forked from torvalds/linux
-
Notifications
You must be signed in to change notification settings - Fork 17
/
adbhid.c
1276 lines (1110 loc) · 34.3 KB
/
adbhid.c
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
// SPDX-License-Identifier: GPL-2.0
/*
* drivers/macintosh/adbhid.c
*
* ADB HID driver for Power Macintosh computers.
*
* Adapted from drivers/macintosh/mac_keyb.c by Franz Sirl.
* drivers/macintosh/mac_keyb.c was Copyright (C) 1996 Paul Mackerras
* with considerable contributions from Ben Herrenschmidt and others.
*
* Copyright (C) 2000 Franz Sirl.
*
* Adapted to ADB changes and support for more devices by
* Benjamin Herrenschmidt. Adapted from code in MkLinux
* and reworked.
*
* Supported devices:
*
* - Standard 1 button mouse
* - All standard Apple Extended protocol (handler ID 4)
* - mouseman and trackman mice & trackballs
* - PowerBook Trackpad (default setup: enable tapping)
* - MicroSpeed mouse & trackball (needs testing)
* - CH Products Trackball Pro (needs testing)
* - Contour Design (Contour Mouse)
* - Hunter digital (NoHandsMouse)
* - Kensignton TurboMouse 5 (needs testing)
* - Mouse Systems A3 mice and trackballs <[email protected]>
* - MacAlly 2-buttons mouse (needs testing) <[email protected]>
*
* To do:
*
* Improve Kensington support.
* Split mouse/kbd
* Move to syfs
*/
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/notifier.h>
#include <linux/input.h>
#include <linux/adb.h>
#include <linux/cuda.h>
#include <linux/pmu.h>
#include <asm/machdep.h>
#ifdef CONFIG_PPC_PMAC
#include <asm/backlight.h>
#include <asm/pmac_feature.h>
#endif
MODULE_AUTHOR("Franz Sirl <[email protected]>");
static int restore_capslock_events;
module_param(restore_capslock_events, int, 0644);
MODULE_PARM_DESC(restore_capslock_events,
"Produce keypress events for capslock on both keyup and keydown.");
#define KEYB_KEYREG 0 /* register # for key up/down data */
#define KEYB_LEDREG 2 /* register # for leds on ADB keyboard */
#define MOUSE_DATAREG 0 /* reg# for movement/button codes from mouse */
static int adb_message_handler(struct notifier_block *, unsigned long, void *);
static struct notifier_block adbhid_adb_notifier = {
.notifier_call = adb_message_handler,
};
/* Some special keys */
#define ADB_KEY_DEL 0x33
#define ADB_KEY_CMD 0x37
#define ADB_KEY_CAPSLOCK 0x39
#define ADB_KEY_FN 0x3f
#define ADB_KEY_FWDEL 0x75
#define ADB_KEY_POWER_OLD 0x7e
#define ADB_KEY_POWER 0x7f
static const u16 adb_to_linux_keycodes[128] = {
/* 0x00 */ KEY_A, /* 30 */
/* 0x01 */ KEY_S, /* 31 */
/* 0x02 */ KEY_D, /* 32 */
/* 0x03 */ KEY_F, /* 33 */
/* 0x04 */ KEY_H, /* 35 */
/* 0x05 */ KEY_G, /* 34 */
/* 0x06 */ KEY_Z, /* 44 */
/* 0x07 */ KEY_X, /* 45 */
/* 0x08 */ KEY_C, /* 46 */
/* 0x09 */ KEY_V, /* 47 */
/* 0x0a */ KEY_102ND, /* 86 */
/* 0x0b */ KEY_B, /* 48 */
/* 0x0c */ KEY_Q, /* 16 */
/* 0x0d */ KEY_W, /* 17 */
/* 0x0e */ KEY_E, /* 18 */
/* 0x0f */ KEY_R, /* 19 */
/* 0x10 */ KEY_Y, /* 21 */
/* 0x11 */ KEY_T, /* 20 */
/* 0x12 */ KEY_1, /* 2 */
/* 0x13 */ KEY_2, /* 3 */
/* 0x14 */ KEY_3, /* 4 */
/* 0x15 */ KEY_4, /* 5 */
/* 0x16 */ KEY_6, /* 7 */
/* 0x17 */ KEY_5, /* 6 */
/* 0x18 */ KEY_EQUAL, /* 13 */
/* 0x19 */ KEY_9, /* 10 */
/* 0x1a */ KEY_7, /* 8 */
/* 0x1b */ KEY_MINUS, /* 12 */
/* 0x1c */ KEY_8, /* 9 */
/* 0x1d */ KEY_0, /* 11 */
/* 0x1e */ KEY_RIGHTBRACE, /* 27 */
/* 0x1f */ KEY_O, /* 24 */
/* 0x20 */ KEY_U, /* 22 */
/* 0x21 */ KEY_LEFTBRACE, /* 26 */
/* 0x22 */ KEY_I, /* 23 */
/* 0x23 */ KEY_P, /* 25 */
/* 0x24 */ KEY_ENTER, /* 28 */
/* 0x25 */ KEY_L, /* 38 */
/* 0x26 */ KEY_J, /* 36 */
/* 0x27 */ KEY_APOSTROPHE, /* 40 */
/* 0x28 */ KEY_K, /* 37 */
/* 0x29 */ KEY_SEMICOLON, /* 39 */
/* 0x2a */ KEY_BACKSLASH, /* 43 */
/* 0x2b */ KEY_COMMA, /* 51 */
/* 0x2c */ KEY_SLASH, /* 53 */
/* 0x2d */ KEY_N, /* 49 */
/* 0x2e */ KEY_M, /* 50 */
/* 0x2f */ KEY_DOT, /* 52 */
/* 0x30 */ KEY_TAB, /* 15 */
/* 0x31 */ KEY_SPACE, /* 57 */
/* 0x32 */ KEY_GRAVE, /* 41 */
/* 0x33 */ KEY_BACKSPACE, /* 14 */
/* 0x34 */ KEY_KPENTER, /* 96 */
/* 0x35 */ KEY_ESC, /* 1 */
/* 0x36 */ KEY_LEFTCTRL, /* 29 */
/* 0x37 */ KEY_LEFTMETA, /* 125 */
/* 0x38 */ KEY_LEFTSHIFT, /* 42 */
/* 0x39 */ KEY_CAPSLOCK, /* 58 */
/* 0x3a */ KEY_LEFTALT, /* 56 */
/* 0x3b */ KEY_LEFT, /* 105 */
/* 0x3c */ KEY_RIGHT, /* 106 */
/* 0x3d */ KEY_DOWN, /* 108 */
/* 0x3e */ KEY_UP, /* 103 */
/* 0x3f */ KEY_FN, /* 0x1d0 */
/* 0x40 */ 0,
/* 0x41 */ KEY_KPDOT, /* 83 */
/* 0x42 */ 0,
/* 0x43 */ KEY_KPASTERISK, /* 55 */
/* 0x44 */ 0,
/* 0x45 */ KEY_KPPLUS, /* 78 */
/* 0x46 */ 0,
/* 0x47 */ KEY_NUMLOCK, /* 69 */
/* 0x48 */ 0,
/* 0x49 */ 0,
/* 0x4a */ 0,
/* 0x4b */ KEY_KPSLASH, /* 98 */
/* 0x4c */ KEY_KPENTER, /* 96 */
/* 0x4d */ 0,
/* 0x4e */ KEY_KPMINUS, /* 74 */
/* 0x4f */ 0,
/* 0x50 */ 0,
/* 0x51 */ KEY_KPEQUAL, /* 117 */
/* 0x52 */ KEY_KP0, /* 82 */
/* 0x53 */ KEY_KP1, /* 79 */
/* 0x54 */ KEY_KP2, /* 80 */
/* 0x55 */ KEY_KP3, /* 81 */
/* 0x56 */ KEY_KP4, /* 75 */
/* 0x57 */ KEY_KP5, /* 76 */
/* 0x58 */ KEY_KP6, /* 77 */
/* 0x59 */ KEY_KP7, /* 71 */
/* 0x5a */ 0,
/* 0x5b */ KEY_KP8, /* 72 */
/* 0x5c */ KEY_KP9, /* 73 */
/* 0x5d */ KEY_YEN, /* 124 */
/* 0x5e */ KEY_RO, /* 89 */
/* 0x5f */ KEY_KPCOMMA, /* 121 */
/* 0x60 */ KEY_F5, /* 63 */
/* 0x61 */ KEY_F6, /* 64 */
/* 0x62 */ KEY_F7, /* 65 */
/* 0x63 */ KEY_F3, /* 61 */
/* 0x64 */ KEY_F8, /* 66 */
/* 0x65 */ KEY_F9, /* 67 */
/* 0x66 */ KEY_HANJA, /* 123 */
/* 0x67 */ KEY_F11, /* 87 */
/* 0x68 */ KEY_HANGEUL, /* 122 */
/* 0x69 */ KEY_SYSRQ, /* 99 */
/* 0x6a */ 0,
/* 0x6b */ KEY_SCROLLLOCK, /* 70 */
/* 0x6c */ 0,
/* 0x6d */ KEY_F10, /* 68 */
/* 0x6e */ KEY_COMPOSE, /* 127 */
/* 0x6f */ KEY_F12, /* 88 */
/* 0x70 */ 0,
/* 0x71 */ KEY_PAUSE, /* 119 */
/* 0x72 */ KEY_INSERT, /* 110 */
/* 0x73 */ KEY_HOME, /* 102 */
/* 0x74 */ KEY_PAGEUP, /* 104 */
/* 0x75 */ KEY_DELETE, /* 111 */
/* 0x76 */ KEY_F4, /* 62 */
/* 0x77 */ KEY_END, /* 107 */
/* 0x78 */ KEY_F2, /* 60 */
/* 0x79 */ KEY_PAGEDOWN, /* 109 */
/* 0x7a */ KEY_F1, /* 59 */
/* 0x7b */ KEY_RIGHTSHIFT, /* 54 */
/* 0x7c */ KEY_RIGHTALT, /* 100 */
/* 0x7d */ KEY_RIGHTCTRL, /* 97 */
/* 0x7e */ KEY_RIGHTMETA, /* 126 */
/* 0x7f */ KEY_POWER, /* 116 */
};
struct adbhid {
struct input_dev *input;
int id;
int default_id;
int original_handler_id;
int current_handler_id;
int mouse_kind;
u16 *keycode;
char name[64];
char phys[32];
int flags;
};
#define FLAG_FN_KEY_PRESSED 0x00000001
#define FLAG_POWER_FROM_FN 0x00000002
#define FLAG_EMU_FWDEL_DOWN 0x00000004
#define FLAG_CAPSLOCK_TRANSLATE 0x00000008
#define FLAG_CAPSLOCK_DOWN 0x00000010
#define FLAG_CAPSLOCK_IGNORE_NEXT 0x00000020
#define FLAG_POWER_KEY_PRESSED 0x00000040
static struct adbhid *adbhid[16];
static void adbhid_probe(void);
static void adbhid_input_keycode(int, int, int);
static void init_trackpad(int id);
static void init_trackball(int id);
static void init_turbomouse(int id);
static void init_microspeed(int id);
static void init_ms_a3(int id);
static struct adb_ids keyboard_ids;
static struct adb_ids mouse_ids;
static struct adb_ids buttons_ids;
/* Kind of keyboard, see Apple technote 1152 */
#define ADB_KEYBOARD_UNKNOWN 0
#define ADB_KEYBOARD_ANSI 0x0100
#define ADB_KEYBOARD_ISO 0x0200
#define ADB_KEYBOARD_JIS 0x0300
/* Kind of mouse */
#define ADBMOUSE_STANDARD_100 0 /* Standard 100cpi mouse (handler 1) */
#define ADBMOUSE_STANDARD_200 1 /* Standard 200cpi mouse (handler 2) */
#define ADBMOUSE_EXTENDED 2 /* Apple Extended mouse (handler 4) */
#define ADBMOUSE_TRACKBALL 3 /* TrackBall (handler 4) */
#define ADBMOUSE_TRACKPAD 4 /* Apple's PowerBook trackpad (handler 4) */
#define ADBMOUSE_TURBOMOUSE5 5 /* Turbomouse 5 (previously req. mousehack) */
#define ADBMOUSE_MICROSPEED 6 /* Microspeed mouse (&trackball ?), MacPoint */
#define ADBMOUSE_TRACKBALLPRO 7 /* Trackball Pro (special buttons) */
#define ADBMOUSE_MS_A3 8 /* Mouse systems A3 trackball (handler 3) */
#define ADBMOUSE_MACALLY2 9 /* MacAlly 2-button mouse */
static void
adbhid_keyboard_input(unsigned char *data, int nb, int apoll)
{
int id = (data[0] >> 4) & 0x0f;
if (!adbhid[id]) {
pr_err("ADB HID on ID %d not yet registered, packet %#02x, %#02x, %#02x, %#02x\n",
id, data[0], data[1], data[2], data[3]);
return;
}
/* first check this is from register 0 */
if (nb != 3 || (data[0] & 3) != KEYB_KEYREG)
return; /* ignore it */
adbhid_input_keycode(id, data[1], 0);
if (!(data[2] == 0xff || (data[2] == 0x7f && data[1] == 0x7f)))
adbhid_input_keycode(id, data[2], 0);
}
static void
adbhid_input_keycode(int id, int scancode, int repeat)
{
struct adbhid *ahid = adbhid[id];
int keycode, up_flag, key;
keycode = scancode & 0x7f;
up_flag = scancode & 0x80;
if (restore_capslock_events) {
if (keycode == ADB_KEY_CAPSLOCK && !up_flag) {
/* Key pressed, turning on the CapsLock LED.
* The next 0xff will be interpreted as a release. */
if (ahid->flags & FLAG_CAPSLOCK_IGNORE_NEXT) {
/* Throw away this key event if it happens
* just after resume. */
ahid->flags &= ~FLAG_CAPSLOCK_IGNORE_NEXT;
return;
} else {
ahid->flags |= FLAG_CAPSLOCK_TRANSLATE
| FLAG_CAPSLOCK_DOWN;
}
} else if (scancode == 0xff &&
!(ahid->flags & FLAG_POWER_KEY_PRESSED)) {
/* Scancode 0xff usually signifies that the capslock
* key was either pressed or released, or that the
* power button was released. */
if (ahid->flags & FLAG_CAPSLOCK_TRANSLATE) {
keycode = ADB_KEY_CAPSLOCK;
if (ahid->flags & FLAG_CAPSLOCK_DOWN) {
/* Key released */
up_flag = 1;
ahid->flags &= ~FLAG_CAPSLOCK_DOWN;
} else {
/* Key pressed */
up_flag = 0;
ahid->flags &= ~FLAG_CAPSLOCK_TRANSLATE;
}
} else {
pr_info("Spurious caps lock event (scancode 0xff).\n");
}
}
}
switch (keycode) {
case ADB_KEY_CAPSLOCK:
if (!restore_capslock_events) {
/* Generate down/up events for CapsLock every time. */
input_report_key(ahid->input, KEY_CAPSLOCK, 1);
input_sync(ahid->input);
input_report_key(ahid->input, KEY_CAPSLOCK, 0);
input_sync(ahid->input);
return;
}
break;
#ifdef CONFIG_PPC_PMAC
case ADB_KEY_POWER_OLD: /* Power key on PBook 3400 needs remapping */
switch(pmac_call_feature(PMAC_FTR_GET_MB_INFO,
NULL, PMAC_MB_INFO_MODEL, 0)) {
case PMAC_TYPE_COMET:
case PMAC_TYPE_HOOPER:
case PMAC_TYPE_KANGA:
keycode = ADB_KEY_POWER;
}
break;
case ADB_KEY_POWER:
/* Keep track of the power key state */
if (up_flag)
ahid->flags &= ~FLAG_POWER_KEY_PRESSED;
else
ahid->flags |= FLAG_POWER_KEY_PRESSED;
/* Fn + Command will produce a bogus "power" keycode */
if (ahid->flags & FLAG_FN_KEY_PRESSED) {
keycode = ADB_KEY_CMD;
if (up_flag)
ahid->flags &= ~FLAG_POWER_FROM_FN;
else
ahid->flags |= FLAG_POWER_FROM_FN;
} else if (ahid->flags & FLAG_POWER_FROM_FN) {
keycode = ADB_KEY_CMD;
ahid->flags &= ~FLAG_POWER_FROM_FN;
}
break;
case ADB_KEY_FN:
/* Keep track of the Fn key state */
if (up_flag) {
ahid->flags &= ~FLAG_FN_KEY_PRESSED;
/* Emulate Fn+delete = forward delete */
if (ahid->flags & FLAG_EMU_FWDEL_DOWN) {
ahid->flags &= ~FLAG_EMU_FWDEL_DOWN;
keycode = ADB_KEY_FWDEL;
break;
}
} else
ahid->flags |= FLAG_FN_KEY_PRESSED;
break;
case ADB_KEY_DEL:
/* Emulate Fn+delete = forward delete */
if (ahid->flags & FLAG_FN_KEY_PRESSED) {
keycode = ADB_KEY_FWDEL;
if (up_flag)
ahid->flags &= ~FLAG_EMU_FWDEL_DOWN;
else
ahid->flags |= FLAG_EMU_FWDEL_DOWN;
}
break;
#endif /* CONFIG_PPC_PMAC */
}
key = adbhid[id]->keycode[keycode];
if (key) {
input_report_key(adbhid[id]->input, key, !up_flag);
input_sync(adbhid[id]->input);
} else
pr_info("Unhandled ADB key (scancode %#02x) %s.\n", keycode,
up_flag ? "released" : "pressed");
}
static void
adbhid_mouse_input(unsigned char *data, int nb, int autopoll)
{
int id = (data[0] >> 4) & 0x0f;
if (!adbhid[id]) {
pr_err("ADB HID on ID %d not yet registered\n", id);
return;
}
/*
Handler 1 -- 100cpi original Apple mouse protocol.
Handler 2 -- 200cpi original Apple mouse protocol.
For Apple's standard one-button mouse protocol the data array will
contain the following values:
BITS COMMENTS
data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
data[1] = bxxx xxxx First button and x-axis motion.
data[2] = byyy yyyy Second button and y-axis motion.
Handler 4 -- Apple Extended mouse protocol.
For Apple's 3-button mouse protocol the data array will contain the
following values:
BITS COMMENTS
data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
data[1] = bxxx xxxx Left button and x-axis motion.
data[2] = byyy yyyy Second button and y-axis motion.
data[3] = byyy bxxx Third button and fourth button. Y is additional
high bits of y-axis motion. XY is additional
high bits of x-axis motion.
MacAlly 2-button mouse protocol.
For MacAlly 2-button mouse protocol the data array will contain the
following values:
BITS COMMENTS
data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
data[1] = bxxx xxxx Left button and x-axis motion.
data[2] = byyy yyyy Right button and y-axis motion.
data[3] = ???? ???? unknown
data[4] = ???? ???? unknown
*/
/* If it's a trackpad, we alias the second button to the first.
NOTE: Apple sends an ADB flush command to the trackpad when
the first (the real) button is released. We could do
this here using async flush requests.
*/
switch (adbhid[id]->mouse_kind)
{
case ADBMOUSE_TRACKPAD:
data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80);
data[2] = data[2] | 0x80;
break;
case ADBMOUSE_MICROSPEED:
data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7);
data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6);
data[3] = (data[3] & 0x77) | ((data[3] & 0x04) << 5)
| (data[3] & 0x08);
break;
case ADBMOUSE_TRACKBALLPRO:
data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5)
& ((data[3] & 0x08) << 4));
data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7);
data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6);
break;
case ADBMOUSE_MS_A3:
data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7);
data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6);
data[3] = ((data[3] & 0x04) << 5);
break;
case ADBMOUSE_MACALLY2:
data[3] = (data[2] & 0x80) ? 0x80 : 0x00;
data[2] |= 0x80; /* Right button is mapped as button 3 */
nb=4;
break;
}
input_report_key(adbhid[id]->input, BTN_LEFT, !((data[1] >> 7) & 1));
input_report_key(adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1));
if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD)
input_report_key(adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1));
input_report_rel(adbhid[id]->input, REL_X,
((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 ));
input_report_rel(adbhid[id]->input, REL_Y,
((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 ));
input_sync(adbhid[id]->input);
}
static void
adbhid_buttons_input(unsigned char *data, int nb, int autopoll)
{
int id = (data[0] >> 4) & 0x0f;
if (!adbhid[id]) {
pr_err("ADB HID on ID %d not yet registered\n", id);
return;
}
switch (adbhid[id]->original_handler_id) {
default:
case 0x02: /* Adjustable keyboard button device */
{
int down = (data[1] == (data[1] & 0xf));
switch (data[1] & 0x0f) {
case 0x0: /* microphone */
input_report_key(adbhid[id]->input, KEY_SOUND, down);
break;
case 0x1: /* mute */
input_report_key(adbhid[id]->input, KEY_MUTE, down);
break;
case 0x2: /* volume decrease */
input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down);
break;
case 0x3: /* volume increase */
input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down);
break;
default:
pr_info("Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
data[0], data[1], data[2], data[3]);
break;
}
}
break;
case 0x1f: /* Powerbook button device */
{
int down = (data[1] == (data[1] & 0xf));
/*
* XXX: Where is the contrast control for the passive?
* -- Cort
*/
switch (data[1] & 0x0f) {
case 0x8: /* mute */
input_report_key(adbhid[id]->input, KEY_MUTE, down);
break;
case 0x7: /* volume decrease */
input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down);
break;
case 0x6: /* volume increase */
input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down);
break;
case 0xb: /* eject */
input_report_key(adbhid[id]->input, KEY_EJECTCD, down);
break;
case 0xa: /* brightness decrease */
#ifdef CONFIG_PMAC_BACKLIGHT
if (down)
pmac_backlight_key_down();
#endif
input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down);
break;
case 0x9: /* brightness increase */
#ifdef CONFIG_PMAC_BACKLIGHT
if (down)
pmac_backlight_key_up();
#endif
input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down);
break;
case 0xc: /* videomode switch */
input_report_key(adbhid[id]->input, KEY_SWITCHVIDEOMODE, down);
break;
case 0xd: /* keyboard illumination toggle */
input_report_key(adbhid[id]->input, KEY_KBDILLUMTOGGLE, down);
break;
case 0xe: /* keyboard illumination decrease */
input_report_key(adbhid[id]->input, KEY_KBDILLUMDOWN, down);
break;
case 0xf:
switch (data[1]) {
case 0x8f:
case 0x0f:
/* keyboard illumination increase */
input_report_key(adbhid[id]->input, KEY_KBDILLUMUP, down);
break;
case 0x7f:
case 0xff:
/* keypad overlay toogle */
break;
default:
pr_info("Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
data[0], data[1], data[2], data[3]);
break;
}
break;
default:
pr_info("Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
data[0], data[1], data[2], data[3]);
break;
}
}
break;
}
input_sync(adbhid[id]->input);
}
static struct adb_request led_request;
static int leds_pending[16];
static int leds_req_pending;
static int pending_devs[16];
static int pending_led_start;
static int pending_led_end;
static DEFINE_SPINLOCK(leds_lock);
static void leds_done(struct adb_request *req)
{
int leds = 0, device = 0, pending = 0;
unsigned long flags;
spin_lock_irqsave(&leds_lock, flags);
if (pending_led_start != pending_led_end) {
device = pending_devs[pending_led_start];
leds = leds_pending[device] & 0xff;
leds_pending[device] = 0;
pending_led_start++;
pending_led_start = (pending_led_start < 16) ? pending_led_start : 0;
pending = leds_req_pending;
} else
leds_req_pending = 0;
spin_unlock_irqrestore(&leds_lock, flags);
if (pending)
adb_request(&led_request, leds_done, 0, 3,
ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds);
}
static void real_leds(unsigned char leds, int device)
{
unsigned long flags;
spin_lock_irqsave(&leds_lock, flags);
if (!leds_req_pending) {
leds_req_pending = 1;
spin_unlock_irqrestore(&leds_lock, flags);
adb_request(&led_request, leds_done, 0, 3,
ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds);
return;
} else {
if (!(leds_pending[device] & 0x100)) {
pending_devs[pending_led_end] = device;
pending_led_end++;
pending_led_end = (pending_led_end < 16) ? pending_led_end : 0;
}
leds_pending[device] = leds | 0x100;
}
spin_unlock_irqrestore(&leds_lock, flags);
}
/*
* Event callback from the input module. Events that change the state of
* the hardware are processed here.
*/
static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
{
struct adbhid *adbhid = input_get_drvdata(dev);
unsigned char leds;
switch (type) {
case EV_LED:
leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) |
(test_bit(LED_NUML, dev->led) ? 1 : 0) |
(test_bit(LED_CAPSL, dev->led) ? 2 : 0);
real_leds(leds, adbhid->id);
return 0;
}
return -1;
}
static void
adbhid_kbd_capslock_remember(void)
{
struct adbhid *ahid;
int i;
for (i = 1; i < 16; i++) {
ahid = adbhid[i];
if (ahid && ahid->id == ADB_KEYBOARD)
if (ahid->flags & FLAG_CAPSLOCK_TRANSLATE)
ahid->flags |= FLAG_CAPSLOCK_IGNORE_NEXT;
}
}
static int
adb_message_handler(struct notifier_block *this, unsigned long code, void *x)
{
switch (code) {
case ADB_MSG_PRE_RESET:
case ADB_MSG_POWERDOWN:
/* Stop the repeat timer. Autopoll is already off at this point */
{
int i;
for (i = 1; i < 16; i++) {
if (adbhid[i])
del_timer_sync(&adbhid[i]->input->timer);
}
}
/* Stop pending led requests */
while (leds_req_pending)
adb_poll();
/* After resume, and if the capslock LED is on, the PMU will
* send a "capslock down" key event. This confuses the
* restore_capslock_events logic. Remember if the capslock
* LED was on before suspend so the unwanted key event can
* be ignored after resume. */
if (restore_capslock_events)
adbhid_kbd_capslock_remember();
break;
case ADB_MSG_POST_RESET:
adbhid_probe();
break;
}
return NOTIFY_DONE;
}
static int
adbhid_input_register(int id, int default_id, int original_handler_id,
int current_handler_id, int mouse_kind)
{
struct adbhid *hid;
struct input_dev *input_dev;
int err;
int i;
char *keyboard_type;
if (adbhid[id]) {
pr_err("Trying to reregister ADB HID on ID %d\n", id);
return -EEXIST;
}
adbhid[id] = hid = kzalloc(sizeof(struct adbhid), GFP_KERNEL);
input_dev = input_allocate_device();
if (!hid || !input_dev) {
err = -ENOMEM;
goto fail;
}
sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id);
hid->input = input_dev;
hid->id = default_id;
hid->original_handler_id = original_handler_id;
hid->current_handler_id = current_handler_id;
hid->mouse_kind = mouse_kind;
hid->flags = 0;
input_set_drvdata(input_dev, hid);
input_dev->name = hid->name;
input_dev->phys = hid->phys;
input_dev->id.bustype = BUS_ADB;
input_dev->id.vendor = 0x0001;
input_dev->id.product = (id << 12) | (default_id << 8) | original_handler_id;
input_dev->id.version = 0x0100;
switch (default_id) {
case ADB_KEYBOARD:
hid->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL);
if (!hid->keycode) {
err = -ENOMEM;
goto fail;
}
sprintf(hid->name, "ADB keyboard");
memcpy(hid->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes));
switch (original_handler_id) {
default:
keyboard_type = "<unknown>";
input_dev->id.version = ADB_KEYBOARD_UNKNOWN;
break;
case 0x01: case 0x02: case 0x03: case 0x06: case 0x08:
case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C:
case 0xC0: case 0xC3: case 0xC6:
keyboard_type = "ANSI";
input_dev->id.version = ADB_KEYBOARD_ANSI;
break;
case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D:
case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1:
case 0xC4: case 0xC7:
keyboard_type = "ISO, swapping keys";
input_dev->id.version = ADB_KEYBOARD_ISO;
i = hid->keycode[10];
hid->keycode[10] = hid->keycode[50];
hid->keycode[50] = i;
break;
case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A:
case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9:
keyboard_type = "JIS";
input_dev->id.version = ADB_KEYBOARD_JIS;
break;
}
pr_info("Detected ADB keyboard, type %s.\n", keyboard_type);
for (i = 0; i < 128; i++)
if (hid->keycode[i])
set_bit(hid->keycode[i], input_dev->keybit);
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) |
BIT_MASK(EV_REP);
input_dev->ledbit[0] = BIT_MASK(LED_SCROLLL) |
BIT_MASK(LED_CAPSL) | BIT_MASK(LED_NUML);
input_dev->event = adbhid_kbd_event;
input_dev->keycodemax = KEY_FN;
input_dev->keycodesize = sizeof(hid->keycode[0]);
break;
case ADB_MOUSE:
sprintf(hid->name, "ADB mouse");
input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
break;
case ADB_MISC:
switch (original_handler_id) {
case 0x02: /* Adjustable keyboard button device */
sprintf(hid->name, "ADB adjustable keyboard buttons");
input_dev->evbit[0] = BIT_MASK(EV_KEY) |
BIT_MASK(EV_REP);
set_bit(KEY_SOUND, input_dev->keybit);
set_bit(KEY_MUTE, input_dev->keybit);
set_bit(KEY_VOLUMEUP, input_dev->keybit);
set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
break;
case 0x1f: /* Powerbook button device */
sprintf(hid->name, "ADB Powerbook buttons");
input_dev->evbit[0] = BIT_MASK(EV_KEY) |
BIT_MASK(EV_REP);
set_bit(KEY_MUTE, input_dev->keybit);
set_bit(KEY_VOLUMEUP, input_dev->keybit);
set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
set_bit(KEY_BRIGHTNESSUP, input_dev->keybit);
set_bit(KEY_BRIGHTNESSDOWN, input_dev->keybit);
set_bit(KEY_EJECTCD, input_dev->keybit);
set_bit(KEY_SWITCHVIDEOMODE, input_dev->keybit);
set_bit(KEY_KBDILLUMTOGGLE, input_dev->keybit);
set_bit(KEY_KBDILLUMDOWN, input_dev->keybit);
set_bit(KEY_KBDILLUMUP, input_dev->keybit);
break;
}
if (hid->name[0])
break;
/* else fall through */
default:
pr_info("Trying to register unknown ADB device to input layer.\n");
err = -ENODEV;
goto fail;
}
input_dev->keycode = hid->keycode;
err = input_register_device(input_dev);
if (err)
goto fail;
if (default_id == ADB_KEYBOARD) {
/* HACK WARNING!! This should go away as soon there is an utility
* to control that for event devices.
*/
input_dev->rep[REP_DELAY] = 500; /* input layer default: 250 */
input_dev->rep[REP_PERIOD] = 66; /* input layer default: 33 */
}
return 0;
fail: input_free_device(input_dev);
if (hid) {
kfree(hid->keycode);
kfree(hid);
}
adbhid[id] = NULL;
return err;
}
static void adbhid_input_unregister(int id)
{
input_unregister_device(adbhid[id]->input);
kfree(adbhid[id]->keycode);
kfree(adbhid[id]);
adbhid[id] = NULL;
}
static u16
adbhid_input_reregister(int id, int default_id, int org_handler_id,
int cur_handler_id, int mk)
{
if (adbhid[id]) {
if (adbhid[id]->input->id.product !=
((id << 12)|(default_id << 8)|org_handler_id)) {
adbhid_input_unregister(id);
adbhid_input_register(id, default_id, org_handler_id,
cur_handler_id, mk);
}
} else
adbhid_input_register(id, default_id, org_handler_id,
cur_handler_id, mk);
return 1<<id;
}
static void
adbhid_input_devcleanup(u16 exist)
{
int i;
for(i=1; i<16; i++)
if (adbhid[i] && !(exist&(1<<i)))
adbhid_input_unregister(i);
}
static void
adbhid_probe(void)
{
struct adb_request req;
int i, default_id, org_handler_id, cur_handler_id;
u16 reg = 0;
adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input);
adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input);
adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input);
for (i = 0; i < keyboard_ids.nids; i++) {
int id = keyboard_ids.id[i];
adb_get_infos(id, &default_id, &org_handler_id);
/* turn off all leds */
adb_request(&req, NULL, ADBREQ_SYNC, 3,
ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff);
/* Enable full feature set of the keyboard
->get it to send separate codes for left and right shift,
control, option keys */
#if 0 /* handler 5 doesn't send separate codes for R modifiers */
if (!adb_try_handler_change(id, 5))
#endif
adb_try_handler_change(id, 3);
adb_get_infos(id, &default_id, &cur_handler_id);
printk(KERN_DEBUG "ADB keyboard at %d has handler 0x%X\n",
id, cur_handler_id);
reg |= adbhid_input_reregister(id, default_id, org_handler_id,
cur_handler_id, 0);
}
for (i = 0; i < buttons_ids.nids; i++) {
int id = buttons_ids.id[i];
adb_get_infos(id, &default_id, &org_handler_id);
reg |= adbhid_input_reregister(id, default_id, org_handler_id,
org_handler_id, 0);
}
/* Try to switch all mice to handler 4, or 2 for three-button
mode and full resolution. */
for (i = 0; i < mouse_ids.nids; i++) {
int id = mouse_ids.id[i];
int mouse_kind;
char *desc = "standard";