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 | pr_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 | pr_info("Spurious caps lock event (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 every time. */ |
332 | input_report_key(dev: ahid->input, KEY_CAPSLOCK, value: 1); |
333 | input_sync(dev: ahid->input); |
334 | input_report_key(dev: ahid->input, KEY_CAPSLOCK, value: 0); |
335 | input_sync(dev: 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(dev: adbhid[id]->input, code: key, value: !up_flag); |
397 | input_sync(dev: adbhid[id]->input); |
398 | } else |
399 | pr_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 | pr_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(dev: adbhid[id]->input, BTN_LEFT, value: !((data[1] >> 7) & 1)); |
489 | input_report_key(dev: adbhid[id]->input, BTN_MIDDLE, value: !((data[2] >> 7) & 1)); |
490 | |
491 | if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD) |
492 | input_report_key(dev: adbhid[id]->input, BTN_RIGHT, value: !((data[3] >> 7) & 1)); |
493 | |
494 | input_report_rel(dev: adbhid[id]->input, REL_X, |
495 | value: ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 )); |
496 | input_report_rel(dev: adbhid[id]->input, REL_Y, |
497 | value: ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 )); |
498 | |
499 | input_sync(dev: 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 | pr_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(dev: adbhid[id]->input, KEY_SOUND, value: down); |
521 | break; |
522 | |
523 | case 0x1: /* mute */ |
524 | input_report_key(dev: adbhid[id]->input, KEY_MUTE, value: down); |
525 | break; |
526 | |
527 | case 0x2: /* volume decrease */ |
528 | input_report_key(dev: adbhid[id]->input, KEY_VOLUMEDOWN, value: down); |
529 | break; |
530 | |
531 | case 0x3: /* volume increase */ |
532 | input_report_key(dev: adbhid[id]->input, KEY_VOLUMEUP, value: down); |
533 | break; |
534 | |
535 | default: |
536 | pr_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(dev: adbhid[id]->input, KEY_MUTE, value: down); |
555 | break; |
556 | |
557 | case 0x7: /* volume decrease */ |
558 | input_report_key(dev: adbhid[id]->input, KEY_VOLUMEDOWN, value: down); |
559 | break; |
560 | |
561 | case 0x6: /* volume increase */ |
562 | input_report_key(dev: adbhid[id]->input, KEY_VOLUMEUP, value: down); |
563 | break; |
564 | |
565 | case 0xb: /* eject */ |
566 | input_report_key(dev: adbhid[id]->input, KEY_EJECTCD, value: 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(dev: adbhid[id]->input, KEY_BRIGHTNESSDOWN, value: 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(dev: adbhid[id]->input, KEY_BRIGHTNESSUP, value: down); |
583 | break; |
584 | |
585 | case 0xc: /* videomode switch */ |
586 | input_report_key(dev: adbhid[id]->input, KEY_SWITCHVIDEOMODE, value: down); |
587 | break; |
588 | |
589 | case 0xd: /* keyboard illumination toggle */ |
590 | input_report_key(dev: adbhid[id]->input, KEY_KBDILLUMTOGGLE, value: down); |
591 | break; |
592 | |
593 | case 0xe: /* keyboard illumination decrease */ |
594 | input_report_key(dev: adbhid[id]->input, KEY_KBDILLUMDOWN, value: 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(dev: adbhid[id]->input, KEY_KBDILLUMUP, value: down); |
603 | break; |
604 | |
605 | case 0x7f: |
606 | case 0xff: |
607 | /* keypad overlay toogle */ |
608 | break; |
609 | |
610 | default: |
611 | pr_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 | pr_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(dev: 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(lock: &leds_lock, flags); |
653 | if (pending) |
654 | adb_request(req: &led_request, done: leds_done, flags: 0, nbytes: 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(lock: &leds_lock, flags); |
666 | adb_request(req: &led_request, done: leds_done, flags: 0, nbytes: 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(lock: &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, device: 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(timer: &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 | char *keyboard_type; |
761 | |
762 | if (adbhid[id]) { |
763 | pr_err("Trying to reregister ADB HID on ID %d\n" , id); |
764 | return -EEXIST; |
765 | } |
766 | |
767 | adbhid[id] = hid = kzalloc(size: 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(buf: hid->phys, fmt: "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(dev: input_dev, data: 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 = kmemdup(p: adb_to_linux_keycodes, |
793 | size: sizeof(adb_to_linux_keycodes), GFP_KERNEL); |
794 | if (!hid->keycode) { |
795 | err = -ENOMEM; |
796 | goto fail; |
797 | } |
798 | |
799 | sprintf(buf: hid->name, fmt: "ADB keyboard" ); |
800 | |
801 | switch (original_handler_id) { |
802 | default: |
803 | keyboard_type = "<unknown>" ; |
804 | input_dev->id.version = ADB_KEYBOARD_UNKNOWN; |
805 | break; |
806 | |
807 | case 0x01: case 0x02: case 0x03: case 0x06: case 0x08: |
808 | case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C: |
809 | case 0xC0: case 0xC3: case 0xC6: |
810 | keyboard_type = "ANSI" ; |
811 | input_dev->id.version = ADB_KEYBOARD_ANSI; |
812 | break; |
813 | |
814 | case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D: |
815 | case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1: |
816 | case 0xC4: case 0xC7: |
817 | keyboard_type = "ISO, swapping keys" ; |
818 | input_dev->id.version = ADB_KEYBOARD_ISO; |
819 | swap(hid->keycode[10], hid->keycode[50]); |
820 | break; |
821 | |
822 | case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A: |
823 | case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9: |
824 | keyboard_type = "JIS" ; |
825 | input_dev->id.version = ADB_KEYBOARD_JIS; |
826 | break; |
827 | } |
828 | pr_info("Detected ADB keyboard, type %s.\n" , keyboard_type); |
829 | |
830 | for (i = 0; i < 128; i++) |
831 | if (hid->keycode[i]) |
832 | set_bit(nr: hid->keycode[i], addr: input_dev->keybit); |
833 | |
834 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) | |
835 | BIT_MASK(EV_REP); |
836 | input_dev->ledbit[0] = BIT_MASK(LED_SCROLLL) | |
837 | BIT_MASK(LED_CAPSL) | BIT_MASK(LED_NUML); |
838 | input_dev->event = adbhid_kbd_event; |
839 | input_dev->keycodemax = KEY_FN; |
840 | input_dev->keycodesize = sizeof(hid->keycode[0]); |
841 | break; |
842 | |
843 | case ADB_MOUSE: |
844 | sprintf(buf: hid->name, fmt: "ADB mouse" ); |
845 | |
846 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); |
847 | input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | |
848 | BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); |
849 | input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); |
850 | break; |
851 | |
852 | case ADB_MISC: |
853 | switch (original_handler_id) { |
854 | case 0x02: /* Adjustable keyboard button device */ |
855 | sprintf(buf: hid->name, fmt: "ADB adjustable keyboard buttons" ); |
856 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | |
857 | BIT_MASK(EV_REP); |
858 | set_bit(KEY_SOUND, addr: input_dev->keybit); |
859 | set_bit(KEY_MUTE, addr: input_dev->keybit); |
860 | set_bit(KEY_VOLUMEUP, addr: input_dev->keybit); |
861 | set_bit(KEY_VOLUMEDOWN, addr: input_dev->keybit); |
862 | break; |
863 | case 0x1f: /* Powerbook button device */ |
864 | sprintf(buf: hid->name, fmt: "ADB Powerbook buttons" ); |
865 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | |
866 | BIT_MASK(EV_REP); |
867 | set_bit(KEY_MUTE, addr: input_dev->keybit); |
868 | set_bit(KEY_VOLUMEUP, addr: input_dev->keybit); |
869 | set_bit(KEY_VOLUMEDOWN, addr: input_dev->keybit); |
870 | set_bit(KEY_BRIGHTNESSUP, addr: input_dev->keybit); |
871 | set_bit(KEY_BRIGHTNESSDOWN, addr: input_dev->keybit); |
872 | set_bit(KEY_EJECTCD, addr: input_dev->keybit); |
873 | set_bit(KEY_SWITCHVIDEOMODE, addr: input_dev->keybit); |
874 | set_bit(KEY_KBDILLUMTOGGLE, addr: input_dev->keybit); |
875 | set_bit(KEY_KBDILLUMDOWN, addr: input_dev->keybit); |
876 | set_bit(KEY_KBDILLUMUP, addr: input_dev->keybit); |
877 | break; |
878 | } |
879 | if (hid->name[0]) |
880 | break; |
881 | fallthrough; |
882 | |
883 | default: |
884 | pr_info("Trying to register unknown ADB device to input layer.\n" ); |
885 | err = -ENODEV; |
886 | goto fail; |
887 | } |
888 | |
889 | input_dev->keycode = hid->keycode; |
890 | |
891 | err = input_register_device(input_dev); |
892 | if (err) |
893 | goto fail; |
894 | |
895 | if (default_id == ADB_KEYBOARD) { |
896 | /* HACK WARNING!! This should go away as soon there is an utility |
897 | * to control that for event devices. |
898 | */ |
899 | input_dev->rep[REP_DELAY] = 500; /* input layer default: 250 */ |
900 | input_dev->rep[REP_PERIOD] = 66; /* input layer default: 33 */ |
901 | } |
902 | |
903 | return 0; |
904 | |
905 | fail: input_free_device(dev: input_dev); |
906 | if (hid) { |
907 | kfree(objp: hid->keycode); |
908 | kfree(objp: hid); |
909 | } |
910 | adbhid[id] = NULL; |
911 | return err; |
912 | } |
913 | |
914 | static void adbhid_input_unregister(int id) |
915 | { |
916 | input_unregister_device(adbhid[id]->input); |
917 | kfree(objp: adbhid[id]->keycode); |
918 | kfree(objp: adbhid[id]); |
919 | adbhid[id] = NULL; |
920 | } |
921 | |
922 | |
923 | static u16 |
924 | adbhid_input_reregister(int id, int default_id, int org_handler_id, |
925 | int cur_handler_id, int mk) |
926 | { |
927 | if (adbhid[id]) { |
928 | if (adbhid[id]->input->id.product != |
929 | ((id << 12)|(default_id << 8)|org_handler_id)) { |
930 | adbhid_input_unregister(id); |
931 | adbhid_input_register(id, default_id, original_handler_id: org_handler_id, |
932 | current_handler_id: cur_handler_id, mouse_kind: mk); |
933 | } |
934 | } else |
935 | adbhid_input_register(id, default_id, original_handler_id: org_handler_id, |
936 | current_handler_id: cur_handler_id, mouse_kind: mk); |
937 | return 1<<id; |
938 | } |
939 | |
940 | static void |
941 | adbhid_input_devcleanup(u16 exist) |
942 | { |
943 | int i; |
944 | for(i=1; i<16; i++) |
945 | if (adbhid[i] && !(exist&(1<<i))) |
946 | adbhid_input_unregister(id: i); |
947 | } |
948 | |
949 | static void |
950 | adbhid_probe(void) |
951 | { |
952 | struct adb_request req; |
953 | int i, default_id, org_handler_id, cur_handler_id; |
954 | u16 reg = 0; |
955 | |
956 | adb_register(ADB_MOUSE, handler_id: 0, ids: &mouse_ids, handler: adbhid_mouse_input); |
957 | adb_register(ADB_KEYBOARD, handler_id: 0, ids: &keyboard_ids, handler: adbhid_keyboard_input); |
958 | adb_register(ADB_MISC, handler_id: 0, ids: &buttons_ids, handler: adbhid_buttons_input); |
959 | |
960 | for (i = 0; i < keyboard_ids.nids; i++) { |
961 | int id = keyboard_ids.id[i]; |
962 | |
963 | adb_get_infos(address: id, original_address: &default_id, handler_id: &org_handler_id); |
964 | |
965 | /* turn off all leds */ |
966 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 3, |
967 | ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff); |
968 | |
969 | /* Enable full feature set of the keyboard |
970 | ->get it to send separate codes for left and right shift, |
971 | control, option keys */ |
972 | #if 0 /* handler 5 doesn't send separate codes for R modifiers */ |
973 | if (!adb_try_handler_change(id, 5)) |
974 | #endif |
975 | adb_try_handler_change(address: id, new_id: 3); |
976 | |
977 | adb_get_infos(address: id, original_address: &default_id, handler_id: &cur_handler_id); |
978 | printk(KERN_DEBUG "ADB keyboard at %d has handler 0x%X\n" , |
979 | id, cur_handler_id); |
980 | reg |= adbhid_input_reregister(id, default_id, org_handler_id, |
981 | cur_handler_id, mk: 0); |
982 | } |
983 | |
984 | for (i = 0; i < buttons_ids.nids; i++) { |
985 | int id = buttons_ids.id[i]; |
986 | |
987 | adb_get_infos(address: id, original_address: &default_id, handler_id: &org_handler_id); |
988 | reg |= adbhid_input_reregister(id, default_id, org_handler_id, |
989 | cur_handler_id: org_handler_id, mk: 0); |
990 | } |
991 | |
992 | /* Try to switch all mice to handler 4, or 2 for three-button |
993 | mode and full resolution. */ |
994 | for (i = 0; i < mouse_ids.nids; i++) { |
995 | int id = mouse_ids.id[i]; |
996 | int mouse_kind; |
997 | char *desc = "standard" ; |
998 | |
999 | adb_get_infos(address: id, original_address: &default_id, handler_id: &org_handler_id); |
1000 | |
1001 | if (adb_try_handler_change(address: id, new_id: 4)) { |
1002 | mouse_kind = ADBMOUSE_EXTENDED; |
1003 | } |
1004 | else if (adb_try_handler_change(address: id, new_id: 0x2F)) { |
1005 | mouse_kind = ADBMOUSE_MICROSPEED; |
1006 | } |
1007 | else if (adb_try_handler_change(address: id, new_id: 0x42)) { |
1008 | mouse_kind = ADBMOUSE_TRACKBALLPRO; |
1009 | } |
1010 | else if (adb_try_handler_change(address: id, new_id: 0x66)) { |
1011 | mouse_kind = ADBMOUSE_MICROSPEED; |
1012 | } |
1013 | else if (adb_try_handler_change(address: id, new_id: 0x5F)) { |
1014 | mouse_kind = ADBMOUSE_MICROSPEED; |
1015 | } |
1016 | else if (adb_try_handler_change(address: id, new_id: 3)) { |
1017 | mouse_kind = ADBMOUSE_MS_A3; |
1018 | } |
1019 | else if (adb_try_handler_change(address: id, new_id: 2)) { |
1020 | mouse_kind = ADBMOUSE_STANDARD_200; |
1021 | } |
1022 | else { |
1023 | mouse_kind = ADBMOUSE_STANDARD_100; |
1024 | } |
1025 | |
1026 | if ((mouse_kind == ADBMOUSE_TRACKBALLPRO) |
1027 | || (mouse_kind == ADBMOUSE_MICROSPEED)) { |
1028 | desc = "Microspeed/MacPoint or compatible" ; |
1029 | init_microspeed(id); |
1030 | } else if (mouse_kind == ADBMOUSE_MS_A3) { |
1031 | desc = "Mouse Systems A3 Mouse or compatible" ; |
1032 | init_ms_a3(id); |
1033 | } else if (mouse_kind == ADBMOUSE_EXTENDED) { |
1034 | desc = "extended" ; |
1035 | /* |
1036 | * Register 1 is usually used for device |
1037 | * identification. Here, we try to identify |
1038 | * a known device and call the appropriate |
1039 | * init function. |
1040 | */ |
1041 | adb_request(req: &req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, nbytes: 1, |
1042 | ADB_READREG(id, 1)); |
1043 | |
1044 | if ((req.reply_len) && |
1045 | (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21) |
1046 | || (req.reply[2] == 0x20))) { |
1047 | mouse_kind = ADBMOUSE_TRACKBALL; |
1048 | desc = "trackman/mouseman" ; |
1049 | init_trackball(id); |
1050 | } |
1051 | else if ((req.reply_len >= 4) && |
1052 | (req.reply[1] == 0x74) && (req.reply[2] == 0x70) && |
1053 | (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) { |
1054 | mouse_kind = ADBMOUSE_TRACKPAD; |
1055 | desc = "trackpad" ; |
1056 | init_trackpad(id); |
1057 | } |
1058 | else if ((req.reply_len >= 4) && |
1059 | (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) && |
1060 | (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) { |
1061 | mouse_kind = ADBMOUSE_TURBOMOUSE5; |
1062 | desc = "TurboMouse 5" ; |
1063 | init_turbomouse(id); |
1064 | } |
1065 | else if ((req.reply_len == 9) && |
1066 | (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) && |
1067 | (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) { |
1068 | if (adb_try_handler_change(address: id, new_id: 0x42)) { |
1069 | mouse_kind = ADBMOUSE_MACALLY2; |
1070 | desc = "MacAlly 2-button" ; |
1071 | } |
1072 | } |
1073 | } |
1074 | |
1075 | adb_get_infos(address: id, original_address: &default_id, handler_id: &cur_handler_id); |
1076 | printk(KERN_DEBUG "ADB mouse (%s) at %d has handler 0x%X\n" , |
1077 | desc, id, cur_handler_id); |
1078 | reg |= adbhid_input_reregister(id, default_id, org_handler_id, |
1079 | cur_handler_id, mk: mouse_kind); |
1080 | } |
1081 | adbhid_input_devcleanup(exist: reg); |
1082 | } |
1083 | |
1084 | static void |
1085 | init_trackpad(int id) |
1086 | { |
1087 | struct adb_request req; |
1088 | unsigned char r1_buffer[8]; |
1089 | |
1090 | adb_request(req: &req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, nbytes: 1, |
1091 | ADB_READREG(id,1)); |
1092 | if (req.reply_len < 8) |
1093 | pr_err("%s: bad length for reg. 1\n" , __func__); |
1094 | else |
1095 | { |
1096 | memcpy(r1_buffer, &req.reply[1], 8); |
1097 | |
1098 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 9, |
1099 | ADB_WRITEREG(id,1), |
1100 | r1_buffer[0], |
1101 | r1_buffer[1], |
1102 | r1_buffer[2], |
1103 | r1_buffer[3], |
1104 | r1_buffer[4], |
1105 | r1_buffer[5], |
1106 | 0x0d, |
1107 | r1_buffer[7]); |
1108 | |
1109 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 9, |
1110 | ADB_WRITEREG(id,2), |
1111 | 0x99, |
1112 | 0x94, |
1113 | 0x19, |
1114 | 0xff, |
1115 | 0xb2, |
1116 | 0x8a, |
1117 | 0x1b, |
1118 | 0x50); |
1119 | |
1120 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 9, |
1121 | ADB_WRITEREG(id,1), |
1122 | r1_buffer[0], |
1123 | r1_buffer[1], |
1124 | r1_buffer[2], |
1125 | r1_buffer[3], |
1126 | r1_buffer[4], |
1127 | r1_buffer[5], |
1128 | 0x03, /*r1_buffer[6],*/ |
1129 | r1_buffer[7]); |
1130 | |
1131 | /* Without this flush, the trackpad may be locked up */ |
1132 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 1, ADB_FLUSH(id)); |
1133 | } |
1134 | } |
1135 | |
1136 | static void |
1137 | init_trackball(int id) |
1138 | { |
1139 | struct adb_request req; |
1140 | |
1141 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 3, |
1142 | ADB_WRITEREG(id,1), 00,0x81); |
1143 | |
1144 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 3, |
1145 | ADB_WRITEREG(id,1), 01,0x81); |
1146 | |
1147 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 3, |
1148 | ADB_WRITEREG(id,1), 02,0x81); |
1149 | |
1150 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 3, |
1151 | ADB_WRITEREG(id,1), 03,0x38); |
1152 | |
1153 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 3, |
1154 | ADB_WRITEREG(id,1), 00,0x81); |
1155 | |
1156 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 3, |
1157 | ADB_WRITEREG(id,1), 01,0x81); |
1158 | |
1159 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 3, |
1160 | ADB_WRITEREG(id,1), 02,0x81); |
1161 | |
1162 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 3, |
1163 | ADB_WRITEREG(id,1), 03,0x38); |
1164 | } |
1165 | |
1166 | static void |
1167 | init_turbomouse(int id) |
1168 | { |
1169 | struct adb_request req; |
1170 | |
1171 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 1, ADB_FLUSH(id)); |
1172 | |
1173 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 1, ADB_FLUSH(3)); |
1174 | |
1175 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 9, |
1176 | ADB_WRITEREG(3,2), |
1177 | 0xe7, |
1178 | 0x8c, |
1179 | 0, |
1180 | 0, |
1181 | 0, |
1182 | 0xff, |
1183 | 0xff, |
1184 | 0x94); |
1185 | |
1186 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 1, ADB_FLUSH(3)); |
1187 | |
1188 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 9, |
1189 | ADB_WRITEREG(3,2), |
1190 | 0xa5, |
1191 | 0x14, |
1192 | 0, |
1193 | 0, |
1194 | 0x69, |
1195 | 0xff, |
1196 | 0xff, |
1197 | 0x27); |
1198 | } |
1199 | |
1200 | static void |
1201 | init_microspeed(int id) |
1202 | { |
1203 | struct adb_request req; |
1204 | |
1205 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 1, ADB_FLUSH(id)); |
1206 | |
1207 | /* This will initialize mice using the Microspeed, MacPoint and |
1208 | other compatible firmware. Bit 12 enables extended protocol. |
1209 | |
1210 | Register 1 Listen (4 Bytes) |
1211 | 0 - 3 Button is mouse (set also for double clicking!!!) |
1212 | 4 - 7 Button is locking (affects change speed also) |
1213 | 8 - 11 Button changes speed |
1214 | 12 1 = Extended mouse mode, 0 = normal mouse mode |
1215 | 13 - 15 unused 0 |
1216 | 16 - 23 normal speed |
1217 | 24 - 31 changed speed |
1218 | |
1219 | Register 1 talk holds version and product identification information. |
1220 | Register 1 Talk (4 Bytes): |
1221 | 0 - 7 Product code |
1222 | 8 - 23 undefined, reserved |
1223 | 24 - 31 Version number |
1224 | |
1225 | Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max. |
1226 | */ |
1227 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 5, |
1228 | ADB_WRITEREG(id,1), |
1229 | 0x20, /* alt speed = 0x20 (rather slow) */ |
1230 | 0x00, /* norm speed = 0x00 (fastest) */ |
1231 | 0x10, /* extended protocol, no speed change */ |
1232 | 0x07); /* all buttons enabled as mouse buttons, no locking */ |
1233 | |
1234 | |
1235 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 1, ADB_FLUSH(id)); |
1236 | } |
1237 | |
1238 | static void |
1239 | init_ms_a3(int id) |
1240 | { |
1241 | struct adb_request req; |
1242 | |
1243 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 3, |
1244 | ADB_WRITEREG(id, 0x2), |
1245 | 0x00, |
1246 | 0x07); |
1247 | |
1248 | adb_request(req: &req, NULL, ADBREQ_SYNC, nbytes: 1, ADB_FLUSH(id)); |
1249 | } |
1250 | |
1251 | static int __init adbhid_init(void) |
1252 | { |
1253 | #ifndef CONFIG_MAC |
1254 | if (!machine_is(chrp) && !machine_is(powermac)) |
1255 | return 0; |
1256 | #endif |
1257 | |
1258 | led_request.complete = 1; |
1259 | |
1260 | adbhid_probe(); |
1261 | |
1262 | blocking_notifier_chain_register(nh: &adb_client_list, |
1263 | nb: &adbhid_adb_notifier); |
1264 | |
1265 | return 0; |
1266 | } |
1267 | |
1268 | static void __exit adbhid_exit(void) |
1269 | { |
1270 | } |
1271 | |
1272 | module_init(adbhid_init); |
1273 | module_exit(adbhid_exit); |
1274 | |