aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/input/tablet/wacom_wac.c
blob: 87427d02e7616161b1c5f5b5b7790ecf1967b0f4 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
/*
 * drivers/input/tablet/wacom_wac.c
 *
 *  USB Wacom tablet support - Wacom specific code
 *
 */

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#include "wacom_wac.h"
#include "wacom.h"

static int wacom_penpartner_irq(struct wacom_wac *wacom)
{
	unsigned char *data = wacom->data;
	struct input_dev *input = wacom->input;

	switch (data[0]) {
	case 1:
		if (data[5] & 0x80) {
			wacom->tool[0] = (data[5] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
			wacom->id[0] = (data[5] & 0x20) ? ERASER_DEVICE_ID : STYLUS_DEVICE_ID;
			input_report_key(input, wacom->tool[0], 1);
			input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
			input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
			input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
			input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
			input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -127));
			input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
		} else {
			input_report_key(input, wacom->tool[0], 0);
			input_report_abs(input, ABS_MISC, 0); /* report tool id */
			input_report_abs(input, ABS_PRESSURE, -1);
			input_report_key(input, BTN_TOUCH, 0);
		}
		break;

	case 2:
		input_report_key(input, BTN_TOOL_PEN, 1);
		input_report_abs(input, ABS_MISC, STYLUS_DEVICE_ID); /* report tool id */
		input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
		input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
		input_report_abs(input, ABS_PRESSURE, (signed char)data[6] + 127);
		input_report_key(input, BTN_TOUCH, ((signed char)data[6] > -80) && !(data[5] & 0x20));
		input_report_key(input, BTN_STYLUS, (data[5] & 0x40));
		break;

	default:
		printk(KERN_INFO "wacom_penpartner_irq: received unknown report #%d\n", data[0]);
		return 0;
        }

	return 1;
}

static int wacom_pl_irq(struct wacom_wac *wacom)
{
	struct wacom_features *features = &wacom->features;
	unsigned char *data = wacom->data;
	struct input_dev *input = wacom->input;
	int prox, pressure;

	if (data[0] != WACOM_REPORT_PENABLED) {
		dbg("wacom_pl_irq: received unknown report #%d", data[0]);
		return 0;
	}

	prox = data[1] & 0x40;

	if (prox) {
		wacom->id[0] = ERASER_DEVICE_ID;
		pressure = (signed char)((data[7] << 1) | ((data[4] >> 2) & 1));
		if (features->pressure_max > 255)
			pressure = (pressure << 1) | ((data[4] >> 6) & 1);
		pressure += (features->pressure_max + 1) / 2;

		/*
		 * if going from out of proximity into proximity select between the eraser
		 * and the pen based on the state of the stylus2 button, choose eraser if
		 * pressed else choose pen. if not a proximity change from out to in, send
		 * an out of proximity for previous tool then a in for new tool.
		 */
		if (!wacom->tool[0]) {
			/* Eraser bit set for DTF */
			if (data[1] & 0x10)
				wacom->tool[1] = BTN_TOOL_RUBBER;
			else
				/* Going into proximity select tool */
				wacom->tool[1] = (data[4] & 0x20) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
		} else {
			/* was entered with stylus2 pressed */
			if (wacom->tool[1] == BTN_TOOL_RUBBER && !(data[4] & 0x20)) {
				/* report out proximity for previous tool */
				input_report_key(input, wacom->tool[1], 0);
				input_sync(input);
				wacom->tool[1] = BTN_TOOL_PEN;
				return 0;
			}
		}
		if (wacom->tool[1] != BTN_TOOL_RUBBER) {
			/* Unknown tool selected default to pen tool */
			wacom->tool[1] = BTN_TOOL_PEN;
			wacom->id[0] = STYLUS_DEVICE_ID;
		}
		input_report_key(input, wacom->tool[1], prox); /* report in proximity for tool */
		input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
		input_report_abs(input, ABS_X, data[3] | (data[2] << 7) | ((data[1] & 0x03) << 14));
		input_report_abs(input, ABS_Y, data[6] | (data[5] << 7) | ((data[4] & 0x03) << 14));
		input_report_abs(input, ABS_PRESSURE, pressure);

		input_report_key(input, BTN_TOUCH, data[4] & 0x08);
		input_report_key(input, BTN_STYLUS, data[4] & 0x10);
		/* Only allow the stylus2 button to be reported for the pen tool. */
		input_report_key(input, BTN_STYLUS2, (wacom->tool[1] == BTN_TOOL_PEN) && (data[4] & 0x20));
	} else {
		/* report proximity-out of a (valid) tool */
		if (wacom->tool[1] != BTN_TOOL_RUBBER) {
			/* Unknown tool selected default to pen tool */
			wacom->tool[1] = BTN_TOOL_PEN;
		}
		input_report_key(input, wacom->tool[1], prox);
	}

	wacom->tool[0] = prox; /* Save proximity state */
	return 1;
}

static int wacom_ptu_irq(struct wacom_wac *wacom)
{
	unsigned char *data = wacom->data;
	struct input_dev *input = wacom->input;

	if (data[0] != WACOM_REPORT_PENABLED) {
		printk(KERN_INFO "wacom_ptu_irq: received unknown report #%d\n", data[0]);
		return 0;
	}

	if (data[1] & 0x04) {
		input_report_key(input, BTN_TOOL_RUBBER, data[1] & 0x20);
		input_report_key(input, BTN_TOUCH, data[1] & 0x08);
		wacom->id[0] = ERASER_DEVICE_ID;
	} else {
		input_report_key(input, BTN_TOOL_PEN, data[1] & 0x20);
		input_report_key(input, BTN_TOUCH, data[1] & 0x01);
		wacom->id[0] = STYLUS_DEVICE_ID;
	}
	input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
	input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
	input_report_key(input, BTN_STYLUS, data[1] & 0x02);
	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
	return 1;
}

static int wacom_dtu_irq(struct wacom_wac *wacom)
{
	struct wacom_features *features = &wacom->features;
	char *data = wacom->data;
	struct input_dev *input = wacom->input;
	int prox = data[1] & 0x20, pressure;

	dbg("wacom_dtu_irq: received report #%d", data[0]);

	if (prox) {
		/* Going into proximity select tool */
		wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
		if (wacom->tool[0] == BTN_TOOL_PEN)
			wacom->id[0] = STYLUS_DEVICE_ID;
		else
			wacom->id[0] = ERASER_DEVICE_ID;
	}
	input_report_key(input, BTN_STYLUS, data[1] & 0x02);
	input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
	input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
	input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
	pressure = ((data[7] & 0x01) << 8) | data[6];
	if (pressure < 0)
		pressure = features->pressure_max + pressure + 1;
	input_report_abs(input, ABS_PRESSURE, pressure);
	input_report_key(input, BTN_TOUCH, data[1] & 0x05);
	if (!prox) /* out-prox */
		wacom->id[0] = 0;
	input_report_key(input, wacom->tool[0], prox);
	input_report_abs(input, ABS_MISC, wacom->id[0]);
	return 1;
}

static int wacom_graphire_irq(struct wacom_wac *wacom)
{
	struct wacom_features *features = &wacom->features;
	unsigned char *data = wacom->data;
	struct input_dev *input = wacom->input;
	int prox;
	int rw = 0;
	int retval = 0;

	if (data[0] != WACOM_REPORT_PENABLED) {
		dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
		goto exit;
	}

	prox = data[1] & 0x80;
	if (prox || wacom->id[0]) {
		if (prox) {
			switch ((data[1] >> 5) & 3) {

			case 0:	/* Pen */
				wacom->tool[0] = BTN_TOOL_PEN;
				wacom->id[0] = STYLUS_DEVICE_ID;
				break;

			case 1: /* Rubber */
				wacom->tool[0] = BTN_TOOL_RUBBER;
				wacom->id[0] = ERASER_DEVICE_ID;
				break;

			case 2: /* Mouse with wheel */
				input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
				/* fall through */

			case 3: /* Mouse without wheel */
				wacom->tool[0] = BTN_TOOL_MOUSE;
				wacom->id[0] = CURSOR_DEVICE_ID;
				break;
			}
		}
		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
		if (wacom->tool[0] != BTN_TOOL_MOUSE) {
			input_report_abs(input, ABS_PRESSURE, data[6] | ((data[7] & 0x01) << 8));
			input_report_key(input, BTN_TOUCH, data[1] & 0x01);
			input_report_key(input, BTN_STYLUS, data[1] & 0x02);
			input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
		} else {
			input_report_key(input, BTN_LEFT, data[1] & 0x01);
			input_report_key(input, BTN_RIGHT, data[1] & 0x02);
			if (features->type == WACOM_G4 ||
					features->type == WACOM_MO) {
				input_report_abs(input, ABS_DISTANCE, data[6] & 0x3f);
				rw = (signed)(data[7] & 0x04) - (data[7] & 0x03);
			} else {
				input_report_abs(input, ABS_DISTANCE, data[7] & 0x3f);
				rw = -(signed)data[6];
			}
			input_report_rel(input, REL_WHEEL, rw);
		}

		if (!prox)
			wacom->id[0] = 0;
		input_report_abs(input, ABS_MISC, wacom->id[0]); /* report tool id */
		input_report_key(input, wacom->tool[0], prox);
		input_sync(input); /* sync last event */
	}

	/* send pad data */
	switch (features->type) {
	case WACOM_G4:
		prox = data[7] & 0xf8;
		if (prox || wacom->id[1]) {
			wacom->id[1] = PAD_DEVICE_ID;
			input_report_key(input, BTN_0, (data[7] & 0x40));
			input_report_key(input, BTN_4, (data[7] & 0x80));
			rw = ((data[7] & 0x18) >> 3) - ((data[7] & 0x20) >> 3);
			input_report_rel(input, REL_WHEEL, rw);
			input_report_key(input, BTN_TOOL_FINGER, 0xf0);
			if (!prox)
				wacom->id[1] = 0;
			input_report_abs(input, ABS_MISC, wacom->id[1]);
			input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
			retval = 1;
		}
		break;

	case WACOM_MO:
		prox = (data[7] & 0xf8) || data[8];
		if (prox || wacom->id[1]) {
			wacom->id[1] = PAD_DEVICE_ID;
			input_report_key(input, BTN_0, (data[7] & 0x08));
			input_report_key(input, BTN_1, (data[7] & 0x20));
			input_report_key(input, BTN_4, (data[7] & 0x10));
			input_report_key(input, BTN_5, (data[7] & 0x40));
			input_report_abs(input, ABS_WHEEL, (data[8] & 0x7f));
			input_report_key(input, BTN_TOOL_FINGER, 0xf0);
			if (!prox)
				wacom->id[1] = 0;
			input_report_abs(input, ABS_MISC, wacom->id[1]);
			input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
		}
		retval = 1;
		break;
	}
exit:
	return retval;
}

static int wacom_intuos_inout(struct wacom_wac *wacom)
{
	struct wacom_features *features = &wacom->features;
	unsigned char *data = wacom->data;
	struct input_dev *input = wacom->input;
	int idx = 0;

	/* tool number */
	if (features->type == INTUOS)
		idx = data[1] & 0x01;

	/* Enter report */
	if ((data[1] & 0xfc) == 0xc0) {
		/* serial number of the tool */
		wacom->serial[idx] = ((data[3] & 0x0f) << 28) +
			(data[4] << 20) + (data[5] << 12) +
			(data[6] << 4) + (data[7] >> 4);

		wacom->id[idx] = (data[2] << 4) | (data[3] >> 4);

		switch (wacom->id[idx]) {
		case 0x812: /* Inking pen */
		case 0x801: /* Intuos3 Inking pen */
		case 0x20802: /* Intuos4 Classic Pen */
		case 0x012:
			wacom->tool[idx] = BTN_TOOL_PENCIL;
			break;

		case 0x822: /* Pen */
		case 0x842:
		case 0x852:
		case 0x823: /* Intuos3 Grip Pen */
		case 0x813: /* Intuos3 Classic Pen */
		case 0x885: /* Intuos3 Marker Pen */
		case 0x802: /* Intuos4 General Pen */
		case 0x804: /* Intuos4 Marker Pen */
		case 0x40802: /* Intuos4 Classic Pen */
		case 0x022:
			wacom->tool[idx] = BTN_TOOL_PEN;
			break;

		case 0x832: /* Stroke pen */
		case 0x032:
			wacom->tool[idx] = BTN_TOOL_BRUSH;
			break;

		case 0x007: /* Mouse 4D and 2D */
		case 0x09c:
		case 0x094:
		case 0x017: /* Intuos3 2D Mouse */
		case 0x806: /* Intuos4 Mouse */
			wacom->tool[idx] = BTN_TOOL_MOUSE;
			break;

		case 0x096: /* Lens cursor */
		case 0x097: /* Intuos3 Lens cursor */
		case 0x006: /* Intuos4 Lens cursor */
			wacom->tool[idx] = BTN_TOOL_LENS;
			break;

		case 0x82a: /* Eraser */
		case 0x85a:
		case 0x91a:
		case 0xd1a:
		case 0x0fa:
		case 0x82b: /* Intuos3 Grip Pen Eraser */
		case 0x81b: /* Intuos3 Classic Pen Eraser */
		case 0x91b: /* Intuos3 Airbrush Eraser */
		case 0x80c: /* Intuos4 Marker Pen Eraser */
		case 0x80a: /* Intuos4 General Pen Eraser */
		case 0x4080a: /* Intuos4 Classic Pen Eraser */
		case 0x90a: /* Intuos4 Airbrush Eraser */
			wacom->tool[idx] = BTN_TOOL_RUBBER;
			break;

		case 0xd12:
		case 0x912:
		case 0x112:
		case 0x913: /* Intuos3 Airbrush */
		case 0x902: /* Intuos4 Airbrush */
			wacom->tool[idx] = BTN_TOOL_AIRBRUSH;
			break;

		default: /* Unknown tool */
			wacom->tool[idx] = BTN_TOOL_PEN;
			break;
		}
		return 1;
	}

	/* older I4 styli don't work with new Cintiqs */
	if (!((wacom->id[idx] >> 20) & 0x01) &&
			(features->type == WACOM_21UX2))
		return 1;

	/* Exit report */
	if ((data[1] & 0xfe) == 0x80) {
		/*
		 * Reset all states otherwise we lose the initial states
		 * when in-prox next time
		 */
		input_report_abs(input, ABS_X, 0);
		input_report_abs(input, ABS_Y, 0);
		input_report_abs(input, ABS_DISTANCE, 0);
		input_report_abs(input, ABS_TILT_X, 0);
		input_report_abs(input, ABS_TILT_Y, 0);
		if (wacom->tool[idx] >= BTN_TOOL_MOUSE) {
			input_report_key(input, BTN_LEFT, 0);
			input_report_key(input, BTN_MIDDLE, 0);
			input_report_key(input, BTN_RIGHT, 0);
			input_report_key(input, BTN_SIDE, 0);
			input_report_key(input, BTN_EXTRA, 0);
			input_report_abs(input, ABS_THROTTLE, 0);
			input_report_abs(input, ABS_RZ, 0);
		} else {
			input_report_abs(input, ABS_PRESSURE, 0);
			input_report_key(input, BTN_STYLUS, 0);
			input_report_key(input, BTN_STYLUS2, 0);
			input_report_key(input, BTN_TOUCH, 0);
			input_report_abs(input, ABS_WHEEL, 0);
			if (features->type >= INTUOS3S)
				input_report_abs(input, ABS_Z, 0);
		}
		input_report_key(input, wacom->tool[idx], 0);
		input_report_abs(input, ABS_MISC, 0); /* reset tool id */
		input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
		wacom->id[idx] = 0;
		return 2;
	}
	return 0;
}

static void wacom_intuos_general(struct wacom_wac *wacom)
{
	struct wacom_features *features = &wacom->features;
	unsigned char *data = wacom->data;
	struct input_dev *input = wacom->input;
	unsigned int t;

	/* general pen packet */
	if ((data[1] & 0xb8) == 0xa0) {
		t = (data[6] << 2) | ((data[7] >> 6) & 3);
		if (features->type >= INTUOS4S && features->type <= INTUOS4L)
			t = (t << 1) | (data[1] & 1);
		input_report_abs(input, ABS_PRESSURE, t);
		input_report_abs(input, ABS_TILT_X,
				((data[7] << 1) & 0x7e) | (data[8] >> 7));
		input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
		input_report_key(input, BTN_STYLUS, data[1] & 2);
		input_report_key(input, BTN_STYLUS2, data[1] & 4);
		input_report_key(input, BTN_TOUCH, t > 10);
	}

	/* airbrush second packet */
	if ((data[1] & 0xbc) == 0xb4) {
		input_report_abs(input, ABS_WHEEL,
				(data[6] << 2) | ((data[7] >> 6) & 3));
		input_report_abs(input, ABS_TILT_X,
				((data[7] << 1) & 0x7e) | (data[8] >> 7));
		input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
	}
}

static int wacom_intuos_irq(struct wacom_wac *wacom)
{
	struct wacom_features *features = &wacom->features;
	unsigned char *data = wacom->data;
	struct input_dev *input = wacom->input;
	unsigned int t;
	int idx = 0, result;

	if (data[0] != WACOM_REPORT_PENABLED && data[0] != WACOM_REPORT_INTUOSREAD
		&& data[0] != WACOM_REPORT_INTUOSWRITE && data[0] != WACOM_REPORT_INTUOSPAD) {
		dbg("wacom_intuos_irq: received unknown report #%d", data[0]);
                return 0;
	}

	/* tool number */
	if (features->type == INTUOS)
		idx = data[1] & 0x01;

	/* pad packets. Works as a second tool and is always in prox */
	if (data[0] == WACOM_REPORT_INTUOSPAD) {
		/* initiate the pad as a device */
		if (wacom->tool[1] != BTN_TOOL_FINGER)
			wacom->tool[1] = BTN_TOOL_FINGER;

		if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
			input_report_key(input, BTN_0, (data[2] & 0x01));
			input_report_key(input, BTN_1, (data[3] & 0x01));
			input_report_key(input, BTN_2, (data[3] & 0x02));
			input_report_key(input, BTN_3, (data[3] & 0x04));
			input_report_key(input, BTN_4, (data[3] & 0x08));
			input_report_key(input, BTN_5, (data[3] & 0x10));
			input_report_key(input, BTN_6, (data[3] & 0x20));
			if (data[1] & 0x80) {
				input_report_abs(input, ABS_WHEEL, (data[1] & 0x7f));
			} else {
				/* Out of proximity, clear wheel value. */
				input_report_abs(input, ABS_WHEEL, 0);
			}
			if (features->type != INTUOS4S) {
				input_report_key(input, BTN_7, (data[3] & 0x40));
				input_report_key(input, BTN_8, (data[3] & 0x80));
			}
			if (data[1] | (data[2] & 0x01) | data[3]) {
				input_report_key(input, wacom->tool[1], 1);
				input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
			} else {
				input_report_key(input, wacom->tool[1], 0);
				input_report_abs(input, ABS_MISC, 0);
			}
		} else {
			if (features->type == WACOM_21UX2) {
				input_report_key(input, BTN_0, (data[5] & 0x01));
				input_report_key(input, BTN_1, (data[6] & 0x01));
				input_report_key(input, BTN_2, (data[6] & 0x02));
				input_report_key(input, BTN_3, (data[6] & 0x04));
				input_report_key(input, BTN_4, (data[6] & 0x08));
				input_report_key(input, BTN_5, (data[6] & 0x10));
				input_report_key(input, BTN_6, (data[6] & 0x20));
				input_report_key(input, BTN_7, (data[6] & 0x40));
				input_report_key(input, BTN_8, (data[6] & 0x80));
				input_report_key(input, BTN_9, (data[7] & 0x01));
				input_report_key(input, BTN_A, (data[8] & 0x01));
				input_report_key(input, BTN_B, (data[8] & 0x02));
				input_report_key(input, BTN_C, (data[8] & 0x04));
				input_report_key(input, BTN_X, (data[8] & 0x08));
				input_report_key(input, BTN_Y, (data[8] & 0x10));
				input_report_key(input, BTN_Z, (data[8] & 0x20));
				input_report_key(input, BTN_BASE, (data[8] & 0x40));
				input_report_key(input, BTN_BASE2, (data[8] & 0x80));
			} else {
				input_report_key(input, BTN_0, (data[5] & 0x01));
				input_report_key(input, BTN_1, (data[5] & 0x02));
				input_report_key(input, BTN_2, (data[5] & 0x04));
				input_report_key(input, BTN_3, (data[5] & 0x08));
				input_report_key(input, BTN_4, (data[6] & 0x01));
				input_report_key(input, BTN_5, (data[6] & 0x02));
				input_report_key(input, BTN_6, (data[6] & 0x04));
				input_report_key(input, BTN_7, (data[6] & 0x08));
				input_report_key(input, BTN_8, (data[5] & 0x10));
				input_report_key(input, BTN_9, (data[6] & 0x10));
			}
			input_report_abs(input, ABS_RX, ((data[1] & 0x1f) << 8) | data[2]);
			input_report_abs(input, ABS_RY, ((data[3] & 0x1f) << 8) | data[4]);

			if ((data[5] & 0x1f) | (data[6] & 0x1f) | (data[1] & 0x1f) |
				data[2] | (data[3] & 0x1f) | data[4] | data[8] |
				(data[7] & 0x01)) {
				input_report_key(input, wacom->tool[1], 1);
				input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
			} else {
				input_report_key(input, wacom->tool[1], 0);
				input_report_abs(input, ABS_MISC, 0);
			}
		}
		input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
                return 1;
	}

	/* process in/out prox events */
	result = wacom_intuos_inout(wacom);
	if (result)
                return result - 1;

	/* don't proceed if we don't know the ID */
	if (!wacom->id[idx])
		return 0;

	/* Only large Intuos support Lense Cursor */
	if (wacom->tool[idx] == BTN_TOOL_LENS &&
	    (features->type == INTUOS3 ||
	     features->type == INTUOS3S ||
	     features->type == INTUOS4 ||
	     features->type == INTUOS4S)) {

		return 0;
	}

	/* Cintiq doesn't send data when RDY bit isn't set */
	if (features->type == CINTIQ && !(data[1] & 0x40))
                 return 0;

	if (features->type >= INTUOS3S) {
		input_report_abs(input, ABS_X, (data[2] << 9) | (data[3] << 1) | ((data[9] >> 1) & 1));
		input_report_abs(input, ABS_Y, (data[4] << 9) | (data[5] << 1) | (data[9] & 1));
		input_report_abs(input, ABS_DISTANCE, ((data[9] >> 2) & 0x3f));
	} else {
		input_report_abs(input, ABS_X, be16_to_cpup((__be16 *)&data[2]));
		input_report_abs(input, ABS_Y, be16_to_cpup((__be16 *)&data[4]));
		input_report_abs(input, ABS_DISTANCE, ((data[9] >> 3) & 0x1f));
	}

	/* process general packets */
	wacom_intuos_general(wacom);

	/* 4D mouse, 2D mouse, marker pen rotation, tilt mouse, or Lens cursor packets */
	if ((data[1] & 0xbc) == 0xa8 || (data[1] & 0xbe) == 0xb0 || (data[1] & 0xbc) == 0xac) {

		if (data[1] & 0x02) {
			/* Rotation packet */
			if (features->type >= INTUOS3S) {
				/* I3 marker pen rotation */
				t = (data[6] << 3) | ((data[7] >> 5) & 7);
				t = (data[7] & 0x20) ? ((t > 900) ? ((t-1) / 2 - 1350) :
					((t-1) / 2 + 450)) : (450 - t / 2) ;
				input_report_abs(input, ABS_Z, t);
			} else {
				/* 4D mouse rotation packet */
				t = (data[6] << 3) | ((data[7] >> 5) & 7);
				input_report_abs(input, ABS_RZ, (data[7] & 0x20) ?
					((t - 1) / 2) : -t / 2);
			}

		} else if (!(data[1] & 0x10) && features->type < INTUOS3S) {
			/* 4D mouse packet */
			input_report_key(input, BTN_LEFT,   data[8] & 0x01);
			input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
			input_report_key(input, BTN_RIGHT,  data[8] & 0x04);

			input_report_key(input, BTN_SIDE,   data[8] & 0x20);
			input_report_key(input, BTN_EXTRA,  data[8] & 0x10);
			t = (data[6] << 2) | ((data[7] >> 6) & 3);
			input_report_abs(input, ABS_THROTTLE, (data[8] & 0x08) ? -t : t);

		} else if (wacom->tool[idx] == BTN_TOOL_MOUSE) {
			/* I4 mouse */
			if (features->type >= INTUOS4S && features->type <= INTUOS4L) {
				input_report_key(input, BTN_LEFT,   data[6] & 0x01);
				input_report_key(input, BTN_MIDDLE, data[6] & 0x02);
				input_report_key(input, BTN_RIGHT,  data[6] & 0x04);
				input_report_rel(input, REL_WHEEL, ((data[7] & 0x80) >> 7)
						 - ((data[7] & 0x40) >> 6));
				input_report_key(input, BTN_SIDE,   data[6] & 0x08);
				input_report_key(input, BTN_EXTRA,  data[6] & 0x10);

				input_report_abs(input, ABS_TILT_X,
					((data[7] << 1) & 0x7e) | (data[8] >> 7));
				input_report_abs(input, ABS_TILT_Y, data[8] & 0x7f);
			} else {
				/* 2D mouse packet */
				input_report_key(input, BTN_LEFT,   data[8] & 0x04);
				input_report_key(input, BTN_MIDDLE, data[8] & 0x08);
				input_report_key(input, BTN_RIGHT,  data[8] & 0x10);
				input_report_rel(input, REL_WHEEL, (data[8] & 0x01)
						 - ((data[8] & 0x02) >> 1));

				/* I3 2D mouse side buttons */
				if (features->type >= INTUOS3S && features->type <= INTUOS3L) {
					input_report_key(input, BTN_SIDE,   data[8] & 0x40);
					input_report_key(input, BTN_EXTRA,  data[8] & 0x20);
				}
			}
		} else if ((features->type < INTUOS3S || features->type == INTUOS3L ||
				features->type == INTUOS4L) &&
			   wacom->tool[idx] == BTN_TOOL_LENS) {
			/* Lens cursor packets */
			input_report_key(input, BTN_LEFT,   data[8] & 0x01);
			input_report_key(input, BTN_MIDDLE, data[8] & 0x02);
			input_report_key(input, BTN_RIGHT,  data[8] & 0x04);
			input_report_key(input, BTN_SIDE,   data[8] & 0x10);
			input_report_key(input, BTN_EXTRA,  data[8] & 0x08);
		}
	}

	input_report_abs(input, ABS_MISC, wacom->id[idx]); /* report tool id */
	input_report_key(input, wacom->tool[idx], 1);
	input_event(input, EV_MSC, MSC_SERIAL, wacom->serial[idx]);
	return 1;
}


static void wacom_tpc_finger_in(struct wacom_wac *wacom, char *data, int idx)
{
	struct input_dev *input = wacom->input;
	int finger = idx + 1;
	int x = le16_to_cpup((__le16 *)&data[finger * 2]) & 0x7fff;
	int y = le16_to_cpup((__le16 *)&data[4 + finger * 2]) & 0x7fff;

	/*
	 * Work around input core suppressing "duplicate" events since
	 * we are abusing ABS_X/ABS_Y to transmit multi-finger data.
	 * This should go away once we switch to true multitouch
	 * protocol.
	 */
	if (wacom->last_finger != finger) {
		if (x == input_abs_get_val(input, ABS_X))
			x++;

		if (y == input_abs_get_val(input, ABS_Y))
			y++;
	}

	input_report_abs(input, ABS_X, x);
	input_report_abs(input, ABS_Y, y);
	input_report_abs(input, ABS_MISC, wacom->id[0]);
	input_report_key(input, wacom->tool[finger], 1);
	if (!idx)
		input_report_key(input, BTN_TOUCH, 1);
	input_event(input, EV_MSC, MSC_SERIAL, finger);
	input_sync(input);

	wacom->last_finger = finger;
}

static void wacom_tpc_touch_out(struct wacom_wac *wacom, int idx)
{
	struct input_dev *input = wacom->input;
	int finger = idx + 1;

	input_report_abs(input, ABS_X, 0);
	input_report_abs(input, ABS_Y, 0);
	input_report_abs(input, ABS_MISC, 0);
	input_report_key(input, wacom->tool[finger], 0);
	if (!idx)
		input_report_key(input, BTN_TOUCH, 0);
	input_event(input, EV_MSC, MSC_SERIAL, finger);
	input_sync(input);
}

static void wacom_tpc_touch_in(struct wacom_wac *wacom, size_t len)
{
	char *data = wacom->data;
	struct input_dev *input = wacom->input;

	wacom->tool[1] = BTN_TOOL_DOUBLETAP;
	wacom->id[0] = TOUCH_DEVICE_ID;
	wacom->tool[2] = BTN_TOOL_TRIPLETAP;

	if (len != WACOM_PKGLEN_TPC1FG) {

		switch (data[0]) {

		case WACOM_REPORT_TPC1FG:
			input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
			input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
			input_report_abs(input, ABS_PRESSURE, le16_to_cpup((__le16 *)&data[6]));
			input_report_key(input, BTN_TOUCH, le16_to_cpup((__le16 *)&data[6]));
			input_report_abs(input, ABS_MISC, wacom->id[0]);
			input_report_key(input, wacom->tool[1], 1);
			input_sync(input);
			break;

		case WACOM_REPORT_TPC2FG:
			if (data[1] & 0x01)
				wacom_tpc_finger_in(wacom, data, 0);
			else if (wacom->id[1] & 0x01)
				wacom_tpc_touch_out(wacom, 0);

			if (data[1] & 0x02)
				wacom_tpc_finger_in(wacom, data, 1);
			else if (wacom->id[1] & 0x02)
				wacom_tpc_touch_out(wacom, 1);
			break;
		}
	} else {
		input_report_abs(input, ABS_X, get_unaligned_le16(&data[1]));
		input_report_abs(input, ABS_Y, get_unaligned_le16(&data[3]));
		input_report_key(input, BTN_TOUCH, 1);
		input_report_abs(input, ABS_MISC, wacom->id[1]);
		input_report_key(input, wacom->tool[1], 1);
		input_sync(input);
	}
}

static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len)
{
	struct wacom_features *features = &wacom->features;
	char *data = wacom->data;
	struct input_dev *input = wacom->input;
	int prox = 0, pressure;
	int retval = 0;

	dbg("wacom_tpc_irq: received report #%d", data[0]);

	if (len == WACOM_PKGLEN_TPC1FG ||		 /* single touch */
	    data[0] == WACOM_REPORT_TPC1FG ||		 /* single touch */
	    data[0] == WACOM_REPORT_TPC2FG) {		 /* 2FG touch */

		if (wacom->shared->stylus_in_proximity) {
			if (wacom->id[1] & 0x01)
				wacom_tpc_touch_out(wacom, 0);

			if (wacom->id[1] & 0x02)
				wacom_tpc_touch_out(wacom, 1);

			wacom->id[1] = 0;
			return 0;
		}

		if (len == WACOM_PKGLEN_TPC1FG) {	/* with touch */
			prox = data[0] & 0x01;
		} else {  /* with capacity */
			if (data[0] == WACOM_REPORT_TPC1FG)
				/* single touch */
				prox = data[1] & 0x01;
			else
				/* 2FG touch data */
				prox = data[1] & 0x03;
		}

		if (prox) {
			if (!wacom->id[1])
				wacom->last_finger = 1;
			wacom_tpc_touch_in(wacom, len);
		} else {
			if (data[0] == WACOM_REPORT_TPC2FG) {
				/* 2FGT out-prox */
				if (wacom->id[1] & 0x01)
					wacom_tpc_touch_out(wacom, 0);

				if (wacom->id[1] & 0x02)
					wacom_tpc_touch_out(wacom, 1);
			} else
				/* one finger touch */
				wacom_tpc_touch_out(wacom, 0);

			wacom->id[0] = 0;
		}
		/* keep prox bit to send proper out-prox event */
		wacom->id[1] = prox;
	} else if (data[0] == WACOM_REPORT_PENABLED) { /* Penabled */
		prox = data[1] & 0x20;

		if (!wacom->shared->stylus_in_proximity) { /* first in prox */
			/* Going into proximity select tool */
			wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
			if (wacom->tool[0] == BTN_TOOL_PEN)
				wacom->id[0] = STYLUS_DEVICE_ID;
			else
				wacom->id[0] = ERASER_DEVICE_ID;

			wacom->shared->stylus_in_proximity = true;
		}
		input_report_key(input, BTN_STYLUS, data[1] & 0x02);
		input_report_key(input, BTN_STYLUS2, data[1] & 0x10);
		input_report_abs(input, ABS_X, le16_to_cpup((__le16 *)&data[2]));
		input_report_abs(input, ABS_Y, le16_to_cpup((__le16 *)&data[4]));
		pressure = ((data[7] & 0x01) << 8) | data[6];
		if (pressure < 0)
			pressure = features->pressure_max + pressure + 1;
		input_report_abs(input, ABS_PRESSURE, pressure);
		input_report_key(input, BTN_TOUCH, data[1] & 0x05);
		if (!prox) { /* out-prox */
			wacom->id[0] = 0;
			wacom->shared->stylus_in_proximity = false;
		}
		input_report_key(input, wacom->tool[0], prox);
		input_report_abs(input, ABS_MISC, wacom->id[0]);
		retval = 1;
	}
	return retval;
}

void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len)
{
	bool sync;

	switch (wacom_wac->features.type) {
	case PENPARTNER:
		sync = wacom_penpartner_irq(wacom_wac);
		break;

	case PL:
		sync = wacom_pl_irq(wacom_wac);
		break;

	case WACOM_G4:
	case GRAPHIRE:
	case WACOM_MO:
		sync = wacom_graphire_irq(wacom_wac);
		break;

	case PTU:
		sync = wacom_ptu_irq(wacom_wac);
		break;

	case DTU:
		sync = wacom_dtu_irq(wacom_wac);
		break;

	case INTUOS:
	case INTUOS3S:
	case INTUOS3:
	case INTUOS3L:
	case INTUOS4S:
	case INTUOS4:
	case INTUOS4L:
	case CINTIQ:
	case WACOM_BEE:
	case WACOM_21UX2:
		sync = wacom_intuos_irq(wacom_wac);
		break;

	case TABLETPC:
	case TABLETPC2FG:
		sync = wacom_tpc_irq(wacom_wac, len);
		break;

	default:
		sync = false;
		break;
	}

	if (sync)
		input_sync(wacom_wac->input);
}

static void wacom_setup_intuos(struct wacom_wac *wacom_wac)
{
	struct input_dev *input_dev = wacom_wac->input;

	input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
	input_set_capability(input_dev, EV_REL, REL_WHEEL);

	__set_bit(BTN_LEFT, input_dev->keybit);
	__set_bit(BTN_RIGHT, input_dev->keybit);
	__set_bit(BTN_MIDDLE, input_dev->keybit);
	__set_bit(BTN_SIDE, input_dev->keybit);
	__set_bit(BTN_EXTRA, input_dev->keybit);

	__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
	__set_bit(BTN_TOOL_PEN, input_dev->keybit);
	__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
	__set_bit(BTN_TOOL_BRUSH, input_dev->keybit);
	__set_bit(BTN_TOOL_PENCIL, input_dev->keybit);
	__set_bit(BTN_TOOL_AIRBRUSH, input_dev->keybit);
	__set_bit(BTN_TOOL_LENS, input_dev->keybit);
	__set_bit(BTN_STYLUS, input_dev->keybit);
	__set_bit(BTN_STYLUS2, input_dev->keybit);

	input_set_abs_params(input_dev, ABS_DISTANCE,
			     0, wacom_wac->features.distance_max, 0, 0);
	input_set_abs_params(input_dev, ABS_WHEEL, 0, 1023, 0, 0);
	input_set_abs_params(input_dev, ABS_TILT_X, 0, 127, 0, 0);
	input_set_abs_params(input_dev, ABS_TILT_Y, 0, 127, 0, 0);
	input_set_abs_params(input_dev, ABS_RZ, -900, 899, 0, 0);
	input_set_abs_params(input_dev, ABS_THROTTLE, -1023, 1023, 0, 0);
}

void wacom_setup_input_capabilities(struct input_dev *input_dev,
				    struct wacom_wac *wacom_wac)
{
	struct wacom_features *features = &wacom_wac->features;
	int i;

	input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);

	__set_bit(BTN_TOUCH, input_dev->keybit);

	input_set_abs_params(input_dev, ABS_X, 0, features->x_max, 4, 0);
	input_set_abs_params(input_dev, ABS_Y, 0, features->y_max, 4, 0);
	input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max, 0, 0);

	__set_bit(ABS_MISC, input_dev->absbit);

	switch (wacom_wac->features.type) {
	case WACOM_MO:
		__set_bit(BTN_1, input_dev->keybit);
		__set_bit(BTN_5, input_dev->keybit);

		input_set_abs_params(input_dev, ABS_WHEEL, 0, 71, 0, 0);
		/* fall through */

	case WACOM_G4:
		input_set_capability(input_dev, EV_MSC, MSC_SERIAL);

		__set_bit(BTN_TOOL_FINGER, input_dev->keybit);
		__set_bit(BTN_0, input_dev->keybit);
		__set_bit(BTN_4, input_dev->keybit);
		/* fall through */

	case GRAPHIRE:
		input_set_capability(input_dev, EV_REL, REL_WHEEL);

		__set_bit(BTN_LEFT, input_dev->keybit);
		__set_bit(BTN_RIGHT, input_dev->keybit);
		__set_bit(BTN_MIDDLE, input_dev->keybit);

		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
		__set_bit(BTN_TOOL_MOUSE, input_dev->keybit);
		__set_bit(BTN_STYLUS, input_dev->keybit);
		__set_bit(BTN_STYLUS2, input_dev->keybit);
		break;

	case WACOM_21UX2:
		__set_bit(BTN_A, input_dev->keybit);
		__set_bit(BTN_B, input_dev->keybit);
		__set_bit(BTN_C, input_dev->keybit);
		__set_bit(BTN_X, input_dev->keybit);
		__set_bit(BTN_Y, input_dev->keybit);
		__set_bit(BTN_Z, input_dev->keybit);
		__set_bit(BTN_BASE, input_dev->keybit);
		__set_bit(BTN_BASE2, input_dev->keybit);
		/* fall through */

	case WACOM_BEE:
		__set_bit(BTN_8, input_dev->keybit);
		__set_bit(BTN_9, input_dev->keybit);
		/* fall through */

	case INTUOS3:
	case INTUOS3L:
	case CINTIQ:
		__set_bit(BTN_4, input_dev->keybit);
		__set_bit(BTN_5, input_dev->keybit);
		__set_bit(BTN_6, input_dev->keybit);
		__set_bit(BTN_7, input_dev->keybit);

		input_set_abs_params(input_dev, ABS_RY, 0, 4096, 0, 0);
		/* fall through */

	case INTUOS3S:
		__set_bit(BTN_0, input_dev->keybit);
		__set_bit(BTN_1, input_dev->keybit);
		__set_bit(BTN_2, input_dev->keybit);
		__set_bit(BTN_3, input_dev->keybit);

		__set_bit(BTN_TOOL_FINGER, input_dev->keybit);

		input_set_abs_params(input_dev, ABS_RX, 0, 4096, 0, 0);
		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
		/* fall through */

	case INTUOS:
		wacom_setup_intuos(wacom_wac);
		break;

	case INTUOS4:
	case INTUOS4L:
		__set_bit(BTN_7, input_dev->keybit);
		__set_bit(BTN_8, input_dev->keybit);
		/* fall through */

	case INTUOS4S:
		for (i = 0; i < 7; i++)
			__set_bit(BTN_0 + i, input_dev->keybit);
		__set_bit(BTN_TOOL_FINGER, input_dev->keybit);

		input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0);
		wacom_setup_intuos(wacom_wac);
		break;

	case TABLETPC2FG:
		if (features->device_type == BTN_TOOL_TRIPLETAP) {
			__set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
			input_set_capability(input_dev, EV_MSC, MSC_SERIAL);
		}
		/* fall through */

	case TABLETPC:
		if (features->device_type == BTN_TOOL_DOUBLETAP ||
		    features->device_type == BTN_TOOL_TRIPLETAP) {
			input_set_abs_params(input_dev, ABS_RX, 0, features->x_phy, 0, 0);
			input_set_abs_params(input_dev, ABS_RY, 0, features->y_phy, 0, 0);
			__set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit);
		}

		if (features->device_type != BTN_TOOL_PEN)
			break;  /* no need to process stylus stuff */

		/* fall through */

	case PL:
	case PTU:
	case DTU:
		__set_bit(BTN_TOOL_PEN, input_dev->keybit);
		__set_bit(BTN_STYLUS, input_dev->keybit);
		__set_bit(BTN_STYLUS2, input_dev->keybit);
		/* fall through */

	case PENPARTNER:
		__set_bit(BTN_TOOL_RUBBER, input_dev->keybit);
		break;
	}
}

static const struct wacom_features wacom_features_0x00 =
	{ "Wacom Penpartner",     WACOM_PKGLEN_PENPRTN,    5040,  3780,  255,  0, PENPARTNER };
static const struct wacom_features wacom_features_0x10 =
	{ "Wacom Graphire",       WACOM_PKGLEN_GRAPHIRE,  10206,  7422,  511, 63, GRAPHIRE };
static const struct wacom_features wacom_features_0x11 =
	{ "Wacom Graphire2 4x5",  WACOM_PKGLEN_GRAPHIRE,  10206,  7422,  511, 63, GRAPHIRE };
static const struct wacom_features wacom_features_0x12 =
	{ "Wacom Graphire2 5x7",  WACOM_PKGLEN_GRAPHIRE,  13918, 10206,  511, 63, GRAPHIRE };
static const struct wacom_features wacom_features_0x13 =
	{ "Wacom Graphire3",      WACOM_PKGLEN_GRAPHIRE,  10208,  7424,  511, 63, GRAPHIRE };
static const struct wacom_features wacom_features_0x14 =
	{ "Wacom Graphire3 6x8",  WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511, 63, GRAPHIRE };
static const struct wacom_features wacom_features_0x15 =
	{ "Wacom Graphire4 4x5",  WACOM_PKGLEN_GRAPHIRE,  10208,  7424,  511, 63, WACOM_G4 };
static const struct wacom_features wacom_features_0x16 =
	{ "Wacom Graphire4 6x8",  WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511, 63, WACOM_G4 };
static const struct wacom_features wacom_features_0x17 =
	{ "Wacom BambooFun 4x5",  WACOM_PKGLEN_BBFUN,     14760,  9225,  511, 63, WACOM_MO };
static const struct wacom_features wacom_features_0x18 =
	{ "Wacom BambooFun 6x8",  WACOM_PKGLEN_BBFUN,     21648, 13530,  511, 63, WACOM_MO };
static const struct wacom_features wacom_features_0x19 =
	{ "Wacom Bamboo1 Medium", WACOM_PKGLEN_GRAPHIRE,  16704, 12064,  511, 63, GRAPHIRE };
static const struct wacom_features wacom_features_0x60 =
	{ "Wacom Volito",         WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511, 63, GRAPHIRE };
static const struct wacom_features wacom_features_0x61 =
	{ "Wacom PenStation2",    WACOM_PKGLEN_GRAPHIRE,   3250,  2320,  255, 63, GRAPHIRE };
static const struct wacom_features wacom_features_0x62 =
	{ "Wacom Volito2 4x5",    WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511, 63, GRAPHIRE };
static const struct wacom_features wacom_features_0x63 =
	{ "Wacom Volito2 2x3",    WACOM_PKGLEN_GRAPHIRE,   3248,  2320,  511, 63, GRAPHIRE };
static const struct wacom_features wacom_features_0x64 =
	{ "Wacom PenPartner2",    WACOM_PKGLEN_GRAPHIRE,   3250,  2320,  511, 63, GRAPHIRE };
static const struct wacom_features wacom_features_0x65 =
	{ "Wacom Bamboo",         WACOM_PKGLEN_BBFUN,     14760,  9225,  511, 63, WACOM_MO };
static const struct wacom_features wacom_features_0x69 =
	{ "Wacom Bamboo1",        WACOM_PKGLEN_GRAPHIRE,   5104,  3712,  511, 63, GRAPHIRE };
static const struct wacom_features wacom_features_0x20 =
	{ "Wacom Intuos 4x5",     WACOM_PKGLEN_INTUOS,    12700, 10600, 1023, 31, INTUOS };
static const struct wacom_features wacom_features_0x21 =
	{ "Wacom Intuos 6x8",     WACOM_PKGLEN_INTUOS,    20320, 16240, 1023, 31, INTUOS };
static const struct wacom_features wacom_features_0x22 =
	{ "Wacom Intuos 9x12",    WACOM_PKGLEN_INTUOS,    30480, 24060, 1023, 31, INTUOS };
static const struct wacom_features wacom_features_0x23 =
	{ "Wacom Intuos 12x12",   WACOM_PKGLEN_INTUOS,    30480, 31680, 1023, 31, INTUOS };
static const struct wacom_features wacom_features_0x24 =
	{ "Wacom Intuos 12x18",   WACOM_PKGLEN_INTUOS,    45720, 31680, 1023, 31, INTUOS };
static const struct wacom_features wacom_features_0x30 =
	{ "Wacom PL400",          WACOM_PKGLEN_GRAPHIRE,   5408,  4056,  255,  0, PL };
static const struct wacom_features wacom_features_0x31 =
	{ "Wacom PL500",          WACOM_PKGLEN_GRAPHIRE,   6144,  4608,  255,  0, PL };
static const struct wacom_features wacom_features_0x32 =
	{ "Wacom PL600",          WACOM_PKGLEN_GRAPHIRE,   6126,  4604,  255,  0, PL };
static const struct wacom_features wacom_features_0x33 =
	{ "Wacom PL600SX",        WACOM_PKGLEN_GRAPHIRE,   6260,  5016,  255,  0, PL };
static const struct wacom_features wacom_features_0x34 =
	{ "Wacom PL550",          WACOM_PKGLEN_GRAPHIRE,   6144,  4608,  511,  0, PL };
static const struct wacom_features wacom_features_0x35 =
	{ "Wacom PL800",          WACOM_PKGLEN_GRAPHIRE,   7220,  5780,  511,  0, PL };
static const struct wacom_features wacom_features_0x37 =
	{ "Wacom PL700",          WACOM_PKGLEN_GRAPHIRE,   6758,  5406,  511,  0, PL };
static const struct wacom_features wacom_features_0x38 =
	{ "Wacom PL510",          WACOM_PKGLEN_GRAPHIRE,   6282,  4762,  511,  0, PL };
static const struct wacom_features wacom_features_0x39 =
	{ "Wacom DTU710",         WACOM_PKGLEN_GRAPHIRE,  34080, 27660,  511,  0, PL };
static const struct wacom_features wacom_features_0xC4 =
	{ "Wacom DTF521",         WACOM_PKGLEN_GRAPHIRE,   6282,  4762,  511,  0, PL };
static const struct wacom_features wacom_features_0xC0 =
	{ "Wacom DTF720",         WACOM_PKGLEN_GRAPHIRE,   6858,  5506,  511,  0, PL };
static const struct wacom_features wacom_features_0xC2 =
	{ "Wacom DTF720a",        WACOM_PKGLEN_GRAPHIRE,   6858,  5506,  511,  0, PL };
static const struct wacom_features wacom_features_0x03 =
	{ "Wacom Cintiq Partner", WACOM_PKGLEN_GRAPHIRE,  20480, 15360,  511,  0, PTU };
static const struct wacom_features wacom_features_0x41 =
	{ "Wacom Intuos2 4x5",    WACOM_PKGLEN_INTUOS,    12700, 10600, 1023, 31, INTUOS };
static const struct wacom_features wacom_features_0x42 =
	{ "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023, 31, INTUOS };
static const struct wacom_features wacom_features_0x43 =
	{ "Wacom Intuos2 9x12",   WACOM_PKGLEN_INTUOS,    30480, 24060, 1023, 31, INTUOS };
static const struct wacom_features wacom_features_0x44 =
	{ "Wacom Intuos2 12x12",  WACOM_PKGLEN_INTUOS,    30480, 31680, 1023, 31, INTUOS };
static const struct wacom_features wacom_features_0x45 =
	{ "Wacom Intuos2 12x18",  WACOM_PKGLEN_INTUOS,    45720, 31680, 1023, 31, INTUOS };
static const struct wacom_features wacom_features_0xB0 =
	{ "Wacom Intuos3 4x5",    WACOM_PKGLEN_INTUOS,    25400, 20320, 1023, 63, INTUOS3S };
static const struct wacom_features wacom_features_0xB1 =
	{ "Wacom Intuos3 6x8",    WACOM_PKGLEN_INTUOS,    40640, 30480, 1023, 63, INTUOS3 };
static const struct wacom_features wacom_features_0xB2 =
	{ "Wacom Intuos3 9x12",   WACOM_PKGLEN_INTUOS,    60960, 45720, 1023, 63, INTUOS3 };
static const struct wacom_features wacom_features_0xB3 =
	{ "Wacom Intuos3 12x12",  WACOM_PKGLEN_INTUOS,    60960, 60960, 1023, 63, INTUOS3L };
static const struct wacom_features wacom_features_0xB4 =
	{ "Wacom Intuos3 12x19",  WACOM_PKGLEN_INTUOS,    97536, 60960, 1023, 63, INTUOS3L };
static const struct wacom_features wacom_features_0xB5 =
	{ "Wacom Intuos3 6x11",   WACOM_PKGLEN_INTUOS,    54204, 31750, 1023, 63, INTUOS3 };
static const struct wacom_features wacom_features_0xB7 =
	{ "Wacom Intuos3 4x6",    WACOM_PKGLEN_INTUOS,    31496, 19685, 1023, 63, INTUOS3S };
static const struct wacom_features wacom_features_0xB8 =
	{ "Wacom Intuos4 4x6",    WACOM_PKGLEN_INTUOS,    31496, 19685, 2047, 63, INTUOS4S };
static const struct wacom_features wacom_features_0xB9 =
	{ "Wacom Intuos4 6x9",    WACOM_PKGLEN_INTUOS,    44704, 27940, 2047, 63, INTUOS4 };
static const struct wacom_features wacom_features_0xBA =
	{ "Wacom Intuos4 8x13",   WACOM_PKGLEN_INTUOS,    65024, 40640, 2047, 63, INTUOS4L };
static const struct wacom_features wacom_features_0xBB =
	{ "Wacom Intuos4 12x19",  WACOM_PKGLEN_INTUOS,    97536, 60960, 2047, 63, INTUOS4L };
static const struct wacom_features wacom_features_0xBC =
	{ "Wacom Intuos4 WL",     WACOM_PKGLEN_INTUOS,    40840, 25400, 2047, 63, INTUOS4 };
static const struct wacom_features wacom_features_0x3F =
	{ "Wacom Cintiq 21UX",    WACOM_PKGLEN_INTUOS,    87200, 65600, 1023, 63, CINTIQ };
static const struct wacom_features wacom_features_0xC5 =
	{ "Wacom Cintiq 20WSX",   WACOM_PKGLEN_INTUOS,    86680, 54180, 1023, 63, WACOM_BEE };
static const struct wacom_features wacom_features_0xC6 =
	{ "Wacom Cintiq 12WX",    WACOM_PKGLEN_INTUOS,    53020, 33440, 1023, 63, WACOM_BEE };
static const struct wacom_features wacom_features_0xC7 =
	{ "Wacom DTU1931",        WACOM_PKGLEN_GRAPHIRE,  37832, 30305,  511,  0, PL };
static const struct wacom_features wacom_features_0xCE =
	{ "Wacom DTU2231",        WACOM_PKGLEN_GRAPHIRE,  47864, 27011,  511,  0, DTU };
static const struct wacom_features wacom_features_0xF0 =
	{ "Wacom DTU1631",        WACOM_PKGLEN_GRAPHIRE,  34623, 19553,  511,  0, DTU };
static const struct wacom_features wacom_features_0xCC =
	{ "Wacom Cintiq 21UX2",   WACOM_PKGLEN_INTUOS,    87200, 65600, 2047, 63, WACOM_21UX2 };
static const struct wacom_features wacom_features_0x90 =
	{ "Wacom ISDv4 90",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,  0, TABLETPC };
static const struct wacom_features wacom_features_0x93 =
	{ "Wacom ISDv4 93",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,  0, TABLETPC };
static const struct wacom_features wacom_features_0x9A =
	{ "Wacom ISDv4 9A",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,  0, TABLETPC };
static const struct wacom_features wacom_features_0x9F =
	{ "Wacom ISDv4 9F",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,  0, TABLETPC };
static const struct wacom_features wacom_features_0xE2 =
	{ "Wacom ISDv4 E2",       WACOM_PKGLEN_TPC2FG,    26202, 16325,  255,  0, TABLETPC2FG };
static const struct wacom_features wacom_features_0xE3 =
	{ "Wacom ISDv4 E3",       WACOM_PKGLEN_TPC2FG,    26202, 16325,  255,  0, TABLETPC2FG };
static const struct wacom_features wacom_features_0x47 =
	{ "Wacom Intuos2 6x8",    WACOM_PKGLEN_INTUOS,    20320, 16240, 1023, 31, INTUOS };

#define USB_DEVICE_WACOM(prod)					\
	USB_DEVICE(USB_VENDOR_ID_WACOM, prod),			\
	.driver_info = (kernel_ulong_t)&wacom_features_##prod

const struct usb_device_id wacom_ids[] = {
	{ USB_DEVICE_WACOM(0x00) },
	{ USB_DEVICE_WACOM(0x10) },
	{ USB_DEVICE_WACOM(0x11) },
	{ USB_DEVICE_WACOM(0x12) },
	{ USB_DEVICE_WACOM(0x13) },
	{ USB_DEVICE_WACOM(0x14) },
	{ USB_DEVICE_WACOM(0x15) },
	{ USB_DEVICE_WACOM(0x16) },
	{ USB_DEVICE_WACOM(0x17) },
	{ USB_DEVICE_WACOM(0x18) },
	{ USB_DEVICE_WACOM(0x19) },
	{ USB_DEVICE_WACOM(0x60) },
	{ USB_DEVICE_WACOM(0x61) },
	{ USB_DEVICE_WACOM(0x62) },
	{ USB_DEVICE_WACOM(0x63) },
	{ USB_DEVICE_WACOM(0x64) },
	{ USB_DEVICE_WACOM(0x65) },
	{ USB_DEVICE_WACOM(0x69) },
	{ USB_DEVICE_WACOM(0x20) },
	{ USB_DEVICE_WACOM(0x21) },
	{ USB_DEVICE_WACOM(0x22) },
	{ USB_DEVICE_WACOM(0x23) },
	{ USB_DEVICE_WACOM(0x24) },
	{ USB_DEVICE_WACOM(0x30) },
	{ USB_DEVICE_WACOM(0x31) },
	{ USB_DEVICE_WACOM(0x32) },
	{ USB_DEVICE_WACOM(0x33) },
	{ USB_DEVICE_WACOM(0x34) },
	{ USB_DEVICE_WACOM(0x35) },
	{ USB_DEVICE_WACOM(0x37) },
	{ USB_DEVICE_WACOM(0x38) },
	{ USB_DEVICE_WACOM(0x39) },
	{ USB_DEVICE_WACOM(0xC4) },
	{ USB_DEVICE_WACOM(0xC0) },
	{ USB_DEVICE_WACOM(0xC2) },
	{ USB_DEVICE_WACOM(0x03) },
	{ USB_DEVICE_WACOM(0x41) },
	{ USB_DEVICE_WACOM(0x42) },
	{ USB_DEVICE_WACOM(0x43) },
	{ USB_DEVICE_WACOM(0x44) },
	{ USB_DEVICE_WACOM(0x45) },
	{ USB_DEVICE_WACOM(0xB0) },
	{ USB_DEVICE_WACOM(0xB1) },
	{ USB_DEVICE_WACOM(0xB2) },
	{ USB_DEVICE_WACOM(0xB3) },
	{ USB_DEVICE_WACOM(0xB4) },
	{ USB_DEVICE_WACOM(0xB5) },
	{ USB_DEVICE_WACOM(0xB7) },
	{ USB_DEVICE_WACOM(0xB8) },
	{ USB_DEVICE_WACOM(0xB9) },
	{ USB_DEVICE_WACOM(0xBA) },
	{ USB_DEVICE_WACOM(0xBB) },
	{ USB_DEVICE_WACOM(0xBC) },
	{ USB_DEVICE_WACOM(0x3F) },
	{ USB_DEVICE_WACOM(0xC5) },
	{ USB_DEVICE_WACOM(0xC6) },
	{ USB_DEVICE_WACOM(0xC7) },
	{ USB_DEVICE_WACOM(0xCE) },
	{ USB_DEVICE_WACOM(0xF0) },
	{ USB_DEVICE_WACOM(0xCC) },
	{ USB_DEVICE_WACOM(0x90) },
	{ USB_DEVICE_WACOM(0x93) },
	{ USB_DEVICE_WACOM(0x9A) },
	{ USB_DEVICE_WACOM(0x9F) },
	{ USB_DEVICE_WACOM(0xE2) },
	{ USB_DEVICE_WACOM(0xE3) },
	{ USB_DEVICE_WACOM(0x47) },
	{ }
};
MODULE_DEVICE_TABLE(usb, wacom_ids);