HID: hid-asus: reset the backlight brightness level on resume
[linux-2.6-microblaze.git] / drivers / hid / wacom_wac.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  USB Wacom tablet support - Wacom specific code
4  */
5
6 #include "wacom_wac.h"
7 #include "wacom.h"
8 #include <linux/input/mt.h>
9 #include <linux/jiffies.h>
10
11 /* resolution for penabled devices */
12 #define WACOM_PL_RES            20
13 #define WACOM_PENPRTN_RES       40
14 #define WACOM_VOLITO_RES        50
15 #define WACOM_GRAPHIRE_RES      80
16 #define WACOM_INTUOS_RES        100
17 #define WACOM_INTUOS3_RES       200
18
19 /* Newer Cintiq and DTU have an offset between tablet and screen areas */
20 #define WACOM_DTU_OFFSET        200
21 #define WACOM_CINTIQ_OFFSET     400
22
23 /*
24  * Scale factor relating reported contact size to logical contact area.
25  * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
26  */
27 #define WACOM_CONTACT_AREA_SCALE 2607
28
29 static bool touch_arbitration = 1;
30 module_param(touch_arbitration, bool, 0644);
31 MODULE_PARM_DESC(touch_arbitration, " on (Y) off (N)");
32
33 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
34                                 int button_count, int mask);
35
36 static int wacom_numbered_button_to_key(int n);
37
38 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
39                              int group);
40
41 static void wacom_force_proxout(struct wacom_wac *wacom_wac)
42 {
43         struct input_dev *input = wacom_wac->pen_input;
44
45         wacom_wac->shared->stylus_in_proximity = 0;
46
47         input_report_key(input, BTN_TOUCH, 0);
48         input_report_key(input, BTN_STYLUS, 0);
49         input_report_key(input, BTN_STYLUS2, 0);
50         input_report_key(input, BTN_STYLUS3, 0);
51         input_report_key(input, wacom_wac->tool[0], 0);
52         if (wacom_wac->serial[0]) {
53                 input_report_abs(input, ABS_MISC, 0);
54         }
55         input_report_abs(input, ABS_PRESSURE, 0);
56
57         wacom_wac->tool[0] = 0;
58         wacom_wac->id[0] = 0;
59         wacom_wac->serial[0] = 0;
60
61         input_sync(input);
62 }
63
64 void wacom_idleprox_timeout(struct timer_list *list)
65 {
66         struct wacom *wacom = from_timer(wacom, list, idleprox_timer);
67         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
68
69         if (!wacom_wac->hid_data.sense_state) {
70                 return;
71         }
72
73         hid_warn(wacom->hdev, "%s: tool appears to be hung in-prox. forcing it out.\n", __func__);
74         wacom_force_proxout(wacom_wac);
75 }
76
77 /*
78  * Percent of battery capacity for Graphire.
79  * 8th value means AC online and show 100% capacity.
80  */
81 static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
82
83 /*
84  * Percent of battery capacity for Intuos4 WL, AC has a separate bit.
85  */
86 static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
87
88 static void __wacom_notify_battery(struct wacom_battery *battery,
89                                    int bat_status, int bat_capacity,
90                                    bool bat_charging, bool bat_connected,
91                                    bool ps_connected)
92 {
93         bool changed = battery->bat_status       != bat_status    ||
94                        battery->battery_capacity != bat_capacity  ||
95                        battery->bat_charging     != bat_charging  ||
96                        battery->bat_connected    != bat_connected ||
97                        battery->ps_connected     != ps_connected;
98
99         if (changed) {
100                 battery->bat_status = bat_status;
101                 battery->battery_capacity = bat_capacity;
102                 battery->bat_charging = bat_charging;
103                 battery->bat_connected = bat_connected;
104                 battery->ps_connected = ps_connected;
105
106                 if (battery->battery)
107                         power_supply_changed(battery->battery);
108         }
109 }
110
111 static void wacom_notify_battery(struct wacom_wac *wacom_wac,
112         int bat_status, int bat_capacity, bool bat_charging,
113         bool bat_connected, bool ps_connected)
114 {
115         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
116         bool bat_initialized = wacom->battery.battery;
117         bool has_quirk = wacom_wac->features.quirks & WACOM_QUIRK_BATTERY;
118
119         if (bat_initialized != has_quirk)
120                 wacom_schedule_work(wacom_wac, WACOM_WORKER_BATTERY);
121
122         __wacom_notify_battery(&wacom->battery, bat_status, bat_capacity,
123                                bat_charging, bat_connected, ps_connected);
124 }
125
126 static int wacom_penpartner_irq(struct wacom_wac *wacom)
127 {
128         unsigned char *data = wacom->data;
129         struct input_dev *input = wacom->pen_input;
130
131         switch (data[0]) {
132         case 1:
133                 if (data[5] & 0x80) {
134                         wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
135                         wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
136                         input_report_key(input, wacom->tool[0], 1);
137                         input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
138                         input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
139                         input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
140                         input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
141                         input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
142                         input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
143                 } else {
144                         input_report_key(input, wacom->tool[0], 0);
145                         input_report_abs(input, ABS_MISC, 0); /* report tool id */
146                         input_report_abs(input, ABS_PRESSURE, -1);
147                         input_report_key(input, BTN_TOUCH, 0);
148                 }
149                 break;
150
151         case 2:
152                 input_report_key(input, BTN_TOOL_PEN, 1);
153                 input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
154                 input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
155                 input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
156                 input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
157                 input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
158                 input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
159                 break;
160
161         default:
162                 dev_dbg(input->dev.parent,
163                         "%s: received unknown report #%d\n", __func__, data[0]);
164                 return 0;
165         }
166
167         return 1;
168 }
169
170 static int wacom_pl_irq(struct wacom_wac *wacom)
171 {
172         struct wacom_features *features = &wacom->features;
173         unsigned char *data = wacom->data;
174         struct input_dev *input = wacom->pen_input;
175         int prox, pressure;
176
177         if (data[0] != WACOM_REPORT_PENABLED) {
178                 dev_dbg(input->dev.parent,
179                         "%s: received unknown report #%d\n", __func__, data[0]);
180                 return 0;
181         }
182
183         prox = data[1] & 0x40;
184
185         if (!wacom->id[0]) {
186                 if ((data[0] & 0x10) || (data[4] & 0x20)) {
187                         wacom->tool[0] = BTN_TOOL_RUBBER;
188                         wacom->id[0] = ERASER_DEVICE_ID;
189                 }
190                 else {
191                         wacom->tool[0] = BTN_TOOL_PEN;
192                         wacom->id[0] = STYLUS_DEVICE_ID;
193                 }
194         }
195
196         /* If the eraser is in prox, STYLUS2 is always set. If we
197          * mis-detected the type and notice that STYLUS2 isn't set
198          * then force the eraser out of prox and let the pen in.
199          */
200         if (wacom->tool[0] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
201                 input_report_key(input, BTN_TOOL_RUBBER, 0);
202                 input_report_abs(input, ABS_MISC, 0);
203                 input_sync(input);
204                 wacom->tool[0] = BTN_TOOL_PEN;
205                 wacom->id[0] = STYLUS_DEVICE_ID;
206         }
207
208         if (prox) {
209                 pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
210                 if (features->pressure_max > 255)
211                         pressure = (pressure << 1) | ((data[4] >> 6) & 1);
212                 pressure += (features->pressure_max + 1) / 2;
213
214                 input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
215                 input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
216                 input_report_abs(input, ABS_PRESSURE, pressure);
217
218                 input_report_key(input, BTN_TOUCH, data[4] & 0x08);
219                 input_report_key(input, BTN_STYLUS, data[4] & 0x10);
220                 /* Only allow the stylus2 button to be reported for the pen tool. */
221                 input_report_key(input, BTN_STYLUS2, (wacom->tool[0] == BTN_TOOL_PEN) && (data[4] & 0x20));
222         }
223
224         if (!prox)
225                 wacom->id[0] = 0;
226         input_report_key(input, wacom->tool[0], prox);
227         input_report_abs(input, ABS_MISC, wacom->id[0]);
228         return 1;
229 }
230
231 static int wacom_ptu_irq(struct wacom_wac *wacom)
232 {
233         unsigned char *data = wacom->data;
234         struct input_dev *input = wacom->pen_input;
235
236         if (data[0] != WACOM_REPORT_PENABLED) {
237                 dev_dbg(input->dev.parent,
238                         "%s: received unknown report #%d\n", __func__, data[0]);
239                 return 0;
240         }
241
242         if (data[1] & 0x04) {
243                 input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
244                 input_report_key(input, BTN_TOUCH, data[1] & 0x08);
245                 wacom->id[0] = ERASER_DEVICE_ID;
246         } else {
247                 input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
248                 input_report_key(input, BTN_TOUCH, data[1] & 0x01);
249                 wacom->id[0] = STYLUS_DEVICE_ID;
250         }
251         input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
252         input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
253         input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
254         input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
255         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
256         input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
257         return 1;
258 }
259
260 static int wacom_dtu_irq(struct wacom_wac *wacom)
261 {
262         unsigned char *data = wacom->data;
263         struct input_dev *input = wacom->pen_input;
264         int prox = data[1] & 0x20;
265
266         dev_dbg(input->dev.parent,
267                 "%s: received report #%d", __func__, data[0]);
268
269         if (prox) {
270                 /* Going into proximity select tool */
271                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
272                 if (wacom->tool[0] == BTN_TOOL_PEN)
273                         wacom->id[0] = STYLUS_DEVICE_ID;
274                 else
275                         wacom->id[0] = ERASER_DEVICE_ID;
276         }
277         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
278         input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
279         input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
280         input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
281         input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x01) << 8) | data[6]);
282         input_report_key(input, BTN_TOUCH, data[1] & 0x05);
283         if (!prox) /* out-prox */
284                 wacom->id[0] = 0;
285         input_report_key(input, wacom->tool[0], prox);
286         input_report_abs(input, ABS_MISC, wacom->id[0]);
287         return 1;
288 }
289
290 static int wacom_dtus_irq(struct wacom_wac *wacom)
291 {
292         unsigned char *data = wacom->data;
293         struct input_dev *input = wacom->pen_input;
294         unsigned short prox, pressure = 0;
295
296         if (data[0] != WACOM_REPORT_DTUS && data[0] != WACOM_REPORT_DTUSPAD) {
297                 dev_dbg(input->dev.parent,
298                         "%s: received unknown report #%d", __func__, data[0]);
299                 return 0;
300         } else if (data[0] == WACOM_REPORT_DTUSPAD) {
301                 input = wacom->pad_input;
302                 input_report_key(input, BTN_0, (data[1] & 0x01));
303                 input_report_key(input, BTN_1, (data[1] & 0x02));
304                 input_report_key(input, BTN_2, (data[1] & 0x04));
305                 input_report_key(input, BTN_3, (data[1] & 0x08));
306                 input_report_abs(input, ABS_MISC,
307                                  data[1] & 0x0f ? PAD_DEVICE_ID : 0);
308                 return 1;
309         } else {
310                 prox = data[1] & 0x80;
311                 if (prox) {
312                         switch ((data[1] >> 3) & 3) {
313                         case 1: /* Rubber */
314                                 wacom->tool[0] = BTN_TOOL_RUBBER;
315                                 wacom->id[0] = ERASER_DEVICE_ID;
316                                 break;
317
318                         case 2: /* Pen */
319                                 wacom->tool[0] = BTN_TOOL_PEN;
320                                 wacom->id[0] = STYLUS_DEVICE_ID;
321                                 break;
322                         }
323                 }
324
325                 input_report_key(input, BTN_STYLUS, data[1] & 0x20);
326                 input_report_key(input, BTN_STYLUS2, data[1] & 0x40);
327                 input_report_abs(input, ABS_X, get_unaligned_be16(&data[3]));
328                 input_report_abs(input, ABS_Y, get_unaligned_be16(&data[5]));
329                 pressure = ((data[1] & 0x03) << 8) | (data[2] & 0xff);
330                 input_report_abs(input, ABS_PRESSURE, pressure);
331                 input_report_key(input, BTN_TOUCH, pressure > 10);
332
333                 if (!prox) /* out-prox */
334                         wacom->id[0] = 0;
335                 input_report_key(input, wacom->tool[0], prox);
336                 input_report_abs(input, ABS_MISC, wacom->id[0]);
337                 return 1;
338         }
339 }
340
341 static int wacom_graphire_irq(struct wacom_wac *wacom)
342 {
343         struct wacom_features *features = &wacom->features;
344         unsigned char *data = wacom->data;
345         struct input_dev *input = wacom->pen_input;
346         struct input_dev *pad_input = wacom->pad_input;
347         int battery_capacity, ps_connected;
348         int prox;
349         int rw = 0;
350         int retval = 0;
351
352         if (features->type == GRAPHIRE_BT) {
353                 if (data[0] != WACOM_REPORT_PENABLED_BT) {
354                         dev_dbg(input->dev.parent,
355                                 "%s: received unknown report #%d\n", __func__,
356                                 data[0]);
357                         goto exit;
358                 }
359         } else if (data[0] != WACOM_REPORT_PENABLED) {
360                 dev_dbg(input->dev.parent,
361                         "%s: received unknown report #%d\n", __func__, data[0]);
362                 goto exit;
363         }
364
365         prox = data[1] & 0x80;
366         if (prox || wacom->id[0]) {
367                 if (prox) {
368                         switch ((data[1] >> 5) & 3) {
369
370                         case 0: /* Pen */
371                                 wacom->tool[0] = BTN_TOOL_PEN;
372                                 wacom->id[0] = STYLUS_DEVICE_ID;
373                                 break;
374
375                         case 1: /* Rubber */
376                                 wacom->tool[0] = BTN_TOOL_RUBBER;
377                                 wacom->id[0] = ERASER_DEVICE_ID;
378                                 break;
379
380                         case 2: /* Mouse with wheel */
381                                 input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
382                                 fallthrough;
383
384                         case 3: /* Mouse without wheel */
385                                 wacom->tool[0] = BTN_TOOL_MOUSE;
386                                 wacom->id[0] = CURSOR_DEVICE_ID;
387                                 break;
388                         }
389                 }
390                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
391                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
392                 if (wacom->tool[0] != BTN_TOOL_MOUSE) {
393                         if (features->type == GRAPHIRE_BT)
394                                 input_report_abs(input, ABS_PRESSURE, data[6] |
395                                         (((__u16) (data[1] & 0x08)) << 5));
396                         else
397                                 input_report_abs(input, ABS_PRESSURE, data[6] |
398                                         ((data[7] & 0x03) << 8));
399                         input_report_key(input, BTN_TOUCH, data[1] & 0x01);
400                         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
401                         input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
402                 } else {
403                         input_report_key(input, BTN_LEFT, data[1] & 0x01);
404                         input_report_key(input, BTN_RIGHT, data[1] & 0x02);
405                         if (features->type == WACOM_G4 ||
406                                         features->type == WACOM_MO) {
407                                 input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
408                                 rw = (data[7] & 0x04) - (data[7] & 0x03);
409                         } else if (features->type == GRAPHIRE_BT) {
410                                 /* Compute distance between mouse and tablet */
411                                 rw = 44 - (data[6] >> 2);
412                                 rw = clamp_val(rw, 0, 31);
413                                 input_report_abs(input, ABS_DISTANCE, rw);
414                                 if (((data[1] >> 5) & 3) == 2) {
415                                         /* Mouse with wheel */
416                                         input_report_key(input, BTN_MIDDLE,
417                                                         data[1] & 0x04);
418                                         rw = (data[6] & 0x01) ? -1 :
419                                                 (data[6] & 0x02) ? 1 : 0;
420                                 } else {
421                                         rw = 0;
422                                 }
423                         } else {
424                                 input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
425                                 rw = -(signed char)data[6];
426                         }
427                         input_report_rel(input, REL_WHEEL, rw);
428                 }
429
430                 if (!prox)
431                         wacom->id[0] = 0;
432                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
433                 input_report_key(input, wacom->tool[0], prox);
434                 input_sync(input); /* sync last event */
435         }
436
437         /* send pad data */
438         switch (features->type) {
439         case WACOM_G4:
440                 prox = data[7] & 0xf8;
441                 if (prox || wacom->id[1]) {
442                         wacom->id[1] = PAD_DEVICE_ID;
443                         input_report_key(pad_input, BTN_BACK, (data[7] & 0x40));
444                         input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x80));
445                         rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
446                         input_report_rel(pad_input, REL_WHEEL, rw);
447                         if (!prox)
448                                 wacom->id[1] = 0;
449                         input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
450                         retval = 1;
451                 }
452                 break;
453
454         case WACOM_MO:
455                 prox = (data[7] & 0xf8) || data[8];
456                 if (prox || wacom->id[1]) {
457                         wacom->id[1] = PAD_DEVICE_ID;
458                         input_report_key(pad_input, BTN_BACK, (data[7] & 0x08));
459                         input_report_key(pad_input, BTN_LEFT, (data[7] & 0x20));
460                         input_report_key(pad_input, BTN_FORWARD, (data[7] & 0x10));
461                         input_report_key(pad_input, BTN_RIGHT, (data[7] & 0x40));
462                         input_report_abs(pad_input, ABS_WHEEL, (data[8] & 0x7f));
463                         if (!prox)
464                                 wacom->id[1] = 0;
465                         input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
466                         retval = 1;
467                 }
468                 break;
469         case GRAPHIRE_BT:
470                 prox = data[7] & 0x03;
471                 if (prox || wacom->id[1]) {
472                         wacom->id[1] = PAD_DEVICE_ID;
473                         input_report_key(pad_input, BTN_0, (data[7] & 0x02));
474                         input_report_key(pad_input, BTN_1, (data[7] & 0x01));
475                         if (!prox)
476                                 wacom->id[1] = 0;
477                         input_report_abs(pad_input, ABS_MISC, wacom->id[1]);
478                         retval = 1;
479                 }
480                 break;
481         }
482
483         /* Store current battery capacity and power supply state */
484         if (features->type == GRAPHIRE_BT) {
485                 rw = (data[7] >> 2 & 0x07);
486                 battery_capacity = batcap_gr[rw];
487                 ps_connected = rw == 7;
488                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
489                                      battery_capacity, ps_connected, 1,
490                                      ps_connected);
491         }
492 exit:
493         return retval;
494 }
495
496 static void wacom_intuos_schedule_prox_event(struct wacom_wac *wacom_wac)
497 {
498         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
499         struct wacom_features *features = &wacom_wac->features;
500         struct hid_report *r;
501         struct hid_report_enum *re;
502
503         re = &(wacom->hdev->report_enum[HID_FEATURE_REPORT]);
504         if (features->type == INTUOSHT2)
505                 r = re->report_id_hash[WACOM_REPORT_INTUOSHT2_ID];
506         else
507                 r = re->report_id_hash[WACOM_REPORT_INTUOS_ID1];
508         if (r) {
509                 hid_hw_request(wacom->hdev, r, HID_REQ_GET_REPORT);
510         }
511 }
512
513 static int wacom_intuos_pad(struct wacom_wac *wacom)
514 {
515         struct wacom_features *features = &wacom->features;
516         unsigned char *data = wacom->data;
517         struct input_dev *input = wacom->pad_input;
518         int i;
519         int buttons = 0, nbuttons = features->numbered_buttons;
520         int keys = 0, nkeys = 0;
521         int ring1 = 0, ring2 = 0;
522         int strip1 = 0, strip2 = 0;
523         bool prox = false;
524         bool wrench = false, keyboard = false, mute_touch = false, menu = false,
525              info = false;
526
527         /* pad packets. Works as a second tool and is always in prox */
528         if (!(data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD ||
529               data[0] == WACOM_REPORT_CINTIQPAD))
530                 return 0;
531
532         if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
533                 buttons = (data[3] << 1) | (data[2] & 0x01);
534                 ring1 = data[1];
535         } else if (features->type == DTK) {
536                 buttons = data[6];
537         } else if (features->type == WACOM_13HD) {
538                 buttons = (data[4] << 1) | (data[3] & 0x01);
539         } else if (features->type == WACOM_24HD) {
540                 buttons = (data[8] << 8) | data[6];
541                 ring1 = data[1];
542                 ring2 = data[2];
543
544                 /*
545                  * Three "buttons" are available on the 24HD which are
546                  * physically implemented as a touchstrip. Each button
547                  * is approximately 3 bits wide with a 2 bit spacing.
548                  * The raw touchstrip bits are stored at:
549                  *    ((data[3] & 0x1f) << 8) | data[4])
550                  */
551                 nkeys = 3;
552                 keys = ((data[3] & 0x1C) ? 1<<2 : 0) |
553                        ((data[4] & 0xE0) ? 1<<1 : 0) |
554                        ((data[4] & 0x07) ? 1<<0 : 0);
555                 keyboard = !!(data[4] & 0xE0);
556                 info = !!(data[3] & 0x1C);
557
558                 if (features->oPid) {
559                         mute_touch = !!(data[4] & 0x07);
560                         if (mute_touch)
561                                 wacom->shared->is_touch_on =
562                                         !wacom->shared->is_touch_on;
563                 } else {
564                         wrench = !!(data[4] & 0x07);
565                 }
566         } else if (features->type == WACOM_27QHD) {
567                 nkeys = 3;
568                 keys = data[2] & 0x07;
569
570                 wrench = !!(data[2] & 0x01);
571                 keyboard = !!(data[2] & 0x02);
572
573                 if (features->oPid) {
574                         mute_touch = !!(data[2] & 0x04);
575                         if (mute_touch)
576                                 wacom->shared->is_touch_on =
577                                         !wacom->shared->is_touch_on;
578                 } else {
579                         menu = !!(data[2] & 0x04);
580                 }
581                 input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[4]));
582                 input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[6]));
583                 input_report_abs(input, ABS_Z, be16_to_cpup((__be16 *)&data[8]));
584         } else if (features->type == CINTIQ_HYBRID) {
585                 /*
586                  * Do not send hardware buttons under Android. They
587                  * are already sent to the system through GPIO (and
588                  * have different meaning).
589                  *
590                  * d-pad right  -> data[4] & 0x10
591                  * d-pad up     -> data[4] & 0x20
592                  * d-pad left   -> data[4] & 0x40
593                  * d-pad down   -> data[4] & 0x80
594                  * d-pad center -> data[3] & 0x01
595                  */
596                 buttons = (data[4] << 1) | (data[3] & 0x01);
597         } else if (features->type == CINTIQ_COMPANION_2) {
598                 /* d-pad right  -> data[2] & 0x10
599                  * d-pad up     -> data[2] & 0x20
600                  * d-pad left   -> data[2] & 0x40
601                  * d-pad down   -> data[2] & 0x80
602                  * d-pad center -> data[1] & 0x01
603                  */
604                 buttons = ((data[2] >> 4) << 7) |
605                           ((data[1] & 0x04) << 4) |
606                           ((data[2] & 0x0F) << 2) |
607                           (data[1] & 0x03);
608         } else if (features->type >= INTUOS5S && features->type <= INTUOSPL) {
609                 /*
610                  * ExpressKeys on Intuos5/Intuos Pro have a capacitive sensor in
611                  * addition to the mechanical switch. Switch data is
612                  * stored in data[4], capacitive data in data[5].
613                  *
614                  * Touch ring mode switch (data[3]) has no capacitive sensor
615                  */
616                 buttons = (data[4] << 1) | (data[3] & 0x01);
617                 ring1 = data[2];
618         } else {
619                 if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
620                         buttons = (data[8] << 10) | ((data[7] & 0x01) << 9) |
621                                   (data[6] << 1) | (data[5] & 0x01);
622
623                         if (features->type == WACOM_22HD) {
624                                 nkeys = 3;
625                                 keys = data[9] & 0x07;
626
627                                 info = !!(data[9] & 0x01);
628                                 wrench = !!(data[9] & 0x02);
629                         }
630                 } else {
631                         buttons = ((data[6] & 0x10) << 5)  |
632                                   ((data[5] & 0x10) << 4)  |
633                                   ((data[6] & 0x0F) << 4)  |
634                                   (data[5] & 0x0F);
635                 }
636                 strip1 = ((data[1] & 0x1f) << 8) | data[2];
637                 strip2 = ((data[3] & 0x1f) << 8) | data[4];
638         }
639
640         prox = (buttons & ~(~0U << nbuttons)) | (keys & ~(~0U << nkeys)) |
641                (ring1 & 0x80) | (ring2 & 0x80) | strip1 | strip2;
642
643         wacom_report_numbered_buttons(input, nbuttons, buttons);
644
645         for (i = 0; i < nkeys; i++)
646                 input_report_key(input, KEY_PROG1 + i, keys & (1 << i));
647
648         input_report_key(input, KEY_BUTTONCONFIG, wrench);
649         input_report_key(input, KEY_ONSCREEN_KEYBOARD, keyboard);
650         input_report_key(input, KEY_CONTROLPANEL, menu);
651         input_report_key(input, KEY_INFO, info);
652
653         if (wacom->shared && wacom->shared->touch_input) {
654                 input_report_switch(wacom->shared->touch_input,
655                                     SW_MUTE_DEVICE,
656                                     !wacom->shared->is_touch_on);
657                 input_sync(wacom->shared->touch_input);
658         }
659
660         input_report_abs(input, ABS_RX, strip1);
661         input_report_abs(input, ABS_RY, strip2);
662
663         input_report_abs(input, ABS_WHEEL,    (ring1 & 0x80) ? (ring1 & 0x7f) : 0);
664         input_report_abs(input, ABS_THROTTLE, (ring2 & 0x80) ? (ring2 & 0x7f) : 0);
665
666         input_report_key(input, wacom->tool[1], prox ? 1 : 0);
667         input_report_abs(input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
668
669         input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
670
671         return 1;
672 }
673
674 static int wacom_intuos_id_mangle(int tool_id)
675 {
676         return (tool_id & ~0xFFF) << 4 | (tool_id & 0xFFF);
677 }
678
679 static bool wacom_is_art_pen(int tool_id)
680 {
681         bool is_art_pen = false;
682
683         switch (tool_id) {
684         case 0x885:     /* Intuos3 Marker Pen */
685         case 0x804:     /* Intuos4/5 13HD/24HD Marker Pen */
686         case 0x10804:   /* Intuos4/5 13HD/24HD Art Pen */
687                 is_art_pen = true;
688                 break;
689         }
690         return is_art_pen;
691 }
692
693 static int wacom_intuos_get_tool_type(int tool_id)
694 {
695         int tool_type = BTN_TOOL_PEN;
696
697         if (wacom_is_art_pen(tool_id))
698                 return tool_type;
699
700         switch (tool_id) {
701         case 0x812: /* Inking pen */
702         case 0x801: /* Intuos3 Inking pen */
703         case 0x12802: /* Intuos4/5 Inking Pen */
704         case 0x012:
705                 tool_type = BTN_TOOL_PENCIL;
706                 break;
707
708         case 0x822: /* Pen */
709         case 0x842:
710         case 0x852:
711         case 0x823: /* Intuos3 Grip Pen */
712         case 0x813: /* Intuos3 Classic Pen */
713         case 0x802: /* Intuos4/5 13HD/24HD General Pen */
714         case 0x8e2: /* IntuosHT2 pen */
715         case 0x022:
716         case 0x200: /* Pro Pen 3 */
717         case 0x04200: /* Pro Pen 3 */
718         case 0x10842: /* MobileStudio Pro Pro Pen slim */
719         case 0x14802: /* Intuos4/5 13HD/24HD Classic Pen */
720         case 0x16802: /* Cintiq 13HD Pro Pen */
721         case 0x18802: /* DTH2242 Pen */
722         case 0x10802: /* Intuos4/5 13HD/24HD General Pen */
723         case 0x80842: /* Intuos Pro and Cintiq Pro 3D Pen */
724                 tool_type = BTN_TOOL_PEN;
725                 break;
726
727         case 0x832: /* Stroke pen */
728         case 0x032:
729                 tool_type = BTN_TOOL_BRUSH;
730                 break;
731
732         case 0x007: /* Mouse 4D and 2D */
733         case 0x09c:
734         case 0x094:
735         case 0x017: /* Intuos3 2D Mouse */
736         case 0x806: /* Intuos4 Mouse */
737                 tool_type = BTN_TOOL_MOUSE;
738                 break;
739
740         case 0x096: /* Lens cursor */
741         case 0x097: /* Intuos3 Lens cursor */
742         case 0x006: /* Intuos4 Lens cursor */
743                 tool_type = BTN_TOOL_LENS;
744                 break;
745
746         case 0x82a: /* Eraser */
747         case 0x84a:
748         case 0x85a:
749         case 0x91a:
750         case 0xd1a:
751         case 0x0fa:
752         case 0x82b: /* Intuos3 Grip Pen Eraser */
753         case 0x81b: /* Intuos3 Classic Pen Eraser */
754         case 0x91b: /* Intuos3 Airbrush Eraser */
755         case 0x80c: /* Intuos4/5 13HD/24HD Marker Pen Eraser */
756         case 0x80a: /* Intuos4/5 13HD/24HD General Pen Eraser */
757         case 0x90a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
758         case 0x1480a: /* Intuos4/5 13HD/24HD Classic Pen Eraser */
759         case 0x1090a: /* Intuos4/5 13HD/24HD Airbrush Eraser */
760         case 0x1080c: /* Intuos4/5 13HD/24HD Art Pen Eraser */
761         case 0x1084a: /* MobileStudio Pro Pro Pen slim Eraser */
762         case 0x1680a: /* Cintiq 13HD Pro Pen Eraser */
763         case 0x1880a: /* DTH2242 Eraser */
764         case 0x1080a: /* Intuos4/5 13HD/24HD General Pen Eraser */
765                 tool_type = BTN_TOOL_RUBBER;
766                 break;
767
768         case 0xd12:
769         case 0x912:
770         case 0x112:
771         case 0x913: /* Intuos3 Airbrush */
772         case 0x902: /* Intuos4/5 13HD/24HD Airbrush */
773         case 0x10902: /* Intuos4/5 13HD/24HD Airbrush */
774                 tool_type = BTN_TOOL_AIRBRUSH;
775                 break;
776         }
777         return tool_type;
778 }
779
780 static void wacom_exit_report(struct wacom_wac *wacom)
781 {
782         struct input_dev *input = wacom->pen_input;
783         struct wacom_features *features = &wacom->features;
784         unsigned char *data = wacom->data;
785         int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
786
787         /*
788          * Reset all states otherwise we lose the initial states
789          * when in-prox next time
790          */
791         input_report_abs(input, ABS_X, 0);
792         input_report_abs(input, ABS_Y, 0);
793         input_report_abs(input, ABS_DISTANCE, 0);
794         input_report_abs(input, ABS_TILT_X, 0);
795         input_report_abs(input, ABS_TILT_Y, 0);
796         if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
797                 input_report_key(input, BTN_LEFT, 0);
798                 input_report_key(input, BTN_MIDDLE, 0);
799                 input_report_key(input, BTN_RIGHT, 0);
800                 input_report_key(input, BTN_SIDE, 0);
801                 input_report_key(input, BTN_EXTRA, 0);
802                 input_report_abs(input, ABS_THROTTLE, 0);
803                 input_report_abs(input, ABS_RZ, 0);
804         } else {
805                 input_report_abs(input, ABS_PRESSURE, 0);
806                 input_report_key(input, BTN_STYLUS, 0);
807                 input_report_key(input, BTN_STYLUS2, 0);
808                 input_report_key(input, BTN_TOUCH, 0);
809                 input_report_abs(input, ABS_WHEEL, 0);
810                 if (features->type >= INTUOS3S)
811                         input_report_abs(input, ABS_Z, 0);
812         }
813         input_report_key(input, wacom->tool[idx], 0);
814         input_report_abs(input, ABS_MISC, 0); /* reset tool id */
815         input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
816         wacom->id[idx] = 0;
817 }
818
819 static int wacom_intuos_inout(struct wacom_wac *wacom)
820 {
821         struct wacom_features *features = &wacom->features;
822         unsigned char *data = wacom->data;
823         struct input_dev *input = wacom->pen_input;
824         int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
825
826         if (!(((data[1] & 0xfc) == 0xc0) ||  /* in prox */
827             ((data[1] & 0xfe) == 0x20) ||    /* in range */
828             ((data[1] & 0xfe) == 0x80)))     /* out prox */
829                 return 0;
830
831         /* Enter report */
832         if ((data[1] & 0xfc) == 0xc0) {
833                 /* serial number of the tool */
834                 wacom->serial[idx] = ((__u64)(data[3] & 0x0f) << 28) +
835                         (data[4] << 20) + (data[5] << 12) +
836                         (data[6] << 4) + (data[7] >> 4);
837
838                 wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
839                      ((data[7] & 0x0f) << 16) | ((data[8] & 0xf0) << 8);
840
841                 wacom->tool[idx] = wacom_intuos_get_tool_type(wacom->id[idx]);
842
843                 wacom->shared->stylus_in_proximity = true;
844                 return 1;
845         }
846
847         /* in Range */
848         if ((data[1] & 0xfe) == 0x20) {
849                 if (features->type != INTUOSHT2)
850                         wacom->shared->stylus_in_proximity = true;
851
852                 /* in Range while exiting */
853                 if (wacom->reporting_data) {
854                         input_report_key(input, BTN_TOUCH, 0);
855                         input_report_abs(input, ABS_PRESSURE, 0);
856                         input_report_abs(input, ABS_DISTANCE, wacom->features.distance_max);
857                         return 2;
858                 }
859                 return 1;
860         }
861
862         /* Exit report */
863         if ((data[1] & 0xfe) == 0x80) {
864                 wacom->shared->stylus_in_proximity = false;
865                 wacom->reporting_data = false;
866
867                 /* don't report exit if we don't know the ID */
868                 if (!wacom->id[idx])
869                         return 1;
870
871                 wacom_exit_report(wacom);
872                 return 2;
873         }
874
875         return 0;
876 }
877
878 static inline bool touch_is_muted(struct wacom_wac *wacom_wac)
879 {
880         return wacom_wac->probe_complete &&
881                wacom_wac->shared->has_mute_touch_switch &&
882                !wacom_wac->shared->is_touch_on;
883 }
884
885 static inline bool report_touch_events(struct wacom_wac *wacom)
886 {
887         return (touch_arbitration ? !wacom->shared->stylus_in_proximity : 1);
888 }
889
890 static inline bool delay_pen_events(struct wacom_wac *wacom)
891 {
892         return (wacom->shared->touch_down && touch_arbitration);
893 }
894
895 static int wacom_intuos_general(struct wacom_wac *wacom)
896 {
897         struct wacom_features *features = &wacom->features;
898         unsigned char *data = wacom->data;
899         struct input_dev *input = wacom->pen_input;
900         int idx = (features->type == INTUOS) ? (data[1] & 0x01) : 0;
901         unsigned char type = (data[1] >> 1) & 0x0F;
902         unsigned int x, y, distance, t;
903
904         if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_CINTIQ &&
905                 data[0] != WACOM_REPORT_INTUOS_PEN)
906                 return 0;
907
908         if (delay_pen_events(wacom))
909                 return 1;
910
911         /* don't report events if we don't know the tool ID */
912         if (!wacom->id[idx]) {
913                 /* but reschedule a read of the current tool */
914                 wacom_intuos_schedule_prox_event(wacom);
915                 return 1;
916         }
917
918         /*
919          * don't report events for invalid data
920          */
921         /* older I4 styli don't work with new Cintiqs */
922         if ((!((wacom->id[idx] >> 16) & 0x01) &&
923                         (features->type == WACOM_21UX2)) ||
924             /* Only large Intuos support Lense Cursor */
925             (wacom->tool[idx] == BTN_TOOL_LENS &&
926                 (features->type == INTUOS3 ||
927                  features->type == INTUOS3S ||
928                  features->type == INTUOS4 ||
929                  features->type == INTUOS4S ||
930                  features->type == INTUOS5 ||
931                  features->type == INTUOS5S ||
932                  features->type == INTUOSPM ||
933                  features->type == INTUOSPS)) ||
934            /* Cintiq doesn't send data when RDY bit isn't set */
935            (features->type == CINTIQ && !(data[1] & 0x40)))
936                 return 1;
937
938         x = (be16_to_cpup((__be16 *)&data[2]) << 1) | ((data[9] >> 1) & 1);
939         y = (be16_to_cpup((__be16 *)&data[4]) << 1) | (data[9] & 1);
940         distance = data[9] >> 2;
941         if (features->type < INTUOS3S) {
942                 x >>= 1;
943                 y >>= 1;
944                 distance >>= 1;
945         }
946         if (features->type == INTUOSHT2)
947                 distance = features->distance_max - distance;
948         input_report_abs(input, ABS_X, x);
949         input_report_abs(input, ABS_Y, y);
950         input_report_abs(input, ABS_DISTANCE, distance);
951
952         switch (type) {
953         case 0x00:
954         case 0x01:
955         case 0x02:
956         case 0x03:
957                 /* general pen packet */
958                 t = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | (data[1] & 1);
959                 if (features->pressure_max < 2047)
960                         t >>= 1;
961                 input_report_abs(input, ABS_PRESSURE, t);
962                 if (features->type != INTUOSHT2) {
963                     input_report_abs(input, ABS_TILT_X,
964                                  (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
965                     input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
966                 }
967                 input_report_key(input, BTN_STYLUS, data[1] & 2);
968                 input_report_key(input, BTN_STYLUS2, data[1] & 4);
969                 input_report_key(input, BTN_TOUCH, t > 10);
970                 break;
971
972         case 0x0a:
973                 /* airbrush second packet */
974                 input_report_abs(input, ABS_WHEEL,
975                                 (data[6] << 2) | ((data[7] >> 6) & 3));
976                 input_report_abs(input, ABS_TILT_X,
977                                  (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
978                 input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
979                 break;
980
981         case 0x05:
982                 /* Rotation packet */
983                 if (features->type >= INTUOS3S) {
984                         /* I3 marker pen rotation */
985                         t = (data[6] << 3) | ((data[7] >> 5) & 7);
986                         t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
987                                 ((t-1) / 2 + 450)) : (450 - t / 2) ;
988                         input_report_abs(input, ABS_Z, t);
989                 } else {
990                         /* 4D mouse 2nd packet */
991                         t = (data[6] << 3) | ((data[7] >> 5) & 7);
992                         input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
993                                 ((t - 1) / 2) : -t / 2);
994                 }
995                 break;
996
997         case 0x04:
998                 /* 4D mouse 1st packet */
999                 input_report_key(input, BTN_LEFT,   data[8] & 0x01);
1000                 input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
1001                 input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
1002
1003                 input_report_key(input, BTN_SIDE,   data[8] & 0x20);
1004                 input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
1005                 t = (data[6] << 2) | ((data[7] >> 6) & 3);
1006                 input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
1007                 break;
1008
1009         case 0x06:
1010                 /* I4 mouse */
1011                 input_report_key(input, BTN_LEFT,   data[6] & 0x01);
1012                 input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
1013                 input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
1014                 input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
1015                                  - ((data[7] & 0x40) >> 6));
1016                 input_report_key(input, BTN_SIDE,   data[6] & 0x08);
1017                 input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
1018
1019                 input_report_abs(input, ABS_TILT_X,
1020                         (((data[7] << 1) & 0x7e) | (data[8] >> 7)) - 64);
1021                 input_report_abs(input, ABS_TILT_Y, (data[8] & 0x7f) - 64);
1022                 break;
1023
1024         case 0x08:
1025                 if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
1026                         /* 2D mouse packet */
1027                         input_report_key(input, BTN_LEFT,   data[8] & 0x04);
1028                         input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
1029                         input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
1030                         input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
1031                                          - ((data[8] & 0x02) >> 1));
1032
1033                         /* I3 2D mouse side buttons */
1034                         if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
1035                                 input_report_key(input, BTN_SIDE,   data[8] & 0x40);
1036                                 input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
1037                         }
1038                 }
1039                 else if (wacom->tool[idx] == BTN_TOOL_LENS) {
1040                         /* Lens cursor packets */
1041                         input_report_key(input, BTN_LEFT,   data[8] & 0x01);
1042                         input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
1043                         input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
1044                         input_report_key(input, BTN_SIDE,   data[8] & 0x10);
1045                         input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
1046                 }
1047                 break;
1048
1049         case 0x07:
1050         case 0x09:
1051         case 0x0b:
1052         case 0x0c:
1053         case 0x0d:
1054         case 0x0e:
1055         case 0x0f:
1056                 /* unhandled */
1057                 break;
1058         }
1059
1060         input_report_abs(input, ABS_MISC,
1061                          wacom_intuos_id_mangle(wacom->id[idx])); /* report tool id */
1062         input_report_key(input, wacom->tool[idx], 1);
1063         input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
1064         wacom->reporting_data = true;
1065         return 2;
1066 }
1067
1068 static int wacom_intuos_irq(struct wacom_wac *wacom)
1069 {
1070         unsigned char *data = wacom->data;
1071         struct input_dev *input = wacom->pen_input;
1072         int result;
1073
1074         if (data[0] != WACOM_REPORT_PENABLED &&
1075             data[0] != WACOM_REPORT_INTUOS_ID1 &&
1076             data[0] != WACOM_REPORT_INTUOS_ID2 &&
1077             data[0] != WACOM_REPORT_INTUOSPAD &&
1078             data[0] != WACOM_REPORT_INTUOS_PEN &&
1079             data[0] != WACOM_REPORT_CINTIQ &&
1080             data[0] != WACOM_REPORT_CINTIQPAD &&
1081             data[0] != WACOM_REPORT_INTUOS5PAD) {
1082                 dev_dbg(input->dev.parent,
1083                         "%s: received unknown report #%d\n", __func__, data[0]);
1084                 return 0;
1085         }
1086
1087         /* process pad events */
1088         result = wacom_intuos_pad(wacom);
1089         if (result)
1090                 return result;
1091
1092         /* process in/out prox events */
1093         result = wacom_intuos_inout(wacom);
1094         if (result)
1095                 return result - 1;
1096
1097         /* process general packets */
1098         result = wacom_intuos_general(wacom);
1099         if (result)
1100                 return result - 1;
1101
1102         return 0;
1103 }
1104
1105 static int wacom_remote_irq(struct wacom_wac *wacom_wac, size_t len)
1106 {
1107         unsigned char *data = wacom_wac->data;
1108         struct input_dev *input;
1109         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1110         struct wacom_remote *remote = wacom->remote;
1111         int bat_charging, bat_percent, touch_ring_mode;
1112         __u32 serial;
1113         int i, index = -1;
1114         unsigned long flags;
1115
1116         if (data[0] != WACOM_REPORT_REMOTE) {
1117                 hid_dbg(wacom->hdev, "%s: received unknown report #%d",
1118                         __func__, data[0]);
1119                 return 0;
1120         }
1121
1122         serial = data[3] + (data[4] << 8) + (data[5] << 16);
1123         wacom_wac->id[0] = PAD_DEVICE_ID;
1124
1125         spin_lock_irqsave(&remote->remote_lock, flags);
1126
1127         for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1128                 if (remote->remotes[i].serial == serial) {
1129                         index = i;
1130                         break;
1131                 }
1132         }
1133
1134         if (index < 0 || !remote->remotes[index].registered)
1135                 goto out;
1136
1137         remote->remotes[i].active_time = ktime_get();
1138         input = remote->remotes[index].input;
1139
1140         input_report_key(input, BTN_0, (data[9] & 0x01));
1141         input_report_key(input, BTN_1, (data[9] & 0x02));
1142         input_report_key(input, BTN_2, (data[9] & 0x04));
1143         input_report_key(input, BTN_3, (data[9] & 0x08));
1144         input_report_key(input, BTN_4, (data[9] & 0x10));
1145         input_report_key(input, BTN_5, (data[9] & 0x20));
1146         input_report_key(input, BTN_6, (data[9] & 0x40));
1147         input_report_key(input, BTN_7, (data[9] & 0x80));
1148
1149         input_report_key(input, BTN_8, (data[10] & 0x01));
1150         input_report_key(input, BTN_9, (data[10] & 0x02));
1151         input_report_key(input, BTN_A, (data[10] & 0x04));
1152         input_report_key(input, BTN_B, (data[10] & 0x08));
1153         input_report_key(input, BTN_C, (data[10] & 0x10));
1154         input_report_key(input, BTN_X, (data[10] & 0x20));
1155         input_report_key(input, BTN_Y, (data[10] & 0x40));
1156         input_report_key(input, BTN_Z, (data[10] & 0x80));
1157
1158         input_report_key(input, BTN_BASE, (data[11] & 0x01));
1159         input_report_key(input, BTN_BASE2, (data[11] & 0x02));
1160
1161         if (data[12] & 0x80)
1162                 input_report_abs(input, ABS_WHEEL, (data[12] & 0x7f) - 1);
1163         else
1164                 input_report_abs(input, ABS_WHEEL, 0);
1165
1166         bat_percent = data[7] & 0x7f;
1167         bat_charging = !!(data[7] & 0x80);
1168
1169         if (data[9] | data[10] | (data[11] & 0x03) | data[12])
1170                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
1171         else
1172                 input_report_abs(input, ABS_MISC, 0);
1173
1174         input_event(input, EV_MSC, MSC_SERIAL, serial);
1175
1176         input_sync(input);
1177
1178         /*Which mode select (LED light) is currently on?*/
1179         touch_ring_mode = (data[11] & 0xC0) >> 6;
1180
1181         for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1182                 if (remote->remotes[i].serial == serial)
1183                         wacom->led.groups[i].select = touch_ring_mode;
1184         }
1185
1186         __wacom_notify_battery(&remote->remotes[index].battery,
1187                                 WACOM_POWER_SUPPLY_STATUS_AUTO, bat_percent,
1188                                 bat_charging, 1, bat_charging);
1189
1190 out:
1191         spin_unlock_irqrestore(&remote->remote_lock, flags);
1192         return 0;
1193 }
1194
1195 static void wacom_remote_status_irq(struct wacom_wac *wacom_wac, size_t len)
1196 {
1197         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
1198         unsigned char *data = wacom_wac->data;
1199         struct wacom_remote *remote = wacom->remote;
1200         struct wacom_remote_work_data remote_data;
1201         unsigned long flags;
1202         int i, ret;
1203
1204         if (data[0] != WACOM_REPORT_DEVICE_LIST)
1205                 return;
1206
1207         memset(&remote_data, 0, sizeof(struct wacom_remote_work_data));
1208
1209         for (i = 0; i < WACOM_MAX_REMOTES; i++) {
1210                 int j = i * 6;
1211                 int serial = (data[j+6] << 16) + (data[j+5] << 8) + data[j+4];
1212
1213                 remote_data.remote[i].serial = serial;
1214         }
1215
1216         spin_lock_irqsave(&remote->remote_lock, flags);
1217
1218         ret = kfifo_in(&remote->remote_fifo, &remote_data, sizeof(remote_data));
1219         if (ret != sizeof(remote_data)) {
1220                 spin_unlock_irqrestore(&remote->remote_lock, flags);
1221                 hid_err(wacom->hdev, "Can't queue Remote status event.\n");
1222                 return;
1223         }
1224
1225         spin_unlock_irqrestore(&remote->remote_lock, flags);
1226
1227         wacom_schedule_work(wacom_wac, WACOM_WORKER_REMOTE);
1228 }
1229
1230 static int int_dist(int x1, int y1, int x2, int y2)
1231 {
1232         int x = x2 - x1;
1233         int y = y2 - y1;
1234
1235         return int_sqrt(x*x + y*y);
1236 }
1237
1238 static void wacom_intuos_bt_process_data(struct wacom_wac *wacom,
1239                 unsigned char *data)
1240 {
1241         memcpy(wacom->data, data, 10);
1242         wacom_intuos_irq(wacom);
1243
1244         input_sync(wacom->pen_input);
1245         if (wacom->pad_input)
1246                 input_sync(wacom->pad_input);
1247 }
1248
1249 static int wacom_intuos_bt_irq(struct wacom_wac *wacom, size_t len)
1250 {
1251         unsigned char data[WACOM_PKGLEN_MAX];
1252         int i = 1;
1253         unsigned power_raw, battery_capacity, bat_charging, ps_connected;
1254
1255         memcpy(data, wacom->data, len);
1256
1257         switch (data[0]) {
1258         case 0x04:
1259                 wacom_intuos_bt_process_data(wacom, data + i);
1260                 i += 10;
1261                 fallthrough;
1262         case 0x03:
1263                 wacom_intuos_bt_process_data(wacom, data + i);
1264                 i += 10;
1265                 wacom_intuos_bt_process_data(wacom, data + i);
1266                 i += 10;
1267                 power_raw = data[i];
1268                 bat_charging = (power_raw & 0x08) ? 1 : 0;
1269                 ps_connected = (power_raw & 0x10) ? 1 : 0;
1270                 battery_capacity = batcap_i4[power_raw & 0x07];
1271                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1272                                      battery_capacity, bat_charging,
1273                                      battery_capacity || bat_charging,
1274                                      ps_connected);
1275                 break;
1276         default:
1277                 dev_dbg(wacom->pen_input->dev.parent,
1278                                 "Unknown report: %d,%d size:%zu\n",
1279                                 data[0], data[1], len);
1280                 return 0;
1281         }
1282         return 0;
1283 }
1284
1285 static int wacom_wac_finger_count_touches(struct wacom_wac *wacom)
1286 {
1287         struct input_dev *input = wacom->touch_input;
1288         unsigned touch_max = wacom->features.touch_max;
1289         int count = 0;
1290         int i;
1291
1292         if (!touch_max)
1293                 return 0;
1294
1295         if (touch_max == 1)
1296                 return test_bit(BTN_TOUCH, input->key) &&
1297                         report_touch_events(wacom);
1298
1299         for (i = 0; i < input->mt->num_slots; i++) {
1300                 struct input_mt_slot *ps = &input->mt->slots[i];
1301                 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
1302                 if (id >= 0)
1303                         count++;
1304         }
1305
1306         return count;
1307 }
1308
1309 static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
1310 {
1311         int pen_frame_len, pen_frames;
1312
1313         struct input_dev *pen_input = wacom->pen_input;
1314         unsigned char *data = wacom->data;
1315         int number_of_valid_frames = 0;
1316         ktime_t time_interval = 15000000;
1317         ktime_t time_packet_received = ktime_get();
1318         int i;
1319
1320         if (wacom->features.type == INTUOSP2_BT ||
1321             wacom->features.type == INTUOSP2S_BT) {
1322                 wacom->serial[0] = get_unaligned_le64(&data[99]);
1323                 wacom->id[0]     = get_unaligned_le16(&data[107]);
1324                 pen_frame_len = 14;
1325                 pen_frames = 7;
1326         } else {
1327                 wacom->serial[0] = get_unaligned_le64(&data[33]);
1328                 wacom->id[0]     = get_unaligned_le16(&data[41]);
1329                 pen_frame_len = 8;
1330                 pen_frames = 4;
1331         }
1332
1333         if (wacom->serial[0] >> 52 == 1) {
1334                 /* Add back in missing bits of ID for non-USI pens */
1335                 wacom->id[0] |= (wacom->serial[0] >> 32) & 0xFFFFF;
1336         }
1337
1338         /* number of valid frames */
1339         for (i = 0; i < pen_frames; i++) {
1340                 unsigned char *frame = &data[i*pen_frame_len + 1];
1341                 bool valid = frame[0] & 0x80;
1342
1343                 if (valid)
1344                         number_of_valid_frames++;
1345         }
1346
1347         if (number_of_valid_frames) {
1348                 if (wacom->hid_data.time_delayed)
1349                         time_interval = ktime_get() - wacom->hid_data.time_delayed;
1350                 time_interval = div_u64(time_interval, number_of_valid_frames);
1351                 wacom->hid_data.time_delayed = time_packet_received;
1352         }
1353
1354         for (i = 0; i < number_of_valid_frames; i++) {
1355                 unsigned char *frame = &data[i*pen_frame_len + 1];
1356                 bool valid = frame[0] & 0x80;
1357                 bool prox = frame[0] & 0x40;
1358                 bool range = frame[0] & 0x20;
1359                 bool invert = frame[0] & 0x10;
1360                 int frames_number_reversed = number_of_valid_frames - i - 1;
1361                 ktime_t event_timestamp = time_packet_received - frames_number_reversed * time_interval;
1362
1363                 if (!valid)
1364                         continue;
1365
1366                 if (!prox) {
1367                         wacom->shared->stylus_in_proximity = false;
1368                         wacom_exit_report(wacom);
1369                         input_sync(pen_input);
1370
1371                         wacom->tool[0] = 0;
1372                         wacom->id[0] = 0;
1373                         wacom->serial[0] = 0;
1374                         wacom->hid_data.time_delayed = 0;
1375                         return;
1376                 }
1377
1378                 if (range) {
1379                         if (!wacom->tool[0]) { /* first in range */
1380                                 /* Going into range select tool */
1381                                 if (invert)
1382                                         wacom->tool[0] = BTN_TOOL_RUBBER;
1383                                 else if (wacom->id[0])
1384                                         wacom->tool[0] = wacom_intuos_get_tool_type(wacom->id[0]);
1385                                 else
1386                                         wacom->tool[0] = BTN_TOOL_PEN;
1387                         }
1388
1389                         input_report_abs(pen_input, ABS_X, get_unaligned_le16(&frame[1]));
1390                         input_report_abs(pen_input, ABS_Y, get_unaligned_le16(&frame[3]));
1391
1392                         if (wacom->features.type == INTUOSP2_BT ||
1393                             wacom->features.type == INTUOSP2S_BT) {
1394                                 /* Fix rotation alignment: userspace expects zero at left */
1395                                 int16_t rotation =
1396                                         (int16_t)get_unaligned_le16(&frame[9]);
1397                                 rotation += 1800/4;
1398
1399                                 if (rotation > 899)
1400                                         rotation -= 1800;
1401
1402                                 input_report_abs(pen_input, ABS_TILT_X,
1403                                                  (char)frame[7]);
1404                                 input_report_abs(pen_input, ABS_TILT_Y,
1405                                                  (char)frame[8]);
1406                                 input_report_abs(pen_input, ABS_Z, rotation);
1407                                 input_report_abs(pen_input, ABS_WHEEL,
1408                                                  get_unaligned_le16(&frame[11]));
1409                         }
1410                 }
1411
1412                 if (wacom->tool[0]) {
1413                         input_report_abs(pen_input, ABS_PRESSURE, get_unaligned_le16(&frame[5]));
1414                         if (wacom->features.type == INTUOSP2_BT ||
1415                             wacom->features.type == INTUOSP2S_BT) {
1416                                 input_report_abs(pen_input, ABS_DISTANCE,
1417                                                  range ? frame[13] : wacom->features.distance_max);
1418                         } else {
1419                                 input_report_abs(pen_input, ABS_DISTANCE,
1420                                                  range ? frame[7] : wacom->features.distance_max);
1421                         }
1422
1423                         input_report_key(pen_input, BTN_TOUCH, frame[0] & 0x09);
1424                         input_report_key(pen_input, BTN_STYLUS, frame[0] & 0x02);
1425                         input_report_key(pen_input, BTN_STYLUS2, frame[0] & 0x04);
1426
1427                         input_report_key(pen_input, wacom->tool[0], prox);
1428                         input_event(pen_input, EV_MSC, MSC_SERIAL, wacom->serial[0]);
1429                         input_report_abs(pen_input, ABS_MISC,
1430                                          wacom_intuos_id_mangle(wacom->id[0])); /* report tool id */
1431                 }
1432
1433                 wacom->shared->stylus_in_proximity = prox;
1434
1435                 /* add timestamp to unpack the frames */
1436                 input_set_timestamp(pen_input, event_timestamp);
1437
1438                 input_sync(pen_input);
1439         }
1440 }
1441
1442 static void wacom_intuos_pro2_bt_touch(struct wacom_wac *wacom)
1443 {
1444         const int finger_touch_len = 8;
1445         const int finger_frames = 4;
1446         const int finger_frame_len = 43;
1447
1448         struct input_dev *touch_input = wacom->touch_input;
1449         unsigned char *data = wacom->data;
1450         int num_contacts_left = 5;
1451         int i, j;
1452
1453         for (i = 0; i < finger_frames; i++) {
1454                 unsigned char *frame = &data[i*finger_frame_len + 109];
1455                 int current_num_contacts = frame[0] & 0x7F;
1456                 int contacts_to_send;
1457
1458                 if (!(frame[0] & 0x80))
1459                         continue;
1460
1461                 /*
1462                  * First packet resets the counter since only the first
1463                  * packet in series will have non-zero current_num_contacts.
1464                  */
1465                 if (current_num_contacts)
1466                         wacom->num_contacts_left = current_num_contacts;
1467
1468                 contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1469
1470                 for (j = 0; j < contacts_to_send; j++) {
1471                         unsigned char *touch = &frame[j*finger_touch_len + 1];
1472                         int slot = input_mt_get_slot_by_key(touch_input, touch[0]);
1473                         int x = get_unaligned_le16(&touch[2]);
1474                         int y = get_unaligned_le16(&touch[4]);
1475                         int w = touch[6] * input_abs_get_res(touch_input, ABS_MT_POSITION_X);
1476                         int h = touch[7] * input_abs_get_res(touch_input, ABS_MT_POSITION_Y);
1477
1478                         if (slot < 0)
1479                                 continue;
1480
1481                         input_mt_slot(touch_input, slot);
1482                         input_mt_report_slot_state(touch_input, MT_TOOL_FINGER, touch[1] & 0x01);
1483                         input_report_abs(touch_input, ABS_MT_POSITION_X, x);
1484                         input_report_abs(touch_input, ABS_MT_POSITION_Y, y);
1485                         input_report_abs(touch_input, ABS_MT_TOUCH_MAJOR, max(w, h));
1486                         input_report_abs(touch_input, ABS_MT_TOUCH_MINOR, min(w, h));
1487                         input_report_abs(touch_input, ABS_MT_ORIENTATION, w > h);
1488                 }
1489
1490                 input_mt_sync_frame(touch_input);
1491
1492                 wacom->num_contacts_left -= contacts_to_send;
1493                 if (wacom->num_contacts_left <= 0) {
1494                         wacom->num_contacts_left = 0;
1495                         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1496                         input_sync(touch_input);
1497                 }
1498         }
1499
1500         if (wacom->num_contacts_left == 0) {
1501                 // Be careful that we don't accidentally call input_sync with
1502                 // only a partial set of fingers of processed
1503                 input_report_switch(touch_input, SW_MUTE_DEVICE, !(data[281] >> 7));
1504                 input_sync(touch_input);
1505         }
1506
1507 }
1508
1509 static void wacom_intuos_pro2_bt_pad(struct wacom_wac *wacom)
1510 {
1511         struct input_dev *pad_input = wacom->pad_input;
1512         unsigned char *data = wacom->data;
1513         int nbuttons = wacom->features.numbered_buttons;
1514
1515         int expresskeys = data[282];
1516         int center = (data[281] & 0x40) >> 6;
1517         int ring = data[285] & 0x7F;
1518         bool ringstatus = data[285] & 0x80;
1519         bool prox = expresskeys || center || ringstatus;
1520
1521         /* Fix touchring data: userspace expects 0 at left and increasing clockwise */
1522         ring = 71 - ring;
1523         ring += 3*72/16;
1524         if (ring > 71)
1525                 ring -= 72;
1526
1527         wacom_report_numbered_buttons(pad_input, nbuttons,
1528                                       expresskeys | (center << (nbuttons - 1)));
1529
1530         input_report_abs(pad_input, ABS_WHEEL, ringstatus ? ring : 0);
1531
1532         input_report_key(pad_input, wacom->tool[1], prox ? 1 : 0);
1533         input_report_abs(pad_input, ABS_MISC, prox ? PAD_DEVICE_ID : 0);
1534         input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1535
1536         input_sync(pad_input);
1537 }
1538
1539 static void wacom_intuos_pro2_bt_battery(struct wacom_wac *wacom)
1540 {
1541         unsigned char *data = wacom->data;
1542
1543         bool chg = data[284] & 0x80;
1544         int battery_status = data[284] & 0x7F;
1545
1546         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1547                              battery_status, chg, 1, chg);
1548 }
1549
1550 static void wacom_intuos_gen3_bt_pad(struct wacom_wac *wacom)
1551 {
1552         struct input_dev *pad_input = wacom->pad_input;
1553         unsigned char *data = wacom->data;
1554
1555         int buttons = data[44];
1556
1557         wacom_report_numbered_buttons(pad_input, 4, buttons);
1558
1559         input_report_key(pad_input, wacom->tool[1], buttons ? 1 : 0);
1560         input_report_abs(pad_input, ABS_MISC, buttons ? PAD_DEVICE_ID : 0);
1561         input_event(pad_input, EV_MSC, MSC_SERIAL, 0xffffffff);
1562
1563         input_sync(pad_input);
1564 }
1565
1566 static void wacom_intuos_gen3_bt_battery(struct wacom_wac *wacom)
1567 {
1568         unsigned char *data = wacom->data;
1569
1570         bool chg = data[45] & 0x80;
1571         int battery_status = data[45] & 0x7F;
1572
1573         wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
1574                              battery_status, chg, 1, chg);
1575 }
1576
1577 static int wacom_intuos_pro2_bt_irq(struct wacom_wac *wacom, size_t len)
1578 {
1579         unsigned char *data = wacom->data;
1580
1581         if (data[0] != 0x80 && data[0] != 0x81) {
1582                 dev_dbg(wacom->pen_input->dev.parent,
1583                         "%s: received unknown report #%d\n", __func__, data[0]);
1584                 return 0;
1585         }
1586
1587         wacom_intuos_pro2_bt_pen(wacom);
1588         if (wacom->features.type == INTUOSP2_BT ||
1589             wacom->features.type == INTUOSP2S_BT) {
1590                 wacom_intuos_pro2_bt_touch(wacom);
1591                 wacom_intuos_pro2_bt_pad(wacom);
1592                 wacom_intuos_pro2_bt_battery(wacom);
1593         } else {
1594                 wacom_intuos_gen3_bt_pad(wacom);
1595                 wacom_intuos_gen3_bt_battery(wacom);
1596         }
1597         return 0;
1598 }
1599
1600 static int wacom_24hdt_irq(struct wacom_wac *wacom)
1601 {
1602         struct input_dev *input = wacom->touch_input;
1603         unsigned char *data = wacom->data;
1604         int i;
1605         int current_num_contacts = data[61];
1606         int contacts_to_send = 0;
1607         int num_contacts_left = 4; /* maximum contacts per packet */
1608         int byte_per_packet = WACOM_BYTES_PER_24HDT_PACKET;
1609         int y_offset = 2;
1610
1611         if (touch_is_muted(wacom) && !wacom->shared->touch_down)
1612                 return 0;
1613
1614         if (wacom->features.type == WACOM_27QHDT) {
1615                 current_num_contacts = data[63];
1616                 num_contacts_left = 10;
1617                 byte_per_packet = WACOM_BYTES_PER_QHDTHID_PACKET;
1618                 y_offset = 0;
1619         }
1620
1621         /*
1622          * First packet resets the counter since only the first
1623          * packet in series will have non-zero current_num_contacts.
1624          */
1625         if (current_num_contacts)
1626                 wacom->num_contacts_left = current_num_contacts;
1627
1628         contacts_to_send = min(num_contacts_left, wacom->num_contacts_left);
1629
1630         for (i = 0; i < contacts_to_send; i++) {
1631                 int offset = (byte_per_packet * i) + 1;
1632                 bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1633                 int slot = input_mt_get_slot_by_key(input, data[offset + 1]);
1634
1635                 if (slot < 0)
1636                         continue;
1637                 input_mt_slot(input, slot);
1638                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1639
1640                 if (touch) {
1641                         int t_x = get_unaligned_le16(&data[offset + 2]);
1642                         int t_y = get_unaligned_le16(&data[offset + 4 + y_offset]);
1643
1644                         input_report_abs(input, ABS_MT_POSITION_X, t_x);
1645                         input_report_abs(input, ABS_MT_POSITION_Y, t_y);
1646
1647                         if (wacom->features.type != WACOM_27QHDT) {
1648                                 int c_x = get_unaligned_le16(&data[offset + 4]);
1649                                 int c_y = get_unaligned_le16(&data[offset + 8]);
1650                                 int w = get_unaligned_le16(&data[offset + 10]);
1651                                 int h = get_unaligned_le16(&data[offset + 12]);
1652
1653                                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
1654                                 input_report_abs(input, ABS_MT_WIDTH_MAJOR,
1655                                                  min(w, h) + int_dist(t_x, t_y, c_x, c_y));
1656                                 input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
1657                                 input_report_abs(input, ABS_MT_ORIENTATION, w > h);
1658                         }
1659                 }
1660         }
1661         input_mt_sync_frame(input);
1662
1663         wacom->num_contacts_left -= contacts_to_send;
1664         if (wacom->num_contacts_left <= 0) {
1665                 wacom->num_contacts_left = 0;
1666                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1667         }
1668         return 1;
1669 }
1670
1671 static int wacom_mt_touch(struct wacom_wac *wacom)
1672 {
1673         struct input_dev *input = wacom->touch_input;
1674         unsigned char *data = wacom->data;
1675         int i;
1676         int current_num_contacts = data[2];
1677         int contacts_to_send = 0;
1678         int x_offset = 0;
1679
1680         /* MTTPC does not support Height and Width */
1681         if (wacom->features.type == MTTPC || wacom->features.type == MTTPC_B)
1682                 x_offset = -4;
1683
1684         /*
1685          * First packet resets the counter since only the first
1686          * packet in series will have non-zero current_num_contacts.
1687          */
1688         if (current_num_contacts)
1689                 wacom->num_contacts_left = current_num_contacts;
1690
1691         /* There are at most 5 contacts per packet */
1692         contacts_to_send = min(5, wacom->num_contacts_left);
1693
1694         for (i = 0; i < contacts_to_send; i++) {
1695                 int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
1696                 bool touch = (data[offset] & 0x1) && report_touch_events(wacom);
1697                 int id = get_unaligned_le16(&data[offset + 1]);
1698                 int slot = input_mt_get_slot_by_key(input, id);
1699
1700                 if (slot < 0)
1701                         continue;
1702
1703                 input_mt_slot(input, slot);
1704                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1705                 if (touch) {
1706                         int x = get_unaligned_le16(&data[offset + x_offset + 7]);
1707                         int y = get_unaligned_le16(&data[offset + x_offset + 9]);
1708                         input_report_abs(input, ABS_MT_POSITION_X, x);
1709                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1710                 }
1711         }
1712         input_mt_sync_frame(input);
1713
1714         wacom->num_contacts_left -= contacts_to_send;
1715         if (wacom->num_contacts_left <= 0) {
1716                 wacom->num_contacts_left = 0;
1717                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1718         }
1719         return 1;
1720 }
1721
1722 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
1723 {
1724         struct input_dev *input = wacom->touch_input;
1725         unsigned char *data = wacom->data;
1726         int i;
1727
1728         for (i = 0; i < 2; i++) {
1729                 int p = data[1] & (1 << i);
1730                 bool touch = p && report_touch_events(wacom);
1731
1732                 input_mt_slot(input, i);
1733                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1734                 if (touch) {
1735                         int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
1736                         int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
1737
1738                         input_report_abs(input, ABS_MT_POSITION_X, x);
1739                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1740                 }
1741         }
1742         input_mt_sync_frame(input);
1743
1744         /* keep touch state for pen event */
1745         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
1746
1747         return 1;
1748 }
1749
1750 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
1751 {
1752         unsigned char *data = wacom->data;
1753         struct input_dev *input = wacom->touch_input;
1754         bool prox = report_touch_events(wacom);
1755         int x = 0, y = 0;
1756
1757         if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
1758                 return 0;
1759
1760         if (len == WACOM_PKGLEN_TPC1FG) {
1761                 prox = prox && (data[0] & 0x01);
1762                 x = get_unaligned_le16(&data[1]);
1763                 y = get_unaligned_le16(&data[3]);
1764         } else if (len == WACOM_PKGLEN_TPC1FG_B) {
1765                 prox = prox && (data[2] & 0x01);
1766                 x = get_unaligned_le16(&data[3]);
1767                 y = get_unaligned_le16(&data[5]);
1768         } else {
1769                 prox = prox && (data[1] & 0x01);
1770                 x = le16_to_cpup((__le16 *)&data[2]);
1771                 y = le16_to_cpup((__le16 *)&data[4]);
1772         }
1773
1774         if (prox) {
1775                 input_report_abs(input, ABS_X, x);
1776                 input_report_abs(input, ABS_Y, y);
1777         }
1778         input_report_key(input, BTN_TOUCH, prox);
1779
1780         /* keep touch state for pen events */
1781         wacom->shared->touch_down = prox;
1782
1783         return 1;
1784 }
1785
1786 static int wacom_tpc_pen(struct wacom_wac *wacom)
1787 {
1788         unsigned char *data = wacom->data;
1789         struct input_dev *input = wacom->pen_input;
1790         bool prox = data[1] & 0x20;
1791
1792         if (!wacom->shared->stylus_in_proximity) /* first in prox */
1793                 /* Going into proximity select tool */
1794                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1795
1796         /* keep pen state for touch events */
1797         wacom->shared->stylus_in_proximity = prox;
1798
1799         /* send pen events only when touch is up or forced out
1800          * or touch arbitration is off
1801          */
1802         if (!delay_pen_events(wacom)) {
1803                 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1804                 input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1805                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1806                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1807                 input_report_abs(input, ABS_PRESSURE, ((data[7] & 0x07) << 8) | data[6]);
1808                 input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1809                 input_report_key(input, wacom->tool[0], prox);
1810                 return 1;
1811         }
1812
1813         return 0;
1814 }
1815
1816 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1817 {
1818         unsigned char *data = wacom->data;
1819
1820         if (wacom->pen_input) {
1821                 dev_dbg(wacom->pen_input->dev.parent,
1822                         "%s: received report #%d\n", __func__, data[0]);
1823
1824                 if (len == WACOM_PKGLEN_PENABLED ||
1825                     data[0] == WACOM_REPORT_PENABLED)
1826                         return wacom_tpc_pen(wacom);
1827         }
1828         else if (wacom->touch_input) {
1829                 dev_dbg(wacom->touch_input->dev.parent,
1830                         "%s: received report #%d\n", __func__, data[0]);
1831
1832                 switch (len) {
1833                 case WACOM_PKGLEN_TPC1FG:
1834                         return wacom_tpc_single_touch(wacom, len);
1835
1836                 case WACOM_PKGLEN_TPC2FG:
1837                         return wacom_tpc_mt_touch(wacom);
1838
1839                 default:
1840                         switch (data[0]) {
1841                         case WACOM_REPORT_TPC1FG:
1842                         case WACOM_REPORT_TPCHID:
1843                         case WACOM_REPORT_TPCST:
1844                         case WACOM_REPORT_TPC1FGE:
1845                                 return wacom_tpc_single_touch(wacom, len);
1846
1847                         case WACOM_REPORT_TPCMT:
1848                         case WACOM_REPORT_TPCMT2:
1849                                 return wacom_mt_touch(wacom);
1850
1851                         }
1852                 }
1853         }
1854
1855         return 0;
1856 }
1857
1858 static int wacom_offset_rotation(struct input_dev *input, struct hid_usage *usage,
1859                                  int value, int num, int denom)
1860 {
1861         struct input_absinfo *abs = &input->absinfo[usage->code];
1862         int range = (abs->maximum - abs->minimum + 1);
1863
1864         value += num*range/denom;
1865         if (value > abs->maximum)
1866                 value -= range;
1867         else if (value < abs->minimum)
1868                 value += range;
1869         return value;
1870 }
1871
1872 int wacom_equivalent_usage(int usage)
1873 {
1874         if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMDIGITIZER) {
1875                 int subpage = (usage & 0xFF00) << 8;
1876                 int subusage = (usage & 0xFF);
1877
1878                 if (subpage == WACOM_HID_SP_PAD ||
1879                     subpage == WACOM_HID_SP_BUTTON ||
1880                     subpage == WACOM_HID_SP_DIGITIZER ||
1881                     subpage == WACOM_HID_SP_DIGITIZERINFO ||
1882                     usage == WACOM_HID_WD_SENSE ||
1883                     usage == WACOM_HID_WD_SERIALHI ||
1884                     usage == WACOM_HID_WD_TOOLTYPE ||
1885                     usage == WACOM_HID_WD_DISTANCE ||
1886                     usage == WACOM_HID_WD_TOUCHSTRIP ||
1887                     usage == WACOM_HID_WD_TOUCHSTRIP2 ||
1888                     usage == WACOM_HID_WD_TOUCHRING ||
1889                     usage == WACOM_HID_WD_TOUCHRINGSTATUS ||
1890                     usage == WACOM_HID_WD_REPORT_VALID ||
1891                     usage == WACOM_HID_WD_BARRELSWITCH3 ||
1892                     usage == WACOM_HID_WD_SEQUENCENUMBER) {
1893                         return usage;
1894                 }
1895
1896                 if (subpage == HID_UP_UNDEFINED)
1897                         subpage = HID_UP_DIGITIZER;
1898
1899                 return subpage | subusage;
1900         }
1901
1902         if ((usage & HID_USAGE_PAGE) == WACOM_HID_UP_WACOMTOUCH) {
1903                 int subpage = (usage & 0xFF00) << 8;
1904                 int subusage = (usage & 0xFF);
1905
1906                 if (usage == WACOM_HID_WT_REPORT_VALID)
1907                         return usage;
1908
1909                 if (subpage == HID_UP_UNDEFINED)
1910                         subpage = WACOM_HID_SP_DIGITIZER;
1911
1912                 return subpage | subusage;
1913         }
1914
1915         return usage;
1916 }
1917
1918 static void wacom_map_usage(struct input_dev *input, struct hid_usage *usage,
1919                 struct hid_field *field, __u8 type, __u16 code, int fuzz)
1920 {
1921         struct wacom *wacom = input_get_drvdata(input);
1922         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1923         struct wacom_features *features = &wacom_wac->features;
1924         int fmin = field->logical_minimum;
1925         int fmax = field->logical_maximum;
1926         unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid);
1927         int resolution_code = code;
1928         int resolution = hidinput_calc_abs_res(field, resolution_code);
1929
1930         if (equivalent_usage == HID_DG_TWIST) {
1931                 resolution_code = ABS_RZ;
1932         }
1933
1934         if (equivalent_usage == HID_GD_X) {
1935                 fmin += features->offset_left;
1936                 fmax -= features->offset_right;
1937         }
1938         if (equivalent_usage == HID_GD_Y) {
1939                 fmin += features->offset_top;
1940                 fmax -= features->offset_bottom;
1941         }
1942
1943         usage->type = type;
1944         usage->code = code;
1945
1946         switch (type) {
1947         case EV_ABS:
1948                 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
1949
1950                 /* older tablet may miss physical usage */
1951                 if ((code == ABS_X || code == ABS_Y) && !resolution) {
1952                         resolution = WACOM_INTUOS_RES;
1953                         hid_warn(input,
1954                                  "Wacom usage (%d) missing resolution \n",
1955                                  code);
1956                 }
1957                 input_abs_set_res(input, code, resolution);
1958                 break;
1959         case EV_KEY:
1960         case EV_MSC:
1961         case EV_SW:
1962                 input_set_capability(input, type, code);
1963                 break;
1964         }
1965 }
1966
1967 static void wacom_wac_battery_usage_mapping(struct hid_device *hdev,
1968                 struct hid_field *field, struct hid_usage *usage)
1969 {
1970         return;
1971 }
1972
1973 static void wacom_wac_battery_event(struct hid_device *hdev, struct hid_field *field,
1974                 struct hid_usage *usage, __s32 value)
1975 {
1976         struct wacom *wacom = hid_get_drvdata(hdev);
1977         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
1978         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
1979
1980         switch (equivalent_usage) {
1981         case HID_DG_BATTERYSTRENGTH:
1982                 if (value == 0) {
1983                         wacom_wac->hid_data.bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
1984                 }
1985                 else {
1986                         value = value * 100 / (field->logical_maximum - field->logical_minimum);
1987                         wacom_wac->hid_data.battery_capacity = value;
1988                         wacom_wac->hid_data.bat_connected = 1;
1989                         wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1990                 }
1991                 wacom_wac->features.quirks |= WACOM_QUIRK_BATTERY;
1992                 break;
1993         case WACOM_HID_WD_BATTERY_LEVEL:
1994                 value = value * 100 / (field->logical_maximum - field->logical_minimum);
1995                 wacom_wac->hid_data.battery_capacity = value;
1996                 wacom_wac->hid_data.bat_connected = 1;
1997                 wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
1998                 wacom_wac->features.quirks |= WACOM_QUIRK_BATTERY;
1999                 break;
2000         case WACOM_HID_WD_BATTERY_CHARGING:
2001                 wacom_wac->hid_data.bat_charging = value;
2002                 wacom_wac->hid_data.ps_connected = value;
2003                 wacom_wac->hid_data.bat_connected = 1;
2004                 wacom_wac->hid_data.bat_status = WACOM_POWER_SUPPLY_STATUS_AUTO;
2005                 wacom_wac->features.quirks |= WACOM_QUIRK_BATTERY;
2006                 break;
2007         }
2008 }
2009
2010 static void wacom_wac_battery_pre_report(struct hid_device *hdev,
2011                 struct hid_report *report)
2012 {
2013         return;
2014 }
2015
2016 static void wacom_wac_battery_report(struct hid_device *hdev,
2017                 struct hid_report *report)
2018 {
2019         struct wacom *wacom = hid_get_drvdata(hdev);
2020         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2021
2022         int status = wacom_wac->hid_data.bat_status;
2023         int capacity = wacom_wac->hid_data.battery_capacity;
2024         bool charging = wacom_wac->hid_data.bat_charging;
2025         bool connected = wacom_wac->hid_data.bat_connected;
2026         bool powered = wacom_wac->hid_data.ps_connected;
2027
2028         wacom_notify_battery(wacom_wac, status, capacity, charging,
2029                              connected, powered);
2030 }
2031
2032 static void wacom_wac_pad_usage_mapping(struct hid_device *hdev,
2033                 struct hid_field *field, struct hid_usage *usage)
2034 {
2035         struct wacom *wacom = hid_get_drvdata(hdev);
2036         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2037         struct wacom_features *features = &wacom_wac->features;
2038         struct input_dev *input = wacom_wac->pad_input;
2039         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2040
2041         switch (equivalent_usage) {
2042         case WACOM_HID_WD_ACCELEROMETER_X:
2043                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
2044                 wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 0);
2045                 features->device_type |= WACOM_DEVICETYPE_PAD;
2046                 break;
2047         case WACOM_HID_WD_ACCELEROMETER_Y:
2048                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
2049                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 0);
2050                 features->device_type |= WACOM_DEVICETYPE_PAD;
2051                 break;
2052         case WACOM_HID_WD_ACCELEROMETER_Z:
2053                 __set_bit(INPUT_PROP_ACCELEROMETER, input->propbit);
2054                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2055                 features->device_type |= WACOM_DEVICETYPE_PAD;
2056                 break;
2057         case WACOM_HID_WD_BUTTONCENTER:
2058         case WACOM_HID_WD_BUTTONHOME:
2059         case WACOM_HID_WD_BUTTONUP:
2060         case WACOM_HID_WD_BUTTONDOWN:
2061         case WACOM_HID_WD_BUTTONLEFT:
2062         case WACOM_HID_WD_BUTTONRIGHT:
2063                 wacom_map_usage(input, usage, field, EV_KEY,
2064                                 wacom_numbered_button_to_key(features->numbered_buttons),
2065                                 0);
2066                 features->numbered_buttons++;
2067                 features->device_type |= WACOM_DEVICETYPE_PAD;
2068                 break;
2069         case WACOM_HID_WD_MUTE_DEVICE:
2070                 /* softkey touch switch */
2071                 wacom_wac->is_soft_touch_switch = true;
2072                 fallthrough;
2073         case WACOM_HID_WD_TOUCHONOFF:
2074                 /*
2075                  * These two usages, which are used to mute touch events, come
2076                  * from the pad packet, but are reported on the touch
2077                  * interface. Because the touch interface may not have
2078                  * been created yet, we cannot call wacom_map_usage(). In
2079                  * order to process the usages when we receive them, we set
2080                  * the usage type and code directly.
2081                  */
2082                 wacom_wac->has_mute_touch_switch = true;
2083                 usage->type = EV_SW;
2084                 usage->code = SW_MUTE_DEVICE;
2085                 break;
2086         case WACOM_HID_WD_TOUCHSTRIP:
2087                 wacom_map_usage(input, usage, field, EV_ABS, ABS_RX, 0);
2088                 features->device_type |= WACOM_DEVICETYPE_PAD;
2089                 break;
2090         case WACOM_HID_WD_TOUCHSTRIP2:
2091                 wacom_map_usage(input, usage, field, EV_ABS, ABS_RY, 0);
2092                 features->device_type |= WACOM_DEVICETYPE_PAD;
2093                 break;
2094         case WACOM_HID_WD_TOUCHRING:
2095                 wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2096                 features->device_type |= WACOM_DEVICETYPE_PAD;
2097                 break;
2098         case WACOM_HID_WD_TOUCHRINGSTATUS:
2099                 /*
2100                  * Only set up type/code association. Completely mapping
2101                  * this usage may overwrite the axis resolution and range.
2102                  */
2103                 usage->type = EV_ABS;
2104                 usage->code = ABS_WHEEL;
2105                 set_bit(EV_ABS, input->evbit);
2106                 features->device_type |= WACOM_DEVICETYPE_PAD;
2107                 break;
2108         case WACOM_HID_WD_BUTTONCONFIG:
2109                 wacom_map_usage(input, usage, field, EV_KEY, KEY_BUTTONCONFIG, 0);
2110                 features->device_type |= WACOM_DEVICETYPE_PAD;
2111                 break;
2112         case WACOM_HID_WD_ONSCREEN_KEYBOARD:
2113                 wacom_map_usage(input, usage, field, EV_KEY, KEY_ONSCREEN_KEYBOARD, 0);
2114                 features->device_type |= WACOM_DEVICETYPE_PAD;
2115                 break;
2116         case WACOM_HID_WD_CONTROLPANEL:
2117                 wacom_map_usage(input, usage, field, EV_KEY, KEY_CONTROLPANEL, 0);
2118                 features->device_type |= WACOM_DEVICETYPE_PAD;
2119                 break;
2120         case WACOM_HID_WD_MODE_CHANGE:
2121                 /* do not overwrite previous data */
2122                 if (!wacom_wac->has_mode_change) {
2123                         wacom_wac->has_mode_change = true;
2124                         wacom_wac->is_direct_mode = true;
2125                 }
2126                 features->device_type |= WACOM_DEVICETYPE_PAD;
2127                 break;
2128         }
2129
2130         switch (equivalent_usage & 0xfffffff0) {
2131         case WACOM_HID_WD_EXPRESSKEY00:
2132                 wacom_map_usage(input, usage, field, EV_KEY,
2133                                 wacom_numbered_button_to_key(features->numbered_buttons),
2134                                 0);
2135                 features->numbered_buttons++;
2136                 features->device_type |= WACOM_DEVICETYPE_PAD;
2137                 break;
2138         }
2139 }
2140
2141 static void wacom_wac_pad_event(struct hid_device *hdev, struct hid_field *field,
2142                 struct hid_usage *usage, __s32 value)
2143 {
2144         struct wacom *wacom = hid_get_drvdata(hdev);
2145         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2146         struct input_dev *input = wacom_wac->pad_input;
2147         struct wacom_features *features = &wacom_wac->features;
2148         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2149         int i;
2150         bool do_report = false;
2151
2152         /*
2153          * Avoid reporting this event and setting inrange_state if this usage
2154          * hasn't been mapped.
2155          */
2156         if (!usage->type && equivalent_usage != WACOM_HID_WD_MODE_CHANGE)
2157                 return;
2158
2159         if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY) {
2160                 if (usage->hid != WACOM_HID_WD_TOUCHRING)
2161                         wacom_wac->hid_data.inrange_state |= value;
2162         }
2163
2164         /* Process touch switch state first since it is reported through touch interface,
2165          * which is indepentent of pad interface. In the case when there are no other pad
2166          * events, the pad interface will not even be created.
2167          */
2168         if ((equivalent_usage == WACOM_HID_WD_MUTE_DEVICE) ||
2169            (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)) {
2170                 if (wacom_wac->shared->touch_input) {
2171                         bool *is_touch_on = &wacom_wac->shared->is_touch_on;
2172
2173                         if (equivalent_usage == WACOM_HID_WD_MUTE_DEVICE && value)
2174                                 *is_touch_on = !(*is_touch_on);
2175                         else if (equivalent_usage == WACOM_HID_WD_TOUCHONOFF)
2176                                 *is_touch_on = value;
2177
2178                         input_report_switch(wacom_wac->shared->touch_input,
2179                                             SW_MUTE_DEVICE, !(*is_touch_on));
2180                         input_sync(wacom_wac->shared->touch_input);
2181                 }
2182                 return;
2183         }
2184
2185         if (!input)
2186                 return;
2187
2188         switch (equivalent_usage) {
2189         case WACOM_HID_WD_TOUCHRING:
2190                 /*
2191                  * Userspace expects touchrings to increase in value with
2192                  * clockwise gestures and have their zero point at the
2193                  * tablet's left. HID events "should" be clockwise-
2194                  * increasing and zero at top, though the MobileStudio
2195                  * Pro and 2nd-gen Intuos Pro don't do this...
2196                  */
2197                 if (hdev->vendor == 0x56a &&
2198                     (hdev->product == 0x34d || hdev->product == 0x34e ||  /* MobileStudio Pro */
2199                      hdev->product == 0x357 || hdev->product == 0x358 ||  /* Intuos Pro 2 */
2200                      hdev->product == 0x392 ||                            /* Intuos Pro 2 */
2201                      hdev->product == 0x398 || hdev->product == 0x399 ||  /* MobileStudio Pro */
2202                      hdev->product == 0x3AA)) {                           /* MobileStudio Pro */
2203                         value = (field->logical_maximum - value);
2204
2205                         if (hdev->product == 0x357 || hdev->product == 0x358 ||
2206                             hdev->product == 0x392)
2207                                 value = wacom_offset_rotation(input, usage, value, 3, 16);
2208                         else if (hdev->product == 0x34d || hdev->product == 0x34e ||
2209                                  hdev->product == 0x398 || hdev->product == 0x399 ||
2210                                  hdev->product == 0x3AA)
2211                                 value = wacom_offset_rotation(input, usage, value, 1, 2);
2212                 }
2213                 else {
2214                         value = wacom_offset_rotation(input, usage, value, 1, 4);
2215                 }
2216                 do_report = true;
2217                 break;
2218         case WACOM_HID_WD_TOUCHRINGSTATUS:
2219                 if (!value)
2220                         input_event(input, usage->type, usage->code, 0);
2221                 break;
2222
2223         case WACOM_HID_WD_MODE_CHANGE:
2224                 if (wacom_wac->is_direct_mode != value) {
2225                         wacom_wac->is_direct_mode = value;
2226                         wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_MODE_CHANGE);
2227                 }
2228                 break;
2229
2230         case WACOM_HID_WD_BUTTONCENTER:
2231                 for (i = 0; i < wacom->led.count; i++)
2232                         wacom_update_led(wacom, features->numbered_buttons,
2233                                          value, i);
2234                 fallthrough;
2235         default:
2236                 do_report = true;
2237                 break;
2238         }
2239
2240         if (do_report) {
2241                 input_event(input, usage->type, usage->code, value);
2242                 if (value)
2243                         wacom_wac->hid_data.pad_input_event_flag = true;
2244         }
2245 }
2246
2247 static void wacom_wac_pad_pre_report(struct hid_device *hdev,
2248                 struct hid_report *report)
2249 {
2250         struct wacom *wacom = hid_get_drvdata(hdev);
2251         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2252
2253         wacom_wac->hid_data.inrange_state = 0;
2254 }
2255
2256 static void wacom_wac_pad_report(struct hid_device *hdev,
2257                 struct hid_report *report, struct hid_field *field)
2258 {
2259         struct wacom *wacom = hid_get_drvdata(hdev);
2260         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2261         struct input_dev *input = wacom_wac->pad_input;
2262         bool active = wacom_wac->hid_data.inrange_state != 0;
2263
2264         /* report prox for expresskey events */
2265         if (wacom_wac->hid_data.pad_input_event_flag) {
2266                 input_event(input, EV_ABS, ABS_MISC, active ? PAD_DEVICE_ID : 0);
2267                 input_sync(input);
2268                 if (!active)
2269                         wacom_wac->hid_data.pad_input_event_flag = false;
2270         }
2271 }
2272
2273 static void wacom_set_barrel_switch3_usage(struct wacom_wac *wacom_wac)
2274 {
2275         struct input_dev *input = wacom_wac->pen_input;
2276         struct wacom_features *features = &wacom_wac->features;
2277
2278         if (!(features->quirks & WACOM_QUIRK_AESPEN) &&
2279             wacom_wac->hid_data.barrelswitch &&
2280             wacom_wac->hid_data.barrelswitch2 &&
2281             wacom_wac->hid_data.serialhi &&
2282             !wacom_wac->hid_data.barrelswitch3) {
2283                 input_set_capability(input, EV_KEY, BTN_STYLUS3);
2284                 features->quirks |= WACOM_QUIRK_PEN_BUTTON3;
2285         }
2286 }
2287
2288 static void wacom_wac_pen_usage_mapping(struct hid_device *hdev,
2289                 struct hid_field *field, struct hid_usage *usage)
2290 {
2291         struct wacom *wacom = hid_get_drvdata(hdev);
2292         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2293         struct wacom_features *features = &wacom_wac->features;
2294         struct input_dev *input = wacom_wac->pen_input;
2295         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2296
2297         switch (equivalent_usage) {
2298         case HID_GD_X:
2299                 wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2300                 break;
2301         case HID_GD_Y:
2302                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2303                 break;
2304         case WACOM_HID_WD_DISTANCE:
2305         case HID_GD_Z:
2306                 wacom_map_usage(input, usage, field, EV_ABS, ABS_DISTANCE, 0);
2307                 break;
2308         case HID_DG_TIPPRESSURE:
2309                 wacom_map_usage(input, usage, field, EV_ABS, ABS_PRESSURE, 0);
2310                 break;
2311         case HID_DG_INRANGE:
2312                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2313                 break;
2314         case HID_DG_INVERT:
2315                 wacom_map_usage(input, usage, field, EV_KEY,
2316                                 BTN_TOOL_RUBBER, 0);
2317                 break;
2318         case HID_DG_TILT_X:
2319                 wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_X, 0);
2320                 break;
2321         case HID_DG_TILT_Y:
2322                 wacom_map_usage(input, usage, field, EV_ABS, ABS_TILT_Y, 0);
2323                 break;
2324         case HID_DG_TWIST:
2325                 wacom_map_usage(input, usage, field, EV_ABS, ABS_Z, 0);
2326                 break;
2327         case HID_DG_ERASER:
2328                 input_set_capability(input, EV_KEY, BTN_TOOL_RUBBER);
2329                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2330                 break;
2331         case HID_DG_TIPSWITCH:
2332                 input_set_capability(input, EV_KEY, BTN_TOOL_PEN);
2333                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2334                 break;
2335         case HID_DG_BARRELSWITCH:
2336                 wacom_wac->hid_data.barrelswitch = true;
2337                 wacom_set_barrel_switch3_usage(wacom_wac);
2338                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS, 0);
2339                 break;
2340         case HID_DG_BARRELSWITCH2:
2341                 wacom_wac->hid_data.barrelswitch2 = true;
2342                 wacom_set_barrel_switch3_usage(wacom_wac);
2343                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS2, 0);
2344                 break;
2345         case HID_DG_TOOLSERIALNUMBER:
2346                 features->quirks |= WACOM_QUIRK_TOOLSERIAL;
2347                 wacom_map_usage(input, usage, field, EV_MSC, MSC_SERIAL, 0);
2348                 break;
2349         case HID_DG_SCANTIME:
2350                 wacom_map_usage(input, usage, field, EV_MSC, MSC_TIMESTAMP, 0);
2351                 break;
2352         case WACOM_HID_WD_SENSE:
2353                 features->quirks |= WACOM_QUIRK_SENSE;
2354                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOOL_PEN, 0);
2355                 break;
2356         case WACOM_HID_WD_SERIALHI:
2357                 wacom_wac->hid_data.serialhi = true;
2358                 wacom_set_barrel_switch3_usage(wacom_wac);
2359                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MISC, 0);
2360                 break;
2361         case WACOM_HID_WD_FINGERWHEEL:
2362                 input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH);
2363                 wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0);
2364                 break;
2365         case WACOM_HID_WD_BARRELSWITCH3:
2366                 wacom_wac->hid_data.barrelswitch3 = true;
2367                 wacom_map_usage(input, usage, field, EV_KEY, BTN_STYLUS3, 0);
2368                 features->quirks &= ~WACOM_QUIRK_PEN_BUTTON3;
2369                 break;
2370         }
2371 }
2372
2373 static void wacom_wac_pen_event(struct hid_device *hdev, struct hid_field *field,
2374                 struct hid_usage *usage, __s32 value)
2375 {
2376         struct wacom *wacom = hid_get_drvdata(hdev);
2377         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2378         struct wacom_features *features = &wacom_wac->features;
2379         struct input_dev *input = wacom_wac->pen_input;
2380         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2381
2382         if (wacom_wac->is_invalid_bt_frame)
2383                 return;
2384
2385         switch (equivalent_usage) {
2386         case HID_GD_Z:
2387                 /*
2388                  * HID_GD_Z "should increase as the control's position is
2389                  * moved from high to low", while ABS_DISTANCE instead
2390                  * increases in value as the tool moves from low to high.
2391                  */
2392                 value = field->logical_maximum - value;
2393                 break;
2394         case HID_DG_INRANGE:
2395                 mod_timer(&wacom->idleprox_timer, jiffies + msecs_to_jiffies(100));
2396                 wacom_wac->hid_data.inrange_state = value;
2397                 if (!(features->quirks & WACOM_QUIRK_SENSE))
2398                         wacom_wac->hid_data.sense_state = value;
2399                 return;
2400         case HID_DG_INVERT:
2401                 wacom_wac->hid_data.invert_state = value;
2402                 return;
2403         case HID_DG_ERASER:
2404         case HID_DG_TIPSWITCH:
2405                 wacom_wac->hid_data.tipswitch |= value;
2406                 return;
2407         case HID_DG_BARRELSWITCH:
2408                 wacom_wac->hid_data.barrelswitch = value;
2409                 return;
2410         case HID_DG_BARRELSWITCH2:
2411                 wacom_wac->hid_data.barrelswitch2 = value;
2412                 return;
2413         case HID_DG_TOOLSERIALNUMBER:
2414                 if (value) {
2415                         wacom_wac->serial[0] = (wacom_wac->serial[0] & ~0xFFFFFFFFULL);
2416                         wacom_wac->serial[0] |= wacom_s32tou(value, field->report_size);
2417                 }
2418                 return;
2419         case HID_DG_TWIST:
2420                 /* don't modify the value if the pen doesn't support the feature */
2421                 if (!wacom_is_art_pen(wacom_wac->id[0])) return;
2422
2423                 /*
2424                  * Userspace expects pen twist to have its zero point when
2425                  * the buttons/finger is on the tablet's left. HID values
2426                  * are zero when buttons are toward the top.
2427                  */
2428                 value = wacom_offset_rotation(input, usage, value, 1, 4);
2429                 break;
2430         case WACOM_HID_WD_SENSE:
2431                 wacom_wac->hid_data.sense_state = value;
2432                 return;
2433         case WACOM_HID_WD_SERIALHI:
2434                 if (value) {
2435                         __u32 raw_value = wacom_s32tou(value, field->report_size);
2436
2437                         wacom_wac->serial[0] = (wacom_wac->serial[0] & 0xFFFFFFFF);
2438                         wacom_wac->serial[0] |= ((__u64)raw_value) << 32;
2439                         /*
2440                          * Non-USI EMR devices may contain additional tool type
2441                          * information here. See WACOM_HID_WD_TOOLTYPE case for
2442                          * more details.
2443                          */
2444                         if (value >> 20 == 1) {
2445                                 wacom_wac->id[0] |= raw_value & 0xFFFFF;
2446                         }
2447                 }
2448                 return;
2449         case WACOM_HID_WD_TOOLTYPE:
2450                 /*
2451                  * Some devices (MobileStudio Pro, and possibly later
2452                  * devices as well) do not return the complete tool
2453                  * type in their WACOM_HID_WD_TOOLTYPE usage. Use a
2454                  * bitwise OR so the complete value can be built
2455                  * up over time :(
2456                  */
2457                 wacom_wac->id[0] |= wacom_s32tou(value, field->report_size);
2458                 return;
2459         case WACOM_HID_WD_OFFSETLEFT:
2460                 if (features->offset_left && value != features->offset_left)
2461                         hid_warn(hdev, "%s: overriding existing left offset "
2462                                  "%d -> %d\n", __func__, value,
2463                                  features->offset_left);
2464                 features->offset_left = value;
2465                 return;
2466         case WACOM_HID_WD_OFFSETRIGHT:
2467                 if (features->offset_right && value != features->offset_right)
2468                         hid_warn(hdev, "%s: overriding existing right offset "
2469                                  "%d -> %d\n", __func__, value,
2470                                  features->offset_right);
2471                 features->offset_right = value;
2472                 return;
2473         case WACOM_HID_WD_OFFSETTOP:
2474                 if (features->offset_top && value != features->offset_top)
2475                         hid_warn(hdev, "%s: overriding existing top offset "
2476                                  "%d -> %d\n", __func__, value,
2477                                  features->offset_top);
2478                 features->offset_top = value;
2479                 return;
2480         case WACOM_HID_WD_OFFSETBOTTOM:
2481                 if (features->offset_bottom && value != features->offset_bottom)
2482                         hid_warn(hdev, "%s: overriding existing bottom offset "
2483                                  "%d -> %d\n", __func__, value,
2484                                  features->offset_bottom);
2485                 features->offset_bottom = value;
2486                 return;
2487         case WACOM_HID_WD_REPORT_VALID:
2488                 wacom_wac->is_invalid_bt_frame = !value;
2489                 return;
2490         case WACOM_HID_WD_BARRELSWITCH3:
2491                 wacom_wac->hid_data.barrelswitch3 = value;
2492                 return;
2493         case WACOM_HID_WD_SEQUENCENUMBER:
2494                 if (wacom_wac->hid_data.sequence_number != value)
2495                         hid_warn(hdev, "Dropped %hu packets", (unsigned short)(value - wacom_wac->hid_data.sequence_number));
2496                 wacom_wac->hid_data.sequence_number = value + 1;
2497                 return;
2498         }
2499
2500         /* send pen events only when touch is up or forced out
2501          * or touch arbitration is off
2502          */
2503         if (!usage->type || delay_pen_events(wacom_wac))
2504                 return;
2505
2506         /* send pen events only when the pen is in range */
2507         if (wacom_wac->hid_data.inrange_state)
2508                 input_event(input, usage->type, usage->code, value);
2509         else if (wacom_wac->shared->stylus_in_proximity && !wacom_wac->hid_data.sense_state)
2510                 input_event(input, usage->type, usage->code, 0);
2511 }
2512
2513 static void wacom_wac_pen_pre_report(struct hid_device *hdev,
2514                 struct hid_report *report)
2515 {
2516         struct wacom *wacom = hid_get_drvdata(hdev);
2517         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2518
2519         wacom_wac->is_invalid_bt_frame = false;
2520         return;
2521 }
2522
2523 static void wacom_wac_pen_report(struct hid_device *hdev,
2524                 struct hid_report *report)
2525 {
2526         struct wacom *wacom = hid_get_drvdata(hdev);
2527         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2528         struct input_dev *input = wacom_wac->pen_input;
2529         bool range = wacom_wac->hid_data.inrange_state;
2530         bool sense = wacom_wac->hid_data.sense_state;
2531
2532         if (wacom_wac->is_invalid_bt_frame)
2533                 return;
2534
2535         if (!wacom_wac->tool[0] && range) { /* first in range */
2536                 /* Going into range select tool */
2537                 if (wacom_wac->hid_data.invert_state)
2538                         wacom_wac->tool[0] = BTN_TOOL_RUBBER;
2539                 else if (wacom_wac->id[0])
2540                         wacom_wac->tool[0] = wacom_intuos_get_tool_type(wacom_wac->id[0]);
2541                 else
2542                         wacom_wac->tool[0] = BTN_TOOL_PEN;
2543         }
2544
2545         /* keep pen state for touch events */
2546         wacom_wac->shared->stylus_in_proximity = sense;
2547
2548         if (!delay_pen_events(wacom_wac) && wacom_wac->tool[0]) {
2549                 int id = wacom_wac->id[0];
2550                 if (wacom_wac->features.quirks & WACOM_QUIRK_PEN_BUTTON3) {
2551                         int sw_state = wacom_wac->hid_data.barrelswitch |
2552                                        (wacom_wac->hid_data.barrelswitch2 << 1);
2553                         wacom_wac->hid_data.barrelswitch = sw_state == 1;
2554                         wacom_wac->hid_data.barrelswitch2 = sw_state == 2;
2555                         wacom_wac->hid_data.barrelswitch3 = sw_state == 3;
2556                 }
2557                 input_report_key(input, BTN_STYLUS, wacom_wac->hid_data.barrelswitch);
2558                 input_report_key(input, BTN_STYLUS2, wacom_wac->hid_data.barrelswitch2);
2559                 input_report_key(input, BTN_STYLUS3, wacom_wac->hid_data.barrelswitch3);
2560
2561                 /*
2562                  * Non-USI EMR tools should have their IDs mangled to
2563                  * match the legacy behavior of wacom_intuos_general
2564                  */
2565                 if (wacom_wac->serial[0] >> 52 == 1)
2566                         id = wacom_intuos_id_mangle(id);
2567
2568                 /*
2569                  * To ensure compatibility with xf86-input-wacom, we should
2570                  * report the BTN_TOOL_* event prior to the ABS_MISC or
2571                  * MSC_SERIAL events.
2572                  */
2573                 input_report_key(input, BTN_TOUCH,
2574                                 wacom_wac->hid_data.tipswitch);
2575                 input_report_key(input, wacom_wac->tool[0], sense);
2576                 if (wacom_wac->serial[0]) {
2577                         input_event(input, EV_MSC, MSC_SERIAL, wacom_wac->serial[0]);
2578                         input_report_abs(input, ABS_MISC, sense ? id : 0);
2579                 }
2580
2581                 wacom_wac->hid_data.tipswitch = false;
2582
2583                 input_sync(input);
2584         }
2585
2586         if (!sense) {
2587                 wacom_wac->tool[0] = 0;
2588                 wacom_wac->id[0] = 0;
2589                 wacom_wac->serial[0] = 0;
2590         }
2591 }
2592
2593 static void wacom_wac_finger_usage_mapping(struct hid_device *hdev,
2594                 struct hid_field *field, struct hid_usage *usage)
2595 {
2596         struct wacom *wacom = hid_get_drvdata(hdev);
2597         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2598         struct input_dev *input = wacom_wac->touch_input;
2599         unsigned touch_max = wacom_wac->features.touch_max;
2600         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2601
2602         switch (equivalent_usage) {
2603         case HID_GD_X:
2604                 if (touch_max == 1)
2605                         wacom_map_usage(input, usage, field, EV_ABS, ABS_X, 4);
2606                 else
2607                         wacom_map_usage(input, usage, field, EV_ABS,
2608                                         ABS_MT_POSITION_X, 4);
2609                 break;
2610         case HID_GD_Y:
2611                 if (touch_max == 1)
2612                         wacom_map_usage(input, usage, field, EV_ABS, ABS_Y, 4);
2613                 else
2614                         wacom_map_usage(input, usage, field, EV_ABS,
2615                                         ABS_MT_POSITION_Y, 4);
2616                 break;
2617         case HID_DG_WIDTH:
2618         case HID_DG_HEIGHT:
2619                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MAJOR, 0);
2620                 wacom_map_usage(input, usage, field, EV_ABS, ABS_MT_TOUCH_MINOR, 0);
2621                 input_set_abs_params(input, ABS_MT_ORIENTATION, 0, 1, 0, 0);
2622                 break;
2623         case HID_DG_TIPSWITCH:
2624                 wacom_map_usage(input, usage, field, EV_KEY, BTN_TOUCH, 0);
2625                 break;
2626         case HID_DG_CONTACTCOUNT:
2627                 wacom_wac->hid_data.cc_report = field->report->id;
2628                 wacom_wac->hid_data.cc_index = field->index;
2629                 wacom_wac->hid_data.cc_value_index = usage->usage_index;
2630                 break;
2631         case HID_DG_CONTACTID:
2632                 if ((field->logical_maximum - field->logical_minimum) < touch_max) {
2633                         /*
2634                          * The HID descriptor for G11 sensors leaves logical
2635                          * maximum set to '1' despite it being a multitouch
2636                          * device. Override to a sensible number.
2637                          */
2638                         field->logical_maximum = 255;
2639                 }
2640                 break;
2641         case HID_DG_SCANTIME:
2642                 wacom_map_usage(input, usage, field, EV_MSC, MSC_TIMESTAMP, 0);
2643                 break;
2644         }
2645 }
2646
2647 static void wacom_wac_finger_slot(struct wacom_wac *wacom_wac,
2648                 struct input_dev *input)
2649 {
2650         struct hid_data *hid_data = &wacom_wac->hid_data;
2651         bool mt = wacom_wac->features.touch_max > 1;
2652         bool prox = hid_data->tipswitch &&
2653                     report_touch_events(wacom_wac);
2654
2655         if (touch_is_muted(wacom_wac)) {
2656                 if (!wacom_wac->shared->touch_down)
2657                         return;
2658                 prox = false;
2659         }
2660
2661         wacom_wac->hid_data.num_received++;
2662         if (wacom_wac->hid_data.num_received > wacom_wac->hid_data.num_expected)
2663                 return;
2664
2665         if (mt) {
2666                 int slot;
2667
2668                 slot = input_mt_get_slot_by_key(input, hid_data->id);
2669                 if (slot < 0) {
2670                         return;
2671                 } else {
2672                         struct input_mt_slot *ps = &input->mt->slots[slot];
2673                         int mt_id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
2674
2675                         if (!prox && mt_id < 0) {
2676                                 // No data to send for this slot; short-circuit
2677                                 return;
2678                         }
2679                 }
2680
2681                 input_mt_slot(input, slot);
2682                 input_mt_report_slot_state(input, MT_TOOL_FINGER, prox);
2683         }
2684         else {
2685                 input_report_key(input, BTN_TOUCH, prox);
2686         }
2687
2688         if (prox) {
2689                 input_report_abs(input, mt ? ABS_MT_POSITION_X : ABS_X,
2690                                  hid_data->x);
2691                 input_report_abs(input, mt ? ABS_MT_POSITION_Y : ABS_Y,
2692                                  hid_data->y);
2693
2694                 if (test_bit(ABS_MT_TOUCH_MAJOR, input->absbit)) {
2695                         input_report_abs(input, ABS_MT_TOUCH_MAJOR, max(hid_data->width, hid_data->height));
2696                         input_report_abs(input, ABS_MT_TOUCH_MINOR, min(hid_data->width, hid_data->height));
2697                         if (hid_data->width != hid_data->height)
2698                                 input_report_abs(input, ABS_MT_ORIENTATION, hid_data->width <= hid_data->height ? 0 : 1);
2699                 }
2700         }
2701 }
2702
2703 static bool wacom_wac_slot_is_active(struct input_dev *dev, int key)
2704 {
2705         struct input_mt *mt = dev->mt;
2706         struct input_mt_slot *s;
2707
2708         if (!mt)
2709                 return false;
2710
2711         for (s = mt->slots; s != mt->slots + mt->num_slots; s++) {
2712                 if (s->key == key &&
2713                         input_mt_get_value(s, ABS_MT_TRACKING_ID) >= 0) {
2714                         return true;
2715                 }
2716         }
2717
2718         return false;
2719 }
2720
2721 static void wacom_wac_finger_event(struct hid_device *hdev,
2722                 struct hid_field *field, struct hid_usage *usage, __s32 value)
2723 {
2724         struct wacom *wacom = hid_get_drvdata(hdev);
2725         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2726         unsigned equivalent_usage = wacom_equivalent_usage(usage->hid);
2727         struct wacom_features *features = &wacom->wacom_wac.features;
2728
2729         if (touch_is_muted(wacom_wac) && !wacom_wac->shared->touch_down)
2730                 return;
2731
2732         if (wacom_wac->is_invalid_bt_frame)
2733                 return;
2734
2735         switch (equivalent_usage) {
2736         case HID_DG_CONFIDENCE:
2737                 wacom_wac->hid_data.confidence = value;
2738                 break;
2739         case HID_GD_X:
2740                 wacom_wac->hid_data.x = value;
2741                 break;
2742         case HID_GD_Y:
2743                 wacom_wac->hid_data.y = value;
2744                 break;
2745         case HID_DG_WIDTH:
2746                 wacom_wac->hid_data.width = value;
2747                 break;
2748         case HID_DG_HEIGHT:
2749                 wacom_wac->hid_data.height = value;
2750                 break;
2751         case HID_DG_CONTACTID:
2752                 wacom_wac->hid_data.id = value;
2753                 break;
2754         case HID_DG_TIPSWITCH:
2755                 wacom_wac->hid_data.tipswitch = value;
2756                 break;
2757         case WACOM_HID_WT_REPORT_VALID:
2758                 wacom_wac->is_invalid_bt_frame = !value;
2759                 return;
2760         case HID_DG_CONTACTMAX:
2761                 if (!features->touch_max) {
2762                         features->touch_max = value;
2763                 } else {
2764                         hid_warn(hdev, "%s: ignoring attempt to overwrite non-zero touch_max "
2765                                  "%d -> %d\n", __func__, features->touch_max, value);
2766                 }
2767                 return;
2768         }
2769
2770         if (usage->usage_index + 1 == field->report_count) {
2771                 if (equivalent_usage == wacom_wac->hid_data.last_slot_field) {
2772                         bool touch_removed = wacom_wac_slot_is_active(wacom_wac->touch_input,
2773                                 wacom_wac->hid_data.id) && !wacom_wac->hid_data.tipswitch;
2774
2775                         if (wacom_wac->hid_data.confidence || touch_removed) {
2776                                 wacom_wac_finger_slot(wacom_wac, wacom_wac->touch_input);
2777                         }
2778                 }
2779         }
2780 }
2781
2782 static void wacom_wac_finger_pre_report(struct hid_device *hdev,
2783                 struct hid_report *report)
2784 {
2785         struct wacom *wacom = hid_get_drvdata(hdev);
2786         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2787         struct hid_data* hid_data = &wacom_wac->hid_data;
2788         int i;
2789
2790         if (touch_is_muted(wacom_wac) && !wacom_wac->shared->touch_down)
2791                 return;
2792
2793         wacom_wac->is_invalid_bt_frame = false;
2794
2795         hid_data->confidence = true;
2796
2797         hid_data->cc_report = 0;
2798         hid_data->cc_index = -1;
2799         hid_data->cc_value_index = -1;
2800
2801         for (i = 0; i < report->maxfield; i++) {
2802                 struct hid_field *field = report->field[i];
2803                 int j;
2804
2805                 for (j = 0; j < field->maxusage; j++) {
2806                         struct hid_usage *usage = &field->usage[j];
2807                         unsigned int equivalent_usage =
2808                                 wacom_equivalent_usage(usage->hid);
2809
2810                         switch (equivalent_usage) {
2811                         case HID_GD_X:
2812                         case HID_GD_Y:
2813                         case HID_DG_WIDTH:
2814                         case HID_DG_HEIGHT:
2815                         case HID_DG_CONTACTID:
2816                         case HID_DG_INRANGE:
2817                         case HID_DG_INVERT:
2818                         case HID_DG_TIPSWITCH:
2819                                 hid_data->last_slot_field = equivalent_usage;
2820                                 break;
2821                         case HID_DG_CONTACTCOUNT:
2822                                 hid_data->cc_report = report->id;
2823                                 hid_data->cc_index = i;
2824                                 hid_data->cc_value_index = j;
2825                                 break;
2826                         }
2827                 }
2828         }
2829
2830         if (hid_data->cc_report != 0 &&
2831             hid_data->cc_index >= 0) {
2832                 struct hid_field *field = report->field[hid_data->cc_index];
2833                 int value = field->value[hid_data->cc_value_index];
2834                 if (value) {
2835                         hid_data->num_expected = value;
2836                         hid_data->num_received = 0;
2837                 }
2838         }
2839         else {
2840                 hid_data->num_expected = wacom_wac->features.touch_max;
2841                 hid_data->num_received = 0;
2842         }
2843 }
2844
2845 static void wacom_wac_finger_report(struct hid_device *hdev,
2846                 struct hid_report *report)
2847 {
2848         struct wacom *wacom = hid_get_drvdata(hdev);
2849         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2850         struct input_dev *input = wacom_wac->touch_input;
2851         unsigned touch_max = wacom_wac->features.touch_max;
2852
2853         /* if there was nothing to process, don't send an empty sync */
2854         if (wacom_wac->hid_data.num_expected == 0)
2855                 return;
2856
2857         /* If more packets of data are expected, give us a chance to
2858          * process them rather than immediately syncing a partial
2859          * update.
2860          */
2861         if (wacom_wac->hid_data.num_received < wacom_wac->hid_data.num_expected)
2862                 return;
2863
2864         if (touch_max > 1)
2865                 input_mt_sync_frame(input);
2866
2867         input_sync(input);
2868         wacom_wac->hid_data.num_received = 0;
2869         wacom_wac->hid_data.num_expected = 0;
2870
2871         /* keep touch state for pen event */
2872         wacom_wac->shared->touch_down = wacom_wac_finger_count_touches(wacom_wac);
2873 }
2874
2875 void wacom_wac_usage_mapping(struct hid_device *hdev,
2876                 struct hid_field *field, struct hid_usage *usage)
2877 {
2878         struct wacom *wacom = hid_get_drvdata(hdev);
2879         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2880         struct wacom_features *features = &wacom_wac->features;
2881
2882         if (WACOM_DIRECT_DEVICE(field))
2883                 features->device_type |= WACOM_DEVICETYPE_DIRECT;
2884
2885         /* usage tests must precede field tests */
2886         if (WACOM_BATTERY_USAGE(usage))
2887                 wacom_wac_battery_usage_mapping(hdev, field, usage);
2888         else if (WACOM_PAD_FIELD(field))
2889                 wacom_wac_pad_usage_mapping(hdev, field, usage);
2890         else if (WACOM_PEN_FIELD(field))
2891                 wacom_wac_pen_usage_mapping(hdev, field, usage);
2892         else if (WACOM_FINGER_FIELD(field))
2893                 wacom_wac_finger_usage_mapping(hdev, field, usage);
2894 }
2895
2896 void wacom_wac_event(struct hid_device *hdev, struct hid_field *field,
2897                 struct hid_usage *usage, __s32 value)
2898 {
2899         struct wacom *wacom = hid_get_drvdata(hdev);
2900
2901         if (wacom->wacom_wac.features.type != HID_GENERIC)
2902                 return;
2903
2904         if (value > field->logical_maximum || value < field->logical_minimum)
2905                 return;
2906
2907         /* usage tests must precede field tests */
2908         if (WACOM_BATTERY_USAGE(usage))
2909                 wacom_wac_battery_event(hdev, field, usage, value);
2910         else if (WACOM_PAD_FIELD(field))
2911                 wacom_wac_pad_event(hdev, field, usage, value);
2912         else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2913                 wacom_wac_pen_event(hdev, field, usage, value);
2914         else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2915                 wacom_wac_finger_event(hdev, field, usage, value);
2916 }
2917
2918 static void wacom_report_events(struct hid_device *hdev,
2919                                 struct hid_report *report, int collection_index,
2920                                 int field_index)
2921 {
2922         int r;
2923
2924         for (r = field_index; r < report->maxfield; r++) {
2925                 struct hid_field *field;
2926                 unsigned count, n;
2927
2928                 field = report->field[r];
2929                 count = field->report_count;
2930
2931                 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
2932                         continue;
2933
2934                 for (n = 0 ; n < count; n++) {
2935                         if (field->usage[n].collection_index == collection_index)
2936                                 wacom_wac_event(hdev, field, &field->usage[n],
2937                                                 field->value[n]);
2938                         else
2939                                 return;
2940                 }
2941         }
2942 }
2943
2944 static int wacom_wac_collection(struct hid_device *hdev, struct hid_report *report,
2945                          int collection_index, struct hid_field *field,
2946                          int field_index)
2947 {
2948         struct wacom *wacom = hid_get_drvdata(hdev);
2949
2950         wacom_report_events(hdev, report, collection_index, field_index);
2951
2952         /*
2953          * Non-input reports may be sent prior to the device being
2954          * completely initialized. Since only their events need
2955          * to be processed, exit after 'wacom_report_events' has
2956          * been called to prevent potential crashes in the report-
2957          * processing functions.
2958          */
2959         if (report->type != HID_INPUT_REPORT)
2960                 return -1;
2961
2962         if (WACOM_PAD_FIELD(field))
2963                 return 0;
2964         else if (WACOM_PEN_FIELD(field) && wacom->wacom_wac.pen_input)
2965                 wacom_wac_pen_report(hdev, report);
2966         else if (WACOM_FINGER_FIELD(field) && wacom->wacom_wac.touch_input)
2967                 wacom_wac_finger_report(hdev, report);
2968
2969         return 0;
2970 }
2971
2972 void wacom_wac_report(struct hid_device *hdev, struct hid_report *report)
2973 {
2974         struct wacom *wacom = hid_get_drvdata(hdev);
2975         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
2976         struct hid_field *field;
2977         bool pad_in_hid_field = false, pen_in_hid_field = false,
2978                 finger_in_hid_field = false, true_pad = false;
2979         int r;
2980         int prev_collection = -1;
2981
2982         if (wacom_wac->features.type != HID_GENERIC)
2983                 return;
2984
2985         for (r = 0; r < report->maxfield; r++) {
2986                 field = report->field[r];
2987
2988                 if (WACOM_PAD_FIELD(field))
2989                         pad_in_hid_field = true;
2990                 if (WACOM_PEN_FIELD(field))
2991                         pen_in_hid_field = true;
2992                 if (WACOM_FINGER_FIELD(field))
2993                         finger_in_hid_field = true;
2994                 if (wacom_equivalent_usage(field->physical) == HID_DG_TABLETFUNCTIONKEY)
2995                         true_pad = true;
2996         }
2997
2998         wacom_wac_battery_pre_report(hdev, report);
2999
3000         if (pad_in_hid_field && wacom->wacom_wac.pad_input)
3001                 wacom_wac_pad_pre_report(hdev, report);
3002         if (pen_in_hid_field && wacom->wacom_wac.pen_input)
3003                 wacom_wac_pen_pre_report(hdev, report);
3004         if (finger_in_hid_field && wacom->wacom_wac.touch_input)
3005                 wacom_wac_finger_pre_report(hdev, report);
3006
3007         for (r = 0; r < report->maxfield; r++) {
3008                 field = report->field[r];
3009
3010                 if (field->usage[0].collection_index != prev_collection) {
3011                         if (wacom_wac_collection(hdev, report,
3012                                 field->usage[0].collection_index, field, r) < 0)
3013                                 return;
3014                         prev_collection = field->usage[0].collection_index;
3015                 }
3016         }
3017
3018         wacom_wac_battery_report(hdev, report);
3019
3020         if (true_pad && wacom->wacom_wac.pad_input)
3021                 wacom_wac_pad_report(hdev, report, field);
3022 }
3023
3024 static int wacom_bpt_touch(struct wacom_wac *wacom)
3025 {
3026         struct wacom_features *features = &wacom->features;
3027         struct input_dev *input = wacom->touch_input;
3028         struct input_dev *pad_input = wacom->pad_input;
3029         unsigned char *data = wacom->data;
3030         int i;
3031
3032         if (data[0] != 0x02)
3033             return 0;
3034
3035         for (i = 0; i < 2; i++) {
3036                 int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
3037                 bool touch = report_touch_events(wacom)
3038                            && (data[offset + 3] & 0x80);
3039
3040                 input_mt_slot(input, i);
3041                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
3042                 if (touch) {
3043                         int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
3044                         int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
3045                         if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
3046                                 x <<= 5;
3047                                 y <<= 5;
3048                         }
3049                         input_report_abs(input, ABS_MT_POSITION_X, x);
3050                         input_report_abs(input, ABS_MT_POSITION_Y, y);
3051                 }
3052         }
3053
3054         input_mt_sync_frame(input);
3055
3056         input_report_key(pad_input, BTN_LEFT, (data[1] & 0x08) != 0);
3057         input_report_key(pad_input, BTN_FORWARD, (data[1] & 0x04) != 0);
3058         input_report_key(pad_input, BTN_BACK, (data[1] & 0x02) != 0);
3059         input_report_key(pad_input, BTN_RIGHT, (data[1] & 0x01) != 0);
3060         wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
3061
3062         return 1;
3063 }
3064
3065 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
3066 {
3067         struct wacom_features *features = &wacom->features;
3068         struct input_dev *input = wacom->touch_input;
3069         bool touch = data[1] & 0x80;
3070         int slot = input_mt_get_slot_by_key(input, data[0]);
3071
3072         if (slot < 0)
3073                 return;
3074
3075         touch = touch && report_touch_events(wacom);
3076
3077         input_mt_slot(input, slot);
3078         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
3079
3080         if (touch) {
3081                 int x = (data[2] << 4) | (data[4] >> 4);
3082                 int y = (data[3] << 4) | (data[4] & 0x0f);
3083                 int width, height;
3084
3085                 if (features->type >= INTUOSPS && features->type <= INTUOSHT2) {
3086                         width  = data[5] * 100;
3087                         height = data[6] * 100;
3088                 } else {
3089                         /*
3090                          * "a" is a scaled-down area which we assume is
3091                          * roughly circular and which can be described as:
3092                          * a=(pi*r^2)/C.
3093                          */
3094                         int a = data[5];
3095                         int x_res = input_abs_get_res(input, ABS_MT_POSITION_X);
3096                         int y_res = input_abs_get_res(input, ABS_MT_POSITION_Y);
3097                         width = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
3098                         height = width * y_res / x_res;
3099                 }
3100
3101                 input_report_abs(input, ABS_MT_POSITION_X, x);
3102                 input_report_abs(input, ABS_MT_POSITION_Y, y);
3103                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
3104                 input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
3105         }
3106 }
3107
3108 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
3109 {
3110         struct input_dev *input = wacom->pad_input;
3111         struct wacom_features *features = &wacom->features;
3112
3113         if (features->type == INTUOSHT || features->type == INTUOSHT2) {
3114                 input_report_key(input, BTN_LEFT, (data[1] & 0x02) != 0);
3115                 input_report_key(input, BTN_BACK, (data[1] & 0x08) != 0);
3116         } else {
3117                 input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
3118                 input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
3119         }
3120         input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
3121         input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
3122 }
3123
3124 static int wacom_bpt3_touch(struct wacom_wac *wacom)
3125 {
3126         unsigned char *data = wacom->data;
3127         int count = data[1] & 0x07;
3128         int  touch_changed = 0, i;
3129
3130         if (data[0] != 0x02)
3131             return 0;
3132
3133         /* data has up to 7 fixed sized 8-byte messages starting at data[2] */
3134         for (i = 0; i < count; i++) {
3135                 int offset = (8 * i) + 2;
3136                 int msg_id = data[offset];
3137
3138                 if (msg_id >= 2 && msg_id <= 17) {
3139                         wacom_bpt3_touch_msg(wacom, data + offset);
3140                         touch_changed++;
3141                 } else if (msg_id == 128)
3142                         wacom_bpt3_button_msg(wacom, data + offset);
3143
3144         }
3145
3146         /* only update touch if we actually have a touchpad and touch data changed */
3147         if (wacom->touch_input && touch_changed) {
3148                 input_mt_sync_frame(wacom->touch_input);
3149                 wacom->shared->touch_down = wacom_wac_finger_count_touches(wacom);
3150         }
3151
3152         return 1;
3153 }
3154
3155 static int wacom_bpt_pen(struct wacom_wac *wacom)
3156 {
3157         struct wacom_features *features = &wacom->features;
3158         struct input_dev *input = wacom->pen_input;
3159         unsigned char *data = wacom->data;
3160         int x = 0, y = 0, p = 0, d = 0;
3161         bool pen = false, btn1 = false, btn2 = false;
3162         bool range, prox, rdy;
3163
3164         if (data[0] != WACOM_REPORT_PENABLED)
3165             return 0;
3166
3167         range = (data[1] & 0x80) == 0x80;
3168         prox = (data[1] & 0x40) == 0x40;
3169         rdy = (data[1] & 0x20) == 0x20;
3170
3171         wacom->shared->stylus_in_proximity = range;
3172         if (delay_pen_events(wacom))
3173                 return 0;
3174
3175         if (rdy) {
3176                 p = le16_to_cpup((__le16 *)&data[6]);
3177                 pen = data[1] & 0x01;
3178                 btn1 = data[1] & 0x02;
3179                 btn2 = data[1] & 0x04;
3180         }
3181         if (prox) {
3182                 x = le16_to_cpup((__le16 *)&data[2]);
3183                 y = le16_to_cpup((__le16 *)&data[4]);
3184
3185                 if (data[1] & 0x08) {
3186                         wacom->tool[0] = BTN_TOOL_RUBBER;
3187                         wacom->id[0] = ERASER_DEVICE_ID;
3188                 } else {
3189                         wacom->tool[0] = BTN_TOOL_PEN;
3190                         wacom->id[0] = STYLUS_DEVICE_ID;
3191                 }
3192                 wacom->reporting_data = true;
3193         }
3194         if (range) {
3195                 /*
3196                  * Convert distance from out prox to distance from tablet.
3197                  * distance will be greater than distance_max once
3198                  * touching and applying pressure; do not report negative
3199                  * distance.
3200                  */
3201                 if (data[8] <= features->distance_max)
3202                         d = features->distance_max - data[8];
3203         } else {
3204                 wacom->id[0] = 0;
3205         }
3206
3207         if (wacom->reporting_data) {
3208                 input_report_key(input, BTN_TOUCH, pen);
3209                 input_report_key(input, BTN_STYLUS, btn1);
3210                 input_report_key(input, BTN_STYLUS2, btn2);
3211
3212                 if (prox || !range) {
3213                         input_report_abs(input, ABS_X, x);
3214                         input_report_abs(input, ABS_Y, y);
3215                 }
3216                 input_report_abs(input, ABS_PRESSURE, p);
3217                 input_report_abs(input, ABS_DISTANCE, d);
3218
3219                 input_report_key(input, wacom->tool[0], range); /* PEN or RUBBER */
3220                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
3221         }
3222
3223         if (!range) {
3224                 wacom->reporting_data = false;
3225         }
3226
3227         return 1;
3228 }
3229
3230 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
3231 {
3232         struct wacom_features *features = &wacom->features;
3233
3234         if ((features->type == INTUOSHT2) &&
3235             (features->device_type & WACOM_DEVICETYPE_PEN))
3236                 return wacom_intuos_irq(wacom);
3237         else if (len == WACOM_PKGLEN_BBTOUCH)
3238                 return wacom_bpt_touch(wacom);
3239         else if (len == WACOM_PKGLEN_BBTOUCH3)
3240                 return wacom_bpt3_touch(wacom);
3241         else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
3242                 return wacom_bpt_pen(wacom);
3243
3244         return 0;
3245 }
3246
3247 static void wacom_bamboo_pad_pen_event(struct wacom_wac *wacom,
3248                 unsigned char *data)
3249 {
3250         unsigned char prefix;
3251
3252         /*
3253          * We need to reroute the event from the debug interface to the
3254          * pen interface.
3255          * We need to add the report ID to the actual pen report, so we
3256          * temporary overwrite the first byte to prevent having to kzalloc/kfree
3257          * and memcpy the report.
3258          */
3259         prefix = data[0];
3260         data[0] = WACOM_REPORT_BPAD_PEN;
3261
3262         /*
3263          * actually reroute the event.
3264          * No need to check if wacom->shared->pen is valid, hid_input_report()
3265          * will check for us.
3266          */
3267         hid_input_report(wacom->shared->pen, HID_INPUT_REPORT, data,
3268                          WACOM_PKGLEN_PENABLED, 1);
3269
3270         data[0] = prefix;
3271 }
3272
3273 static int wacom_bamboo_pad_touch_event(struct wacom_wac *wacom,
3274                 unsigned char *data)
3275 {
3276         struct input_dev *input = wacom->touch_input;
3277         unsigned char *finger_data, prefix;
3278         unsigned id;
3279         int x, y;
3280         bool valid;
3281
3282         prefix = data[0];
3283
3284         for (id = 0; id < wacom->features.touch_max; id++) {
3285                 valid = !!(prefix & BIT(id)) &&
3286                         report_touch_events(wacom);
3287
3288                 input_mt_slot(input, id);
3289                 input_mt_report_slot_state(input, MT_TOOL_FINGER, valid);
3290
3291                 if (!valid)
3292                         continue;
3293
3294                 finger_data = data + 1 + id * 3;
3295                 x = finger_data[0] | ((finger_data[1] & 0x0f) << 8);
3296                 y = (finger_data[2] << 4) | (finger_data[1] >> 4);
3297
3298                 input_report_abs(input, ABS_MT_POSITION_X, x);
3299                 input_report_abs(input, ABS_MT_POSITION_Y, y);
3300         }
3301
3302         input_mt_sync_frame(input);
3303
3304         input_report_key(input, BTN_LEFT, prefix & 0x40);
3305         input_report_key(input, BTN_RIGHT, prefix & 0x80);
3306
3307         /* keep touch state for pen event */
3308         wacom->shared->touch_down = !!prefix && report_touch_events(wacom);
3309
3310         return 1;
3311 }
3312
3313 static int wacom_bamboo_pad_irq(struct wacom_wac *wacom, size_t len)
3314 {
3315         unsigned char *data = wacom->data;
3316
3317         if (!((len == WACOM_PKGLEN_BPAD_TOUCH) ||
3318               (len == WACOM_PKGLEN_BPAD_TOUCH_USB)) ||
3319             (data[0] != WACOM_REPORT_BPAD_TOUCH))
3320                 return 0;
3321
3322         if (data[1] & 0x01)
3323                 wacom_bamboo_pad_pen_event(wacom, &data[1]);
3324
3325         if (data[1] & 0x02)
3326                 return wacom_bamboo_pad_touch_event(wacom, &data[9]);
3327
3328         return 0;
3329 }
3330
3331 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
3332 {
3333         unsigned char *data = wacom->data;
3334         int connected;
3335
3336         if (len != WACOM_PKGLEN_WIRELESS || data[0] != WACOM_REPORT_WL)
3337                 return 0;
3338
3339         connected = data[1] & 0x01;
3340         if (connected) {
3341                 int pid, battery, charging;
3342
3343                 if ((wacom->shared->type == INTUOSHT ||
3344                     wacom->shared->type == INTUOSHT2) &&
3345                     wacom->shared->touch_input &&
3346                     wacom->shared->touch_max) {
3347                         input_report_switch(wacom->shared->touch_input,
3348                                         SW_MUTE_DEVICE, data[5] & 0x40);
3349                         input_sync(wacom->shared->touch_input);
3350                 }
3351
3352                 pid = get_unaligned_be16(&data[6]);
3353                 battery = (data[5] & 0x3f) * 100 / 31;
3354                 charging = !!(data[5] & 0x80);
3355                 if (wacom->pid != pid) {
3356                         wacom->pid = pid;
3357                         wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3358                 }
3359
3360                 wacom_notify_battery(wacom, WACOM_POWER_SUPPLY_STATUS_AUTO,
3361                                      battery, charging, 1, 0);
3362
3363         } else if (wacom->pid != 0) {
3364                 /* disconnected while previously connected */
3365                 wacom->pid = 0;
3366                 wacom_schedule_work(wacom, WACOM_WORKER_WIRELESS);
3367                 wacom_notify_battery(wacom, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3368         }
3369
3370         return 0;
3371 }
3372
3373 static int wacom_status_irq(struct wacom_wac *wacom_wac, size_t len)
3374 {
3375         struct wacom *wacom = container_of(wacom_wac, struct wacom, wacom_wac);
3376         struct wacom_features *features = &wacom_wac->features;
3377         unsigned char *data = wacom_wac->data;
3378
3379         if (data[0] != WACOM_REPORT_USB)
3380                 return 0;
3381
3382         if ((features->type == INTUOSHT ||
3383             features->type == INTUOSHT2) &&
3384             wacom_wac->shared->touch_input &&
3385             features->touch_max) {
3386                 input_report_switch(wacom_wac->shared->touch_input,
3387                                     SW_MUTE_DEVICE, data[8] & 0x40);
3388                 input_sync(wacom_wac->shared->touch_input);
3389         }
3390
3391         if (data[9] & 0x02) { /* wireless module is attached */
3392                 int battery = (data[8] & 0x3f) * 100 / 31;
3393                 bool charging = !!(data[8] & 0x80);
3394
3395                 features->quirks |= WACOM_QUIRK_BATTERY;
3396                 wacom_notify_battery(wacom_wac, WACOM_POWER_SUPPLY_STATUS_AUTO,
3397                                      battery, charging, battery || charging, 1);
3398         }
3399         else if ((features->quirks & WACOM_QUIRK_BATTERY) &&
3400                  wacom->battery.battery) {
3401                 features->quirks &= ~WACOM_QUIRK_BATTERY;
3402                 wacom_notify_battery(wacom_wac, POWER_SUPPLY_STATUS_UNKNOWN, 0, 0, 0, 0);
3403         }
3404         return 0;
3405 }
3406
3407 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
3408 {
3409         bool sync;
3410
3411         switch (wacom_wac->features.type) {
3412         case PENPARTNER:
3413                 sync = wacom_penpartner_irq(wacom_wac);
3414                 break;
3415
3416         case PL:
3417                 sync = wacom_pl_irq(wacom_wac);
3418                 break;
3419
3420         case WACOM_G4:
3421         case GRAPHIRE:
3422         case GRAPHIRE_BT:
3423         case WACOM_MO:
3424                 sync = wacom_graphire_irq(wacom_wac);
3425                 break;
3426
3427         case PTU:
3428                 sync = wacom_ptu_irq(wacom_wac);
3429                 break;
3430
3431         case DTU:
3432                 sync = wacom_dtu_irq(wacom_wac);
3433                 break;
3434
3435         case DTUS:
3436         case DTUSX:
3437                 sync = wacom_dtus_irq(wacom_wac);
3438                 break;
3439
3440         case INTUOS:
3441         case INTUOS3S:
3442         case INTUOS3:
3443         case INTUOS3L:
3444         case INTUOS4S:
3445         case INTUOS4:
3446         case INTUOS4L:
3447         case CINTIQ:
3448         case WACOM_BEE:
3449         case WACOM_13HD:
3450         case WACOM_21UX2:
3451         case WACOM_22HD:
3452         case WACOM_24HD:
3453         case WACOM_27QHD:
3454         case DTK:
3455         case CINTIQ_HYBRID:
3456         case CINTIQ_COMPANION_2:
3457                 sync = wacom_intuos_irq(wacom_wac);
3458                 break;
3459
3460         case INTUOS4WL:
3461                 sync = wacom_intuos_bt_irq(wacom_wac, len);
3462                 break;
3463
3464         case WACOM_24HDT:
3465         case WACOM_27QHDT:
3466                 sync = wacom_24hdt_irq(wacom_wac);
3467                 break;
3468
3469         case INTUOS5S:
3470         case INTUOS5:
3471         case INTUOS5L:
3472         case INTUOSPS:
3473         case INTUOSPM:
3474         case INTUOSPL:
3475                 if (len == WACOM_PKGLEN_BBTOUCH3)
3476                         sync = wacom_bpt3_touch(wacom_wac);
3477                 else if (wacom_wac->data[0] == WACOM_REPORT_USB)
3478                         sync = wacom_status_irq(wacom_wac, len);
3479                 else
3480                         sync = wacom_intuos_irq(wacom_wac);
3481                 break;
3482
3483         case INTUOSP2_BT:
3484         case INTUOSP2S_BT:
3485         case INTUOSHT3_BT:
3486                 sync = wacom_intuos_pro2_bt_irq(wacom_wac, len);
3487                 break;
3488
3489         case TABLETPC:
3490         case TABLETPCE:
3491         case TABLETPC2FG:
3492         case MTSCREEN:
3493         case MTTPC:
3494         case MTTPC_B:
3495                 sync = wacom_tpc_irq(wacom_wac, len);
3496                 break;
3497
3498         case BAMBOO_PT:
3499         case BAMBOO_PEN:
3500         case BAMBOO_TOUCH:
3501         case INTUOSHT:
3502         case INTUOSHT2:
3503                 if (wacom_wac->data[0] == WACOM_REPORT_USB)
3504                         sync = wacom_status_irq(wacom_wac, len);
3505                 else
3506                         sync = wacom_bpt_irq(wacom_wac, len);
3507                 break;
3508
3509         case BAMBOO_PAD:
3510                 sync = wacom_bamboo_pad_irq(wacom_wac, len);
3511                 break;
3512
3513         case WIRELESS:
3514                 sync = wacom_wireless_irq(wacom_wac, len);
3515                 break;
3516
3517         case REMOTE:
3518                 sync = false;
3519                 if (wacom_wac->data[0] == WACOM_REPORT_DEVICE_LIST)
3520                         wacom_remote_status_irq(wacom_wac, len);
3521                 else
3522                         sync = wacom_remote_irq(wacom_wac, len);
3523                 break;
3524
3525         default:
3526                 sync = false;
3527                 break;
3528         }
3529
3530         if (sync) {
3531                 if (wacom_wac->pen_input)
3532                         input_sync(wacom_wac->pen_input);
3533                 if (wacom_wac->touch_input)
3534                         input_sync(wacom_wac->touch_input);
3535                 if (wacom_wac->pad_input)
3536                         input_sync(wacom_wac->pad_input);
3537         }
3538 }
3539
3540 static void wacom_setup_basic_pro_pen(struct wacom_wac *wacom_wac)
3541 {
3542         struct input_dev *input_dev = wacom_wac->pen_input;
3543
3544         input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
3545
3546         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3547         __set_bit(BTN_STYLUS, input_dev->keybit);
3548         __set_bit(BTN_STYLUS2, input_dev->keybit);
3549
3550         input_set_abs_params(input_dev, ABS_DISTANCE,
3551                              0, wacom_wac->features.distance_max, wacom_wac->features.distance_fuzz, 0);
3552 }
3553
3554 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
3555 {
3556         struct input_dev *input_dev = wacom_wac->pen_input;
3557         struct wacom_features *features = &wacom_wac->features;
3558
3559         wacom_setup_basic_pro_pen(wacom_wac);
3560
3561         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3562         __set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
3563         __set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
3564         __set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
3565
3566         input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
3567         input_set_abs_params(input_dev, ABS_TILT_X, -64, 63, features->tilt_fuzz, 0);
3568         input_abs_set_res(input_dev, ABS_TILT_X, 57);
3569         input_set_abs_params(input_dev, ABS_TILT_Y, -64, 63, features->tilt_fuzz, 0);
3570         input_abs_set_res(input_dev, ABS_TILT_Y, 57);
3571 }
3572
3573 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
3574 {
3575         struct input_dev *input_dev = wacom_wac->pen_input;
3576
3577         input_set_capability(input_dev, EV_REL, REL_WHEEL);
3578
3579         wacom_setup_cintiq(wacom_wac);
3580
3581         __set_bit(BTN_LEFT, input_dev->keybit);
3582         __set_bit(BTN_RIGHT, input_dev->keybit);
3583         __set_bit(BTN_MIDDLE, input_dev->keybit);
3584         __set_bit(BTN_SIDE, input_dev->keybit);
3585         __set_bit(BTN_EXTRA, input_dev->keybit);
3586         __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3587         __set_bit(BTN_TOOL_LENS, input_dev->keybit);
3588
3589         input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
3590         input_abs_set_res(input_dev, ABS_RZ, 287);
3591         input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
3592 }
3593
3594 void wacom_setup_device_quirks(struct wacom *wacom)
3595 {
3596         struct wacom_wac *wacom_wac = &wacom->wacom_wac;
3597         struct wacom_features *features = &wacom->wacom_wac.features;
3598
3599         /* The pen and pad share the same interface on most devices */
3600         if (features->type == GRAPHIRE_BT || features->type == WACOM_G4 ||
3601             features->type == DTUS ||
3602             (features->type >= INTUOS3S && features->type <= WACOM_MO)) {
3603                 if (features->device_type & WACOM_DEVICETYPE_PEN)
3604                         features->device_type |= WACOM_DEVICETYPE_PAD;
3605         }
3606
3607         /* touch device found but size is not defined. use default */
3608         if (features->device_type & WACOM_DEVICETYPE_TOUCH && !features->x_max) {
3609                 features->x_max = 1023;
3610                 features->y_max = 1023;
3611         }
3612
3613         /*
3614          * Intuos5/Pro and Bamboo 3rd gen have no useful data about its
3615          * touch interface in its HID descriptor. If this is the touch
3616          * interface (PacketSize of WACOM_PKGLEN_BBTOUCH3), override the
3617          * tablet values.
3618          */
3619         if ((features->type >= INTUOS5S && features->type <= INTUOSPL) ||
3620                 (features->type >= INTUOSHT && features->type <= BAMBOO_PT)) {
3621                 if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
3622                         if (features->touch_max)
3623                                 features->device_type |= WACOM_DEVICETYPE_TOUCH;
3624                         if (features->type >= INTUOSHT && features->type <= BAMBOO_PT)
3625                                 features->device_type |= WACOM_DEVICETYPE_PAD;
3626
3627                         if (features->type == INTUOSHT2) {
3628                                 features->x_max = features->x_max / 10;
3629                                 features->y_max = features->y_max / 10;
3630                         }
3631                         else {
3632                                 features->x_max = 4096;
3633                                 features->y_max = 4096;
3634                         }
3635                 }
3636                 else if (features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3637                         features->device_type |= WACOM_DEVICETYPE_PAD;
3638                 }
3639         }
3640
3641         /*
3642          * Hack for the Bamboo One:
3643          * the device presents a PAD/Touch interface as most Bamboos and even
3644          * sends ghosts PAD data on it. However, later, we must disable this
3645          * ghost interface, and we can not detect it unless we set it here
3646          * to WACOM_DEVICETYPE_PAD or WACOM_DEVICETYPE_TOUCH.
3647          */
3648         if (features->type == BAMBOO_PEN &&
3649             features->pktlen == WACOM_PKGLEN_BBTOUCH3)
3650                 features->device_type |= WACOM_DEVICETYPE_PAD;
3651
3652         /*
3653          * Raw Wacom-mode pen and touch events both come from interface
3654          * 0, whose HID descriptor has an application usage of 0xFF0D
3655          * (i.e., WACOM_HID_WD_DIGITIZER). We route pen packets back
3656          * out through the HID_GENERIC device created for interface 1,
3657          * so rewrite this one to be of type WACOM_DEVICETYPE_TOUCH.
3658          */
3659         if (features->type == BAMBOO_PAD)
3660                 features->device_type = WACOM_DEVICETYPE_TOUCH;
3661
3662         if (features->type == REMOTE)
3663                 features->device_type = WACOM_DEVICETYPE_PAD;
3664
3665         if (features->type == INTUOSP2_BT ||
3666             features->type == INTUOSP2S_BT) {
3667                 features->device_type |= WACOM_DEVICETYPE_PEN |
3668                                          WACOM_DEVICETYPE_PAD |
3669                                          WACOM_DEVICETYPE_TOUCH;
3670                 features->quirks |= WACOM_QUIRK_BATTERY;
3671         }
3672
3673         if (features->type == INTUOSHT3_BT) {
3674                 features->device_type |= WACOM_DEVICETYPE_PEN |
3675                                          WACOM_DEVICETYPE_PAD;
3676                 features->quirks |= WACOM_QUIRK_BATTERY;
3677         }
3678
3679         switch (features->type) {
3680         case PL:
3681         case DTU:
3682         case DTUS:
3683         case DTUSX:
3684         case WACOM_21UX2:
3685         case WACOM_22HD:
3686         case DTK:
3687         case WACOM_24HD:
3688         case WACOM_27QHD:
3689         case CINTIQ_HYBRID:
3690         case CINTIQ_COMPANION_2:
3691         case CINTIQ:
3692         case WACOM_BEE:
3693         case WACOM_13HD:
3694         case WACOM_24HDT:
3695         case WACOM_27QHDT:
3696         case TABLETPC:
3697         case TABLETPCE:
3698         case TABLETPC2FG:
3699         case MTSCREEN:
3700         case MTTPC:
3701         case MTTPC_B:
3702                 features->device_type |= WACOM_DEVICETYPE_DIRECT;
3703                 break;
3704         }
3705
3706         if (wacom->hdev->bus == BUS_BLUETOOTH)
3707                 features->quirks |= WACOM_QUIRK_BATTERY;
3708
3709         /* quirk for bamboo touch with 2 low res touches */
3710         if ((features->type == BAMBOO_PT || features->type == BAMBOO_TOUCH) &&
3711             features->pktlen == WACOM_PKGLEN_BBTOUCH) {
3712                 features->x_max <<= 5;
3713                 features->y_max <<= 5;
3714                 features->x_fuzz <<= 5;
3715                 features->y_fuzz <<= 5;
3716                 features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
3717         }
3718
3719         if (features->type == WIRELESS) {
3720                 if (features->device_type == WACOM_DEVICETYPE_WL_MONITOR) {
3721                         features->quirks |= WACOM_QUIRK_BATTERY;
3722                 }
3723         }
3724
3725         if (features->type == REMOTE)
3726                 features->device_type |= WACOM_DEVICETYPE_WL_MONITOR;
3727
3728         /* HID descriptor for DTK-2451 / DTH-2452 claims to report lots
3729          * of things it shouldn't. Lets fix up the damage...
3730          */
3731         if (wacom->hdev->product == 0x382 || wacom->hdev->product == 0x37d) {
3732                 features->quirks &= ~WACOM_QUIRK_TOOLSERIAL;
3733                 __clear_bit(BTN_TOOL_BRUSH, wacom_wac->pen_input->keybit);
3734                 __clear_bit(BTN_TOOL_PENCIL, wacom_wac->pen_input->keybit);
3735                 __clear_bit(BTN_TOOL_AIRBRUSH, wacom_wac->pen_input->keybit);
3736                 __clear_bit(ABS_Z, wacom_wac->pen_input->absbit);
3737                 __clear_bit(ABS_DISTANCE, wacom_wac->pen_input->absbit);
3738                 __clear_bit(ABS_TILT_X, wacom_wac->pen_input->absbit);
3739                 __clear_bit(ABS_TILT_Y, wacom_wac->pen_input->absbit);
3740                 __clear_bit(ABS_WHEEL, wacom_wac->pen_input->absbit);
3741                 __clear_bit(ABS_MISC, wacom_wac->pen_input->absbit);
3742                 __clear_bit(MSC_SERIAL, wacom_wac->pen_input->mscbit);
3743                 __clear_bit(EV_MSC, wacom_wac->pen_input->evbit);
3744         }
3745 }
3746
3747 int wacom_setup_pen_input_capabilities(struct input_dev *input_dev,
3748                                    struct wacom_wac *wacom_wac)
3749 {
3750         struct wacom_features *features = &wacom_wac->features;
3751
3752         if (!(features->device_type & WACOM_DEVICETYPE_PEN))
3753                 return -ENODEV;
3754
3755         if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3756                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3757         else
3758                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3759
3760         if (features->type == HID_GENERIC)
3761                 /* setup has already been done */
3762                 return 0;
3763
3764         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3765         __set_bit(BTN_TOUCH, input_dev->keybit);
3766         __set_bit(ABS_MISC, input_dev->absbit);
3767
3768         input_set_abs_params(input_dev, ABS_X, 0 + features->offset_left,
3769                              features->x_max - features->offset_right,
3770                              features->x_fuzz, 0);
3771         input_set_abs_params(input_dev, ABS_Y, 0 + features->offset_top,
3772                              features->y_max - features->offset_bottom,
3773                              features->y_fuzz, 0);
3774         input_set_abs_params(input_dev, ABS_PRESSURE, 0,
3775                 features->pressure_max, features->pressure_fuzz, 0);
3776
3777         /* penabled devices have fixed resolution for each model */
3778         input_abs_set_res(input_dev, ABS_X, features->x_resolution);
3779         input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
3780
3781         switch (features->type) {
3782         case GRAPHIRE_BT:
3783                 __clear_bit(ABS_MISC, input_dev->absbit);
3784                 fallthrough;
3785
3786         case WACOM_MO:
3787         case WACOM_G4:
3788                 input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3789                                               features->distance_max,
3790                                               features->distance_fuzz, 0);
3791                 fallthrough;
3792
3793         case GRAPHIRE:
3794                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
3795
3796                 __set_bit(BTN_LEFT, input_dev->keybit);
3797                 __set_bit(BTN_RIGHT, input_dev->keybit);
3798                 __set_bit(BTN_MIDDLE, input_dev->keybit);
3799
3800                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3801                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3802                 __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
3803                 __set_bit(BTN_STYLUS, input_dev->keybit);
3804                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3805                 break;
3806
3807         case WACOM_27QHD:
3808         case WACOM_24HD:
3809         case DTK:
3810         case WACOM_22HD:
3811         case WACOM_21UX2:
3812         case WACOM_BEE:
3813         case CINTIQ:
3814         case WACOM_13HD:
3815         case CINTIQ_HYBRID:
3816         case CINTIQ_COMPANION_2:
3817                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3818                 input_abs_set_res(input_dev, ABS_Z, 287);
3819                 wacom_setup_cintiq(wacom_wac);
3820                 break;
3821
3822         case INTUOS3:
3823         case INTUOS3L:
3824         case INTUOS3S:
3825         case INTUOS4:
3826         case INTUOS4WL:
3827         case INTUOS4L:
3828         case INTUOS4S:
3829                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3830                 input_abs_set_res(input_dev, ABS_Z, 287);
3831                 fallthrough;
3832
3833         case INTUOS:
3834                 wacom_setup_intuos(wacom_wac);
3835                 break;
3836
3837         case INTUOS5:
3838         case INTUOS5L:
3839         case INTUOSPM:
3840         case INTUOSPL:
3841         case INTUOS5S:
3842         case INTUOSPS:
3843         case INTUOSP2_BT:
3844         case INTUOSP2S_BT:
3845                 input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3846                                       features->distance_max,
3847                                       features->distance_fuzz, 0);
3848
3849                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
3850                 input_abs_set_res(input_dev, ABS_Z, 287);
3851
3852                 wacom_setup_intuos(wacom_wac);
3853                 break;
3854
3855         case WACOM_24HDT:
3856         case WACOM_27QHDT:
3857         case MTSCREEN:
3858         case MTTPC:
3859         case MTTPC_B:
3860         case TABLETPC2FG:
3861         case TABLETPC:
3862         case TABLETPCE:
3863                 __clear_bit(ABS_MISC, input_dev->absbit);
3864                 fallthrough;
3865
3866         case DTUS:
3867         case DTUSX:
3868         case PL:
3869         case DTU:
3870                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3871                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3872                 __set_bit(BTN_STYLUS, input_dev->keybit);
3873                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3874                 break;
3875
3876         case PTU:
3877                 __set_bit(BTN_STYLUS2, input_dev->keybit);
3878                 fallthrough;
3879
3880         case PENPARTNER:
3881                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3882                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3883                 __set_bit(BTN_STYLUS, input_dev->keybit);
3884                 break;
3885
3886         case INTUOSHT:
3887         case BAMBOO_PT:
3888         case BAMBOO_PEN:
3889         case INTUOSHT2:
3890         case INTUOSHT3_BT:
3891                 if (features->type == INTUOSHT2 ||
3892                     features->type == INTUOSHT3_BT) {
3893                         wacom_setup_basic_pro_pen(wacom_wac);
3894                 } else {
3895                         __clear_bit(ABS_MISC, input_dev->absbit);
3896                         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
3897                         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
3898                         __set_bit(BTN_STYLUS, input_dev->keybit);
3899                         __set_bit(BTN_STYLUS2, input_dev->keybit);
3900                         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
3901                                       features->distance_max,
3902                                       features->distance_fuzz, 0);
3903                 }
3904                 break;
3905         case BAMBOO_PAD:
3906                 __clear_bit(ABS_MISC, input_dev->absbit);
3907                 break;
3908         }
3909         return 0;
3910 }
3911
3912 int wacom_setup_touch_input_capabilities(struct input_dev *input_dev,
3913                                          struct wacom_wac *wacom_wac)
3914 {
3915         struct wacom_features *features = &wacom_wac->features;
3916
3917         if (!(features->device_type & WACOM_DEVICETYPE_TOUCH))
3918                 return -ENODEV;
3919
3920         if (features->device_type & WACOM_DEVICETYPE_DIRECT)
3921                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
3922         else
3923                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
3924
3925         if (features->type == HID_GENERIC)
3926                 /* setup has already been done */
3927                 return 0;
3928
3929         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
3930         __set_bit(BTN_TOUCH, input_dev->keybit);
3931
3932         if (features->touch_max == 1) {
3933                 input_set_abs_params(input_dev, ABS_X, 0,
3934                         features->x_max, features->x_fuzz, 0);
3935                 input_set_abs_params(input_dev, ABS_Y, 0,
3936                         features->y_max, features->y_fuzz, 0);
3937                 input_abs_set_res(input_dev, ABS_X,
3938                                   features->x_resolution);
3939                 input_abs_set_res(input_dev, ABS_Y,
3940                                   features->y_resolution);
3941         }
3942         else if (features->touch_max > 1) {
3943                 input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0,
3944                         features->x_max, features->x_fuzz, 0);
3945                 input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0,
3946                         features->y_max, features->y_fuzz, 0);
3947                 input_abs_set_res(input_dev, ABS_MT_POSITION_X,
3948                                   features->x_resolution);
3949                 input_abs_set_res(input_dev, ABS_MT_POSITION_Y,
3950                                   features->y_resolution);
3951         }
3952
3953         switch (features->type) {
3954         case INTUOSP2_BT:
3955         case INTUOSP2S_BT:
3956                 input_dev->evbit[0] |= BIT_MASK(EV_SW);
3957                 __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
3958
3959                 if (wacom_wac->shared->touch->product == 0x361) {
3960                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3961                                              0, 12440, 4, 0);
3962                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3963                                              0, 8640, 4, 0);
3964                 }
3965                 else if (wacom_wac->shared->touch->product == 0x360) {
3966                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3967                                              0, 8960, 4, 0);
3968                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3969                                              0, 5920, 4, 0);
3970                 }
3971                 else if (wacom_wac->shared->touch->product == 0x393) {
3972                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
3973                                              0, 6400, 4, 0);
3974                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
3975                                              0, 4000, 4, 0);
3976                 }
3977                 input_abs_set_res(input_dev, ABS_MT_POSITION_X, 40);
3978                 input_abs_set_res(input_dev, ABS_MT_POSITION_Y, 40);
3979
3980                 fallthrough;
3981
3982         case INTUOS5:
3983         case INTUOS5L:
3984         case INTUOSPM:
3985         case INTUOSPL:
3986         case INTUOS5S:
3987         case INTUOSPS:
3988                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3989                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, 0, features->y_max, 0, 0);
3990                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
3991                 break;
3992
3993         case WACOM_24HDT:
3994                 input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
3995                 input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
3996                 input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
3997                 input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
3998                 fallthrough;
3999
4000         case WACOM_27QHDT:
4001                 if (wacom_wac->shared->touch->product == 0x32C ||
4002                     wacom_wac->shared->touch->product == 0xF6) {
4003                         input_dev->evbit[0] |= BIT_MASK(EV_SW);
4004                         __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
4005                         wacom_wac->has_mute_touch_switch = true;
4006                         wacom_wac->is_soft_touch_switch = true;
4007                 }
4008                 fallthrough;
4009
4010         case MTSCREEN:
4011         case MTTPC:
4012         case MTTPC_B:
4013         case TABLETPC2FG:
4014                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_DIRECT);
4015                 fallthrough;
4016
4017         case TABLETPC:
4018         case TABLETPCE:
4019                 break;
4020
4021         case INTUOSHT:
4022         case INTUOSHT2:
4023                 input_dev->evbit[0] |= BIT_MASK(EV_SW);
4024                 __set_bit(SW_MUTE_DEVICE, input_dev->swbit);
4025                 fallthrough;
4026
4027         case BAMBOO_PT:
4028         case BAMBOO_TOUCH:
4029                 if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
4030                         input_set_abs_params(input_dev,
4031                                      ABS_MT_TOUCH_MAJOR,
4032                                      0, features->x_max, 0, 0);
4033                         input_set_abs_params(input_dev,
4034                                      ABS_MT_TOUCH_MINOR,
4035                                      0, features->y_max, 0, 0);
4036                 }
4037                 input_mt_init_slots(input_dev, features->touch_max, INPUT_MT_POINTER);
4038                 break;
4039
4040         case BAMBOO_PAD:
4041                 input_mt_init_slots(input_dev, features->touch_max,
4042                                     INPUT_MT_POINTER);
4043                 __set_bit(BTN_LEFT, input_dev->keybit);
4044                 __set_bit(BTN_RIGHT, input_dev->keybit);
4045                 break;
4046         }
4047         return 0;
4048 }
4049
4050 static int wacom_numbered_button_to_key(int n)
4051 {
4052         if (n < 10)
4053                 return BTN_0 + n;
4054         else if (n < 16)
4055                 return BTN_A + (n-10);
4056         else if (n < 18)
4057                 return BTN_BASE + (n-16);
4058         else
4059                 return 0;
4060 }
4061
4062 static void wacom_setup_numbered_buttons(struct input_dev *input_dev,
4063                                 int button_count)
4064 {
4065         int i;
4066
4067         for (i = 0; i < button_count; i++) {
4068                 int key = wacom_numbered_button_to_key(i);
4069
4070                 if (key)
4071                         __set_bit(key, input_dev->keybit);
4072         }
4073 }
4074
4075 static void wacom_24hd_update_leds(struct wacom *wacom, int mask, int group)
4076 {
4077         struct wacom_led *led;
4078         int i;
4079         bool updated = false;
4080
4081         /*
4082          * 24HD has LED group 1 to the left and LED group 0 to the right.
4083          * So group 0 matches the second half of the buttons and thus the mask
4084          * needs to be shifted.
4085          */
4086         if (group == 0)
4087                 mask >>= 8;
4088
4089         for (i = 0; i < 3; i++) {
4090                 led = wacom_led_find(wacom, group, i);
4091                 if (!led) {
4092                         hid_err(wacom->hdev, "can't find LED %d in group %d\n",
4093                                 i, group);
4094                         continue;
4095                 }
4096                 if (!updated && mask & BIT(i)) {
4097                         led->held = true;
4098                         led_trigger_event(&led->trigger, LED_FULL);
4099                 } else {
4100                         led->held = false;
4101                 }
4102         }
4103 }
4104
4105 static bool wacom_is_led_toggled(struct wacom *wacom, int button_count,
4106                                  int mask, int group)
4107 {
4108         int group_button;
4109
4110         /*
4111          * 21UX2 has LED group 1 to the left and LED group 0
4112          * to the right. We need to reverse the group to match this
4113          * historical behavior.
4114          */
4115         if (wacom->wacom_wac.features.type == WACOM_21UX2)
4116                 group = 1 - group;
4117
4118         group_button = group * (button_count/wacom->led.count);
4119
4120         if (wacom->wacom_wac.features.type == INTUOSP2_BT)
4121                 group_button = 8;
4122
4123         return mask & (1 << group_button);
4124 }
4125
4126 static void wacom_update_led(struct wacom *wacom, int button_count, int mask,
4127                              int group)
4128 {
4129         struct wacom_led *led, *next_led;
4130         int cur;
4131         bool pressed;
4132
4133         if (wacom->wacom_wac.features.type == WACOM_24HD)
4134                 return wacom_24hd_update_leds(wacom, mask, group);
4135
4136         pressed = wacom_is_led_toggled(wacom, button_count, mask, group);
4137         cur = wacom->led.groups[group].select;
4138
4139         led = wacom_led_find(wacom, group, cur);
4140         if (!led) {
4141                 hid_err(wacom->hdev, "can't find current LED %d in group %d\n",
4142                         cur, group);
4143                 return;
4144         }
4145
4146         if (!pressed) {
4147                 led->held = false;
4148                 return;
4149         }
4150
4151         if (led->held && pressed)
4152                 return;
4153
4154         next_led = wacom_led_next(wacom, led);
4155         if (!next_led) {
4156                 hid_err(wacom->hdev, "can't find next LED in group %d\n",
4157                         group);
4158                 return;
4159         }
4160         if (next_led == led)
4161                 return;
4162
4163         next_led->held = true;
4164         led_trigger_event(&next_led->trigger,
4165                           wacom_leds_brightness_get(next_led));
4166 }
4167
4168 static void wacom_report_numbered_buttons(struct input_dev *input_dev,
4169                                 int button_count, int mask)
4170 {
4171         struct wacom *wacom = input_get_drvdata(input_dev);
4172         int i;
4173
4174         for (i = 0; i < wacom->led.count; i++)
4175                 wacom_update_led(wacom,  button_count, mask, i);
4176
4177         for (i = 0; i < button_count; i++) {
4178                 int key = wacom_numbered_button_to_key(i);
4179
4180                 if (key)
4181                         input_report_key(input_dev, key, mask & (1 << i));
4182         }
4183 }
4184
4185 int wacom_setup_pad_input_capabilities(struct input_dev *input_dev,
4186                                    struct wacom_wac *wacom_wac)
4187 {
4188         struct wacom_features *features = &wacom_wac->features;
4189
4190         if ((features->type == HID_GENERIC) && features->numbered_buttons > 0)
4191                 features->device_type |= WACOM_DEVICETYPE_PAD;
4192
4193         if (!(features->device_type & WACOM_DEVICETYPE_PAD))
4194                 return -ENODEV;
4195
4196         if (features->type == REMOTE && input_dev == wacom_wac->pad_input)
4197                 return -ENODEV;
4198
4199         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
4200
4201         /* kept for making legacy xf86-input-wacom working with the wheels */
4202         __set_bit(ABS_MISC, input_dev->absbit);
4203
4204         /* kept for making legacy xf86-input-wacom accepting the pad */
4205         if (!(input_dev->absinfo && (input_dev->absinfo[ABS_X].minimum ||
4206               input_dev->absinfo[ABS_X].maximum)))
4207                 input_set_abs_params(input_dev, ABS_X, 0, 1, 0, 0);
4208         if (!(input_dev->absinfo && (input_dev->absinfo[ABS_Y].minimum ||
4209               input_dev->absinfo[ABS_Y].maximum)))
4210                 input_set_abs_params(input_dev, ABS_Y, 0, 1, 0, 0);
4211
4212         /* kept for making udev and libwacom accepting the pad */
4213         __set_bit(BTN_STYLUS, input_dev->keybit);
4214
4215         wacom_setup_numbered_buttons(input_dev, features->numbered_buttons);
4216
4217         switch (features->type) {
4218
4219         case CINTIQ_HYBRID:
4220         case CINTIQ_COMPANION_2:
4221         case DTK:
4222         case DTUS:
4223         case GRAPHIRE_BT:
4224                 break;
4225
4226         case WACOM_MO:
4227                 __set_bit(BTN_BACK, input_dev->keybit);
4228                 __set_bit(BTN_LEFT, input_dev->keybit);
4229                 __set_bit(BTN_FORWARD, input_dev->keybit);
4230                 __set_bit(BTN_RIGHT, input_dev->keybit);
4231                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4232                 break;
4233
4234         case WACOM_G4:
4235                 __set_bit(BTN_BACK, input_dev->keybit);
4236                 __set_bit(BTN_FORWARD, input_dev->keybit);
4237                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
4238                 break;
4239
4240         case WACOM_24HD:
4241                 __set_bit(KEY_PROG1, input_dev->keybit);
4242                 __set_bit(KEY_PROG2, input_dev->keybit);
4243                 __set_bit(KEY_PROG3, input_dev->keybit);
4244
4245                 __set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4246                 __set_bit(KEY_INFO, input_dev->keybit);
4247
4248                 if (!features->oPid)
4249                         __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4250
4251                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4252                 input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
4253                 break;
4254
4255         case WACOM_27QHD:
4256                 __set_bit(KEY_PROG1, input_dev->keybit);
4257                 __set_bit(KEY_PROG2, input_dev->keybit);
4258                 __set_bit(KEY_PROG3, input_dev->keybit);
4259
4260                 __set_bit(KEY_ONSCREEN_KEYBOARD, input_dev->keybit);
4261                 __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4262
4263                 if (!features->oPid)
4264                         __set_bit(KEY_CONTROLPANEL, input_dev->keybit);
4265                 input_set_abs_params(input_dev, ABS_X, -2048, 2048, 0, 0);
4266                 input_abs_set_res(input_dev, ABS_X, 1024); /* points/g */
4267                 input_set_abs_params(input_dev, ABS_Y, -2048, 2048, 0, 0);
4268                 input_abs_set_res(input_dev, ABS_Y, 1024);
4269                 input_set_abs_params(input_dev, ABS_Z, -2048, 2048, 0, 0);
4270                 input_abs_set_res(input_dev, ABS_Z, 1024);
4271                 __set_bit(INPUT_PROP_ACCELEROMETER, input_dev->propbit);
4272                 break;
4273
4274         case WACOM_22HD:
4275                 __set_bit(KEY_PROG1, input_dev->keybit);
4276                 __set_bit(KEY_PROG2, input_dev->keybit);
4277                 __set_bit(KEY_PROG3, input_dev->keybit);
4278
4279                 __set_bit(KEY_BUTTONCONFIG, input_dev->keybit);
4280                 __set_bit(KEY_INFO, input_dev->keybit);
4281                 fallthrough;
4282
4283         case WACOM_21UX2:
4284         case WACOM_BEE:
4285         case CINTIQ:
4286                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4287                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4288                 break;
4289
4290         case WACOM_13HD:
4291                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4292                 break;
4293
4294         case INTUOS3:
4295         case INTUOS3L:
4296                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
4297                 fallthrough;
4298
4299         case INTUOS3S:
4300                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
4301                 break;
4302
4303         case INTUOS5:
4304         case INTUOS5L:
4305         case INTUOSPM:
4306         case INTUOSPL:
4307         case INTUOS5S:
4308         case INTUOSPS:
4309         case INTUOSP2_BT:
4310         case INTUOSP2S_BT:
4311                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4312                 break;
4313
4314         case INTUOS4WL:
4315                 /*
4316                  * For Bluetooth devices, the udev rule does not work correctly
4317                  * for pads unless we add a stylus capability, which forces
4318                  * ID_INPUT_TABLET to be set.
4319                  */
4320                 __set_bit(BTN_STYLUS, input_dev->keybit);
4321                 fallthrough;
4322
4323         case INTUOS4:
4324         case INTUOS4L:
4325         case INTUOS4S:
4326                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4327                 break;
4328
4329         case INTUOSHT:
4330         case BAMBOO_PT:
4331         case BAMBOO_TOUCH:
4332         case INTUOSHT2:
4333                 __clear_bit(ABS_MISC, input_dev->absbit);
4334
4335                 __set_bit(BTN_LEFT, input_dev->keybit);
4336                 __set_bit(BTN_FORWARD, input_dev->keybit);
4337                 __set_bit(BTN_BACK, input_dev->keybit);
4338                 __set_bit(BTN_RIGHT, input_dev->keybit);
4339
4340                 break;
4341
4342         case REMOTE:
4343                 input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
4344                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
4345                 break;
4346
4347         case INTUOSHT3_BT:
4348         case HID_GENERIC:
4349                 break;
4350
4351         default:
4352                 /* no pad supported */
4353                 return -ENODEV;
4354         }
4355         return 0;
4356 }
4357
4358 static const struct wacom_features wacom_features_0x00 =
4359         { "Wacom Penpartner", 5040, 3780, 255, 0,
4360           PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4361 static const struct wacom_features wacom_features_0x10 =
4362         { "Wacom Graphire", 10206, 7422, 511, 63,
4363           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4364 static const struct wacom_features wacom_features_0x81 =
4365         { "Wacom Graphire BT", 16704, 12064, 511, 32,
4366           GRAPHIRE_BT, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES, 2 };
4367 static const struct wacom_features wacom_features_0x11 =
4368         { "Wacom Graphire2 4x5", 10206, 7422, 511, 63,
4369           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4370 static const struct wacom_features wacom_features_0x12 =
4371         { "Wacom Graphire2 5x7", 13918, 10206, 511, 63,
4372           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4373 static const struct wacom_features wacom_features_0x13 =
4374         { "Wacom Graphire3", 10208, 7424, 511, 63,
4375           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4376 static const struct wacom_features wacom_features_0x14 =
4377         { "Wacom Graphire3 6x8", 16704, 12064, 511, 63,
4378           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4379 static const struct wacom_features wacom_features_0x15 =
4380         { "Wacom Graphire4 4x5", 10208, 7424, 511, 63,
4381           WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4382 static const struct wacom_features wacom_features_0x16 =
4383         { "Wacom Graphire4 6x8", 16704, 12064, 511, 63,
4384           WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4385 static const struct wacom_features wacom_features_0x17 =
4386         { "Wacom BambooFun 4x5", 14760, 9225, 511, 63,
4387           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4388 static const struct wacom_features wacom_features_0x18 =
4389         { "Wacom BambooFun 6x8", 21648, 13530, 511, 63,
4390           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4391 static const struct wacom_features wacom_features_0x19 =
4392         { "Wacom Bamboo1 Medium", 16704, 12064, 511, 63,
4393           GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
4394 static const struct wacom_features wacom_features_0x60 =
4395         { "Wacom Volito", 5104, 3712, 511, 63,
4396           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4397 static const struct wacom_features wacom_features_0x61 =
4398         { "Wacom PenStation2", 3250, 2320, 255, 63,
4399           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4400 static const struct wacom_features wacom_features_0x62 =
4401         { "Wacom Volito2 4x5", 5104, 3712, 511, 63,
4402           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4403 static const struct wacom_features wacom_features_0x63 =
4404         { "Wacom Volito2 2x3", 3248, 2320, 511, 63,
4405           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4406 static const struct wacom_features wacom_features_0x64 =
4407         { "Wacom PenPartner2", 3250, 2320, 511, 63,
4408           GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
4409 static const struct wacom_features wacom_features_0x65 =
4410         { "Wacom Bamboo", 14760, 9225, 511, 63,
4411           WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4412 static const struct wacom_features wacom_features_0x69 =
4413         { "Wacom Bamboo1", 5104, 3712, 511, 63,
4414           GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
4415 static const struct wacom_features wacom_features_0x6A =
4416         { "Wacom Bamboo1 4x6", 14760, 9225, 1023, 63,
4417           GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4418 static const struct wacom_features wacom_features_0x6B =
4419         { "Wacom Bamboo1 5x8", 21648, 13530, 1023, 63,
4420           GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4421 static const struct wacom_features wacom_features_0x20 =
4422         { "Wacom Intuos 4x5", 12700, 10600, 1023, 31,
4423           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4424 static const struct wacom_features wacom_features_0x21 =
4425         { "Wacom Intuos 6x8", 20320, 16240, 1023, 31,
4426           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4427 static const struct wacom_features wacom_features_0x22 =
4428         { "Wacom Intuos 9x12", 30480, 24060, 1023, 31,
4429           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4430 static const struct wacom_features wacom_features_0x23 =
4431         { "Wacom Intuos 12x12", 30480, 31680, 1023, 31,
4432           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4433 static const struct wacom_features wacom_features_0x24 =
4434         { "Wacom Intuos 12x18", 45720, 31680, 1023, 31,
4435           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4436 static const struct wacom_features wacom_features_0x30 =
4437         { "Wacom PL400", 5408, 4056, 255, 0,
4438           PL, WACOM_PL_RES, WACOM_PL_RES };
4439 static const struct wacom_features wacom_features_0x31 =
4440         { "Wacom PL500", 6144, 4608, 255, 0,
4441           PL, WACOM_PL_RES, WACOM_PL_RES };
4442 static const struct wacom_features wacom_features_0x32 =
4443         { "Wacom PL600", 6126, 4604, 255, 0,
4444           PL, WACOM_PL_RES, WACOM_PL_RES };
4445 static const struct wacom_features wacom_features_0x33 =
4446         { "Wacom PL600SX", 6260, 5016, 255, 0,
4447           PL, WACOM_PL_RES, WACOM_PL_RES };
4448 static const struct wacom_features wacom_features_0x34 =
4449         { "Wacom PL550", 6144, 4608, 511, 0,
4450           PL, WACOM_PL_RES, WACOM_PL_RES };
4451 static const struct wacom_features wacom_features_0x35 =
4452         { "Wacom PL800", 7220, 5780, 511, 0,
4453           PL, WACOM_PL_RES, WACOM_PL_RES };
4454 static const struct wacom_features wacom_features_0x37 =
4455         { "Wacom PL700", 6758, 5406, 511, 0,
4456           PL, WACOM_PL_RES, WACOM_PL_RES };
4457 static const struct wacom_features wacom_features_0x38 =
4458         { "Wacom PL510", 6282, 4762, 511, 0,
4459           PL, WACOM_PL_RES, WACOM_PL_RES };
4460 static const struct wacom_features wacom_features_0x39 =
4461         { "Wacom DTU710", 34080, 27660, 511, 0,
4462           PL, WACOM_PL_RES, WACOM_PL_RES };
4463 static const struct wacom_features wacom_features_0xC4 =
4464         { "Wacom DTF521", 6282, 4762, 511, 0,
4465           PL, WACOM_PL_RES, WACOM_PL_RES };
4466 static const struct wacom_features wacom_features_0xC0 =
4467         { "Wacom DTF720", 6858, 5506, 511, 0,
4468           PL, WACOM_PL_RES, WACOM_PL_RES };
4469 static const struct wacom_features wacom_features_0xC2 =
4470         { "Wacom DTF720a", 6858, 5506, 511, 0,
4471           PL, WACOM_PL_RES, WACOM_PL_RES };
4472 static const struct wacom_features wacom_features_0x03 =
4473         { "Wacom Cintiq Partner", 20480, 15360, 511, 0,
4474           PTU, WACOM_PL_RES, WACOM_PL_RES };
4475 static const struct wacom_features wacom_features_0x41 =
4476         { "Wacom Intuos2 4x5", 12700, 10600, 1023, 31,
4477           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4478 static const struct wacom_features wacom_features_0x42 =
4479         { "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4480           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4481 static const struct wacom_features wacom_features_0x43 =
4482         { "Wacom Intuos2 9x12", 30480, 24060, 1023, 31,
4483           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4484 static const struct wacom_features wacom_features_0x44 =
4485         { "Wacom Intuos2 12x12", 30480, 31680, 1023, 31,
4486           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4487 static const struct wacom_features wacom_features_0x45 =
4488         { "Wacom Intuos2 12x18", 45720, 31680, 1023, 31,
4489           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4490 static const struct wacom_features wacom_features_0xB0 =
4491         { "Wacom Intuos3 4x5", 25400, 20320, 1023, 63,
4492           INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4493 static const struct wacom_features wacom_features_0xB1 =
4494         { "Wacom Intuos3 6x8", 40640, 30480, 1023, 63,
4495           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4496 static const struct wacom_features wacom_features_0xB2 =
4497         { "Wacom Intuos3 9x12", 60960, 45720, 1023, 63,
4498           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4499 static const struct wacom_features wacom_features_0xB3 =
4500         { "Wacom Intuos3 12x12", 60960, 60960, 1023, 63,
4501           INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4502 static const struct wacom_features wacom_features_0xB4 =
4503         { "Wacom Intuos3 12x19", 97536, 60960, 1023, 63,
4504           INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4505 static const struct wacom_features wacom_features_0xB5 =
4506         { "Wacom Intuos3 6x11", 54204, 31750, 1023, 63,
4507           INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4508 static const struct wacom_features wacom_features_0xB7 =
4509         { "Wacom Intuos3 4x6", 31496, 19685, 1023, 63,
4510           INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 4 };
4511 static const struct wacom_features wacom_features_0xB8 =
4512         { "Wacom Intuos4 4x6", 31496, 19685, 2047, 63,
4513           INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4514 static const struct wacom_features wacom_features_0xB9 =
4515         { "Wacom Intuos4 6x9", 44704, 27940, 2047, 63,
4516           INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4517 static const struct wacom_features wacom_features_0xBA =
4518         { "Wacom Intuos4 8x13", 65024, 40640, 2047, 63,
4519           INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4520 static const struct wacom_features wacom_features_0xBB =
4521         { "Wacom Intuos4 12x19", 97536, 60960, 2047, 63,
4522           INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4523 static const struct wacom_features wacom_features_0xBC =
4524         { "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4525           INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4526 static const struct wacom_features wacom_features_0xBD =
4527         { "Wacom Intuos4 WL", 40640, 25400, 2047, 63,
4528           INTUOS4WL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4529 static const struct wacom_features wacom_features_0x26 =
4530         { "Wacom Intuos5 touch S", 31496, 19685, 2047, 63,
4531           INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16 };
4532 static const struct wacom_features wacom_features_0x27 =
4533         { "Wacom Intuos5 touch M", 44704, 27940, 2047, 63,
4534           INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4535 static const struct wacom_features wacom_features_0x28 =
4536         { "Wacom Intuos5 touch L", 65024, 40640, 2047, 63,
4537           INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16 };
4538 static const struct wacom_features wacom_features_0x29 =
4539         { "Wacom Intuos5 S", 31496, 19685, 2047, 63,
4540           INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7 };
4541 static const struct wacom_features wacom_features_0x2A =
4542         { "Wacom Intuos5 M", 44704, 27940, 2047, 63,
4543           INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9 };
4544 static const struct wacom_features wacom_features_0x314 =
4545         { "Wacom Intuos Pro S", 31496, 19685, 2047, 63,
4546           INTUOSPS, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7, .touch_max = 16,
4547           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4548 static const struct wacom_features wacom_features_0x315 =
4549         { "Wacom Intuos Pro M", 44704, 27940, 2047, 63,
4550           INTUOSPM, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4551           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4552 static const struct wacom_features wacom_features_0x317 =
4553         { "Wacom Intuos Pro L", 65024, 40640, 2047, 63,
4554           INTUOSPL, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 16,
4555           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4556 static const struct wacom_features wacom_features_0xF4 =
4557         { "Wacom Cintiq 24HD", 104480, 65600, 2047, 63,
4558           WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4559           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4560           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4561 static const struct wacom_features wacom_features_0xF8 =
4562         { "Wacom Cintiq 24HD touch", 104480, 65600, 2047, 63, /* Pen */
4563           WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 16,
4564           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4565           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4566           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
4567 static const struct wacom_features wacom_features_0xF6 =
4568         { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
4569           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10,
4570           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4571 static const struct wacom_features wacom_features_0x32A =
4572         { "Wacom Cintiq 27QHD", 120140, 67920, 2047, 63,
4573           WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4574           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4575           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4576 static const struct wacom_features wacom_features_0x32B =
4577         { "Wacom Cintiq 27QHD touch", 120140, 67920, 2047, 63,
4578           WACOM_27QHD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 0,
4579           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4580           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4581           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32C };
4582 static const struct wacom_features wacom_features_0x32C =
4583         { "Wacom Cintiq 27QHD touch", .type = WACOM_27QHDT,
4584           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x32B, .touch_max = 10 };
4585 static const struct wacom_features wacom_features_0x3F =
4586         { "Wacom Cintiq 21UX", 87200, 65600, 1023, 63,
4587           CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 8 };
4588 static const struct wacom_features wacom_features_0xC5 =
4589         { "Wacom Cintiq 20WSX", 86680, 54180, 1023, 63,
4590           WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4591 static const struct wacom_features wacom_features_0xC6 =
4592         { "Wacom Cintiq 12WX", 53020, 33440, 1023, 63,
4593           WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 10 };
4594 static const struct wacom_features wacom_features_0x304 =
4595         { "Wacom Cintiq 13HD", 59552, 33848, 1023, 63,
4596           WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4597           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4598           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4599 static const struct wacom_features wacom_features_0x333 =
4600         { "Wacom Cintiq 13HD touch", 59552, 33848, 2047, 63,
4601           WACOM_13HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4602           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4603           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4604           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x335 };
4605 static const struct wacom_features wacom_features_0x335 =
4606         { "Wacom Cintiq 13HD touch", .type = WACOM_24HDT, /* Touch */
4607           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x333, .touch_max = 10,
4608           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4609 static const struct wacom_features wacom_features_0xC7 =
4610         { "Wacom DTU1931", 37832, 30305, 511, 0,
4611           PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4612 static const struct wacom_features wacom_features_0xCE =
4613         { "Wacom DTU2231", 47864, 27011, 511, 0,
4614           DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4615           .check_for_hid_type = true, .hid_type = HID_TYPE_USBMOUSE };
4616 static const struct wacom_features wacom_features_0xF0 =
4617         { "Wacom DTU1631", 34623, 19553, 511, 0,
4618           DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4619 static const struct wacom_features wacom_features_0xFB =
4620         { "Wacom DTU1031", 22096, 13960, 511, 0,
4621           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4622           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4623           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4624 static const struct wacom_features wacom_features_0x32F =
4625         { "Wacom DTU1031X", 22672, 12928, 511, 0,
4626           DTUSX, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 0,
4627           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4628           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4629 static const struct wacom_features wacom_features_0x336 =
4630         { "Wacom DTU1141", 23672, 13403, 1023, 0,
4631           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4632           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4633           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4634 static const struct wacom_features wacom_features_0x57 =
4635         { "Wacom DTK2241", 95840, 54260, 2047, 63,
4636           DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4637           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4638           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4639 static const struct wacom_features wacom_features_0x59 = /* Pen */
4640         { "Wacom DTH2242", 95840, 54260, 2047, 63,
4641           DTK, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 6,
4642           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4643           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4644           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5D };
4645 static const struct wacom_features wacom_features_0x5D = /* Touch */
4646         { "Wacom DTH2242",       .type = WACOM_24HDT,
4647           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x59, .touch_max = 10,
4648           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4649 static const struct wacom_features wacom_features_0xCC =
4650         { "Wacom Cintiq 21UX2", 87200, 65600, 2047, 63,
4651           WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4652           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4653           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4654 static const struct wacom_features wacom_features_0xFA =
4655         { "Wacom Cintiq 22HD", 95840, 54260, 2047, 63,
4656           WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4657           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4658           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET };
4659 static const struct wacom_features wacom_features_0x5B =
4660         { "Wacom Cintiq 22HDT", 95840, 54260, 2047, 63,
4661           WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 18,
4662           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4663           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4664           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5e };
4665 static const struct wacom_features wacom_features_0x5E =
4666         { "Wacom Cintiq 22HDT", .type = WACOM_24HDT,
4667           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x5b, .touch_max = 10,
4668           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4669 static const struct wacom_features wacom_features_0x90 =
4670         { "Wacom ISDv4 90", 26202, 16325, 255, 0,
4671           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4672 static const struct wacom_features wacom_features_0x93 =
4673         { "Wacom ISDv4 93", 26202, 16325, 255, 0,
4674           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4675 static const struct wacom_features wacom_features_0x97 =
4676         { "Wacom ISDv4 97", 26202, 16325, 511, 0,
4677           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4678 static const struct wacom_features wacom_features_0x9A =
4679         { "Wacom ISDv4 9A", 26202, 16325, 255, 0,
4680           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4681 static const struct wacom_features wacom_features_0x9F =
4682         { "Wacom ISDv4 9F", 26202, 16325, 255, 0,
4683           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4684 static const struct wacom_features wacom_features_0xE2 =
4685         { "Wacom ISDv4 E2", 26202, 16325, 255, 0,
4686           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4687 static const struct wacom_features wacom_features_0xE3 =
4688         { "Wacom ISDv4 E3", 26202, 16325, 255, 0,
4689           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4690 static const struct wacom_features wacom_features_0xE5 =
4691         { "Wacom ISDv4 E5", 26202, 16325, 255, 0,
4692           MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4693 static const struct wacom_features wacom_features_0xE6 =
4694         { "Wacom ISDv4 E6", 27760, 15694, 255, 0,
4695           TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4696 static const struct wacom_features wacom_features_0xEC =
4697         { "Wacom ISDv4 EC", 25710, 14500, 255, 0,
4698           TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4699 static const struct wacom_features wacom_features_0xED =
4700         { "Wacom ISDv4 ED", 26202, 16325, 255, 0,
4701           TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4702 static const struct wacom_features wacom_features_0xEF =
4703         { "Wacom ISDv4 EF", 26202, 16325, 255, 0,
4704           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4705 static const struct wacom_features wacom_features_0x100 =
4706         { "Wacom ISDv4 100", 26202, 16325, 255, 0,
4707           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4708 static const struct wacom_features wacom_features_0x101 =
4709         { "Wacom ISDv4 101", 26202, 16325, 255, 0,
4710           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4711 static const struct wacom_features wacom_features_0x10D =
4712         { "Wacom ISDv4 10D", 26202, 16325, 255, 0,
4713           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4714 static const struct wacom_features wacom_features_0x10E =
4715         { "Wacom ISDv4 10E", 27760, 15694, 255, 0,
4716           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4717 static const struct wacom_features wacom_features_0x10F =
4718         { "Wacom ISDv4 10F", 27760, 15694, 255, 0,
4719           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4720 static const struct wacom_features wacom_features_0x116 =
4721         { "Wacom ISDv4 116", 26202, 16325, 255, 0,
4722           TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 1 };
4723 static const struct wacom_features wacom_features_0x12C =
4724         { "Wacom ISDv4 12C", 27848, 15752, 2047, 0,
4725           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES }; /* Pen-only */
4726 static const struct wacom_features wacom_features_0x4001 =
4727         { "Wacom ISDv4 4001", 26202, 16325, 255, 0,
4728           MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4729 static const struct wacom_features wacom_features_0x4004 =
4730         { "Wacom ISDv4 4004", 11060, 6220, 255, 0,
4731           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4732 static const struct wacom_features wacom_features_0x5000 =
4733         { "Wacom ISDv4 5000", 27848, 15752, 1023, 0,
4734           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4735 static const struct wacom_features wacom_features_0x5002 =
4736         { "Wacom ISDv4 5002", 29576, 16724, 1023, 0,
4737           MTTPC_B, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4738 static const struct wacom_features wacom_features_0x47 =
4739         { "Wacom Intuos2 6x8", 20320, 16240, 1023, 31,
4740           INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4741 static const struct wacom_features wacom_features_0x84 =
4742         { "Wacom Wireless Receiver", .type = WIRELESS, .touch_max = 16 };
4743 static const struct wacom_features wacom_features_0xD0 =
4744         { "Wacom Bamboo 2FG", 14720, 9200, 1023, 31,
4745           BAMBOO_TOUCH, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4746 static const struct wacom_features wacom_features_0xD1 =
4747         { "Wacom Bamboo 2FG 4x5", 14720, 9200, 1023, 31,
4748           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4749 static const struct wacom_features wacom_features_0xD2 =
4750         { "Wacom Bamboo Craft", 14720, 9200, 1023, 31,
4751           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4752 static const struct wacom_features wacom_features_0xD3 =
4753         { "Wacom Bamboo 2FG 6x8", 21648, 13700, 1023, 31,
4754           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4755 static const struct wacom_features wacom_features_0xD4 =
4756         { "Wacom Bamboo Pen", 14720, 9200, 1023, 31,
4757           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4758 static const struct wacom_features wacom_features_0xD5 =
4759         { "Wacom Bamboo Pen 6x8", 21648, 13700, 1023, 31,
4760           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4761 static const struct wacom_features wacom_features_0xD6 =
4762         { "Wacom BambooPT 2FG 4x5", 14720, 9200, 1023, 31,
4763           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4764 static const struct wacom_features wacom_features_0xD7 =
4765         { "Wacom BambooPT 2FG Small", 14720, 9200, 1023, 31,
4766           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4767 static const struct wacom_features wacom_features_0xD8 =
4768         { "Wacom Bamboo Comic 2FG", 21648, 13700, 1023, 31,
4769           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4770 static const struct wacom_features wacom_features_0xDA =
4771         { "Wacom Bamboo 2FG 4x5 SE", 14720, 9200, 1023, 31,
4772           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4773 static const struct wacom_features wacom_features_0xDB =
4774         { "Wacom Bamboo 2FG 6x8 SE", 21648, 13700, 1023, 31,
4775           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 2 };
4776 static const struct wacom_features wacom_features_0xDD =
4777         { "Wacom Bamboo Connect", 14720, 9200, 1023, 31,
4778           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4779 static const struct wacom_features wacom_features_0xDE =
4780         { "Wacom Bamboo 16FG 4x5", 14720, 9200, 1023, 31,
4781           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4782 static const struct wacom_features wacom_features_0xDF =
4783         { "Wacom Bamboo 16FG 6x8", 21648, 13700, 1023, 31,
4784           BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16 };
4785 static const struct wacom_features wacom_features_0x300 =
4786         { "Wacom Bamboo One S", 14720, 9225, 1023, 31,
4787           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4788 static const struct wacom_features wacom_features_0x301 =
4789         { "Wacom Bamboo One M", 21648, 13530, 1023, 31,
4790           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4791 static const struct wacom_features wacom_features_0x302 =
4792         { "Wacom Intuos PT S", 15200, 9500, 1023, 31,
4793           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4794           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4795 static const struct wacom_features wacom_features_0x303 =
4796         { "Wacom Intuos PT M", 21600, 13500, 1023, 31,
4797           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4798           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4799 static const struct wacom_features wacom_features_0x30E =
4800         { "Wacom Intuos S", 15200, 9500, 1023, 31,
4801           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4802           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4803 static const struct wacom_features wacom_features_0x6004 =
4804         { "ISD-V4", 12800, 8000, 255, 0,
4805           TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4806 static const struct wacom_features wacom_features_0x307 =
4807         { "Wacom ISDv5 307", 59552, 33848, 2047, 63,
4808           CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4809           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4810           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4811           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x309 };
4812 static const struct wacom_features wacom_features_0x309 =
4813         { "Wacom ISDv5 309", .type = WACOM_24HDT, /* Touch */
4814           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x0307, .touch_max = 10,
4815           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4816 static const struct wacom_features wacom_features_0x30A =
4817         { "Wacom ISDv5 30A", 59552, 33848, 2047, 63,
4818           CINTIQ_HYBRID, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9,
4819           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4820           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4821           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30C };
4822 static const struct wacom_features wacom_features_0x30C =
4823         { "Wacom ISDv5 30C", .type = WACOM_24HDT, /* Touch */
4824           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x30A, .touch_max = 10,
4825           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4826 static const struct wacom_features wacom_features_0x318 =
4827         { "Wacom USB Bamboo PAD", 4095, 4095, /* Touch */
4828           .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4829 static const struct wacom_features wacom_features_0x319 =
4830         { "Wacom Wireless Bamboo PAD", 4095, 4095, /* Touch */
4831           .type = BAMBOO_PAD, 35, 48, .touch_max = 4 };
4832 static const struct wacom_features wacom_features_0x325 =
4833         { "Wacom ISDv5 325", 59552, 33848, 2047, 63,
4834           CINTIQ_COMPANION_2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 11,
4835           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4836           WACOM_CINTIQ_OFFSET, WACOM_CINTIQ_OFFSET,
4837           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0x326 };
4838 static const struct wacom_features wacom_features_0x326 = /* Touch */
4839         { "Wacom ISDv5 326", .type = HID_GENERIC, .oVid = USB_VENDOR_ID_WACOM,
4840           .oPid = 0x325 };
4841 static const struct wacom_features wacom_features_0x323 =
4842         { "Wacom Intuos P M", 21600, 13500, 1023, 31,
4843           INTUOSHT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4844           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4845 static const struct wacom_features wacom_features_0x331 =
4846         { "Wacom Express Key Remote", .type = REMOTE,
4847           .numbered_buttons = 18, .check_for_hid_type = true,
4848           .hid_type = HID_TYPE_USBNONE };
4849 static const struct wacom_features wacom_features_0x33B =
4850         { "Wacom Intuos S 2", 15200, 9500, 2047, 63,
4851           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4852           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4853 static const struct wacom_features wacom_features_0x33C =
4854         { "Wacom Intuos PT S 2", 15200, 9500, 2047, 63,
4855           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4856           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4857 static const struct wacom_features wacom_features_0x33D =
4858         { "Wacom Intuos P M 2", 21600, 13500, 2047, 63,
4859           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
4860           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4861 static const struct wacom_features wacom_features_0x33E =
4862         { "Wacom Intuos PT M 2", 21600, 13500, 2047, 63,
4863           INTUOSHT2, WACOM_INTUOS_RES, WACOM_INTUOS_RES, .touch_max = 16,
4864           .check_for_hid_type = true, .hid_type = HID_TYPE_USBNONE };
4865 static const struct wacom_features wacom_features_0x343 =
4866         { "Wacom DTK1651", 34816, 19759, 1023, 0,
4867           DTUS, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4,
4868           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET,
4869           WACOM_DTU_OFFSET, WACOM_DTU_OFFSET };
4870 static const struct wacom_features wacom_features_0x360 =
4871         { "Wacom Intuos Pro M", 44800, 29600, 8191, 63,
4872           INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4873 static const struct wacom_features wacom_features_0x361 =
4874         { "Wacom Intuos Pro L", 62200, 43200, 8191, 63,
4875           INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 };
4876 static const struct wacom_features wacom_features_0x377 =
4877         { "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4878           INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4879 static const struct wacom_features wacom_features_0x379 =
4880         { "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4881           INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4882 static const struct wacom_features wacom_features_0x37A =
4883         { "Wacom One by Wacom S", 15200, 9500, 2047, 63,
4884           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4885 static const struct wacom_features wacom_features_0x37B =
4886         { "Wacom One by Wacom M", 21600, 13500, 2047, 63,
4887           BAMBOO_PEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
4888 static const struct wacom_features wacom_features_0x393 =
4889         { "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4890           INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4891           .touch_max = 10 };
4892 static const struct wacom_features wacom_features_0x3c6 =
4893         { "Wacom Intuos BT S", 15200, 9500, 4095, 63,
4894           INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4895 static const struct wacom_features wacom_features_0x3c8 =
4896         { "Wacom Intuos BT M", 21600, 13500, 4095, 63,
4897           INTUOSHT3_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 4 };
4898 static const struct wacom_features wacom_features_0x3dd =
4899         { "Wacom Intuos Pro S", 31920, 19950, 8191, 63,
4900           INTUOSP2S_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 7,
4901           .touch_max = 10 };
4902
4903 static const struct wacom_features wacom_features_HID_ANY_ID =
4904         { "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID };
4905
4906 static const struct wacom_features wacom_features_0x94 =
4907         { "Wacom Bootloader", .type = BOOTLOADER };
4908
4909 #define USB_DEVICE_WACOM(prod)                                          \
4910         HID_DEVICE(BUS_USB, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4911         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4912
4913 #define BT_DEVICE_WACOM(prod)                                           \
4914         HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4915         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4916
4917 #define I2C_DEVICE_WACOM(prod)                                          \
4918         HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
4919         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4920
4921 #define USB_DEVICE_LENOVO(prod)                                 \
4922         HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),                     \
4923         .driver_data = (kernel_ulong_t)&wacom_features_##prod
4924
4925 const struct hid_device_id wacom_ids[] = {
4926         { USB_DEVICE_WACOM(0x00) },
4927         { USB_DEVICE_WACOM(0x03) },
4928         { USB_DEVICE_WACOM(0x10) },
4929         { USB_DEVICE_WACOM(0x11) },
4930         { USB_DEVICE_WACOM(0x12) },
4931         { USB_DEVICE_WACOM(0x13) },
4932         { USB_DEVICE_WACOM(0x14) },
4933         { USB_DEVICE_WACOM(0x15) },
4934         { USB_DEVICE_WACOM(0x16) },
4935         { USB_DEVICE_WACOM(0x17) },
4936         { USB_DEVICE_WACOM(0x18) },
4937         { USB_DEVICE_WACOM(0x19) },
4938         { USB_DEVICE_WACOM(0x20) },
4939         { USB_DEVICE_WACOM(0x21) },
4940         { USB_DEVICE_WACOM(0x22) },
4941         { USB_DEVICE_WACOM(0x23) },
4942         { USB_DEVICE_WACOM(0x24) },
4943         { USB_DEVICE_WACOM(0x26) },
4944         { USB_DEVICE_WACOM(0x27) },
4945         { USB_DEVICE_WACOM(0x28) },
4946         { USB_DEVICE_WACOM(0x29) },
4947         { USB_DEVICE_WACOM(0x2A) },
4948         { USB_DEVICE_WACOM(0x30) },
4949         { USB_DEVICE_WACOM(0x31) },
4950         { USB_DEVICE_WACOM(0x32) },
4951         { USB_DEVICE_WACOM(0x33) },
4952         { USB_DEVICE_WACOM(0x34) },
4953         { USB_DEVICE_WACOM(0x35) },
4954         { USB_DEVICE_WACOM(0x37) },
4955         { USB_DEVICE_WACOM(0x38) },
4956         { USB_DEVICE_WACOM(0x39) },
4957         { USB_DEVICE_WACOM(0x3F) },
4958         { USB_DEVICE_WACOM(0x41) },
4959         { USB_DEVICE_WACOM(0x42) },
4960         { USB_DEVICE_WACOM(0x43) },
4961         { USB_DEVICE_WACOM(0x44) },
4962         { USB_DEVICE_WACOM(0x45) },
4963         { USB_DEVICE_WACOM(0x47) },
4964         { USB_DEVICE_WACOM(0x57) },
4965         { USB_DEVICE_WACOM(0x59) },
4966         { USB_DEVICE_WACOM(0x5B) },
4967         { USB_DEVICE_WACOM(0x5D) },
4968         { USB_DEVICE_WACOM(0x5E) },
4969         { USB_DEVICE_WACOM(0x60) },
4970         { USB_DEVICE_WACOM(0x61) },
4971         { USB_DEVICE_WACOM(0x62) },
4972         { USB_DEVICE_WACOM(0x63) },
4973         { USB_DEVICE_WACOM(0x64) },
4974         { USB_DEVICE_WACOM(0x65) },
4975         { USB_DEVICE_WACOM(0x69) },
4976         { USB_DEVICE_WACOM(0x6A) },
4977         { USB_DEVICE_WACOM(0x6B) },
4978         { BT_DEVICE_WACOM(0x81) },
4979         { USB_DEVICE_WACOM(0x84) },
4980         { USB_DEVICE_WACOM(0x90) },
4981         { USB_DEVICE_WACOM(0x93) },
4982         { USB_DEVICE_WACOM(0x94) },
4983         { USB_DEVICE_WACOM(0x97) },
4984         { USB_DEVICE_WACOM(0x9A) },
4985         { USB_DEVICE_WACOM(0x9F) },
4986         { USB_DEVICE_WACOM(0xB0) },
4987         { USB_DEVICE_WACOM(0xB1) },
4988         { USB_DEVICE_WACOM(0xB2) },
4989         { USB_DEVICE_WACOM(0xB3) },
4990         { USB_DEVICE_WACOM(0xB4) },
4991         { USB_DEVICE_WACOM(0xB5) },
4992         { USB_DEVICE_WACOM(0xB7) },
4993         { USB_DEVICE_WACOM(0xB8) },
4994         { USB_DEVICE_WACOM(0xB9) },
4995         { USB_DEVICE_WACOM(0xBA) },
4996         { USB_DEVICE_WACOM(0xBB) },
4997         { USB_DEVICE_WACOM(0xBC) },
4998         { BT_DEVICE_WACOM(0xBD) },
4999         { USB_DEVICE_WACOM(0xC0) },
5000         { USB_DEVICE_WACOM(0xC2) },
5001         { USB_DEVICE_WACOM(0xC4) },
5002         { USB_DEVICE_WACOM(0xC5) },
5003         { USB_DEVICE_WACOM(0xC6) },
5004         { USB_DEVICE_WACOM(0xC7) },
5005         { USB_DEVICE_WACOM(0xCC) },
5006         { USB_DEVICE_WACOM(0xCE) },
5007         { USB_DEVICE_WACOM(0xD0) },
5008         { USB_DEVICE_WACOM(0xD1) },
5009         { USB_DEVICE_WACOM(0xD2) },
5010         { USB_DEVICE_WACOM(0xD3) },
5011         { USB_DEVICE_WACOM(0xD4) },
5012         { USB_DEVICE_WACOM(0xD5) },
5013         { USB_DEVICE_WACOM(0xD6) },
5014         { USB_DEVICE_WACOM(0xD7) },
5015         { USB_DEVICE_WACOM(0xD8) },
5016         { USB_DEVICE_WACOM(0xDA) },
5017         { USB_DEVICE_WACOM(0xDB) },
5018         { USB_DEVICE_WACOM(0xDD) },
5019         { USB_DEVICE_WACOM(0xDE) },
5020         { USB_DEVICE_WACOM(0xDF) },
5021         { USB_DEVICE_WACOM(0xE2) },
5022         { USB_DEVICE_WACOM(0xE3) },
5023         { USB_DEVICE_WACOM(0xE5) },
5024         { USB_DEVICE_WACOM(0xE6) },
5025         { USB_DEVICE_WACOM(0xEC) },
5026         { USB_DEVICE_WACOM(0xED) },
5027         { USB_DEVICE_WACOM(0xEF) },
5028         { USB_DEVICE_WACOM(0xF0) },
5029         { USB_DEVICE_WACOM(0xF4) },
5030         { USB_DEVICE_WACOM(0xF6) },
5031         { USB_DEVICE_WACOM(0xF8) },
5032         { USB_DEVICE_WACOM(0xFA) },
5033         { USB_DEVICE_WACOM(0xFB) },
5034         { USB_DEVICE_WACOM(0x100) },
5035         { USB_DEVICE_WACOM(0x101) },
5036         { USB_DEVICE_WACOM(0x10D) },
5037         { USB_DEVICE_WACOM(0x10E) },
5038         { USB_DEVICE_WACOM(0x10F) },
5039         { USB_DEVICE_WACOM(0x116) },
5040         { USB_DEVICE_WACOM(0x12C) },
5041         { USB_DEVICE_WACOM(0x300) },
5042         { USB_DEVICE_WACOM(0x301) },
5043         { USB_DEVICE_WACOM(0x302) },
5044         { USB_DEVICE_WACOM(0x303) },
5045         { USB_DEVICE_WACOM(0x304) },
5046         { USB_DEVICE_WACOM(0x307) },
5047         { USB_DEVICE_WACOM(0x309) },
5048         { USB_DEVICE_WACOM(0x30A) },
5049         { USB_DEVICE_WACOM(0x30C) },
5050         { USB_DEVICE_WACOM(0x30E) },
5051         { USB_DEVICE_WACOM(0x314) },
5052         { USB_DEVICE_WACOM(0x315) },
5053         { USB_DEVICE_WACOM(0x317) },
5054         { USB_DEVICE_WACOM(0x318) },
5055         { USB_DEVICE_WACOM(0x319) },
5056         { USB_DEVICE_WACOM(0x323) },
5057         { USB_DEVICE_WACOM(0x325) },
5058         { USB_DEVICE_WACOM(0x326) },
5059         { USB_DEVICE_WACOM(0x32A) },
5060         { USB_DEVICE_WACOM(0x32B) },
5061         { USB_DEVICE_WACOM(0x32C) },
5062         { USB_DEVICE_WACOM(0x32F) },
5063         { USB_DEVICE_WACOM(0x331) },
5064         { USB_DEVICE_WACOM(0x333) },
5065         { USB_DEVICE_WACOM(0x335) },
5066         { USB_DEVICE_WACOM(0x336) },
5067         { USB_DEVICE_WACOM(0x33B) },
5068         { USB_DEVICE_WACOM(0x33C) },
5069         { USB_DEVICE_WACOM(0x33D) },
5070         { USB_DEVICE_WACOM(0x33E) },
5071         { USB_DEVICE_WACOM(0x343) },
5072         { BT_DEVICE_WACOM(0x360) },
5073         { BT_DEVICE_WACOM(0x361) },
5074         { BT_DEVICE_WACOM(0x377) },
5075         { BT_DEVICE_WACOM(0x379) },
5076         { USB_DEVICE_WACOM(0x37A) },
5077         { USB_DEVICE_WACOM(0x37B) },
5078         { BT_DEVICE_WACOM(0x393) },
5079         { BT_DEVICE_WACOM(0x3c6) },
5080         { BT_DEVICE_WACOM(0x3c8) },
5081         { BT_DEVICE_WACOM(0x3dd) },
5082         { USB_DEVICE_WACOM(0x4001) },
5083         { USB_DEVICE_WACOM(0x4004) },
5084         { USB_DEVICE_WACOM(0x5000) },
5085         { USB_DEVICE_WACOM(0x5002) },
5086         { USB_DEVICE_LENOVO(0x6004) },
5087
5088         { USB_DEVICE_WACOM(HID_ANY_ID) },
5089         { I2C_DEVICE_WACOM(HID_ANY_ID) },
5090         { BT_DEVICE_WACOM(HID_ANY_ID) },
5091         { }
5092 };
5093 MODULE_DEVICE_TABLE(hid, wacom_ids);