sysctl drivers: Remove dead binary sysctl support
[linux-2.6.git] / drivers / macintosh / adbhid.c
1 /*
2  * drivers/macintosh/adbhid.c
3  *
4  * ADB HID driver for Power Macintosh computers.
5  *
6  * Adapted from drivers/macintosh/mac_keyb.c by Franz Sirl.
7  * drivers/macintosh/mac_keyb.c was Copyright (C) 1996 Paul Mackerras
8  * with considerable contributions from Ben Herrenschmidt and others.
9  *
10  * Copyright (C) 2000 Franz Sirl.
11  *
12  * Adapted to ADB changes and support for more devices by
13  * Benjamin Herrenschmidt. Adapted from code in MkLinux
14  * and reworked.
15  * 
16  * Supported devices:
17  *
18  * - Standard 1 button mouse
19  * - All standard Apple Extended protocol (handler ID 4)
20  * - mouseman and trackman mice & trackballs 
21  * - PowerBook Trackpad (default setup: enable tapping)
22  * - MicroSpeed mouse & trackball (needs testing)
23  * - CH Products Trackball Pro (needs testing)
24  * - Contour Design (Contour Mouse)
25  * - Hunter digital (NoHandsMouse)
26  * - Kensignton TurboMouse 5 (needs testing)
27  * - Mouse Systems A3 mice and trackballs <aidan@kublai.com>
28  * - MacAlly 2-buttons mouse (needs testing) <pochini@denise.shiny.it>
29  *
30  * To do:
31  *
32  * Improve Kensington support.
33  * Split mouse/kbd
34  * Move to syfs
35  */
36
37 #include <linux/module.h>
38 #include <linux/slab.h>
39 #include <linux/init.h>
40 #include <linux/notifier.h>
41 #include <linux/input.h>
42
43 #include <linux/adb.h>
44 #include <linux/cuda.h>
45 #include <linux/pmu.h>
46
47 #include <asm/machdep.h>
48 #ifdef CONFIG_PPC_PMAC
49 #include <asm/backlight.h>
50 #include <asm/pmac_feature.h>
51 #endif
52
53 MODULE_AUTHOR("Franz Sirl <Franz.Sirl-kernel@lauterbach.com>");
54
55 static int restore_capslock_events;
56 module_param(restore_capslock_events, int, 0644);
57 MODULE_PARM_DESC(restore_capslock_events,
58         "Produce keypress events for capslock on both keyup and keydown.");
59
60 #define KEYB_KEYREG     0       /* register # for key up/down data */
61 #define KEYB_LEDREG     2       /* register # for leds on ADB keyboard */
62 #define MOUSE_DATAREG   0       /* reg# for movement/button codes from mouse */
63
64 static int adb_message_handler(struct notifier_block *, unsigned long, void *);
65 static struct notifier_block adbhid_adb_notifier = {
66         .notifier_call  = adb_message_handler,
67 };
68
69 /* Some special keys */
70 #define ADB_KEY_DEL             0x33
71 #define ADB_KEY_CMD             0x37
72 #define ADB_KEY_CAPSLOCK        0x39
73 #define ADB_KEY_FN              0x3f
74 #define ADB_KEY_FWDEL           0x75
75 #define ADB_KEY_POWER_OLD       0x7e
76 #define ADB_KEY_POWER           0x7f
77
78 static const u16 adb_to_linux_keycodes[128] = {
79         /* 0x00 */ KEY_A,               /*  30 */
80         /* 0x01 */ KEY_S,               /*  31 */
81         /* 0x02 */ KEY_D,               /*  32 */
82         /* 0x03 */ KEY_F,               /*  33 */
83         /* 0x04 */ KEY_H,               /*  35 */
84         /* 0x05 */ KEY_G,               /*  34 */
85         /* 0x06 */ KEY_Z,               /*  44 */
86         /* 0x07 */ KEY_X,               /*  45 */
87         /* 0x08 */ KEY_C,               /*  46 */
88         /* 0x09 */ KEY_V,               /*  47 */
89         /* 0x0a */ KEY_102ND,           /*  86 */
90         /* 0x0b */ KEY_B,               /*  48 */
91         /* 0x0c */ KEY_Q,               /*  16 */
92         /* 0x0d */ KEY_W,               /*  17 */
93         /* 0x0e */ KEY_E,               /*  18 */
94         /* 0x0f */ KEY_R,               /*  19 */
95         /* 0x10 */ KEY_Y,               /*  21 */
96         /* 0x11 */ KEY_T,               /*  20 */
97         /* 0x12 */ KEY_1,               /*   2 */
98         /* 0x13 */ KEY_2,               /*   3 */
99         /* 0x14 */ KEY_3,               /*   4 */
100         /* 0x15 */ KEY_4,               /*   5 */
101         /* 0x16 */ KEY_6,               /*   7 */
102         /* 0x17 */ KEY_5,               /*   6 */
103         /* 0x18 */ KEY_EQUAL,           /*  13 */
104         /* 0x19 */ KEY_9,               /*  10 */
105         /* 0x1a */ KEY_7,               /*   8 */
106         /* 0x1b */ KEY_MINUS,           /*  12 */
107         /* 0x1c */ KEY_8,               /*   9 */
108         /* 0x1d */ KEY_0,               /*  11 */
109         /* 0x1e */ KEY_RIGHTBRACE,      /*  27 */
110         /* 0x1f */ KEY_O,               /*  24 */
111         /* 0x20 */ KEY_U,               /*  22 */
112         /* 0x21 */ KEY_LEFTBRACE,       /*  26 */
113         /* 0x22 */ KEY_I,               /*  23 */
114         /* 0x23 */ KEY_P,               /*  25 */
115         /* 0x24 */ KEY_ENTER,           /*  28 */
116         /* 0x25 */ KEY_L,               /*  38 */
117         /* 0x26 */ KEY_J,               /*  36 */
118         /* 0x27 */ KEY_APOSTROPHE,      /*  40 */
119         /* 0x28 */ KEY_K,               /*  37 */
120         /* 0x29 */ KEY_SEMICOLON,       /*  39 */
121         /* 0x2a */ KEY_BACKSLASH,       /*  43 */
122         /* 0x2b */ KEY_COMMA,           /*  51 */
123         /* 0x2c */ KEY_SLASH,           /*  53 */
124         /* 0x2d */ KEY_N,               /*  49 */
125         /* 0x2e */ KEY_M,               /*  50 */
126         /* 0x2f */ KEY_DOT,             /*  52 */
127         /* 0x30 */ KEY_TAB,             /*  15 */
128         /* 0x31 */ KEY_SPACE,           /*  57 */
129         /* 0x32 */ KEY_GRAVE,           /*  41 */
130         /* 0x33 */ KEY_BACKSPACE,       /*  14 */
131         /* 0x34 */ KEY_KPENTER,         /*  96 */
132         /* 0x35 */ KEY_ESC,             /*   1 */
133         /* 0x36 */ KEY_LEFTCTRL,        /*  29 */
134         /* 0x37 */ KEY_LEFTMETA,        /* 125 */
135         /* 0x38 */ KEY_LEFTSHIFT,       /*  42 */
136         /* 0x39 */ KEY_CAPSLOCK,        /*  58 */
137         /* 0x3a */ KEY_LEFTALT,         /*  56 */
138         /* 0x3b */ KEY_LEFT,            /* 105 */
139         /* 0x3c */ KEY_RIGHT,           /* 106 */
140         /* 0x3d */ KEY_DOWN,            /* 108 */
141         /* 0x3e */ KEY_UP,              /* 103 */
142         /* 0x3f */ KEY_FN,              /* 0x1d0 */
143         /* 0x40 */ 0,
144         /* 0x41 */ KEY_KPDOT,           /*  83 */
145         /* 0x42 */ 0,
146         /* 0x43 */ KEY_KPASTERISK,      /*  55 */
147         /* 0x44 */ 0,
148         /* 0x45 */ KEY_KPPLUS,          /*  78 */
149         /* 0x46 */ 0,
150         /* 0x47 */ KEY_NUMLOCK,         /*  69 */
151         /* 0x48 */ 0,
152         /* 0x49 */ 0,
153         /* 0x4a */ 0,
154         /* 0x4b */ KEY_KPSLASH,         /*  98 */
155         /* 0x4c */ KEY_KPENTER,         /*  96 */
156         /* 0x4d */ 0,
157         /* 0x4e */ KEY_KPMINUS,         /*  74 */
158         /* 0x4f */ 0,
159         /* 0x50 */ 0,
160         /* 0x51 */ KEY_KPEQUAL,         /* 117 */
161         /* 0x52 */ KEY_KP0,             /*  82 */
162         /* 0x53 */ KEY_KP1,             /*  79 */
163         /* 0x54 */ KEY_KP2,             /*  80 */
164         /* 0x55 */ KEY_KP3,             /*  81 */
165         /* 0x56 */ KEY_KP4,             /*  75 */
166         /* 0x57 */ KEY_KP5,             /*  76 */
167         /* 0x58 */ KEY_KP6,             /*  77 */
168         /* 0x59 */ KEY_KP7,             /*  71 */
169         /* 0x5a */ 0,
170         /* 0x5b */ KEY_KP8,             /*  72 */
171         /* 0x5c */ KEY_KP9,             /*  73 */
172         /* 0x5d */ KEY_YEN,             /* 124 */
173         /* 0x5e */ KEY_RO,              /*  89 */
174         /* 0x5f */ KEY_KPCOMMA,         /* 121 */
175         /* 0x60 */ KEY_F5,              /*  63 */
176         /* 0x61 */ KEY_F6,              /*  64 */
177         /* 0x62 */ KEY_F7,              /*  65 */
178         /* 0x63 */ KEY_F3,              /*  61 */
179         /* 0x64 */ KEY_F8,              /*  66 */
180         /* 0x65 */ KEY_F9,              /*  67 */
181         /* 0x66 */ KEY_HANJA,           /* 123 */
182         /* 0x67 */ KEY_F11,             /*  87 */
183         /* 0x68 */ KEY_HANGEUL,         /* 122 */
184         /* 0x69 */ KEY_SYSRQ,           /*  99 */
185         /* 0x6a */ 0,
186         /* 0x6b */ KEY_SCROLLLOCK,      /*  70 */
187         /* 0x6c */ 0,
188         /* 0x6d */ KEY_F10,             /*  68 */
189         /* 0x6e */ KEY_COMPOSE,         /* 127 */
190         /* 0x6f */ KEY_F12,             /*  88 */
191         /* 0x70 */ 0,
192         /* 0x71 */ KEY_PAUSE,           /* 119 */
193         /* 0x72 */ KEY_INSERT,          /* 110 */
194         /* 0x73 */ KEY_HOME,            /* 102 */
195         /* 0x74 */ KEY_PAGEUP,          /* 104 */
196         /* 0x75 */ KEY_DELETE,          /* 111 */
197         /* 0x76 */ KEY_F4,              /*  62 */
198         /* 0x77 */ KEY_END,             /* 107 */
199         /* 0x78 */ KEY_F2,              /*  60 */
200         /* 0x79 */ KEY_PAGEDOWN,        /* 109 */
201         /* 0x7a */ KEY_F1,              /*  59 */
202         /* 0x7b */ KEY_RIGHTSHIFT,      /*  54 */
203         /* 0x7c */ KEY_RIGHTALT,        /* 100 */
204         /* 0x7d */ KEY_RIGHTCTRL,       /*  97 */
205         /* 0x7e */ KEY_RIGHTMETA,       /* 126 */
206         /* 0x7f */ KEY_POWER,           /* 116 */
207 };
208
209 struct adbhid {
210         struct input_dev *input;
211         int id;
212         int default_id;
213         int original_handler_id;
214         int current_handler_id;
215         int mouse_kind;
216         u16 *keycode;
217         char name[64];
218         char phys[32];
219         int flags;
220 };
221
222 #define FLAG_FN_KEY_PRESSED             0x00000001
223 #define FLAG_POWER_FROM_FN              0x00000002
224 #define FLAG_EMU_FWDEL_DOWN             0x00000004
225 #define FLAG_CAPSLOCK_TRANSLATE         0x00000008
226 #define FLAG_CAPSLOCK_DOWN              0x00000010
227 #define FLAG_CAPSLOCK_IGNORE_NEXT       0x00000020
228 #define FLAG_POWER_KEY_PRESSED          0x00000040
229
230 static struct adbhid *adbhid[16];
231
232 static void adbhid_probe(void);
233
234 static void adbhid_input_keycode(int, int, int);
235
236 static void init_trackpad(int id);
237 static void init_trackball(int id);
238 static void init_turbomouse(int id);
239 static void init_microspeed(int id);
240 static void init_ms_a3(int id);
241
242 static struct adb_ids keyboard_ids;
243 static struct adb_ids mouse_ids;
244 static struct adb_ids buttons_ids;
245
246 /* Kind of keyboard, see Apple technote 1152  */
247 #define ADB_KEYBOARD_UNKNOWN    0
248 #define ADB_KEYBOARD_ANSI       0x0100
249 #define ADB_KEYBOARD_ISO        0x0200
250 #define ADB_KEYBOARD_JIS        0x0300
251
252 /* Kind of mouse  */
253 #define ADBMOUSE_STANDARD_100   0       /* Standard 100cpi mouse (handler 1) */
254 #define ADBMOUSE_STANDARD_200   1       /* Standard 200cpi mouse (handler 2) */
255 #define ADBMOUSE_EXTENDED       2       /* Apple Extended mouse (handler 4) */
256 #define ADBMOUSE_TRACKBALL      3       /* TrackBall (handler 4) */
257 #define ADBMOUSE_TRACKPAD       4       /* Apple's PowerBook trackpad (handler 4) */
258 #define ADBMOUSE_TURBOMOUSE5    5       /* Turbomouse 5 (previously req. mousehack) */
259 #define ADBMOUSE_MICROSPEED     6       /* Microspeed mouse (&trackball ?), MacPoint */
260 #define ADBMOUSE_TRACKBALLPRO   7       /* Trackball Pro (special buttons) */
261 #define ADBMOUSE_MS_A3          8       /* Mouse systems A3 trackball (handler 3) */
262 #define ADBMOUSE_MACALLY2       9       /* MacAlly 2-button mouse */
263
264 static void
265 adbhid_keyboard_input(unsigned char *data, int nb, int apoll)
266 {
267         int id = (data[0] >> 4) & 0x0f;
268
269         if (!adbhid[id]) {
270                 printk(KERN_ERR "ADB HID on ID %d not yet registered, packet %#02x, %#02x, %#02x, %#02x\n",
271                        id, data[0], data[1], data[2], data[3]);
272                 return;
273         }
274
275         /* first check this is from register 0 */
276         if (nb != 3 || (data[0] & 3) != KEYB_KEYREG)
277                 return;         /* ignore it */
278         adbhid_input_keycode(id, data[1], 0);
279         if (!(data[2] == 0xff || (data[2] == 0x7f && data[1] == 0x7f)))
280                 adbhid_input_keycode(id, data[2], 0);
281 }
282
283 static void
284 adbhid_input_keycode(int id, int scancode, int repeat)
285 {
286         struct adbhid *ahid = adbhid[id];
287         int keycode, up_flag, key;
288
289         keycode = scancode & 0x7f;
290         up_flag = scancode & 0x80;
291
292         if (restore_capslock_events) {
293                 if (keycode == ADB_KEY_CAPSLOCK && !up_flag) {
294                         /* Key pressed, turning on the CapsLock LED.
295                          * The next 0xff will be interpreted as a release. */
296                         if (ahid->flags & FLAG_CAPSLOCK_IGNORE_NEXT) {
297                                 /* Throw away this key event if it happens
298                                  * just after resume. */
299                                 ahid->flags &= ~FLAG_CAPSLOCK_IGNORE_NEXT;
300                                 return;
301                         } else {
302                                 ahid->flags |= FLAG_CAPSLOCK_TRANSLATE
303                                         | FLAG_CAPSLOCK_DOWN;
304                         }
305                 } else if (scancode == 0xff &&
306                            !(ahid->flags & FLAG_POWER_KEY_PRESSED)) {
307                         /* Scancode 0xff usually signifies that the capslock
308                          * key was either pressed or released, or that the
309                          * power button was released. */
310                         if (ahid->flags & FLAG_CAPSLOCK_TRANSLATE) {
311                                 keycode = ADB_KEY_CAPSLOCK;
312                                 if (ahid->flags & FLAG_CAPSLOCK_DOWN) {
313                                         /* Key released */
314                                         up_flag = 1;
315                                         ahid->flags &= ~FLAG_CAPSLOCK_DOWN;
316                                 } else {
317                                         /* Key pressed */
318                                         up_flag = 0;
319                                         ahid->flags &= ~FLAG_CAPSLOCK_TRANSLATE;
320                                 }
321                         } else {
322                                 printk(KERN_INFO "Spurious caps lock event "
323                                                  "(scancode 0xff).\n");
324                         }
325                 }
326         }
327
328         switch (keycode) {
329         case ADB_KEY_CAPSLOCK:
330                 if (!restore_capslock_events) {
331                         /* Generate down/up events for CapsLock everytime. */
332                         input_report_key(ahid->input, KEY_CAPSLOCK, 1);
333                         input_sync(ahid->input);
334                         input_report_key(ahid->input, KEY_CAPSLOCK, 0);
335                         input_sync(ahid->input);
336                         return;
337                 }
338                 break;
339 #ifdef CONFIG_PPC_PMAC
340         case ADB_KEY_POWER_OLD: /* Power key on PBook 3400 needs remapping */
341                 switch(pmac_call_feature(PMAC_FTR_GET_MB_INFO,
342                         NULL, PMAC_MB_INFO_MODEL, 0)) {
343                 case PMAC_TYPE_COMET:
344                 case PMAC_TYPE_HOOPER:
345                 case PMAC_TYPE_KANGA:
346                         keycode = ADB_KEY_POWER;
347                 }
348                 break;
349         case ADB_KEY_POWER:
350                 /* Keep track of the power key state */
351                 if (up_flag)
352                         ahid->flags &= ~FLAG_POWER_KEY_PRESSED;
353                 else
354                         ahid->flags |= FLAG_POWER_KEY_PRESSED;
355
356                 /* Fn + Command will produce a bogus "power" keycode */
357                 if (ahid->flags & FLAG_FN_KEY_PRESSED) {
358                         keycode = ADB_KEY_CMD;
359                         if (up_flag)
360                                 ahid->flags &= ~FLAG_POWER_FROM_FN;
361                         else
362                                 ahid->flags |= FLAG_POWER_FROM_FN;
363                 } else if (ahid->flags & FLAG_POWER_FROM_FN) {
364                         keycode = ADB_KEY_CMD;
365                         ahid->flags &= ~FLAG_POWER_FROM_FN;
366                 }
367                 break;
368         case ADB_KEY_FN:
369                 /* Keep track of the Fn key state */
370                 if (up_flag) {
371                         ahid->flags &= ~FLAG_FN_KEY_PRESSED;
372                         /* Emulate Fn+delete = forward delete */
373                         if (ahid->flags & FLAG_EMU_FWDEL_DOWN) {
374                                 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN;
375                                 keycode = ADB_KEY_FWDEL;
376                                 break;
377                         }
378                 } else
379                         ahid->flags |= FLAG_FN_KEY_PRESSED;
380                 break;
381         case ADB_KEY_DEL:
382                 /* Emulate Fn+delete = forward delete */
383                 if (ahid->flags & FLAG_FN_KEY_PRESSED) {
384                         keycode = ADB_KEY_FWDEL;
385                         if (up_flag)
386                                 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN;
387                         else
388                                 ahid->flags |= FLAG_EMU_FWDEL_DOWN;
389                 }
390                 break;
391 #endif /* CONFIG_PPC_PMAC */
392         }
393
394         key = adbhid[id]->keycode[keycode];
395         if (key) {
396                 input_report_key(adbhid[id]->input, key, !up_flag);
397                 input_sync(adbhid[id]->input);
398         } else
399                 printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode,
400                        up_flag ? "released" : "pressed");
401
402 }
403
404 static void
405 adbhid_mouse_input(unsigned char *data, int nb, int autopoll)
406 {
407         int id = (data[0] >> 4) & 0x0f;
408
409         if (!adbhid[id]) {
410                 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id);
411                 return;
412         }
413
414   /*
415     Handler 1 -- 100cpi original Apple mouse protocol.
416     Handler 2 -- 200cpi original Apple mouse protocol.
417
418     For Apple's standard one-button mouse protocol the data array will
419     contain the following values:
420
421                 BITS    COMMENTS
422     data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
423     data[1] = bxxx xxxx First button and x-axis motion.
424     data[2] = byyy yyyy Second button and y-axis motion.
425
426     Handler 4 -- Apple Extended mouse protocol.
427
428     For Apple's 3-button mouse protocol the data array will contain the
429     following values:
430
431                 BITS    COMMENTS
432     data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
433     data[1] = bxxx xxxx Left button and x-axis motion.
434     data[2] = byyy yyyy Second button and y-axis motion.
435     data[3] = byyy bxxx Third button and fourth button.  Y is additional
436               high bits of y-axis motion.  XY is additional
437               high bits of x-axis motion.
438
439     MacAlly 2-button mouse protocol.
440
441     For MacAlly 2-button mouse protocol the data array will contain the
442     following values:
443
444                 BITS    COMMENTS
445     data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
446     data[1] = bxxx xxxx Left button and x-axis motion.
447     data[2] = byyy yyyy Right button and y-axis motion.
448     data[3] = ???? ???? unknown
449     data[4] = ???? ???? unknown
450
451   */
452
453         /* If it's a trackpad, we alias the second button to the first.
454            NOTE: Apple sends an ADB flush command to the trackpad when
455                  the first (the real) button is released. We could do
456                  this here using async flush requests.
457         */
458         switch (adbhid[id]->mouse_kind)
459         {
460             case ADBMOUSE_TRACKPAD:
461                 data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80);
462                 data[2] = data[2] | 0x80;
463                 break;
464             case ADBMOUSE_MICROSPEED:
465                 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7);
466                 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6);
467                 data[3] = (data[3] & 0x77) | ((data[3] & 0x04) << 5)
468                         | (data[3] & 0x08);
469                 break;
470             case ADBMOUSE_TRACKBALLPRO:
471                 data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5)
472                         & ((data[3] & 0x08) << 4));
473                 data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7);
474                 data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6);
475                 break;
476             case ADBMOUSE_MS_A3:
477                 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7);
478                 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6);
479                 data[3] = ((data[3] & 0x04) << 5);
480                 break;
481             case ADBMOUSE_MACALLY2:
482                 data[3] = (data[2] & 0x80) ? 0x80 : 0x00;
483                 data[2] |= 0x80;  /* Right button is mapped as button 3 */
484                 nb=4;
485                 break;
486         }
487
488         input_report_key(adbhid[id]->input, BTN_LEFT,   !((data[1] >> 7) & 1));
489         input_report_key(adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1));
490
491         if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD)
492                 input_report_key(adbhid[id]->input, BTN_RIGHT,  !((data[3] >> 7) & 1));
493
494         input_report_rel(adbhid[id]->input, REL_X,
495                          ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 ));
496         input_report_rel(adbhid[id]->input, REL_Y,
497                          ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 ));
498
499         input_sync(adbhid[id]->input);
500 }
501
502 static void
503 adbhid_buttons_input(unsigned char *data, int nb, int autopoll)
504 {
505         int id = (data[0] >> 4) & 0x0f;
506
507         if (!adbhid[id]) {
508                 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id);
509                 return;
510         }
511
512         switch (adbhid[id]->original_handler_id) {
513         default:
514         case 0x02: /* Adjustable keyboard button device */
515           {
516                 int down = (data[1] == (data[1] & 0xf));
517
518                 switch (data[1] & 0x0f) {
519                 case 0x0:       /* microphone */
520                         input_report_key(adbhid[id]->input, KEY_SOUND, down);
521                         break;
522
523                 case 0x1:       /* mute */
524                         input_report_key(adbhid[id]->input, KEY_MUTE, down);
525                         break;
526
527                 case 0x2:       /* volume decrease */
528                         input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down);
529                         break;
530
531                 case 0x3:       /* volume increase */
532                         input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down);
533                         break;
534
535                 default:
536                         printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
537                                data[0], data[1], data[2], data[3]);
538                         break;
539                 }
540           }
541           break;
542
543         case 0x1f: /* Powerbook button device */
544           {
545                 int down = (data[1] == (data[1] & 0xf));
546
547                 /*
548                  * XXX: Where is the contrast control for the passive?
549                  *  -- Cort
550                  */
551
552                 switch (data[1] & 0x0f) {
553                 case 0x8:       /* mute */
554                         input_report_key(adbhid[id]->input, KEY_MUTE, down);
555                         break;
556
557                 case 0x7:       /* volume decrease */
558                         input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down);
559                         break;
560
561                 case 0x6:       /* volume increase */
562                         input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down);
563                         break;
564
565                 case 0xb:       /* eject */
566                         input_report_key(adbhid[id]->input, KEY_EJECTCD, down);
567                         break;
568
569                 case 0xa:       /* brightness decrease */
570 #ifdef CONFIG_PMAC_BACKLIGHT
571                         if (down)
572                                 pmac_backlight_key_down();
573 #endif
574                         input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down);
575                         break;
576
577                 case 0x9:       /* brightness increase */
578 #ifdef CONFIG_PMAC_BACKLIGHT
579                         if (down)
580                                 pmac_backlight_key_up();
581 #endif
582                         input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down);
583                         break;
584
585                 case 0xc:       /* videomode switch */
586                         input_report_key(adbhid[id]->input, KEY_SWITCHVIDEOMODE, down);
587                         break;
588
589                 case 0xd:       /* keyboard illumination toggle */
590                         input_report_key(adbhid[id]->input, KEY_KBDILLUMTOGGLE, down);
591                         break;
592
593                 case 0xe:       /* keyboard illumination decrease */
594                         input_report_key(adbhid[id]->input, KEY_KBDILLUMDOWN, down);
595                         break;
596
597                 case 0xf:
598                         switch (data[1]) {
599                         case 0x8f:
600                         case 0x0f:
601                                 /* keyboard illumination increase */
602                                 input_report_key(adbhid[id]->input, KEY_KBDILLUMUP, down);
603                                 break;
604
605                         case 0x7f:
606                         case 0xff:
607                                 /* keypad overlay toogle */
608                                 break;
609
610                         default:
611                                 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
612                                        data[0], data[1], data[2], data[3]);
613                                 break;
614                         }
615                         break;
616                 default:
617                         printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
618                                data[0], data[1], data[2], data[3]);
619                         break;
620                 }
621           }
622           break;
623         }
624
625         input_sync(adbhid[id]->input);
626 }
627
628 static struct adb_request led_request;
629 static int leds_pending[16];
630 static int leds_req_pending;
631 static int pending_devs[16];
632 static int pending_led_start;
633 static int pending_led_end;
634 static DEFINE_SPINLOCK(leds_lock);
635
636 static void leds_done(struct adb_request *req)
637 {
638         int leds = 0, device = 0, pending = 0;
639         unsigned long flags;
640
641         spin_lock_irqsave(&leds_lock, flags);
642
643         if (pending_led_start != pending_led_end) {
644                 device = pending_devs[pending_led_start];
645                 leds = leds_pending[device] & 0xff;
646                 leds_pending[device] = 0;
647                 pending_led_start++;
648                 pending_led_start = (pending_led_start < 16) ? pending_led_start : 0;
649                 pending = leds_req_pending;
650         } else
651                 leds_req_pending = 0;
652         spin_unlock_irqrestore(&leds_lock, flags);
653         if (pending)
654                 adb_request(&led_request, leds_done, 0, 3,
655                             ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds);
656 }
657
658 static void real_leds(unsigned char leds, int device)
659 {
660         unsigned long flags;
661
662         spin_lock_irqsave(&leds_lock, flags);
663         if (!leds_req_pending) {
664                 leds_req_pending = 1;
665                 spin_unlock_irqrestore(&leds_lock, flags);             
666                 adb_request(&led_request, leds_done, 0, 3,
667                             ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds);
668                 return;
669         } else {
670                 if (!(leds_pending[device] & 0x100)) {
671                         pending_devs[pending_led_end] = device;
672                         pending_led_end++;
673                         pending_led_end = (pending_led_end < 16) ? pending_led_end : 0;
674                 }
675                 leds_pending[device] = leds | 0x100;
676         }
677         spin_unlock_irqrestore(&leds_lock, flags);             
678 }
679
680 /*
681  * Event callback from the input module. Events that change the state of
682  * the hardware are processed here.
683  */
684 static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
685 {
686         struct adbhid *adbhid = input_get_drvdata(dev);
687         unsigned char leds;
688
689         switch (type) {
690         case EV_LED:
691                 leds =  (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) |
692                         (test_bit(LED_NUML,    dev->led) ? 1 : 0) |
693                         (test_bit(LED_CAPSL,   dev->led) ? 2 : 0);
694                 real_leds(leds, adbhid->id);
695                 return 0;
696         }
697
698         return -1;
699 }
700
701 static void
702 adbhid_kbd_capslock_remember(void)
703 {
704         struct adbhid *ahid;
705         int i;
706
707         for (i = 1; i < 16; i++) {
708                 ahid = adbhid[i];
709
710                 if (ahid && ahid->id == ADB_KEYBOARD)
711                         if (ahid->flags & FLAG_CAPSLOCK_TRANSLATE)
712                                 ahid->flags |= FLAG_CAPSLOCK_IGNORE_NEXT;
713         }
714 }
715
716 static int
717 adb_message_handler(struct notifier_block *this, unsigned long code, void *x)
718 {
719         switch (code) {
720         case ADB_MSG_PRE_RESET:
721         case ADB_MSG_POWERDOWN:
722                 /* Stop the repeat timer. Autopoll is already off at this point */
723                 {
724                         int i;
725                         for (i = 1; i < 16; i++) {
726                                 if (adbhid[i])
727                                         del_timer_sync(&adbhid[i]->input->timer);
728                         }
729                 }
730
731                 /* Stop pending led requests */
732                 while (leds_req_pending)
733                         adb_poll();
734
735                 /* After resume, and if the capslock LED is on, the PMU will
736                  * send a "capslock down" key event. This confuses the
737                  * restore_capslock_events logic. Remember if the capslock
738                  * LED was on before suspend so the unwanted key event can
739                  * be ignored after resume. */
740                 if (restore_capslock_events)
741                         adbhid_kbd_capslock_remember();
742
743                 break;
744
745         case ADB_MSG_POST_RESET:
746                 adbhid_probe();
747                 break;
748         }
749         return NOTIFY_DONE;
750 }
751
752 static int
753 adbhid_input_register(int id, int default_id, int original_handler_id,
754                       int current_handler_id, int mouse_kind)
755 {
756         struct adbhid *hid;
757         struct input_dev *input_dev;
758         int err;
759         int i;
760
761         if (adbhid[id]) {
762                 printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id);
763                 return -EEXIST;
764         }
765
766         adbhid[id] = hid = kzalloc(sizeof(struct adbhid), GFP_KERNEL);
767         input_dev = input_allocate_device();
768         if (!hid || !input_dev) {
769                 err = -ENOMEM;
770                 goto fail;
771         }
772
773         sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id);
774
775         hid->input = input_dev;
776         hid->id = default_id;
777         hid->original_handler_id = original_handler_id;
778         hid->current_handler_id = current_handler_id;
779         hid->mouse_kind = mouse_kind;
780         hid->flags = 0;
781         input_set_drvdata(input_dev, hid);
782         input_dev->name = hid->name;
783         input_dev->phys = hid->phys;
784         input_dev->id.bustype = BUS_ADB;
785         input_dev->id.vendor = 0x0001;
786         input_dev->id.product = (id << 12) | (default_id << 8) | original_handler_id;
787         input_dev->id.version = 0x0100;
788
789         switch (default_id) {
790         case ADB_KEYBOARD:
791                 hid->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL);
792                 if (!hid->keycode) {
793                         err = -ENOMEM;
794                         goto fail;
795                 }
796
797                 sprintf(hid->name, "ADB keyboard");
798
799                 memcpy(hid->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes));
800
801                 printk(KERN_INFO "Detected ADB keyboard, type ");
802                 switch (original_handler_id) {
803                 default:
804                         printk("<unknown>.\n");
805                         input_dev->id.version = ADB_KEYBOARD_UNKNOWN;
806                         break;
807
808                 case 0x01: case 0x02: case 0x03: case 0x06: case 0x08:
809                 case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C:
810                 case 0xC0: case 0xC3: case 0xC6:
811                         printk("ANSI.\n");
812                         input_dev->id.version = ADB_KEYBOARD_ANSI;
813                         break;
814
815                 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D:
816                 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1:
817                 case 0xC4: case 0xC7:
818                         printk("ISO, swapping keys.\n");
819                         input_dev->id.version = ADB_KEYBOARD_ISO;
820                         i = hid->keycode[10];
821                         hid->keycode[10] = hid->keycode[50];
822                         hid->keycode[50] = i;
823                         break;
824
825                 case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A:
826                 case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9:
827                         printk("JIS.\n");
828                         input_dev->id.version = ADB_KEYBOARD_JIS;
829                         break;
830                 }
831
832                 for (i = 0; i < 128; i++)
833                         if (hid->keycode[i])
834                                 set_bit(hid->keycode[i], input_dev->keybit);
835
836                 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) |
837                         BIT_MASK(EV_REP);
838                 input_dev->ledbit[0] = BIT_MASK(LED_SCROLLL) |
839                         BIT_MASK(LED_CAPSL) | BIT_MASK(LED_NUML);
840                 input_dev->event = adbhid_kbd_event;
841                 input_dev->keycodemax = KEY_FN;
842                 input_dev->keycodesize = sizeof(hid->keycode[0]);
843                 break;
844
845         case ADB_MOUSE:
846                 sprintf(hid->name, "ADB mouse");
847
848                 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
849                 input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
850                         BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
851                 input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
852                 break;
853
854         case ADB_MISC:
855                 switch (original_handler_id) {
856                 case 0x02: /* Adjustable keyboard button device */
857                         sprintf(hid->name, "ADB adjustable keyboard buttons");
858                         input_dev->evbit[0] = BIT_MASK(EV_KEY) |
859                                 BIT_MASK(EV_REP);
860                         set_bit(KEY_SOUND, input_dev->keybit);
861                         set_bit(KEY_MUTE, input_dev->keybit);
862                         set_bit(KEY_VOLUMEUP, input_dev->keybit);
863                         set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
864                         break;
865                 case 0x1f: /* Powerbook button device */
866                         sprintf(hid->name, "ADB Powerbook buttons");
867                         input_dev->evbit[0] = BIT_MASK(EV_KEY) |
868                                 BIT_MASK(EV_REP);
869                         set_bit(KEY_MUTE, input_dev->keybit);
870                         set_bit(KEY_VOLUMEUP, input_dev->keybit);
871                         set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
872                         set_bit(KEY_BRIGHTNESSUP, input_dev->keybit);
873                         set_bit(KEY_BRIGHTNESSDOWN, input_dev->keybit);
874                         set_bit(KEY_EJECTCD, input_dev->keybit);
875                         set_bit(KEY_SWITCHVIDEOMODE, input_dev->keybit);
876                         set_bit(KEY_KBDILLUMTOGGLE, input_dev->keybit);
877                         set_bit(KEY_KBDILLUMDOWN, input_dev->keybit);
878                         set_bit(KEY_KBDILLUMUP, input_dev->keybit);
879                         break;
880                 }
881                 if (hid->name[0])
882                         break;
883                 /* else fall through */
884
885         default:
886                 printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n");
887                 err = -ENODEV;
888                 goto fail;
889         }
890
891         input_dev->keycode = hid->keycode;
892
893         err = input_register_device(input_dev);
894         if (err)
895                 goto fail;
896
897         if (default_id == ADB_KEYBOARD) {
898                 /* HACK WARNING!! This should go away as soon there is an utility
899                  * to control that for event devices.
900                  */
901                 input_dev->rep[REP_DELAY] = 500;   /* input layer default: 250 */
902                 input_dev->rep[REP_PERIOD] = 66; /* input layer default: 33 */
903         }
904
905         return 0;
906
907  fail:  input_free_device(input_dev);
908         if (hid) {
909                 kfree(hid->keycode);
910                 kfree(hid);
911         }
912         adbhid[id] = NULL;
913         return err;
914 }
915
916 static void adbhid_input_unregister(int id)
917 {
918         input_unregister_device(adbhid[id]->input);
919         kfree(adbhid[id]->keycode);
920         kfree(adbhid[id]);
921         adbhid[id] = NULL;
922 }
923
924
925 static u16
926 adbhid_input_reregister(int id, int default_id, int org_handler_id,
927                         int cur_handler_id, int mk)
928 {
929         if (adbhid[id]) {
930                 if (adbhid[id]->input->id.product !=
931                     ((id << 12)|(default_id << 8)|org_handler_id)) {
932                         adbhid_input_unregister(id);
933                         adbhid_input_register(id, default_id, org_handler_id,
934                                               cur_handler_id, mk);
935                 }
936         } else
937                 adbhid_input_register(id, default_id, org_handler_id,
938                                       cur_handler_id, mk);
939         return 1<<id;
940 }
941
942 static void
943 adbhid_input_devcleanup(u16 exist)
944 {
945         int i;
946         for(i=1; i<16; i++)
947                 if (adbhid[i] && !(exist&(1<<i)))
948                         adbhid_input_unregister(i);
949 }
950
951 static void
952 adbhid_probe(void)
953 {
954         struct adb_request req;
955         int i, default_id, org_handler_id, cur_handler_id;
956         u16 reg = 0;
957
958         adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input);
959         adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input);
960         adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input);
961
962         for (i = 0; i < keyboard_ids.nids; i++) {
963                 int id = keyboard_ids.id[i];
964
965                 adb_get_infos(id, &default_id, &org_handler_id);
966
967                 /* turn off all leds */
968                 adb_request(&req, NULL, ADBREQ_SYNC, 3,
969                             ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff);
970
971                 /* Enable full feature set of the keyboard
972                    ->get it to send separate codes for left and right shift,
973                    control, option keys */
974 #if 0           /* handler 5 doesn't send separate codes for R modifiers */
975                 if (adb_try_handler_change(id, 5))
976                         printk("ADB keyboard at %d, handler set to 5\n", id);
977                 else
978 #endif
979                 if (adb_try_handler_change(id, 3))
980                         printk("ADB keyboard at %d, handler set to 3\n", id);
981                 else
982                         printk("ADB keyboard at %d, handler 1\n", id);
983
984                 adb_get_infos(id, &default_id, &cur_handler_id);
985                 reg |= adbhid_input_reregister(id, default_id, org_handler_id,
986                                                cur_handler_id, 0);
987         }
988
989         for (i = 0; i < buttons_ids.nids; i++) {
990                 int id = buttons_ids.id[i];
991
992                 adb_get_infos(id, &default_id, &org_handler_id);
993                 reg |= adbhid_input_reregister(id, default_id, org_handler_id,
994                                                org_handler_id, 0);
995         }
996
997         /* Try to switch all mice to handler 4, or 2 for three-button
998            mode and full resolution. */
999         for (i = 0; i < mouse_ids.nids; i++) {
1000                 int id = mouse_ids.id[i];
1001                 int mouse_kind;
1002
1003                 adb_get_infos(id, &default_id, &org_handler_id);
1004
1005                 if (adb_try_handler_change(id, 4)) {
1006                         printk("ADB mouse at %d, handler set to 4", id);
1007                         mouse_kind = ADBMOUSE_EXTENDED;
1008                 }
1009                 else if (adb_try_handler_change(id, 0x2F)) {
1010                         printk("ADB mouse at %d, handler set to 0x2F", id);
1011                         mouse_kind = ADBMOUSE_MICROSPEED;
1012                 }
1013                 else if (adb_try_handler_change(id, 0x42)) {
1014                         printk("ADB mouse at %d, handler set to 0x42", id);
1015                         mouse_kind = ADBMOUSE_TRACKBALLPRO;
1016                 }
1017                 else if (adb_try_handler_change(id, 0x66)) {
1018                         printk("ADB mouse at %d, handler set to 0x66", id);
1019                         mouse_kind = ADBMOUSE_MICROSPEED;
1020                 }
1021                 else if (adb_try_handler_change(id, 0x5F)) {
1022                         printk("ADB mouse at %d, handler set to 0x5F", id);
1023                         mouse_kind = ADBMOUSE_MICROSPEED;
1024                 }
1025                 else if (adb_try_handler_change(id, 3)) {
1026                         printk("ADB mouse at %d, handler set to 3", id);
1027                         mouse_kind = ADBMOUSE_MS_A3;
1028                 }
1029                 else if (adb_try_handler_change(id, 2)) {
1030                         printk("ADB mouse at %d, handler set to 2", id);
1031                         mouse_kind = ADBMOUSE_STANDARD_200;
1032                 }
1033                 else {
1034                         printk("ADB mouse at %d, handler 1", id);
1035                         mouse_kind = ADBMOUSE_STANDARD_100;
1036                 }
1037
1038                 if ((mouse_kind == ADBMOUSE_TRACKBALLPRO)
1039                     || (mouse_kind == ADBMOUSE_MICROSPEED)) {
1040                         init_microspeed(id);
1041                 } else if (mouse_kind == ADBMOUSE_MS_A3) {
1042                         init_ms_a3(id);
1043                 } else if (mouse_kind ==  ADBMOUSE_EXTENDED) {
1044                         /*
1045                          * Register 1 is usually used for device
1046                          * identification.  Here, we try to identify
1047                          * a known device and call the appropriate
1048                          * init function.
1049                          */
1050                         adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
1051                                     ADB_READREG(id, 1));
1052
1053                         if ((req.reply_len) &&
1054                             (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21)
1055                                 || (req.reply[2] == 0x20))) {
1056                                 mouse_kind = ADBMOUSE_TRACKBALL;
1057                                 init_trackball(id);
1058                         }
1059                         else if ((req.reply_len >= 4) &&
1060                             (req.reply[1] == 0x74) && (req.reply[2] == 0x70) &&
1061                             (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) {
1062                                 mouse_kind = ADBMOUSE_TRACKPAD;
1063                                 init_trackpad(id);
1064                         }
1065                         else if ((req.reply_len >= 4) &&
1066                             (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) &&
1067                             (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) {
1068                                 mouse_kind = ADBMOUSE_TURBOMOUSE5;
1069                                 init_turbomouse(id);
1070                         }
1071                         else if ((req.reply_len == 9) &&
1072                             (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) &&
1073                             (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) {
1074                                 if (adb_try_handler_change(id, 0x42)) {
1075                                         printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id);
1076                                         mouse_kind = ADBMOUSE_MACALLY2;
1077                                 }
1078                         }
1079                 }
1080                 printk("\n");
1081
1082                 adb_get_infos(id, &default_id, &cur_handler_id);
1083                 reg |= adbhid_input_reregister(id, default_id, org_handler_id,
1084                                                cur_handler_id, mouse_kind);
1085         }
1086         adbhid_input_devcleanup(reg);
1087 }
1088
1089 static void 
1090 init_trackpad(int id)
1091 {
1092         struct adb_request req;
1093         unsigned char r1_buffer[8];
1094
1095         printk(" (trackpad)");
1096
1097         adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
1098                     ADB_READREG(id,1));
1099         if (req.reply_len < 8)
1100             printk("bad length for reg. 1\n");
1101         else
1102         {
1103             memcpy(r1_buffer, &req.reply[1], 8);
1104
1105             adb_request(&req, NULL, ADBREQ_SYNC, 9,
1106                 ADB_WRITEREG(id,1),
1107                     r1_buffer[0],
1108                     r1_buffer[1],
1109                     r1_buffer[2],
1110                     r1_buffer[3],
1111                     r1_buffer[4],
1112                     r1_buffer[5],
1113                     0x0d,
1114                     r1_buffer[7]);
1115
1116             adb_request(&req, NULL, ADBREQ_SYNC, 9,
1117                 ADB_WRITEREG(id,2),
1118                     0x99,
1119                     0x94,
1120                     0x19,
1121                     0xff,
1122                     0xb2,
1123                     0x8a,
1124                     0x1b,
1125                     0x50);
1126
1127             adb_request(&req, NULL, ADBREQ_SYNC, 9,
1128                 ADB_WRITEREG(id,1),
1129                     r1_buffer[0],
1130                     r1_buffer[1],
1131                     r1_buffer[2],
1132                     r1_buffer[3],
1133                     r1_buffer[4],
1134                     r1_buffer[5],
1135                     0x03, /*r1_buffer[6],*/
1136                     r1_buffer[7]);
1137
1138             /* Without this flush, the trackpad may be locked up */
1139             adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1140         }
1141 }
1142
1143 static void 
1144 init_trackball(int id)
1145 {
1146         struct adb_request req;
1147
1148         printk(" (trackman/mouseman)");
1149
1150         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1151         ADB_WRITEREG(id,1), 00,0x81);
1152
1153         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1154         ADB_WRITEREG(id,1), 01,0x81);
1155
1156         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1157         ADB_WRITEREG(id,1), 02,0x81);
1158
1159         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1160         ADB_WRITEREG(id,1), 03,0x38);
1161
1162         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1163         ADB_WRITEREG(id,1), 00,0x81);
1164
1165         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1166         ADB_WRITEREG(id,1), 01,0x81);
1167
1168         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1169         ADB_WRITEREG(id,1), 02,0x81);
1170
1171         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1172         ADB_WRITEREG(id,1), 03,0x38);
1173 }
1174
1175 static void
1176 init_turbomouse(int id)
1177 {
1178         struct adb_request req;
1179
1180         printk(" (TurboMouse 5)");
1181
1182         adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1183
1184         adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3));
1185
1186         adb_request(&req, NULL, ADBREQ_SYNC, 9,
1187         ADB_WRITEREG(3,2),
1188             0xe7,
1189             0x8c,
1190             0,
1191             0,
1192             0,
1193             0xff,
1194             0xff,
1195             0x94);
1196
1197         adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3));
1198
1199         adb_request(&req, NULL, ADBREQ_SYNC, 9,
1200         ADB_WRITEREG(3,2),
1201             0xa5,
1202             0x14,
1203             0,
1204             0,
1205             0x69,
1206             0xff,
1207             0xff,
1208             0x27);
1209 }
1210
1211 static void
1212 init_microspeed(int id)
1213 {
1214         struct adb_request req;
1215
1216         printk(" (Microspeed/MacPoint or compatible)");
1217
1218         adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1219
1220         /* This will initialize mice using the Microspeed, MacPoint and
1221            other compatible firmware. Bit 12 enables extended protocol.
1222            
1223            Register 1 Listen (4 Bytes)
1224             0 -  3     Button is mouse (set also for double clicking!!!)
1225             4 -  7     Button is locking (affects change speed also)
1226             8 - 11     Button changes speed
1227            12          1 = Extended mouse mode, 0 = normal mouse mode
1228            13 - 15     unused 0
1229            16 - 23     normal speed
1230            24 - 31     changed speed
1231
1232        Register 1 talk holds version and product identification information.
1233        Register 1 Talk (4 Bytes):
1234             0 -  7     Product code
1235             8 - 23     undefined, reserved
1236            24 - 31     Version number
1237         
1238        Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max.
1239  */
1240         adb_request(&req, NULL, ADBREQ_SYNC, 5,
1241         ADB_WRITEREG(id,1),
1242             0x20,       /* alt speed = 0x20 (rather slow) */
1243             0x00,       /* norm speed = 0x00 (fastest) */
1244             0x10,       /* extended protocol, no speed change */
1245             0x07);      /* all buttons enabled as mouse buttons, no locking */
1246
1247
1248         adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1249 }
1250
1251 static void
1252 init_ms_a3(int id)
1253 {
1254         struct adb_request req;
1255
1256         printk(" (Mouse Systems A3 Mouse, or compatible)");
1257         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1258         ADB_WRITEREG(id, 0x2),
1259             0x00,
1260             0x07);
1261  
1262         adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1263 }
1264
1265 static int __init adbhid_init(void)
1266 {
1267 #ifndef CONFIG_MAC
1268         if (!machine_is(chrp) && !machine_is(powermac))
1269                 return 0;
1270 #endif
1271
1272         led_request.complete = 1;
1273
1274         adbhid_probe();
1275
1276         blocking_notifier_chain_register(&adb_client_list,
1277                         &adbhid_adb_notifier);
1278
1279         return 0;
1280 }
1281
1282 static void __exit adbhid_exit(void)
1283 {
1284 }
1285  
1286 module_init(adbhid_init);
1287 module_exit(adbhid_exit);