[SCSI] Merge tag 'fcoe-02-19-13' into for-linus
[cascardo/linux.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 <= WACOM_24HD) {
471                         t = (t << 1) | (data[1] & 1);
472                 }
473                 input_report_abs(input, ABS_PRESSURE, t);
474                 input_report_abs(input, ABS_TILT_X,
475                                 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
476                 input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
477                 input_report_key(input, BTN_STYLUS, data[1] & 2);
478                 input_report_key(input, BTN_STYLUS2, data[1] & 4);
479                 input_report_key(input, BTN_TOUCH, t > 10);
480         }
481
482         /* airbrush second packet */
483         if ((data[1] & 0xbc) == 0xb4) {
484                 input_report_abs(input, ABS_WHEEL,
485                                 (data[6] << 2) | ((data[7] >> 6) & 3));
486                 input_report_abs(input, ABS_TILT_X,
487                                 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
488                 input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
489         }
490 }
491
492 static int wacom_intuos_irq(struct wacom_wac *wacom)
493 {
494         struct wacom_features *features = &wacom->features;
495         unsigned char *data = wacom->data;
496         struct input_dev *input = wacom->input;
497         unsigned int t;
498         int idx = 0, result;
499
500         if (data[0] != WACOM_REPORT_PENABLED &&
501             data[0] != WACOM_REPORT_INTUOSREAD &&
502             data[0] != WACOM_REPORT_INTUOSWRITE &&
503             data[0] != WACOM_REPORT_INTUOSPAD &&
504             data[0] != WACOM_REPORT_INTUOS5PAD) {
505                 dev_dbg(input->dev.parent,
506                         "%s: received unknown report #%d\n", __func__, data[0]);
507                 return 0;
508         }
509
510         /* tool number */
511         if (features->type == INTUOS)
512                 idx = data[1] & 0x01;
513
514         /* pad packets. Works as a second tool and is always in prox */
515         if (data[0] == WACOM_REPORT_INTUOSPAD || data[0] == WACOM_REPORT_INTUOS5PAD) {
516                 if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
517                         input_report_key(input, BTN_0, (data[2] & 0x01));
518                         input_report_key(input, BTN_1, (data[3] & 0x01));
519                         input_report_key(input, BTN_2, (data[3] & 0x02));
520                         input_report_key(input, BTN_3, (data[3] & 0x04));
521                         input_report_key(input, BTN_4, (data[3] & 0x08));
522                         input_report_key(input, BTN_5, (data[3] & 0x10));
523                         input_report_key(input, BTN_6, (data[3] & 0x20));
524                         if (data[1] & 0x80) {
525                                 input_report_abs(input, ABS_WHEEL, (data[1] & 0x7f));
526                         } else {
527                                 /* Out of proximity, clear wheel value. */
528                                 input_report_abs(input, ABS_WHEEL, 0);
529                         }
530                         if (features->type != INTUOS4S) {
531                                 input_report_key(input, BTN_7, (data[3] & 0x40));
532                                 input_report_key(input, BTN_8, (data[3] & 0x80));
533                         }
534                         if (data[1] | (data[2] & 0x01) | data[3]) {
535                                 input_report_key(input, wacom->tool[1], 1);
536                                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
537                         } else {
538                                 input_report_key(input, wacom->tool[1], 0);
539                                 input_report_abs(input, ABS_MISC, 0);
540                         }
541                 } else if (features->type == WACOM_24HD) {
542                         input_report_key(input, BTN_0, (data[6] & 0x01));
543                         input_report_key(input, BTN_1, (data[6] & 0x02));
544                         input_report_key(input, BTN_2, (data[6] & 0x04));
545                         input_report_key(input, BTN_3, (data[6] & 0x08));
546                         input_report_key(input, BTN_4, (data[6] & 0x10));
547                         input_report_key(input, BTN_5, (data[6] & 0x20));
548                         input_report_key(input, BTN_6, (data[6] & 0x40));
549                         input_report_key(input, BTN_7, (data[6] & 0x80));
550                         input_report_key(input, BTN_8, (data[8] & 0x01));
551                         input_report_key(input, BTN_9, (data[8] & 0x02));
552                         input_report_key(input, BTN_A, (data[8] & 0x04));
553                         input_report_key(input, BTN_B, (data[8] & 0x08));
554                         input_report_key(input, BTN_C, (data[8] & 0x10));
555                         input_report_key(input, BTN_X, (data[8] & 0x20));
556                         input_report_key(input, BTN_Y, (data[8] & 0x40));
557                         input_report_key(input, BTN_Z, (data[8] & 0x80));
558
559                         /*
560                          * Three "buttons" are available on the 24HD which are
561                          * physically implemented as a touchstrip. Each button
562                          * is approximately 3 bits wide with a 2 bit spacing.
563                          * The raw touchstrip bits are stored at:
564                          *    ((data[3] & 0x1f) << 8) | data[4])
565                          */
566                         input_report_key(input, KEY_PROG1, data[4] & 0x07);
567                         input_report_key(input, KEY_PROG2, data[4] & 0xE0);
568                         input_report_key(input, KEY_PROG3, data[3] & 0x1C);
569
570                         if (data[1] & 0x80) {
571                                 input_report_abs(input, ABS_WHEEL, (data[1] & 0x7f));
572                         } else {
573                                 /* Out of proximity, clear wheel value. */
574                                 input_report_abs(input, ABS_WHEEL, 0);
575                         }
576
577                         if (data[2] & 0x80) {
578                                 input_report_abs(input, ABS_THROTTLE, (data[2] & 0x7f));
579                         } else {
580                                 /* Out of proximity, clear second wheel value. */
581                                 input_report_abs(input, ABS_THROTTLE, 0);
582                         }
583
584                         if (data[1] | data[2] | (data[3] & 0x1f) | data[4] | data[6] | data[8]) {
585                                 input_report_key(input, wacom->tool[1], 1);
586                                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
587                         } else {
588                                 input_report_key(input, wacom->tool[1], 0);
589                                 input_report_abs(input, ABS_MISC, 0);
590                         }
591                 } else if (features->type >= INTUOS5S && features->type <= INTUOS5L) {
592                         int i;
593
594                         /* Touch ring mode switch has no capacitive sensor */
595                         input_report_key(input, BTN_0, (data[3] & 0x01));
596
597                         /*
598                          * ExpressKeys on Intuos5 have a capacitive sensor in
599                          * addition to the mechanical switch. Switch data is
600                          * stored in data[4], capacitive data in data[5].
601                          */
602                         for (i = 0; i < 8; i++)
603                                 input_report_key(input, BTN_1 + i, data[4] & (1 << i));
604
605                         if (data[2] & 0x80) {
606                                 input_report_abs(input, ABS_WHEEL, (data[2] & 0x7f));
607                         } else {
608                                 /* Out of proximity, clear wheel value. */
609                                 input_report_abs(input, ABS_WHEEL, 0);
610                         }
611
612                         if (data[2] | (data[3] & 0x01) | data[4] | data[5]) {
613                                 input_report_key(input, wacom->tool[1], 1);
614                                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
615                         } else {
616                                 input_report_key(input, wacom->tool[1], 0);
617                                 input_report_abs(input, ABS_MISC, 0);
618                         }
619                 } else {
620                         if (features->type == WACOM_21UX2 || features->type == WACOM_22HD) {
621                                 input_report_key(input, BTN_0, (data[5] & 0x01));
622                                 input_report_key(input, BTN_1, (data[6] & 0x01));
623                                 input_report_key(input, BTN_2, (data[6] & 0x02));
624                                 input_report_key(input, BTN_3, (data[6] & 0x04));
625                                 input_report_key(input, BTN_4, (data[6] & 0x08));
626                                 input_report_key(input, BTN_5, (data[6] & 0x10));
627                                 input_report_key(input, BTN_6, (data[6] & 0x20));
628                                 input_report_key(input, BTN_7, (data[6] & 0x40));
629                                 input_report_key(input, BTN_8, (data[6] & 0x80));
630                                 input_report_key(input, BTN_9, (data[7] & 0x01));
631                                 input_report_key(input, BTN_A, (data[8] & 0x01));
632                                 input_report_key(input, BTN_B, (data[8] & 0x02));
633                                 input_report_key(input, BTN_C, (data[8] & 0x04));
634                                 input_report_key(input, BTN_X, (data[8] & 0x08));
635                                 input_report_key(input, BTN_Y, (data[8] & 0x10));
636                                 input_report_key(input, BTN_Z, (data[8] & 0x20));
637                                 input_report_key(input, BTN_BASE, (data[8] & 0x40));
638                                 input_report_key(input, BTN_BASE2, (data[8] & 0x80));
639
640                                 if (features->type == WACOM_22HD) {
641                                         input_report_key(input, KEY_PROG1, data[9] & 0x01);
642                                         input_report_key(input, KEY_PROG2, data[9] & 0x02);
643                                         input_report_key(input, KEY_PROG3, data[9] & 0x04);
644                                 }
645                         } else {
646                                 input_report_key(input, BTN_0, (data[5] & 0x01));
647                                 input_report_key(input, BTN_1, (data[5] & 0x02));
648                                 input_report_key(input, BTN_2, (data[5] & 0x04));
649                                 input_report_key(input, BTN_3, (data[5] & 0x08));
650                                 input_report_key(input, BTN_4, (data[6] & 0x01));
651                                 input_report_key(input, BTN_5, (data[6] & 0x02));
652                                 input_report_key(input, BTN_6, (data[6] & 0x04));
653                                 input_report_key(input, BTN_7, (data[6] & 0x08));
654                                 input_report_key(input, BTN_8, (data[5] & 0x10));
655                                 input_report_key(input, BTN_9, (data[6] & 0x10));
656                         }
657                         input_report_abs(input, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
658                         input_report_abs(input, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
659
660                         if ((data[5] & 0x1f) | data[6] | (data[1] & 0x1f) |
661                                 data[2] | (data[3] & 0x1f) | data[4] | data[8] |
662                                 (data[7] & 0x01)) {
663                                 input_report_key(input, wacom->tool[1], 1);
664                                 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
665                         } else {
666                                 input_report_key(input, wacom->tool[1], 0);
667                                 input_report_abs(input, ABS_MISC, 0);
668                         }
669                 }
670                 input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
671                 return 1;
672         }
673
674         /* process in/out prox events */
675         result = wacom_intuos_inout(wacom);
676         if (result)
677                 return result - 1;
678
679         /* don't proceed if we don't know the ID */
680         if (!wacom->id[idx])
681                 return 0;
682
683         /* Only large Intuos support Lense Cursor */
684         if (wacom->tool[idx] == BTN_TOOL_LENS &&
685             (features->type == INTUOS3 ||
686              features->type == INTUOS3S ||
687              features->type == INTUOS4 ||
688              features->type == INTUOS4S ||
689              features->type == INTUOS5 ||
690              features->type == INTUOS5S)) {
691
692                 return 0;
693         }
694
695         /* Cintiq doesn't send data when RDY bit isn't set */
696         if (features->type == CINTIQ && !(data[1] & 0x40))
697                  return 0;
698
699         if (features->type >= INTUOS3S) {
700                 input_report_abs(input, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
701                 input_report_abs(input, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
702                 input_report_abs(input, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
703         } else {
704                 input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[2]));
705                 input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[4]));
706                 input_report_abs(input, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
707         }
708
709         /* process general packets */
710         wacom_intuos_general(wacom);
711
712         /* 4D mouse, 2D mouse, marker pen rotation, tilt mouse, or Lens cursor packets */
713         if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0 || (data[1] & 0xbc) == 0xac) {
714
715                 if (data[1] & 0x02) {
716                         /* Rotation packet */
717                         if (features->type >= INTUOS3S) {
718                                 /* I3 marker pen rotation */
719                                 t = (data[6] << 3) | ((data[7] >> 5) & 7);
720                                 t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
721                                         ((t-1) / 2 + 450)) : (450 - t / 2) ;
722                                 input_report_abs(input, ABS_Z, t);
723                         } else {
724                                 /* 4D mouse rotation packet */
725                                 t = (data[6] << 3) | ((data[7] >> 5) & 7);
726                                 input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
727                                         ((t - 1) / 2) : -t / 2);
728                         }
729
730                 } else if (!(data[1] & 0x10) && features->type < INTUOS3S) {
731                         /* 4D mouse packet */
732                         input_report_key(input, BTN_LEFT,   data[8] & 0x01);
733                         input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
734                         input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
735
736                         input_report_key(input, BTN_SIDE,   data[8] & 0x20);
737                         input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
738                         t = (data[6] << 2) | ((data[7] >> 6) & 3);
739                         input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
740
741                 } else if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
742                         /* I4 mouse */
743                         if ((features->type >= INTUOS4S && features->type <= INTUOS4L) ||
744                             (features->type >= INTUOS5S && features->type <= INTUOS5L)) {
745                                 input_report_key(input, BTN_LEFT,   data[6] & 0x01);
746                                 input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
747                                 input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
748                                 input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
749                                                  - ((data[7] & 0x40) >> 6));
750                                 input_report_key(input, BTN_SIDE,   data[6] & 0x08);
751                                 input_report_key(input, BTN_EXTRA,  data[6] & 0x10);
752
753                                 input_report_abs(input, ABS_TILT_X,
754                                         ((data[7] << 1) & 0x7e) | (data[8] >> 7));
755                                 input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
756                         } else {
757                                 /* 2D mouse packet */
758                                 input_report_key(input, BTN_LEFT,   data[8] & 0x04);
759                                 input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
760                                 input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
761                                 input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
762                                                  - ((data[8] & 0x02) >> 1));
763
764                                 /* I3 2D mouse side buttons */
765                                 if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
766                                         input_report_key(input, BTN_SIDE,   data[8] & 0x40);
767                                         input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
768                                 }
769                         }
770                 } else if ((features->type < INTUOS3S || features->type == INTUOS3L ||
771                                 features->type == INTUOS4L || features->type == INTUOS5L) &&
772                            wacom->tool[idx] == BTN_TOOL_LENS) {
773                         /* Lens cursor packets */
774                         input_report_key(input, BTN_LEFT,   data[8] & 0x01);
775                         input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
776                         input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
777                         input_report_key(input, BTN_SIDE,   data[8] & 0x10);
778                         input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
779                 }
780         }
781
782         input_report_abs(input, ABS_MISC, wacom->id[idx]); /* report tool id */
783         input_report_key(input, wacom->tool[idx], 1);
784         input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
785         return 1;
786 }
787
788 static int find_slot_from_contactid(struct wacom_wac *wacom, int contactid)
789 {
790         int touch_max = wacom->features.touch_max;
791         int i;
792
793         if (!wacom->slots)
794                 return -1;
795
796         for (i = 0; i < touch_max; ++i) {
797                 if (wacom->slots[i] == contactid)
798                         return i;
799         }
800         for (i = 0; i < touch_max; ++i) {
801                 if (wacom->slots[i] == -1)
802                         return i;
803         }
804         return -1;
805 }
806
807 static int int_dist(int x1, int y1, int x2, int y2)
808 {
809         int x = x2 - x1;
810         int y = y2 - y1;
811
812         return int_sqrt(x*x + y*y);
813 }
814
815 static int wacom_24hdt_irq(struct wacom_wac *wacom)
816 {
817         struct input_dev *input = wacom->input;
818         char *data = wacom->data;
819         int i;
820         int current_num_contacts = data[61];
821         int contacts_to_send = 0;
822
823         /*
824          * First packet resets the counter since only the first
825          * packet in series will have non-zero current_num_contacts.
826          */
827         if (current_num_contacts)
828                 wacom->num_contacts_left = current_num_contacts;
829
830         /* There are at most 4 contacts per packet */
831         contacts_to_send = min(4, wacom->num_contacts_left);
832
833         for (i = 0; i < contacts_to_send; i++) {
834                 int offset = (WACOM_BYTES_PER_24HDT_PACKET * i) + 1;
835                 bool touch = data[offset] & 0x1 && !wacom->shared->stylus_in_proximity;
836                 int id = data[offset + 1];
837                 int slot = find_slot_from_contactid(wacom, id);
838
839                 if (slot < 0)
840                         continue;
841                 input_mt_slot(input, slot);
842                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
843
844                 if (touch) {
845                         int t_x = le16_to_cpup((__le16 *)&data[offset + 2]);
846                         int c_x = le16_to_cpup((__le16 *)&data[offset + 4]);
847                         int t_y = le16_to_cpup((__le16 *)&data[offset + 6]);
848                         int c_y = le16_to_cpup((__le16 *)&data[offset + 8]);
849                         int w = le16_to_cpup((__le16 *)&data[offset + 10]);
850                         int h = le16_to_cpup((__le16 *)&data[offset + 12]);
851
852                         input_report_abs(input, ABS_MT_POSITION_X, t_x);
853                         input_report_abs(input, ABS_MT_POSITION_Y, t_y);
854                         input_report_abs(input, ABS_MT_TOUCH_MAJOR, min(w,h));
855                         input_report_abs(input, ABS_MT_WIDTH_MAJOR, min(w, h) + int_dist(t_x, t_y, c_x, c_y));
856                         input_report_abs(input, ABS_MT_WIDTH_MINOR, min(w, h));
857                         input_report_abs(input, ABS_MT_ORIENTATION, w > h);
858                 }
859                 wacom->slots[slot] = touch ? id : -1;
860         }
861
862         input_mt_report_pointer_emulation(input, true);
863
864         wacom->num_contacts_left -= contacts_to_send;
865         if (wacom->num_contacts_left <= 0)
866                 wacom->num_contacts_left = 0;
867
868         return 1;
869 }
870
871 static int wacom_mt_touch(struct wacom_wac *wacom)
872 {
873         struct input_dev *input = wacom->input;
874         char *data = wacom->data;
875         int i;
876         int current_num_contacts = data[2];
877         int contacts_to_send = 0;
878         int x_offset = 0;
879
880         /* MTTPC does not support Height and Width */
881         if (wacom->features.type == MTTPC)
882                 x_offset = -4;
883
884         /*
885          * First packet resets the counter since only the first
886          * packet in series will have non-zero current_num_contacts.
887          */
888         if (current_num_contacts)
889                 wacom->num_contacts_left = current_num_contacts;
890
891         /* There are at most 5 contacts per packet */
892         contacts_to_send = min(5, wacom->num_contacts_left);
893
894         for (i = 0; i < contacts_to_send; i++) {
895                 int offset = (WACOM_BYTES_PER_MT_PACKET + x_offset) * i + 3;
896                 bool touch = data[offset] & 0x1;
897                 int id = le16_to_cpup((__le16 *)&data[offset + 1]);
898                 int slot = find_slot_from_contactid(wacom, id);
899
900                 if (slot < 0)
901                         continue;
902
903                 input_mt_slot(input, slot);
904                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
905                 if (touch) {
906                         int x = le16_to_cpup((__le16 *)&data[offset + x_offset + 7]);
907                         int y = le16_to_cpup((__le16 *)&data[offset + x_offset + 9]);
908                         input_report_abs(input, ABS_MT_POSITION_X, x);
909                         input_report_abs(input, ABS_MT_POSITION_Y, y);
910                 }
911                 wacom->slots[slot] = touch ? id : -1;
912         }
913
914         input_mt_report_pointer_emulation(input, true);
915
916         wacom->num_contacts_left -= contacts_to_send;
917         if (wacom->num_contacts_left < 0)
918                 wacom->num_contacts_left = 0;
919
920         return 1;
921 }
922
923 static int wacom_tpc_mt_touch(struct wacom_wac *wacom)
924 {
925         struct input_dev *input = wacom->input;
926         unsigned char *data = wacom->data;
927         int contact_with_no_pen_down_count = 0;
928         int i;
929
930         for (i = 0; i < 2; i++) {
931                 int p = data[1] & (1 << i);
932                 bool touch = p && !wacom->shared->stylus_in_proximity;
933
934                 input_mt_slot(input, i);
935                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
936                 if (touch) {
937                         int x = le16_to_cpup((__le16 *)&data[i * 2 + 2]) & 0x7fff;
938                         int y = le16_to_cpup((__le16 *)&data[i * 2 + 6]) & 0x7fff;
939
940                         input_report_abs(input, ABS_MT_POSITION_X, x);
941                         input_report_abs(input, ABS_MT_POSITION_Y, y);
942                         contact_with_no_pen_down_count++;
943                 }
944         }
945
946         /* keep touch state for pen event */
947         wacom->shared->touch_down = (contact_with_no_pen_down_count > 0);
948
949         input_mt_report_pointer_emulation(input, true);
950
951         return 1;
952 }
953
954 static int wacom_tpc_single_touch(struct wacom_wac *wacom, size_t len)
955 {
956         char *data = wacom->data;
957         struct input_dev *input = wacom->input;
958         bool prox;
959         int x = 0, y = 0;
960
961         if (wacom->features.touch_max > 1 || len > WACOM_PKGLEN_TPC2FG)
962                 return 0;
963
964         if (!wacom->shared->stylus_in_proximity) {
965                 if (len == WACOM_PKGLEN_TPC1FG) {
966                         prox = data[0] & 0x01;
967                         x = get_unaligned_le16(&data[1]);
968                         y = get_unaligned_le16(&data[3]);
969                 } else {
970                         prox = data[1] & 0x01;
971                         x = le16_to_cpup((__le16 *)&data[2]);
972                         y = le16_to_cpup((__le16 *)&data[4]);
973                 }
974         } else
975                 /* force touch out when pen is in prox */
976                 prox = 0;
977
978         if (prox) {
979                 input_report_abs(input, ABS_X, x);
980                 input_report_abs(input, ABS_Y, y);
981         }
982         input_report_key(input, BTN_TOUCH, prox);
983
984         /* keep touch state for pen events */
985         wacom->shared->touch_down = prox;
986
987         return 1;
988 }
989
990 static int wacom_tpc_pen(struct wacom_wac *wacom)
991 {
992         struct wacom_features *features = &wacom->features;
993         char *data = wacom->data;
994         struct input_dev *input = wacom->input;
995         int pressure;
996         bool prox = data[1] & 0x20;
997
998         if (!wacom->shared->stylus_in_proximity) /* first in prox */
999                 /* Going into proximity select tool */
1000                 wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
1001
1002         /* keep pen state for touch events */
1003         wacom->shared->stylus_in_proximity = prox;
1004
1005         /* send pen events only when touch is up or forced out */
1006         if (!wacom->shared->touch_down) {
1007                 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
1008                 input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
1009                 input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
1010                 input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
1011                 pressure = ((data[7] & 0x01) << 8) | data[6];
1012                 if (pressure < 0)
1013                         pressure = features->pressure_max + pressure + 1;
1014                 input_report_abs(input, ABS_PRESSURE, pressure);
1015                 input_report_key(input, BTN_TOUCH, data[1] & 0x05);
1016                 input_report_key(input, wacom->tool[0], prox);
1017                 return 1;
1018         }
1019
1020         return 0;
1021 }
1022
1023 static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
1024 {
1025         char *data = wacom->data;
1026
1027         dev_dbg(wacom->input->dev.parent,
1028                 "%s: received report #%d\n", __func__, data[0]);
1029
1030         switch (len) {
1031         case WACOM_PKGLEN_TPC1FG:
1032                 return wacom_tpc_single_touch(wacom, len);
1033
1034         case WACOM_PKGLEN_TPC2FG:
1035                 return wacom_tpc_mt_touch(wacom);
1036
1037         default:
1038                 switch (data[0]) {
1039                 case WACOM_REPORT_TPC1FG:
1040                 case WACOM_REPORT_TPCHID:
1041                 case WACOM_REPORT_TPCST:
1042                 case WACOM_REPORT_TPC1FGE:
1043                         return wacom_tpc_single_touch(wacom, len);
1044
1045                 case WACOM_REPORT_TPCMT:
1046                         return wacom_mt_touch(wacom);
1047
1048                 case WACOM_REPORT_PENABLED:
1049                         return wacom_tpc_pen(wacom);
1050                 }
1051         }
1052
1053         return 0;
1054 }
1055
1056 static int wacom_bpt_touch(struct wacom_wac *wacom)
1057 {
1058         struct wacom_features *features = &wacom->features;
1059         struct input_dev *input = wacom->input;
1060         unsigned char *data = wacom->data;
1061         int i;
1062
1063         if (data[0] != 0x02)
1064             return 0;
1065
1066         for (i = 0; i < 2; i++) {
1067                 int offset = (data[1] & 0x80) ? (8 * i) : (9 * i);
1068                 bool touch = data[offset + 3] & 0x80;
1069
1070                 /*
1071                  * Touch events need to be disabled while stylus is
1072                  * in proximity because user's hand is resting on touchpad
1073                  * and sending unwanted events.  User expects tablet buttons
1074                  * to continue working though.
1075                  */
1076                 touch = touch && !wacom->shared->stylus_in_proximity;
1077
1078                 input_mt_slot(input, i);
1079                 input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1080                 if (touch) {
1081                         int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff;
1082                         int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff;
1083                         if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) {
1084                                 x <<= 5;
1085                                 y <<= 5;
1086                         }
1087                         input_report_abs(input, ABS_MT_POSITION_X, x);
1088                         input_report_abs(input, ABS_MT_POSITION_Y, y);
1089                 }
1090         }
1091
1092         input_mt_report_pointer_emulation(input, true);
1093
1094         input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
1095         input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
1096         input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
1097         input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
1098
1099         input_sync(input);
1100
1101         return 0;
1102 }
1103
1104 static void wacom_bpt3_touch_msg(struct wacom_wac *wacom, unsigned char *data)
1105 {
1106         struct input_dev *input = wacom->input;
1107         int slot_id = data[0] - 2;  /* data[0] is between 2 and 17 */
1108         bool touch = data[1] & 0x80;
1109
1110         touch = touch && !wacom->shared->stylus_in_proximity;
1111
1112         input_mt_slot(input, slot_id);
1113         input_mt_report_slot_state(input, MT_TOOL_FINGER, touch);
1114
1115         if (touch) {
1116                 int x = (data[2] << 4) | (data[4] >> 4);
1117                 int y = (data[3] << 4) | (data[4] & 0x0f);
1118                 int a = data[5];
1119
1120                 // "a" is a scaled-down area which we assume is roughly
1121                 // circular and which can be described as: a=(pi*r^2)/C.
1122                 int x_res  = input_abs_get_res(input, ABS_X);
1123                 int y_res  = input_abs_get_res(input, ABS_Y);
1124                 int width  = 2 * int_sqrt(a * WACOM_CONTACT_AREA_SCALE);
1125                 int height = width * y_res / x_res;
1126
1127                 input_report_abs(input, ABS_MT_POSITION_X, x);
1128                 input_report_abs(input, ABS_MT_POSITION_Y, y);
1129                 input_report_abs(input, ABS_MT_TOUCH_MAJOR, width);
1130                 input_report_abs(input, ABS_MT_TOUCH_MINOR, height);
1131         }
1132 }
1133
1134 static void wacom_bpt3_button_msg(struct wacom_wac *wacom, unsigned char *data)
1135 {
1136         struct input_dev *input = wacom->input;
1137
1138         input_report_key(input, BTN_LEFT, (data[1] & 0x08) != 0);
1139         input_report_key(input, BTN_FORWARD, (data[1] & 0x04) != 0);
1140         input_report_key(input, BTN_BACK, (data[1] & 0x02) != 0);
1141         input_report_key(input, BTN_RIGHT, (data[1] & 0x01) != 0);
1142 }
1143
1144 static int wacom_bpt3_touch(struct wacom_wac *wacom)
1145 {
1146         struct input_dev *input = wacom->input;
1147         unsigned char *data = wacom->data;
1148         int count = data[1] & 0x07;
1149         int i;
1150
1151         if (data[0] != 0x02)
1152             return 0;
1153
1154         /* data has up to 7 fixed sized 8-byte messages starting at data[2] */
1155         for (i = 0; i < count; i++) {
1156                 int offset = (8 * i) + 2;
1157                 int msg_id = data[offset];
1158
1159                 if (msg_id >= 2 && msg_id <= 17)
1160                         wacom_bpt3_touch_msg(wacom, data + offset);
1161                 else if (msg_id == 128)
1162                         wacom_bpt3_button_msg(wacom, data + offset);
1163
1164         }
1165
1166         input_mt_report_pointer_emulation(input, true);
1167
1168         input_sync(input);
1169
1170         return 0;
1171 }
1172
1173 static int wacom_bpt_pen(struct wacom_wac *wacom)
1174 {
1175         struct input_dev *input = wacom->input;
1176         unsigned char *data = wacom->data;
1177         int prox = 0, x = 0, y = 0, p = 0, d = 0, pen = 0, btn1 = 0, btn2 = 0;
1178
1179         if (data[0] != 0x02)
1180             return 0;
1181
1182         prox = (data[1] & 0x20) == 0x20;
1183
1184         /*
1185          * All reports shared between PEN and RUBBER tool must be
1186          * forced to a known starting value (zero) when transitioning to
1187          * out-of-prox.
1188          *
1189          * If not reset then, to userspace, it will look like lost events
1190          * if new tool comes in-prox with same values as previous tool sent.
1191          *
1192          * Hardware does report zero in most out-of-prox cases but not all.
1193          */
1194         if (prox) {
1195                 if (!wacom->shared->stylus_in_proximity) {
1196                         if (data[1] & 0x08) {
1197                                 wacom->tool[0] = BTN_TOOL_RUBBER;
1198                                 wacom->id[0] = ERASER_DEVICE_ID;
1199                         } else {
1200                                 wacom->tool[0] = BTN_TOOL_PEN;
1201                                 wacom->id[0] = STYLUS_DEVICE_ID;
1202                         }
1203                         wacom->shared->stylus_in_proximity = true;
1204                 }
1205                 x = le16_to_cpup((__le16 *)&data[2]);
1206                 y = le16_to_cpup((__le16 *)&data[4]);
1207                 p = le16_to_cpup((__le16 *)&data[6]);
1208                 /*
1209                  * Convert distance from out prox to distance from tablet.
1210                  * distance will be greater than distance_max once
1211                  * touching and applying pressure; do not report negative
1212                  * distance.
1213                  */
1214                 if (data[8] <= wacom->features.distance_max)
1215                         d = wacom->features.distance_max - data[8];
1216
1217                 pen = data[1] & 0x01;
1218                 btn1 = data[1] & 0x02;
1219                 btn2 = data[1] & 0x04;
1220         }
1221
1222         input_report_key(input, BTN_TOUCH, pen);
1223         input_report_key(input, BTN_STYLUS, btn1);
1224         input_report_key(input, BTN_STYLUS2, btn2);
1225
1226         input_report_abs(input, ABS_X, x);
1227         input_report_abs(input, ABS_Y, y);
1228         input_report_abs(input, ABS_PRESSURE, p);
1229         input_report_abs(input, ABS_DISTANCE, d);
1230
1231         if (!prox) {
1232                 wacom->id[0] = 0;
1233                 wacom->shared->stylus_in_proximity = false;
1234         }
1235
1236         input_report_key(input, wacom->tool[0], prox); /* PEN or RUBBER */
1237         input_report_abs(input, ABS_MISC, wacom->id[0]); /* TOOL ID */
1238
1239         return 1;
1240 }
1241
1242 static int wacom_bpt_irq(struct wacom_wac *wacom, size_t len)
1243 {
1244         if (len == WACOM_PKGLEN_BBTOUCH)
1245                 return wacom_bpt_touch(wacom);
1246         else if (len == WACOM_PKGLEN_BBTOUCH3)
1247                 return wacom_bpt3_touch(wacom);
1248         else if (len == WACOM_PKGLEN_BBFUN || len == WACOM_PKGLEN_BBPEN)
1249                 return wacom_bpt_pen(wacom);
1250
1251         return 0;
1252 }
1253
1254 static int wacom_wireless_irq(struct wacom_wac *wacom, size_t len)
1255 {
1256         unsigned char *data = wacom->data;
1257         int connected;
1258
1259         if (len != WACOM_PKGLEN_WIRELESS || data[0] != 0x80)
1260                 return 0;
1261
1262         connected = data[1] & 0x01;
1263         if (connected) {
1264                 int pid, battery;
1265
1266                 pid = get_unaligned_be16(&data[6]);
1267                 battery = data[5] & 0x3f;
1268                 if (wacom->pid != pid) {
1269                         wacom->pid = pid;
1270                         wacom_schedule_work(wacom);
1271                 }
1272                 wacom->battery_capacity = battery;
1273         } else if (wacom->pid != 0) {
1274                 /* disconnected while previously connected */
1275                 wacom->pid = 0;
1276                 wacom_schedule_work(wacom);
1277                 wacom->battery_capacity = 0;
1278         }
1279
1280         return 0;
1281 }
1282
1283 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
1284 {
1285         bool sync;
1286
1287         switch (wacom_wac->features.type) {
1288         case PENPARTNER:
1289                 sync = wacom_penpartner_irq(wacom_wac);
1290                 break;
1291
1292         case PL:
1293                 sync = wacom_pl_irq(wacom_wac);
1294                 break;
1295
1296         case WACOM_G4:
1297         case GRAPHIRE:
1298         case WACOM_MO:
1299                 sync = wacom_graphire_irq(wacom_wac);
1300                 break;
1301
1302         case PTU:
1303                 sync = wacom_ptu_irq(wacom_wac);
1304                 break;
1305
1306         case DTU:
1307                 sync = wacom_dtu_irq(wacom_wac);
1308                 break;
1309
1310         case INTUOS:
1311         case INTUOS3S:
1312         case INTUOS3:
1313         case INTUOS3L:
1314         case INTUOS4S:
1315         case INTUOS4:
1316         case INTUOS4L:
1317         case CINTIQ:
1318         case WACOM_BEE:
1319         case WACOM_21UX2:
1320         case WACOM_22HD:
1321         case WACOM_24HD:
1322                 sync = wacom_intuos_irq(wacom_wac);
1323                 break;
1324
1325         case WACOM_24HDT:
1326                 sync = wacom_24hdt_irq(wacom_wac);
1327                 break;
1328
1329         case INTUOS5S:
1330         case INTUOS5:
1331         case INTUOS5L:
1332                 if (len == WACOM_PKGLEN_BBTOUCH3)
1333                         sync = wacom_bpt3_touch(wacom_wac);
1334                 else
1335                         sync = wacom_intuos_irq(wacom_wac);
1336                 break;
1337
1338         case TABLETPC:
1339         case TABLETPCE:
1340         case TABLETPC2FG:
1341         case MTSCREEN:
1342         case MTTPC:
1343                 sync = wacom_tpc_irq(wacom_wac, len);
1344                 break;
1345
1346         case BAMBOO_PT:
1347                 sync = wacom_bpt_irq(wacom_wac, len);
1348                 break;
1349
1350         case WIRELESS:
1351                 sync = wacom_wireless_irq(wacom_wac, len);
1352                 break;
1353
1354         default:
1355                 sync = false;
1356                 break;
1357         }
1358
1359         if (sync)
1360                 input_sync(wacom_wac->input);
1361 }
1362
1363 static void wacom_setup_cintiq(struct wacom_wac *wacom_wac)
1364 {
1365         struct input_dev *input_dev = wacom_wac->input;
1366
1367         input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
1368
1369         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1370         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1371         __set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
1372         __set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
1373         __set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
1374         __set_bit(BTN_STYLUS, input_dev->keybit);
1375         __set_bit(BTN_STYLUS2, input_dev->keybit);
1376
1377         input_set_abs_params(input_dev, ABS_DISTANCE,
1378                              0, wacom_wac->features.distance_max, 0, 0);
1379         input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
1380         input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
1381         input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
1382 }
1383
1384 static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
1385 {
1386         struct input_dev *input_dev = wacom_wac->input;
1387
1388         input_set_capability(input_dev, EV_REL, REL_WHEEL);
1389
1390         wacom_setup_cintiq(wacom_wac);
1391
1392         __set_bit(BTN_LEFT, input_dev->keybit);
1393         __set_bit(BTN_RIGHT, input_dev->keybit);
1394         __set_bit(BTN_MIDDLE, input_dev->keybit);
1395         __set_bit(BTN_SIDE, input_dev->keybit);
1396         __set_bit(BTN_EXTRA, input_dev->keybit);
1397         __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
1398         __set_bit(BTN_TOOL_LENS, input_dev->keybit);
1399
1400         input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
1401         input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
1402 }
1403
1404 void wacom_setup_device_quirks(struct wacom_features *features)
1405 {
1406
1407         /* touch device found but size is not defined. use default */
1408         if (features->device_type == BTN_TOOL_FINGER && !features->x_max) {
1409                 features->x_max = 1023;
1410                 features->y_max = 1023;
1411         }
1412
1413         /* these device have multiple inputs */
1414         if (features->type >= WIRELESS ||
1415             (features->type >= INTUOS5S && features->type <= INTUOS5L) ||
1416             (features->oVid && features->oPid))
1417                 features->quirks |= WACOM_QUIRK_MULTI_INPUT;
1418
1419         /* quirk for bamboo touch with 2 low res touches */
1420         if (features->type == BAMBOO_PT &&
1421             features->pktlen == WACOM_PKGLEN_BBTOUCH) {
1422                 features->x_max <<= 5;
1423                 features->y_max <<= 5;
1424                 features->x_fuzz <<= 5;
1425                 features->y_fuzz <<= 5;
1426                 features->quirks |= WACOM_QUIRK_BBTOUCH_LOWRES;
1427         }
1428
1429         if (features->type == WIRELESS) {
1430
1431                 /* monitor never has input and pen/touch have delayed create */
1432                 features->quirks |= WACOM_QUIRK_NO_INPUT;
1433
1434                 /* must be monitor interface if no device_type set */
1435                 if (!features->device_type)
1436                         features->quirks |= WACOM_QUIRK_MONITOR;
1437         }
1438 }
1439
1440 static unsigned int wacom_calculate_touch_res(unsigned int logical_max,
1441                                               unsigned int physical_max)
1442 {
1443        /* Touch physical dimensions are in 100th of mm */
1444        return (logical_max * 100) / physical_max;
1445 }
1446
1447 int wacom_setup_input_capabilities(struct input_dev *input_dev,
1448                                    struct wacom_wac *wacom_wac)
1449 {
1450         struct wacom_features *features = &wacom_wac->features;
1451         int i;
1452
1453         input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
1454
1455         __set_bit(BTN_TOUCH, input_dev->keybit);
1456
1457         input_set_abs_params(input_dev, ABS_X, 0, features->x_max,
1458                              features->x_fuzz, 0);
1459         input_set_abs_params(input_dev, ABS_Y, 0, features->y_max,
1460                              features->y_fuzz, 0);
1461
1462         if (features->device_type == BTN_TOOL_PEN) {
1463                 input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max,
1464                              features->pressure_fuzz, 0);
1465
1466                 /* penabled devices have fixed resolution for each model */
1467                 input_abs_set_res(input_dev, ABS_X, features->x_resolution);
1468                 input_abs_set_res(input_dev, ABS_Y, features->y_resolution);
1469         } else {
1470                 input_abs_set_res(input_dev, ABS_X,
1471                         wacom_calculate_touch_res(features->x_max,
1472                                                 features->x_phy));
1473                 input_abs_set_res(input_dev, ABS_Y,
1474                         wacom_calculate_touch_res(features->y_max,
1475                                                 features->y_phy));
1476         }
1477
1478         __set_bit(ABS_MISC, input_dev->absbit);
1479
1480         switch (wacom_wac->features.type) {
1481         case WACOM_MO:
1482                 input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
1483                 /* fall through */
1484
1485         case WACOM_G4:
1486                 input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
1487
1488                 __set_bit(BTN_BACK, input_dev->keybit);
1489                 __set_bit(BTN_FORWARD, input_dev->keybit);
1490                 /* fall through */
1491
1492         case GRAPHIRE:
1493                 input_set_capability(input_dev, EV_REL, REL_WHEEL);
1494
1495                 __set_bit(BTN_LEFT, input_dev->keybit);
1496                 __set_bit(BTN_RIGHT, input_dev->keybit);
1497                 __set_bit(BTN_MIDDLE, input_dev->keybit);
1498
1499                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1500                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1501                 __set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
1502                 __set_bit(BTN_STYLUS, input_dev->keybit);
1503                 __set_bit(BTN_STYLUS2, input_dev->keybit);
1504
1505                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1506                 break;
1507
1508         case WACOM_24HD:
1509                 __set_bit(BTN_A, input_dev->keybit);
1510                 __set_bit(BTN_B, input_dev->keybit);
1511                 __set_bit(BTN_C, input_dev->keybit);
1512                 __set_bit(BTN_X, input_dev->keybit);
1513                 __set_bit(BTN_Y, input_dev->keybit);
1514                 __set_bit(BTN_Z, input_dev->keybit);
1515
1516                 for (i = 0; i < 10; i++)
1517                         __set_bit(BTN_0 + i, input_dev->keybit);
1518
1519                 __set_bit(KEY_PROG1, input_dev->keybit);
1520                 __set_bit(KEY_PROG2, input_dev->keybit);
1521                 __set_bit(KEY_PROG3, input_dev->keybit);
1522
1523                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1524                 input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0);
1525
1526                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
1527
1528                 wacom_setup_cintiq(wacom_wac);
1529                 break;
1530
1531         case WACOM_22HD:
1532                 __set_bit(KEY_PROG1, input_dev->keybit);
1533                 __set_bit(KEY_PROG2, input_dev->keybit);
1534                 __set_bit(KEY_PROG3, input_dev->keybit);
1535                 /* fall through */
1536
1537         case WACOM_21UX2:
1538                 __set_bit(BTN_A, input_dev->keybit);
1539                 __set_bit(BTN_B, input_dev->keybit);
1540                 __set_bit(BTN_C, input_dev->keybit);
1541                 __set_bit(BTN_X, input_dev->keybit);
1542                 __set_bit(BTN_Y, input_dev->keybit);
1543                 __set_bit(BTN_Z, input_dev->keybit);
1544                 __set_bit(BTN_BASE, input_dev->keybit);
1545                 __set_bit(BTN_BASE2, input_dev->keybit);
1546                 /* fall through */
1547
1548         case WACOM_BEE:
1549                 __set_bit(BTN_8, input_dev->keybit);
1550                 __set_bit(BTN_9, input_dev->keybit);
1551                 /* fall through */
1552
1553         case CINTIQ:
1554                 for (i = 0; i < 8; i++)
1555                         __set_bit(BTN_0 + i, input_dev->keybit);
1556
1557                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
1558                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
1559                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1560
1561                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
1562
1563                 wacom_setup_cintiq(wacom_wac);
1564                 break;
1565
1566         case INTUOS3:
1567         case INTUOS3L:
1568                 __set_bit(BTN_4, input_dev->keybit);
1569                 __set_bit(BTN_5, input_dev->keybit);
1570                 __set_bit(BTN_6, input_dev->keybit);
1571                 __set_bit(BTN_7, input_dev->keybit);
1572
1573                 input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
1574                 /* fall through */
1575
1576         case INTUOS3S:
1577                 __set_bit(BTN_0, input_dev->keybit);
1578                 __set_bit(BTN_1, input_dev->keybit);
1579                 __set_bit(BTN_2, input_dev->keybit);
1580                 __set_bit(BTN_3, input_dev->keybit);
1581
1582                 input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
1583                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1584                 /* fall through */
1585
1586         case INTUOS:
1587                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1588
1589                 wacom_setup_intuos(wacom_wac);
1590                 break;
1591
1592         case INTUOS5:
1593         case INTUOS5L:
1594                 if (features->device_type == BTN_TOOL_PEN) {
1595                         __set_bit(BTN_7, input_dev->keybit);
1596                         __set_bit(BTN_8, input_dev->keybit);
1597                 }
1598                 /* fall through */
1599
1600         case INTUOS5S:
1601                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1602
1603                 if (features->device_type == BTN_TOOL_PEN) {
1604                         for (i = 0; i < 7; i++)
1605                                 __set_bit(BTN_0 + i, input_dev->keybit);
1606
1607                         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
1608                                               features->distance_max,
1609                                               0, 0);
1610
1611                         input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1612
1613                         wacom_setup_intuos(wacom_wac);
1614                 } else if (features->device_type == BTN_TOOL_FINGER) {
1615                         __clear_bit(ABS_MISC, input_dev->absbit);
1616
1617                         __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
1618                         __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
1619                         __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
1620                         __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit);
1621
1622                         input_mt_init_slots(input_dev, features->touch_max, 0);
1623
1624                         input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
1625                                              0, features->x_max, 0, 0);
1626                         input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR,
1627                                              0, features->y_max, 0, 0);
1628
1629                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
1630                                              0, features->x_max,
1631                                              features->x_fuzz, 0);
1632                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
1633                                              0, features->y_max,
1634                                              features->y_fuzz, 0);
1635                 }
1636                 break;
1637
1638         case INTUOS4:
1639         case INTUOS4L:
1640                 __set_bit(BTN_7, input_dev->keybit);
1641                 __set_bit(BTN_8, input_dev->keybit);
1642                 /* fall through */
1643
1644         case INTUOS4S:
1645                 for (i = 0; i < 7; i++)
1646                         __set_bit(BTN_0 + i, input_dev->keybit);
1647
1648                 input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
1649                 wacom_setup_intuos(wacom_wac);
1650
1651                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1652                 break;
1653
1654         case WACOM_24HDT:
1655                 if (features->device_type == BTN_TOOL_FINGER) {
1656                         input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, features->x_max, 0, 0);
1657                         input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, 0, features->x_max, 0, 0);
1658                         input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, 0, features->y_max, 0, 0);
1659                         input_set_abs_params(input_dev, ABS_MT_ORIENTATION, 0, 1, 0, 0);
1660                 }
1661                 /* fall through */
1662
1663         case MTSCREEN:
1664         case MTTPC:
1665                 if (features->device_type == BTN_TOOL_FINGER) {
1666                         wacom_wac->slots = kmalloc(features->touch_max *
1667                                                         sizeof(int),
1668                                                    GFP_KERNEL);
1669                         if (!wacom_wac->slots)
1670                                 return -ENOMEM;
1671
1672                         for (i = 0; i < features->touch_max; i++)
1673                                 wacom_wac->slots[i] = -1;
1674                 }
1675                 /* fall through */
1676
1677         case TABLETPC2FG:
1678                 if (features->device_type == BTN_TOOL_FINGER) {
1679                         input_mt_init_slots(input_dev, features->touch_max, 0);
1680                         input_set_abs_params(input_dev, ABS_MT_TOOL_TYPE,
1681                                         0, MT_TOOL_MAX, 0, 0);
1682                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
1683                                         0, features->x_max, 0, 0);
1684                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
1685                                         0, features->y_max, 0, 0);
1686                 }
1687                 /* fall through */
1688
1689         case TABLETPC:
1690         case TABLETPCE:
1691                 __clear_bit(ABS_MISC, input_dev->absbit);
1692
1693                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
1694
1695                 if (features->device_type != BTN_TOOL_PEN)
1696                         break;  /* no need to process stylus stuff */
1697
1698                 /* fall through */
1699
1700         case PL:
1701         case DTU:
1702                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1703                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1704                 __set_bit(BTN_STYLUS, input_dev->keybit);
1705                 __set_bit(BTN_STYLUS2, input_dev->keybit);
1706
1707                 __set_bit(INPUT_PROP_DIRECT, input_dev->propbit);
1708                 break;
1709
1710         case PTU:
1711                 __set_bit(BTN_STYLUS2, input_dev->keybit);
1712                 /* fall through */
1713
1714         case PENPARTNER:
1715                 __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1716                 __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1717                 __set_bit(BTN_STYLUS, input_dev->keybit);
1718
1719                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1720                 break;
1721
1722         case BAMBOO_PT:
1723                 __clear_bit(ABS_MISC, input_dev->absbit);
1724
1725                 __set_bit(INPUT_PROP_POINTER, input_dev->propbit);
1726
1727                 if (features->device_type == BTN_TOOL_FINGER) {
1728                         __set_bit(BTN_LEFT, input_dev->keybit);
1729                         __set_bit(BTN_FORWARD, input_dev->keybit);
1730                         __set_bit(BTN_BACK, input_dev->keybit);
1731                         __set_bit(BTN_RIGHT, input_dev->keybit);
1732
1733                         __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
1734                         __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
1735                         input_mt_init_slots(input_dev, features->touch_max, 0);
1736
1737                         if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) {
1738                                 __set_bit(BTN_TOOL_TRIPLETAP,
1739                                           input_dev->keybit);
1740                                 __set_bit(BTN_TOOL_QUADTAP,
1741                                           input_dev->keybit);
1742
1743                                 input_set_abs_params(input_dev,
1744                                                      ABS_MT_TOUCH_MAJOR,
1745                                                      0, features->x_max, 0, 0);
1746                                 input_set_abs_params(input_dev,
1747                                                      ABS_MT_TOUCH_MINOR,
1748                                                      0, features->y_max, 0, 0);
1749                         }
1750
1751                         input_set_abs_params(input_dev, ABS_MT_POSITION_X,
1752                                              0, features->x_max,
1753                                              features->x_fuzz, 0);
1754                         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
1755                                              0, features->y_max,
1756                                              features->y_fuzz, 0);
1757                 } else if (features->device_type == BTN_TOOL_PEN) {
1758                         __set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
1759                         __set_bit(BTN_TOOL_PEN, input_dev->keybit);
1760                         __set_bit(BTN_STYLUS, input_dev->keybit);
1761                         __set_bit(BTN_STYLUS2, input_dev->keybit);
1762                         input_set_abs_params(input_dev, ABS_DISTANCE, 0,
1763                                               features->distance_max,
1764                                               0, 0);
1765                 }
1766                 break;
1767         }
1768         return 0;
1769 }
1770
1771 static const struct wacom_features wacom_features_0x00 =
1772         { "Wacom Penpartner",     WACOM_PKGLEN_PENPRTN,    5040,  3780,  255,
1773           0, PENPARTNER, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
1774 static const struct wacom_features wacom_features_0x10 =
1775         { "Wacom Graphire",       WACOM_PKGLEN_GRAPHIRE,  10206,  7422,  511,
1776           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1777 static const struct wacom_features wacom_features_0x11 =
1778         { "Wacom Graphire2 4x5",  WACOM_PKGLEN_GRAPHIRE,  10206,  7422,  511,
1779           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1780 static const struct wacom_features wacom_features_0x12 =
1781         { "Wacom Graphire2 5x7",  WACOM_PKGLEN_GRAPHIRE,  13918, 10206,  511,
1782           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1783 static const struct wacom_features wacom_features_0x13 =
1784         { "Wacom Graphire3",      WACOM_PKGLEN_GRAPHIRE,  10208,  7424,  511,
1785           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1786 static const struct wacom_features wacom_features_0x14 =
1787         { "Wacom Graphire3 6x8",  WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511,
1788           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1789 static const struct wacom_features wacom_features_0x15 =
1790         { "Wacom Graphire4 4x5",  WACOM_PKGLEN_GRAPHIRE,  10208,  7424,  511,
1791           63, WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1792 static const struct wacom_features wacom_features_0x16 =
1793         { "Wacom Graphire4 6x8",  WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511,
1794           63, WACOM_G4, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1795 static const struct wacom_features wacom_features_0x17 =
1796         { "Wacom BambooFun 4x5",  WACOM_PKGLEN_BBFUN,     14760,  9225,  511,
1797           63, WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1798 static const struct wacom_features wacom_features_0x18 =
1799         { "Wacom BambooFun 6x8",  WACOM_PKGLEN_BBFUN,     21648, 13530,  511,
1800           63, WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1801 static const struct wacom_features wacom_features_0x19 =
1802         { "Wacom Bamboo1 Medium", WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511,
1803           63, GRAPHIRE, WACOM_GRAPHIRE_RES, WACOM_GRAPHIRE_RES };
1804 static const struct wacom_features wacom_features_0x60 =
1805         { "Wacom Volito",         WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511,
1806           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1807 static const struct wacom_features wacom_features_0x61 =
1808         { "Wacom PenStation2",    WACOM_PKGLEN_GRAPHIRE,   3250,  2320,  255,
1809           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1810 static const struct wacom_features wacom_features_0x62 =
1811         { "Wacom Volito2 4x5",    WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511,
1812           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1813 static const struct wacom_features wacom_features_0x63 =
1814         { "Wacom Volito2 2x3",    WACOM_PKGLEN_GRAPHIRE,   3248,  2320,  511,
1815           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1816 static const struct wacom_features wacom_features_0x64 =
1817         { "Wacom PenPartner2",    WACOM_PKGLEN_GRAPHIRE,   3250,  2320,  511,
1818           63, GRAPHIRE, WACOM_VOLITO_RES, WACOM_VOLITO_RES };
1819 static const struct wacom_features wacom_features_0x65 =
1820         { "Wacom Bamboo",         WACOM_PKGLEN_BBFUN,     14760,  9225,  511,
1821           63, WACOM_MO, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1822 static const struct wacom_features wacom_features_0x69 =
1823         { "Wacom Bamboo1",        WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511,
1824           63, GRAPHIRE, WACOM_PENPRTN_RES, WACOM_PENPRTN_RES };
1825 static const struct wacom_features wacom_features_0x6A =
1826         { "Wacom Bamboo1 4x6",    WACOM_PKGLEN_GRAPHIRE,  14760,  9225, 1023,
1827           63, GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1828 static const struct wacom_features wacom_features_0x6B =
1829         { "Wacom Bamboo1 5x8",    WACOM_PKGLEN_GRAPHIRE,  21648, 13530, 1023,
1830           63, GRAPHIRE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1831 static const struct wacom_features wacom_features_0x20 =
1832         { "Wacom Intuos 4x5",     WACOM_PKGLEN_INTUOS,    12700, 10600, 1023,
1833           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1834 static const struct wacom_features wacom_features_0x21 =
1835         { "Wacom Intuos 6x8",     WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
1836           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1837 static const struct wacom_features wacom_features_0x22 =
1838         { "Wacom Intuos 9x12",    WACOM_PKGLEN_INTUOS,    30480, 24060, 1023,
1839           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1840 static const struct wacom_features wacom_features_0x23 =
1841         { "Wacom Intuos 12x12",   WACOM_PKGLEN_INTUOS,    30480, 31680, 1023,
1842           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1843 static const struct wacom_features wacom_features_0x24 =
1844         { "Wacom Intuos 12x18",   WACOM_PKGLEN_INTUOS,    45720, 31680, 1023,
1845           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1846 static const struct wacom_features wacom_features_0x30 =
1847         { "Wacom PL400",          WACOM_PKGLEN_GRAPHIRE,   5408,  4056,  255,
1848           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1849 static const struct wacom_features wacom_features_0x31 =
1850         { "Wacom PL500",          WACOM_PKGLEN_GRAPHIRE,   6144,  4608,  255,
1851           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1852 static const struct wacom_features wacom_features_0x32 =
1853         { "Wacom PL600",          WACOM_PKGLEN_GRAPHIRE,   6126,  4604,  255,
1854           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1855 static const struct wacom_features wacom_features_0x33 =
1856         { "Wacom PL600SX",        WACOM_PKGLEN_GRAPHIRE,   6260,  5016,  255,
1857           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1858 static const struct wacom_features wacom_features_0x34 =
1859         { "Wacom PL550",          WACOM_PKGLEN_GRAPHIRE,   6144,  4608,  511,
1860           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1861 static const struct wacom_features wacom_features_0x35 =
1862         { "Wacom PL800",          WACOM_PKGLEN_GRAPHIRE,   7220,  5780,  511,
1863           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1864 static const struct wacom_features wacom_features_0x37 =
1865         { "Wacom PL700",          WACOM_PKGLEN_GRAPHIRE,   6758,  5406,  511,
1866           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1867 static const struct wacom_features wacom_features_0x38 =
1868         { "Wacom PL510",          WACOM_PKGLEN_GRAPHIRE,   6282,  4762,  511,
1869           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1870 static const struct wacom_features wacom_features_0x39 =
1871         { "Wacom DTU710",         WACOM_PKGLEN_GRAPHIRE,  34080, 27660,  511,
1872           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1873 static const struct wacom_features wacom_features_0xC4 =
1874         { "Wacom DTF521",         WACOM_PKGLEN_GRAPHIRE,   6282,  4762,  511,
1875           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1876 static const struct wacom_features wacom_features_0xC0 =
1877         { "Wacom DTF720",         WACOM_PKGLEN_GRAPHIRE,   6858,  5506,  511,
1878           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1879 static const struct wacom_features wacom_features_0xC2 =
1880         { "Wacom DTF720a",        WACOM_PKGLEN_GRAPHIRE,   6858,  5506,  511,
1881           0, PL, WACOM_PL_RES, WACOM_PL_RES };
1882 static const struct wacom_features wacom_features_0x03 =
1883         { "Wacom Cintiq Partner", WACOM_PKGLEN_GRAPHIRE,  20480, 15360,  511,
1884           0, PTU, WACOM_PL_RES, WACOM_PL_RES };
1885 static const struct wacom_features wacom_features_0x41 =
1886         { "Wacom Intuos2 4x5",    WACOM_PKGLEN_INTUOS,    12700, 10600, 1023,
1887           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1888 static const struct wacom_features wacom_features_0x42 =
1889         { "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
1890           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1891 static const struct wacom_features wacom_features_0x43 =
1892         { "Wacom Intuos2 9x12",   WACOM_PKGLEN_INTUOS,    30480, 24060, 1023,
1893           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1894 static const struct wacom_features wacom_features_0x44 =
1895         { "Wacom Intuos2 12x12",  WACOM_PKGLEN_INTUOS,    30480, 31680, 1023,
1896           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1897 static const struct wacom_features wacom_features_0x45 =
1898         { "Wacom Intuos2 12x18",  WACOM_PKGLEN_INTUOS,    45720, 31680, 1023,
1899           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1900 static const struct wacom_features wacom_features_0xB0 =
1901         { "Wacom Intuos3 4x5",    WACOM_PKGLEN_INTUOS,    25400, 20320, 1023,
1902           63, INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1903 static const struct wacom_features wacom_features_0xB1 =
1904         { "Wacom Intuos3 6x8",    WACOM_PKGLEN_INTUOS,    40640, 30480, 1023,
1905           63, INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1906 static const struct wacom_features wacom_features_0xB2 =
1907         { "Wacom Intuos3 9x12",   WACOM_PKGLEN_INTUOS,    60960, 45720, 1023,
1908           63, INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1909 static const struct wacom_features wacom_features_0xB3 =
1910         { "Wacom Intuos3 12x12",  WACOM_PKGLEN_INTUOS,    60960, 60960, 1023,
1911           63, INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1912 static const struct wacom_features wacom_features_0xB4 =
1913         { "Wacom Intuos3 12x19",  WACOM_PKGLEN_INTUOS,    97536, 60960, 1023,
1914           63, INTUOS3L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1915 static const struct wacom_features wacom_features_0xB5 =
1916         { "Wacom Intuos3 6x11",   WACOM_PKGLEN_INTUOS,    54204, 31750, 1023,
1917           63, INTUOS3, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1918 static const struct wacom_features wacom_features_0xB7 =
1919         { "Wacom Intuos3 4x6",    WACOM_PKGLEN_INTUOS,    31496, 19685, 1023,
1920           63, INTUOS3S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1921 static const struct wacom_features wacom_features_0xB8 =
1922         { "Wacom Intuos4 4x6",    WACOM_PKGLEN_INTUOS,    31496, 19685, 2047,
1923           63, INTUOS4S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1924 static const struct wacom_features wacom_features_0xB9 =
1925         { "Wacom Intuos4 6x9",    WACOM_PKGLEN_INTUOS,    44704, 27940, 2047,
1926           63, INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1927 static const struct wacom_features wacom_features_0xBA =
1928         { "Wacom Intuos4 8x13",   WACOM_PKGLEN_INTUOS,    65024, 40640, 2047,
1929           63, INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1930 static const struct wacom_features wacom_features_0xBB =
1931         { "Wacom Intuos4 12x19",  WACOM_PKGLEN_INTUOS,    97536, 60960, 2047,
1932           63, INTUOS4L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1933 static const struct wacom_features wacom_features_0xBC =
1934         { "Wacom Intuos4 WL",     WACOM_PKGLEN_INTUOS,    40840, 25400, 2047,
1935           63, INTUOS4, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1936 static const struct wacom_features wacom_features_0x26 =
1937         { "Wacom Intuos5 touch S", WACOM_PKGLEN_INTUOS,  31496, 19685, 2047,
1938           63, INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
1939           .touch_max = 16 };
1940 static const struct wacom_features wacom_features_0x27 =
1941         { "Wacom Intuos5 touch M", WACOM_PKGLEN_INTUOS,  44704, 27940, 2047,
1942           63, INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
1943           .touch_max = 16 };
1944 static const struct wacom_features wacom_features_0x28 =
1945         { "Wacom Intuos5 touch L", WACOM_PKGLEN_INTUOS, 65024, 40640, 2047,
1946           63, INTUOS5L, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES,
1947           .touch_max = 16 };
1948 static const struct wacom_features wacom_features_0x29 =
1949         { "Wacom Intuos5 S", WACOM_PKGLEN_INTUOS,  31496, 19685, 2047,
1950           63, INTUOS5S, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1951 static const struct wacom_features wacom_features_0x2A =
1952         { "Wacom Intuos5 M", WACOM_PKGLEN_INTUOS,  44704, 27940, 2047,
1953           63, INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1954 static const struct wacom_features wacom_features_0xF4 =
1955         { "Wacom Cintiq 24HD",       WACOM_PKGLEN_INTUOS,   104480, 65600, 2047,
1956           63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1957 static const struct wacom_features wacom_features_0xF8 =
1958         { "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS,   104480, 65600, 2047, /* Pen */
1959           63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf6 };
1960 static const struct wacom_features wacom_features_0xF6 =
1961         { "Wacom Cintiq 24HD touch", .type = WACOM_24HDT, /* Touch */
1962           .oVid = USB_VENDOR_ID_WACOM, .oPid = 0xf8, .touch_max = 10 };
1963 static const struct wacom_features wacom_features_0x3F =
1964         { "Wacom Cintiq 21UX",    WACOM_PKGLEN_INTUOS,    87200, 65600, 1023,
1965           63, CINTIQ, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1966 static const struct wacom_features wacom_features_0xC5 =
1967         { "Wacom Cintiq 20WSX",   WACOM_PKGLEN_INTUOS,    86680, 54180, 1023,
1968           63, WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1969 static const struct wacom_features wacom_features_0xC6 =
1970         { "Wacom Cintiq 12WX",    WACOM_PKGLEN_INTUOS,    53020, 33440, 1023,
1971           63, WACOM_BEE, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1972 static const struct wacom_features wacom_features_0xC7 =
1973         { "Wacom DTU1931",        WACOM_PKGLEN_GRAPHIRE,  37832, 30305,  511,
1974           0, PL, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1975 static const struct wacom_features wacom_features_0xCE =
1976         { "Wacom DTU2231",        WACOM_PKGLEN_GRAPHIRE,  47864, 27011,  511,
1977           0, DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1978 static const struct wacom_features wacom_features_0xF0 =
1979         { "Wacom DTU1631",        WACOM_PKGLEN_GRAPHIRE,  34623, 19553,  511,
1980           0, DTU, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1981 static const struct wacom_features wacom_features_0xCC =
1982         { "Wacom Cintiq 21UX2",   WACOM_PKGLEN_INTUOS,    87200, 65600, 2047,
1983           63, WACOM_21UX2, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1984 static const struct wacom_features wacom_features_0xFA =
1985         { "Wacom Cintiq 22HD",    WACOM_PKGLEN_INTUOS,    95840, 54260, 2047,
1986           63, WACOM_22HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES };
1987 static const struct wacom_features wacom_features_0x90 =
1988         { "Wacom ISDv4 90",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
1989           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1990 static const struct wacom_features wacom_features_0x93 =
1991         { "Wacom ISDv4 93",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
1992           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1993 static const struct wacom_features wacom_features_0x97 =
1994         { "Wacom ISDv4 97",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  511,
1995           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1996 static const struct wacom_features wacom_features_0x9A =
1997         { "Wacom ISDv4 9A",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
1998           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
1999 static const struct wacom_features wacom_features_0x9F =
2000         { "Wacom ISDv4 9F",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
2001           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2002 static const struct wacom_features wacom_features_0xE2 =
2003         { "Wacom ISDv4 E2",       WACOM_PKGLEN_TPC2FG,    26202, 16325,  255,
2004           0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2005           .touch_max = 2 };
2006 static const struct wacom_features wacom_features_0xE3 =
2007         { "Wacom ISDv4 E3",       WACOM_PKGLEN_TPC2FG,    26202, 16325,  255,
2008           0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2009           .touch_max = 2 };
2010 static const struct wacom_features wacom_features_0xE5 =
2011         { "Wacom ISDv4 E5",       WACOM_PKGLEN_MTOUCH,    26202, 16325,  255,
2012           0, MTSCREEN, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2013 static const struct wacom_features wacom_features_0xE6 =
2014         { "Wacom ISDv4 E6",       WACOM_PKGLEN_TPC2FG,    27760, 15694,  255,
2015           0, TABLETPC2FG, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2016         .touch_max = 2 };
2017 static const struct wacom_features wacom_features_0xEC =
2018         { "Wacom ISDv4 EC",       WACOM_PKGLEN_GRAPHIRE,  25710, 14500,  255,
2019           0, TABLETPC,    WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2020 static const struct wacom_features wacom_features_0xED =
2021         { "Wacom ISDv4 ED",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
2022           0, TABLETPCE, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2023 static const struct wacom_features wacom_features_0xEF =
2024         { "Wacom ISDv4 EF",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,
2025           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2026 static const struct wacom_features wacom_features_0x100 =
2027         { "Wacom ISDv4 100",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255,
2028           0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2029 static const struct wacom_features wacom_features_0x101 =
2030         { "Wacom ISDv4 101",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255,
2031           0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2032 static const struct wacom_features wacom_features_0x4001 =
2033         { "Wacom ISDv4 4001",      WACOM_PKGLEN_MTTPC,     26202, 16325,  255,
2034           0, MTTPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2035 static const struct wacom_features wacom_features_0x47 =
2036         { "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023,
2037           31, INTUOS, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2038 static const struct wacom_features wacom_features_0x84 =
2039         { "Wacom Wireless Receiver", WACOM_PKGLEN_WIRELESS, 0, 0, 0,
2040           0, WIRELESS, 0, 0, .touch_max = 16 };
2041 static const struct wacom_features wacom_features_0xD0 =
2042         { "Wacom Bamboo 2FG",     WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
2043           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2044           .touch_max = 2 };
2045 static const struct wacom_features wacom_features_0xD1 =
2046         { "Wacom Bamboo 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_0xD2 =
2050         { "Wacom Bamboo Craft",   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_0xD3 =
2054         { "Wacom Bamboo 2FG 6x8", 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_0xD4 =
2058         { "Wacom Bamboo Pen",     WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
2059           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2060 static const struct wacom_features wacom_features_0xD5 =
2061         { "Wacom Bamboo Pen 6x8",     WACOM_PKGLEN_BBFUN, 21648, 13700, 1023,
2062           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2063 static const struct wacom_features wacom_features_0xD6 =
2064         { "Wacom BambooPT 2FG 4x5", WACOM_PKGLEN_BBFUN,   14720,  9200, 1023,
2065           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2066           .touch_max = 2 };
2067 static const struct wacom_features wacom_features_0xD7 =
2068         { "Wacom BambooPT 2FG Small", WACOM_PKGLEN_BBFUN, 14720,  9200, 1023,
2069           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2070           .touch_max = 2 };
2071 static const struct wacom_features wacom_features_0xD8 =
2072         { "Wacom Bamboo Comic 2FG", WACOM_PKGLEN_BBFUN,   21648, 13700, 1023,
2073           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2074           .touch_max = 2 };
2075 static const struct wacom_features wacom_features_0xDA =
2076         { "Wacom Bamboo 2FG 4x5 SE", WACOM_PKGLEN_BBFUN,  14720,  9200, 1023,
2077           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2078           .touch_max = 2 };
2079 static struct wacom_features wacom_features_0xDB =
2080         { "Wacom Bamboo 2FG 6x8 SE", WACOM_PKGLEN_BBFUN,  21648, 13700, 1023,
2081           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2082           .touch_max = 2 };
2083 static const struct wacom_features wacom_features_0xDD =
2084         { "Wacom Bamboo Connect", WACOM_PKGLEN_BBPEN,     14720,  9200, 1023,
2085           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2086 static const struct wacom_features wacom_features_0xDE =
2087         { "Wacom Bamboo 16FG 4x5", WACOM_PKGLEN_BBPEN,    14720,  9200, 1023,
2088           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2089           .touch_max = 16 };
2090 static const struct wacom_features wacom_features_0xDF =
2091         { "Wacom Bamboo 16FG 6x8", WACOM_PKGLEN_BBPEN,    21648, 13700, 1023,
2092           31, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES,
2093           .touch_max = 16 };
2094 static const struct wacom_features wacom_features_0x6004 =
2095         { "ISD-V4",               WACOM_PKGLEN_GRAPHIRE,  12800,  8000,  255,
2096           0, TABLETPC, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
2097
2098 #define USB_DEVICE_WACOM(prod)                                  \
2099         USB_DEVICE(USB_VENDOR_ID_WACOM, prod),                  \
2100         .driver_info = (kernel_ulong_t)&wacom_features_##prod
2101
2102 #define USB_DEVICE_DETAILED(prod, class, sub, proto)                    \
2103         USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_WACOM, prod, class, \
2104                                       sub, proto),                      \
2105         .driver_info = (kernel_ulong_t)&wacom_features_##prod
2106
2107 #define USB_DEVICE_LENOVO(prod)                                 \
2108         USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),                 \
2109         .driver_info = (kernel_ulong_t)&wacom_features_##prod
2110
2111 const struct usb_device_id wacom_ids[] = {
2112         { USB_DEVICE_WACOM(0x00) },
2113         { USB_DEVICE_WACOM(0x10) },
2114         { USB_DEVICE_WACOM(0x11) },
2115         { USB_DEVICE_WACOM(0x12) },
2116         { USB_DEVICE_WACOM(0x13) },
2117         { USB_DEVICE_WACOM(0x14) },
2118         { USB_DEVICE_WACOM(0x15) },
2119         { USB_DEVICE_WACOM(0x16) },
2120         { USB_DEVICE_WACOM(0x17) },
2121         { USB_DEVICE_WACOM(0x18) },
2122         { USB_DEVICE_WACOM(0x19) },
2123         { USB_DEVICE_WACOM(0x60) },
2124         { USB_DEVICE_WACOM(0x61) },
2125         { USB_DEVICE_WACOM(0x62) },
2126         { USB_DEVICE_WACOM(0x63) },
2127         { USB_DEVICE_WACOM(0x64) },
2128         { USB_DEVICE_WACOM(0x65) },
2129         { USB_DEVICE_WACOM(0x69) },
2130         { USB_DEVICE_WACOM(0x6A) },
2131         { USB_DEVICE_WACOM(0x6B) },
2132         { USB_DEVICE_WACOM(0x20) },
2133         { USB_DEVICE_WACOM(0x21) },
2134         { USB_DEVICE_WACOM(0x22) },
2135         { USB_DEVICE_WACOM(0x23) },
2136         { USB_DEVICE_WACOM(0x24) },
2137         { USB_DEVICE_WACOM(0x30) },
2138         { USB_DEVICE_WACOM(0x31) },
2139         { USB_DEVICE_WACOM(0x32) },
2140         { USB_DEVICE_WACOM(0x33) },
2141         { USB_DEVICE_WACOM(0x34) },
2142         { USB_DEVICE_WACOM(0x35) },
2143         { USB_DEVICE_WACOM(0x37) },
2144         { USB_DEVICE_WACOM(0x38) },
2145         { USB_DEVICE_WACOM(0x39) },
2146         { USB_DEVICE_WACOM(0xC4) },
2147         { USB_DEVICE_WACOM(0xC0) },
2148         { USB_DEVICE_WACOM(0xC2) },
2149         { USB_DEVICE_WACOM(0x03) },
2150         { USB_DEVICE_WACOM(0x41) },
2151         { USB_DEVICE_WACOM(0x42) },
2152         { USB_DEVICE_WACOM(0x43) },
2153         { USB_DEVICE_WACOM(0x44) },
2154         { USB_DEVICE_WACOM(0x45) },
2155         { USB_DEVICE_WACOM(0xB0) },
2156         { USB_DEVICE_WACOM(0xB1) },
2157         { USB_DEVICE_WACOM(0xB2) },
2158         { USB_DEVICE_WACOM(0xB3) },
2159         { USB_DEVICE_WACOM(0xB4) },
2160         { USB_DEVICE_WACOM(0xB5) },
2161         { USB_DEVICE_WACOM(0xB7) },
2162         { USB_DEVICE_WACOM(0xB8) },
2163         { USB_DEVICE_WACOM(0xB9) },
2164         { USB_DEVICE_WACOM(0xBA) },
2165         { USB_DEVICE_WACOM(0xBB) },
2166         { USB_DEVICE_WACOM(0xBC) },
2167         { USB_DEVICE_WACOM(0x26) },
2168         { USB_DEVICE_WACOM(0x27) },
2169         { USB_DEVICE_WACOM(0x28) },
2170         { USB_DEVICE_WACOM(0x29) },
2171         { USB_DEVICE_WACOM(0x2A) },
2172         { USB_DEVICE_WACOM(0x3F) },
2173         { USB_DEVICE_WACOM(0xC5) },
2174         { USB_DEVICE_WACOM(0xC6) },
2175         { USB_DEVICE_WACOM(0xC7) },
2176         /*
2177          * DTU-2231 has two interfaces on the same configuration,
2178          * only one is used.
2179          */
2180         { USB_DEVICE_DETAILED(0xCE, USB_CLASS_HID,
2181                               USB_INTERFACE_SUBCLASS_BOOT,
2182                               USB_INTERFACE_PROTOCOL_MOUSE) },
2183         { USB_DEVICE_WACOM(0x84) },
2184         { USB_DEVICE_WACOM(0xD0) },
2185         { USB_DEVICE_WACOM(0xD1) },
2186         { USB_DEVICE_WACOM(0xD2) },
2187         { USB_DEVICE_WACOM(0xD3) },
2188         { USB_DEVICE_WACOM(0xD4) },
2189         { USB_DEVICE_WACOM(0xD5) },
2190         { USB_DEVICE_WACOM(0xD6) },
2191         { USB_DEVICE_WACOM(0xD7) },
2192         { USB_DEVICE_WACOM(0xD8) },
2193         { USB_DEVICE_WACOM(0xDA) },
2194         { USB_DEVICE_WACOM(0xDB) },
2195         { USB_DEVICE_WACOM(0xDD) },
2196         { USB_DEVICE_WACOM(0xDE) },
2197         { USB_DEVICE_WACOM(0xDF) },
2198         { USB_DEVICE_WACOM(0xF0) },
2199         { USB_DEVICE_WACOM(0xCC) },
2200         { USB_DEVICE_WACOM(0x90) },
2201         { USB_DEVICE_WACOM(0x93) },
2202         { USB_DEVICE_WACOM(0x97) },
2203         { USB_DEVICE_WACOM(0x9A) },
2204         { USB_DEVICE_WACOM(0x9F) },
2205         { USB_DEVICE_WACOM(0xE2) },
2206         { USB_DEVICE_WACOM(0xE3) },
2207         { USB_DEVICE_WACOM(0xE5) },
2208         { USB_DEVICE_WACOM(0xE6) },
2209         { USB_DEVICE_WACOM(0xEC) },
2210         { USB_DEVICE_WACOM(0xED) },
2211         { USB_DEVICE_WACOM(0xEF) },
2212         { USB_DEVICE_WACOM(0x100) },
2213         { USB_DEVICE_WACOM(0x101) },
2214         { USB_DEVICE_WACOM(0x4001) },
2215         { USB_DEVICE_WACOM(0x47) },
2216         { USB_DEVICE_WACOM(0xF4) },
2217         { USB_DEVICE_WACOM(0xF8) },
2218         { USB_DEVICE_WACOM(0xF6) },
2219         { USB_DEVICE_WACOM(0xFA) },
2220         { USB_DEVICE_LENOVO(0x6004) },
2221         { }
2222 };
2223 MODULE_DEVICE_TABLE(usb, wacom_ids);