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         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
 487         /* pad packets. Works as a second tool and is always in prox */
 488         if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
 489               data[0] == WACOM_REPORT_CINTIQPAD))
 490                 return 0;
 491
 492         if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
 493                 buttons = (data[3] << 1) | (data[2] & 0x01);
 494                 ring1 = data[1];
 495         } else if (features->type == DTK) {
 496                 buttons = data[6];
 497         } else if (features->type == WACOM_13HD) {
 498                 buttons = (data[4] << 1) | (data[3] & 0x01);
 499         } else if (features->type == WACOM_24HD) {
 500                 buttons = (data[8] << 8) | data[6];
 501                 ring1 = data[1];
 502                 ring2 = data[2];
 503
 504                 /*
 505                  * Three "buttons" are available on the 24HD which are
 506                  * physically implemented as a touchstrip. Each button
 507                  * is approximately 3 bits wide with a 2 bit spacing.
 508                  * The raw touchstrip bits are stored at:
 509                  *    ((data[3] & 0x1f) << 8) | data[4])
 510                  */
 511                 nkeys = 3;
 512                 keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
 513                        ((data[4] & 0xE0) ? 1<<1 : 0) |
 514                        ((data[4] & 0x07) ? 1<<0 : 0);
 515         } else if (features->type == WACOM_27QHD) {
 516                 nkeys = 3;
 517                 keys = data[2] & 0x07;
 518
 519                 input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
 520                 input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
 521                 input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
 522         } else if (features->type == CINTIQ_HYBRID) {
 523                 /*
 524                  * Do not send hardware buttons under Android. They
 525                  * are already sent to the system through GPIO (and
 526                  * have different meaning).
 527                  *
 528                  * d-pad right  -> data[4] & 0x10
 529                  * d-pad up     -> data[4] & 0x20
 530                  * d-pad left   -> data[4] & 0x40
 531                  * d-pad down   -> data[4] & 0x80
 532                  * d-pad center -> data[3] & 0x01
 533                  */
 534                 buttons = (data[4] << 1) | (data[3] & 0x01);
 535         } else if (features->type == CINTIQ_COMPANION_2) {
 536                 /* d-pad right  -> data[2] & 0x10
 537                  * d-pad up     -> data[2] & 0x20
 538                  * d-pad left   -> data[2] & 0x40
 539                  * d-pad down   -> data[2] & 0x80
 540                  * d-pad center -> data[1] & 0x01
 541                  */
 542                 buttons = ((data[2] >> 4) << 7) |
 543                           ((data[1] & 0x04) << 4) |
 544                           ((data[2] & 0x0F) << 2) |
 545                           (data[1] & 0x03);
 546         } else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
 547                 /*
 548                  * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
 549                  * addition to the mechanical switch. Switch data is
 550                  * stored in data[4], capacitive data in data[5].
 551                  *
 552                  * Touch ring mode switch (data[3]) has no capacitive sensor
 553                  */
 554                 buttons = (data[4] << 1) | (data[3] & 0x01);
 555                 ring1 = data[2];
 556         } else {
 557                 if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
 558                         buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
 559                                   (data[6] << 1) | (data[5] & 0x01);
 560
 561                         if (features->type == WACOM_22HD) {
 562                                 nkeys = 3;
 563                                 keys = data[9] & 0x07;
 564                         }
 565                 } else {
 566                         buttons = ((data[6] & 0x10) << 5)  |
 567                                   ((data[5] & 0x10) << 4)  |
 568                                   ((data[6] & 0x0F) << 4)  |
 569                                   (data[5] & 0x0F);
 570                 }
 571                 strip1 = ((data[1] & 0x1f) << 8) | data[2];
 572                 strip2 = ((data[3] & 0x1f) << 8) | data[4];
 573         }
 574
 575         prox = (buttons & ~(~0 << nbuttons)) | (keys & ~(~0 << nkeys)) |
 576                (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;
 577
 578         wacom_report_numbered_buttons(input, nbuttons, buttons);
 579
 580         for (i = 0; i < nkeys; i++)
 581                 input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
 582
 583         input_report_abs(input, ABS_RX, strip1);
 584         input_report_abs(input, ABS_RY, strip2);
 585
 586         input_report_abs(input, ABS_WHEEL,    (ring1 & 0x80) ? (ring1 & 0x7f) : 0);
 587         input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0);
 588
 589         input_report_key(input, wacom->tool[1], prox ? 1 : 0);
 590         input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
 591
 592         input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
 593
 594         return 1;
 595 }
 596
 597 static int wacom_intuos_id_mangle(int tool_id)
 598 {
 599         return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF);
 600 }
 601
 602 static int wacom_intuos_get_tool_type(int tool_id)
 603 {
 604         int tool_type;
 605
 606         switch (tool_id) {
 607         case 0x812: /* Inking pen */
 608         case 0x801: /* Intuos3 Inking pen */
 609         case 0x12802: /* Intuos4/5 Inking Pen */
 610         case 0x012:
 611                 tool_type = BTN_TOOL_PENCIL;
 612                 break;
 613
 614         case 0x822: /* Pen */
 615         case 0x842:
 616         case 0x852:
 617         case 0x823: /* Intuos3 Grip Pen */
 618         case 0x813: /* Intuos3 Classic Pen */
 619         case 0x885: /* Intuos3 Marker Pen */
 620         case 0x802: /* Intuos4/5 13HD/24HD General Pen */
 621         case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */
 622         case 0x8e2: /* IntuosHT2 pen */
 623         case 0x022:
 624         case 0x10804: /* Intuos4/5 13HD/24HD Art Pen */
 625         case 0x10842: /* MobileStudio Pro Pro Pen slim */
 626         case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
 627         case 0x16802: /* Cintiq 13HD Pro Pen */
 628         case 0x18802: /* DTH2242 Pen */
 629         case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
 630                 tool_type = BTN_TOOL_PEN;
 631                 break;
 632
 633         case 0x832: /* Stroke pen */
 634         case 0x032:
 635                 tool_type = BTN_TOOL_BRUSH;
 636                 break;
 637
 638         case 0x007: /* Mouse 4D and 2D */
 639         case 0x09c:
 640         case 0x094:
 641         case 0x017: /* Intuos3 2D Mouse */
 642         case 0x806: /* Intuos4 Mouse */
 643                 tool_type = BTN_TOOL_MOUSE;
 644                 break;
 645
 646         case 0x096: /* Lens cursor */
 647         case 0x097: /* Intuos3 Lens cursor */
 648         case 0x006: /* Intuos4 Lens cursor */
 649                 tool_type = BTN_TOOL_LENS;
 650                 break;
 651
 652         case 0x82a: /* Eraser */
 653         case 0x84a:
 654         case 0x85a:
 655         case 0x91a:
 656         case 0xd1a:
 657         case 0x0fa:
 658         case 0x82b: /* Intuos3 Grip Pen Eraser */
 659         case 0x81b: /* Intuos3 Classic Pen Eraser */
 660         case 0x91b: /* Intuos3 Airbrush Eraser */
 661         case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
 662         case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
 663         case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
 664         case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
 665         case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
 666         case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
 667         case 0x1084a: /* MobileStudio Pro Pro Pen slim Eraser */
 668         case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
 669         case 0x1880a: /* DTH2242 Eraser */
 670         case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
 671                 tool_type = BTN_TOOL_RUBBER;
 672                 break;
 673
 674         case 0xd12:
 675         case 0x912:
 676         case 0x112:
 677         case 0x913: /* Intuos3 Airbrush */
 678         case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
 679         case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
 680                 tool_type = BTN_TOOL_AIRBRUSH;
 681                 break;
 682
 683         default: /* Unknown tool */
 684                 tool_type = BTN_TOOL_PEN;
 685                 break;
 686         }
 687         return tool_type;
 688 }
 689
 690 static void wacom_exit_report(struct wacom_wac *wacom)
 691 {
 692         struct input_dev *input = wacom->pen_input;
 693         struct wacom_features *features = &wacom->features;
 694         unsigned char *data = wacom->data;
 695         int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
 696
 697         /*
 698          * Reset all states otherwise we lose the initial states
 699          * when in-prox next time
 700          */
 701         input_report_abs(input, ABS_X, 0);
 702         input_report_abs(input, ABS_Y, 0);
 703         input_report_abs(input, ABS_DISTANCE, 0);
 704         input_report_abs(input, ABS_TILT_X, 0);
 705         input_report_abs(input, ABS_TILT_Y, 0);
 706         if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
 707                 input_report_key(input, BTN_LEFT, 0);
 708                 input_report_key(input, BTN_MIDDLE, 0);
 709                 input_report_key(input, BTN_RIGHT, 0);
 710                 input_report_key(input, BTN_SIDE, 0);
 711                 input_report_key(input, BTN_EXTRA, 0);
 712                 input_report_abs(input, ABS_THROTTLE, 0);
 713                 input_report_abs(input, ABS_RZ, 0);
 714         } else {
 715                 input_report_abs(input, ABS_PRESSURE, 0);
 716                 input_report_key(input, BTN_STYLUS, 0);
 717                 input_report_key(input, BTN_STYLUS2, 0);
 718                 input_report_key(input, BTN_TOUCH, 0);
 719                 input_report_abs(input, ABS_WHEEL, 0);
 720                 if (features->type >= INTUOS3S)
 721                         input_report_abs(input, ABS_Z, 0);
 722         }
 723         input_report_key(input, wacom->tool[idx], 0);
 724         input_report_abs(input, ABS_MISC, 0); /* reset tool id */
 725         input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 726         wacom->id[idx] = 0;
 727 }
 728
 729 static int wacom_intuos_inout(struct wacom_wac *wacom)
 730 {
 731         struct wacom_features *features = &wacom->features;
 732         unsigned char *data = wacom->data;
 733         struct input_dev *input = wacom->pen_input;
 734         int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
 735
 736         if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
 737             ((data[1] & 0xfe) == 0x20) ||    /* in range */
 738             ((data[1] & 0xfe) == 0x80)))     /* out prox */
 739                 return 0;
 740
 741         /* Enter report */
 742         if ((data[1] & 0xfc) == 0xc0) {
 743                 /* serial number of the tool */
 744                 wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
 745                         (data[4] << 20) + (data[5] << 12) +
 746                         (data[6] << 4) + (data[7] >> 4);
 747
 748                 wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
 749                      ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
 750
 751                 wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
 752
 753                 wacom->shared->stylus_in_proximity = true;
 754                 return 1;
 755         }
 756
 757         /* in Range */
 758         if ((data[1] & 0xfe) == 0x20) {
 759                 if (features->type != INTUOSHT2)
 760                         wacom->shared->stylus_in_proximity = true;
 761
 762                 /* in Range while exiting */
 763                 if (wacom->reporting_data) {
 764                         input_report_key(input, BTN_TOUCH, 0);
 765                         input_report_abs(input, ABS_PRESSURE, 0);
 766                         input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
 767                         return 2;
 768                 }
 769                 return 1;
 770         }
 771
 772         /* Exit report */
 773         if ((data[1] & 0xfe) == 0x80) {
 774                 wacom->shared->stylus_in_proximity = false;
 775                 wacom->reporting_data = false;
 776
 777                 /* don't report exit if we don't know the ID */
 778                 if (!wacom->id[idx])
 779                         return 1;
 780
 781                 wacom_exit_report(wacom);
 782                 return 2;
 783         }
 784
 785         return 0;
 786 }
 787
 788 static inline bool report_touch_events(struct wacom_wac *wacom)
 789 {
 790         return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
 791 }
 792
 793 static inline bool delay_pen_events(struct wacom_wac *wacom)
 794 {
 795         return (wacom->shared->touch_down && touch_arbitration);
 796 }
 797
 798 static int wacom_intuos_general(struct wacom_wac *wacom)
 799 {
 800         struct wacom_features *features = &wacom->features;
 801         unsigned char *data = wacom->data;
 802         struct input_dev *input = wacom->pen_input;
 803         int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
 804         unsigned char type = (data[1] >> 1) & 0x0F;
 805         unsigned int x, y, distance, t;
 806
 807         if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
 808                 data[0] != WACOM_REPORT_INTUOS_PEN)
 809                 return 0;
 810
 811         if (delay_pen_events(wacom))
 812                 return 1;
 813
 814         /* don't report events if we don't know the tool ID */
 815         if (!wacom->id[idx]) {
 816                 /* but reschedule a read of the current tool */
 817                 wacom_intuos_schedule_prox_event(wacom);
 818                 return 1;
 819         }
 820
 821         /*
 822          * don't report events for invalid data
 823          */
 824         /* older I4 styli don't work with new Cintiqs */
 825         if ((!((wacom->id[idx] >> 16) & 0x01) &&
 826                         (features->type == WACOM_21UX2)) ||
 827             /* Only large Intuos support Lense Cursor */
 828             (wacom->tool[idx] == BTN_TOOL_LENS &&
 829                 (features->type == INTUOS3 ||
 830                  features->type == INTUOS3S ||
 831                  features->type == INTUOS4 ||
 832                  features->type == INTUOS4S ||
 833                  features->type == INTUOS5 ||
 834                  features->type == INTUOS5S ||
 835                  features->type == INTUOSPM ||
 836                  features->type == INTUOSPS)) ||
 837            /* Cintiq doesn't send data when RDY bit isn't set */
 838            (features->type == CINTIQ && !(data[1] & 0x40)))
 839                 return 1;
 840
 841         x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
 842         y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
 843         distance = data[9] >> 2;
 844         if (features->type < INTUOS3S) {
 845                 x >>= 1;
 846                 y >>= 1;
 847                 distance >>= 1;
 848         }
 849         if (features->type == INTUOSHT2)
 850                 distance = features->distance_max - distance;
 851         input_report_abs(input, ABS_X, x);
 852         input_report_abs(input, ABS_Y, y);
 853         input_report_abs(input, ABS_DISTANCE, distance);
 854
 855         switch (type) {
 856         case 0x00:
 857         case 0x01:
 858         case 0x02:
 859         case 0x03:
 860                 /* general pen packet */
 861                 t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
 862                 if (features->pressure_max < 2047)
 863                         t >>= 1;
 864                 input_report_abs(input, ABS_PRESSURE, t);
 865                 if (features->type != INTUOSHT2) {
 866                     input_report_abs(input, ABS_TILT_X,
 867                                  (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
 868                     input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
 869                 }
 870                 input_report_key(input, BTN_STYLUS, data[1] & 2);
 871                 input_report_key(input, BTN_STYLUS2, data[1] & 4);
 872                 input_report_key(input, BTN_TOUCH, t > 10);
 873                 break;
 874
 875         case 0x0a:
 876                 /* airbrush second packet */
 877                 input_report_abs(input, ABS_WHEEL,
 878                                 (data[6] << 2) | ((data[7] >> 6) & 3));
 879                 input_report_abs(input, ABS_TILT_X,
 880                                  (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
 881                 input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
 882                 break;
 883
 884         case 0x05:
 885                 /* Rotation packet */
 886                 if (features->type >= INTUOS3S) {
 887                         /* I3 marker pen rotation */
 888                         t = (data[6] << 3) | ((data[7] >> 5) & 7);
 889                         t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
 890                                 ((t-1) / 2 + 450)) : (450 - t / 2) ;
 891                         input_report_abs(input, ABS_Z, t);
 892                 } else {
 893                         /* 4D mouse 2nd packet */
 894                         t = (data[6] << 3) | ((data[7] >> 5) & 7);
 895                         input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
 896                                 ((t - 1) / 2) : -t / 2);
 897                 }
 898                 break;
 899
 900         case 0x04:
 901                 /* 4D mouse 1st packet */
 902                 input_report_key(input, BTN_LEFT,   data[8] & 0x01);
 903                 input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
 904                 input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
 905
 906                 input_report_key(input, BTN_SIDE,   data[8] & 0x20);
 907                 input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
 908                 t = (data[6] << 2) | ((data[7] >> 6) & 3);
 909                 input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
 910                 break;
 911
 912         case 0x06:
 913                 /* I4 mouse */
 914                 input_report_key(input, BTN_LEFT,   data[6] & 0x01);
 915                 input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
 916                 input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
 917                 input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
 918                                  - ((data[7] & 0x40) >> 6));
 919                 input_report_key(input, BTN_SIDE,   data[6] & 0x08);
 920                 input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
 921
 922                 input_report_abs(input, ABS_TILT_X,
 923                         (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
 924                 input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
 925                 break;
 926
 927         case 0x08:
 928                 if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
 929                         /* 2D mouse packet */
 930                         input_report_key(input, BTN_LEFT,   data[8] & 0x04);
 931                         input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
 932                         input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
 933                         input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
 934                                          - ((data[8] & 0x02) >> 1));
 935
 936                         /* I3 2D mouse side buttons */
 937                         if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
 938                                 input_report_key(input, BTN_SIDE,   data[8] & 0x40);
 939                                 input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
 940                         }
 941                 }
 942                 else if (wacom->tool[idx] == BTN_TOOL_LENS) {
 943                         /* Lens cursor packets */
 944                         input_report_key(input, BTN_LEFT,   data[8] & 0x01);
 945                         input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
 946                         input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
 947                         input_report_key(input, BTN_SIDE,   data[8] & 0x10);
 948                         input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
 949                 }
 950                 break;
 951
 952         case 0x07:
 953         case 0x09:
 954         case 0x0b:
 955         case 0x0c:
 956         case 0x0d:
 957         case 0x0e:
 958         case 0x0f:
 959                 /* unhandled */
 960                 break;
 961         }
 962
 963         input_report_abs(input, ABS_MISC,
 964                          wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
 965         input_report_key(input, wacom->tool[idx], 1);
 966         input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 967         wacom->reporting_data = true;
 968         return 2;
 969 }
 970
 971 static int wacom_intuos_irq(struct wacom_wac *wacom)
 972 {
 973         unsigned char *data = wacom->data;
 974         struct input_dev *input = wacom->pen_input;
 975         int result;
 976
 977         if (data[0] != WACOM_REPORT_PENABLED &&
 978             data[0] != WACOM_REPORT_INTUOS_ID1 &&
 979             data[0] != WACOM_REPORT_INTUOS_ID2 &&
 980             data[0] != WACOM_REPORT_INTUOSPAD &&
 981             data[0] != WACOM_REPORT_INTUOS_PEN &&
 982             data[0] != WACOM_REPORT_CINTIQ &&
 983             data[0] != WACOM_REPORT_CINTIQPAD &&
 984             data[0] != WACOM_REPORT_INTUOS5PAD) {
 985                 dev_dbg(input->dev.parent,
 986                         "%s: received unknown report #%d\n", __func__, data[0]);
 987                 return 0;
 988         }
 989
 990         /* process pad events */
 991         result = wacom_intuos_pad(wacom);
 992         if (result)
 993                 return result;
 994
 995         /* process in/out prox events */
 996         result = wacom_intuos_inout(wacom);
 997         if (result)
 998                 return result - 1;
 999
1000         /* process general packets */
1001         result = wacom_intuos_general(wacom);
1002         if (result)
1003                 return result - 1;
1004
1005         return 0;
1006 }
1007
1008 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
1009 {
1010         unsigned char *data = wacom_wac->data;
1011         struct input_dev *input;
1012         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1013         struct wacom_remote *remote = wacom->remote;
1014         int bat_charging, bat_percent, touch_ring_mode;
1015         __u32 serial;
1016         int i, index = -1;
1017         unsigned long flags;
1018
1019         if (data[0] != WACOM_REPORT_REMOTE) {
1020                 hid_dbg(wacom->hdev, "%s: received unknown report #%d",
1021                         __func__, data[0]);
1022                 return 0;
1023         }
1024
1025         serial = data[3] + (data[4] << 8) + (data[5] << 16);
1026         wacom_wac->id[0] = PAD_DEVICE_ID;
1027
1028         spin_lock_irqsave(&remote->remote_lock, flags);
1029
1030         for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1031                 if (remote->remotes[i].serial == serial) {
1032                         index = i;
1033                         break;
1034                 }
1035         }
1036
1037         if (index < 0 || !remote->remotes[index].registered)
1038                 goto out;
1039
1040         input = remote->remotes[index].input;
1041
1042         input_report_key(input, BTN_0, (data[9] & 0x01));
1043         input_report_key(input, BTN_1, (data[9] & 0x02));
1044         input_report_key(input, BTN_2, (data[9] & 0x04));
1045         input_report_key(input, BTN_3, (data[9] & 0x08));
1046         input_report_key(input, BTN_4, (data[9] & 0x10));
1047         input_report_key(input, BTN_5, (data[9] & 0x20));
1048         input_report_key(input, BTN_6, (data[9] & 0x40));
1049         input_report_key(input, BTN_7, (data[9] & 0x80));
1050
1051         input_report_key(input, BTN_8, (data[10] & 0x01));
1052         input_report_key(input, BTN_9, (data[10] & 0x02));
1053         input_report_key(input, BTN_A, (data[10] & 0x04));
1054         input_report_key(input, BTN_B, (data[10] & 0x08));
1055         input_report_key(input, BTN_C, (data[10] & 0x10));
1056         input_report_key(input, BTN_X, (data[10] & 0x20));
1057         input_report_key(input, BTN_Y, (data[10] & 0x40));
1058         input_report_key(input, BTN_Z, (data[10] & 0x80));
1059
1060         input_report_key(input, BTN_BASE, (data[11] & 0x01));
1061         input_report_key(input, BTN_BASE2, (data[11] & 0x02));
1062
1063         if (data[12] & 0x80)
1064                 input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
1065         else
1066                 input_report_abs(input, ABS_WHEEL, 0);
1067
1068         bat_percent = data[7] & 0x7f;
1069         bat_charging = !!(data[7] & 0x80);
1070
1071         if (data[9] | data[10] | (data[11] & 0x03) | data[12])
1072                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
1073         else
1074                 input_report_abs(input, ABS_MISC, 0);
1075
1076         input_event(input, EV_MSC, MSC_SERIAL, serial);
1077
1078         input_sync(input);
1079
1080         /*Which mode select (LED light) is currently on?*/
1081         touch_ring_mode = (data[11] & 0xC0) >> 6;
1082
1083         for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1084                 if (remote->remotes[i].serial == serial)
1085                         wacom->led.groups[i].select = touch_ring_mode;
1086         }
1087
1088         __wacom_notify_battery(&remote->remotes[index].battery,
1089                                 WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
1090                                 bat_charging, 1, bat_charging);
1091
1092 out:
1093         spin_unlock_irqrestore(&remote->remote_lock, flags);
1094         return 0;
1095 }
1096
1097 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
1098 {
1099         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1100         unsigned char *data = wacom_wac->data;
1101         struct wacom_remote *remote = wacom->remote;
1102         struct wacom_remote_data remote_data;
1103         unsigned long flags;
1104         int i, ret;
1105
1106         if (data[0] != WACOM_REPORT_DEVICE_LIST)
1107                 return;
1108
1109         memset(&remote_data, 0, sizeof(struct wacom_remote_data));
1110
1111         for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1112                 int j = i * 6;
1113                 int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
1114                 bool connected = data[j+2];
1115
1116                 remote_data.remote[i].serial = serial;
1117                 remote_data.remote[i].connected = connected;
1118         }
1119
1120         spin_lock_irqsave(&remote->remote_lock, flags);
1121
1122         ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
1123         if (ret != sizeof(remote_data)) {
1124                 spin_unlock_irqrestore(&remote->remote_lock, flags);
1125                 hid_err(wacom->hdev, "Can't queue Remote status event.\n");
1126                 return;
1127         }
1128
1129         spin_unlock_irqrestore(&remote->remote_lock, flags);
1130
1131         wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
1132 }
1133
1134 static int int_dist(int x1, int y1, int x2, int y2)
1135 {
1136         int x = x2 - x1;
1137         int y = y2 - y1;
1138
1139         return int_sqrt(x*x + y*y);
1140 }
1141
1142 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1143                 unsigned char *data)
1144 {
1145         memcpy(wacom->data, data, 10);
1146         wacom_intuos_irq(wacom);
1147
1148         input_sync(wacom->pen_input);
1149         if (wacom->pad_input)
1150                 input_sync(wacom->pad_input);
1151 }
1152
1153 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1154 {
1155         unsigned char data[WACOM_PKGLEN_MAX];
1156         int i = 1;
1157         unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1158
1159         memcpy(data, wacom->data, len);
1160
1161         switch (data[0]) {
1162         case 0x04:
1163                 wacom_intuos_bt_process_data(wacom, data + i);
1164                 i += 10;
1165                 /* fall through */
1166         case 0x03:
1167                 wacom_intuos_bt_process_data(wacom, data + i);
1168                 i += 10;
1169                 wacom_intuos_bt_process_data(wacom, data + i);
1170                 i += 10;
1171                 power_raw = data[i];
1172                 bat_charging = (power_raw & 0x08) ? 1 : 0;
1173                 ps_connected = (power_raw & 0x10) ? 1 : 0;
1174                 battery_capacity = batcap_i4[power_raw & 0x07];
1175                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1176                                      battery_capacity, bat_charging,
1177                                      battery_capacity || bat_charging,
1178                                      ps_connected);
1179                 break;
1180         default:
1181                 dev_dbg(wacom->pen_input->dev.parent,
1182                                 "Unknown report: %d,%d size:%zu\n",
1183                                 data[0], data[1], len);
1184                 return 0;
1185         }
1186         return 0;
1187 }
1188
1189 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1190 {
1191         struct input_dev *input = wacom->touch_input;
1192         unsigned touch_max = wacom->features.touch_max;
1193         int count = 0;
1194         int i;
1195
1196         if (!touch_max)
1197                 return 0;
1198
1199         if (touch_max == 1)
1200                 return test_bit(BTN_TOUCH, input->key) &&
1201                         report_touch_events(wacom);
1202
1203         for (i = 0; i < input->mt->num_slots; i++) {
1204                 struct input_mt_slot *ps = &input->mt->slots[i];
1205                 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1206                 if (id >= 0)
1207                         count++;
1208         }
1209
1210         return count;
1211 }
1212
1213 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1214 {
1215         int pen_frame_len, pen_frames;
1216
1217         struct input_dev *pen_input = wacom->pen_input;
1218         unsigned char *data = wacom->data;
1219         int i;
1220
1221         if (wacom->features.type == INTUOSP2_BT ||
1222             wacom->features.type == INTUOSP2S_BT) {
1223                 wacom->serial[0] = get_unaligned_le64(&data[99]);
1224                 wacom->id[0]     = get_unaligned_le16(&data[107]);
1225                 pen_frame_len = 14;
1226                 pen_frames = 7;
1227         } else {
1228                 wacom->serial[0] = get_unaligned_le64(&data[33]);
1229                 wacom->id[0]     = get_unaligned_le16(&data[41]);
1230                 pen_frame_len = 8;
1231                 pen_frames = 4;
1232         }
1233
1234         if (wacom->serial[0] >> 52 == 1) {
1235                 /* Add back in missing bits of ID for non-USI pens */
1236                 wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1237         }
1238
1239         for (i = 0; i < pen_frames; i++) {
1240                 unsigned char *frame = &data[i*pen_frame_len + 1];
1241                 bool valid = frame[0] & 0x80;
1242                 bool prox = frame[0] & 0x40;
1243                 bool range = frame[0] & 0x20;
1244                 bool invert = frame[0] & 0x10;
1245
1246                 if (!valid)
1247                         continue;
1248
1249                 if (!prox) {
1250                         wacom->shared->stylus_in_proximity = false;
1251                         wacom_exit_report(wacom);
1252                         input_sync(pen_input);
1253
1254                         wacom->tool[0] = 0;
1255                         wacom->id[0] = 0;
1256                         wacom->serial[0] = 0;
1257                         return;
1258                 }
1259
1260                 if (range) {
1261                         if (!wacom->tool[0]) { /* first in range */
1262                                 /* Going into range select tool */
1263                                 if (invert)
1264                                         wacom->tool[0] = BTN_TOOL_RUBBER;
1265                                 else if (wacom->id[0])
1266                                         wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]);
1267                                 else
1268                                         wacom->tool[0] = BTN_TOOL_PEN;
1269                         }
1270
1271                         input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1272                         input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1273
1274                         if (wacom->features.type == INTUOSP2_BT ||
1275                             wacom->features.type == INTUOSP2S_BT) {
1276                                 /* Fix rotation alignment: userspace expects zero at left */
1277                                 int16_t rotation =
1278                                         (int16_t)get_unaligned_le16(&frame[9]);
1279                                 rotation += 1800/4;
1280
1281                                 if (rotation > 899)
1282                                         rotation -= 1800;
1283
1284                                 input_report_abs(pen_input, ABS_TILT_X,
1285                                                  (char)frame[7]);
1286                                 input_report_abs(pen_input, ABS_TILT_Y,
1287                                                  (char)frame[8]);
1288                                 input_report_abs(pen_input, ABS_Z, rotation);
1289                                 input_report_abs(pen_input, ABS_WHEEL,
1290                                                  get_unaligned_le16(&frame[11]));
1291                         }
1292                 }
1293                 if (wacom->tool[0]) {
1294                         input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1295                         if (wacom->features.type == INTUOSP2_BT ||
1296                             wacom->features.type == INTUOSP2S_BT) {
1297                                 input_report_abs(pen_input, ABS_DISTANCE,
1298                                                  range ? frame[13] : wacom->features.distance_max);
1299                         } else {
1300                                 input_report_abs(pen_input, ABS_DISTANCE,
1301                                                  range ? frame[7] : wacom->features.distance_max);
1302                         }
1303
1304                         input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09);
1305                         input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1306                         input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1307
1308                         input_report_key(pen_input, wacom->tool[0], prox);
1309                         input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1310                         input_report_abs(pen_input, ABS_MISC,
1311                                          wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1312                 }
1313
1314                 wacom->shared->stylus_in_proximity = prox;
1315
1316                 input_sync(pen_input);
1317         }
1318 }
1319
1320 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1321 {
1322         const int finger_touch_len = 8;
1323         const int finger_frames = 4;
1324         const int finger_frame_len = 43;
1325
1326         struct input_dev *touch_input = wacom->touch_input;
1327         unsigned char *data = wacom->data;
1328         int num_contacts_left = 5;
1329         int i, j;
1330
1331         for (i = 0; i < finger_frames; i++) {
1332                 unsigned char *frame = &data[i*finger_frame_len + 109];
1333                 int current_num_contacts = frame[0] & 0x7F;
1334                 int contacts_to_send;
1335
1336                 if (!(frame[0] & 0x80))
1337                         continue;
1338
1339                 /*
1340                  * First packet resets the counter since only the first
1341                  * packet in series will have non-zero current_num_contacts.
1342                  */
1343                 if (current_num_contacts)
1344                         wacom->num_contacts_left = current_num_contacts;
1345
1346                 contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1347
1348                 for (j = 0; j < contacts_to_send; j++) {
1349                         unsigned char *touch = &frame[j*finger_touch_len + 1];
1350                         int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1351                         int x = get_unaligned_le16(&touch[2]);
1352                         int y = get_unaligned_le16(&touch[4]);
1353                         int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1354                         int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1355
1356                         if (slot < 0)
1357                                 continue;
1358
1359                         input_mt_slot(touch_input, slot);
1360                         input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1361                         input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1362                         input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1363                         input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1364                         input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1365                         input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1366                 }
1367
1368                 input_mt_sync_frame(touch_input);
1369
1370                 wacom->num_contacts_left -= contacts_to_send;
1371                 if (wacom->num_contacts_left <= 0) {
1372                         wacom->num_contacts_left = 0;
1373                         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1374                         input_sync(touch_input);
1375                 }
1376         }
1377
1378         if (wacom->num_contacts_left == 0) {
1379                 // Be careful that we don't accidentally call input_sync with
1380                 // only a partial set of fingers of processed
1381                 input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1382                 input_sync(touch_input);
1383         }
1384
1385 }
1386
1387 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1388 {
1389         struct input_dev *pad_input = wacom->pad_input;
1390         unsigned char *data = wacom->data;
1391
1392         int buttons = data[282] | ((data[281] & 0x40) << 2);
1393         int ring = data[285] & 0x7F;
1394         bool ringstatus = data[285] & 0x80;
1395         bool prox = buttons || ringstatus;
1396
1397         /* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1398         ring = 71 - ring;
1399         ring += 3*72/16;
1400         if (ring > 71)
1401                 ring -= 72;
1402
1403         wacom_report_numbered_buttons(pad_input, 9, buttons);
1404
1405         input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1406
1407         input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1408         input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1409         input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1410
1411         input_sync(pad_input);
1412 }
1413
1414 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1415 {
1416         unsigned char *data = wacom->data;
1417
1418         bool chg = data[284] & 0x80;
1419         int battery_status = data[284] & 0x7F;
1420
1421         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1422                              battery_status, chg, 1, chg);
1423 }
1424
1425 static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
1426 {
1427         struct input_dev *pad_input = wacom->pad_input;
1428         unsigned char *data = wacom->data;
1429
1430         int buttons = data[44];
1431
1432         wacom_report_numbered_buttons(pad_input, 4, buttons);
1433
1434         input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
1435         input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
1436         input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1437
1438         input_sync(pad_input);
1439 }
1440
1441 static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
1442 {
1443         unsigned char *data = wacom->data;
1444
1445         bool chg = data[45] & 0x80;
1446         int battery_status = data[45] & 0x7F;
1447
1448         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1449                              battery_status, chg, 1, chg);
1450 }
1451
1452 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1453 {
1454         unsigned char *data = wacom->data;
1455
1456         if (data[0] != 0x80 && data[0] != 0x81) {
1457                 dev_dbg(wacom->pen_input->dev.parent,
1458                         "%s: received unknown report #%d\n", __func__, data[0]);
1459                 return 0;
1460         }
1461
1462         wacom_intuos_pro2_bt_pen(wacom);
1463         if (wacom->features.type == INTUOSP2_BT ||
1464             wacom->features.type == INTUOSP2S_BT) {
1465                 wacom_intuos_pro2_bt_touch(wacom);
1466                 wacom_intuos_pro2_bt_pad(wacom);
1467                 wacom_intuos_pro2_bt_battery(wacom);
1468         } else {
1469                 wacom_intuos_gen3_bt_pad(wacom);
1470                 wacom_intuos_gen3_bt_battery(wacom);
1471         }
1472         return 0;
1473 }
1474
1475 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1476 {
1477         struct input_dev *input = wacom->touch_input;
1478         unsigned char *data = wacom->data;
1479         int i;
1480         int current_num_contacts = data[61];
1481         int contacts_to_send = 0;
1482         int num_contacts_left = 4; /* maximum contacts per packet */
1483         int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1484         int y_offset = 2;
1485
1486         if (wacom->features.type == WACOM_27QHDT) {
1487                 current_num_contacts = data[63];
1488                 num_contacts_left = 10;
1489                 byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1490                 y_offset = 0;
1491         }
1492
1493         /*
1494          * First packet resets the counter since only the first
1495          * packet in series will have non-zero current_num_contacts.
1496          */
1497         if (current_num_contacts)
1498                 wacom->num_contacts_left = current_num_contacts;
1499
1500         contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1501
1502         for (i = 0; i < contacts_to_send; i++) {
1503                 int offset = (byte_per_packet * i) + 1;
1504                 bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1505                 int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1506
1507                 if (slot < 0)
1508                         continue;
1509                 input_mt_slot(input, slot);
1510                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1511
1512                 if (touch) {
1513                         int t_x = get_unaligned_le16(&data[offset + 2]);
1514                         int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1515
1516                         input_report_abs(input, ABS_MT_POSITION_X, t_x);
1517                         input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1518
1519                         if (wacom->features.type != WACOM_27QHDT) {
1520                                 int c_x = get_unaligned_le16(&data[offset + 4]);
1521                                 int c_y = get_unaligned_le16(&data[offset + 8]);
1522                                 int w = get_unaligned_le16(&data[offset + 10]);
1523                                 int h = get_unaligned_le16(&data[offset + 12]);
1524
1525                                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1526                                 input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1527                                                  min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1528                                 input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1529                                 input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1530                         }
1531                 }
1532         }
1533         input_mt_sync_frame(input);
1534
1535         wacom->num_contacts_left -= contacts_to_send;
1536         if (wacom->num_contacts_left <= 0) {
1537                 wacom->num_contacts_left = 0;
1538                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1539         }
1540         return 1;
1541 }
1542
1543 static int wacom_mt_touch(struct wacom_wac *wacom)
1544 {
1545         struct input_dev *input = wacom->touch_input;
1546         unsigned char *data = wacom->data;
1547         int i;
1548         int current_num_contacts = data[2];
1549         int contacts_to_send = 0;
1550         int x_offset = 0;
1551
1552         /* MTTPC does not support Height and Width */
1553         if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1554                 x_offset = -4;
1555
1556         /*
1557          * First packet resets the counter since only the first
1558          * packet in series will have non-zero current_num_contacts.
1559          */
1560         if (current_num_contacts)
1561                 wacom->num_contacts_left = current_num_contacts;
1562
1563         /* There are at most 5 contacts per packet */
1564         contacts_to_send = min(5, wacom->num_contacts_left);
1565
1566         for (i = 0; i < contacts_to_send; i++) {
1567                 int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1568                 bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1569                 int id = get_unaligned_le16(&data[offset + 1]);
1570                 int slot = input_mt_get_slot_by_key(input, id);
1571
1572                 if (slot < 0)
1573                         continue;
1574
1575                 input_mt_slot(input, slot);
1576                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1577                 if (touch) {
1578                         int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1579                         int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1580                         input_report_abs(input, ABS_MT_POSITION_X, x);
1581                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1582                 }
1583         }
1584         input_mt_sync_frame(input);
1585
1586         wacom->num_contacts_left -= contacts_to_send;
1587         if (wacom->num_contacts_left <= 0) {
1588                 wacom->num_contacts_left = 0;
1589                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1590         }
1591         return 1;
1592 }
1593
1594 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1595 {
1596         struct input_dev *input = wacom->touch_input;
1597         unsigned char *data = wacom->data;
1598         int i;
1599
1600         for (i = 0; i < 2; i++) {
1601                 int p = data[1] & (1 << i);
1602                 bool touch = p && report_touch_events(wacom);
1603
1604                 input_mt_slot(input, i);
1605                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1606                 if (touch) {
1607                         int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1608                         int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1609
1610                         input_report_abs(input, ABS_MT_POSITION_X, x);
1611                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1612                 }
1613         }
1614         input_mt_sync_frame(input);
1615
1616         /* keep touch state for pen event */
1617         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1618
1619         return 1;
1620 }
1621
1622 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1623 {
1624         unsigned char *data = wacom->data;
1625         struct input_dev *input = wacom->touch_input;
1626         bool prox = report_touch_events(wacom);
1627         int x = 0, y = 0;
1628
1629         if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1630                 return 0;
1631
1632         if (len == WACOM_PKGLEN_TPC1FG) {
1633                 prox = prox && (data[0] & 0x01);
1634                 x = get_unaligned_le16(&data[1]);
1635                 y = get_unaligned_le16(&data[3]);
1636         } else if (len == WACOM_PKGLEN_TPC1FG_B) {
1637                 prox = prox && (data[2] & 0x01);
1638                 x = get_unaligned_le16(&data[3]);
1639                 y = get_unaligned_le16(&data[5]);
1640         } else {
1641                 prox = prox && (data[1] & 0x01);
1642                 x = le16_to_cpup((__le16 *)&data[2]);
1643                 y = le16_to_cpup((__le16 *)&data[4]);
1644         }
1645
1646         if (prox) {
1647                 input_report_abs(input, ABS_X, x);
1648                 input_report_abs(input, ABS_Y, y);
1649         }
1650         input_report_key(input, BTN_TOUCH, prox);
1651
1652         /* keep touch state for pen events */
1653         wacom->shared->touch_down = prox;
1654
1655         return 1;
1656 }
1657
1658 static int wacom_tpc_pen(struct wacom_wac *wacom)
1659 {
1660         unsigned char *data = wacom->data;
1661         struct input_dev *input = wacom->pen_input;
1662         bool prox = data[1] & 0x20;
1663
1664         if (!wacom->shared->stylus_in_proximity) /* first in prox */
1665                 /* Going into proximity select tool */
1666                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1667
1668         /* keep pen state for touch events */
1669         wacom->shared->stylus_in_proximity = prox;
1670
1671         /* send pen events only when touch is up or forced out
1672          * or touch arbitration is off
1673          */
1674         if (!delay_pen_events(wacom)) {
1675                 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1676                 input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1677                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1678                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1679                 input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1680                 input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1681                 input_report_key(input, wacom->tool[0], prox);
1682                 return 1;
1683         }
1684
1685         return 0;
1686 }
1687
1688 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1689 {
1690         unsigned char *data = wacom->data;
1691
1692         if (wacom->pen_input) {
1693                 dev_dbg(wacom->pen_input->dev.parent,
1694                         "%s: received report #%d\n", __func__, data[0]);
1695
1696                 if (len == WACOM_PKGLEN_PENABLED ||
1697                     data[0] == WACOM_REPORT_PENABLED)
1698                         return wacom_tpc_pen(wacom);
1699         }
1700         else if (wacom->touch_input) {
1701                 dev_dbg(wacom->touch_input->dev.parent,
1702                         "%s: received report #%d\n", __func__, data[0]);
1703
1704                 switch (len) {
1705                 case WACOM_PKGLEN_TPC1FG:
1706                         return wacom_tpc_single_touch(wacom, len);
1707
1708                 case WACOM_PKGLEN_TPC2FG:
1709                         return wacom_tpc_mt_touch(wacom);
1710
1711                 default:
1712                         switch (data[0]) {
1713                         case WACOM_REPORT_TPC1FG:
1714                         case WACOM_REPORT_TPCHID:
1715                         case WACOM_REPORT_TPCST:
1716                         case WACOM_REPORT_TPC1FGE:
1717                                 return wacom_tpc_single_touch(wacom, len);
1718
1719                         case WACOM_REPORT_TPCMT:
1720                         case WACOM_REPORT_TPCMT2:
1721                                 return wacom_mt_touch(wacom);
1722
1723                         }
1724                 }
1725         }
1726
1727         return 0;
1728 }
1729
1730 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1731                                  int value, int num, int denom)
1732 {
1733         struct input_absinfo *abs = &input->absinfo[usage->code];
1734         int range = (abs->maximum - abs->minimum + 1);
1735
1736         value += num*range/denom;
1737         if (value > abs->maximum)
1738                 value -= range;
1739         else if (value < abs->minimum)
1740                 value += range;
1741         return value;
1742 }
1743
1744 int wacom_equivalent_usage(int usage)
1745 {
1746         if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1747                 int subpage = (usage & 0xFF00) << 8;
1748                 int subusage = (usage & 0xFF);
1749
1750                 if (subpage == WACOM_HID_SP_PAD ||
1751                     subpage == WACOM_HID_SP_BUTTON ||
1752                     subpage == WACOM_HID_SP_DIGITIZER ||
1753                     subpage == WACOM_HID_SP_DIGITIZERINFO ||
1754                     usage == WACOM_HID_WD_SENSE ||
1755                     usage == WACOM_HID_WD_SERIALHI ||
1756                     usage == WACOM_HID_WD_TOOLTYPE ||
1757                     usage == WACOM_HID_WD_DISTANCE ||
1758                     usage == WACOM_HID_WD_TOUCHSTRIP ||
1759                     usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1760                     usage == WACOM_HID_WD_TOUCHRING ||
1761                     usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
1762                     usage == WACOM_HID_WD_REPORT_VALID) {
1763                         return usage;
1764                 }
1765
1766                 if (subpage == HID_UP_UNDEFINED)
1767                         subpage = HID_UP_DIGITIZER;
1768
1769                 return subpage | subusage;
1770         }
1771
1772         if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1773                 int subpage = (usage & 0xFF00) << 8;
1774                 int subusage = (usage & 0xFF);
1775
1776                 if (usage == WACOM_HID_WT_REPORT_VALID)
1777                         return usage;
1778
1779                 if (subpage == HID_UP_UNDEFINED)
1780                         subpage = WACOM_HID_SP_DIGITIZER;
1781
1782                 return subpage | subusage;
1783         }
1784
1785         return usage;
1786 }
1787
1788 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1789                 struct hid_field *field, __u8 type, __u16 code, int fuzz)
1790 {
1791         struct wacom *wacom = input_get_drvdata(input);
1792         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1793         struct wacom_features *features = &wacom_wac->features;
1794         int fmin = field->logical_minimum;
1795         int fmax = field->logical_maximum;
1796         unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1797         int resolution_code = code;
1798
1799         if (equivalent_usage == HID_DG_TWIST) {
1800                 resolution_code = ABS_RZ;
1801         }
1802
1803         if (equivalent_usage == HID_GD_X) {
1804                 fmin += features->offset_left;
1805                 fmax -= features->offset_right;
1806         }
1807         if (equivalent_usage == HID_GD_Y) {
1808                 fmin += features->offset_top;
1809                 fmax -= features->offset_bottom;
1810         }
1811
1812         usage->type = type;
1813         usage->code = code;
1814
1815         set_bit(type, input->evbit);
1816
1817         switch (type) {
1818         case EV_ABS:
1819                 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1820                 input_abs_set_res(input, code,
1821                                   hidinput_calc_abs_res(field, resolution_code));
1822                 break;
1823         case EV_KEY:
1824                 input_set_capability(input, EV_KEY, code);
1825                 break;
1826         case EV_MSC:
1827                 input_set_capability(input, EV_MSC, code);
1828                 break;
1829         case EV_SW:
1830                 input_set_capability(input, EV_SW, code);
1831                 break;
1832         }
1833 }
1834
1835 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1836                 struct hid_field *field, struct hid_usage *usage)
1837 {
1838         struct wacom *wacom = hid_get_drvdata(hdev);
1839         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1840         struct wacom_features *features = &wacom_wac->features;
1841         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1842
1843         switch (equivalent_usage) {
1844         case HID_DG_BATTERYSTRENGTH:
1845         case WACOM_HID_WD_BATTERY_LEVEL:
1846         case WACOM_HID_WD_BATTERY_CHARGING:
1847                 features->quirks |= WACOM_QUIRK_BATTERY;
1848                 break;
1849         }
1850 }
1851
1852 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1853                 struct hid_usage *usage, __s32 value)
1854 {
1855         struct wacom *wacom = hid_get_drvdata(hdev);
1856         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1857         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1858
1859         switch (equivalent_usage) {
1860         case HID_DG_BATTERYSTRENGTH:
1861                 if (value == 0) {
1862                         wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1863                 }
1864                 else {
1865                         value = value * 100 / (field->logical_maximum - field->logical_minimum);
1866                         wacom_wac->hid_data.battery_capacity = value;
1867                         wacom_wac->hid_data.bat_connected = 1;
1868                         wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1869                 }
1870                 break;
1871         case WACOM_HID_WD_BATTERY_LEVEL:
1872                 value = value * 100 / (field->logical_maximum - field->logical_minimum);
1873                 wacom_wac->hid_data.battery_capacity = value;
1874                 wacom_wac->hid_data.bat_connected = 1;
1875                 wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1876                 break;
1877         case WACOM_HID_WD_BATTERY_CHARGING:
1878                 wacom_wac->hid_data.bat_charging = value;
1879                 wacom_wac->hid_data.ps_connected = value;
1880                 wacom_wac->hid_data.bat_connected = 1;
1881                 wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1882                 break;
1883         }
1884 }
1885
1886 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
1887                 struct hid_report *report)
1888 {
1889         return;
1890 }
1891
1892 static void wacom_wac_battery_report(struct hid_device *hdev,
1893                 struct hid_report *report)
1894 {
1895         struct wacom *wacom = hid_get_drvdata(hdev);
1896         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1897         struct wacom_features *features = &wacom_wac->features;
1898
1899         if (features->quirks & WACOM_QUIRK_BATTERY) {
1900                 int status = wacom_wac->hid_data.bat_status;
1901                 int capacity = wacom_wac->hid_data.battery_capacity;
1902                 bool charging = wacom_wac->hid_data.bat_charging;
1903                 bool connected = wacom_wac->hid_data.bat_connected;
1904                 bool powered = wacom_wac->hid_data.ps_connected;
1905
1906                 wacom_notify_battery(wacom_wac, status, capacity, charging,
1907                                      connected, powered);
1908         }
1909 }
1910
1911 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1912                 struct hid_field *field, struct hid_usage *usage)
1913 {
1914         struct wacom *wacom = hid_get_drvdata(hdev);
1915         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1916         struct wacom_features *features = &wacom_wac->features;
1917         struct input_dev *input = wacom_wac->pad_input;
1918         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1919
1920         switch (equivalent_usage) {
1921         case WACOM_HID_WD_ACCELEROMETER_X:
1922                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1923                 wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1924                 features->device_type |= WACOM_DEVICETYPE_PAD;
1925                 break;
1926         case WACOM_HID_WD_ACCELEROMETER_Y:
1927                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1928                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1929                 features->device_type |= WACOM_DEVICETYPE_PAD;
1930                 break;
1931         case WACOM_HID_WD_ACCELEROMETER_Z:
1932                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1933                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1934                 features->device_type |= WACOM_DEVICETYPE_PAD;
1935                 break;
1936         case WACOM_HID_WD_BUTTONCENTER:
1937         case WACOM_HID_WD_BUTTONHOME:
1938         case WACOM_HID_WD_BUTTONUP:
1939         case WACOM_HID_WD_BUTTONDOWN:
1940         case WACOM_HID_WD_BUTTONLEFT:
1941         case WACOM_HID_WD_BUTTONRIGHT:
1942                 wacom_map_usage(input, usage, field, EV_KEY,
1943                                 wacom_numbered_button_to_key(features->numbered_buttons),
1944                                 0);
1945                 features->numbered_buttons++;
1946                 features->device_type |= WACOM_DEVICETYPE_PAD;
1947                 break;
1948         case WACOM_HID_WD_TOUCHONOFF:
1949         case WACOM_HID_WD_MUTE_DEVICE:
1950                 /*
1951                  * This usage, which is used to mute touch events, comes
1952                  * from the pad packet, but is reported on the touch
1953                  * interface. Because the touch interface may not have
1954                  * been created yet, we cannot call wacom_map_usage(). In
1955                  * order to process this usage when we receive it, we set
1956                  * the usage type and code directly.
1957                  */
1958                 wacom_wac->has_mute_touch_switch = true;
1959                 usage->type = EV_SW;
1960                 usage->code = SW_MUTE_DEVICE;
1961                 features->device_type |= WACOM_DEVICETYPE_PAD;
1962                 break;
1963         case WACOM_HID_WD_TOUCHSTRIP:
1964                 wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
1965                 features->device_type |= WACOM_DEVICETYPE_PAD;
1966                 break;
1967         case WACOM_HID_WD_TOUCHSTRIP2:
1968                 wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
1969                 features->device_type |= WACOM_DEVICETYPE_PAD;
1970                 break;
1971         case WACOM_HID_WD_TOUCHRING:
1972                 wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
1973                 features->device_type |= WACOM_DEVICETYPE_PAD;
1974                 break;
1975         case WACOM_HID_WD_TOUCHRINGSTATUS:
1976                 /*
1977                  * Only set up type/code association. Completely mapping
1978                  * this usage may overwrite the axis resolution and range.
1979                  */
1980                 usage->type = EV_ABS;
1981                 usage->code = ABS_WHEEL;
1982                 set_bit(EV_ABS, input->evbit);
1983                 features->device_type |= WACOM_DEVICETYPE_PAD;
1984                 break;
1985         case WACOM_HID_WD_BUTTONCONFIG:
1986                 wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
1987                 features->device_type |= WACOM_DEVICETYPE_PAD;
1988                 break;
1989         case WACOM_HID_WD_ONSCREEN_KEYBOARD:
1990                 wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
1991                 features->device_type |= WACOM_DEVICETYPE_PAD;
1992                 break;
1993         case WACOM_HID_WD_CONTROLPANEL:
1994                 wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
1995                 features->device_type |= WACOM_DEVICETYPE_PAD;
1996                 break;
1997         case WACOM_HID_WD_MODE_CHANGE:
1998                 /* do not overwrite previous data */
1999                 if (!wacom_wac->has_mode_change) {
2000                         wacom_wac->has_mode_change = true;
2001                         wacom_wac->is_direct_mode = true;
2002                 }
2003                 features->device_type |= WACOM_DEVICETYPE_PAD;
2004                 break;
2005         }
2006
2007         switch (equivalent_usage & 0xfffffff0) {
2008         case WACOM_HID_WD_EXPRESSKEY00:
2009                 wacom_map_usage(input, usage, field, EV_KEY,
2010                                 wacom_numbered_button_to_key(features->numbered_buttons),
2011                                 0);
2012                 features->numbered_buttons++;
2013                 features->device_type |= WACOM_DEVICETYPE_PAD;
2014                 break;
2015         }
2016 }
2017
2018 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
2019                 struct hid_usage *usage, __s32 value)
2020 {
2021         struct wacom *wacom = hid_get_drvdata(hdev);
2022         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2023         struct input_dev *input = wacom_wac->pad_input;
2024         struct wacom_features *features = &wacom_wac->features;
2025         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2026         int i;
2027         bool do_report = false;
2028
2029         /*
2030          * Avoid reporting this event and setting inrange_state if this usage
2031          * hasn't been mapped.
2032          */
2033         if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2034                 return;
2035
2036         if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2037                 if (usage->hid != WACOM_HID_WD_TOUCHRING)
2038                         wacom_wac->hid_data.inrange_state |= value;
2039         }
2040
2041         switch (equivalent_usage) {
2042         case WACOM_HID_WD_TOUCHRING:
2043                 /*
2044                  * Userspace expects touchrings to increase in value with
2045                  * clockwise gestures and have their zero point at the
2046                  * tablet's left. HID events "should" be clockwise-
2047                  * increasing and zero at top, though the MobileStudio
2048                  * Pro and 2nd-gen Intuos Pro don't do this...
2049                  */
2050                 if (hdev->vendor == 0x56a &&
2051                     (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2052                      hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
2053                      hdev->product == 0x392 ||                            /* Intuos Pro 2 */
2054                      hdev->product == 0x399)) {                           /* MobileStudio Pro */
2055                         value = (field->logical_maximum - value);
2056
2057                         if (hdev->product == 0x357 || hdev->product == 0x358 ||
2058                             hdev->product == 0x392)
2059                                 value = wacom_offset_rotation(input, usage, value, 3, 16);
2060                         else if (hdev->product == 0x34d || hdev->product == 0x34e ||
2061                                  hdev->product == 0x399)
2062                                 value = wacom_offset_rotation(input, usage, value, 1, 2);
2063                 }
2064                 else {
2065                         value = wacom_offset_rotation(input, usage, value, 1, 4);
2066                 }
2067                 do_report = true;
2068                 break;
2069         case WACOM_HID_WD_TOUCHRINGSTATUS:
2070                 if (!value)
2071                         input_event(input, usage->type, usage->code, 0);
2072                 break;
2073
2074         case WACOM_HID_WD_MUTE_DEVICE:
2075         case WACOM_HID_WD_TOUCHONOFF:
2076                 if (wacom_wac->shared->touch_input) {
2077                         bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2078
2079                         if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2080                                 *is_touch_on = !(*is_touch_on);
2081                         else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2082                                 *is_touch_on = value;
2083
2084                         input_report_switch(wacom_wac->shared->touch_input,
2085                                             SW_MUTE_DEVICE, !(*is_touch_on));
2086                         input_sync(wacom_wac->shared->touch_input);
2087                 }
2088                 break;
2089
2090         case WACOM_HID_WD_MODE_CHANGE:
2091                 if (wacom_wac->is_direct_mode != value) {
2092                         wacom_wac->is_direct_mode = value;
2093                         wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2094                 }
2095                 break;
2096
2097         case WACOM_HID_WD_BUTTONCENTER:
2098                 for (i = 0; i < wacom->led.count; i++)
2099                         wacom_update_led(wacom, features->numbered_buttons,
2100                                          value, i);
2101                  /* fall through*/
2102         default:
2103                 do_report = true;
2104                 break;
2105         }
2106
2107         if (do_report) {
2108                 input_event(input, usage->type, usage->code, value);
2109                 if (value)
2110                         wacom_wac->hid_data.pad_input_event_flag = true;
2111         }
2112 }
2113
2114 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2115                 struct hid_report *report)
2116 {
2117         struct wacom *wacom = hid_get_drvdata(hdev);
2118         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2119
2120         wacom_wac->hid_data.inrange_state = 0;
2121 }
2122
2123 static void wacom_wac_pad_report(struct hid_device *hdev,
2124                 struct hid_report *report, struct hid_field *field)
2125 {
2126         struct wacom *wacom = hid_get_drvdata(hdev);
2127         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2128         struct input_dev *input = wacom_wac->pad_input;
2129         bool active = wacom_wac->hid_data.inrange_state != 0;
2130
2131         /* report prox for expresskey events */
2132         if (wacom_wac->hid_data.pad_input_event_flag) {
2133                 input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2134                 input_sync(input);
2135                 if (!active)
2136                         wacom_wac->hid_data.pad_input_event_flag = false;
2137         }
2138 }
2139
2140 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2141                 struct hid_field *field, struct hid_usage *usage)
2142 {
2143         struct wacom *wacom = hid_get_drvdata(hdev);
2144         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2145         struct wacom_features *features = &wacom_wac->features;
2146         struct input_dev *input = wacom_wac->pen_input;
2147         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2148
2149         switch (equivalent_usage) {
2150         case HID_GD_X:
2151                 wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2152                 break;
2153         case HID_GD_Y:
2154                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2155                 break;
2156         case WACOM_HID_WD_DISTANCE:
2157         case HID_GD_Z:
2158                 wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2159                 break;
2160         case HID_DG_TIPPRESSURE:
2161                 wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2162                 break;
2163         case HID_DG_INRANGE:
2164                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2165                 break;
2166         case HID_DG_INVERT:
2167                 wacom_map_usage(input, usage, field, EV_KEY,
2168                                 BTN_TOOL_RUBBER, 0);
2169                 break;
2170         case HID_DG_TILT_X:
2171                 wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2172                 break;
2173         case HID_DG_TILT_Y:
2174                 wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2175                 break;
2176         case HID_DG_TWIST:
2177                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2178                 break;
2179         case HID_DG_ERASER:
2180         case HID_DG_TIPSWITCH:
2181                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2182                 break;
2183         case HID_DG_BARRELSWITCH:
2184                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2185                 break;
2186         case HID_DG_BARRELSWITCH2:
2187                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2188                 break;
2189         case HID_DG_TOOLSERIALNUMBER:
2190                 features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2191                 wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2192                 break;
2193         case WACOM_HID_WD_SENSE:
2194                 features->quirks |= WACOM_QUIRK_SENSE;
2195                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2196                 break;
2197         case WACOM_HID_WD_SERIALHI:
2198                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2199
2200                 if (!(features->quirks & WACOM_QUIRK_AESPEN)) {
2201                         set_bit(EV_KEY, input->evbit);
2202                         input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2203                         input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2204                         input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
2205                         input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
2206                         input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2207                         if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) {
2208                                 input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
2209                                 input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
2210                         }
2211                 }
2212                 break;
2213         case WACOM_HID_WD_FINGERWHEEL:
2214                 wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2215                 break;
2216         }
2217 }
2218
2219 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2220                 struct hid_usage *usage, __s32 value)
2221 {
2222         struct wacom *wacom = hid_get_drvdata(hdev);
2223         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2224         struct wacom_features *features = &wacom_wac->features;
2225         struct input_dev *input = wacom_wac->pen_input;
2226         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2227
2228         if (wacom_wac->is_invalid_bt_frame)
2229                 return;
2230
2231         switch (equivalent_usage) {
2232         case HID_GD_Z:
2233                 /*
2234                  * HID_GD_Z "should increase as the control's position is
2235                  * moved from high to low", while ABS_DISTANCE instead
2236                  * increases in value as the tool moves from low to high.
2237                  */
2238                 value = field->logical_maximum - value;
2239                 break;
2240         case HID_DG_INRANGE:
2241                 wacom_wac->hid_data.inrange_state = value;
2242                 if (!(features->quirks & WACOM_QUIRK_SENSE))
2243                         wacom_wac->hid_data.sense_state = value;
2244                 return;
2245         case HID_DG_INVERT:
2246                 wacom_wac->hid_data.invert_state = value;
2247                 return;
2248         case HID_DG_ERASER:
2249         case HID_DG_TIPSWITCH:
2250                 wacom_wac->hid_data.tipswitch |= value;
2251                 return;
2252         case HID_DG_BARRELSWITCH:
2253                 wacom_wac->hid_data.barrelswitch = value;
2254                 return;
2255         case HID_DG_BARRELSWITCH2:
2256                 wacom_wac->hid_data.barrelswitch2 = value;
2257                 return;
2258         case HID_DG_TOOLSERIALNUMBER:
2259                 if (value) {
2260                         wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2261                         wacom_wac->serial[0] |= (__u32)value;
2262                 }
2263                 return;
2264         case HID_DG_TWIST:
2265                 /*
2266                  * Userspace expects pen twist to have its zero point when
2267                  * the buttons/finger is on the tablet's left. HID values
2268                  * are zero when buttons are toward the top.
2269                  */
2270                 value = wacom_offset_rotation(input, usage, value, 1, 4);
2271                 break;
2272         case WACOM_HID_WD_SENSE:
2273                 wacom_wac->hid_data.sense_state = value;
2274                 return;
2275         case WACOM_HID_WD_SERIALHI:
2276                 if (value) {
2277                         wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2278                         wacom_wac->serial[0] |= ((__u64)value) << 32;
2279                         /*
2280                          * Non-USI EMR devices may contain additional tool type
2281                          * information here. See WACOM_HID_WD_TOOLTYPE case for
2282                          * more details.
2283                          */
2284                         if (value >> 20 == 1) {
2285                                 wacom_wac->id[0] |= value & 0xFFFFF;
2286                         }
2287                 }
2288                 return;
2289         case WACOM_HID_WD_TOOLTYPE:
2290                 /*
2291                  * Some devices (MobileStudio Pro, and possibly later
2292                  * devices as well) do not return the complete tool
2293                  * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2294                  * bitwise OR so the complete value can be built
2295                  * up over time :(
2296                  */
2297                 wacom_wac->id[0] |= value;
2298                 return;
2299         case WACOM_HID_WD_OFFSETLEFT:
2300                 if (features->offset_left && value != features->offset_left)
2301                         hid_warn(hdev, "%s: overriding existing left offset "
2302                                  "%d -> %d\n", __func__, value,
2303                                  features->offset_left);
2304                 features->offset_left = value;
2305                 return;
2306         case WACOM_HID_WD_OFFSETRIGHT:
2307                 if (features->offset_right && value != features->offset_right)
2308                         hid_warn(hdev, "%s: overriding existing right offset "
2309                                  "%d -> %d\n", __func__, value,
2310                                  features->offset_right);
2311                 features->offset_right = value;
2312                 return;
2313         case WACOM_HID_WD_OFFSETTOP:
2314                 if (features->offset_top && value != features->offset_top)
2315                         hid_warn(hdev, "%s: overriding existing top offset "
2316                                  "%d -> %d\n", __func__, value,
2317                                  features->offset_top);
2318                 features->offset_top = value;
2319                 return;
2320         case WACOM_HID_WD_OFFSETBOTTOM:
2321                 if (features->offset_bottom && value != features->offset_bottom)
2322                         hid_warn(hdev, "%s: overriding existing bottom offset "
2323                                  "%d -> %d\n", __func__, value,
2324                                  features->offset_bottom);
2325                 features->offset_bottom = value;
2326                 return;
2327         case WACOM_HID_WD_REPORT_VALID:
2328                 wacom_wac->is_invalid_bt_frame = !value;
2329                 return;
2330         }
2331
2332         /* send pen events only when touch is up or forced out
2333          * or touch arbitration is off
2334          */
2335         if (!usage->type || delay_pen_events(wacom_wac))
2336                 return;
2337
2338         /* send pen events only when the pen is in range */
2339         if (wacom_wac->hid_data.inrange_state)
2340                 input_event(input, usage->type, usage->code, value);
2341         else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2342                 input_event(input, usage->type, usage->code, 0);
2343 }
2344
2345 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2346                 struct hid_report *report)
2347 {
2348         struct wacom *wacom = hid_get_drvdata(hdev);
2349         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2350
2351         wacom_wac->is_invalid_bt_frame = false;
2352         return;
2353 }
2354
2355 static void wacom_wac_pen_report(struct hid_device *hdev,
2356                 struct hid_report *report)
2357 {
2358         struct wacom *wacom = hid_get_drvdata(hdev);
2359         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2360         struct input_dev *input = wacom_wac->pen_input;
2361         bool range = wacom_wac->hid_data.inrange_state;
2362         bool sense = wacom_wac->hid_data.sense_state;
2363
2364         if (wacom_wac->is_invalid_bt_frame)
2365                 return;
2366
2367         if (!wacom_wac->tool[0] && range) { /* first in range */
2368                 /* Going into range select tool */
2369                 if (wacom_wac->hid_data.invert_state)
2370                         wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2371                 else if (wacom_wac->id[0])
2372                         wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2373                 else
2374                         wacom_wac->tool[0] = BTN_TOOL_PEN;
2375         }
2376
2377         /* keep pen state for touch events */
2378         wacom_wac->shared->stylus_in_proximity = sense;
2379
2380         if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2381                 int id = wacom_wac->id[0];
2382                 int sw_state = wacom_wac->hid_data.barrelswitch |
2383                                (wacom_wac->hid_data.barrelswitch2 << 1);
2384
2385                 input_report_key(input, BTN_STYLUS, sw_state == 1);
2386                 input_report_key(input, BTN_STYLUS2, sw_state == 2);
2387                 input_report_key(input, BTN_STYLUS3, sw_state == 3);
2388
2389                 /*
2390                  * Non-USI EMR tools should have their IDs mangled to
2391                  * match the legacy behavior of wacom_intuos_general
2392                  */
2393                 if (wacom_wac->serial[0] >> 52 == 1)
2394                         id = wacom_intuos_id_mangle(id);
2395
2396                 /*
2397                  * To ensure compatibility with xf86-input-wacom, we should
2398                  * report the BTN_TOOL_* event prior to the ABS_MISC or
2399                  * MSC_SERIAL events.
2400                  */
2401                 input_report_key(input, BTN_TOUCH,
2402                                 wacom_wac->hid_data.tipswitch);
2403                 input_report_key(input, wacom_wac->tool[0], sense);
2404                 if (wacom_wac->serial[0]) {
2405                         input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2406                         input_report_abs(input, ABS_MISC, sense ? id : 0);
2407                 }
2408
2409                 wacom_wac->hid_data.tipswitch = false;
2410
2411                 input_sync(input);
2412         }
2413
2414         if (!sense) {
2415                 wacom_wac->tool[0] = 0;
2416                 wacom_wac->id[0] = 0;
2417                 wacom_wac->serial[0] = 0;
2418         }
2419 }
2420
2421 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2422                 struct hid_field *field, struct hid_usage *usage)
2423 {
2424         struct wacom *wacom = hid_get_drvdata(hdev);
2425         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2426         struct input_dev *input = wacom_wac->touch_input;
2427         unsigned touch_max = wacom_wac->features.touch_max;
2428         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2429
2430         switch (equivalent_usage) {
2431         case HID_GD_X:
2432                 if (touch_max == 1)
2433                         wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2434                 else
2435                         wacom_map_usage(input, usage, field, EV_ABS,
2436                                         ABS_MT_POSITION_X, 4);
2437                 break;
2438         case HID_GD_Y:
2439                 if (touch_max == 1)
2440                         wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2441                 else
2442                         wacom_map_usage(input, usage, field, EV_ABS,
2443                                         ABS_MT_POSITION_Y, 4);
2444                 break;
2445         case HID_DG_WIDTH:
2446         case HID_DG_HEIGHT:
2447                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2448                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2449                 input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2450                 break;
2451         case HID_DG_TIPSWITCH:
2452                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2453                 break;
2454         case HID_DG_CONTACTCOUNT:
2455                 wacom_wac->hid_data.cc_report = field->report->id;
2456                 wacom_wac->hid_data.cc_index = field->index;
2457                 wacom_wac->hid_data.cc_value_index = usage->usage_index;
2458                 break;
2459         case HID_DG_CONTACTID:
2460                 if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2461                         /*
2462                          * The HID descriptor for G11 sensors leaves logical
2463                          * maximum set to '1' despite it being a multitouch
2464                          * device. Override to a sensible number.
2465                          */
2466                         field->logical_maximum = 255;
2467                 }
2468                 break;
2469         }
2470 }
2471
2472 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2473                 struct input_dev *input)
2474 {
2475         struct hid_data *hid_data = &wacom_wac->hid_data;
2476         bool mt = wacom_wac->features.touch_max > 1;
2477         bool prox = hid_data->tipswitch &&
2478                     report_touch_events(wacom_wac);
2479
2480         if (wacom_wac->shared->has_mute_touch_switch &&
2481             !wacom_wac->shared->is_touch_on) {
2482                 if (!wacom_wac->shared->touch_down)
2483                         return;
2484                 prox = 0;
2485         }
2486
2487         wacom_wac->hid_data.num_received++;
2488         if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2489                 return;
2490
2491         if (mt) {
2492                 int slot;
2493
2494                 slot = input_mt_get_slot_by_key(input, hid_data->id);
2495                 input_mt_slot(input, slot);
2496                 input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2497         }
2498         else {
2499                 input_report_key(input, BTN_TOUCH, prox);
2500         }
2501
2502         if (prox) {
2503                 input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2504                                  hid_data->x);
2505                 input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2506                                  hid_data->y);
2507
2508                 if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2509                         input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2510                         input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2511                         if (hid_data->width != hid_data->height)
2512                                 input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2513                 }
2514         }
2515 }
2516
2517 static void wacom_wac_finger_event(struct hid_device *hdev,
2518                 struct hid_field *field, struct hid_usage *usage, __s32 value)
2519 {
2520         struct wacom *wacom = hid_get_drvdata(hdev);
2521         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2522         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2523         struct wacom_features *features = &wacom->wacom_wac.features;
2524
2525         if (wacom_wac->is_invalid_bt_frame)
2526                 return;
2527
2528         switch (equivalent_usage) {
2529         case HID_GD_X:
2530                 wacom_wac->hid_data.x = value;
2531                 break;
2532         case HID_GD_Y:
2533                 wacom_wac->hid_data.y = value;
2534                 break;
2535         case HID_DG_WIDTH:
2536                 wacom_wac->hid_data.width = value;
2537                 break;
2538         case HID_DG_HEIGHT:
2539                 wacom_wac->hid_data.height = value;
2540                 break;
2541         case HID_DG_CONTACTID:
2542                 wacom_wac->hid_data.id = value;
2543                 break;
2544         case HID_DG_TIPSWITCH:
2545                 wacom_wac->hid_data.tipswitch = value;
2546                 break;
2547         case WACOM_HID_WT_REPORT_VALID:
2548                 wacom_wac->is_invalid_bt_frame = !value;
2549                 return;
2550         case HID_DG_CONTACTMAX:
2551                 features->touch_max = value;
2552                 return;
2553         }
2554
2555         if (usage->usage_index + 1 == field->report_count) {
2556                 if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2557                         wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2558         }
2559 }
2560
2561 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2562                 struct hid_report *report)
2563 {
2564         struct wacom *wacom = hid_get_drvdata(hdev);
2565         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2566         struct hid_data* hid_data = &wacom_wac->hid_data;
2567         int i;
2568
2569         wacom_wac->is_invalid_bt_frame = false;
2570
2571         for (i = 0; i < report->maxfield; i++) {
2572                 struct hid_field *field = report->field[i];
2573                 int j;
2574
2575                 for (j = 0; j < field->maxusage; j++) {
2576                         struct hid_usage *usage = &field->usage[j];
2577                         unsigned int equivalent_usage =
2578                                 wacom_equivalent_usage(usage->hid);
2579
2580                         switch (equivalent_usage) {
2581                         case HID_GD_X:
2582                         case HID_GD_Y:
2583                         case HID_DG_WIDTH:
2584                         case HID_DG_HEIGHT:
2585                         case HID_DG_CONTACTID:
2586                         case HID_DG_INRANGE:
2587                         case HID_DG_INVERT:
2588                         case HID_DG_TIPSWITCH:
2589                                 hid_data->last_slot_field = equivalent_usage;
2590                                 break;
2591                         }
2592                 }
2593         }
2594 }
2595
2596 static void wacom_wac_finger_report(struct hid_device *hdev,
2597                 struct hid_report *report)
2598 {
2599         struct wacom *wacom = hid_get_drvdata(hdev);
2600         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2601         struct input_dev *input = wacom_wac->touch_input;
2602         unsigned touch_max = wacom_wac->features.touch_max;
2603         struct hid_data *hid_data = &wacom_wac->hid_data;
2604
2605         /* If more packets of data are expected, give us a chance to
2606          * process them rather than immediately syncing a partial
2607          * update.
2608          */
2609         if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2610                 return;
2611
2612         if (touch_max > 1)
2613                 input_mt_sync_frame(input);
2614
2615         input_sync(input);
2616         wacom_wac->hid_data.num_received = 0;
2617         hid_data->num_expected = 0;
2618
2619         /* keep touch state for pen event */
2620         wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2621 }
2622
2623 void wacom_wac_usage_mapping(struct hid_device *hdev,
2624                 struct hid_field *field, struct hid_usage *usage)
2625 {
2626         struct wacom *wacom = hid_get_drvdata(hdev);
2627         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2628         struct wacom_features *features = &wacom_wac->features;
2629
2630         if (WACOM_DIRECT_DEVICE(field))
2631                 features->device_type |= WACOM_DEVICETYPE_DIRECT;
2632
2633         /* usage tests must precede field tests */
2634         if (WACOM_BATTERY_USAGE(usage))
2635                 wacom_wac_battery_usage_mapping(hdev, field, usage);
2636         else if (WACOM_PAD_FIELD(field))
2637                 wacom_wac_pad_usage_mapping(hdev, field, usage);
2638         else if (WACOM_PEN_FIELD(field))
2639                 wacom_wac_pen_usage_mapping(hdev, field, usage);
2640         else if (WACOM_FINGER_FIELD(field))
2641                 wacom_wac_finger_usage_mapping(hdev, field, usage);
2642 }
2643
2644 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2645                 struct hid_usage *usage, __s32 value)
2646 {
2647         struct wacom *wacom = hid_get_drvdata(hdev);
2648
2649         if (wacom->wacom_wac.features.type != HID_GENERIC)
2650                 return;
2651
2652         if (value > field->logical_maximum || value < field->logical_minimum)
2653                 return;
2654
2655         /* usage tests must precede field tests */
2656         if (WACOM_BATTERY_USAGE(usage))
2657                 wacom_wac_battery_event(hdev, field, usage, value);
2658         else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2659                 wacom_wac_pad_event(hdev, field, usage, value);
2660         else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2661                 wacom_wac_pen_event(hdev, field, usage, value);
2662         else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2663                 wacom_wac_finger_event(hdev, field, usage, value);
2664 }
2665
2666 static void wacom_report_events(struct hid_device *hdev,
2667                                 struct hid_report *report, int collection_index,
2668                                 int field_index)
2669 {
2670         int r;
2671
2672         for (r = field_index; r < report->maxfield; r++) {
2673                 struct hid_field *field;
2674                 unsigned count, n;
2675
2676                 field = report->field[r];
2677                 count = field->report_count;
2678
2679                 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2680                         continue;
2681
2682                 for (n = 0 ; n < count; n++) {
2683                         if (field->usage[n].collection_index == collection_index)
2684                                 wacom_wac_event(hdev, field, &field->usage[n],
2685                                                 field->value[n]);
2686                         else
2687                                 return;
2688                 }
2689         }
2690 }
2691
2692 static void wacom_set_num_expected(struct hid_device *hdev,
2693                                    struct hid_report *report,
2694                                    int collection_index,
2695                                    struct hid_field *field,
2696                                    int field_index)
2697 {
2698         struct wacom *wacom = hid_get_drvdata(hdev);
2699         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2700         struct hid_data *hid_data = &wacom_wac->hid_data;
2701         unsigned int original_collection_level =
2702                 hdev->collection[collection_index].level;
2703         bool end_collection = false;
2704         int i;
2705
2706         if (hid_data->num_expected)
2707                 return;
2708
2709         // find the contact count value for this segment
2710         for (i = field_index; i < report->maxfield && !end_collection; i++) {
2711                 struct hid_field *field = report->field[i];
2712                 unsigned int field_level =
2713                         hdev->collection[field->usage[0].collection_index].level;
2714                 unsigned int j;
2715
2716                 if (field_level != original_collection_level)
2717                         continue;
2718
2719                 for (j = 0; j < field->maxusage; j++) {
2720                         struct hid_usage *usage = &field->usage[j];
2721
2722                         if (usage->collection_index != collection_index) {
2723                                 end_collection = true;
2724                                 break;
2725                         }
2726                         if (wacom_equivalent_usage(usage->hid) == HID_DG_CONTACTCOUNT) {
2727                                 hid_data->cc_report = report->id;
2728                                 hid_data->cc_index = i;
2729                                 hid_data->cc_value_index = j;
2730
2731                                 if (hid_data->cc_report != 0 &&
2732                                     hid_data->cc_index >= 0) {
2733
2734                                         struct hid_field *field =
2735                                                 report->field[hid_data->cc_index];
2736                                         int value =
2737                                                 field->value[hid_data->cc_value_index];
2738
2739                                         if (value)
2740                                                 hid_data->num_expected = value;
2741                                 }
2742                         }
2743                 }
2744         }
2745
2746         if (hid_data->cc_report == 0 || hid_data->cc_index < 0)
2747                 hid_data->num_expected = wacom_wac->features.touch_max;
2748 }
2749
2750 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2751                          int collection_index, struct hid_field *field,
2752                          int field_index)
2753 {
2754         struct wacom *wacom = hid_get_drvdata(hdev);
2755
2756         if (WACOM_FINGER_FIELD(field))
2757                 wacom_set_num_expected(hdev, report, collection_index, field,
2758                                        field_index);
2759         wacom_report_events(hdev, report, collection_index, field_index);
2760
2761         /*
2762          * Non-input reports may be sent prior to the device being
2763          * completely initialized. Since only their events need
2764          * to be processed, exit after 'wacom_report_events' has
2765          * been called to prevent potential crashes in the report-
2766          * processing functions.
2767          */
2768         if (report->type != HID_INPUT_REPORT)
2769                 return -1;
2770
2771         if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2772                 wacom_wac_pen_report(hdev, report);
2773         else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2774                 wacom_wac_finger_report(hdev, report);
2775
2776         return 0;
2777 }
2778
2779 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2780 {
2781         struct wacom *wacom = hid_get_drvdata(hdev);
2782         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2783         struct hid_field *field;
2784         bool pad_in_hid_field = false, pen_in_hid_field = false,
2785                 finger_in_hid_field = false, true_pad = false;
2786         int r;
2787         int prev_collection = -1;
2788
2789         if (wacom_wac->features.type != HID_GENERIC)
2790                 return;
2791
2792         for (r = 0; r < report->maxfield; r++) {
2793                 field = report->field[r];
2794
2795                 if (WACOM_PAD_FIELD(field))
2796                         pad_in_hid_field = true;
2797                 if (WACOM_PEN_FIELD(field))
2798                         pen_in_hid_field = true;
2799                 if (WACOM_FINGER_FIELD(field))
2800                         finger_in_hid_field = true;
2801                 if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
2802                         true_pad = true;
2803         }
2804
2805         wacom_wac_battery_pre_report(hdev, report);
2806
2807         if (pad_in_hid_field && wacom->wacom_wac.pad_input)
2808                 wacom_wac_pad_pre_report(hdev, report);
2809         if (pen_in_hid_field && wacom->wacom_wac.pen_input)
2810                 wacom_wac_pen_pre_report(hdev, report);
2811         if (finger_in_hid_field && wacom->wacom_wac.touch_input)
2812                 wacom_wac_finger_pre_report(hdev, report);
2813
2814         for (r = 0; r < report->maxfield; r++) {
2815                 field = report->field[r];
2816
2817                 if (field->usage[0].collection_index != prev_collection) {
2818                         if (wacom_wac_collection(hdev, report,
2819                                 field->usage[0].collection_index, field, r) < 0)
2820                                 return;
2821                         prev_collection = field->usage[0].collection_index;
2822                 }
2823         }
2824
2825         wacom_wac_battery_report(hdev, report);
2826
2827         if (true_pad && wacom->wacom_wac.pad_input)
2828                 wacom_wac_pad_report(hdev, report, field);
2829 }
2830
2831 static int wacom_bpt_touch(struct wacom_wac *wacom)
2832 {
2833         struct wacom_features *features = &wacom->features;
2834         struct input_dev *input = wacom->touch_input;
2835         struct input_dev *pad_input = wacom->pad_input;
2836         unsigned char *data = wacom->data;
2837         int i;
2838
2839         if (data[0] != 0x02)
2840             return 0;
2841
2842         for (i = 0; i < 2; i++) {
2843                 int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2844                 bool touch = report_touch_events(wacom)
2845                            && (data[offset + 3] & 0x80);
2846
2847                 input_mt_slot(input, i);
2848                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2849                 if (touch) {
2850                         int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2851                         int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2852                         if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2853                                 x <<= 5;
2854                                 y <<= 5;
2855                         }
2856                         input_report_abs(input, ABS_MT_POSITION_X, x);
2857                         input_report_abs(input, ABS_MT_POSITION_Y, y);
2858                 }
2859         }
2860
2861         input_mt_sync_frame(input);
2862
2863         input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2864         input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2865         input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2866         input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2867         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2868
2869         return 1;
2870 }
2871
2872 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2873 {
2874         struct wacom_features *features = &wacom->features;
2875         struct input_dev *input = wacom->touch_input;
2876         bool touch = data[1] & 0x80;
2877         int slot = input_mt_get_slot_by_key(input, data[0]);
2878
2879         if (slot < 0)
2880                 return;
2881
2882         touch = touch && report_touch_events(wacom);
2883
2884         input_mt_slot(input, slot);
2885         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2886
2887         if (touch) {
2888                 int x = (data[2] << 4) | (data[4] >> 4);
2889                 int y = (data[3] << 4) | (data[4] & 0x0f);
2890                 int width, height;
2891
2892                 if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2893                         width  = data[5] * 100;
2894                         height = data[6] * 100;
2895                 } else {
2896                         /*
2897                          * "a" is a scaled-down area which we assume is
2898                          * roughly circular and which can be described as:
2899                          * a=(pi*r^2)/C.
2900                          */
2901                         int a = data[5];
2902                         int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2903                         int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2904                         width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2905                         height = width * y_res / x_res;
2906                 }
2907
2908                 input_report_abs(input, ABS_MT_POSITION_X, x);
2909                 input_report_abs(input, ABS_MT_POSITION_Y, y);
2910                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2911                 input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2912         }
2913 }
2914
2915 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2916 {
2917         struct input_dev *input = wacom->pad_input;
2918         struct wacom_features *features = &wacom->features;
2919
2920         if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2921                 input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2922                 input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2923         } else {
2924                 input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2925                 input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2926         }
2927         input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2928         input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2929 }
2930
2931 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2932 {
2933         unsigned char *data = wacom->data;
2934         int count = data[1] & 0x07;
2935         int  touch_changed = 0, i;
2936
2937         if (data[0] != 0x02)
2938             return 0;
2939
2940         /* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2941         for (i = 0; i < count; i++) {
2942                 int offset = (8 * i) + 2;
2943                 int msg_id = data[offset];
2944
2945                 if (msg_id >= 2 && msg_id <= 17) {
2946                         wacom_bpt3_touch_msg(wacom, data + offset);
2947                         touch_changed++;
2948                 } else if (msg_id == 128)
2949                         wacom_bpt3_button_msg(wacom, data + offset);
2950
2951         }
2952
2953         /* only update touch if we actually have a touchpad and touch data changed */
2954         if (wacom->touch_input && touch_changed) {
2955                 input_mt_sync_frame(wacom->touch_input);
2956                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2957         }
2958
2959         return 1;
2960 }
2961
2962 static int wacom_bpt_pen(struct wacom_wac *wacom)
2963 {
2964         struct wacom_features *features = &wacom->features;
2965         struct input_dev *input = wacom->pen_input;
2966         unsigned char *data = wacom->data;
2967         int x = 0, y = 0, p = 0, d = 0;
2968         bool pen = false, btn1 = false, btn2 = false;
2969         bool range, prox, rdy;
2970
2971         if (data[0] != WACOM_REPORT_PENABLED)
2972             return 0;
2973
2974         range = (data[1] & 0x80) == 0x80;
2975         prox = (data[1] & 0x40) == 0x40;
2976         rdy = (data[1] & 0x20) == 0x20;
2977
2978         wacom->shared->stylus_in_proximity = range;
2979         if (delay_pen_events(wacom))
2980                 return 0;
2981
2982         if (rdy) {
2983                 p = le16_to_cpup((__le16 *)&data[6]);
2984                 pen = data[1] & 0x01;
2985                 btn1 = data[1] & 0x02;
2986                 btn2 = data[1] & 0x04;
2987         }
2988         if (prox) {
2989                 x = le16_to_cpup((__le16 *)&data[2]);
2990                 y = le16_to_cpup((__le16 *)&data[4]);
2991
2992                 if (data[1] & 0x08) {
2993                         wacom->tool[0] = BTN_TOOL_RUBBER;
2994                         wacom->id[0] = ERASER_DEVICE_ID;
2995                 } else {
2996                         wacom->tool[0] = BTN_TOOL_PEN;
2997                         wacom->id[0] = STYLUS_DEVICE_ID;
2998                 }
2999                 wacom->reporting_data = true;
3000         }
3001         if (range) {
3002                 /*
3003                  * Convert distance from out prox to distance from tablet.
3004                  * distance will be greater than distance_max once
3005                  * touching and applying pressure; do not report negative
3006                  * distance.
3007                  */
3008                 if (data[8] <= features->distance_max)
3009                         d = features->distance_max - data[8];
3010         } else {
3011                 wacom->id[0] = 0;
3012         }
3013
3014         if (wacom->reporting_data) {
3015                 input_report_key(input, BTN_TOUCH, pen);
3016                 input_report_key(input, BTN_STYLUS, btn1);
3017                 input_report_key(input, BTN_STYLUS2, btn2);
3018
3019                 if (prox || !range) {
3020                         input_report_abs(input, ABS_X, x);
3021                         input_report_abs(input, ABS_Y, y);
3022                 }
3023                 input_report_abs(input, ABS_PRESSURE, p);
3024                 input_report_abs(input, ABS_DISTANCE, d);
3025
3026                 input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
3027                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
3028         }
3029
3030         if (!range) {
3031                 wacom->reporting_data = false;
3032         }
3033
3034         return 1;
3035 }
3036
3037 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
3038 {
3039         struct wacom_features *features = &wacom->features;
3040
3041         if ((features->type == INTUOSHT2) &&
3042             (features->device_type & WACOM_DEVICETYPE_PEN))
3043                 return wacom_intuos_irq(wacom);
3044         else if (len == WACOM_PKGLEN_BBTOUCH)
3045                 return wacom_bpt_touch(wacom);
3046         else if (len == WACOM_PKGLEN_BBTOUCH3)
3047                 return wacom_bpt3_touch(wacom);
3048         else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
3049                 return wacom_bpt_pen(wacom);
3050
3051         return 0;
3052 }
3053
3054 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
3055                 unsigned char *data)
3056 {
3057         unsigned char prefix;
3058
3059         /*
3060          * We need to reroute the event from the debug interface to the
3061          * pen interface.
3062          * We need to add the report ID to the actual pen report, so we
3063          * temporary overwrite the first byte to prevent having to kzalloc/kfree
3064          * and memcpy the report.
3065          */
3066         prefix = data[0];
3067         data[0] = WACOM_REPORT_BPAD_PEN;
3068
3069         /*
3070          * actually reroute the event.
3071          * No need to check if wacom->shared->pen is valid, hid_input_report()
3072          * will check for us.
3073          */
3074         hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3075                          WACOM_PKGLEN_PENABLED, 1);
3076
3077         data[0] = prefix;
3078 }
3079
3080 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3081                 unsigned char *data)
3082 {
3083         struct input_dev *input = wacom->touch_input;
3084         unsigned char *finger_data, prefix;
3085         unsigned id;
3086         int x, y;
3087         bool valid;
3088
3089         prefix = data[0];
3090
3091         for (id = 0; id < wacom->features.touch_max; id++) {
3092                 valid = !!(prefix & BIT(id)) &&
3093                         report_touch_events(wacom);
3094
3095                 input_mt_slot(input, id);
3096                 input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3097
3098                 if (!valid)
3099                         continue;
3100
3101                 finger_data = data + 1 + id * 3;
3102                 x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3103                 y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3104
3105                 input_report_abs(input, ABS_MT_POSITION_X, x);
3106                 input_report_abs(input, ABS_MT_POSITION_Y, y);
3107         }
3108
3109         input_mt_sync_frame(input);
3110
3111         input_report_key(input, BTN_LEFT, prefix & 0x40);
3112         input_report_key(input, BTN_RIGHT, prefix & 0x80);
3113
3114         /* keep touch state for pen event */
3115         wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3116
3117         return 1;
3118 }
3119
3120 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3121 {
3122         unsigned char *data = wacom->data;
3123
3124         if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3125               (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3126             (data[0] != WACOM_REPORT_BPAD_TOUCH))
3127                 return 0;
3128
3129         if (data[1] & 0x01)
3130                 wacom_bamboo_pad_pen_event(wacom, &data[1]);
3131
3132         if (data[1] & 0x02)
3133                 return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3134
3135         return 0;
3136 }
3137
3138 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3139 {
3140         unsigned char *data = wacom->data;
3141         int connected;
3142
3143         if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3144                 return 0;
3145
3146         connected = data[1] & 0x01;
3147         if (connected) {
3148                 int pid, battery, charging;
3149
3150                 if ((wacom->shared->type == INTUOSHT ||
3151                     wacom->shared->type == INTUOSHT2) &&
3152                     wacom->shared->touch_input &&
3153                     wacom->shared->touch_max) {
3154                         input_report_switch(wacom->shared->touch_input,
3155                                         SW_MUTE_DEVICE, data[5] & 0x40);
3156                         input_sync(wacom->shared->touch_input);
3157                 }
3158
3159                 pid = get_unaligned_be16(&data[6]);
3160                 battery = (data[5] & 0x3f) * 100 / 31;
3161                 charging = !!(data[5] & 0x80);
3162                 if (wacom->pid != pid) {
3163                         wacom->pid = pid;
3164                         wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3165                 }
3166
3167                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3168                                      battery, charging, 1, 0);
3169
3170         } else if (wacom->pid != 0) {
3171                 /* disconnected while previously connected */
3172                 wacom->pid = 0;
3173                 wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3174                 wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3175         }
3176
3177         return 0;
3178 }
3179
3180 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3181 {
3182         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3183         struct wacom_features *features = &wacom_wac->features;
3184         unsigned char *data = wacom_wac->data;
3185
3186         if (data[0] != WACOM_REPORT_USB)
3187                 return 0;
3188
3189         if ((features->type == INTUOSHT ||
3190             features->type == INTUOSHT2) &&
3191             wacom_wac->shared->touch_input &&
3192             features->touch_max) {
3193                 input_report_switch(wacom_wac->shared->touch_input,
3194                                     SW_MUTE_DEVICE, data[8] & 0x40);
3195                 input_sync(wacom_wac->shared->touch_input);
3196         }
3197
3198         if (data[9] & 0x02) { /* wireless module is attached */
3199                 int battery = (data[8] & 0x3f) * 100 / 31;
3200                 bool charging = !!(data[8] & 0x80);
3201
3202                 wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3203                                      battery, charging, battery || charging, 1);
3204
3205                 if (!wacom->battery.battery &&
3206                     !(features->quirks & WACOM_QUIRK_BATTERY)) {
3207                         features->quirks |= WACOM_QUIRK_BATTERY;
3208                         wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3209                 }
3210         }
3211         else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3212                  wacom->battery.battery) {
3213                 features->quirks &= ~WACOM_QUIRK_BATTERY;
3214                 wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3215                 wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3216         }
3217         return 0;
3218 }
3219
3220 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3221 {
3222         bool sync;
3223
3224         switch (wacom_wac->features.type) {
3225         case PENPARTNER:
3226                 sync = wacom_penpartner_irq(wacom_wac);
3227                 break;
3228
3229         case PL:
3230                 sync = wacom_pl_irq(wacom_wac);
3231                 break;
3232
3233         case WACOM_G4:
3234         case GRAPHIRE:
3235         case GRAPHIRE_BT:
3236         case WACOM_MO:
3237                 sync = wacom_graphire_irq(wacom_wac);
3238                 break;
3239
3240         case PTU:
3241                 sync = wacom_ptu_irq(wacom_wac);
3242                 break;
3243
3244         case DTU:
3245                 sync = wacom_dtu_irq(wacom_wac);
3246                 break;
3247
3248         case DTUS:
3249         case DTUSX:
3250                 sync = wacom_dtus_irq(wacom_wac);
3251                 break;
3252
3253         case INTUOS:
3254         case INTUOS3S:
3255         case INTUOS3:
3256         case INTUOS3L:
3257         case INTUOS4S:
3258         case INTUOS4:
3259         case INTUOS4L:
3260         case CINTIQ:
3261         case WACOM_BEE:
3262         case WACOM_13HD:
3263         case WACOM_21UX2:
3264         case WACOM_22HD:
3265         case WACOM_24HD:
3266         case WACOM_27QHD:
3267         case DTK:
3268         case CINTIQ_HYBRID:
3269         case CINTIQ_COMPANION_2:
3270                 sync = wacom_intuos_irq(wacom_wac);
3271                 break;
3272
3273         case INTUOS4WL:
3274                 sync = wacom_intuos_bt_irq(wacom_wac, len);
3275                 break;
3276
3277         case WACOM_24HDT:
3278         case WACOM_27QHDT:
3279                 sync = wacom_24hdt_irq(wacom_wac);
3280                 break;
3281
3282         case INTUOS5S:
3283         case INTUOS5:
3284         case INTUOS5L:
3285         case INTUOSPS:
3286         case INTUOSPM:
3287         case INTUOSPL:
3288                 if (len == WACOM_PKGLEN_BBTOUCH3)
3289                         sync = wacom_bpt3_touch(wacom_wac);
3290                 else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3291                         sync = wacom_status_irq(wacom_wac, len);
3292                 else
3293                         sync = wacom_intuos_irq(wacom_wac);
3294                 break;
3295
3296         case INTUOSP2_BT:
3297         case INTUOSP2S_BT:
3298         case INTUOSHT3_BT:
3299                 sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3300                 break;
3301
3302         case TABLETPC:
3303         case TABLETPCE:
3304         case TABLETPC2FG:
3305         case MTSCREEN:
3306         case MTTPC:
3307         case MTTPC_B:
3308                 sync = wacom_tpc_irq(wacom_wac, len);
3309                 break;
3310
3311         case BAMBOO_PT:
3312         case BAMBOO_PEN:
3313         case BAMBOO_TOUCH:
3314         case INTUOSHT:
3315         case INTUOSHT2:
3316                 if (wacom_wac->data[0] == WACOM_REPORT_USB)
3317                         sync = wacom_status_irq(wacom_wac, len);
3318                 else
3319                         sync = wacom_bpt_irq(wacom_wac, len);
3320                 break;
3321
3322         case BAMBOO_PAD:
3323                 sync = wacom_bamboo_pad_irq(wacom_wac, len);
3324                 break;
3325
3326         case WIRELESS:
3327                 sync = wacom_wireless_irq(wacom_wac, len);
3328                 break;
3329
3330         case REMOTE:
3331                 sync = false;
3332                 if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3333                         wacom_remote_status_irq(wacom_wac, len);
3334                 else
3335                         sync = wacom_remote_irq(wacom_wac, len);
3336                 break;
3337
3338         default:
3339                 sync = false;
3340                 break;
3341         }
3342
3343         if (sync) {
3344                 if (wacom_wac->pen_input)
3345                         input_sync(wacom_wac->pen_input);
3346                 if (wacom_wac->touch_input)
3347                         input_sync(wacom_wac->touch_input);
3348                 if (wacom_wac->pad_input)
3349                         input_sync(wacom_wac->pad_input);
3350         }
3351 }
3352
3353 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3354 {
3355         struct input_dev *input_dev = wacom_wac->pen_input;
3356
3357         input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3358
3359         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3360         __set_bit(BTN_STYLUS, input_dev->keybit);
3361         __set_bit(BTN_STYLUS2, input_dev->keybit);
3362
3363         input_set_abs_params(input_dev, ABS_DISTANCE,
3364                              0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3365 }
3366
3367 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3368 {
3369         struct input_dev *input_dev = wacom_wac->pen_input;
3370         struct wacom_features *features = &wacom_wac->features;
3371
3372         wacom_setup_basic_pro_pen(wacom_wac);
3373
3374         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3375         __set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3376         __set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3377         __set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3378
3379         input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3380         input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3381         input_abs_set_res(input_dev, ABS_TILT_X, 57);
3382         input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3383         input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3384 }
3385
3386 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3387 {
3388         struct input_dev *input_dev = wacom_wac->pen_input;
3389
3390         input_set_capability(input_dev, EV_REL, REL_WHEEL);
3391
3392         wacom_setup_cintiq(wacom_wac);
3393
3394         __set_bit(BTN_LEFT, input_dev->keybit);
3395         __set_bit(BTN_RIGHT, input_dev->keybit);
3396         __set_bit(BTN_MIDDLE, input_dev->keybit);
3397         __set_bit(BTN_SIDE, input_dev->keybit);
3398         __set_bit(BTN_EXTRA, input_dev->keybit);
3399         __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3400         __set_bit(BTN_TOOL_LENS, input_dev->keybit);
3401
3402         input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3403         input_abs_set_res(input_dev, ABS_RZ, 287);
3404         input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3405 }
3406
3407 void wacom_setup_device_quirks(struct wacom *wacom)
3408 {
3409         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
3410         struct wacom_features *features = &wacom->wacom_wac.features;
3411
3412         /* The pen and pad share the same interface on most devices */
3413         if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3414             features->type == DTUS ||
3415             (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3416                 if (features->device_type & WACOM_DEVICETYPE_PEN)
3417                         features->device_type |= WACOM_DEVICETYPE_PAD;
3418         }
3419
3420         /* touch device found but size is not defined. use default */
3421         if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3422                 features->x_max = 1023;
3423                 features->y_max = 1023;
3424         }
3425
3426         /*
3427          * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3428          * touch interface in its HID descriptor. If this is the touch
3429          * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3430          * tablet values.
3431          */
3432         if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3433                 (features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3434                 if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3435                         if (features->touch_max)
3436                                 features->device_type |= WACOM_DEVICETYPE_TOUCH;
3437                         if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3438                                 features->device_type |= WACOM_DEVICETYPE_PAD;
3439
3440                         if (features->type == INTUOSHT2) {
3441                                 features->x_max = features->x_max / 10;
3442                                 features->y_max = features->y_max / 10;
3443                         }
3444                         else {
3445                                 features->x_max = 4096;
3446                                 features->y_max = 4096;
3447                         }
3448                 }
3449                 else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3450                         features->device_type |= WACOM_DEVICETYPE_PAD;
3451                 }
3452         }
3453
3454         /*
3455          * Hack for the Bamboo One:
3456          * the device presents a PAD/Touch interface as most Bamboos and even
3457          * sends ghosts PAD data on it. However, later, we must disable this
3458          * ghost interface, and we can not detect it unless we set it here
3459          * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3460          */
3461         if (features->type == BAMBOO_PEN &&
3462             features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3463                 features->device_type |= WACOM_DEVICETYPE_PAD;
3464
3465         /*
3466          * Raw Wacom-mode pen and touch events both come from interface
3467          * 0, whose HID descriptor has an application usage of 0xFF0D
3468          * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3469          * out through the HID_GENERIC device created for interface 1,
3470          * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3471          */
3472         if (features->type == BAMBOO_PAD)
3473                 features->device_type = WACOM_DEVICETYPE_TOUCH;
3474
3475         if (features->type == REMOTE)
3476                 features->device_type = WACOM_DEVICETYPE_PAD;
3477
3478         if (features->type == INTUOSP2_BT ||
3479             features->type == INTUOSP2S_BT) {
3480                 features->device_type |= WACOM_DEVICETYPE_PEN |
3481                                          WACOM_DEVICETYPE_PAD |
3482                                          WACOM_DEVICETYPE_TOUCH;
3483                 features->quirks |= WACOM_QUIRK_BATTERY;
3484         }
3485
3486         if (features->type == INTUOSHT3_BT) {
3487                 features->device_type |= WACOM_DEVICETYPE_PEN |
3488                                          WACOM_DEVICETYPE_PAD;
3489                 features->quirks |= WACOM_QUIRK_BATTERY;
3490         }
3491
3492         switch (features->type) {
3493         case PL:
3494         case DTU:
3495         case DTUS:
3496         case DTUSX:
3497         case WACOM_21UX2:
3498         case WACOM_22HD:
3499         case DTK:
3500         case WACOM_24HD:
3501         case WACOM_27QHD:
3502         case CINTIQ_HYBRID:
3503         case CINTIQ_COMPANION_2:
3504         case CINTIQ:
3505         case WACOM_BEE:
3506         case WACOM_13HD:
3507         case WACOM_24HDT:
3508         case WACOM_27QHDT:
3509         case TABLETPC:
3510         case TABLETPCE:
3511         case TABLETPC2FG:
3512         case MTSCREEN:
3513         case MTTPC:
3514         case MTTPC_B:
3515                 features->device_type |= WACOM_DEVICETYPE_DIRECT;
3516                 break;
3517         }
3518
3519         if (wacom->hdev->bus == BUS_BLUETOOTH)
3520                 features->quirks |= WACOM_QUIRK_BATTERY;
3521
3522         /* quirk for bamboo touch with 2 low res touches */
3523         if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3524             features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3525                 features->x_max <<= 5;
3526                 features->y_max <<= 5;
3527                 features->x_fuzz <<= 5;
3528                 features->y_fuzz <<= 5;
3529                 features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3530         }
3531
3532         if (features->type == WIRELESS) {
3533                 if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3534                         features->quirks |= WACOM_QUIRK_BATTERY;
3535                 }
3536         }
3537
3538         if (features->type == REMOTE)
3539                 features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3540
3541         /* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
3542          * of things it shouldn't. Lets fix up the damage...
3543          */
3544         if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
3545                 features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
3546                 __clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
3547                 __clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
3548                 __clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
3549                 __clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
3550                 __clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
3551                 __clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
3552                 __clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
3553                 __clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
3554                 __clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
3555                 __clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
3556                 __clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
3557         }
3558 }
3559
3560 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3561                                    struct wacom_wac *wacom_wac)
3562 {
3563         struct wacom_features *features = &wacom_wac->features;
3564
3565         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3566
3567         if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3568                 return -ENODEV;
3569
3570         if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3571                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3572         else
3573                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3574
3575         if (features->type == HID_GENERIC) {
3576                 /* setup has already been done; apply otherwise-undetectible quirks */
3577                 input_set_capability(input_dev, EV_KEY, BTN_STYLUS3);
3578                 return 0;
3579         }
3580
3581         __set_bit(BTN_TOUCH, input_dev->keybit);
3582         __set_bit(ABS_MISC, input_dev->absbit);
3583
3584         input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3585                              features->x_max - features->offset_right,
3586                              features->x_fuzz, 0);
3587         input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3588                              features->y_max - features->offset_bottom,
3589                              features->y_fuzz, 0);
3590         input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3591                 features->pressure_max, features->pressure_fuzz, 0);
3592
3593         /* penabled devices have fixed resolution for each model */
3594         input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3595         input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3596
3597         switch (features->type) {
3598         case GRAPHIRE_BT:
3599                 __clear_bit(ABS_MISC, input_dev->absbit);
3600                 /* fall through */
3601
3602         case WACOM_MO:
3603         case WACOM_G4:
3604                 input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3605                                               features->distance_max,
3606                                               features->distance_fuzz, 0);
3607                 /* fall through */
3608
3609         case GRAPHIRE:
3610                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
3611
3612                 __set_bit(BTN_LEFT, input_dev->keybit);
3613                 __set_bit(BTN_RIGHT, input_dev->keybit);
3614                 __set_bit(BTN_MIDDLE, input_dev->keybit);
3615
3616                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3617                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3618                 __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3619                 __set_bit(BTN_STYLUS, input_dev->keybit);
3620                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3621                 break;
3622
3623         case WACOM_27QHD:
3624         case WACOM_24HD:
3625         case DTK:
3626         case WACOM_22HD:
3627         case WACOM_21UX2:
3628         case WACOM_BEE:
3629         case CINTIQ:
3630         case WACOM_13HD:
3631         case CINTIQ_HYBRID:
3632         case CINTIQ_COMPANION_2:
3633                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3634                 input_abs_set_res(input_dev, ABS_Z, 287);
3635                 wacom_setup_cintiq(wacom_wac);
3636                 break;
3637
3638         case INTUOS3:
3639         case INTUOS3L:
3640         case INTUOS3S:
3641         case INTUOS4:
3642         case INTUOS4WL:
3643         case INTUOS4L:
3644         case INTUOS4S:
3645                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3646                 input_abs_set_res(input_dev, ABS_Z, 287);
3647                 /* fall through */
3648
3649         case INTUOS:
3650                 wacom_setup_intuos(wacom_wac);
3651                 break;
3652
3653         case INTUOS5:
3654         case INTUOS5L:
3655         case INTUOSPM:
3656         case INTUOSPL:
3657         case INTUOS5S:
3658         case INTUOSPS:
3659         case INTUOSP2_BT:
3660         case INTUOSP2S_BT:
3661                 input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3662                                       features->distance_max,
3663                                       features->distance_fuzz, 0);
3664
3665                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3666                 input_abs_set_res(input_dev, ABS_Z, 287);
3667
3668                 wacom_setup_intuos(wacom_wac);
3669                 break;
3670
3671         case WACOM_24HDT:
3672         case WACOM_27QHDT:
3673         case MTSCREEN:
3674         case MTTPC:
3675         case MTTPC_B:
3676         case TABLETPC2FG:
3677         case TABLETPC:
3678         case TABLETPCE:
3679                 __clear_bit(ABS_MISC, input_dev->absbit);
3680                 /* fall through */
3681
3682         case DTUS:
3683         case DTUSX:
3684         case PL:
3685         case DTU:
3686                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3687                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3688                 __set_bit(BTN_STYLUS, input_dev->keybit);
3689                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3690                 break;
3691
3692         case PTU:
3693                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3694                 /* fall through */
3695
3696         case PENPARTNER:
3697                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3698                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3699                 __set_bit(BTN_STYLUS, input_dev->keybit);
3700                 break;
3701
3702         case INTUOSHT:
3703         case BAMBOO_PT:
3704         case BAMBOO_PEN:
3705         case INTUOSHT2:
3706         case INTUOSHT3_BT:
3707                 if (features->type == INTUOSHT2 ||
3708                     features->type == INTUOSHT3_BT) {
3709                         wacom_setup_basic_pro_pen(wacom_wac);
3710                 } else {
3711                         __clear_bit(ABS_MISC, input_dev->absbit);
3712                         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3713                         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3714                         __set_bit(BTN_STYLUS, input_dev->keybit);
3715                         __set_bit(BTN_STYLUS2, input_dev->keybit);
3716                         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3717                                       features->distance_max,
3718                                       features->distance_fuzz, 0);
3719                 }
3720                 break;
3721         case BAMBOO_PAD:
3722                 __clear_bit(ABS_MISC, input_dev->absbit);
3723                 break;
3724         }
3725         return 0;
3726 }
3727
3728 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3729                                          struct wacom_wac *wacom_wac)
3730 {
3731         struct wacom_features *features = &wacom_wac->features;
3732
3733         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3734
3735         if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3736                 return -ENODEV;
3737
3738         if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3739                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3740         else
3741                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3742
3743         if (features->type == HID_GENERIC)
3744                 /* setup has already been done */
3745                 return 0;
3746
3747         __set_bit(BTN_TOUCH, input_dev->keybit);
3748
3749         if (features->touch_max == 1) {
3750                 input_set_abs_params(input_dev, ABS_X, 0,
3751                         features->x_max, features->x_fuzz, 0);
3752                 input_set_abs_params(input_dev, ABS_Y, 0,
3753                         features->y_max, features->y_fuzz, 0);
3754                 input_abs_set_res(input_dev, ABS_X,
3755                                   features->x_resolution);
3756                 input_abs_set_res(input_dev, ABS_Y,
3757                                   features->y_resolution);
3758         }
3759         else if (features->touch_max > 1) {
3760                 input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3761                         features->x_max, features->x_fuzz, 0);
3762                 input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3763                         features->y_max, features->y_fuzz, 0);
3764                 input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3765                                   features->x_resolution);
3766                 input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3767                                   features->y_resolution);
3768         }
3769
3770         switch (features->type) {
3771         case INTUOSP2_BT:
3772         case INTUOSP2S_BT:
3773                 input_dev->evbit[0] |= BIT_MASK(EV_SW);
3774                 __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3775
3776                 if (wacom_wac->shared->touch->product == 0x361) {
3777                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3778                                              0, 12440, 4, 0);
3779                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3780                                              0, 8640, 4, 0);
3781                 }
3782                 else if (wacom_wac->shared->touch->product == 0x360) {
3783                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3784                                              0, 8960, 4, 0);
3785                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3786                                              0, 5920, 4, 0);
3787                 }
3788                 else if (wacom_wac->shared->touch->product == 0x393) {
3789                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3790                                              0, 6400, 4, 0);
3791                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3792                                              0, 4000, 4, 0);
3793                 }
3794                 input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3795                 input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40);
3796
3797                 /* fall through */
3798
3799         case INTUOS5:
3800         case INTUOS5L:
3801         case INTUOSPM:
3802         case INTUOSPL:
3803         case INTUOS5S:
3804         case INTUOSPS:
3805                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3806                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3807                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3808                 break;
3809
3810         case WACOM_24HDT:
3811                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3812                 input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3813                 input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3814                 input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3815                 /* fall through */
3816
3817         case WACOM_27QHDT:
3818         case MTSCREEN:
3819         case MTTPC:
3820         case MTTPC_B:
3821         case TABLETPC2FG:
3822                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
3823                 /*fall through */
3824
3825         case TABLETPC:
3826         case TABLETPCE:
3827                 break;
3828
3829         case INTUOSHT:
3830         case INTUOSHT2:
3831                 input_dev->evbit[0] |= BIT_MASK(EV_SW);
3832                 __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3833                 /* fall through */
3834
3835         case BAMBOO_PT:
3836         case BAMBOO_TOUCH:
3837                 if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3838                         input_set_abs_params(input_dev,
3839                                      ABS_MT_TOUCH_MAJOR,
3840                                      0, features->x_max, 0, 0);
3841                         input_set_abs_params(input_dev,
3842                                      ABS_MT_TOUCH_MINOR,
3843                                      0, features->y_max, 0, 0);
3844                 }
3845                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3846                 break;
3847
3848         case BAMBOO_PAD:
3849                 input_mt_init_slots(input_dev, features->touch_max,
3850                                     INPUT_MT_POINTER);
3851                 __set_bit(BTN_LEFT, input_dev->keybit);
3852                 __set_bit(BTN_RIGHT, input_dev->keybit);
3853                 break;
3854         }
3855         return 0;
3856 }
3857
3858 static int wacom_numbered_button_to_key(int n)
3859 {
3860         if (n < 10)
3861                 return BTN_0 + n;
3862         else if (n < 16)
3863                 return BTN_A + (n-10);
3864         else if (n < 18)
3865                 return BTN_BASE + (n-16);
3866         else
3867                 return 0;
3868 }
3869
3870 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
3871                                 int button_count)
3872 {
3873         int i;
3874
3875         for (i = 0; i < button_count; i++) {
3876                 int key = wacom_numbered_button_to_key(i);
3877
3878                 if (key)
3879                         __set_bit(key, input_dev->keybit);
3880         }
3881 }
3882
3883 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
3884 {
3885         struct wacom_led *led;
3886         int i;
3887         bool updated = false;
3888
3889         /*
3890          * 24HD has LED group 1 to the left and LED group 0 to the right.
3891          * So group 0 matches the second half of the buttons and thus the mask
3892          * needs to be shifted.
3893          */
3894         if (group == 0)
3895                 mask >>= 8;
3896
3897         for (i = 0; i < 3; i++) {
3898                 led = wacom_led_find(wacom, group, i);
3899                 if (!led) {
3900                         hid_err(wacom->hdev, "can't find LED %d in group %d\n",
3901                                 i, group);
3902                         continue;
3903                 }
3904                 if (!updated && mask & BIT(i)) {
3905                         led->held = true;
3906                         led_trigger_event(&led->trigger, LED_FULL);
3907                 } else {
3908                         led->held = false;
3909                 }
3910         }
3911 }
3912
3913 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
3914                                  int mask, int group)
3915 {
3916         int group_button;
3917
3918         /*
3919          * 21UX2 has LED group 1 to the left and LED group 0
3920          * to the right. We need to reverse the group to match this
3921          * historical behavior.
3922          */
3923         if (wacom->wacom_wac.features.type == WACOM_21UX2)
3924                 group = 1 - group;
3925
3926         group_button = group * (button_count/wacom->led.count);
3927
3928         if (wacom->wacom_wac.features.type == INTUOSP2_BT)
3929                 group_button = 8;
3930
3931         return mask & (1 << group_button);
3932 }
3933
3934 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
3935                              int group)
3936 {
3937         struct wacom_led *led, *next_led;
3938         int cur;
3939         bool pressed;
3940
3941         if (wacom->wacom_wac.features.type == WACOM_24HD)
3942                 return wacom_24hd_update_leds(wacom, mask, group);
3943
3944         pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
3945         cur = wacom->led.groups[group].select;
3946
3947         led = wacom_led_find(wacom, group, cur);
3948         if (!led) {
3949                 hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
3950                         cur, group);
3951                 return;
3952         }
3953
3954         if (!pressed) {
3955                 led->held = false;
3956                 return;
3957         }
3958
3959         if (led->held && pressed)
3960                 return;
3961
3962         next_led = wacom_led_next(wacom, led);
3963         if (!next_led) {
3964                 hid_err(wacom->hdev, "can't find next LED in group %d\n",
3965                         group);
3966                 return;
3967         }
3968         if (next_led == led)
3969                 return;
3970
3971         next_led->held = true;
3972         led_trigger_event(&next_led->trigger,
3973                           wacom_leds_brightness_get(next_led));
3974 }
3975
3976 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
3977                                 int button_count, int mask)
3978 {
3979         struct wacom *wacom = input_get_drvdata(input_dev);
3980         int i;
3981
3982         for (i = 0; i < wacom->led.count; i++)
3983                 wacom_update_led(wacom,  button_count, mask, i);
3984
3985         for (i = 0; i < button_count; i++) {
3986                 int key = wacom_numbered_button_to_key(i);
3987
3988                 if (key)
3989                         input_report_key(input_dev, key, mask & (1 << i));
3990         }
3991 }
3992
3993 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
3994                                    struct wacom_wac *wacom_wac)
3995 {
3996         struct wacom_features *features = &wacom_wac->features;
3997
3998         if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
3999                 features->device_type |= WACOM_DEVICETYPE_PAD;
4000
4001         if (!(features->device_type & WACOM_DEVICETYPE_PAD))
4002                 return -ENODEV;
4003
4004         if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
4005                 return -ENODEV;
4006
4007         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
4008
4009         /* kept for making legacy xf86-input-wacom working with the wheels */
4010         __set_bit(ABS_MISC, input_dev->absbit);
4011
4012         /* kept for making legacy xf86-input-wacom accepting the pad */
4013         if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
4014               input_dev->absinfo[ABS_X].maximum)))
4015                 input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
4016         if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
4017               input_dev->absinfo[ABS_Y].maximum)))
4018                 input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
4019
4020         /* kept for making udev and libwacom accepting the pad */
4021         __set_bit(BTN_STYLUS, input_dev->keybit);
4022
4023         wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
4024
4025         switch (features->type) {
4026
4027         case CINTIQ_HYBRID:
4028         case CINTIQ_COMPANION_2:
4029         case DTK:
4030         case DTUS:
4031         case GRAPHIRE_BT:
4032                 break;
4033
4034         case WACOM_MO:
4035                 __set_bit(BTN_BACK, input_dev->keybit);
4036                 __set_bit(BTN_LEFT, input_dev->keybit);
4037                 __set_bit(BTN_FORWARD, input_dev->keybit);
4038                 __set_bit(BTN_RIGHT, input_dev->keybit);
4039                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4040                 break;
4041
4042         case WACOM_G4:
4043                 __set_bit(BTN_BACK, input_dev->keybit);
4044                 __set_bit(BTN_FORWARD, input_dev->keybit);
4045                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
4046                 break;
4047
4048         case WACOM_24HD:
4049                 __set_bit(KEY_PROG1, input_dev->keybit);
4050                 __set_bit(KEY_PROG2, input_dev->keybit);
4051                 __set_bit(KEY_PROG3, input_dev->keybit);
4052
4053                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4054                 input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
4055                 break;
4056
4057         case WACOM_27QHD:
4058                 __set_bit(KEY_PROG1, input_dev->keybit);
4059                 __set_bit(KEY_PROG2, input_dev->keybit);
4060                 __set_bit(KEY_PROG3, input_dev->keybit);
4061                 input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
4062                 input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
4063                 input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
4064                 input_abs_set_res(input_dev, ABS_Y, 1024);
4065                 input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
4066                 input_abs_set_res(input_dev, ABS_Z, 1024);
4067                 __set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
4068                 break;
4069
4070         case WACOM_22HD:
4071                 __set_bit(KEY_PROG1, input_dev->keybit);
4072                 __set_bit(KEY_PROG2, input_dev->keybit);
4073                 __set_bit(KEY_PROG3, input_dev->keybit);
4074                 /* fall through */
4075
4076         case WACOM_21UX2:
4077         case WACOM_BEE:
4078         case CINTIQ:
4079                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4080                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4081                 break;
4082
4083         case WACOM_13HD:
4084                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4085                 break;
4086
4087         case INTUOS3:
4088         case INTUOS3L:
4089                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4090                 /* fall through */
4091
4092         case INTUOS3S:
4093                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4094                 break;
4095
4096         case INTUOS5:
4097         case INTUOS5L:
4098         case INTUOSPM:
4099         case INTUOSPL:
4100         case INTUOS5S:
4101         case INTUOSPS:
4102         case INTUOSP2_BT:
4103         case INTUOSP2S_BT:
4104                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4105                 break;
4106
4107         case INTUOS4WL:
4108                 /*
4109                  * For Bluetooth devices, the udev rule does not work correctly
4110                  * for pads unless we add a stylus capability, which forces
4111                  * ID_INPUT_TABLET to be set.
4112                  */
4113                 __set_bit(BTN_STYLUS, input_dev->keybit);
4114                 /* fall through */
4115
4116         case INTUOS4:
4117         case INTUOS4L:
4118         case INTUOS4S:
4119                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4120                 break;
4121
4122         case INTUOSHT:
4123         case BAMBOO_PT:
4124         case BAMBOO_TOUCH:
4125         case INTUOSHT2:
4126                 __clear_bit(ABS_MISC, input_dev->absbit);
4127
4128                 __set_bit(BTN_LEFT, input_dev->keybit);
4129                 __set_bit(BTN_FORWARD, input_dev->keybit);
4130                 __set_bit(BTN_BACK, input_dev->keybit);
4131                 __set_bit(BTN_RIGHT, input_dev->keybit);
4132
4133                 break;
4134
4135         case REMOTE:
4136                 input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
4137                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4138                 break;
4139
4140         case INTUOSHT3_BT:
4141         case HID_GENERIC:
4142                 break;
4143
4144         default:
4145                 /* no pad supported */
4146                 return -ENODEV;
4147         }
4148         return 0;
4149 }
4150
4151 static const struct wacom_features wacom_features_0x00 =
4152         { "Wacom Penpartner", 5040, 3780, 255, 0,
4153           PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4154 static const struct wacom_features wacom_features_0x10 =
4155         { "Wacom Graphire", 10206, 7422, 511, 63,
4156           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4157 static const struct wacom_features wacom_features_0x81 =
4158         { "Wacom Graphire BT", 16704, 12064, 511, 32,
4159           GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
4160 static const struct wacom_features wacom_features_0x11 =
4161         { "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
4162           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4163 static const struct wacom_features wacom_features_0x12 =
4164         { "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
4165           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4166 static const struct wacom_features wacom_features_0x13 =
4167         { "Wacom Graphire3", 10208, 7424, 511, 63,
4168           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4169 static const struct wacom_features wacom_features_0x14 =
4170         { "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
4171           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4172 static const struct wacom_features wacom_features_0x15 =
4173         { "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
4174           WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4175 static const struct wacom_features wacom_features_0x16 =
4176         { "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
4177           WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4178 static const struct wacom_features wacom_features_0x17 =
4179         { "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
4180           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4181 static const struct wacom_features wacom_features_0x18 =
4182         { "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
4183           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4184 static const struct wacom_features wacom_features_0x19 =
4185         { "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
4186           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4187 static const struct wacom_features wacom_features_0x60 =
4188         { "Wacom Volito", 5104, 3712, 511, 63,
4189           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4190 static const struct wacom_features wacom_features_0x61 =
4191         { "Wacom PenStation2", 3250, 2320, 255, 63,
4192           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4193 static const struct wacom_features wacom_features_0x62 =
4194         { "Wacom Volito2 4x5", 5104, 3712, 511, 63,
4195           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4196 static const struct wacom_features wacom_features_0x63 =
4197         { "Wacom Volito2 2x3", 3248, 2320, 511, 63,
4198           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4199 static const struct wacom_features wacom_features_0x64 =
4200         { "Wacom PenPartner2", 3250, 2320, 511, 63,
4201           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4202 static const struct wacom_features wacom_features_0x65 =
4203         { "Wacom Bamboo", 14760, 9225, 511, 63,
4204           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4205 static const struct wacom_features wacom_features_0x69 =
4206         { "Wacom Bamboo1", 5104, 3712, 511, 63,
4207           GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4208 static const struct wacom_features wacom_features_0x6A =
4209         { "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
4210           GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4211 static const struct wacom_features wacom_features_0x6B =
4212         { "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
4213           GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4214 static const struct wacom_features wacom_features_0x20 =
4215         { "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
4216           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4217 static const struct wacom_features wacom_features_0x21 =
4218         { "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
4219           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4220 static const struct wacom_features wacom_features_0x22 =
4221         { "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
4222           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4223 static const struct wacom_features wacom_features_0x23 =
4224         { "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
4225           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4226 static const struct wacom_features wacom_features_0x24 =
4227         { "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
4228           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4229 static const struct wacom_features wacom_features_0x30 =
4230         { "Wacom PL400", 5408, 4056, 255, 0,
4231           PL, WACOM_PL_RES, WACOM_PL_RES };
4232 static const struct wacom_features wacom_features_0x31 =
4233         { "Wacom PL500", 6144, 4608, 255, 0,
4234           PL, WACOM_PL_RES, WACOM_PL_RES };
4235 static const struct wacom_features wacom_features_0x32 =
4236         { "Wacom PL600", 6126, 4604, 255, 0,
4237           PL, WACOM_PL_RES, WACOM_PL_RES };
4238 static const struct wacom_features wacom_features_0x33 =
4239         { "Wacom PL600SX", 6260, 5016, 255, 0,
4240           PL, WACOM_PL_RES, WACOM_PL_RES };
4241 static const struct wacom_features wacom_features_0x34 =
4242         { "Wacom PL550", 6144, 4608, 511, 0,
4243           PL, WACOM_PL_RES, WACOM_PL_RES };
4244 static const struct wacom_features wacom_features_0x35 =
4245         { "Wacom PL800", 7220, 5780, 511, 0,
4246           PL, WACOM_PL_RES, WACOM_PL_RES };
4247 static const struct wacom_features wacom_features_0x37 =
4248         { "Wacom PL700", 6758, 5406, 511, 0,
4249           PL, WACOM_PL_RES, WACOM_PL_RES };
4250 static const struct wacom_features wacom_features_0x38 =
4251         { "Wacom PL510", 6282, 4762, 511, 0,
4252           PL, WACOM_PL_RES, WACOM_PL_RES };
4253 static const struct wacom_features wacom_features_0x39 =
4254         { "Wacom DTU710", 34080, 27660, 511, 0,
4255           PL, WACOM_PL_RES, WACOM_PL_RES };
4256 static const struct wacom_features wacom_features_0xC4 =
4257         { "Wacom DTF521", 6282, 4762, 511, 0,
4258           PL, WACOM_PL_RES, WACOM_PL_RES };
4259 static const struct wacom_features wacom_features_0xC0 =
4260         { "Wacom DTF720", 6858, 5506, 511, 0,
4261           PL, WACOM_PL_RES, WACOM_PL_RES };
4262 static const struct wacom_features wacom_features_0xC2 =
4263         { "Wacom DTF720a", 6858, 5506, 511, 0,
4264           PL, WACOM_PL_RES, WACOM_PL_RES };
4265 static const struct wacom_features wacom_features_0x03 =
4266         { "Wacom Cintiq Partner", 20480, 15360, 511, 0,
4267           PTU, WACOM_PL_RES, WACOM_PL_RES };
4268 static const struct wacom_features wacom_features_0x41 =
4269         { "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
4270           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4271 static const struct wacom_features wacom_features_0x42 =
4272         { "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4273           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4274 static const struct wacom_features wacom_features_0x43 =
4275         { "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4276           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4277 static const struct wacom_features wacom_features_0x44 =
4278         { "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4279           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4280 static const struct wacom_features wacom_features_0x45 =
4281         { "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4282           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4283 static const struct wacom_features wacom_features_0xB0 =
4284         { "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4285           INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4286 static const struct wacom_features wacom_features_0xB1 =
4287         { "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4288           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4289 static const struct wacom_features wacom_features_0xB2 =
4290         { "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4291           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4292 static const struct wacom_features wacom_features_0xB3 =
4293         { "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4294           INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4295 static const struct wacom_features wacom_features_0xB4 =
4296         { "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4297           INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4298 static const struct wacom_features wacom_features_0xB5 =
4299         { "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4300           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4301 static const struct wacom_features wacom_features_0xB7 =
4302         { "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4303           INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4304 static const struct wacom_features wacom_features_0xB8 =
4305         { "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4306           INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4307 static const struct wacom_features wacom_features_0xB9 =
4308         { "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4309           INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4310 static const struct wacom_features wacom_features_0xBA =
4311         { "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4312           INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4313 static const struct wacom_features wacom_features_0xBB =
4314         { "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4315           INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4316 static const struct wacom_features wacom_features_0xBC =
4317         { "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4318           INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4319 static const struct wacom_features wacom_features_0xBD =
4320         { "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4321           INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4322 static const struct wacom_features wacom_features_0x26 =
4323         { "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4324           INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4325 static const struct wacom_features wacom_features_0x27 =
4326         { "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4327           INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4328 static const struct wacom_features wacom_features_0x28 =
4329         { "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4330           INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4331 static const struct wacom_features wacom_features_0x29 =
4332         { "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4333           INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4334 static const struct wacom_features wacom_features_0x2A =
4335         { "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4336           INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4337 static const struct wacom_features wacom_features_0x314 =
4338         { "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4339           INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4340           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4341 static const struct wacom_features wacom_features_0x315 =
4342         { "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4343           INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4344           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4345 static const struct wacom_features wacom_features_0x317 =
4346         { "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4347           INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4348           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4349 static const struct wacom_features wacom_features_0xF4 =
4350         { "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4351           WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4352           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4353           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4354 static const struct wacom_features wacom_features_0xF8 =
4355         { "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4356           WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4357           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4358           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4359           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4360 static const struct wacom_features wacom_features_0xF6 =
4361         { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4362           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4363           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4364 static const struct wacom_features wacom_features_0x32A =
4365         { "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4366           WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4367           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4368           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4369 static const struct wacom_features wacom_features_0x32B =
4370         { "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4371           WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4372           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4373           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4374           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4375 static const struct wacom_features wacom_features_0x32C =
4376         { "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4377           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4378 static const struct wacom_features wacom_features_0x3F =
4379         { "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4380           CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4381 static const struct wacom_features wacom_features_0xC5 =
4382         { "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4383           WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4384 static const struct wacom_features wacom_features_0xC6 =
4385         { "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4386           WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4387 static const struct wacom_features wacom_features_0x304 =
4388         { "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4389           WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4390           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4391           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4392 static const struct wacom_features wacom_features_0x333 =
4393         { "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4394           WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4395           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4396           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4397           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4398 static const struct wacom_features wacom_features_0x335 =
4399         { "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4400           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4401           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4402 static const struct wacom_features wacom_features_0xC7 =
4403         { "Wacom DTU1931", 37832, 30305, 511, 0,
4404           PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4405 static const struct wacom_features wacom_features_0xCE =
4406         { "Wacom DTU2231", 47864, 27011, 511, 0,
4407           DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4408           .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4409 static const struct wacom_features wacom_features_0xF0 =
4410         { "Wacom DTU1631", 34623, 19553, 511, 0,
4411           DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4412 static const struct wacom_features wacom_features_0xFB =
4413         { "Wacom DTU1031", 22096, 13960, 511, 0,
4414           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4415           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4416           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4417 static const struct wacom_features wacom_features_0x32F =
4418         { "Wacom DTU1031X", 22672, 12928, 511, 0,
4419           DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4420           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4421           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4422 static const struct wacom_features wacom_features_0x336 =
4423         { "Wacom DTU1141", 23672, 13403, 1023, 0,
4424           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4425           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4426           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4427 static const struct wacom_features wacom_features_0x57 =
4428         { "Wacom DTK2241", 95840, 54260, 2047, 63,
4429           DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4430           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4431           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4432 static const struct wacom_features wacom_features_0x59 = /* Pen */
4433         { "Wacom DTH2242", 95840, 54260, 2047, 63,
4434           DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4435           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4436           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4437           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4438 static const struct wacom_features wacom_features_0x5D = /* Touch */
4439         { "Wacom DTH2242",       .type = WACOM_24HDT,
4440           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4441           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4442 static const struct wacom_features wacom_features_0xCC =
4443         { "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4444           WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4445           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4446           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4447 static const struct wacom_features wacom_features_0xFA =
4448         { "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4449           WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4450           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4451           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4452 static const struct wacom_features wacom_features_0x5B =
4453         { "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4454           WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4455           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4456           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4457           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4458 static const struct wacom_features wacom_features_0x5E =
4459         { "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4460           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4461           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4462 static const struct wacom_features wacom_features_0x90 =
4463         { "Wacom ISDv4 90", 26202, 16325, 255, 0,
4464           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4465 static const struct wacom_features wacom_features_0x93 =
4466         { "Wacom ISDv4 93", 26202, 16325, 255, 0,
4467           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4468 static const struct wacom_features wacom_features_0x97 =
4469         { "Wacom ISDv4 97", 26202, 16325, 511, 0,
4470           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4471 static const struct wacom_features wacom_features_0x9A =
4472         { "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4473           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4474 static const struct wacom_features wacom_features_0x9F =
4475         { "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4476           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4477 static const struct wacom_features wacom_features_0xE2 =
4478         { "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4479           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4480 static const struct wacom_features wacom_features_0xE3 =
4481         { "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4482           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4483 static const struct wacom_features wacom_features_0xE5 =
4484         { "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4485           MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4486 static const struct wacom_features wacom_features_0xE6 =
4487         { "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4488           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4489 static const struct wacom_features wacom_features_0xEC =
4490         { "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4491           TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4492 static const struct wacom_features wacom_features_0xED =
4493         { "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4494           TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4495 static const struct wacom_features wacom_features_0xEF =
4496         { "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4497           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4498 static const struct wacom_features wacom_features_0x100 =
4499         { "Wacom ISDv4 100", 26202, 16325, 255, 0,
4500           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4501 static const struct wacom_features wacom_features_0x101 =
4502         { "Wacom ISDv4 101", 26202, 16325, 255, 0,
4503           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4504 static const struct wacom_features wacom_features_0x10D =
4505         { "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4506           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4507 static const struct wacom_features wacom_features_0x10E =
4508         { "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4509           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4510 static const struct wacom_features wacom_features_0x10F =
4511         { "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4512           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4513 static const struct wacom_features wacom_features_0x116 =
4514         { "Wacom ISDv4 116", 26202, 16325, 255, 0,
4515           TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4516 static const struct wacom_features wacom_features_0x12C =
4517         { "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4518           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4519 static const struct wacom_features wacom_features_0x4001 =
4520         { "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4521           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4522 static const struct wacom_features wacom_features_0x4004 =
4523         { "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4524           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4525 static const struct wacom_features wacom_features_0x5000 =
4526         { "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4527           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4528 static const struct wacom_features wacom_features_0x5002 =
4529         { "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4530           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4531 static const struct wacom_features wacom_features_0x47 =
4532         { "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4533           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4534 static const struct wacom_features wacom_features_0x84 =
4535         { "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4536 static const struct wacom_features wacom_features_0xD0 =
4537         { "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4538           BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4539 static const struct wacom_features wacom_features_0xD1 =
4540         { "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4541           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4542 static const struct wacom_features wacom_features_0xD2 =
4543         { "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4544           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4545 static const struct wacom_features wacom_features_0xD3 =
4546         { "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4547           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4548 static const struct wacom_features wacom_features_0xD4 =
4549         { "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4550           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4551 static const struct wacom_features wacom_features_0xD5 =
4552         { "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4553           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4554 static const struct wacom_features wacom_features_0xD6 =
4555         { "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4556           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4557 static const struct wacom_features wacom_features_0xD7 =
4558         { "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4559           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4560 static const struct wacom_features wacom_features_0xD8 =
4561         { "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4562           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4563 static const struct wacom_features wacom_features_0xDA =
4564         { "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4565           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4566 static const struct wacom_features wacom_features_0xDB =
4567         { "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4568           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4569 static const struct wacom_features wacom_features_0xDD =
4570         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4571           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4572 static const struct wacom_features wacom_features_0xDE =
4573         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4574           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4575 static const struct wacom_features wacom_features_0xDF =
4576         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4577           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4578 static const struct wacom_features wacom_features_0x300 =
4579         { "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4580           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4581 static const struct wacom_features wacom_features_0x301 =
4582         { "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4583           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4584 static const struct wacom_features wacom_features_0x302 =
4585         { "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4586           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4587           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4588 static const struct wacom_features wacom_features_0x303 =
4589         { "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4590           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4591           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4592 static const struct wacom_features wacom_features_0x30E =
4593         { "Wacom Intuos S", 15200, 9500, 1023, 31,
4594           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4595           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4596 static const struct wacom_features wacom_features_0x6004 =
4597         { "ISD-V4", 12800, 8000, 255, 0,
4598           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4599 static const struct wacom_features wacom_features_0x307 =
4600         { "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4601           CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4602           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4603           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4604           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4605 static const struct wacom_features wacom_features_0x309 =
4606         { "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4607           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4608           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4609 static const struct wacom_features wacom_features_0x30A =
4610         { "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4611           CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4612           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4613           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4614           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4615 static const struct wacom_features wacom_features_0x30C =
4616         { "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4617           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4618           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4619 static const struct wacom_features wacom_features_0x318 =
4620         { "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4621           .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4622 static const struct wacom_features wacom_features_0x319 =
4623         { "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4624           .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4625 static const struct wacom_features wacom_features_0x325 =
4626         { "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4627           CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4628           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4629           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4630           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4631 static const struct wacom_features wacom_features_0x326 = /* Touch */
4632         { "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4633           .oPid = 0x325 };
4634 static const struct wacom_features wacom_features_0x323 =
4635         { "Wacom Intuos P M", 21600, 13500, 1023, 31,
4636           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4637           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4638 static const struct wacom_features wacom_features_0x331 =
4639         { "Wacom Express Key Remote", .type = REMOTE,
4640           .numbered_buttons = 18, .check_for_hid_type = true,
4641           .hid_type = HID_TYPE_USBNONE };
4642 static const struct wacom_features wacom_features_0x33B =
4643         { "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4644           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4645           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4646 static const struct wacom_features wacom_features_0x33C =
4647         { "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4648           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4649           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4650 static const struct wacom_features wacom_features_0x33D =
4651         { "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4652           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4653           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4654 static const struct wacom_features wacom_features_0x33E =
4655         { "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4656           INTUOSHT2, 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_0x343 =
4659         { "Wacom DTK1651", 34816, 19759, 1023, 0,
4660           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4661           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4662           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4663 static const struct wacom_features wacom_features_0x360 =
4664         { "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4665           INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4666 static const struct wacom_features wacom_features_0x361 =
4667         { "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4668           INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4669 static const struct wacom_features wacom_features_0x377 =
4670         { "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4671           INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4672 static const struct wacom_features wacom_features_0x379 =
4673         { "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4674           INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4675 static const struct wacom_features wacom_features_0x37A =
4676         { "Wacom One by Wacom S", 15200, 9500, 2047, 63,
4677           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4678 static const struct wacom_features wacom_features_0x37B =
4679         { "Wacom One by Wacom M", 21600, 13500, 2047, 63,
4680           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4681 static const struct wacom_features wacom_features_0x393 =
4682         { "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4683           INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4684           .touch_max = 10 };
4685
4686 static const struct wacom_features wacom_features_HID_ANY_ID =
4687         { "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4688
4689 #define USB_DEVICE_WACOM(prod)                                          \
4690         HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4691         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4692
4693 #define BT_DEVICE_WACOM(prod)                                           \
4694         HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4695         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4696
4697 #define I2C_DEVICE_WACOM(prod)                                          \
4698         HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4699         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4700
4701 #define USB_DEVICE_LENOVO(prod)                                 \
4702         HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),                     \
4703         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4704
4705 const struct hid_device_id wacom_ids[] = {
4706         { USB_DEVICE_WACOM(0x00) },
4707         { USB_DEVICE_WACOM(0x03) },
4708         { USB_DEVICE_WACOM(0x10) },
4709         { USB_DEVICE_WACOM(0x11) },
4710         { USB_DEVICE_WACOM(0x12) },
4711         { USB_DEVICE_WACOM(0x13) },
4712         { USB_DEVICE_WACOM(0x14) },
4713         { USB_DEVICE_WACOM(0x15) },
4714         { USB_DEVICE_WACOM(0x16) },
4715         { USB_DEVICE_WACOM(0x17) },
4716         { USB_DEVICE_WACOM(0x18) },
4717         { USB_DEVICE_WACOM(0x19) },
4718         { USB_DEVICE_WACOM(0x20) },
4719         { USB_DEVICE_WACOM(0x21) },
4720         { USB_DEVICE_WACOM(0x22) },
4721         { USB_DEVICE_WACOM(0x23) },
4722         { USB_DEVICE_WACOM(0x24) },
4723         { USB_DEVICE_WACOM(0x26) },
4724         { USB_DEVICE_WACOM(0x27) },
4725         { USB_DEVICE_WACOM(0x28) },
4726         { USB_DEVICE_WACOM(0x29) },
4727         { USB_DEVICE_WACOM(0x2A) },
4728         { USB_DEVICE_WACOM(0x30) },
4729         { USB_DEVICE_WACOM(0x31) },
4730         { USB_DEVICE_WACOM(0x32) },
4731         { USB_DEVICE_WACOM(0x33) },
4732         { USB_DEVICE_WACOM(0x34) },
4733         { USB_DEVICE_WACOM(0x35) },
4734         { USB_DEVICE_WACOM(0x37) },
4735         { USB_DEVICE_WACOM(0x38) },
4736         { USB_DEVICE_WACOM(0x39) },
4737         { USB_DEVICE_WACOM(0x3F) },
4738         { USB_DEVICE_WACOM(0x41) },
4739         { USB_DEVICE_WACOM(0x42) },
4740         { USB_DEVICE_WACOM(0x43) },
4741         { USB_DEVICE_WACOM(0x44) },
4742         { USB_DEVICE_WACOM(0x45) },
4743         { USB_DEVICE_WACOM(0x47) },
4744         { USB_DEVICE_WACOM(0x57) },
4745         { USB_DEVICE_WACOM(0x59) },
4746         { USB_DEVICE_WACOM(0x5B) },
4747         { USB_DEVICE_WACOM(0x5D) },
4748         { USB_DEVICE_WACOM(0x5E) },
4749         { USB_DEVICE_WACOM(0x60) },
4750         { USB_DEVICE_WACOM(0x61) },
4751         { USB_DEVICE_WACOM(0x62) },
4752         { USB_DEVICE_WACOM(0x63) },
4753         { USB_DEVICE_WACOM(0x64) },
4754         { USB_DEVICE_WACOM(0x65) },
4755         { USB_DEVICE_WACOM(0x69) },
4756         { USB_DEVICE_WACOM(0x6A) },
4757         { USB_DEVICE_WACOM(0x6B) },
4758         { BT_DEVICE_WACOM(0x81) },
4759         { USB_DEVICE_WACOM(0x84) },
4760         { USB_DEVICE_WACOM(0x90) },
4761         { USB_DEVICE_WACOM(0x93) },
4762         { USB_DEVICE_WACOM(0x97) },
4763         { USB_DEVICE_WACOM(0x9A) },
4764         { USB_DEVICE_WACOM(0x9F) },
4765         { USB_DEVICE_WACOM(0xB0) },
4766         { USB_DEVICE_WACOM(0xB1) },
4767         { USB_DEVICE_WACOM(0xB2) },
4768         { USB_DEVICE_WACOM(0xB3) },
4769         { USB_DEVICE_WACOM(0xB4) },
4770         { USB_DEVICE_WACOM(0xB5) },
4771         { USB_DEVICE_WACOM(0xB7) },
4772         { USB_DEVICE_WACOM(0xB8) },
4773         { USB_DEVICE_WACOM(0xB9) },
4774         { USB_DEVICE_WACOM(0xBA) },
4775         { USB_DEVICE_WACOM(0xBB) },
4776         { USB_DEVICE_WACOM(0xBC) },
4777         { BT_DEVICE_WACOM(0xBD) },
4778         { USB_DEVICE_WACOM(0xC0) },
4779         { USB_DEVICE_WACOM(0xC2) },
4780         { USB_DEVICE_WACOM(0xC4) },
4781         { USB_DEVICE_WACOM(0xC5) },
4782         { USB_DEVICE_WACOM(0xC6) },
4783         { USB_DEVICE_WACOM(0xC7) },
4784         { USB_DEVICE_WACOM(0xCC) },
4785         { USB_DEVICE_WACOM(0xCE) },
4786         { USB_DEVICE_WACOM(0xD0) },
4787         { USB_DEVICE_WACOM(0xD1) },
4788         { USB_DEVICE_WACOM(0xD2) },
4789         { USB_DEVICE_WACOM(0xD3) },
4790         { USB_DEVICE_WACOM(0xD4) },
4791         { USB_DEVICE_WACOM(0xD5) },
4792         { USB_DEVICE_WACOM(0xD6) },
4793         { USB_DEVICE_WACOM(0xD7) },
4794         { USB_DEVICE_WACOM(0xD8) },
4795         { USB_DEVICE_WACOM(0xDA) },
4796         { USB_DEVICE_WACOM(0xDB) },
4797         { USB_DEVICE_WACOM(0xDD) },
4798         { USB_DEVICE_WACOM(0xDE) },
4799         { USB_DEVICE_WACOM(0xDF) },
4800         { USB_DEVICE_WACOM(0xE2) },
4801         { USB_DEVICE_WACOM(0xE3) },
4802         { USB_DEVICE_WACOM(0xE5) },
4803         { USB_DEVICE_WACOM(0xE6) },
4804         { USB_DEVICE_WACOM(0xEC) },
4805         { USB_DEVICE_WACOM(0xED) },
4806         { USB_DEVICE_WACOM(0xEF) },
4807         { USB_DEVICE_WACOM(0xF0) },
4808         { USB_DEVICE_WACOM(0xF4) },
4809         { USB_DEVICE_WACOM(0xF6) },
4810         { USB_DEVICE_WACOM(0xF8) },
4811         { USB_DEVICE_WACOM(0xFA) },
4812         { USB_DEVICE_WACOM(0xFB) },
4813         { USB_DEVICE_WACOM(0x100) },
4814         { USB_DEVICE_WACOM(0x101) },
4815         { USB_DEVICE_WACOM(0x10D) },
4816         { USB_DEVICE_WACOM(0x10E) },
4817         { USB_DEVICE_WACOM(0x10F) },
4818         { USB_DEVICE_WACOM(0x116) },
4819         { USB_DEVICE_WACOM(0x12C) },
4820         { USB_DEVICE_WACOM(0x300) },
4821         { USB_DEVICE_WACOM(0x301) },
4822         { USB_DEVICE_WACOM(0x302) },
4823         { USB_DEVICE_WACOM(0x303) },
4824         { USB_DEVICE_WACOM(0x304) },
4825         { USB_DEVICE_WACOM(0x307) },
4826         { USB_DEVICE_WACOM(0x309) },
4827         { USB_DEVICE_WACOM(0x30A) },
4828         { USB_DEVICE_WACOM(0x30C) },
4829         { USB_DEVICE_WACOM(0x30E) },
4830         { USB_DEVICE_WACOM(0x314) },
4831         { USB_DEVICE_WACOM(0x315) },
4832         { USB_DEVICE_WACOM(0x317) },
4833         { USB_DEVICE_WACOM(0x318) },
4834         { USB_DEVICE_WACOM(0x319) },
4835         { USB_DEVICE_WACOM(0x323) },
4836         { USB_DEVICE_WACOM(0x325) },
4837         { USB_DEVICE_WACOM(0x326) },
4838         { USB_DEVICE_WACOM(0x32A) },
4839         { USB_DEVICE_WACOM(0x32B) },
4840         { USB_DEVICE_WACOM(0x32C) },
4841         { USB_DEVICE_WACOM(0x32F) },
4842         { USB_DEVICE_WACOM(0x331) },
4843         { USB_DEVICE_WACOM(0x333) },
4844         { USB_DEVICE_WACOM(0x335) },
4845         { USB_DEVICE_WACOM(0x336) },
4846         { USB_DEVICE_WACOM(0x33B) },
4847         { USB_DEVICE_WACOM(0x33C) },
4848         { USB_DEVICE_WACOM(0x33D) },
4849         { USB_DEVICE_WACOM(0x33E) },
4850         { USB_DEVICE_WACOM(0x343) },
4851         { BT_DEVICE_WACOM(0x360) },
4852         { BT_DEVICE_WACOM(0x361) },
4853         { BT_DEVICE_WACOM(0x377) },
4854         { BT_DEVICE_WACOM(0x379) },
4855         { USB_DEVICE_WACOM(0x37A) },
4856         { USB_DEVICE_WACOM(0x37B) },
4857         { BT_DEVICE_WACOM(0x393) },
4858         { USB_DEVICE_WACOM(0x4001) },
4859         { USB_DEVICE_WACOM(0x4004) },
4860         { USB_DEVICE_WACOM(0x5000) },
4861         { USB_DEVICE_WACOM(0x5002) },
4862         { USB_DEVICE_LENOVO(0x6004) },
4863
4864         { USB_DEVICE_WACOM(HID_ANY_ID) },
4865         { I2C_DEVICE_WACOM(HID_ANY_ID) },
4866         { BT_DEVICE_WACOM(HID_ANY_ID) },
4867         { }
4868 };
4869 MODULE_DEVICE_TABLE(hid, wacom_ids);