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Revert "Bluetooth: btusb: fix QCA Rome suspend/resume"
[linux/fpc-iii.git] / drivers / macintosh / adbhid.c
blobe091193104f741b724aaaf02e1a97037bf60c27f
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * drivers/macintosh/adbhid.c
4 *
5 * ADB HID driver for Power Macintosh computers.
6 *
7 * Adapted from drivers/macintosh/mac_keyb.c by Franz Sirl.
8 * drivers/macintosh/mac_keyb.c was Copyright (C) 1996 Paul Mackerras
9 * with considerable contributions from Ben Herrenschmidt and others.
10 *
11 * Copyright (C) 2000 Franz Sirl.
12 *
13 * Adapted to ADB changes and support for more devices by
14 * Benjamin Herrenschmidt. Adapted from code in MkLinux
15 * and reworked.
16 *
17 * Supported devices:
18 *
19 * - Standard 1 button mouse
20 * - All standard Apple Extended protocol (handler ID 4)
21 * - mouseman and trackman mice & trackballs
22 * - PowerBook Trackpad (default setup: enable tapping)
23 * - MicroSpeed mouse & trackball (needs testing)
24 * - CH Products Trackball Pro (needs testing)
25 * - Contour Design (Contour Mouse)
26 * - Hunter digital (NoHandsMouse)
27 * - Kensignton TurboMouse 5 (needs testing)
28 * - Mouse Systems A3 mice and trackballs <aidan@kublai.com>
29 * - MacAlly 2-buttons mouse (needs testing) <pochini@denise.shiny.it>
30 *
31 * To do:
32 *
33 * Improve Kensington support.
34 * Split mouse/kbd
35 * Move to syfs
36 */
37
38 #include <linux/module.h>
39 #include <linux/slab.h>
40 #include <linux/init.h>
41 #include <linux/notifier.h>
42 #include <linux/input.h>
43
44 #include <linux/adb.h>
45 #include <linux/cuda.h>
46 #include <linux/pmu.h>
47
48 #include <asm/machdep.h>
49 #ifdef CONFIG_PPC_PMAC
50 #include <asm/backlight.h>
51 #include <asm/pmac_feature.h>
52 #endif
53
54 MODULE_AUTHOR("Franz Sirl <Franz.Sirl-kernel@lauterbach.com>");
55
56 static int restore_capslock_events;
57 module_param(restore_capslock_events, int, 0644);
58 MODULE_PARM_DESC(restore_capslock_events,
59 "Produce keypress events for capslock on both keyup and keydown.");
60
61 #define KEYB_KEYREG 0 /* register # for key up/down data */
62 #define KEYB_LEDREG 2 /* register # for leds on ADB keyboard */
63 #define MOUSE_DATAREG 0 /* reg# for movement/button codes from mouse */
64
65 static int adb_message_handler(struct notifier_block *, unsigned long, void *);
66 static struct notifier_block adbhid_adb_notifier = {
67 .notifier_call = adb_message_handler,
68 };
69
70 /* Some special keys */
71 #define ADB_KEY_DEL 0x33
72 #define ADB_KEY_CMD 0x37
73 #define ADB_KEY_CAPSLOCK 0x39
74 #define ADB_KEY_FN 0x3f
75 #define ADB_KEY_FWDEL 0x75
76 #define ADB_KEY_POWER_OLD 0x7e
77 #define ADB_KEY_POWER 0x7f
78
79 static const u16 adb_to_linux_keycodes[128] = {
80 /* 0x00 */ KEY_A, /* 30 */
81 /* 0x01 */ KEY_S, /* 31 */
82 /* 0x02 */ KEY_D, /* 32 */
83 /* 0x03 */ KEY_F, /* 33 */
84 /* 0x04 */ KEY_H, /* 35 */
85 /* 0x05 */ KEY_G, /* 34 */
86 /* 0x06 */ KEY_Z, /* 44 */
87 /* 0x07 */ KEY_X, /* 45 */
88 /* 0x08 */ KEY_C, /* 46 */
89 /* 0x09 */ KEY_V, /* 47 */
90 /* 0x0a */ KEY_102ND, /* 86 */
91 /* 0x0b */ KEY_B, /* 48 */
92 /* 0x0c */ KEY_Q, /* 16 */
93 /* 0x0d */ KEY_W, /* 17 */
94 /* 0x0e */ KEY_E, /* 18 */
95 /* 0x0f */ KEY_R, /* 19 */
96 /* 0x10 */ KEY_Y, /* 21 */
97 /* 0x11 */ KEY_T, /* 20 */
98 /* 0x12 */ KEY_1, /* 2 */
99 /* 0x13 */ KEY_2, /* 3 */
100 /* 0x14 */ KEY_3, /* 4 */
101 /* 0x15 */ KEY_4, /* 5 */
102 /* 0x16 */ KEY_6, /* 7 */
103 /* 0x17 */ KEY_5, /* 6 */
104 /* 0x18 */ KEY_EQUAL, /* 13 */
105 /* 0x19 */ KEY_9, /* 10 */
106 /* 0x1a */ KEY_7, /* 8 */
107 /* 0x1b */ KEY_MINUS, /* 12 */
108 /* 0x1c */ KEY_8, /* 9 */
109 /* 0x1d */ KEY_0, /* 11 */
110 /* 0x1e */ KEY_RIGHTBRACE, /* 27 */
111 /* 0x1f */ KEY_O, /* 24 */
112 /* 0x20 */ KEY_U, /* 22 */
113 /* 0x21 */ KEY_LEFTBRACE, /* 26 */
114 /* 0x22 */ KEY_I, /* 23 */
115 /* 0x23 */ KEY_P, /* 25 */
116 /* 0x24 */ KEY_ENTER, /* 28 */
117 /* 0x25 */ KEY_L, /* 38 */
118 /* 0x26 */ KEY_J, /* 36 */
119 /* 0x27 */ KEY_APOSTROPHE, /* 40 */
120 /* 0x28 */ KEY_K, /* 37 */
121 /* 0x29 */ KEY_SEMICOLON, /* 39 */
122 /* 0x2a */ KEY_BACKSLASH, /* 43 */
123 /* 0x2b */ KEY_COMMA, /* 51 */
124 /* 0x2c */ KEY_SLASH, /* 53 */
125 /* 0x2d */ KEY_N, /* 49 */
126 /* 0x2e */ KEY_M, /* 50 */
127 /* 0x2f */ KEY_DOT, /* 52 */
128 /* 0x30 */ KEY_TAB, /* 15 */
129 /* 0x31 */ KEY_SPACE, /* 57 */
130 /* 0x32 */ KEY_GRAVE, /* 41 */
131 /* 0x33 */ KEY_BACKSPACE, /* 14 */
132 /* 0x34 */ KEY_KPENTER, /* 96 */
133 /* 0x35 */ KEY_ESC, /* 1 */
134 /* 0x36 */ KEY_LEFTCTRL, /* 29 */
135 /* 0x37 */ KEY_LEFTMETA, /* 125 */
136 /* 0x38 */ KEY_LEFTSHIFT, /* 42 */
137 /* 0x39 */ KEY_CAPSLOCK, /* 58 */
138 /* 0x3a */ KEY_LEFTALT, /* 56 */
139 /* 0x3b */ KEY_LEFT, /* 105 */
140 /* 0x3c */ KEY_RIGHT, /* 106 */
141 /* 0x3d */ KEY_DOWN, /* 108 */
142 /* 0x3e */ KEY_UP, /* 103 */
143 /* 0x3f */ KEY_FN, /* 0x1d0 */
144 /* 0x40 */ 0,
145 /* 0x41 */ KEY_KPDOT, /* 83 */
146 /* 0x42 */ 0,
147 /* 0x43 */ KEY_KPASTERISK, /* 55 */
148 /* 0x44 */ 0,
149 /* 0x45 */ KEY_KPPLUS, /* 78 */
150 /* 0x46 */ 0,
151 /* 0x47 */ KEY_NUMLOCK, /* 69 */
152 /* 0x48 */ 0,
153 /* 0x49 */ 0,
154 /* 0x4a */ 0,
155 /* 0x4b */ KEY_KPSLASH, /* 98 */
156 /* 0x4c */ KEY_KPENTER, /* 96 */
157 /* 0x4d */ 0,
158 /* 0x4e */ KEY_KPMINUS, /* 74 */
159 /* 0x4f */ 0,
160 /* 0x50 */ 0,
161 /* 0x51 */ KEY_KPEQUAL, /* 117 */
162 /* 0x52 */ KEY_KP0, /* 82 */
163 /* 0x53 */ KEY_KP1, /* 79 */
164 /* 0x54 */ KEY_KP2, /* 80 */
165 /* 0x55 */ KEY_KP3, /* 81 */
166 /* 0x56 */ KEY_KP4, /* 75 */
167 /* 0x57 */ KEY_KP5, /* 76 */
168 /* 0x58 */ KEY_KP6, /* 77 */
169 /* 0x59 */ KEY_KP7, /* 71 */
170 /* 0x5a */ 0,
171 /* 0x5b */ KEY_KP8, /* 72 */
172 /* 0x5c */ KEY_KP9, /* 73 */
173 /* 0x5d */ KEY_YEN, /* 124 */
174 /* 0x5e */ KEY_RO, /* 89 */
175 /* 0x5f */ KEY_KPCOMMA, /* 121 */
176 /* 0x60 */ KEY_F5, /* 63 */
177 /* 0x61 */ KEY_F6, /* 64 */
178 /* 0x62 */ KEY_F7, /* 65 */
179 /* 0x63 */ KEY_F3, /* 61 */
180 /* 0x64 */ KEY_F8, /* 66 */
181 /* 0x65 */ KEY_F9, /* 67 */
182 /* 0x66 */ KEY_HANJA, /* 123 */
183 /* 0x67 */ KEY_F11, /* 87 */
184 /* 0x68 */ KEY_HANGEUL, /* 122 */
185 /* 0x69 */ KEY_SYSRQ, /* 99 */
186 /* 0x6a */ 0,
187 /* 0x6b */ KEY_SCROLLLOCK, /* 70 */
188 /* 0x6c */ 0,
189 /* 0x6d */ KEY_F10, /* 68 */
190 /* 0x6e */ KEY_COMPOSE, /* 127 */
191 /* 0x6f */ KEY_F12, /* 88 */
192 /* 0x70 */ 0,
193 /* 0x71 */ KEY_PAUSE, /* 119 */
194 /* 0x72 */ KEY_INSERT, /* 110 */
195 /* 0x73 */ KEY_HOME, /* 102 */
196 /* 0x74 */ KEY_PAGEUP, /* 104 */
197 /* 0x75 */ KEY_DELETE, /* 111 */
198 /* 0x76 */ KEY_F4, /* 62 */
199 /* 0x77 */ KEY_END, /* 107 */
200 /* 0x78 */ KEY_F2, /* 60 */
201 /* 0x79 */ KEY_PAGEDOWN, /* 109 */
202 /* 0x7a */ KEY_F1, /* 59 */
203 /* 0x7b */ KEY_RIGHTSHIFT, /* 54 */
204 /* 0x7c */ KEY_RIGHTALT, /* 100 */
205 /* 0x7d */ KEY_RIGHTCTRL, /* 97 */
206 /* 0x7e */ KEY_RIGHTMETA, /* 126 */
207 /* 0x7f */ KEY_POWER, /* 116 */
208 };
209
210 struct adbhid {
211 struct input_dev *input;
212 int id;
213 int default_id;
214 int original_handler_id;
215 int current_handler_id;
216 int mouse_kind;
217 u16 *keycode;
218 char name[64];
219 char phys[32];
220 int flags;
221 };
222
223 #define FLAG_FN_KEY_PRESSED 0x00000001
224 #define FLAG_POWER_FROM_FN 0x00000002
225 #define FLAG_EMU_FWDEL_DOWN 0x00000004
226 #define FLAG_CAPSLOCK_TRANSLATE 0x00000008
227 #define FLAG_CAPSLOCK_DOWN 0x00000010
228 #define FLAG_CAPSLOCK_IGNORE_NEXT 0x00000020
229 #define FLAG_POWER_KEY_PRESSED 0x00000040
230
231 static struct adbhid *adbhid[16];
232
233 static void adbhid_probe(void);
234
235 static void adbhid_input_keycode(int, int, int);
236
237 static void init_trackpad(int id);
238 static void init_trackball(int id);
239 static void init_turbomouse(int id);
240 static void init_microspeed(int id);
241 static void init_ms_a3(int id);
242
243 static struct adb_ids keyboard_ids;
244 static struct adb_ids mouse_ids;
245 static struct adb_ids buttons_ids;
246
247 /* Kind of keyboard, see Apple technote 1152 */
248 #define ADB_KEYBOARD_UNKNOWN 0
249 #define ADB_KEYBOARD_ANSI 0x0100
250 #define ADB_KEYBOARD_ISO 0x0200
251 #define ADB_KEYBOARD_JIS 0x0300
252
253 /* Kind of mouse */
254 #define ADBMOUSE_STANDARD_100 0 /* Standard 100cpi mouse (handler 1) */
255 #define ADBMOUSE_STANDARD_200 1 /* Standard 200cpi mouse (handler 2) */
256 #define ADBMOUSE_EXTENDED 2 /* Apple Extended mouse (handler 4) */
257 #define ADBMOUSE_TRACKBALL 3 /* TrackBall (handler 4) */
258 #define ADBMOUSE_TRACKPAD 4 /* Apple's PowerBook trackpad (handler 4) */
259 #define ADBMOUSE_TURBOMOUSE5 5 /* Turbomouse 5 (previously req. mousehack) */
260 #define ADBMOUSE_MICROSPEED 6 /* Microspeed mouse (&trackball ?), MacPoint */
261 #define ADBMOUSE_TRACKBALLPRO 7 /* Trackball Pro (special buttons) */
262 #define ADBMOUSE_MS_A3 8 /* Mouse systems A3 trackball (handler 3) */
263 #define ADBMOUSE_MACALLY2 9 /* MacAlly 2-button mouse */
264
265 static void
266 adbhid_keyboard_input(unsigned char *data, int nb, int apoll)
267 {
268 int id = (data[0] >> 4) & 0x0f;
269
270 if (!adbhid[id]) {
271 printk(KERN_ERR "ADB HID on ID %d not yet registered, packet %#02x, %#02x, %#02x, %#02x\n",
272 id, data[0], data[1], data[2], data[3]);
273 return;
274 }
275
276 /* first check this is from register 0 */
277 if (nb != 3 || (data[0] & 3) != KEYB_KEYREG)
278 return; /* ignore it */
279 adbhid_input_keycode(id, data[1], 0);
280 if (!(data[2] == 0xff || (data[2] == 0x7f && data[1] == 0x7f)))
281 adbhid_input_keycode(id, data[2], 0);
282 }
283
284 static void
285 adbhid_input_keycode(int id, int scancode, int repeat)
286 {
287 struct adbhid *ahid = adbhid[id];
288 int keycode, up_flag, key;
289
290 keycode = scancode & 0x7f;
291 up_flag = scancode & 0x80;
292
293 if (restore_capslock_events) {
294 if (keycode == ADB_KEY_CAPSLOCK && !up_flag) {
295 /* Key pressed, turning on the CapsLock LED.
296 * The next 0xff will be interpreted as a release. */
297 if (ahid->flags & FLAG_CAPSLOCK_IGNORE_NEXT) {
298 /* Throw away this key event if it happens
299 * just after resume. */
300 ahid->flags &= ~FLAG_CAPSLOCK_IGNORE_NEXT;
301 return;
302 } else {
303 ahid->flags |= FLAG_CAPSLOCK_TRANSLATE
304 | FLAG_CAPSLOCK_DOWN;
305 }
306 } else if (scancode == 0xff &&
307 !(ahid->flags & FLAG_POWER_KEY_PRESSED)) {
308 /* Scancode 0xff usually signifies that the capslock
309 * key was either pressed or released, or that the
310 * power button was released. */
311 if (ahid->flags & FLAG_CAPSLOCK_TRANSLATE) {
312 keycode = ADB_KEY_CAPSLOCK;
313 if (ahid->flags & FLAG_CAPSLOCK_DOWN) {
314 /* Key released */
315 up_flag = 1;
316 ahid->flags &= ~FLAG_CAPSLOCK_DOWN;
317 } else {
318 /* Key pressed */
319 up_flag = 0;
320 ahid->flags &= ~FLAG_CAPSLOCK_TRANSLATE;
321 }
322 } else {
323 printk(KERN_INFO "Spurious caps lock event "
324 "(scancode 0xff).\n");
325 }
326 }
327 }
328
329 switch (keycode) {
330 case ADB_KEY_CAPSLOCK:
331 if (!restore_capslock_events) {
332 /* Generate down/up events for CapsLock every time. */
333 input_report_key(ahid->input, KEY_CAPSLOCK, 1);
334 input_sync(ahid->input);
335 input_report_key(ahid->input, KEY_CAPSLOCK, 0);
336 input_sync(ahid->input);
337 return;
338 }
339 break;
340 #ifdef CONFIG_PPC_PMAC
341 case ADB_KEY_POWER_OLD: /* Power key on PBook 3400 needs remapping */
342 switch(pmac_call_feature(PMAC_FTR_GET_MB_INFO,
343 NULL, PMAC_MB_INFO_MODEL, 0)) {
344 case PMAC_TYPE_COMET:
345 case PMAC_TYPE_HOOPER:
346 case PMAC_TYPE_KANGA:
347 keycode = ADB_KEY_POWER;
348 }
349 break;
350 case ADB_KEY_POWER:
351 /* Keep track of the power key state */
352 if (up_flag)
353 ahid->flags &= ~FLAG_POWER_KEY_PRESSED;
354 else
355 ahid->flags |= FLAG_POWER_KEY_PRESSED;
356
357 /* Fn + Command will produce a bogus "power" keycode */
358 if (ahid->flags & FLAG_FN_KEY_PRESSED) {
359 keycode = ADB_KEY_CMD;
360 if (up_flag)
361 ahid->flags &= ~FLAG_POWER_FROM_FN;
362 else
363 ahid->flags |= FLAG_POWER_FROM_FN;
364 } else if (ahid->flags & FLAG_POWER_FROM_FN) {
365 keycode = ADB_KEY_CMD;
366 ahid->flags &= ~FLAG_POWER_FROM_FN;
367 }
368 break;
369 case ADB_KEY_FN:
370 /* Keep track of the Fn key state */
371 if (up_flag) {
372 ahid->flags &= ~FLAG_FN_KEY_PRESSED;
373 /* Emulate Fn+delete = forward delete */
374 if (ahid->flags & FLAG_EMU_FWDEL_DOWN) {
375 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN;
376 keycode = ADB_KEY_FWDEL;
377 break;
378 }
379 } else
380 ahid->flags |= FLAG_FN_KEY_PRESSED;
381 break;
382 case ADB_KEY_DEL:
383 /* Emulate Fn+delete = forward delete */
384 if (ahid->flags & FLAG_FN_KEY_PRESSED) {
385 keycode = ADB_KEY_FWDEL;
386 if (up_flag)
387 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN;
388 else
389 ahid->flags |= FLAG_EMU_FWDEL_DOWN;
390 }
391 break;
392 #endif /* CONFIG_PPC_PMAC */
393 }
394
395 key = adbhid[id]->keycode[keycode];
396 if (key) {
397 input_report_key(adbhid[id]->input, key, !up_flag);
398 input_sync(adbhid[id]->input);
399 } else
400 printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode,
401 up_flag ? "released" : "pressed");
402
403 }
404
405 static void
406 adbhid_mouse_input(unsigned char *data, int nb, int autopoll)
407 {
408 int id = (data[0] >> 4) & 0x0f;
409
410 if (!adbhid[id]) {
411 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id);
412 return;
413 }
414
415 /*
416 Handler 1 -- 100cpi original Apple mouse protocol.
417 Handler 2 -- 200cpi original Apple mouse protocol.
418
419 For Apple's standard one-button mouse protocol the data array will
420 contain the following values:
421
422 BITS COMMENTS
423 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
424 data[1] = bxxx xxxx First button and x-axis motion.
425 data[2] = byyy yyyy Second button and y-axis motion.
426
427 Handler 4 -- Apple Extended mouse protocol.
428
429 For Apple's 3-button mouse protocol the data array will contain the
430 following values:
431
432 BITS COMMENTS
433 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
434 data[1] = bxxx xxxx Left button and x-axis motion.
435 data[2] = byyy yyyy Second button and y-axis motion.
436 data[3] = byyy bxxx Third button and fourth button. Y is additional
437 high bits of y-axis motion. XY is additional
438 high bits of x-axis motion.
439
440 MacAlly 2-button mouse protocol.
441
442 For MacAlly 2-button mouse protocol the data array will contain the
443 following values:
444
445 BITS COMMENTS
446 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
447 data[1] = bxxx xxxx Left button and x-axis motion.
448 data[2] = byyy yyyy Right button and y-axis motion.
449 data[3] = ???? ???? unknown
450 data[4] = ???? ???? unknown
451
452 */
453
454 /* If it's a trackpad, we alias the second button to the first.
455 NOTE: Apple sends an ADB flush command to the trackpad when
456 the first (the real) button is released. We could do
457 this here using async flush requests.
458 */
459 switch (adbhid[id]->mouse_kind)
460 {
461 case ADBMOUSE_TRACKPAD:
462 data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80);
463 data[2] = data[2] | 0x80;
464 break;
465 case ADBMOUSE_MICROSPEED:
466 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7);
467 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6);
468 data[3] = (data[3] & 0x77) | ((data[3] & 0x04) << 5)
469 | (data[3] & 0x08);
470 break;
471 case ADBMOUSE_TRACKBALLPRO:
472 data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5)
473 & ((data[3] & 0x08) << 4));
474 data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7);
475 data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6);
476 break;
477 case ADBMOUSE_MS_A3:
478 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7);
479 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6);
480 data[3] = ((data[3] & 0x04) << 5);
481 break;
482 case ADBMOUSE_MACALLY2:
483 data[3] = (data[2] & 0x80) ? 0x80 : 0x00;
484 data[2] |= 0x80; /* Right button is mapped as button 3 */
485 nb=4;
486 break;
487 }
488
489 input_report_key(adbhid[id]->input, BTN_LEFT, !((data[1] >> 7) & 1));
490 input_report_key(adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1));
491
492 if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD)
493 input_report_key(adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1));
494
495 input_report_rel(adbhid[id]->input, REL_X,
496 ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 ));
497 input_report_rel(adbhid[id]->input, REL_Y,
498 ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 ));
499
500 input_sync(adbhid[id]->input);
501 }
502
503 static void
504 adbhid_buttons_input(unsigned char *data, int nb, int autopoll)
505 {
506 int id = (data[0] >> 4) & 0x0f;
507
508 if (!adbhid[id]) {
509 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id);
510 return;
511 }
512
513 switch (adbhid[id]->original_handler_id) {
514 default:
515 case 0x02: /* Adjustable keyboard button device */
516 {
517 int down = (data[1] == (data[1] & 0xf));
518
519 switch (data[1] & 0x0f) {
520 case 0x0: /* microphone */
521 input_report_key(adbhid[id]->input, KEY_SOUND, down);
522 break;
523
524 case 0x1: /* mute */
525 input_report_key(adbhid[id]->input, KEY_MUTE, down);
526 break;
527
528 case 0x2: /* volume decrease */
529 input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down);
530 break;
531
532 case 0x3: /* volume increase */
533 input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down);
534 break;
535
536 default:
537 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
538 data[0], data[1], data[2], data[3]);
539 break;
540 }
541 }
542 break;
543
544 case 0x1f: /* Powerbook button device */
545 {
546 int down = (data[1] == (data[1] & 0xf));
547
548 /*
549 * XXX: Where is the contrast control for the passive?
550 * -- Cort
551 */
552
553 switch (data[1] & 0x0f) {
554 case 0x8: /* mute */
555 input_report_key(adbhid[id]->input, KEY_MUTE, down);
556 break;
557
558 case 0x7: /* volume decrease */
559 input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down);
560 break;
561
562 case 0x6: /* volume increase */
563 input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down);
564 break;
565
566 case 0xb: /* eject */
567 input_report_key(adbhid[id]->input, KEY_EJECTCD, down);
568 break;
569
570 case 0xa: /* brightness decrease */
571 #ifdef CONFIG_PMAC_BACKLIGHT
572 if (down)
573 pmac_backlight_key_down();
574 #endif
575 input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down);
576 break;
577
578 case 0x9: /* brightness increase */
579 #ifdef CONFIG_PMAC_BACKLIGHT
580 if (down)
581 pmac_backlight_key_up();
582 #endif
583 input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down);
584 break;
585
586 case 0xc: /* videomode switch */
587 input_report_key(adbhid[id]->input, KEY_SWITCHVIDEOMODE, down);
588 break;
589
590 case 0xd: /* keyboard illumination toggle */
591 input_report_key(adbhid[id]->input, KEY_KBDILLUMTOGGLE, down);
592 break;
593
594 case 0xe: /* keyboard illumination decrease */
595 input_report_key(adbhid[id]->input, KEY_KBDILLUMDOWN, down);
596 break;
597
598 case 0xf:
599 switch (data[1]) {
600 case 0x8f:
601 case 0x0f:
602 /* keyboard illumination increase */
603 input_report_key(adbhid[id]->input, KEY_KBDILLUMUP, down);
604 break;
605
606 case 0x7f:
607 case 0xff:
608 /* keypad overlay toogle */
609 break;
610
611 default:
612 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
613 data[0], data[1], data[2], data[3]);
614 break;
615 }
616 break;
617 default:
618 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
619 data[0], data[1], data[2], data[3]);
620 break;
621 }
622 }
623 break;
624 }
625
626 input_sync(adbhid[id]->input);
627 }
628
629 static struct adb_request led_request;
630 static int leds_pending[16];
631 static int leds_req_pending;
632 static int pending_devs[16];
633 static int pending_led_start;
634 static int pending_led_end;
635 static DEFINE_SPINLOCK(leds_lock);
636
637 static void leds_done(struct adb_request *req)
638 {
639 int leds = 0, device = 0, pending = 0;
640 unsigned long flags;
641
642 spin_lock_irqsave(&leds_lock, flags);
643
644 if (pending_led_start != pending_led_end) {
645 device = pending_devs[pending_led_start];
646 leds = leds_pending[device] & 0xff;
647 leds_pending[device] = 0;
648 pending_led_start++;
649 pending_led_start = (pending_led_start < 16) ? pending_led_start : 0;
650 pending = leds_req_pending;
651 } else
652 leds_req_pending = 0;
653 spin_unlock_irqrestore(&leds_lock, flags);
654 if (pending)
655 adb_request(&led_request, leds_done, 0, 3,
656 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds);
657 }
658
659 static void real_leds(unsigned char leds, int device)
660 {
661 unsigned long flags;
662
663 spin_lock_irqsave(&leds_lock, flags);
664 if (!leds_req_pending) {
665 leds_req_pending = 1;
666 spin_unlock_irqrestore(&leds_lock, flags);
667 adb_request(&led_request, leds_done, 0, 3,
668 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds);
669 return;
670 } else {
671 if (!(leds_pending[device] & 0x100)) {
672 pending_devs[pending_led_end] = device;
673 pending_led_end++;
674 pending_led_end = (pending_led_end < 16) ? pending_led_end : 0;
675 }
676 leds_pending[device] = leds | 0x100;
677 }
678 spin_unlock_irqrestore(&leds_lock, flags);
679 }
680
681 /*
682 * Event callback from the input module. Events that change the state of
683 * the hardware are processed here.
684 */
685 static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
686 {
687 struct adbhid *adbhid = input_get_drvdata(dev);
688 unsigned char leds;
689
690 switch (type) {
691 case EV_LED:
692 leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) |
693 (test_bit(LED_NUML, dev->led) ? 1 : 0) |
694 (test_bit(LED_CAPSL, dev->led) ? 2 : 0);
695 real_leds(leds, adbhid->id);
696 return 0;
697 }
698
699 return -1;
700 }
701
702 static void
703 adbhid_kbd_capslock_remember(void)
704 {
705 struct adbhid *ahid;
706 int i;
707
708 for (i = 1; i < 16; i++) {
709 ahid = adbhid[i];
710
711 if (ahid && ahid->id == ADB_KEYBOARD)
712 if (ahid->flags & FLAG_CAPSLOCK_TRANSLATE)
713 ahid->flags |= FLAG_CAPSLOCK_IGNORE_NEXT;
714 }
715 }
716
717 static int
718 adb_message_handler(struct notifier_block *this, unsigned long code, void *x)
719 {
720 switch (code) {
721 case ADB_MSG_PRE_RESET:
722 case ADB_MSG_POWERDOWN:
723 /* Stop the repeat timer. Autopoll is already off at this point */
724 {
725 int i;
726 for (i = 1; i < 16; i++) {
727 if (adbhid[i])
728 del_timer_sync(&adbhid[i]->input->timer);
729 }
730 }
731
732 /* Stop pending led requests */
733 while (leds_req_pending)
734 adb_poll();
735
736 /* After resume, and if the capslock LED is on, the PMU will
737 * send a "capslock down" key event. This confuses the
738 * restore_capslock_events logic. Remember if the capslock
739 * LED was on before suspend so the unwanted key event can
740 * be ignored after resume. */
741 if (restore_capslock_events)
742 adbhid_kbd_capslock_remember();
743
744 break;
745
746 case ADB_MSG_POST_RESET:
747 adbhid_probe();
748 break;
749 }
750 return NOTIFY_DONE;
751 }
752
753 static int
754 adbhid_input_register(int id, int default_id, int original_handler_id,
755 int current_handler_id, int mouse_kind)
756 {
757 struct adbhid *hid;
758 struct input_dev *input_dev;
759 int err;
760 int i;
761
762 if (adbhid[id]) {
763 printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id);
764 return -EEXIST;
765 }
766
767 adbhid[id] = hid = kzalloc(sizeof(struct adbhid), GFP_KERNEL);
768 input_dev = input_allocate_device();
769 if (!hid || !input_dev) {
770 err = -ENOMEM;
771 goto fail;
772 }
773
774 sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id);
775
776 hid->input = input_dev;
777 hid->id = default_id;
778 hid->original_handler_id = original_handler_id;
779 hid->current_handler_id = current_handler_id;
780 hid->mouse_kind = mouse_kind;
781 hid->flags = 0;
782 input_set_drvdata(input_dev, hid);
783 input_dev->name = hid->name;
784 input_dev->phys = hid->phys;
785 input_dev->id.bustype = BUS_ADB;
786 input_dev->id.vendor = 0x0001;
787 input_dev->id.product = (id << 12) | (default_id << 8) | original_handler_id;
788 input_dev->id.version = 0x0100;
789
790 switch (default_id) {
791 case ADB_KEYBOARD:
792 hid->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL);
793 if (!hid->keycode) {
794 err = -ENOMEM;
795 goto fail;
796 }
797
798 sprintf(hid->name, "ADB keyboard");
799
800 memcpy(hid->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes));
801
802 printk(KERN_INFO "Detected ADB keyboard, type ");
803 switch (original_handler_id) {
804 default:
805 printk("<unknown>.\n");
806 input_dev->id.version = ADB_KEYBOARD_UNKNOWN;
807 break;
808
809 case 0x01: case 0x02: case 0x03: case 0x06: case 0x08:
810 case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C:
811 case 0xC0: case 0xC3: case 0xC6:
812 printk("ANSI.\n");
813 input_dev->id.version = ADB_KEYBOARD_ANSI;
814 break;
815
816 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D:
817 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1:
818 case 0xC4: case 0xC7:
819 printk("ISO, swapping keys.\n");
820 input_dev->id.version = ADB_KEYBOARD_ISO;
821 i = hid->keycode[10];
822 hid->keycode[10] = hid->keycode[50];
823 hid->keycode[50] = i;
824 break;
825
826 case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A:
827 case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9:
828 printk("JIS.\n");
829 input_dev->id.version = ADB_KEYBOARD_JIS;
830 break;
831 }
832
833 for (i = 0; i < 128; i++)
834 if (hid->keycode[i])
835 set_bit(hid->keycode[i], input_dev->keybit);
836
837 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) |
838 BIT_MASK(EV_REP);
839 input_dev->ledbit[0] = BIT_MASK(LED_SCROLLL) |
840 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_NUML);
841 input_dev->event = adbhid_kbd_event;
842 input_dev->keycodemax = KEY_FN;
843 input_dev->keycodesize = sizeof(hid->keycode[0]);
844 break;
845
846 case ADB_MOUSE:
847 sprintf(hid->name, "ADB mouse");
848
849 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
850 input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) |
851 BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT);
852 input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y);
853 break;
854
855 case ADB_MISC:
856 switch (original_handler_id) {
857 case 0x02: /* Adjustable keyboard button device */
858 sprintf(hid->name, "ADB adjustable keyboard buttons");
859 input_dev->evbit[0] = BIT_MASK(EV_KEY) |
860 BIT_MASK(EV_REP);
861 set_bit(KEY_SOUND, input_dev->keybit);
862 set_bit(KEY_MUTE, input_dev->keybit);
863 set_bit(KEY_VOLUMEUP, input_dev->keybit);
864 set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
865 break;
866 case 0x1f: /* Powerbook button device */
867 sprintf(hid->name, "ADB Powerbook buttons");
868 input_dev->evbit[0] = BIT_MASK(EV_KEY) |
869 BIT_MASK(EV_REP);
870 set_bit(KEY_MUTE, input_dev->keybit);
871 set_bit(KEY_VOLUMEUP, input_dev->keybit);
872 set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
873 set_bit(KEY_BRIGHTNESSUP, input_dev->keybit);
874 set_bit(KEY_BRIGHTNESSDOWN, input_dev->keybit);
875 set_bit(KEY_EJECTCD, input_dev->keybit);
876 set_bit(KEY_SWITCHVIDEOMODE, input_dev->keybit);
877 set_bit(KEY_KBDILLUMTOGGLE, input_dev->keybit);
878 set_bit(KEY_KBDILLUMDOWN, input_dev->keybit);
879 set_bit(KEY_KBDILLUMUP, input_dev->keybit);
880 break;
881 }
882 if (hid->name[0])
883 break;
884 /* else fall through */
885
886 default:
887 printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n");
888 err = -ENODEV;
889 goto fail;
890 }
891
892 input_dev->keycode = hid->keycode;
893
894 err = input_register_device(input_dev);
895 if (err)
896 goto fail;
897
898 if (default_id == ADB_KEYBOARD) {
899 /* HACK WARNING!! This should go away as soon there is an utility
900 * to control that for event devices.
901 */
902 input_dev->rep[REP_DELAY] = 500; /* input layer default: 250 */
903 input_dev->rep[REP_PERIOD] = 66; /* input layer default: 33 */
904 }
905
906 return 0;
907
908 fail: input_free_device(input_dev);
909 if (hid) {
910 kfree(hid->keycode);
911 kfree(hid);
912 }
913 adbhid[id] = NULL;
914 return err;
915 }
916
917 static void adbhid_input_unregister(int id)
918 {
919 input_unregister_device(adbhid[id]->input);
920 kfree(adbhid[id]->keycode);
921 kfree(adbhid[id]);
922 adbhid[id] = NULL;
923 }
924
925
926 static u16
927 adbhid_input_reregister(int id, int default_id, int org_handler_id,
928 int cur_handler_id, int mk)
929 {
930 if (adbhid[id]) {
931 if (adbhid[id]->input->id.product !=
932 ((id << 12)|(default_id << 8)|org_handler_id)) {
933 adbhid_input_unregister(id);
934 adbhid_input_register(id, default_id, org_handler_id,
935 cur_handler_id, mk);
936 }
937 } else
938 adbhid_input_register(id, default_id, org_handler_id,
939 cur_handler_id, mk);
940 return 1<<id;
941 }
942
943 static void
944 adbhid_input_devcleanup(u16 exist)
945 {
946 int i;
947 for(i=1; i<16; i++)
948 if (adbhid[i] && !(exist&(1<<i)))
949 adbhid_input_unregister(i);
950 }
951
952 static void
953 adbhid_probe(void)
954 {
955 struct adb_request req;
956 int i, default_id, org_handler_id, cur_handler_id;
957 u16 reg = 0;
958
959 adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input);
960 adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input);
961 adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input);
962
963 for (i = 0; i < keyboard_ids.nids; i++) {
964 int id = keyboard_ids.id[i];
965
966 adb_get_infos(id, &default_id, &org_handler_id);
967
968 /* turn off all leds */
969 adb_request(&req, NULL, ADBREQ_SYNC, 3,
970 ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff);
971
972 /* Enable full feature set of the keyboard
973 ->get it to send separate codes for left and right shift,
974 control, option keys */
975 #if 0 /* handler 5 doesn't send separate codes for R modifiers */
976 if (adb_try_handler_change(id, 5))
977 printk("ADB keyboard at %d, handler set to 5\n", id);
978 else
979 #endif
980 if (adb_try_handler_change(id, 3))
981 printk("ADB keyboard at %d, handler set to 3\n", id);
982 else
983 printk("ADB keyboard at %d, handler 1\n", id);
984
985 adb_get_infos(id, &default_id, &cur_handler_id);
986 reg |= adbhid_input_reregister(id, default_id, org_handler_id,
987 cur_handler_id, 0);
988 }
989
990 for (i = 0; i < buttons_ids.nids; i++) {
991 int id = buttons_ids.id[i];
992
993 adb_get_infos(id, &default_id, &org_handler_id);
994 reg |= adbhid_input_reregister(id, default_id, org_handler_id,
995 org_handler_id, 0);
996 }
997
998 /* Try to switch all mice to handler 4, or 2 for three-button
999 mode and full resolution. */
1000 for (i = 0; i < mouse_ids.nids; i++) {
1001 int id = mouse_ids.id[i];
1002 int mouse_kind;
1003
1004 adb_get_infos(id, &default_id, &org_handler_id);
1005
1006 if (adb_try_handler_change(id, 4)) {
1007 printk("ADB mouse at %d, handler set to 4", id);
1008 mouse_kind = ADBMOUSE_EXTENDED;
1009 }
1010 else if (adb_try_handler_change(id, 0x2F)) {
1011 printk("ADB mouse at %d, handler set to 0x2F", id);
1012 mouse_kind = ADBMOUSE_MICROSPEED;
1013 }
1014 else if (adb_try_handler_change(id, 0x42)) {
1015 printk("ADB mouse at %d, handler set to 0x42", id);
1016 mouse_kind = ADBMOUSE_TRACKBALLPRO;
1017 }
1018 else if (adb_try_handler_change(id, 0x66)) {
1019 printk("ADB mouse at %d, handler set to 0x66", id);
1020 mouse_kind = ADBMOUSE_MICROSPEED;
1021 }
1022 else if (adb_try_handler_change(id, 0x5F)) {
1023 printk("ADB mouse at %d, handler set to 0x5F", id);
1024 mouse_kind = ADBMOUSE_MICROSPEED;
1025 }
1026 else if (adb_try_handler_change(id, 3)) {
1027 printk("ADB mouse at %d, handler set to 3", id);
1028 mouse_kind = ADBMOUSE_MS_A3;
1029 }
1030 else if (adb_try_handler_change(id, 2)) {
1031 printk("ADB mouse at %d, handler set to 2", id);
1032 mouse_kind = ADBMOUSE_STANDARD_200;
1033 }
1034 else {
1035 printk("ADB mouse at %d, handler 1", id);
1036 mouse_kind = ADBMOUSE_STANDARD_100;
1037 }
1038
1039 if ((mouse_kind == ADBMOUSE_TRACKBALLPRO)
1040 || (mouse_kind == ADBMOUSE_MICROSPEED)) {
1041 init_microspeed(id);
1042 } else if (mouse_kind == ADBMOUSE_MS_A3) {
1043 init_ms_a3(id);
1044 } else if (mouse_kind == ADBMOUSE_EXTENDED) {
1045 /*
1046 * Register 1 is usually used for device
1047 * identification. Here, we try to identify
1048 * a known device and call the appropriate
1049 * init function.
1050 */
1051 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
1052 ADB_READREG(id, 1));
1053
1054 if ((req.reply_len) &&
1055 (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21)
1056 || (req.reply[2] == 0x20))) {
1057 mouse_kind = ADBMOUSE_TRACKBALL;
1058 init_trackball(id);
1059 }
1060 else if ((req.reply_len >= 4) &&
1061 (req.reply[1] == 0x74) && (req.reply[2] == 0x70) &&
1062 (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) {
1063 mouse_kind = ADBMOUSE_TRACKPAD;
1064 init_trackpad(id);
1065 }
1066 else if ((req.reply_len >= 4) &&
1067 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) &&
1068 (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) {
1069 mouse_kind = ADBMOUSE_TURBOMOUSE5;
1070 init_turbomouse(id);
1071 }
1072 else if ((req.reply_len == 9) &&
1073 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) &&
1074 (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) {
1075 if (adb_try_handler_change(id, 0x42)) {
1076 printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id);
1077 mouse_kind = ADBMOUSE_MACALLY2;
1078 }
1079 }
1080 }
1081 printk("\n");
1082
1083 adb_get_infos(id, &default_id, &cur_handler_id);
1084 reg |= adbhid_input_reregister(id, default_id, org_handler_id,
1085 cur_handler_id, mouse_kind);
1086 }
1087 adbhid_input_devcleanup(reg);
1088 }
1089
1090 static void
1091 init_trackpad(int id)
1092 {
1093 struct adb_request req;
1094 unsigned char r1_buffer[8];
1095
1096 printk(" (trackpad)");
1097
1098 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
1099 ADB_READREG(id,1));
1100 if (req.reply_len < 8)
1101 printk("bad length for reg. 1\n");
1102 else
1103 {
1104 memcpy(r1_buffer, &req.reply[1], 8);
1105
1106 adb_request(&req, NULL, ADBREQ_SYNC, 9,
1107 ADB_WRITEREG(id,1),
1108 r1_buffer[0],
1109 r1_buffer[1],
1110 r1_buffer[2],
1111 r1_buffer[3],
1112 r1_buffer[4],
1113 r1_buffer[5],
1114 0x0d,
1115 r1_buffer[7]);
1116
1117 adb_request(&req, NULL, ADBREQ_SYNC, 9,
1118 ADB_WRITEREG(id,2),
1119 0x99,
1120 0x94,
1121 0x19,
1122 0xff,
1123 0xb2,
1124 0x8a,
1125 0x1b,
1126 0x50);
1127
1128 adb_request(&req, NULL, ADBREQ_SYNC, 9,
1129 ADB_WRITEREG(id,1),
1130 r1_buffer[0],
1131 r1_buffer[1],
1132 r1_buffer[2],
1133 r1_buffer[3],
1134 r1_buffer[4],
1135 r1_buffer[5],
1136 0x03, /*r1_buffer[6],*/
1137 r1_buffer[7]);
1138
1139 /* Without this flush, the trackpad may be locked up */
1140 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1141 }
1142 }
1143
1144 static void
1145 init_trackball(int id)
1146 {
1147 struct adb_request req;
1148
1149 printk(" (trackman/mouseman)");
1150
1151 adb_request(&req, NULL, ADBREQ_SYNC, 3,
1152 ADB_WRITEREG(id,1), 00,0x81);
1153
1154 adb_request(&req, NULL, ADBREQ_SYNC, 3,
1155 ADB_WRITEREG(id,1), 01,0x81);
1156
1157 adb_request(&req, NULL, ADBREQ_SYNC, 3,
1158 ADB_WRITEREG(id,1), 02,0x81);
1159
1160 adb_request(&req, NULL, ADBREQ_SYNC, 3,
1161 ADB_WRITEREG(id,1), 03,0x38);
1162
1163 adb_request(&req, NULL, ADBREQ_SYNC, 3,
1164 ADB_WRITEREG(id,1), 00,0x81);
1165
1166 adb_request(&req, NULL, ADBREQ_SYNC, 3,
1167 ADB_WRITEREG(id,1), 01,0x81);
1168
1169 adb_request(&req, NULL, ADBREQ_SYNC, 3,
1170 ADB_WRITEREG(id,1), 02,0x81);
1171
1172 adb_request(&req, NULL, ADBREQ_SYNC, 3,
1173 ADB_WRITEREG(id,1), 03,0x38);
1174 }
1175
1176 static void
1177 init_turbomouse(int id)
1178 {
1179 struct adb_request req;
1180
1181 printk(" (TurboMouse 5)");
1182
1183 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1184
1185 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3));
1186
1187 adb_request(&req, NULL, ADBREQ_SYNC, 9,
1188 ADB_WRITEREG(3,2),
1189 0xe7,
1190 0x8c,
1191 0,
1192 0,
1193 0,
1194 0xff,
1195 0xff,
1196 0x94);
1197
1198 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3));
1199
1200 adb_request(&req, NULL, ADBREQ_SYNC, 9,
1201 ADB_WRITEREG(3,2),
1202 0xa5,
1203 0x14,
1204 0,
1205 0,
1206 0x69,
1207 0xff,
1208 0xff,
1209 0x27);
1210 }
1211
1212 static void
1213 init_microspeed(int id)
1214 {
1215 struct adb_request req;
1216
1217 printk(" (Microspeed/MacPoint or compatible)");
1218
1219 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1220
1221 /* This will initialize mice using the Microspeed, MacPoint and
1222 other compatible firmware. Bit 12 enables extended protocol.
1223
1224 Register 1 Listen (4 Bytes)
1225 0 - 3 Button is mouse (set also for double clicking!!!)
1226 4 - 7 Button is locking (affects change speed also)
1227 8 - 11 Button changes speed
1228 12 1 = Extended mouse mode, 0 = normal mouse mode
1229 13 - 15 unused 0
1230 16 - 23 normal speed
1231 24 - 31 changed speed
1232
1233 Register 1 talk holds version and product identification information.
1234 Register 1 Talk (4 Bytes):
1235 0 - 7 Product code
1236 8 - 23 undefined, reserved
1237 24 - 31 Version number
1238
1239 Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max.
1240 */
1241 adb_request(&req, NULL, ADBREQ_SYNC, 5,
1242 ADB_WRITEREG(id,1),
1243 0x20, /* alt speed = 0x20 (rather slow) */
1244 0x00, /* norm speed = 0x00 (fastest) */
1245 0x10, /* extended protocol, no speed change */
1246 0x07); /* all buttons enabled as mouse buttons, no locking */
1247
1248
1249 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1250 }
1251
1252 static void
1253 init_ms_a3(int id)
1254 {
1255 struct adb_request req;
1256
1257 printk(" (Mouse Systems A3 Mouse, or compatible)");
1258 adb_request(&req, NULL, ADBREQ_SYNC, 3,
1259 ADB_WRITEREG(id, 0x2),
1260 0x00,
1261 0x07);
1262
1263 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1264 }
1265
1266 static int __init adbhid_init(void)
1267 {
1268 #ifndef CONFIG_MAC
1269 if (!machine_is(chrp) && !machine_is(powermac))
1270 return 0;
1271 #endif
1272
1273 led_request.complete = 1;
1274
1275 adbhid_probe();
1276
1277 blocking_notifier_chain_register(&adb_client_list,
1278 &adbhid_adb_notifier);
1279
1280 return 0;
1281 }
1282
1283 static void __exit adbhid_exit(void)
1284 {
1285 }
1286
1287 module_init(adbhid_init);
1288 module_exit(adbhid_exit);
Linux with added FPC-III support