s390: remove SCHED_CORE from defconfigs
[linux-2.6-microblaze.git] / 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         switch (type) {
1864         case EV_ABS:
1865                 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1866                 input_abs_set_res(input, code,
1867                                   hidinput_calc_abs_res(field, resolution_code));
1868                 break;
1869         case EV_KEY:
1870         case EV_MSC:
1871         case EV_SW:
1872                 input_set_capability(input, type, code);
1873                 break;
1874         }
1875 }
1876
1877 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1878                 struct hid_field *field, struct hid_usage *usage)
1879 {
1880         struct wacom *wacom = hid_get_drvdata(hdev);
1881         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1882         struct wacom_features *features = &wacom_wac->features;
1883         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1884
1885         switch (equivalent_usage) {
1886         case HID_DG_BATTERYSTRENGTH:
1887         case WACOM_HID_WD_BATTERY_LEVEL:
1888         case WACOM_HID_WD_BATTERY_CHARGING:
1889                 features->quirks |= WACOM_QUIRK_BATTERY;
1890                 break;
1891         }
1892 }
1893
1894 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1895                 struct hid_usage *usage, __s32 value)
1896 {
1897         struct wacom *wacom = hid_get_drvdata(hdev);
1898         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1899         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1900
1901         switch (equivalent_usage) {
1902         case HID_DG_BATTERYSTRENGTH:
1903                 if (value == 0) {
1904                         wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1905                 }
1906                 else {
1907                         value = value * 100 / (field->logical_maximum - field->logical_minimum);
1908                         wacom_wac->hid_data.battery_capacity = value;
1909                         wacom_wac->hid_data.bat_connected = 1;
1910                         wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1911                 }
1912                 break;
1913         case WACOM_HID_WD_BATTERY_LEVEL:
1914                 value = value * 100 / (field->logical_maximum - field->logical_minimum);
1915                 wacom_wac->hid_data.battery_capacity = value;
1916                 wacom_wac->hid_data.bat_connected = 1;
1917                 wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1918                 break;
1919         case WACOM_HID_WD_BATTERY_CHARGING:
1920                 wacom_wac->hid_data.bat_charging = value;
1921                 wacom_wac->hid_data.ps_connected = value;
1922                 wacom_wac->hid_data.bat_connected = 1;
1923                 wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1924                 break;
1925         }
1926 }
1927
1928 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
1929                 struct hid_report *report)
1930 {
1931         return;
1932 }
1933
1934 static void wacom_wac_battery_report(struct hid_device *hdev,
1935                 struct hid_report *report)
1936 {
1937         struct wacom *wacom = hid_get_drvdata(hdev);
1938         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1939         struct wacom_features *features = &wacom_wac->features;
1940
1941         if (features->quirks & WACOM_QUIRK_BATTERY) {
1942                 int status = wacom_wac->hid_data.bat_status;
1943                 int capacity = wacom_wac->hid_data.battery_capacity;
1944                 bool charging = wacom_wac->hid_data.bat_charging;
1945                 bool connected = wacom_wac->hid_data.bat_connected;
1946                 bool powered = wacom_wac->hid_data.ps_connected;
1947
1948                 wacom_notify_battery(wacom_wac, status, capacity, charging,
1949                                      connected, powered);
1950         }
1951 }
1952
1953 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
1954                 struct hid_field *field, struct hid_usage *usage)
1955 {
1956         struct wacom *wacom = hid_get_drvdata(hdev);
1957         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1958         struct wacom_features *features = &wacom_wac->features;
1959         struct input_dev *input = wacom_wac->pad_input;
1960         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1961
1962         switch (equivalent_usage) {
1963         case WACOM_HID_WD_ACCELEROMETER_X:
1964                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1965                 wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
1966                 features->device_type |= WACOM_DEVICETYPE_PAD;
1967                 break;
1968         case WACOM_HID_WD_ACCELEROMETER_Y:
1969                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1970                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
1971                 features->device_type |= WACOM_DEVICETYPE_PAD;
1972                 break;
1973         case WACOM_HID_WD_ACCELEROMETER_Z:
1974                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
1975                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
1976                 features->device_type |= WACOM_DEVICETYPE_PAD;
1977                 break;
1978         case WACOM_HID_WD_BUTTONCENTER:
1979         case WACOM_HID_WD_BUTTONHOME:
1980         case WACOM_HID_WD_BUTTONUP:
1981         case WACOM_HID_WD_BUTTONDOWN:
1982         case WACOM_HID_WD_BUTTONLEFT:
1983         case WACOM_HID_WD_BUTTONRIGHT:
1984                 wacom_map_usage(input, usage, field, EV_KEY,
1985                                 wacom_numbered_button_to_key(features->numbered_buttons),
1986                                 0);
1987                 features->numbered_buttons++;
1988                 features->device_type |= WACOM_DEVICETYPE_PAD;
1989                 break;
1990         case WACOM_HID_WD_TOUCHONOFF:
1991         case WACOM_HID_WD_MUTE_DEVICE:
1992                 /*
1993                  * This usage, which is used to mute touch events, comes
1994                  * from the pad packet, but is reported on the touch
1995                  * interface. Because the touch interface may not have
1996                  * been created yet, we cannot call wacom_map_usage(). In
1997                  * order to process this usage when we receive it, we set
1998                  * the usage type and code directly.
1999                  */
2000                 wacom_wac->has_mute_touch_switch = true;
2001                 usage->type = EV_SW;
2002                 usage->code = SW_MUTE_DEVICE;
2003                 features->device_type |= WACOM_DEVICETYPE_PAD;
2004                 break;
2005         case WACOM_HID_WD_TOUCHSTRIP:
2006                 wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
2007                 features->device_type |= WACOM_DEVICETYPE_PAD;
2008                 break;
2009         case WACOM_HID_WD_TOUCHSTRIP2:
2010                 wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
2011                 features->device_type |= WACOM_DEVICETYPE_PAD;
2012                 break;
2013         case WACOM_HID_WD_TOUCHRING:
2014                 wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2015                 features->device_type |= WACOM_DEVICETYPE_PAD;
2016                 break;
2017         case WACOM_HID_WD_TOUCHRINGSTATUS:
2018                 /*
2019                  * Only set up type/code association. Completely mapping
2020                  * this usage may overwrite the axis resolution and range.
2021                  */
2022                 usage->type = EV_ABS;
2023                 usage->code = ABS_WHEEL;
2024                 set_bit(EV_ABS, input->evbit);
2025                 features->device_type |= WACOM_DEVICETYPE_PAD;
2026                 break;
2027         case WACOM_HID_WD_BUTTONCONFIG:
2028                 wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
2029                 features->device_type |= WACOM_DEVICETYPE_PAD;
2030                 break;
2031         case WACOM_HID_WD_ONSCREEN_KEYBOARD:
2032                 wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
2033                 features->device_type |= WACOM_DEVICETYPE_PAD;
2034                 break;
2035         case WACOM_HID_WD_CONTROLPANEL:
2036                 wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
2037                 features->device_type |= WACOM_DEVICETYPE_PAD;
2038                 break;
2039         case WACOM_HID_WD_MODE_CHANGE:
2040                 /* do not overwrite previous data */
2041                 if (!wacom_wac->has_mode_change) {
2042                         wacom_wac->has_mode_change = true;
2043                         wacom_wac->is_direct_mode = true;
2044                 }
2045                 features->device_type |= WACOM_DEVICETYPE_PAD;
2046                 break;
2047         }
2048
2049         switch (equivalent_usage & 0xfffffff0) {
2050         case WACOM_HID_WD_EXPRESSKEY00:
2051                 wacom_map_usage(input, usage, field, EV_KEY,
2052                                 wacom_numbered_button_to_key(features->numbered_buttons),
2053                                 0);
2054                 features->numbered_buttons++;
2055                 features->device_type |= WACOM_DEVICETYPE_PAD;
2056                 break;
2057         }
2058 }
2059
2060 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
2061                 struct hid_usage *usage, __s32 value)
2062 {
2063         struct wacom *wacom = hid_get_drvdata(hdev);
2064         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2065         struct input_dev *input = wacom_wac->pad_input;
2066         struct wacom_features *features = &wacom_wac->features;
2067         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2068         int i;
2069         bool do_report = false;
2070
2071         /*
2072          * Avoid reporting this event and setting inrange_state if this usage
2073          * hasn't been mapped.
2074          */
2075         if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2076                 return;
2077
2078         if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2079                 if (usage->hid != WACOM_HID_WD_TOUCHRING)
2080                         wacom_wac->hid_data.inrange_state |= value;
2081         }
2082
2083         switch (equivalent_usage) {
2084         case WACOM_HID_WD_TOUCHRING:
2085                 /*
2086                  * Userspace expects touchrings to increase in value with
2087                  * clockwise gestures and have their zero point at the
2088                  * tablet's left. HID events "should" be clockwise-
2089                  * increasing and zero at top, though the MobileStudio
2090                  * Pro and 2nd-gen Intuos Pro don't do this...
2091                  */
2092                 if (hdev->vendor == 0x56a &&
2093                     (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2094                      hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
2095                      hdev->product == 0x392 ||                            /* Intuos Pro 2 */
2096                      hdev->product == 0x398 || hdev->product == 0x399 ||  /* MobileStudio Pro */
2097                      hdev->product == 0x3AA)) {                           /* MobileStudio Pro */
2098                         value = (field->logical_maximum - value);
2099
2100                         if (hdev->product == 0x357 || hdev->product == 0x358 ||
2101                             hdev->product == 0x392)
2102                                 value = wacom_offset_rotation(input, usage, value, 3, 16);
2103                         else if (hdev->product == 0x34d || hdev->product == 0x34e ||
2104                                  hdev->product == 0x398 || hdev->product == 0x399 ||
2105                                  hdev->product == 0x3AA)
2106                                 value = wacom_offset_rotation(input, usage, value, 1, 2);
2107                 }
2108                 else {
2109                         value = wacom_offset_rotation(input, usage, value, 1, 4);
2110                 }
2111                 do_report = true;
2112                 break;
2113         case WACOM_HID_WD_TOUCHRINGSTATUS:
2114                 if (!value)
2115                         input_event(input, usage->type, usage->code, 0);
2116                 break;
2117
2118         case WACOM_HID_WD_MUTE_DEVICE:
2119         case WACOM_HID_WD_TOUCHONOFF:
2120                 if (wacom_wac->shared->touch_input) {
2121                         bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2122
2123                         if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2124                                 *is_touch_on = !(*is_touch_on);
2125                         else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2126                                 *is_touch_on = value;
2127
2128                         input_report_switch(wacom_wac->shared->touch_input,
2129                                             SW_MUTE_DEVICE, !(*is_touch_on));
2130                         input_sync(wacom_wac->shared->touch_input);
2131                 }
2132                 break;
2133
2134         case WACOM_HID_WD_MODE_CHANGE:
2135                 if (wacom_wac->is_direct_mode != value) {
2136                         wacom_wac->is_direct_mode = value;
2137                         wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2138                 }
2139                 break;
2140
2141         case WACOM_HID_WD_BUTTONCENTER:
2142                 for (i = 0; i < wacom->led.count; i++)
2143                         wacom_update_led(wacom, features->numbered_buttons,
2144                                          value, i);
2145                 fallthrough;
2146         default:
2147                 do_report = true;
2148                 break;
2149         }
2150
2151         if (do_report) {
2152                 input_event(input, usage->type, usage->code, value);
2153                 if (value)
2154                         wacom_wac->hid_data.pad_input_event_flag = true;
2155         }
2156 }
2157
2158 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2159                 struct hid_report *report)
2160 {
2161         struct wacom *wacom = hid_get_drvdata(hdev);
2162         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2163
2164         wacom_wac->hid_data.inrange_state = 0;
2165 }
2166
2167 static void wacom_wac_pad_report(struct hid_device *hdev,
2168                 struct hid_report *report, struct hid_field *field)
2169 {
2170         struct wacom *wacom = hid_get_drvdata(hdev);
2171         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2172         struct input_dev *input = wacom_wac->pad_input;
2173         bool active = wacom_wac->hid_data.inrange_state != 0;
2174
2175         /* report prox for expresskey events */
2176         if (wacom_wac->hid_data.pad_input_event_flag) {
2177                 input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2178                 input_sync(input);
2179                 if (!active)
2180                         wacom_wac->hid_data.pad_input_event_flag = false;
2181         }
2182 }
2183
2184 static void wacom_set_barrel_switch3_usage(struct wacom_wac *wacom_wac)
2185 {
2186         struct input_dev *input = wacom_wac->pen_input;
2187         struct wacom_features *features = &wacom_wac->features;
2188
2189         if (!(features->quirks & WACOM_QUIRK_AESPEN) &&
2190             wacom_wac->hid_data.barrelswitch &&
2191             wacom_wac->hid_data.barrelswitch2 &&
2192             wacom_wac->hid_data.serialhi)
2193                 input_set_capability(input, EV_KEY, BTN_STYLUS3);
2194 }
2195
2196 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2197                 struct hid_field *field, struct hid_usage *usage)
2198 {
2199         struct wacom *wacom = hid_get_drvdata(hdev);
2200         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2201         struct wacom_features *features = &wacom_wac->features;
2202         struct input_dev *input = wacom_wac->pen_input;
2203         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2204
2205         switch (equivalent_usage) {
2206         case HID_GD_X:
2207                 wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2208                 break;
2209         case HID_GD_Y:
2210                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2211                 break;
2212         case WACOM_HID_WD_DISTANCE:
2213         case HID_GD_Z:
2214                 wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2215                 break;
2216         case HID_DG_TIPPRESSURE:
2217                 wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2218                 break;
2219         case HID_DG_INRANGE:
2220                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2221                 break;
2222         case HID_DG_INVERT:
2223                 wacom_map_usage(input, usage, field, EV_KEY,
2224                                 BTN_TOOL_RUBBER, 0);
2225                 break;
2226         case HID_DG_TILT_X:
2227                 wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2228                 break;
2229         case HID_DG_TILT_Y:
2230                 wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2231                 break;
2232         case HID_DG_TWIST:
2233                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2234                 break;
2235         case HID_DG_ERASER:
2236                 input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2237                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2238                 break;
2239         case HID_DG_TIPSWITCH:
2240                 input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2241                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2242                 break;
2243         case HID_DG_BARRELSWITCH:
2244                 wacom_wac->hid_data.barrelswitch = true;
2245                 wacom_set_barrel_switch3_usage(wacom_wac);
2246                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2247                 break;
2248         case HID_DG_BARRELSWITCH2:
2249                 wacom_wac->hid_data.barrelswitch2 = true;
2250                 wacom_set_barrel_switch3_usage(wacom_wac);
2251                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2252                 break;
2253         case HID_DG_TOOLSERIALNUMBER:
2254                 features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2255                 wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2256                 break;
2257         case WACOM_HID_WD_SENSE:
2258                 features->quirks |= WACOM_QUIRK_SENSE;
2259                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2260                 break;
2261         case WACOM_HID_WD_SERIALHI:
2262                 wacom_wac->hid_data.serialhi = true;
2263                 wacom_set_barrel_switch3_usage(wacom_wac);
2264                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2265                 break;
2266         case WACOM_HID_WD_FINGERWHEEL:
2267                 input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2268                 wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2269                 break;
2270         }
2271 }
2272
2273 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2274                 struct hid_usage *usage, __s32 value)
2275 {
2276         struct wacom *wacom = hid_get_drvdata(hdev);
2277         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2278         struct wacom_features *features = &wacom_wac->features;
2279         struct input_dev *input = wacom_wac->pen_input;
2280         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2281
2282         if (wacom_wac->is_invalid_bt_frame)
2283                 return;
2284
2285         switch (equivalent_usage) {
2286         case HID_GD_Z:
2287                 /*
2288                  * HID_GD_Z "should increase as the control's position is
2289                  * moved from high to low", while ABS_DISTANCE instead
2290                  * increases in value as the tool moves from low to high.
2291                  */
2292                 value = field->logical_maximum - value;
2293                 break;
2294         case HID_DG_INRANGE:
2295                 wacom_wac->hid_data.inrange_state = value;
2296                 if (!(features->quirks & WACOM_QUIRK_SENSE))
2297                         wacom_wac->hid_data.sense_state = value;
2298                 return;
2299         case HID_DG_INVERT:
2300                 wacom_wac->hid_data.invert_state = value;
2301                 return;
2302         case HID_DG_ERASER:
2303         case HID_DG_TIPSWITCH:
2304                 wacom_wac->hid_data.tipswitch |= value;
2305                 return;
2306         case HID_DG_BARRELSWITCH:
2307                 wacom_wac->hid_data.barrelswitch = value;
2308                 return;
2309         case HID_DG_BARRELSWITCH2:
2310                 wacom_wac->hid_data.barrelswitch2 = value;
2311                 return;
2312         case HID_DG_TOOLSERIALNUMBER:
2313                 if (value) {
2314                         wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2315                         wacom_wac->serial[0] |= wacom_s32tou(value, field->report_size);
2316                 }
2317                 return;
2318         case HID_DG_TWIST:
2319                 /*
2320                  * Userspace expects pen twist to have its zero point when
2321                  * the buttons/finger is on the tablet's left. HID values
2322                  * are zero when buttons are toward the top.
2323                  */
2324                 value = wacom_offset_rotation(input, usage, value, 1, 4);
2325                 break;
2326         case WACOM_HID_WD_SENSE:
2327                 wacom_wac->hid_data.sense_state = value;
2328                 return;
2329         case WACOM_HID_WD_SERIALHI:
2330                 if (value) {
2331                         __u32 raw_value = wacom_s32tou(value, field->report_size);
2332
2333                         wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2334                         wacom_wac->serial[0] |= ((__u64)raw_value) << 32;
2335                         /*
2336                          * Non-USI EMR devices may contain additional tool type
2337                          * information here. See WACOM_HID_WD_TOOLTYPE case for
2338                          * more details.
2339                          */
2340                         if (value >> 20 == 1) {
2341                                 wacom_wac->id[0] |= raw_value & 0xFFFFF;
2342                         }
2343                 }
2344                 return;
2345         case WACOM_HID_WD_TOOLTYPE:
2346                 /*
2347                  * Some devices (MobileStudio Pro, and possibly later
2348                  * devices as well) do not return the complete tool
2349                  * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2350                  * bitwise OR so the complete value can be built
2351                  * up over time :(
2352                  */
2353                 wacom_wac->id[0] |= wacom_s32tou(value, field->report_size);
2354                 return;
2355         case WACOM_HID_WD_OFFSETLEFT:
2356                 if (features->offset_left && value != features->offset_left)
2357                         hid_warn(hdev, "%s: overriding existing left offset "
2358                                  "%d -> %d\n", __func__, value,
2359                                  features->offset_left);
2360                 features->offset_left = value;
2361                 return;
2362         case WACOM_HID_WD_OFFSETRIGHT:
2363                 if (features->offset_right && value != features->offset_right)
2364                         hid_warn(hdev, "%s: overriding existing right offset "
2365                                  "%d -> %d\n", __func__, value,
2366                                  features->offset_right);
2367                 features->offset_right = value;
2368                 return;
2369         case WACOM_HID_WD_OFFSETTOP:
2370                 if (features->offset_top && value != features->offset_top)
2371                         hid_warn(hdev, "%s: overriding existing top offset "
2372                                  "%d -> %d\n", __func__, value,
2373                                  features->offset_top);
2374                 features->offset_top = value;
2375                 return;
2376         case WACOM_HID_WD_OFFSETBOTTOM:
2377                 if (features->offset_bottom && value != features->offset_bottom)
2378                         hid_warn(hdev, "%s: overriding existing bottom offset "
2379                                  "%d -> %d\n", __func__, value,
2380                                  features->offset_bottom);
2381                 features->offset_bottom = value;
2382                 return;
2383         case WACOM_HID_WD_REPORT_VALID:
2384                 wacom_wac->is_invalid_bt_frame = !value;
2385                 return;
2386         }
2387
2388         /* send pen events only when touch is up or forced out
2389          * or touch arbitration is off
2390          */
2391         if (!usage->type || delay_pen_events(wacom_wac))
2392                 return;
2393
2394         /* send pen events only when the pen is in range */
2395         if (wacom_wac->hid_data.inrange_state)
2396                 input_event(input, usage->type, usage->code, value);
2397         else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2398                 input_event(input, usage->type, usage->code, 0);
2399 }
2400
2401 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2402                 struct hid_report *report)
2403 {
2404         struct wacom *wacom = hid_get_drvdata(hdev);
2405         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2406
2407         wacom_wac->is_invalid_bt_frame = false;
2408         return;
2409 }
2410
2411 static void wacom_wac_pen_report(struct hid_device *hdev,
2412                 struct hid_report *report)
2413 {
2414         struct wacom *wacom = hid_get_drvdata(hdev);
2415         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2416         struct input_dev *input = wacom_wac->pen_input;
2417         bool range = wacom_wac->hid_data.inrange_state;
2418         bool sense = wacom_wac->hid_data.sense_state;
2419
2420         if (wacom_wac->is_invalid_bt_frame)
2421                 return;
2422
2423         if (!wacom_wac->tool[0] && range) { /* first in range */
2424                 /* Going into range select tool */
2425                 if (wacom_wac->hid_data.invert_state)
2426                         wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2427                 else if (wacom_wac->id[0])
2428                         wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2429                 else
2430                         wacom_wac->tool[0] = BTN_TOOL_PEN;
2431         }
2432
2433         /* keep pen state for touch events */
2434         wacom_wac->shared->stylus_in_proximity = sense;
2435
2436         if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2437                 int id = wacom_wac->id[0];
2438                 int sw_state = wacom_wac->hid_data.barrelswitch |
2439                                (wacom_wac->hid_data.barrelswitch2 << 1);
2440
2441                 input_report_key(input, BTN_STYLUS, sw_state == 1);
2442                 input_report_key(input, BTN_STYLUS2, sw_state == 2);
2443                 input_report_key(input, BTN_STYLUS3, sw_state == 3);
2444
2445                 /*
2446                  * Non-USI EMR tools should have their IDs mangled to
2447                  * match the legacy behavior of wacom_intuos_general
2448                  */
2449                 if (wacom_wac->serial[0] >> 52 == 1)
2450                         id = wacom_intuos_id_mangle(id);
2451
2452                 /*
2453                  * To ensure compatibility with xf86-input-wacom, we should
2454                  * report the BTN_TOOL_* event prior to the ABS_MISC or
2455                  * MSC_SERIAL events.
2456                  */
2457                 input_report_key(input, BTN_TOUCH,
2458                                 wacom_wac->hid_data.tipswitch);
2459                 input_report_key(input, wacom_wac->tool[0], sense);
2460                 if (wacom_wac->serial[0]) {
2461                         input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2462                         input_report_abs(input, ABS_MISC, sense ? id : 0);
2463                 }
2464
2465                 wacom_wac->hid_data.tipswitch = false;
2466
2467                 input_sync(input);
2468         }
2469
2470         if (!sense) {
2471                 wacom_wac->tool[0] = 0;
2472                 wacom_wac->id[0] = 0;
2473                 wacom_wac->serial[0] = 0;
2474         }
2475 }
2476
2477 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2478                 struct hid_field *field, struct hid_usage *usage)
2479 {
2480         struct wacom *wacom = hid_get_drvdata(hdev);
2481         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2482         struct input_dev *input = wacom_wac->touch_input;
2483         unsigned touch_max = wacom_wac->features.touch_max;
2484         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2485
2486         switch (equivalent_usage) {
2487         case HID_GD_X:
2488                 if (touch_max == 1)
2489                         wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2490                 else
2491                         wacom_map_usage(input, usage, field, EV_ABS,
2492                                         ABS_MT_POSITION_X, 4);
2493                 break;
2494         case HID_GD_Y:
2495                 if (touch_max == 1)
2496                         wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2497                 else
2498                         wacom_map_usage(input, usage, field, EV_ABS,
2499                                         ABS_MT_POSITION_Y, 4);
2500                 break;
2501         case HID_DG_WIDTH:
2502         case HID_DG_HEIGHT:
2503                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2504                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2505                 input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2506                 break;
2507         case HID_DG_TIPSWITCH:
2508                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2509                 break;
2510         case HID_DG_CONTACTCOUNT:
2511                 wacom_wac->hid_data.cc_report = field->report->id;
2512                 wacom_wac->hid_data.cc_index = field->index;
2513                 wacom_wac->hid_data.cc_value_index = usage->usage_index;
2514                 break;
2515         case HID_DG_CONTACTID:
2516                 if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2517                         /*
2518                          * The HID descriptor for G11 sensors leaves logical
2519                          * maximum set to '1' despite it being a multitouch
2520                          * device. Override to a sensible number.
2521                          */
2522                         field->logical_maximum = 255;
2523                 }
2524                 break;
2525         }
2526 }
2527
2528 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2529                 struct input_dev *input)
2530 {
2531         struct hid_data *hid_data = &wacom_wac->hid_data;
2532         bool mt = wacom_wac->features.touch_max > 1;
2533         bool prox = hid_data->tipswitch &&
2534                     report_touch_events(wacom_wac);
2535
2536         if (wacom_wac->shared->has_mute_touch_switch &&
2537             !wacom_wac->shared->is_touch_on) {
2538                 if (!wacom_wac->shared->touch_down)
2539                         return;
2540                 prox = false;
2541         }
2542
2543         wacom_wac->hid_data.num_received++;
2544         if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2545                 return;
2546
2547         if (mt) {
2548                 int slot;
2549
2550                 slot = input_mt_get_slot_by_key(input, hid_data->id);
2551                 input_mt_slot(input, slot);
2552                 input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2553         }
2554         else {
2555                 input_report_key(input, BTN_TOUCH, prox);
2556         }
2557
2558         if (prox) {
2559                 input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2560                                  hid_data->x);
2561                 input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2562                                  hid_data->y);
2563
2564                 if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2565                         input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2566                         input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2567                         if (hid_data->width != hid_data->height)
2568                                 input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2569                 }
2570         }
2571 }
2572
2573 static void wacom_wac_finger_event(struct hid_device *hdev,
2574                 struct hid_field *field, struct hid_usage *usage, __s32 value)
2575 {
2576         struct wacom *wacom = hid_get_drvdata(hdev);
2577         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2578         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2579         struct wacom_features *features = &wacom->wacom_wac.features;
2580
2581         if (wacom_wac->is_invalid_bt_frame)
2582                 return;
2583
2584         switch (equivalent_usage) {
2585         case HID_GD_X:
2586                 wacom_wac->hid_data.x = value;
2587                 break;
2588         case HID_GD_Y:
2589                 wacom_wac->hid_data.y = value;
2590                 break;
2591         case HID_DG_WIDTH:
2592                 wacom_wac->hid_data.width = value;
2593                 break;
2594         case HID_DG_HEIGHT:
2595                 wacom_wac->hid_data.height = value;
2596                 break;
2597         case HID_DG_CONTACTID:
2598                 wacom_wac->hid_data.id = value;
2599                 break;
2600         case HID_DG_TIPSWITCH:
2601                 wacom_wac->hid_data.tipswitch = value;
2602                 break;
2603         case WACOM_HID_WT_REPORT_VALID:
2604                 wacom_wac->is_invalid_bt_frame = !value;
2605                 return;
2606         case HID_DG_CONTACTMAX:
2607                 if (!features->touch_max) {
2608                         features->touch_max = value;
2609                 } else {
2610                         hid_warn(hdev, "%s: ignoring attempt to overwrite non-zero touch_max "
2611                                  "%d -> %d\n", __func__, features->touch_max, value);
2612                 }
2613                 return;
2614         }
2615
2616         if (usage->usage_index + 1 == field->report_count) {
2617                 if (equivalent_usage == wacom_wac->hid_data.last_slot_field)
2618                         wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2619         }
2620 }
2621
2622 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2623                 struct hid_report *report)
2624 {
2625         struct wacom *wacom = hid_get_drvdata(hdev);
2626         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2627         struct hid_data* hid_data = &wacom_wac->hid_data;
2628         int i;
2629
2630         wacom_wac->is_invalid_bt_frame = false;
2631
2632         for (i = 0; i < report->maxfield; i++) {
2633                 struct hid_field *field = report->field[i];
2634                 int j;
2635
2636                 for (j = 0; j < field->maxusage; j++) {
2637                         struct hid_usage *usage = &field->usage[j];
2638                         unsigned int equivalent_usage =
2639                                 wacom_equivalent_usage(usage->hid);
2640
2641                         switch (equivalent_usage) {
2642                         case HID_GD_X:
2643                         case HID_GD_Y:
2644                         case HID_DG_WIDTH:
2645                         case HID_DG_HEIGHT:
2646                         case HID_DG_CONTACTID:
2647                         case HID_DG_INRANGE:
2648                         case HID_DG_INVERT:
2649                         case HID_DG_TIPSWITCH:
2650                                 hid_data->last_slot_field = equivalent_usage;
2651                                 break;
2652                         case HID_DG_CONTACTCOUNT:
2653                                 hid_data->cc_report = report->id;
2654                                 hid_data->cc_index = i;
2655                                 hid_data->cc_value_index = j;
2656                                 break;
2657                         }
2658                 }
2659         }
2660
2661         if (hid_data->cc_report != 0 &&
2662             hid_data->cc_index >= 0) {
2663                 struct hid_field *field = report->field[hid_data->cc_index];
2664                 int value = field->value[hid_data->cc_value_index];
2665                 if (value)
2666                         hid_data->num_expected = value;
2667         }
2668         else {
2669                 hid_data->num_expected = wacom_wac->features.touch_max;
2670         }
2671 }
2672
2673 static void wacom_wac_finger_report(struct hid_device *hdev,
2674                 struct hid_report *report)
2675 {
2676         struct wacom *wacom = hid_get_drvdata(hdev);
2677         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2678         struct input_dev *input = wacom_wac->touch_input;
2679         unsigned touch_max = wacom_wac->features.touch_max;
2680
2681         /* If more packets of data are expected, give us a chance to
2682          * process them rather than immediately syncing a partial
2683          * update.
2684          */
2685         if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2686                 return;
2687
2688         if (touch_max > 1)
2689                 input_mt_sync_frame(input);
2690
2691         input_sync(input);
2692         wacom_wac->hid_data.num_received = 0;
2693
2694         /* keep touch state for pen event */
2695         wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2696 }
2697
2698 void wacom_wac_usage_mapping(struct hid_device *hdev,
2699                 struct hid_field *field, struct hid_usage *usage)
2700 {
2701         struct wacom *wacom = hid_get_drvdata(hdev);
2702         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2703         struct wacom_features *features = &wacom_wac->features;
2704
2705         if (WACOM_DIRECT_DEVICE(field))
2706                 features->device_type |= WACOM_DEVICETYPE_DIRECT;
2707
2708         /* usage tests must precede field tests */
2709         if (WACOM_BATTERY_USAGE(usage))
2710                 wacom_wac_battery_usage_mapping(hdev, field, usage);
2711         else if (WACOM_PAD_FIELD(field))
2712                 wacom_wac_pad_usage_mapping(hdev, field, usage);
2713         else if (WACOM_PEN_FIELD(field))
2714                 wacom_wac_pen_usage_mapping(hdev, field, usage);
2715         else if (WACOM_FINGER_FIELD(field))
2716                 wacom_wac_finger_usage_mapping(hdev, field, usage);
2717 }
2718
2719 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2720                 struct hid_usage *usage, __s32 value)
2721 {
2722         struct wacom *wacom = hid_get_drvdata(hdev);
2723
2724         if (wacom->wacom_wac.features.type != HID_GENERIC)
2725                 return;
2726
2727         if (value > field->logical_maximum || value < field->logical_minimum)
2728                 return;
2729
2730         /* usage tests must precede field tests */
2731         if (WACOM_BATTERY_USAGE(usage))
2732                 wacom_wac_battery_event(hdev, field, usage, value);
2733         else if (WACOM_PAD_FIELD(field) && wacom->wacom_wac.pad_input)
2734                 wacom_wac_pad_event(hdev, field, usage, value);
2735         else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2736                 wacom_wac_pen_event(hdev, field, usage, value);
2737         else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2738                 wacom_wac_finger_event(hdev, field, usage, value);
2739 }
2740
2741 static void wacom_report_events(struct hid_device *hdev,
2742                                 struct hid_report *report, int collection_index,
2743                                 int field_index)
2744 {
2745         int r;
2746
2747         for (r = field_index; r < report->maxfield; r++) {
2748                 struct hid_field *field;
2749                 unsigned count, n;
2750
2751                 field = report->field[r];
2752                 count = field->report_count;
2753
2754                 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2755                         continue;
2756
2757                 for (n = 0 ; n < count; n++) {
2758                         if (field->usage[n].collection_index == collection_index)
2759                                 wacom_wac_event(hdev, field, &field->usage[n],
2760                                                 field->value[n]);
2761                         else
2762                                 return;
2763                 }
2764         }
2765 }
2766
2767 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2768                          int collection_index, struct hid_field *field,
2769                          int field_index)
2770 {
2771         struct wacom *wacom = hid_get_drvdata(hdev);
2772
2773         wacom_report_events(hdev, report, collection_index, field_index);
2774
2775         /*
2776          * Non-input reports may be sent prior to the device being
2777          * completely initialized. Since only their events need
2778          * to be processed, exit after 'wacom_report_events' has
2779          * been called to prevent potential crashes in the report-
2780          * processing functions.
2781          */
2782         if (report->type != HID_INPUT_REPORT)
2783                 return -1;
2784
2785         if (WACOM_PAD_FIELD(field))
2786                 return 0;
2787         else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2788                 wacom_wac_pen_report(hdev, report);
2789         else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2790                 wacom_wac_finger_report(hdev, report);
2791
2792         return 0;
2793 }
2794
2795 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2796 {
2797         struct wacom *wacom = hid_get_drvdata(hdev);
2798         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2799         struct hid_field *field;
2800         bool pad_in_hid_field = false, pen_in_hid_field = false,
2801                 finger_in_hid_field = false, true_pad = false;
2802         int r;
2803         int prev_collection = -1;
2804
2805         if (wacom_wac->features.type != HID_GENERIC)
2806                 return;
2807
2808         for (r = 0; r < report->maxfield; r++) {
2809                 field = report->field[r];
2810
2811                 if (WACOM_PAD_FIELD(field))
2812                         pad_in_hid_field = true;
2813                 if (WACOM_PEN_FIELD(field))
2814                         pen_in_hid_field = true;
2815                 if (WACOM_FINGER_FIELD(field))
2816                         finger_in_hid_field = true;
2817                 if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
2818                         true_pad = true;
2819         }
2820
2821         wacom_wac_battery_pre_report(hdev, report);
2822
2823         if (pad_in_hid_field && wacom->wacom_wac.pad_input)
2824                 wacom_wac_pad_pre_report(hdev, report);
2825         if (pen_in_hid_field && wacom->wacom_wac.pen_input)
2826                 wacom_wac_pen_pre_report(hdev, report);
2827         if (finger_in_hid_field && wacom->wacom_wac.touch_input)
2828                 wacom_wac_finger_pre_report(hdev, report);
2829
2830         for (r = 0; r < report->maxfield; r++) {
2831                 field = report->field[r];
2832
2833                 if (field->usage[0].collection_index != prev_collection) {
2834                         if (wacom_wac_collection(hdev, report,
2835                                 field->usage[0].collection_index, field, r) < 0)
2836                                 return;
2837                         prev_collection = field->usage[0].collection_index;
2838                 }
2839         }
2840
2841         wacom_wac_battery_report(hdev, report);
2842
2843         if (true_pad && wacom->wacom_wac.pad_input)
2844                 wacom_wac_pad_report(hdev, report, field);
2845 }
2846
2847 static int wacom_bpt_touch(struct wacom_wac *wacom)
2848 {
2849         struct wacom_features *features = &wacom->features;
2850         struct input_dev *input = wacom->touch_input;
2851         struct input_dev *pad_input = wacom->pad_input;
2852         unsigned char *data = wacom->data;
2853         int i;
2854
2855         if (data[0] != 0x02)
2856             return 0;
2857
2858         for (i = 0; i < 2; i++) {
2859                 int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
2860                 bool touch = report_touch_events(wacom)
2861                            && (data[offset + 3] & 0x80);
2862
2863                 input_mt_slot(input, i);
2864                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2865                 if (touch) {
2866                         int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
2867                         int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
2868                         if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
2869                                 x <<= 5;
2870                                 y <<= 5;
2871                         }
2872                         input_report_abs(input, ABS_MT_POSITION_X, x);
2873                         input_report_abs(input, ABS_MT_POSITION_Y, y);
2874                 }
2875         }
2876
2877         input_mt_sync_frame(input);
2878
2879         input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
2880         input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
2881         input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
2882         input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
2883         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2884
2885         return 1;
2886 }
2887
2888 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
2889 {
2890         struct wacom_features *features = &wacom->features;
2891         struct input_dev *input = wacom->touch_input;
2892         bool touch = data[1] & 0x80;
2893         int slot = input_mt_get_slot_by_key(input, data[0]);
2894
2895         if (slot < 0)
2896                 return;
2897
2898         touch = touch && report_touch_events(wacom);
2899
2900         input_mt_slot(input, slot);
2901         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
2902
2903         if (touch) {
2904                 int x = (data[2] << 4) | (data[4] >> 4);
2905                 int y = (data[3] << 4) | (data[4] & 0x0f);
2906                 int width, height;
2907
2908                 if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
2909                         width  = data[5] * 100;
2910                         height = data[6] * 100;
2911                 } else {
2912                         /*
2913                          * "a" is a scaled-down area which we assume is
2914                          * roughly circular and which can be described as:
2915                          * a=(pi*r^2)/C.
2916                          */
2917                         int a = data[5];
2918                         int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
2919                         int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
2920                         width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
2921                         height = width * y_res / x_res;
2922                 }
2923
2924                 input_report_abs(input, ABS_MT_POSITION_X, x);
2925                 input_report_abs(input, ABS_MT_POSITION_Y, y);
2926                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
2927                 input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
2928         }
2929 }
2930
2931 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
2932 {
2933         struct input_dev *input = wacom->pad_input;
2934         struct wacom_features *features = &wacom->features;
2935
2936         if (features->type == INTUOSHT || features->type == INTUOSHT2) {
2937                 input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
2938                 input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
2939         } else {
2940                 input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
2941                 input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
2942         }
2943         input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
2944         input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
2945 }
2946
2947 static int wacom_bpt3_touch(struct wacom_wac *wacom)
2948 {
2949         unsigned char *data = wacom->data;
2950         int count = data[1] & 0x07;
2951         int  touch_changed = 0, i;
2952
2953         if (data[0] != 0x02)
2954             return 0;
2955
2956         /* data has up to 7 fixed sized 8-byte messages starting at data[2] */
2957         for (i = 0; i < count; i++) {
2958                 int offset = (8 * i) + 2;
2959                 int msg_id = data[offset];
2960
2961                 if (msg_id >= 2 && msg_id <= 17) {
2962                         wacom_bpt3_touch_msg(wacom, data + offset);
2963                         touch_changed++;
2964                 } else if (msg_id == 128)
2965                         wacom_bpt3_button_msg(wacom, data + offset);
2966
2967         }
2968
2969         /* only update touch if we actually have a touchpad and touch data changed */
2970         if (wacom->touch_input && touch_changed) {
2971                 input_mt_sync_frame(wacom->touch_input);
2972                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
2973         }
2974
2975         return 1;
2976 }
2977
2978 static int wacom_bpt_pen(struct wacom_wac *wacom)
2979 {
2980         struct wacom_features *features = &wacom->features;
2981         struct input_dev *input = wacom->pen_input;
2982         unsigned char *data = wacom->data;
2983         int x = 0, y = 0, p = 0, d = 0;
2984         bool pen = false, btn1 = false, btn2 = false;
2985         bool range, prox, rdy;
2986
2987         if (data[0] != WACOM_REPORT_PENABLED)
2988             return 0;
2989
2990         range = (data[1] & 0x80) == 0x80;
2991         prox = (data[1] & 0x40) == 0x40;
2992         rdy = (data[1] & 0x20) == 0x20;
2993
2994         wacom->shared->stylus_in_proximity = range;
2995         if (delay_pen_events(wacom))
2996                 return 0;
2997
2998         if (rdy) {
2999                 p = le16_to_cpup((__le16 *)&data[6]);
3000                 pen = data[1] & 0x01;
3001                 btn1 = data[1] & 0x02;
3002                 btn2 = data[1] & 0x04;
3003         }
3004         if (prox) {
3005                 x = le16_to_cpup((__le16 *)&data[2]);
3006                 y = le16_to_cpup((__le16 *)&data[4]);
3007
3008                 if (data[1] & 0x08) {
3009                         wacom->tool[0] = BTN_TOOL_RUBBER;
3010                         wacom->id[0] = ERASER_DEVICE_ID;
3011                 } else {
3012                         wacom->tool[0] = BTN_TOOL_PEN;
3013                         wacom->id[0] = STYLUS_DEVICE_ID;
3014                 }
3015                 wacom->reporting_data = true;
3016         }
3017         if (range) {
3018                 /*
3019                  * Convert distance from out prox to distance from tablet.
3020                  * distance will be greater than distance_max once
3021                  * touching and applying pressure; do not report negative
3022                  * distance.
3023                  */
3024                 if (data[8] <= features->distance_max)
3025                         d = features->distance_max - data[8];
3026         } else {
3027                 wacom->id[0] = 0;
3028         }
3029
3030         if (wacom->reporting_data) {
3031                 input_report_key(input, BTN_TOUCH, pen);
3032                 input_report_key(input, BTN_STYLUS, btn1);
3033                 input_report_key(input, BTN_STYLUS2, btn2);
3034
3035                 if (prox || !range) {
3036                         input_report_abs(input, ABS_X, x);
3037                         input_report_abs(input, ABS_Y, y);
3038                 }
3039                 input_report_abs(input, ABS_PRESSURE, p);
3040                 input_report_abs(input, ABS_DISTANCE, d);
3041
3042                 input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
3043                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
3044         }
3045
3046         if (!range) {
3047                 wacom->reporting_data = false;
3048         }
3049
3050         return 1;
3051 }
3052
3053 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
3054 {
3055         struct wacom_features *features = &wacom->features;
3056
3057         if ((features->type == INTUOSHT2) &&
3058             (features->device_type & WACOM_DEVICETYPE_PEN))
3059                 return wacom_intuos_irq(wacom);
3060         else if (len == WACOM_PKGLEN_BBTOUCH)
3061                 return wacom_bpt_touch(wacom);
3062         else if (len == WACOM_PKGLEN_BBTOUCH3)
3063                 return wacom_bpt3_touch(wacom);
3064         else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
3065                 return wacom_bpt_pen(wacom);
3066
3067         return 0;
3068 }
3069
3070 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
3071                 unsigned char *data)
3072 {
3073         unsigned char prefix;
3074
3075         /*
3076          * We need to reroute the event from the debug interface to the
3077          * pen interface.
3078          * We need to add the report ID to the actual pen report, so we
3079          * temporary overwrite the first byte to prevent having to kzalloc/kfree
3080          * and memcpy the report.
3081          */
3082         prefix = data[0];
3083         data[0] = WACOM_REPORT_BPAD_PEN;
3084
3085         /*
3086          * actually reroute the event.
3087          * No need to check if wacom->shared->pen is valid, hid_input_report()
3088          * will check for us.
3089          */
3090         hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3091                          WACOM_PKGLEN_PENABLED, 1);
3092
3093         data[0] = prefix;
3094 }
3095
3096 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3097                 unsigned char *data)
3098 {
3099         struct input_dev *input = wacom->touch_input;
3100         unsigned char *finger_data, prefix;
3101         unsigned id;
3102         int x, y;
3103         bool valid;
3104
3105         prefix = data[0];
3106
3107         for (id = 0; id < wacom->features.touch_max; id++) {
3108                 valid = !!(prefix & BIT(id)) &&
3109                         report_touch_events(wacom);
3110
3111                 input_mt_slot(input, id);
3112                 input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3113
3114                 if (!valid)
3115                         continue;
3116
3117                 finger_data = data + 1 + id * 3;
3118                 x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3119                 y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3120
3121                 input_report_abs(input, ABS_MT_POSITION_X, x);
3122                 input_report_abs(input, ABS_MT_POSITION_Y, y);
3123         }
3124
3125         input_mt_sync_frame(input);
3126
3127         input_report_key(input, BTN_LEFT, prefix & 0x40);
3128         input_report_key(input, BTN_RIGHT, prefix & 0x80);
3129
3130         /* keep touch state for pen event */
3131         wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3132
3133         return 1;
3134 }
3135
3136 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3137 {
3138         unsigned char *data = wacom->data;
3139
3140         if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3141               (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3142             (data[0] != WACOM_REPORT_BPAD_TOUCH))
3143                 return 0;
3144
3145         if (data[1] & 0x01)
3146                 wacom_bamboo_pad_pen_event(wacom, &data[1]);
3147
3148         if (data[1] & 0x02)
3149                 return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3150
3151         return 0;
3152 }
3153
3154 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3155 {
3156         unsigned char *data = wacom->data;
3157         int connected;
3158
3159         if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3160                 return 0;
3161
3162         connected = data[1] & 0x01;
3163         if (connected) {
3164                 int pid, battery, charging;
3165
3166                 if ((wacom->shared->type == INTUOSHT ||
3167                     wacom->shared->type == INTUOSHT2) &&
3168                     wacom->shared->touch_input &&
3169                     wacom->shared->touch_max) {
3170                         input_report_switch(wacom->shared->touch_input,
3171                                         SW_MUTE_DEVICE, data[5] & 0x40);
3172                         input_sync(wacom->shared->touch_input);
3173                 }
3174
3175                 pid = get_unaligned_be16(&data[6]);
3176                 battery = (data[5] & 0x3f) * 100 / 31;
3177                 charging = !!(data[5] & 0x80);
3178                 if (wacom->pid != pid) {
3179                         wacom->pid = pid;
3180                         wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3181                 }
3182
3183                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3184                                      battery, charging, 1, 0);
3185
3186         } else if (wacom->pid != 0) {
3187                 /* disconnected while previously connected */
3188                 wacom->pid = 0;
3189                 wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3190                 wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3191         }
3192
3193         return 0;
3194 }
3195
3196 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3197 {
3198         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3199         struct wacom_features *features = &wacom_wac->features;
3200         unsigned char *data = wacom_wac->data;
3201
3202         if (data[0] != WACOM_REPORT_USB)
3203                 return 0;
3204
3205         if ((features->type == INTUOSHT ||
3206             features->type == INTUOSHT2) &&
3207             wacom_wac->shared->touch_input &&
3208             features->touch_max) {
3209                 input_report_switch(wacom_wac->shared->touch_input,
3210                                     SW_MUTE_DEVICE, data[8] & 0x40);
3211                 input_sync(wacom_wac->shared->touch_input);
3212         }
3213
3214         if (data[9] & 0x02) { /* wireless module is attached */
3215                 int battery = (data[8] & 0x3f) * 100 / 31;
3216                 bool charging = !!(data[8] & 0x80);
3217
3218                 wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3219                                      battery, charging, battery || charging, 1);
3220
3221                 if (!wacom->battery.battery &&
3222                     !(features->quirks & WACOM_QUIRK_BATTERY)) {
3223                         features->quirks |= WACOM_QUIRK_BATTERY;
3224                         wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3225                 }
3226         }
3227         else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3228                  wacom->battery.battery) {
3229                 features->quirks &= ~WACOM_QUIRK_BATTERY;
3230                 wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
3231                 wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3232         }
3233         return 0;
3234 }
3235
3236 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3237 {
3238         bool sync;
3239
3240         switch (wacom_wac->features.type) {
3241         case PENPARTNER:
3242                 sync = wacom_penpartner_irq(wacom_wac);
3243                 break;
3244
3245         case PL:
3246                 sync = wacom_pl_irq(wacom_wac);
3247                 break;
3248
3249         case WACOM_G4:
3250         case GRAPHIRE:
3251         case GRAPHIRE_BT:
3252         case WACOM_MO:
3253                 sync = wacom_graphire_irq(wacom_wac);
3254                 break;
3255
3256         case PTU:
3257                 sync = wacom_ptu_irq(wacom_wac);
3258                 break;
3259
3260         case DTU:
3261                 sync = wacom_dtu_irq(wacom_wac);
3262                 break;
3263
3264         case DTUS:
3265         case DTUSX:
3266                 sync = wacom_dtus_irq(wacom_wac);
3267                 break;
3268
3269         case INTUOS:
3270         case INTUOS3S:
3271         case INTUOS3:
3272         case INTUOS3L:
3273         case INTUOS4S:
3274         case INTUOS4:
3275         case INTUOS4L:
3276         case CINTIQ:
3277         case WACOM_BEE:
3278         case WACOM_13HD:
3279         case WACOM_21UX2:
3280         case WACOM_22HD:
3281         case WACOM_24HD:
3282         case WACOM_27QHD:
3283         case DTK:
3284         case CINTIQ_HYBRID:
3285         case CINTIQ_COMPANION_2:
3286                 sync = wacom_intuos_irq(wacom_wac);
3287                 break;
3288
3289         case INTUOS4WL:
3290                 sync = wacom_intuos_bt_irq(wacom_wac, len);
3291                 break;
3292
3293         case WACOM_24HDT:
3294         case WACOM_27QHDT:
3295                 sync = wacom_24hdt_irq(wacom_wac);
3296                 break;
3297
3298         case INTUOS5S:
3299         case INTUOS5:
3300         case INTUOS5L:
3301         case INTUOSPS:
3302         case INTUOSPM:
3303         case INTUOSPL:
3304                 if (len == WACOM_PKGLEN_BBTOUCH3)
3305                         sync = wacom_bpt3_touch(wacom_wac);
3306                 else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3307                         sync = wacom_status_irq(wacom_wac, len);
3308                 else
3309                         sync = wacom_intuos_irq(wacom_wac);
3310                 break;
3311
3312         case INTUOSP2_BT:
3313         case INTUOSP2S_BT:
3314         case INTUOSHT3_BT:
3315                 sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3316                 break;
3317
3318         case TABLETPC:
3319         case TABLETPCE:
3320         case TABLETPC2FG:
3321         case MTSCREEN:
3322         case MTTPC:
3323         case MTTPC_B:
3324                 sync = wacom_tpc_irq(wacom_wac, len);
3325                 break;
3326
3327         case BAMBOO_PT:
3328         case BAMBOO_PEN:
3329         case BAMBOO_TOUCH:
3330         case INTUOSHT:
3331         case INTUOSHT2:
3332                 if (wacom_wac->data[0] == WACOM_REPORT_USB)
3333                         sync = wacom_status_irq(wacom_wac, len);
3334                 else
3335                         sync = wacom_bpt_irq(wacom_wac, len);
3336                 break;
3337
3338         case BAMBOO_PAD:
3339                 sync = wacom_bamboo_pad_irq(wacom_wac, len);
3340                 break;
3341
3342         case WIRELESS:
3343                 sync = wacom_wireless_irq(wacom_wac, len);
3344                 break;
3345
3346         case REMOTE:
3347                 sync = false;
3348                 if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3349                         wacom_remote_status_irq(wacom_wac, len);
3350                 else
3351                         sync = wacom_remote_irq(wacom_wac, len);
3352                 break;
3353
3354         default:
3355                 sync = false;
3356                 break;
3357         }
3358
3359         if (sync) {
3360                 if (wacom_wac->pen_input)
3361                         input_sync(wacom_wac->pen_input);
3362                 if (wacom_wac->touch_input)
3363                         input_sync(wacom_wac->touch_input);
3364                 if (wacom_wac->pad_input)
3365                         input_sync(wacom_wac->pad_input);
3366         }
3367 }
3368
3369 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3370 {
3371         struct input_dev *input_dev = wacom_wac->pen_input;
3372
3373         input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3374
3375         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3376         __set_bit(BTN_STYLUS, input_dev->keybit);
3377         __set_bit(BTN_STYLUS2, input_dev->keybit);
3378
3379         input_set_abs_params(input_dev, ABS_DISTANCE,
3380                              0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3381 }
3382
3383 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3384 {
3385         struct input_dev *input_dev = wacom_wac->pen_input;
3386         struct wacom_features *features = &wacom_wac->features;
3387
3388         wacom_setup_basic_pro_pen(wacom_wac);
3389
3390         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3391         __set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3392         __set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3393         __set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3394
3395         input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3396         input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3397         input_abs_set_res(input_dev, ABS_TILT_X, 57);
3398         input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3399         input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3400 }
3401
3402 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3403 {
3404         struct input_dev *input_dev = wacom_wac->pen_input;
3405
3406         input_set_capability(input_dev, EV_REL, REL_WHEEL);
3407
3408         wacom_setup_cintiq(wacom_wac);
3409
3410         __set_bit(BTN_LEFT, input_dev->keybit);
3411         __set_bit(BTN_RIGHT, input_dev->keybit);
3412         __set_bit(BTN_MIDDLE, input_dev->keybit);
3413         __set_bit(BTN_SIDE, input_dev->keybit);
3414         __set_bit(BTN_EXTRA, input_dev->keybit);
3415         __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3416         __set_bit(BTN_TOOL_LENS, input_dev->keybit);
3417
3418         input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3419         input_abs_set_res(input_dev, ABS_RZ, 287);
3420         input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3421 }
3422
3423 void wacom_setup_device_quirks(struct wacom *wacom)
3424 {
3425         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
3426         struct wacom_features *features = &wacom->wacom_wac.features;
3427
3428         /* The pen and pad share the same interface on most devices */
3429         if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3430             features->type == DTUS ||
3431             (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3432                 if (features->device_type & WACOM_DEVICETYPE_PEN)
3433                         features->device_type |= WACOM_DEVICETYPE_PAD;
3434         }
3435
3436         /* touch device found but size is not defined. use default */
3437         if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3438                 features->x_max = 1023;
3439                 features->y_max = 1023;
3440         }
3441
3442         /*
3443          * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3444          * touch interface in its HID descriptor. If this is the touch
3445          * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3446          * tablet values.
3447          */
3448         if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3449                 (features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3450                 if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3451                         if (features->touch_max)
3452                                 features->device_type |= WACOM_DEVICETYPE_TOUCH;
3453                         if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3454                                 features->device_type |= WACOM_DEVICETYPE_PAD;
3455
3456                         if (features->type == INTUOSHT2) {
3457                                 features->x_max = features->x_max / 10;
3458                                 features->y_max = features->y_max / 10;
3459                         }
3460                         else {
3461                                 features->x_max = 4096;
3462                                 features->y_max = 4096;
3463                         }
3464                 }
3465                 else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3466                         features->device_type |= WACOM_DEVICETYPE_PAD;
3467                 }
3468         }
3469
3470         /*
3471          * Hack for the Bamboo One:
3472          * the device presents a PAD/Touch interface as most Bamboos and even
3473          * sends ghosts PAD data on it. However, later, we must disable this
3474          * ghost interface, and we can not detect it unless we set it here
3475          * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3476          */
3477         if (features->type == BAMBOO_PEN &&
3478             features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3479                 features->device_type |= WACOM_DEVICETYPE_PAD;
3480
3481         /*
3482          * Raw Wacom-mode pen and touch events both come from interface
3483          * 0, whose HID descriptor has an application usage of 0xFF0D
3484          * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3485          * out through the HID_GENERIC device created for interface 1,
3486          * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3487          */
3488         if (features->type == BAMBOO_PAD)
3489                 features->device_type = WACOM_DEVICETYPE_TOUCH;
3490
3491         if (features->type == REMOTE)
3492                 features->device_type = WACOM_DEVICETYPE_PAD;
3493
3494         if (features->type == INTUOSP2_BT ||
3495             features->type == INTUOSP2S_BT) {
3496                 features->device_type |= WACOM_DEVICETYPE_PEN |
3497                                          WACOM_DEVICETYPE_PAD |
3498                                          WACOM_DEVICETYPE_TOUCH;
3499                 features->quirks |= WACOM_QUIRK_BATTERY;
3500         }
3501
3502         if (features->type == INTUOSHT3_BT) {
3503                 features->device_type |= WACOM_DEVICETYPE_PEN |
3504                                          WACOM_DEVICETYPE_PAD;
3505                 features->quirks |= WACOM_QUIRK_BATTERY;
3506         }
3507
3508         switch (features->type) {
3509         case PL:
3510         case DTU:
3511         case DTUS:
3512         case DTUSX:
3513         case WACOM_21UX2:
3514         case WACOM_22HD:
3515         case DTK:
3516         case WACOM_24HD:
3517         case WACOM_27QHD:
3518         case CINTIQ_HYBRID:
3519         case CINTIQ_COMPANION_2:
3520         case CINTIQ:
3521         case WACOM_BEE:
3522         case WACOM_13HD:
3523         case WACOM_24HDT:
3524         case WACOM_27QHDT:
3525         case TABLETPC:
3526         case TABLETPCE:
3527         case TABLETPC2FG:
3528         case MTSCREEN:
3529         case MTTPC:
3530         case MTTPC_B:
3531                 features->device_type |= WACOM_DEVICETYPE_DIRECT;
3532                 break;
3533         }
3534
3535         if (wacom->hdev->bus == BUS_BLUETOOTH)
3536                 features->quirks |= WACOM_QUIRK_BATTERY;
3537
3538         /* quirk for bamboo touch with 2 low res touches */
3539         if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3540             features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3541                 features->x_max <<= 5;
3542                 features->y_max <<= 5;
3543                 features->x_fuzz <<= 5;
3544                 features->y_fuzz <<= 5;
3545                 features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3546         }
3547
3548         if (features->type == WIRELESS) {
3549                 if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3550                         features->quirks |= WACOM_QUIRK_BATTERY;
3551                 }
3552         }
3553
3554         if (features->type == REMOTE)
3555                 features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3556
3557         /* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
3558          * of things it shouldn't. Lets fix up the damage...
3559          */
3560         if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
3561                 features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
3562                 __clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
3563                 __clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
3564                 __clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
3565                 __clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
3566                 __clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
3567                 __clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
3568                 __clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
3569                 __clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
3570                 __clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
3571                 __clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
3572                 __clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
3573         }
3574 }
3575
3576 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3577                                    struct wacom_wac *wacom_wac)
3578 {
3579         struct wacom_features *features = &wacom_wac->features;
3580
3581         if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3582                 return -ENODEV;
3583
3584         if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3585                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3586         else
3587                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3588
3589         if (features->type == HID_GENERIC)
3590                 /* setup has already been done */
3591                 return 0;
3592
3593         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3594         __set_bit(BTN_TOUCH, input_dev->keybit);
3595         __set_bit(ABS_MISC, input_dev->absbit);
3596
3597         input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3598                              features->x_max - features->offset_right,
3599                              features->x_fuzz, 0);
3600         input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3601                              features->y_max - features->offset_bottom,
3602                              features->y_fuzz, 0);
3603         input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3604                 features->pressure_max, features->pressure_fuzz, 0);
3605
3606         /* penabled devices have fixed resolution for each model */
3607         input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3608         input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3609
3610         switch (features->type) {
3611         case GRAPHIRE_BT:
3612                 __clear_bit(ABS_MISC, input_dev->absbit);
3613                 fallthrough;
3614
3615         case WACOM_MO:
3616         case WACOM_G4:
3617                 input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3618                                               features->distance_max,
3619                                               features->distance_fuzz, 0);
3620                 fallthrough;
3621
3622         case GRAPHIRE:
3623                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
3624
3625                 __set_bit(BTN_LEFT, input_dev->keybit);
3626                 __set_bit(BTN_RIGHT, input_dev->keybit);
3627                 __set_bit(BTN_MIDDLE, input_dev->keybit);
3628
3629                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3630                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3631                 __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3632                 __set_bit(BTN_STYLUS, input_dev->keybit);
3633                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3634                 break;
3635
3636         case WACOM_27QHD:
3637         case WACOM_24HD:
3638         case DTK:
3639         case WACOM_22HD:
3640         case WACOM_21UX2:
3641         case WACOM_BEE:
3642         case CINTIQ:
3643         case WACOM_13HD:
3644         case CINTIQ_HYBRID:
3645         case CINTIQ_COMPANION_2:
3646                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3647                 input_abs_set_res(input_dev, ABS_Z, 287);
3648                 wacom_setup_cintiq(wacom_wac);
3649                 break;
3650
3651         case INTUOS3:
3652         case INTUOS3L:
3653         case INTUOS3S:
3654         case INTUOS4:
3655         case INTUOS4WL:
3656         case INTUOS4L:
3657         case INTUOS4S:
3658                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3659                 input_abs_set_res(input_dev, ABS_Z, 287);
3660                 fallthrough;
3661
3662         case INTUOS:
3663                 wacom_setup_intuos(wacom_wac);
3664                 break;
3665
3666         case INTUOS5:
3667         case INTUOS5L:
3668         case INTUOSPM:
3669         case INTUOSPL:
3670         case INTUOS5S:
3671         case INTUOSPS:
3672         case INTUOSP2_BT:
3673         case INTUOSP2S_BT:
3674                 input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3675                                       features->distance_max,
3676                                       features->distance_fuzz, 0);
3677
3678                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3679                 input_abs_set_res(input_dev, ABS_Z, 287);
3680
3681                 wacom_setup_intuos(wacom_wac);
3682                 break;
3683
3684         case WACOM_24HDT:
3685         case WACOM_27QHDT:
3686         case MTSCREEN:
3687         case MTTPC:
3688         case MTTPC_B:
3689         case TABLETPC2FG:
3690         case TABLETPC:
3691         case TABLETPCE:
3692                 __clear_bit(ABS_MISC, input_dev->absbit);
3693                 fallthrough;
3694
3695         case DTUS:
3696         case DTUSX:
3697         case PL:
3698         case DTU:
3699                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3700                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3701                 __set_bit(BTN_STYLUS, input_dev->keybit);
3702                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3703                 break;
3704
3705         case PTU:
3706                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3707                 fallthrough;
3708
3709         case PENPARTNER:
3710                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3711                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3712                 __set_bit(BTN_STYLUS, input_dev->keybit);
3713                 break;
3714
3715         case INTUOSHT:
3716         case BAMBOO_PT:
3717         case BAMBOO_PEN:
3718         case INTUOSHT2:
3719         case INTUOSHT3_BT:
3720                 if (features->type == INTUOSHT2 ||
3721                     features->type == INTUOSHT3_BT) {
3722                         wacom_setup_basic_pro_pen(wacom_wac);
3723                 } else {
3724                         __clear_bit(ABS_MISC, input_dev->absbit);
3725                         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3726                         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3727                         __set_bit(BTN_STYLUS, input_dev->keybit);
3728                         __set_bit(BTN_STYLUS2, input_dev->keybit);
3729                         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3730                                       features->distance_max,
3731                                       features->distance_fuzz, 0);
3732                 }
3733                 break;
3734         case BAMBOO_PAD:
3735                 __clear_bit(ABS_MISC, input_dev->absbit);
3736                 break;
3737         }
3738         return 0;
3739 }
3740
3741 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3742                                          struct wacom_wac *wacom_wac)
3743 {
3744         struct wacom_features *features = &wacom_wac->features;
3745
3746         if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3747                 return -ENODEV;
3748
3749         if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3750                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3751         else
3752                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3753
3754         if (features->type == HID_GENERIC)
3755                 /* setup has already been done */
3756                 return 0;
3757
3758         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
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);