Merge branch 'topic/lx6464es' into for-linus
[linux-2.6] / drivers / input / tablet / wacom_wac.c
1 /*
2  * drivers/input/tablet/wacom_wac.c
3  *
4  *  USB Wacom Graphire and Wacom Intuos 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 #include "wacom.h"
15 #include "wacom_wac.h"
16
17 static int wacom_penpartner_irq(struct wacom_wac *wacom, void *wcombo)
18 {
19         unsigned char *data = wacom->data;
20
21         switch (data[0]) {
22                 case 1:
23                         if (data[5] & 0x80) {
24                                 wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
25                                 wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
26                                 wacom_report_key(wcombo, wacom->tool[0], 1);
27                                 wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
28                                 wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[1]));
29                                 wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[3]));
30                                 wacom_report_abs(wcombo, ABS_PRESSURE, (signed char)data[6] + 127);
31                                 wacom_report_key(wcombo, BTN_TOUCH, ((signed char)data[6] > -127));
32                                 wacom_report_key(wcombo, BTN_STYLUS, (data[5] & 0x40));
33                         } else {
34                                 wacom_report_key(wcombo, wacom->tool[0], 0);
35                                 wacom_report_abs(wcombo, ABS_MISC, 0); /* report tool id */
36                                 wacom_report_abs(wcombo, ABS_PRESSURE, -1);
37                                 wacom_report_key(wcombo, BTN_TOUCH, 0);
38                         }
39                         break;
40                 case 2:
41                         wacom_report_key(wcombo, BTN_TOOL_PEN, 1);
42                         wacom_report_abs(wcombo, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
43                         wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[1]));
44                         wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[3]));
45                         wacom_report_abs(wcombo, ABS_PRESSURE, (signed char)data[6] + 127);
46                         wacom_report_key(wcombo, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
47                         wacom_report_key(wcombo, BTN_STYLUS, (data[5] & 0x40));
48                         break;
49                 default:
50                         printk(KERN_INFO "wacom_penpartner_irq: received unknown report #%d\n", data[0]);
51                         return 0;
52         }
53         return 1;
54 }
55
56 static int wacom_pl_irq(struct wacom_wac *wacom, void *wcombo)
57 {
58         unsigned char *data = wacom->data;
59         int prox, pressure;
60
61         if (data[0] != 2) {
62                 dbg("wacom_pl_irq: received unknown report #%d", data[0]);
63                 return 0;
64         }
65
66         prox = data[1] & 0x40;
67
68         wacom->id[0] = ERASER_DEVICE_ID;
69         if (prox) {
70
71                 pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
72                 if (wacom->features->pressure_max > 255)
73                         pressure = (pressure << 1) | ((data[4] >> 6) & 1);
74                 pressure += (wacom->features->pressure_max + 1) / 2;
75
76                 /*
77                  * if going from out of proximity into proximity select between the eraser
78                  * and the pen based on the state of the stylus2 button, choose eraser if
79                  * pressed else choose pen. if not a proximity change from out to in, send
80                  * an out of proximity for previous tool then a in for new tool.
81                  */
82                 if (!wacom->tool[0]) {
83                         /* Eraser bit set for DTF */
84                         if (data[1] & 0x10)
85                                 wacom->tool[1] = BTN_TOOL_RUBBER;
86                         else
87                                 /* Going into proximity select tool */
88                                 wacom->tool[1] = (data[4] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
89                 } else {
90                         /* was entered with stylus2 pressed */
91                         if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
92                                 /* report out proximity for previous tool */
93                                 wacom_report_key(wcombo, wacom->tool[1], 0);
94                                 wacom_input_sync(wcombo);
95                                 wacom->tool[1] = BTN_TOOL_PEN;
96                                 return 0;
97                         }
98                 }
99                 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
100                         /* Unknown tool selected default to pen tool */
101                         wacom->tool[1] = BTN_TOOL_PEN;
102                         wacom->id[0] = STYLUS_DEVICE_ID;
103                 }
104                 wacom_report_key(wcombo, wacom->tool[1], prox); /* report in proximity for tool */
105                 wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
106                 wacom_report_abs(wcombo, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
107                 wacom_report_abs(wcombo, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
108                 wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
109
110                 wacom_report_key(wcombo, BTN_TOUCH, data[4] & 0x08);
111                 wacom_report_key(wcombo, BTN_STYLUS, data[4] & 0x10);
112                 /* Only allow the stylus2 button to be reported for the pen tool. */
113                 wacom_report_key(wcombo, BTN_STYLUS2, (wacom->tool[1] == BTN_TOOL_PEN) && (data[4] & 0x20));
114         } else {
115                 /* report proximity-out of a (valid) tool */
116                 if (wacom->tool[1] != BTN_TOOL_RUBBER) {
117                         /* Unknown tool selected default to pen tool */
118                         wacom->tool[1] = BTN_TOOL_PEN;
119                 }
120                 wacom_report_key(wcombo, wacom->tool[1], prox);
121         }
122
123         wacom->tool[0] = prox; /* Save proximity state */
124         return 1;
125 }
126
127 static int wacom_ptu_irq(struct wacom_wac *wacom, void *wcombo)
128 {
129         unsigned char *data = wacom->data;
130
131         if (data[0] != 2) {
132                 printk(KERN_INFO "wacom_ptu_irq: received unknown report #%d\n", data[0]);
133                 return 0;
134         }
135
136         if (data[1] & 0x04) {
137                 wacom_report_key(wcombo, BTN_TOOL_RUBBER, data[1] & 0x20);
138                 wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x08);
139                 wacom->id[0] = ERASER_DEVICE_ID;
140         } else {
141                 wacom_report_key(wcombo, BTN_TOOL_PEN, data[1] & 0x20);
142                 wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x01);
143                 wacom->id[0] = STYLUS_DEVICE_ID;
144         }
145         wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
146         wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
147         wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
148         wacom_report_abs(wcombo, ABS_PRESSURE, wacom_le16_to_cpu(&data[6]));
149         wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
150         wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10);
151         return 1;
152 }
153
154 static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
155 {
156         unsigned char *data = wacom->data;
157         int x, y, rw;
158
159         if (data[0] != 2) {
160                 dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
161                 return 0;
162         }
163
164         if (data[1] & 0x80) {
165                 /* in prox and not a pad data */
166
167                 switch ((data[1] >> 5) & 3) {
168
169                         case 0: /* Pen */
170                                 wacom->tool[0] = BTN_TOOL_PEN;
171                                 wacom->id[0] = STYLUS_DEVICE_ID;
172                                 break;
173
174                         case 1: /* Rubber */
175                                 wacom->tool[0] = BTN_TOOL_RUBBER;
176                                 wacom->id[0] = ERASER_DEVICE_ID;
177                                 break;
178
179                         case 2: /* Mouse with wheel */
180                                 wacom_report_key(wcombo, BTN_MIDDLE, data[1] & 0x04);
181                                 if (wacom->features->type == WACOM_G4 ||
182                                                 wacom->features->type == WACOM_MO) {
183                                         rw = data[7] & 0x04 ? (data[7] & 0x03)-4 : (data[7] & 0x03);
184                                         wacom_report_rel(wcombo, REL_WHEEL, -rw);
185                                 } else
186                                         wacom_report_rel(wcombo, REL_WHEEL, -(signed char) data[6]);
187                                 /* fall through */
188
189                         case 3: /* Mouse without wheel */
190                                 wacom->tool[0] = BTN_TOOL_MOUSE;
191                                 wacom->id[0] = CURSOR_DEVICE_ID;
192                                 wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01);
193                                 wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02);
194                                 if (wacom->features->type == WACOM_G4 ||
195                                                 wacom->features->type == WACOM_MO)
196                                         wacom_report_abs(wcombo, ABS_DISTANCE, data[6] & 0x3f);
197                                 else
198                                         wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f);
199                                 break;
200                 }
201                 x = wacom_le16_to_cpu(&data[2]);
202                 y = wacom_le16_to_cpu(&data[4]);
203                 wacom_report_abs(wcombo, ABS_X, x);
204                 wacom_report_abs(wcombo, ABS_Y, y);
205                 if (wacom->tool[0] != BTN_TOOL_MOUSE) {
206                         wacom_report_abs(wcombo, ABS_PRESSURE, data[6] | ((data[7] & 0x01) << 8));
207                         wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x01);
208                         wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
209                         wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x04);
210                 }
211                 wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
212                 wacom_report_key(wcombo, wacom->tool[0], 1);
213         } else if (wacom->id[0]) {
214                 wacom_report_abs(wcombo, ABS_X, 0);
215                 wacom_report_abs(wcombo, ABS_Y, 0);
216                 if (wacom->tool[0] == BTN_TOOL_MOUSE) {
217                         wacom_report_key(wcombo, BTN_LEFT, 0);
218                         wacom_report_key(wcombo, BTN_RIGHT, 0);
219                         wacom_report_abs(wcombo, ABS_DISTANCE, 0);
220                 } else {
221                         wacom_report_abs(wcombo, ABS_PRESSURE, 0);
222                         wacom_report_key(wcombo, BTN_TOUCH, 0);
223                         wacom_report_key(wcombo, BTN_STYLUS, 0);
224                         wacom_report_key(wcombo, BTN_STYLUS2, 0);
225                 }
226                 wacom->id[0] = 0;
227                 wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */
228                 wacom_report_key(wcombo, wacom->tool[0], 0);
229         }
230
231         /* send pad data */
232         switch (wacom->features->type) {
233             case WACOM_G4:
234                 if (data[7] & 0xf8) {
235                         wacom_input_sync(wcombo); /* sync last event */
236                         wacom->id[1] = PAD_DEVICE_ID;
237                         wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
238                         wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
239                         rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
240                         wacom_report_rel(wcombo, REL_WHEEL, rw);
241                         wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
242                         wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
243                         wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
244                 } else if (wacom->id[1]) {
245                         wacom_input_sync(wcombo); /* sync last event */
246                         wacom->id[1] = 0;
247                         wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
248                         wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
249                         wacom_report_key(wcombo, BTN_TOOL_FINGER, 0);
250                         wacom_report_abs(wcombo, ABS_MISC, 0);
251                         wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
252                 }
253                 break;
254             case WACOM_MO:
255                 if ((data[7] & 0xf8) || (data[8] & 0xff)) {
256                         wacom_input_sync(wcombo); /* sync last event */
257                         wacom->id[1] = PAD_DEVICE_ID;
258                         wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
259                         wacom_report_key(wcombo, BTN_1, (data[7] & 0x20));
260                         wacom_report_key(wcombo, BTN_4, (data[7] & 0x10));
261                         wacom_report_key(wcombo, BTN_5, (data[7] & 0x40));
262                         wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f));
263                         wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
264                         wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
265                         wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
266                 } else if (wacom->id[1]) {
267                         wacom_input_sync(wcombo); /* sync last event */
268                         wacom->id[1] = 0;
269                         wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
270                         wacom_report_key(wcombo, BTN_1, (data[7] & 0x20));
271                         wacom_report_key(wcombo, BTN_4, (data[7] & 0x10));
272                         wacom_report_key(wcombo, BTN_5, (data[7] & 0x40));
273                         wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f));
274                         wacom_report_key(wcombo, BTN_TOOL_FINGER, 0);
275                         wacom_report_abs(wcombo, ABS_MISC, 0);
276                         wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
277                 }
278                 break;
279         }
280         return 1;
281 }
282
283 static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
284 {
285         unsigned char *data = wacom->data;
286         int idx;
287
288         /* tool number */
289         idx = data[1] & 0x01;
290
291         /* Enter report */
292         if ((data[1] & 0xfc) == 0xc0) {
293                 /* serial number of the tool */
294                 wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
295                         (data[4] << 20) + (data[5] << 12) +
296                         (data[6] << 4) + (data[7] >> 4);
297
298                 wacom->id[idx] = (data[2] << 4) | (data[3] >> 4);
299                 switch (wacom->id[idx]) {
300                         case 0x812: /* Inking pen */
301                         case 0x801: /* Intuos3 Inking pen */
302                         case 0x012:
303                                 wacom->tool[idx] = BTN_TOOL_PENCIL;
304                                 break;
305                         case 0x822: /* Pen */
306                         case 0x842:
307                         case 0x852:
308                         case 0x823: /* Intuos3 Grip Pen */
309                         case 0x813: /* Intuos3 Classic Pen */
310                         case 0x885: /* Intuos3 Marker Pen */
311                         case 0x022:
312                                 wacom->tool[idx] = BTN_TOOL_PEN;
313                                 break;
314                         case 0x832: /* Stroke pen */
315                         case 0x032:
316                                 wacom->tool[idx] = BTN_TOOL_BRUSH;
317                                 break;
318                         case 0x007: /* Mouse 4D and 2D */
319                         case 0x09c:
320                         case 0x094:
321                         case 0x017: /* Intuos3 2D Mouse */
322                                 wacom->tool[idx] = BTN_TOOL_MOUSE;
323                                 break;
324                         case 0x096: /* Lens cursor */
325                         case 0x097: /* Intuos3 Lens cursor */
326                                 wacom->tool[idx] = BTN_TOOL_LENS;
327                                 break;
328                         case 0x82a: /* Eraser */
329                         case 0x85a:
330                         case 0x91a:
331                         case 0xd1a:
332                         case 0x0fa:
333                         case 0x82b: /* Intuos3 Grip Pen Eraser */
334                         case 0x81b: /* Intuos3 Classic Pen Eraser */
335                         case 0x91b: /* Intuos3 Airbrush Eraser */
336                                 wacom->tool[idx] = BTN_TOOL_RUBBER;
337                                 break;
338                         case 0xd12:
339                         case 0x912:
340                         case 0x112:
341                         case 0x913: /* Intuos3 Airbrush */
342                                 wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
343                                 break;
344                         default: /* Unknown tool */
345                                 wacom->tool[idx] = BTN_TOOL_PEN;
346                 }
347                 return 1;
348         }
349
350         /* Exit report */
351         if ((data[1] & 0xfe) == 0x80) {
352                 wacom_report_abs(wcombo, ABS_X, 0);
353                 wacom_report_abs(wcombo, ABS_Y, 0);
354                 wacom_report_abs(wcombo, ABS_DISTANCE, 0);
355                 if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
356                         wacom_report_key(wcombo, BTN_LEFT, 0);
357                         wacom_report_key(wcombo, BTN_MIDDLE, 0);
358                         wacom_report_key(wcombo, BTN_RIGHT, 0);
359                         wacom_report_key(wcombo, BTN_SIDE, 0);
360                         wacom_report_key(wcombo, BTN_EXTRA, 0);
361                         wacom_report_abs(wcombo, ABS_THROTTLE, 0);
362                         wacom_report_abs(wcombo, ABS_RZ, 0);
363                 } else {
364                         wacom_report_abs(wcombo, ABS_PRESSURE, 0);
365                         wacom_report_abs(wcombo, ABS_TILT_X, 0);
366                         wacom_report_abs(wcombo, ABS_TILT_Y, 0);
367                         wacom_report_key(wcombo, BTN_STYLUS, 0);
368                         wacom_report_key(wcombo, BTN_STYLUS2, 0);
369                         wacom_report_key(wcombo, BTN_TOUCH, 0);
370                         wacom_report_abs(wcombo, ABS_WHEEL, 0);
371                 }
372                 wacom_report_key(wcombo, wacom->tool[idx], 0);
373                 wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */
374                 wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
375                 return 2;
376         }
377         return 0;
378 }
379
380 static void wacom_intuos_general(struct wacom_wac *wacom, void *wcombo)
381 {
382         unsigned char *data = wacom->data;
383         unsigned int t;
384
385         /* general pen packet */
386         if ((data[1] & 0xb8) == 0xa0) {
387                 t = (data[6] << 2) | ((data[7] >> 6) & 3);
388                 wacom_report_abs(wcombo, ABS_PRESSURE, t);
389                 wacom_report_abs(wcombo, ABS_TILT_X,
390                                 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
391                 wacom_report_abs(wcombo, ABS_TILT_Y, data[8] & 0x7f);
392                 wacom_report_key(wcombo, BTN_STYLUS, data[1] & 2);
393                 wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 4);
394                 wacom_report_key(wcombo, BTN_TOUCH, t > 10);
395         }
396
397         /* airbrush second packet */
398         if ((data[1] & 0xbc) == 0xb4) {
399                 wacom_report_abs(wcombo, ABS_WHEEL,
400                                 (data[6] << 2) | ((data[7] >> 6) & 3));
401                 wacom_report_abs(wcombo, ABS_TILT_X,
402                                 ((data[7] << 1) & 0x7e) | (data[8] >> 7));
403                 wacom_report_abs(wcombo, ABS_TILT_Y, data[8] & 0x7f);
404         }
405         return;
406 }
407
408 static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
409 {
410         unsigned char *data = wacom->data;
411         unsigned int t;
412         int idx, result;
413
414         if (data[0] != 2 && data[0] != 5 && data[0] != 6 && data[0] != 12) {
415                 dbg("wacom_intuos_irq: received unknown report #%d", data[0]);
416                 return 0;
417         }
418
419         /* tool number */
420         idx = data[1] & 0x01;
421
422         /* pad packets. Works as a second tool and is always in prox */
423         if (data[0] == 12) {
424                 /* initiate the pad as a device */
425                 if (wacom->tool[1] != BTN_TOOL_FINGER)
426                         wacom->tool[1] = BTN_TOOL_FINGER;
427
428                 wacom_report_key(wcombo, BTN_0, (data[5] & 0x01));
429                 wacom_report_key(wcombo, BTN_1, (data[5] & 0x02));
430                 wacom_report_key(wcombo, BTN_2, (data[5] & 0x04));
431                 wacom_report_key(wcombo, BTN_3, (data[5] & 0x08));
432                 wacom_report_key(wcombo, BTN_4, (data[6] & 0x01));
433                 wacom_report_key(wcombo, BTN_5, (data[6] & 0x02));
434                 wacom_report_key(wcombo, BTN_6, (data[6] & 0x04));
435                 wacom_report_key(wcombo, BTN_7, (data[6] & 0x08));
436                 wacom_report_key(wcombo, BTN_8, (data[5] & 0x10));
437                 wacom_report_key(wcombo, BTN_9, (data[6] & 0x10));
438                 wacom_report_abs(wcombo, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
439                 wacom_report_abs(wcombo, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);
440
441                 if ((data[5] & 0x1f) | (data[6] & 0x1f) | (data[1] & 0x1f) |
442                         data[2] | (data[3] & 0x1f) | data[4])
443                         wacom_report_key(wcombo, wacom->tool[1], 1);
444                 else
445                         wacom_report_key(wcombo, wacom->tool[1], 0);
446                 wacom_report_abs(wcombo, ABS_MISC, PAD_DEVICE_ID);
447                 wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xffffffff);
448                 return 1;
449         }
450
451         /* process in/out prox events */
452         result = wacom_intuos_inout(wacom, wcombo);
453         if (result)
454                 return result-1;
455
456         /* Only large I3 and I1 & I2 support Lense Cursor */
457         if ((wacom->tool[idx] == BTN_TOOL_LENS)
458                         && ((wacom->features->type == INTUOS3)
459                         || (wacom->features->type == INTUOS3S)))
460                 return 0;
461
462         /* Cintiq doesn't send data when RDY bit isn't set */
463         if ((wacom->features->type == CINTIQ) && !(data[1] & 0x40))
464                  return 0;
465
466         if (wacom->features->type >= INTUOS3S) {
467                 wacom_report_abs(wcombo, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
468                 wacom_report_abs(wcombo, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
469                 wacom_report_abs(wcombo, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
470         } else {
471                 wacom_report_abs(wcombo, ABS_X, wacom_be16_to_cpu(&data[2]));
472                 wacom_report_abs(wcombo, ABS_Y, wacom_be16_to_cpu(&data[4]));
473                 wacom_report_abs(wcombo, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
474         }
475
476         /* process general packets */
477         wacom_intuos_general(wacom, wcombo);
478
479         /* 4D mouse, 2D mouse, marker pen rotation, or Lens cursor packets */
480         if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0) {
481
482                 if (data[1] & 0x02) {
483                         /* Rotation packet */
484                         if (wacom->features->type >= INTUOS3S) {
485                                 /* I3 marker pen rotation */
486                                 t = (data[6] << 3) | ((data[7] >> 5) & 7);
487                                 t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
488                                         ((t-1) / 2 + 450)) : (450 - t / 2) ;
489                                 wacom_report_abs(wcombo, ABS_Z, t);
490                         } else {
491                                 /* 4D mouse rotation packet */
492                                 t = (data[6] << 3) | ((data[7] >> 5) & 7);
493                                 wacom_report_abs(wcombo, ABS_RZ, (data[7] & 0x20) ?
494                                         ((t - 1) / 2) : -t / 2);
495                         }
496
497                 } else if (!(data[1] & 0x10) && wacom->features->type < INTUOS3S) {
498                         /* 4D mouse packet */
499                         wacom_report_key(wcombo, BTN_LEFT,   data[8] & 0x01);
500                         wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x02);
501                         wacom_report_key(wcombo, BTN_RIGHT,  data[8] & 0x04);
502
503                         wacom_report_key(wcombo, BTN_SIDE,   data[8] & 0x20);
504                         wacom_report_key(wcombo, BTN_EXTRA,  data[8] & 0x10);
505                         t = (data[6] << 2) | ((data[7] >> 6) & 3);
506                         wacom_report_abs(wcombo, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);
507
508                 } else if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
509                         /* 2D mouse packet */
510                         wacom_report_key(wcombo, BTN_LEFT,   data[8] & 0x04);
511                         wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x08);
512                         wacom_report_key(wcombo, BTN_RIGHT,  data[8] & 0x10);
513                         wacom_report_rel(wcombo, REL_WHEEL, (data[8] & 0x01)
514                                                  - ((data[8] & 0x02) >> 1));
515
516                         /* I3 2D mouse side buttons */
517                         if (wacom->features->type >= INTUOS3S && wacom->features->type <= INTUOS3L) {
518                                 wacom_report_key(wcombo, BTN_SIDE,   data[8] & 0x40);
519                                 wacom_report_key(wcombo, BTN_EXTRA,  data[8] & 0x20);
520                         }
521
522                 } else if (wacom->features->type < INTUOS3S || wacom->features->type == INTUOS3L) {
523                         /* Lens cursor packets */
524                         wacom_report_key(wcombo, BTN_LEFT,   data[8] & 0x01);
525                         wacom_report_key(wcombo, BTN_MIDDLE, data[8] & 0x02);
526                         wacom_report_key(wcombo, BTN_RIGHT,  data[8] & 0x04);
527                         wacom_report_key(wcombo, BTN_SIDE,   data[8] & 0x10);
528                         wacom_report_key(wcombo, BTN_EXTRA,  data[8] & 0x08);
529                 }
530         }
531
532         wacom_report_abs(wcombo, ABS_MISC, wacom->id[idx]); /* report tool id */
533         wacom_report_key(wcombo, wacom->tool[idx], 1);
534         wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
535         return 1;
536 }
537
538 static int wacom_tpc_irq(struct wacom_wac *wacom, void *wcombo)
539 {
540         char *data = wacom->data;
541         int prox = 0, pressure;
542         static int stylusInProx, touchInProx = 1, touchOut;
543         struct urb *urb = ((struct wacom_combo *)wcombo)->urb;
544
545         dbg("wacom_tpc_irq: received report #%d", data[0]);
546
547         if (urb->actual_length == 5 || data[0] == 6) { /* Touch data */
548                 if (urb->actual_length == 5) {  /* with touch */
549                         prox = data[0] & 0x03;
550                 } else {  /* with capacity */
551                         prox = data[1] & 0x03;
552                 }
553
554                 if (!stylusInProx) { /* stylus not in prox */
555                         if (prox) {
556                                 if (touchInProx) {
557                                         wacom->tool[1] = BTN_TOOL_DOUBLETAP;
558                                         wacom->id[0] = TOUCH_DEVICE_ID;
559                                         if (urb->actual_length != 5) {
560                                                 wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
561                                                 wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
562                                                 wacom_report_abs(wcombo, ABS_PRESSURE, wacom_le16_to_cpu(&data[6]));
563                                                 wacom_report_key(wcombo, BTN_TOUCH, wacom_le16_to_cpu(&data[6]));
564                                         } else {
565                                                 wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[1]));
566                                                 wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[3]));
567                                                 wacom_report_key(wcombo, BTN_TOUCH, 1);
568                                         }
569                                         wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
570                                         wacom_report_key(wcombo, wacom->tool[1], prox & 0x01);
571                                         touchOut = 1;
572                                         return 1;
573                                 }
574                         } else {
575                                 wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
576                                 wacom_report_key(wcombo, wacom->tool[1], prox & 0x01);
577                                 wacom_report_key(wcombo, BTN_TOUCH, 0);
578                                 touchOut = 0;
579                                 touchInProx = 1;
580                                 return 1;
581                         }
582                 } else if (touchOut || !prox) { /* force touch out-prox */
583                         wacom_report_abs(wcombo, ABS_MISC, TOUCH_DEVICE_ID);
584                         wacom_report_key(wcombo, BTN_TOUCH, 0);
585                         touchOut = 0;
586                         touchInProx = 1;
587                         return 1;
588                 }
589         } else if (data[0] == 2) { /* Penabled */
590                 prox = data[1] & 0x20;
591
592                 touchInProx = 0;
593
594                 wacom->id[0] = ERASER_DEVICE_ID;
595
596                 /*
597                  * if going from out of proximity into proximity select between the eraser
598                  * and the pen based on the state of the stylus2 button, choose eraser if
599                  * pressed else choose pen. if not a proximity change from out to in, send
600                  * an out of proximity for previous tool then a in for new tool.
601                  */
602                 if (prox) { /* in prox */
603                         if (!wacom->tool[0]) {
604                                 /* Going into proximity select tool */
605                                 wacom->tool[1] = (data[1] & 0x08) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
606                                 if (wacom->tool[1] == BTN_TOOL_PEN)
607                                         wacom->id[0] = STYLUS_DEVICE_ID;
608                         } else if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[1] & 0x08)) {
609                                 /*
610                                  * was entered with stylus2 pressed
611                                  * report out proximity for previous tool
612                                 */
613                                 wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
614                                 wacom_report_key(wcombo, wacom->tool[1], 0);
615                                 wacom_input_sync(wcombo);
616
617                                 /* set new tool */
618                                 wacom->tool[1] = BTN_TOOL_PEN;
619                                 wacom->id[0] = STYLUS_DEVICE_ID;
620                                 return 0;
621                         }
622                         if (wacom->tool[1] != BTN_TOOL_RUBBER) {
623                                 /* Unknown tool selected default to pen tool */
624                                 wacom->tool[1] = BTN_TOOL_PEN;
625                                 wacom->id[0] = STYLUS_DEVICE_ID;
626                         }
627                         wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
628                         wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10);
629                         wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
630                         wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
631                         pressure = ((data[7] & 0x01) << 8) | data[6];
632                         if (pressure < 0)
633                                 pressure = wacom->features->pressure_max + pressure + 1;
634                         wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
635                         wacom_report_key(wcombo, BTN_TOUCH, pressure);
636                 } else {
637                         wacom_report_abs(wcombo, ABS_PRESSURE, 0);
638                         wacom_report_key(wcombo, BTN_STYLUS, 0);
639                         wacom_report_key(wcombo, BTN_STYLUS2, 0);
640                         wacom_report_key(wcombo, BTN_TOUCH, 0);
641                 }
642                 wacom_report_key(wcombo, wacom->tool[1], prox);
643                 wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
644                 stylusInProx = prox;
645                 wacom->tool[0] = prox;
646                 return 1;
647         }
648         return 0;
649 }
650
651 int wacom_wac_irq(struct wacom_wac *wacom_wac, void *wcombo)
652 {
653         switch (wacom_wac->features->type) {
654                 case PENPARTNER:
655                         return wacom_penpartner_irq(wacom_wac, wcombo);
656
657                 case PL:
658                         return wacom_pl_irq(wacom_wac, wcombo);
659
660                 case WACOM_G4:
661                 case GRAPHIRE:
662                 case WACOM_MO:
663                         return wacom_graphire_irq(wacom_wac, wcombo);
664
665                 case PTU:
666                         return wacom_ptu_irq(wacom_wac, wcombo);
667
668                 case INTUOS:
669                 case INTUOS3S:
670                 case INTUOS3:
671                 case INTUOS3L:
672                 case CINTIQ:
673                 case WACOM_BEE:
674                         return wacom_intuos_irq(wacom_wac, wcombo);
675
676                 case TABLETPC:
677                         return wacom_tpc_irq(wacom_wac, wcombo);
678
679                 default:
680                         return 0;
681         }
682         return 0;
683 }
684
685 void wacom_init_input_dev(struct input_dev *input_dev, struct wacom_wac *wacom_wac)
686 {
687         switch (wacom_wac->features->type) {
688                 case WACOM_MO:
689                         input_dev_mo(input_dev, wacom_wac);
690                 case WACOM_G4:
691                         input_dev_g4(input_dev, wacom_wac);
692                         /* fall through */
693                 case GRAPHIRE:
694                         input_dev_g(input_dev, wacom_wac);
695                         break;
696                 case WACOM_BEE:
697                         input_dev_bee(input_dev, wacom_wac);
698                 case INTUOS3:
699                 case INTUOS3L:
700                 case CINTIQ:
701                         input_dev_i3(input_dev, wacom_wac);
702                         /* fall through */
703                 case INTUOS3S:
704                         input_dev_i3s(input_dev, wacom_wac);
705                         /* fall through */
706                 case INTUOS:
707                         input_dev_i(input_dev, wacom_wac);
708                         break;
709                 case PL:
710                 case PTU:
711                 case TABLETPC:
712                         input_dev_pl(input_dev, wacom_wac);
713                         /* fall through */
714                 case PENPARTNER:
715                         input_dev_pt(input_dev, wacom_wac);
716                         break;
717         }
718         return;
719 }
720
721 static struct wacom_features wacom_features[] = {
722         { "Wacom Penpartner",    7,   5040,  3780,  255,  0, PENPARTNER },
723         { "Wacom Graphire",      8,  10206,  7422,  511, 63, GRAPHIRE },
724         { "Wacom Graphire2 4x5", 8,  10206,  7422,  511, 63, GRAPHIRE },
725         { "Wacom Graphire2 5x7", 8,  13918, 10206,  511, 63, GRAPHIRE },
726         { "Wacom Graphire3",     8,  10208,  7424,  511, 63, GRAPHIRE },
727         { "Wacom Graphire3 6x8", 8,  16704, 12064,  511, 63, GRAPHIRE },
728         { "Wacom Graphire4 4x5", 8,  10208,  7424,  511, 63, WACOM_G4 },
729         { "Wacom Graphire4 6x8", 8,  16704, 12064,  511, 63, WACOM_G4 },
730         { "Wacom BambooFun 4x5", 9,  14760,  9225,  511, 63, WACOM_MO },
731         { "Wacom BambooFun 6x8", 9,  21648, 13530,  511, 63, WACOM_MO },
732         { "Wacom Bamboo1 Medium",8,  16704, 12064,  511, 63, GRAPHIRE },
733         { "Wacom Volito",        8,   5104,  3712,  511, 63, GRAPHIRE },
734         { "Wacom PenStation2",   8,   3250,  2320,  255, 63, GRAPHIRE },
735         { "Wacom Volito2 4x5",   8,   5104,  3712,  511, 63, GRAPHIRE },
736         { "Wacom Volito2 2x3",   8,   3248,  2320,  511, 63, GRAPHIRE },
737         { "Wacom PenPartner2",   8,   3250,  2320,  511, 63, GRAPHIRE },
738         { "Wacom Bamboo",        9,  14760,  9225,  511, 63, WACOM_MO },
739         { "Wacom Bamboo1",       8,   5104,  3712,  511, 63, GRAPHIRE },
740         { "Wacom Intuos 4x5",   10,  12700, 10600, 1023, 31, INTUOS },
741         { "Wacom Intuos 6x8",   10,  20320, 16240, 1023, 31, INTUOS },
742         { "Wacom Intuos 9x12",  10,  30480, 24060, 1023, 31, INTUOS },
743         { "Wacom Intuos 12x12", 10,  30480, 31680, 1023, 31, INTUOS },
744         { "Wacom Intuos 12x18", 10,  45720, 31680, 1023, 31, INTUOS },
745         { "Wacom PL400",         8,   5408,  4056,  255,  0, PL },
746         { "Wacom PL500",         8,   6144,  4608,  255,  0, PL },
747         { "Wacom PL600",         8,   6126,  4604,  255,  0, PL },
748         { "Wacom PL600SX",       8,   6260,  5016,  255,  0, PL },
749         { "Wacom PL550",         8,   6144,  4608,  511,  0, PL },
750         { "Wacom PL800",         8,   7220,  5780,  511,  0, PL },
751         { "Wacom PL700",         8,   6758,  5406,  511,  0, PL },
752         { "Wacom PL510",         8,   6282,  4762,  511,  0, PL },
753         { "Wacom DTU710",        8,  34080, 27660,  511,  0, PL },
754         { "Wacom DTF521",        8,   6282,  4762,  511,  0, PL },
755         { "Wacom DTF720",        8,   6858,  5506,  511,  0, PL },
756         { "Wacom Cintiq Partner",8,  20480, 15360,  511,  0, PTU },
757         { "Wacom Intuos2 4x5",   10, 12700, 10600, 1023, 31, INTUOS },
758         { "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 31, INTUOS },
759         { "Wacom Intuos2 9x12",  10, 30480, 24060, 1023, 31, INTUOS },
760         { "Wacom Intuos2 12x12", 10, 30480, 31680, 1023, 31, INTUOS },
761         { "Wacom Intuos2 12x18", 10, 45720, 31680, 1023, 31, INTUOS },
762         { "Wacom Intuos3 4x5",   10, 25400, 20320, 1023, 63, INTUOS3S },
763         { "Wacom Intuos3 6x8",   10, 40640, 30480, 1023, 63, INTUOS3 },
764         { "Wacom Intuos3 9x12",  10, 60960, 45720, 1023, 63, INTUOS3 },
765         { "Wacom Intuos3 12x12", 10, 60960, 60960, 1023, 63, INTUOS3L },
766         { "Wacom Intuos3 12x19", 10, 97536, 60960, 1023, 63, INTUOS3L },
767         { "Wacom Intuos3 6x11",  10, 54204, 31750, 1023, 63, INTUOS3 },
768         { "Wacom Intuos3 4x6",   10, 31496, 19685, 1023, 63, INTUOS3S },
769         { "Wacom Cintiq 21UX",   10, 87200, 65600, 1023, 63, CINTIQ },
770         { "Wacom Cintiq 20WSX",  10, 86680, 54180, 1023, 63, WACOM_BEE },
771         { "Wacom Cintiq 12WX",   10, 53020, 33440, 1023, 63, WACOM_BEE },
772         { "Wacom DTU1931",        8, 37832, 30305,  511,  0, PL },
773         { "Wacom ISDv4 90",       8, 26202, 16325,  255,  0, TABLETPC },
774         { "Wacom ISDv4 93",       8, 26202, 16325,  255,  0, TABLETPC },
775         { "Wacom ISDv4 9A",       8, 26202, 16325,  255,  0, TABLETPC },
776         { "Wacom Intuos2 6x8",   10, 20320, 16240, 1023, 31, INTUOS },
777         { }
778 };
779
780 static struct usb_device_id wacom_ids[] = {
781         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x00) },
782         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x10) },
783         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x11) },
784         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x12) },
785         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x13) },
786         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x14) },
787         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x15) },
788         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x16) },
789         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x17) },
790         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x18) },
791         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x19) },
792         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x60) },
793         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x61) },
794         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x62) },
795         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x63) },
796         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x64) },
797         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x65) },
798         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x69) },
799         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x20) },
800         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x21) },
801         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x22) },
802         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x23) },
803         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x24) },
804         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x30) },
805         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x31) },
806         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x32) },
807         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x33) },
808         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x34) },
809         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x35) },
810         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x37) },
811         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x38) },
812         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x39) },
813         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC0) },
814         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC4) },
815         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x03) },
816         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x41) },
817         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x42) },
818         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x43) },
819         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x44) },
820         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x45) },
821         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB0) },
822         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB1) },
823         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB2) },
824         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB3) },
825         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB4) },
826         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB5) },
827         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xB7) },
828         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x3F) },
829         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC5) },
830         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC6) },
831         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0xC7) },
832         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x90) },
833         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x93) },
834         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x9A) },
835         { USB_DEVICE(USB_VENDOR_ID_WACOM, 0x47) },
836         { }
837 };
838
839 const struct usb_device_id *get_device_table(void)
840 {
841         const struct usb_device_id *id_table = wacom_ids;
842
843         return id_table;
844 }
845
846 struct wacom_features * get_wacom_feature(const struct usb_device_id *id)
847 {
848         int index = id - wacom_ids;
849         struct wacom_features *wf = &wacom_features[index];
850
851         return wf;
852 }
853
854 MODULE_DEVICE_TABLE(usb, wacom_ids);