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                                 fallthrough;
 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                 fallthrough;
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         int nbuttons = wacom->features.numbered_buttons;
1431
1432         int expresskeys = data[282];
1433         int center = (data[281] & 0x40) >> 6;
1434         int ring = data[285] & 0x7F;
1435         bool ringstatus = data[285] & 0x80;
1436         bool prox = expresskeys || center || ringstatus;
1437
1438         /* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1439         ring = 71 - ring;
1440         ring += 3*72/16;
1441         if (ring > 71)
1442                 ring -= 72;
1443
1444         wacom_report_numbered_buttons(pad_input, nbuttons,
1445                                       expresskeys | (center << (nbuttons - 1)));
1446
1447         input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1448
1449         input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1450         input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1451         input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1452
1453         input_sync(pad_input);
1454 }
1455
1456 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1457 {
1458         unsigned char *data = wacom->data;
1459
1460         bool chg = data[284] & 0x80;
1461         int battery_status = data[284] & 0x7F;
1462
1463         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1464                              battery_status, chg, 1, chg);
1465 }
1466
1467 static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
1468 {
1469         struct input_dev *pad_input = wacom->pad_input;
1470         unsigned char *data = wacom->data;
1471
1472         int buttons = data[44];
1473
1474         wacom_report_numbered_buttons(pad_input, 4, buttons);
1475
1476         input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
1477         input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
1478         input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1479
1480         input_sync(pad_input);
1481 }
1482
1483 static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
1484 {
1485         unsigned char *data = wacom->data;
1486
1487         bool chg = data[45] & 0x80;
1488         int battery_status = data[45] & 0x7F;
1489
1490         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1491                              battery_status, chg, 1, chg);
1492 }
1493
1494 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1495 {
1496         unsigned char *data = wacom->data;
1497
1498         if (data[0] != 0x80 && data[0] != 0x81) {
1499                 dev_dbg(wacom->pen_input->dev.parent,
1500                         "%s: received unknown report #%d\n", __func__, data[0]);
1501                 return 0;
1502         }
1503
1504         wacom_intuos_pro2_bt_pen(wacom);
1505         if (wacom->features.type == INTUOSP2_BT ||
1506             wacom->features.type == INTUOSP2S_BT) {
1507                 wacom_intuos_pro2_bt_touch(wacom);
1508                 wacom_intuos_pro2_bt_pad(wacom);
1509                 wacom_intuos_pro2_bt_battery(wacom);
1510         } else {
1511                 wacom_intuos_gen3_bt_pad(wacom);
1512                 wacom_intuos_gen3_bt_battery(wacom);
1513         }
1514         return 0;
1515 }
1516
1517 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1518 {
1519         struct input_dev *input = wacom->touch_input;
1520         unsigned char *data = wacom->data;
1521         int i;
1522         int current_num_contacts = data[61];
1523         int contacts_to_send = 0;
1524         int num_contacts_left = 4; /* maximum contacts per packet */
1525         int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1526         int y_offset = 2;
1527
1528         if (wacom->shared->has_mute_touch_switch &&
1529             !wacom->shared->is_touch_on) {
1530                 if (!wacom->shared->touch_down)
1531                         return 0;
1532         }
1533
1534         if (wacom->features.type == WACOM_27QHDT) {
1535                 current_num_contacts = data[63];
1536                 num_contacts_left = 10;
1537                 byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1538                 y_offset = 0;
1539         }
1540
1541         /*
1542          * First packet resets the counter since only the first
1543          * packet in series will have non-zero current_num_contacts.
1544          */
1545         if (current_num_contacts)
1546                 wacom->num_contacts_left = current_num_contacts;
1547
1548         contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1549
1550         for (i = 0; i < contacts_to_send; i++) {
1551                 int offset = (byte_per_packet * i) + 1;
1552                 bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1553                 int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1554
1555                 if (slot < 0)
1556                         continue;
1557                 input_mt_slot(input, slot);
1558                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1559
1560                 if (touch) {
1561                         int t_x = get_unaligned_le16(&data[offset + 2]);
1562                         int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1563
1564                         input_report_abs(input, ABS_MT_POSITION_X, t_x);
1565                         input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1566
1567                         if (wacom->features.type != WACOM_27QHDT) {
1568                                 int c_x = get_unaligned_le16(&data[offset + 4]);
1569                                 int c_y = get_unaligned_le16(&data[offset + 8]);
1570                                 int w = get_unaligned_le16(&data[offset + 10]);
1571                                 int h = get_unaligned_le16(&data[offset + 12]);
1572
1573                                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1574                                 input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1575                                                  min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1576                                 input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1577                                 input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1578                         }
1579                 }
1580         }
1581         input_mt_sync_frame(input);
1582
1583         wacom->num_contacts_left -= contacts_to_send;
1584         if (wacom->num_contacts_left <= 0) {
1585                 wacom->num_contacts_left = 0;
1586                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1587         }
1588         return 1;
1589 }
1590
1591 static int wacom_mt_touch(struct wacom_wac *wacom)
1592 {
1593         struct input_dev *input = wacom->touch_input;
1594         unsigned char *data = wacom->data;
1595         int i;
1596         int current_num_contacts = data[2];
1597         int contacts_to_send = 0;
1598         int x_offset = 0;
1599
1600         /* MTTPC does not support Height and Width */
1601         if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1602                 x_offset = -4;
1603
1604         /*
1605          * First packet resets the counter since only the first
1606          * packet in series will have non-zero current_num_contacts.
1607          */
1608         if (current_num_contacts)
1609                 wacom->num_contacts_left = current_num_contacts;
1610
1611         /* There are at most 5 contacts per packet */
1612         contacts_to_send = min(5, wacom->num_contacts_left);
1613
1614         for (i = 0; i < contacts_to_send; i++) {
1615                 int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1616                 bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1617                 int id = get_unaligned_le16(&data[offset + 1]);
1618                 int slot = input_mt_get_slot_by_key(input, id);
1619
1620                 if (slot < 0)
1621                         continue;
1622
1623                 input_mt_slot(input, slot);
1624                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1625                 if (touch) {
1626                         int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1627                         int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1628                         input_report_abs(input, ABS_MT_POSITION_X, x);
1629                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1630                 }
1631         }
1632         input_mt_sync_frame(input);
1633
1634         wacom->num_contacts_left -= contacts_to_send;
1635         if (wacom->num_contacts_left <= 0) {
1636                 wacom->num_contacts_left = 0;
1637                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1638         }
1639         return 1;
1640 }
1641
1642 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1643 {
1644         struct input_dev *input = wacom->touch_input;
1645         unsigned char *data = wacom->data;
1646         int i;
1647
1648         for (i = 0; i < 2; i++) {
1649                 int p = data[1] & (1 << i);
1650                 bool touch = p && report_touch_events(wacom);
1651
1652                 input_mt_slot(input, i);
1653                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1654                 if (touch) {
1655                         int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1656                         int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1657
1658                         input_report_abs(input, ABS_MT_POSITION_X, x);
1659                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1660                 }
1661         }
1662         input_mt_sync_frame(input);
1663
1664         /* keep touch state for pen event */
1665         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1666
1667         return 1;
1668 }
1669
1670 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1671 {
1672         unsigned char *data = wacom->data;
1673         struct input_dev *input = wacom->touch_input;
1674         bool prox = report_touch_events(wacom);
1675         int x = 0, y = 0;
1676
1677         if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1678                 return 0;
1679
1680         if (len == WACOM_PKGLEN_TPC1FG) {
1681                 prox = prox && (data[0] & 0x01);
1682                 x = get_unaligned_le16(&data[1]);
1683                 y = get_unaligned_le16(&data[3]);
1684         } else if (len == WACOM_PKGLEN_TPC1FG_B) {
1685                 prox = prox && (data[2] & 0x01);
1686                 x = get_unaligned_le16(&data[3]);
1687                 y = get_unaligned_le16(&data[5]);
1688         } else {
1689                 prox = prox && (data[1] & 0x01);
1690                 x = le16_to_cpup((__le16 *)&data[2]);
1691                 y = le16_to_cpup((__le16 *)&data[4]);
1692         }
1693
1694         if (prox) {
1695                 input_report_abs(input, ABS_X, x);
1696                 input_report_abs(input, ABS_Y, y);
1697         }
1698         input_report_key(input, BTN_TOUCH, prox);
1699
1700         /* keep touch state for pen events */
1701         wacom->shared->touch_down = prox;
1702
1703         return 1;
1704 }
1705
1706 static int wacom_tpc_pen(struct wacom_wac *wacom)
1707 {
1708         unsigned char *data = wacom->data;
1709         struct input_dev *input = wacom->pen_input;
1710         bool prox = data[1] & 0x20;
1711
1712         if (!wacom->shared->stylus_in_proximity) /* first in prox */
1713                 /* Going into proximity select tool */
1714                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1715
1716         /* keep pen state for touch events */
1717         wacom->shared->stylus_in_proximity = prox;
1718
1719         /* send pen events only when touch is up or forced out
1720          * or touch arbitration is off
1721          */
1722         if (!delay_pen_events(wacom)) {
1723                 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1724                 input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1725                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1726                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1727                 input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1728                 input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1729                 input_report_key(input, wacom->tool[0], prox);
1730                 return 1;
1731         }
1732
1733         return 0;
1734 }
1735
1736 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1737 {
1738         unsigned char *data = wacom->data;
1739
1740         if (wacom->pen_input) {
1741                 dev_dbg(wacom->pen_input->dev.parent,
1742                         "%s: received report #%d\n", __func__, data[0]);
1743
1744                 if (len == WACOM_PKGLEN_PENABLED ||
1745                     data[0] == WACOM_REPORT_PENABLED)
1746                         return wacom_tpc_pen(wacom);
1747         }
1748         else if (wacom->touch_input) {
1749                 dev_dbg(wacom->touch_input->dev.parent,
1750                         "%s: received report #%d\n", __func__, data[0]);
1751
1752                 switch (len) {
1753                 case WACOM_PKGLEN_TPC1FG:
1754                         return wacom_tpc_single_touch(wacom, len);
1755
1756                 case WACOM_PKGLEN_TPC2FG:
1757                         return wacom_tpc_mt_touch(wacom);
1758
1759                 default:
1760                         switch (data[0]) {
1761                         case WACOM_REPORT_TPC1FG:
1762                         case WACOM_REPORT_TPCHID:
1763                         case WACOM_REPORT_TPCST:
1764                         case WACOM_REPORT_TPC1FGE:
1765                                 return wacom_tpc_single_touch(wacom, len);
1766
1767                         case WACOM_REPORT_TPCMT:
1768                         case WACOM_REPORT_TPCMT2:
1769                                 return wacom_mt_touch(wacom);
1770
1771                         }
1772                 }
1773         }
1774
1775         return 0;
1776 }
1777
1778 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1779                                  int value, int num, int denom)
1780 {
1781         struct input_absinfo *abs = &input->absinfo[usage->code];
1782         int range = (abs->maximum - abs->minimum + 1);
1783
1784         value += num*range/denom;
1785         if (value > abs->maximum)
1786                 value -= range;
1787         else if (value < abs->minimum)
1788                 value += range;
1789         return value;
1790 }
1791
1792 int wacom_equivalent_usage(int usage)
1793 {
1794         if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1795                 int subpage = (usage & 0xFF00) << 8;
1796                 int subusage = (usage & 0xFF);
1797
1798                 if (subpage == WACOM_HID_SP_PAD ||
1799                     subpage == WACOM_HID_SP_BUTTON ||
1800                     subpage == WACOM_HID_SP_DIGITIZER ||
1801                     subpage == WACOM_HID_SP_DIGITIZERINFO ||
1802                     usage == WACOM_HID_WD_SENSE ||
1803                     usage == WACOM_HID_WD_SERIALHI ||
1804                     usage == WACOM_HID_WD_TOOLTYPE ||
1805                     usage == WACOM_HID_WD_DISTANCE ||
1806                     usage == WACOM_HID_WD_TOUCHSTRIP ||
1807                     usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1808                     usage == WACOM_HID_WD_TOUCHRING ||
1809                     usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
1810                     usage == WACOM_HID_WD_REPORT_VALID) {
1811                         return usage;
1812                 }
1813
1814                 if (subpage == HID_UP_UNDEFINED)
1815                         subpage = HID_UP_DIGITIZER;
1816
1817                 return subpage | subusage;
1818         }
1819
1820         if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1821                 int subpage = (usage & 0xFF00) << 8;
1822                 int subusage = (usage & 0xFF);
1823
1824                 if (usage == WACOM_HID_WT_REPORT_VALID)
1825                         return usage;
1826
1827                 if (subpage == HID_UP_UNDEFINED)
1828                         subpage = WACOM_HID_SP_DIGITIZER;
1829
1830                 return subpage | subusage;
1831         }
1832
1833         return usage;
1834 }
1835
1836 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1837                 struct hid_field *field, __u8 type, __u16 code, int fuzz)
1838 {
1839         struct wacom *wacom = input_get_drvdata(input);
1840         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1841         struct wacom_features *features = &wacom_wac->features;
1842         int fmin = field->logical_minimum;
1843         int fmax = field->logical_maximum;
1844         unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1845         int resolution_code = code;
1846
1847         if (equivalent_usage == HID_DG_TWIST) {
1848                 resolution_code = ABS_RZ;
1849         }
1850
1851         if (equivalent_usage == HID_GD_X) {
1852                 fmin += features->offset_left;
1853                 fmax -= features->offset_right;
1854         }
1855         if (equivalent_usage == HID_GD_Y) {
1856                 fmin += features->offset_top;
1857                 fmax -= features->offset_bottom;
1858         }
1859
1860         usage->type = type;
1861         usage->code = code;
1862
1863         set_bit(type, input->evbit);
1864
1865         switch (type) {
1866         case EV_ABS:
1867                 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1868                 input_abs_set_res(input, code,
1869                                   hidinput_calc_abs_res(field, resolution_code));
1870                 break;
1871         case EV_KEY:
1872                 input_set_capability(input, EV_KEY, code);
1873                 break;
1874         case EV_MSC:
1875                 input_set_capability(input, EV_MSC, code);
1876                 break;
1877         case EV_SW:
1878                 input_set_capability(input, EV_SW, code);
1879                 break;
1880         }
1881 }
1882
1883 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1884                 struct hid_field *field, struct hid_usage *usage)
1885 {
1886         struct wacom *wacom = hid_get_drvdata(hdev);
1887         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1888         struct wacom_features *features = &wacom_wac->features;
1889         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1890
1891         switch (equivalent_usage) {
1892         case HID_DG_BATTERYSTRENGTH:
1893         case WACOM_HID_WD_BATTERY_LEVEL:
1894         case WACOM_HID_WD_BATTERY_CHARGING:
1895                 features->quirks |= WACOM_QUIRK_BATTERY;
1896                 break;
1897         }
1898 }
1899
1900 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1901                 struct hid_usage *usage, __s32 value)
1902 {
1903         struct wacom *wacom = hid_get_drvdata(hdev);
1904         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1905         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1906
1907         switch (equivalent_usage) {
1908         case HID_DG_BATTERYSTRENGTH:
1909                 if (value == 0) {
1910                         wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1911                 }
1912                 else {
1913                         value = value * 100 / (field->logical_maximum - field->logical_minimum);
1914                         wacom_wac->hid_data.battery_capacity = value;
1915                         wacom_wac->hid_data.bat_connected = 1;
1916                         wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1917                 }
1918                 break;
1919         case WACOM_HID_WD_BATTERY_LEVEL:
1920                 value = value * 100 / (field->logical_maximum - field->logical_minimum);
1921                 wacom_wac->hid_data.battery_capacity = value;
1922                 wacom_wac->hid_data.bat_connected = 1;
1923                 wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1924                 break;
1925         case WACOM_HID_WD_BATTERY_CHARGING:
1926                 wacom_wac->hid_data.bat_charging = value;
1927                 wacom_wac->hid_data.ps_connected = value;
1928                 wacom_wac->hid_data.bat_connected = 1;
1929                 wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1930                 break;
1931         }
1932 }
1933
1934 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
1935                 struct hid_report *report)
1936 {
1937         return;
1938 }
1939
1940 static void wacom_wac_battery_report(struct hid_device *hdev,
1941                 struct hid_report *report)
1942 {
1943         struct wacom *wacom = hid_get_drvdata(hdev);
1944         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1945         struct wacom_features *features = &wacom_wac->features;
1946
1947         if (features->quirks & WACOM_QUIRK_BATTERY) {
1948                 int status = wacom_wac->hid_data.bat_status;
1949                 int capacity = wacom_wac->hid_data.battery_capacity;
1950                 bool charging = wacom_wac->hid_data.bat_charging;
1951                 bool connected = wacom_wac->hid_data.bat_connected;
1952                 bool powered = wacom_wac->hid_data.ps_connected;
1953
1954                 wacom_notify_battery(wacom_wac, status, capacity, charging,
1955                                      connected, powered);
1956         }
1957 }
1958
1959 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1960                 struct hid_field *field, struct hid_usage *usage)
1961 {
1962         struct wacom *wacom = hid_get_drvdata(hdev);
1963         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1964         struct wacom_features *features = &wacom_wac->features;
1965         struct input_dev *input = wacom_wac->pad_input;
1966         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1967
1968         switch (equivalent_usage) {
1969         case WACOM_HID_WD_ACCELEROMETER_X:
1970                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1971                 wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1972                 features->device_type |= WACOM_DEVICETYPE_PAD;
1973                 break;
1974         case WACOM_HID_WD_ACCELEROMETER_Y:
1975                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1976                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1977                 features->device_type |= WACOM_DEVICETYPE_PAD;
1978                 break;
1979         case WACOM_HID_WD_ACCELEROMETER_Z:
1980                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1981                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1982                 features->device_type |= WACOM_DEVICETYPE_PAD;
1983                 break;
1984         case WACOM_HID_WD_BUTTONCENTER:
1985         case WACOM_HID_WD_BUTTONHOME:
1986         case WACOM_HID_WD_BUTTONUP:
1987         case WACOM_HID_WD_BUTTONDOWN:
1988         case WACOM_HID_WD_BUTTONLEFT:
1989         case WACOM_HID_WD_BUTTONRIGHT:
1990                 wacom_map_usage(input, usage, field, EV_KEY,
1991                                 wacom_numbered_button_to_key(features->numbered_buttons),
1992                                 0);
1993                 features->numbered_buttons++;
1994                 features->device_type |= WACOM_DEVICETYPE_PAD;
1995                 break;
1996         case WACOM_HID_WD_TOUCHONOFF:
1997         case WACOM_HID_WD_MUTE_DEVICE:
1998                 /*
1999                  * This usage, which is used to mute touch events, comes
2000                  * from the pad packet, but is reported on the touch
2001                  * interface. Because the touch interface may not have
2002                  * been created yet, we cannot call wacom_map_usage(). In
2003                  * order to process this usage when we receive it, we set
2004                  * the usage type and code directly.
2005                  */
2006                 wacom_wac->has_mute_touch_switch = true;
2007                 usage->type = EV_SW;
2008                 usage->code = SW_MUTE_DEVICE;
2009                 features->device_type |= WACOM_DEVICETYPE_PAD;
2010                 break;
2011         case WACOM_HID_WD_TOUCHSTRIP:
2012                 wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
2013                 features->device_type |= WACOM_DEVICETYPE_PAD;
2014                 break;
2015         case WACOM_HID_WD_TOUCHSTRIP2:
2016                 wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
2017                 features->device_type |= WACOM_DEVICETYPE_PAD;
2018                 break;
2019         case WACOM_HID_WD_TOUCHRING:
2020                 wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2021                 features->device_type |= WACOM_DEVICETYPE_PAD;
2022                 break;
2023         case WACOM_HID_WD_TOUCHRINGSTATUS:
2024                 /*
2025                  * Only set up type/code association. Completely mapping
2026                  * this usage may overwrite the axis resolution and range.
2027                  */
2028                 usage->type = EV_ABS;
2029                 usage->code = ABS_WHEEL;
2030                 set_bit(EV_ABS, input->evbit);
2031                 features->device_type |= WACOM_DEVICETYPE_PAD;
2032                 break;
2033         case WACOM_HID_WD_BUTTONCONFIG:
2034                 wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
2035                 features->device_type |= WACOM_DEVICETYPE_PAD;
2036                 break;
2037         case WACOM_HID_WD_ONSCREEN_KEYBOARD:
2038                 wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
2039                 features->device_type |= WACOM_DEVICETYPE_PAD;
2040                 break;
2041         case WACOM_HID_WD_CONTROLPANEL:
2042                 wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
2043                 features->device_type |= WACOM_DEVICETYPE_PAD;
2044                 break;
2045         case WACOM_HID_WD_MODE_CHANGE:
2046                 /* do not overwrite previous data */
2047                 if (!wacom_wac->has_mode_change) {
2048                         wacom_wac->has_mode_change = true;
2049                         wacom_wac->is_direct_mode = true;
2050                 }
2051                 features->device_type |= WACOM_DEVICETYPE_PAD;
2052                 break;
2053         }
2054
2055         switch (equivalent_usage & 0xfffffff0) {
2056         case WACOM_HID_WD_EXPRESSKEY00:
2057                 wacom_map_usage(input, usage, field, EV_KEY,
2058                                 wacom_numbered_button_to_key(features->numbered_buttons),
2059                                 0);
2060                 features->numbered_buttons++;
2061                 features->device_type |= WACOM_DEVICETYPE_PAD;
2062                 break;
2063         }
2064 }
2065
2066 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
2067                 struct hid_usage *usage, __s32 value)
2068 {
2069         struct wacom *wacom = hid_get_drvdata(hdev);
2070         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2071         struct input_dev *input = wacom_wac->pad_input;
2072         struct wacom_features *features = &wacom_wac->features;
2073         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2074         int i;
2075         bool do_report = false;
2076
2077         /*
2078          * Avoid reporting this event and setting inrange_state if this usage
2079          * hasn't been mapped.
2080          */
2081         if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2082                 return;
2083
2084         if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2085                 if (usage->hid != WACOM_HID_WD_TOUCHRING)
2086                         wacom_wac->hid_data.inrange_state |= value;
2087         }
2088
2089         switch (equivalent_usage) {
2090         case WACOM_HID_WD_TOUCHRING:
2091                 /*
2092                  * Userspace expects touchrings to increase in value with
2093                  * clockwise gestures and have their zero point at the
2094                  * tablet's left. HID events "should" be clockwise-
2095                  * increasing and zero at top, though the MobileStudio
2096                  * Pro and 2nd-gen Intuos Pro don't do this...
2097                  */
2098                 if (hdev->vendor == 0x56a &&
2099                     (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2100                      hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
2101                      hdev->product == 0x392 ||                            /* Intuos Pro 2 */
2102                      hdev->product == 0x398 || hdev->product == 0x399 ||  /* MobileStudio Pro */
2103                      hdev->product == 0x3AA)) {                           /* MobileStudio Pro */
2104                         value = (field->logical_maximum - value);
2105
2106                         if (hdev->product == 0x357 || hdev->product == 0x358 ||
2107                             hdev->product == 0x392)
2108                                 value = wacom_offset_rotation(input, usage, value, 3, 16);
2109                         else if (hdev->product == 0x34d || hdev->product == 0x34e ||
2110                                  hdev->product == 0x398 || hdev->product == 0x399 ||
2111                                  hdev->product == 0x3AA)
2112                                 value = wacom_offset_rotation(input, usage, value, 1, 2);
2113                 }
2114                 else {
2115                         value = wacom_offset_rotation(input, usage, value, 1, 4);
2116                 }
2117                 do_report = true;
2118                 break;
2119         case WACOM_HID_WD_TOUCHRINGSTATUS:
2120                 if (!value)
2121                         input_event(input, usage->type, usage->code, 0);
2122                 break;
2123
2124         case WACOM_HID_WD_MUTE_DEVICE:
2125         case WACOM_HID_WD_TOUCHONOFF:
2126                 if (wacom_wac->shared->touch_input) {
2127                         bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2128
2129                         if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2130                                 *is_touch_on = !(*is_touch_on);
2131                         else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2132                                 *is_touch_on = value;
2133
2134                         input_report_switch(wacom_wac->shared->touch_input,
2135                                             SW_MUTE_DEVICE, !(*is_touch_on));
2136                         input_sync(wacom_wac->shared->touch_input);
2137                 }
2138                 break;
2139
2140         case WACOM_HID_WD_MODE_CHANGE:
2141                 if (wacom_wac->is_direct_mode != value) {
2142                         wacom_wac->is_direct_mode = value;
2143                         wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2144                 }
2145                 break;
2146
2147         case WACOM_HID_WD_BUTTONCENTER:
2148                 for (i = 0; i < wacom->led.count; i++)
2149                         wacom_update_led(wacom, features->numbered_buttons,
2150                                          value, i);
2151                 fallthrough;
2152         default:
2153                 do_report = true;
2154                 break;
2155         }
2156
2157         if (do_report) {
2158                 input_event(input, usage->type, usage->code, value);
2159                 if (value)
2160                         wacom_wac->hid_data.pad_input_event_flag = true;
2161         }
2162 }
2163
2164 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2165                 struct hid_report *report)
2166 {
2167         struct wacom *wacom = hid_get_drvdata(hdev);
2168         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2169
2170         wacom_wac->hid_data.inrange_state = 0;
2171 }
2172
2173 static void wacom_wac_pad_report(struct hid_device *hdev,
2174                 struct hid_report *report, struct hid_field *field)
2175 {
2176         struct wacom *wacom = hid_get_drvdata(hdev);
2177         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2178         struct input_dev *input = wacom_wac->pad_input;
2179         bool active = wacom_wac->hid_data.inrange_state != 0;
2180
2181         /* report prox for expresskey events */
2182         if (wacom_wac->hid_data.pad_input_event_flag) {
2183                 input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2184                 input_sync(input);
2185                 if (!active)
2186                         wacom_wac->hid_data.pad_input_event_flag = false;
2187         }
2188 }
2189
2190 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2191                 struct hid_field *field, struct hid_usage *usage)
2192 {
2193         struct wacom *wacom = hid_get_drvdata(hdev);
2194         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2195         struct wacom_features *features = &wacom_wac->features;
2196         struct input_dev *input = wacom_wac->pen_input;
2197         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2198
2199         switch (equivalent_usage) {
2200         case HID_GD_X:
2201                 wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2202                 break;
2203         case HID_GD_Y:
2204                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2205                 break;
2206         case WACOM_HID_WD_DISTANCE:
2207         case HID_GD_Z:
2208                 wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2209                 break;
2210         case HID_DG_TIPPRESSURE:
2211                 wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2212                 break;
2213         case HID_DG_INRANGE:
2214                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2215                 break;
2216         case HID_DG_INVERT:
2217                 wacom_map_usage(input, usage, field, EV_KEY,
2218                                 BTN_TOOL_RUBBER, 0);
2219                 break;
2220         case HID_DG_TILT_X:
2221                 wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2222                 break;
2223         case HID_DG_TILT_Y:
2224                 wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2225                 break;
2226         case HID_DG_TWIST:
2227                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2228                 break;
2229         case HID_DG_ERASER:
2230         case HID_DG_TIPSWITCH:
2231                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2232                 break;
2233         case HID_DG_BARRELSWITCH:
2234                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2235                 break;
2236         case HID_DG_BARRELSWITCH2:
2237                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2238                 break;
2239         case HID_DG_TOOLSERIALNUMBER:
2240                 features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2241                 wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2242                 break;
2243         case WACOM_HID_WD_SENSE:
2244                 features->quirks |= WACOM_QUIRK_SENSE;
2245                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2246                 break;
2247         case WACOM_HID_WD_SERIALHI:
2248                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2249
2250                 if (!(features->quirks & WACOM_QUIRK_AESPEN)) {
2251                         set_bit(EV_KEY, input->evbit);
2252                         input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2253                         input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2254                         input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH);
2255                         input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL);
2256                         input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2257                         if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) {
2258                                 input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE);
2259                                 input_set_capability(input, EV_KEY, BTN_TOOL_LENS);
2260                         }
2261                 }
2262                 break;
2263         case WACOM_HID_WD_FINGERWHEEL:
2264                 wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2265                 break;
2266         }
2267 }
2268
2269 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2270                 struct hid_usage *usage, __s32 value)
2271 {
2272         struct wacom *wacom = hid_get_drvdata(hdev);
2273         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2274         struct wacom_features *features = &wacom_wac->features;
2275         struct input_dev *input = wacom_wac->pen_input;
2276         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2277
2278         if (wacom_wac->is_invalid_bt_frame)
2279                 return;
2280
2281         switch (equivalent_usage) {
2282         case HID_GD_Z:
2283                 /*
2284                  * HID_GD_Z "should increase as the control's position is
2285                  * moved from high to low", while ABS_DISTANCE instead
2286                  * increases in value as the tool moves from low to high.
2287                  */
2288                 value = field->logical_maximum - value;
2289                 break;
2290         case HID_DG_INRANGE:
2291                 wacom_wac->hid_data.inrange_state = value;
2292                 if (!(features->quirks & WACOM_QUIRK_SENSE))
2293                         wacom_wac->hid_data.sense_state = value;
2294                 return;
2295         case HID_DG_INVERT:
2296                 wacom_wac->hid_data.invert_state = value;
2297                 return;
2298         case HID_DG_ERASER:
2299         case HID_DG_TIPSWITCH:
2300                 wacom_wac->hid_data.tipswitch |= value;
2301                 return;
2302         case HID_DG_BARRELSWITCH:
2303                 wacom_wac->hid_data.barrelswitch = value;
2304                 return;
2305         case HID_DG_BARRELSWITCH2:
2306                 wacom_wac->hid_data.barrelswitch2 = value;
2307                 return;
2308         case HID_DG_TOOLSERIALNUMBER:
2309                 if (value) {
2310                         wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2311                         wacom_wac->serial[0] |= wacom_s32tou(value, field->report_size);
2312                 }
2313                 return;
2314         case HID_DG_TWIST:
2315                 /*
2316                  * Userspace expects pen twist to have its zero point when
2317                  * the buttons/finger is on the tablet's left. HID values
2318                  * are zero when buttons are toward the top.
2319                  */
2320                 value = wacom_offset_rotation(input, usage, value, 1, 4);
2321                 break;
2322         case WACOM_HID_WD_SENSE:
2323                 wacom_wac->hid_data.sense_state = value;
2324                 return;
2325         case WACOM_HID_WD_SERIALHI:
2326                 if (value) {
2327                         __u32 raw_value = wacom_s32tou(value, field->report_size);
2328
2329                         wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2330                         wacom_wac->serial[0] |= ((__u64)raw_value) << 32;
2331                         /*
2332                          * Non-USI EMR devices may contain additional tool type
2333                          * information here. See WACOM_HID_WD_TOOLTYPE case for
2334                          * more details.
2335                          */
2336                         if (value >> 20 == 1) {
2337                                 wacom_wac->id[0] |= raw_value & 0xFFFFF;
2338                         }
2339                 }
2340                 return;
2341         case WACOM_HID_WD_TOOLTYPE:
2342                 /*
2343                  * Some devices (MobileStudio Pro, and possibly later
2344                  * devices as well) do not return the complete tool
2345                  * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2346                  * bitwise OR so the complete value can be built
2347                  * up over time :(
2348                  */
2349                 wacom_wac->id[0] |= wacom_s32tou(value, field->report_size);
2350                 return;
2351         case WACOM_HID_WD_OFFSETLEFT:
2352                 if (features->offset_left && value != features->offset_left)
2353                         hid_warn(hdev, "%s: overriding existing left offset "
2354                                  "%d -> %d\n", __func__, value,
2355                                  features->offset_left);
2356                 features->offset_left = value;
2357                 return;
2358         case WACOM_HID_WD_OFFSETRIGHT:
2359                 if (features->offset_right && value != features->offset_right)
2360                         hid_warn(hdev, "%s: overriding existing right offset "
2361                                  "%d -> %d\n", __func__, value,
2362                                  features->offset_right);
2363                 features->offset_right = value;
2364                 return;
2365         case WACOM_HID_WD_OFFSETTOP:
2366                 if (features->offset_top && value != features->offset_top)
2367                         hid_warn(hdev, "%s: overriding existing top offset "
2368                                  "%d -> %d\n", __func__, value,
2369                                  features->offset_top);
2370                 features->offset_top = value;
2371                 return;
2372         case WACOM_HID_WD_OFFSETBOTTOM:
2373                 if (features->offset_bottom && value != features->offset_bottom)
2374                         hid_warn(hdev, "%s: overriding existing bottom offset "
2375                                  "%d -> %d\n", __func__, value,
2376                                  features->offset_bottom);
2377                 features->offset_bottom = value;
2378                 return;
2379         case WACOM_HID_WD_REPORT_VALID:
2380                 wacom_wac->is_invalid_bt_frame = !value;
2381                 return;
2382         }
2383
2384         /* send pen events only when touch is up or forced out
2385          * or touch arbitration is off
2386          */
2387         if (!usage->type || delay_pen_events(wacom_wac))
2388                 return;
2389
2390         /* send pen events only when the pen is in range */
2391         if (wacom_wac->hid_data.inrange_state)
2392                 input_event(input, usage->type, usage->code, value);
2393         else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2394                 input_event(input, usage->type, usage->code, 0);
2395 }
2396
2397 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2398                 struct hid_report *report)
2399 {
2400         struct wacom *wacom = hid_get_drvdata(hdev);
2401         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2402
2403         wacom_wac->is_invalid_bt_frame = false;
2404         return;
2405 }
2406
2407 static void wacom_wac_pen_report(struct hid_device *hdev,
2408                 struct hid_report *report)
2409 {
2410         struct wacom *wacom = hid_get_drvdata(hdev);
2411         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2412         struct input_dev *input = wacom_wac->pen_input;
2413         bool range = wacom_wac->hid_data.inrange_state;
2414         bool sense = wacom_wac->hid_data.sense_state;
2415
2416         if (wacom_wac->is_invalid_bt_frame)
2417                 return;
2418
2419         if (!wacom_wac->tool[0] && range) { /* first in range */
2420                 /* Going into range select tool */
2421                 if (wacom_wac->hid_data.invert_state)
2422                         wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2423                 else if (wacom_wac->id[0])
2424                         wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2425                 else
2426                         wacom_wac->tool[0] = BTN_TOOL_PEN;
2427         }
2428
2429         /* keep pen state for touch events */
2430         wacom_wac->shared->stylus_in_proximity = sense;
2431
2432         if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2433                 int id = wacom_wac->id[0];
2434                 int sw_state = wacom_wac->hid_data.barrelswitch |
2435                                (wacom_wac->hid_data.barrelswitch2 << 1);
2436
2437                 input_report_key(input, BTN_STYLUS, sw_state == 1);
2438                 input_report_key(input, BTN_STYLUS2, sw_state == 2);
2439                 input_report_key(input, BTN_STYLUS3, sw_state == 3);
2440
2441                 /*
2442                  * Non-USI EMR tools should have their IDs mangled to
2443                  * match the legacy behavior of wacom_intuos_general
2444                  */
2445                 if (wacom_wac->serial[0] >> 52 == 1)
2446                         id = wacom_intuos_id_mangle(id);
2447
2448                 /*
2449                  * To ensure compatibility with xf86-input-wacom, we should
2450                  * report the BTN_TOOL_* event prior to the ABS_MISC or
2451                  * MSC_SERIAL events.
2452                  */
2453                 input_report_key(input, BTN_TOUCH,
2454                                 wacom_wac->hid_data.tipswitch);
2455                 input_report_key(input, wacom_wac->tool[0], sense);
2456                 if (wacom_wac->serial[0]) {
2457                         input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2458                         input_report_abs(input, ABS_MISC, sense ? id : 0);
2459                 }
2460
2461                 wacom_wac->hid_data.tipswitch = false;
2462
2463                 input_sync(input);
2464         }
2465
2466         if (!sense) {
2467                 wacom_wac->tool[0] = 0;
2468                 wacom_wac->id[0] = 0;
2469                 wacom_wac->serial[0] = 0;
2470         }
2471 }
2472
2473 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2474                 struct hid_field *field, struct hid_usage *usage)
2475 {
2476         struct wacom *wacom = hid_get_drvdata(hdev);
2477         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2478         struct input_dev *input = wacom_wac->touch_input;
2479         unsigned touch_max = wacom_wac->features.touch_max;
2480         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2481
2482         switch (equivalent_usage) {
2483         case HID_GD_X:
2484                 if (touch_max == 1)
2485                         wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2486                 else
2487                         wacom_map_usage(input, usage, field, EV_ABS,
2488                                         ABS_MT_POSITION_X, 4);
2489                 break;
2490         case HID_GD_Y:
2491                 if (touch_max == 1)
2492                         wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2493                 else
2494                         wacom_map_usage(input, usage, field, EV_ABS,
2495                                         ABS_MT_POSITION_Y, 4);
2496                 break;
2497         case HID_DG_WIDTH:
2498         case HID_DG_HEIGHT:
2499                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2500                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2501                 input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2502                 break;
2503         case HID_DG_TIPSWITCH:
2504                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2505                 break;
2506         case HID_DG_CONTACTCOUNT:
2507                 wacom_wac->hid_data.cc_report = field->report->id;
2508                 wacom_wac->hid_data.cc_index = field->index;
2509                 wacom_wac->hid_data.cc_value_index = usage->usage_index;
2510                 break;
2511         case HID_DG_CONTACTID:
2512                 if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2513                         /*
2514                          * The HID descriptor for G11 sensors leaves logical
2515                          * maximum set to '1' despite it being a multitouch
2516                          * device. Override to a sensible number.
2517                          */
2518                         field->logical_maximum = 255;
2519                 }
2520                 break;
2521         }
2522 }
2523
2524 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2525                 struct input_dev *input)
2526 {
2527         struct hid_data *hid_data = &wacom_wac->hid_data;
2528         bool mt = wacom_wac->features.touch_max > 1;
2529         bool prox = hid_data->tipswitch &&
2530                     report_touch_events(wacom_wac);
2531
2532         if (wacom_wac->shared->has_mute_touch_switch &&
2533             !wacom_wac->shared->is_touch_on) {
2534                 if (!wacom_wac->shared->touch_down)
2535                         return;
2536                 prox = 0;
2537         }
2538
2539         wacom_wac->hid_data.num_received++;
2540         if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2541                 return;
2542
2543         if (mt) {
2544                 int slot;
2545
2546                 slot = input_mt_get_slot_by_key(input, hid_data->id);
2547                 input_mt_slot(input, slot);
2548                 input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2549         }
2550         else {
2551                 input_report_key(input, BTN_TOUCH, prox);
2552         }
2553
2554         if (prox) {
2555                 input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2556                                  hid_data->x);
2557                 input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2558                                  hid_data->y);
2559
2560                 if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2561                         input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2562                         input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2563                         if (hid_data->width != hid_data->height)
2564                                 input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2565                 }
2566         }
2567 }
2568
2569 static void wacom_wac_finger_event(struct hid_device *hdev,
2570                 struct hid_field *field, struct hid_usage *usage, __s32 value)
2571 {
2572         struct wacom *wacom = hid_get_drvdata(hdev);
2573         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2574         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2575         struct wacom_features *features = &wacom->wacom_wac.features;
2576
2577         if (wacom_wac->is_invalid_bt_frame)
2578                 return;
2579
2580         switch (equivalent_usage) {
2581         case HID_GD_X:
2582                 wacom_wac->hid_data.x = value;
2583                 break;
2584         case HID_GD_Y:
2585                 wacom_wac->hid_data.y = value;
2586                 break;
2587         case HID_DG_WIDTH:
2588                 wacom_wac->hid_data.width = value;
2589                 break;
2590         case HID_DG_HEIGHT:
2591                 wacom_wac->hid_data.height = value;
2592                 break;
2593         case HID_DG_CONTACTID:
2594                 wacom_wac->hid_data.id = value;
2595                 break;
2596         case HID_DG_TIPSWITCH:
2597                 wacom_wac->hid_data.tipswitch = value;
2598                 break;
2599         case WACOM_HID_WT_REPORT_VALID:
2600                 wacom_wac->is_invalid_bt_frame = !value;
2601                 return;
2602         case HID_DG_CONTACTMAX:
2603                 if (!features->touch_max) {
2604                         features->touch_max = value;
2605                 } else {
2606                         hid_warn(hdev, "%s: ignoring attempt to overwrite non-zero touch_max "
2607                                  "%d -> %d\n", __func__, features->touch_max, value);
2608                 }
2609                 return;
2610         }
2611
2612         if (usage->usage_index + 1 == field->report_count) {
2613                 if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2614                         wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2615         }
2616 }
2617
2618 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2619                 struct hid_report *report)
2620 {
2621         struct wacom *wacom = hid_get_drvdata(hdev);
2622         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2623         struct hid_data* hid_data = &wacom_wac->hid_data;
2624         int i;
2625
2626         wacom_wac->is_invalid_bt_frame = false;
2627
2628         for (i = 0; i < report->maxfield; i++) {
2629                 struct hid_field *field = report->field[i];
2630                 int j;
2631
2632                 for (j = 0; j < field->maxusage; j++) {
2633                         struct hid_usage *usage = &field->usage[j];
2634                         unsigned int equivalent_usage =
2635                                 wacom_equivalent_usage(usage->hid);
2636
2637                         switch (equivalent_usage) {
2638                         case HID_GD_X:
2639                         case HID_GD_Y:
2640                         case HID_DG_WIDTH:
2641                         case HID_DG_HEIGHT:
2642                         case HID_DG_CONTACTID:
2643                         case HID_DG_INRANGE:
2644                         case HID_DG_INVERT:
2645                         case HID_DG_TIPSWITCH:
2646                                 hid_data->last_slot_field = equivalent_usage;
2647                                 break;
2648                         case HID_DG_CONTACTCOUNT:
2649                                 hid_data->cc_report = report->id;
2650                                 hid_data->cc_index = i;
2651                                 hid_data->cc_value_index = j;
2652                                 break;
2653                         }
2654                 }
2655         }
2656
2657         if (hid_data->cc_report != 0 &&
2658             hid_data->cc_index >= 0) {
2659                 struct hid_field *field = report->field[hid_data->cc_index];
2660                 int value = field->value[hid_data->cc_value_index];
2661                 if (value)
2662                         hid_data->num_expected = value;
2663         }
2664         else {
2665                 hid_data->num_expected = wacom_wac->features.touch_max;
2666         }
2667 }
2668
2669 static void wacom_wac_finger_report(struct hid_device *hdev,
2670                 struct hid_report *report)
2671 {
2672         struct wacom *wacom = hid_get_drvdata(hdev);
2673         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2674         struct input_dev *input = wacom_wac->touch_input;
2675         unsigned touch_max = wacom_wac->features.touch_max;
2676
2677         /* If more packets of data are expected, give us a chance to
2678          * process them rather than immediately syncing a partial
2679          * update.
2680          */
2681         if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2682                 return;
2683
2684         if (touch_max > 1)
2685                 input_mt_sync_frame(input);
2686
2687         input_sync(input);
2688         wacom_wac->hid_data.num_received = 0;
2689
2690         /* keep touch state for pen event */
2691         wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2692 }
2693
2694 void wacom_wac_usage_mapping(struct hid_device *hdev,
2695                 struct hid_field *field, struct hid_usage *usage)
2696 {
2697         struct wacom *wacom = hid_get_drvdata(hdev);
2698         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2699         struct wacom_features *features = &wacom_wac->features;
2700
2701         if (WACOM_DIRECT_DEVICE(field))
2702                 features->device_type |= WACOM_DEVICETYPE_DIRECT;
2703
2704         /* usage tests must precede field tests */
2705         if (WACOM_BATTERY_USAGE(usage))
2706                 wacom_wac_battery_usage_mapping(hdev, field, usage);
2707         else if (WACOM_PAD_FIELD(field))
2708                 wacom_wac_pad_usage_mapping(hdev, field, usage);
2709         else if (WACOM_PEN_FIELD(field))
2710                 wacom_wac_pen_usage_mapping(hdev, field, usage);
2711         else if (WACOM_FINGER_FIELD(field))
2712                 wacom_wac_finger_usage_mapping(hdev, field, usage);
2713 }
2714
2715 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2716                 struct hid_usage *usage, __s32 value)
2717 {
2718         struct wacom *wacom = hid_get_drvdata(hdev);
2719
2720         if (wacom->wacom_wac.features.type != HID_GENERIC)
2721                 return;
2722
2723         if (value > field->logical_maximum || value < field->logical_minimum)
2724                 return;
2725
2726         /* usage tests must precede field tests */
2727         if (WACOM_BATTERY_USAGE(usage))
2728                 wacom_wac_battery_event(hdev, field, usage, value);
2729         else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2730                 wacom_wac_pad_event(hdev, field, usage, value);
2731         else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2732                 wacom_wac_pen_event(hdev, field, usage, value);
2733         else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2734                 wacom_wac_finger_event(hdev, field, usage, value);
2735 }
2736
2737 static void wacom_report_events(struct hid_device *hdev,
2738                                 struct hid_report *report, int collection_index,
2739                                 int field_index)
2740 {
2741         int r;
2742
2743         for (r = field_index; r < report->maxfield; r++) {
2744                 struct hid_field *field;
2745                 unsigned count, n;
2746
2747                 field = report->field[r];
2748                 count = field->report_count;
2749
2750                 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2751                         continue;
2752
2753                 for (n = 0 ; n < count; n++) {
2754                         if (field->usage[n].collection_index == collection_index)
2755                                 wacom_wac_event(hdev, field, &field->usage[n],
2756                                                 field->value[n]);
2757                         else
2758                                 return;
2759                 }
2760         }
2761 }
2762
2763 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2764                          int collection_index, struct hid_field *field,
2765                          int field_index)
2766 {
2767         struct wacom *wacom = hid_get_drvdata(hdev);
2768
2769         wacom_report_events(hdev, report, collection_index, field_index);
2770
2771         /*
2772          * Non-input reports may be sent prior to the device being
2773          * completely initialized. Since only their events need
2774          * to be processed, exit after 'wacom_report_events' has
2775          * been called to prevent potential crashes in the report-
2776          * processing functions.
2777          */
2778         if (report->type != HID_INPUT_REPORT)
2779                 return -1;
2780
2781         if (WACOM_PAD_FIELD(field))
2782                 return 0;
2783         else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2784                 wacom_wac_pen_report(hdev, report);
2785         else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2786                 wacom_wac_finger_report(hdev, report);
2787
2788         return 0;
2789 }
2790
2791 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2792 {
2793         struct wacom *wacom = hid_get_drvdata(hdev);
2794         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2795         struct hid_field *field;
2796         bool pad_in_hid_field = false, pen_in_hid_field = false,
2797                 finger_in_hid_field = false, true_pad = false;
2798         int r;
2799         int prev_collection = -1;
2800
2801         if (wacom_wac->features.type != HID_GENERIC)
2802                 return;
2803
2804         for (r = 0; r < report->maxfield; r++) {
2805                 field = report->field[r];
2806
2807                 if (WACOM_PAD_FIELD(field))
2808                         pad_in_hid_field = true;
2809                 if (WACOM_PEN_FIELD(field))
2810                         pen_in_hid_field = true;
2811                 if (WACOM_FINGER_FIELD(field))
2812                         finger_in_hid_field = true;
2813                 if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
2814                         true_pad = true;
2815         }
2816
2817         wacom_wac_battery_pre_report(hdev, report);
2818
2819         if (pad_in_hid_field && wacom->wacom_wac.pad_input)
2820                 wacom_wac_pad_pre_report(hdev, report);
2821         if (pen_in_hid_field && wacom->wacom_wac.pen_input)
2822                 wacom_wac_pen_pre_report(hdev, report);
2823         if (finger_in_hid_field && wacom->wacom_wac.touch_input)
2824                 wacom_wac_finger_pre_report(hdev, report);
2825
2826         for (r = 0; r < report->maxfield; r++) {
2827                 field = report->field[r];
2828
2829                 if (field->usage[0].collection_index != prev_collection) {
2830                         if (wacom_wac_collection(hdev, report,
2831                                 field->usage[0].collection_index, field, r) < 0)
2832                                 return;
2833                         prev_collection = field->usage[0].collection_index;
2834                 }
2835         }
2836
2837         wacom_wac_battery_report(hdev, report);
2838
2839         if (true_pad && wacom->wacom_wac.pad_input)
2840                 wacom_wac_pad_report(hdev, report, field);
2841 }
2842
2843 static int wacom_bpt_touch(struct wacom_wac *wacom)
2844 {
2845         struct wacom_features *features = &wacom->features;
2846         struct input_dev *input = wacom->touch_input;
2847         struct input_dev *pad_input = wacom->pad_input;
2848         unsigned char *data = wacom->data;
2849         int i;
2850
2851         if (data[0] != 0x02)
2852             return 0;
2853
2854         for (i = 0; i < 2; i++) {
2855                 int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2856                 bool touch = report_touch_events(wacom)
2857                            && (data[offset + 3] & 0x80);
2858
2859                 input_mt_slot(input, i);
2860                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2861                 if (touch) {
2862                         int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2863                         int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2864                         if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2865                                 x <<= 5;
2866                                 y <<= 5;
2867                         }
2868                         input_report_abs(input, ABS_MT_POSITION_X, x);
2869                         input_report_abs(input, ABS_MT_POSITION_Y, y);
2870                 }
2871         }
2872
2873         input_mt_sync_frame(input);
2874
2875         input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2876         input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2877         input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2878         input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2879         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2880
2881         return 1;
2882 }
2883
2884 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2885 {
2886         struct wacom_features *features = &wacom->features;
2887         struct input_dev *input = wacom->touch_input;
2888         bool touch = data[1] & 0x80;
2889         int slot = input_mt_get_slot_by_key(input, data[0]);
2890
2891         if (slot < 0)
2892                 return;
2893
2894         touch = touch && report_touch_events(wacom);
2895
2896         input_mt_slot(input, slot);
2897         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2898
2899         if (touch) {
2900                 int x = (data[2] << 4) | (data[4] >> 4);
2901                 int y = (data[3] << 4) | (data[4] & 0x0f);
2902                 int width, height;
2903
2904                 if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2905                         width  = data[5] * 100;
2906                         height = data[6] * 100;
2907                 } else {
2908                         /*
2909                          * "a" is a scaled-down area which we assume is
2910                          * roughly circular and which can be described as:
2911                          * a=(pi*r^2)/C.
2912                          */
2913                         int a = data[5];
2914                         int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2915                         int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2916                         width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2917                         height = width * y_res / x_res;
2918                 }
2919
2920                 input_report_abs(input, ABS_MT_POSITION_X, x);
2921                 input_report_abs(input, ABS_MT_POSITION_Y, y);
2922                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2923                 input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2924         }
2925 }
2926
2927 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2928 {
2929         struct input_dev *input = wacom->pad_input;
2930         struct wacom_features *features = &wacom->features;
2931
2932         if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2933                 input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2934                 input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2935         } else {
2936                 input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2937                 input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2938         }
2939         input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2940         input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2941 }
2942
2943 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2944 {
2945         unsigned char *data = wacom->data;
2946         int count = data[1] & 0x07;
2947         int  touch_changed = 0, i;
2948
2949         if (data[0] != 0x02)
2950             return 0;
2951
2952         /* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2953         for (i = 0; i < count; i++) {
2954                 int offset = (8 * i) + 2;
2955                 int msg_id = data[offset];
2956
2957                 if (msg_id >= 2 && msg_id <= 17) {
2958                         wacom_bpt3_touch_msg(wacom, data + offset);
2959                         touch_changed++;
2960                 } else if (msg_id == 128)
2961                         wacom_bpt3_button_msg(wacom, data + offset);
2962
2963         }
2964
2965         /* only update touch if we actually have a touchpad and touch data changed */
2966         if (wacom->touch_input && touch_changed) {
2967                 input_mt_sync_frame(wacom->touch_input);
2968                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2969         }
2970
2971         return 1;
2972 }
2973
2974 static int wacom_bpt_pen(struct wacom_wac *wacom)
2975 {
2976         struct wacom_features *features = &wacom->features;
2977         struct input_dev *input = wacom->pen_input;
2978         unsigned char *data = wacom->data;
2979         int x = 0, y = 0, p = 0, d = 0;
2980         bool pen = false, btn1 = false, btn2 = false;
2981         bool range, prox, rdy;
2982
2983         if (data[0] != WACOM_REPORT_PENABLED)
2984             return 0;
2985
2986         range = (data[1] & 0x80) == 0x80;
2987         prox = (data[1] & 0x40) == 0x40;
2988         rdy = (data[1] & 0x20) == 0x20;
2989
2990         wacom->shared->stylus_in_proximity = range;
2991         if (delay_pen_events(wacom))
2992                 return 0;
2993
2994         if (rdy) {
2995                 p = le16_to_cpup((__le16 *)&data[6]);
2996                 pen = data[1] & 0x01;
2997                 btn1 = data[1] & 0x02;
2998                 btn2 = data[1] & 0x04;
2999         }
3000         if (prox) {
3001                 x = le16_to_cpup((__le16 *)&data[2]);
3002                 y = le16_to_cpup((__le16 *)&data[4]);
3003
3004                 if (data[1] & 0x08) {
3005                         wacom->tool[0] = BTN_TOOL_RUBBER;
3006                         wacom->id[0] = ERASER_DEVICE_ID;
3007                 } else {
3008                         wacom->tool[0] = BTN_TOOL_PEN;
3009                         wacom->id[0] = STYLUS_DEVICE_ID;
3010                 }
3011                 wacom->reporting_data = true;
3012         }
3013         if (range) {
3014                 /*
3015                  * Convert distance from out prox to distance from tablet.
3016                  * distance will be greater than distance_max once
3017                  * touching and applying pressure; do not report negative
3018                  * distance.
3019                  */
3020                 if (data[8] <= features->distance_max)
3021                         d = features->distance_max - data[8];
3022         } else {
3023                 wacom->id[0] = 0;
3024         }
3025
3026         if (wacom->reporting_data) {
3027                 input_report_key(input, BTN_TOUCH, pen);
3028                 input_report_key(input, BTN_STYLUS, btn1);
3029                 input_report_key(input, BTN_STYLUS2, btn2);
3030
3031                 if (prox || !range) {
3032                         input_report_abs(input, ABS_X, x);
3033                         input_report_abs(input, ABS_Y, y);
3034                 }
3035                 input_report_abs(input, ABS_PRESSURE, p);
3036                 input_report_abs(input, ABS_DISTANCE, d);
3037
3038                 input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
3039                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
3040         }
3041
3042         if (!range) {
3043                 wacom->reporting_data = false;
3044         }
3045
3046         return 1;
3047 }
3048
3049 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
3050 {
3051         struct wacom_features *features = &wacom->features;
3052
3053         if ((features->type == INTUOSHT2) &&
3054             (features->device_type & WACOM_DEVICETYPE_PEN))
3055                 return wacom_intuos_irq(wacom);
3056         else if (len == WACOM_PKGLEN_BBTOUCH)
3057                 return wacom_bpt_touch(wacom);
3058         else if (len == WACOM_PKGLEN_BBTOUCH3)
3059                 return wacom_bpt3_touch(wacom);
3060         else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
3061                 return wacom_bpt_pen(wacom);
3062
3063         return 0;
3064 }
3065
3066 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
3067                 unsigned char *data)
3068 {
3069         unsigned char prefix;
3070
3071         /*
3072          * We need to reroute the event from the debug interface to the
3073          * pen interface.
3074          * We need to add the report ID to the actual pen report, so we
3075          * temporary overwrite the first byte to prevent having to kzalloc/kfree
3076          * and memcpy the report.
3077          */
3078         prefix = data[0];
3079         data[0] = WACOM_REPORT_BPAD_PEN;
3080
3081         /*
3082          * actually reroute the event.
3083          * No need to check if wacom->shared->pen is valid, hid_input_report()
3084          * will check for us.
3085          */
3086         hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3087                          WACOM_PKGLEN_PENABLED, 1);
3088
3089         data[0] = prefix;
3090 }
3091
3092 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3093                 unsigned char *data)
3094 {
3095         struct input_dev *input = wacom->touch_input;
3096         unsigned char *finger_data, prefix;
3097         unsigned id;
3098         int x, y;
3099         bool valid;
3100
3101         prefix = data[0];
3102
3103         for (id = 0; id < wacom->features.touch_max; id++) {
3104                 valid = !!(prefix & BIT(id)) &&
3105                         report_touch_events(wacom);
3106
3107                 input_mt_slot(input, id);
3108                 input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3109
3110                 if (!valid)
3111                         continue;
3112
3113                 finger_data = data + 1 + id * 3;
3114                 x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3115                 y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3116
3117                 input_report_abs(input, ABS_MT_POSITION_X, x);
3118                 input_report_abs(input, ABS_MT_POSITION_Y, y);
3119         }
3120
3121         input_mt_sync_frame(input);
3122
3123         input_report_key(input, BTN_LEFT, prefix & 0x40);
3124         input_report_key(input, BTN_RIGHT, prefix & 0x80);
3125
3126         /* keep touch state for pen event */
3127         wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3128
3129         return 1;
3130 }
3131
3132 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3133 {
3134         unsigned char *data = wacom->data;
3135
3136         if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3137               (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3138             (data[0] != WACOM_REPORT_BPAD_TOUCH))
3139                 return 0;
3140
3141         if (data[1] & 0x01)
3142                 wacom_bamboo_pad_pen_event(wacom, &data[1]);
3143
3144         if (data[1] & 0x02)
3145                 return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3146
3147         return 0;
3148 }
3149
3150 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3151 {
3152         unsigned char *data = wacom->data;
3153         int connected;
3154
3155         if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3156                 return 0;
3157
3158         connected = data[1] & 0x01;
3159         if (connected) {
3160                 int pid, battery, charging;
3161
3162                 if ((wacom->shared->type == INTUOSHT ||
3163                     wacom->shared->type == INTUOSHT2) &&
3164                     wacom->shared->touch_input &&
3165                     wacom->shared->touch_max) {
3166                         input_report_switch(wacom->shared->touch_input,
3167                                         SW_MUTE_DEVICE, data[5] & 0x40);
3168                         input_sync(wacom->shared->touch_input);
3169                 }
3170
3171                 pid = get_unaligned_be16(&data[6]);
3172                 battery = (data[5] & 0x3f) * 100 / 31;
3173                 charging = !!(data[5] & 0x80);
3174                 if (wacom->pid != pid) {
3175                         wacom->pid = pid;
3176                         wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3177                 }
3178
3179                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3180                                      battery, charging, 1, 0);
3181
3182         } else if (wacom->pid != 0) {
3183                 /* disconnected while previously connected */
3184                 wacom->pid = 0;
3185                 wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3186                 wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3187         }
3188
3189         return 0;
3190 }
3191
3192 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3193 {
3194         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3195         struct wacom_features *features = &wacom_wac->features;
3196         unsigned char *data = wacom_wac->data;
3197
3198         if (data[0] != WACOM_REPORT_USB)
3199                 return 0;
3200
3201         if ((features->type == INTUOSHT ||
3202             features->type == INTUOSHT2) &&
3203             wacom_wac->shared->touch_input &&
3204             features->touch_max) {
3205                 input_report_switch(wacom_wac->shared->touch_input,
3206                                     SW_MUTE_DEVICE, data[8] & 0x40);
3207                 input_sync(wacom_wac->shared->touch_input);
3208         }
3209
3210         if (data[9] & 0x02) { /* wireless module is attached */
3211                 int battery = (data[8] & 0x3f) * 100 / 31;
3212                 bool charging = !!(data[8] & 0x80);
3213
3214                 wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3215                                      battery, charging, battery || charging, 1);
3216
3217                 if (!wacom->battery.battery &&
3218                     !(features->quirks & WACOM_QUIRK_BATTERY)) {
3219                         features->quirks |= WACOM_QUIRK_BATTERY;
3220                         wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3221                 }
3222         }
3223         else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3224                  wacom->battery.battery) {
3225                 features->quirks &= ~WACOM_QUIRK_BATTERY;
3226                 wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3227                 wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3228         }
3229         return 0;
3230 }
3231
3232 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3233 {
3234         bool sync;
3235
3236         switch (wacom_wac->features.type) {
3237         case PENPARTNER:
3238                 sync = wacom_penpartner_irq(wacom_wac);
3239                 break;
3240
3241         case PL:
3242                 sync = wacom_pl_irq(wacom_wac);
3243                 break;
3244
3245         case WACOM_G4:
3246         case GRAPHIRE:
3247         case GRAPHIRE_BT:
3248         case WACOM_MO:
3249                 sync = wacom_graphire_irq(wacom_wac);
3250                 break;
3251
3252         case PTU:
3253                 sync = wacom_ptu_irq(wacom_wac);
3254                 break;
3255
3256         case DTU:
3257                 sync = wacom_dtu_irq(wacom_wac);
3258                 break;
3259
3260         case DTUS:
3261         case DTUSX:
3262                 sync = wacom_dtus_irq(wacom_wac);
3263                 break;
3264
3265         case INTUOS:
3266         case INTUOS3S:
3267         case INTUOS3:
3268         case INTUOS3L:
3269         case INTUOS4S:
3270         case INTUOS4:
3271         case INTUOS4L:
3272         case CINTIQ:
3273         case WACOM_BEE:
3274         case WACOM_13HD:
3275         case WACOM_21UX2:
3276         case WACOM_22HD:
3277         case WACOM_24HD:
3278         case WACOM_27QHD:
3279         case DTK:
3280         case CINTIQ_HYBRID:
3281         case CINTIQ_COMPANION_2:
3282                 sync = wacom_intuos_irq(wacom_wac);
3283                 break;
3284
3285         case INTUOS4WL:
3286                 sync = wacom_intuos_bt_irq(wacom_wac, len);
3287                 break;
3288
3289         case WACOM_24HDT:
3290         case WACOM_27QHDT:
3291                 sync = wacom_24hdt_irq(wacom_wac);
3292                 break;
3293
3294         case INTUOS5S:
3295         case INTUOS5:
3296         case INTUOS5L:
3297         case INTUOSPS:
3298         case INTUOSPM:
3299         case INTUOSPL:
3300                 if (len == WACOM_PKGLEN_BBTOUCH3)
3301                         sync = wacom_bpt3_touch(wacom_wac);
3302                 else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3303                         sync = wacom_status_irq(wacom_wac, len);
3304                 else
3305                         sync = wacom_intuos_irq(wacom_wac);
3306                 break;
3307
3308         case INTUOSP2_BT:
3309         case INTUOSP2S_BT:
3310         case INTUOSHT3_BT:
3311                 sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3312                 break;
3313
3314         case TABLETPC:
3315         case TABLETPCE:
3316         case TABLETPC2FG:
3317         case MTSCREEN:
3318         case MTTPC:
3319         case MTTPC_B:
3320                 sync = wacom_tpc_irq(wacom_wac, len);
3321                 break;
3322
3323         case BAMBOO_PT:
3324         case BAMBOO_PEN:
3325         case BAMBOO_TOUCH:
3326         case INTUOSHT:
3327         case INTUOSHT2:
3328                 if (wacom_wac->data[0] == WACOM_REPORT_USB)
3329                         sync = wacom_status_irq(wacom_wac, len);
3330                 else
3331                         sync = wacom_bpt_irq(wacom_wac, len);
3332                 break;
3333
3334         case BAMBOO_PAD:
3335                 sync = wacom_bamboo_pad_irq(wacom_wac, len);
3336                 break;
3337
3338         case WIRELESS:
3339                 sync = wacom_wireless_irq(wacom_wac, len);
3340                 break;
3341
3342         case REMOTE:
3343                 sync = false;
3344                 if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3345                         wacom_remote_status_irq(wacom_wac, len);
3346                 else
3347                         sync = wacom_remote_irq(wacom_wac, len);
3348                 break;
3349
3350         default:
3351                 sync = false;
3352                 break;
3353         }
3354
3355         if (sync) {
3356                 if (wacom_wac->pen_input)
3357                         input_sync(wacom_wac->pen_input);
3358                 if (wacom_wac->touch_input)
3359                         input_sync(wacom_wac->touch_input);
3360                 if (wacom_wac->pad_input)
3361                         input_sync(wacom_wac->pad_input);
3362         }
3363 }
3364
3365 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3366 {
3367         struct input_dev *input_dev = wacom_wac->pen_input;
3368
3369         input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3370
3371         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3372         __set_bit(BTN_STYLUS, input_dev->keybit);
3373         __set_bit(BTN_STYLUS2, input_dev->keybit);
3374
3375         input_set_abs_params(input_dev, ABS_DISTANCE,
3376                              0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3377 }
3378
3379 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3380 {
3381         struct input_dev *input_dev = wacom_wac->pen_input;
3382         struct wacom_features *features = &wacom_wac->features;
3383
3384         wacom_setup_basic_pro_pen(wacom_wac);
3385
3386         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3387         __set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3388         __set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3389         __set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3390
3391         input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3392         input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3393         input_abs_set_res(input_dev, ABS_TILT_X, 57);
3394         input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3395         input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3396 }
3397
3398 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3399 {
3400         struct input_dev *input_dev = wacom_wac->pen_input;
3401
3402         input_set_capability(input_dev, EV_REL, REL_WHEEL);
3403
3404         wacom_setup_cintiq(wacom_wac);
3405
3406         __set_bit(BTN_LEFT, input_dev->keybit);
3407         __set_bit(BTN_RIGHT, input_dev->keybit);
3408         __set_bit(BTN_MIDDLE, input_dev->keybit);
3409         __set_bit(BTN_SIDE, input_dev->keybit);
3410         __set_bit(BTN_EXTRA, input_dev->keybit);
3411         __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3412         __set_bit(BTN_TOOL_LENS, input_dev->keybit);
3413
3414         input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3415         input_abs_set_res(input_dev, ABS_RZ, 287);
3416         input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3417 }
3418
3419 void wacom_setup_device_quirks(struct wacom *wacom)
3420 {
3421         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
3422         struct wacom_features *features = &wacom->wacom_wac.features;
3423
3424         /* The pen and pad share the same interface on most devices */
3425         if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3426             features->type == DTUS ||
3427             (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3428                 if (features->device_type & WACOM_DEVICETYPE_PEN)
3429                         features->device_type |= WACOM_DEVICETYPE_PAD;
3430         }
3431
3432         /* touch device found but size is not defined. use default */
3433         if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3434                 features->x_max = 1023;
3435                 features->y_max = 1023;
3436         }
3437
3438         /*
3439          * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3440          * touch interface in its HID descriptor. If this is the touch
3441          * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3442          * tablet values.
3443          */
3444         if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3445                 (features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3446                 if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3447                         if (features->touch_max)
3448                                 features->device_type |= WACOM_DEVICETYPE_TOUCH;
3449                         if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3450                                 features->device_type |= WACOM_DEVICETYPE_PAD;
3451
3452                         if (features->type == INTUOSHT2) {
3453                                 features->x_max = features->x_max / 10;
3454                                 features->y_max = features->y_max / 10;
3455                         }
3456                         else {
3457                                 features->x_max = 4096;
3458                                 features->y_max = 4096;
3459                         }
3460                 }
3461                 else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3462                         features->device_type |= WACOM_DEVICETYPE_PAD;
3463                 }
3464         }
3465
3466         /*
3467          * Hack for the Bamboo One:
3468          * the device presents a PAD/Touch interface as most Bamboos and even
3469          * sends ghosts PAD data on it. However, later, we must disable this
3470          * ghost interface, and we can not detect it unless we set it here
3471          * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3472          */
3473         if (features->type == BAMBOO_PEN &&
3474             features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3475                 features->device_type |= WACOM_DEVICETYPE_PAD;
3476
3477         /*
3478          * Raw Wacom-mode pen and touch events both come from interface
3479          * 0, whose HID descriptor has an application usage of 0xFF0D
3480          * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3481          * out through the HID_GENERIC device created for interface 1,
3482          * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3483          */
3484         if (features->type == BAMBOO_PAD)
3485                 features->device_type = WACOM_DEVICETYPE_TOUCH;
3486
3487         if (features->type == REMOTE)
3488                 features->device_type = WACOM_DEVICETYPE_PAD;
3489
3490         if (features->type == INTUOSP2_BT ||
3491             features->type == INTUOSP2S_BT) {
3492                 features->device_type |= WACOM_DEVICETYPE_PEN |
3493                                          WACOM_DEVICETYPE_PAD |
3494                                          WACOM_DEVICETYPE_TOUCH;
3495                 features->quirks |= WACOM_QUIRK_BATTERY;
3496         }
3497
3498         if (features->type == INTUOSHT3_BT) {
3499                 features->device_type |= WACOM_DEVICETYPE_PEN |
3500                                          WACOM_DEVICETYPE_PAD;
3501                 features->quirks |= WACOM_QUIRK_BATTERY;
3502         }
3503
3504         switch (features->type) {
3505         case PL:
3506         case DTU:
3507         case DTUS:
3508         case DTUSX:
3509         case WACOM_21UX2:
3510         case WACOM_22HD:
3511         case DTK:
3512         case WACOM_24HD:
3513         case WACOM_27QHD:
3514         case CINTIQ_HYBRID:
3515         case CINTIQ_COMPANION_2:
3516         case CINTIQ:
3517         case WACOM_BEE:
3518         case WACOM_13HD:
3519         case WACOM_24HDT:
3520         case WACOM_27QHDT:
3521         case TABLETPC:
3522         case TABLETPCE:
3523         case TABLETPC2FG:
3524         case MTSCREEN:
3525         case MTTPC:
3526         case MTTPC_B:
3527                 features->device_type |= WACOM_DEVICETYPE_DIRECT;
3528                 break;
3529         }
3530
3531         if (wacom->hdev->bus == BUS_BLUETOOTH)
3532                 features->quirks |= WACOM_QUIRK_BATTERY;
3533
3534         /* quirk for bamboo touch with 2 low res touches */
3535         if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3536             features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3537                 features->x_max <<= 5;
3538                 features->y_max <<= 5;
3539                 features->x_fuzz <<= 5;
3540                 features->y_fuzz <<= 5;
3541                 features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3542         }
3543
3544         if (features->type == WIRELESS) {
3545                 if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3546                         features->quirks |= WACOM_QUIRK_BATTERY;
3547                 }
3548         }
3549
3550         if (features->type == REMOTE)
3551                 features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3552
3553         /* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
3554          * of things it shouldn't. Lets fix up the damage...
3555          */
3556         if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
3557                 features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
3558                 __clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
3559                 __clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
3560                 __clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
3561                 __clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
3562                 __clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
3563                 __clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
3564                 __clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
3565                 __clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
3566                 __clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
3567                 __clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
3568                 __clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
3569         }
3570 }
3571
3572 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3573                                    struct wacom_wac *wacom_wac)
3574 {
3575         struct wacom_features *features = &wacom_wac->features;
3576
3577         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3578
3579         if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3580                 return -ENODEV;
3581
3582         if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3583                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3584         else
3585                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3586
3587         if (features->type == HID_GENERIC) {
3588                 /* setup has already been done; apply otherwise-undetectible quirks */
3589                 input_set_capability(input_dev, EV_KEY, BTN_STYLUS3);
3590                 return 0;
3591         }
3592
3593         __set_bit(BTN_TOUCH, input_dev->keybit);
3594         __set_bit(ABS_MISC, input_dev->absbit);
3595
3596         input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3597                              features->x_max - features->offset_right,
3598                              features->x_fuzz, 0);
3599         input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3600                              features->y_max - features->offset_bottom,
3601                              features->y_fuzz, 0);
3602         input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3603                 features->pressure_max, features->pressure_fuzz, 0);
3604
3605         /* penabled devices have fixed resolution for each model */
3606         input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3607         input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3608
3609         switch (features->type) {
3610         case GRAPHIRE_BT:
3611                 __clear_bit(ABS_MISC, input_dev->absbit);
3612                 fallthrough;
3613
3614         case WACOM_MO:
3615         case WACOM_G4:
3616                 input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3617                                               features->distance_max,
3618                                               features->distance_fuzz, 0);
3619                 fallthrough;
3620
3621         case GRAPHIRE:
3622                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
3623
3624                 __set_bit(BTN_LEFT, input_dev->keybit);
3625                 __set_bit(BTN_RIGHT, input_dev->keybit);
3626                 __set_bit(BTN_MIDDLE, input_dev->keybit);
3627
3628                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3629                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3630                 __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3631                 __set_bit(BTN_STYLUS, input_dev->keybit);
3632                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3633                 break;
3634
3635         case WACOM_27QHD:
3636         case WACOM_24HD:
3637         case DTK:
3638         case WACOM_22HD:
3639         case WACOM_21UX2:
3640         case WACOM_BEE:
3641         case CINTIQ:
3642         case WACOM_13HD:
3643         case CINTIQ_HYBRID:
3644         case CINTIQ_COMPANION_2:
3645                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3646                 input_abs_set_res(input_dev, ABS_Z, 287);
3647                 wacom_setup_cintiq(wacom_wac);
3648                 break;
3649
3650         case INTUOS3:
3651         case INTUOS3L:
3652         case INTUOS3S:
3653         case INTUOS4:
3654         case INTUOS4WL:
3655         case INTUOS4L:
3656         case INTUOS4S:
3657                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3658                 input_abs_set_res(input_dev, ABS_Z, 287);
3659                 fallthrough;
3660
3661         case INTUOS:
3662                 wacom_setup_intuos(wacom_wac);
3663                 break;
3664
3665         case INTUOS5:
3666         case INTUOS5L:
3667         case INTUOSPM:
3668         case INTUOSPL:
3669         case INTUOS5S:
3670         case INTUOSPS:
3671         case INTUOSP2_BT:
3672         case INTUOSP2S_BT:
3673                 input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3674                                       features->distance_max,
3675                                       features->distance_fuzz, 0);
3676
3677                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3678                 input_abs_set_res(input_dev, ABS_Z, 287);
3679
3680                 wacom_setup_intuos(wacom_wac);
3681                 break;
3682
3683         case WACOM_24HDT:
3684         case WACOM_27QHDT:
3685         case MTSCREEN:
3686         case MTTPC:
3687         case MTTPC_B:
3688         case TABLETPC2FG:
3689         case TABLETPC:
3690         case TABLETPCE:
3691                 __clear_bit(ABS_MISC, input_dev->absbit);
3692                 fallthrough;
3693
3694         case DTUS:
3695         case DTUSX:
3696         case PL:
3697         case DTU:
3698                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3699                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3700                 __set_bit(BTN_STYLUS, input_dev->keybit);
3701                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3702                 break;
3703
3704         case PTU:
3705                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3706                 fallthrough;
3707
3708         case PENPARTNER:
3709                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3710                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3711                 __set_bit(BTN_STYLUS, input_dev->keybit);
3712                 break;
3713
3714         case INTUOSHT:
3715         case BAMBOO_PT:
3716         case BAMBOO_PEN:
3717         case INTUOSHT2:
3718         case INTUOSHT3_BT:
3719                 if (features->type == INTUOSHT2 ||
3720                     features->type == INTUOSHT3_BT) {
3721                         wacom_setup_basic_pro_pen(wacom_wac);
3722                 } else {
3723                         __clear_bit(ABS_MISC, input_dev->absbit);
3724                         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3725                         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3726                         __set_bit(BTN_STYLUS, input_dev->keybit);
3727                         __set_bit(BTN_STYLUS2, input_dev->keybit);
3728                         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3729                                       features->distance_max,
3730                                       features->distance_fuzz, 0);
3731                 }
3732                 break;
3733         case BAMBOO_PAD:
3734                 __clear_bit(ABS_MISC, input_dev->absbit);
3735                 break;
3736         }
3737         return 0;
3738 }
3739
3740 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3741                                          struct wacom_wac *wacom_wac)
3742 {
3743         struct wacom_features *features = &wacom_wac->features;
3744
3745         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3746
3747         if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3748                 return -ENODEV;
3749
3750         if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3751                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3752         else
3753                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3754
3755         if (features->type == HID_GENERIC)
3756                 /* setup has already been done */
3757                 return 0;
3758
3759         __set_bit(BTN_TOUCH, input_dev->keybit);
3760
3761         if (features->touch_max == 1) {
3762                 input_set_abs_params(input_dev, ABS_X, 0,
3763                         features->x_max, features->x_fuzz, 0);
3764                 input_set_abs_params(input_dev, ABS_Y, 0,
3765                         features->y_max, features->y_fuzz, 0);
3766                 input_abs_set_res(input_dev, ABS_X,
3767                                   features->x_resolution);
3768                 input_abs_set_res(input_dev, ABS_Y,
3769                                   features->y_resolution);
3770         }
3771         else if (features->touch_max > 1) {
3772                 input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3773                         features->x_max, features->x_fuzz, 0);
3774                 input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3775                         features->y_max, features->y_fuzz, 0);
3776                 input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3777                                   features->x_resolution);
3778                 input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3779                                   features->y_resolution);
3780         }
3781
3782         switch (features->type) {
3783         case INTUOSP2_BT:
3784         case INTUOSP2S_BT:
3785                 input_dev->evbit[0] |= BIT_MASK(EV_SW);
3786                 __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3787
3788                 if (wacom_wac->shared->touch->product == 0x361) {
3789                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3790                                              0, 12440, 4, 0);
3791                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3792                                              0, 8640, 4, 0);
3793                 }
3794                 else if (wacom_wac->shared->touch->product == 0x360) {
3795                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3796                                              0, 8960, 4, 0);
3797                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3798                                              0, 5920, 4, 0);
3799                 }
3800                 else if (wacom_wac->shared->touch->product == 0x393) {
3801                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3802                                              0, 6400, 4, 0);
3803                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3804                                              0, 4000, 4, 0);
3805                 }
3806                 input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3807                 input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40);
3808
3809                 fallthrough;
3810
3811         case INTUOS5:
3812         case INTUOS5L:
3813         case INTUOSPM:
3814         case INTUOSPL:
3815         case INTUOS5S:
3816         case INTUOSPS:
3817                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3818                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3819                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3820                 break;
3821
3822         case WACOM_24HDT:
3823                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3824                 input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3825                 input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3826                 input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3827                 fallthrough;
3828
3829         case WACOM_27QHDT:
3830                 if (wacom_wac->shared->touch->product == 0x32C ||
3831                     wacom_wac->shared->touch->product == 0xF6) {
3832                         input_dev->evbit[0] |= BIT_MASK(EV_SW);
3833                         __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3834                         wacom_wac->shared->has_mute_touch_switch = true;
3835                 }
3836                 fallthrough;
3837
3838         case MTSCREEN:
3839         case MTTPC:
3840         case MTTPC_B:
3841         case TABLETPC2FG:
3842                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
3843                 fallthrough;
3844
3845         case TABLETPC:
3846         case TABLETPCE:
3847                 break;
3848
3849         case INTUOSHT:
3850         case INTUOSHT2:
3851                 input_dev->evbit[0] |= BIT_MASK(EV_SW);
3852                 __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3853                 fallthrough;
3854
3855         case BAMBOO_PT:
3856         case BAMBOO_TOUCH:
3857                 if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3858                         input_set_abs_params(input_dev,
3859                                      ABS_MT_TOUCH_MAJOR,
3860                                      0, features->x_max, 0, 0);
3861                         input_set_abs_params(input_dev,
3862                                      ABS_MT_TOUCH_MINOR,
3863                                      0, features->y_max, 0, 0);
3864                 }
3865                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3866                 break;
3867
3868         case BAMBOO_PAD:
3869                 input_mt_init_slots(input_dev, features->touch_max,
3870                                     INPUT_MT_POINTER);
3871                 __set_bit(BTN_LEFT, input_dev->keybit);
3872                 __set_bit(BTN_RIGHT, input_dev->keybit);
3873                 break;
3874         }
3875         return 0;
3876 }
3877
3878 static int wacom_numbered_button_to_key(int n)
3879 {
3880         if (n < 10)
3881                 return BTN_0 + n;
3882         else if (n < 16)
3883                 return BTN_A + (n-10);
3884         else if (n < 18)
3885                 return BTN_BASE + (n-16);
3886         else
3887                 return 0;
3888 }
3889
3890 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
3891                                 int button_count)
3892 {
3893         int i;
3894
3895         for (i = 0; i < button_count; i++) {
3896                 int key = wacom_numbered_button_to_key(i);
3897
3898                 if (key)
3899                         __set_bit(key, input_dev->keybit);
3900         }
3901 }
3902
3903 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
3904 {
3905         struct wacom_led *led;
3906         int i;
3907         bool updated = false;
3908
3909         /*
3910          * 24HD has LED group 1 to the left and LED group 0 to the right.
3911          * So group 0 matches the second half of the buttons and thus the mask
3912          * needs to be shifted.
3913          */
3914         if (group == 0)
3915                 mask >>= 8;
3916
3917         for (i = 0; i < 3; i++) {
3918                 led = wacom_led_find(wacom, group, i);
3919                 if (!led) {
3920                         hid_err(wacom->hdev, "can't find LED %d in group %d\n",
3921                                 i, group);
3922                         continue;
3923                 }
3924                 if (!updated && mask & BIT(i)) {
3925                         led->held = true;
3926                         led_trigger_event(&led->trigger, LED_FULL);
3927                 } else {
3928                         led->held = false;
3929                 }
3930         }
3931 }
3932
3933 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
3934                                  int mask, int group)
3935 {
3936         int group_button;
3937
3938         /*
3939          * 21UX2 has LED group 1 to the left and LED group 0
3940          * to the right. We need to reverse the group to match this
3941          * historical behavior.
3942          */
3943         if (wacom->wacom_wac.features.type == WACOM_21UX2)
3944                 group = 1 - group;
3945
3946         group_button = group * (button_count/wacom->led.count);
3947
3948         if (wacom->wacom_wac.features.type == INTUOSP2_BT)
3949                 group_button = 8;
3950
3951         return mask & (1 << group_button);
3952 }
3953
3954 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
3955                              int group)
3956 {
3957         struct wacom_led *led, *next_led;
3958         int cur;
3959         bool pressed;
3960
3961         if (wacom->wacom_wac.features.type == WACOM_24HD)
3962                 return wacom_24hd_update_leds(wacom, mask, group);
3963
3964         pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
3965         cur = wacom->led.groups[group].select;
3966
3967         led = wacom_led_find(wacom, group, cur);
3968         if (!led) {
3969                 hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
3970                         cur, group);
3971                 return;
3972         }
3973
3974         if (!pressed) {
3975                 led->held = false;
3976                 return;
3977         }
3978
3979         if (led->held && pressed)
3980                 return;
3981
3982         next_led = wacom_led_next(wacom, led);
3983         if (!next_led) {
3984                 hid_err(wacom->hdev, "can't find next LED in group %d\n",
3985                         group);
3986                 return;
3987         }
3988         if (next_led == led)
3989                 return;
3990
3991         next_led->held = true;
3992         led_trigger_event(&next_led->trigger,
3993                           wacom_leds_brightness_get(next_led));
3994 }
3995
3996 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
3997                                 int button_count, int mask)
3998 {
3999         struct wacom *wacom = input_get_drvdata(input_dev);
4000         int i;
4001
4002         for (i = 0; i < wacom->led.count; i++)
4003                 wacom_update_led(wacom,  button_count, mask, i);
4004
4005         for (i = 0; i < button_count; i++) {
4006                 int key = wacom_numbered_button_to_key(i);
4007
4008                 if (key)
4009                         input_report_key(input_dev, key, mask & (1 << i));
4010         }
4011 }
4012
4013 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
4014                                    struct wacom_wac *wacom_wac)
4015 {
4016         struct wacom_features *features = &wacom_wac->features;
4017
4018         if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
4019                 features->device_type |= WACOM_DEVICETYPE_PAD;
4020
4021         if (!(features->device_type & WACOM_DEVICETYPE_PAD))
4022                 return -ENODEV;
4023
4024         if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
4025                 return -ENODEV;
4026
4027         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
4028
4029         /* kept for making legacy xf86-input-wacom working with the wheels */
4030         __set_bit(ABS_MISC, input_dev->absbit);
4031
4032         /* kept for making legacy xf86-input-wacom accepting the pad */
4033         if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
4034               input_dev->absinfo[ABS_X].maximum)))
4035                 input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
4036         if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
4037               input_dev->absinfo[ABS_Y].maximum)))
4038                 input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
4039
4040         /* kept for making udev and libwacom accepting the pad */
4041         __set_bit(BTN_STYLUS, input_dev->keybit);
4042
4043         wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
4044
4045         switch (features->type) {
4046
4047         case CINTIQ_HYBRID:
4048         case CINTIQ_COMPANION_2:
4049         case DTK:
4050         case DTUS:
4051         case GRAPHIRE_BT:
4052                 break;
4053
4054         case WACOM_MO:
4055                 __set_bit(BTN_BACK, input_dev->keybit);
4056                 __set_bit(BTN_LEFT, input_dev->keybit);
4057                 __set_bit(BTN_FORWARD, input_dev->keybit);
4058                 __set_bit(BTN_RIGHT, input_dev->keybit);
4059                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4060                 break;
4061
4062         case WACOM_G4:
4063                 __set_bit(BTN_BACK, input_dev->keybit);
4064                 __set_bit(BTN_FORWARD, input_dev->keybit);
4065                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
4066                 break;
4067
4068         case WACOM_24HD:
4069                 __set_bit(KEY_PROG1, input_dev->keybit);
4070                 __set_bit(KEY_PROG2, input_dev->keybit);
4071                 __set_bit(KEY_PROG3, input_dev->keybit);
4072
4073                 __set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4074                 __set_bit(KEY_INFO, input_dev->keybit);
4075
4076                 if (!features->oPid)
4077                         __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4078
4079                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4080                 input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
4081                 break;
4082
4083         case WACOM_27QHD:
4084                 __set_bit(KEY_PROG1, input_dev->keybit);
4085                 __set_bit(KEY_PROG2, input_dev->keybit);
4086                 __set_bit(KEY_PROG3, input_dev->keybit);
4087
4088                 __set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4089                 __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4090
4091                 if (!features->oPid)
4092                         __set_bit(KEY_CONTROLPANEL, input_dev->keybit);
4093                 input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
4094                 input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
4095                 input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
4096                 input_abs_set_res(input_dev, ABS_Y, 1024);
4097                 input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
4098                 input_abs_set_res(input_dev, ABS_Z, 1024);
4099                 __set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
4100                 break;
4101
4102         case WACOM_22HD:
4103                 __set_bit(KEY_PROG1, input_dev->keybit);
4104                 __set_bit(KEY_PROG2, input_dev->keybit);
4105                 __set_bit(KEY_PROG3, input_dev->keybit);
4106
4107                 __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4108                 __set_bit(KEY_INFO, input_dev->keybit);
4109                 fallthrough;
4110
4111         case WACOM_21UX2:
4112         case WACOM_BEE:
4113         case CINTIQ:
4114                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4115                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4116                 break;
4117
4118         case WACOM_13HD:
4119                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4120                 break;
4121
4122         case INTUOS3:
4123         case INTUOS3L:
4124                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4125                 fallthrough;
4126
4127         case INTUOS3S:
4128                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4129                 break;
4130
4131         case INTUOS5:
4132         case INTUOS5L:
4133         case INTUOSPM:
4134         case INTUOSPL:
4135         case INTUOS5S:
4136         case INTUOSPS:
4137         case INTUOSP2_BT:
4138         case INTUOSP2S_BT:
4139                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4140                 break;
4141
4142         case INTUOS4WL:
4143                 /*
4144                  * For Bluetooth devices, the udev rule does not work correctly
4145                  * for pads unless we add a stylus capability, which forces
4146                  * ID_INPUT_TABLET to be set.
4147                  */
4148                 __set_bit(BTN_STYLUS, input_dev->keybit);
4149                 fallthrough;
4150
4151         case INTUOS4:
4152         case INTUOS4L:
4153         case INTUOS4S:
4154                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4155                 break;
4156
4157         case INTUOSHT:
4158         case BAMBOO_PT:
4159         case BAMBOO_TOUCH:
4160         case INTUOSHT2:
4161                 __clear_bit(ABS_MISC, input_dev->absbit);
4162
4163                 __set_bit(BTN_LEFT, input_dev->keybit);
4164                 __set_bit(BTN_FORWARD, input_dev->keybit);
4165                 __set_bit(BTN_BACK, input_dev->keybit);
4166                 __set_bit(BTN_RIGHT, input_dev->keybit);
4167
4168                 break;
4169
4170         case REMOTE:
4171                 input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
4172                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4173                 break;
4174
4175         case INTUOSHT3_BT:
4176         case HID_GENERIC:
4177                 break;
4178
4179         default:
4180                 /* no pad supported */
4181                 return -ENODEV;
4182         }
4183         return 0;
4184 }
4185
4186 static const struct wacom_features wacom_features_0x00 =
4187         { "Wacom Penpartner", 5040, 3780, 255, 0,
4188           PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4189 static const struct wacom_features wacom_features_0x10 =
4190         { "Wacom Graphire", 10206, 7422, 511, 63,
4191           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4192 static const struct wacom_features wacom_features_0x81 =
4193         { "Wacom Graphire BT", 16704, 12064, 511, 32,
4194           GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
4195 static const struct wacom_features wacom_features_0x11 =
4196         { "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
4197           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4198 static const struct wacom_features wacom_features_0x12 =
4199         { "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
4200           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4201 static const struct wacom_features wacom_features_0x13 =
4202         { "Wacom Graphire3", 10208, 7424, 511, 63,
4203           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4204 static const struct wacom_features wacom_features_0x14 =
4205         { "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
4206           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4207 static const struct wacom_features wacom_features_0x15 =
4208         { "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
4209           WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4210 static const struct wacom_features wacom_features_0x16 =
4211         { "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
4212           WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4213 static const struct wacom_features wacom_features_0x17 =
4214         { "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
4215           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4216 static const struct wacom_features wacom_features_0x18 =
4217         { "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
4218           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4219 static const struct wacom_features wacom_features_0x19 =
4220         { "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
4221           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4222 static const struct wacom_features wacom_features_0x60 =
4223         { "Wacom Volito", 5104, 3712, 511, 63,
4224           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4225 static const struct wacom_features wacom_features_0x61 =
4226         { "Wacom PenStation2", 3250, 2320, 255, 63,
4227           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4228 static const struct wacom_features wacom_features_0x62 =
4229         { "Wacom Volito2 4x5", 5104, 3712, 511, 63,
4230           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4231 static const struct wacom_features wacom_features_0x63 =
4232         { "Wacom Volito2 2x3", 3248, 2320, 511, 63,
4233           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4234 static const struct wacom_features wacom_features_0x64 =
4235         { "Wacom PenPartner2", 3250, 2320, 511, 63,
4236           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4237 static const struct wacom_features wacom_features_0x65 =
4238         { "Wacom Bamboo", 14760, 9225, 511, 63,
4239           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4240 static const struct wacom_features wacom_features_0x69 =
4241         { "Wacom Bamboo1", 5104, 3712, 511, 63,
4242           GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4243 static const struct wacom_features wacom_features_0x6A =
4244         { "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
4245           GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4246 static const struct wacom_features wacom_features_0x6B =
4247         { "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
4248           GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4249 static const struct wacom_features wacom_features_0x20 =
4250         { "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
4251           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4252 static const struct wacom_features wacom_features_0x21 =
4253         { "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
4254           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4255 static const struct wacom_features wacom_features_0x22 =
4256         { "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
4257           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4258 static const struct wacom_features wacom_features_0x23 =
4259         { "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
4260           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4261 static const struct wacom_features wacom_features_0x24 =
4262         { "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
4263           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4264 static const struct wacom_features wacom_features_0x30 =
4265         { "Wacom PL400", 5408, 4056, 255, 0,
4266           PL, WACOM_PL_RES, WACOM_PL_RES };
4267 static const struct wacom_features wacom_features_0x31 =
4268         { "Wacom PL500", 6144, 4608, 255, 0,
4269           PL, WACOM_PL_RES, WACOM_PL_RES };
4270 static const struct wacom_features wacom_features_0x32 =
4271         { "Wacom PL600", 6126, 4604, 255, 0,
4272           PL, WACOM_PL_RES, WACOM_PL_RES };
4273 static const struct wacom_features wacom_features_0x33 =
4274         { "Wacom PL600SX", 6260, 5016, 255, 0,
4275           PL, WACOM_PL_RES, WACOM_PL_RES };
4276 static const struct wacom_features wacom_features_0x34 =
4277         { "Wacom PL550", 6144, 4608, 511, 0,
4278           PL, WACOM_PL_RES, WACOM_PL_RES };
4279 static const struct wacom_features wacom_features_0x35 =
4280         { "Wacom PL800", 7220, 5780, 511, 0,
4281           PL, WACOM_PL_RES, WACOM_PL_RES };
4282 static const struct wacom_features wacom_features_0x37 =
4283         { "Wacom PL700", 6758, 5406, 511, 0,
4284           PL, WACOM_PL_RES, WACOM_PL_RES };
4285 static const struct wacom_features wacom_features_0x38 =
4286         { "Wacom PL510", 6282, 4762, 511, 0,
4287           PL, WACOM_PL_RES, WACOM_PL_RES };
4288 static const struct wacom_features wacom_features_0x39 =
4289         { "Wacom DTU710", 34080, 27660, 511, 0,
4290           PL, WACOM_PL_RES, WACOM_PL_RES };
4291 static const struct wacom_features wacom_features_0xC4 =
4292         { "Wacom DTF521", 6282, 4762, 511, 0,
4293           PL, WACOM_PL_RES, WACOM_PL_RES };
4294 static const struct wacom_features wacom_features_0xC0 =
4295         { "Wacom DTF720", 6858, 5506, 511, 0,
4296           PL, WACOM_PL_RES, WACOM_PL_RES };
4297 static const struct wacom_features wacom_features_0xC2 =
4298         { "Wacom DTF720a", 6858, 5506, 511, 0,
4299           PL, WACOM_PL_RES, WACOM_PL_RES };
4300 static const struct wacom_features wacom_features_0x03 =
4301         { "Wacom Cintiq Partner", 20480, 15360, 511, 0,
4302           PTU, WACOM_PL_RES, WACOM_PL_RES };
4303 static const struct wacom_features wacom_features_0x41 =
4304         { "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
4305           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4306 static const struct wacom_features wacom_features_0x42 =
4307         { "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4308           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4309 static const struct wacom_features wacom_features_0x43 =
4310         { "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4311           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4312 static const struct wacom_features wacom_features_0x44 =
4313         { "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4314           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4315 static const struct wacom_features wacom_features_0x45 =
4316         { "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4317           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4318 static const struct wacom_features wacom_features_0xB0 =
4319         { "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4320           INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4321 static const struct wacom_features wacom_features_0xB1 =
4322         { "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4323           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4324 static const struct wacom_features wacom_features_0xB2 =
4325         { "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4326           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4327 static const struct wacom_features wacom_features_0xB3 =
4328         { "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4329           INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4330 static const struct wacom_features wacom_features_0xB4 =
4331         { "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4332           INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4333 static const struct wacom_features wacom_features_0xB5 =
4334         { "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4335           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4336 static const struct wacom_features wacom_features_0xB7 =
4337         { "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4338           INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4339 static const struct wacom_features wacom_features_0xB8 =
4340         { "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4341           INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4342 static const struct wacom_features wacom_features_0xB9 =
4343         { "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4344           INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4345 static const struct wacom_features wacom_features_0xBA =
4346         { "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4347           INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4348 static const struct wacom_features wacom_features_0xBB =
4349         { "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4350           INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4351 static const struct wacom_features wacom_features_0xBC =
4352         { "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4353           INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4354 static const struct wacom_features wacom_features_0xBD =
4355         { "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4356           INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4357 static const struct wacom_features wacom_features_0x26 =
4358         { "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4359           INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4360 static const struct wacom_features wacom_features_0x27 =
4361         { "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4362           INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4363 static const struct wacom_features wacom_features_0x28 =
4364         { "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4365           INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4366 static const struct wacom_features wacom_features_0x29 =
4367         { "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4368           INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4369 static const struct wacom_features wacom_features_0x2A =
4370         { "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4371           INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4372 static const struct wacom_features wacom_features_0x314 =
4373         { "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4374           INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4375           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4376 static const struct wacom_features wacom_features_0x315 =
4377         { "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4378           INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4379           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4380 static const struct wacom_features wacom_features_0x317 =
4381         { "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4382           INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4383           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4384 static const struct wacom_features wacom_features_0xF4 =
4385         { "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4386           WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4387           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4388           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4389 static const struct wacom_features wacom_features_0xF8 =
4390         { "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4391           WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4392           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4393           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4394           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4395 static const struct wacom_features wacom_features_0xF6 =
4396         { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4397           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4398           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4399 static const struct wacom_features wacom_features_0x32A =
4400         { "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4401           WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4402           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4403           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4404 static const struct wacom_features wacom_features_0x32B =
4405         { "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4406           WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4407           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4408           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4409           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4410 static const struct wacom_features wacom_features_0x32C =
4411         { "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4412           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4413 static const struct wacom_features wacom_features_0x3F =
4414         { "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4415           CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4416 static const struct wacom_features wacom_features_0xC5 =
4417         { "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4418           WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4419 static const struct wacom_features wacom_features_0xC6 =
4420         { "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4421           WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4422 static const struct wacom_features wacom_features_0x304 =
4423         { "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4424           WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4425           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4426           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4427 static const struct wacom_features wacom_features_0x333 =
4428         { "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4429           WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4430           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4431           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4432           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4433 static const struct wacom_features wacom_features_0x335 =
4434         { "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4435           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4436           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4437 static const struct wacom_features wacom_features_0xC7 =
4438         { "Wacom DTU1931", 37832, 30305, 511, 0,
4439           PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4440 static const struct wacom_features wacom_features_0xCE =
4441         { "Wacom DTU2231", 47864, 27011, 511, 0,
4442           DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4443           .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4444 static const struct wacom_features wacom_features_0xF0 =
4445         { "Wacom DTU1631", 34623, 19553, 511, 0,
4446           DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4447 static const struct wacom_features wacom_features_0xFB =
4448         { "Wacom DTU1031", 22096, 13960, 511, 0,
4449           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4450           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4451           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4452 static const struct wacom_features wacom_features_0x32F =
4453         { "Wacom DTU1031X", 22672, 12928, 511, 0,
4454           DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4455           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4456           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4457 static const struct wacom_features wacom_features_0x336 =
4458         { "Wacom DTU1141", 23672, 13403, 1023, 0,
4459           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4460           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4461           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4462 static const struct wacom_features wacom_features_0x57 =
4463         { "Wacom DTK2241", 95840, 54260, 2047, 63,
4464           DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4465           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4466           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4467 static const struct wacom_features wacom_features_0x59 = /* Pen */
4468         { "Wacom DTH2242", 95840, 54260, 2047, 63,
4469           DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4470           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4471           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4472           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4473 static const struct wacom_features wacom_features_0x5D = /* Touch */
4474         { "Wacom DTH2242",       .type = WACOM_24HDT,
4475           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4476           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4477 static const struct wacom_features wacom_features_0xCC =
4478         { "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4479           WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4480           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4481           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4482 static const struct wacom_features wacom_features_0xFA =
4483         { "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4484           WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4485           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4486           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4487 static const struct wacom_features wacom_features_0x5B =
4488         { "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4489           WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4490           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4491           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4492           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4493 static const struct wacom_features wacom_features_0x5E =
4494         { "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4495           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4496           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4497 static const struct wacom_features wacom_features_0x90 =
4498         { "Wacom ISDv4 90", 26202, 16325, 255, 0,
4499           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4500 static const struct wacom_features wacom_features_0x93 =
4501         { "Wacom ISDv4 93", 26202, 16325, 255, 0,
4502           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4503 static const struct wacom_features wacom_features_0x97 =
4504         { "Wacom ISDv4 97", 26202, 16325, 511, 0,
4505           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4506 static const struct wacom_features wacom_features_0x9A =
4507         { "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4508           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4509 static const struct wacom_features wacom_features_0x9F =
4510         { "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4511           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4512 static const struct wacom_features wacom_features_0xE2 =
4513         { "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4514           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4515 static const struct wacom_features wacom_features_0xE3 =
4516         { "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4517           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4518 static const struct wacom_features wacom_features_0xE5 =
4519         { "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4520           MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4521 static const struct wacom_features wacom_features_0xE6 =
4522         { "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4523           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4524 static const struct wacom_features wacom_features_0xEC =
4525         { "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4526           TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4527 static const struct wacom_features wacom_features_0xED =
4528         { "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4529           TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4530 static const struct wacom_features wacom_features_0xEF =
4531         { "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4532           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4533 static const struct wacom_features wacom_features_0x100 =
4534         { "Wacom ISDv4 100", 26202, 16325, 255, 0,
4535           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4536 static const struct wacom_features wacom_features_0x101 =
4537         { "Wacom ISDv4 101", 26202, 16325, 255, 0,
4538           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4539 static const struct wacom_features wacom_features_0x10D =
4540         { "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4541           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4542 static const struct wacom_features wacom_features_0x10E =
4543         { "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4544           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4545 static const struct wacom_features wacom_features_0x10F =
4546         { "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4547           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4548 static const struct wacom_features wacom_features_0x116 =
4549         { "Wacom ISDv4 116", 26202, 16325, 255, 0,
4550           TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4551 static const struct wacom_features wacom_features_0x12C =
4552         { "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4553           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4554 static const struct wacom_features wacom_features_0x4001 =
4555         { "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4556           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4557 static const struct wacom_features wacom_features_0x4004 =
4558         { "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4559           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4560 static const struct wacom_features wacom_features_0x5000 =
4561         { "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4562           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4563 static const struct wacom_features wacom_features_0x5002 =
4564         { "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4565           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4566 static const struct wacom_features wacom_features_0x47 =
4567         { "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4568           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4569 static const struct wacom_features wacom_features_0x84 =
4570         { "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4571 static const struct wacom_features wacom_features_0xD0 =
4572         { "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4573           BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4574 static const struct wacom_features wacom_features_0xD1 =
4575         { "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4576           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4577 static const struct wacom_features wacom_features_0xD2 =
4578         { "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4579           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4580 static const struct wacom_features wacom_features_0xD3 =
4581         { "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4582           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4583 static const struct wacom_features wacom_features_0xD4 =
4584         { "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4585           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4586 static const struct wacom_features wacom_features_0xD5 =
4587         { "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4588           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4589 static const struct wacom_features wacom_features_0xD6 =
4590         { "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4591           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4592 static const struct wacom_features wacom_features_0xD7 =
4593         { "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4594           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4595 static const struct wacom_features wacom_features_0xD8 =
4596         { "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4597           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4598 static const struct wacom_features wacom_features_0xDA =
4599         { "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4600           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4601 static const struct wacom_features wacom_features_0xDB =
4602         { "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4603           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4604 static const struct wacom_features wacom_features_0xDD =
4605         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4606           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4607 static const struct wacom_features wacom_features_0xDE =
4608         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4609           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4610 static const struct wacom_features wacom_features_0xDF =
4611         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4612           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4613 static const struct wacom_features wacom_features_0x300 =
4614         { "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4615           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4616 static const struct wacom_features wacom_features_0x301 =
4617         { "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4618           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4619 static const struct wacom_features wacom_features_0x302 =
4620         { "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4621           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4622           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4623 static const struct wacom_features wacom_features_0x303 =
4624         { "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4625           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4626           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4627 static const struct wacom_features wacom_features_0x30E =
4628         { "Wacom Intuos S", 15200, 9500, 1023, 31,
4629           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4630           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4631 static const struct wacom_features wacom_features_0x6004 =
4632         { "ISD-V4", 12800, 8000, 255, 0,
4633           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4634 static const struct wacom_features wacom_features_0x307 =
4635         { "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4636           CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4637           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4638           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4639           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4640 static const struct wacom_features wacom_features_0x309 =
4641         { "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4642           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4643           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4644 static const struct wacom_features wacom_features_0x30A =
4645         { "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4646           CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4647           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4648           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4649           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4650 static const struct wacom_features wacom_features_0x30C =
4651         { "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4652           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4653           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4654 static const struct wacom_features wacom_features_0x318 =
4655         { "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4656           .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4657 static const struct wacom_features wacom_features_0x319 =
4658         { "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4659           .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4660 static const struct wacom_features wacom_features_0x325 =
4661         { "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4662           CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4663           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4664           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4665           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4666 static const struct wacom_features wacom_features_0x326 = /* Touch */
4667         { "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4668           .oPid = 0x325 };
4669 static const struct wacom_features wacom_features_0x323 =
4670         { "Wacom Intuos P M", 21600, 13500, 1023, 31,
4671           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4672           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4673 static const struct wacom_features wacom_features_0x331 =
4674         { "Wacom Express Key Remote", .type = REMOTE,
4675           .numbered_buttons = 18, .check_for_hid_type = true,
4676           .hid_type = HID_TYPE_USBNONE };
4677 static const struct wacom_features wacom_features_0x33B =
4678         { "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4679           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4680           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4681 static const struct wacom_features wacom_features_0x33C =
4682         { "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4683           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4684           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4685 static const struct wacom_features wacom_features_0x33D =
4686         { "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4687           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4688           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4689 static const struct wacom_features wacom_features_0x33E =
4690         { "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4691           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4692           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4693 static const struct wacom_features wacom_features_0x343 =
4694         { "Wacom DTK1651", 34816, 19759, 1023, 0,
4695           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4696           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4697           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4698 static const struct wacom_features wacom_features_0x360 =
4699         { "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4700           INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4701 static const struct wacom_features wacom_features_0x361 =
4702         { "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4703           INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4704 static const struct wacom_features wacom_features_0x377 =
4705         { "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4706           INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4707 static const struct wacom_features wacom_features_0x379 =
4708         { "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4709           INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4710 static const struct wacom_features wacom_features_0x37A =
4711         { "Wacom One by Wacom S", 15200, 9500, 2047, 63,
4712           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4713 static const struct wacom_features wacom_features_0x37B =
4714         { "Wacom One by Wacom M", 21600, 13500, 2047, 63,
4715           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4716 static const struct wacom_features wacom_features_0x393 =
4717         { "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4718           INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4719           .touch_max = 10 };
4720
4721 static const struct wacom_features wacom_features_HID_ANY_ID =
4722         { "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4723
4724 #define USB_DEVICE_WACOM(prod)                                          \
4725         HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4726         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4727
4728 #define BT_DEVICE_WACOM(prod)                                           \
4729         HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4730         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4731
4732 #define I2C_DEVICE_WACOM(prod)                                          \
4733         HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4734         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4735
4736 #define USB_DEVICE_LENOVO(prod)                                 \
4737         HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),                     \
4738         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4739
4740 const struct hid_device_id wacom_ids[] = {
4741         { USB_DEVICE_WACOM(0x00) },
4742         { USB_DEVICE_WACOM(0x03) },
4743         { USB_DEVICE_WACOM(0x10) },
4744         { USB_DEVICE_WACOM(0x11) },
4745         { USB_DEVICE_WACOM(0x12) },
4746         { USB_DEVICE_WACOM(0x13) },
4747         { USB_DEVICE_WACOM(0x14) },
4748         { USB_DEVICE_WACOM(0x15) },
4749         { USB_DEVICE_WACOM(0x16) },
4750         { USB_DEVICE_WACOM(0x17) },
4751         { USB_DEVICE_WACOM(0x18) },
4752         { USB_DEVICE_WACOM(0x19) },
4753         { USB_DEVICE_WACOM(0x20) },
4754         { USB_DEVICE_WACOM(0x21) },
4755         { USB_DEVICE_WACOM(0x22) },
4756         { USB_DEVICE_WACOM(0x23) },
4757         { USB_DEVICE_WACOM(0x24) },
4758         { USB_DEVICE_WACOM(0x26) },
4759         { USB_DEVICE_WACOM(0x27) },
4760         { USB_DEVICE_WACOM(0x28) },
4761         { USB_DEVICE_WACOM(0x29) },
4762         { USB_DEVICE_WACOM(0x2A) },
4763         { USB_DEVICE_WACOM(0x30) },
4764         { USB_DEVICE_WACOM(0x31) },
4765         { USB_DEVICE_WACOM(0x32) },
4766         { USB_DEVICE_WACOM(0x33) },
4767         { USB_DEVICE_WACOM(0x34) },
4768         { USB_DEVICE_WACOM(0x35) },
4769         { USB_DEVICE_WACOM(0x37) },
4770         { USB_DEVICE_WACOM(0x38) },
4771         { USB_DEVICE_WACOM(0x39) },
4772         { USB_DEVICE_WACOM(0x3F) },
4773         { USB_DEVICE_WACOM(0x41) },
4774         { USB_DEVICE_WACOM(0x42) },
4775         { USB_DEVICE_WACOM(0x43) },
4776         { USB_DEVICE_WACOM(0x44) },
4777         { USB_DEVICE_WACOM(0x45) },
4778         { USB_DEVICE_WACOM(0x47) },
4779         { USB_DEVICE_WACOM(0x57) },
4780         { USB_DEVICE_WACOM(0x59) },
4781         { USB_DEVICE_WACOM(0x5B) },
4782         { USB_DEVICE_WACOM(0x5D) },
4783         { USB_DEVICE_WACOM(0x5E) },
4784         { USB_DEVICE_WACOM(0x60) },
4785         { USB_DEVICE_WACOM(0x61) },
4786         { USB_DEVICE_WACOM(0x62) },
4787         { USB_DEVICE_WACOM(0x63) },
4788         { USB_DEVICE_WACOM(0x64) },
4789         { USB_DEVICE_WACOM(0x65) },
4790         { USB_DEVICE_WACOM(0x69) },
4791         { USB_DEVICE_WACOM(0x6A) },
4792         { USB_DEVICE_WACOM(0x6B) },
4793         { BT_DEVICE_WACOM(0x81) },
4794         { USB_DEVICE_WACOM(0x84) },
4795         { USB_DEVICE_WACOM(0x90) },
4796         { USB_DEVICE_WACOM(0x93) },
4797         { USB_DEVICE_WACOM(0x97) },
4798         { USB_DEVICE_WACOM(0x9A) },
4799         { USB_DEVICE_WACOM(0x9F) },
4800         { USB_DEVICE_WACOM(0xB0) },
4801         { USB_DEVICE_WACOM(0xB1) },
4802         { USB_DEVICE_WACOM(0xB2) },
4803         { USB_DEVICE_WACOM(0xB3) },
4804         { USB_DEVICE_WACOM(0xB4) },
4805         { USB_DEVICE_WACOM(0xB5) },
4806         { USB_DEVICE_WACOM(0xB7) },
4807         { USB_DEVICE_WACOM(0xB8) },
4808         { USB_DEVICE_WACOM(0xB9) },
4809         { USB_DEVICE_WACOM(0xBA) },
4810         { USB_DEVICE_WACOM(0xBB) },
4811         { USB_DEVICE_WACOM(0xBC) },
4812         { BT_DEVICE_WACOM(0xBD) },
4813         { USB_DEVICE_WACOM(0xC0) },
4814         { USB_DEVICE_WACOM(0xC2) },
4815         { USB_DEVICE_WACOM(0xC4) },
4816         { USB_DEVICE_WACOM(0xC5) },
4817         { USB_DEVICE_WACOM(0xC6) },
4818         { USB_DEVICE_WACOM(0xC7) },
4819         { USB_DEVICE_WACOM(0xCC) },
4820         { USB_DEVICE_WACOM(0xCE) },
4821         { USB_DEVICE_WACOM(0xD0) },
4822         { USB_DEVICE_WACOM(0xD1) },
4823         { USB_DEVICE_WACOM(0xD2) },
4824         { USB_DEVICE_WACOM(0xD3) },
4825         { USB_DEVICE_WACOM(0xD4) },
4826         { USB_DEVICE_WACOM(0xD5) },
4827         { USB_DEVICE_WACOM(0xD6) },
4828         { USB_DEVICE_WACOM(0xD7) },
4829         { USB_DEVICE_WACOM(0xD8) },
4830         { USB_DEVICE_WACOM(0xDA) },
4831         { USB_DEVICE_WACOM(0xDB) },
4832         { USB_DEVICE_WACOM(0xDD) },
4833         { USB_DEVICE_WACOM(0xDE) },
4834         { USB_DEVICE_WACOM(0xDF) },
4835         { USB_DEVICE_WACOM(0xE2) },
4836         { USB_DEVICE_WACOM(0xE3) },
4837         { USB_DEVICE_WACOM(0xE5) },
4838         { USB_DEVICE_WACOM(0xE6) },
4839         { USB_DEVICE_WACOM(0xEC) },
4840         { USB_DEVICE_WACOM(0xED) },
4841         { USB_DEVICE_WACOM(0xEF) },
4842         { USB_DEVICE_WACOM(0xF0) },
4843         { USB_DEVICE_WACOM(0xF4) },
4844         { USB_DEVICE_WACOM(0xF6) },
4845         { USB_DEVICE_WACOM(0xF8) },
4846         { USB_DEVICE_WACOM(0xFA) },
4847         { USB_DEVICE_WACOM(0xFB) },
4848         { USB_DEVICE_WACOM(0x100) },
4849         { USB_DEVICE_WACOM(0x101) },
4850         { USB_DEVICE_WACOM(0x10D) },
4851         { USB_DEVICE_WACOM(0x10E) },
4852         { USB_DEVICE_WACOM(0x10F) },
4853         { USB_DEVICE_WACOM(0x116) },
4854         { USB_DEVICE_WACOM(0x12C) },
4855         { USB_DEVICE_WACOM(0x300) },
4856         { USB_DEVICE_WACOM(0x301) },
4857         { USB_DEVICE_WACOM(0x302) },
4858         { USB_DEVICE_WACOM(0x303) },
4859         { USB_DEVICE_WACOM(0x304) },
4860         { USB_DEVICE_WACOM(0x307) },
4861         { USB_DEVICE_WACOM(0x309) },
4862         { USB_DEVICE_WACOM(0x30A) },
4863         { USB_DEVICE_WACOM(0x30C) },
4864         { USB_DEVICE_WACOM(0x30E) },
4865         { USB_DEVICE_WACOM(0x314) },
4866         { USB_DEVICE_WACOM(0x315) },
4867         { USB_DEVICE_WACOM(0x317) },
4868         { USB_DEVICE_WACOM(0x318) },
4869         { USB_DEVICE_WACOM(0x319) },
4870         { USB_DEVICE_WACOM(0x323) },
4871         { USB_DEVICE_WACOM(0x325) },
4872         { USB_DEVICE_WACOM(0x326) },
4873         { USB_DEVICE_WACOM(0x32A) },
4874         { USB_DEVICE_WACOM(0x32B) },
4875         { USB_DEVICE_WACOM(0x32C) },
4876         { USB_DEVICE_WACOM(0x32F) },
4877         { USB_DEVICE_WACOM(0x331) },
4878         { USB_DEVICE_WACOM(0x333) },
4879         { USB_DEVICE_WACOM(0x335) },
4880         { USB_DEVICE_WACOM(0x336) },
4881         { USB_DEVICE_WACOM(0x33B) },
4882         { USB_DEVICE_WACOM(0x33C) },
4883         { USB_DEVICE_WACOM(0x33D) },
4884         { USB_DEVICE_WACOM(0x33E) },
4885         { USB_DEVICE_WACOM(0x343) },
4886         { BT_DEVICE_WACOM(0x360) },
4887         { BT_DEVICE_WACOM(0x361) },
4888         { BT_DEVICE_WACOM(0x377) },
4889         { BT_DEVICE_WACOM(0x379) },
4890         { USB_DEVICE_WACOM(0x37A) },
4891         { USB_DEVICE_WACOM(0x37B) },
4892         { BT_DEVICE_WACOM(0x393) },
4893         { USB_DEVICE_WACOM(0x4001) },
4894         { USB_DEVICE_WACOM(0x4004) },
4895         { USB_DEVICE_WACOM(0x5000) },
4896         { USB_DEVICE_WACOM(0x5002) },
4897         { USB_DEVICE_LENOVO(0x6004) },
4898
4899         { USB_DEVICE_WACOM(HID_ANY_ID) },
4900         { I2C_DEVICE_WACOM(HID_ANY_ID) },
4901         { BT_DEVICE_WACOM(HID_ANY_ID) },
4902         { }
4903 };
4904 MODULE_DEVICE_TABLE(hid, wacom_ids);