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Input: wacom - add touch sensor support for Cintiq 24HD touch
[~shefty/rdma-dev.git] / drivers / input / tablet / wacom_wac.c
1 /*
2  * drivers/input/tablet/wacom_wac.c
3  *
4  *  USB Wacom tablet support - Wacom specific code
5  *
6  */
7
8 /*
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  */
14
15 #include "wacom_wac.h"
16 #include "wacom.h"
17 #include <linux/input/mt.h>
18 #include <linux/hid.h>
19
20 /* resolution for penabled devices */
21 #define WACOM_PL_RES            20
22 #define WACOM_PENPRTN_RES       40
23 #define WACOM_VOLITO_RES        50
24 #define WACOM_GRAPHIRE_RES      80
25 #define WACOM_INTUOS_RES        100
26 #define WACOM_INTUOS3_RES       200
27
28 /* Scale factor relating reported contact size to logical contact area.
29  * 2^14/pi is a good approximation on Intuos5 and 3rd-gen Bamboo
30  */
31 #define WACOM_CONTACT_AREA_SCALE 2607
32
33 static int wacom_penpartner_irq(struct wacom_wac *wacom)
34 {
35         unsigned char *data = wacom->data;
36         struct input_dev *input = wacom->input;
37
38         switch (data[0]) {
39         case 1:
40                 if (data[5] & 0x80) {
41                         wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
42                         wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
43                         input_report_key(input, wacom->tool[0], 1);
44                         input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
45                         input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
46                         input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
47                         input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
48                         input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
49                         input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
50                 } else {
51                         input_report_key(input, wacom->tool[0], 0);
52                         input_report_abs(input, ABS_MISC, 0); /* report tool id */
53                         input_report_abs(input, ABS_PRESSURE, -1);
54                         input_report_key(input, BTN_TOUCH, 0);
55                 }
56                 break;
57
58         case 2:
59                 input_report_key(input, BTN_TOOL_PEN, 1);
60                 input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
61                 input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
62                 input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
63                 input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
64                 input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
65                 input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
66                 break;
67
68         default:
69                 dev_dbg(input->dev.parent,
70                         "%s: received unknown report #%d\n", __func__, data[0]);
71                 return 0;
72         }
73
74         return 1;
75 }
76
77 static int wacom_pl_irq(struct wacom_wac *wacom)
78 {
79         struct wacom_features *features = &wacom->features;
80         unsigned char *data = wacom->data;
81         struct input_dev *input = wacom->input;
82         int prox, pressure;
83
84         if (data[0] != WACOM_REPORT_PENABLED) {
85                 dev_dbg(input->dev.parent,
86                         "%s: received unknown report #%d\n", __func__, data[0]);
87                 return 0;
88         }
89
90         prox = data[1] & 0x40;
91
92         if (prox) {
93                 wacom->id[0] = ERASER_DEVICE_ID;
94                 pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
95                 if (features->pressure_max > 255)
96                         pressure = (pressure << 1) | ((data[4] >> 6) & 1);
97                 pressure += (features->pressure_max + 1) / 2;
98
99                 /*
100                  * if going from out of proximity into proximity select between the eraser
101                  * and the pen based on the state of the stylus2 button, choose eraser if
102                  * pressed else choose pen. if not a proximity change from out to in, send
103                  * an out of proximity for previous tool then a in for new tool.
104                  */
105                 if (!wacom->tool[0]) {
106                         /* Eraser bit set for DTF */
107                         if (data[1] & 0x10)
108                                 wacom->tool[1] = BTN_TOOL_RUBBER;
109                         else
110                                 /* Going into proximity select tool */
111                                 wacom->tool[1] = (data[4] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
112                 } else {
113                         /* was entered with stylus2 pressed */
114                         if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
115                                 /* report out proximity for previous tool */
116                                 input_report_key(input, wacom->tool[1], 0);
117                                 input_sync(input);
118                                 wacom->tool[1] = BTN_TOOL_PEN;
119                                 return 0;
120                         }
121                 }
122                 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
123                         /* Unknown tool selected default to pen tool */
124                         wacom->tool[1] = BTN_TOOL_PEN;
125                         wacom->id[0] = STYLUS_DEVICE_ID;
126                 }
127                 input_report_key(input, wacom->tool[1], prox); /* report in proximity for tool */
128                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
129                 input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
130                 input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
131                 input_report_abs(input, ABS_PRESSURE, pressure);
132
133                 input_report_key(input, BTN_TOUCH, data[4] & 0x08);
134                 input_report_key(input, BTN_STYLUS, data[4] & 0x10);
135                 /* Only allow the stylus2 button to be reported for the pen tool. */
136                 input_report_key(input, BTN_STYLUS2, (wacom->tool[1] == BTN_TOOL_PEN) && (data[4] & 0x20));
137         } else {
138                 /* report proximity-out of a (valid) tool */
139                 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
140                         /* Unknown tool selected default to pen tool */
141                         wacom->tool[1] = BTN_TOOL_PEN;
142                 }
143                 input_report_key(input, wacom->tool[1], prox);
144         }
145
146         wacom->tool[0] = prox; /* Save proximity state */
147         return 1;
148 }
149
150 static int wacom_ptu_irq(struct wacom_wac *wacom)
151 {
152         unsigned char *data = wacom->data;
153         struct input_dev *input = wacom->input;
154
155         if (data[0] != WACOM_REPORT_PENABLED) {
156                 dev_dbg(input->dev.parent,
157                         "%s: received unknown report #%d\n", __func__, data[0]);
158                 return 0;
159         }
160
161         if (data[1] & 0x04) {
162                 input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
163                 input_report_key(input, BTN_TOUCH, data[1] & 0x08);
164                 wacom->id[0] = ERASER_DEVICE_ID;
165         } else {
166                 input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
167                 input_report_key(input, BTN_TOUCH, data[1] & 0x01);
168                 wacom->id[0] = STYLUS_DEVICE_ID;
169         }
170         input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
171         input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
172         input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
173         input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
174         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
175         input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
176         return 1;
177 }
178
179 static int wacom_dtu_irq(struct wacom_wac *wacom)
180 {
181         struct wacom_features *features = &wacom->features;
182         char *data = wacom->data;
183         struct input_dev *input = wacom->input;
184         int prox = data[1] & 0x20, pressure;
185
186         dev_dbg(input->dev.parent,
187                 "%s: received report #%d", __func__, data[0]);
188
189         if (prox) {
190                 /* Going into proximity select tool */
191                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
192                 if (wacom->tool[0] == BTN_TOOL_PEN)
193                         wacom->id[0] = STYLUS_DEVICE_ID;
194                 else
195                         wacom->id[0] = ERASER_DEVICE_ID;
196         }
197         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
198         input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
199         input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
200         input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
201         pressure = ((data[7] & 0x01) << 8) | data[6];
202         if (pressure < 0)
203                 pressure = features->pressure_max + pressure + 1;
204         input_report_abs(input, ABS_PRESSURE, pressure);
205         input_report_key(input, BTN_TOUCH, data[1] & 0x05);
206         if (!prox) /* out-prox */
207                 wacom->id[0] = 0;
208         input_report_key(input, wacom->tool[0], prox);
209         input_report_abs(input, ABS_MISC, wacom->id[0]);
210         return 1;
211 }
212
213 static int wacom_graphire_irq(struct wacom_wac *wacom)
214 {
215         struct wacom_features *features = &wacom->features;
216         unsigned char *data = wacom->data;
217         struct input_dev *input = wacom->input;
218         int prox;
219         int rw = 0;
220         int retval = 0;
221
222         if (data[0] != WACOM_REPORT_PENABLED) {
223                 dev_dbg(input->dev.parent,
224                         "%s: received unknown report #%d\n", __func__, data[0]);
225                 goto exit;
226         }
227
228         prox = data[1] & 0x80;
229         if (prox || wacom->id[0]) {
230                 if (prox) {
231                         switch ((data[1] >> 5) & 3) {
232
233                         case 0: /* Pen */
234                                 wacom->tool[0] = BTN_TOOL_PEN;
235                                 wacom->id[0] = STYLUS_DEVICE_ID;
236                                 break;
237
238                         case 1: /* Rubber */
239                                 wacom->tool[0] = BTN_TOOL_RUBBER;
240                                 wacom->id[0] = ERASER_DEVICE_ID;
241                                 break;
242
243                         case 2: /* Mouse with wheel */
244                                 input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
245                                 /* fall through */
246
247                         case 3: /* Mouse without wheel */
248                                 wacom->tool[0] = BTN_TOOL_MOUSE;
249                                 wacom->id[0] = CURSOR_DEVICE_ID;
250                                 break;
251                         }
252                 }
253                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
254                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
255                 if (wacom->tool[0] != BTN_TOOL_MOUSE) {
256                         input_report_abs(input, ABS_PRESSURE, data[6] | ((data[7] & 0x03) << 8));
257                         input_report_key(input, BTN_TOUCH, data[1] & 0x01);
258                         input_report_key(input, BTN_STYLUS, data[1] & 0x02);
259                         input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
260                 } else {
261                         input_report_key(input, BTN_LEFT, data[1] & 0x01);
262                         input_report_key(input, BTN_RIGHT, data[1] & 0x02);
263                         if (features->type == WACOM_G4 ||
264                                         features->type == WACOM_MO) {
265                                 input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
266                                 rw = (data[7] & 0x04) - (data[7] & 0x03);
267                         } else {
268                                 input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
269                                 rw = -(signed char)data[6];
270                         }
271                         input_report_rel(input, REL_WHEEL, rw);
272                 }
273
274                 if (!prox)
275                         wacom->id[0] = 0;
276                 input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
277                 input_report_key(input, wacom->tool[0], prox);
278                 input_event(input, EV_MSC, MSC_SERIAL, 1);
279                 input_sync(input); /* sync last event */
280         }
281
282         /* send pad data */
283         switch (features->type) {
284         case WACOM_G4:
285                 prox = data[7] & 0xf8;
286                 if (prox || wacom->id[1]) {
287                         wacom->id[1] = PAD_DEVICE_ID;
288                         input_report_key(input, BTN_BACK, (data[7] & 0x40));
289                         input_report_key(input, BTN_FORWARD, (data[7] & 0x80));
290                         rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
291                         input_report_rel(input, REL_WHEEL, rw);
292                         if (!prox)
293                                 wacom->id[1] = 0;
294                         input_report_abs(input, ABS_MISC, wacom->id[1]);
295                         input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
296                         retval = 1;
297                 }
298                 break;
299
300         case WACOM_MO:
301                 prox = (data[7] & 0xf8) || data[8];
302                 if (prox || wacom->id[1]) {
303                         wacom->id[1] = PAD_DEVICE_ID;
304                         input_report_key(input, BTN_BACK, (data[7] & 0x08));
305                         input_report_key(input, BTN_LEFT, (data[7] & 0x20));
306                         input_report_key(input, BTN_FORWARD, (data[7] & 0x10));
307                         input_report_key(input, BTN_RIGHT, (data[7] & 0x40));
308                         input_report_abs(input, ABS_WHEEL, (data[8] & 0x7f));
309                         if (!prox)
310                                 wacom->id[1] = 0;
311                         input_report_abs(input, ABS_MISC, wacom->id[1]);
312                         input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
313                         retval = 1;
314                 }
315                 break;
316         }
317 exit:
318         return retval;
319 }
320
321 static int wacom_intuos_inout(struct wacom_wac *wacom)
322 {
323         struct wacom_features *features = &wacom->features;
324         unsigned char *data = wacom->data;
325         struct input_dev *input = wacom->input;
326         int idx = 0;
327
328         /* tool number */
329         if (features->type == INTUOS)
330                 idx = data[1] & 0x01;
331
332         /* Enter report */
333         if ((data[1] & 0xfc) == 0xc0) {
334                 if (features->quirks == WACOM_QUIRK_MULTI_INPUT)
335                         wacom->shared->stylus_in_proximity = true;
336
337                 /* serial number of the tool */
338                 wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
339                         (data[4] << 20) + (data[5] << 12) +
340                         (data[6] << 4) + (data[7] >> 4);
341
342                 wacom->id[idx] = (data[2] << 4) | (data[3] >> 4) |
343                         ((data[7] & 0x0f) << 20) | ((data[8] & 0xf0) << 12);
344
345                 switch (wacom->id[idx] & 0xfffff) {
346                 case 0x812: /* Inking pen */
347                 case 0x801: /* Intuos3 Inking pen */
348                 case 0x20802: /* Intuos4 Inking Pen */
349                 case 0x012:
350                         wacom->tool[idx] = BTN_TOOL_PENCIL;
351                         break;
352
353                 case 0x822: /* Pen */
354                 case 0x842:
355                 case 0x852:
356                 case 0x823: /* Intuos3 Grip Pen */
357                 case 0x813: /* Intuos3 Classic Pen */
358                 case 0x885: /* Intuos3 Marker Pen */
359                 case 0x802: /* Intuos4 General Pen */
360                 case 0x804: /* Intuos4 Marker Pen */
361                 case 0x40802: /* Intuos4 Classic Pen */
362                 case 0x022:
363                         wacom->tool[idx] = BTN_TOOL_PEN;
364                         break;
365
366                 case 0x832: /* Stroke pen */
367                 case 0x032:
368                         wacom->tool[idx] = BTN_TOOL_BRUSH;
369                         break;
370
371                 case 0x007: /* Mouse 4D and 2D */
372                 case 0x09c:
373                 case 0x094:
374                 case 0x017: /* Intuos3 2D Mouse */
375                 case 0x806: /* Intuos4 Mouse */
376                         wacom->tool[idx] = BTN_TOOL_MOUSE;
377                         break;
378
379                 case 0x096: /* Lens cursor */
380                 case 0x097: /* Intuos3 Lens cursor */
381                 case 0x006: /* Intuos4 Lens cursor */
382                         wacom->tool[idx] = BTN_TOOL_LENS;
383                         break;
384
385                 case 0x82a: /* Eraser */
386                 case 0x85a:
387                 case 0x91a:
388                 case 0xd1a:
389                 case 0x0fa:
390                 case 0x82b: /* Intuos3 Grip Pen Eraser */
391                 case 0x81b: /* Intuos3 Classic Pen Eraser */
392                 case 0x91b: /* Intuos3 Airbrush Eraser */
393                 case 0x80c: /* Intuos4 Marker Pen Eraser */
394                 case 0x80a: /* Intuos4 General Pen Eraser */
395                 case 0x4080a: /* Intuos4 Classic Pen Eraser */
396                 case 0x90a: /* Intuos4 Airbrush Eraser */
397                         wacom->tool[idx] = BTN_TOOL_RUBBER;
398                         break;
399
400                 case 0xd12:
401                 case 0x912:
402                 case 0x112:
403                 case 0x913: /* Intuos3 Airbrush */
404                 case 0x902: /* Intuos4 Airbrush */
405                         wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
406                         break;
407
408                 default: /* Unknown tool */
409                         wacom->tool[idx] = BTN_TOOL_PEN;
410                         break;
411                 }
412                 return 1;
413         }
414
415         /* older I4 styli don't work with new Cintiqs */
416         if (!((wacom->id[idx] >> 20) & 0x01) &&
417                         (features->type == WACOM_21UX2))
418                 return 1;
419
420         /* Exit report */
421         if ((data[1] & 0xfe) == 0x80) {
422                 if (features->quirks == WACOM_QUIRK_MULTI_INPUT)
423                         wacom->shared->stylus_in_proximity = false;
424
425                 /*
426                  * Reset all states otherwise we lose the initial states
427                  * when in-prox next time
428                  */
429                 input_report_abs(input, ABS_X, 0);
430                 input_report_abs(input, ABS_Y, 0);
431                 input_report_abs(input, ABS_DISTANCE, 0);
432                 input_report_abs(input, ABS_TILT_X, 0);
433                 input_report_abs(input, ABS_TILT_Y, 0);
434                 if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
435                         input_report_key(input, BTN_LEFT, 0);
436                         input_report_key(input, BTN_MIDDLE, 0);
437                         input_report_key(input, BTN_RIGHT, 0);
438                         input_report_key(input, BTN_SIDE, 0);
439                         input_report_key(input, BTN_EXTRA, 0);
440                         input_report_abs(input, ABS_THROTTLE, 0);
441                         input_report_abs(input, ABS_RZ, 0);
442                 } else {
443                         input_report_abs(input, ABS_PRESSURE, 0);
444                         input_report_key(input, BTN_STYLUS, 0);
445                         input_report_key(input, BTN_STYLUS2, 0);
446                         input_report_key(input, BTN_TOUCH, 0);
447                         input_report_abs(input, ABS_WHEEL, 0);
448                         if (features->type >= INTUOS3S)
449                                 input_report_abs(input, ABS_Z, 0);
450                 }
451                 input_report_key(input, wacom->tool[idx], 0);
452                 input_report_abs(input, ABS_MISC, 0); /* reset tool id */
453                 input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
454                 wacom->id[idx] = 0;
455                 return 2;
456         }
457         return 0;
458 }
459
460 static void wacom_intuos_general(struct wacom_wac *wacom)
461 {
462         struct wacom_features *features = &wacom->features;
463         unsigned char *data = wacom->data;
464         struct input_dev *input = wacom->input;
465         unsigned int t;
466
467         /* general pen packet */
468         if ((data[1] & 0xb8) == 0xa0) {
469                 t = (data[6] << 2) | ((data[7] >> 6) & 3);
470                 if ((features->type >= INTUOS4S && features->type <= INTUOS4L) ||
471                     (features->type >= INTUOS5S && features->type <= INTUOS5L) ||
472                     (features->type >= WACOM_21UX2 && features->type <= WACOM_24HD)) {
473                         t = (t << 1) | (data[1] & 1);
474                 }
475                 input_report_abs(input, ABS_PRESSURE, t);
476                 input_report_abs(input, ABS_TILT_X,
477                                 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
478                 input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
479                 input_report_key(input, BTN_STYLUS, data[1] & 2);
480                 input_report_key(input, BTN_STYLUS2, data[1] & 4);
481                 input_report_key(input, BTN_TOUCH, t > 10);
482         }
483
484         /* airbrush second packet */
485         if ((data[1] & 0xbc) == 0xb4) {
486                 input_report_abs(input, ABS_WHEEL,
487                                 (data[6] << 2) | ((data[7] >> 6) & 3));
488                 input_report_abs(input, ABS_TILT_X,
489                                 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
490                 input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
491         }
492 }
493
494 static int wacom_intuos_irq(struct wacom_wac *wacom)
495 {
496         struct wacom_features *features = &wacom->features;
497         unsigned char *data = wacom->data;
498         struct input_dev *input = wacom->input;
499         unsigned int t;
500         int idx = 0, result;
501
502         if (data[0] != WACOM_REPORT_PENABLED &&
503             data[0] != WACOM_REPORT_INTUOSREAD &&
504             data[0] != WACOM_REPORT_INTUOSWRITE &&
505             data[0] != WACOM_REPORT_INTUOSPAD &&
506             data[0] != WACOM_REPORT_INTUOS5PAD) {
507                 dev_dbg(input->dev.parent,
508                         "%s: received unknown report #%d\n", __func__, data[0]);
509                 return 0;
510         }
511
512         /* tool number */
513         if (features->type == INTUOS)
514                 idx = data[1] & 0x01;
515
516         /* pad packets. Works as a second tool and is always in prox */
517         if (data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD) {
518                 if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
519                         input_report_key(input, BTN_0, (data[2] & 0x01));
520                         input_report_key(input, BTN_1, (data[3] & 0x01));
521                         input_report_key(input, BTN_2, (data[3] & 0x02));
522                         input_report_key(input, BTN_3, (data[3] & 0x04));
523                         input_report_key(input, BTN_4, (data[3] & 0x08));
524                         input_report_key(input, BTN_5, (data[3] & 0x10));
525                         input_report_key(input, BTN_6, (data[3] & 0x20));
526                         if (data[1] & 0x80) {
527                                 input_report_abs(input, ABS_WHEEL, (data[1] & 0x7f));
528                         } else {
529                                 /* Out of proximity, clear wheel value. */
530                                 input_report_abs(input, ABS_WHEEL, 0);
531                         }
532                         if (features->type != INTUOS4S) {
533                                 input_report_key(input, BTN_7, (data[3] & 0x40));
534                                 input_report_key(input, BTN_8, (data[3] & 0x80));
535                         }
536                         if (data[1] | (data[2] & 0x01) | data[3]) {
537                                 input_report_key(input, wacom->tool[1], 1);
538                                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
539                         } else {
540                                 input_report_key(input, wacom->tool[1], 0);
541                                 input_report_abs(input, ABS_MISC, 0);
542                         }
543                 } else if (features->type == WACOM_24HD) {
544                         input_report_key(input, BTN_0, (data[6] & 0x01));
545                         input_report_key(input, BTN_1, (data[6] & 0x02));
546                         input_report_key(input, BTN_2, (data[6] & 0x04));
547                         input_report_key(input, BTN_3, (data[6] & 0x08));
548                         input_report_key(input, BTN_4, (data[6] & 0x10));
549                         input_report_key(input, BTN_5, (data[6] & 0x20));
550                         input_report_key(input, BTN_6, (data[6] & 0x40));
551                         input_report_key(input, BTN_7, (data[6] & 0x80));
552                         input_report_key(input, BTN_8, (data[8] & 0x01));
553                         input_report_key(input, BTN_9, (data[8] & 0x02));
554                         input_report_key(input, BTN_A, (data[8] & 0x04));
555                         input_report_key(input, BTN_B, (data[8] & 0x08));
556                         input_report_key(input, BTN_C, (data[8] & 0x10));
557                         input_report_key(input, BTN_X, (data[8] & 0x20));
558                         input_report_key(input, BTN_Y, (data[8] & 0x40));
559                         input_report_key(input, BTN_Z, (data[8] & 0x80));
560
561                         /*
562                          * Three "buttons" are available on the 24HD which are
563                          * physically implemented as a touchstrip. Each button
564                          * is approximately 3 bits wide with a 2 bit spacing.
565                          * The raw touchstrip bits are stored at:
566                          *    ((data[3] & 0x1f) << 8) | data[4])
567                          */
568                         input_report_key(input, KEY_PROG1, data[4] & 0x07);
569                         input_report_key(input, KEY_PROG2, data[4] & 0xE0);
570                         input_report_key(input, KEY_PROG3, data[3] & 0x1C);
571
572                         if (data[1] & 0x80) {
573                                 input_report_abs(input, ABS_WHEEL, (data[1] & 0x7f));
574                         } else {
575                                 /* Out of proximity, clear wheel value. */
576                                 input_report_abs(input, ABS_WHEEL, 0);
577                         }
578
579                         if (data[2] & 0x80) {
580                                 input_report_abs(input, ABS_THROTTLE, (data[2] & 0x7f));
581                         } else {
582                                 /* Out of proximity, clear second wheel value. */
583                                 input_report_abs(input, ABS_THROTTLE, 0);
584                         }
585
586                         if (data[1] | data[2] | (data[3] & 0x1f) | data[4] | data[6] | data[8]) {
587                                 input_report_key(input, wacom->tool[1], 1);
588                                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
589                         } else {
590                                 input_report_key(input, wacom->tool[1], 0);
591                                 input_report_abs(input, ABS_MISC, 0);
592                         }
593                 } else if (features->type >= INTUOS5S && features->type <= INTUOS5L) {
594                         int i;
595
596                         /* Touch ring mode switch has no capacitive sensor */
597                         input_report_key(input, BTN_0, (data[3] & 0x01));
598
599                         /*
600                          * ExpressKeys on Intuos5 have a capacitive sensor in
601                          * addition to the mechanical switch. Switch data is
602                          * stored in data[4], capacitive data in data[5].
603                          */
604                         for (i = 0; i < 8; i++)
605                                 input_report_key(input, BTN_1 + i, data[4] & (1 << i));
606
607                         if (data[2] & 0x80) {
608                                 input_report_abs(input, ABS_WHEEL, (data[2] & 0x7f));
609                         } else {
610                                 /* Out of proximity, clear wheel value. */
611                                 input_report_abs(input, ABS_WHEEL, 0);
612                         }
613
614                         if (data[2] | (data[3] & 0x01) | data[4] | data[5]) {
615                                 input_report_key(input, wacom->tool[1], 1);
616                                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
617                         } else {
618                                 input_report_key(input, wacom->tool[1], 0);
619                                 input_report_abs(input, ABS_MISC, 0);
620                         }
621                 } else {
622                         if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
623                                 input_report_key(input, BTN_0, (data[5] & 0x01));
624                                 input_report_key(input, BTN_1, (data[6] & 0x01));
625                                 input_report_key(input, BTN_2, (data[6] & 0x02));
626                                 input_report_key(input, BTN_3, (data[6] & 0x04));
627                                 input_report_key(input, BTN_4, (data[6] & 0x08));
628                                 input_report_key(input, BTN_5, (data[6] & 0x10));
629                                 input_report_key(input, BTN_6, (data[6] & 0x20));
630                                 input_report_key(input, BTN_7, (data[6] & 0x40));
631                                 input_report_key(input, BTN_8, (data[6] & 0x80));
632                                 input_report_key(input, BTN_9, (data[7] & 0x01));
633                                 input_report_key(input, BTN_A, (data[8] & 0x01));
634                                 input_report_key(input, BTN_B, (data[8] & 0x02));
635                                 input_report_key(input, BTN_C, (data[8] & 0x04));
636                                 input_report_key(input, BTN_X, (data[8] & 0x08));
637                                 input_report_key(input, BTN_Y, (data[8] & 0x10));
638                                 input_report_key(input, BTN_Z, (data[8] & 0x20));
639                                 input_report_key(input, BTN_BASE, (data[8] & 0x40));
640                                 input_report_key(input, BTN_BASE2, (data[8] & 0x80));
641
642                                 if (features->type == WACOM_22HD) {
643                                         input_report_key(input, KEY_PROG1, data[9] & 0x01);
644                                         input_report_key(input, KEY_PROG2, data[9] & 0x02);
645                                         input_report_key(input, KEY_PROG3, data[9] & 0x04);
646                                 }
647                         } else {
648                                 input_report_key(input, BTN_0, (data[5] & 0x01));
649                                 input_report_key(input, BTN_1, (data[5] & 0x02));
650                                 input_report_key(input, BTN_2, (data[5] & 0x04));
651                                 input_report_key(input, BTN_3, (data[5] & 0x08));
652                                 input_report_key(input, BTN_4, (data[6] & 0x01));
653                                 input_report_key(input, BTN_5, (data[6] & 0x02));
654                                 input_report_key(input, BTN_6, (data[6] & 0x04));
655                                 input_report_key(input, BTN_7, (data[6] & 0x08));
656                                 input_report_key(input, BTN_8, (data[5] & 0x10));
657                                 input_report_key(input, BTN_9, (data[6] & 0x10));
658                         }
659                         input_report_abs(input, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
660                         input_report_abs(input, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
661
662                         if ((data[5] & 0x1f) | data[6] | (data[1] & 0x1f) |
663                                 data[2] | (data[3] & 0x1f) | data[4] | data[8] |
664                                 (data[7] & 0x01)) {
665                                 input_report_key(input, wacom->tool[1], 1);
666                                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
667                         } else {
668                                 input_report_key(input, wacom->tool[1], 0);
669                                 input_report_abs(input, ABS_MISC, 0);
670                         }
671                 }
672                 input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
673                 return 1;
674         }
675
676         /* process in/out prox events */
677         result = wacom_intuos_inout(wacom);
678         if (result)
679                 return result - 1;
680
681         /* don't proceed if we don't know the ID */
682         if (!wacom->id[idx])
683                 return 0;
684
685         /* Only large Intuos support Lense Cursor */
686         if (wacom->tool[idx] == BTN_TOOL_LENS &&
687             (features->type == INTUOS3 ||
688              features->type == INTUOS3S ||
689              features->type == INTUOS4 ||
690              features->type == INTUOS4S ||
691              features->type == INTUOS5 ||
692              features->type == INTUOS5S)) {
693
694                 return 0;
695         }
696
697         /* Cintiq doesn't send data when RDY bit isn't set */
698         if (features->type == CINTIQ && !(data[1] & 0x40))
699                  return 0;
700
701         if (features->type >= INTUOS3S) {
702                 input_report_abs(input, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
703                 input_report_abs(input, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
704                 input_report_abs(input, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
705         } else {
706                 input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[2]));
707                 input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[4]));
708                 input_report_abs(input, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
709         }
710
711         /* process general packets */
712         wacom_intuos_general(wacom);
713
714         /* 4D mouse, 2D mouse, marker pen rotation, tilt mouse, or Lens cursor packets */
715         if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0 || (data[1] & 0xbc) == 0xac) {
716
717                 if (data[1] & 0x02) {
718                         /* Rotation packet */
719                         if (features->type >= INTUOS3S) {
720                                 /* I3 marker pen rotation */
721                                 t = (data[6] << 3) | ((data[7] >> 5) & 7);
722                                 t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
723                                         ((t-1) / 2 + 450)) : (450 - t / 2) ;
724                                 input_report_abs(input, ABS_Z, t);
725                         } else {
726                                 /* 4D mouse rotation packet */
727                                 t = (data[6] << 3) | ((data[7] >> 5) & 7);
728                                 input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
729                                         ((t - 1) / 2) : -t / 2);
730                         }
731
732                 } else if (!(data[1] & 0x10) && features->type < INTUOS3S) {
733                         /* 4D mouse packet */
734                         input_report_key(input, BTN_LEFT,   data[8] & 0x01);
735                         input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
736                         input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
737
738                         input_report_key(input, BTN_SIDE,   data[8] & 0x20);
739                         input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
740                         t = (data[6] << 2) | ((data[7] >> 6) & 3);
741                         input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
742
743                 } else if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
744                         /* I4 mouse */
745                         if ((features->type >= INTUOS4S && features->type <= INTUOS4L) ||
746                             (features->type >= INTUOS5S && features->type <= INTUOS5L)) {
747                                 input_report_key(input, BTN_LEFT,   data[6] & 0x01);
748                                 input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
749                                 input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
750                                 input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
751                                                  - ((data[7] & 0x40) >> 6));
752                                 input_report_key(input, BTN_SIDE,   data[6] & 0x08);
753                                 input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
754
755                                 input_report_abs(input, ABS_TILT_X,
756                                         ((data[7] << 1) & 0x7e) | (data[8] >> 7));
757                                 input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
758                         } else {
759                                 /* 2D mouse packet */
760                                 input_report_key(input, BTN_LEFT,   data[8] & 0x04);
761                                 input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
762                                 input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
763                                 input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
764                                                  - ((data[8] & 0x02) >> 1));
765
766                                 /* I3 2D mouse side buttons */
767                                 if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
768                                         input_report_key(input, BTN_SIDE,   data[8] & 0x40);
769                                         input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
770                                 }
771                         }
772                 } else if ((features->type < INTUOS3S || features->type == INTUOS3L ||
773                                 features->type == INTUOS4L || features->type == INTUOS5L) &&
774                            wacom->tool[idx] == BTN_TOOL_LENS) {
775                         /* Lens cursor packets */
776                         input_report_key(input, BTN_LEFT,   data[8] & 0x01);
777                         input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
778                         input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
779                         input_report_key(input, BTN_SIDE,   data[8] & 0x10);
780                         input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
781                 }
782         }
783
784         input_report_abs(input, ABS_MISC, wacom->id[idx]); /* report tool id */
785         input_report_key(input, wacom->tool[idx], 1);
786         input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
787         return 1;
788 }
789
790 static int find_slot_from_contactid(struct wacom_wac *wacom, int contactid)
791 {
792         int touch_max = wacom->features.touch_max;
793         int i;
794
795         if (!wacom->slots)
796                 return -1;
797
798         for (i = 0; i < touch_max; ++i) {
799                 if (wacom->slots[i] == contactid)
800                         return i;
801         }
802         for (i = 0; i < touch_max; ++i) {
803                 if (wacom->slots[i] == -1)
804                         return i;
805         }
806         return -1;
807 }
808
809 static int int_dist(int x1, int y1, int x2, int y2)
810 {
811         int x = x2 - x1;
812         int y = y2 - y1;
813
814         return int_sqrt(x*x + y*y);
815 }
816
817 static int wacom_24hdt_irq(struct wacom_wac *wacom)
818 {
819         struct input_dev *input = wacom->input;
820         char *data = wacom->data;
821         int i;
822         int current_num_contacts = data[61];
823         int contacts_to_send = 0;
824
825         /*
826          * First packet resets the counter since only the first
827          * packet in series will have non-zero current_num_contacts.
828          */
829         if (current_num_contacts)
830                 wacom->num_contacts_left = current_num_contacts;
831
832         /* There are at most 4 contacts per packet */
833         contacts_to_send = min(4, wacom->num_contacts_left);
834
835         for (i = 0; i < contacts_to_send; i++) {
836                 int offset = (WACOM_BYTES_PER_24HDT_PACKET * i) + 1;
837                 bool touch = data[offset] & 0x1 && !wacom->shared->stylus_in_proximity;
838                 int id = data[offset + 1];
839                 int slot = find_slot_from_contactid(wacom, id);
840
841                 if (slot < 0)
842                         continue;
843                 input_mt_slot(input, slot);
844                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
845
846                 if (touch) {
847                         int t_x = le16_to_cpup((__le16 *)&data[offset + 2]);
848                         int c_x = le16_to_cpup((__le16 *)&data[offset + 4]);
849                         int t_y = le16_to_cpup((__le16 *)&data[offset + 6]);
850                         int c_y = le16_to_cpup((__le16 *)&data[offset + 8]);
851                         int w = le16_to_cpup((__le16 *)&data[offset + 10]);
852                         int h = le16_to_cpup((__le16 *)&data[offset + 12]);
853
854                         input_report_abs(input, ABS_MT_POSITION_X, t_x);
855                         input_report_abs(input, ABS_MT_POSITION_Y, t_y);
856                         input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
857                         input_report_abs(input, ABS_MT_WIDTH_MAJOR, min(w, h) + int_dist(t_x, t_y, c_x, c_y));
858                         input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
859                         input_report_abs(input, ABS_MT_ORIENTATION, w > h);
860                 }
861                 wacom->slots[slot] = touch ? id : -1;
862         }
863
864         input_mt_report_pointer_emulation(input, true);
865
866         wacom->num_contacts_left -= contacts_to_send;
867         if (wacom->num_contacts_left <= 0)
868                 wacom->num_contacts_left = 0;
869
870         return 1;
871 }
872
873 static int wacom_mt_touch(struct wacom_wac *wacom)
874 {
875         struct input_dev *input = wacom->input;
876         char *data = wacom->data;
877         int i;
878         int current_num_contacts = data[2];
879         int contacts_to_send = 0;
880
881         /*
882          * First packet resets the counter since only the first
883          * packet in series will have non-zero current_num_contacts.
884          */
885         if (current_num_contacts)
886                 wacom->num_contacts_left = current_num_contacts;
887
888         /* There are at most 5 contacts per packet */
889         contacts_to_send = min(5, wacom->num_contacts_left);
890
891         for (i = 0; i < contacts_to_send; i++) {
892                 int offset = (WACOM_BYTES_PER_MT_PACKET * i) + 3;
893                 bool touch = data[offset] & 0x1;
894                 int id = le16_to_cpup((__le16 *)&data[offset + 1]);
895                 int slot = find_slot_from_contactid(wacom, id);
896
897                 if (slot < 0)
898                         continue;
899
900                 input_mt_slot(input, slot);
901                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
902                 if (touch) {
903                         int x = le16_to_cpup((__le16 *)&data[offset + 7]);
904                         int y = le16_to_cpup((__le16 *)&data[offset + 9]);
905                         input_report_abs(input, ABS_MT_POSITION_X, x);
906                         input_report_abs(input, ABS_MT_POSITION_Y, y);
907                 }
908                 wacom->slots[slot] = touch ? id : -1;
909         }
910
911         input_mt_report_pointer_emulation(input, true);
912
913         wacom->num_contacts_left -= contacts_to_send;
914         if (wacom->num_contacts_left < 0)
915                 wacom->num_contacts_left = 0;
916
917         return 1;
918 }
919
920 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
921 {
922         struct input_dev *input = wacom->input;
923         unsigned char *data = wacom->data;
924         int contact_with_no_pen_down_count = 0;
925         int i;
926
927         for (i = 0; i < 2; i++) {
928                 int p = data[1] & (1 << i);
929                 bool touch = p && !wacom->shared->stylus_in_proximity;
930
931                 input_mt_slot(input, i);
932                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
933                 if (touch) {
934                         int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
935                         int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
936
937                         input_report_abs(input, ABS_MT_POSITION_X, x);
938                         input_report_abs(input, ABS_MT_POSITION_Y, y);
939                         contact_with_no_pen_down_count++;
940                 }
941         }
942
943         /* keep touch state for pen event */
944         wacom->shared->touch_down = (contact_with_no_pen_down_count > 0);
945
946         input_mt_report_pointer_emulation(input, true);
947
948         return 1;
949 }
950
951 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
952 {
953         char *data = wacom->data;
954         struct input_dev *input = wacom->input;
955         bool prox;
956         int x = 0, y = 0;
957
958         if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
959                 return 0;
960
961         if (!wacom->shared->stylus_in_proximity) {
962                 if (len == WACOM_PKGLEN_TPC1FG) {
963                         prox = data[0] & 0x01;
964                         x = get_unaligned_le16(&data[1]);
965                         y = get_unaligned_le16(&data[3]);
966                 } else {
967                         prox = data[1] & 0x01;
968                         x = le16_to_cpup((__le16 *)&data[2]);
969                         y = le16_to_cpup((__le16 *)&data[4]);
970                 }
971         } else
972                 /* force touch out when pen is in prox */
973                 prox = 0;
974
975         if (prox) {
976                 input_report_abs(input, ABS_X, x);
977                 input_report_abs(input, ABS_Y, y);
978         }
979         input_report_key(input, BTN_TOUCH, prox);
980
981         /* keep touch state for pen events */
982         wacom->shared->touch_down = prox;
983
984         return 1;
985 }
986
987 static int wacom_tpc_pen(struct wacom_wac *wacom)
988 {
989         struct wacom_features *features = &wacom->features;
990         char *data = wacom->data;
991         struct input_dev *input = wacom->input;
992         int pressure;
993         bool prox = data[1] & 0x20;
994
995         if (!wacom->shared->stylus_in_proximity) /* first in prox */
996                 /* Going into proximity select tool */
997                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
998
999         /* keep pen state for touch events */
1000         wacom->shared->stylus_in_proximity = prox;
1001
1002         /* send pen events only when touch is up or forced out */
1003         if (!wacom->shared->touch_down) {
1004                 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1005                 input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1006                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1007                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1008                 pressure = ((data[7] & 0x01) << 8) | data[6];
1009                 if (pressure < 0)
1010                         pressure = features->pressure_max + pressure + 1;
1011                 input_report_abs(input, ABS_PRESSURE, pressure);
1012                 input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1013                 input_report_key(input, wacom->tool[0], prox);
1014                 return 1;
1015         }
1016
1017         return 0;
1018 }
1019
1020 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1021 {
1022         char *data = wacom->data;
1023
1024         dev_dbg(wacom->input->dev.parent,
1025                 "%s: received report #%d\n", __func__, data[0]);
1026
1027         switch (len) {
1028         case WACOM_PKGLEN_TPC1FG:
1029                 return wacom_tpc_single_touch(wacom, len);
1030
1031         case WACOM_PKGLEN_TPC2FG:
1032                 return wacom_tpc_mt_touch(wacom);
1033
1034         default:
1035                 switch (data[0]) {
1036                 case WACOM_REPORT_TPC1FG:
1037                 case WACOM_REPORT_TPCHID:
1038                 case WACOM_REPORT_TPCST:
1039                 case WACOM_REPORT_TPC1FGE:
1040                         return wacom_tpc_single_touch(wacom, len);
1041
1042                 case WACOM_REPORT_TPCMT:
1043                         return wacom_mt_touch(wacom);
1044
1045                 case WACOM_REPORT_PENABLED:
1046                         return wacom_tpc_pen(wacom);
1047                 }
1048         }
1049
1050         return 0;
1051 }
1052
1053 static int wacom_bpt_touch(struct wacom_wac *wacom)
1054 {
1055         struct wacom_features *features = &wacom->features;
1056         struct input_dev *input = wacom->input;
1057         unsigned char *data = wacom->data;
1058         int i;
1059
1060         if (data[0] != 0x02)
1061             return 0;
1062
1063         for (i = 0; i < 2; i++) {
1064                 int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
1065                 bool touch = data[offset + 3] & 0x80;
1066
1067                 /*
1068                  * Touch events need to be disabled while stylus is
1069                  * in proximity because user's hand is resting on touchpad
1070                  * and sending unwanted events.  User expects tablet buttons
1071                  * to continue working though.
1072                  */
1073                 touch = touch && !wacom->shared->stylus_in_proximity;
1074
1075                 input_mt_slot(input, i);
1076                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1077                 if (touch) {
1078                         int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
1079                         int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
1080                         if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
1081                                 x <<= 5;
1082                                 y <<= 5;
1083                         }
1084                         input_report_abs(input, ABS_MT_POSITION_X, x);
1085                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1086                 }
1087         }
1088
1089         input_mt_report_pointer_emulation(input, true);
1090
1091         input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
1092         input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
1093         input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
1094         input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
1095
1096         input_sync(input);
1097
1098         return 0;
1099 }
1100
1101 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
1102 {
1103         struct input_dev *input = wacom->input;
1104         int slot_id = data[0] - 2;  /* data[0] is between 2 and 17 */
1105         bool touch = data[1] & 0x80;
1106
1107         touch = touch && !wacom->shared->stylus_in_proximity;
1108
1109         input_mt_slot(input, slot_id);
1110         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1111
1112         if (touch) {
1113                 int x = (data[2] << 4) | (data[4] >> 4);
1114                 int y = (data[3] << 4) | (data[4] & 0x0f);
1115                 int a = data[5];
1116
1117                 // "a" is a scaled-down area which we assume is roughly
1118                 // circular and which can be described as: a=(pi*r^2)/C.
1119                 int x_res  = input_abs_get_res(input, ABS_X);
1120                 int y_res  = input_abs_get_res(input, ABS_Y);
1121                 int width  = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
1122                 int height = width * y_res / x_res;
1123
1124                 input_report_abs(input, ABS_MT_POSITION_X, x);
1125                 input_report_abs(input, ABS_MT_POSITION_Y, y);
1126                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
1127                 input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
1128         }
1129 }
1130
1131 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
1132 {
1133         struct input_dev *input = wacom->input;
1134
1135         input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
1136         input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
1137         input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
1138         input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
1139 }
1140
1141 static int wacom_bpt3_touch(struct wacom_wac *wacom)
1142 {
1143         struct input_dev *input = wacom->input;
1144         unsigned char *data = wacom->data;
1145         int count = data[1] & 0x07;
1146         int i;
1147
1148         if (data[0] != 0x02)
1149             return 0;
1150
1151         /* data has up to 7 fixed sized 8-byte messages starting at data[2] */
1152         for (i = 0; i < count; i++) {
1153                 int offset = (8 * i) + 2;
1154                 int msg_id = data[offset];
1155
1156                 if (msg_id >= 2 && msg_id <= 17)
1157                         wacom_bpt3_touch_msg(wacom, data + offset);
1158                 else if (msg_id == 128)
1159                         wacom_bpt3_button_msg(wacom, data + offset);
1160
1161         }
1162
1163         input_mt_report_pointer_emulation(input, true);
1164
1165         input_sync(input);
1166
1167         return 0;
1168 }
1169
1170 static int wacom_bpt_pen(struct wacom_wac *wacom)
1171 {
1172         struct input_dev *input = wacom->input;
1173         unsigned char *data = wacom->data;
1174         int prox = 0, x = 0, y = 0, p = 0, d = 0, pen = 0, btn1 = 0, btn2 = 0;
1175
1176         if (data[0] != 0x02)
1177             return 0;
1178
1179         prox = (data[1] & 0x20) == 0x20;
1180
1181         /*
1182          * All reports shared between PEN and RUBBER tool must be
1183          * forced to a known starting value (zero) when transitioning to
1184          * out-of-prox.
1185          *
1186          * If not reset then, to userspace, it will look like lost events
1187          * if new tool comes in-prox with same values as previous tool sent.
1188          *
1189          * Hardware does report zero in most out-of-prox cases but not all.
1190          */
1191         if (prox) {
1192                 if (!wacom->shared->stylus_in_proximity) {
1193                         if (data[1] & 0x08) {
1194                                 wacom->tool[0] = BTN_TOOL_RUBBER;
1195                                 wacom->id[0] = ERASER_DEVICE_ID;
1196                         } else {
1197                                 wacom->tool[0] = BTN_TOOL_PEN;
1198                                 wacom->id[0] = STYLUS_DEVICE_ID;
1199                         }
1200                         wacom->shared->stylus_in_proximity = true;
1201                 }
1202                 x = le16_to_cpup((__le16 *)&data[2]);
1203                 y = le16_to_cpup((__le16 *)&data[4]);
1204                 p = le16_to_cpup((__le16 *)&data[6]);
1205                 /*
1206                  * Convert distance from out prox to distance from tablet.
1207                  * distance will be greater than distance_max once
1208                  * touching and applying pressure; do not report negative
1209                  * distance.
1210                  */
1211                 if (data[8] <= wacom->features.distance_max)
1212                         d = wacom->features.distance_max - data[8];
1213
1214                 pen = data[1] & 0x01;
1215                 btn1 = data[1] & 0x02;
1216                 btn2 = data[1] & 0x04;
1217         }
1218
1219         input_report_key(input, BTN_TOUCH, pen);
1220         input_report_key(input, BTN_STYLUS, btn1);
1221         input_report_key(input, BTN_STYLUS2, btn2);
1222
1223         input_report_abs(input, ABS_X, x);
1224         input_report_abs(input, ABS_Y, y);
1225         input_report_abs(input, ABS_PRESSURE, p);
1226         input_report_abs(input, ABS_DISTANCE, d);
1227
1228         if (!prox) {
1229                 wacom->id[0] = 0;
1230                 wacom->shared->stylus_in_proximity = false;
1231         }
1232
1233         input_report_key(input, wacom->tool[0], prox); /* PEN or RUBBER */
1234         input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
1235
1236         return 1;
1237 }
1238
1239 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
1240 {
1241         if (len == WACOM_PKGLEN_BBTOUCH)
1242                 return wacom_bpt_touch(wacom);
1243         else if (len == WACOM_PKGLEN_BBTOUCH3)
1244                 return wacom_bpt3_touch(wacom);
1245         else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
1246                 return wacom_bpt_pen(wacom);
1247
1248         return 0;
1249 }
1250
1251 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
1252 {
1253         unsigned char *data = wacom->data;
1254         int connected;
1255
1256         if (len != WACOM_PKGLEN_WIRELESS || data[0] != 0x80)
1257                 return 0;
1258
1259         connected = data[1] & 0x01;
1260         if (connected) {
1261                 int pid, battery;
1262
1263                 pid = get_unaligned_be16(&data[6]);
1264                 battery = data[5] & 0x3f;
1265                 if (wacom->pid != pid) {
1266                         wacom->pid = pid;
1267                         wacom_schedule_work(wacom);
1268                 }
1269                 wacom->battery_capacity = battery;
1270         } else if (wacom->pid != 0) {
1271                 /* disconnected while previously connected */
1272                 wacom->pid = 0;
1273                 wacom_schedule_work(wacom);
1274                 wacom->battery_capacity = 0;
1275         }
1276
1277         return 0;
1278 }
1279
1280 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
1281 {
1282         bool sync;
1283
1284         switch (wacom_wac->features.type) {
1285         case PENPARTNER:
1286                 sync = wacom_penpartner_irq(wacom_wac);
1287                 break;
1288
1289         case PL:
1290                 sync = wacom_pl_irq(wacom_wac);
1291                 break;
1292
1293         case WACOM_G4:
1294         case GRAPHIRE:
1295         case WACOM_MO:
1296                 sync = wacom_graphire_irq(wacom_wac);
1297                 break;
1298
1299         case PTU:
1300                 sync = wacom_ptu_irq(wacom_wac);
1301                 break;
1302
1303         case DTU:
1304                 sync = wacom_dtu_irq(wacom_wac);
1305                 break;
1306
1307         case INTUOS:
1308         case INTUOS3S:
1309         case INTUOS3:
1310         case INTUOS3L:
1311         case INTUOS4S:
1312         case INTUOS4:
1313         case INTUOS4L:
1314         case CINTIQ:
1315         case WACOM_BEE:
1316         case WACOM_21UX2:
1317         case WACOM_22HD:
1318         case WACOM_24HD:
1319                 sync = wacom_intuos_irq(wacom_wac);
1320                 break;
1321
1322         case WACOM_24HDT:
1323                 sync = wacom_24hdt_irq(wacom_wac);
1324                 break;
1325
1326         case INTUOS5S:
1327         case INTUOS5:
1328         case INTUOS5L:
1329                 if (len == WACOM_PKGLEN_BBTOUCH3)
1330                         sync = wacom_bpt3_touch(wacom_wac);
1331                 else
1332                         sync = wacom_intuos_irq(wacom_wac);
1333                 break;
1334
1335         case TABLETPC:
1336         case TABLETPCE:
1337         case TABLETPC2FG:
1338         case MTSCREEN:
1339                 sync = wacom_tpc_irq(wacom_wac, len);
1340                 break;
1341
1342         case BAMBOO_PT:
1343                 sync = wacom_bpt_irq(wacom_wac, len);
1344                 break;
1345
1346         case WIRELESS:
1347                 sync = wacom_wireless_irq(wacom_wac, len);
1348                 break;
1349
1350         default:
1351                 sync = false;
1352                 break;
1353         }
1354
1355         if (sync)
1356                 input_sync(wacom_wac->input);
1357 }
1358
1359 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
1360 {
1361         struct input_dev *input_dev = wacom_wac->input;
1362
1363         input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
1364
1365         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1366         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1367         __set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
1368         __set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
1369         __set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
1370         __set_bit(BTN_STYLUS, input_dev->keybit);
1371         __set_bit(BTN_STYLUS2, input_dev->keybit);
1372
1373         input_set_abs_params(input_dev, ABS_DISTANCE,
1374                              0, wacom_wac->features.distance_max, 0, 0);
1375         input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
1376         input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
1377         input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
1378 }
1379
1380 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
1381 {
1382         struct input_dev *input_dev = wacom_wac->input;
1383
1384         input_set_capability(input_dev, EV_REL, REL_WHEEL);
1385
1386         wacom_setup_cintiq(wacom_wac);
1387
1388         __set_bit(BTN_LEFT, input_dev->keybit);
1389         __set_bit(BTN_RIGHT, input_dev->keybit);
1390         __set_bit(BTN_MIDDLE, input_dev->keybit);
1391         __set_bit(BTN_SIDE, input_dev->keybit);
1392         __set_bit(BTN_EXTRA, input_dev->keybit);
1393         __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
1394         __set_bit(BTN_TOOL_LENS, input_dev->keybit);
1395
1396         input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
1397         input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
1398 }
1399
1400 void wacom_setup_device_quirks(struct wacom_features *features)
1401 {
1402
1403         /* touch device found but size is not defined. use default */
1404         if (features->device_type == BTN_TOOL_FINGER && !features->x_max) {
1405                 features->x_max = 1023;
1406                 features->y_max = 1023;
1407         }
1408
1409         /* these device have multiple inputs */
1410         if (features->type >= WIRELESS ||
1411             (features->type >= INTUOS5S && features->type <= INTUOS5L) ||
1412             (features->oVid && features->oPid))
1413                 features->quirks |= WACOM_QUIRK_MULTI_INPUT;
1414
1415         /* quirk for bamboo touch with 2 low res touches */
1416         if (features->type == BAMBOO_PT &&
1417             features->pktlen == WACOM_PKGLEN_BBTOUCH) {
1418                 features->x_max <<= 5;
1419                 features->y_max <<= 5;
1420                 features->x_fuzz <<= 5;
1421                 features->y_fuzz <<= 5;
1422                 features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
1423         }
1424
1425         if (features->type == WIRELESS) {
1426
1427                 /* monitor never has input and pen/touch have delayed create */
1428                 features->quirks |= WACOM_QUIRK_NO_INPUT;
1429
1430                 /* must be monitor interface if no device_type set */
1431                 if (!features->device_type)
1432                         features->quirks |= WACOM_QUIRK_MONITOR;
1433         }
1434 }
1435
1436 static unsigned int wacom_calculate_touch_res(unsigned int logical_max,
1437                                               unsigned int physical_max)
1438 {
1439        /* Touch physical dimensions are in 100th of mm */
1440        return (logical_max * 100) / physical_max;
1441 }
1442
1443 int wacom_setup_input_capabilities(struct input_dev *input_dev,
1444                                    struct wacom_wac *wacom_wac)
1445 {
1446         struct wacom_features *features = &wacom_wac->features;
1447         int i;
1448
1449         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
1450
1451         __set_bit(BTN_TOUCH, input_dev->keybit);
1452
1453         input_set_abs_params(input_dev, ABS_X, 0, features->x_max,
1454                              features->x_fuzz, 0);
1455         input_set_abs_params(input_dev, ABS_Y, 0, features->y_max,
1456                              features->y_fuzz, 0);
1457
1458         if (features->device_type == BTN_TOOL_PEN) {
1459                 input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max,
1460                              features->pressure_fuzz, 0);
1461
1462                 /* penabled devices have fixed resolution for each model */
1463                 input_abs_set_res(input_dev, ABS_X, features->x_resolution);
1464                 input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
1465         } else {
1466                 input_abs_set_res(input_dev, ABS_X,
1467                         wacom_calculate_touch_res(features->x_max,
1468                                                 features->x_phy));
1469                 input_abs_set_res(input_dev, ABS_Y,
1470                         wacom_calculate_touch_res(features->y_max,
1471                                                 features->y_phy));
1472         }
1473
1474         __set_bit(ABS_MISC, input_dev->absbit);
1475
1476         switch (wacom_wac->features.type) {
1477         case WACOM_MO:
1478                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
1479                 /* fall through */
1480
1481         case WACOM_G4:
1482                 input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
1483
1484                 __set_bit(BTN_BACK, input_dev->keybit);
1485                 __set_bit(BTN_FORWARD, input_dev->keybit);
1486                 /* fall through */
1487
1488         case GRAPHIRE:
1489                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
1490
1491                 __set_bit(BTN_LEFT, input_dev->keybit);
1492                 __set_bit(BTN_RIGHT, input_dev->keybit);
1493                 __set_bit(BTN_MIDDLE, input_dev->keybit);
1494
1495                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1496                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1497                 __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
1498                 __set_bit(BTN_STYLUS, input_dev->keybit);
1499                 __set_bit(BTN_STYLUS2, input_dev->keybit);
1500
1501                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1502                 break;
1503
1504         case WACOM_24HD:
1505                 __set_bit(BTN_A, input_dev->keybit);
1506                 __set_bit(BTN_B, input_dev->keybit);
1507                 __set_bit(BTN_C, input_dev->keybit);
1508                 __set_bit(BTN_X, input_dev->keybit);
1509                 __set_bit(BTN_Y, input_dev->keybit);
1510                 __set_bit(BTN_Z, input_dev->keybit);
1511
1512                 for (i = 0; i < 10; i++)
1513                         __set_bit(BTN_0 + i, input_dev->keybit);
1514
1515                 __set_bit(KEY_PROG1, input_dev->keybit);
1516                 __set_bit(KEY_PROG2, input_dev->keybit);
1517                 __set_bit(KEY_PROG3, input_dev->keybit);
1518
1519                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1520                 input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
1521                 wacom_setup_cintiq(wacom_wac);
1522                 break;
1523
1524         case WACOM_22HD:
1525                 __set_bit(KEY_PROG1, input_dev->keybit);
1526                 __set_bit(KEY_PROG2, input_dev->keybit);
1527                 __set_bit(KEY_PROG3, input_dev->keybit);
1528                 /* fall through */
1529
1530         case WACOM_21UX2:
1531                 __set_bit(BTN_A, input_dev->keybit);
1532                 __set_bit(BTN_B, input_dev->keybit);
1533                 __set_bit(BTN_C, input_dev->keybit);
1534                 __set_bit(BTN_X, input_dev->keybit);
1535                 __set_bit(BTN_Y, input_dev->keybit);
1536                 __set_bit(BTN_Z, input_dev->keybit);
1537                 __set_bit(BTN_BASE, input_dev->keybit);
1538                 __set_bit(BTN_BASE2, input_dev->keybit);
1539                 /* fall through */
1540
1541         case WACOM_BEE:
1542                 __set_bit(BTN_8, input_dev->keybit);
1543                 __set_bit(BTN_9, input_dev->keybit);
1544                 /* fall through */
1545
1546         case CINTIQ:
1547                 for (i = 0; i < 8; i++)
1548                         __set_bit(BTN_0 + i, input_dev->keybit);
1549
1550                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
1551                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
1552                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1553
1554                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
1555
1556                 wacom_setup_cintiq(wacom_wac);
1557                 break;
1558
1559         case INTUOS3:
1560         case INTUOS3L:
1561                 __set_bit(BTN_4, input_dev->keybit);
1562                 __set_bit(BTN_5, input_dev->keybit);
1563                 __set_bit(BTN_6, input_dev->keybit);
1564                 __set_bit(BTN_7, input_dev->keybit);
1565
1566                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
1567                 /* fall through */
1568
1569         case INTUOS3S:
1570                 __set_bit(BTN_0, input_dev->keybit);
1571                 __set_bit(BTN_1, input_dev->keybit);
1572                 __set_bit(BTN_2, input_dev->keybit);
1573                 __set_bit(BTN_3, input_dev->keybit);
1574
1575                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
1576                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1577                 /* fall through */
1578
1579         case INTUOS:
1580                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1581
1582                 wacom_setup_intuos(wacom_wac);
1583                 break;
1584
1585         case INTUOS5:
1586         case INTUOS5L:
1587                 if (features->device_type == BTN_TOOL_PEN) {
1588                         __set_bit(BTN_7, input_dev->keybit);
1589                         __set_bit(BTN_8, input_dev->keybit);
1590                 }
1591                 /* fall through */
1592
1593         case INTUOS5S:
1594                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1595
1596                 if (features->device_type == BTN_TOOL_PEN) {
1597                         for (i = 0; i < 7; i++)
1598                                 __set_bit(BTN_0 + i, input_dev->keybit);
1599
1600                         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
1601                                               features->distance_max,
1602                                               0, 0);
1603
1604                         input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1605
1606                         wacom_setup_intuos(wacom_wac);
1607                 } else if (features->device_type == BTN_TOOL_FINGER) {
1608                         __clear_bit(ABS_MISC, input_dev->absbit);
1609
1610                         __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
1611                         __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
1612                         __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
1613                         __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit);
1614
1615                         input_mt_init_slots(input_dev, features->touch_max, 0);
1616
1617                         input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
1618                                              0, features->x_max, 0, 0);
1619                         input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR,
1620                                              0, features->y_max, 0, 0);
1621
1622                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
1623                                              0, features->x_max,
1624                                              features->x_fuzz, 0);
1625                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
1626                                              0, features->y_max,
1627                                              features->y_fuzz, 0);
1628                 }
1629                 break;
1630
1631         case INTUOS4:
1632         case INTUOS4L:
1633                 __set_bit(BTN_7, input_dev->keybit);
1634                 __set_bit(BTN_8, input_dev->keybit);
1635                 /* fall through */
1636
1637         case INTUOS4S:
1638                 for (i = 0; i < 7; i++)
1639                         __set_bit(BTN_0 + i, input_dev->keybit);
1640
1641                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1642                 wacom_setup_intuos(wacom_wac);
1643
1644                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1645                 break;
1646
1647         case WACOM_24HDT:
1648                 if (features->device_type == BTN_TOOL_FINGER) {
1649                         input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
1650                         input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
1651                         input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
1652                         input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
1653                 }
1654                 /* fall through */
1655
1656         case MTSCREEN:
1657                 if (features->device_type == BTN_TOOL_FINGER) {
1658                         wacom_wac->slots = kmalloc(features->touch_max *
1659                                                         sizeof(int),
1660                                                    GFP_KERNEL);
1661                         if (!wacom_wac->slots)
1662                                 return -ENOMEM;
1663
1664                         for (i = 0; i < features->touch_max; i++)
1665                                 wacom_wac->slots[i] = -1;
1666                 }
1667                 /* fall through */
1668
1669         case TABLETPC2FG:
1670                 if (features->device_type == BTN_TOOL_FINGER) {
1671                         input_mt_init_slots(input_dev, features->touch_max, 0);
1672                         input_set_abs_params(input_dev, ABS_MT_TOOL_TYPE,
1673                                         0, MT_TOOL_MAX, 0, 0);
1674                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
1675                                         0, features->x_max, 0, 0);
1676                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
1677                                         0, features->y_max, 0, 0);
1678                 }
1679                 /* fall through */
1680
1681         case TABLETPC:
1682         case TABLETPCE:
1683                 __clear_bit(ABS_MISC, input_dev->absbit);
1684
1685                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
1686
1687                 if (features->device_type != BTN_TOOL_PEN)
1688                         break;  /* no need to process stylus stuff */
1689
1690                 /* fall through */
1691
1692         case PL:
1693         case DTU:
1694                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1695                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1696                 __set_bit(BTN_STYLUS, input_dev->keybit);
1697                 __set_bit(BTN_STYLUS2, input_dev->keybit);
1698
1699                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
1700                 break;
1701
1702         case PTU:
1703                 __set_bit(BTN_STYLUS2, input_dev->keybit);
1704                 /* fall through */
1705
1706         case PENPARTNER:
1707                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1708                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1709                 __set_bit(BTN_STYLUS, input_dev->keybit);
1710
1711                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1712                 break;
1713
1714         case BAMBOO_PT:
1715                 __clear_bit(ABS_MISC, input_dev->absbit);
1716
1717                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1718
1719                 if (features->device_type == BTN_TOOL_FINGER) {
1720                         __set_bit(BTN_LEFT, input_dev->keybit);
1721                         __set_bit(BTN_FORWARD, input_dev->keybit);
1722                         __set_bit(BTN_BACK, input_dev->keybit);
1723                         __set_bit(BTN_RIGHT, input_dev->keybit);
1724
1725                         __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
1726                         __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
1727                         input_mt_init_slots(input_dev, features->touch_max, 0);
1728
1729                         if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
1730                                 __set_bit(BTN_TOOL_TRIPLETAP,
1731                                           input_dev->keybit);
1732                                 __set_bit(BTN_TOOL_QUADTAP,
1733                                           input_dev->keybit);
1734
1735                                 input_set_abs_params(input_dev,
1736                                                      ABS_MT_TOUCH_MAJOR,
1737                                                      0, features->x_max, 0, 0);
1738                                 input_set_abs_params(input_dev,
1739                                                      ABS_MT_TOUCH_MINOR,
1740                                                      0, features->y_max, 0, 0);
1741                         }
1742
1743                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
1744                                              0, features->x_max,
1745                                              features->x_fuzz, 0);
1746                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
1747                                              0, features->y_max,
1748                                              features->y_fuzz, 0);
1749                 } else if (features->device_type == BTN_TOOL_PEN) {
1750                         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1751                         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1752                         __set_bit(BTN_STYLUS, input_dev->keybit);
1753                         __set_bit(BTN_STYLUS2, input_dev->keybit);
1754                         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
1755                                               features->distance_max,
1756                                               0, 0);
1757                 }
1758                 break;
1759         }
1760         return 0;
1761 }
1762
1763 static const struct wacom_features wacom_features_0x00 =
1764         { "Wacom Penpartner",     WACOM_PKGLEN_PENPRTN,    5040,  3780,  255,
1765           0, PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
1766 static const struct wacom_features wacom_features_0x10 =
1767         { "Wacom Graphire",       WACOM_PKGLEN_GRAPHIRE,  10206,  7422,  511,
1768           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1769 static const struct wacom_features wacom_features_0x11 =
1770         { "Wacom Graphire2 4x5",  WACOM_PKGLEN_GRAPHIRE,  10206,  7422,  511,
1771           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1772 static const struct wacom_features wacom_features_0x12 =
1773         { "Wacom Graphire2 5x7",  WACOM_PKGLEN_GRAPHIRE,  13918, 10206,  511,
1774           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1775 static const struct wacom_features wacom_features_0x13 =
1776         { "Wacom Graphire3",      WACOM_PKGLEN_GRAPHIRE,  10208,  7424,  511,
1777           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1778 static const struct wacom_features wacom_features_0x14 =
1779         { "Wacom Graphire3 6x8",  WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511,
1780           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1781 static const struct wacom_features wacom_features_0x15 =
1782         { "Wacom Graphire4 4x5",  WACOM_PKGLEN_GRAPHIRE,  10208,  7424,  511,
1783           63, WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1784 static const struct wacom_features wacom_features_0x16 =
1785         { "Wacom Graphire4 6x8",  WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511,
1786           63, WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1787 static const struct wacom_features wacom_features_0x17 =
1788         { "Wacom BambooFun 4x5",  WACOM_PKGLEN_BBFUN,     14760,  9225,  511,
1789           63, WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1790 static const struct wacom_features wacom_features_0x18 =
1791         { "Wacom BambooFun 6x8",  WACOM_PKGLEN_BBFUN,     21648, 13530,  511,
1792           63, WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1793 static const struct wacom_features wacom_features_0x19 =
1794         { "Wacom Bamboo1 Medium", WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511,
1795           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1796 static const struct wacom_features wacom_features_0x60 =
1797         { "Wacom Volito",         WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511,
1798           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1799 static const struct wacom_features wacom_features_0x61 =
1800         { "Wacom PenStation2",    WACOM_PKGLEN_GRAPHIRE,   3250,  2320,  255,
1801           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1802 static const struct wacom_features wacom_features_0x62 =
1803         { "Wacom Volito2 4x5",    WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511,
1804           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1805 static const struct wacom_features wacom_features_0x63 =
1806         { "Wacom Volito2 2x3",    WACOM_PKGLEN_GRAPHIRE,   3248,  2320,  511,
1807           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1808 static const struct wacom_features wacom_features_0x64 =
1809         { "Wacom PenPartner2",    WACOM_PKGLEN_GRAPHIRE,   3250,  2320,  511,
1810           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1811 static const struct wacom_features wacom_features_0x65 =
1812         { "Wacom Bamboo",         WACOM_PKGLEN_BBFUN,     14760,  9225,  511,
1813           63, WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1814 static const struct wacom_features wacom_features_0x69 =
1815         { "Wacom Bamboo1",        WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511,
1816           63, GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
1817 static const struct wacom_features wacom_features_0x6A =
1818         { "Wacom Bamboo1 4x6",    WACOM_PKGLEN_GRAPHIRE,  14760,  9225, 1023,
1819           63, GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1820 static const struct wacom_features wacom_features_0x6B =
1821         { "Wacom Bamboo1 5x8",    WACOM_PKGLEN_GRAPHIRE,  21648, 13530, 1023,
1822           63, GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1823 static const struct wacom_features wacom_features_0x20 =
1824         { "Wacom Intuos 4x5",     WACOM_PKGLEN_INTUOS,    12700, 10600, 1023,
1825           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1826 static const struct wacom_features wacom_features_0x21 =
1827         { "Wacom Intuos 6x8",     WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
1828           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1829 static const struct wacom_features wacom_features_0x22 =
1830         { "Wacom Intuos 9x12",    WACOM_PKGLEN_INTUOS,    30480, 24060, 1023,
1831           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1832 static const struct wacom_features wacom_features_0x23 =
1833         { "Wacom Intuos 12x12",   WACOM_PKGLEN_INTUOS,    30480, 31680, 1023,
1834           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1835 static const struct wacom_features wacom_features_0x24 =
1836         { "Wacom Intuos 12x18",   WACOM_PKGLEN_INTUOS,    45720, 31680, 1023,
1837           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1838 static const struct wacom_features wacom_features_0x30 =
1839         { "Wacom PL400",          WACOM_PKGLEN_GRAPHIRE,   5408,  4056,  255,
1840           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1841 static const struct wacom_features wacom_features_0x31 =
1842         { "Wacom PL500",          WACOM_PKGLEN_GRAPHIRE,   6144,  4608,  255,
1843           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1844 static const struct wacom_features wacom_features_0x32 =
1845         { "Wacom PL600",          WACOM_PKGLEN_GRAPHIRE,   6126,  4604,  255,
1846           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1847 static const struct wacom_features wacom_features_0x33 =
1848         { "Wacom PL600SX",        WACOM_PKGLEN_GRAPHIRE,   6260,  5016,  255,
1849           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1850 static const struct wacom_features wacom_features_0x34 =
1851         { "Wacom PL550",          WACOM_PKGLEN_GRAPHIRE,   6144,  4608,  511,
1852           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1853 static const struct wacom_features wacom_features_0x35 =
1854         { "Wacom PL800",          WACOM_PKGLEN_GRAPHIRE,   7220,  5780,  511,
1855           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1856 static const struct wacom_features wacom_features_0x37 =
1857         { "Wacom PL700",          WACOM_PKGLEN_GRAPHIRE,   6758,  5406,  511,
1858           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1859 static const struct wacom_features wacom_features_0x38 =
1860         { "Wacom PL510",          WACOM_PKGLEN_GRAPHIRE,   6282,  4762,  511,
1861           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1862 static const struct wacom_features wacom_features_0x39 =
1863         { "Wacom DTU710",         WACOM_PKGLEN_GRAPHIRE,  34080, 27660,  511,
1864           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1865 static const struct wacom_features wacom_features_0xC4 =
1866         { "Wacom DTF521",         WACOM_PKGLEN_GRAPHIRE,   6282,  4762,  511,
1867           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1868 static const struct wacom_features wacom_features_0xC0 =
1869         { "Wacom DTF720",         WACOM_PKGLEN_GRAPHIRE,   6858,  5506,  511,
1870           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1871 static const struct wacom_features wacom_features_0xC2 =
1872         { "Wacom DTF720a",        WACOM_PKGLEN_GRAPHIRE,   6858,  5506,  511,
1873           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1874 static const struct wacom_features wacom_features_0x03 =
1875         { "Wacom Cintiq Partner", WACOM_PKGLEN_GRAPHIRE,  20480, 15360,  511,
1876           0, PTU, WACOM_PL_RES, WACOM_PL_RES };
1877 static const struct wacom_features wacom_features_0x41 =
1878         { "Wacom Intuos2 4x5",    WACOM_PKGLEN_INTUOS,    12700, 10600, 1023,
1879           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1880 static const struct wacom_features wacom_features_0x42 =
1881         { "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
1882           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1883 static const struct wacom_features wacom_features_0x43 =
1884         { "Wacom Intuos2 9x12",   WACOM_PKGLEN_INTUOS,    30480, 24060, 1023,
1885           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1886 static const struct wacom_features wacom_features_0x44 =
1887         { "Wacom Intuos2 12x12",  WACOM_PKGLEN_INTUOS,    30480, 31680, 1023,
1888           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1889 static const struct wacom_features wacom_features_0x45 =
1890         { "Wacom Intuos2 12x18",  WACOM_PKGLEN_INTUOS,    45720, 31680, 1023,
1891           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1892 static const struct wacom_features wacom_features_0xB0 =
1893         { "Wacom Intuos3 4x5",    WACOM_PKGLEN_INTUOS,    25400, 20320, 1023,
1894           63, INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1895 static const struct wacom_features wacom_features_0xB1 =
1896         { "Wacom Intuos3 6x8",    WACOM_PKGLEN_INTUOS,    40640, 30480, 1023,
1897           63, INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1898 static const struct wacom_features wacom_features_0xB2 =
1899         { "Wacom Intuos3 9x12",   WACOM_PKGLEN_INTUOS,    60960, 45720, 1023,
1900           63, INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1901 static const struct wacom_features wacom_features_0xB3 =
1902         { "Wacom Intuos3 12x12",  WACOM_PKGLEN_INTUOS,    60960, 60960, 1023,
1903           63, INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1904 static const struct wacom_features wacom_features_0xB4 =
1905         { "Wacom Intuos3 12x19",  WACOM_PKGLEN_INTUOS,    97536, 60960, 1023,
1906           63, INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1907 static const struct wacom_features wacom_features_0xB5 =
1908         { "Wacom Intuos3 6x11",   WACOM_PKGLEN_INTUOS,    54204, 31750, 1023,
1909           63, INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1910 static const struct wacom_features wacom_features_0xB7 =
1911         { "Wacom Intuos3 4x6",    WACOM_PKGLEN_INTUOS,    31496, 19685, 1023,
1912           63, INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1913 static const struct wacom_features wacom_features_0xB8 =
1914         { "Wacom Intuos4 4x6",    WACOM_PKGLEN_INTUOS,    31496, 19685, 2047,
1915           63, INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1916 static const struct wacom_features wacom_features_0xB9 =
1917         { "Wacom Intuos4 6x9",    WACOM_PKGLEN_INTUOS,    44704, 27940, 2047,
1918           63, INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1919 static const struct wacom_features wacom_features_0xBA =
1920         { "Wacom Intuos4 8x13",   WACOM_PKGLEN_INTUOS,    65024, 40640, 2047,
1921           63, INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1922 static const struct wacom_features wacom_features_0xBB =
1923         { "Wacom Intuos4 12x19",  WACOM_PKGLEN_INTUOS,    97536, 60960, 2047,
1924           63, INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1925 static const struct wacom_features wacom_features_0xBC =
1926         { "Wacom Intuos4 WL",     WACOM_PKGLEN_INTUOS,    40840, 25400, 2047,
1927           63, INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1928 static const struct wacom_features wacom_features_0x26 =
1929         { "Wacom Intuos5 touch S", WACOM_PKGLEN_INTUOS,  31496, 19685, 2047,
1930           63, INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
1931           .touch_max = 16 };
1932 static const struct wacom_features wacom_features_0x27 =
1933         { "Wacom Intuos5 touch M", WACOM_PKGLEN_INTUOS,  44704, 27940, 2047,
1934           63, INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
1935           .touch_max = 16 };
1936 static const struct wacom_features wacom_features_0x28 =
1937         { "Wacom Intuos5 touch L", WACOM_PKGLEN_INTUOS, 65024, 40640, 2047,
1938           63, INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
1939           .touch_max = 16 };
1940 static const struct wacom_features wacom_features_0x29 =
1941         { "Wacom Intuos5 S", WACOM_PKGLEN_INTUOS,  31496, 19685, 2047,
1942           63, INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1943 static const struct wacom_features wacom_features_0x2A =
1944         { "Wacom Intuos5 M", WACOM_PKGLEN_INTUOS,  44704, 27940, 2047,
1945           63, INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1946 static const struct wacom_features wacom_features_0xF4 =
1947         { "Wacom Cintiq 24HD",       WACOM_PKGLEN_INTUOS,   104480, 65600, 2047,
1948           63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1949 static const struct wacom_features wacom_features_0xF8 =
1950         { "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS,   104480, 65600, 2047, /* Pen */
1951           63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
1952 static const struct wacom_features wacom_features_0xF6 =
1953         { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
1954           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10 };
1955 static const struct wacom_features wacom_features_0x3F =
1956         { "Wacom Cintiq 21UX",    WACOM_PKGLEN_INTUOS,    87200, 65600, 1023,
1957           63, CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1958 static const struct wacom_features wacom_features_0xC5 =
1959         { "Wacom Cintiq 20WSX",   WACOM_PKGLEN_INTUOS,    86680, 54180, 1023,
1960           63, WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1961 static const struct wacom_features wacom_features_0xC6 =
1962         { "Wacom Cintiq 12WX",    WACOM_PKGLEN_INTUOS,    53020, 33440, 1023,
1963           63, WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1964 static const struct wacom_features wacom_features_0xC7 =
1965         { "Wacom DTU1931",        WACOM_PKGLEN_GRAPHIRE,  37832, 30305,  511,
1966           0, PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1967 static const struct wacom_features wacom_features_0xCE =
1968         { "Wacom DTU2231",        WACOM_PKGLEN_GRAPHIRE,  47864, 27011,  511,
1969           0, DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1970 static const struct wacom_features wacom_features_0xF0 =
1971         { "Wacom DTU1631",        WACOM_PKGLEN_GRAPHIRE,  34623, 19553,  511,
1972           0, DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1973 static const struct wacom_features wacom_features_0xCC =
1974         { "Wacom Cintiq 21UX2",   WACOM_PKGLEN_INTUOS,    87200, 65600, 2047,
1975           63, WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1976 static const struct wacom_features wacom_features_0xFA =
1977         { "Wacom Cintiq 22HD",    WACOM_PKGLEN_INTUOS,    95840, 54260, 2047,
1978           63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1979 static const struct wacom_features wacom_features_0x90 =
1980         { "Wacom ISDv4 90",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
1981           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1982 static const struct wacom_features wacom_features_0x93 =
1983         { "Wacom ISDv4 93",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
1984           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1985 static const struct wacom_features wacom_features_0x97 =
1986         { "Wacom ISDv4 97",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  511,
1987           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1988 static const struct wacom_features wacom_features_0x9A =
1989         { "Wacom ISDv4 9A",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
1990           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1991 static const struct wacom_features wacom_features_0x9F =
1992         { "Wacom ISDv4 9F",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
1993           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1994 static const struct wacom_features wacom_features_0xE2 =
1995         { "Wacom ISDv4 E2",       WACOM_PKGLEN_TPC2FG,    26202, 16325,  255,
1996           0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
1997           .touch_max = 2 };
1998 static const struct wacom_features wacom_features_0xE3 =
1999         { "Wacom ISDv4 E3",       WACOM_PKGLEN_TPC2FG,    26202, 16325,  255,
2000           0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2001           .touch_max = 2 };
2002 static const struct wacom_features wacom_features_0xE5 =
2003         { "Wacom ISDv4 E5",       WACOM_PKGLEN_MTOUCH,    26202, 16325,  255,
2004           0, MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2005 static const struct wacom_features wacom_features_0xE6 =
2006         { "Wacom ISDv4 E6",       WACOM_PKGLEN_TPC2FG,    27760, 15694,  255,
2007           0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2008         .touch_max = 2 };
2009 static const struct wacom_features wacom_features_0xEC =
2010         { "Wacom ISDv4 EC",       WACOM_PKGLEN_GRAPHIRE,  25710, 14500,  255,
2011           0, TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2012 static const struct wacom_features wacom_features_0xED =
2013         { "Wacom ISDv4 ED",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
2014           0, TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2015 static const struct wacom_features wacom_features_0xEF =
2016         { "Wacom ISDv4 EF",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
2017           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2018 static const struct wacom_features wacom_features_0x47 =
2019         { "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
2020           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2021 static const struct wacom_features wacom_features_0x84 =
2022         { "Wacom Wireless Receiver", WACOM_PKGLEN_WIRELESS, 0, 0, 0,
2023           0, WIRELESS, 0, 0, .touch_max = 16 };
2024 static const struct wacom_features wacom_features_0xD0 =
2025         { "Wacom Bamboo 2FG",     WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
2026           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2027           .touch_max = 2 };
2028 static const struct wacom_features wacom_features_0xD1 =
2029         { "Wacom Bamboo 2FG 4x5", WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
2030           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2031           .touch_max = 2 };
2032 static const struct wacom_features wacom_features_0xD2 =
2033         { "Wacom Bamboo Craft",   WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
2034           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2035 static const struct wacom_features wacom_features_0xD3 =
2036         { "Wacom Bamboo 2FG 6x8", WACOM_PKGLEN_BBFUN,     21648, 13700, 1023,
2037           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2038           .touch_max = 2 };
2039 static const struct wacom_features wacom_features_0xD4 =
2040         { "Wacom Bamboo Pen",     WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
2041           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2042 static const struct wacom_features wacom_features_0xD5 =
2043         { "Wacom Bamboo Pen 6x8",     WACOM_PKGLEN_BBFUN, 21648, 13700, 1023,
2044           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2045 static const struct wacom_features wacom_features_0xD6 =
2046         { "Wacom BambooPT 2FG 4x5", WACOM_PKGLEN_BBFUN,   14720,  9200, 1023,
2047           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2048           .touch_max = 2 };
2049 static const struct wacom_features wacom_features_0xD7 =
2050         { "Wacom BambooPT 2FG Small", WACOM_PKGLEN_BBFUN, 14720,  9200, 1023,
2051           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2052           .touch_max = 2 };
2053 static const struct wacom_features wacom_features_0xD8 =
2054         { "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN,   21648, 13700, 1023,
2055           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2056           .touch_max = 2 };
2057 static const struct wacom_features wacom_features_0xDA =
2058         { "Wacom Bamboo 2FG 4x5 SE", WACOM_PKGLEN_BBFUN,  14720,  9200, 1023,
2059           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2060           .touch_max = 2 };
2061 static struct wacom_features wacom_features_0xDB =
2062         { "Wacom Bamboo 2FG 6x8 SE", WACOM_PKGLEN_BBFUN,  21648, 13700, 1023,
2063           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2064           .touch_max = 2 };
2065 static const struct wacom_features wacom_features_0xDD =
2066         { "Wacom Bamboo Connect", WACOM_PKGLEN_BBPEN,     14720,  9200, 1023,
2067           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2068 static const struct wacom_features wacom_features_0xDE =
2069         { "Wacom Bamboo 16FG 4x5", WACOM_PKGLEN_BBPEN,    14720,  9200, 1023,
2070           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2071           .touch_max = 16 };
2072 static const struct wacom_features wacom_features_0xDF =
2073         { "Wacom Bamboo 16FG 6x8", WACOM_PKGLEN_BBPEN,    21648, 13700, 1023,
2074           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2075           .touch_max = 16 };
2076 static const struct wacom_features wacom_features_0x6004 =
2077         { "ISD-V4",               WACOM_PKGLEN_GRAPHIRE,  12800,  8000,  255,
2078           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2079
2080 #define USB_DEVICE_WACOM(prod)                                  \
2081         USB_DEVICE(USB_VENDOR_ID_WACOM, prod),                  \
2082         .driver_info = (kernel_ulong_t)&wacom_features_##prod
2083
2084 #define USB_DEVICE_DETAILED(prod, class, sub, proto)                    \
2085         USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_WACOM, prod, class, \
2086                                       sub, proto),                      \
2087         .driver_info = (kernel_ulong_t)&wacom_features_##prod
2088
2089 #define USB_DEVICE_LENOVO(prod)                                 \
2090         USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),                 \
2091         .driver_info = (kernel_ulong_t)&wacom_features_##prod
2092
2093 const struct usb_device_id wacom_ids[] = {
2094         { USB_DEVICE_WACOM(0x00) },
2095         { USB_DEVICE_WACOM(0x10) },
2096         { USB_DEVICE_WACOM(0x11) },
2097         { USB_DEVICE_WACOM(0x12) },
2098         { USB_DEVICE_WACOM(0x13) },
2099         { USB_DEVICE_WACOM(0x14) },
2100         { USB_DEVICE_WACOM(0x15) },
2101         { USB_DEVICE_WACOM(0x16) },
2102         { USB_DEVICE_WACOM(0x17) },
2103         { USB_DEVICE_WACOM(0x18) },
2104         { USB_DEVICE_WACOM(0x19) },
2105         { USB_DEVICE_WACOM(0x60) },
2106         { USB_DEVICE_WACOM(0x61) },
2107         { USB_DEVICE_WACOM(0x62) },
2108         { USB_DEVICE_WACOM(0x63) },
2109         { USB_DEVICE_WACOM(0x64) },
2110         { USB_DEVICE_WACOM(0x65) },
2111         { USB_DEVICE_WACOM(0x69) },
2112         { USB_DEVICE_WACOM(0x6A) },
2113         { USB_DEVICE_WACOM(0x6B) },
2114         { USB_DEVICE_WACOM(0x20) },
2115         { USB_DEVICE_WACOM(0x21) },
2116         { USB_DEVICE_WACOM(0x22) },
2117         { USB_DEVICE_WACOM(0x23) },
2118         { USB_DEVICE_WACOM(0x24) },
2119         { USB_DEVICE_WACOM(0x30) },
2120         { USB_DEVICE_WACOM(0x31) },
2121         { USB_DEVICE_WACOM(0x32) },
2122         { USB_DEVICE_WACOM(0x33) },
2123         { USB_DEVICE_WACOM(0x34) },
2124         { USB_DEVICE_WACOM(0x35) },
2125         { USB_DEVICE_WACOM(0x37) },
2126         { USB_DEVICE_WACOM(0x38) },
2127         { USB_DEVICE_WACOM(0x39) },
2128         { USB_DEVICE_WACOM(0xC4) },
2129         { USB_DEVICE_WACOM(0xC0) },
2130         { USB_DEVICE_WACOM(0xC2) },
2131         { USB_DEVICE_WACOM(0x03) },
2132         { USB_DEVICE_WACOM(0x41) },
2133         { USB_DEVICE_WACOM(0x42) },
2134         { USB_DEVICE_WACOM(0x43) },
2135         { USB_DEVICE_WACOM(0x44) },
2136         { USB_DEVICE_WACOM(0x45) },
2137         { USB_DEVICE_WACOM(0xB0) },
2138         { USB_DEVICE_WACOM(0xB1) },
2139         { USB_DEVICE_WACOM(0xB2) },
2140         { USB_DEVICE_WACOM(0xB3) },
2141         { USB_DEVICE_WACOM(0xB4) },
2142         { USB_DEVICE_WACOM(0xB5) },
2143         { USB_DEVICE_WACOM(0xB7) },
2144         { USB_DEVICE_WACOM(0xB8) },
2145         { USB_DEVICE_WACOM(0xB9) },
2146         { USB_DEVICE_WACOM(0xBA) },
2147         { USB_DEVICE_WACOM(0xBB) },
2148         { USB_DEVICE_WACOM(0xBC) },
2149         { USB_DEVICE_WACOM(0x26) },
2150         { USB_DEVICE_WACOM(0x27) },
2151         { USB_DEVICE_WACOM(0x28) },
2152         { USB_DEVICE_WACOM(0x29) },
2153         { USB_DEVICE_WACOM(0x2A) },
2154         { USB_DEVICE_WACOM(0x3F) },
2155         { USB_DEVICE_WACOM(0xC5) },
2156         { USB_DEVICE_WACOM(0xC6) },
2157         { USB_DEVICE_WACOM(0xC7) },
2158         /*
2159          * DTU-2231 has two interfaces on the same configuration,
2160          * only one is used.
2161          */
2162         { USB_DEVICE_DETAILED(0xCE, USB_CLASS_HID,
2163                               USB_INTERFACE_SUBCLASS_BOOT,
2164                               USB_INTERFACE_PROTOCOL_MOUSE) },
2165         { USB_DEVICE_WACOM(0x84) },
2166         { USB_DEVICE_WACOM(0xD0) },
2167         { USB_DEVICE_WACOM(0xD1) },
2168         { USB_DEVICE_WACOM(0xD2) },
2169         { USB_DEVICE_WACOM(0xD3) },
2170         { USB_DEVICE_WACOM(0xD4) },
2171         { USB_DEVICE_WACOM(0xD5) },
2172         { USB_DEVICE_WACOM(0xD6) },
2173         { USB_DEVICE_WACOM(0xD7) },
2174         { USB_DEVICE_WACOM(0xD8) },
2175         { USB_DEVICE_WACOM(0xDA) },
2176         { USB_DEVICE_WACOM(0xDB) },
2177         { USB_DEVICE_WACOM(0xDD) },
2178         { USB_DEVICE_WACOM(0xDE) },
2179         { USB_DEVICE_WACOM(0xDF) },
2180         { USB_DEVICE_WACOM(0xF0) },
2181         { USB_DEVICE_WACOM(0xCC) },
2182         { USB_DEVICE_WACOM(0x90) },
2183         { USB_DEVICE_WACOM(0x93) },
2184         { USB_DEVICE_WACOM(0x97) },
2185         { USB_DEVICE_WACOM(0x9A) },
2186         { USB_DEVICE_WACOM(0x9F) },
2187         { USB_DEVICE_WACOM(0xE2) },
2188         { USB_DEVICE_WACOM(0xE3) },
2189         { USB_DEVICE_WACOM(0xE5) },
2190         { USB_DEVICE_WACOM(0xE6) },
2191         { USB_DEVICE_WACOM(0xEC) },
2192         { USB_DEVICE_WACOM(0xED) },
2193         { USB_DEVICE_WACOM(0xEF) },
2194         { USB_DEVICE_WACOM(0x47) },
2195         { USB_DEVICE_WACOM(0xF4) },
2196         { USB_DEVICE_WACOM(0xF8) },
2197         { USB_DEVICE_WACOM(0xF6) },
2198         { USB_DEVICE_WACOM(0xFA) },
2199         { USB_DEVICE_LENOVO(0x6004) },
2200         { }
2201 };
2202 MODULE_DEVICE_TABLE(usb, wacom_ids);