drivers/hid/wacom_wac.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * drivers/input/tablet/wacom_wac.c
   4  *
   5  *  USB Wacom tablet support - Wacom specific code
   6  */
   7
   8 /*
   9  */
  10
  11 #include "wacom_wac.h"
  12 #include "wacom.h"
  13 #include <linux/input/mt.h>
  14
  15 /* resolution for penabled devices */
  16 #define WACOM_PL_RES            20
  17 #define WACOM_PENPRTN_RES       40
  18 #define WACOM_VOLITO_RES        50
  19 #define WACOM_GRAPHIRE_RES      80
  20 #define WACOM_INTUOS_RES        100
  21 #define WACOM_INTUOS3_RES       200
  22
  23 /* Newer Cintiq and DTU have an offset between tablet and screen areas */
  24 #define WACOM_DTU_OFFSET        200
  25 #define WACOM_CINTIQ_OFFSET     400
  26
  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 bool touch_arbitration = 1;
  34 module_param(touch_arbitration, bool, 0644);
  35 MODULE_PARM_DESC(touch_arbitration, " on (Y) off (N)");
  36
  37 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
  38                                 int button_count, int mask);
  39
  40 static int wacom_numbered_button_to_key(int n);
  41
  42 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
  43                              int group);
  44 /*
  45  * Percent of battery capacity for Graphire.
  46  * 8th value means AC online and show 100% capacity.
  47  */
  48 static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
  49
  50 /*
  51  * Percent of battery capacity for Intuos4 WL, AC has a separate bit.
  52  */
  53 static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
  54
  55 static void __wacom_notify_battery(struct wacom_battery *battery,
  56                                    int bat_status, int bat_capacity,
  57                                    bool bat_charging, bool bat_connected,
  58                                    bool ps_connected)
  59 {
  60         bool changed = battery->bat_status       != bat_status    ||
  61                        battery->battery_capacity != bat_capacity  ||
  62                        battery->bat_charging     != bat_charging  ||
  63                        battery->bat_connected    != bat_connected ||
  64                        battery->ps_connected     != ps_connected;
  65
  66         if (changed) {
  67                 battery->bat_status = bat_status;
  68                 battery->battery_capacity = bat_capacity;
  69                 battery->bat_charging = bat_charging;
  70                 battery->bat_connected = bat_connected;
  71                 battery->ps_connected = ps_connected;
  72
  73                 if (battery->battery)
  74                         power_supply_changed(battery->battery);
  75         }
  76 }
  77
  78 static void wacom_notify_battery(struct wacom_wac *wacom_wac,
  79         int bat_status, int bat_capacity, bool bat_charging,
  80         bool bat_connected, bool ps_connected)
  81 {
  82         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
  83
  84         __wacom_notify_battery(&wacom->battery, bat_status, bat_capacity,
  85                                bat_charging, bat_connected, ps_connected);
  86 }
  87
  88 static int wacom_penpartner_irq(struct wacom_wac *wacom)
  89 {
  90         unsigned char *data = wacom->data;
  91         struct input_dev *input = wacom->pen_input;
  92
  93         switch (data[0]) {
  94         case 1:
  95                 if (data[5] & 0x80) {
  96                         wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
  97                         wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
  98                         input_report_key(input, wacom->tool[0], 1);
  99                         input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
 100                         input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
 101                         input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
 102                         input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
 103                         input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
 104                         input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
 105                 } else {
 106                         input_report_key(input, wacom->tool[0], 0);
 107                         input_report_abs(input, ABS_MISC, 0); /* report tool id */
 108                         input_report_abs(input, ABS_PRESSURE, -1);
 109                         input_report_key(input, BTN_TOUCH, 0);
 110                 }
 111                 break;
 112
 113         case 2:
 114                 input_report_key(input, BTN_TOOL_PEN, 1);
 115                 input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
 116                 input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
 117                 input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
 118                 input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
 119                 input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
 120                 input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
 121                 break;
 122
 123         default:
 124                 dev_dbg(input->dev.parent,
 125                         "%s: received unknown report #%d\n", __func__, data[0]);
 126                 return 0;
 127         }
 128
 129         return 1;
 130 }
 131
 132 static int wacom_pl_irq(struct wacom_wac *wacom)
 133 {
 134         struct wacom_features *features = &wacom->features;
 135         unsigned char *data = wacom->data;
 136         struct input_dev *input = wacom->pen_input;
 137         int prox, pressure;
 138
 139         if (data[0] != WACOM_REPORT_PENABLED) {
 140                 dev_dbg(input->dev.parent,
 141                         "%s: received unknown report #%d\n", __func__, data[0]);
 142                 return 0;
 143         }
 144
 145         prox = data[1] & 0x40;
 146
 147         if (!wacom->id[0]) {
 148                 if ((data[0] & 0x10) || (data[4] & 0x20)) {
 149                         wacom->tool[0] = BTN_TOOL_RUBBER;
 150                         wacom->id[0] = ERASER_DEVICE_ID;
 151                 }
 152                 else {
 153                         wacom->tool[0] = BTN_TOOL_PEN;
 154                         wacom->id[0] = STYLUS_DEVICE_ID;
 155                 }
 156         }
 157
 158         /* If the eraser is in prox, STYLUS2 is always set. If we
 159          * mis-detected the type and notice that STYLUS2 isn't set
 160          * then force the eraser out of prox and let the pen in.
 161          */
 162         if (wacom->tool[0] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
 163                 input_report_key(input, BTN_TOOL_RUBBER, 0);
 164                 input_report_abs(input, ABS_MISC, 0);
 165                 input_sync(input);
 166                 wacom->tool[0] = BTN_TOOL_PEN;
 167                 wacom->id[0] = STYLUS_DEVICE_ID;
 168         }
 169
 170         if (prox) {
 171                 pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
 172                 if (features->pressure_max > 255)
 173                         pressure = (pressure << 1) | ((data[4] >> 6) & 1);
 174                 pressure += (features->pressure_max + 1) / 2;
 175
 176                 input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
 177                 input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
 178                 input_report_abs(input, ABS_PRESSURE, pressure);
 179
 180                 input_report_key(input, BTN_TOUCH, data[4] & 0x08);
 181                 input_report_key(input, BTN_STYLUS, data[4] & 0x10);
 182                 /* Only allow the stylus2 button to be reported for the pen tool. */
 183                 input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20));
 184         }
 185
 186         if (!prox)
 187                 wacom->id[0] = 0;
 188         input_report_key(input, wacom->tool[0], prox);
 189         input_report_abs(input, ABS_MISC, wacom->id[0]);
 190         return 1;
 191 }
 192
 193 static int wacom_ptu_irq(struct wacom_wac *wacom)
 194 {
 195         unsigned char *data = wacom->data;
 196         struct input_dev *input = wacom->pen_input;
 197
 198         if (data[0] != WACOM_REPORT_PENABLED) {
 199                 dev_dbg(input->dev.parent,
 200                         "%s: received unknown report #%d\n", __func__, data[0]);
 201                 return 0;
 202         }
 203
 204         if (data[1] & 0x04) {
 205                 input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
 206                 input_report_key(input, BTN_TOUCH, data[1] & 0x08);
 207                 wacom->id[0] = ERASER_DEVICE_ID;
 208         } else {
 209                 input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
 210                 input_report_key(input, BTN_TOUCH, data[1] & 0x01);
 211                 wacom->id[0] = STYLUS_DEVICE_ID;
 212         }
 213         input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
 214         input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
 215         input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
 216         input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
 217         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
 218         input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
 219         return 1;
 220 }
 221
 222 static int wacom_dtu_irq(struct wacom_wac *wacom)
 223 {
 224         unsigned char *data = wacom->data;
 225         struct input_dev *input = wacom->pen_input;
 226         int prox = data[1] & 0x20;
 227
 228         dev_dbg(input->dev.parent,
 229                 "%s: received report #%d", __func__, data[0]);
 230
 231         if (prox) {
 232                 /* Going into proximity select tool */
 233                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
 234                 if (wacom->tool[0] == BTN_TOOL_PEN)
 235                         wacom->id[0] = STYLUS_DEVICE_ID;
 236                 else
 237                         wacom->id[0] = ERASER_DEVICE_ID;
 238         }
 239         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
 240         input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
 241         input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
 242         input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
 243         input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x01) << 8) | data[6]);
 244         input_report_key(input, BTN_TOUCH, data[1] & 0x05);
 245         if (!prox) /* out-prox */
 246                 wacom->id[0] = 0;
 247         input_report_key(input, wacom->tool[0], prox);
 248         input_report_abs(input, ABS_MISC, wacom->id[0]);
 249         return 1;
 250 }
 251
 252 static int wacom_dtus_irq(struct wacom_wac *wacom)
 253 {
 254         unsigned char *data = wacom->data;
 255         struct input_dev *input = wacom->pen_input;
 256         unsigned short prox, pressure = 0;
 257
 258         if (data[0] != WACOM_REPORT_DTUS && data[0] != WACOM_REPORT_DTUSPAD) {
 259                 dev_dbg(input->dev.parent,
 260                         "%s: received unknown report #%d", __func__, data[0]);
 261                 return 0;
 262         } else if (data[0] == WACOM_REPORT_DTUSPAD) {
 263                 input = wacom->pad_input;
 264                 input_report_key(input, BTN_0, (data[1] & 0x01));
 265                 input_report_key(input, BTN_1, (data[1] & 0x02));
 266                 input_report_key(input, BTN_2, (data[1] & 0x04));
 267                 input_report_key(input, BTN_3, (data[1] & 0x08));
 268                 input_report_abs(input, ABS_MISC,
 269                                  data[1] & 0x0f ? PAD_DEVICE_ID : 0);
 270                 return 1;
 271         } else {
 272                 prox = data[1] & 0x80;
 273                 if (prox) {
 274                         switch ((data[1] >> 3) & 3) {
 275                         case 1: /* Rubber */
 276                                 wacom->tool[0] = BTN_TOOL_RUBBER;
 277                                 wacom->id[0] = ERASER_DEVICE_ID;
 278                                 break;
 279
 280                         case 2: /* Pen */
 281                                 wacom->tool[0] = BTN_TOOL_PEN;
 282                                 wacom->id[0] = STYLUS_DEVICE_ID;
 283                                 break;
 284                         }
 285                 }
 286
 287                 input_report_key(input, BTN_STYLUS, data[1] & 0x20);
 288                 input_report_key(input, BTN_STYLUS2, data[1] & 0x40);
 289                 input_report_abs(input, ABS_X, get_unaligned_be16(&data[3]));
 290                 input_report_abs(input, ABS_Y, get_unaligned_be16(&data[5]));
 291                 pressure = ((data[1] & 0x03) << 8) | (data[2] & 0xff);
 292                 input_report_abs(input, ABS_PRESSURE, pressure);
 293                 input_report_key(input, BTN_TOUCH, pressure > 10);
 294
 295                 if (!prox) /* out-prox */
 296                         wacom->id[0] = 0;
 297                 input_report_key(input, wacom->tool[0], prox);
 298                 input_report_abs(input, ABS_MISC, wacom->id[0]);
 299                 return 1;
 300         }
 301 }
 302
 303 static int wacom_graphire_irq(struct wacom_wac *wacom)
 304 {
 305         struct wacom_features *features = &wacom->features;
 306         unsigned char *data = wacom->data;
 307         struct input_dev *input = wacom->pen_input;
 308         struct input_dev *pad_input = wacom->pad_input;
 309         int battery_capacity, ps_connected;
 310         int prox;
 311         int rw = 0;
 312         int retval = 0;
 313
 314         if (features->type == GRAPHIRE_BT) {
 315                 if (data[0] != WACOM_REPORT_PENABLED_BT) {
 316                         dev_dbg(input->dev.parent,
 317                                 "%s: received unknown report #%d\n", __func__,
 318                                 data[0]);
 319                         goto exit;
 320                 }
 321         } else if (data[0] != WACOM_REPORT_PENABLED) {
 322                 dev_dbg(input->dev.parent,
 323                         "%s: received unknown report #%d\n", __func__, data[0]);
 324                 goto exit;
 325         }
 326
 327         prox = data[1] & 0x80;
 328         if (prox || wacom->id[0]) {
 329                 if (prox) {
 330                         switch ((data[1] >> 5) & 3) {
 331
 332                         case 0: /* Pen */
 333                                 wacom->tool[0] = BTN_TOOL_PEN;
 334                                 wacom->id[0] = STYLUS_DEVICE_ID;
 335                                 break;
 336
 337                         case 1: /* Rubber */
 338                                 wacom->tool[0] = BTN_TOOL_RUBBER;
 339                                 wacom->id[0] = ERASER_DEVICE_ID;
 340                                 break;
 341
 342                         case 2: /* Mouse with wheel */
 343                                 input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
 344                                 /* fall through */
 345
 346                         case 3: /* Mouse without wheel */
 347                                 wacom->tool[0] = BTN_TOOL_MOUSE;
 348                                 wacom->id[0] = CURSOR_DEVICE_ID;
 349                                 break;
 350                         }
 351                 }
 352                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
 353                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
 354                 if (wacom->tool[0] != BTN_TOOL_MOUSE) {
 355                         if (features->type == GRAPHIRE_BT)
 356                                 input_report_abs(input, ABS_PRESSURE, data[6] |
 357                                         (((__u16) (data[1] & 0x08)) << 5));
 358                         else
 359                                 input_report_abs(input, ABS_PRESSURE, data[6] |
 360                                         ((data[7] & 0x03) << 8));
 361                         input_report_key(input, BTN_TOUCH, data[1] & 0x01);
 362                         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
 363                         input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
 364                 } else {
 365                         input_report_key(input, BTN_LEFT, data[1] & 0x01);
 366                         input_report_key(input, BTN_RIGHT, data[1] & 0x02);
 367                         if (features->type == WACOM_G4 ||
 368                                         features->type == WACOM_MO) {
 369                                 input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
 370                                 rw = (data[7] & 0x04) - (data[7] & 0x03);
 371                         } else if (features->type == GRAPHIRE_BT) {
 372                                 /* Compute distance between mouse and tablet */
 373                                 rw = 44 - (data[6] >> 2);
 374                                 rw = clamp_val(rw, 0, 31);
 375                                 input_report_abs(input, ABS_DISTANCE, rw);
 376                                 if (((data[1] >> 5) & 3) == 2) {
 377                                         /* Mouse with wheel */
 378                                         input_report_key(input, BTN_MIDDLE,
 379                                                         data[1] & 0x04);
 380                                         rw = (data[6] & 0x01) ? -1 :
 381                                                 (data[6] & 0x02) ? 1 : 0;
 382                                 } else {
 383                                         rw = 0;
 384                                 }
 385                         } else {
 386                                 input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
 387                                 rw = -(signed char)data[6];
 388                         }
 389                         input_report_rel(input, REL_WHEEL, rw);
 390                 }
 391
 392                 if (!prox)
 393                         wacom->id[0] = 0;
 394                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
 395                 input_report_key(input, wacom->tool[0], prox);
 396                 input_sync(input); /* sync last event */
 397         }
 398
 399         /* send pad data */
 400         switch (features->type) {
 401         case WACOM_G4:
 402                 prox = data[7] & 0xf8;
 403                 if (prox || wacom->id[1]) {
 404                         wacom->id[1] = PAD_DEVICE_ID;
 405                         input_report_key(pad_input, BTN_BACK, (data[7] & 0x40));
 406                         input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x80));
 407                         rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
 408                         input_report_rel(pad_input, REL_WHEEL, rw);
 409                         if (!prox)
 410                                 wacom->id[1] = 0;
 411                         input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
 412                         retval = 1;
 413                 }
 414                 break;
 415
 416         case WACOM_MO:
 417                 prox = (data[7] & 0xf8) || data[8];
 418                 if (prox || wacom->id[1]) {
 419                         wacom->id[1] = PAD_DEVICE_ID;
 420                         input_report_key(pad_input, BTN_BACK, (data[7] & 0x08));
 421                         input_report_key(pad_input, BTN_LEFT, (data[7] & 0x20));
 422                         input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x10));
 423                         input_report_key(pad_input, BTN_RIGHT, (data[7] & 0x40));
 424                         input_report_abs(pad_input, ABS_WHEEL, (data[8] & 0x7f));
 425                         if (!prox)
 426                                 wacom->id[1] = 0;
 427                         input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
 428                         retval = 1;
 429                 }
 430                 break;
 431         case GRAPHIRE_BT:
 432                 prox = data[7] & 0x03;
 433                 if (prox || wacom->id[1]) {
 434                         wacom->id[1] = PAD_DEVICE_ID;
 435                         input_report_key(pad_input, BTN_0, (data[7] & 0x02));
 436                         input_report_key(pad_input, BTN_1, (data[7] & 0x01));
 437                         if (!prox)
 438                                 wacom->id[1] = 0;
 439                         input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
 440                         retval = 1;
 441                 }
 442                 break;
 443         }
 444
 445         /* Store current battery capacity and power supply state */
 446         if (features->type == GRAPHIRE_BT) {
 447                 rw = (data[7] >> 2 & 0x07);
 448                 battery_capacity = batcap_gr[rw];
 449                 ps_connected = rw == 7;
 450                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
 451                                      battery_capacity, ps_connected, 1,
 452                                      ps_connected);
 453         }
 454 exit:
 455         return retval;
 456 }
 457
 458 static void wacom_intuos_schedule_prox_event(struct wacom_wac *wacom_wac)
 459 {
 460         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
 461         struct wacom_features *features = &wacom_wac->features;
 462         struct hid_report *r;
 463         struct hid_report_enum *re;
 464
 465         re = &(wacom->hdev->report_enum[HID_FEATURE_REPORT]);
 466         if (features->type == INTUOSHT2)
 467                 r = re->report_id_hash[WACOM_REPORT_INTUOSHT2_ID];
 468         else
 469                 r = re->report_id_hash[WACOM_REPORT_INTUOS_ID1];
 470         if (r) {
 471                 hid_hw_request(wacom->hdev, r, HID_REQ_GET_REPORT);
 472         }
 473 }
 474
 475 static int wacom_intuos_pad(struct wacom_wac *wacom)
 476 {
 477         struct wacom_features *features = &wacom->features;
 478         unsigned char *data = wacom->data;
 479         struct input_dev *input = wacom->pad_input;
 480         int i;
 481         int buttons = 0, nbuttons = features->numbered_buttons;
 482         int keys = 0, nkeys = 0;
 483         int ring1 = 0, ring2 = 0;
 484         int strip1 = 0, strip2 = 0;
 485         bool prox = false;
 486         bool wrench = false, keyboard = false, mute_touch = false, menu = false,
 487              info = false;
 488
 489         /* pad packets. Works as a second tool and is always in prox */
 490         if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
 491               data[0] == WACOM_REPORT_CINTIQPAD))
 492                 return 0;
 493
 494         if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
 495                 buttons = (data[3] << 1) | (data[2] & 0x01);
 496                 ring1 = data[1];
 497         } else if (features->type == DTK) {
 498                 buttons = data[6];
 499         } else if (features->type == WACOM_13HD) {
 500                 buttons = (data[4] << 1) | (data[3] & 0x01);
 501         } else if (features->type == WACOM_24HD) {
 502                 buttons = (data[8] << 8) | data[6];
 503                 ring1 = data[1];
 504                 ring2 = data[2];
 505
 506                 /*
 507                  * Three "buttons" are available on the 24HD which are
 508                  * physically implemented as a touchstrip. Each button
 509                  * is approximately 3 bits wide with a 2 bit spacing.
 510                  * The raw touchstrip bits are stored at:
 511                  *    ((data[3] & 0x1f) << 8) | data[4])
 512                  */
 513                 nkeys = 3;
 514                 keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
 515                        ((data[4] & 0xE0) ? 1<<1 : 0) |
 516                        ((data[4] & 0x07) ? 1<<0 : 0);
 517                 keyboard = !!(data[4] & 0xE0);
 518                 info = !!(data[3] & 0x1C);
 519
 520                 if (features->oPid) {
 521                         mute_touch = !!(data[4] & 0x07);
 522                         if (mute_touch)
 523                                 wacom->shared->is_touch_on =
 524                                         !wacom->shared->is_touch_on;
 525                 } else {
 526                         wrench = !!(data[4] & 0x07);
 527                 }
 528         } else if (features->type == WACOM_27QHD) {
 529                 nkeys = 3;
 530                 keys = data[2] & 0x07;
 531
 532                 wrench = !!(data[2] & 0x01);
 533                 keyboard = !!(data[2] & 0x02);
 534
 535                 if (features->oPid) {
 536                         mute_touch = !!(data[2] & 0x04);
 537                         if (mute_touch)
 538                                 wacom->shared->is_touch_on =
 539                                         !wacom->shared->is_touch_on;
 540                 } else {
 541                         menu = !!(data[2] & 0x04);
 542                 }
 543                 input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
 544                 input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
 545                 input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
 546         } else if (features->type == CINTIQ_HYBRID) {
 547                 /*
 548                  * Do not send hardware buttons under Android. They
 549                  * are already sent to the system through GPIO (and
 550                  * have different meaning).
 551                  *
 552                  * d-pad right  -> data[4] & 0x10
 553                  * d-pad up     -> data[4] & 0x20
 554                  * d-pad left   -> data[4] & 0x40
 555                  * d-pad down   -> data[4] & 0x80
 556                  * d-pad center -> data[3] & 0x01
 557                  */
 558                 buttons = (data[4] << 1) | (data[3] & 0x01);
 559         } else if (features->type == CINTIQ_COMPANION_2) {
 560                 /* d-pad right  -> data[2] & 0x10
 561                  * d-pad up     -> data[2] & 0x20
 562                  * d-pad left   -> data[2] & 0x40
 563                  * d-pad down   -> data[2] & 0x80
 564                  * d-pad center -> data[1] & 0x01
 565                  */
 566                 buttons = ((data[2] >> 4) << 7) |
 567                           ((data[1] & 0x04) << 4) |
 568                           ((data[2] & 0x0F) << 2) |
 569                           (data[1] & 0x03);
 570         } else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
 571                 /*
 572                  * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
 573                  * addition to the mechanical switch. Switch data is
 574                  * stored in data[4], capacitive data in data[5].
 575                  *
 576                  * Touch ring mode switch (data[3]) has no capacitive sensor
 577                  */
 578                 buttons = (data[4] << 1) | (data[3] & 0x01);
 579                 ring1 = data[2];
 580         } else {
 581                 if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
 582                         buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
 583                                   (data[6] << 1) | (data[5] & 0x01);
 584
 585                         if (features->type == WACOM_22HD) {
 586                                 nkeys = 3;
 587                                 keys = data[9] & 0x07;
 588
 589                                 info = !!(data[9] & 0x01);
 590                                 wrench = !!(data[9] & 0x02);
 591                         }
 592                 } else {
 593                         buttons = ((data[6] & 0x10) << 5)  |
 594                                   ((data[5] & 0x10) << 4)  |
 595                                   ((data[6] & 0x0F) << 4)  |
 596                                   (data[5] & 0x0F);
 597                 }
 598                 strip1 = ((data[1] & 0x1f) << 8) | data[2];
 599                 strip2 = ((data[3] & 0x1f) << 8) | data[4];
 600         }
 601
 602         prox = (buttons & ~(~0U << nbuttons)) | (keys & ~(~0U << nkeys)) |
 603                (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;
 604
 605         wacom_report_numbered_buttons(input, nbuttons, buttons);
 606
 607         for (i = 0; i < nkeys; i++)
 608                 input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
 609
 610         input_report_key(input, KEY_BUTTONCONFIG, wrench);
 611         input_report_key(input, KEY_ONSCREEN_KEYBOARD, keyboard);
 612         input_report_key(input, KEY_CONTROLPANEL, menu);
 613         input_report_key(input, KEY_INFO, info);
 614
 615         if (wacom->shared && wacom->shared->touch_input) {
 616                 input_report_switch(wacom->shared->touch_input,
 617                                     SW_MUTE_DEVICE,
 618                                     !wacom->shared->is_touch_on);
 619                 input_sync(wacom->shared->touch_input);
 620         }
 621
 622         input_report_abs(input, ABS_RX, strip1);
 623         input_report_abs(input, ABS_RY, strip2);
 624
 625         input_report_abs(input, ABS_WHEEL,    (ring1 & 0x80) ? (ring1 & 0x7f) : 0);
 626         input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0);
 627
 628         input_report_key(input, wacom->tool[1], prox ? 1 : 0);
 629         input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
 630
 631         input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
 632
 633         return 1;
 634 }
 635
 636 static int wacom_intuos_id_mangle(int tool_id)
 637 {
 638         return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF);
 639 }
 640
 641 static int wacom_intuos_get_tool_type(int tool_id)
 642 {
 643         int tool_type;
 644
 645         switch (tool_id) {
 646         case 0x812: /* Inking pen */
 647         case 0x801: /* Intuos3 Inking pen */
 648         case 0x12802: /* Intuos4/5 Inking Pen */
 649         case 0x012:
 650                 tool_type = BTN_TOOL_PENCIL;
 651                 break;
 652
 653         case 0x822: /* Pen */
 654         case 0x842:
 655         case 0x852:
 656         case 0x823: /* Intuos3 Grip Pen */
 657         case 0x813: /* Intuos3 Classic Pen */
 658         case 0x885: /* Intuos3 Marker Pen */
 659         case 0x802: /* Intuos4/5 13HD/24HD General Pen */
 660         case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */
 661         case 0x8e2: /* IntuosHT2 pen */
 662         case 0x022:
 663         case 0x10804: /* Intuos4/5 13HD/24HD Art Pen */
 664         case 0x10842: /* MobileStudio Pro Pro Pen slim */
 665         case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
 666         case 0x16802: /* Cintiq 13HD Pro Pen */
 667         case 0x18802: /* DTH2242 Pen */
 668         case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
 669                 tool_type = BTN_TOOL_PEN;
 670                 break;
 671
 672         case 0x832: /* Stroke pen */
 673         case 0x032:
 674                 tool_type = BTN_TOOL_BRUSH;
 675                 break;
 676
 677         case 0x007: /* Mouse 4D and 2D */
 678         case 0x09c:
 679         case 0x094:
 680         case 0x017: /* Intuos3 2D Mouse */
 681         case 0x806: /* Intuos4 Mouse */
 682                 tool_type = BTN_TOOL_MOUSE;
 683                 break;
 684
 685         case 0x096: /* Lens cursor */
 686         case 0x097: /* Intuos3 Lens cursor */
 687         case 0x006: /* Intuos4 Lens cursor */
 688                 tool_type = BTN_TOOL_LENS;
 689                 break;
 690
 691         case 0x82a: /* Eraser */
 692         case 0x84a:
 693         case 0x85a:
 694         case 0x91a:
 695         case 0xd1a:
 696         case 0x0fa:
 697         case 0x82b: /* Intuos3 Grip Pen Eraser */
 698         case 0x81b: /* Intuos3 Classic Pen Eraser */
 699         case 0x91b: /* Intuos3 Airbrush Eraser */
 700         case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
 701         case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
 702         case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
 703         case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
 704         case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
 705         case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
 706         case 0x1084a: /* MobileStudio Pro Pro Pen slim Eraser */
 707         case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
 708         case 0x1880a: /* DTH2242 Eraser */
 709         case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
 710                 tool_type = BTN_TOOL_RUBBER;
 711                 break;
 712
 713         case 0xd12:
 714         case 0x912:
 715         case 0x112:
 716         case 0x913: /* Intuos3 Airbrush */
 717         case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
 718         case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
 719                 tool_type = BTN_TOOL_AIRBRUSH;
 720                 break;
 721
 722         default: /* Unknown tool */
 723                 tool_type = BTN_TOOL_PEN;
 724                 break;
 725         }
 726         return tool_type;
 727 }
 728
 729 static void wacom_exit_report(struct wacom_wac *wacom)
 730 {
 731         struct input_dev *input = wacom->pen_input;
 732         struct wacom_features *features = &wacom->features;
 733         unsigned char *data = wacom->data;
 734         int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
 735
 736         /*
 737          * Reset all states otherwise we lose the initial states
 738          * when in-prox next time
 739          */
 740         input_report_abs(input, ABS_X, 0);
 741         input_report_abs(input, ABS_Y, 0);
 742         input_report_abs(input, ABS_DISTANCE, 0);
 743         input_report_abs(input, ABS_TILT_X, 0);
 744         input_report_abs(input, ABS_TILT_Y, 0);
 745         if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
 746                 input_report_key(input, BTN_LEFT, 0);
 747                 input_report_key(input, BTN_MIDDLE, 0);
 748                 input_report_key(input, BTN_RIGHT, 0);
 749                 input_report_key(input, BTN_SIDE, 0);
 750                 input_report_key(input, BTN_EXTRA, 0);
 751                 input_report_abs(input, ABS_THROTTLE, 0);
 752                 input_report_abs(input, ABS_RZ, 0);
 753         } else {
 754                 input_report_abs(input, ABS_PRESSURE, 0);
 755                 input_report_key(input, BTN_STYLUS, 0);
 756                 input_report_key(input, BTN_STYLUS2, 0);
 757                 input_report_key(input, BTN_TOUCH, 0);
 758                 input_report_abs(input, ABS_WHEEL, 0);
 759                 if (features->type >= INTUOS3S)
 760                         input_report_abs(input, ABS_Z, 0);
 761         }
 762         input_report_key(input, wacom->tool[idx], 0);
 763         input_report_abs(input, ABS_MISC, 0); /* reset tool id */
 764         input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 765         wacom->id[idx] = 0;
 766 }
 767
 768 static int wacom_intuos_inout(struct wacom_wac *wacom)
 769 {
 770         struct wacom_features *features = &wacom->features;
 771         unsigned char *data = wacom->data;
 772         struct input_dev *input = wacom->pen_input;
 773         int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
 774
 775         if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
 776             ((data[1] & 0xfe) == 0x20) ||    /* in range */
 777             ((data[1] & 0xfe) == 0x80)))     /* out prox */
 778                 return 0;
 779
 780         /* Enter report */
 781         if ((data[1] & 0xfc) == 0xc0) {
 782                 /* serial number of the tool */
 783                 wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
 784                         (data[4] << 20) + (data[5] << 12) +
 785                         (data[6] << 4) + (data[7] >> 4);
 786
 787                 wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
 788                      ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
 789
 790                 wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
 791
 792                 wacom->shared->stylus_in_proximity = true;
 793                 return 1;
 794         }
 795
 796         /* in Range */
 797         if ((data[1] & 0xfe) == 0x20) {
 798                 if (features->type != INTUOSHT2)
 799                         wacom->shared->stylus_in_proximity = true;
 800
 801                 /* in Range while exiting */
 802                 if (wacom->reporting_data) {
 803                         input_report_key(input, BTN_TOUCH, 0);
 804                         input_report_abs(input, ABS_PRESSURE, 0);
 805                         input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
 806                         return 2;
 807                 }
 808                 return 1;
 809         }
 810
 811         /* Exit report */
 812         if ((data[1] & 0xfe) == 0x80) {
 813                 wacom->shared->stylus_in_proximity = false;
 814                 wacom->reporting_data = false;
 815
 816                 /* don't report exit if we don't know the ID */
 817                 if (!wacom->id[idx])
 818                         return 1;
 819
 820                 wacom_exit_report(wacom);
 821                 return 2;
 822         }
 823
 824         return 0;
 825 }
 826
 827 static inline bool report_touch_events(struct wacom_wac *wacom)
 828 {
 829         return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
 830 }
 831
 832 static inline bool delay_pen_events(struct wacom_wac *wacom)
 833 {
 834         return (wacom->shared->touch_down && touch_arbitration);
 835 }
 836
 837 static int wacom_intuos_general(struct wacom_wac *wacom)
 838 {
 839         struct wacom_features *features = &wacom->features;
 840         unsigned char *data = wacom->data;
 841         struct input_dev *input = wacom->pen_input;
 842         int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
 843         unsigned char type = (data[1] >> 1) & 0x0F;
 844         unsigned int x, y, distance, t;
 845
 846         if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
 847                 data[0] != WACOM_REPORT_INTUOS_PEN)
 848                 return 0;
 849
 850         if (delay_pen_events(wacom))
 851                 return 1;
 852
 853         /* don't report events if we don't know the tool ID */
 854         if (!wacom->id[idx]) {
 855                 /* but reschedule a read of the current tool */
 856                 wacom_intuos_schedule_prox_event(wacom);
 857                 return 1;
 858         }
 859
 860         /*
 861          * don't report events for invalid data
 862          */
 863         /* older I4 styli don't work with new Cintiqs */
 864         if ((!((wacom->id[idx] >> 16) & 0x01) &&
 865                         (features->type == WACOM_21UX2)) ||
 866             /* Only large Intuos support Lense Cursor */
 867             (wacom->tool[idx] == BTN_TOOL_LENS &&
 868                 (features->type == INTUOS3 ||
 869                  features->type == INTUOS3S ||
 870                  features->type == INTUOS4 ||
 871                  features->type == INTUOS4S ||
 872                  features->type == INTUOS5 ||
 873                  features->type == INTUOS5S ||
 874                  features->type == INTUOSPM ||
 875                  features->type == INTUOSPS)) ||
 876            /* Cintiq doesn't send data when RDY bit isn't set */
 877            (features->type == CINTIQ && !(data[1] & 0x40)))
 878                 return 1;
 879
 880         x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
 881         y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
 882         distance = data[9] >> 2;
 883         if (features->type < INTUOS3S) {
 884                 x >>= 1;
 885                 y >>= 1;
 886                 distance >>= 1;
 887         }
 888         if (features->type == INTUOSHT2)
 889                 distance = features->distance_max - distance;
 890         input_report_abs(input, ABS_X, x);
 891         input_report_abs(input, ABS_Y, y);
 892         input_report_abs(input, ABS_DISTANCE, distance);
 893
 894         switch (type) {
 895         case 0x00:
 896         case 0x01:
 897         case 0x02:
 898         case 0x03:
 899                 /* general pen packet */
 900                 t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
 901                 if (features->pressure_max < 2047)
 902                         t >>= 1;
 903                 input_report_abs(input, ABS_PRESSURE, t);
 904                 if (features->type != INTUOSHT2) {
 905                     input_report_abs(input, ABS_TILT_X,
 906                                  (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
 907                     input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
 908                 }
 909                 input_report_key(input, BTN_STYLUS, data[1] & 2);
 910                 input_report_key(input, BTN_STYLUS2, data[1] & 4);
 911                 input_report_key(input, BTN_TOUCH, t > 10);
 912                 break;
 913
 914         case 0x0a:
 915                 /* airbrush second packet */
 916                 input_report_abs(input, ABS_WHEEL,
 917                                 (data[6] << 2) | ((data[7] >> 6) & 3));
 918                 input_report_abs(input, ABS_TILT_X,
 919                                  (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
 920                 input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
 921                 break;
 922
 923         case 0x05:
 924                 /* Rotation packet */
 925                 if (features->type >= INTUOS3S) {
 926                         /* I3 marker pen rotation */
 927                         t = (data[6] << 3) | ((data[7] >> 5) & 7);
 928                         t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
 929                                 ((t-1) / 2 + 450)) : (450 - t / 2) ;
 930                         input_report_abs(input, ABS_Z, t);
 931                 } else {
 932                         /* 4D mouse 2nd packet */
 933                         t = (data[6] << 3) | ((data[7] >> 5) & 7);
 934                         input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
 935                                 ((t - 1) / 2) : -t / 2);
 936                 }
 937                 break;
 938
 939         case 0x04:
 940                 /* 4D mouse 1st packet */
 941                 input_report_key(input, BTN_LEFT,   data[8] & 0x01);
 942                 input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
 943                 input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
 944
 945                 input_report_key(input, BTN_SIDE,   data[8] & 0x20);
 946                 input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
 947                 t = (data[6] << 2) | ((data[7] >> 6) & 3);
 948                 input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
 949                 break;
 950
 951         case 0x06:
 952                 /* I4 mouse */
 953                 input_report_key(input, BTN_LEFT,   data[6] & 0x01);
 954                 input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
 955                 input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
 956                 input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
 957                                  - ((data[7] & 0x40) >> 6));
 958                 input_report_key(input, BTN_SIDE,   data[6] & 0x08);
 959                 input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
 960
 961                 input_report_abs(input, ABS_TILT_X,
 962                         (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
 963                 input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
 964                 break;
 965
 966         case 0x08:
 967                 if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
 968                         /* 2D mouse packet */
 969                         input_report_key(input, BTN_LEFT,   data[8] & 0x04);
 970                         input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
 971                         input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
 972                         input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
 973                                          - ((data[8] & 0x02) >> 1));
 974
 975                         /* I3 2D mouse side buttons */
 976                         if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
 977                                 input_report_key(input, BTN_SIDE,   data[8] & 0x40);
 978                                 input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
 979                         }
 980                 }
 981                 else if (wacom->tool[idx] == BTN_TOOL_LENS) {
 982                         /* Lens cursor packets */
 983                         input_report_key(input, BTN_LEFT,   data[8] & 0x01);
 984                         input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
 985                         input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
 986                         input_report_key(input, BTN_SIDE,   data[8] & 0x10);
 987                         input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
 988                 }
 989                 break;
 990
 991         case 0x07:
 992         case 0x09:
 993         case 0x0b:
 994         case 0x0c:
 995         case 0x0d:
 996         case 0x0e:
 997         case 0x0f:
 998                 /* unhandled */
 999                 break;
1000         }
1001
1002         input_report_abs(input, ABS_MISC,
1003                          wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
1004         input_report_key(input, wacom->tool[idx], 1);
1005         input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
1006         wacom->reporting_data = true;
1007         return 2;
1008 }
1009
1010 static int wacom_intuos_irq(struct wacom_wac *wacom)
1011 {
1012         unsigned char *data = wacom->data;
1013         struct input_dev *input = wacom->pen_input;
1014         int result;
1015
1016         if (data[0] != WACOM_REPORT_PENABLED &&
1017             data[0] != WACOM_REPORT_INTUOS_ID1 &&
1018             data[0] != WACOM_REPORT_INTUOS_ID2 &&
1019             data[0] != WACOM_REPORT_INTUOSPAD &&
1020             data[0] != WACOM_REPORT_INTUOS_PEN &&
1021             data[0] != WACOM_REPORT_CINTIQ &&
1022             data[0] != WACOM_REPORT_CINTIQPAD &&
1023             data[0] != WACOM_REPORT_INTUOS5PAD) {
1024                 dev_dbg(input->dev.parent,
1025                         "%s: received unknown report #%d\n", __func__, data[0]);
1026                 return 0;
1027         }
1028
1029         /* process pad events */
1030         result = wacom_intuos_pad(wacom);
1031         if (result)
1032                 return result;
1033
1034         /* process in/out prox events */
1035         result = wacom_intuos_inout(wacom);
1036         if (result)
1037                 return result - 1;
1038
1039         /* process general packets */
1040         result = wacom_intuos_general(wacom);
1041         if (result)
1042                 return result - 1;
1043
1044         return 0;
1045 }
1046
1047 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
1048 {
1049         unsigned char *data = wacom_wac->data;
1050         struct input_dev *input;
1051         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1052         struct wacom_remote *remote = wacom->remote;
1053         int bat_charging, bat_percent, touch_ring_mode;
1054         __u32 serial;
1055         int i, index = -1;
1056         unsigned long flags;
1057
1058         if (data[0] != WACOM_REPORT_REMOTE) {
1059                 hid_dbg(wacom->hdev, "%s: received unknown report #%d",
1060                         __func__, data[0]);
1061                 return 0;
1062         }
1063
1064         serial = data[3] + (data[4] << 8) + (data[5] << 16);
1065         wacom_wac->id[0] = PAD_DEVICE_ID;
1066
1067         spin_lock_irqsave(&remote->remote_lock, flags);
1068
1069         for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1070                 if (remote->remotes[i].serial == serial) {
1071                         index = i;
1072                         break;
1073                 }
1074         }
1075
1076         if (index < 0 || !remote->remotes[index].registered)
1077                 goto out;
1078
1079         input = remote->remotes[index].input;
1080
1081         input_report_key(input, BTN_0, (data[9] & 0x01));
1082         input_report_key(input, BTN_1, (data[9] & 0x02));
1083         input_report_key(input, BTN_2, (data[9] & 0x04));
1084         input_report_key(input, BTN_3, (data[9] & 0x08));
1085         input_report_key(input, BTN_4, (data[9] & 0x10));
1086         input_report_key(input, BTN_5, (data[9] & 0x20));
1087         input_report_key(input, BTN_6, (data[9] & 0x40));
1088         input_report_key(input, BTN_7, (data[9] & 0x80));
1089
1090         input_report_key(input, BTN_8, (data[10] & 0x01));
1091         input_report_key(input, BTN_9, (data[10] & 0x02));
1092         input_report_key(input, BTN_A, (data[10] & 0x04));
1093         input_report_key(input, BTN_B, (data[10] & 0x08));
1094         input_report_key(input, BTN_C, (data[10] & 0x10));
1095         input_report_key(input, BTN_X, (data[10] & 0x20));
1096         input_report_key(input, BTN_Y, (data[10] & 0x40));
1097         input_report_key(input, BTN_Z, (data[10] & 0x80));
1098
1099         input_report_key(input, BTN_BASE, (data[11] & 0x01));
1100         input_report_key(input, BTN_BASE2, (data[11] & 0x02));
1101
1102         if (data[12] & 0x80)
1103                 input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
1104         else
1105                 input_report_abs(input, ABS_WHEEL, 0);
1106
1107         bat_percent = data[7] & 0x7f;
1108         bat_charging = !!(data[7] & 0x80);
1109
1110         if (data[9] | data[10] | (data[11] & 0x03) | data[12])
1111                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
1112         else
1113                 input_report_abs(input, ABS_MISC, 0);
1114
1115         input_event(input, EV_MSC, MSC_SERIAL, serial);
1116
1117         input_sync(input);
1118
1119         /*Which mode select (LED light) is currently on?*/
1120         touch_ring_mode = (data[11] & 0xC0) >> 6;
1121
1122         for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1123                 if (remote->remotes[i].serial == serial)
1124                         wacom->led.groups[i].select = touch_ring_mode;
1125         }
1126
1127         __wacom_notify_battery(&remote->remotes[index].battery,
1128                                 WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
1129                                 bat_charging, 1, bat_charging);
1130
1131 out:
1132         spin_unlock_irqrestore(&remote->remote_lock, flags);
1133         return 0;
1134 }
1135
1136 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
1137 {
1138         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1139         unsigned char *data = wacom_wac->data;
1140         struct wacom_remote *remote = wacom->remote;
1141         struct wacom_remote_data remote_data;
1142         unsigned long flags;
1143         int i, ret;
1144
1145         if (data[0] != WACOM_REPORT_DEVICE_LIST)
1146                 return;
1147
1148         memset(&remote_data, 0, sizeof(struct wacom_remote_data));
1149
1150         for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1151                 int j = i * 6;
1152                 int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
1153                 bool connected = data[j+2];
1154
1155                 remote_data.remote[i].serial = serial;
1156                 remote_data.remote[i].connected = connected;
1157         }
1158
1159         spin_lock_irqsave(&remote->remote_lock, flags);
1160
1161         ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
1162         if (ret != sizeof(remote_data)) {
1163                 spin_unlock_irqrestore(&remote->remote_lock, flags);
1164                 hid_err(wacom->hdev, "Can't queue Remote status event.\n");
1165                 return;
1166         }
1167
1168         spin_unlock_irqrestore(&remote->remote_lock, flags);
1169
1170         wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
1171 }
1172
1173 static int int_dist(int x1, int y1, int x2, int y2)
1174 {
1175         int x = x2 - x1;
1176         int y = y2 - y1;
1177
1178         return int_sqrt(x*x + y*y);
1179 }
1180
1181 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1182                 unsigned char *data)
1183 {
1184         memcpy(wacom->data, data, 10);
1185         wacom_intuos_irq(wacom);
1186
1187         input_sync(wacom->pen_input);
1188         if (wacom->pad_input)
1189                 input_sync(wacom->pad_input);
1190 }
1191
1192 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1193 {
1194         unsigned char data[WACOM_PKGLEN_MAX];
1195         int i = 1;
1196         unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1197
1198         memcpy(data, wacom->data, len);
1199
1200         switch (data[0]) {
1201         case 0x04:
1202                 wacom_intuos_bt_process_data(wacom, data + i);
1203                 i += 10;
1204                 /* fall through */
1205         case 0x03:
1206                 wacom_intuos_bt_process_data(wacom, data + i);
1207                 i += 10;
1208                 wacom_intuos_bt_process_data(wacom, data + i);
1209                 i += 10;
1210                 power_raw = data[i];
1211                 bat_charging = (power_raw & 0x08) ? 1 : 0;
1212                 ps_connected = (power_raw & 0x10) ? 1 : 0;
1213                 battery_capacity = batcap_i4[power_raw & 0x07];
1214                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1215                                      battery_capacity, bat_charging,
1216                                      battery_capacity || bat_charging,
1217                                      ps_connected);
1218                 break;
1219         default:
1220                 dev_dbg(wacom->pen_input->dev.parent,
1221                                 "Unknown report: %d,%d size:%zu\n",
1222                                 data[0], data[1], len);
1223                 return 0;
1224         }
1225         return 0;
1226 }
1227
1228 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1229 {
1230         struct input_dev *input = wacom->touch_input;
1231         unsigned touch_max = wacom->features.touch_max;
1232         int count = 0;
1233         int i;
1234
1235         if (!touch_max)
1236                 return 0;
1237
1238         if (touch_max == 1)
1239                 return test_bit(BTN_TOUCH, input->key) &&
1240                         report_touch_events(wacom);
1241
1242         for (i = 0; i < input->mt->num_slots; i++) {
1243                 struct input_mt_slot *ps = &input->mt->slots[i];
1244                 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1245                 if (id >= 0)
1246                         count++;
1247         }
1248
1249         return count;
1250 }
1251
1252 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1253 {
1254         int pen_frame_len, pen_frames;
1255
1256         struct input_dev *pen_input = wacom->pen_input;
1257         unsigned char *data = wacom->data;
1258         int i;
1259
1260         if (wacom->features.type == INTUOSP2_BT ||
1261             wacom->features.type == INTUOSP2S_BT) {
1262                 wacom->serial[0] = get_unaligned_le64(&data[99]);
1263                 wacom->id[0]     = get_unaligned_le16(&data[107]);
1264                 pen_frame_len = 14;
1265                 pen_frames = 7;
1266         } else {
1267                 wacom->serial[0] = get_unaligned_le64(&data[33]);
1268                 wacom->id[0]     = get_unaligned_le16(&data[41]);
1269                 pen_frame_len = 8;
1270                 pen_frames = 4;
1271         }
1272
1273         if (wacom->serial[0] >> 52 == 1) {
1274                 /* Add back in missing bits of ID for non-USI pens */
1275                 wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1276         }
1277
1278         for (i = 0; i < pen_frames; i++) {
1279                 unsigned char *frame = &data[i*pen_frame_len + 1];
1280                 bool valid = frame[0] & 0x80;
1281                 bool prox = frame[0] & 0x40;
1282                 bool range = frame[0] & 0x20;
1283                 bool invert = frame[0] & 0x10;
1284
1285                 if (!valid)
1286                         continue;
1287
1288                 if (!prox) {
1289                         wacom->shared->stylus_in_proximity = false;
1290                         wacom_exit_report(wacom);
1291                         input_sync(pen_input);
1292
1293                         wacom->tool[0] = 0;
1294                         wacom->id[0] = 0;
1295                         wacom->serial[0] = 0;
1296                         return;
1297                 }
1298
1299                 if (range) {
1300                         if (!wacom->tool[0]) { /* first in range */
1301                                 /* Going into range select tool */
1302                                 if (invert)
1303                                         wacom->tool[0] = BTN_TOOL_RUBBER;
1304                                 else if (wacom->id[0])
1305                                         wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]);
1306                                 else
1307                                         wacom->tool[0] = BTN_TOOL_PEN;
1308                         }
1309
1310                         input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1311                         input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1312
1313                         if (wacom->features.type == INTUOSP2_BT ||
1314                             wacom->features.type == INTUOSP2S_BT) {
1315                                 /* Fix rotation alignment: userspace expects zero at left */
1316                                 int16_t rotation =
1317                                         (int16_t)get_unaligned_le16(&frame[9]);
1318                                 rotation += 1800/4;
1319
1320                                 if (rotation > 899)
1321                                         rotation -= 1800;
1322
1323                                 input_report_abs(pen_input, ABS_TILT_X,
1324                                                  (char)frame[7]);
1325                                 input_report_abs(pen_input, ABS_TILT_Y,
1326                                                  (char)frame[8]);
1327                                 input_report_abs(pen_input, ABS_Z, rotation);
1328                                 input_report_abs(pen_input, ABS_WHEEL,
1329                                                  get_unaligned_le16(&frame[11]));
1330                         }
1331                 }
1332                 if (wacom->tool[0]) {
1333                         input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1334                         if (wacom->features.type == INTUOSP2_BT ||
1335                             wacom->features.type == INTUOSP2S_BT) {
1336                                 input_report_abs(pen_input, ABS_DISTANCE,
1337                                                  range ? frame[13] : wacom->features.distance_max);
1338                         } else {
1339                                 input_report_abs(pen_input, ABS_DISTANCE,
1340                                                  range ? frame[7] : wacom->features.distance_max);
1341                         }
1342
1343                         input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09);
1344                         input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1345                         input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1346
1347                         input_report_key(pen_input, wacom->tool[0], prox);
1348                         input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1349                         input_report_abs(pen_input, ABS_MISC,
1350                                          wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1351                 }
1352
1353                 wacom->shared->stylus_in_proximity = prox;
1354
1355                 input_sync(pen_input);
1356         }
1357 }
1358
1359 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1360 {
1361         const int finger_touch_len = 8;
1362         const int finger_frames = 4;
1363         const int finger_frame_len = 43;
1364
1365         struct input_dev *touch_input = wacom->touch_input;
1366         unsigned char *data = wacom->data;
1367         int num_contacts_left = 5;
1368         int i, j;
1369
1370         for (i = 0; i < finger_frames; i++) {
1371                 unsigned char *frame = &data[i*finger_frame_len + 109];
1372                 int current_num_contacts = frame[0] & 0x7F;
1373                 int contacts_to_send;
1374
1375                 if (!(frame[0] & 0x80))
1376                         continue;
1377
1378                 /*
1379                  * First packet resets the counter since only the first
1380                  * packet in series will have non-zero current_num_contacts.
1381                  */
1382                 if (current_num_contacts)
1383                         wacom->num_contacts_left = current_num_contacts;
1384
1385                 contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1386
1387                 for (j = 0; j < contacts_to_send; j++) {
1388                         unsigned char *touch = &frame[j*finger_touch_len + 1];
1389                         int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1390                         int x = get_unaligned_le16(&touch[2]);
1391                         int y = get_unaligned_le16(&touch[4]);
1392                         int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1393                         int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1394
1395                         if (slot < 0)
1396                                 continue;
1397
1398                         input_mt_slot(touch_input, slot);
1399                         input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1400                         input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1401                         input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1402                         input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1403                         input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1404                         input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1405                 }
1406
1407                 input_mt_sync_frame(touch_input);
1408
1409                 wacom->num_contacts_left -= contacts_to_send;
1410                 if (wacom->num_contacts_left <= 0) {
1411                         wacom->num_contacts_left = 0;
1412                         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1413                         input_sync(touch_input);
1414                 }
1415         }
1416
1417         if (wacom->num_contacts_left == 0) {
1418                 // Be careful that we don't accidentally call input_sync with
1419                 // only a partial set of fingers of processed
1420                 input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1421                 input_sync(touch_input);
1422         }
1423
1424 }
1425
1426 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1427 {
1428         struct input_dev *pad_input = wacom->pad_input;
1429         unsigned char *data = wacom->data;
1430
1431         int buttons = data[282] | ((data[281] & 0x40) << 2);
1432         int ring = data[285] & 0x7F;
1433         bool ringstatus = data[285] & 0x80;
1434         bool prox = buttons || ringstatus;
1435
1436         /* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1437         ring = 71 - ring;
1438         ring += 3*72/16;
1439         if (ring > 71)
1440                 ring -= 72;
1441
1442         wacom_report_numbered_buttons(pad_input, 9, buttons);
1443
1444         input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1445
1446         input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1447         input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1448         input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1449
1450         input_sync(pad_input);
1451 }
1452
1453 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1454 {
1455         unsigned char *data = wacom->data;
1456
1457         bool chg = data[284] & 0x80;
1458         int battery_status = data[284] & 0x7F;
1459
1460         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1461                              battery_status, chg, 1, chg);
1462 }
1463
1464 static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
1465 {
1466         struct input_dev *pad_input = wacom->pad_input;
1467         unsigned char *data = wacom->data;
1468
1469         int buttons = data[44];
1470
1471         wacom_report_numbered_buttons(pad_input, 4, buttons);
1472
1473         input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
1474         input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
1475         input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1476
1477         input_sync(pad_input);
1478 }
1479
1480 static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
1481 {
1482         unsigned char *data = wacom->data;
1483
1484         bool chg = data[45] & 0x80;
1485         int battery_status = data[45] & 0x7F;
1486
1487         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1488                              battery_status, chg, 1, chg);
1489 }
1490
1491 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1492 {
1493         unsigned char *data = wacom->data;
1494
1495         if (data[0] != 0x80 && data[0] != 0x81) {
1496                 dev_dbg(wacom->pen_input->dev.parent,
1497                         "%s: received unknown report #%d\n", __func__, data[0]);
1498                 return 0;
1499         }
1500
1501         wacom_intuos_pro2_bt_pen(wacom);
1502         if (wacom->features.type == INTUOSP2_BT ||
1503             wacom->features.type == INTUOSP2S_BT) {
1504                 wacom_intuos_pro2_bt_touch(wacom);
1505                 wacom_intuos_pro2_bt_pad(wacom);
1506                 wacom_intuos_pro2_bt_battery(wacom);
1507         } else {
1508                 wacom_intuos_gen3_bt_pad(wacom);
1509                 wacom_intuos_gen3_bt_battery(wacom);
1510         }
1511         return 0;
1512 }
1513
1514 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1515 {
1516         struct input_dev *input = wacom->touch_input;
1517         unsigned char *data = wacom->data;
1518         int i;
1519         int current_num_contacts = data[61];
1520         int contacts_to_send = 0;
1521         int num_contacts_left = 4; /* maximum contacts per packet */
1522         int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1523         int y_offset = 2;
1524
1525         if (wacom->shared->has_mute_touch_switch &&
1526             !wacom->shared->is_touch_on) {
1527                 if (!wacom->shared->touch_down)
1528                         return 0;
1529         }
1530
1531         if (wacom->features.type == WACOM_27QHDT) {
1532                 current_num_contacts = data[63];
1533                 num_contacts_left = 10;
1534                 byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1535                 y_offset = 0;
1536         }
1537
1538         /*
1539          * First packet resets the counter since only the first
1540          * packet in series will have non-zero current_num_contacts.
1541          */
1542         if (current_num_contacts)
1543                 wacom->num_contacts_left = current_num_contacts;
1544
1545         contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1546
1547         for (i = 0; i < contacts_to_send; i++) {
1548                 int offset = (byte_per_packet * i) + 1;
1549                 bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1550                 int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1551
1552                 if (slot < 0)
1553                         continue;
1554                 input_mt_slot(input, slot);
1555                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1556
1557                 if (touch) {
1558                         int t_x = get_unaligned_le16(&data[offset + 2]);
1559                         int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1560
1561                         input_report_abs(input, ABS_MT_POSITION_X, t_x);
1562                         input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1563
1564                         if (wacom->features.type != WACOM_27QHDT) {
1565                                 int c_x = get_unaligned_le16(&data[offset + 4]);
1566                                 int c_y = get_unaligned_le16(&data[offset + 8]);
1567                                 int w = get_unaligned_le16(&data[offset + 10]);
1568                                 int h = get_unaligned_le16(&data[offset + 12]);
1569
1570                                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1571                                 input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1572                                                  min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1573                                 input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1574                                 input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1575                         }
1576                 }
1577         }
1578         input_mt_sync_frame(input);
1579
1580         wacom->num_contacts_left -= contacts_to_send;
1581         if (wacom->num_contacts_left <= 0) {
1582                 wacom->num_contacts_left = 0;
1583                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1584         }
1585         return 1;
1586 }
1587
1588 static int wacom_mt_touch(struct wacom_wac *wacom)
1589 {
1590         struct input_dev *input = wacom->touch_input;
1591         unsigned char *data = wacom->data;
1592         int i;
1593         int current_num_contacts = data[2];
1594         int contacts_to_send = 0;
1595         int x_offset = 0;
1596
1597         /* MTTPC does not support Height and Width */
1598         if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1599                 x_offset = -4;
1600
1601         /*
1602          * First packet resets the counter since only the first
1603          * packet in series will have non-zero current_num_contacts.
1604          */
1605         if (current_num_contacts)
1606                 wacom->num_contacts_left = current_num_contacts;
1607
1608         /* There are at most 5 contacts per packet */
1609         contacts_to_send = min(5, wacom->num_contacts_left);
1610
1611         for (i = 0; i < contacts_to_send; i++) {
1612                 int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1613                 bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1614                 int id = get_unaligned_le16(&data[offset + 1]);
1615                 int slot = input_mt_get_slot_by_key(input, id);
1616
1617                 if (slot < 0)
1618                         continue;
1619
1620                 input_mt_slot(input, slot);
1621                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1622                 if (touch) {
1623                         int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1624                         int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1625                         input_report_abs(input, ABS_MT_POSITION_X, x);
1626                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1627                 }
1628         }
1629         input_mt_sync_frame(input);
1630
1631         wacom->num_contacts_left -= contacts_to_send;
1632         if (wacom->num_contacts_left <= 0) {
1633                 wacom->num_contacts_left = 0;
1634                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1635         }
1636         return 1;
1637 }
1638
1639 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1640 {
1641         struct input_dev *input = wacom->touch_input;
1642         unsigned char *data = wacom->data;
1643         int i;
1644
1645         for (i = 0; i < 2; i++) {
1646                 int p = data[1] & (1 << i);
1647                 bool touch = p && report_touch_events(wacom);
1648
1649                 input_mt_slot(input, i);
1650                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1651                 if (touch) {
1652                         int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1653                         int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1654
1655                         input_report_abs(input, ABS_MT_POSITION_X, x);
1656                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1657                 }
1658         }
1659         input_mt_sync_frame(input);
1660
1661         /* keep touch state for pen event */
1662         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1663
1664         return 1;
1665 }
1666
1667 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1668 {
1669         unsigned char *data = wacom->data;
1670         struct input_dev *input = wacom->touch_input;
1671         bool prox = report_touch_events(wacom);
1672         int x = 0, y = 0;
1673
1674         if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1675                 return 0;
1676
1677         if (len == WACOM_PKGLEN_TPC1FG) {
1678                 prox = prox && (data[0] & 0x01);
1679                 x = get_unaligned_le16(&data[1]);
1680                 y = get_unaligned_le16(&data[3]);
1681         } else if (len == WACOM_PKGLEN_TPC1FG_B) {
1682                 prox = prox && (data[2] & 0x01);
1683                 x = get_unaligned_le16(&data[3]);
1684                 y = get_unaligned_le16(&data[5]);
1685         } else {
1686                 prox = prox && (data[1] & 0x01);
1687                 x = le16_to_cpup((__le16 *)&data[2]);
1688                 y = le16_to_cpup((__le16 *)&data[4]);
1689         }
1690
1691         if (prox) {
1692                 input_report_abs(input, ABS_X, x);
1693                 input_report_abs(input, ABS_Y, y);
1694         }
1695         input_report_key(input, BTN_TOUCH, prox);
1696
1697         /* keep touch state for pen events */
1698         wacom->shared->touch_down = prox;
1699
1700         return 1;
1701 }
1702
1703 static int wacom_tpc_pen(struct wacom_wac *wacom)
1704 {
1705         unsigned char *data = wacom->data;
1706         struct input_dev *input = wacom->pen_input;
1707         bool prox = data[1] & 0x20;
1708
1709         if (!wacom->shared->stylus_in_proximity) /* first in prox */
1710                 /* Going into proximity select tool */
1711                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1712
1713         /* keep pen state for touch events */
1714         wacom->shared->stylus_in_proximity = prox;
1715
1716         /* send pen events only when touch is up or forced out
1717          * or touch arbitration is off
1718          */
1719         if (!delay_pen_events(wacom)) {
1720                 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1721                 input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1722                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1723                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1724                 input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1725                 input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1726                 input_report_key(input, wacom->tool[0], prox);
1727                 return 1;
1728         }
1729
1730         return 0;
1731 }
1732
1733 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1734 {
1735         unsigned char *data = wacom->data;
1736
1737         if (wacom->pen_input) {
1738                 dev_dbg(wacom->pen_input->dev.parent,
1739                         "%s: received report #%d\n", __func__, data[0]);
1740
1741                 if (len == WACOM_PKGLEN_PENABLED ||
1742                     data[0] == WACOM_REPORT_PENABLED)
1743                         return wacom_tpc_pen(wacom);
1744         }
1745         else if (wacom->touch_input) {
1746                 dev_dbg(wacom->touch_input->dev.parent,
1747                         "%s: received report #%d\n", __func__, data[0]);
1748
1749                 switch (len) {
1750                 case WACOM_PKGLEN_TPC1FG:
1751                         return wacom_tpc_single_touch(wacom, len);
1752
1753                 case WACOM_PKGLEN_TPC2FG:
1754                         return wacom_tpc_mt_touch(wacom);
1755
1756                 default:
1757                         switch (data[0]) {
1758                         case WACOM_REPORT_TPC1FG:
1759                         case WACOM_REPORT_TPCHID:
1760                         case WACOM_REPORT_TPCST:
1761                         case WACOM_REPORT_TPC1FGE:
1762                                 return wacom_tpc_single_touch(wacom, len);
1763
1764                         case WACOM_REPORT_TPCMT:
1765                         case WACOM_REPORT_TPCMT2:
1766                                 return wacom_mt_touch(wacom);
1767
1768                         }
1769                 }
1770         }
1771
1772         return 0;
1773 }
1774
1775 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1776                                  int value, int num, int denom)
1777 {
1778         struct input_absinfo *abs = &input->absinfo[usage->code];
1779         int range = (abs->maximum - abs->minimum + 1);
1780
1781         value += num*range/denom;
1782         if (value > abs->maximum)
1783                 value -= range;
1784         else if (value < abs->minimum)
1785                 value += range;
1786         return value;
1787 }
1788
1789 int wacom_equivalent_usage(int usage)
1790 {
1791         if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1792                 int subpage = (usage & 0xFF00) << 8;
1793                 int subusage = (usage & 0xFF);
1794
1795                 if (subpage == WACOM_HID_SP_PAD ||
1796                     subpage == WACOM_HID_SP_BUTTON ||
1797                     subpage == WACOM_HID_SP_DIGITIZER ||
1798                     subpage == WACOM_HID_SP_DIGITIZERINFO ||
1799                     usage == WACOM_HID_WD_SENSE ||
1800                     usage == WACOM_HID_WD_SERIALHI ||
1801                     usage == WACOM_HID_WD_TOOLTYPE ||
1802                     usage == WACOM_HID_WD_DISTANCE ||
1803                     usage == WACOM_HID_WD_TOUCHSTRIP ||
1804                     usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1805                     usage == WACOM_HID_WD_TOUCHRING ||
1806                     usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
1807                     usage == WACOM_HID_WD_REPORT_VALID) {
1808                         return usage;
1809                 }
1810
1811                 if (subpage == HID_UP_UNDEFINED)
1812                         subpage = HID_UP_DIGITIZER;
1813
1814                 return subpage | subusage;
1815         }
1816
1817         if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1818                 int subpage = (usage & 0xFF00) << 8;
1819                 int subusage = (usage & 0xFF);
1820
1821                 if (usage == WACOM_HID_WT_REPORT_VALID)
1822                         return usage;
1823
1824                 if (subpage == HID_UP_UNDEFINED)
1825                         subpage = WACOM_HID_SP_DIGITIZER;
1826
1827                 return subpage | subusage;
1828         }
1829
1830         return usage;
1831 }
1832
1833 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1834                 struct hid_field *field, __u8 type, __u16 code, int fuzz)
1835 {
1836         struct wacom *wacom = input_get_drvdata(input);
1837         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1838         struct wacom_features *features = &wacom_wac->features;
1839         int fmin = field->logical_minimum;
1840         int fmax = field->logical_maximum;
1841         unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1842         int resolution_code = code;
1843
1844         if (equivalent_usage == HID_DG_TWIST) {
1845                 resolution_code = ABS_RZ;
1846         }
1847
1848         if (equivalent_usage == HID_GD_X) {
1849                 fmin += features->offset_left;
1850                 fmax -= features->offset_right;
1851         }
1852         if (equivalent_usage == HID_GD_Y) {
1853                 fmin += features->offset_top;
1854                 fmax -= features->offset_bottom;
1855         }
1856
1857         usage->type = type;
1858         usage->code = code;
1859
1860         set_bit(type, input->evbit);
1861
1862         switch (type) {
1863         case EV_ABS:
1864                 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1865                 input_abs_set_res(input, code,
1866                                   hidinput_calc_abs_res(field, resolution_code));
1867                 break;
1868         case EV_KEY:
1869                 input_set_capability(input, EV_KEY, code);
1870                 break;
1871         case EV_MSC:
1872                 input_set_capability(input, EV_MSC, code);
1873                 break;
1874         case EV_SW:
1875                 input_set_capability(input, EV_SW, code);
1876                 break;
1877         }
1878 }
1879
1880 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1881                 struct hid_field *field, struct hid_usage *usage)
1882 {
1883         struct wacom *wacom = hid_get_drvdata(hdev);
1884         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1885         struct wacom_features *features = &wacom_wac->features;
1886         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1887
1888         switch (equivalent_usage) {
1889         case HID_DG_BATTERYSTRENGTH:
1890         case WACOM_HID_WD_BATTERY_LEVEL:
1891         case WACOM_HID_WD_BATTERY_CHARGING:
1892                 features->quirks |= WACOM_QUIRK_BATTERY;
1893                 break;
1894         }
1895 }
1896
1897 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1898                 struct hid_usage *usage, __s32 value)
1899 {
1900         struct wacom *wacom = hid_get_drvdata(hdev);
1901         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1902         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1903
1904         switch (equivalent_usage) {
1905         case HID_DG_BATTERYSTRENGTH:
1906                 if (value == 0) {
1907                         wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1908                 }
1909                 else {
1910                         value = value * 100 / (field->logical_maximum - field->logical_minimum);
1911                         wacom_wac->hid_data.battery_capacity = value;
1912                         wacom_wac->hid_data.bat_connected = 1;
1913                         wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1914                 }
1915                 break;
1916         case WACOM_HID_WD_BATTERY_LEVEL:
1917                 value = value * 100 / (field->logical_maximum - field->logical_minimum);
1918                 wacom_wac->hid_data.battery_capacity = value;
1919                 wacom_wac->hid_data.bat_connected = 1;
1920                 wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1921                 break;
1922         case WACOM_HID_WD_BATTERY_CHARGING:
1923                 wacom_wac->hid_data.bat_charging = value;
1924                 wacom_wac->hid_data.ps_connected = value;
1925                 wacom_wac->hid_data.bat_connected = 1;
1926                 wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1927                 break;
1928         }
1929 }
1930
1931 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
1932                 struct hid_report *report)
1933 {
1934         return;
1935 }
1936
1937 static void wacom_wac_battery_report(struct hid_device *hdev,
1938                 struct hid_report *report)
1939 {
1940         struct wacom *wacom = hid_get_drvdata(hdev);
1941         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1942         struct wacom_features *features = &wacom_wac->features;
1943
1944         if (features->quirks & WACOM_QUIRK_BATTERY) {
1945                 int status = wacom_wac->hid_data.bat_status;
1946                 int capacity = wacom_wac->hid_data.battery_capacity;
1947                 bool charging = wacom_wac->hid_data.bat_charging;
1948                 bool connected = wacom_wac->hid_data.bat_connected;
1949                 bool powered = wacom_wac->hid_data.ps_connected;
1950
1951                 wacom_notify_battery(wacom_wac, status, capacity, charging,
1952                                      connected, powered);
1953         }
1954 }
1955
1956 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1957                 struct hid_field *field, struct hid_usage *usage)
1958 {
1959         struct wacom *wacom = hid_get_drvdata(hdev);
1960         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1961         struct wacom_features *features = &wacom_wac->features;
1962         struct input_dev *input = wacom_wac->pad_input;
1963         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1964
1965         switch (equivalent_usage) {
1966         case WACOM_HID_WD_ACCELEROMETER_X:
1967                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1968                 wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1969                 features->device_type |= WACOM_DEVICETYPE_PAD;
1970                 break;
1971         case WACOM_HID_WD_ACCELEROMETER_Y:
1972                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1973                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1974                 features->device_type |= WACOM_DEVICETYPE_PAD;
1975                 break;
1976         case WACOM_HID_WD_ACCELEROMETER_Z:
1977                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1978                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1979                 features->device_type |= WACOM_DEVICETYPE_PAD;
1980                 break;
1981         case WACOM_HID_WD_BUTTONCENTER:
1982         case WACOM_HID_WD_BUTTONHOME:
1983         case WACOM_HID_WD_BUTTONUP:
1984         case WACOM_HID_WD_BUTTONDOWN:
1985         case WACOM_HID_WD_BUTTONLEFT:
1986         case WACOM_HID_WD_BUTTONRIGHT:
1987                 wacom_map_usage(input, usage, field, EV_KEY,
1988                                 wacom_numbered_button_to_key(features->numbered_buttons),
1989                                 0);
1990                 features->numbered_buttons++;
1991                 features->device_type |= WACOM_DEVICETYPE_PAD;
1992                 break;
1993         case WACOM_HID_WD_TOUCHONOFF:
1994         case WACOM_HID_WD_MUTE_DEVICE:
1995                 /*
1996                  * This usage, which is used to mute touch events, comes
1997                  * from the pad packet, but is reported on the touch
1998                  * interface. Because the touch interface may not have
1999                  * been created yet, we cannot call wacom_map_usage(). In
2000                  * order to process this usage when we receive it, we set
2001                  * the usage type and code directly.
2002                  */
2003                 wacom_wac->has_mute_touch_switch = true;
2004                 usage->type = EV_SW;
2005                 usage->code = SW_MUTE_DEVICE;
2006                 features->device_type |= WACOM_DEVICETYPE_PAD;
2007                 break;
2008         case WACOM_HID_WD_TOUCHSTRIP:
2009                 wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
2010                 features->device_type |= WACOM_DEVICETYPE_PAD;
2011                 break;
2012         case WACOM_HID_WD_TOUCHSTRIP2:
2013                 wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
2014                 features->device_type |= WACOM_DEVICETYPE_PAD;
2015                 break;
2016         case WACOM_HID_WD_TOUCHRING:
2017                 wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2018                 features->device_type |= WACOM_DEVICETYPE_PAD;
2019                 break;
2020         case WACOM_HID_WD_TOUCHRINGSTATUS:
2021                 /*
2022                  * Only set up type/code association. Completely mapping
2023                  * this usage may overwrite the axis resolution and range.
2024                  */
2025                 usage->type = EV_ABS;
2026                 usage->code = ABS_WHEEL;
2027                 set_bit(EV_ABS, input->evbit);
2028                 features->device_type |= WACOM_DEVICETYPE_PAD;
2029                 break;
2030         case WACOM_HID_WD_BUTTONCONFIG:
2031                 wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
2032                 features->device_type |= WACOM_DEVICETYPE_PAD;
2033                 break;
2034         case WACOM_HID_WD_ONSCREEN_KEYBOARD:
2035                 wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
2036                 features->device_type |= WACOM_DEVICETYPE_PAD;
2037                 break;
2038         case WACOM_HID_WD_CONTROLPANEL:
2039                 wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
2040                 features->device_type |= WACOM_DEVICETYPE_PAD;
2041                 break;
2042         case WACOM_HID_WD_MODE_CHANGE:
2043                 /* do not overwrite previous data */
2044                 if (!wacom_wac->has_mode_change) {
2045                         wacom_wac->has_mode_change = true;
2046                         wacom_wac->is_direct_mode = true;
2047                 }
2048                 features->device_type |= WACOM_DEVICETYPE_PAD;
2049                 break;
2050         }
2051
2052         switch (equivalent_usage & 0xfffffff0) {
2053         case WACOM_HID_WD_EXPRESSKEY00:
2054                 wacom_map_usage(input, usage, field, EV_KEY,
2055                                 wacom_numbered_button_to_key(features->numbered_buttons),
2056                                 0);
2057                 features->numbered_buttons++;
2058                 features->device_type |= WACOM_DEVICETYPE_PAD;
2059                 break;
2060         }
2061 }
2062
2063 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
2064                 struct hid_usage *usage, __s32 value)
2065 {
2066         struct wacom *wacom = hid_get_drvdata(hdev);
2067         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2068         struct input_dev *input = wacom_wac->pad_input;
2069         struct wacom_features *features = &wacom_wac->features;
2070         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2071         int i;
2072         bool do_report = false;
2073
2074         /*
2075          * Avoid reporting this event and setting inrange_state if this usage
2076          * hasn't been mapped.
2077          */
2078         if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2079                 return;
2080
2081         if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2082                 if (usage->hid != WACOM_HID_WD_TOUCHRING)
2083                         wacom_wac->hid_data.inrange_state |= value;
2084         }
2085
2086         switch (equivalent_usage) {
2087         case WACOM_HID_WD_TOUCHRING:
2088                 /*
2089                  * Userspace expects touchrings to increase in value with
2090                  * clockwise gestures and have their zero point at the
2091                  * tablet's left. HID events "should" be clockwise-
2092                  * increasing and zero at top, though the MobileStudio
2093                  * Pro and 2nd-gen Intuos Pro don't do this...
2094                  */
2095                 if (hdev->vendor == 0x56a &&
2096                     (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2097                      hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
2098                      hdev->product == 0x392 ||                            /* Intuos Pro 2 */
2099                      hdev->product == 0x398 || hdev->product == 0x399)) { /* MobileStudio Pro */
2100                         value = (field->logical_maximum - value);
2101
2102                         if (hdev->product == 0x357 || hdev->product == 0x358 ||
2103                             hdev->product == 0x392)
2104                                 value = wacom_offset_rotation(input, usage, value, 3, 16);
2105                         else if (hdev->product == 0x34d || hdev->product == 0x34e ||
2106                                  hdev->product == 0x398 || hdev->product == 0x399)
2107                                 value = wacom_offset_rotation(input, usage, value, 1, 2);
2108                 }
2109                 else {
2110                         value = wacom_offset_rotation(input, usage, value, 1, 4);
2111                 }
2112                 do_report = true;
2113                 break;
2114         case WACOM_HID_WD_TOUCHRINGSTATUS:
2115                 if (!value)
2116                         input_event(input, usage->type, usage->code, 0);
2117                 break;
2118
2119         case WACOM_HID_WD_MUTE_DEVICE:
2120         case WACOM_HID_WD_TOUCHONOFF:
2121                 if (wacom_wac->shared->touch_input) {
2122                         bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2123
2124                         if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2125                                 *is_touch_on = !(*is_touch_on);
2126                         else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2127                                 *is_touch_on = value;
2128
2129                         input_report_switch(wacom_wac->shared->touch_input,
2130                                             SW_MUTE_DEVICE, !(*is_touch_on));
2131                         input_sync(wacom_wac->shared->touch_input);
2132                 }
2133                 break;
2134
2135         case WACOM_HID_WD_MODE_CHANGE:
2136                 if (wacom_wac->is_direct_mode != value) {
2137                         wacom_wac->is_direct_mode = value;
2138                         wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2139                 }
2140                 break;
2141
2142         case WACOM_HID_WD_BUTTONCENTER:
2143                 for (i = 0; i < wacom->led.count; i++)
2144                         wacom_update_led(wacom, features->numbered_buttons,
2145                                          value, i);
2146                  /* fall through*/
2147         default:
2148                 do_report = true;
2149                 break;
2150         }
2151
2152         if (do_report) {
2153                 input_event(input, usage->type, usage->code, value);
2154                 if (value)
2155                         wacom_wac->hid_data.pad_input_event_flag = true;
2156         }
2157 }
2158
2159 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2160                 struct hid_report *report)
2161 {
2162         struct wacom *wacom = hid_get_drvdata(hdev);
2163         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2164
2165         wacom_wac->hid_data.inrange_state = 0;
2166 }
2167
2168 static void wacom_wac_pad_report(struct hid_device *hdev,
2169                 struct hid_report *report, struct hid_field *field)
2170 {
2171         struct wacom *wacom = hid_get_drvdata(hdev);
2172         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2173         struct input_dev *input = wacom_wac->pad_input;
2174         bool active = wacom_wac->hid_data.inrange_state != 0;
2175
2176         /* report prox for expresskey events */
2177         if (wacom_wac->hid_data.pad_input_event_flag) {
2178                 input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2179                 input_sync(input);
2180                 if (!active)
2181                         wacom_wac->hid_data.pad_input_event_flag = false;
2182         }
2183 }
2184
2185 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2186                 struct hid_field *field, struct hid_usage *usage)
2187 {
2188         struct wacom *wacom = hid_get_drvdata(hdev);
2189         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2190         struct wacom_features *features = &wacom_wac->features;
2191         struct input_dev *input = wacom_wac->pen_input;
2192         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2193
2194         switch (equivalent_usage) {
2195         case HID_GD_X:
2196                 wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2197                 break;
2198         case HID_GD_Y:
2199                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2200                 break;
2201         case WACOM_HID_WD_DISTANCE:
2202         case HID_GD_Z:
2203                 wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2204                 break;
2205         case HID_DG_TIPPRESSURE:
2206                 wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2207                 break;
2208         case HID_DG_INRANGE:
2209                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2210                 break;
2211         case HID_DG_INVERT:
2212                 wacom_map_usage(input, usage, field, EV_KEY,
2213                                 BTN_TOOL_RUBBER, 0);
2214                 break;
2215         case HID_DG_TILT_X:
2216                 wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2217                 break;
2218         case HID_DG_TILT_Y:
2219                 wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2220                 break;
2221         case HID_DG_TWIST:
2222                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2223                 break;
2224         case HID_DG_ERASER:
2225         case HID_DG_TIPSWITCH:
2226                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2227                 break;
2228         case HID_DG_BARRELSWITCH:
2229                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2230                 break;
2231         case HID_DG_BARRELSWITCH2:
2232                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2233                 break;
2234         case HID_DG_TOOLSERIALNUMBER:
2235                 features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2236                 wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2237                 break;
2238         case WACOM_HID_WD_SENSE:
2239                 features->quirks |= WACOM_QUIRK_SENSE;
2240                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2241                 break;
2242         case WACOM_HID_WD_SERIALHI:
2243                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2244
2245                 if (!(features->quirks & WACOM_QUIRK_AESPEN)) {
2246                         set_bit(EV_KEY, input->evbit);
2247                         input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2248                         input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2249                         input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
2250                         input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
2251                         input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2252                         if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) {
2253                                 input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
2254                                 input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
2255                         }
2256                 }
2257                 break;
2258         case WACOM_HID_WD_FINGERWHEEL:
2259                 wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2260                 break;
2261         }
2262 }
2263
2264 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2265                 struct hid_usage *usage, __s32 value)
2266 {
2267         struct wacom *wacom = hid_get_drvdata(hdev);
2268         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2269         struct wacom_features *features = &wacom_wac->features;
2270         struct input_dev *input = wacom_wac->pen_input;
2271         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2272
2273         if (wacom_wac->is_invalid_bt_frame)
2274                 return;
2275
2276         switch (equivalent_usage) {
2277         case HID_GD_Z:
2278                 /*
2279                  * HID_GD_Z "should increase as the control's position is
2280                  * moved from high to low", while ABS_DISTANCE instead
2281                  * increases in value as the tool moves from low to high.
2282                  */
2283                 value = field->logical_maximum - value;
2284                 break;
2285         case HID_DG_INRANGE:
2286                 wacom_wac->hid_data.inrange_state = value;
2287                 if (!(features->quirks & WACOM_QUIRK_SENSE))
2288                         wacom_wac->hid_data.sense_state = value;
2289                 return;
2290         case HID_DG_INVERT:
2291                 wacom_wac->hid_data.invert_state = value;
2292                 return;
2293         case HID_DG_ERASER:
2294         case HID_DG_TIPSWITCH:
2295                 wacom_wac->hid_data.tipswitch |= value;
2296                 return;
2297         case HID_DG_BARRELSWITCH:
2298                 wacom_wac->hid_data.barrelswitch = value;
2299                 return;
2300         case HID_DG_BARRELSWITCH2:
2301                 wacom_wac->hid_data.barrelswitch2 = value;
2302                 return;
2303         case HID_DG_TOOLSERIALNUMBER:
2304                 if (value) {
2305                         wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2306                         wacom_wac->serial[0] |= wacom_s32tou(value, field->report_size);
2307                 }
2308                 return;
2309         case HID_DG_TWIST:
2310                 /*
2311                  * Userspace expects pen twist to have its zero point when
2312                  * the buttons/finger is on the tablet's left. HID values
2313                  * are zero when buttons are toward the top.
2314                  */
2315                 value = wacom_offset_rotation(input, usage, value, 1, 4);
2316                 break;
2317         case WACOM_HID_WD_SENSE:
2318                 wacom_wac->hid_data.sense_state = value;
2319                 return;
2320         case WACOM_HID_WD_SERIALHI:
2321                 if (value) {
2322                         __u32 raw_value = wacom_s32tou(value, field->report_size);
2323
2324                         wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2325                         wacom_wac->serial[0] |= ((__u64)raw_value) << 32;
2326                         /*
2327                          * Non-USI EMR devices may contain additional tool type
2328                          * information here. See WACOM_HID_WD_TOOLTYPE case for
2329                          * more details.
2330                          */
2331                         if (value >> 20 == 1) {
2332                                 wacom_wac->id[0] |= raw_value & 0xFFFFF;
2333                         }
2334                 }
2335                 return;
2336         case WACOM_HID_WD_TOOLTYPE:
2337                 /*
2338                  * Some devices (MobileStudio Pro, and possibly later
2339                  * devices as well) do not return the complete tool
2340                  * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2341                  * bitwise OR so the complete value can be built
2342                  * up over time :(
2343                  */
2344                 wacom_wac->id[0] |= wacom_s32tou(value, field->report_size);
2345                 return;
2346         case WACOM_HID_WD_OFFSETLEFT:
2347                 if (features->offset_left && value != features->offset_left)
2348                         hid_warn(hdev, "%s: overriding existing left offset "
2349                                  "%d -> %d\n", __func__, value,
2350                                  features->offset_left);
2351                 features->offset_left = value;
2352                 return;
2353         case WACOM_HID_WD_OFFSETRIGHT:
2354                 if (features->offset_right && value != features->offset_right)
2355                         hid_warn(hdev, "%s: overriding existing right offset "
2356                                  "%d -> %d\n", __func__, value,
2357                                  features->offset_right);
2358                 features->offset_right = value;
2359                 return;
2360         case WACOM_HID_WD_OFFSETTOP:
2361                 if (features->offset_top && value != features->offset_top)
2362                         hid_warn(hdev, "%s: overriding existing top offset "
2363                                  "%d -> %d\n", __func__, value,
2364                                  features->offset_top);
2365                 features->offset_top = value;
2366                 return;
2367         case WACOM_HID_WD_OFFSETBOTTOM:
2368                 if (features->offset_bottom && value != features->offset_bottom)
2369                         hid_warn(hdev, "%s: overriding existing bottom offset "
2370                                  "%d -> %d\n", __func__, value,
2371                                  features->offset_bottom);
2372                 features->offset_bottom = value;
2373                 return;
2374         case WACOM_HID_WD_REPORT_VALID:
2375                 wacom_wac->is_invalid_bt_frame = !value;
2376                 return;
2377         }
2378
2379         /* send pen events only when touch is up or forced out
2380          * or touch arbitration is off
2381          */
2382         if (!usage->type || delay_pen_events(wacom_wac))
2383                 return;
2384
2385         /* send pen events only when the pen is in range */
2386         if (wacom_wac->hid_data.inrange_state)
2387                 input_event(input, usage->type, usage->code, value);
2388         else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2389                 input_event(input, usage->type, usage->code, 0);
2390 }
2391
2392 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2393                 struct hid_report *report)
2394 {
2395         struct wacom *wacom = hid_get_drvdata(hdev);
2396         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2397
2398         wacom_wac->is_invalid_bt_frame = false;
2399         return;
2400 }
2401
2402 static void wacom_wac_pen_report(struct hid_device *hdev,
2403                 struct hid_report *report)
2404 {
2405         struct wacom *wacom = hid_get_drvdata(hdev);
2406         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2407         struct input_dev *input = wacom_wac->pen_input;
2408         bool range = wacom_wac->hid_data.inrange_state;
2409         bool sense = wacom_wac->hid_data.sense_state;
2410
2411         if (wacom_wac->is_invalid_bt_frame)
2412                 return;
2413
2414         if (!wacom_wac->tool[0] && range) { /* first in range */
2415                 /* Going into range select tool */
2416                 if (wacom_wac->hid_data.invert_state)
2417                         wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2418                 else if (wacom_wac->id[0])
2419                         wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2420                 else
2421                         wacom_wac->tool[0] = BTN_TOOL_PEN;
2422         }
2423
2424         /* keep pen state for touch events */
2425         wacom_wac->shared->stylus_in_proximity = sense;
2426
2427         if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2428                 int id = wacom_wac->id[0];
2429                 int sw_state = wacom_wac->hid_data.barrelswitch |
2430                                (wacom_wac->hid_data.barrelswitch2 << 1);
2431
2432                 input_report_key(input, BTN_STYLUS, sw_state == 1);
2433                 input_report_key(input, BTN_STYLUS2, sw_state == 2);
2434                 input_report_key(input, BTN_STYLUS3, sw_state == 3);
2435
2436                 /*
2437                  * Non-USI EMR tools should have their IDs mangled to
2438                  * match the legacy behavior of wacom_intuos_general
2439                  */
2440                 if (wacom_wac->serial[0] >> 52 == 1)
2441                         id = wacom_intuos_id_mangle(id);
2442
2443                 /*
2444                  * To ensure compatibility with xf86-input-wacom, we should
2445                  * report the BTN_TOOL_* event prior to the ABS_MISC or
2446                  * MSC_SERIAL events.
2447                  */
2448                 input_report_key(input, BTN_TOUCH,
2449                                 wacom_wac->hid_data.tipswitch);
2450                 input_report_key(input, wacom_wac->tool[0], sense);
2451                 if (wacom_wac->serial[0]) {
2452                         input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2453                         input_report_abs(input, ABS_MISC, sense ? id : 0);
2454                 }
2455
2456                 wacom_wac->hid_data.tipswitch = false;
2457
2458                 input_sync(input);
2459         }
2460
2461         if (!sense) {
2462                 wacom_wac->tool[0] = 0;
2463                 wacom_wac->id[0] = 0;
2464                 wacom_wac->serial[0] = 0;
2465         }
2466 }
2467
2468 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2469                 struct hid_field *field, struct hid_usage *usage)
2470 {
2471         struct wacom *wacom = hid_get_drvdata(hdev);
2472         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2473         struct input_dev *input = wacom_wac->touch_input;
2474         unsigned touch_max = wacom_wac->features.touch_max;
2475         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2476
2477         switch (equivalent_usage) {
2478         case HID_GD_X:
2479                 if (touch_max == 1)
2480                         wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2481                 else
2482                         wacom_map_usage(input, usage, field, EV_ABS,
2483                                         ABS_MT_POSITION_X, 4);
2484                 break;
2485         case HID_GD_Y:
2486                 if (touch_max == 1)
2487                         wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2488                 else
2489                         wacom_map_usage(input, usage, field, EV_ABS,
2490                                         ABS_MT_POSITION_Y, 4);
2491                 break;
2492         case HID_DG_WIDTH:
2493         case HID_DG_HEIGHT:
2494                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2495                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2496                 input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2497                 break;
2498         case HID_DG_TIPSWITCH:
2499                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2500                 break;
2501         case HID_DG_CONTACTCOUNT:
2502                 wacom_wac->hid_data.cc_report = field->report->id;
2503                 wacom_wac->hid_data.cc_index = field->index;
2504                 wacom_wac->hid_data.cc_value_index = usage->usage_index;
2505                 break;
2506         case HID_DG_CONTACTID:
2507                 if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2508                         /*
2509                          * The HID descriptor for G11 sensors leaves logical
2510                          * maximum set to '1' despite it being a multitouch
2511                          * device. Override to a sensible number.
2512                          */
2513                         field->logical_maximum = 255;
2514                 }
2515                 break;
2516         }
2517 }
2518
2519 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2520                 struct input_dev *input)
2521 {
2522         struct hid_data *hid_data = &wacom_wac->hid_data;
2523         bool mt = wacom_wac->features.touch_max > 1;
2524         bool prox = hid_data->tipswitch &&
2525                     report_touch_events(wacom_wac);
2526
2527         if (wacom_wac->shared->has_mute_touch_switch &&
2528             !wacom_wac->shared->is_touch_on) {
2529                 if (!wacom_wac->shared->touch_down)
2530                         return;
2531                 prox = 0;
2532         }
2533
2534         wacom_wac->hid_data.num_received++;
2535         if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2536                 return;
2537
2538         if (mt) {
2539                 int slot;
2540
2541                 slot = input_mt_get_slot_by_key(input, hid_data->id);
2542                 input_mt_slot(input, slot);
2543                 input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2544         }
2545         else {
2546                 input_report_key(input, BTN_TOUCH, prox);
2547         }
2548
2549         if (prox) {
2550                 input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2551                                  hid_data->x);
2552                 input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2553                                  hid_data->y);
2554
2555                 if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2556                         input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2557                         input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2558                         if (hid_data->width != hid_data->height)
2559                                 input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2560                 }
2561         }
2562 }
2563
2564 static void wacom_wac_finger_event(struct hid_device *hdev,
2565                 struct hid_field *field, struct hid_usage *usage, __s32 value)
2566 {
2567         struct wacom *wacom = hid_get_drvdata(hdev);
2568         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2569         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2570         struct wacom_features *features = &wacom->wacom_wac.features;
2571
2572         if (wacom_wac->is_invalid_bt_frame)
2573                 return;
2574
2575         switch (equivalent_usage) {
2576         case HID_GD_X:
2577                 wacom_wac->hid_data.x = value;
2578                 break;
2579         case HID_GD_Y:
2580                 wacom_wac->hid_data.y = value;
2581                 break;
2582         case HID_DG_WIDTH:
2583                 wacom_wac->hid_data.width = value;
2584                 break;
2585         case HID_DG_HEIGHT:
2586                 wacom_wac->hid_data.height = value;
2587                 break;
2588         case HID_DG_CONTACTID:
2589                 wacom_wac->hid_data.id = value;
2590                 break;
2591         case HID_DG_TIPSWITCH:
2592                 wacom_wac->hid_data.tipswitch = value;
2593                 break;
2594         case WACOM_HID_WT_REPORT_VALID:
2595                 wacom_wac->is_invalid_bt_frame = !value;
2596                 return;
2597         case HID_DG_CONTACTMAX:
2598                 features->touch_max = value;
2599                 return;
2600         }
2601
2602         if (usage->usage_index + 1 == field->report_count) {
2603                 if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2604                         wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2605         }
2606 }
2607
2608 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2609                 struct hid_report *report)
2610 {
2611         struct wacom *wacom = hid_get_drvdata(hdev);
2612         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2613         struct hid_data* hid_data = &wacom_wac->hid_data;
2614         int i;
2615
2616         wacom_wac->is_invalid_bt_frame = false;
2617
2618         for (i = 0; i < report->maxfield; i++) {
2619                 struct hid_field *field = report->field[i];
2620                 int j;
2621
2622                 for (j = 0; j < field->maxusage; j++) {
2623                         struct hid_usage *usage = &field->usage[j];
2624                         unsigned int equivalent_usage =
2625                                 wacom_equivalent_usage(usage->hid);
2626
2627                         switch (equivalent_usage) {
2628                         case HID_GD_X:
2629                         case HID_GD_Y:
2630                         case HID_DG_WIDTH:
2631                         case HID_DG_HEIGHT:
2632                         case HID_DG_CONTACTID:
2633                         case HID_DG_INRANGE:
2634                         case HID_DG_INVERT:
2635                         case HID_DG_TIPSWITCH:
2636                                 hid_data->last_slot_field = equivalent_usage;
2637                                 break;
2638                         }
2639                 }
2640         }
2641 }
2642
2643 static void wacom_wac_finger_report(struct hid_device *hdev,
2644                 struct hid_report *report)
2645 {
2646         struct wacom *wacom = hid_get_drvdata(hdev);
2647         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2648         struct input_dev *input = wacom_wac->touch_input;
2649         unsigned touch_max = wacom_wac->features.touch_max;
2650         struct hid_data *hid_data = &wacom_wac->hid_data;
2651
2652         /* If more packets of data are expected, give us a chance to
2653          * process them rather than immediately syncing a partial
2654          * update.
2655          */
2656         if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2657                 return;
2658
2659         if (touch_max > 1)
2660                 input_mt_sync_frame(input);
2661
2662         input_sync(input);
2663         wacom_wac->hid_data.num_received = 0;
2664         hid_data->num_expected = 0;
2665
2666         /* keep touch state for pen event */
2667         wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2668 }
2669
2670 void wacom_wac_usage_mapping(struct hid_device *hdev,
2671                 struct hid_field *field, struct hid_usage *usage)
2672 {
2673         struct wacom *wacom = hid_get_drvdata(hdev);
2674         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2675         struct wacom_features *features = &wacom_wac->features;
2676
2677         if (WACOM_DIRECT_DEVICE(field))
2678                 features->device_type |= WACOM_DEVICETYPE_DIRECT;
2679
2680         /* usage tests must precede field tests */
2681         if (WACOM_BATTERY_USAGE(usage))
2682                 wacom_wac_battery_usage_mapping(hdev, field, usage);
2683         else if (WACOM_PAD_FIELD(field))
2684                 wacom_wac_pad_usage_mapping(hdev, field, usage);
2685         else if (WACOM_PEN_FIELD(field))
2686                 wacom_wac_pen_usage_mapping(hdev, field, usage);
2687         else if (WACOM_FINGER_FIELD(field))
2688                 wacom_wac_finger_usage_mapping(hdev, field, usage);
2689 }
2690
2691 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2692                 struct hid_usage *usage, __s32 value)
2693 {
2694         struct wacom *wacom = hid_get_drvdata(hdev);
2695
2696         if (wacom->wacom_wac.features.type != HID_GENERIC)
2697                 return;
2698
2699         if (value > field->logical_maximum || value < field->logical_minimum)
2700                 return;
2701
2702         /* usage tests must precede field tests */
2703         if (WACOM_BATTERY_USAGE(usage))
2704                 wacom_wac_battery_event(hdev, field, usage, value);
2705         else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2706                 wacom_wac_pad_event(hdev, field, usage, value);
2707         else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2708                 wacom_wac_pen_event(hdev, field, usage, value);
2709         else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2710                 wacom_wac_finger_event(hdev, field, usage, value);
2711 }
2712
2713 static void wacom_report_events(struct hid_device *hdev,
2714                                 struct hid_report *report, int collection_index,
2715                                 int field_index)
2716 {
2717         int r;
2718
2719         for (r = field_index; r < report->maxfield; r++) {
2720                 struct hid_field *field;
2721                 unsigned count, n;
2722
2723                 field = report->field[r];
2724                 count = field->report_count;
2725
2726                 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2727                         continue;
2728
2729                 for (n = 0 ; n < count; n++) {
2730                         if (field->usage[n].collection_index == collection_index)
2731                                 wacom_wac_event(hdev, field, &field->usage[n],
2732                                                 field->value[n]);
2733                         else
2734                                 return;
2735                 }
2736         }
2737 }
2738
2739 static void wacom_set_num_expected(struct hid_device *hdev,
2740                                    struct hid_report *report,
2741                                    int collection_index,
2742                                    struct hid_field *field,
2743                                    int field_index)
2744 {
2745         struct wacom *wacom = hid_get_drvdata(hdev);
2746         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2747         struct hid_data *hid_data = &wacom_wac->hid_data;
2748         unsigned int original_collection_level =
2749                 hdev->collection[collection_index].level;
2750         bool end_collection = false;
2751         int i;
2752
2753         if (hid_data->num_expected)
2754                 return;
2755
2756         // find the contact count value for this segment
2757         for (i = field_index; i < report->maxfield && !end_collection; i++) {
2758                 struct hid_field *field = report->field[i];
2759                 unsigned int field_level =
2760                         hdev->collection[field->usage[0].collection_index].level;
2761                 unsigned int j;
2762
2763                 if (field_level != original_collection_level)
2764                         continue;
2765
2766                 for (j = 0; j < field->maxusage; j++) {
2767                         struct hid_usage *usage = &field->usage[j];
2768
2769                         if (usage->collection_index != collection_index) {
2770                                 end_collection = true;
2771                                 break;
2772                         }
2773                         if (wacom_equivalent_usage(usage->hid) == HID_DG_CONTACTCOUNT) {
2774                                 hid_data->cc_report = report->id;
2775                                 hid_data->cc_index = i;
2776                                 hid_data->cc_value_index = j;
2777
2778                                 if (hid_data->cc_report != 0 &&
2779                                     hid_data->cc_index >= 0) {
2780
2781                                         struct hid_field *field =
2782                                                 report->field[hid_data->cc_index];
2783                                         int value =
2784                                                 field->value[hid_data->cc_value_index];
2785
2786                                         if (value)
2787                                                 hid_data->num_expected = value;
2788                                 }
2789                         }
2790                 }
2791         }
2792
2793         if (hid_data->cc_report == 0 || hid_data->cc_index < 0)
2794                 hid_data->num_expected = wacom_wac->features.touch_max;
2795 }
2796
2797 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2798                          int collection_index, struct hid_field *field,
2799                          int field_index)
2800 {
2801         struct wacom *wacom = hid_get_drvdata(hdev);
2802
2803         if (WACOM_FINGER_FIELD(field))
2804                 wacom_set_num_expected(hdev, report, collection_index, field,
2805                                        field_index);
2806         wacom_report_events(hdev, report, collection_index, field_index);
2807
2808         /*
2809          * Non-input reports may be sent prior to the device being
2810          * completely initialized. Since only their events need
2811          * to be processed, exit after 'wacom_report_events' has
2812          * been called to prevent potential crashes in the report-
2813          * processing functions.
2814          */
2815         if (report->type != HID_INPUT_REPORT)
2816                 return -1;
2817
2818         if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2819                 wacom_wac_pen_report(hdev, report);
2820         else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2821                 wacom_wac_finger_report(hdev, report);
2822
2823         return 0;
2824 }
2825
2826 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2827 {
2828         struct wacom *wacom = hid_get_drvdata(hdev);
2829         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2830         struct hid_field *field;
2831         bool pad_in_hid_field = false, pen_in_hid_field = false,
2832                 finger_in_hid_field = false, true_pad = false;
2833         int r;
2834         int prev_collection = -1;
2835
2836         if (wacom_wac->features.type != HID_GENERIC)
2837                 return;
2838
2839         for (r = 0; r < report->maxfield; r++) {
2840                 field = report->field[r];
2841
2842                 if (WACOM_PAD_FIELD(field))
2843                         pad_in_hid_field = true;
2844                 if (WACOM_PEN_FIELD(field))
2845                         pen_in_hid_field = true;
2846                 if (WACOM_FINGER_FIELD(field))
2847                         finger_in_hid_field = true;
2848                 if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
2849                         true_pad = true;
2850         }
2851
2852         wacom_wac_battery_pre_report(hdev, report);
2853
2854         if (pad_in_hid_field && wacom->wacom_wac.pad_input)
2855                 wacom_wac_pad_pre_report(hdev, report);
2856         if (pen_in_hid_field && wacom->wacom_wac.pen_input)
2857                 wacom_wac_pen_pre_report(hdev, report);
2858         if (finger_in_hid_field && wacom->wacom_wac.touch_input)
2859                 wacom_wac_finger_pre_report(hdev, report);
2860
2861         for (r = 0; r < report->maxfield; r++) {
2862                 field = report->field[r];
2863
2864                 if (field->usage[0].collection_index != prev_collection) {
2865                         if (wacom_wac_collection(hdev, report,
2866                                 field->usage[0].collection_index, field, r) < 0)
2867                                 return;
2868                         prev_collection = field->usage[0].collection_index;
2869                 }
2870         }
2871
2872         wacom_wac_battery_report(hdev, report);
2873
2874         if (true_pad && wacom->wacom_wac.pad_input)
2875                 wacom_wac_pad_report(hdev, report, field);
2876 }
2877
2878 static int wacom_bpt_touch(struct wacom_wac *wacom)
2879 {
2880         struct wacom_features *features = &wacom->features;
2881         struct input_dev *input = wacom->touch_input;
2882         struct input_dev *pad_input = wacom->pad_input;
2883         unsigned char *data = wacom->data;
2884         int i;
2885
2886         if (data[0] != 0x02)
2887             return 0;
2888
2889         for (i = 0; i < 2; i++) {
2890                 int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2891                 bool touch = report_touch_events(wacom)
2892                            && (data[offset + 3] & 0x80);
2893
2894                 input_mt_slot(input, i);
2895                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2896                 if (touch) {
2897                         int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2898                         int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2899                         if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2900                                 x <<= 5;
2901                                 y <<= 5;
2902                         }
2903                         input_report_abs(input, ABS_MT_POSITION_X, x);
2904                         input_report_abs(input, ABS_MT_POSITION_Y, y);
2905                 }
2906         }
2907
2908         input_mt_sync_frame(input);
2909
2910         input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2911         input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2912         input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2913         input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2914         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2915
2916         return 1;
2917 }
2918
2919 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2920 {
2921         struct wacom_features *features = &wacom->features;
2922         struct input_dev *input = wacom->touch_input;
2923         bool touch = data[1] & 0x80;
2924         int slot = input_mt_get_slot_by_key(input, data[0]);
2925
2926         if (slot < 0)
2927                 return;
2928
2929         touch = touch && report_touch_events(wacom);
2930
2931         input_mt_slot(input, slot);
2932         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2933
2934         if (touch) {
2935                 int x = (data[2] << 4) | (data[4] >> 4);
2936                 int y = (data[3] << 4) | (data[4] & 0x0f);
2937                 int width, height;
2938
2939                 if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2940                         width  = data[5] * 100;
2941                         height = data[6] * 100;
2942                 } else {
2943                         /*
2944                          * "a" is a scaled-down area which we assume is
2945                          * roughly circular and which can be described as:
2946                          * a=(pi*r^2)/C.
2947                          */
2948                         int a = data[5];
2949                         int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2950                         int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2951                         width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2952                         height = width * y_res / x_res;
2953                 }
2954
2955                 input_report_abs(input, ABS_MT_POSITION_X, x);
2956                 input_report_abs(input, ABS_MT_POSITION_Y, y);
2957                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2958                 input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2959         }
2960 }
2961
2962 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2963 {
2964         struct input_dev *input = wacom->pad_input;
2965         struct wacom_features *features = &wacom->features;
2966
2967         if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2968                 input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2969                 input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2970         } else {
2971                 input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2972                 input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2973         }
2974         input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2975         input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2976 }
2977
2978 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2979 {
2980         unsigned char *data = wacom->data;
2981         int count = data[1] & 0x07;
2982         int  touch_changed = 0, i;
2983
2984         if (data[0] != 0x02)
2985             return 0;
2986
2987         /* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2988         for (i = 0; i < count; i++) {
2989                 int offset = (8 * i) + 2;
2990                 int msg_id = data[offset];
2991
2992                 if (msg_id >= 2 && msg_id <= 17) {
2993                         wacom_bpt3_touch_msg(wacom, data + offset);
2994                         touch_changed++;
2995                 } else if (msg_id == 128)
2996                         wacom_bpt3_button_msg(wacom, data + offset);
2997
2998         }
2999
3000         /* only update touch if we actually have a touchpad and touch data changed */
3001         if (wacom->touch_input && touch_changed) {
3002                 input_mt_sync_frame(wacom->touch_input);
3003                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
3004         }
3005
3006         return 1;
3007 }
3008
3009 static int wacom_bpt_pen(struct wacom_wac *wacom)
3010 {
3011         struct wacom_features *features = &wacom->features;
3012         struct input_dev *input = wacom->pen_input;
3013         unsigned char *data = wacom->data;
3014         int x = 0, y = 0, p = 0, d = 0;
3015         bool pen = false, btn1 = false, btn2 = false;
3016         bool range, prox, rdy;
3017
3018         if (data[0] != WACOM_REPORT_PENABLED)
3019             return 0;
3020
3021         range = (data[1] & 0x80) == 0x80;
3022         prox = (data[1] & 0x40) == 0x40;
3023         rdy = (data[1] & 0x20) == 0x20;
3024
3025         wacom->shared->stylus_in_proximity = range;
3026         if (delay_pen_events(wacom))
3027                 return 0;
3028
3029         if (rdy) {
3030                 p = le16_to_cpup((__le16 *)&data[6]);
3031                 pen = data[1] & 0x01;
3032                 btn1 = data[1] & 0x02;
3033                 btn2 = data[1] & 0x04;
3034         }
3035         if (prox) {
3036                 x = le16_to_cpup((__le16 *)&data[2]);
3037                 y = le16_to_cpup((__le16 *)&data[4]);
3038
3039                 if (data[1] & 0x08) {
3040                         wacom->tool[0] = BTN_TOOL_RUBBER;
3041                         wacom->id[0] = ERASER_DEVICE_ID;
3042                 } else {
3043                         wacom->tool[0] = BTN_TOOL_PEN;
3044                         wacom->id[0] = STYLUS_DEVICE_ID;
3045                 }
3046                 wacom->reporting_data = true;
3047         }
3048         if (range) {
3049                 /*
3050                  * Convert distance from out prox to distance from tablet.
3051                  * distance will be greater than distance_max once
3052                  * touching and applying pressure; do not report negative
3053                  * distance.
3054                  */
3055                 if (data[8] <= features->distance_max)
3056                         d = features->distance_max - data[8];
3057         } else {
3058                 wacom->id[0] = 0;
3059         }
3060
3061         if (wacom->reporting_data) {
3062                 input_report_key(input, BTN_TOUCH, pen);
3063                 input_report_key(input, BTN_STYLUS, btn1);
3064                 input_report_key(input, BTN_STYLUS2, btn2);
3065
3066                 if (prox || !range) {
3067                         input_report_abs(input, ABS_X, x);
3068                         input_report_abs(input, ABS_Y, y);
3069                 }
3070                 input_report_abs(input, ABS_PRESSURE, p);
3071                 input_report_abs(input, ABS_DISTANCE, d);
3072
3073                 input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
3074                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
3075         }
3076
3077         if (!range) {
3078                 wacom->reporting_data = false;
3079         }
3080
3081         return 1;
3082 }
3083
3084 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
3085 {
3086         struct wacom_features *features = &wacom->features;
3087
3088         if ((features->type == INTUOSHT2) &&
3089             (features->device_type & WACOM_DEVICETYPE_PEN))
3090                 return wacom_intuos_irq(wacom);
3091         else if (len == WACOM_PKGLEN_BBTOUCH)
3092                 return wacom_bpt_touch(wacom);
3093         else if (len == WACOM_PKGLEN_BBTOUCH3)
3094                 return wacom_bpt3_touch(wacom);
3095         else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
3096                 return wacom_bpt_pen(wacom);
3097
3098         return 0;
3099 }
3100
3101 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
3102                 unsigned char *data)
3103 {
3104         unsigned char prefix;
3105
3106         /*
3107          * We need to reroute the event from the debug interface to the
3108          * pen interface.
3109          * We need to add the report ID to the actual pen report, so we
3110          * temporary overwrite the first byte to prevent having to kzalloc/kfree
3111          * and memcpy the report.
3112          */
3113         prefix = data[0];
3114         data[0] = WACOM_REPORT_BPAD_PEN;
3115
3116         /*
3117          * actually reroute the event.
3118          * No need to check if wacom->shared->pen is valid, hid_input_report()
3119          * will check for us.
3120          */
3121         hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3122                          WACOM_PKGLEN_PENABLED, 1);
3123
3124         data[0] = prefix;
3125 }
3126
3127 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3128                 unsigned char *data)
3129 {
3130         struct input_dev *input = wacom->touch_input;
3131         unsigned char *finger_data, prefix;
3132         unsigned id;
3133         int x, y;
3134         bool valid;
3135
3136         prefix = data[0];
3137
3138         for (id = 0; id < wacom->features.touch_max; id++) {
3139                 valid = !!(prefix & BIT(id)) &&
3140                         report_touch_events(wacom);
3141
3142                 input_mt_slot(input, id);
3143                 input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3144
3145                 if (!valid)
3146                         continue;
3147
3148                 finger_data = data + 1 + id * 3;
3149                 x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3150                 y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3151
3152                 input_report_abs(input, ABS_MT_POSITION_X, x);
3153                 input_report_abs(input, ABS_MT_POSITION_Y, y);
3154         }
3155
3156         input_mt_sync_frame(input);
3157
3158         input_report_key(input, BTN_LEFT, prefix & 0x40);
3159         input_report_key(input, BTN_RIGHT, prefix & 0x80);
3160
3161         /* keep touch state for pen event */
3162         wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3163
3164         return 1;
3165 }
3166
3167 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3168 {
3169         unsigned char *data = wacom->data;
3170
3171         if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3172               (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3173             (data[0] != WACOM_REPORT_BPAD_TOUCH))
3174                 return 0;
3175
3176         if (data[1] & 0x01)
3177                 wacom_bamboo_pad_pen_event(wacom, &data[1]);
3178
3179         if (data[1] & 0x02)
3180                 return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3181
3182         return 0;
3183 }
3184
3185 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3186 {
3187         unsigned char *data = wacom->data;
3188         int connected;
3189
3190         if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3191                 return 0;
3192
3193         connected = data[1] & 0x01;
3194         if (connected) {
3195                 int pid, battery, charging;
3196
3197                 if ((wacom->shared->type == INTUOSHT ||
3198                     wacom->shared->type == INTUOSHT2) &&
3199                     wacom->shared->touch_input &&
3200                     wacom->shared->touch_max) {
3201                         input_report_switch(wacom->shared->touch_input,
3202                                         SW_MUTE_DEVICE, data[5] & 0x40);
3203                         input_sync(wacom->shared->touch_input);
3204                 }
3205
3206                 pid = get_unaligned_be16(&data[6]);
3207                 battery = (data[5] & 0x3f) * 100 / 31;
3208                 charging = !!(data[5] & 0x80);
3209                 if (wacom->pid != pid) {
3210                         wacom->pid = pid;
3211                         wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3212                 }
3213
3214                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3215                                      battery, charging, 1, 0);
3216
3217         } else if (wacom->pid != 0) {
3218                 /* disconnected while previously connected */
3219                 wacom->pid = 0;
3220                 wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3221                 wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3222         }
3223
3224         return 0;
3225 }
3226
3227 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3228 {
3229         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3230         struct wacom_features *features = &wacom_wac->features;
3231         unsigned char *data = wacom_wac->data;
3232
3233         if (data[0] != WACOM_REPORT_USB)
3234                 return 0;
3235
3236         if ((features->type == INTUOSHT ||
3237             features->type == INTUOSHT2) &&
3238             wacom_wac->shared->touch_input &&
3239             features->touch_max) {
3240                 input_report_switch(wacom_wac->shared->touch_input,
3241                                     SW_MUTE_DEVICE, data[8] & 0x40);
3242                 input_sync(wacom_wac->shared->touch_input);
3243         }
3244
3245         if (data[9] & 0x02) { /* wireless module is attached */
3246                 int battery = (data[8] & 0x3f) * 100 / 31;
3247                 bool charging = !!(data[8] & 0x80);
3248
3249                 wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3250                                      battery, charging, battery || charging, 1);
3251
3252                 if (!wacom->battery.battery &&
3253                     !(features->quirks & WACOM_QUIRK_BATTERY)) {
3254                         features->quirks |= WACOM_QUIRK_BATTERY;
3255                         wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3256                 }
3257         }
3258         else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3259                  wacom->battery.battery) {
3260                 features->quirks &= ~WACOM_QUIRK_BATTERY;
3261                 wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3262                 wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3263         }
3264         return 0;
3265 }
3266
3267 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3268 {
3269         bool sync;
3270
3271         switch (wacom_wac->features.type) {
3272         case PENPARTNER:
3273                 sync = wacom_penpartner_irq(wacom_wac);
3274                 break;
3275
3276         case PL:
3277                 sync = wacom_pl_irq(wacom_wac);
3278                 break;
3279
3280         case WACOM_G4:
3281         case GRAPHIRE:
3282         case GRAPHIRE_BT:
3283         case WACOM_MO:
3284                 sync = wacom_graphire_irq(wacom_wac);
3285                 break;
3286
3287         case PTU:
3288                 sync = wacom_ptu_irq(wacom_wac);
3289                 break;
3290
3291         case DTU:
3292                 sync = wacom_dtu_irq(wacom_wac);
3293                 break;
3294
3295         case DTUS:
3296         case DTUSX:
3297                 sync = wacom_dtus_irq(wacom_wac);
3298                 break;
3299
3300         case INTUOS:
3301         case INTUOS3S:
3302         case INTUOS3:
3303         case INTUOS3L:
3304         case INTUOS4S:
3305         case INTUOS4:
3306         case INTUOS4L:
3307         case CINTIQ:
3308         case WACOM_BEE:
3309         case WACOM_13HD:
3310         case WACOM_21UX2:
3311         case WACOM_22HD:
3312         case WACOM_24HD:
3313         case WACOM_27QHD:
3314         case DTK:
3315         case CINTIQ_HYBRID:
3316         case CINTIQ_COMPANION_2:
3317                 sync = wacom_intuos_irq(wacom_wac);
3318                 break;
3319
3320         case INTUOS4WL:
3321                 sync = wacom_intuos_bt_irq(wacom_wac, len);
3322                 break;
3323
3324         case WACOM_24HDT:
3325         case WACOM_27QHDT:
3326                 sync = wacom_24hdt_irq(wacom_wac);
3327                 break;
3328
3329         case INTUOS5S:
3330         case INTUOS5:
3331         case INTUOS5L:
3332         case INTUOSPS:
3333         case INTUOSPM:
3334         case INTUOSPL:
3335                 if (len == WACOM_PKGLEN_BBTOUCH3)
3336                         sync = wacom_bpt3_touch(wacom_wac);
3337                 else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3338                         sync = wacom_status_irq(wacom_wac, len);
3339                 else
3340                         sync = wacom_intuos_irq(wacom_wac);
3341                 break;
3342
3343         case INTUOSP2_BT:
3344         case INTUOSP2S_BT:
3345         case INTUOSHT3_BT:
3346                 sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3347                 break;
3348
3349         case TABLETPC:
3350         case TABLETPCE:
3351         case TABLETPC2FG:
3352         case MTSCREEN:
3353         case MTTPC:
3354         case MTTPC_B:
3355                 sync = wacom_tpc_irq(wacom_wac, len);
3356                 break;
3357
3358         case BAMBOO_PT:
3359         case BAMBOO_PEN:
3360         case BAMBOO_TOUCH:
3361         case INTUOSHT:
3362         case INTUOSHT2:
3363                 if (wacom_wac->data[0] == WACOM_REPORT_USB)
3364                         sync = wacom_status_irq(wacom_wac, len);
3365                 else
3366                         sync = wacom_bpt_irq(wacom_wac, len);
3367                 break;
3368
3369         case BAMBOO_PAD:
3370                 sync = wacom_bamboo_pad_irq(wacom_wac, len);
3371                 break;
3372
3373         case WIRELESS:
3374                 sync = wacom_wireless_irq(wacom_wac, len);
3375                 break;
3376
3377         case REMOTE:
3378                 sync = false;
3379                 if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3380                         wacom_remote_status_irq(wacom_wac, len);
3381                 else
3382                         sync = wacom_remote_irq(wacom_wac, len);
3383                 break;
3384
3385         default:
3386                 sync = false;
3387                 break;
3388         }
3389
3390         if (sync) {
3391                 if (wacom_wac->pen_input)
3392                         input_sync(wacom_wac->pen_input);
3393                 if (wacom_wac->touch_input)
3394                         input_sync(wacom_wac->touch_input);
3395                 if (wacom_wac->pad_input)
3396                         input_sync(wacom_wac->pad_input);
3397         }
3398 }
3399
3400 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3401 {
3402         struct input_dev *input_dev = wacom_wac->pen_input;
3403
3404         input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3405
3406         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3407         __set_bit(BTN_STYLUS, input_dev->keybit);
3408         __set_bit(BTN_STYLUS2, input_dev->keybit);
3409
3410         input_set_abs_params(input_dev, ABS_DISTANCE,
3411                              0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3412 }
3413
3414 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3415 {
3416         struct input_dev *input_dev = wacom_wac->pen_input;
3417         struct wacom_features *features = &wacom_wac->features;
3418
3419         wacom_setup_basic_pro_pen(wacom_wac);
3420
3421         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3422         __set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3423         __set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3424         __set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3425
3426         input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3427         input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3428         input_abs_set_res(input_dev, ABS_TILT_X, 57);
3429         input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3430         input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3431 }
3432
3433 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3434 {
3435         struct input_dev *input_dev = wacom_wac->pen_input;
3436
3437         input_set_capability(input_dev, EV_REL, REL_WHEEL);
3438
3439         wacom_setup_cintiq(wacom_wac);
3440
3441         __set_bit(BTN_LEFT, input_dev->keybit);
3442         __set_bit(BTN_RIGHT, input_dev->keybit);
3443         __set_bit(BTN_MIDDLE, input_dev->keybit);
3444         __set_bit(BTN_SIDE, input_dev->keybit);
3445         __set_bit(BTN_EXTRA, input_dev->keybit);
3446         __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3447         __set_bit(BTN_TOOL_LENS, input_dev->keybit);
3448
3449         input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3450         input_abs_set_res(input_dev, ABS_RZ, 287);
3451         input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3452 }
3453
3454 void wacom_setup_device_quirks(struct wacom *wacom)
3455 {
3456         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
3457         struct wacom_features *features = &wacom->wacom_wac.features;
3458
3459         /* The pen and pad share the same interface on most devices */
3460         if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3461             features->type == DTUS ||
3462             (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3463                 if (features->device_type & WACOM_DEVICETYPE_PEN)
3464                         features->device_type |= WACOM_DEVICETYPE_PAD;
3465         }
3466
3467         /* touch device found but size is not defined. use default */
3468         if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3469                 features->x_max = 1023;
3470                 features->y_max = 1023;
3471         }
3472
3473         /*
3474          * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3475          * touch interface in its HID descriptor. If this is the touch
3476          * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3477          * tablet values.
3478          */
3479         if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3480                 (features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3481                 if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3482                         if (features->touch_max)
3483                                 features->device_type |= WACOM_DEVICETYPE_TOUCH;
3484                         if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3485                                 features->device_type |= WACOM_DEVICETYPE_PAD;
3486
3487                         if (features->type == INTUOSHT2) {
3488                                 features->x_max = features->x_max / 10;
3489                                 features->y_max = features->y_max / 10;
3490                         }
3491                         else {
3492                                 features->x_max = 4096;
3493                                 features->y_max = 4096;
3494                         }
3495                 }
3496                 else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3497                         features->device_type |= WACOM_DEVICETYPE_PAD;
3498                 }
3499         }
3500
3501         /*
3502          * Hack for the Bamboo One:
3503          * the device presents a PAD/Touch interface as most Bamboos and even
3504          * sends ghosts PAD data on it. However, later, we must disable this
3505          * ghost interface, and we can not detect it unless we set it here
3506          * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3507          */
3508         if (features->type == BAMBOO_PEN &&
3509             features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3510                 features->device_type |= WACOM_DEVICETYPE_PAD;
3511
3512         /*
3513          * Raw Wacom-mode pen and touch events both come from interface
3514          * 0, whose HID descriptor has an application usage of 0xFF0D
3515          * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3516          * out through the HID_GENERIC device created for interface 1,
3517          * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3518          */
3519         if (features->type == BAMBOO_PAD)
3520                 features->device_type = WACOM_DEVICETYPE_TOUCH;
3521
3522         if (features->type == REMOTE)
3523                 features->device_type = WACOM_DEVICETYPE_PAD;
3524
3525         if (features->type == INTUOSP2_BT ||
3526             features->type == INTUOSP2S_BT) {
3527                 features->device_type |= WACOM_DEVICETYPE_PEN |
3528                                          WACOM_DEVICETYPE_PAD |
3529                                          WACOM_DEVICETYPE_TOUCH;
3530                 features->quirks |= WACOM_QUIRK_BATTERY;
3531         }
3532
3533         if (features->type == INTUOSHT3_BT) {
3534                 features->device_type |= WACOM_DEVICETYPE_PEN |
3535                                          WACOM_DEVICETYPE_PAD;
3536                 features->quirks |= WACOM_QUIRK_BATTERY;
3537         }
3538
3539         switch (features->type) {
3540         case PL:
3541         case DTU:
3542         case DTUS:
3543         case DTUSX:
3544         case WACOM_21UX2:
3545         case WACOM_22HD:
3546         case DTK:
3547         case WACOM_24HD:
3548         case WACOM_27QHD:
3549         case CINTIQ_HYBRID:
3550         case CINTIQ_COMPANION_2:
3551         case CINTIQ:
3552         case WACOM_BEE:
3553         case WACOM_13HD:
3554         case WACOM_24HDT:
3555         case WACOM_27QHDT:
3556         case TABLETPC:
3557         case TABLETPCE:
3558         case TABLETPC2FG:
3559         case MTSCREEN:
3560         case MTTPC:
3561         case MTTPC_B:
3562                 features->device_type |= WACOM_DEVICETYPE_DIRECT;
3563                 break;
3564         }
3565
3566         if (wacom->hdev->bus == BUS_BLUETOOTH)
3567                 features->quirks |= WACOM_QUIRK_BATTERY;
3568
3569         /* quirk for bamboo touch with 2 low res touches */
3570         if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3571             features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3572                 features->x_max <<= 5;
3573                 features->y_max <<= 5;
3574                 features->x_fuzz <<= 5;
3575                 features->y_fuzz <<= 5;
3576                 features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3577         }
3578
3579         if (features->type == WIRELESS) {
3580                 if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3581                         features->quirks |= WACOM_QUIRK_BATTERY;
3582                 }
3583         }
3584
3585         if (features->type == REMOTE)
3586                 features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3587
3588         /* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
3589          * of things it shouldn't. Lets fix up the damage...
3590          */
3591         if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
3592                 features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
3593                 __clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
3594                 __clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
3595                 __clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
3596                 __clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
3597                 __clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
3598                 __clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
3599                 __clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
3600                 __clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
3601                 __clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
3602                 __clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
3603                 __clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
3604         }
3605 }
3606
3607 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3608                                    struct wacom_wac *wacom_wac)
3609 {
3610         struct wacom_features *features = &wacom_wac->features;
3611
3612         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3613
3614         if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3615                 return -ENODEV;
3616
3617         if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3618                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3619         else
3620                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3621
3622         if (features->type == HID_GENERIC) {
3623                 /* setup has already been done; apply otherwise-undetectible quirks */
3624                 input_set_capability(input_dev, EV_KEY, BTN_STYLUS3);
3625                 return 0;
3626         }
3627
3628         __set_bit(BTN_TOUCH, input_dev->keybit);
3629         __set_bit(ABS_MISC, input_dev->absbit);
3630
3631         input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3632                              features->x_max - features->offset_right,
3633                              features->x_fuzz, 0);
3634         input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3635                              features->y_max - features->offset_bottom,
3636                              features->y_fuzz, 0);
3637         input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3638                 features->pressure_max, features->pressure_fuzz, 0);
3639
3640         /* penabled devices have fixed resolution for each model */
3641         input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3642         input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3643
3644         switch (features->type) {
3645         case GRAPHIRE_BT:
3646                 __clear_bit(ABS_MISC, input_dev->absbit);
3647                 /* fall through */
3648
3649         case WACOM_MO:
3650         case WACOM_G4:
3651                 input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3652                                               features->distance_max,
3653                                               features->distance_fuzz, 0);
3654                 /* fall through */
3655
3656         case GRAPHIRE:
3657                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
3658
3659                 __set_bit(BTN_LEFT, input_dev->keybit);
3660                 __set_bit(BTN_RIGHT, input_dev->keybit);
3661                 __set_bit(BTN_MIDDLE, input_dev->keybit);
3662
3663                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3664                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3665                 __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3666                 __set_bit(BTN_STYLUS, input_dev->keybit);
3667                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3668                 break;
3669
3670         case WACOM_27QHD:
3671         case WACOM_24HD:
3672         case DTK:
3673         case WACOM_22HD:
3674         case WACOM_21UX2:
3675         case WACOM_BEE:
3676         case CINTIQ:
3677         case WACOM_13HD:
3678         case CINTIQ_HYBRID:
3679         case CINTIQ_COMPANION_2:
3680                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3681                 input_abs_set_res(input_dev, ABS_Z, 287);
3682                 wacom_setup_cintiq(wacom_wac);
3683                 break;
3684
3685         case INTUOS3:
3686         case INTUOS3L:
3687         case INTUOS3S:
3688         case INTUOS4:
3689         case INTUOS4WL:
3690         case INTUOS4L:
3691         case INTUOS4S:
3692                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3693                 input_abs_set_res(input_dev, ABS_Z, 287);
3694                 /* fall through */
3695
3696         case INTUOS:
3697                 wacom_setup_intuos(wacom_wac);
3698                 break;
3699
3700         case INTUOS5:
3701         case INTUOS5L:
3702         case INTUOSPM:
3703         case INTUOSPL:
3704         case INTUOS5S:
3705         case INTUOSPS:
3706         case INTUOSP2_BT:
3707         case INTUOSP2S_BT:
3708                 input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3709                                       features->distance_max,
3710                                       features->distance_fuzz, 0);
3711
3712                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3713                 input_abs_set_res(input_dev, ABS_Z, 287);
3714
3715                 wacom_setup_intuos(wacom_wac);
3716                 break;
3717
3718         case WACOM_24HDT:
3719         case WACOM_27QHDT:
3720         case MTSCREEN:
3721         case MTTPC:
3722         case MTTPC_B:
3723         case TABLETPC2FG:
3724         case TABLETPC:
3725         case TABLETPCE:
3726                 __clear_bit(ABS_MISC, input_dev->absbit);
3727                 /* fall through */
3728
3729         case DTUS:
3730         case DTUSX:
3731         case PL:
3732         case DTU:
3733                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3734                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3735                 __set_bit(BTN_STYLUS, input_dev->keybit);
3736                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3737                 break;
3738
3739         case PTU:
3740                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3741                 /* fall through */
3742
3743         case PENPARTNER:
3744                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3745                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3746                 __set_bit(BTN_STYLUS, input_dev->keybit);
3747                 break;
3748
3749         case INTUOSHT:
3750         case BAMBOO_PT:
3751         case BAMBOO_PEN:
3752         case INTUOSHT2:
3753         case INTUOSHT3_BT:
3754                 if (features->type == INTUOSHT2 ||
3755                     features->type == INTUOSHT3_BT) {
3756                         wacom_setup_basic_pro_pen(wacom_wac);
3757                 } else {
3758                         __clear_bit(ABS_MISC, input_dev->absbit);
3759                         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3760                         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3761                         __set_bit(BTN_STYLUS, input_dev->keybit);
3762                         __set_bit(BTN_STYLUS2, input_dev->keybit);
3763                         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3764                                       features->distance_max,
3765                                       features->distance_fuzz, 0);
3766                 }
3767                 break;
3768         case BAMBOO_PAD:
3769                 __clear_bit(ABS_MISC, input_dev->absbit);
3770                 break;
3771         }
3772         return 0;
3773 }
3774
3775 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3776                                          struct wacom_wac *wacom_wac)
3777 {
3778         struct wacom_features *features = &wacom_wac->features;
3779
3780         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3781
3782         if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3783                 return -ENODEV;
3784
3785         if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3786                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3787         else
3788                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3789
3790         if (features->type == HID_GENERIC)
3791                 /* setup has already been done */
3792                 return 0;
3793
3794         __set_bit(BTN_TOUCH, input_dev->keybit);
3795
3796         if (features->touch_max == 1) {
3797                 input_set_abs_params(input_dev, ABS_X, 0,
3798                         features->x_max, features->x_fuzz, 0);
3799                 input_set_abs_params(input_dev, ABS_Y, 0,
3800                         features->y_max, features->y_fuzz, 0);
3801                 input_abs_set_res(input_dev, ABS_X,
3802                                   features->x_resolution);
3803                 input_abs_set_res(input_dev, ABS_Y,
3804                                   features->y_resolution);
3805         }
3806         else if (features->touch_max > 1) {
3807                 input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3808                         features->x_max, features->x_fuzz, 0);
3809                 input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3810                         features->y_max, features->y_fuzz, 0);
3811                 input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3812                                   features->x_resolution);
3813                 input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3814                                   features->y_resolution);
3815         }
3816
3817         switch (features->type) {
3818         case INTUOSP2_BT:
3819         case INTUOSP2S_BT:
3820                 input_dev->evbit[0] |= BIT_MASK(EV_SW);
3821                 __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3822
3823                 if (wacom_wac->shared->touch->product == 0x361) {
3824                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3825                                              0, 12440, 4, 0);
3826                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3827                                              0, 8640, 4, 0);
3828                 }
3829                 else if (wacom_wac->shared->touch->product == 0x360) {
3830                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3831                                              0, 8960, 4, 0);
3832                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3833                                              0, 5920, 4, 0);
3834                 }
3835                 else if (wacom_wac->shared->touch->product == 0x393) {
3836                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3837                                              0, 6400, 4, 0);
3838                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3839                                              0, 4000, 4, 0);
3840                 }
3841                 input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3842                 input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40);
3843
3844                 /* fall through */
3845
3846         case INTUOS5:
3847         case INTUOS5L:
3848         case INTUOSPM:
3849         case INTUOSPL:
3850         case INTUOS5S:
3851         case INTUOSPS:
3852                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3853                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3854                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3855                 break;
3856
3857         case WACOM_24HDT:
3858                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3859                 input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3860                 input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3861                 input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3862                 /* fall through */
3863
3864         case WACOM_27QHDT:
3865                 if (wacom_wac->shared->touch->product == 0x32C ||
3866                     wacom_wac->shared->touch->product == 0xF6) {
3867                         input_dev->evbit[0] |= BIT_MASK(EV_SW);
3868                         __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3869                         wacom_wac->shared->has_mute_touch_switch = true;
3870                 }
3871                 /* fall through */
3872
3873         case MTSCREEN:
3874         case MTTPC:
3875         case MTTPC_B:
3876         case TABLETPC2FG:
3877                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
3878                 /*fall through */
3879
3880         case TABLETPC:
3881         case TABLETPCE:
3882                 break;
3883
3884         case INTUOSHT:
3885         case INTUOSHT2:
3886                 input_dev->evbit[0] |= BIT_MASK(EV_SW);
3887                 __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3888                 /* fall through */
3889
3890         case BAMBOO_PT:
3891         case BAMBOO_TOUCH:
3892                 if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3893                         input_set_abs_params(input_dev,
3894                                      ABS_MT_TOUCH_MAJOR,
3895                                      0, features->x_max, 0, 0);
3896                         input_set_abs_params(input_dev,
3897                                      ABS_MT_TOUCH_MINOR,
3898                                      0, features->y_max, 0, 0);
3899                 }
3900                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3901                 break;
3902
3903         case BAMBOO_PAD:
3904                 input_mt_init_slots(input_dev, features->touch_max,
3905                                     INPUT_MT_POINTER);
3906                 __set_bit(BTN_LEFT, input_dev->keybit);
3907                 __set_bit(BTN_RIGHT, input_dev->keybit);
3908                 break;
3909         }
3910         return 0;
3911 }
3912
3913 static int wacom_numbered_button_to_key(int n)
3914 {
3915         if (n < 10)
3916                 return BTN_0 + n;
3917         else if (n < 16)
3918                 return BTN_A + (n-10);
3919         else if (n < 18)
3920                 return BTN_BASE + (n-16);
3921         else
3922                 return 0;
3923 }
3924
3925 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
3926                                 int button_count)
3927 {
3928         int i;
3929
3930         for (i = 0; i < button_count; i++) {
3931                 int key = wacom_numbered_button_to_key(i);
3932
3933                 if (key)
3934                         __set_bit(key, input_dev->keybit);
3935         }
3936 }
3937
3938 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
3939 {
3940         struct wacom_led *led;
3941         int i;
3942         bool updated = false;
3943
3944         /*
3945          * 24HD has LED group 1 to the left and LED group 0 to the right.
3946          * So group 0 matches the second half of the buttons and thus the mask
3947          * needs to be shifted.
3948          */
3949         if (group == 0)
3950                 mask >>= 8;
3951
3952         for (i = 0; i < 3; i++) {
3953                 led = wacom_led_find(wacom, group, i);
3954                 if (!led) {
3955                         hid_err(wacom->hdev, "can't find LED %d in group %d\n",
3956                                 i, group);
3957                         continue;
3958                 }
3959                 if (!updated && mask & BIT(i)) {
3960                         led->held = true;
3961                         led_trigger_event(&led->trigger, LED_FULL);
3962                 } else {
3963                         led->held = false;
3964                 }
3965         }
3966 }
3967
3968 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
3969                                  int mask, int group)
3970 {
3971         int group_button;
3972
3973         /*
3974          * 21UX2 has LED group 1 to the left and LED group 0
3975          * to the right. We need to reverse the group to match this
3976          * historical behavior.
3977          */
3978         if (wacom->wacom_wac.features.type == WACOM_21UX2)
3979                 group = 1 - group;
3980
3981         group_button = group * (button_count/wacom->led.count);
3982
3983         if (wacom->wacom_wac.features.type == INTUOSP2_BT)
3984                 group_button = 8;
3985
3986         return mask & (1 << group_button);
3987 }
3988
3989 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
3990                              int group)
3991 {
3992         struct wacom_led *led, *next_led;
3993         int cur;
3994         bool pressed;
3995
3996         if (wacom->wacom_wac.features.type == WACOM_24HD)
3997                 return wacom_24hd_update_leds(wacom, mask, group);
3998
3999         pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
4000         cur = wacom->led.groups[group].select;
4001
4002         led = wacom_led_find(wacom, group, cur);
4003         if (!led) {
4004                 hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
4005                         cur, group);
4006                 return;
4007         }
4008
4009         if (!pressed) {
4010                 led->held = false;
4011                 return;
4012         }
4013
4014         if (led->held && pressed)
4015                 return;
4016
4017         next_led = wacom_led_next(wacom, led);
4018         if (!next_led) {
4019                 hid_err(wacom->hdev, "can't find next LED in group %d\n",
4020                         group);
4021                 return;
4022         }
4023         if (next_led == led)
4024                 return;
4025
4026         next_led->held = true;
4027         led_trigger_event(&next_led->trigger,
4028                           wacom_leds_brightness_get(next_led));
4029 }
4030
4031 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
4032                                 int button_count, int mask)
4033 {
4034         struct wacom *wacom = input_get_drvdata(input_dev);
4035         int i;
4036
4037         for (i = 0; i < wacom->led.count; i++)
4038                 wacom_update_led(wacom,  button_count, mask, i);
4039
4040         for (i = 0; i < button_count; i++) {
4041                 int key = wacom_numbered_button_to_key(i);
4042
4043                 if (key)
4044                         input_report_key(input_dev, key, mask & (1 << i));
4045         }
4046 }
4047
4048 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
4049                                    struct wacom_wac *wacom_wac)
4050 {
4051         struct wacom_features *features = &wacom_wac->features;
4052
4053         if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
4054                 features->device_type |= WACOM_DEVICETYPE_PAD;
4055
4056         if (!(features->device_type & WACOM_DEVICETYPE_PAD))
4057                 return -ENODEV;
4058
4059         if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
4060                 return -ENODEV;
4061
4062         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
4063
4064         /* kept for making legacy xf86-input-wacom working with the wheels */
4065         __set_bit(ABS_MISC, input_dev->absbit);
4066
4067         /* kept for making legacy xf86-input-wacom accepting the pad */
4068         if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
4069               input_dev->absinfo[ABS_X].maximum)))
4070                 input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
4071         if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
4072               input_dev->absinfo[ABS_Y].maximum)))
4073                 input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
4074
4075         /* kept for making udev and libwacom accepting the pad */
4076         __set_bit(BTN_STYLUS, input_dev->keybit);
4077
4078         wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
4079
4080         switch (features->type) {
4081
4082         case CINTIQ_HYBRID:
4083         case CINTIQ_COMPANION_2:
4084         case DTK:
4085         case DTUS:
4086         case GRAPHIRE_BT:
4087                 break;
4088
4089         case WACOM_MO:
4090                 __set_bit(BTN_BACK, input_dev->keybit);
4091                 __set_bit(BTN_LEFT, input_dev->keybit);
4092                 __set_bit(BTN_FORWARD, input_dev->keybit);
4093                 __set_bit(BTN_RIGHT, input_dev->keybit);
4094                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4095                 break;
4096
4097         case WACOM_G4:
4098                 __set_bit(BTN_BACK, input_dev->keybit);
4099                 __set_bit(BTN_FORWARD, input_dev->keybit);
4100                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
4101                 break;
4102
4103         case WACOM_24HD:
4104                 __set_bit(KEY_PROG1, input_dev->keybit);
4105                 __set_bit(KEY_PROG2, input_dev->keybit);
4106                 __set_bit(KEY_PROG3, input_dev->keybit);
4107
4108                 __set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4109                 __set_bit(KEY_INFO, input_dev->keybit);
4110
4111                 if (!features->oPid)
4112                         __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4113
4114                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4115                 input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
4116                 break;
4117
4118         case WACOM_27QHD:
4119                 __set_bit(KEY_PROG1, input_dev->keybit);
4120                 __set_bit(KEY_PROG2, input_dev->keybit);
4121                 __set_bit(KEY_PROG3, input_dev->keybit);
4122
4123                 __set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4124                 __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4125
4126                 if (!features->oPid)
4127                         __set_bit(KEY_CONTROLPANEL, input_dev->keybit);
4128                 input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
4129                 input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
4130                 input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
4131                 input_abs_set_res(input_dev, ABS_Y, 1024);
4132                 input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
4133                 input_abs_set_res(input_dev, ABS_Z, 1024);
4134                 __set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
4135                 break;
4136
4137         case WACOM_22HD:
4138                 __set_bit(KEY_PROG1, input_dev->keybit);
4139                 __set_bit(KEY_PROG2, input_dev->keybit);
4140                 __set_bit(KEY_PROG3, input_dev->keybit);
4141
4142                 __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4143                 __set_bit(KEY_INFO, input_dev->keybit);
4144                 /* fall through */
4145
4146         case WACOM_21UX2:
4147         case WACOM_BEE:
4148         case CINTIQ:
4149                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4150                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4151                 break;
4152
4153         case WACOM_13HD:
4154                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4155                 break;
4156
4157         case INTUOS3:
4158         case INTUOS3L:
4159                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4160                 /* fall through */
4161
4162         case INTUOS3S:
4163                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4164                 break;
4165
4166         case INTUOS5:
4167         case INTUOS5L:
4168         case INTUOSPM:
4169         case INTUOSPL:
4170         case INTUOS5S:
4171         case INTUOSPS:
4172         case INTUOSP2_BT:
4173         case INTUOSP2S_BT:
4174                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4175                 break;
4176
4177         case INTUOS4WL:
4178                 /*
4179                  * For Bluetooth devices, the udev rule does not work correctly
4180                  * for pads unless we add a stylus capability, which forces
4181                  * ID_INPUT_TABLET to be set.
4182                  */
4183                 __set_bit(BTN_STYLUS, input_dev->keybit);
4184                 /* fall through */
4185
4186         case INTUOS4:
4187         case INTUOS4L:
4188         case INTUOS4S:
4189                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4190                 break;
4191
4192         case INTUOSHT:
4193         case BAMBOO_PT:
4194         case BAMBOO_TOUCH:
4195         case INTUOSHT2:
4196                 __clear_bit(ABS_MISC, input_dev->absbit);
4197
4198                 __set_bit(BTN_LEFT, input_dev->keybit);
4199                 __set_bit(BTN_FORWARD, input_dev->keybit);
4200                 __set_bit(BTN_BACK, input_dev->keybit);
4201                 __set_bit(BTN_RIGHT, input_dev->keybit);
4202
4203                 break;
4204
4205         case REMOTE:
4206                 input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
4207                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4208                 break;
4209
4210         case INTUOSHT3_BT:
4211         case HID_GENERIC:
4212                 break;
4213
4214         default:
4215                 /* no pad supported */
4216                 return -ENODEV;
4217         }
4218         return 0;
4219 }
4220
4221 static const struct wacom_features wacom_features_0x00 =
4222         { "Wacom Penpartner", 5040, 3780, 255, 0,
4223           PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4224 static const struct wacom_features wacom_features_0x10 =
4225         { "Wacom Graphire", 10206, 7422, 511, 63,
4226           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4227 static const struct wacom_features wacom_features_0x81 =
4228         { "Wacom Graphire BT", 16704, 12064, 511, 32,
4229           GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
4230 static const struct wacom_features wacom_features_0x11 =
4231         { "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
4232           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4233 static const struct wacom_features wacom_features_0x12 =
4234         { "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
4235           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4236 static const struct wacom_features wacom_features_0x13 =
4237         { "Wacom Graphire3", 10208, 7424, 511, 63,
4238           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4239 static const struct wacom_features wacom_features_0x14 =
4240         { "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
4241           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4242 static const struct wacom_features wacom_features_0x15 =
4243         { "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
4244           WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4245 static const struct wacom_features wacom_features_0x16 =
4246         { "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
4247           WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4248 static const struct wacom_features wacom_features_0x17 =
4249         { "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
4250           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4251 static const struct wacom_features wacom_features_0x18 =
4252         { "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
4253           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4254 static const struct wacom_features wacom_features_0x19 =
4255         { "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
4256           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4257 static const struct wacom_features wacom_features_0x60 =
4258         { "Wacom Volito", 5104, 3712, 511, 63,
4259           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4260 static const struct wacom_features wacom_features_0x61 =
4261         { "Wacom PenStation2", 3250, 2320, 255, 63,
4262           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4263 static const struct wacom_features wacom_features_0x62 =
4264         { "Wacom Volito2 4x5", 5104, 3712, 511, 63,
4265           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4266 static const struct wacom_features wacom_features_0x63 =
4267         { "Wacom Volito2 2x3", 3248, 2320, 511, 63,
4268           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4269 static const struct wacom_features wacom_features_0x64 =
4270         { "Wacom PenPartner2", 3250, 2320, 511, 63,
4271           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4272 static const struct wacom_features wacom_features_0x65 =
4273         { "Wacom Bamboo", 14760, 9225, 511, 63,
4274           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4275 static const struct wacom_features wacom_features_0x69 =
4276         { "Wacom Bamboo1", 5104, 3712, 511, 63,
4277           GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4278 static const struct wacom_features wacom_features_0x6A =
4279         { "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
4280           GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4281 static const struct wacom_features wacom_features_0x6B =
4282         { "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
4283           GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4284 static const struct wacom_features wacom_features_0x20 =
4285         { "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
4286           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4287 static const struct wacom_features wacom_features_0x21 =
4288         { "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
4289           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4290 static const struct wacom_features wacom_features_0x22 =
4291         { "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
4292           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4293 static const struct wacom_features wacom_features_0x23 =
4294         { "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
4295           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4296 static const struct wacom_features wacom_features_0x24 =
4297         { "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
4298           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4299 static const struct wacom_features wacom_features_0x30 =
4300         { "Wacom PL400", 5408, 4056, 255, 0,
4301           PL, WACOM_PL_RES, WACOM_PL_RES };
4302 static const struct wacom_features wacom_features_0x31 =
4303         { "Wacom PL500", 6144, 4608, 255, 0,
4304           PL, WACOM_PL_RES, WACOM_PL_RES };
4305 static const struct wacom_features wacom_features_0x32 =
4306         { "Wacom PL600", 6126, 4604, 255, 0,
4307           PL, WACOM_PL_RES, WACOM_PL_RES };
4308 static const struct wacom_features wacom_features_0x33 =
4309         { "Wacom PL600SX", 6260, 5016, 255, 0,
4310           PL, WACOM_PL_RES, WACOM_PL_RES };
4311 static const struct wacom_features wacom_features_0x34 =
4312         { "Wacom PL550", 6144, 4608, 511, 0,
4313           PL, WACOM_PL_RES, WACOM_PL_RES };
4314 static const struct wacom_features wacom_features_0x35 =
4315         { "Wacom PL800", 7220, 5780, 511, 0,
4316           PL, WACOM_PL_RES, WACOM_PL_RES };
4317 static const struct wacom_features wacom_features_0x37 =
4318         { "Wacom PL700", 6758, 5406, 511, 0,
4319           PL, WACOM_PL_RES, WACOM_PL_RES };
4320 static const struct wacom_features wacom_features_0x38 =
4321         { "Wacom PL510", 6282, 4762, 511, 0,
4322           PL, WACOM_PL_RES, WACOM_PL_RES };
4323 static const struct wacom_features wacom_features_0x39 =
4324         { "Wacom DTU710", 34080, 27660, 511, 0,
4325           PL, WACOM_PL_RES, WACOM_PL_RES };
4326 static const struct wacom_features wacom_features_0xC4 =
4327         { "Wacom DTF521", 6282, 4762, 511, 0,
4328           PL, WACOM_PL_RES, WACOM_PL_RES };
4329 static const struct wacom_features wacom_features_0xC0 =
4330         { "Wacom DTF720", 6858, 5506, 511, 0,
4331           PL, WACOM_PL_RES, WACOM_PL_RES };
4332 static const struct wacom_features wacom_features_0xC2 =
4333         { "Wacom DTF720a", 6858, 5506, 511, 0,
4334           PL, WACOM_PL_RES, WACOM_PL_RES };
4335 static const struct wacom_features wacom_features_0x03 =
4336         { "Wacom Cintiq Partner", 20480, 15360, 511, 0,
4337           PTU, WACOM_PL_RES, WACOM_PL_RES };
4338 static const struct wacom_features wacom_features_0x41 =
4339         { "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
4340           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4341 static const struct wacom_features wacom_features_0x42 =
4342         { "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4343           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4344 static const struct wacom_features wacom_features_0x43 =
4345         { "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4346           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4347 static const struct wacom_features wacom_features_0x44 =
4348         { "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4349           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4350 static const struct wacom_features wacom_features_0x45 =
4351         { "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4352           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4353 static const struct wacom_features wacom_features_0xB0 =
4354         { "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4355           INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4356 static const struct wacom_features wacom_features_0xB1 =
4357         { "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4358           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4359 static const struct wacom_features wacom_features_0xB2 =
4360         { "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4361           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4362 static const struct wacom_features wacom_features_0xB3 =
4363         { "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4364           INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4365 static const struct wacom_features wacom_features_0xB4 =
4366         { "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4367           INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4368 static const struct wacom_features wacom_features_0xB5 =
4369         { "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4370           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4371 static const struct wacom_features wacom_features_0xB7 =
4372         { "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4373           INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4374 static const struct wacom_features wacom_features_0xB8 =
4375         { "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4376           INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4377 static const struct wacom_features wacom_features_0xB9 =
4378         { "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4379           INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4380 static const struct wacom_features wacom_features_0xBA =
4381         { "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4382           INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4383 static const struct wacom_features wacom_features_0xBB =
4384         { "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4385           INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4386 static const struct wacom_features wacom_features_0xBC =
4387         { "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4388           INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4389 static const struct wacom_features wacom_features_0xBD =
4390         { "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4391           INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4392 static const struct wacom_features wacom_features_0x26 =
4393         { "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4394           INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4395 static const struct wacom_features wacom_features_0x27 =
4396         { "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4397           INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4398 static const struct wacom_features wacom_features_0x28 =
4399         { "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4400           INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4401 static const struct wacom_features wacom_features_0x29 =
4402         { "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4403           INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4404 static const struct wacom_features wacom_features_0x2A =
4405         { "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4406           INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4407 static const struct wacom_features wacom_features_0x314 =
4408         { "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4409           INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4410           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4411 static const struct wacom_features wacom_features_0x315 =
4412         { "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4413           INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4414           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4415 static const struct wacom_features wacom_features_0x317 =
4416         { "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4417           INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4418           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4419 static const struct wacom_features wacom_features_0xF4 =
4420         { "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4421           WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4422           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4423           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4424 static const struct wacom_features wacom_features_0xF8 =
4425         { "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4426           WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4427           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4428           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4429           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4430 static const struct wacom_features wacom_features_0xF6 =
4431         { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4432           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4433           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4434 static const struct wacom_features wacom_features_0x32A =
4435         { "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4436           WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4437           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4438           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4439 static const struct wacom_features wacom_features_0x32B =
4440         { "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4441           WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4442           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4443           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4444           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4445 static const struct wacom_features wacom_features_0x32C =
4446         { "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4447           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4448 static const struct wacom_features wacom_features_0x3F =
4449         { "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4450           CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4451 static const struct wacom_features wacom_features_0xC5 =
4452         { "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4453           WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4454 static const struct wacom_features wacom_features_0xC6 =
4455         { "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4456           WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4457 static const struct wacom_features wacom_features_0x304 =
4458         { "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4459           WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4460           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4461           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4462 static const struct wacom_features wacom_features_0x333 =
4463         { "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4464           WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4465           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4466           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4467           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4468 static const struct wacom_features wacom_features_0x335 =
4469         { "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4470           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4471           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4472 static const struct wacom_features wacom_features_0xC7 =
4473         { "Wacom DTU1931", 37832, 30305, 511, 0,
4474           PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4475 static const struct wacom_features wacom_features_0xCE =
4476         { "Wacom DTU2231", 47864, 27011, 511, 0,
4477           DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4478           .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4479 static const struct wacom_features wacom_features_0xF0 =
4480         { "Wacom DTU1631", 34623, 19553, 511, 0,
4481           DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4482 static const struct wacom_features wacom_features_0xFB =
4483         { "Wacom DTU1031", 22096, 13960, 511, 0,
4484           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4485           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4486           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4487 static const struct wacom_features wacom_features_0x32F =
4488         { "Wacom DTU1031X", 22672, 12928, 511, 0,
4489           DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4490           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4491           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4492 static const struct wacom_features wacom_features_0x336 =
4493         { "Wacom DTU1141", 23672, 13403, 1023, 0,
4494           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4495           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4496           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4497 static const struct wacom_features wacom_features_0x57 =
4498         { "Wacom DTK2241", 95840, 54260, 2047, 63,
4499           DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4500           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4501           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4502 static const struct wacom_features wacom_features_0x59 = /* Pen */
4503         { "Wacom DTH2242", 95840, 54260, 2047, 63,
4504           DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4505           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4506           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4507           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4508 static const struct wacom_features wacom_features_0x5D = /* Touch */
4509         { "Wacom DTH2242",       .type = WACOM_24HDT,
4510           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4511           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4512 static const struct wacom_features wacom_features_0xCC =
4513         { "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4514           WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4515           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4516           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4517 static const struct wacom_features wacom_features_0xFA =
4518         { "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4519           WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4520           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4521           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4522 static const struct wacom_features wacom_features_0x5B =
4523         { "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4524           WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4525           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4526           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4527           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4528 static const struct wacom_features wacom_features_0x5E =
4529         { "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4530           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4531           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4532 static const struct wacom_features wacom_features_0x90 =
4533         { "Wacom ISDv4 90", 26202, 16325, 255, 0,
4534           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4535 static const struct wacom_features wacom_features_0x93 =
4536         { "Wacom ISDv4 93", 26202, 16325, 255, 0,
4537           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4538 static const struct wacom_features wacom_features_0x97 =
4539         { "Wacom ISDv4 97", 26202, 16325, 511, 0,
4540           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4541 static const struct wacom_features wacom_features_0x9A =
4542         { "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4543           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4544 static const struct wacom_features wacom_features_0x9F =
4545         { "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4546           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4547 static const struct wacom_features wacom_features_0xE2 =
4548         { "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4549           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4550 static const struct wacom_features wacom_features_0xE3 =
4551         { "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4552           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4553 static const struct wacom_features wacom_features_0xE5 =
4554         { "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4555           MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4556 static const struct wacom_features wacom_features_0xE6 =
4557         { "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4558           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4559 static const struct wacom_features wacom_features_0xEC =
4560         { "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4561           TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4562 static const struct wacom_features wacom_features_0xED =
4563         { "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4564           TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4565 static const struct wacom_features wacom_features_0xEF =
4566         { "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4567           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4568 static const struct wacom_features wacom_features_0x100 =
4569         { "Wacom ISDv4 100", 26202, 16325, 255, 0,
4570           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4571 static const struct wacom_features wacom_features_0x101 =
4572         { "Wacom ISDv4 101", 26202, 16325, 255, 0,
4573           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4574 static const struct wacom_features wacom_features_0x10D =
4575         { "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4576           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4577 static const struct wacom_features wacom_features_0x10E =
4578         { "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4579           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4580 static const struct wacom_features wacom_features_0x10F =
4581         { "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4582           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4583 static const struct wacom_features wacom_features_0x116 =
4584         { "Wacom ISDv4 116", 26202, 16325, 255, 0,
4585           TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4586 static const struct wacom_features wacom_features_0x12C =
4587         { "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4588           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4589 static const struct wacom_features wacom_features_0x4001 =
4590         { "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4591           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4592 static const struct wacom_features wacom_features_0x4004 =
4593         { "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4594           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4595 static const struct wacom_features wacom_features_0x5000 =
4596         { "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4597           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4598 static const struct wacom_features wacom_features_0x5002 =
4599         { "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4600           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4601 static const struct wacom_features wacom_features_0x47 =
4602         { "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4603           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4604 static const struct wacom_features wacom_features_0x84 =
4605         { "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4606 static const struct wacom_features wacom_features_0xD0 =
4607         { "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4608           BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4609 static const struct wacom_features wacom_features_0xD1 =
4610         { "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4611           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4612 static const struct wacom_features wacom_features_0xD2 =
4613         { "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4614           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4615 static const struct wacom_features wacom_features_0xD3 =
4616         { "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4617           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4618 static const struct wacom_features wacom_features_0xD4 =
4619         { "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4620           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4621 static const struct wacom_features wacom_features_0xD5 =
4622         { "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4623           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4624 static const struct wacom_features wacom_features_0xD6 =
4625         { "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4626           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4627 static const struct wacom_features wacom_features_0xD7 =
4628         { "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4629           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4630 static const struct wacom_features wacom_features_0xD8 =
4631         { "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4632           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4633 static const struct wacom_features wacom_features_0xDA =
4634         { "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4635           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4636 static const struct wacom_features wacom_features_0xDB =
4637         { "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4638           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4639 static const struct wacom_features wacom_features_0xDD =
4640         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4641           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4642 static const struct wacom_features wacom_features_0xDE =
4643         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4644           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4645 static const struct wacom_features wacom_features_0xDF =
4646         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4647           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4648 static const struct wacom_features wacom_features_0x300 =
4649         { "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4650           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4651 static const struct wacom_features wacom_features_0x301 =
4652         { "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4653           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4654 static const struct wacom_features wacom_features_0x302 =
4655         { "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4656           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4657           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4658 static const struct wacom_features wacom_features_0x303 =
4659         { "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4660           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4661           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4662 static const struct wacom_features wacom_features_0x30E =
4663         { "Wacom Intuos S", 15200, 9500, 1023, 31,
4664           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4665           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4666 static const struct wacom_features wacom_features_0x6004 =
4667         { "ISD-V4", 12800, 8000, 255, 0,
4668           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4669 static const struct wacom_features wacom_features_0x307 =
4670         { "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4671           CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4672           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4673           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4674           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4675 static const struct wacom_features wacom_features_0x309 =
4676         { "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4677           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4678           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4679 static const struct wacom_features wacom_features_0x30A =
4680         { "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4681           CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4682           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4683           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4684           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4685 static const struct wacom_features wacom_features_0x30C =
4686         { "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4687           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4688           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4689 static const struct wacom_features wacom_features_0x318 =
4690         { "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4691           .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4692 static const struct wacom_features wacom_features_0x319 =
4693         { "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4694           .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4695 static const struct wacom_features wacom_features_0x325 =
4696         { "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4697           CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4698           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4699           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4700           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4701 static const struct wacom_features wacom_features_0x326 = /* Touch */
4702         { "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4703           .oPid = 0x325 };
4704 static const struct wacom_features wacom_features_0x323 =
4705         { "Wacom Intuos P M", 21600, 13500, 1023, 31,
4706           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4707           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4708 static const struct wacom_features wacom_features_0x331 =
4709         { "Wacom Express Key Remote", .type = REMOTE,
4710           .numbered_buttons = 18, .check_for_hid_type = true,
4711           .hid_type = HID_TYPE_USBNONE };
4712 static const struct wacom_features wacom_features_0x33B =
4713         { "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4714           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4715           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4716 static const struct wacom_features wacom_features_0x33C =
4717         { "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4718           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4719           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4720 static const struct wacom_features wacom_features_0x33D =
4721         { "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4722           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4723           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4724 static const struct wacom_features wacom_features_0x33E =
4725         { "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4726           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4727           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4728 static const struct wacom_features wacom_features_0x343 =
4729         { "Wacom DTK1651", 34816, 19759, 1023, 0,
4730           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4731           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4732           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4733 static const struct wacom_features wacom_features_0x360 =
4734         { "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4735           INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4736 static const struct wacom_features wacom_features_0x361 =
4737         { "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4738           INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4739 static const struct wacom_features wacom_features_0x377 =
4740         { "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4741           INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4742 static const struct wacom_features wacom_features_0x379 =
4743         { "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4744           INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4745 static const struct wacom_features wacom_features_0x37A =
4746         { "Wacom One by Wacom S", 15200, 9500, 2047, 63,
4747           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4748 static const struct wacom_features wacom_features_0x37B =
4749         { "Wacom One by Wacom M", 21600, 13500, 2047, 63,
4750           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4751 static const struct wacom_features wacom_features_0x393 =
4752         { "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4753           INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4754           .touch_max = 10 };
4755
4756 static const struct wacom_features wacom_features_HID_ANY_ID =
4757         { "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4758
4759 #define USB_DEVICE_WACOM(prod)                                          \
4760         HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4761         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4762
4763 #define BT_DEVICE_WACOM(prod)                                           \
4764         HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4765         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4766
4767 #define I2C_DEVICE_WACOM(prod)                                          \
4768         HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4769         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4770
4771 #define USB_DEVICE_LENOVO(prod)                                 \
4772         HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),                     \
4773         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4774
4775 const struct hid_device_id wacom_ids[] = {
4776         { USB_DEVICE_WACOM(0x00) },
4777         { USB_DEVICE_WACOM(0x03) },
4778         { USB_DEVICE_WACOM(0x10) },
4779         { USB_DEVICE_WACOM(0x11) },
4780         { USB_DEVICE_WACOM(0x12) },
4781         { USB_DEVICE_WACOM(0x13) },
4782         { USB_DEVICE_WACOM(0x14) },
4783         { USB_DEVICE_WACOM(0x15) },
4784         { USB_DEVICE_WACOM(0x16) },
4785         { USB_DEVICE_WACOM(0x17) },
4786         { USB_DEVICE_WACOM(0x18) },
4787         { USB_DEVICE_WACOM(0x19) },
4788         { USB_DEVICE_WACOM(0x20) },
4789         { USB_DEVICE_WACOM(0x21) },
4790         { USB_DEVICE_WACOM(0x22) },
4791         { USB_DEVICE_WACOM(0x23) },
4792         { USB_DEVICE_WACOM(0x24) },
4793         { USB_DEVICE_WACOM(0x26) },
4794         { USB_DEVICE_WACOM(0x27) },
4795         { USB_DEVICE_WACOM(0x28) },
4796         { USB_DEVICE_WACOM(0x29) },
4797         { USB_DEVICE_WACOM(0x2A) },
4798         { USB_DEVICE_WACOM(0x30) },
4799         { USB_DEVICE_WACOM(0x31) },
4800         { USB_DEVICE_WACOM(0x32) },
4801         { USB_DEVICE_WACOM(0x33) },
4802         { USB_DEVICE_WACOM(0x34) },
4803         { USB_DEVICE_WACOM(0x35) },
4804         { USB_DEVICE_WACOM(0x37) },
4805         { USB_DEVICE_WACOM(0x38) },
4806         { USB_DEVICE_WACOM(0x39) },
4807         { USB_DEVICE_WACOM(0x3F) },
4808         { USB_DEVICE_WACOM(0x41) },
4809         { USB_DEVICE_WACOM(0x42) },
4810         { USB_DEVICE_WACOM(0x43) },
4811         { USB_DEVICE_WACOM(0x44) },
4812         { USB_DEVICE_WACOM(0x45) },
4813         { USB_DEVICE_WACOM(0x47) },
4814         { USB_DEVICE_WACOM(0x57) },
4815         { USB_DEVICE_WACOM(0x59) },
4816         { USB_DEVICE_WACOM(0x5B) },
4817         { USB_DEVICE_WACOM(0x5D) },
4818         { USB_DEVICE_WACOM(0x5E) },
4819         { USB_DEVICE_WACOM(0x60) },
4820         { USB_DEVICE_WACOM(0x61) },
4821         { USB_DEVICE_WACOM(0x62) },
4822         { USB_DEVICE_WACOM(0x63) },
4823         { USB_DEVICE_WACOM(0x64) },
4824         { USB_DEVICE_WACOM(0x65) },
4825         { USB_DEVICE_WACOM(0x69) },
4826         { USB_DEVICE_WACOM(0x6A) },
4827         { USB_DEVICE_WACOM(0x6B) },
4828         { BT_DEVICE_WACOM(0x81) },
4829         { USB_DEVICE_WACOM(0x84) },
4830         { USB_DEVICE_WACOM(0x90) },
4831         { USB_DEVICE_WACOM(0x93) },
4832         { USB_DEVICE_WACOM(0x97) },
4833         { USB_DEVICE_WACOM(0x9A) },
4834         { USB_DEVICE_WACOM(0x9F) },
4835         { USB_DEVICE_WACOM(0xB0) },
4836         { USB_DEVICE_WACOM(0xB1) },
4837         { USB_DEVICE_WACOM(0xB2) },
4838         { USB_DEVICE_WACOM(0xB3) },
4839         { USB_DEVICE_WACOM(0xB4) },
4840         { USB_DEVICE_WACOM(0xB5) },
4841         { USB_DEVICE_WACOM(0xB7) },
4842         { USB_DEVICE_WACOM(0xB8) },
4843         { USB_DEVICE_WACOM(0xB9) },
4844         { USB_DEVICE_WACOM(0xBA) },
4845         { USB_DEVICE_WACOM(0xBB) },
4846         { USB_DEVICE_WACOM(0xBC) },
4847         { BT_DEVICE_WACOM(0xBD) },
4848         { USB_DEVICE_WACOM(0xC0) },
4849         { USB_DEVICE_WACOM(0xC2) },
4850         { USB_DEVICE_WACOM(0xC4) },
4851         { USB_DEVICE_WACOM(0xC5) },
4852         { USB_DEVICE_WACOM(0xC6) },
4853         { USB_DEVICE_WACOM(0xC7) },
4854         { USB_DEVICE_WACOM(0xCC) },
4855         { USB_DEVICE_WACOM(0xCE) },
4856         { USB_DEVICE_WACOM(0xD0) },
4857         { USB_DEVICE_WACOM(0xD1) },
4858         { USB_DEVICE_WACOM(0xD2) },
4859         { USB_DEVICE_WACOM(0xD3) },
4860         { USB_DEVICE_WACOM(0xD4) },
4861         { USB_DEVICE_WACOM(0xD5) },
4862         { USB_DEVICE_WACOM(0xD6) },
4863         { USB_DEVICE_WACOM(0xD7) },
4864         { USB_DEVICE_WACOM(0xD8) },
4865         { USB_DEVICE_WACOM(0xDA) },
4866         { USB_DEVICE_WACOM(0xDB) },
4867         { USB_DEVICE_WACOM(0xDD) },
4868         { USB_DEVICE_WACOM(0xDE) },
4869         { USB_DEVICE_WACOM(0xDF) },
4870         { USB_DEVICE_WACOM(0xE2) },
4871         { USB_DEVICE_WACOM(0xE3) },
4872         { USB_DEVICE_WACOM(0xE5) },
4873         { USB_DEVICE_WACOM(0xE6) },
4874         { USB_DEVICE_WACOM(0xEC) },
4875         { USB_DEVICE_WACOM(0xED) },
4876         { USB_DEVICE_WACOM(0xEF) },
4877         { USB_DEVICE_WACOM(0xF0) },
4878         { USB_DEVICE_WACOM(0xF4) },
4879         { USB_DEVICE_WACOM(0xF6) },
4880         { USB_DEVICE_WACOM(0xF8) },
4881         { USB_DEVICE_WACOM(0xFA) },
4882         { USB_DEVICE_WACOM(0xFB) },
4883         { USB_DEVICE_WACOM(0x100) },
4884         { USB_DEVICE_WACOM(0x101) },
4885         { USB_DEVICE_WACOM(0x10D) },
4886         { USB_DEVICE_WACOM(0x10E) },
4887         { USB_DEVICE_WACOM(0x10F) },
4888         { USB_DEVICE_WACOM(0x116) },
4889         { USB_DEVICE_WACOM(0x12C) },
4890         { USB_DEVICE_WACOM(0x300) },
4891         { USB_DEVICE_WACOM(0x301) },
4892         { USB_DEVICE_WACOM(0x302) },
4893         { USB_DEVICE_WACOM(0x303) },
4894         { USB_DEVICE_WACOM(0x304) },
4895         { USB_DEVICE_WACOM(0x307) },
4896         { USB_DEVICE_WACOM(0x309) },
4897         { USB_DEVICE_WACOM(0x30A) },
4898         { USB_DEVICE_WACOM(0x30C) },
4899         { USB_DEVICE_WACOM(0x30E) },
4900         { USB_DEVICE_WACOM(0x314) },
4901         { USB_DEVICE_WACOM(0x315) },
4902         { USB_DEVICE_WACOM(0x317) },
4903         { USB_DEVICE_WACOM(0x318) },
4904         { USB_DEVICE_WACOM(0x319) },
4905         { USB_DEVICE_WACOM(0x323) },
4906         { USB_DEVICE_WACOM(0x325) },
4907         { USB_DEVICE_WACOM(0x326) },
4908         { USB_DEVICE_WACOM(0x32A) },
4909         { USB_DEVICE_WACOM(0x32B) },
4910         { USB_DEVICE_WACOM(0x32C) },
4911         { USB_DEVICE_WACOM(0x32F) },
4912         { USB_DEVICE_WACOM(0x331) },
4913         { USB_DEVICE_WACOM(0x333) },
4914         { USB_DEVICE_WACOM(0x335) },
4915         { USB_DEVICE_WACOM(0x336) },
4916         { USB_DEVICE_WACOM(0x33B) },
4917         { USB_DEVICE_WACOM(0x33C) },
4918         { USB_DEVICE_WACOM(0x33D) },
4919         { USB_DEVICE_WACOM(0x33E) },
4920         { USB_DEVICE_WACOM(0x343) },
4921         { BT_DEVICE_WACOM(0x360) },
4922         { BT_DEVICE_WACOM(0x361) },
4923         { BT_DEVICE_WACOM(0x377) },
4924         { BT_DEVICE_WACOM(0x379) },
4925         { USB_DEVICE_WACOM(0x37A) },
4926         { USB_DEVICE_WACOM(0x37B) },
4927         { BT_DEVICE_WACOM(0x393) },
4928         { USB_DEVICE_WACOM(0x4001) },
4929         { USB_DEVICE_WACOM(0x4004) },
4930         { USB_DEVICE_WACOM(0x5000) },
4931         { USB_DEVICE_WACOM(0x5002) },
4932         { USB_DEVICE_LENOVO(0x6004) },
4933
4934         { USB_DEVICE_WACOM(HID_ANY_ID) },
4935         { I2C_DEVICE_WACOM(HID_ANY_ID) },
4936         { BT_DEVICE_WACOM(HID_ANY_ID) },
4937         { }
4938 };
4939 MODULE_DEVICE_TABLE(hid, wacom_ids);