aboutsummaryrefslogtreecommitdiff
path: root/drivers/hid/hid-sony.c
blob: 69204afea7a48384d7bda840808b5c66b0988b60 (plain)
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
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
/*
 *  HID driver for Sony / PS2 / PS3 BD devices.
 *
 *  Copyright (c) 1999 Andreas Gal
 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
 *  Copyright (c) 2008 Jiri Slaby
 *  Copyright (c) 2012 David Dillow <dave@thedillows.org>
 *  Copyright (c) 2006-2013 Jiri Kosina
 *  Copyright (c) 2013 Colin Leitner <colin.leitner@gmail.com>
 */

/*
 * 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.
 */

/*
 * NOTE: in order for the Sony PS3 BD Remote Control to be found by
 * a Bluetooth host, the key combination Start+Enter has to be kept pressed
 * for about 7 seconds with the Bluetooth Host Controller in discovering mode.
 *
 * There will be no PIN request from the device.
 */

#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/leds.h>
#include <linux/power_supply.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/input/mt.h>

#include "hid-ids.h"

#define VAIO_RDESC_CONSTANT       BIT(0)
#define SIXAXIS_CONTROLLER_USB    BIT(1)
#define SIXAXIS_CONTROLLER_BT     BIT(2)
#define BUZZ_CONTROLLER           BIT(3)
#define PS3REMOTE                 BIT(4)
#define DUALSHOCK4_CONTROLLER_USB BIT(5)
#define DUALSHOCK4_CONTROLLER_BT  BIT(6)

#define SIXAXIS_CONTROLLER (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)
#define DUALSHOCK4_CONTROLLER (DUALSHOCK4_CONTROLLER_USB |\
				DUALSHOCK4_CONTROLLER_BT)
#define SONY_LED_SUPPORT (SIXAXIS_CONTROLLER | BUZZ_CONTROLLER |\
				DUALSHOCK4_CONTROLLER)
#define SONY_BATTERY_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER)
#define SONY_FF_SUPPORT (SIXAXIS_CONTROLLER | DUALSHOCK4_CONTROLLER)

#define MAX_LEDS 4

static const u8 sixaxis_rdesc_fixup[] = {
	0x95, 0x13, 0x09, 0x01, 0x81, 0x02, 0x95, 0x0C,
	0x81, 0x01, 0x75, 0x10, 0x95, 0x04, 0x26, 0xFF,
	0x03, 0x46, 0xFF, 0x03, 0x09, 0x01, 0x81, 0x02
};

static const u8 sixaxis_rdesc_fixup2[] = {
	0x05, 0x01, 0x09, 0x04, 0xa1, 0x01, 0xa1, 0x02,
	0x85, 0x01, 0x75, 0x08, 0x95, 0x01, 0x15, 0x00,
	0x26, 0xff, 0x00, 0x81, 0x03, 0x75, 0x01, 0x95,
	0x13, 0x15, 0x00, 0x25, 0x01, 0x35, 0x00, 0x45,
	0x01, 0x05, 0x09, 0x19, 0x01, 0x29, 0x13, 0x81,
	0x02, 0x75, 0x01, 0x95, 0x0d, 0x06, 0x00, 0xff,
	0x81, 0x03, 0x15, 0x00, 0x26, 0xff, 0x00, 0x05,
	0x01, 0x09, 0x01, 0xa1, 0x00, 0x75, 0x08, 0x95,
	0x04, 0x35, 0x00, 0x46, 0xff, 0x00, 0x09, 0x30,
	0x09, 0x31, 0x09, 0x32, 0x09, 0x35, 0x81, 0x02,
	0xc0, 0x05, 0x01, 0x95, 0x13, 0x09, 0x01, 0x81,
	0x02, 0x95, 0x0c, 0x81, 0x01, 0x75, 0x10, 0x95,
	0x04, 0x26, 0xff, 0x03, 0x46, 0xff, 0x03, 0x09,
	0x01, 0x81, 0x02, 0xc0, 0xa1, 0x02, 0x85, 0x02,
	0x75, 0x08, 0x95, 0x30, 0x09, 0x01, 0xb1, 0x02,
	0xc0, 0xa1, 0x02, 0x85, 0xee, 0x75, 0x08, 0x95,
	0x30, 0x09, 0x01, 0xb1, 0x02, 0xc0, 0xa1, 0x02,
	0x85, 0xef, 0x75, 0x08, 0x95, 0x30, 0x09, 0x01,
	0xb1, 0x02, 0xc0, 0xc0,
};

/*
 * The default descriptor doesn't provide mapping for the accelerometers
 * or orientation sensors.  This fixed descriptor maps the accelerometers
 * to usage values 0x40, 0x41 and 0x42 and maps the orientation sensors
 * to usage values 0x43, 0x44 and 0x45.
 */
static u8 dualshock4_usb_rdesc[] = {
	0x05, 0x01,         /*  Usage Page (Desktop),               */
	0x09, 0x05,         /*  Usage (Gamepad),                    */
	0xA1, 0x01,         /*  Collection (Application),           */
	0x85, 0x01,         /*      Report ID (1),                  */
	0x09, 0x30,         /*      Usage (X),                      */
	0x09, 0x31,         /*      Usage (Y),                      */
	0x09, 0x32,         /*      Usage (Z),                      */
	0x09, 0x35,         /*      Usage (Rz),                     */
	0x15, 0x00,         /*      Logical Minimum (0),            */
	0x26, 0xFF, 0x00,   /*      Logical Maximum (255),          */
	0x75, 0x08,         /*      Report Size (8),                */
	0x95, 0x04,         /*      Report Count (4),               */
	0x81, 0x02,         /*      Input (Variable),               */
	0x09, 0x39,         /*      Usage (Hat Switch),             */
	0x15, 0x00,         /*      Logical Minimum (0),            */
	0x25, 0x07,         /*      Logical Maximum (7),            */
	0x35, 0x00,         /*      Physical Minimum (0),           */
	0x46, 0x3B, 0x01,   /*      Physical Maximum (315),         */
	0x65, 0x14,         /*      Unit (Degrees),                 */
	0x75, 0x04,         /*      Report Size (4),                */
	0x95, 0x01,         /*      Report Count (1),               */
	0x81, 0x42,         /*      Input (Variable, Null State),   */
	0x65, 0x00,         /*      Unit,                           */
	0x05, 0x09,         /*      Usage Page (Button),            */
	0x19, 0x01,         /*      Usage Minimum (01h),            */
	0x29, 0x0E,         /*      Usage Maximum (0Eh),            */
	0x15, 0x00,         /*      Logical Minimum (0),            */
	0x25, 0x01,         /*      Logical Maximum (1),            */
	0x75, 0x01,         /*      Report Size (1),                */
	0x95, 0x0E,         /*      Report Count (14),              */
	0x81, 0x02,         /*      Input (Variable),               */
	0x06, 0x00, 0xFF,   /*      Usage Page (FF00h),             */
	0x09, 0x20,         /*      Usage (20h),                    */
	0x75, 0x06,         /*      Report Size (6),                */
	0x95, 0x01,         /*      Report Count (1),               */
	0x15, 0x00,         /*      Logical Minimum (0),            */
	0x25, 0x7F,         /*      Logical Maximum (127),          */
	0x81, 0x02,         /*      Input (Variable),               */
	0x05, 0x01,         /*      Usage Page (Desktop),           */
	0x09, 0x33,         /*      Usage (Rx),                     */
	0x09, 0x34,         /*      Usage (Ry),                     */
	0x15, 0x00,         /*      Logical Minimum (0),            */
	0x26, 0xFF, 0x00,   /*      Logical Maximum (255),          */
	0x75, 0x08,         /*      Report Size (8),                */
	0x95, 0x02,         /*      Report Count (2),               */
	0x81, 0x02,         /*      Input (Variable),               */
	0x06, 0x00, 0xFF,   /*      Usage Page (FF00h),             */
	0x09, 0x21,         /*      Usage (21h),                    */
	0x95, 0x03,         /*      Report Count (3),               */
	0x81, 0x02,         /*      Input (Variable),               */
	0x05, 0x01,         /*      Usage Page (Desktop),           */
	0x19, 0x40,         /*      Usage Minimum (40h),            */
	0x29, 0x42,         /*      Usage Maximum (42h),            */
	0x16, 0x00, 0x80,   /*      Logical Minimum (-32768),       */
	0x26, 0x00, 0x7F,   /*      Logical Maximum (32767),        */
	0x75, 0x10,         /*      Report Size (16),               */
	0x95, 0x03,         /*      Report Count (3),               */
	0x81, 0x02,         /*      Input (Variable),               */
	0x19, 0x43,         /*      Usage Minimum (43h),            */
	0x29, 0x45,         /*      Usage Maximum (45h),            */
	0x16, 0xFF, 0xBF,   /*      Logical Minimum (-16385),       */
	0x26, 0x00, 0x40,   /*      Logical Maximum (16384),        */
	0x95, 0x03,         /*      Report Count (3),               */
	0x81, 0x02,         /*      Input (Variable),               */
	0x06, 0x00, 0xFF,   /*      Usage Page (FF00h),             */
	0x09, 0x21,         /*      Usage (21h),                    */
	0x15, 0x00,         /*      Logical Minimum (0),            */
	0x25, 0xFF,         /*      Logical Maximum (255),          */
	0x75, 0x08,         /*      Report Size (8),                */
	0x95, 0x27,         /*      Report Count (39),              */
	0x81, 0x02,         /*      Input (Variable),               */
	0x85, 0x05,         /*      Report ID (5),                  */
	0x09, 0x22,         /*      Usage (22h),                    */
	0x95, 0x1F,         /*      Report Count (31),              */
	0x91, 0x02,         /*      Output (Variable),              */
	0x85, 0x04,         /*      Report ID (4),                  */
	0x09, 0x23,         /*      Usage (23h),                    */
	0x95, 0x24,         /*      Report Count (36),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x02,         /*      Report ID (2),                  */
	0x09, 0x24,         /*      Usage (24h),                    */
	0x95, 0x24,         /*      Report Count (36),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x08,         /*      Report ID (8),                  */
	0x09, 0x25,         /*      Usage (25h),                    */
	0x95, 0x03,         /*      Report Count (3),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x10,         /*      Report ID (16),                 */
	0x09, 0x26,         /*      Usage (26h),                    */
	0x95, 0x04,         /*      Report Count (4),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x11,         /*      Report ID (17),                 */
	0x09, 0x27,         /*      Usage (27h),                    */
	0x95, 0x02,         /*      Report Count (2),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x12,         /*      Report ID (18),                 */
	0x06, 0x02, 0xFF,   /*      Usage Page (FF02h),             */
	0x09, 0x21,         /*      Usage (21h),                    */
	0x95, 0x0F,         /*      Report Count (15),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x13,         /*      Report ID (19),                 */
	0x09, 0x22,         /*      Usage (22h),                    */
	0x95, 0x16,         /*      Report Count (22),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x14,         /*      Report ID (20),                 */
	0x06, 0x05, 0xFF,   /*      Usage Page (FF05h),             */
	0x09, 0x20,         /*      Usage (20h),                    */
	0x95, 0x10,         /*      Report Count (16),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x15,         /*      Report ID (21),                 */
	0x09, 0x21,         /*      Usage (21h),                    */
	0x95, 0x2C,         /*      Report Count (44),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x06, 0x80, 0xFF,   /*      Usage Page (FF80h),             */
	0x85, 0x80,         /*      Report ID (128),                */
	0x09, 0x20,         /*      Usage (20h),                    */
	0x95, 0x06,         /*      Report Count (6),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x81,         /*      Report ID (129),                */
	0x09, 0x21,         /*      Usage (21h),                    */
	0x95, 0x06,         /*      Report Count (6),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x82,         /*      Report ID (130),                */
	0x09, 0x22,         /*      Usage (22h),                    */
	0x95, 0x05,         /*      Report Count (5),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x83,         /*      Report ID (131),                */
	0x09, 0x23,         /*      Usage (23h),                    */
	0x95, 0x01,         /*      Report Count (1),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x84,         /*      Report ID (132),                */
	0x09, 0x24,         /*      Usage (24h),                    */
	0x95, 0x04,         /*      Report Count (4),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x85,         /*      Report ID (133),                */
	0x09, 0x25,         /*      Usage (25h),                    */
	0x95, 0x06,         /*      Report Count (6),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x86,         /*      Report ID (134),                */
	0x09, 0x26,         /*      Usage (26h),                    */
	0x95, 0x06,         /*      Report Count (6),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x87,         /*      Report ID (135),                */
	0x09, 0x27,         /*      Usage (27h),                    */
	0x95, 0x23,         /*      Report Count (35),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x88,         /*      Report ID (136),                */
	0x09, 0x28,         /*      Usage (28h),                    */
	0x95, 0x22,         /*      Report Count (34),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x89,         /*      Report ID (137),                */
	0x09, 0x29,         /*      Usage (29h),                    */
	0x95, 0x02,         /*      Report Count (2),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x90,         /*      Report ID (144),                */
	0x09, 0x30,         /*      Usage (30h),                    */
	0x95, 0x05,         /*      Report Count (5),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x91,         /*      Report ID (145),                */
	0x09, 0x31,         /*      Usage (31h),                    */
	0x95, 0x03,         /*      Report Count (3),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x92,         /*      Report ID (146),                */
	0x09, 0x32,         /*      Usage (32h),                    */
	0x95, 0x03,         /*      Report Count (3),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x93,         /*      Report ID (147),                */
	0x09, 0x33,         /*      Usage (33h),                    */
	0x95, 0x0C,         /*      Report Count (12),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA0,         /*      Report ID (160),                */
	0x09, 0x40,         /*      Usage (40h),                    */
	0x95, 0x06,         /*      Report Count (6),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA1,         /*      Report ID (161),                */
	0x09, 0x41,         /*      Usage (41h),                    */
	0x95, 0x01,         /*      Report Count (1),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA2,         /*      Report ID (162),                */
	0x09, 0x42,         /*      Usage (42h),                    */
	0x95, 0x01,         /*      Report Count (1),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA3,         /*      Report ID (163),                */
	0x09, 0x43,         /*      Usage (43h),                    */
	0x95, 0x30,         /*      Report Count (48),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA4,         /*      Report ID (164),                */
	0x09, 0x44,         /*      Usage (44h),                    */
	0x95, 0x0D,         /*      Report Count (13),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA5,         /*      Report ID (165),                */
	0x09, 0x45,         /*      Usage (45h),                    */
	0x95, 0x15,         /*      Report Count (21),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA6,         /*      Report ID (166),                */
	0x09, 0x46,         /*      Usage (46h),                    */
	0x95, 0x15,         /*      Report Count (21),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xF0,         /*      Report ID (240),                */
	0x09, 0x47,         /*      Usage (47h),                    */
	0x95, 0x3F,         /*      Report Count (63),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xF1,         /*      Report ID (241),                */
	0x09, 0x48,         /*      Usage (48h),                    */
	0x95, 0x3F,         /*      Report Count (63),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xF2,         /*      Report ID (242),                */
	0x09, 0x49,         /*      Usage (49h),                    */
	0x95, 0x0F,         /*      Report Count (15),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA7,         /*      Report ID (167),                */
	0x09, 0x4A,         /*      Usage (4Ah),                    */
	0x95, 0x01,         /*      Report Count (1),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA8,         /*      Report ID (168),                */
	0x09, 0x4B,         /*      Usage (4Bh),                    */
	0x95, 0x01,         /*      Report Count (1),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA9,         /*      Report ID (169),                */
	0x09, 0x4C,         /*      Usage (4Ch),                    */
	0x95, 0x08,         /*      Report Count (8),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xAA,         /*      Report ID (170),                */
	0x09, 0x4E,         /*      Usage (4Eh),                    */
	0x95, 0x01,         /*      Report Count (1),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xAB,         /*      Report ID (171),                */
	0x09, 0x4F,         /*      Usage (4Fh),                    */
	0x95, 0x39,         /*      Report Count (57),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xAC,         /*      Report ID (172),                */
	0x09, 0x50,         /*      Usage (50h),                    */
	0x95, 0x39,         /*      Report Count (57),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xAD,         /*      Report ID (173),                */
	0x09, 0x51,         /*      Usage (51h),                    */
	0x95, 0x0B,         /*      Report Count (11),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xAE,         /*      Report ID (174),                */
	0x09, 0x52,         /*      Usage (52h),                    */
	0x95, 0x01,         /*      Report Count (1),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xAF,         /*      Report ID (175),                */
	0x09, 0x53,         /*      Usage (53h),                    */
	0x95, 0x02,         /*      Report Count (2),               */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xB0,         /*      Report ID (176),                */
	0x09, 0x54,         /*      Usage (54h),                    */
	0x95, 0x3F,         /*      Report Count (63),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0xC0                /*  End Collection                      */
};

/*
 * The default behavior of the Dualshock 4 is to send reports using report
 * type 1 when running over Bluetooth. However, as soon as it receives a
 * report of type 17 to set the LEDs or rumble it starts returning it's state
 * in report 17 instead of 1.  Since report 17 is undefined in the default HID
 * descriptor the button and axis definitions must be moved to report 17 or
 * the HID layer won't process the received input once a report is sent.
 */
static u8 dualshock4_bt_rdesc[] = {
	0x05, 0x01,         /*  Usage Page (Desktop),               */
	0x09, 0x05,         /*  Usage (Gamepad),                    */
	0xA1, 0x01,         /*  Collection (Application),           */
	0x85, 0x01,         /*      Report ID (1),                  */
	0x75, 0x08,         /*      Report Size (8),                */
	0x95, 0x0A,         /*      Report Count (9),               */
	0x81, 0x02,         /*      Input (Variable),               */
	0x06, 0x04, 0xFF,   /*      Usage Page (FF04h),             */
	0x85, 0x02,         /*      Report ID (2),                  */
	0x09, 0x24,         /*      Usage (24h),                    */
	0x95, 0x24,         /*      Report Count (36),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA3,         /*      Report ID (163),                */
	0x09, 0x25,         /*      Usage (25h),                    */
	0x95, 0x30,         /*      Report Count (48),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x05,         /*      Report ID (5),                  */
	0x09, 0x26,         /*      Usage (26h),                    */
	0x95, 0x28,         /*      Report Count (40),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x06,         /*      Report ID (6),                  */
	0x09, 0x27,         /*      Usage (27h),                    */
	0x95, 0x34,         /*      Report Count (52),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x07,         /*      Report ID (7),                  */
	0x09, 0x28,         /*      Usage (28h),                    */
	0x95, 0x30,         /*      Report Count (48),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x08,         /*      Report ID (8),                  */
	0x09, 0x29,         /*      Usage (29h),                    */
	0x95, 0x2F,         /*      Report Count (47),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x06, 0x03, 0xFF,   /*      Usage Page (FF03h),             */
	0x85, 0x03,         /*      Report ID (3),                  */
	0x09, 0x21,         /*      Usage (21h),                    */
	0x95, 0x26,         /*      Report Count (38),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x04,         /*      Report ID (4),                  */
	0x09, 0x22,         /*      Usage (22h),                    */
	0x95, 0x2E,         /*      Report Count (46),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xF0,         /*      Report ID (240),                */
	0x09, 0x47,         /*      Usage (47h),                    */
	0x95, 0x3F,         /*      Report Count (63),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xF1,         /*      Report ID (241),                */
	0x09, 0x48,         /*      Usage (48h),                    */
	0x95, 0x3F,         /*      Report Count (63),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xF2,         /*      Report ID (242),                */
	0x09, 0x49,         /*      Usage (49h),                    */
	0x95, 0x0F,         /*      Report Count (15),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x11,         /*      Report ID (17),                 */
	0x06, 0x00, 0xFF,   /*      Usage Page (FF00h),             */
	0x09, 0x20,         /*      Usage (20h),                    */
	0x95, 0x02,         /*      Report Count (2),               */
	0x81, 0x02,         /*      Input (Variable),               */
	0x05, 0x01,         /*      Usage Page (Desktop),           */
	0x09, 0x30,         /*      Usage (X),                      */
	0x09, 0x31,         /*      Usage (Y),                      */
	0x09, 0x32,         /*      Usage (Z),                      */
	0x09, 0x35,         /*      Usage (Rz),                     */
	0x15, 0x00,         /*      Logical Minimum (0),            */
	0x26, 0xFF, 0x00,   /*      Logical Maximum (255),          */
	0x75, 0x08,         /*      Report Size (8),                */
	0x95, 0x04,         /*      Report Count (4),               */
	0x81, 0x02,         /*      Input (Variable),               */
	0x09, 0x39,         /*      Usage (Hat Switch),             */
	0x15, 0x00,         /*      Logical Minimum (0),            */
	0x25, 0x07,         /*      Logical Maximum (7),            */
	0x75, 0x04,         /*      Report Size (4),                */
	0x95, 0x01,         /*      Report Count (1),               */
	0x81, 0x42,         /*      Input (Variable, Null State),   */
	0x05, 0x09,         /*      Usage Page (Button),            */
	0x19, 0x01,         /*      Usage Minimum (01h),            */
	0x29, 0x0E,         /*      Usage Maximum (0Eh),            */
	0x15, 0x00,         /*      Logical Minimum (0),            */
	0x25, 0x01,         /*      Logical Maximum (1),            */
	0x75, 0x01,         /*      Report Size (1),                */
	0x95, 0x0E,         /*      Report Count (14),              */
	0x81, 0x02,         /*      Input (Variable),               */
	0x75, 0x06,         /*      Report Size (6),                */
	0x95, 0x01,         /*      Report Count (1),               */
	0x81, 0x01,         /*      Input (Constant),               */
	0x05, 0x01,         /*      Usage Page (Desktop),           */
	0x09, 0x33,         /*      Usage (Rx),                     */
	0x09, 0x34,         /*      Usage (Ry),                     */
	0x15, 0x00,         /*      Logical Minimum (0),            */
	0x26, 0xFF, 0x00,   /*      Logical Maximum (255),          */
	0x75, 0x08,         /*      Report Size (8),                */
	0x95, 0x02,         /*      Report Count (2),               */
	0x81, 0x02,         /*      Input (Variable),               */
	0x06, 0x00, 0xFF,   /*      Usage Page (FF00h),             */
	0x09, 0x20,         /*      Usage (20h),                    */
	0x95, 0x03,         /*      Report Count (3),               */
	0x81, 0x02,         /*      Input (Variable),               */
	0x05, 0x01,         /*      Usage Page (Desktop),           */
	0x19, 0x40,         /*      Usage Minimum (40h),            */
	0x29, 0x42,         /*      Usage Maximum (42h),            */
	0x16, 0x00, 0x80,   /*      Logical Minimum (-32768),       */
	0x26, 0x00, 0x7F,   /*      Logical Maximum (32767),        */
	0x75, 0x10,         /*      Report Size (16),               */
	0x95, 0x03,         /*      Report Count (3),               */
	0x81, 0x02,         /*      Input (Variable),               */
	0x19, 0x43,         /*      Usage Minimum (43h),            */
	0x29, 0x45,         /*      Usage Maximum (45h),            */
	0x16, 0xFF, 0xBF,   /*      Logical Minimum (-16385),       */
	0x26, 0x00, 0x40,   /*      Logical Maximum (16384),        */
	0x95, 0x03,         /*      Report Count (3),               */
	0x81, 0x02,         /*      Input (Variable),               */
	0x06, 0x00, 0xFF,   /*      Usage Page (FF00h),             */
	0x09, 0x20,         /*      Usage (20h),                    */
	0x15, 0x00,         /*      Logical Minimum (0),            */
	0x26, 0xFF, 0x00,   /*      Logical Maximum (255),          */
	0x75, 0x08,         /*      Report Size (8),                */
	0x95, 0x31,         /*      Report Count (51),              */
	0x81, 0x02,         /*      Input (Variable),               */
	0x09, 0x21,         /*      Usage (21h),                    */
	0x75, 0x08,         /*      Report Size (8),                */
	0x95, 0x4D,         /*      Report Count (77),              */
	0x91, 0x02,         /*      Output (Variable),              */
	0x85, 0x12,         /*      Report ID (18),                 */
	0x09, 0x22,         /*      Usage (22h),                    */
	0x95, 0x8D,         /*      Report Count (141),             */
	0x81, 0x02,         /*      Input (Variable),               */
	0x09, 0x23,         /*      Usage (23h),                    */
	0x91, 0x02,         /*      Output (Variable),              */
	0x85, 0x13,         /*      Report ID (19),                 */
	0x09, 0x24,         /*      Usage (24h),                    */
	0x95, 0xCD,         /*      Report Count (205),             */
	0x81, 0x02,         /*      Input (Variable),               */
	0x09, 0x25,         /*      Usage (25h),                    */
	0x91, 0x02,         /*      Output (Variable),              */
	0x85, 0x14,         /*      Report ID (20),                 */
	0x09, 0x26,         /*      Usage (26h),                    */
	0x96, 0x0D, 0x01,   /*      Report Count (269),             */
	0x81, 0x02,         /*      Input (Variable),               */
	0x09, 0x27,         /*      Usage (27h),                    */
	0x91, 0x02,         /*      Output (Variable),              */
	0x85, 0x15,         /*      Report ID (21),                 */
	0x09, 0x28,         /*      Usage (28h),                    */
	0x96, 0x4D, 0x01,   /*      Report Count (333),             */
	0x81, 0x02,         /*      Input (Variable),               */
	0x09, 0x29,         /*      Usage (29h),                    */
	0x91, 0x02,         /*      Output (Variable),              */
	0x85, 0x16,         /*      Report ID (22),                 */
	0x09, 0x2A,         /*      Usage (2Ah),                    */
	0x96, 0x8D, 0x01,   /*      Report Count (397),             */
	0x81, 0x02,         /*      Input (Variable),               */
	0x09, 0x2B,         /*      Usage (2Bh),                    */
	0x91, 0x02,         /*      Output (Variable),              */
	0x85, 0x17,         /*      Report ID (23),                 */
	0x09, 0x2C,         /*      Usage (2Ch),                    */
	0x96, 0xCD, 0x01,   /*      Report Count (461),             */
	0x81, 0x02,         /*      Input (Variable),               */
	0x09, 0x2D,         /*      Usage (2Dh),                    */
	0x91, 0x02,         /*      Output (Variable),              */
	0x85, 0x18,         /*      Report ID (24),                 */
	0x09, 0x2E,         /*      Usage (2Eh),                    */
	0x96, 0x0D, 0x02,   /*      Report Count (525),             */
	0x81, 0x02,         /*      Input (Variable),               */
	0x09, 0x2F,         /*      Usage (2Fh),                    */
	0x91, 0x02,         /*      Output (Variable),              */
	0x85, 0x19,         /*      Report ID (25),                 */
	0x09, 0x30,         /*      Usage (30h),                    */
	0x96, 0x22, 0x02,   /*      Report Count (546),             */
	0x81, 0x02,         /*      Input (Variable),               */
	0x09, 0x31,         /*      Usage (31h),                    */
	0x91, 0x02,         /*      Output (Variable),              */
	0x06, 0x80, 0xFF,   /*      Usage Page (FF80h),             */
	0x85, 0x82,         /*      Report ID (130),                */
	0x09, 0x22,         /*      Usage (22h),                    */
	0x95, 0x3F,         /*      Report Count (63),              */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x83,         /*      Report ID (131),                */
	0x09, 0x23,         /*      Usage (23h),                    */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x84,         /*      Report ID (132),                */
	0x09, 0x24,         /*      Usage (24h),                    */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x90,         /*      Report ID (144),                */
	0x09, 0x30,         /*      Usage (30h),                    */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x91,         /*      Report ID (145),                */
	0x09, 0x31,         /*      Usage (31h),                    */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x92,         /*      Report ID (146),                */
	0x09, 0x32,         /*      Usage (32h),                    */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0x93,         /*      Report ID (147),                */
	0x09, 0x33,         /*      Usage (33h),                    */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA0,         /*      Report ID (160),                */
	0x09, 0x40,         /*      Usage (40h),                    */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0x85, 0xA4,         /*      Report ID (164),                */
	0x09, 0x44,         /*      Usage (44h),                    */
	0xB1, 0x02,         /*      Feature (Variable),             */
	0xC0                /*  End Collection                      */
};

static __u8 ps3remote_rdesc[] = {
	0x05, 0x01,          /* GUsagePage Generic Desktop */
	0x09, 0x05,          /* LUsage 0x05 [Game Pad] */
	0xA1, 0x01,          /* MCollection Application (mouse, keyboard) */

	 /* Use collection 1 for joypad buttons */
	 0xA1, 0x02,         /* MCollection Logical (interrelated data) */

	  /* Ignore the 1st byte, maybe it is used for a controller
	   * number but it's not needed for correct operation */
	  0x75, 0x08,        /* GReportSize 0x08 [8] */
	  0x95, 0x01,        /* GReportCount 0x01 [1] */
	  0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */

	  /* Bytes from 2nd to 4th are a bitmap for joypad buttons, for these
	   * buttons multiple keypresses are allowed */
	  0x05, 0x09,        /* GUsagePage Button */
	  0x19, 0x01,        /* LUsageMinimum 0x01 [Button 1 (primary/trigger)] */
	  0x29, 0x18,        /* LUsageMaximum 0x18 [Button 24] */
	  0x14,              /* GLogicalMinimum [0] */
	  0x25, 0x01,        /* GLogicalMaximum 0x01 [1] */
	  0x75, 0x01,        /* GReportSize 0x01 [1] */
	  0x95, 0x18,        /* GReportCount 0x18 [24] */
	  0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */

	  0xC0,              /* MEndCollection */

	 /* Use collection 2 for remote control buttons */
	 0xA1, 0x02,         /* MCollection Logical (interrelated data) */

	  /* 5th byte is used for remote control buttons */
	  0x05, 0x09,        /* GUsagePage Button */
	  0x18,              /* LUsageMinimum [No button pressed] */
	  0x29, 0xFE,        /* LUsageMaximum 0xFE [Button 254] */
	  0x14,              /* GLogicalMinimum [0] */
	  0x26, 0xFE, 0x00,  /* GLogicalMaximum 0x00FE [254] */
	  0x75, 0x08,        /* GReportSize 0x08 [8] */
	  0x95, 0x01,        /* GReportCount 0x01 [1] */
	  0x80,              /* MInput  */

	  /* Ignore bytes from 6th to 11th, 6th to 10th are always constant at
	   * 0xff and 11th is for press indication */
	  0x75, 0x08,        /* GReportSize 0x08 [8] */
	  0x95, 0x06,        /* GReportCount 0x06 [6] */
	  0x81, 0x01,        /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */

	  /* 12th byte is for battery strength */
	  0x05, 0x06,        /* GUsagePage Generic Device Controls */
	  0x09, 0x20,        /* LUsage 0x20 [Battery Strength] */
	  0x14,              /* GLogicalMinimum [0] */
	  0x25, 0x05,        /* GLogicalMaximum 0x05 [5] */
	  0x75, 0x08,        /* GReportSize 0x08 [8] */
	  0x95, 0x01,        /* GReportCount 0x01 [1] */
	  0x81, 0x02,        /* MInput 0x02 (Data[0] Var[1] Abs[2]) */

	  0xC0,              /* MEndCollection */

	 0xC0                /* MEndCollection [Game Pad] */
};

static const unsigned int ps3remote_keymap_joypad_buttons[] = {
	[0x01] = KEY_SELECT,
	[0x02] = BTN_THUMBL,		/* L3 */
	[0x03] = BTN_THUMBR,		/* R3 */
	[0x04] = BTN_START,
	[0x05] = KEY_UP,
	[0x06] = KEY_RIGHT,
	[0x07] = KEY_DOWN,
	[0x08] = KEY_LEFT,
	[0x09] = BTN_TL2,		/* L2 */
	[0x0a] = BTN_TR2,		/* R2 */
	[0x0b] = BTN_TL,		/* L1 */
	[0x0c] = BTN_TR,		/* R1 */
	[0x0d] = KEY_OPTION,		/* options/triangle */
	[0x0e] = KEY_BACK,		/* back/circle */
	[0x0f] = BTN_0,			/* cross */
	[0x10] = KEY_SCREEN,		/* view/square */
	[0x11] = KEY_HOMEPAGE,		/* PS button */
	[0x14] = KEY_ENTER,
};
static const unsigned int ps3remote_keymap_remote_buttons[] = {
	[0x00] = KEY_1,
	[0x01] = KEY_2,
	[0x02] = KEY_3,
	[0x03] = KEY_4,
	[0x04] = KEY_5,
	[0x05] = KEY_6,
	[0x06] = KEY_7,
	[0x07] = KEY_8,
	[0x08] = KEY_9,
	[0x09] = KEY_0,
	[0x0e] = KEY_ESC,		/* return */
	[0x0f] = KEY_CLEAR,
	[0x16] = KEY_EJECTCD,
	[0x1a] = KEY_MENU,		/* top menu */
	[0x28] = KEY_TIME,
	[0x30] = KEY_PREVIOUS,
	[0x31] = KEY_NEXT,
	[0x32] = KEY_PLAY,
	[0x33] = KEY_REWIND,		/* scan back */
	[0x34] = KEY_FORWARD,		/* scan forward */
	[0x38] = KEY_STOP,
	[0x39] = KEY_PAUSE,
	[0x40] = KEY_CONTEXT_MENU,	/* pop up/menu */
	[0x60] = KEY_FRAMEBACK,		/* slow/step back */
	[0x61] = KEY_FRAMEFORWARD,	/* slow/step forward */
	[0x63] = KEY_SUBTITLE,
	[0x64] = KEY_AUDIO,
	[0x65] = KEY_ANGLE,
	[0x70] = KEY_INFO,		/* display */
	[0x80] = KEY_BLUE,
	[0x81] = KEY_RED,
	[0x82] = KEY_GREEN,
	[0x83] = KEY_YELLOW,
};

static const unsigned int buzz_keymap[] = {
	/*
	 * The controller has 4 remote buzzers, each with one LED and 5
	 * buttons.
	 * 
	 * We use the mapping chosen by the controller, which is:
	 *
	 * Key          Offset
	 * -------------------
	 * Buzz              1
	 * Blue              5
	 * Orange            4
	 * Green             3
	 * Yellow            2
	 *
	 * So, for example, the orange button on the third buzzer is mapped to
	 * BTN_TRIGGER_HAPPY14
	 */
	[ 1] = BTN_TRIGGER_HAPPY1,
	[ 2] = BTN_TRIGGER_HAPPY2,
	[ 3] = BTN_TRIGGER_HAPPY3,
	[ 4] = BTN_TRIGGER_HAPPY4,
	[ 5] = BTN_TRIGGER_HAPPY5,
	[ 6] = BTN_TRIGGER_HAPPY6,
	[ 7] = BTN_TRIGGER_HAPPY7,
	[ 8] = BTN_TRIGGER_HAPPY8,
	[ 9] = BTN_TRIGGER_HAPPY9,
	[10] = BTN_TRIGGER_HAPPY10,
	[11] = BTN_TRIGGER_HAPPY11,
	[12] = BTN_TRIGGER_HAPPY12,
	[13] = BTN_TRIGGER_HAPPY13,
	[14] = BTN_TRIGGER_HAPPY14,
	[15] = BTN_TRIGGER_HAPPY15,
	[16] = BTN_TRIGGER_HAPPY16,
	[17] = BTN_TRIGGER_HAPPY17,
	[18] = BTN_TRIGGER_HAPPY18,
	[19] = BTN_TRIGGER_HAPPY19,
	[20] = BTN_TRIGGER_HAPPY20,
};

static enum power_supply_property sony_battery_props[] = {
	POWER_SUPPLY_PROP_PRESENT,
	POWER_SUPPLY_PROP_CAPACITY,
	POWER_SUPPLY_PROP_SCOPE,
	POWER_SUPPLY_PROP_STATUS,
};

static spinlock_t sony_dev_list_lock;
static LIST_HEAD(sony_device_list);

struct sony_sc {
	spinlock_t lock;
	struct list_head list_node;
	struct hid_device *hdev;
	struct led_classdev *leds[MAX_LEDS];
	unsigned long quirks;
	struct work_struct state_worker;
	struct power_supply battery;

#ifdef CONFIG_SONY_FF
	__u8 left;
	__u8 right;
#endif

	__u8 mac_address[6];
	__u8 worker_initialized;
	__u8 cable_state;
	__u8 battery_charging;
	__u8 battery_capacity;
	__u8 led_state[MAX_LEDS];
	__u8 led_count;
};

static __u8 *ps3remote_fixup(struct hid_device *hdev, __u8 *rdesc,
			     unsigned int *rsize)
{
	*rsize = sizeof(ps3remote_rdesc);
	return ps3remote_rdesc;
}

static int ps3remote_mapping(struct hid_device *hdev, struct hid_input *hi,
			     struct hid_field *field, struct hid_usage *usage,
			     unsigned long **bit, int *max)
{
	unsigned int key = usage->hid & HID_USAGE;

	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
		return -1;

	switch (usage->collection_index) {
	case 1:
		if (key >= ARRAY_SIZE(ps3remote_keymap_joypad_buttons))
			return -1;

		key = ps3remote_keymap_joypad_buttons[key];
		if (!key)
			return -1;
		break;
	case 2:
		if (key >= ARRAY_SIZE(ps3remote_keymap_remote_buttons))
			return -1;

		key = ps3remote_keymap_remote_buttons[key];
		if (!key)
			return -1;
		break;
	default:
		return -1;
	}

	hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
	return 1;
}


/* Sony Vaio VGX has wrongly mouse pointer declared as constant */
static __u8 *sony_report_fixup(struct hid_device *hdev, __u8 *rdesc,
		unsigned int *rsize)
{
	struct sony_sc *sc = hid_get_drvdata(hdev);

	/*
	 * Some Sony RF receivers wrongly declare the mouse pointer as a
	 * a constant non-data variable.
	 */
	if ((sc->quirks & VAIO_RDESC_CONSTANT) && *rsize >= 56 &&
	    /* usage page: generic desktop controls */
	    /* rdesc[0] == 0x05 && rdesc[1] == 0x01 && */
	    /* usage: mouse */
	    rdesc[2] == 0x09 && rdesc[3] == 0x02 &&
	    /* input (usage page for x,y axes): constant, variable, relative */
	    rdesc[54] == 0x81 && rdesc[55] == 0x07) {
		hid_info(hdev, "Fixing up Sony RF Receiver report descriptor\n");
		/* input: data, variable, relative */
		rdesc[55] = 0x06;
	}

	/*
	 * The default Dualshock 4 USB descriptor doesn't assign
	 * the gyroscope values to corresponding axes so we need a
	 * modified one.
	 */
	if ((sc->quirks & DUALSHOCK4_CONTROLLER_USB) && *rsize == 467) {
		hid_info(hdev, "Using modified Dualshock 4 report descriptor with gyroscope axes\n");
		rdesc = dualshock4_usb_rdesc;
		*rsize = sizeof(dualshock4_usb_rdesc);
	} else if ((sc->quirks & DUALSHOCK4_CONTROLLER_BT) && *rsize == 357) {
		hid_info(hdev, "Using modified Dualshock 4 Bluetooth report descriptor\n");
		rdesc = dualshock4_bt_rdesc;
		*rsize = sizeof(dualshock4_bt_rdesc);
	}

	/* The HID descriptor exposed over BT has a trailing zero byte */
	if ((((sc->quirks & SIXAXIS_CONTROLLER_USB) && *rsize == 148) ||
			((sc->quirks & SIXAXIS_CONTROLLER_BT) && *rsize == 149)) &&
			rdesc[83] == 0x75) {
		hid_info(hdev, "Fixing up Sony Sixaxis report descriptor\n");
		memcpy((void *)&rdesc[83], (void *)&sixaxis_rdesc_fixup,
			sizeof(sixaxis_rdesc_fixup));
	} else if (sc->quirks & SIXAXIS_CONTROLLER_USB &&
		   *rsize > sizeof(sixaxis_rdesc_fixup2)) {
		hid_info(hdev, "Sony Sixaxis clone detected. Using original report descriptor (size: %d clone; %d new)\n",
			 *rsize, (int)sizeof(sixaxis_rdesc_fixup2));
		*rsize = sizeof(sixaxis_rdesc_fixup2);
		memcpy(rdesc, &sixaxis_rdesc_fixup2, *rsize);
	}

	if (sc->quirks & PS3REMOTE)
		return ps3remote_fixup(hdev, rdesc, rsize);

	return rdesc;
}

static void sixaxis_parse_report(struct sony_sc *sc, __u8 *rd, int size)
{
	static const __u8 sixaxis_battery_capacity[] = { 0, 1, 25, 50, 75, 100 };
	unsigned long flags;
	__u8 cable_state, battery_capacity, battery_charging;

	/*
	 * The sixaxis is charging if the battery value is 0xee
	 * and it is fully charged if the value is 0xef.
	 * It does not report the actual level while charging so it
	 * is set to 100% while charging is in progress.
	 */
	if (rd[30] >= 0xee) {
		battery_capacity = 100;
		battery_charging = !(rd[30] & 0x01);
	} else {
		__u8 index = rd[30] <= 5 ? rd[30] : 5;
		battery_capacity = sixaxis_battery_capacity[index];
		battery_charging = 0;
	}
	cable_state = !(rd[31] & 0x04);

	spin_lock_irqsave(&sc->lock, flags);
	sc->cable_state = cable_state;
	sc->battery_capacity = battery_capacity;
	sc->battery_charging = battery_charging;
	spin_unlock_irqrestore(&sc->lock, flags);
}

static void dualshock4_parse_report(struct sony_sc *sc, __u8 *rd, int size)
{
	struct hid_input *hidinput = list_entry(sc->hdev->inputs.next,
						struct hid_input, list);
	struct input_dev *input_dev = hidinput->input;
	unsigned long flags;
	int n, offset;
	__u8 cable_state, battery_capacity, battery_charging;

	/*
	 * Battery and touchpad data starts at byte 30 in the USB report and
	 * 32 in Bluetooth report.
	 */
	offset = (sc->quirks & DUALSHOCK4_CONTROLLER_USB) ? 30 : 32;

	/*
	 * The lower 4 bits of byte 30 contain the battery level
	 * and the 5th bit contains the USB cable state.
	 */
	cable_state = (rd[offset] >> 4) & 0x01;
	battery_capacity = rd[offset] & 0x0F;

	/*
	 * When a USB power source is connected the battery level ranges from
	 * 0 to 10, and when running on battery power it ranges from 0 to 9.
	 * A battery level above 10 when plugged in means charge completed.
	 */
	if (!cable_state || battery_capacity > 10)
		battery_charging = 0;
	else
		battery_charging = 1;

	if (!cable_state)
		battery_capacity++;
	if (battery_capacity > 10)
		battery_capacity = 10;

	battery_capacity *= 10;

	spin_lock_irqsave(&sc->lock, flags);
	sc->cable_state = cable_state;
	sc->battery_capacity = battery_capacity;
	sc->battery_charging = battery_charging;
	spin_unlock_irqrestore(&sc->lock, flags);

	offset += 5;

	/*
	 * The Dualshock 4 multi-touch trackpad data starts at offset 35 on USB
	 * and 37 on Bluetooth.
	 * The first 7 bits of the first byte is a counter and bit 8 is a touch
	 * indicator that is 0 when pressed and 1 when not pressed.
	 * The next 3 bytes are two 12 bit touch coordinates, X and Y.
	 * The data for the second touch is in the same format and immediatly
	 * follows the data for the first.
	 */
	for (n = 0; n < 2; n++) {
		__u16 x, y;

		x = rd[offset+1] | ((rd[offset+2] & 0xF) << 8);
		y = ((rd[offset+2] & 0xF0) >> 4) | (rd[offset+3] << 4);

		input_mt_slot(input_dev, n);
		input_mt_report_slot_state(input_dev, MT_TOOL_FINGER,
					!(rd[offset] >> 7));
		input_report_abs(input_dev, ABS_MT_POSITION_X, x);
		input_report_abs(input_dev, ABS_MT_POSITION_Y, y);

		offset += 4;
	}
}

static int sony_raw_event(struct hid_device *hdev, struct hid_report *report,
		__u8 *rd, int size)
{
	struct sony_sc *sc = hid_get_drvdata(hdev);

	/*
	 * Sixaxis HID report has acclerometers/gyro with MSByte first, this
	 * has to be BYTE_SWAPPED before passing up to joystick interface
	 */
	if ((sc->quirks & SIXAXIS_CONTROLLER) && rd[0] == 0x01 && size == 49) {
		swap(rd[41], rd[42]);
		swap(rd[43], rd[44]);
		swap(rd[45], rd[46]);
		swap(rd[47], rd[48]);

		sixaxis_parse_report(sc, rd, size);
	} else if (((sc->quirks & DUALSHOCK4_CONTROLLER_USB) && rd[0] == 0x01 &&
			size == 64) || ((sc->quirks & DUALSHOCK4_CONTROLLER_BT)
			&& rd[0] == 0x11 && size == 78)) {
		dualshock4_parse_report(sc, rd, size);
	}

	return 0;
}

static int sony_mapping(struct hid_device *hdev, struct hid_input *hi,
			struct hid_field *field, struct hid_usage *usage,
			unsigned long **bit, int *max)
{
	struct sony_sc *sc = hid_get_drvdata(hdev);

	if (sc->quirks & BUZZ_CONTROLLER) {
		unsigned int key = usage->hid & HID_USAGE;

		if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON)
			return -1;

		switch (usage->collection_index) {
		case 1:
			if (key >= ARRAY_SIZE(buzz_keymap))
				return -1;

			key = buzz_keymap[key];
			if (!key)
				return -1;
			break;
		default:
			return -1;
		}

		hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key);
		return 1;
	}

	if (sc->quirks & PS3REMOTE)
		return ps3remote_mapping(hdev, hi, field, usage, bit, max);

	/* Let hid-core decide for the others */
	return 0;
}

/*
 * Sending HID_REQ_GET_REPORT changes the operation mode of the ps3 controller
 * to "operational".  Without this, the ps3 controller will not report any
 * events.
 */
static int sixaxis_set_operational_usb(struct hid_device *hdev)
{
	int ret;
	char *buf = kmalloc(18, GFP_KERNEL);

	if (!buf)
		return -ENOMEM;

	ret = hid_hw_raw_request(hdev, 0xf2, buf, 17, HID_FEATURE_REPORT,
				 HID_REQ_GET_REPORT);

	if (ret < 0)
		hid_err(hdev, "can't set operational mode\n");

	kfree(buf);

	return ret;
}

static int sixaxis_set_operational_bt(struct hid_device *hdev)
{
	unsigned char buf[] = { 0xf4,  0x42, 0x03, 0x00, 0x00 };
	return hid_hw_raw_request(hdev, buf[0], buf, sizeof(buf),
				  HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
}

/*
 * Requesting feature report 0x02 in Bluetooth mode changes the state of the
 * controller so that it sends full input reports of type 0x11.
 */
static int dualshock4_set_operational_bt(struct hid_device *hdev)
{
	__u8 buf[37] = { 0 };

	return hid_hw_raw_request(hdev, 0x02, buf, sizeof(buf),
				HID_FEATURE_REPORT, HID_REQ_GET_REPORT);
}

static void buzz_set_leds(struct hid_device *hdev, const __u8 *leds)
{
	struct list_head *report_list =
		&hdev->report_enum[HID_OUTPUT_REPORT].report_list;
	struct hid_report *report = list_entry(report_list->next,
		struct hid_report, list);
	__s32 *value = report->field[0]->value;

	value[0] = 0x00;
	value[1] = leds[0] ? 0xff : 0x00;
	value[2] = leds[1] ? 0xff : 0x00;
	value[3] = leds[2] ? 0xff : 0x00;
	value[4] = leds[3] ? 0xff : 0x00;
	value[5] = 0x00;
	value[6] = 0x00;
	hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
}

static void sony_set_leds(struct hid_device *hdev, const __u8 *leds, int count)
{
	struct sony_sc *drv_data = hid_get_drvdata(hdev);
	int n;

	BUG_ON(count > MAX_LEDS);

	if (drv_data->quirks & BUZZ_CONTROLLER && count == 4) {
		buzz_set_leds(hdev, leds);
	} else {
		for (n = 0; n < count; n++)
			drv_data->led_state[n] = leds[n];
		schedule_work(&drv_data->state_worker);
	}
}

static void sony_led_set_brightness(struct led_classdev *led,
				    enum led_brightness value)
{
	struct device *dev = led->dev->parent;
	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
	struct sony_sc *drv_data;

	int n;

	drv_data = hid_get_drvdata(hdev);
	if (!drv_data) {
		hid_err(hdev, "No device data\n");
		return;
	}

	for (n = 0; n < drv_data->led_count; n++) {
		if (led == drv_data->leds[n]) {
			if (value != drv_data->led_state[n]) {
				drv_data->led_state[n] = value;
				sony_set_leds(hdev, drv_data->led_state, drv_data->led_count);
			}
			break;
		}
	}
}

static enum led_brightness sony_led_get_brightness(struct led_classdev *led)
{
	struct device *dev = led->dev->parent;
	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
	struct sony_sc *drv_data;

	int n;

	drv_data = hid_get_drvdata(hdev);
	if (!drv_data) {
		hid_err(hdev, "No device data\n");
		return LED_OFF;
	}

	for (n = 0; n < drv_data->led_count; n++) {
		if (led == drv_data->leds[n])
			return drv_data->led_state[n];
	}

	return LED_OFF;
}

static void sony_leds_remove(struct hid_device *hdev)
{
	struct sony_sc *drv_data;
	struct led_classdev *led;
	int n;

	drv_data = hid_get_drvdata(hdev);
	BUG_ON(!(drv_data->quirks & SONY_LED_SUPPORT));

	for (n = 0; n < drv_data->led_count; n++) {
		led = drv_data->leds[n];
		drv_data->leds[n] = NULL;
		if (!led)
			continue;
		led_classdev_unregister(led);
		kfree(led);
	}

	drv_data->led_count = 0;
}

static int sony_leds_init(struct hid_device *hdev)
{
	struct sony_sc *drv_data;
	int n, ret = 0;
	int max_brightness;
	int use_colors;
	struct led_classdev *led;
	size_t name_sz;
	char *name;
	size_t name_len;
	const char *name_fmt;
	static const char * const color_str[] = { "red", "green", "blue" };
	static const __u8 initial_values[MAX_LEDS] = { 0x00, 0x00, 0x00, 0x00 };

	drv_data = hid_get_drvdata(hdev);
	BUG_ON(!(drv_data->quirks & SONY_LED_SUPPORT));

	if (drv_data->quirks & BUZZ_CONTROLLER) {
		drv_data->led_count = 4;
		max_brightness = 1;
		use_colors = 0;
		name_len = strlen("::buzz#");
		name_fmt = "%s::buzz%d";
		/* Validate expected report characteristics. */
		if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 0, 0, 7))
			return -ENODEV;
	} else if (drv_data->quirks & DUALSHOCK4_CONTROLLER) {
		drv_data->led_count = 3;
		max_brightness = 255;
		use_colors = 1;
		name_len = 0;
		name_fmt = "%s:%s";
	} else {
		drv_data->led_count = 4;
		max_brightness = 1;
		use_colors = 0;
		name_len = strlen("::sony#");
		name_fmt = "%s::sony%d";
	}

	/*
	 * Clear LEDs as we have no way of reading their initial state. This is
	 * only relevant if the driver is loaded after somebody actively set the
	 * LEDs to on
	 */
	sony_set_leds(hdev, initial_values, drv_data->led_count);

	name_sz = strlen(dev_name(&hdev->dev)) + name_len + 1;

	for (n = 0; n < drv_data->led_count; n++) {

		if (use_colors)
			name_sz = strlen(dev_name(&hdev->dev)) + strlen(color_str[n]) + 2;

		led = kzalloc(sizeof(struct led_classdev) + name_sz, GFP_KERNEL);
		if (!led) {
			hid_err(hdev, "Couldn't allocate memory for LED %d\n", n);
			ret = -ENOMEM;
			goto error_leds;
		}

		name = (void *)(&led[1]);
		if (use_colors)
			snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev), color_str[n]);
		else
			snprintf(name, name_sz, name_fmt, dev_name(&hdev->dev), n + 1);
		led->name = name;
		led->brightness = 0;
		led->max_brightness = max_brightness;
		led->brightness_get = sony_led_get_brightness;
		led->brightness_set = sony_led_set_brightness;

		ret = led_classdev_register(&hdev->dev, led);
		if (ret) {
			hid_err(hdev, "Failed to register LED %d\n", n);
			kfree(led);
			goto error_leds;
		}

		drv_data->leds[n] = led;
	}

	return ret;

error_leds:
	sony_leds_remove(hdev);

	return ret;
}

static void sixaxis_state_worker(struct work_struct *work)
{
	struct sony_sc *sc = container_of(work, struct sony_sc, state_worker);
	unsigned char buf[] = {
		0x01,
		0x00, 0xff, 0x00, 0xff, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00,
		0xff, 0x27, 0x10, 0x00, 0x32,
		0xff, 0x27, 0x10, 0x00, 0x32,
		0xff, 0x27, 0x10, 0x00, 0x32,
		0xff, 0x27, 0x10, 0x00, 0x32,
		0x00, 0x00, 0x00, 0x00, 0x00
	};

#ifdef CONFIG_SONY_FF
	buf[3] = sc->right ? 1 : 0;
	buf[5] = sc->left;
#endif

	buf[10] |= sc->led_state[0] << 1;
	buf[10] |= sc->led_state[1] << 2;
	buf[10] |= sc->led_state[2] << 3;
	buf[10] |= sc->led_state[3] << 4;

	hid_hw_raw_request(sc->hdev, 0x01, buf, sizeof(buf), HID_OUTPUT_REPORT,
			HID_REQ_SET_REPORT);
}

static void dualshock4_state_worker(struct work_struct *work)
{
	struct sony_sc *sc = container_of(work, struct sony_sc, state_worker);
	struct hid_device *hdev = sc->hdev;
	int offset;

	__u8 buf[78] = { 0 };

	if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) {
		buf[0] = 0x05;
		buf[1] = 0x03;
		offset = 4;
	} else {
		buf[0] = 0x11;
		buf[1] = 0xB0;
		buf[3] = 0x0F;
		offset = 6;
	}

#ifdef CONFIG_SONY_FF
	buf[offset++] = sc->right;
	buf[offset++] = sc->left;
#else
	offset += 2;
#endif

	buf[offset++] = sc->led_state[0];
	buf[offset++] = sc->led_state[1];
	buf[offset++] = sc->led_state[2];

	if (sc->quirks & DUALSHOCK4_CONTROLLER_USB)
		hid_hw_output_report(hdev, buf, 32);
	else
		hid_hw_raw_request(hdev, 0x11, buf, 78,
				HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
}

#ifdef CONFIG_SONY_FF
static int sony_play_effect(struct input_dev *dev, void *data,
			    struct ff_effect *effect)
{
	struct hid_device *hid = input_get_drvdata(dev);
	struct sony_sc *sc = hid_get_drvdata(hid);

	if (effect->type != FF_RUMBLE)
		return 0;

	sc->left = effect->u.rumble.strong_magnitude / 256;
	sc->right = effect->u.rumble.weak_magnitude / 256;

	schedule_work(&sc->state_worker);
	return 0;
}

static int sony_init_ff(struct hid_device *hdev)
{
	struct hid_input *hidinput = list_entry(hdev->inputs.next,
						struct hid_input, list);
	struct input_dev *input_dev = hidinput->input;

	input_set_capability(input_dev, EV_FF, FF_RUMBLE);
	return input_ff_create_memless(input_dev, NULL, sony_play_effect);
}

#else
static int sony_init_ff(struct hid_device *hdev)
{
	return 0;
}

#endif

static int sony_battery_get_property(struct power_supply *psy,
				     enum power_supply_property psp,
				     union power_supply_propval *val)
{
	struct sony_sc *sc = container_of(psy, struct sony_sc, battery);
	unsigned long flags;
	int ret = 0;
	u8 battery_charging, battery_capacity, cable_state;

	spin_lock_irqsave(&sc->lock, flags);
	battery_charging = sc->battery_charging;
	battery_capacity = sc->battery_capacity;
	cable_state = sc->cable_state;
	spin_unlock_irqrestore(&sc->lock, flags);

	switch (psp) {
	case POWER_SUPPLY_PROP_PRESENT:
		val->intval = 1;
		break;
	case POWER_SUPPLY_PROP_SCOPE:
		val->intval = POWER_SUPPLY_SCOPE_DEVICE;
		break;
	case POWER_SUPPLY_PROP_CAPACITY:
		val->intval = battery_capacity;
		break;
	case POWER_SUPPLY_PROP_STATUS:
		if (battery_charging)
			val->intval = POWER_SUPPLY_STATUS_CHARGING;
		else
			if (battery_capacity == 100 && cable_state)
				val->intval = POWER_SUPPLY_STATUS_FULL;
			else
				val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
		break;
	default:
		ret = -EINVAL;
		break;
	}
	return ret;
}

static int sony_battery_probe(struct sony_sc *sc)
{
	static atomic_t power_id_seq = ATOMIC_INIT(0);
	unsigned long power_id;
	struct hid_device *hdev = sc->hdev;
	int ret;

	/*
	 * Set the default battery level to 100% to avoid low battery warnings
	 * if the battery is polled before the first device report is received.
	 */
	sc->battery_capacity = 100;

	power_id = (unsigned long)atomic_inc_return(&power_id_seq);

	sc->battery.properties = sony_battery_props;
	sc->battery.num_properties = ARRAY_SIZE(sony_battery_props);
	sc->battery.get_property = sony_battery_get_property;
	sc->battery.type = POWER_SUPPLY_TYPE_BATTERY;
	sc->battery.use_for_apm = 0;
	sc->battery.name = kasprintf(GFP_KERNEL, "sony_controller_battery_%lu",
				     power_id);
	if (!sc->battery.name)
		return -ENOMEM;

	ret = power_supply_register(&hdev->dev, &sc->battery);
	if (ret) {
		hid_err(hdev, "Unable to register battery device\n");
		goto err_free;
	}

	power_supply_powers(&sc->battery, &hdev->dev);
	return 0;

err_free:
	kfree(sc->battery.name);
	sc->battery.name = NULL;
	return ret;
}

static void sony_battery_remove(struct sony_sc *sc)
{
	if (!sc->battery.name)
		return;

	power_supply_unregister(&sc->battery);
	kfree(sc->battery.name);
	sc->battery.name = NULL;
}

static int sony_register_touchpad(struct sony_sc *sc, int touch_count,
					int w, int h)
{
	struct hid_input *hidinput = list_entry(sc->hdev->inputs.next,
						struct hid_input, list);
	struct input_dev *input_dev = hidinput->input;
	int ret;

	ret = input_mt_init_slots(input_dev, touch_count, 0);
	if (ret < 0) {
		hid_err(sc->hdev, "Unable to initialize multi-touch slots\n");
		return ret;
	}

	input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, w, 0, 0);
	input_set_abs_params(input_dev, ABS_MT_POSITION_Y, 0, h, 0, 0);

	return 0;
}

/*
 * If a controller is plugged in via USB while already connected via Bluetooth
 * it will show up as two devices. A global list of connected controllers and
 * their MAC addresses is maintained to ensure that a device is only connected
 * once.
 */
static int sony_check_add_dev_list(struct sony_sc *sc)
{
	struct sony_sc *entry;
	unsigned long flags;
	int ret;

	spin_lock_irqsave(&sony_dev_list_lock, flags);

	list_for_each_entry(entry, &sony_device_list, list_node) {
		ret = memcmp(sc->mac_address, entry->mac_address,
				sizeof(sc->mac_address));
		if (!ret) {
			ret = -EEXIST;
			hid_info(sc->hdev, "controller with MAC address %pMR already connected\n",
				sc->mac_address);
			goto unlock;
		}
	}

	ret = 0;
	list_add(&(sc->list_node), &sony_device_list);

unlock:
	spin_unlock_irqrestore(&sony_dev_list_lock, flags);
	return ret;
}

static void sony_remove_dev_list(struct sony_sc *sc)
{
	unsigned long flags;

	if (sc->list_node.next) {
		spin_lock_irqsave(&sony_dev_list_lock, flags);
		list_del(&(sc->list_node));
		spin_unlock_irqrestore(&sony_dev_list_lock, flags);
	}
}

static int sony_get_bt_devaddr(struct sony_sc *sc)
{
	int ret;

	/* HIDP stores the device MAC address as a string in the uniq field. */
	ret = strlen(sc->hdev->uniq);
	if (ret != 17)
		return -EINVAL;

	ret = sscanf(sc->hdev->uniq,
		"%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
		&sc->mac_address[5], &sc->mac_address[4], &sc->mac_address[3],
		&sc->mac_address[2], &sc->mac_address[1], &sc->mac_address[0]);

	if (ret != 6)
		return -EINVAL;

	return 0;
}

static int sony_check_add(struct sony_sc *sc)
{
	int n, ret;

	if ((sc->quirks & DUALSHOCK4_CONTROLLER_BT) ||
	    (sc->quirks & SIXAXIS_CONTROLLER_BT)) {
		/*
		 * sony_get_bt_devaddr() attempts to parse the Bluetooth MAC
		 * address from the uniq string where HIDP stores it.
		 * As uniq cannot be guaranteed to be a MAC address in all cases
		 * a failure of this function should not prevent the connection.
		 */
		if (sony_get_bt_devaddr(sc) < 0) {
			hid_warn(sc->hdev, "UNIQ does not contain a MAC address; duplicate check skipped\n");
			return 0;
		}
	} else if (sc->quirks & DUALSHOCK4_CONTROLLER_USB) {
		__u8 buf[7];

		/*
		 * The MAC address of a DS4 controller connected via USB can be
		 * retrieved with feature report 0x81. The address begins at
		 * offset 1.
		 */
		ret = hid_hw_raw_request(sc->hdev, 0x81, buf, sizeof(buf),
				HID_FEATURE_REPORT, HID_REQ_GET_REPORT);

		if (ret != 7) {
			hid_err(sc->hdev, "failed to retrieve feature report 0x81 with the DualShock 4 MAC address\n");
			return ret < 0 ? ret : -EINVAL;
		}

		memcpy(sc->mac_address, &buf[1], sizeof(sc->mac_address));
	} else if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
		__u8 buf[18];

		/*
		 * The MAC address of a Sixaxis controller connected via USB can
		 * be retrieved with feature report 0xf2. The address begins at
		 * offset 4.
		 */
		ret = hid_hw_raw_request(sc->hdev, 0xf2, buf, sizeof(buf),
				HID_FEATURE_REPORT, HID_REQ_GET_REPORT);

		if (ret != 18) {
			hid_err(sc->hdev, "failed to retrieve feature report 0xf2 with the Sixaxis MAC address\n");
			return ret < 0 ? ret : -EINVAL;
		}

		/*
		 * The Sixaxis device MAC in the report is big-endian and must
		 * be byte-swapped.
		 */
		for (n = 0; n < 6; n++)
			sc->mac_address[5-n] = buf[4+n];
	} else {
		return 0;
	}

	return sony_check_add_dev_list(sc);
}


static int sony_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
	int ret;
	unsigned long quirks = id->driver_data;
	struct sony_sc *sc;
	unsigned int connect_mask = HID_CONNECT_DEFAULT;

	sc = devm_kzalloc(&hdev->dev, sizeof(*sc), GFP_KERNEL);
	if (sc == NULL) {
		hid_err(hdev, "can't alloc sony descriptor\n");
		return -ENOMEM;
	}

	sc->quirks = quirks;
	hid_set_drvdata(hdev, sc);
	sc->hdev = hdev;

	ret = hid_parse(hdev);
	if (ret) {
		hid_err(hdev, "parse failed\n");
		return ret;
	}

	if (sc->quirks & VAIO_RDESC_CONSTANT)
		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
	else if (sc->quirks & SIXAXIS_CONTROLLER_USB)
		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
	else if (sc->quirks & SIXAXIS_CONTROLLER_BT)
		connect_mask |= HID_CONNECT_HIDDEV_FORCE;

	ret = hid_hw_start(hdev, connect_mask);
	if (ret) {
		hid_err(hdev, "hw start failed\n");
		return ret;
	}

	if (sc->quirks & SIXAXIS_CONTROLLER_USB) {
		/*
		 * The Sony Sixaxis does not handle HID Output Reports on the
		 * Interrupt EP like it could, so we need to force HID Output
		 * Reports to use HID_REQ_SET_REPORT on the Control EP.
		 *
		 * There is also another issue about HID Output Reports via USB,
		 * the Sixaxis does not want the report_id as part of the data
		 * packet, so we have to discard buf[0] when sending the actual
		 * control message, even for numbered reports, humpf!
		 */
		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
		hdev->quirks |= HID_QUIRK_SKIP_OUTPUT_REPORT_ID;
		ret = sixaxis_set_operational_usb(hdev);
		sc->worker_initialized = 1;
		INIT_WORK(&sc->state_worker, sixaxis_state_worker);
	} else if (sc->quirks & SIXAXIS_CONTROLLER_BT) {
		/*
		 * The Sixaxis wants output reports sent on the ctrl endpoint
		 * when connected via Bluetooth.
		 */
		hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
		ret = sixaxis_set_operational_bt(hdev);
		sc->worker_initialized = 1;
		INIT_WORK(&sc->state_worker, sixaxis_state_worker);
	} else if (sc->quirks & DUALSHOCK4_CONTROLLER) {
		if (sc->quirks & DUALSHOCK4_CONTROLLER_BT) {
			/*
			 * The DualShock 4 wants output reports sent on the ctrl
			 * endpoint when connected via Bluetooth.
			 */
			hdev->quirks |= HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP;
			ret = dualshock4_set_operational_bt(hdev);
			if (ret < 0) {
				hid_err(hdev, "failed to set the Dualshock 4 operational mode\n");
				goto err_stop;
			}
		}
		/*
		 * The Dualshock 4 touchpad supports 2 touches and has a
		 * resolution of 1920x940.
		 */
		ret = sony_register_touchpad(sc, 2, 1920, 940);
		if (ret < 0)
			goto err_stop;

		sc->worker_initialized = 1;
		INIT_WORK(&sc->state_worker, dualshock4_state_worker);
	} else {
		ret = 0;
	}

	if (ret < 0)
		goto err_stop;

	ret = sony_check_add(sc);
	if (ret < 0)
		goto err_stop;

	if (sc->quirks & SONY_LED_SUPPORT) {
		ret = sony_leds_init(hdev);
		if (ret < 0)
			goto err_stop;
	}

	if (sc->quirks & SONY_BATTERY_SUPPORT) {
		ret = sony_battery_probe(sc);
		if (ret < 0)
			goto err_stop;

		/* Open the device to receive reports with battery info */
		ret = hid_hw_open(hdev);
		if (ret < 0) {
			hid_err(hdev, "hw open failed\n");
			goto err_stop;
		}
	}

	if (sc->quirks & SONY_FF_SUPPORT) {
		ret = sony_init_ff(hdev);
		if (ret < 0)
			goto err_close;
	}

	return 0;
err_close:
	hid_hw_close(hdev);
err_stop:
	if (sc->quirks & SONY_LED_SUPPORT)
		sony_leds_remove(hdev);
	if (sc->quirks & SONY_BATTERY_SUPPORT)
		sony_battery_remove(sc);
	if (sc->worker_initialized)
		cancel_work_sync(&sc->state_worker);
	sony_remove_dev_list(sc);
	hid_hw_stop(hdev);
	return ret;
}

static void sony_remove(struct hid_device *hdev)
{
	struct sony_sc *sc = hid_get_drvdata(hdev);

	if (sc->quirks & SONY_LED_SUPPORT)
		sony_leds_remove(hdev);

	if (sc->worker_initialized)
		cancel_work_sync(&sc->state_worker);
	if (sc->quirks & SONY_BATTERY_SUPPORT) {
		hid_hw_close(hdev);
		sony_battery_remove(sc);
	}

	if (sc->worker_initialized)
		cancel_work_sync(&sc->state_worker);

	sony_remove_dev_list(sc);

	hid_hw_stop(hdev);
}

static const struct hid_device_id sony_devices[] = {
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
		.driver_data = SIXAXIS_CONTROLLER_USB },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER),
		.driver_data = SIXAXIS_CONTROLLER_USB },
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER),
		.driver_data = SIXAXIS_CONTROLLER_BT },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE),
		.driver_data = VAIO_RDESC_CONSTANT },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE),
		.driver_data = VAIO_RDESC_CONSTANT },
	/* Wired Buzz Controller. Reported as Sony Hub from its USB ID and as
	 * Logitech joystick from the device descriptor. */
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER),
		.driver_data = BUZZ_CONTROLLER },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER),
		.driver_data = BUZZ_CONTROLLER },
	/* PS3 BD Remote Control */
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE),
		.driver_data = PS3REMOTE },
	/* Logitech Harmony Adapter for PS3 */
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3),
		.driver_data = PS3REMOTE },
	/* Sony Dualshock 4 controllers for PS4 */
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER),
		.driver_data = DUALSHOCK4_CONTROLLER_USB },
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER),
		.driver_data = DUALSHOCK4_CONTROLLER_BT },
	{ }
};
MODULE_DEVICE_TABLE(hid, sony_devices);

static struct hid_driver sony_driver = {
	.name          = "sony",
	.id_table      = sony_devices,
	.input_mapping = sony_mapping,
	.probe         = sony_probe,
	.remove        = sony_remove,
	.report_fixup  = sony_report_fixup,
	.raw_event     = sony_raw_event
};
module_hid_driver(sony_driver);

MODULE_LICENSE("GPL");