = 0; i < count; i++) {
1153                 int offset = (8 * i) + 2;
1154                 int msg_id = data[offset];
1155
1156                 if (msg_id >= 2 && msg_id <= 17)
1157                         wacom_bpt3_touch_msg(wacom, data + offset);
1158                 else if (msg_id == 128)
1159                         wacom_bpt3_button_msg(wacom, data + offset);
1160
1161         }
1162
1163         input_mt_report_pointer_emulation(input, true);
1164
1165         input_sync(input);
1166
1167         return 0;
1168 }
1169
1170 static int wacom_bpt_pen(struct wacom_wac *wacom)
1171 {
1172         struct input_dev *input = wacom->input;
1173         unsigned char *data = wacom->data;
1174         int prox = 0, x = 0, y = 0, p = 0, d = 0, pen = 0, btn1 = 0, btn2 = 0;
1175
1176         if (data[0] != 0x02)
1177             return 0;
1178
1179         prox = (data[1] & 0x20) == 0x20;
1180
1181         /*
1182          * All reports shared between PEN and RUBBER tool must be
1183          * forced to a known starting value (zero) when transitioning to
1184          * out-of-prox.
1185          *
1186          * If not reset then, to userspace, it will look like lost events
1187          * if new tool comes in-prox with same values as previous tool sent.
1188          *
1189          * Hardware does report zero in most out-of-prox cases but not all.
1190          */
1191         if (prox) {
1192                 if (!wacom->shared->stylus_in_proximity) {
1193                         if (data[1] & 0x08) {
1194                                 wacom->tool[0] = BTN_TOOL_RUBBER;
1195                                 wacom->id[0] = ERASER_DEVICE_ID;
1196                         } else {
1197                                 wacom->tool[0] = BTN_TOOL_PEN;
1198                                 wacom->id[0] = STYLUS_DEVICE_ID;
1199                         }
1200                         wacom->shared->stylus_in_proximity = true;
1201                 }
1202                 x = le16_to_cpup((__le16 *)&data[2]);
1203                 y = le16_to_cpup((__le16 *)&data[4]);
1204                 p = le16_to_cpup((__le16 *)&data[6]);
1205                 /*
1206                  * Convert distance from out prox to distance from tablet.
1207                  * distance will be greater than distance_max once
1208                  * touching and applying pressure; do not report negative
1209                  * distance.
1210                  */
1211                 if (data[8] <= wacom->features.distance_max)
1212                         d = wacom->features.distance_max - data[8];
1213
1214                 pen = data[1] & 0x01;
1215                 btn1 = data[1] & 0x02;
1216                 btn2 = data[1] & 0x04;
1217         }
1218
1219         input_report_key(input, BTN_TOUCH, pen);
1220         input_report_key(input, BTN_STYLUS, btn1);
1221         input_report_key(input, BTN_STYLUS2, btn2);
1222
1223         input_report_abs(input, ABS_X, x);
1224         input_report_abs(input, ABS_Y, y);
1225         input_report_abs(input, ABS_PRESSURE, p);
1226         input_report_abs(input, ABS_DISTANCE, d);
1227
1228         if (!prox) {
1229                 wacom->id[0] = 0;
1230                 wacom->shared->stylus_in_proximity = false;
1231         }
1232
1233         input_report_key(input, wacom->tool[0], prox); /* PEN or RUBBER */
1234         input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
1235
1236         return 1;
1237 }
1238
1239 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
1240 {
1241         if (len == WACOM_PKGLEN_BBTOUCH)
1242                 return wacom_bpt_touch(wacom);
1243         else if (len == WACOM_PKGLEN_BBTOUCH3)
1244                 return wacom_bpt3_touch(wacom);
1245         else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
1246                 return wacom_bpt_pen(wacom);
1247
1248         return 0;
1249 }
1250
1251 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
1252 {
1253         unsigned char *data = wacom->data;
1254         int connected;
1255
1256         if (len != WACOM_PKGLEN_WIRELESS || data[0] != 0x80)
1257                 return 0;
1258
1259         connected = data[1] & 0x01;
1260         if (connected) {
1261                 int pid, battery;
1262
1263                 pid = get_unaligned_be16(&data[6]);
1264                 battery = data[5] & 0x3f;
1265                 if (wacom->pid != pid) {
1266                         wacom->pid = pid;
1267                         wacom_schedule_work(wacom);
1268                 }
1269                 wacom->battery_capacity = battery;
1270         } else if (wacom->pid != 0) {
1271                 /* disconnected while previously connected */
1272                 wacom->pid = 0;
1273                 wacom_schedule_work(wacom);
1274                 wacom->battery_capacity = 0;
1275         }
1276
1277         return 0;
1278 }
1279
1280 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
1281 {
1282         bool sync;
1283
1284         switch (wacom_wac->features.type) {
1285         case PENPARTNER:
1286                 sync = wacom_penpartner_irq(wacom_wac);
1287                 break;
1288
1289         case PL:
1290                 sync = wacom_pl_irq(wacom_wac);
1291                 break;
1292
1293         case WACOM_G4:
1294         case GRAPHIRE:
1295         case WACOM_MO:
1296                 sync = wacom_graphire_irq(wacom_wac);
1297                 break;
1298
1299         case PTU:
1300                 sync = wacom_ptu_irq(wacom_wac);
1301                 break;
1302
1303         case DTU:
1304                 sync = wacom_dtu_irq(wacom_wac);
1305                 break;
1306
1307         case INTUOS:
1308         case INTUOS3S:
1309         case INTUOS3:
1310         case INTUOS3L:
1311         case INTUOS4S:
1312         case INTUOS4:
1313         case INTUOS4L:
1314         case CINTIQ:
1315         case WACOM_BEE:
1316         case WACOM_21UX2:
1317         case WACOM_22HD:
1318         case WACOM_24HD:
1319                 sync = wacom_intuos_irq(wacom_wac);
1320                 break;
1321
1322         case WACOM_24HDT:
1323                 sync = wacom_24hdt_irq(wacom_wac);
1324                 break;
1325
1326         case INTUOS5S:
1327         case INTUOS5:
1328         case INTUOS5L:
1329                 if (len == WACOM_PKGLEN_BBTOUCH3)
1330                         sync = wacom_bpt3_touch(wacom_wac);
1331                 else
1332                         sync = wacom_intuos_irq(wacom_wac);
1333                 break;
1334
1335         case TABLETPC:
1336         case TABLETPCE:
1337         case TABLETPC2FG:
1338         case MTSCREEN:
1339                 sync = wacom_tpc_irq(wacom_wac, len);
1340                 break;
1341
1342         case BAMBOO_PT:
1343                 sync = wacom_bpt_irq(wacom_wac, len);
1344                 break;
1345
1346         case WIRELESS:
1347                 sync = wacom_wireless_irq(wacom_wac, len);
1348                 break;
1349
1350         default:
1351                 sync = false;
1352                 break;
1353         }
1354
1355         if (sync)
1356                 input_sync(wacom_wac->input);
1357 }
1358
1359 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
1360 {
1361         struct input_dev *input_dev = wacom_wac->input;
1362
1363         input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
1364
1365         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1366         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1367         __set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
1368         __set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
1369         __set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
1370         __set_bit(BTN_STYLUS, input_dev->keybit);
1371         __set_bit(BTN_STYLUS2, input_dev->keybit);
1372
1373         input_set_abs_params(input_dev, ABS_DISTANCE,
1374                              0, wacom_wac->features.distance_max, 0, 0);
1375         input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
1376         input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
1377         input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
1378 }
1379
1380 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
1381 {
1382         struct input_dev *input_dev = wacom_wac->input;
1383
1384         input_set_capability(input_dev, EV_REL, REL_WHEEL);
1385
1386         wacom_setup_cintiq(wacom_wac);
1387
1388         __set_bit(BTN_LEFT, input_dev->keybit);
1389         __set_bit(BTN_RIGHT, input_dev->keybit);
1390         __set_bit(BTN_MIDDLE, input_dev->keybit);
1391         __set_bit(BTN_SIDE, input_dev->keybit);
1392         __set_bit(BTN_EXTRA, input_dev->keybit);
1393         __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
1394         __set_bit(BTN_TOOL_LENS, input_dev->keybit);
1395
1396         input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
1397         input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
1398 }
1399
1400 void wacom_setup_device_quirks(struct wacom_features *features)
1401 {
1402
1403         /* touch device found but size is not defined. use default */
1404         if (features->device_type == BTN_TOOL_FINGER && !features->x_max) {
1405                 features->x_max = 1023;
1406                 features->y_max = 1023;
1407         }
1408
1409         /* these device have multiple inputs */
1410         if (features->type >= WIRELESS ||
1411             (features->type >= INTUOS5S && features->type <= INTUOS5L) ||
1412             (features->oVid && features->oPid))
1413                 features->quirks |= WACOM_QUIRK_MULTI_INPUT;
1414
1415         /* quirk for bamboo touch with 2 low res touches */
1416         if (features->type == BAMBOO_PT &&
1417             features->pktlen == WACOM_PKGLEN_BBTOUCH) {
1418                 features->x_max <<= 5;
1419                 features->y_max <<= 5;
1420                 features->x_fuzz <<= 5;
1421                 features->y_fuzz <<= 5;
1422                 features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
1423         }
1424
1425         if (features->type == WIRELESS) {
1426
1427                 /* monitor never has input and pen/touch have delayed create */
1428                 features->quirks |= WACOM_QUIRK_NO_INPUT;
1429
1430                 /* must be monitor interface if no device_type set */
1431                 if (!features->device_type)
1432                         features->quirks |= WACOM_QUIRK_MONITOR;
1433         }
1434 }
1435
1436 static unsigned int wacom_calculate_touch_res(unsigned int logical_max,
1437                                               unsigned int physical_max)
1438 {
1439        /* Touch physical dimensions are in 100th of mm */
1440        return (logical_max * 100) / physical_max;
1441 }
1442
1443 int wacom_setup_input_capabilities(struct input_dev *input_dev,
1444                                    struct wacom_wac *wacom_wac)
1445 {
1446         struct wacom_features *features = &wacom_wac->features;
1447         int i;
1448
1449         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
1450
1451         __set_bit(BTN_TOUCH, input_dev->keybit);
1452
1453         input_set_abs_params(input_dev, ABS_X, 0, features->x_max,
1454                              features->x_fuzz, 0);
1455         input_set_abs_params(input_dev, ABS_Y, 0, features->y_max,
1456                              features->y_fuzz, 0);
1457
1458         if (features->device_type == BTN_TOOL_PEN) {
1459                 input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max,
1460                              features->pressure_fuzz, 0);
1461
1462                 /* penabled devices have fixed resolution for each model */
1463                 input_abs_set_res(input_dev, ABS_X, features->x_resolution);
1464                 input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
1465         } else {
1466                 input_abs_set_res(input_dev, ABS_X,
1467                         wacom_calculate_touch_res(features->x_max,
1468                                                 features->x_phy));
1469                 input_abs_set_res(input_dev, ABS_Y,
1470                         wacom_calculate_touch_res(features->y_max,
1471                                                 features->y_phy));
1472         }
1473
1474         __set_bit(ABS_MISC, input_dev->absbit);
1475
1476         switch (wacom_wac->features.type) {
1477         case WACOM_MO:
1478                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
1479                 /* fall through */
1480
1481         case WACOM_G4:
1482                 input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
1483
1484                 __set_bit(BTN_BACK, input_dev->keybit);
1485                 __set_bit(BTN_FORWARD, input_dev->keybit);
1486                 /* fall through */
1487
1488         case GRAPHIRE:
1489                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
1490
1491                 __set_bit(BTN_LEFT, input_dev->keybit);
1492                 __set_bit(BTN_RIGHT, input_dev->keybit);
1493                 __set_bit(BTN_MIDDLE, input_dev->keybit);
1494
1495                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1496                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1497                 __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
1498                 __set_bit(BTN_STYLUS, input_dev->keybit);
1499                 __set_bit(BTN_STYLUS2, input_dev->keybit);
1500
1501                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1502                 break;
1503
1504         case WACOM_24HD:
1505                 __set_bit(BTN_A, input_dev->keybit);
1506                 __set_bit(BTN_B, input_dev->keybit);
1507                 __set_bit(BTN_C, input_dev->keybit);
1508                 __set_bit(BTN_X, input_dev->keybit);
1509                 __set_bit(BTN_Y, input_dev->keybit);
1510                 __set_bit(BTN_Z, input_dev->keybit);
1511
1512                 for (i = 0; i < 10; i++)
1513                         __set_bit(BTN_0 + i, input_dev->keybit);
1514
1515                 __set_bit(KEY_PROG1, input_dev->keybit);
1516                 __set_bit(KEY_PROG2, input_dev->keybit);
1517                 __set_bit(KEY_PROG3, input_dev->keybit);
1518
1519                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1520                 input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
1521
1522                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
1523
1524                 wacom_setup_cintiq(wacom_wac);
1525                 break;
1526
1527         case WACOM_22HD:
1528                 __set_bit(KEY_PROG1, input_dev->keybit);
1529                 __set_bit(KEY_PROG2, input_dev->keybit);
1530                 __set_bit(KEY_PROG3, input_dev->keybit);
1531                 /* fall through */
1532
1533         case WACOM_21UX2:
1534                 __set_bit(BTN_A, input_dev->keybit);
1535                 __set_bit(BTN_B, input_dev->keybit);
1536                 __set_bit(BTN_C, input_dev->keybit);
1537                 __set_bit(BTN_X, input_dev->keybit);
1538                 __set_bit(BTN_Y, input_dev->keybit);
1539                 __set_bit(BTN_Z, input_dev->keybit);
1540                 __set_bit(BTN_BASE, input_dev->keybit);
1541                 __set_bit(BTN_BASE2, input_dev->keybit);
1542                 /* fall through */
1543
1544         case WACOM_BEE:
1545                 __set_bit(BTN_8, input_dev->keybit);
1546                 __set_bit(BTN_9, input_dev->keybit);
1547                 /* fall through */
1548
1549         case CINTIQ:
1550                 for (i = 0; i < 8; i++)
1551                         __set_bit(BTN_0 + i, input_dev->keybit);
1552
1553                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
1554                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
1555                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1556
1557                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
1558
1559                 wacom_setup_cintiq(wacom_wac);
1560                 break;
1561
1562         case INTUOS3:
1563         case INTUOS3L:
1564                 __set_bit(BTN_4, input_dev->keybit);
1565                 __set_bit(BTN_5, input_dev->keybit);
1566                 __set_bit(BTN_6, input_dev->keybit);
1567                 __set_bit(BTN_7, input_dev->keybit);
1568
1569                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
1570                 /* fall through */
1571
1572         case INTUOS3S:
1573                 __set_bit(BTN_0, input_dev->keybit);
1574                 __set_bit(BTN_1, input_dev->keybit);
1575                 __set_bit(BTN_2, input_dev->keybit);
1576                 __set_bit(BTN_3, input_dev->keybit);
1577
1578                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
1579                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1580                 /* fall through */
1581
1582         case INTUOS:
1583                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1584
1585                 wacom_setup_intuos(wacom_wac);
1586                 break;
1587
1588         case INTUOS5:
1589         case INTUOS5L:
1590                 if (features->device_type == BTN_TOOL_PEN) {
1591                         __set_bit(BTN_7, input_dev->keybit);
1592                         __set_bit(BTN_8, input_dev->keybit);
1593                 }
1594                 /* fall through */
1595
1596         case INTUOS5S:
1597                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1598
1599                 if (features->device_type == BTN_TOOL_PEN) {
1600                         for (i = 0; i < 7; i++)
1601                                 __set_bit(BTN_0 + i, input_dev->keybit);
1602
1603                         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
1604                                               features->distance_max,
1605                                               0, 0);
1606
1607                         input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1608
1609                         wacom_setup_intuos(wacom_wac);
1610                 } else if (features->device_type == BTN_TOOL_FINGER) {
1611                         __clear_bit(ABS_MISC, input_dev->absbit);
1612
1613                         __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
1614                         __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
1615                         __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
1616                         __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit);
1617
1618                         input_mt_init_slots(input_dev, features->touch_max, 0);
1619
1620                         input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
1621                                              0, features->x_max, 0, 0);
1622                         input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR,
1623                                              0, features->y_max, 0, 0);
1624
1625                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
1626                                              0, features->x_max,
1627                                              features->x_fuzz, 0);
1628                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
1629                                              0, features->y_max,
1630                                              features->y_fuzz, 0);
1631                 }
1632                 break;
1633
1634         case INTUOS4:
1635         case INTUOS4L:
1636                 __set_bit(BTN_7, input_dev->keybit);
1637                 __set_bit(BTN_8, input_dev->keybit);
1638                 /* fall through */
1639
1640         case INTUOS4S:
1641                 for (i = 0; i < 7; i++)
1642                         __set_bit(BTN_0 + i, input_dev->keybit);
1643
1644                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1645                 wacom_setup_intuos(wacom_wac);
1646
1647                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1648                 break;
1649
1650         case WACOM_24HDT:
1651                 if (features->device_type == BTN_TOOL_FINGER) {
1652                         input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
1653                         input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
1654                         input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
1655                         input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
1656                 }
1657                 /* fall through */
1658
1659         case MTSCREEN:
1660                 if (features->device_type == BTN_TOOL_FINGER) {
1661                         wacom_wac->slots = kmalloc(features->touch_max *
1662                                                         sizeof(int),
1663                                                    GFP_KERNEL);
1664                         if (!wacom_wac->slots)
1665                                 return -ENOMEM;
1666
1667                         for (i = 0; i < features->touch_max; i++)
1668                                 wacom_wac->slots[i] = -1;
1669                 }
1670                 /* fall through */
1671
1672         case TABLETPC2FG:
1673                 if (features->device_type == BTN_TOOL_FINGER) {
1674                         input_mt_init_slots(input_dev, features->touch_max, 0);
1675                         input_set_abs_params(input_dev, ABS_MT_TOOL_TYPE,
1676                                         0, MT_TOOL_MAX, 0, 0);
1677                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
1678                                         0, features->x_max, 0, 0);
1679                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
1680                                         0, features->y_max, 0, 0);
1681                 }
1682                 /* fall through */
1683
1684         case TABLETPC:
1685         case TABLETPCE:
1686                 __clear_bit(ABS_MISC, input_dev->absbit);
1687
1688                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
1689
1690                 if (features->device_type != BTN_TOOL_PEN)
1691                         break;  /* no need to process stylus stuff */
1692
1693                 /* fall through */
1694
1695         case PL:
1696         case DTU:
1697                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1698                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1699                 __set_bit(BTN_STYLUS, input_dev->keybit);
1700                 __set_bit(BTN_STYLUS2, input_dev->keybit);
1701
1702                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
1703                 break;
1704
1705         case PTU:
1706                 __set_bit(BTN_STYLUS2, input_dev->keybit);
1707                 /* fall through */
1708
1709         case PENPARTNER:
1710                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1711                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1712                 __set_bit(BTN_STYLUS, input_dev->keybit);
1713
1714                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1715                 break;
1716
1717         case BAMBOO_PT:
1718                 __clear_bit(ABS_MISC, input_dev->absbit);
1719
1720                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1721
1722                 if (features->device_type == BTN_TOOL_FINGER) {
1723                         __set_bit(BTN_LEFT, input_dev->keybit);
1724                         __set_bit(BTN_FORWARD, input_dev->keybit);
1725                         __set_bit(BTN_BACK, input_dev->keybit);
1726                         __set_bit(BTN_RIGHT, input_dev->keybit);
1727
1728                         __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
1729                         __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
1730                         input_mt_init_slots(input_dev, features->touch_max, 0);
1731
1732                         if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
1733                                 __set_bit(BTN_TOOL_TRIPLETAP,
1734                                           input_dev->keybit);
1735                                 __set_bit(BTN_TOOL_QUADTAP,
1736                                           input_dev->keybit);
1737
1738                                 input_set_abs_params(input_dev,
1739                                                      ABS_MT_TOUCH_MAJOR,
1740                                                      0, features->x_max, 0, 0);
1741                                 input_set_abs_params(input_dev,
1742                                                      ABS_MT_TOUCH_MINOR,
1743                                                      0, features->y_max, 0, 0);
1744                         }
1745
1746                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
1747                                              0, features->x_max,
1748                                              features->x_fuzz, 0);
1749                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
1750                                              0, features->y_max,
1751                                              features->y_fuzz, 0);
1752                 } else if (features->device_type == BTN_TOOL_PEN) {
1753                         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1754                         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1755                         __set_bit(BTN_STYLUS, input_dev->keybit);
1756                         __set_bit(BTN_STYLUS2, input_dev->keybit);
1757                         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
1758                                               features->distance_max,
1759                                               0, 0);
1760                 }
1761                 break;
1762         }
1763         return 0;
1764 }
1765
1766 static const struct wacom_features wacom_features_0x00 =
1767         { "Wacom Penpartner",     WACOM_PKGLEN_PENPRTN,    5040,  3780,  255,
1768           0, PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
1769 static const struct wacom_features wacom_features_0x10 =
1770         { "Wacom Graphire",       WACOM_PKGLEN_GRAPHIRE,  10206,  7422,  511,
1771           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1772 static const struct wacom_features wacom_features_0x11 =
1773         { "Wacom Graphire2 4x5",  WACOM_PKGLEN_GRAPHIRE,  10206,  7422,  511,
1774           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1775 static const struct wacom_features wacom_features_0x12 =
1776         { "Wacom Graphire2 5x7",  WACOM_PKGLEN_GRAPHIRE,  13918, 10206,  511,
1777           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1778 static const struct wacom_features wacom_features_0x13 =
1779         { "Wacom Graphire3",      WACOM_PKGLEN_GRAPHIRE,  10208,  7424,  511,
1780           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1781 static const struct wacom_features wacom_features_0x14 =
1782         { "Wacom Graphire3 6x8",  WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511,
1783           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1784 static const struct wacom_features wacom_features_0x15 =
1785         { "Wacom Graphire4 4x5",  WACOM_PKGLEN_GRAPHIRE,  10208,  7424,  511,
1786           63, WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1787 static const struct wacom_features wacom_features_0x16 =
1788         { "Wacom Graphire4 6x8",  WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511,
1789           63, WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1790 static const struct wacom_features wacom_features_0x17 =
1791         { "Wacom BambooFun 4x5",  WACOM_PKGLEN_BBFUN,     14760,  9225,  511,
1792           63, WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1793 static const struct wacom_features wacom_features_0x18 =
1794         { "Wacom BambooFun 6x8",  WACOM_PKGLEN_BBFUN,     21648, 13530,  511,
1795           63, WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1796 static const struct wacom_features wacom_features_0x19 =
1797         { "Wacom Bamboo1 Medium", WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511,
1798           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1799 static const struct wacom_features wacom_features_0x60 =
1800         { "Wacom Volito",         WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511,
1801           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1802 static const struct wacom_features wacom_features_0x61 =
1803         { "Wacom PenStation2",    WACOM_PKGLEN_GRAPHIRE,   3250,  2320,  255,
1804           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1805 static const struct wacom_features wacom_features_0x62 =
1806         { "Wacom Volito2 4x5",    WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511,
1807           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1808 static const struct wacom_features wacom_features_0x63 =
1809         { "Wacom Volito2 2x3",    WACOM_PKGLEN_GRAPHIRE,   3248,  2320,  511,
1810           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1811 static const struct wacom_features wacom_features_0x64 =
1812         { "Wacom PenPartner2",    WACOM_PKGLEN_GRAPHIRE,   3250,  2320,  511,
1813           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1814 static const struct wacom_features wacom_features_0x65 =
1815         { "Wacom Bamboo",         WACOM_PKGLEN_BBFUN,     14760,  9225,  511,
1816           63, WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1817 static const struct wacom_features wacom_features_0x69 =
1818         { "Wacom Bamboo1",        WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511,
1819           63, GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
1820 static const struct wacom_features wacom_features_0x6A =
1821         { "Wacom Bamboo1 4x6",    WACOM_PKGLEN_GRAPHIRE,  14760,  9225, 1023,
1822           63, GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1823 static const struct wacom_features wacom_features_0x6B =
1824         { "Wacom Bamboo1 5x8",    WACOM_PKGLEN_GRAPHIRE,  21648, 13530, 1023,
1825           63, GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1826 static const struct wacom_features wacom_features_0x20 =
1827         { "Wacom Intuos 4x5",     WACOM_PKGLEN_INTUOS,    12700, 10600, 1023,
1828           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1829 static const struct wacom_features wacom_features_0x21 =
1830         { "Wacom Intuos 6x8",     WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
1831           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1832 static const struct wacom_features wacom_features_0x22 =
1833         { "Wacom Intuos 9x12",    WACOM_PKGLEN_INTUOS,    30480, 24060, 1023,
1834           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1835 static const struct wacom_features wacom_features_0x23 =
1836         { "Wacom Intuos 12x12",   WACOM_PKGLEN_INTUOS,    30480, 31680, 1023,
1837           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1838 static const struct wacom_features wacom_features_0x24 =
1839         { "Wacom Intuos 12x18",   WACOM_PKGLEN_INTUOS,    45720, 31680, 1023,
1840           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1841 static const struct wacom_features wacom_features_0x30 =
1842         { "Wacom PL400",          WACOM_PKGLEN_GRAPHIRE,   5408,  4056,  255,
1843           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1844 static const struct wacom_features wacom_features_0x31 =
1845         { "Wacom PL500",          WACOM_PKGLEN_GRAPHIRE,   6144,  4608,  255,
1846           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1847 static const struct wacom_features wacom_features_0x32 =
1848         { "Wacom PL600",          WACOM_PKGLEN_GRAPHIRE,   6126,  4604,  255,
1849           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1850 static const struct wacom_features wacom_features_0x33 =
1851         { "Wacom PL600SX",        WACOM_PKGLEN_GRAPHIRE,   6260,  5016,  255,
1852           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1853 static const struct wacom_features wacom_features_0x34 =
1854         { "Wacom PL550",          WACOM_PKGLEN_GRAPHIRE,   6144,  4608,  511,
1855           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1856 static const struct wacom_features wacom_features_0x35 =
1857         { "Wacom PL800",          WACOM_PKGLEN_GRAPHIRE,   7220,  5780,  511,
1858           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1859 static const struct wacom_features wacom_features_0x37 =
1860         { "Wacom PL700",          WACOM_PKGLEN_GRAPHIRE,   6758,  5406,  511,
1861           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1862 static const struct wacom_features wacom_features_0x38 =
1863         { "Wacom PL510",          WACOM_PKGLEN_GRAPHIRE,   6282,  4762,  511,
1864           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1865 static const struct wacom_features wacom_features_0x39 =
1866         { "Wacom DTU710",         WACOM_PKGLEN_GRAPHIRE,  34080, 27660,  511,
1867           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1868 static const struct wacom_features wacom_features_0xC4 =
1869         { "Wacom DTF521",         WACOM_PKGLEN_GRAPHIRE,   6282,  4762,  511,
1870           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1871 static const struct wacom_features wacom_features_0xC0 =
1872         { "Wacom DTF720",         WACOM_PKGLEN_GRAPHIRE,   6858,  5506,  511,
1873           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1874 static const struct wacom_features wacom_features_0xC2 =
1875         { "Wacom DTF720a",        WACOM_PKGLEN_GRAPHIRE,   6858,  5506,  511,
1876           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1877 static const struct wacom_features wacom_features_0x03 =
1878         { "Wacom Cintiq Partner", WACOM_PKGLEN_GRAPHIRE,  20480, 15360,  511,
1879           0, PTU, WACOM_PL_RES, WACOM_PL_RES };
1880 static const struct wacom_features wacom_features_0x41 =
1881         { "Wacom Intuos2 4x5",    WACOM_PKGLEN_INTUOS,    12700, 10600, 1023,
1882           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1883 static const struct wacom_features wacom_features_0x42 =
1884         { "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
1885           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1886 static const struct wacom_features wacom_features_0x43 =
1887         { "Wacom Intuos2 9x12",   WACOM_PKGLEN_INTUOS,    30480, 24060, 1023,
1888           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1889 static const struct wacom_features wacom_features_0x44 =
1890         { "Wacom Intuos2 12x12",  WACOM_PKGLEN_INTUOS,    30480, 31680, 1023,
1891           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1892 static const struct wacom_features wacom_features_0x45 =
1893         { "Wacom Intuos2 12x18",  WACOM_PKGLEN_INTUOS,    45720, 31680, 1023,
1894           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1895 static const struct wacom_features wacom_features_0xB0 =
1896         { "Wacom Intuos3 4x5",    WACOM_PKGLEN_INTUOS,    25400, 20320, 1023,
1897           63, INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1898 static const struct wacom_features wacom_features_0xB1 =
1899         { "Wacom Intuos3 6x8",    WACOM_PKGLEN_INTUOS,    40640, 30480, 1023,
1900           63, INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1901 static const struct wacom_features wacom_features_0xB2 =
1902         { "Wacom Intuos3 9x12",   WACOM_PKGLEN_INTUOS,    60960, 45720, 1023,
1903           63, INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1904 static const struct wacom_features wacom_features_0xB3 =
1905         { "Wacom Intuos3 12x12",  WACOM_PKGLEN_INTUOS,    60960, 60960, 1023,
1906           63, INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1907 static const struct wacom_features wacom_features_0xB4 =
1908         { "Wacom Intuos3 12x19",  WACOM_PKGLEN_INTUOS,    97536, 60960, 1023,
1909           63, INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1910 static const struct wacom_features wacom_features_0xB5 =
1911         { "Wacom Intuos3 6x11",   WACOM_PKGLEN_INTUOS,    54204, 31750, 1023,
1912           63, INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1913 static const struct wacom_features wacom_features_0xB7 =
1914         { "Wacom Intuos3 4x6",    WACOM_PKGLEN_INTUOS,    31496, 19685, 1023,
1915           63, INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1916 static const struct wacom_features wacom_features_0xB8 =
1917         { "Wacom Intuos4 4x6",    WACOM_PKGLEN_INTUOS,    31496, 19685, 2047,
1918           63, INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1919 static const struct wacom_features wacom_features_0xB9 =
1920         { "Wacom Intuos4 6x9",    WACOM_PKGLEN_INTUOS,    44704, 27940, 2047,
1921           63, INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1922 static const struct wacom_features wacom_features_0xBA =
1923         { "Wacom Intuos4 8x13",   WACOM_PKGLEN_INTUOS,    65024, 40640, 2047,
1924           63, INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1925 static const struct wacom_features wacom_features_0xBB =
1926         { "Wacom Intuos4 12x19",  WACOM_PKGLEN_INTUOS,    97536, 60960, 2047,
1927           63, INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1928 static const struct wacom_features wacom_features_0xBC =
1929         { "Wacom Intuos4 WL",     WACOM_PKGLEN_INTUOS,    40840, 25400, 2047,
1930           63, INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1931 static const struct wacom_features wacom_features_0x26 =
1932         { "Wacom Intuos5 touch S", WACOM_PKGLEN_INTUOS,  31496, 19685, 2047,
1933           63, INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
1934           .touch_max = 16 };
1935 static const struct wacom_features wacom_features_0x27 =
1936         { "Wacom Intuos5 touch M", WACOM_PKGLEN_INTUOS,  44704, 27940, 2047,
1937           63, INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
1938           .touch_max = 16 };
1939 static const struct wacom_features wacom_features_0x28 =
1940         { "Wacom Intuos5 touch L", WACOM_PKGLEN_INTUOS, 65024, 40640, 2047,
1941           63, INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
1942           .touch_max = 16 };
1943 static const struct wacom_features wacom_features_0x29 =
1944         { "Wacom Intuos5 S", WACOM_PKGLEN_INTUOS,  31496, 19685, 2047,
1945           63, INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1946 static const struct wacom_features wacom_features_0x2A =
1947         { "Wacom Intuos5 M", WACOM_PKGLEN_INTUOS,  44704, 27940, 2047,
1948           63, INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1949 static const struct wacom_features wacom_features_0xF4 =
1950         { "Wacom Cintiq 24HD",       WACOM_PKGLEN_INTUOS,   104480, 65600, 2047,
1951           63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1952 static const struct wacom_features wacom_features_0xF8 =
1953         { "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS,   104480, 65600, 2047, /* Pen */
1954           63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
1955 static const struct wacom_features wacom_features_0xF6 =
1956         { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
1957           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10 };
1958 static const struct wacom_features wacom_features_0x3F =
1959         { "Wacom Cintiq 21UX",    WACOM_PKGLEN_INTUOS,    87200, 65600, 1023,
1960           63, CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1961 static const struct wacom_features wacom_features_0xC5 =
1962         { "Wacom Cintiq 20WSX",   WACOM_PKGLEN_INTUOS,    86680, 54180, 1023,
1963           63, WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1964 static const struct wacom_features wacom_features_0xC6 =
1965         { "Wacom Cintiq 12WX",    WACOM_PKGLEN_INTUOS,    53020, 33440, 1023,
1966           63, WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1967 static const struct wacom_features wacom_features_0xC7 =
1968         { "Wacom DTU1931",        WACOM_PKGLEN_GRAPHIRE,  37832, 30305,  511,
1969           0, PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1970 static const struct wacom_features wacom_features_0xCE =
1971         { "Wacom DTU2231",        WACOM_PKGLEN_GRAPHIRE,  47864, 27011,  511,
1972           0, DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1973 static const struct wacom_features wacom_features_0xF0 =
1974         { "Wacom DTU1631",        WACOM_PKGLEN_GRAPHIRE,  34623, 19553,  511,
1975           0, DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1976 static const struct wacom_features wacom_features_0xCC =
1977         { "Wacom Cintiq 21UX2",   WACOM_PKGLEN_INTUOS,    87200, 65600, 2047,
1978           63, WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1979 static const struct wacom_features wacom_features_0xFA =
1980         { "Wacom Cintiq 22HD",    WACOM_PKGLEN_INTUOS,    95840, 54260, 2047,
1981           63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1982 static const struct wacom_features wacom_features_0x90 =
1983         { "Wacom ISDv4 90",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
1984           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1985 static const struct wacom_features wacom_features_0x93 =
1986         { "Wacom ISDv4 93",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
1987           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1988 static const struct wacom_features wacom_features_0x97 =
1989         { "Wacom ISDv4 97",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  511,
1990           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1991 static const struct wacom_features wacom_features_0x9A =
1992         { "Wacom ISDv4 9A",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
1993           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1994 static const struct wacom_features wacom_features_0x9F =
1995         { "Wacom ISDv4 9F",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
1996           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1997 static const struct wacom_features wacom_features_0xE2 =
1998         { "Wacom ISDv4 E2",       WACOM_PKGLEN_TPC2FG,    26202, 16325,  255,
1999           0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2000           .touch_max = 2 };
2001 static const struct wacom_features wacom_features_0xE3 =
2002         { "Wacom ISDv4 E3",       WACOM_PKGLEN_TPC2FG,    26202, 16325,  255,
2003           0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2004           .touch_max = 2 };
2005 static const struct wacom_features wacom_features_0xE5 =
2006         { "Wacom ISDv4 E5",       WACOM_PKGLEN_MTOUCH,    26202, 16325,  255,
2007           0, MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2008 static const struct wacom_features wacom_features_0xE6 =
2009         { "Wacom ISDv4 E6",       WACOM_PKGLEN_TPC2FG,    27760, 15694,  255,
2010           0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2011         .touch_max = 2 };
2012 static const struct wacom_features wacom_features_0xEC =
2013         { "Wacom ISDv4 EC",       WACOM_PKGLEN_GRAPHIRE,  25710, 14500,  255,
2014           0, TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2015 static const struct wacom_features wacom_features_0xED =
2016         { "Wacom ISDv4 ED",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
2017           0, TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2018 static const struct wacom_features wacom_features_0xEF =
2019         { "Wacom ISDv4 EF",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
2020           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2021 static const struct wacom_features wacom_features_0x47 =
2022         { "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
2023           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2024 static const struct wacom_features wacom_features_0x84 =
2025         { "Wacom Wireless Receiver", WACOM_PKGLEN_WIRELESS, 0, 0, 0,
2026           0, WIRELESS, 0, 0, .touch_max = 16 };
2027 static const struct wacom_features wacom_features_0xD0 =
2028         { "Wacom Bamboo 2FG",     WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
2029           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2030           .touch_max = 2 };
2031 static const struct wacom_features wacom_features_0xD1 =
2032         { "Wacom Bamboo 2FG 4x5", WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
2033           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2034           .touch_max = 2 };
2035 static const struct wacom_features wacom_features_0xD2 =
2036         { "Wacom Bamboo Craft",   WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
2037           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2038 static const struct wacom_features wacom_features_0xD3 =
2039         { "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN,     21648, 13700, 1023,
2040           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2041           .touch_max = 2 };
2042 static const struct wacom_features wacom_features_0xD4 =
2043         { "Wacom Bamboo Pen",     WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
2044           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2045 static const struct wacom_features wacom_features_0xD5 =
2046         { "Wacom Bamboo Pen 6x8",     WACOM_PKGLEN_BBFUN, 21648, 13700, 1023,
2047           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2048 static const struct wacom_features wacom_features_0xD6 =
2049         { "Wacom BambooPT 2FG 4x5", WACOM_PKGLEN_BBFUN,   14720,  9200, 1023,
2050           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2051           .touch_max = 2 };
2052 static const struct wacom_features wacom_features_0xD7 =
2053         { "Wacom BambooPT 2FG Small", WACOM_PKGLEN_BBFUN, 14720,  9200, 1023,
2054           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2055           .touch_max = 2 };
2056 static const struct wacom_features wacom_features_0xD8 =
2057         { "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN,   21648, 13700, 1023,
2058           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2059           .touch_max = 2 };
2060 static const struct wacom_features wacom_features_0xDA =
2061         { "Wacom Bamboo 2FG 4x5 SE", WACOM_PKGLEN_BBFUN,  14720,  9200, 1023,
2062           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2063           .touch_max = 2 };
2064 static struct wacom_features wacom_features_0xDB =
2065         { "Wacom Bamboo 2FG 6x8 SE", WACOM_PKGLEN_BBFUN,  21648, 13700, 1023,
2066           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2067           .touch_max = 2 };
2068 static const struct wacom_features wacom_features_0xDD =
2069         { "Wacom Bamboo Connect", WACOM_PKGLEN_BBPEN,     14720,  9200, 1023,
2070           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2071 static const struct wacom_features wacom_features_0xDE =
2072         { "Wacom Bamboo 16FG 4x5", WACOM_PKGLEN_BBPEN,    14720,  9200, 1023,
2073           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2074           .touch_max = 16 };
2075 static const struct wacom_features wacom_features_0xDF =
2076         { "Wacom Bamboo 16FG 6x8", WACOM_PKGLEN_BBPEN,    21648, 13700, 1023,
2077           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2078           .touch_max = 16 };
2079 static const struct wacom_features wacom_features_0x6004 =
2080         { "ISD-V4",               WACOM_PKGLEN_GRAPHIRE,  12800,  8000,  255,
2081           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2082
2083 #define USB_DEVICE_WACOM(prod)                                  \
2084         USB_DEVICE(USB_VENDOR_ID_WACOM, prod),                  \
2085         .driver_info = (kernel_ulong_t)&wacom_features_##prod
2086
2087 #define USB_DEVICE_DETAILED(prod, class, sub, proto)                    \
2088         USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_WACOM, prod, class, \
2089                                       sub, proto),                      \
2090         .driver_info = (kernel_ulong_t)&wacom_features_##prod
2091
2092 #define USB_DEVICE_LENOVO(prod)                                 \
2093         USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),                 \
2094         .driver_info = (kernel_ulong_t)&wacom_features_##prod
2095
2096 const struct usb_device_id wacom_ids[] = {
2097         { USB_DEVICE_WACOM(0x00) },
2098         { USB_DEVICE_WACOM(0x10) },
2099         { USB_DEVICE_WACOM(0x11) },
2100         { USB_DEVICE_WACOM(0x12) },
2101         { USB_DEVICE_WACOM(0x13) },
2102         { USB_DEVICE_WACOM(0x14) },
2103         { USB_DEVICE_WACOM(0x15) },
2104         { USB_DEVICE_WACOM(0x16) },
2105         { USB_DEVICE_WACOM(0x17) },
2106         { USB_DEVICE_WACOM(0x18) },
2107         { USB_DEVICE_WACOM(0x19) },
2108         { USB_DEVICE_WACOM(0x60) },
2109         { USB_DEVICE_WACOM(0x61) },
2110         { USB_DEVICE_WACOM(0x62) },
2111         { USB_DEVICE_WACOM(0x63) },
2112         { USB_DEVICE_WACOM(0x64) },
2113         { USB_DEVICE_WACOM(0x65) },
2114         { USB_DEVICE_WACOM(0x69) },
2115         { USB_DEVICE_WACOM(0x6A) },
2116         { USB_DEVICE_WACOM(0x6B) },
2117         { USB_DEVICE_WACOM(0x20) },
2118         { USB_DEVICE_WACOM(0x21) },
2119         { USB_DEVICE_WACOM(0x22) },
2120         { USB_DEVICE_WACOM(0x23) },
2121         { USB_DEVICE_WACOM(0x24) },
2122         { USB_DEVICE_WACOM(0x30) },
2123         { USB_DEVICE_WACOM(0x31) },
2124         { USB_DEVICE_WACOM(0x32) },
2125         { USB_DEVICE_WACOM(0x33) },
2126         { USB_DEVICE_WACOM(0x34) },
2127         { USB_DEVICE_WACOM(0x35) },
2128         { USB_DEVICE_WACOM(0x37) },
2129         { USB_DEVICE_WACOM(0x38) },
2130         { USB_DEVICE_WACOM(0x39) },
2131         { USB_DEVICE_WACOM(0xC4) },
2132         { USB_DEVICE_WACOM(0xC0) },
2133         { USB_DEVICE_WACOM(0xC2) },
2134         { USB_DEVICE_WACOM(0x03) },
2135         { USB_DEVICE_WACOM(0x41) },
2136         { USB_DEVICE_WACOM(0x42) },
2137         { USB_DEVICE_WACOM(0x43) },
2138         { USB_DEVICE_WACOM(0x44) },
2139         { USB_DEVICE_WACOM(0x45) },
2140         { USB_DEVICE_WACOM(0xB0) },
2141         { USB_DEVICE_WACOM(0xB1) },
2142         { USB_DEVICE_WACOM(0xB2) },
2143         { USB_DEVICE_WACOM(0xB3) },
2144         { USB_DEVICE_WACOM(0xB4) },
2145         { USB_DEVICE_WACOM(0xB5) },
2146         { USB_DEVICE_WACOM(0xB7) },
2147         { USB_DEVICE_WACOM(0xB8) },
2148         { USB_DEVICE_WACOM(0xB9) },
2149         { USB_DEVICE_WACOM(0xBA) },
2150         { USB_DEVICE_WACOM(0xBB) },
2151         { USB_DEVICE_WACOM(0xBC) },
2152         { USB_DEVICE_WACOM(0x26) },
2153         { USB_DEVICE_WACOM(0x27) },
2154         { USB_DEVICE_WACOM(0x28) },
2155         { USB_DEVICE_WACOM(0x29) },
2156         { USB_DEVICE_WACOM(0x2A) },
2157         { USB_DEVICE_WACOM(0x3F) },
2158         { USB_DEVICE_WACOM(0xC5) },
2159         { USB_DEVICE_WACOM(0xC6) },
2160         { USB_DEVICE_WACOM(0xC7) },
2161         /*
2162          * DTU-2231 has two interfaces on the same configuration,
2163          * only one is used.
2164          */
2165         { USB_DEVICE_DETAILED(0xCE, USB_CLASS_HID,
2166                               USB_INTERFACE_SUBCLASS_BOOT,
2167                               USB_INTERFACE_PROTOCOL_MOUSE) },
2168         { USB_DEVICE_WACOM(0x84) },
2169         { USB_DEVICE_WACOM(0xD0) },
2170         { USB_DEVICE_WACOM(0xD1) },
2171         { USB_DEVICE_WACOM(0xD2) },
2172         { USB_DEVICE_WACOM(0xD3) },
2173         { USB_DEVICE_WACOM(0xD4) },
2174         { USB_DEVICE_WACOM(0xD5) },
2175         { USB_DEVICE_WACOM(0xD6) },
2176         { USB_DEVICE_WACOM(0xD7) },
2177         { USB_DEVICE_WACOM(0xD8) },
2178         { USB_DEVICE_WACOM(0xDA) },
2179         { USB_DEVICE_WACOM(0xDB) },
2180         { USB_DEVICE_WACOM(0xDD) },
2181         { USB_DEVICE_WACOM(0xDE) },
2182         { USB_DEVICE_WACOM(0xDF) },
2183         { USB_DEVICE_WACOM(0xF0) },
2184         { USB_DEVICE_WACOM(0xCC) },
2185         { USB_DEVICE_WACOM(0x90) },
2186         { USB_DEVICE_WACOM(0x93) },
2187         { USB_DEVICE_WACOM(0x97) },
2188         { USB_DEVICE_WACOM(0x9A) },
2189         { USB_DEVICE_WACOM(0x9F) },
2190         { USB_DEVICE_WACOM(0xE2) },
2191         { USB_DEVICE_WACOM(0xE3) },
2192         { USB_DEVICE_WACOM(0xE5) },
2193         { USB_DEVICE_WACOM(0xE6) },
2194         { USB_DEVICE_WACOM(0xEC) },
2195         { USB_DEVICE_WACOM(0xED) },
2196         { USB_DEVICE_WACOM(0xEF) },
2197         { USB_DEVICE_WACOM(0x47) },
2198         { USB_DEVICE_WACOM(0xF4) },
2199         { USB_DEVICE_WACOM(0xF8) },
2200         { USB_DEVICE_WACOM(0xF6) },
2201         { USB_DEVICE_WACOM(0xFA) },
2202         { USB_DEVICE_LENOVO(0x6004) },
2203         { }
2204 };
2205 MODULE_DEVICE_TABLE(usb, wacom_ids);