drivers/hid/wacom_wac.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * drivers/input/tablet/wacom_wac.c
   4  *
   5  *  USB Wacom tablet support - Wacom specific code
   6  */
   7
   8 /*
   9  */
  10
  11 #include "wacom_wac.h"
  12 #include "wacom.h"
  13 #include <linux/input/mt.h>
  14
  15 /* resolution for penabled devices */
  16 #define WACOM_PL_RES            20
  17 #define WACOM_PENPRTN_RES       40
  18 #define WACOM_VOLITO_RES        50
  19 #define WACOM_GRAPHIRE_RES      80
  20 #define WACOM_INTUOS_RES        100
  21 #define WACOM_INTUOS3_RES       200
  22
  23 /* Newer Cintiq and DTU have an offset between tablet and screen areas */
  24 #define WACOM_DTU_OFFSET        200
  25 #define WACOM_CINTIQ_OFFSET     400
  26
  27 /*
  28  * Scale factor relating reported contact size to logical contact area.
  29  * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
  30  */
  31 #define WACOM_CONTACT_AREA_SCALE 2607
  32
  33 static bool touch_arbitration = 1;
  34 module_param(touch_arbitration, bool, 0644);
  35 MODULE_PARM_DESC(touch_arbitration, " on (Y) off (N)");
  36
  37 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
  38                                 int button_count, int mask);
  39
  40 static int wacom_numbered_button_to_key(int n);
  41
  42 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
  43                              int group);
  44 /*
  45  * Percent of battery capacity for Graphire.
  46  * 8th value means AC online and show 100% capacity.
  47  */
  48 static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
  49
  50 /*
  51  * Percent of battery capacity for Intuos4 WL, AC has a separate bit.
  52  */
  53 static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
  54
  55 static void __wacom_notify_battery(struct wacom_battery *battery,
  56                                    int bat_status, int bat_capacity,
  57                                    bool bat_charging, bool bat_connected,
  58                                    bool ps_connected)
  59 {
  60         bool changed = battery->bat_status       != bat_status    ||
  61                        battery->battery_capacity != bat_capacity  ||
  62                        battery->bat_charging     != bat_charging  ||
  63                        battery->bat_connected    != bat_connected ||
  64                        battery->ps_connected     != ps_connected;
  65
  66         if (changed) {
  67                 battery->bat_status = bat_status;
  68                 battery->battery_capacity = bat_capacity;
  69                 battery->bat_charging = bat_charging;
  70                 battery->bat_connected = bat_connected;
  71                 battery->ps_connected = ps_connected;
  72
  73                 if (battery->battery)
  74                         power_supply_changed(battery->battery);
  75         }
  76 }
  77
  78 static void wacom_notify_battery(struct wacom_wac *wacom_wac,
  79         int bat_status, int bat_capacity, bool bat_charging,
  80         bool bat_connected, bool ps_connected)
  81 {
  82         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
  83
  84         __wacom_notify_battery(&wacom->battery, bat_status, bat_capacity,
  85                                bat_charging, bat_connected, ps_connected);
  86 }
  87
  88 static int wacom_penpartner_irq(struct wacom_wac *wacom)
  89 {
  90         unsigned char *data = wacom->data;
  91         struct input_dev *input = wacom->pen_input;
  92
  93         switch (data[0]) {
  94         case 1:
  95                 if (data[5] & 0x80) {
  96                         wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
  97                         wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
  98                         input_report_key(input, wacom->tool[0], 1);
  99                         input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
 100                         input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
 101                         input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
 102                         input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
 103                         input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
 104                         input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
 105                 } else {
 106                         input_report_key(input, wacom->tool[0], 0);
 107                         input_report_abs(input, ABS_MISC, 0); /* report tool id */
 108                         input_report_abs(input, ABS_PRESSURE, -1);
 109                         input_report_key(input, BTN_TOUCH, 0);
 110                 }
 111                 break;
 112
 113         case 2:
 114                 input_report_key(input, BTN_TOOL_PEN, 1);
 115                 input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
 116                 input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
 117                 input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
 118                 input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
 119                 input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
 120                 input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
 121                 break;
 122
 123         default:
 124                 dev_dbg(input->dev.parent,
 125                         "%s: received unknown report #%d\n", __func__, data[0]);
 126                 return 0;
 127         }
 128
 129         return 1;
 130 }
 131
 132 static int wacom_pl_irq(struct wacom_wac *wacom)
 133 {
 134         struct wacom_features *features = &wacom->features;
 135         unsigned char *data = wacom->data;
 136         struct input_dev *input = wacom->pen_input;
 137         int prox, pressure;
 138
 139         if (data[0] != WACOM_REPORT_PENABLED) {
 140                 dev_dbg(input->dev.parent,
 141                         "%s: received unknown report #%d\n", __func__, data[0]);
 142                 return 0;
 143         }
 144
 145         prox = data[1] & 0x40;
 146
 147         if (!wacom->id[0]) {
 148                 if ((data[0] & 0x10) || (data[4] & 0x20)) {
 149                         wacom->tool[0] = BTN_TOOL_RUBBER;
 150                         wacom->id[0] = ERASER_DEVICE_ID;
 151                 }
 152                 else {
 153                         wacom->tool[0] = BTN_TOOL_PEN;
 154                         wacom->id[0] = STYLUS_DEVICE_ID;
 155                 }
 156         }
 157
 158         /* If the eraser is in prox, STYLUS2 is always set. If we
 159          * mis-detected the type and notice that STYLUS2 isn't set
 160          * then force the eraser out of prox and let the pen in.
 161          */
 162         if (wacom->tool[0] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
 163                 input_report_key(input, BTN_TOOL_RUBBER, 0);
 164                 input_report_abs(input, ABS_MISC, 0);
 165                 input_sync(input);
 166                 wacom->tool[0] = BTN_TOOL_PEN;
 167                 wacom->id[0] = STYLUS_DEVICE_ID;
 168         }
 169
 170         if (prox) {
 171                 pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
 172                 if (features->pressure_max > 255)
 173                         pressure = (pressure << 1) | ((data[4] >> 6) & 1);
 174                 pressure += (features->pressure_max + 1) / 2;
 175
 176                 input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
 177                 input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
 178                 input_report_abs(input, ABS_PRESSURE, pressure);
 179
 180                 input_report_key(input, BTN_TOUCH, data[4] & 0x08);
 181                 input_report_key(input, BTN_STYLUS, data[4] & 0x10);
 182                 /* Only allow the stylus2 button to be reported for the pen tool. */
 183                 input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20));
 184         }
 185
 186         if (!prox)
 187                 wacom->id[0] = 0;
 188         input_report_key(input, wacom->tool[0], prox);
 189         input_report_abs(input, ABS_MISC, wacom->id[0]);
 190         return 1;
 191 }
 192
 193 static int wacom_ptu_irq(struct wacom_wac *wacom)
 194 {
 195         unsigned char *data = wacom->data;
 196         struct input_dev *input = wacom->pen_input;
 197
 198         if (data[0] != WACOM_REPORT_PENABLED) {
 199                 dev_dbg(input->dev.parent,
 200                         "%s: received unknown report #%d\n", __func__, data[0]);
 201                 return 0;
 202         }
 203
 204         if (data[1] & 0x04) {
 205                 input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
 206                 input_report_key(input, BTN_TOUCH, data[1] & 0x08);
 207                 wacom->id[0] = ERASER_DEVICE_ID;
 208         } else {
 209                 input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
 210                 input_report_key(input, BTN_TOUCH, data[1] & 0x01);
 211                 wacom->id[0] = STYLUS_DEVICE_ID;
 212         }
 213         input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
 214         input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
 215         input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
 216         input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
 217         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
 218         input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
 219         return 1;
 220 }
 221
 222 static int wacom_dtu_irq(struct wacom_wac *wacom)
 223 {
 224         unsigned char *data = wacom->data;
 225         struct input_dev *input = wacom->pen_input;
 226         int prox = data[1] & 0x20;
 227
 228         dev_dbg(input->dev.parent,
 229                 "%s: received report #%d", __func__, data[0]);
 230
 231         if (prox) {
 232                 /* Going into proximity select tool */
 233                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
 234                 if (wacom->tool[0] == BTN_TOOL_PEN)
 235                         wacom->id[0] = STYLUS_DEVICE_ID;
 236                 else
 237                         wacom->id[0] = ERASER_DEVICE_ID;
 238         }
 239         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
 240         input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
 241         input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
 242         input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
 243         input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x01) << 8) | data[6]);
 244         input_report_key(input, BTN_TOUCH, data[1] & 0x05);
 245         if (!prox) /* out-prox */
 246                 wacom->id[0] = 0;
 247         input_report_key(input, wacom->tool[0], prox);
 248         input_report_abs(input, ABS_MISC, wacom->id[0]);
 249         return 1;
 250 }
 251
 252 static int wacom_dtus_irq(struct wacom_wac *wacom)
 253 {
 254         unsigned char *data = wacom->data;
 255         struct input_dev *input = wacom->pen_input;
 256         unsigned short prox, pressure = 0;
 257
 258         if (data[0] != WACOM_REPORT_DTUS && data[0] != WACOM_REPORT_DTUSPAD) {
 259                 dev_dbg(input->dev.parent,
 260                         "%s: received unknown report #%d", __func__, data[0]);
 261                 return 0;
 262         } else if (data[0] == WACOM_REPORT_DTUSPAD) {
 263                 input = wacom->pad_input;
 264                 input_report_key(input, BTN_0, (data[1] & 0x01));
 265                 input_report_key(input, BTN_1, (data[1] & 0x02));
 266                 input_report_key(input, BTN_2, (data[1] & 0x04));
 267                 input_report_key(input, BTN_3, (data[1] & 0x08));
 268                 input_report_abs(input, ABS_MISC,
 269                                  data[1] & 0x0f ? PAD_DEVICE_ID : 0);
 270                 return 1;
 271         } else {
 272                 prox = data[1] & 0x80;
 273                 if (prox) {
 274                         switch ((data[1] >> 3) & 3) {
 275                         case 1: /* Rubber */
 276                                 wacom->tool[0] = BTN_TOOL_RUBBER;
 277                                 wacom->id[0] = ERASER_DEVICE_ID;
 278                                 break;
 279
 280                         case 2: /* Pen */
 281                                 wacom->tool[0] = BTN_TOOL_PEN;
 282                                 wacom->id[0] = STYLUS_DEVICE_ID;
 283                                 break;
 284                         }
 285                 }
 286
 287                 input_report_key(input, BTN_STYLUS, data[1] & 0x20);
 288                 input_report_key(input, BTN_STYLUS2, data[1] & 0x40);
 289                 input_report_abs(input, ABS_X, get_unaligned_be16(&data[3]));
 290                 input_report_abs(input, ABS_Y, get_unaligned_be16(&data[5]));
 291                 pressure = ((data[1] & 0x03) << 8) | (data[2] & 0xff);
 292                 input_report_abs(input, ABS_PRESSURE, pressure);
 293                 input_report_key(input, BTN_TOUCH, pressure > 10);
 294
 295                 if (!prox) /* out-prox */
 296                         wacom->id[0] = 0;
 297                 input_report_key(input, wacom->tool[0], prox);
 298                 input_report_abs(input, ABS_MISC, wacom->id[0]);
 299                 return 1;
 300         }
 301 }
 302
 303 static int wacom_graphire_irq(struct wacom_wac *wacom)
 304 {
 305         struct wacom_features *features = &wacom->features;
 306         unsigned char *data = wacom->data;
 307         struct input_dev *input = wacom->pen_input;
 308         struct input_dev *pad_input = wacom->pad_input;
 309         int battery_capacity, ps_connected;
 310         int prox;
 311         int rw = 0;
 312         int retval = 0;
 313
 314         if (features->type == GRAPHIRE_BT) {
 315                 if (data[0] != WACOM_REPORT_PENABLED_BT) {
 316                         dev_dbg(input->dev.parent,
 317                                 "%s: received unknown report #%d\n", __func__,
 318                                 data[0]);
 319                         goto exit;
 320                 }
 321         } else if (data[0] != WACOM_REPORT_PENABLED) {
 322                 dev_dbg(input->dev.parent,
 323                         "%s: received unknown report #%d\n", __func__, data[0]);
 324                 goto exit;
 325         }
 326
 327         prox = data[1] & 0x80;
 328         if (prox || wacom->id[0]) {
 329                 if (prox) {
 330                         switch ((data[1] >> 5) & 3) {
 331
 332                         case 0: /* Pen */
 333                                 wacom->tool[0] = BTN_TOOL_PEN;
 334                                 wacom->id[0] = STYLUS_DEVICE_ID;
 335                                 break;
 336
 337                         case 1: /* Rubber */
 338                                 wacom->tool[0] = BTN_TOOL_RUBBER;
 339                                 wacom->id[0] = ERASER_DEVICE_ID;
 340                                 break;
 341
 342                         case 2: /* Mouse with wheel */
 343                                 input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
 344                                 /* fall through */
 345
 346                         case 3: /* Mouse without wheel */
 347                                 wacom->tool[0] = BTN_TOOL_MOUSE;
 348                                 wacom->id[0] = CURSOR_DEVICE_ID;
 349                                 break;
 350                         }
 351                 }
 352                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
 353                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
 354                 if (wacom->tool[0] != BTN_TOOL_MOUSE) {
 355                         if (features->type == GRAPHIRE_BT)
 356                                 input_report_abs(input, ABS_PRESSURE, data[6] |
 357                                         (((__u16) (data[1] & 0x08)) << 5));
 358                         else
 359                                 input_report_abs(input, ABS_PRESSURE, data[6] |
 360                                         ((data[7] & 0x03) << 8));
 361                         input_report_key(input, BTN_TOUCH, data[1] & 0x01);
 362                         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
 363                         input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
 364                 } else {
 365                         input_report_key(input, BTN_LEFT, data[1] & 0x01);
 366                         input_report_key(input, BTN_RIGHT, data[1] & 0x02);
 367                         if (features->type == WACOM_G4 ||
 368                                         features->type == WACOM_MO) {
 369                                 input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
 370                                 rw = (data[7] & 0x04) - (data[7] & 0x03);
 371                         } else if (features->type == GRAPHIRE_BT) {
 372                                 /* Compute distance between mouse and tablet */
 373                                 rw = 44 - (data[6] >> 2);
 374                                 rw = clamp_val(rw, 0, 31);
 375                                 input_report_abs(input, ABS_DISTANCE, rw);
 376                                 if (((data[1] >> 5) & 3) == 2) {
 377                                         /* Mouse with wheel */
 378                                         input_report_key(input, BTN_MIDDLE,
 379                                                         data[1] & 0x04);
 380                                         rw = (data[6] & 0x01) ? -1 :
 381                                                 (data[6] & 0x02) ? 1 : 0;
 382                                 } else {
 383                                         rw = 0;
 384                                 }
 385                         } else {
 386                                 input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
 387                                 rw = -(signed char)data[6];
 388                         }
 389                         input_report_rel(input, REL_WHEEL, rw);
 390                 }
 391
 392                 if (!prox)
 393                         wacom->id[0] = 0;
 394                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
 395                 input_report_key(input, wacom->tool[0], prox);
 396                 input_sync(input); /* sync last event */
 397         }
 398
 399         /* send pad data */
 400         switch (features->type) {
 401         case WACOM_G4:
 402                 prox = data[7] & 0xf8;
 403                 if (prox || wacom->id[1]) {
 404                         wacom->id[1] = PAD_DEVICE_ID;
 405                         input_report_key(pad_input, BTN_BACK, (data[7] & 0x40));
 406                         input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x80));
 407                         rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
 408                         input_report_rel(pad_input, REL_WHEEL, rw);
 409                         if (!prox)
 410                                 wacom->id[1] = 0;
 411                         input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
 412                         retval = 1;
 413                 }
 414                 break;
 415
 416         case WACOM_MO:
 417                 prox = (data[7] & 0xf8) || data[8];
 418                 if (prox || wacom->id[1]) {
 419                         wacom->id[1] = PAD_DEVICE_ID;
 420                         input_report_key(pad_input, BTN_BACK, (data[7] & 0x08));
 421                         input_report_key(pad_input, BTN_LEFT, (data[7] & 0x20));
 422                         input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x10));
 423                         input_report_key(pad_input, BTN_RIGHT, (data[7] & 0x40));
 424                         input_report_abs(pad_input, ABS_WHEEL, (data[8] & 0x7f));
 425                         if (!prox)
 426                                 wacom->id[1] = 0;
 427                         input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
 428                         retval = 1;
 429                 }
 430                 break;
 431         case GRAPHIRE_BT:
 432                 prox = data[7] & 0x03;
 433                 if (prox || wacom->id[1]) {
 434                         wacom->id[1] = PAD_DEVICE_ID;
 435                         input_report_key(pad_input, BTN_0, (data[7] & 0x02));
 436                         input_report_key(pad_input, BTN_1, (data[7] & 0x01));
 437                         if (!prox)
 438                                 wacom->id[1] = 0;
 439                         input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
 440                         retval = 1;
 441                 }
 442                 break;
 443         }
 444
 445         /* Store current battery capacity and power supply state */
 446         if (features->type == GRAPHIRE_BT) {
 447                 rw = (data[7] >> 2 & 0x07);
 448                 battery_capacity = batcap_gr[rw];
 449                 ps_connected = rw == 7;
 450                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
 451                                      battery_capacity, ps_connected, 1,
 452                                      ps_connected);
 453         }
 454 exit:
 455         return retval;
 456 }
 457
 458 static void wacom_intuos_schedule_prox_event(struct wacom_wac *wacom_wac)
 459 {
 460         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
 461         struct wacom_features *features = &wacom_wac->features;
 462         struct hid_report *r;
 463         struct hid_report_enum *re;
 464
 465         re = &(wacom->hdev->report_enum[HID_FEATURE_REPORT]);
 466         if (features->type == INTUOSHT2)
 467                 r = re->report_id_hash[WACOM_REPORT_INTUOSHT2_ID];
 468         else
 469                 r = re->report_id_hash[WACOM_REPORT_INTUOS_ID1];
 470         if (r) {
 471                 hid_hw_request(wacom->hdev, r, HID_REQ_GET_REPORT);
 472         }
 473 }
 474
 475 static int wacom_intuos_pad(struct wacom_wac *wacom)
 476 {
 477         struct wacom_features *features = &wacom->features;
 478         unsigned char *data = wacom->data;
 479         struct input_dev *input = wacom->pad_input;
 480         int i;
 481         int buttons = 0, nbuttons = features->numbered_buttons;
 482         int keys = 0, nkeys = 0;
 483         int ring1 = 0, ring2 = 0;
 484         int strip1 = 0, strip2 = 0;
 485         bool prox = false;
 486         bool wrench = false, keyboard = false, mute_touch = false, menu = false,
 487              info = false;
 488
 489         /* pad packets. Works as a second tool and is always in prox */
 490         if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
 491               data[0] == WACOM_REPORT_CINTIQPAD))
 492                 return 0;
 493
 494         if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
 495                 buttons = (data[3] << 1) | (data[2] & 0x01);
 496                 ring1 = data[1];
 497         } else if (features->type == DTK) {
 498                 buttons = data[6];
 499         } else if (features->type == WACOM_13HD) {
 500                 buttons = (data[4] << 1) | (data[3] & 0x01);
 501         } else if (features->type == WACOM_24HD) {
 502                 buttons = (data[8] << 8) | data[6];
 503                 ring1 = data[1];
 504                 ring2 = data[2];
 505
 506                 /*
 507                  * Three "buttons" are available on the 24HD which are
 508                  * physically implemented as a touchstrip. Each button
 509                  * is approximately 3 bits wide with a 2 bit spacing.
 510                  * The raw touchstrip bits are stored at:
 511                  *    ((data[3] & 0x1f) << 8) | data[4])
 512                  */
 513                 nkeys = 3;
 514                 keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
 515                        ((data[4] & 0xE0) ? 1<<1 : 0) |
 516                        ((data[4] & 0x07) ? 1<<0 : 0);
 517                 keyboard = !!(data[4] & 0xE0);
 518                 info = !!(data[3] & 0x1C);
 519
 520                 if (features->oPid) {
 521                         mute_touch = !!(data[4] & 0x07);
 522                         if (mute_touch)
 523                                 wacom->shared->is_touch_on =
 524                                         !wacom->shared->is_touch_on;
 525                 } else {
 526                         wrench = !!(data[4] & 0x07);
 527                 }
 528         } else if (features->type == WACOM_27QHD) {
 529                 nkeys = 3;
 530                 keys = data[2] & 0x07;
 531
 532                 wrench = !!(data[2] & 0x01);
 533                 keyboard = !!(data[2] & 0x02);
 534
 535                 if (features->oPid) {
 536                         mute_touch = !!(data[2] & 0x04);
 537                         if (mute_touch)
 538                                 wacom->shared->is_touch_on =
 539                                         !wacom->shared->is_touch_on;
 540                 } else {
 541                         menu = !!(data[2] & 0x04);
 542                 }
 543                 input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
 544                 input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
 545                 input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
 546         } else if (features->type == CINTIQ_HYBRID) {
 547                 /*
 548                  * Do not send hardware buttons under Android. They
 549                  * are already sent to the system through GPIO (and
 550                  * have different meaning).
 551                  *
 552                  * d-pad right  -> data[4] & 0x10
 553                  * d-pad up     -> data[4] & 0x20
 554                  * d-pad left   -> data[4] & 0x40
 555                  * d-pad down   -> data[4] & 0x80
 556                  * d-pad center -> data[3] & 0x01
 557                  */
 558                 buttons = (data[4] << 1) | (data[3] & 0x01);
 559         } else if (features->type == CINTIQ_COMPANION_2) {
 560                 /* d-pad right  -> data[2] & 0x10
 561                  * d-pad up     -> data[2] & 0x20
 562                  * d-pad left   -> data[2] & 0x40
 563                  * d-pad down   -> data[2] & 0x80
 564                  * d-pad center -> data[1] & 0x01
 565                  */
 566                 buttons = ((data[2] >> 4) << 7) |
 567                           ((data[1] & 0x04) << 4) |
 568                           ((data[2] & 0x0F) << 2) |
 569                           (data[1] & 0x03);
 570         } else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
 571                 /*
 572                  * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
 573                  * addition to the mechanical switch. Switch data is
 574                  * stored in data[4], capacitive data in data[5].
 575                  *
 576                  * Touch ring mode switch (data[3]) has no capacitive sensor
 577                  */
 578                 buttons = (data[4] << 1) | (data[3] & 0x01);
 579                 ring1 = data[2];
 580         } else {
 581                 if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
 582                         buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
 583                                   (data[6] << 1) | (data[5] & 0x01);
 584
 585                         if (features->type == WACOM_22HD) {
 586                                 nkeys = 3;
 587                                 keys = data[9] & 0x07;
 588
 589                                 info = !!(data[9] & 0x01);
 590                                 wrench = !!(data[9] & 0x02);
 591                         }
 592                 } else {
 593                         buttons = ((data[6] & 0x10) << 5)  |
 594                                   ((data[5] & 0x10) << 4)  |
 595                                   ((data[6] & 0x0F) << 4)  |
 596                                   (data[5] & 0x0F);
 597                 }
 598                 strip1 = ((data[1] & 0x1f) << 8) | data[2];
 599                 strip2 = ((data[3] & 0x1f) << 8) | data[4];
 600         }
 601
 602         prox = (buttons & ~(~0U << nbuttons)) | (keys & ~(~0U << nkeys)) |
 603                (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;
 604
 605         wacom_report_numbered_buttons(input, nbuttons, buttons);
 606
 607         for (i = 0; i < nkeys; i++)
 608                 input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
 609
 610         input_report_key(input, KEY_BUTTONCONFIG, wrench);
 611         input_report_key(input, KEY_ONSCREEN_KEYBOARD, keyboard);
 612         input_report_key(input, KEY_CONTROLPANEL, menu);
 613         input_report_key(input, KEY_INFO, info);
 614
 615         if (wacom->shared && wacom->shared->touch_input) {
 616                 input_report_switch(wacom->shared->touch_input,
 617                                     SW_MUTE_DEVICE,
 618                                     !wacom->shared->is_touch_on);
 619                 input_sync(wacom->shared->touch_input);
 620         }
 621
 622         input_report_abs(input, ABS_RX, strip1);
 623         input_report_abs(input, ABS_RY, strip2);
 624
 625         input_report_abs(input, ABS_WHEEL,    (ring1 & 0x80) ? (ring1 & 0x7f) : 0);
 626         input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0);
 627
 628         input_report_key(input, wacom->tool[1], prox ? 1 : 0);
 629         input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
 630
 631         input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
 632
 633         return 1;
 634 }
 635
 636 static int wacom_intuos_id_mangle(int tool_id)
 637 {
 638         return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF);
 639 }
 640
 641 static int wacom_intuos_get_tool_type(int tool_id)
 642 {
 643         int tool_type;
 644
 645         switch (tool_id) {
 646         case 0x812: /* Inking pen */
 647         case 0x801: /* Intuos3 Inking pen */
 648         case 0x12802: /* Intuos4/5 Inking Pen */
 649         case 0x012:
 650                 tool_type = BTN_TOOL_PENCIL;
 651                 break;
 652
 653         case 0x822: /* Pen */
 654         case 0x842:
 655         case 0x852:
 656         case 0x823: /* Intuos3 Grip Pen */
 657         case 0x813: /* Intuos3 Classic Pen */
 658         case 0x885: /* Intuos3 Marker Pen */
 659         case 0x802: /* Intuos4/5 13HD/24HD General Pen */
 660         case 0x804: /* Intuos4/5 13HD/24HD Marker Pen */
 661         case 0x8e2: /* IntuosHT2 pen */
 662         case 0x022:
 663         case 0x10804: /* Intuos4/5 13HD/24HD Art Pen */
 664         case 0x10842: /* MobileStudio Pro Pro Pen slim */
 665         case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
 666         case 0x16802: /* Cintiq 13HD Pro Pen */
 667         case 0x18802: /* DTH2242 Pen */
 668         case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
 669                 tool_type = BTN_TOOL_PEN;
 670                 break;
 671
 672         case 0x832: /* Stroke pen */
 673         case 0x032:
 674                 tool_type = BTN_TOOL_BRUSH;
 675                 break;
 676
 677         case 0x007: /* Mouse 4D and 2D */
 678         case 0x09c:
 679         case 0x094:
 680         case 0x017: /* Intuos3 2D Mouse */
 681         case 0x806: /* Intuos4 Mouse */
 682                 tool_type = BTN_TOOL_MOUSE;
 683                 break;
 684
 685         case 0x096: /* Lens cursor */
 686         case 0x097: /* Intuos3 Lens cursor */
 687         case 0x006: /* Intuos4 Lens cursor */
 688                 tool_type = BTN_TOOL_LENS;
 689                 break;
 690
 691         case 0x82a: /* Eraser */
 692         case 0x84a:
 693         case 0x85a:
 694         case 0x91a:
 695         case 0xd1a:
 696         case 0x0fa:
 697         case 0x82b: /* Intuos3 Grip Pen Eraser */
 698         case 0x81b: /* Intuos3 Classic Pen Eraser */
 699         case 0x91b: /* Intuos3 Airbrush Eraser */
 700         case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
 701         case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
 702         case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
 703         case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
 704         case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
 705         case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
 706         case 0x1084a: /* MobileStudio Pro Pro Pen slim Eraser */
 707         case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
 708         case 0x1880a: /* DTH2242 Eraser */
 709         case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
 710                 tool_type = BTN_TOOL_RUBBER;
 711                 break;
 712
 713         case 0xd12:
 714         case 0x912:
 715         case 0x112:
 716         case 0x913: /* Intuos3 Airbrush */
 717         case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
 718         case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
 719                 tool_type = BTN_TOOL_AIRBRUSH;
 720                 break;
 721
 722         default: /* Unknown tool */
 723                 tool_type = BTN_TOOL_PEN;
 724                 break;
 725         }
 726         return tool_type;
 727 }
 728
 729 static void wacom_exit_report(struct wacom_wac *wacom)
 730 {
 731         struct input_dev *input = wacom->pen_input;
 732         struct wacom_features *features = &wacom->features;
 733         unsigned char *data = wacom->data;
 734         int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
 735
 736         /*
 737          * Reset all states otherwise we lose the initial states
 738          * when in-prox next time
 739          */
 740         input_report_abs(input, ABS_X, 0);
 741         input_report_abs(input, ABS_Y, 0);
 742         input_report_abs(input, ABS_DISTANCE, 0);
 743         input_report_abs(input, ABS_TILT_X, 0);
 744         input_report_abs(input, ABS_TILT_Y, 0);
 745         if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
 746                 input_report_key(input, BTN_LEFT, 0);
 747                 input_report_key(input, BTN_MIDDLE, 0);
 748                 input_report_key(input, BTN_RIGHT, 0);
 749                 input_report_key(input, BTN_SIDE, 0);
 750                 input_report_key(input, BTN_EXTRA, 0);
 751                 input_report_abs(input, ABS_THROTTLE, 0);
 752                 input_report_abs(input, ABS_RZ, 0);
 753         } else {
 754                 input_report_abs(input, ABS_PRESSURE, 0);
 755                 input_report_key(input, BTN_STYLUS, 0);
 756                 input_report_key(input, BTN_STYLUS2, 0);
 757                 input_report_key(input, BTN_TOUCH, 0);
 758                 input_report_abs(input, ABS_WHEEL, 0);
 759                 if (features->type >= INTUOS3S)
 760                         input_report_abs(input, ABS_Z, 0);
 761         }
 762         input_report_key(input, wacom->tool[idx], 0);
 763         input_report_abs(input, ABS_MISC, 0); /* reset tool id */
 764         input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
 765         wacom->id[idx] = 0;
 766 }
 767
 768 static int wacom_intuos_inout(struct wacom_wac *wacom)
 769 {
 770         struct wacom_features *features = &wacom->features;
 771         unsigned char *data = wacom->data;
 772         struct input_dev *input = wacom->pen_input;
 773         int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
 774
 775         if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
 776             ((data[1] & 0xfe) == 0x20) ||    /* in range */
 777             ((data[1] & 0xfe) == 0x80)))     /* out prox */
 778                 return 0;
 779
 780         /* Enter report */
 781         if ((data[1] & 0xfc) == 0xc0) {
 782                 /* serial number of the tool */
 783                 wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
 784                         (data[4] << 20) + (data[5] << 12) +
 785                         (data[6] << 4) + (data[7] >> 4);
 786
 787                 wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
 788                      ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
 789
 790                 wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
 791
 792                 wacom->shared->stylus_in_proximity = true;
 793                 return 1;
 794         }
 795
 796         /* in Range */
 797         if ((data[1] & 0xfe) == 0x20) {
 798                 if (features->type != INTUOSHT2)
 799                         wacom->shared->stylus_in_proximity = true;
 800
 801                 /* in Range while exiting */
 802                 if (wacom->reporting_data) {
 803                         input_report_key(input, BTN_TOUCH, 0);
 804                         input_report_abs(input, ABS_PRESSURE, 0);
 805                         input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
 806                         return 2;
 807                 }
 808                 return 1;
 809         }
 810
 811         /* Exit report */
 812         if ((data[1] & 0xfe) == 0x80) {
 813                 wacom->shared->stylus_in_proximity = false;
 814                 wacom->reporting_data = false;
 815
 816                 /* don't report exit if we don't know the ID */
 817                 if (!wacom->id[idx])
 818                         return 1;
 819
 820                 wacom_exit_report(wacom);
 821                 return 2;
 822         }
 823
 824         return 0;
 825 }
 826
 827 static inline bool report_touch_events(struct wacom_wac *wacom)
 828 {
 829         return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
 830 }
 831
 832 static inline bool delay_pen_events(struct wacom_wac *wacom)
 833 {
 834         return (wacom->shared->touch_down && touch_arbitration);
 835 }
 836
 837 static int wacom_intuos_general(struct wacom_wac *wacom)
 838 {
 839         struct wacom_features *features = &wacom->features;
 840         unsigned char *data = wacom->data;
 841         struct input_dev *input = wacom->pen_input;
 842         int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
 843         unsigned char type = (data[1] >> 1) & 0x0F;
 844         unsigned int x, y, distance, t;
 845
 846         if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
 847                 data[0] != WACOM_REPORT_INTUOS_PEN)
 848                 return 0;
 849
 850         if (delay_pen_events(wacom))
 851                 return 1;
 852
 853         /* don't report events if we don't know the tool ID */
 854         if (!wacom->id[idx]) {
 855                 /* but reschedule a read of the current tool */
 856                 wacom_intuos_schedule_prox_event(wacom);
 857                 return 1;
 858         }
 859
 860         /*
 861          * don't report events for invalid data
 862          */
 863         /* older I4 styli don't work with new Cintiqs */
 864         if ((!((wacom->id[idx] >> 16) & 0x01) &&
 865                         (features->type == WACOM_21UX2)) ||
 866             /* Only large Intuos support Lense Cursor */
 867             (wacom->tool[idx] == BTN_TOOL_LENS &&
 868                 (features->type == INTUOS3 ||
 869                  features->type == INTUOS3S ||
 870                  features->type == INTUOS4 ||
 871                  features->type == INTUOS4S ||
 872                  features->type == INTUOS5 ||
 873                  features->type == INTUOS5S ||
 874                  features->type == INTUOSPM ||
 875                  features->type == INTUOSPS)) ||
 876            /* Cintiq doesn't send data when RDY bit isn't set */
 877            (features->type == CINTIQ && !(data[1] & 0x40)))
 878                 return 1;
 879
 880         x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
 881         y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
 882         distance = data[9] >> 2;
 883         if (features->type < INTUOS3S) {
 884                 x >>= 1;
 885                 y >>= 1;
 886                 distance >>= 1;
 887         }
 888         if (features->type == INTUOSHT2)
 889                 distance = features->distance_max - distance;
 890         input_report_abs(input, ABS_X, x);
 891         input_report_abs(input, ABS_Y, y);
 892         input_report_abs(input, ABS_DISTANCE, distance);
 893
 894         switch (type) {
 895         case 0x00:
 896         case 0x01:
 897         case 0x02:
 898         case 0x03:
 899                 /* general pen packet */
 900                 t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
 901                 if (features->pressure_max < 2047)
 902                         t >>= 1;
 903                 input_report_abs(input, ABS_PRESSURE, t);
 904                 if (features->type != INTUOSHT2) {
 905                     input_report_abs(input, ABS_TILT_X,
 906                                  (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
 907                     input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
 908                 }
 909                 input_report_key(input, BTN_STYLUS, data[1] & 2);
 910                 input_report_key(input, BTN_STYLUS2, data[1] & 4);
 911                 input_report_key(input, BTN_TOUCH, t > 10);
 912                 break;
 913
 914         case 0x0a:
 915                 /* airbrush second packet */
 916                 input_report_abs(input, ABS_WHEEL,
 917                                 (data[6] << 2) | ((data[7] >> 6) & 3));
 918                 input_report_abs(input, ABS_TILT_X,
 919                                  (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
 920                 input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
 921                 break;
 922
 923         case 0x05:
 924                 /* Rotation packet */
 925                 if (features->type >= INTUOS3S) {
 926                         /* I3 marker pen rotation */
 927                         t = (data[6] << 3) | ((data[7] >> 5) & 7);
 928                         t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
 929                                 ((t-1) / 2 + 450)) : (450 - t / 2) ;
 930                         input_report_abs(input, ABS_Z, t);
 931                 } else {
 932                         /* 4D mouse 2nd packet */
 933                         t = (data[6] << 3) | ((data[7] >> 5) & 7);
 934                         input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
 935                                 ((t - 1) / 2) : -t / 2);
 936                 }
 937                 break;
 938
 939         case 0x04:
 940                 /* 4D mouse 1st packet */
 941                 input_report_key(input, BTN_LEFT,   data[8] & 0x01);
 942                 input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
 943                 input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
 944
 945                 input_report_key(input, BTN_SIDE,   data[8] & 0x20);
 946                 input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
 947                 t = (data[6] << 2) | ((data[7] >> 6) & 3);
 948                 input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
 949                 break;
 950
 951         case 0x06:
 952                 /* I4 mouse */
 953                 input_report_key(input, BTN_LEFT,   data[6] & 0x01);
 954                 input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
 955                 input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
 956                 input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
 957                                  - ((data[7] & 0x40) >> 6));
 958                 input_report_key(input, BTN_SIDE,   data[6] & 0x08);
 959                 input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
 960
 961                 input_report_abs(input, ABS_TILT_X,
 962                         (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
 963                 input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
 964                 break;
 965
 966         case 0x08:
 967                 if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
 968                         /* 2D mouse packet */
 969                         input_report_key(input, BTN_LEFT,   data[8] & 0x04);
 970                         input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
 971                         input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
 972                         input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
 973                                          - ((data[8] & 0x02) >> 1));
 974
 975                         /* I3 2D mouse side buttons */
 976                         if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
 977                                 input_report_key(input, BTN_SIDE,   data[8] & 0x40);
 978                                 input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
 979                         }
 980                 }
 981                 else if (wacom->tool[idx] == BTN_TOOL_LENS) {
 982                         /* Lens cursor packets */
 983                         input_report_key(input, BTN_LEFT,   data[8] & 0x01);
 984                         input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
 985                         input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
 986                         input_report_key(input, BTN_SIDE,   data[8] & 0x10);
 987                         input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
 988                 }
 989                 break;
 990
 991         case 0x07:
 992         case 0x09:
 993         case 0x0b:
 994         case 0x0c:
 995         case 0x0d:
 996         case 0x0e:
 997         case 0x0f:
 998                 /* unhandled */
 999                 break;
1000         }
1001
1002         input_report_abs(input, ABS_MISC,
1003                          wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
1004         input_report_key(input, wacom->tool[idx], 1);
1005         input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
1006         wacom->reporting_data = true;
1007         return 2;
1008 }
1009
1010 static int wacom_intuos_irq(struct wacom_wac *wacom)
1011 {
1012         unsigned char *data = wacom->data;
1013         struct input_dev *input = wacom->pen_input;
1014         int result;
1015
1016         if (data[0] != WACOM_REPORT_PENABLED &&
1017             data[0] != WACOM_REPORT_INTUOS_ID1 &&
1018             data[0] != WACOM_REPORT_INTUOS_ID2 &&
1019             data[0] != WACOM_REPORT_INTUOSPAD &&
1020             data[0] != WACOM_REPORT_INTUOS_PEN &&
1021             data[0] != WACOM_REPORT_CINTIQ &&
1022             data[0] != WACOM_REPORT_CINTIQPAD &&
1023             data[0] != WACOM_REPORT_INTUOS5PAD) {
1024                 dev_dbg(input->dev.parent,
1025                         "%s: received unknown report #%d\n", __func__, data[0]);
1026                 return 0;
1027         }
1028
1029         /* process pad events */
1030         result = wacom_intuos_pad(wacom);
1031         if (result)
1032                 return result;
1033
1034         /* process in/out prox events */
1035         result = wacom_intuos_inout(wacom);
1036         if (result)
1037                 return result - 1;
1038
1039         /* process general packets */
1040         result = wacom_intuos_general(wacom);
1041         if (result)
1042                 return result - 1;
1043
1044         return 0;
1045 }
1046
1047 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
1048 {
1049         unsigned char *data = wacom_wac->data;
1050         struct input_dev *input;
1051         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1052         struct wacom_remote *remote = wacom->remote;
1053         int bat_charging, bat_percent, touch_ring_mode;
1054         __u32 serial;
1055         int i, index = -1;
1056         unsigned long flags;
1057
1058         if (data[0] != WACOM_REPORT_REMOTE) {
1059                 hid_dbg(wacom->hdev, "%s: received unknown report #%d",
1060                         __func__, data[0]);
1061                 return 0;
1062         }
1063
1064         serial = data[3] + (data[4] << 8) + (data[5] << 16);
1065         wacom_wac->id[0] = PAD_DEVICE_ID;
1066
1067         spin_lock_irqsave(&remote->remote_lock, flags);
1068
1069         for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1070                 if (remote->remotes[i].serial == serial) {
1071                         index = i;
1072                         break;
1073                 }
1074         }
1075
1076         if (index < 0 || !remote->remotes[index].registered)
1077                 goto out;
1078
1079         input = remote->remotes[index].input;
1080
1081         input_report_key(input, BTN_0, (data[9] & 0x01));
1082         input_report_key(input, BTN_1, (data[9] & 0x02));
1083         input_report_key(input, BTN_2, (data[9] & 0x04));
1084         input_report_key(input, BTN_3, (data[9] & 0x08));
1085         input_report_key(input, BTN_4, (data[9] & 0x10));
1086         input_report_key(input, BTN_5, (data[9] & 0x20));
1087         input_report_key(input, BTN_6, (data[9] & 0x40));
1088         input_report_key(input, BTN_7, (data[9] & 0x80));
1089
1090         input_report_key(input, BTN_8, (data[10] & 0x01));
1091         input_report_key(input, BTN_9, (data[10] & 0x02));
1092         input_report_key(input, BTN_A, (data[10] & 0x04));
1093         input_report_key(input, BTN_B, (data[10] & 0x08));
1094         input_report_key(input, BTN_C, (data[10] & 0x10));
1095         input_report_key(input, BTN_X, (data[10] & 0x20));
1096         input_report_key(input, BTN_Y, (data[10] & 0x40));
1097         input_report_key(input, BTN_Z, (data[10] & 0x80));
1098
1099         input_report_key(input, BTN_BASE, (data[11] & 0x01));
1100         input_report_key(input, BTN_BASE2, (data[11] & 0x02));
1101
1102         if (data[12] & 0x80)
1103                 input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
1104         else
1105                 input_report_abs(input, ABS_WHEEL, 0);
1106
1107         bat_percent = data[7] & 0x7f;
1108         bat_charging = !!(data[7] & 0x80);
1109
1110         if (data[9] | data[10] | (data[11] & 0x03) | data[12])
1111                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
1112         else
1113                 input_report_abs(input, ABS_MISC, 0);
1114
1115         input_event(input, EV_MSC, MSC_SERIAL, serial);
1116
1117         input_sync(input);
1118
1119         /*Which mode select (LED light) is currently on?*/
1120         touch_ring_mode = (data[11] & 0xC0) >> 6;
1121
1122         for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1123                 if (remote->remotes[i].serial == serial)
1124                         wacom->led.groups[i].select = touch_ring_mode;
1125         }
1126
1127         __wacom_notify_battery(&remote->remotes[index].battery,
1128                                 WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
1129                                 bat_charging, 1, bat_charging);
1130
1131 out:
1132         spin_unlock_irqrestore(&remote->remote_lock, flags);
1133         return 0;
1134 }
1135
1136 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
1137 {
1138         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1139         unsigned char *data = wacom_wac->data;
1140         struct wacom_remote *remote = wacom->remote;
1141         struct wacom_remote_data remote_data;
1142         unsigned long flags;
1143         int i, ret;
1144
1145         if (data[0] != WACOM_REPORT_DEVICE_LIST)
1146                 return;
1147
1148         memset(&remote_data, 0, sizeof(struct wacom_remote_data));
1149
1150         for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1151                 int j = i * 6;
1152                 int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
1153                 bool connected = data[j+2];
1154
1155                 remote_data.remote[i].serial = serial;
1156                 remote_data.remote[i].connected = connected;
1157         }
1158
1159         spin_lock_irqsave(&remote->remote_lock, flags);
1160
1161         ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
1162         if (ret != sizeof(remote_data)) {
1163                 spin_unlock_irqrestore(&remote->remote_lock, flags);
1164                 hid_err(wacom->hdev, "Can't queue Remote status event.\n");
1165                 return;
1166         }
1167
1168         spin_unlock_irqrestore(&remote->remote_lock, flags);
1169
1170         wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
1171 }
1172
1173 static int int_dist(int x1, int y1, int x2, int y2)
1174 {
1175         int x = x2 - x1;
1176         int y = y2 - y1;
1177
1178         return int_sqrt(x*x + y*y);
1179 }
1180
1181 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1182                 unsigned char *data)
1183 {
1184         memcpy(wacom->data, data, 10);
1185         wacom_intuos_irq(wacom);
1186
1187         input_sync(wacom->pen_input);
1188         if (wacom->pad_input)
1189                 input_sync(wacom->pad_input);
1190 }
1191
1192 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1193 {
1194         unsigned char data[WACOM_PKGLEN_MAX];
1195         int i = 1;
1196         unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1197
1198         memcpy(data, wacom->data, len);
1199
1200         switch (data[0]) {
1201         case 0x04:
1202                 wacom_intuos_bt_process_data(wacom, data + i);
1203                 i += 10;
1204                 /* fall through */
1205         case 0x03:
1206                 wacom_intuos_bt_process_data(wacom, data + i);
1207                 i += 10;
1208                 wacom_intuos_bt_process_data(wacom, data + i);
1209                 i += 10;
1210                 power_raw = data[i];
1211                 bat_charging = (power_raw & 0x08) ? 1 : 0;
1212                 ps_connected = (power_raw & 0x10) ? 1 : 0;
1213                 battery_capacity = batcap_i4[power_raw & 0x07];
1214                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1215                                      battery_capacity, bat_charging,
1216                                      battery_capacity || bat_charging,
1217                                      ps_connected);
1218                 break;
1219         default:
1220                 dev_dbg(wacom->pen_input->dev.parent,
1221                                 "Unknown report: %d,%d size:%zu\n",
1222                                 data[0], data[1], len);
1223                 return 0;
1224         }
1225         return 0;
1226 }
1227
1228 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1229 {
1230         struct input_dev *input = wacom->touch_input;
1231         unsigned touch_max = wacom->features.touch_max;
1232         int count = 0;
1233         int i;
1234
1235         if (!touch_max)
1236                 return 0;
1237
1238         if (touch_max == 1)
1239                 return test_bit(BTN_TOUCH, input->key) &&
1240                         report_touch_events(wacom);
1241
1242         for (i = 0; i < input->mt->num_slots; i++) {
1243                 struct input_mt_slot *ps = &input->mt->slots[i];
1244                 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1245                 if (id >= 0)
1246                         count++;
1247         }
1248
1249         return count;
1250 }
1251
1252 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1253 {
1254         int pen_frame_len, pen_frames;
1255
1256         struct input_dev *pen_input = wacom->pen_input;
1257         unsigned char *data = wacom->data;
1258         int i;
1259
1260         if (wacom->features.type == INTUOSP2_BT ||
1261             wacom->features.type == INTUOSP2S_BT) {
1262                 wacom->serial[0] = get_unaligned_le64(&data[99]);
1263                 wacom->id[0]     = get_unaligned_le16(&data[107]);
1264                 pen_frame_len = 14;
1265                 pen_frames = 7;
1266         } else {
1267                 wacom->serial[0] = get_unaligned_le64(&data[33]);
1268                 wacom->id[0]     = get_unaligned_le16(&data[41]);
1269                 pen_frame_len = 8;
1270                 pen_frames = 4;
1271         }
1272
1273         if (wacom->serial[0] >> 52 == 1) {
1274                 /* Add back in missing bits of ID for non-USI pens */
1275                 wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1276         }
1277
1278         for (i = 0; i < pen_frames; i++) {
1279                 unsigned char *frame = &data[i*pen_frame_len + 1];
1280                 bool valid = frame[0] & 0x80;
1281                 bool prox = frame[0] & 0x40;
1282                 bool range = frame[0] & 0x20;
1283                 bool invert = frame[0] & 0x10;
1284
1285                 if (!valid)
1286                         continue;
1287
1288                 if (!prox) {
1289                         wacom->shared->stylus_in_proximity = false;
1290                         wacom_exit_report(wacom);
1291                         input_sync(pen_input);
1292
1293                         wacom->tool[0] = 0;
1294                         wacom->id[0] = 0;
1295                         wacom->serial[0] = 0;
1296                         return;
1297                 }
1298
1299                 if (range) {
1300                         if (!wacom->tool[0]) { /* first in range */
1301                                 /* Going into range select tool */
1302                                 if (invert)
1303                                         wacom->tool[0] = BTN_TOOL_RUBBER;
1304                                 else if (wacom->id[0])
1305                                         wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]);
1306                                 else
1307                                         wacom->tool[0] = BTN_TOOL_PEN;
1308                         }
1309
1310                         input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1311                         input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1312
1313                         if (wacom->features.type == INTUOSP2_BT ||
1314                             wacom->features.type == INTUOSP2S_BT) {
1315                                 /* Fix rotation alignment: userspace expects zero at left */
1316                                 int16_t rotation =
1317                                         (int16_t)get_unaligned_le16(&frame[9]);
1318                                 rotation += 1800/4;
1319
1320                                 if (rotation > 899)
1321                                         rotation -= 1800;
1322
1323                                 input_report_abs(pen_input, ABS_TILT_X,
1324                                                  (char)frame[7]);
1325                                 input_report_abs(pen_input, ABS_TILT_Y,
1326                                                  (char)frame[8]);
1327                                 input_report_abs(pen_input, ABS_Z, rotation);
1328                                 input_report_abs(pen_input, ABS_WHEEL,
1329                                                  get_unaligned_le16(&frame[11]));
1330                         }
1331                 }
1332                 if (wacom->tool[0]) {
1333                         input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1334                         if (wacom->features.type == INTUOSP2_BT ||
1335                             wacom->features.type == INTUOSP2S_BT) {
1336                                 input_report_abs(pen_input, ABS_DISTANCE,
1337                                                  range ? frame[13] : wacom->features.distance_max);
1338                         } else {
1339                                 input_report_abs(pen_input, ABS_DISTANCE,
1340                                                  range ? frame[7] : wacom->features.distance_max);
1341                         }
1342
1343                         input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09);
1344                         input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1345                         input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1346
1347                         input_report_key(pen_input, wacom->tool[0], prox);
1348                         input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1349                         input_report_abs(pen_input, ABS_MISC,
1350                                          wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1351                 }
1352
1353                 wacom->shared->stylus_in_proximity = prox;
1354
1355                 input_sync(pen_input);
1356         }
1357 }
1358
1359 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1360 {
1361         const int finger_touch_len = 8;
1362         const int finger_frames = 4;
1363         const int finger_frame_len = 43;
1364
1365         struct input_dev *touch_input = wacom->touch_input;
1366         unsigned char *data = wacom->data;
1367         int num_contacts_left = 5;
1368         int i, j;
1369
1370         for (i = 0; i < finger_frames; i++) {
1371                 unsigned char *frame = &data[i*finger_frame_len + 109];
1372                 int current_num_contacts = frame[0] & 0x7F;
1373                 int contacts_to_send;
1374
1375                 if (!(frame[0] & 0x80))
1376                         continue;
1377
1378                 /*
1379                  * First packet resets the counter since only the first
1380                  * packet in series will have non-zero current_num_contacts.
1381                  */
1382                 if (current_num_contacts)
1383                         wacom->num_contacts_left = current_num_contacts;
1384
1385                 contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1386
1387                 for (j = 0; j < contacts_to_send; j++) {
1388                         unsigned char *touch = &frame[j*finger_touch_len + 1];
1389                         int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1390                         int x = get_unaligned_le16(&touch[2]);
1391                         int y = get_unaligned_le16(&touch[4]);
1392                         int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1393                         int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1394
1395                         if (slot < 0)
1396                                 continue;
1397
1398                         input_mt_slot(touch_input, slot);
1399                         input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1400                         input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1401                         input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1402                         input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1403                         input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1404                         input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1405                 }
1406
1407                 input_mt_sync_frame(touch_input);
1408
1409                 wacom->num_contacts_left -= contacts_to_send;
1410                 if (wacom->num_contacts_left <= 0) {
1411                         wacom->num_contacts_left = 0;
1412                         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1413                         input_sync(touch_input);
1414                 }
1415         }
1416
1417         if (wacom->num_contacts_left == 0) {
1418                 // Be careful that we don't accidentally call input_sync with
1419                 // only a partial set of fingers of processed
1420                 input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1421                 input_sync(touch_input);
1422         }
1423
1424 }
1425
1426 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1427 {
1428         struct input_dev *pad_input = wacom->pad_input;
1429         unsigned char *data = wacom->data;
1430
1431         int buttons = data[282] | ((data[281] & 0x40) << 2);
1432         int ring = data[285] & 0x7F;
1433         bool ringstatus = data[285] & 0x80;
1434         bool prox = buttons || ringstatus;
1435
1436         /* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1437         ring = 71 - ring;
1438         ring += 3*72/16;
1439         if (ring > 71)
1440                 ring -= 72;
1441
1442         wacom_report_numbered_buttons(pad_input, 9, buttons);
1443
1444         input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1445
1446         input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1447         input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1448         input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1449
1450         input_sync(pad_input);
1451 }
1452
1453 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1454 {
1455         unsigned char *data = wacom->data;
1456
1457         bool chg = data[284] & 0x80;
1458         int battery_status = data[284] & 0x7F;
1459
1460         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1461                              battery_status, chg, 1, chg);
1462 }
1463
1464 static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
1465 {
1466         struct input_dev *pad_input = wacom->pad_input;
1467         unsigned char *data = wacom->data;
1468
1469         int buttons = data[44];
1470
1471         wacom_report_numbered_buttons(pad_input, 4, buttons);
1472
1473         input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
1474         input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
1475         input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1476
1477         input_sync(pad_input);
1478 }
1479
1480 static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
1481 {
1482         unsigned char *data = wacom->data;
1483
1484         bool chg = data[45] & 0x80;
1485         int battery_status = data[45] & 0x7F;
1486
1487         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1488                              battery_status, chg, 1, chg);
1489 }
1490
1491 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1492 {
1493         unsigned char *data = wacom->data;
1494
1495         if (data[0] != 0x80 && data[0] != 0x81) {
1496                 dev_dbg(wacom->pen_input->dev.parent,
1497                         "%s: received unknown report #%d\n", __func__, data[0]);
1498                 return 0;
1499         }
1500
1501         wacom_intuos_pro2_bt_pen(wacom);
1502         if (wacom->features.type == INTUOSP2_BT ||
1503             wacom->features.type == INTUOSP2S_BT) {
1504                 wacom_intuos_pro2_bt_touch(wacom);
1505                 wacom_intuos_pro2_bt_pad(wacom);
1506                 wacom_intuos_pro2_bt_battery(wacom);
1507         } else {
1508                 wacom_intuos_gen3_bt_pad(wacom);
1509                 wacom_intuos_gen3_bt_battery(wacom);
1510         }
1511         return 0;
1512 }
1513
1514 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1515 {
1516         struct input_dev *input = wacom->touch_input;
1517         unsigned char *data = wacom->data;
1518         int i;
1519         int current_num_contacts = data[61];
1520         int contacts_to_send = 0;
1521         int num_contacts_left = 4; /* maximum contacts per packet */
1522         int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1523         int y_offset = 2;
1524
1525         if (wacom->shared->has_mute_touch_switch &&
1526             !wacom->shared->is_touch_on) {
1527                 if (!wacom->shared->touch_down)
1528                         return 0;
1529         }
1530
1531         if (wacom->features.type == WACOM_27QHDT) {
1532                 current_num_contacts = data[63];
1533                 num_contacts_left = 10;
1534                 byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1535                 y_offset = 0;
1536         }
1537
1538         /*
1539          * First packet resets the counter since only the first
1540          * packet in series will have non-zero current_num_contacts.
1541          */
1542         if (current_num_contacts)
1543                 wacom->num_contacts_left = current_num_contacts;
1544
1545         contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1546
1547         for (i = 0; i < contacts_to_send; i++) {
1548                 int offset = (byte_per_packet * i) + 1;
1549                 bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1550                 int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1551
1552                 if (slot < 0)
1553                         continue;
1554                 input_mt_slot(input, slot);
1555                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1556
1557                 if (touch) {
1558                         int t_x = get_unaligned_le16(&data[offset + 2]);
1559                         int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1560
1561                         input_report_abs(input, ABS_MT_POSITION_X, t_x);
1562                         input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1563
1564                         if (wacom->features.type != WACOM_27QHDT) {
1565                                 int c_x = get_unaligned_le16(&data[offset + 4]);
1566                                 int c_y = get_unaligned_le16(&data[offset + 8]);
1567                                 int w = get_unaligned_le16(&data[offset + 10]);
1568                                 int h = get_unaligned_le16(&data[offset + 12]);
1569
1570                                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1571                                 input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1572                                                  min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1573                                 input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1574                                 input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1575                         }
1576                 }
1577         }
1578         input_mt_sync_frame(input);
1579
1580         wacom->num_contacts_left -= contacts_to_send;
1581         if (wacom->num_contacts_left <= 0) {
1582                 wacom->num_contacts_left = 0;
1583                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1584         }
1585         return 1;
1586 }
1587
1588 static int wacom_mt_touch(struct wacom_wac *wacom)
1589 {
1590         struct input_dev *input = wacom->touch_input;
1591         unsigned char *data = wacom->data;
1592         int i;
1593         int current_num_contacts = data[2];
1594         int contacts_to_send = 0;
1595         int x_offset = 0;
1596
1597         /* MTTPC does not support Height and Width */
1598         if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1599                 x_offset = -4;
1600
1601         /*
1602          * First packet resets the counter since only the first
1603          * packet in series will have non-zero current_num_contacts.
1604          */
1605         if (current_num_contacts)
1606                 wacom->num_contacts_left = current_num_contacts;
1607
1608         /* There are at most 5 contacts per packet */
1609         contacts_to_send = min(5, wacom->num_contacts_left);
1610
1611         for (i = 0; i < contacts_to_send; i++) {
1612                 int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1613                 bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1614                 int id = get_unaligned_le16(&data[offset + 1]);
1615                 int slot = input_mt_get_slot_by_key(input, id);
1616
1617                 if (slot < 0)
1618                         continue;
1619
1620                 input_mt_slot(input, slot);
1621                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1622                 if (touch) {
1623                         int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1624                         int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1625                         input_report_abs(input, ABS_MT_POSITION_X, x);
1626                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1627                 }
1628         }
1629         input_mt_sync_frame(input);
1630
1631         wacom->num_contacts_left -= contacts_to_send;
1632         if (wacom->num_contacts_left <= 0) {
1633                 wacom->num_contacts_left = 0;
1634                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1635         }
1636         return 1;
1637 }
1638
1639 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1640 {
1641         struct input_dev *input = wacom->touch_input;
1642         unsigned char *data = wacom->data;
1643         int i;
1644
1645         for (i = 0; i < 2; i++) {
1646                 int p = data[1] & (1 << i);
1647                 bool touch = p && report_touch_events(wacom);
1648
1649                 input_mt_slot(input, i);
1650                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1651                 if (touch) {
1652                         int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1653                         int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1654
1655                         input_report_abs(input, ABS_MT_POSITION_X, x);
1656                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1657                 }
1658         }
1659         input_mt_sync_frame(input);
1660
1661         /* keep touch state for pen event */
1662         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1663
1664         return 1;
1665 }
1666
1667 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1668 {
1669         unsigned char *data = wacom->data;
1670         struct input_dev *input = wacom->touch_input;
1671         bool prox = report_touch_events(wacom);
1672         int x = 0, y = 0;
1673
1674         if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1675                 return 0;
1676
1677         if (len == WACOM_PKGLEN_TPC1FG) {
1678                 prox = prox && (data[0] & 0x01);
1679                 x = get_unaligned_le16(&data[1]);
1680                 y = get_unaligned_le16(&data[3]);
1681         } else if (len == WACOM_PKGLEN_TPC1FG_B) {
1682                 prox = prox && (data[2] & 0x01);
1683                 x = get_unaligned_le16(&data[3]);
1684                 y = get_unaligned_le16(&data[5]);
1685         } else {
1686                 prox = prox && (data[1] & 0x01);
1687                 x = le16_to_cpup((__le16 *)&data[2]);
1688                 y = le16_to_cpup((__le16 *)&data[4]);
1689         }
1690
1691         if (prox) {
1692                 input_report_abs(input, ABS_X, x);
1693                 input_report_abs(input, ABS_Y, y);
1694         }
1695         input_report_key(input, BTN_TOUCH, prox);
1696
1697         /* keep touch state for pen events */
1698         wacom->shared->touch_down = prox;
1699
1700         return 1;
1701 }
1702
1703 static int wacom_tpc_pen(struct wacom_wac *wacom)
1704 {
1705         unsigned char *data = wacom->data;
1706         struct input_dev *input = wacom->pen_input;
1707         bool prox = data[1] & 0x20;
1708
1709         if (!wacom->shared->stylus_in_proximity) /* first in prox */
1710                 /* Going into proximity select tool */
1711                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1712
1713         /* keep pen state for touch events */
1714         wacom->shared->stylus_in_proximity = prox;
1715
1716         /* send pen events only when touch is up or forced out
1717          * or touch arbitration is off
1718          */
1719         if (!delay_pen_events(wacom)) {
1720                 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1721                 input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1722                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1723                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1724                 input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1725                 input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1726                 input_report_key(input, wacom->tool[0], prox);
1727                 return 1;
1728         }
1729
1730         return 0;
1731 }
1732
1733 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1734 {
1735         unsigned char *data = wacom->data;
1736
1737         if (wacom->pen_input) {
1738                 dev_dbg(wacom->pen_input->dev.parent,
1739                         "%s: received report #%d\n", __func__, data[0]);
1740
1741                 if (len == WACOM_PKGLEN_PENABLED ||
1742                     data[0] == WACOM_REPORT_PENABLED)
1743                         return wacom_tpc_pen(wacom);
1744         }
1745         else if (wacom->touch_input) {
1746                 dev_dbg(wacom->touch_input->dev.parent,
1747                         "%s: received report #%d\n", __func__, data[0]);
1748
1749                 switch (len) {
1750                 case WACOM_PKGLEN_TPC1FG:
1751                         return wacom_tpc_single_touch(wacom, len);
1752
1753                 case WACOM_PKGLEN_TPC2FG:
1754                         return wacom_tpc_mt_touch(wacom);
1755
1756                 default:
1757                         switch (data[0]) {
1758                         case WACOM_REPORT_TPC1FG:
1759                         case WACOM_REPORT_TPCHID:
1760                         case WACOM_REPORT_TPCST:
1761                         case WACOM_REPORT_TPC1FGE:
1762                                 return wacom_tpc_single_touch(wacom, len);
1763
1764                         case WACOM_REPORT_TPCMT:
1765                         case WACOM_REPORT_TPCMT2:
1766                                 return wacom_mt_touch(wacom);
1767
1768                         }
1769                 }
1770         }
1771
1772         return 0;
1773 }
1774
1775 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1776                                  int value, int num, int denom)
1777 {
1778         struct input_absinfo *abs = &input->absinfo[usage->code];
1779         int range = (abs->maximum - abs->minimum + 1);
1780
1781         value += num*range/denom;
1782         if (value > abs->maximum)
1783                 value -= range;
1784         else if (value < abs->minimum)
1785                 value += range;
1786         return value;
1787 }
1788
1789 int wacom_equivalent_usage(int usage)
1790 {
1791         if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1792                 int subpage = (usage & 0xFF00) << 8;
1793                 int subusage = (usage & 0xFF);
1794
1795                 if (subpage == WACOM_HID_SP_PAD ||
1796                     subpage == WACOM_HID_SP_BUTTON ||
1797                     subpage == WACOM_HID_SP_DIGITIZER ||
1798                     subpage == WACOM_HID_SP_DIGITIZERINFO ||
1799                     usage == WACOM_HID_WD_SENSE ||
1800                     usage == WACOM_HID_WD_SERIALHI ||
1801                     usage == WACOM_HID_WD_TOOLTYPE ||
1802                     usage == WACOM_HID_WD_DISTANCE ||
1803                     usage == WACOM_HID_WD_TOUCHSTRIP ||
1804                     usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1805                     usage == WACOM_HID_WD_TOUCHRING ||
1806                     usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
1807                     usage == WACOM_HID_WD_REPORT_VALID) {
1808                         return usage;
1809                 }
1810
1811                 if (subpage == HID_UP_UNDEFINED)
1812                         subpage = HID_UP_DIGITIZER;
1813
1814                 return subpage | subusage;
1815         }
1816
1817         if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1818                 int subpage = (usage & 0xFF00) << 8;
1819                 int subusage = (usage & 0xFF);
1820
1821                 if (usage == WACOM_HID_WT_REPORT_VALID)
1822                         return usage;
1823
1824                 if (subpage == HID_UP_UNDEFINED)
1825                         subpage = WACOM_HID_SP_DIGITIZER;
1826
1827                 return subpage | subusage;
1828         }
1829
1830         return usage;
1831 }
1832
1833 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1834                 struct hid_field *field, __u8 type, __u16 code, int fuzz)
1835 {
1836         struct wacom *wacom = input_get_drvdata(input);
1837         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1838         struct wacom_features *features = &wacom_wac->features;
1839         int fmin = field->logical_minimum;
1840         int fmax = field->logical_maximum;
1841         unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1842         int resolution_code = code;
1843
1844         if (equivalent_usage == HID_DG_TWIST) {
1845                 resolution_code = ABS_RZ;
1846         }
1847
1848         if (equivalent_usage == HID_GD_X) {
1849                 fmin += features->offset_left;
1850                 fmax -= features->offset_right;
1851         }
1852         if (equivalent_usage == HID_GD_Y) {
1853                 fmin += features->offset_top;
1854                 fmax -= features->offset_bottom;
1855         }
1856
1857         usage->type = type;
1858         usage->code = code;
1859
1860         set_bit(type, input->evbit);
1861
1862         switch (type) {
1863         case EV_ABS:
1864                 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1865                 input_abs_set_res(input, code,
1866                                   hidinput_calc_abs_res(field, resolution_code));
1867                 break;
1868         case EV_KEY:
1869                 input_set_capability(input, EV_KEY, code);
1870                 break;
1871         case EV_MSC:
1872                 input_set_capability(input, EV_MSC, code);
1873                 break;
1874         case EV_SW:
1875                 input_set_capability(input, EV_SW, code);
1876                 break;
1877         }
1878 }
1879
1880 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1881                 struct hid_field *field, struct hid_usage *usage)
1882 {
1883         struct wacom *wacom = hid_get_drvdata(hdev);
1884         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1885         struct wacom_features *features = &wacom_wac->features;
1886         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1887
1888         switch (equivalent_usage) {
1889         case HID_DG_BATTERYSTRENGTH:
1890         case WACOM_HID_WD_BATTERY_LEVEL:
1891         case WACOM_HID_WD_BATTERY_CHARGING:
1892                 features->quirks |= WACOM_QUIRK_BATTERY;
1893                 break;
1894         }
1895 }
1896
1897 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1898                 struct hid_usage *usage, __s32 value)
1899 {
1900         struct wacom *wacom = hid_get_drvdata(hdev);
1901         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1902         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1903
1904         switch (equivalent_usage) {
1905         case HID_DG_BATTERYSTRENGTH:
1906                 if (value == 0) {
1907                         wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1908                 }
1909                 else {
1910                         value = value * 100 / (field->logical_maximum - field->logical_minimum);
1911                         wacom_wac->hid_data.battery_capacity = value;
1912                         wacom_wac->hid_data.bat_connected = 1;
1913                         wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1914                 }
1915                 break;
1916         case WACOM_HID_WD_BATTERY_LEVEL:
1917                 value = value * 100 / (field->logical_maximum - field->logical_minimum);
1918                 wacom_wac->hid_data.battery_capacity = value;
1919                 wacom_wac->hid_data.bat_connected = 1;
1920                 wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1921                 break;
1922         case WACOM_HID_WD_BATTERY_CHARGING:
1923                 wacom_wac->hid_data.bat_charging = value;
1924                 wacom_wac->hid_data.ps_connected = value;
1925                 wacom_wac->hid_data.bat_connected = 1;
1926                 wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1927                 break;
1928         }
1929 }
1930
1931 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
1932                 struct hid_report *report)
1933 {
1934         return;
1935 }
1936
1937 static void wacom_wac_battery_report(struct hid_device *hdev,
1938                 struct hid_report *report)
1939 {
1940         struct wacom *wacom = hid_get_drvdata(hdev);
1941         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1942         struct wacom_features *features = &wacom_wac->features;
1943
1944         if (features->quirks & WACOM_QUIRK_BATTERY) {
1945                 int status = wacom_wac->hid_data.bat_status;
1946                 int capacity = wacom_wac->hid_data.battery_capacity;
1947                 bool charging = wacom_wac->hid_data.bat_charging;
1948                 bool connected = wacom_wac->hid_data.bat_connected;
1949                 bool powered = wacom_wac->hid_data.ps_connected;
1950
1951                 wacom_notify_battery(wacom_wac, status, capacity, charging,
1952                                      connected, powered);
1953         }
1954 }
1955
1956 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1957                 struct hid_field *field, struct hid_usage *usage)
1958 {
1959         struct wacom *wacom = hid_get_drvdata(hdev);
1960         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1961         struct wacom_features *features = &wacom_wac->features;
1962         struct input_dev *input = wacom_wac->pad_input;
1963         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1964
1965         switch (equivalent_usage) {
1966         case WACOM_HID_WD_ACCELEROMETER_X:
1967                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1968                 wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1969                 features->device_type |= WACOM_DEVICETYPE_PAD;
1970                 break;
1971         case WACOM_HID_WD_ACCELEROMETER_Y:
1972                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1973                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1974                 features->device_type |= WACOM_DEVICETYPE_PAD;
1975                 break;
1976         case WACOM_HID_WD_ACCELEROMETER_Z:
1977                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1978                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1979                 features->device_type |= WACOM_DEVICETYPE_PAD;
1980                 break;
1981         case WACOM_HID_WD_BUTTONCENTER:
1982         case WACOM_HID_WD_BUTTONHOME:
1983         case WACOM_HID_WD_BUTTONUP:
1984         case WACOM_HID_WD_BUTTONDOWN:
1985         case WACOM_HID_WD_BUTTONLEFT:
1986         case WACOM_HID_WD_BUTTONRIGHT:
1987                 wacom_map_usage(input, usage, field, EV_KEY,
1988                                 wacom_numbered_button_to_key(features->numbered_buttons),
1989                                 0);
1990                 features->numbered_buttons++;
1991                 features->device_type |= WACOM_DEVICETYPE_PAD;
1992                 break;
1993         case WACOM_HID_WD_TOUCHONOFF:
1994         case WACOM_HID_WD_MUTE_DEVICE:
1995                 /*
1996                  * This usage, which is used to mute touch events, comes
1997                  * from the pad packet, but is reported on the touch
1998                  * interface. Because the touch interface may not have
1999                  * been created yet, we cannot call wacom_map_usage(). In
2000                  * order to process this usage when we receive it, we set
2001                  * the usage type and code directly.
2002                  */
2003                 wacom_wac->has_mute_touch_switch = true;
2004                 usage->type = EV_SW;
2005                 usage->code = SW_MUTE_DEVICE;
2006                 features->device_type |= WACOM_DEVICETYPE_PAD;
2007                 break;
2008         case WACOM_HID_WD_TOUCHSTRIP:
2009                 wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
2010                 features->device_type |= WACOM_DEVICETYPE_PAD;
2011                 break;
2012         case WACOM_HID_WD_TOUCHSTRIP2:
2013                 wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
2014                 features->device_type |= WACOM_DEVICETYPE_PAD;
2015                 break;
2016         case WACOM_HID_WD_TOUCHRING:
2017                 wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2018                 features->device_type |= WACOM_DEVICETYPE_PAD;
2019                 break;
2020         case WACOM_HID_WD_TOUCHRINGSTATUS:
2021                 /*
2022                  * Only set up type/code association. Completely mapping
2023                  * this usage may overwrite the axis resolution and range.
2024                  */
2025                 usage->type = EV_ABS;
2026                 usage->code = ABS_WHEEL;
2027                 set_bit(EV_ABS, input->evbit);
2028                 features->device_type |= WACOM_DEVICETYPE_PAD;
2029                 break;
2030         case WACOM_HID_WD_BUTTONCONFIG:
2031                 wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
2032                 features->device_type |= WACOM_DEVICETYPE_PAD;
2033                 break;
2034         case WACOM_HID_WD_ONSCREEN_KEYBOARD:
2035                 wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
2036                 features->device_type |= WACOM_DEVICETYPE_PAD;
2037                 break;
2038         case WACOM_HID_WD_CONTROLPANEL:
2039                 wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
2040                 features->device_type |= WACOM_DEVICETYPE_PAD;
2041                 break;
2042         case WACOM_HID_WD_MODE_CHANGE:
2043                 /* do not overwrite previous data */
2044                 if (!wacom_wac->has_mode_change) {
2045                         wacom_wac->has_mode_change = true;
2046                         wacom_wac->is_direct_mode = true;
2047                 }
2048                 features->device_type |= WACOM_DEVICETYPE_PAD;
2049                 break;
2050         }
2051
2052         switch (equivalent_usage & 0xfffffff0) {
2053         case WACOM_HID_WD_EXPRESSKEY00:
2054                 wacom_map_usage(input, usage, field, EV_KEY,
2055                                 wacom_numbered_button_to_key(features->numbered_buttons),
2056                                 0);
2057                 features->numbered_buttons++;
2058                 features->device_type |= WACOM_DEVICETYPE_PAD;
2059                 break;
2060         }
2061 }
2062
2063 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
2064                 struct hid_usage *usage, __s32 value)
2065 {
2066         struct wacom *wacom = hid_get_drvdata(hdev);
2067         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2068         struct input_dev *input = wacom_wac->pad_input;
2069         struct wacom_features *features = &wacom_wac->features;
2070         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2071         int i;
2072         bool do_report = false;
2073
2074         /*
2075          * Avoid reporting this event and setting inrange_state if this usage
2076          * hasn't been mapped.
2077          */
2078         if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2079                 return;
2080
2081         if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2082                 if (usage->hid != WACOM_HID_WD_TOUCHRING)
2083                         wacom_wac->hid_data.inrange_state |= value;
2084         }
2085
2086         switch (equivalent_usage) {
2087         case WACOM_HID_WD_TOUCHRING:
2088                 /*
2089                  * Userspace expects touchrings to increase in value with
2090                  * clockwise gestures and have their zero point at the
2091                  * tablet's left. HID events "should" be clockwise-
2092                  * increasing and zero at top, though the MobileStudio
2093                  * Pro and 2nd-gen Intuos Pro don't do this...
2094                  */
2095                 if (hdev->vendor == 0x56a &&
2096                     (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2097                      hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
2098                      hdev->product == 0x392 ||                            /* Intuos Pro 2 */
2099                      hdev->product == 0x398 || hdev->product == 0x399 ||  /* MobileStudio Pro */
2100                      hdev->product == 0x3AA)) {                           /* MobileStudio Pro */
2101                         value = (field->logical_maximum - value);
2102
2103                         if (hdev->product == 0x357 || hdev->product == 0x358 ||
2104                             hdev->product == 0x392)
2105                                 value = wacom_offset_rotation(input, usage, value, 3, 16);
2106                         else if (hdev->product == 0x34d || hdev->product == 0x34e ||
2107                                  hdev->product == 0x398 || hdev->product == 0x399 ||
2108                                  hdev->product == 0x3AA)
2109                                 value = wacom_offset_rotation(input, usage, value, 1, 2);
2110                 }
2111                 else {
2112                         value = wacom_offset_rotation(input, usage, value, 1, 4);
2113                 }
2114                 do_report = true;
2115                 break;
2116         case WACOM_HID_WD_TOUCHRINGSTATUS:
2117                 if (!value)
2118                         input_event(input, usage->type, usage->code, 0);
2119                 break;
2120
2121         case WACOM_HID_WD_MUTE_DEVICE:
2122         case WACOM_HID_WD_TOUCHONOFF:
2123                 if (wacom_wac->shared->touch_input) {
2124                         bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2125
2126                         if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2127                                 *is_touch_on = !(*is_touch_on);
2128                         else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2129                                 *is_touch_on = value;
2130
2131                         input_report_switch(wacom_wac->shared->touch_input,
2132                                             SW_MUTE_DEVICE, !(*is_touch_on));
2133                         input_sync(wacom_wac->shared->touch_input);
2134                 }
2135                 break;
2136
2137         case WACOM_HID_WD_MODE_CHANGE:
2138                 if (wacom_wac->is_direct_mode != value) {
2139                         wacom_wac->is_direct_mode = value;
2140                         wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2141                 }
2142                 break;
2143
2144         case WACOM_HID_WD_BUTTONCENTER:
2145                 for (i = 0; i < wacom->led.count; i++)
2146                         wacom_update_led(wacom, features->numbered_buttons,
2147                                          value, i);
2148                  /* fall through*/
2149         default:
2150                 do_report = true;
2151                 break;
2152         }
2153
2154         if (do_report) {
2155                 input_event(input, usage->type, usage->code, value);
2156                 if (value)
2157                         wacom_wac->hid_data.pad_input_event_flag = true;
2158         }
2159 }
2160
2161 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2162                 struct hid_report *report)
2163 {
2164         struct wacom *wacom = hid_get_drvdata(hdev);
2165         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2166
2167         wacom_wac->hid_data.inrange_state = 0;
2168 }
2169
2170 static void wacom_wac_pad_report(struct hid_device *hdev,
2171                 struct hid_report *report, struct hid_field *field)
2172 {
2173         struct wacom *wacom = hid_get_drvdata(hdev);
2174         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2175         struct input_dev *input = wacom_wac->pad_input;
2176         bool active = wacom_wac->hid_data.inrange_state != 0;
2177
2178         /* report prox for expresskey events */
2179         if (wacom_wac->hid_data.pad_input_event_flag) {
2180                 input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2181                 input_sync(input);
2182                 if (!active)
2183                         wacom_wac->hid_data.pad_input_event_flag = false;
2184         }
2185 }
2186
2187 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2188                 struct hid_field *field, struct hid_usage *usage)
2189 {
2190         struct wacom *wacom = hid_get_drvdata(hdev);
2191         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2192         struct wacom_features *features = &wacom_wac->features;
2193         struct input_dev *input = wacom_wac->pen_input;
2194         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2195
2196         switch (equivalent_usage) {
2197         case HID_GD_X:
2198                 wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2199                 break;
2200         case HID_GD_Y:
2201                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2202                 break;
2203         case WACOM_HID_WD_DISTANCE:
2204         case HID_GD_Z:
2205                 wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2206                 break;
2207         case HID_DG_TIPPRESSURE:
2208                 wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2209                 break;
2210         case HID_DG_INRANGE:
2211                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2212                 break;
2213         case HID_DG_INVERT:
2214                 wacom_map_usage(input, usage, field, EV_KEY,
2215                                 BTN_TOOL_RUBBER, 0);
2216                 break;
2217         case HID_DG_TILT_X:
2218                 wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2219                 break;
2220         case HID_DG_TILT_Y:
2221                 wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2222                 break;
2223         case HID_DG_TWIST:
2224                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2225                 break;
2226         case HID_DG_ERASER:
2227         case HID_DG_TIPSWITCH:
2228                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2229                 break;
2230         case HID_DG_BARRELSWITCH:
2231                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2232                 break;
2233         case HID_DG_BARRELSWITCH2:
2234                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2235                 break;
2236         case HID_DG_TOOLSERIALNUMBER:
2237                 features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2238                 wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2239                 break;
2240         case WACOM_HID_WD_SENSE:
2241                 features->quirks |= WACOM_QUIRK_SENSE;
2242                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2243                 break;
2244         case WACOM_HID_WD_SERIALHI:
2245                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2246
2247                 if (!(features->quirks & WACOM_QUIRK_AESPEN)) {
2248                         set_bit(EV_KEY, input->evbit);
2249                         input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2250                         input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2251                         input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
2252                         input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
2253                         input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2254                         if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) {
2255                                 input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
2256                                 input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
2257                         }
2258                 }
2259                 break;
2260         case WACOM_HID_WD_FINGERWHEEL:
2261                 wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2262                 break;
2263         }
2264 }
2265
2266 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2267                 struct hid_usage *usage, __s32 value)
2268 {
2269         struct wacom *wacom = hid_get_drvdata(hdev);
2270         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2271         struct wacom_features *features = &wacom_wac->features;
2272         struct input_dev *input = wacom_wac->pen_input;
2273         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2274
2275         if (wacom_wac->is_invalid_bt_frame)
2276                 return;
2277
2278         switch (equivalent_usage) {
2279         case HID_GD_Z:
2280                 /*
2281                  * HID_GD_Z "should increase as the control's position is
2282                  * moved from high to low", while ABS_DISTANCE instead
2283                  * increases in value as the tool moves from low to high.
2284                  */
2285                 value = field->logical_maximum - value;
2286                 break;
2287         case HID_DG_INRANGE:
2288                 wacom_wac->hid_data.inrange_state = value;
2289                 if (!(features->quirks & WACOM_QUIRK_SENSE))
2290                         wacom_wac->hid_data.sense_state = value;
2291                 return;
2292         case HID_DG_INVERT:
2293                 wacom_wac->hid_data.invert_state = value;
2294                 return;
2295         case HID_DG_ERASER:
2296         case HID_DG_TIPSWITCH:
2297                 wacom_wac->hid_data.tipswitch |= value;
2298                 return;
2299         case HID_DG_BARRELSWITCH:
2300                 wacom_wac->hid_data.barrelswitch = value;
2301                 return;
2302         case HID_DG_BARRELSWITCH2:
2303                 wacom_wac->hid_data.barrelswitch2 = value;
2304                 return;
2305         case HID_DG_TOOLSERIALNUMBER:
2306                 if (value) {
2307                         wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2308                         wacom_wac->serial[0] |= wacom_s32tou(value, field->report_size);
2309                 }
2310                 return;
2311         case HID_DG_TWIST:
2312                 /*
2313                  * Userspace expects pen twist to have its zero point when
2314                  * the buttons/finger is on the tablet's left. HID values
2315                  * are zero when buttons are toward the top.
2316                  */
2317                 value = wacom_offset_rotation(input, usage, value, 1, 4);
2318                 break;
2319         case WACOM_HID_WD_SENSE:
2320                 wacom_wac->hid_data.sense_state = value;
2321                 return;
2322         case WACOM_HID_WD_SERIALHI:
2323                 if (value) {
2324                         __u32 raw_value = wacom_s32tou(value, field->report_size);
2325
2326                         wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2327                         wacom_wac->serial[0] |= ((__u64)raw_value) << 32;
2328                         /*
2329                          * Non-USI EMR devices may contain additional tool type
2330                          * information here. See WACOM_HID_WD_TOOLTYPE case for
2331                          * more details.
2332                          */
2333                         if (value >> 20 == 1) {
2334                                 wacom_wac->id[0] |= raw_value & 0xFFFFF;
2335                         }
2336                 }
2337                 return;
2338         case WACOM_HID_WD_TOOLTYPE:
2339                 /*
2340                  * Some devices (MobileStudio Pro, and possibly later
2341                  * devices as well) do not return the complete tool
2342                  * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2343                  * bitwise OR so the complete value can be built
2344                  * up over time :(
2345                  */
2346                 wacom_wac->id[0] |= wacom_s32tou(value, field->report_size);
2347                 return;
2348         case WACOM_HID_WD_OFFSETLEFT:
2349                 if (features->offset_left && value != features->offset_left)
2350                         hid_warn(hdev, "%s: overriding existing left offset "
2351                                  "%d -> %d\n", __func__, value,
2352                                  features->offset_left);
2353                 features->offset_left = value;
2354                 return;
2355         case WACOM_HID_WD_OFFSETRIGHT:
2356                 if (features->offset_right && value != features->offset_right)
2357                         hid_warn(hdev, "%s: overriding existing right offset "
2358                                  "%d -> %d\n", __func__, value,
2359                                  features->offset_right);
2360                 features->offset_right = value;
2361                 return;
2362         case WACOM_HID_WD_OFFSETTOP:
2363                 if (features->offset_top && value != features->offset_top)
2364                         hid_warn(hdev, "%s: overriding existing top offset "
2365                                  "%d -> %d\n", __func__, value,
2366                                  features->offset_top);
2367                 features->offset_top = value;
2368                 return;
2369         case WACOM_HID_WD_OFFSETBOTTOM:
2370                 if (features->offset_bottom && value != features->offset_bottom)
2371                         hid_warn(hdev, "%s: overriding existing bottom offset "
2372                                  "%d -> %d\n", __func__, value,
2373                                  features->offset_bottom);
2374                 features->offset_bottom = value;
2375                 return;
2376         case WACOM_HID_WD_REPORT_VALID:
2377                 wacom_wac->is_invalid_bt_frame = !value;
2378                 return;
2379         }
2380
2381         /* send pen events only when touch is up or forced out
2382          * or touch arbitration is off
2383          */
2384         if (!usage->type || delay_pen_events(wacom_wac))
2385                 return;
2386
2387         /* send pen events only when the pen is in range */
2388         if (wacom_wac->hid_data.inrange_state)
2389                 input_event(input, usage->type, usage->code, value);
2390         else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2391                 input_event(input, usage->type, usage->code, 0);
2392 }
2393
2394 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2395                 struct hid_report *report)
2396 {
2397         struct wacom *wacom = hid_get_drvdata(hdev);
2398         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2399
2400         wacom_wac->is_invalid_bt_frame = false;
2401         return;
2402 }
2403
2404 static void wacom_wac_pen_report(struct hid_device *hdev,
2405                 struct hid_report *report)
2406 {
2407         struct wacom *wacom = hid_get_drvdata(hdev);
2408         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2409         struct input_dev *input = wacom_wac->pen_input;
2410         bool range = wacom_wac->hid_data.inrange_state;
2411         bool sense = wacom_wac->hid_data.sense_state;
2412
2413         if (wacom_wac->is_invalid_bt_frame)
2414                 return;
2415
2416         if (!wacom_wac->tool[0] && range) { /* first in range */
2417                 /* Going into range select tool */
2418                 if (wacom_wac->hid_data.invert_state)
2419                         wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2420                 else if (wacom_wac->id[0])
2421                         wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2422                 else
2423                         wacom_wac->tool[0] = BTN_TOOL_PEN;
2424         }
2425
2426         /* keep pen state for touch events */
2427         wacom_wac->shared->stylus_in_proximity = sense;
2428
2429         if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2430                 int id = wacom_wac->id[0];
2431                 int sw_state = wacom_wac->hid_data.barrelswitch |
2432                                (wacom_wac->hid_data.barrelswitch2 << 1);
2433
2434                 input_report_key(input, BTN_STYLUS, sw_state == 1);
2435                 input_report_key(input, BTN_STYLUS2, sw_state == 2);
2436                 input_report_key(input, BTN_STYLUS3, sw_state == 3);
2437
2438                 /*
2439                  * Non-USI EMR tools should have their IDs mangled to
2440                  * match the legacy behavior of wacom_intuos_general
2441                  */
2442                 if (wacom_wac->serial[0] >> 52 == 1)
2443                         id = wacom_intuos_id_mangle(id);
2444
2445                 /*
2446                  * To ensure compatibility with xf86-input-wacom, we should
2447                  * report the BTN_TOOL_* event prior to the ABS_MISC or
2448                  * MSC_SERIAL events.
2449                  */
2450                 input_report_key(input, BTN_TOUCH,
2451                                 wacom_wac->hid_data.tipswitch);
2452                 input_report_key(input, wacom_wac->tool[0], sense);
2453                 if (wacom_wac->serial[0]) {
2454                         input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2455                         input_report_abs(input, ABS_MISC, sense ? id : 0);
2456                 }
2457
2458                 wacom_wac->hid_data.tipswitch = false;
2459
2460                 input_sync(input);
2461         }
2462
2463         if (!sense) {
2464                 wacom_wac->tool[0] = 0;
2465                 wacom_wac->id[0] = 0;
2466                 wacom_wac->serial[0] = 0;
2467         }
2468 }
2469
2470 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2471                 struct hid_field *field, struct hid_usage *usage)
2472 {
2473         struct wacom *wacom = hid_get_drvdata(hdev);
2474         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2475         struct input_dev *input = wacom_wac->touch_input;
2476         unsigned touch_max = wacom_wac->features.touch_max;
2477         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2478
2479         switch (equivalent_usage) {
2480         case HID_GD_X:
2481                 if (touch_max == 1)
2482                         wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2483                 else
2484                         wacom_map_usage(input, usage, field, EV_ABS,
2485                                         ABS_MT_POSITION_X, 4);
2486                 break;
2487         case HID_GD_Y:
2488                 if (touch_max == 1)
2489                         wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2490                 else
2491                         wacom_map_usage(input, usage, field, EV_ABS,
2492                                         ABS_MT_POSITION_Y, 4);
2493                 break;
2494         case HID_DG_WIDTH:
2495         case HID_DG_HEIGHT:
2496                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2497                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2498                 input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2499                 break;
2500         case HID_DG_TIPSWITCH:
2501                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2502                 break;
2503         case HID_DG_CONTACTCOUNT:
2504                 wacom_wac->hid_data.cc_report = field->report->id;
2505                 wacom_wac->hid_data.cc_index = field->index;
2506                 wacom_wac->hid_data.cc_value_index = usage->usage_index;
2507                 break;
2508         case HID_DG_CONTACTID:
2509                 if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2510                         /*
2511                          * The HID descriptor for G11 sensors leaves logical
2512                          * maximum set to '1' despite it being a multitouch
2513                          * device. Override to a sensible number.
2514                          */
2515                         field->logical_maximum = 255;
2516                 }
2517                 break;
2518         }
2519 }
2520
2521 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2522                 struct input_dev *input)
2523 {
2524         struct hid_data *hid_data = &wacom_wac->hid_data;
2525         bool mt = wacom_wac->features.touch_max > 1;
2526         bool prox = hid_data->tipswitch &&
2527                     report_touch_events(wacom_wac);
2528
2529         if (wacom_wac->shared->has_mute_touch_switch &&
2530             !wacom_wac->shared->is_touch_on) {
2531                 if (!wacom_wac->shared->touch_down)
2532                         return;
2533                 prox = 0;
2534         }
2535
2536         wacom_wac->hid_data.num_received++;
2537         if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2538                 return;
2539
2540         if (mt) {
2541                 int slot;
2542
2543                 slot = input_mt_get_slot_by_key(input, hid_data->id);
2544                 input_mt_slot(input, slot);
2545                 input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2546         }
2547         else {
2548                 input_report_key(input, BTN_TOUCH, prox);
2549         }
2550
2551         if (prox) {
2552                 input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2553                                  hid_data->x);
2554                 input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2555                                  hid_data->y);
2556
2557                 if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2558                         input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2559                         input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2560                         if (hid_data->width != hid_data->height)
2561                                 input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2562                 }
2563         }
2564 }
2565
2566 static void wacom_wac_finger_event(struct hid_device *hdev,
2567                 struct hid_field *field, struct hid_usage *usage, __s32 value)
2568 {
2569         struct wacom *wacom = hid_get_drvdata(hdev);
2570         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2571         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2572         struct wacom_features *features = &wacom->wacom_wac.features;
2573
2574         if (wacom_wac->is_invalid_bt_frame)
2575                 return;
2576
2577         switch (equivalent_usage) {
2578         case HID_GD_X:
2579                 wacom_wac->hid_data.x = value;
2580                 break;
2581         case HID_GD_Y:
2582                 wacom_wac->hid_data.y = value;
2583                 break;
2584         case HID_DG_WIDTH:
2585                 wacom_wac->hid_data.width = value;
2586                 break;
2587         case HID_DG_HEIGHT:
2588                 wacom_wac->hid_data.height = value;
2589                 break;
2590         case HID_DG_CONTACTID:
2591                 wacom_wac->hid_data.id = value;
2592                 break;
2593         case HID_DG_TIPSWITCH:
2594                 wacom_wac->hid_data.tipswitch = value;
2595                 break;
2596         case WACOM_HID_WT_REPORT_VALID:
2597                 wacom_wac->is_invalid_bt_frame = !value;
2598                 return;
2599         case HID_DG_CONTACTMAX:
2600                 features->touch_max = value;
2601                 return;
2602         }
2603
2604         if (usage->usage_index + 1 == field->report_count) {
2605                 if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2606                         wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2607         }
2608 }
2609
2610 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2611                 struct hid_report *report)
2612 {
2613         struct wacom *wacom = hid_get_drvdata(hdev);
2614         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2615         struct hid_data* hid_data = &wacom_wac->hid_data;
2616         int i;
2617
2618         wacom_wac->is_invalid_bt_frame = false;
2619
2620         for (i = 0; i < report->maxfield; i++) {
2621                 struct hid_field *field = report->field[i];
2622                 int j;
2623
2624                 for (j = 0; j < field->maxusage; j++) {
2625                         struct hid_usage *usage = &field->usage[j];
2626                         unsigned int equivalent_usage =
2627                                 wacom_equivalent_usage(usage->hid);
2628
2629                         switch (equivalent_usage) {
2630                         case HID_GD_X:
2631                         case HID_GD_Y:
2632                         case HID_DG_WIDTH:
2633                         case HID_DG_HEIGHT:
2634                         case HID_DG_CONTACTID:
2635                         case HID_DG_INRANGE:
2636                         case HID_DG_INVERT:
2637                         case HID_DG_TIPSWITCH:
2638                                 hid_data->last_slot_field = equivalent_usage;
2639                                 break;
2640                         }
2641                 }
2642         }
2643 }
2644
2645 static void wacom_wac_finger_report(struct hid_device *hdev,
2646                 struct hid_report *report)
2647 {
2648         struct wacom *wacom = hid_get_drvdata(hdev);
2649         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2650         struct input_dev *input = wacom_wac->touch_input;
2651         unsigned touch_max = wacom_wac->features.touch_max;
2652         struct hid_data *hid_data = &wacom_wac->hid_data;
2653
2654         /* If more packets of data are expected, give us a chance to
2655          * process them rather than immediately syncing a partial
2656          * update.
2657          */
2658         if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2659                 return;
2660
2661         if (touch_max > 1)
2662                 input_mt_sync_frame(input);
2663
2664         input_sync(input);
2665         wacom_wac->hid_data.num_received = 0;
2666         hid_data->num_expected = 0;
2667
2668         /* keep touch state for pen event */
2669         wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2670 }
2671
2672 void wacom_wac_usage_mapping(struct hid_device *hdev,
2673                 struct hid_field *field, struct hid_usage *usage)
2674 {
2675         struct wacom *wacom = hid_get_drvdata(hdev);
2676         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2677         struct wacom_features *features = &wacom_wac->features;
2678
2679         if (WACOM_DIRECT_DEVICE(field))
2680                 features->device_type |= WACOM_DEVICETYPE_DIRECT;
2681
2682         /* usage tests must precede field tests */
2683         if (WACOM_BATTERY_USAGE(usage))
2684                 wacom_wac_battery_usage_mapping(hdev, field, usage);
2685         else if (WACOM_PAD_FIELD(field))
2686                 wacom_wac_pad_usage_mapping(hdev, field, usage);
2687         else if (WACOM_PEN_FIELD(field))
2688                 wacom_wac_pen_usage_mapping(hdev, field, usage);
2689         else if (WACOM_FINGER_FIELD(field))
2690                 wacom_wac_finger_usage_mapping(hdev, field, usage);
2691 }
2692
2693 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2694                 struct hid_usage *usage, __s32 value)
2695 {
2696         struct wacom *wacom = hid_get_drvdata(hdev);
2697
2698         if (wacom->wacom_wac.features.type != HID_GENERIC)
2699                 return;
2700
2701         if (value > field->logical_maximum || value < field->logical_minimum)
2702                 return;
2703
2704         /* usage tests must precede field tests */
2705         if (WACOM_BATTERY_USAGE(usage))
2706                 wacom_wac_battery_event(hdev, field, usage, value);
2707         else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2708                 wacom_wac_pad_event(hdev, field, usage, value);
2709         else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2710                 wacom_wac_pen_event(hdev, field, usage, value);
2711         else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2712                 wacom_wac_finger_event(hdev, field, usage, value);
2713 }
2714
2715 static void wacom_report_events(struct hid_device *hdev,
2716                                 struct hid_report *report, int collection_index,
2717                                 int field_index)
2718 {
2719         int r;
2720
2721         for (r = field_index; r < report->maxfield; r++) {
2722                 struct hid_field *field;
2723                 unsigned count, n;
2724
2725                 field = report->field[r];
2726                 count = field->report_count;
2727
2728                 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2729                         continue;
2730
2731                 for (n = 0 ; n < count; n++) {
2732                         if (field->usage[n].collection_index == collection_index)
2733                                 wacom_wac_event(hdev, field, &field->usage[n],
2734                                                 field->value[n]);
2735                         else
2736                                 return;
2737                 }
2738         }
2739 }
2740
2741 static void wacom_set_num_expected(struct hid_device *hdev,
2742                                    struct hid_report *report,
2743                                    int collection_index,
2744                                    struct hid_field *field,
2745                                    int field_index)
2746 {
2747         struct wacom *wacom = hid_get_drvdata(hdev);
2748         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2749         struct hid_data *hid_data = &wacom_wac->hid_data;
2750         unsigned int original_collection_level =
2751                 hdev->collection[collection_index].level;
2752         bool end_collection = false;
2753         int i;
2754
2755         if (hid_data->num_expected)
2756                 return;
2757
2758         // find the contact count value for this segment
2759         for (i = field_index; i < report->maxfield && !end_collection; i++) {
2760                 struct hid_field *field = report->field[i];
2761                 unsigned int field_level =
2762                         hdev->collection[field->usage[0].collection_index].level;
2763                 unsigned int j;
2764
2765                 if (field_level != original_collection_level)
2766                         continue;
2767
2768                 for (j = 0; j < field->maxusage; j++) {
2769                         struct hid_usage *usage = &field->usage[j];
2770
2771                         if (usage->collection_index != collection_index) {
2772                                 end_collection = true;
2773                                 break;
2774                         }
2775                         if (wacom_equivalent_usage(usage->hid) == HID_DG_CONTACTCOUNT) {
2776                                 hid_data->cc_report = report->id;
2777                                 hid_data->cc_index = i;
2778                                 hid_data->cc_value_index = j;
2779
2780                                 if (hid_data->cc_report != 0 &&
2781                                     hid_data->cc_index >= 0) {
2782
2783                                         struct hid_field *field =
2784                                                 report->field[hid_data->cc_index];
2785                                         int value =
2786                                                 field->value[hid_data->cc_value_index];
2787
2788                                         if (value)
2789                                                 hid_data->num_expected = value;
2790                                 }
2791                         }
2792                 }
2793         }
2794
2795         if (hid_data->cc_report == 0 || hid_data->cc_index < 0)
2796                 hid_data->num_expected = wacom_wac->features.touch_max;
2797 }
2798
2799 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2800                          int collection_index, struct hid_field *field,
2801                          int field_index)
2802 {
2803         struct wacom *wacom = hid_get_drvdata(hdev);
2804
2805         if (WACOM_FINGER_FIELD(field))
2806                 wacom_set_num_expected(hdev, report, collection_index, field,
2807                                        field_index);
2808         wacom_report_events(hdev, report, collection_index, field_index);
2809
2810         /*
2811          * Non-input reports may be sent prior to the device being
2812          * completely initialized. Since only their events need
2813          * to be processed, exit after 'wacom_report_events' has
2814          * been called to prevent potential crashes in the report-
2815          * processing functions.
2816          */
2817         if (report->type != HID_INPUT_REPORT)
2818                 return -1;
2819
2820         if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2821                 wacom_wac_pen_report(hdev, report);
2822         else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2823                 wacom_wac_finger_report(hdev, report);
2824
2825         return 0;
2826 }
2827
2828 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2829 {
2830         struct wacom *wacom = hid_get_drvdata(hdev);
2831         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2832         struct hid_field *field;
2833         bool pad_in_hid_field = false, pen_in_hid_field = false,
2834                 finger_in_hid_field = false, true_pad = false;
2835         int r;
2836         int prev_collection = -1;
2837
2838         if (wacom_wac->features.type != HID_GENERIC)
2839                 return;
2840
2841         for (r = 0; r < report->maxfield; r++) {
2842                 field = report->field[r];
2843
2844                 if (WACOM_PAD_FIELD(field))
2845                         pad_in_hid_field = true;
2846                 if (WACOM_PEN_FIELD(field))
2847                         pen_in_hid_field = true;
2848                 if (WACOM_FINGER_FIELD(field))
2849                         finger_in_hid_field = true;
2850                 if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
2851                         true_pad = true;
2852         }
2853
2854         wacom_wac_battery_pre_report(hdev, report);
2855
2856         if (pad_in_hid_field && wacom->wacom_wac.pad_input)
2857                 wacom_wac_pad_pre_report(hdev, report);
2858         if (pen_in_hid_field && wacom->wacom_wac.pen_input)
2859                 wacom_wac_pen_pre_report(hdev, report);
2860         if (finger_in_hid_field && wacom->wacom_wac.touch_input)
2861                 wacom_wac_finger_pre_report(hdev, report);
2862
2863         for (r = 0; r < report->maxfield; r++) {
2864                 field = report->field[r];
2865
2866                 if (field->usage[0].collection_index != prev_collection) {
2867                         if (wacom_wac_collection(hdev, report,
2868                                 field->usage[0].collection_index, field, r) < 0)
2869                                 return;
2870                         prev_collection = field->usage[0].collection_index;
2871                 }
2872         }
2873
2874         wacom_wac_battery_report(hdev, report);
2875
2876         if (true_pad && wacom->wacom_wac.pad_input)
2877                 wacom_wac_pad_report(hdev, report, field);
2878 }
2879
2880 static int wacom_bpt_touch(struct wacom_wac *wacom)
2881 {
2882         struct wacom_features *features = &wacom->features;
2883         struct input_dev *input = wacom->touch_input;
2884         struct input_dev *pad_input = wacom->pad_input;
2885         unsigned char *data = wacom->data;
2886         int i;
2887
2888         if (data[0] != 0x02)
2889             return 0;
2890
2891         for (i = 0; i < 2; i++) {
2892                 int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2893                 bool touch = report_touch_events(wacom)
2894                            && (data[offset + 3] & 0x80);
2895
2896                 input_mt_slot(input, i);
2897                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2898                 if (touch) {
2899                         int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2900                         int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2901                         if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2902                                 x <<= 5;
2903                                 y <<= 5;
2904                         }
2905                         input_report_abs(input, ABS_MT_POSITION_X, x);
2906                         input_report_abs(input, ABS_MT_POSITION_Y, y);
2907                 }
2908         }
2909
2910         input_mt_sync_frame(input);
2911
2912         input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2913         input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2914         input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2915         input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2916         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2917
2918         return 1;
2919 }
2920
2921 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2922 {
2923         struct wacom_features *features = &wacom->features;
2924         struct input_dev *input = wacom->touch_input;
2925         bool touch = data[1] & 0x80;
2926         int slot = input_mt_get_slot_by_key(input, data[0]);
2927
2928         if (slot < 0)
2929                 return;
2930
2931         touch = touch && report_touch_events(wacom);
2932
2933         input_mt_slot(input, slot);
2934         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2935
2936         if (touch) {
2937                 int x = (data[2] << 4) | (data[4] >> 4);
2938                 int y = (data[3] << 4) | (data[4] & 0x0f);
2939                 int width, height;
2940
2941                 if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2942                         width  = data[5] * 100;
2943                         height = data[6] * 100;
2944                 } else {
2945                         /*
2946                          * "a" is a scaled-down area which we assume is
2947                          * roughly circular and which can be described as:
2948                          * a=(pi*r^2)/C.
2949                          */
2950                         int a = data[5];
2951                         int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2952                         int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2953                         width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2954                         height = width * y_res / x_res;
2955                 }
2956
2957                 input_report_abs(input, ABS_MT_POSITION_X, x);
2958                 input_report_abs(input, ABS_MT_POSITION_Y, y);
2959                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2960                 input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2961         }
2962 }
2963
2964 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2965 {
2966         struct input_dev *input = wacom->pad_input;
2967         struct wacom_features *features = &wacom->features;
2968
2969         if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2970                 input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2971                 input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2972         } else {
2973                 input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2974                 input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2975         }
2976         input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2977         input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2978 }
2979
2980 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2981 {
2982         unsigned char *data = wacom->data;
2983         int count = data[1] & 0x07;
2984         int  touch_changed = 0, i;
2985
2986         if (data[0] != 0x02)
2987             return 0;
2988
2989         /* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2990         for (i = 0; i < count; i++) {
2991                 int offset = (8 * i) + 2;
2992                 int msg_id = data[offset];
2993
2994                 if (msg_id >= 2 && msg_id <= 17) {
2995                         wacom_bpt3_touch_msg(wacom, data + offset);
2996                         touch_changed++;
2997                 } else if (msg_id == 128)
2998                         wacom_bpt3_button_msg(wacom, data + offset);
2999
3000         }
3001
3002         /* only update touch if we actually have a touchpad and touch data changed */
3003         if (wacom->touch_input && touch_changed) {
3004                 input_mt_sync_frame(wacom->touch_input);
3005                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
3006         }
3007
3008         return 1;
3009 }
3010
3011 static int wacom_bpt_pen(struct wacom_wac *wacom)
3012 {
3013         struct wacom_features *features = &wacom->features;
3014         struct input_dev *input = wacom->pen_input;
3015         unsigned char *data = wacom->data;
3016         int x = 0, y = 0, p = 0, d = 0;
3017         bool pen = false, btn1 = false, btn2 = false;
3018         bool range, prox, rdy;
3019
3020         if (data[0] != WACOM_REPORT_PENABLED)
3021             return 0;
3022
3023         range = (data[1] & 0x80) == 0x80;
3024         prox = (data[1] & 0x40) == 0x40;
3025         rdy = (data[1] & 0x20) == 0x20;
3026
3027         wacom->shared->stylus_in_proximity = range;
3028         if (delay_pen_events(wacom))
3029                 return 0;
3030
3031         if (rdy) {
3032                 p = le16_to_cpup((__le16 *)&data[6]);
3033                 pen = data[1] & 0x01;
3034                 btn1 = data[1] & 0x02;
3035                 btn2 = data[1] & 0x04;
3036         }
3037         if (prox) {
3038                 x = le16_to_cpup((__le16 *)&data[2]);
3039                 y = le16_to_cpup((__le16 *)&data[4]);
3040
3041                 if (data[1] & 0x08) {
3042                         wacom->tool[0] = BTN_TOOL_RUBBER;
3043                         wacom->id[0] = ERASER_DEVICE_ID;
3044                 } else {
3045                         wacom->tool[0] = BTN_TOOL_PEN;
3046                         wacom->id[0] = STYLUS_DEVICE_ID;
3047                 }
3048                 wacom->reporting_data = true;
3049         }
3050         if (range) {
3051                 /*
3052                  * Convert distance from out prox to distance from tablet.
3053                  * distance will be greater than distance_max once
3054                  * touching and applying pressure; do not report negative
3055                  * distance.
3056                  */
3057                 if (data[8] <= features->distance_max)
3058                         d = features->distance_max - data[8];
3059         } else {
3060                 wacom->id[0] = 0;
3061         }
3062
3063         if (wacom->reporting_data) {
3064                 input_report_key(input, BTN_TOUCH, pen);
3065                 input_report_key(input, BTN_STYLUS, btn1);
3066                 input_report_key(input, BTN_STYLUS2, btn2);
3067
3068                 if (prox || !range) {
3069                         input_report_abs(input, ABS_X, x);
3070                         input_report_abs(input, ABS_Y, y);
3071                 }
3072                 input_report_abs(input, ABS_PRESSURE, p);
3073                 input_report_abs(input, ABS_DISTANCE, d);
3074
3075                 input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
3076                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
3077         }
3078
3079         if (!range) {
3080                 wacom->reporting_data = false;
3081         }
3082
3083         return 1;
3084 }
3085
3086 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
3087 {
3088         struct wacom_features *features = &wacom->features;
3089
3090         if ((features->type == INTUOSHT2) &&
3091             (features->device_type & WACOM_DEVICETYPE_PEN))
3092                 return wacom_intuos_irq(wacom);
3093         else if (len == WACOM_PKGLEN_BBTOUCH)
3094                 return wacom_bpt_touch(wacom);
3095         else if (len == WACOM_PKGLEN_BBTOUCH3)
3096                 return wacom_bpt3_touch(wacom);
3097         else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
3098                 return wacom_bpt_pen(wacom);
3099
3100         return 0;
3101 }
3102
3103 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
3104                 unsigned char *data)
3105 {
3106         unsigned char prefix;
3107
3108         /*
3109          * We need to reroute the event from the debug interface to the
3110          * pen interface.
3111          * We need to add the report ID to the actual pen report, so we
3112          * temporary overwrite the first byte to prevent having to kzalloc/kfree
3113          * and memcpy the report.
3114          */
3115         prefix = data[0];
3116         data[0] = WACOM_REPORT_BPAD_PEN;
3117
3118         /*
3119          * actually reroute the event.
3120          * No need to check if wacom->shared->pen is valid, hid_input_report()
3121          * will check for us.
3122          */
3123         hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3124                          WACOM_PKGLEN_PENABLED, 1);
3125
3126         data[0] = prefix;
3127 }
3128
3129 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3130                 unsigned char *data)
3131 {
3132         struct input_dev *input = wacom->touch_input;
3133         unsigned char *finger_data, prefix;
3134         unsigned id;
3135         int x, y;
3136         bool valid;
3137
3138         prefix = data[0];
3139
3140         for (id = 0; id < wacom->features.touch_max; id++) {
3141                 valid = !!(prefix & BIT(id)) &&
3142                         report_touch_events(wacom);
3143
3144                 input_mt_slot(input, id);
3145                 input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3146
3147                 if (!valid)
3148                         continue;
3149
3150                 finger_data = data + 1 + id * 3;
3151                 x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3152                 y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3153
3154                 input_report_abs(input, ABS_MT_POSITION_X, x);
3155                 input_report_abs(input, ABS_MT_POSITION_Y, y);
3156         }
3157
3158         input_mt_sync_frame(input);
3159
3160         input_report_key(input, BTN_LEFT, prefix & 0x40);
3161         input_report_key(input, BTN_RIGHT, prefix & 0x80);
3162
3163         /* keep touch state for pen event */
3164         wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3165
3166         return 1;
3167 }
3168
3169 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3170 {
3171         unsigned char *data = wacom->data;
3172
3173         if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3174               (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3175             (data[0] != WACOM_REPORT_BPAD_TOUCH))
3176                 return 0;
3177
3178         if (data[1] & 0x01)
3179                 wacom_bamboo_pad_pen_event(wacom, &data[1]);
3180
3181         if (data[1] & 0x02)
3182                 return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3183
3184         return 0;
3185 }
3186
3187 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3188 {
3189         unsigned char *data = wacom->data;
3190         int connected;
3191
3192         if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3193                 return 0;
3194
3195         connected = data[1] & 0x01;
3196         if (connected) {
3197                 int pid, battery, charging;
3198
3199                 if ((wacom->shared->type == INTUOSHT ||
3200                     wacom->shared->type == INTUOSHT2) &&
3201                     wacom->shared->touch_input &&
3202                     wacom->shared->touch_max) {
3203                         input_report_switch(wacom->shared->touch_input,
3204                                         SW_MUTE_DEVICE, data[5] & 0x40);
3205                         input_sync(wacom->shared->touch_input);
3206                 }
3207
3208                 pid = get_unaligned_be16(&data[6]);
3209                 battery = (data[5] & 0x3f) * 100 / 31;
3210                 charging = !!(data[5] & 0x80);
3211                 if (wacom->pid != pid) {
3212                         wacom->pid = pid;
3213                         wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3214                 }
3215
3216                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3217                                      battery, charging, 1, 0);
3218
3219         } else if (wacom->pid != 0) {
3220                 /* disconnected while previously connected */
3221                 wacom->pid = 0;
3222                 wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3223                 wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3224         }
3225
3226         return 0;
3227 }
3228
3229 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3230 {
3231         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3232         struct wacom_features *features = &wacom_wac->features;
3233         unsigned char *data = wacom_wac->data;
3234
3235         if (data[0] != WACOM_REPORT_USB)
3236                 return 0;
3237
3238         if ((features->type == INTUOSHT ||
3239             features->type == INTUOSHT2) &&
3240             wacom_wac->shared->touch_input &&
3241             features->touch_max) {
3242                 input_report_switch(wacom_wac->shared->touch_input,
3243                                     SW_MUTE_DEVICE, data[8] & 0x40);
3244                 input_sync(wacom_wac->shared->touch_input);
3245         }
3246
3247         if (data[9] & 0x02) { /* wireless module is attached */
3248                 int battery = (data[8] & 0x3f) * 100 / 31;
3249                 bool charging = !!(data[8] & 0x80);
3250
3251                 wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3252                                      battery, charging, battery || charging, 1);
3253
3254                 if (!wacom->battery.battery &&
3255                     !(features->quirks & WACOM_QUIRK_BATTERY)) {
3256                         features->quirks |= WACOM_QUIRK_BATTERY;
3257                         wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3258                 }
3259         }
3260         else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3261                  wacom->battery.battery) {
3262                 features->quirks &= ~WACOM_QUIRK_BATTERY;
3263                 wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3264                 wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3265         }
3266         return 0;
3267 }
3268
3269 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3270 {
3271         bool sync;
3272
3273         switch (wacom_wac->features.type) {
3274         case PENPARTNER:
3275                 sync = wacom_penpartner_irq(wacom_wac);
3276                 break;
3277
3278         case PL:
3279                 sync = wacom_pl_irq(wacom_wac);
3280                 break;
3281
3282         case WACOM_G4:
3283         case GRAPHIRE:
3284         case GRAPHIRE_BT:
3285         case WACOM_MO:
3286                 sync = wacom_graphire_irq(wacom_wac);
3287                 break;
3288
3289         case PTU:
3290                 sync = wacom_ptu_irq(wacom_wac);
3291                 break;
3292
3293         case DTU:
3294                 sync = wacom_dtu_irq(wacom_wac);
3295                 break;
3296
3297         case DTUS:
3298         case DTUSX:
3299                 sync = wacom_dtus_irq(wacom_wac);
3300                 break;
3301
3302         case INTUOS:
3303         case INTUOS3S:
3304         case INTUOS3:
3305         case INTUOS3L:
3306         case INTUOS4S:
3307         case INTUOS4:
3308         case INTUOS4L:
3309         case CINTIQ:
3310         case WACOM_BEE:
3311         case WACOM_13HD:
3312         case WACOM_21UX2:
3313         case WACOM_22HD:
3314         case WACOM_24HD:
3315         case WACOM_27QHD:
3316         case DTK:
3317         case CINTIQ_HYBRID:
3318         case CINTIQ_COMPANION_2:
3319                 sync = wacom_intuos_irq(wacom_wac);
3320                 break;
3321
3322         case INTUOS4WL:
3323                 sync = wacom_intuos_bt_irq(wacom_wac, len);
3324                 break;
3325
3326         case WACOM_24HDT:
3327         case WACOM_27QHDT:
3328                 sync = wacom_24hdt_irq(wacom_wac);
3329                 break;
3330
3331         case INTUOS5S:
3332         case INTUOS5:
3333         case INTUOS5L:
3334         case INTUOSPS:
3335         case INTUOSPM:
3336         case INTUOSPL:
3337                 if (len == WACOM_PKGLEN_BBTOUCH3)
3338                         sync = wacom_bpt3_touch(wacom_wac);
3339                 else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3340                         sync = wacom_status_irq(wacom_wac, len);
3341                 else
3342                         sync = wacom_intuos_irq(wacom_wac);
3343                 break;
3344
3345         case INTUOSP2_BT:
3346         case INTUOSP2S_BT:
3347         case INTUOSHT3_BT:
3348                 sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3349                 break;
3350
3351         case TABLETPC:
3352         case TABLETPCE:
3353         case TABLETPC2FG:
3354         case MTSCREEN:
3355         case MTTPC:
3356         case MTTPC_B:
3357                 sync = wacom_tpc_irq(wacom_wac, len);
3358                 break;
3359
3360         case BAMBOO_PT:
3361         case BAMBOO_PEN:
3362         case BAMBOO_TOUCH:
3363         case INTUOSHT:
3364         case INTUOSHT2:
3365                 if (wacom_wac->data[0] == WACOM_REPORT_USB)
3366                         sync = wacom_status_irq(wacom_wac, len);
3367                 else
3368                         sync = wacom_bpt_irq(wacom_wac, len);
3369                 break;
3370
3371         case BAMBOO_PAD:
3372                 sync = wacom_bamboo_pad_irq(wacom_wac, len);
3373                 break;
3374
3375         case WIRELESS:
3376                 sync = wacom_wireless_irq(wacom_wac, len);
3377                 break;
3378
3379         case REMOTE:
3380                 sync = false;
3381                 if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3382                         wacom_remote_status_irq(wacom_wac, len);
3383                 else
3384                         sync = wacom_remote_irq(wacom_wac, len);
3385                 break;
3386
3387         default:
3388                 sync = false;
3389                 break;
3390         }
3391
3392         if (sync) {
3393                 if (wacom_wac->pen_input)
3394                         input_sync(wacom_wac->pen_input);
3395                 if (wacom_wac->touch_input)
3396                         input_sync(wacom_wac->touch_input);
3397                 if (wacom_wac->pad_input)
3398                         input_sync(wacom_wac->pad_input);
3399         }
3400 }
3401
3402 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3403 {
3404         struct input_dev *input_dev = wacom_wac->pen_input;
3405
3406         input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3407
3408         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3409         __set_bit(BTN_STYLUS, input_dev->keybit);
3410         __set_bit(BTN_STYLUS2, input_dev->keybit);
3411
3412         input_set_abs_params(input_dev, ABS_DISTANCE,
3413                              0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3414 }
3415
3416 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3417 {
3418         struct input_dev *input_dev = wacom_wac->pen_input;
3419         struct wacom_features *features = &wacom_wac->features;
3420
3421         wacom_setup_basic_pro_pen(wacom_wac);
3422
3423         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3424         __set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3425         __set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3426         __set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3427
3428         input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3429         input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3430         input_abs_set_res(input_dev, ABS_TILT_X, 57);
3431         input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3432         input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3433 }
3434
3435 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3436 {
3437         struct input_dev *input_dev = wacom_wac->pen_input;
3438
3439         input_set_capability(input_dev, EV_REL, REL_WHEEL);
3440
3441         wacom_setup_cintiq(wacom_wac);
3442
3443         __set_bit(BTN_LEFT, input_dev->keybit);
3444         __set_bit(BTN_RIGHT, input_dev->keybit);
3445         __set_bit(BTN_MIDDLE, input_dev->keybit);
3446         __set_bit(BTN_SIDE, input_dev->keybit);
3447         __set_bit(BTN_EXTRA, input_dev->keybit);
3448         __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3449         __set_bit(BTN_TOOL_LENS, input_dev->keybit);
3450
3451         input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3452         input_abs_set_res(input_dev, ABS_RZ, 287);
3453         input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3454 }
3455
3456 void wacom_setup_device_quirks(struct wacom *wacom)
3457 {
3458         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
3459         struct wacom_features *features = &wacom->wacom_wac.features;
3460
3461         /* The pen and pad share the same interface on most devices */
3462         if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3463             features->type == DTUS ||
3464             (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3465                 if (features->device_type & WACOM_DEVICETYPE_PEN)
3466                         features->device_type |= WACOM_DEVICETYPE_PAD;
3467         }
3468
3469         /* touch device found but size is not defined. use default */
3470         if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3471                 features->x_max = 1023;
3472                 features->y_max = 1023;
3473         }
3474
3475         /*
3476          * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3477          * touch interface in its HID descriptor. If this is the touch
3478          * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3479          * tablet values.
3480          */
3481         if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3482                 (features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3483                 if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3484                         if (features->touch_max)
3485                                 features->device_type |= WACOM_DEVICETYPE_TOUCH;
3486                         if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3487                                 features->device_type |= WACOM_DEVICETYPE_PAD;
3488
3489                         if (features->type == INTUOSHT2) {
3490                                 features->x_max = features->x_max / 10;
3491                                 features->y_max = features->y_max / 10;
3492                         }
3493                         else {
3494                                 features->x_max = 4096;
3495                                 features->y_max = 4096;
3496                         }
3497                 }
3498                 else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3499                         features->device_type |= WACOM_DEVICETYPE_PAD;
3500                 }
3501         }
3502
3503         /*
3504          * Hack for the Bamboo One:
3505          * the device presents a PAD/Touch interface as most Bamboos and even
3506          * sends ghosts PAD data on it. However, later, we must disable this
3507          * ghost interface, and we can not detect it unless we set it here
3508          * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3509          */
3510         if (features->type == BAMBOO_PEN &&
3511             features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3512                 features->device_type |= WACOM_DEVICETYPE_PAD;
3513
3514         /*
3515          * Raw Wacom-mode pen and touch events both come from interface
3516          * 0, whose HID descriptor has an application usage of 0xFF0D
3517          * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3518          * out through the HID_GENERIC device created for interface 1,
3519          * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3520          */
3521         if (features->type == BAMBOO_PAD)
3522                 features->device_type = WACOM_DEVICETYPE_TOUCH;
3523
3524         if (features->type == REMOTE)
3525                 features->device_type = WACOM_DEVICETYPE_PAD;
3526
3527         if (features->type == INTUOSP2_BT ||
3528             features->type == INTUOSP2S_BT) {
3529                 features->device_type |= WACOM_DEVICETYPE_PEN |
3530                                          WACOM_DEVICETYPE_PAD |
3531                                          WACOM_DEVICETYPE_TOUCH;
3532                 features->quirks |= WACOM_QUIRK_BATTERY;
3533         }
3534
3535         if (features->type == INTUOSHT3_BT) {
3536                 features->device_type |= WACOM_DEVICETYPE_PEN |
3537                                          WACOM_DEVICETYPE_PAD;
3538                 features->quirks |= WACOM_QUIRK_BATTERY;
3539         }
3540
3541         switch (features->type) {
3542         case PL:
3543         case DTU:
3544         case DTUS:
3545         case DTUSX:
3546         case WACOM_21UX2:
3547         case WACOM_22HD:
3548         case DTK:
3549         case WACOM_24HD:
3550         case WACOM_27QHD:
3551         case CINTIQ_HYBRID:
3552         case CINTIQ_COMPANION_2:
3553         case CINTIQ:
3554         case WACOM_BEE:
3555         case WACOM_13HD:
3556         case WACOM_24HDT:
3557         case WACOM_27QHDT:
3558         case TABLETPC:
3559         case TABLETPCE:
3560         case TABLETPC2FG:
3561         case MTSCREEN:
3562         case MTTPC:
3563         case MTTPC_B:
3564                 features->device_type |= WACOM_DEVICETYPE_DIRECT;
3565                 break;
3566         }
3567
3568         if (wacom->hdev->bus == BUS_BLUETOOTH)
3569                 features->quirks |= WACOM_QUIRK_BATTERY;
3570
3571         /* quirk for bamboo touch with 2 low res touches */
3572         if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3573             features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3574                 features->x_max <<= 5;
3575                 features->y_max <<= 5;
3576                 features->x_fuzz <<= 5;
3577                 features->y_fuzz <<= 5;
3578                 features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3579         }
3580
3581         if (features->type == WIRELESS) {
3582                 if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3583                         features->quirks |= WACOM_QUIRK_BATTERY;
3584                 }
3585         }
3586
3587         if (features->type == REMOTE)
3588                 features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3589
3590         /* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
3591          * of things it shouldn't. Lets fix up the damage...
3592          */
3593         if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
3594                 features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
3595                 __clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
3596                 __clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
3597                 __clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
3598                 __clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
3599                 __clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
3600                 __clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
3601                 __clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
3602                 __clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
3603                 __clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
3604                 __clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
3605                 __clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
3606         }
3607 }
3608
3609 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3610                                    struct wacom_wac *wacom_wac)
3611 {
3612         struct wacom_features *features = &wacom_wac->features;
3613
3614         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3615
3616         if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3617                 return -ENODEV;
3618
3619         if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3620                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3621         else
3622                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3623
3624         if (features->type == HID_GENERIC) {
3625                 /* setup has already been done; apply otherwise-undetectible quirks */
3626                 input_set_capability(input_dev, EV_KEY, BTN_STYLUS3);
3627                 return 0;
3628         }
3629
3630         __set_bit(BTN_TOUCH, input_dev->keybit);
3631         __set_bit(ABS_MISC, input_dev->absbit);
3632
3633         input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3634                              features->x_max - features->offset_right,
3635                              features->x_fuzz, 0);
3636         input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3637                              features->y_max - features->offset_bottom,
3638                              features->y_fuzz, 0);
3639         input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3640                 features->pressure_max, features->pressure_fuzz, 0);
3641
3642         /* penabled devices have fixed resolution for each model */
3643         input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3644         input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3645
3646         switch (features->type) {
3647         case GRAPHIRE_BT:
3648                 __clear_bit(ABS_MISC, input_dev->absbit);
3649                 /* fall through */
3650
3651         case WACOM_MO:
3652         case WACOM_G4:
3653                 input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3654                                               features->distance_max,
3655                                               features->distance_fuzz, 0);
3656                 /* fall through */
3657
3658         case GRAPHIRE:
3659                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
3660
3661                 __set_bit(BTN_LEFT, input_dev->keybit);
3662                 __set_bit(BTN_RIGHT, input_dev->keybit);
3663                 __set_bit(BTN_MIDDLE, input_dev->keybit);
3664
3665                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3666                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3667                 __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3668                 __set_bit(BTN_STYLUS, input_dev->keybit);
3669                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3670                 break;
3671
3672         case WACOM_27QHD:
3673         case WACOM_24HD:
3674         case DTK:
3675         case WACOM_22HD:
3676         case WACOM_21UX2:
3677         case WACOM_BEE:
3678         case CINTIQ:
3679         case WACOM_13HD:
3680         case CINTIQ_HYBRID:
3681         case CINTIQ_COMPANION_2:
3682                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3683                 input_abs_set_res(input_dev, ABS_Z, 287);
3684                 wacom_setup_cintiq(wacom_wac);
3685                 break;
3686
3687         case INTUOS3:
3688         case INTUOS3L:
3689         case INTUOS3S:
3690         case INTUOS4:
3691         case INTUOS4WL:
3692         case INTUOS4L:
3693         case INTUOS4S:
3694                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3695                 input_abs_set_res(input_dev, ABS_Z, 287);
3696                 /* fall through */
3697
3698         case INTUOS:
3699                 wacom_setup_intuos(wacom_wac);
3700                 break;
3701
3702         case INTUOS5:
3703         case INTUOS5L:
3704         case INTUOSPM:
3705         case INTUOSPL:
3706         case INTUOS5S:
3707         case INTUOSPS:
3708         case INTUOSP2_BT:
3709         case INTUOSP2S_BT:
3710                 input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3711                                       features->distance_max,
3712                                       features->distance_fuzz, 0);
3713
3714                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3715                 input_abs_set_res(input_dev, ABS_Z, 287);
3716
3717                 wacom_setup_intuos(wacom_wac);
3718                 break;
3719
3720         case WACOM_24HDT:
3721         case WACOM_27QHDT:
3722         case MTSCREEN:
3723         case MTTPC:
3724         case MTTPC_B:
3725         case TABLETPC2FG:
3726         case TABLETPC:
3727         case TABLETPCE:
3728                 __clear_bit(ABS_MISC, input_dev->absbit);
3729                 /* fall through */
3730
3731         case DTUS:
3732         case DTUSX:
3733         case PL:
3734         case DTU:
3735                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3736                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3737                 __set_bit(BTN_STYLUS, input_dev->keybit);
3738                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3739                 break;
3740
3741         case PTU:
3742                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3743                 /* fall through */
3744
3745         case PENPARTNER:
3746                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3747                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3748                 __set_bit(BTN_STYLUS, input_dev->keybit);
3749                 break;
3750
3751         case INTUOSHT:
3752         case BAMBOO_PT:
3753         case BAMBOO_PEN:
3754         case INTUOSHT2:
3755         case INTUOSHT3_BT:
3756                 if (features->type == INTUOSHT2 ||
3757                     features->type == INTUOSHT3_BT) {
3758                         wacom_setup_basic_pro_pen(wacom_wac);
3759                 } else {
3760                         __clear_bit(ABS_MISC, input_dev->absbit);
3761                         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3762                         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3763                         __set_bit(BTN_STYLUS, input_dev->keybit);
3764                         __set_bit(BTN_STYLUS2, input_dev->keybit);
3765                         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3766                                       features->distance_max,
3767                                       features->distance_fuzz, 0);
3768                 }
3769                 break;
3770         case BAMBOO_PAD:
3771                 __clear_bit(ABS_MISC, input_dev->absbit);
3772                 break;
3773         }
3774         return 0;
3775 }
3776
3777 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3778                                          struct wacom_wac *wacom_wac)
3779 {
3780         struct wacom_features *features = &wacom_wac->features;
3781
3782         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3783
3784         if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3785                 return -ENODEV;
3786
3787         if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3788                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3789         else
3790                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3791
3792         if (features->type == HID_GENERIC)
3793                 /* setup has already been done */
3794                 return 0;
3795
3796         __set_bit(BTN_TOUCH, input_dev->keybit);
3797
3798         if (features->touch_max == 1) {
3799                 input_set_abs_params(input_dev, ABS_X, 0,
3800                         features->x_max, features->x_fuzz, 0);
3801                 input_set_abs_params(input_dev, ABS_Y, 0,
3802                         features->y_max, features->y_fuzz, 0);
3803                 input_abs_set_res(input_dev, ABS_X,
3804                                   features->x_resolution);
3805                 input_abs_set_res(input_dev, ABS_Y,
3806                                   features->y_resolution);
3807         }
3808         else if (features->touch_max > 1) {
3809                 input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3810                         features->x_max, features->x_fuzz, 0);
3811                 input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3812                         features->y_max, features->y_fuzz, 0);
3813                 input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3814                                   features->x_resolution);
3815                 input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3816                                   features->y_resolution);
3817         }
3818
3819         switch (features->type) {
3820         case INTUOSP2_BT:
3821         case INTUOSP2S_BT:
3822                 input_dev->evbit[0] |= BIT_MASK(EV_SW);
3823                 __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3824
3825                 if (wacom_wac->shared->touch->product == 0x361) {
3826                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3827                                              0, 12440, 4, 0);
3828                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3829                                              0, 8640, 4, 0);
3830                 }
3831                 else if (wacom_wac->shared->touch->product == 0x360) {
3832                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3833                                              0, 8960, 4, 0);
3834                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3835                                              0, 5920, 4, 0);
3836                 }
3837                 else if (wacom_wac->shared->touch->product == 0x393) {
3838                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3839                                              0, 6400, 4, 0);
3840                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3841                                              0, 4000, 4, 0);
3842                 }
3843                 input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3844                 input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40);
3845
3846                 /* fall through */
3847
3848         case INTUOS5:
3849         case INTUOS5L:
3850         case INTUOSPM:
3851         case INTUOSPL:
3852         case INTUOS5S:
3853         case INTUOSPS:
3854                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3855                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3856                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3857                 break;
3858
3859         case WACOM_24HDT:
3860                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3861                 input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3862                 input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3863                 input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3864                 /* fall through */
3865
3866         case WACOM_27QHDT:
3867                 if (wacom_wac->shared->touch->product == 0x32C ||
3868                     wacom_wac->shared->touch->product == 0xF6) {
3869                         input_dev->evbit[0] |= BIT_MASK(EV_SW);
3870                         __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3871                         wacom_wac->shared->has_mute_touch_switch = true;
3872                 }
3873                 /* fall through */
3874
3875         case MTSCREEN:
3876         case MTTPC:
3877         case MTTPC_B:
3878         case TABLETPC2FG:
3879                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
3880                 /*fall through */
3881
3882         case TABLETPC:
3883         case TABLETPCE:
3884                 break;
3885
3886         case INTUOSHT:
3887         case INTUOSHT2:
3888                 input_dev->evbit[0] |= BIT_MASK(EV_SW);
3889                 __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3890                 /* fall through */
3891
3892         case BAMBOO_PT:
3893         case BAMBOO_TOUCH:
3894                 if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3895                         input_set_abs_params(input_dev,
3896                                      ABS_MT_TOUCH_MAJOR,
3897                                      0, features->x_max, 0, 0);
3898                         input_set_abs_params(input_dev,
3899                                      ABS_MT_TOUCH_MINOR,
3900                                      0, features->y_max, 0, 0);
3901                 }
3902                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3903                 break;
3904
3905         case BAMBOO_PAD:
3906                 input_mt_init_slots(input_dev, features->touch_max,
3907                                     INPUT_MT_POINTER);
3908                 __set_bit(BTN_LEFT, input_dev->keybit);
3909                 __set_bit(BTN_RIGHT, input_dev->keybit);
3910                 break;
3911         }
3912         return 0;
3913 }
3914
3915 static int wacom_numbered_button_to_key(int n)
3916 {
3917         if (n < 10)
3918                 return BTN_0 + n;
3919         else if (n < 16)
3920                 return BTN_A + (n-10);
3921         else if (n < 18)
3922                 return BTN_BASE + (n-16);
3923         else
3924                 return 0;
3925 }
3926
3927 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
3928                                 int button_count)
3929 {
3930         int i;
3931
3932         for (i = 0; i < button_count; i++) {
3933                 int key = wacom_numbered_button_to_key(i);
3934
3935                 if (key)
3936                         __set_bit(key, input_dev->keybit);
3937         }
3938 }
3939
3940 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
3941 {
3942         struct wacom_led *led;
3943         int i;
3944         bool updated = false;
3945
3946         /*
3947          * 24HD has LED group 1 to the left and LED group 0 to the right.
3948          * So group 0 matches the second half of the buttons and thus the mask
3949          * needs to be shifted.
3950          */
3951         if (group == 0)
3952                 mask >>= 8;
3953
3954         for (i = 0; i < 3; i++) {
3955                 led = wacom_led_find(wacom, group, i);
3956                 if (!led) {
3957                         hid_err(wacom->hdev, "can't find LED %d in group %d\n",
3958                                 i, group);
3959                         continue;
3960                 }
3961                 if (!updated && mask & BIT(i)) {
3962                         led->held = true;
3963                         led_trigger_event(&led->trigger, LED_FULL);
3964                 } else {
3965                         led->held = false;
3966                 }
3967         }
3968 }
3969
3970 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
3971                                  int mask, int group)
3972 {
3973         int group_button;
3974
3975         /*
3976          * 21UX2 has LED group 1 to the left and LED group 0
3977          * to the right. We need to reverse the group to match this
3978          * historical behavior.
3979          */
3980         if (wacom->wacom_wac.features.type == WACOM_21UX2)
3981                 group = 1 - group;
3982
3983         group_button = group * (button_count/wacom->led.count);
3984
3985         if (wacom->wacom_wac.features.type == INTUOSP2_BT)
3986                 group_button = 8;
3987
3988         return mask & (1 << group_button);
3989 }
3990
3991 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
3992                              int group)
3993 {
3994         struct wacom_led *led, *next_led;
3995         int cur;
3996         bool pressed;
3997
3998         if (wacom->wacom_wac.features.type == WACOM_24HD)
3999                 return wacom_24hd_update_leds(wacom, mask, group);
4000
4001         pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
4002         cur = wacom->led.groups[group].select;
4003
4004         led = wacom_led_find(wacom, group, cur);
4005         if (!led) {
4006                 hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
4007                         cur, group);
4008                 return;
4009         }
4010
4011         if (!pressed) {
4012                 led->held = false;
4013                 return;
4014         }
4015
4016         if (led->held && pressed)
4017                 return;
4018
4019         next_led = wacom_led_next(wacom, led);
4020         if (!next_led) {
4021                 hid_err(wacom->hdev, "can't find next LED in group %d\n",
4022                         group);
4023                 return;
4024         }
4025         if (next_led == led)
4026                 return;
4027
4028         next_led->held = true;
4029         led_trigger_event(&next_led->trigger,
4030                           wacom_leds_brightness_get(next_led));
4031 }
4032
4033 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
4034                                 int button_count, int mask)
4035 {
4036         struct wacom *wacom = input_get_drvdata(input_dev);
4037         int i;
4038
4039         for (i = 0; i < wacom->led.count; i++)
4040                 wacom_update_led(wacom,  button_count, mask, i);
4041
4042         for (i = 0; i < button_count; i++) {
4043                 int key = wacom_numbered_button_to_key(i);
4044
4045                 if (key)
4046                         input_report_key(input_dev, key, mask & (1 << i));
4047         }
4048 }
4049
4050 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
4051                                    struct wacom_wac *wacom_wac)
4052 {
4053         struct wacom_features *features = &wacom_wac->features;
4054
4055         if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
4056                 features->device_type |= WACOM_DEVICETYPE_PAD;
4057
4058         if (!(features->device_type & WACOM_DEVICETYPE_PAD))
4059                 return -ENODEV;
4060
4061         if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
4062                 return -ENODEV;
4063
4064         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
4065
4066         /* kept for making legacy xf86-input-wacom working with the wheels */
4067         __set_bit(ABS_MISC, input_dev->absbit);
4068
4069         /* kept for making legacy xf86-input-wacom accepting the pad */
4070         if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
4071               input_dev->absinfo[ABS_X].maximum)))
4072                 input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
4073         if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
4074               input_dev->absinfo[ABS_Y].maximum)))
4075                 input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
4076
4077         /* kept for making udev and libwacom accepting the pad */
4078         __set_bit(BTN_STYLUS, input_dev->keybit);
4079
4080         wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
4081
4082         switch (features->type) {
4083
4084         case CINTIQ_HYBRID:
4085         case CINTIQ_COMPANION_2:
4086         case DTK:
4087         case DTUS:
4088         case GRAPHIRE_BT:
4089                 break;
4090
4091         case WACOM_MO:
4092                 __set_bit(BTN_BACK, input_dev->keybit);
4093                 __set_bit(BTN_LEFT, input_dev->keybit);
4094                 __set_bit(BTN_FORWARD, input_dev->keybit);
4095                 __set_bit(BTN_RIGHT, input_dev->keybit);
4096                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4097                 break;
4098
4099         case WACOM_G4:
4100                 __set_bit(BTN_BACK, input_dev->keybit);
4101                 __set_bit(BTN_FORWARD, input_dev->keybit);
4102                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
4103                 break;
4104
4105         case WACOM_24HD:
4106                 __set_bit(KEY_PROG1, input_dev->keybit);
4107                 __set_bit(KEY_PROG2, input_dev->keybit);
4108                 __set_bit(KEY_PROG3, input_dev->keybit);
4109
4110                 __set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4111                 __set_bit(KEY_INFO, input_dev->keybit);
4112
4113                 if (!features->oPid)
4114                         __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4115
4116                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4117                 input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
4118                 break;
4119
4120         case WACOM_27QHD:
4121                 __set_bit(KEY_PROG1, input_dev->keybit);
4122                 __set_bit(KEY_PROG2, input_dev->keybit);
4123                 __set_bit(KEY_PROG3, input_dev->keybit);
4124
4125                 __set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4126                 __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4127
4128                 if (!features->oPid)
4129                         __set_bit(KEY_CONTROLPANEL, input_dev->keybit);
4130                 input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
4131                 input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
4132                 input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
4133                 input_abs_set_res(input_dev, ABS_Y, 1024);
4134                 input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
4135                 input_abs_set_res(input_dev, ABS_Z, 1024);
4136                 __set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
4137                 break;
4138
4139         case WACOM_22HD:
4140                 __set_bit(KEY_PROG1, input_dev->keybit);
4141                 __set_bit(KEY_PROG2, input_dev->keybit);
4142                 __set_bit(KEY_PROG3, input_dev->keybit);
4143
4144                 __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4145                 __set_bit(KEY_INFO, input_dev->keybit);
4146                 /* fall through */
4147
4148         case WACOM_21UX2:
4149         case WACOM_BEE:
4150         case CINTIQ:
4151                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4152                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4153                 break;
4154
4155         case WACOM_13HD:
4156                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4157                 break;
4158
4159         case INTUOS3:
4160         case INTUOS3L:
4161                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4162                 /* fall through */
4163
4164         case INTUOS3S:
4165                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4166                 break;
4167
4168         case INTUOS5:
4169         case INTUOS5L:
4170         case INTUOSPM:
4171         case INTUOSPL:
4172         case INTUOS5S:
4173         case INTUOSPS:
4174         case INTUOSP2_BT:
4175         case INTUOSP2S_BT:
4176                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4177                 break;
4178
4179         case INTUOS4WL:
4180                 /*
4181                  * For Bluetooth devices, the udev rule does not work correctly
4182                  * for pads unless we add a stylus capability, which forces
4183                  * ID_INPUT_TABLET to be set.
4184                  */
4185                 __set_bit(BTN_STYLUS, input_dev->keybit);
4186                 /* fall through */
4187
4188         case INTUOS4:
4189         case INTUOS4L:
4190         case INTUOS4S:
4191                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4192                 break;
4193
4194         case INTUOSHT:
4195         case BAMBOO_PT:
4196         case BAMBOO_TOUCH:
4197         case INTUOSHT2:
4198                 __clear_bit(ABS_MISC, input_dev->absbit);
4199
4200                 __set_bit(BTN_LEFT, input_dev->keybit);
4201                 __set_bit(BTN_FORWARD, input_dev->keybit);
4202                 __set_bit(BTN_BACK, input_dev->keybit);
4203                 __set_bit(BTN_RIGHT, input_dev->keybit);
4204
4205                 break;
4206
4207         case REMOTE:
4208                 input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
4209                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4210                 break;
4211
4212         case INTUOSHT3_BT:
4213         case HID_GENERIC:
4214                 break;
4215
4216         default:
4217                 /* no pad supported */
4218                 return -ENODEV;
4219         }
4220         return 0;
4221 }
4222
4223 static const struct wacom_features wacom_features_0x00 =
4224         { "Wacom Penpartner", 5040, 3780, 255, 0,
4225           PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4226 static const struct wacom_features wacom_features_0x10 =
4227         { "Wacom Graphire", 10206, 7422, 511, 63,
4228           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4229 static const struct wacom_features wacom_features_0x81 =
4230         { "Wacom Graphire BT", 16704, 12064, 511, 32,
4231           GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
4232 static const struct wacom_features wacom_features_0x11 =
4233         { "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
4234           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4235 static const struct wacom_features wacom_features_0x12 =
4236         { "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
4237           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4238 static const struct wacom_features wacom_features_0x13 =
4239         { "Wacom Graphire3", 10208, 7424, 511, 63,
4240           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4241 static const struct wacom_features wacom_features_0x14 =
4242         { "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
4243           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4244 static const struct wacom_features wacom_features_0x15 =
4245         { "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
4246           WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4247 static const struct wacom_features wacom_features_0x16 =
4248         { "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
4249           WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4250 static const struct wacom_features wacom_features_0x17 =
4251         { "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
4252           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4253 static const struct wacom_features wacom_features_0x18 =
4254         { "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
4255           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4256 static const struct wacom_features wacom_features_0x19 =
4257         { "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
4258           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4259 static const struct wacom_features wacom_features_0x60 =
4260         { "Wacom Volito", 5104, 3712, 511, 63,
4261           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4262 static const struct wacom_features wacom_features_0x61 =
4263         { "Wacom PenStation2", 3250, 2320, 255, 63,
4264           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4265 static const struct wacom_features wacom_features_0x62 =
4266         { "Wacom Volito2 4x5", 5104, 3712, 511, 63,
4267           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4268 static const struct wacom_features wacom_features_0x63 =
4269         { "Wacom Volito2 2x3", 3248, 2320, 511, 63,
4270           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4271 static const struct wacom_features wacom_features_0x64 =
4272         { "Wacom PenPartner2", 3250, 2320, 511, 63,
4273           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4274 static const struct wacom_features wacom_features_0x65 =
4275         { "Wacom Bamboo", 14760, 9225, 511, 63,
4276           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4277 static const struct wacom_features wacom_features_0x69 =
4278         { "Wacom Bamboo1", 5104, 3712, 511, 63,
4279           GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4280 static const struct wacom_features wacom_features_0x6A =
4281         { "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
4282           GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4283 static const struct wacom_features wacom_features_0x6B =
4284         { "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
4285           GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4286 static const struct wacom_features wacom_features_0x20 =
4287         { "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
4288           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4289 static const struct wacom_features wacom_features_0x21 =
4290         { "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
4291           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4292 static const struct wacom_features wacom_features_0x22 =
4293         { "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
4294           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4295 static const struct wacom_features wacom_features_0x23 =
4296         { "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
4297           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4298 static const struct wacom_features wacom_features_0x24 =
4299         { "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
4300           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4301 static const struct wacom_features wacom_features_0x30 =
4302         { "Wacom PL400", 5408, 4056, 255, 0,
4303           PL, WACOM_PL_RES, WACOM_PL_RES };
4304 static const struct wacom_features wacom_features_0x31 =
4305         { "Wacom PL500", 6144, 4608, 255, 0,
4306           PL, WACOM_PL_RES, WACOM_PL_RES };
4307 static const struct wacom_features wacom_features_0x32 =
4308         { "Wacom PL600", 6126, 4604, 255, 0,
4309           PL, WACOM_PL_RES, WACOM_PL_RES };
4310 static const struct wacom_features wacom_features_0x33 =
4311         { "Wacom PL600SX", 6260, 5016, 255, 0,
4312           PL, WACOM_PL_RES, WACOM_PL_RES };
4313 static const struct wacom_features wacom_features_0x34 =
4314         { "Wacom PL550", 6144, 4608, 511, 0,
4315           PL, WACOM_PL_RES, WACOM_PL_RES };
4316 static const struct wacom_features wacom_features_0x35 =
4317         { "Wacom PL800", 7220, 5780, 511, 0,
4318           PL, WACOM_PL_RES, WACOM_PL_RES };
4319 static const struct wacom_features wacom_features_0x37 =
4320         { "Wacom PL700", 6758, 5406, 511, 0,
4321           PL, WACOM_PL_RES, WACOM_PL_RES };
4322 static const struct wacom_features wacom_features_0x38 =
4323         { "Wacom PL510", 6282, 4762, 511, 0,
4324           PL, WACOM_PL_RES, WACOM_PL_RES };
4325 static const struct wacom_features wacom_features_0x39 =
4326         { "Wacom DTU710", 34080, 27660, 511, 0,
4327           PL, WACOM_PL_RES, WACOM_PL_RES };
4328 static const struct wacom_features wacom_features_0xC4 =
4329         { "Wacom DTF521", 6282, 4762, 511, 0,
4330           PL, WACOM_PL_RES, WACOM_PL_RES };
4331 static const struct wacom_features wacom_features_0xC0 =
4332         { "Wacom DTF720", 6858, 5506, 511, 0,
4333           PL, WACOM_PL_RES, WACOM_PL_RES };
4334 static const struct wacom_features wacom_features_0xC2 =
4335         { "Wacom DTF720a", 6858, 5506, 511, 0,
4336           PL, WACOM_PL_RES, WACOM_PL_RES };
4337 static const struct wacom_features wacom_features_0x03 =
4338         { "Wacom Cintiq Partner", 20480, 15360, 511, 0,
4339           PTU, WACOM_PL_RES, WACOM_PL_RES };
4340 static const struct wacom_features wacom_features_0x41 =
4341         { "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
4342           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4343 static const struct wacom_features wacom_features_0x42 =
4344         { "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4345           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4346 static const struct wacom_features wacom_features_0x43 =
4347         { "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4348           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4349 static const struct wacom_features wacom_features_0x44 =
4350         { "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4351           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4352 static const struct wacom_features wacom_features_0x45 =
4353         { "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4354           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4355 static const struct wacom_features wacom_features_0xB0 =
4356         { "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4357           INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4358 static const struct wacom_features wacom_features_0xB1 =
4359         { "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4360           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4361 static const struct wacom_features wacom_features_0xB2 =
4362         { "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4363           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4364 static const struct wacom_features wacom_features_0xB3 =
4365         { "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4366           INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4367 static const struct wacom_features wacom_features_0xB4 =
4368         { "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4369           INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4370 static const struct wacom_features wacom_features_0xB5 =
4371         { "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4372           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4373 static const struct wacom_features wacom_features_0xB7 =
4374         { "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4375           INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4376 static const struct wacom_features wacom_features_0xB8 =
4377         { "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4378           INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4379 static const struct wacom_features wacom_features_0xB9 =
4380         { "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4381           INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4382 static const struct wacom_features wacom_features_0xBA =
4383         { "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4384           INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4385 static const struct wacom_features wacom_features_0xBB =
4386         { "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4387           INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4388 static const struct wacom_features wacom_features_0xBC =
4389         { "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4390           INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4391 static const struct wacom_features wacom_features_0xBD =
4392         { "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4393           INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4394 static const struct wacom_features wacom_features_0x26 =
4395         { "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4396           INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4397 static const struct wacom_features wacom_features_0x27 =
4398         { "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4399           INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4400 static const struct wacom_features wacom_features_0x28 =
4401         { "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4402           INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4403 static const struct wacom_features wacom_features_0x29 =
4404         { "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4405           INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4406 static const struct wacom_features wacom_features_0x2A =
4407         { "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4408           INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4409 static const struct wacom_features wacom_features_0x314 =
4410         { "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4411           INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4412           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4413 static const struct wacom_features wacom_features_0x315 =
4414         { "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4415           INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4416           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4417 static const struct wacom_features wacom_features_0x317 =
4418         { "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4419           INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4420           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4421 static const struct wacom_features wacom_features_0xF4 =
4422         { "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4423           WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4424           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4425           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4426 static const struct wacom_features wacom_features_0xF8 =
4427         { "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4428           WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4429           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4430           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4431           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4432 static const struct wacom_features wacom_features_0xF6 =
4433         { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4434           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4435           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4436 static const struct wacom_features wacom_features_0x32A =
4437         { "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4438           WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4439           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4440           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4441 static const struct wacom_features wacom_features_0x32B =
4442         { "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4443           WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4444           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4445           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4446           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4447 static const struct wacom_features wacom_features_0x32C =
4448         { "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4449           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4450 static const struct wacom_features wacom_features_0x3F =
4451         { "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4452           CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4453 static const struct wacom_features wacom_features_0xC5 =
4454         { "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4455           WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4456 static const struct wacom_features wacom_features_0xC6 =
4457         { "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4458           WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4459 static const struct wacom_features wacom_features_0x304 =
4460         { "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4461           WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4462           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4463           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4464 static const struct wacom_features wacom_features_0x333 =
4465         { "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4466           WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4467           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4468           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4469           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4470 static const struct wacom_features wacom_features_0x335 =
4471         { "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4472           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4473           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4474 static const struct wacom_features wacom_features_0xC7 =
4475         { "Wacom DTU1931", 37832, 30305, 511, 0,
4476           PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4477 static const struct wacom_features wacom_features_0xCE =
4478         { "Wacom DTU2231", 47864, 27011, 511, 0,
4479           DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4480           .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4481 static const struct wacom_features wacom_features_0xF0 =
4482         { "Wacom DTU1631", 34623, 19553, 511, 0,
4483           DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4484 static const struct wacom_features wacom_features_0xFB =
4485         { "Wacom DTU1031", 22096, 13960, 511, 0,
4486           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4487           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4488           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4489 static const struct wacom_features wacom_features_0x32F =
4490         { "Wacom DTU1031X", 22672, 12928, 511, 0,
4491           DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4492           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4493           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4494 static const struct wacom_features wacom_features_0x336 =
4495         { "Wacom DTU1141", 23672, 13403, 1023, 0,
4496           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4497           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4498           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4499 static const struct wacom_features wacom_features_0x57 =
4500         { "Wacom DTK2241", 95840, 54260, 2047, 63,
4501           DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4502           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4503           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4504 static const struct wacom_features wacom_features_0x59 = /* Pen */
4505         { "Wacom DTH2242", 95840, 54260, 2047, 63,
4506           DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4507           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4508           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4509           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4510 static const struct wacom_features wacom_features_0x5D = /* Touch */
4511         { "Wacom DTH2242",       .type = WACOM_24HDT,
4512           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4513           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4514 static const struct wacom_features wacom_features_0xCC =
4515         { "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4516           WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4517           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4518           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4519 static const struct wacom_features wacom_features_0xFA =
4520         { "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4521           WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4522           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4523           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4524 static const struct wacom_features wacom_features_0x5B =
4525         { "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4526           WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4527           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4528           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4529           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4530 static const struct wacom_features wacom_features_0x5E =
4531         { "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4532           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4533           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4534 static const struct wacom_features wacom_features_0x90 =
4535         { "Wacom ISDv4 90", 26202, 16325, 255, 0,
4536           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4537 static const struct wacom_features wacom_features_0x93 =
4538         { "Wacom ISDv4 93", 26202, 16325, 255, 0,
4539           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4540 static const struct wacom_features wacom_features_0x97 =
4541         { "Wacom ISDv4 97", 26202, 16325, 511, 0,
4542           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4543 static const struct wacom_features wacom_features_0x9A =
4544         { "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4545           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4546 static const struct wacom_features wacom_features_0x9F =
4547         { "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4548           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4549 static const struct wacom_features wacom_features_0xE2 =
4550         { "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4551           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4552 static const struct wacom_features wacom_features_0xE3 =
4553         { "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4554           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4555 static const struct wacom_features wacom_features_0xE5 =
4556         { "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4557           MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4558 static const struct wacom_features wacom_features_0xE6 =
4559         { "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4560           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4561 static const struct wacom_features wacom_features_0xEC =
4562         { "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4563           TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4564 static const struct wacom_features wacom_features_0xED =
4565         { "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4566           TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4567 static const struct wacom_features wacom_features_0xEF =
4568         { "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4569           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4570 static const struct wacom_features wacom_features_0x100 =
4571         { "Wacom ISDv4 100", 26202, 16325, 255, 0,
4572           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4573 static const struct wacom_features wacom_features_0x101 =
4574         { "Wacom ISDv4 101", 26202, 16325, 255, 0,
4575           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4576 static const struct wacom_features wacom_features_0x10D =
4577         { "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4578           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4579 static const struct wacom_features wacom_features_0x10E =
4580         { "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4581           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4582 static const struct wacom_features wacom_features_0x10F =
4583         { "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4584           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4585 static const struct wacom_features wacom_features_0x116 =
4586         { "Wacom ISDv4 116", 26202, 16325, 255, 0,
4587           TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4588 static const struct wacom_features wacom_features_0x12C =
4589         { "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4590           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4591 static const struct wacom_features wacom_features_0x4001 =
4592         { "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4593           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4594 static const struct wacom_features wacom_features_0x4004 =
4595         { "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4596           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4597 static const struct wacom_features wacom_features_0x5000 =
4598         { "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4599           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4600 static const struct wacom_features wacom_features_0x5002 =
4601         { "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4602           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4603 static const struct wacom_features wacom_features_0x47 =
4604         { "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4605           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4606 static const struct wacom_features wacom_features_0x84 =
4607         { "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4608 static const struct wacom_features wacom_features_0xD0 =
4609         { "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4610           BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4611 static const struct wacom_features wacom_features_0xD1 =
4612         { "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4613           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4614 static const struct wacom_features wacom_features_0xD2 =
4615         { "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4616           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4617 static const struct wacom_features wacom_features_0xD3 =
4618         { "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4619           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4620 static const struct wacom_features wacom_features_0xD4 =
4621         { "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4622           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4623 static const struct wacom_features wacom_features_0xD5 =
4624         { "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4625           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4626 static const struct wacom_features wacom_features_0xD6 =
4627         { "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4628           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4629 static const struct wacom_features wacom_features_0xD7 =
4630         { "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4631           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4632 static const struct wacom_features wacom_features_0xD8 =
4633         { "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4634           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4635 static const struct wacom_features wacom_features_0xDA =
4636         { "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4637           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4638 static const struct wacom_features wacom_features_0xDB =
4639         { "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4640           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4641 static const struct wacom_features wacom_features_0xDD =
4642         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4643           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4644 static const struct wacom_features wacom_features_0xDE =
4645         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4646           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4647 static const struct wacom_features wacom_features_0xDF =
4648         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4649           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4650 static const struct wacom_features wacom_features_0x300 =
4651         { "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4652           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4653 static const struct wacom_features wacom_features_0x301 =
4654         { "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4655           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4656 static const struct wacom_features wacom_features_0x302 =
4657         { "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4658           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4659           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4660 static const struct wacom_features wacom_features_0x303 =
4661         { "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4662           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4663           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4664 static const struct wacom_features wacom_features_0x30E =
4665         { "Wacom Intuos S", 15200, 9500, 1023, 31,
4666           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4667           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4668 static const struct wacom_features wacom_features_0x6004 =
4669         { "ISD-V4", 12800, 8000, 255, 0,
4670           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4671 static const struct wacom_features wacom_features_0x307 =
4672         { "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4673           CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4674           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4675           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4676           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4677 static const struct wacom_features wacom_features_0x309 =
4678         { "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4679           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4680           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4681 static const struct wacom_features wacom_features_0x30A =
4682         { "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4683           CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4684           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4685           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4686           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4687 static const struct wacom_features wacom_features_0x30C =
4688         { "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4689           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4690           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4691 static const struct wacom_features wacom_features_0x318 =
4692         { "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4693           .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4694 static const struct wacom_features wacom_features_0x319 =
4695         { "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4696           .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4697 static const struct wacom_features wacom_features_0x325 =
4698         { "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4699           CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4700           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4701           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4702           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4703 static const struct wacom_features wacom_features_0x326 = /* Touch */
4704         { "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4705           .oPid = 0x325 };
4706 static const struct wacom_features wacom_features_0x323 =
4707         { "Wacom Intuos P M", 21600, 13500, 1023, 31,
4708           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4709           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4710 static const struct wacom_features wacom_features_0x331 =
4711         { "Wacom Express Key Remote", .type = REMOTE,
4712           .numbered_buttons = 18, .check_for_hid_type = true,
4713           .hid_type = HID_TYPE_USBNONE };
4714 static const struct wacom_features wacom_features_0x33B =
4715         { "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4716           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4717           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4718 static const struct wacom_features wacom_features_0x33C =
4719         { "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4720           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4721           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4722 static const struct wacom_features wacom_features_0x33D =
4723         { "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4724           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4725           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4726 static const struct wacom_features wacom_features_0x33E =
4727         { "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4728           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4729           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4730 static const struct wacom_features wacom_features_0x343 =
4731         { "Wacom DTK1651", 34816, 19759, 1023, 0,
4732           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4733           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4734           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4735 static const struct wacom_features wacom_features_0x360 =
4736         { "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4737           INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4738 static const struct wacom_features wacom_features_0x361 =
4739         { "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4740           INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4741 static const struct wacom_features wacom_features_0x377 =
4742         { "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4743           INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4744 static const struct wacom_features wacom_features_0x379 =
4745         { "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4746           INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4747 static const struct wacom_features wacom_features_0x37A =
4748         { "Wacom One by Wacom S", 15200, 9500, 2047, 63,
4749           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4750 static const struct wacom_features wacom_features_0x37B =
4751         { "Wacom One by Wacom M", 21600, 13500, 2047, 63,
4752           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4753 static const struct wacom_features wacom_features_0x393 =
4754         { "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4755           INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4756           .touch_max = 10 };
4757
4758 static const struct wacom_features wacom_features_HID_ANY_ID =
4759         { "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4760
4761 #define USB_DEVICE_WACOM(prod)                                          \
4762         HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4763         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4764
4765 #define BT_DEVICE_WACOM(prod)                                           \
4766         HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4767         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4768
4769 #define I2C_DEVICE_WACOM(prod)                                          \
4770         HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4771         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4772
4773 #define USB_DEVICE_LENOVO(prod)                                 \
4774         HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),                     \
4775         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4776
4777 const struct hid_device_id wacom_ids[] = {
4778         { USB_DEVICE_WACOM(0x00) },
4779         { USB_DEVICE_WACOM(0x03) },
4780         { USB_DEVICE_WACOM(0x10) },
4781         { USB_DEVICE_WACOM(0x11) },
4782         { USB_DEVICE_WACOM(0x12) },
4783         { USB_DEVICE_WACOM(0x13) },
4784         { USB_DEVICE_WACOM(0x14) },
4785         { USB_DEVICE_WACOM(0x15) },
4786         { USB_DEVICE_WACOM(0x16) },
4787         { USB_DEVICE_WACOM(0x17) },
4788         { USB_DEVICE_WACOM(0x18) },
4789         { USB_DEVICE_WACOM(0x19) },
4790         { USB_DEVICE_WACOM(0x20) },
4791         { USB_DEVICE_WACOM(0x21) },
4792         { USB_DEVICE_WACOM(0x22) },
4793         { USB_DEVICE_WACOM(0x23) },
4794         { USB_DEVICE_WACOM(0x24) },
4795         { USB_DEVICE_WACOM(0x26) },
4796         { USB_DEVICE_WACOM(0x27) },
4797         { USB_DEVICE_WACOM(0x28) },
4798         { USB_DEVICE_WACOM(0x29) },
4799         { USB_DEVICE_WACOM(0x2A) },
4800         { USB_DEVICE_WACOM(0x30) },
4801         { USB_DEVICE_WACOM(0x31) },
4802         { USB_DEVICE_WACOM(0x32) },
4803         { USB_DEVICE_WACOM(0x33) },
4804         { USB_DEVICE_WACOM(0x34) },
4805         { USB_DEVICE_WACOM(0x35) },
4806         { USB_DEVICE_WACOM(0x37) },
4807         { USB_DEVICE_WACOM(0x38) },
4808         { USB_DEVICE_WACOM(0x39) },
4809         { USB_DEVICE_WACOM(0x3F) },
4810         { USB_DEVICE_WACOM(0x41) },
4811         { USB_DEVICE_WACOM(0x42) },
4812         { USB_DEVICE_WACOM(0x43) },
4813         { USB_DEVICE_WACOM(0x44) },
4814         { USB_DEVICE_WACOM(0x45) },
4815         { USB_DEVICE_WACOM(0x47) },
4816         { USB_DEVICE_WACOM(0x57) },
4817         { USB_DEVICE_WACOM(0x59) },
4818         { USB_DEVICE_WACOM(0x5B) },
4819         { USB_DEVICE_WACOM(0x5D) },
4820         { USB_DEVICE_WACOM(0x5E) },
4821         { USB_DEVICE_WACOM(0x60) },
4822         { USB_DEVICE_WACOM(0x61) },
4823         { USB_DEVICE_WACOM(0x62) },
4824         { USB_DEVICE_WACOM(0x63) },
4825         { USB_DEVICE_WACOM(0x64) },
4826         { USB_DEVICE_WACOM(0x65) },
4827         { USB_DEVICE_WACOM(0x69) },
4828         { USB_DEVICE_WACOM(0x6A) },
4829         { USB_DEVICE_WACOM(0x6B) },
4830         { BT_DEVICE_WACOM(0x81) },
4831         { USB_DEVICE_WACOM(0x84) },
4832         { USB_DEVICE_WACOM(0x90) },
4833         { USB_DEVICE_WACOM(0x93) },
4834         { USB_DEVICE_WACOM(0x97) },
4835         { USB_DEVICE_WACOM(0x9A) },
4836         { USB_DEVICE_WACOM(0x9F) },
4837         { USB_DEVICE_WACOM(0xB0) },
4838         { USB_DEVICE_WACOM(0xB1) },
4839         { USB_DEVICE_WACOM(0xB2) },
4840         { USB_DEVICE_WACOM(0xB3) },
4841         { USB_DEVICE_WACOM(0xB4) },
4842         { USB_DEVICE_WACOM(0xB5) },
4843         { USB_DEVICE_WACOM(0xB7) },
4844         { USB_DEVICE_WACOM(0xB8) },
4845         { USB_DEVICE_WACOM(0xB9) },
4846         { USB_DEVICE_WACOM(0xBA) },
4847         { USB_DEVICE_WACOM(0xBB) },
4848         { USB_DEVICE_WACOM(0xBC) },
4849         { BT_DEVICE_WACOM(0xBD) },
4850         { USB_DEVICE_WACOM(0xC0) },
4851         { USB_DEVICE_WACOM(0xC2) },
4852         { USB_DEVICE_WACOM(0xC4) },
4853         { USB_DEVICE_WACOM(0xC5) },
4854         { USB_DEVICE_WACOM(0xC6) },
4855         { USB_DEVICE_WACOM(0xC7) },
4856         { USB_DEVICE_WACOM(0xCC) },
4857         { USB_DEVICE_WACOM(0xCE) },
4858         { USB_DEVICE_WACOM(0xD0) },
4859         { USB_DEVICE_WACOM(0xD1) },
4860         { USB_DEVICE_WACOM(0xD2) },
4861         { USB_DEVICE_WACOM(0xD3) },
4862         { USB_DEVICE_WACOM(0xD4) },
4863         { USB_DEVICE_WACOM(0xD5) },
4864         { USB_DEVICE_WACOM(0xD6) },
4865         { USB_DEVICE_WACOM(0xD7) },
4866         { USB_DEVICE_WACOM(0xD8) },
4867         { USB_DEVICE_WACOM(0xDA) },
4868         { USB_DEVICE_WACOM(0xDB) },
4869         { USB_DEVICE_WACOM(0xDD) },
4870         { USB_DEVICE_WACOM(0xDE) },
4871         { USB_DEVICE_WACOM(0xDF) },
4872         { USB_DEVICE_WACOM(0xE2) },
4873         { USB_DEVICE_WACOM(0xE3) },
4874         { USB_DEVICE_WACOM(0xE5) },
4875         { USB_DEVICE_WACOM(0xE6) },
4876         { USB_DEVICE_WACOM(0xEC) },
4877         { USB_DEVICE_WACOM(0xED) },
4878         { USB_DEVICE_WACOM(0xEF) },
4879         { USB_DEVICE_WACOM(0xF0) },
4880         { USB_DEVICE_WACOM(0xF4) },
4881         { USB_DEVICE_WACOM(0xF6) },
4882         { USB_DEVICE_WACOM(0xF8) },
4883         { USB_DEVICE_WACOM(0xFA) },
4884         { USB_DEVICE_WACOM(0xFB) },
4885         { USB_DEVICE_WACOM(0x100) },
4886         { USB_DEVICE_WACOM(0x101) },
4887         { USB_DEVICE_WACOM(0x10D) },
4888         { USB_DEVICE_WACOM(0x10E) },
4889         { USB_DEVICE_WACOM(0x10F) },
4890         { USB_DEVICE_WACOM(0x116) },
4891         { USB_DEVICE_WACOM(0x12C) },
4892         { USB_DEVICE_WACOM(0x300) },
4893         { USB_DEVICE_WACOM(0x301) },
4894         { USB_DEVICE_WACOM(0x302) },
4895         { USB_DEVICE_WACOM(0x303) },
4896         { USB_DEVICE_WACOM(0x304) },
4897         { USB_DEVICE_WACOM(0x307) },
4898         { USB_DEVICE_WACOM(0x309) },
4899         { USB_DEVICE_WACOM(0x30A) },
4900         { USB_DEVICE_WACOM(0x30C) },
4901         { USB_DEVICE_WACOM(0x30E) },
4902         { USB_DEVICE_WACOM(0x314) },
4903         { USB_DEVICE_WACOM(0x315) },
4904         { USB_DEVICE_WACOM(0x317) },
4905         { USB_DEVICE_WACOM(0x318) },
4906         { USB_DEVICE_WACOM(0x319) },
4907         { USB_DEVICE_WACOM(0x323) },
4908         { USB_DEVICE_WACOM(0x325) },
4909         { USB_DEVICE_WACOM(0x326) },
4910         { USB_DEVICE_WACOM(0x32A) },
4911         { USB_DEVICE_WACOM(0x32B) },
4912         { USB_DEVICE_WACOM(0x32C) },
4913         { USB_DEVICE_WACOM(0x32F) },
4914         { USB_DEVICE_WACOM(0x331) },
4915         { USB_DEVICE_WACOM(0x333) },
4916         { USB_DEVICE_WACOM(0x335) },
4917         { USB_DEVICE_WACOM(0x336) },
4918         { USB_DEVICE_WACOM(0x33B) },
4919         { USB_DEVICE_WACOM(0x33C) },
4920         { USB_DEVICE_WACOM(0x33D) },
4921         { USB_DEVICE_WACOM(0x33E) },
4922         { USB_DEVICE_WACOM(0x343) },
4923         { BT_DEVICE_WACOM(0x360) },
4924         { BT_DEVICE_WACOM(0x361) },
4925         { BT_DEVICE_WACOM(0x377) },
4926         { BT_DEVICE_WACOM(0x379) },
4927         { USB_DEVICE_WACOM(0x37A) },
4928         { USB_DEVICE_WACOM(0x37B) },
4929         { BT_DEVICE_WACOM(0x393) },
4930         { USB_DEVICE_WACOM(0x4001) },
4931         { USB_DEVICE_WACOM(0x4004) },
4932         { USB_DEVICE_WACOM(0x5000) },
4933         { USB_DEVICE_WACOM(0x5002) },
4934         { USB_DEVICE_LENOVO(0x6004) },
4935
4936         { USB_DEVICE_WACOM(HID_ANY_ID) },
4937         { I2C_DEVICE_WACOM(HID_ANY_ID) },
4938         { BT_DEVICE_WACOM(HID_ANY_ID) },
4939         { }
4940 };
4941 MODULE_DEVICE_TABLE(hid, wacom_ids);