File: /usr/src/linux/drivers/macintosh/adbhid.c
1 /*
2 * drivers/input/adbhid.c
3 *
4 * ADB HID driver for Power Macintosh computers.
5 *
6 * Adapted from drivers/macintosh/mac_keyb.c by Franz Sirl
7 * (see that file for its authors and contributors).
8 *
9 * Copyright (C) 2000 Franz Sirl.
10 *
11 * Adapted to ADB changes and support for more devices by
12 * Benjamin Herrenschmidt. Adapted from code in MkLinux
13 * and reworked.
14 *
15 * Supported devices:
16 *
17 * - Standard 1 button mouse
18 * - All standard Apple Extended protocol (handler ID 4)
19 * - mouseman and trackman mice & trackballs
20 * - PowerBook Trackpad (default setup: enable tapping)
21 * - MicroSpeed mouse & trackball (needs testing)
22 * - CH Products Trackball Pro (needs testing)
23 * - Contour Design (Contour Mouse)
24 * - Hunter digital (NoHandsMouse)
25 * - Kensignton TurboMouse 5 (needs testing)
26 * - Mouse Systems A3 mice and trackballs <aidan@kublai.com>
27 * - MacAlly 2-buttons mouse (needs testing) <pochini@denise.shiny.it>
28 *
29 * To do:
30 *
31 * Improve Kensington support.
32 */
33
34 #include <linux/config.h>
35 #include <linux/module.h>
36 #include <linux/slab.h>
37 #include <linux/init.h>
38 #include <linux/notifier.h>
39 #include <linux/input.h>
40 #include <linux/kbd_ll.h>
41
42 #include <linux/adb.h>
43 #include <linux/cuda.h>
44 #include <linux/pmu.h>
45 #ifdef CONFIG_PMAC_BACKLIGHT
46 #include <asm/backlight.h>
47 #endif
48
49 MODULE_AUTHOR("Franz Sirl <Franz.Sirl-kernel@lauterbach.com>");
50
51 #define KEYB_KEYREG 0 /* register # for key up/down data */
52 #define KEYB_LEDREG 2 /* register # for leds on ADB keyboard */
53 #define MOUSE_DATAREG 0 /* reg# for movement/button codes from mouse */
54
55 static int adb_message_handler(struct notifier_block *, unsigned long, void *);
56 static struct notifier_block adbhid_adb_notifier = {
57 notifier_call: adb_message_handler,
58 };
59
60 unsigned char adb_to_linux_keycodes[128] = {
61 30, 31, 32, 33, 35, 34, 44, 45, 46, 47, 86, 48, 16, 17, 18, 19,
62 21, 20, 2, 3, 4, 5, 7, 6, 13, 10, 8, 12, 9, 11, 27, 24,
63 22, 26, 23, 25, 28, 38, 36, 40, 37, 39, 43, 51, 53, 49, 50, 52,
64 15, 57, 41, 14, 96, 1, 29,125, 42, 58, 56,105,106,108,103, 0,
65 0, 83, 0, 55, 0, 78, 0, 69, 0, 0, 0, 98, 96, 0, 74, 0,
66 0,117, 82, 79, 80, 81, 75, 76, 77, 71, 0, 72, 73,183,181,124,
67 63, 64, 65, 61, 66, 67,191, 87,190, 99, 0, 70, 0, 68,101, 88,
68 0,119,110,102,104,111, 62,107, 60,109, 59, 54,100, 97,116,116
69 };
70
71 struct adbhid {
72 struct input_dev input;
73 int id;
74 int default_id;
75 int original_handler_id;
76 int current_handler_id;
77 int mouse_kind;
78 unsigned char *keycode;
79 char name[64];
80 };
81
82 static struct adbhid *adbhid[16] = { 0 };
83
84 static void adbhid_probe(void);
85
86 static void adbhid_input_keycode(int, int, int);
87 static void leds_done(struct adb_request *);
88
89 static void init_trackpad(int id);
90 static void init_trackball(int id);
91 static void init_turbomouse(int id);
92 static void init_microspeed(int id);
93 static void init_ms_a3(int id);
94
95 static struct adb_ids keyboard_ids;
96 static struct adb_ids mouse_ids;
97 static struct adb_ids buttons_ids;
98
99 /* Kind of keyboard, see Apple technote 1152 */
100 #define ADB_KEYBOARD_UNKNOWN 0
101 #define ADB_KEYBOARD_ANSI 0x0100
102 #define ADB_KEYBOARD_ISO 0x0200
103 #define ADB_KEYBOARD_JIS 0x0300
104
105 /* Kind of mouse */
106 #define ADBMOUSE_STANDARD_100 0 /* Standard 100cpi mouse (handler 1) */
107 #define ADBMOUSE_STANDARD_200 1 /* Standard 200cpi mouse (handler 2) */
108 #define ADBMOUSE_EXTENDED 2 /* Apple Extended mouse (handler 4) */
109 #define ADBMOUSE_TRACKBALL 3 /* TrackBall (handler 4) */
110 #define ADBMOUSE_TRACKPAD 4 /* Apple's PowerBook trackpad (handler 4) */
111 #define ADBMOUSE_TURBOMOUSE5 5 /* Turbomouse 5 (previously req. mousehack) */
112 #define ADBMOUSE_MICROSPEED 6 /* Microspeed mouse (&trackball ?), MacPoint */
113 #define ADBMOUSE_TRACKBALLPRO 7 /* Trackball Pro (special buttons) */
114 #define ADBMOUSE_MS_A3 8 /* Mouse systems A3 trackball (handler 3) */
115 #define ADBMOUSE_MACALLY2 9 /* MacAlly 2-button mouse */
116
117 static void
118 adbhid_keyboard_input(unsigned char *data, int nb, struct pt_regs *regs, int apoll)
119 {
120 int id = (data[0] >> 4) & 0x0f;
121
122 if (!adbhid[id]) {
123 printk(KERN_ERR "ADB HID on ID %d not yet registered, packet %#02x, %#02x, %#02x, %#02x\n",
124 id, data[0], data[1], data[2], data[3]);
125 return;
126 }
127
128 /* first check this is from register 0 */
129 if (nb != 3 || (data[0] & 3) != KEYB_KEYREG)
130 return; /* ignore it */
131 kbd_pt_regs = regs;
132 adbhid_input_keycode(id, data[1], 0);
133 if (!(data[2] == 0xff || (data[2] == 0x7f && data[1] == 0x7f)))
134 adbhid_input_keycode(id, data[2], 0);
135 }
136
137 static void
138 adbhid_input_keycode(int id, int keycode, int repeat)
139 {
140 int up_flag;
141
142 up_flag = (keycode & 0x80);
143 keycode &= 0x7f;
144
145 switch (keycode) {
146 case 0x39: /* Generate down/up events for CapsLock everytime. */
147 input_report_key(&adbhid[id]->input, KEY_CAPSLOCK, 1);
148 input_report_key(&adbhid[id]->input, KEY_CAPSLOCK, 0);
149 return;
150 case 0x3f: /* ignore Powerbook Fn key */
151 return;
152 }
153
154 if (adbhid[id]->keycode[keycode])
155 input_report_key(&adbhid[id]->input,
156 adbhid[id]->keycode[keycode], !up_flag);
157 else
158 printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode,
159 up_flag ? "released" : "pressed");
160 }
161
162 static void
163 adbhid_mouse_input(unsigned char *data, int nb, struct pt_regs *regs, int autopoll)
164 {
165 int id = (data[0] >> 4) & 0x0f;
166
167 if (!adbhid[id]) {
168 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id);
169 return;
170 }
171
172 /*
173 Handler 1 -- 100cpi original Apple mouse protocol.
174 Handler 2 -- 200cpi original Apple mouse protocol.
175
176 For Apple's standard one-button mouse protocol the data array will
177 contain the following values:
178
179 BITS COMMENTS
180 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
181 data[1] = bxxx xxxx First button and x-axis motion.
182 data[2] = byyy yyyy Second button and y-axis motion.
183
184 Handler 4 -- Apple Extended mouse protocol.
185
186 For Apple's 3-button mouse protocol the data array will contain the
187 following values:
188
189 BITS COMMENTS
190 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
191 data[1] = bxxx xxxx Left button and x-axis motion.
192 data[2] = byyy yyyy Second button and y-axis motion.
193 data[3] = byyy bxxx Third button and fourth button. Y is additional
194 high bits of y-axis motion. XY is additional
195 high bits of x-axis motion.
196
197 MacAlly 2-button mouse protocol.
198
199 For MacAlly 2-button mouse protocol the data array will contain the
200 following values:
201
202 BITS COMMENTS
203 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
204 data[1] = bxxx xxxx Left button and x-axis motion.
205 data[2] = byyy yyyy Right button and y-axis motion.
206 data[3] = ???? ???? unknown
207 data[4] = ???? ???? unknown
208
209 */
210
211 /* If it's a trackpad, we alias the second button to the first.
212 NOTE: Apple sends an ADB flush command to the trackpad when
213 the first (the real) button is released. We could do
214 this here using async flush requests.
215 */
216 switch (adbhid[id]->mouse_kind)
217 {
218 case ADBMOUSE_TRACKPAD:
219 data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80);
220 data[2] = data[2] | 0x80;
221 break;
222 case ADBMOUSE_MICROSPEED:
223 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7);
224 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6);
225 data[3] = (data[3] & 0x77) | ((data[3] & 0x04) << 5)
226 | (data[3] & 0x08);
227 break;
228 case ADBMOUSE_TRACKBALLPRO:
229 data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5)
230 & ((data[3] & 0x08) << 4));
231 data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7);
232 data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6);
233 break;
234 case ADBMOUSE_MS_A3:
235 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7);
236 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6);
237 data[3] = ((data[3] & 0x04) << 5);
238 break;
239 case ADBMOUSE_MACALLY2:
240 data[3] = (data[2] & 0x80) ? 0x80 : 0x00;
241 data[2] |= 0x80; /* Right button is mapped as button 3 */
242 nb=4;
243 break;
244 }
245
246 input_report_key(&adbhid[id]->input, BTN_LEFT, !((data[1] >> 7) & 1));
247 input_report_key(&adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1));
248
249 if (nb >= 4)
250 input_report_key(&adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1));
251
252 input_report_rel(&adbhid[id]->input, REL_X,
253 ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 ));
254 input_report_rel(&adbhid[id]->input, REL_Y,
255 ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 ));
256 }
257
258 static void
259 adbhid_buttons_input(unsigned char *data, int nb, struct pt_regs *regs, int autopoll)
260 {
261 int id = (data[0] >> 4) & 0x0f;
262
263 if (!adbhid[id]) {
264 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id);
265 return;
266 }
267
268 switch (adbhid[id]->original_handler_id) {
269 default:
270 case 0x02: /* Adjustable keyboard button device */
271 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
272 data[0], data[1], data[2], data[3]);
273 break;
274 case 0x1f: /* Powerbook button device */
275 {
276 #ifdef CONFIG_PMAC_BACKLIGHT
277 int backlight = get_backlight_level();
278
279 /*
280 * XXX: Where is the contrast control for the passive?
281 * -- Cort
282 */
283
284 switch (data[1]) {
285 case 0x8: /* mute */
286 break;
287
288 case 0x7: /* contrast decrease */
289 break;
290
291 case 0x6: /* contrast increase */
292 break;
293
294 case 0xa: /* brightness decrease */
295 if (backlight < 0)
296 break;
297 if (backlight > BACKLIGHT_OFF)
298 set_backlight_level(backlight-1);
299 else
300 set_backlight_level(BACKLIGHT_OFF);
301 break;
302
303 case 0x9: /* brightness increase */
304 if (backlight < 0)
305 break;
306 if (backlight < BACKLIGHT_MAX)
307 set_backlight_level(backlight+1);
308 else
309 set_backlight_level(BACKLIGHT_MAX);
310 break;
311 }
312 #endif /* CONFIG_PMAC_BACKLIGHT */
313 }
314 break;
315 }
316 }
317
318 static struct adb_request led_request;
319 static int leds_pending[16];
320 static int pending_devs[16];
321 static int pending_led_start=0;
322 static int pending_led_end=0;
323
324 static void real_leds(unsigned char leds, int device)
325 {
326 if (led_request.complete) {
327 adb_request(&led_request, leds_done, 0, 3,
328 ADB_WRITEREG(device, KEYB_LEDREG), 0xff,
329 ~leds);
330 } else {
331 if (!(leds_pending[device] & 0x100)) {
332 pending_devs[pending_led_end] = device;
333 pending_led_end++;
334 pending_led_end = (pending_led_end < 16) ? pending_led_end : 0;
335 }
336 leds_pending[device] = leds | 0x100;
337 }
338 }
339
340 /*
341 * Event callback from the input module. Events that change the state of
342 * the hardware are processed here.
343 */
344 static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
345 {
346 struct adbhid *adbhid = dev->private;
347 unsigned char leds;
348
349 switch (type) {
350 case EV_LED:
351 leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0)
352 | (test_bit(LED_NUML, dev->led) ? 1 : 0)
353 | (test_bit(LED_CAPSL, dev->led) ? 2 : 0);
354 real_leds(leds, adbhid->id);
355 return 0;
356 }
357
358 return -1;
359 }
360
361 static void leds_done(struct adb_request *req)
362 {
363 int leds,device;
364
365 if (pending_led_start != pending_led_end) {
366 device = pending_devs[pending_led_start];
367 leds = leds_pending[device] & 0xff;
368 leds_pending[device] = 0;
369 pending_led_start++;
370 pending_led_start = (pending_led_start < 16) ? pending_led_start : 0;
371 real_leds(leds,device);
372 }
373
374 }
375
376 static int
377 adb_message_handler(struct notifier_block *this, unsigned long code, void *x)
378 {
379 unsigned long flags;
380
381 switch (code) {
382 case ADB_MSG_PRE_RESET:
383 case ADB_MSG_POWERDOWN:
384 /* Stop the repeat timer. Autopoll is already off at this point */
385 save_flags(flags);
386 cli();
387 {
388 int i;
389 for (i = 1; i < 16; i++) {
390 if (adbhid[i])
391 del_timer(&adbhid[i]->input.timer);
392 }
393 }
394 restore_flags(flags);
395
396 /* Stop pending led requests */
397 while(!led_request.complete)
398 adb_poll();
399 break;
400
401 case ADB_MSG_POST_RESET:
402 adbhid_probe();
403 break;
404 }
405 return NOTIFY_DONE;
406 }
407
408 static void
409 adbhid_input_register(int id, int default_id, int original_handler_id,
410 int current_handler_id, int mouse_kind)
411 {
412 int i;
413
414 if (adbhid[id]) {
415 printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id);
416 return;
417 }
418
419 if (!(adbhid[id] = kmalloc(sizeof(struct adbhid), GFP_KERNEL)))
420 return;
421
422 memset(adbhid[id], 0, sizeof(struct adbhid));
423
424 adbhid[id]->id = default_id;
425 adbhid[id]->original_handler_id = original_handler_id;
426 adbhid[id]->current_handler_id = current_handler_id;
427 adbhid[id]->mouse_kind = mouse_kind;
428 adbhid[id]->input.private = adbhid[id];
429 adbhid[id]->input.name = adbhid[id]->name;
430 adbhid[id]->input.idbus = BUS_ADB;
431 adbhid[id]->input.idvendor = 0x0001;
432 adbhid[id]->input.idproduct = (id << 12) | (default_id << 8) | original_handler_id;
433 adbhid[id]->input.idversion = 0x0100;
434
435 switch (default_id) {
436 case ADB_KEYBOARD:
437 if (!(adbhid[id]->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL))) {
438 kfree(adbhid[id]);
439 return;
440 }
441
442 sprintf(adbhid[id]->name, "ADB keyboard on ID %d:%d.%02x",
443 id, default_id, original_handler_id);
444
445 memcpy(adbhid[id]->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes));
446
447 printk(KERN_INFO "Detected ADB keyboard, type ");
448 switch (original_handler_id) {
449 default:
450 printk("<unknown>.\n");
451 adbhid[id]->input.idversion = ADB_KEYBOARD_UNKNOWN;
452 break;
453
454 case 0x01: case 0x02: case 0x03: case 0x06: case 0x08:
455 case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C:
456 case 0xC0: case 0xC3: case 0xC6:
457 printk("ANSI.\n");
458 adbhid[id]->input.idversion = ADB_KEYBOARD_ANSI;
459 break;
460
461 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D:
462 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1:
463 case 0xC4: case 0xC7:
464 printk("ISO, swapping keys.\n");
465 adbhid[id]->input.idversion = ADB_KEYBOARD_ISO;
466 i = adbhid[id]->keycode[10];
467 adbhid[id]->keycode[10] = adbhid[id]->keycode[50];
468 adbhid[id]->keycode[50] = i;
469 break;
470
471 case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A:
472 case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9:
473 printk("JIS.\n");
474 adbhid[id]->input.idversion = ADB_KEYBOARD_JIS;
475 break;
476 }
477
478 for (i = 0; i < 128; i++)
479 if (adbhid[id]->keycode[i])
480 set_bit(adbhid[id]->keycode[i], adbhid[id]->input.keybit);
481
482 adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
483 adbhid[id]->input.ledbit[0] = BIT(LED_SCROLLL) | BIT(LED_CAPSL) | BIT(LED_NUML);
484 adbhid[id]->input.event = adbhid_kbd_event;
485 adbhid[id]->input.keycodemax = 127;
486 adbhid[id]->input.keycodesize = 1;
487 break;
488
489 case ADB_MOUSE:
490 sprintf(adbhid[id]->name, "ADB mouse on ID %d:%d.%02x",
491 id, default_id, original_handler_id);
492
493 adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
494 adbhid[id]->input.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
495 adbhid[id]->input.relbit[0] = BIT(REL_X) | BIT(REL_Y);
496 break;
497
498 case ADB_MISC:
499 switch (original_handler_id) {
500 case 0x02: /* Adjustable keyboard button device */
501 sprintf(adbhid[id]->name, "ADB adjustable keyboard buttons on ID %d:%d.%02x",
502 id, default_id, original_handler_id);
503 break;
504 case 0x1f: /* Powerbook button device */
505 sprintf(adbhid[id]->name, "ADB Powerbook buttons on ID %d:%d.%02x",
506 id, default_id, original_handler_id);
507 break;
508 }
509 if (adbhid[id]->name[0])
510 break;
511 /* else fall through */
512
513 default:
514 printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n");
515 kfree(adbhid[id]);
516 return;
517 }
518
519 adbhid[id]->input.keycode = adbhid[id]->keycode;
520
521 input_register_device(&adbhid[id]->input);
522
523 printk(KERN_INFO "input%d: ADB HID on ID %d:%d.%02x\n",
524 adbhid[id]->input.number, id, default_id, original_handler_id);
525
526 if (default_id == ADB_KEYBOARD) {
527 /* HACK WARNING!! This should go away as soon there is an utility
528 * to control that for event devices.
529 */
530 adbhid[id]->input.rep[REP_DELAY] = HZ/2; /* input layer default: HZ/4 */
531 adbhid[id]->input.rep[REP_PERIOD] = HZ/15; /* input layer default: HZ/33 */
532 }
533 }
534
535 static void adbhid_input_unregister(int id)
536 {
537 input_unregister_device(&adbhid[id]->input);
538 if (adbhid[id]->keycode)
539 kfree(adbhid[id]->keycode);
540 kfree(adbhid[id]);
541 adbhid[id] = 0;
542 }
543
544
545 static void
546 adbhid_probe(void)
547 {
548 struct adb_request req;
549 int i, default_id, org_handler_id, cur_handler_id;
550
551 for (i = 1; i < 16; i++) {
552 if (adbhid[i])
553 adbhid_input_unregister(i);
554 }
555
556 adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input);
557 adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input);
558 adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input);
559
560 for (i = 0; i < keyboard_ids.nids; i++) {
561 int id = keyboard_ids.id[i];
562
563 adb_get_infos(id, &default_id, &org_handler_id);
564
565 /* turn off all leds */
566 adb_request(&req, NULL, ADBREQ_SYNC, 3,
567 ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff);
568
569 /* Enable full feature set of the keyboard
570 ->get it to send separate codes for left and right shift,
571 control, option keys */
572 #if 0 /* handler 5 doesn't send separate codes for R modifiers */
573 if (adb_try_handler_change(id, 5))
574 printk("ADB keyboard at %d, handler set to 5\n", id);
575 else
576 #endif
577 if (adb_try_handler_change(id, 3))
578 printk("ADB keyboard at %d, handler set to 3\n", id);
579 else
580 printk("ADB keyboard at %d, handler 1\n", id);
581
582 adb_get_infos(id, &default_id, &cur_handler_id);
583 adbhid_input_register(id, default_id, org_handler_id, cur_handler_id, 0);
584 }
585
586 for (i = 0; i < buttons_ids.nids; i++) {
587 int id = buttons_ids.id[i];
588
589 adb_get_infos(id, &default_id, &org_handler_id);
590 adbhid_input_register(id, default_id, org_handler_id, org_handler_id, 0);
591 }
592
593 /* Try to switch all mice to handler 4, or 2 for three-button
594 mode and full resolution. */
595 for (i = 0; i < mouse_ids.nids; i++) {
596 int id = mouse_ids.id[i];
597 int mouse_kind;
598
599 adb_get_infos(id, &default_id, &org_handler_id);
600
601 if (adb_try_handler_change(id, 4)) {
602 printk("ADB mouse at %d, handler set to 4", id);
603 mouse_kind = ADBMOUSE_EXTENDED;
604 }
605 else if (adb_try_handler_change(id, 0x2F)) {
606 printk("ADB mouse at %d, handler set to 0x2F", id);
607 mouse_kind = ADBMOUSE_MICROSPEED;
608 }
609 else if (adb_try_handler_change(id, 0x42)) {
610 printk("ADB mouse at %d, handler set to 0x42", id);
611 mouse_kind = ADBMOUSE_TRACKBALLPRO;
612 }
613 else if (adb_try_handler_change(id, 0x66)) {
614 printk("ADB mouse at %d, handler set to 0x66", id);
615 mouse_kind = ADBMOUSE_MICROSPEED;
616 }
617 else if (adb_try_handler_change(id, 0x5F)) {
618 printk("ADB mouse at %d, handler set to 0x5F", id);
619 mouse_kind = ADBMOUSE_MICROSPEED;
620 }
621 else if (adb_try_handler_change(id, 3)) {
622 printk("ADB mouse at %d, handler set to 3", id);
623 mouse_kind = ADBMOUSE_MS_A3;
624 }
625 else if (adb_try_handler_change(id, 2)) {
626 printk("ADB mouse at %d, handler set to 2", id);
627 mouse_kind = ADBMOUSE_STANDARD_200;
628 }
629 else {
630 printk("ADB mouse at %d, handler 1", id);
631 mouse_kind = ADBMOUSE_STANDARD_100;
632 }
633
634 if ((mouse_kind == ADBMOUSE_TRACKBALLPRO)
635 || (mouse_kind == ADBMOUSE_MICROSPEED)) {
636 init_microspeed(id);
637 } else if (mouse_kind == ADBMOUSE_MS_A3) {
638 init_ms_a3(id);
639 } else if (mouse_kind == ADBMOUSE_EXTENDED) {
640 /*
641 * Register 1 is usually used for device
642 * identification. Here, we try to identify
643 * a known device and call the appropriate
644 * init function.
645 */
646 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
647 ADB_READREG(id, 1));
648
649 if ((req.reply_len) &&
650 (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21)
651 || (req.reply[2] == 0x20))) {
652 mouse_kind = ADBMOUSE_TRACKBALL;
653 init_trackball(id);
654 }
655 else if ((req.reply_len >= 4) &&
656 (req.reply[1] == 0x74) && (req.reply[2] == 0x70) &&
657 (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) {
658 mouse_kind = ADBMOUSE_TRACKPAD;
659 init_trackpad(id);
660 }
661 else if ((req.reply_len >= 4) &&
662 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) &&
663 (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) {
664 mouse_kind = ADBMOUSE_TURBOMOUSE5;
665 init_turbomouse(id);
666 }
667 else if ((req.reply_len == 9) &&
668 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) &&
669 (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) {
670 if (adb_try_handler_change(id, 0x42)) {
671 printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id);
672 mouse_kind = ADBMOUSE_MACALLY2;
673 }
674 }
675 }
676 printk("\n");
677
678 adb_get_infos(id, &default_id, &cur_handler_id);
679 adbhid_input_register(id, default_id, org_handler_id,
680 cur_handler_id, mouse_kind);
681 }
682 }
683
684 static void
685 init_trackpad(int id)
686 {
687 struct adb_request req;
688 unsigned char r1_buffer[8];
689
690 printk(" (trackpad)");
691
692 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
693 ADB_READREG(id,1));
694 if (req.reply_len < 8)
695 printk("bad length for reg. 1\n");
696 else
697 {
698 memcpy(r1_buffer, &req.reply[1], 8);
699
700 adb_request(&req, NULL, ADBREQ_SYNC, 9,
701 ADB_WRITEREG(id,1),
702 r1_buffer[0],
703 r1_buffer[1],
704 r1_buffer[2],
705 r1_buffer[3],
706 r1_buffer[4],
707 r1_buffer[5],
708 0x0d,
709 r1_buffer[7]);
710
711 adb_request(&req, NULL, ADBREQ_SYNC, 9,
712 ADB_WRITEREG(id,2),
713 0x99,
714 0x94,
715 0x19,
716 0xff,
717 0xb2,
718 0x8a,
719 0x1b,
720 0x50);
721
722 adb_request(&req, NULL, ADBREQ_SYNC, 9,
723 ADB_WRITEREG(id,1),
724 r1_buffer[0],
725 r1_buffer[1],
726 r1_buffer[2],
727 r1_buffer[3],
728 r1_buffer[4],
729 r1_buffer[5],
730 0x03, /*r1_buffer[6],*/
731 r1_buffer[7]);
732
733 /* Without this flush, the trackpad may be locked up */
734 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
735 }
736 }
737
738 static void
739 init_trackball(int id)
740 {
741 struct adb_request req;
742
743 printk(" (trackman/mouseman)");
744
745 adb_request(&req, NULL, ADBREQ_SYNC, 3,
746 ADB_WRITEREG(id,1), 00,0x81);
747
748 adb_request(&req, NULL, ADBREQ_SYNC, 3,
749 ADB_WRITEREG(id,1), 01,0x81);
750
751 adb_request(&req, NULL, ADBREQ_SYNC, 3,
752 ADB_WRITEREG(id,1), 02,0x81);
753
754 adb_request(&req, NULL, ADBREQ_SYNC, 3,
755 ADB_WRITEREG(id,1), 03,0x38);
756
757 adb_request(&req, NULL, ADBREQ_SYNC, 3,
758 ADB_WRITEREG(id,1), 00,0x81);
759
760 adb_request(&req, NULL, ADBREQ_SYNC, 3,
761 ADB_WRITEREG(id,1), 01,0x81);
762
763 adb_request(&req, NULL, ADBREQ_SYNC, 3,
764 ADB_WRITEREG(id,1), 02,0x81);
765
766 adb_request(&req, NULL, ADBREQ_SYNC, 3,
767 ADB_WRITEREG(id,1), 03,0x38);
768 }
769
770 static void
771 init_turbomouse(int id)
772 {
773 struct adb_request req;
774
775 printk(" (TurboMouse 5)");
776
777 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
778
779 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3));
780
781 adb_request(&req, NULL, ADBREQ_SYNC, 9,
782 ADB_WRITEREG(3,2),
783 0xe7,
784 0x8c,
785 0,
786 0,
787 0,
788 0xff,
789 0xff,
790 0x94);
791
792 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3));
793
794 adb_request(&req, NULL, ADBREQ_SYNC, 9,
795 ADB_WRITEREG(3,2),
796 0xa5,
797 0x14,
798 0,
799 0,
800 0x69,
801 0xff,
802 0xff,
803 0x27);
804 }
805
806 static void
807 init_microspeed(int id)
808 {
809 struct adb_request req;
810
811 printk(" (Microspeed/MacPoint or compatible)");
812
813 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
814
815 /* This will initialize mice using the Microspeed, MacPoint and
816 other compatible firmware. Bit 12 enables extended protocol.
817
818 Register 1 Listen (4 Bytes)
819 0 - 3 Button is mouse (set also for double clicking!!!)
820 4 - 7 Button is locking (affects change speed also)
821 8 - 11 Button changes speed
822 12 1 = Extended mouse mode, 0 = normal mouse mode
823 13 - 15 unused 0
824 16 - 23 normal speed
825 24 - 31 changed speed
826
827 Register 1 talk holds version and product identification information.
828 Register 1 Talk (4 Bytes):
829 0 - 7 Product code
830 8 - 23 undefined, reserved
831 24 - 31 Version number
832
833 Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max.
834 */
835 adb_request(&req, NULL, ADBREQ_SYNC, 5,
836 ADB_WRITEREG(id,1),
837 0x20, /* alt speed = 0x20 (rather slow) */
838 0x00, /* norm speed = 0x00 (fastest) */
839 0x10, /* extended protocol, no speed change */
840 0x07); /* all buttons enabled as mouse buttons, no locking */
841
842
843 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
844 }
845
846 static void
847 init_ms_a3(int id)
848 {
849 struct adb_request req;
850
851 printk(" (Mouse Systems A3 Mouse, or compatible)");
852 adb_request(&req, NULL, ADBREQ_SYNC, 3,
853 ADB_WRITEREG(id, 0x2),
854 0x00,
855 0x07);
856
857 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
858 }
859
860 static int __init adbhid_init(void)
861 {
862 if ( (_machine != _MACH_chrp) && (_machine != _MACH_Pmac) )
863 return 0;
864
865 led_request.complete = 1;
866
867 adbhid_probe();
868
869 notifier_chain_register(&adb_client_list, &adbhid_adb_notifier);
870
871 return 0;
872 }
873
874 static void __exit adbhid_exit(void)
875 {
876 }
877
878 module_init(adbhid_init);
879 module_exit(adbhid_exit);
880