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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 | 2 | /* |
f30c2269 | 3 | * drivers/macintosh/adbhid.c |
1da177e4 LT |
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 | ||
1da177e4 LT |
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 | |
a07562e0 | 50 | #include <asm/backlight.h> |
1da177e4 LT |
51 | #include <asm/pmac_feature.h> |
52 | #endif | |
53 | ||
1da177e4 LT |
54 | MODULE_AUTHOR("Franz Sirl <Franz.Sirl-kernel@lauterbach.com>"); |
55 | ||
9a402b64 AM |
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 | ||
1da177e4 LT |
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 | ||
9b4a8dd2 | 79 | static const u16 adb_to_linux_keycodes[128] = { |
1da177e4 LT |
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 */ | |
555ddbb4 | 143 | /* 0x3f */ KEY_FN, /* 0x1d0 */ |
1da177e4 LT |
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 */ | |
b9ab58dd | 184 | /* 0x68 */ KEY_HANGEUL, /* 122 */ |
1da177e4 LT |
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 { | |
c7f7a569 | 211 | struct input_dev *input; |
1da177e4 LT |
212 | int id; |
213 | int default_id; | |
214 | int original_handler_id; | |
215 | int current_handler_id; | |
216 | int mouse_kind; | |
555ddbb4 | 217 | u16 *keycode; |
1da177e4 LT |
218 | char name[64]; |
219 | char phys[32]; | |
220 | int flags; | |
221 | }; | |
222 | ||
2e75f044 RL |
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 | |
5b7c407b | 229 | #define FLAG_POWER_KEY_PRESSED 0x00000040 |
1da177e4 LT |
230 | |
231 | static struct adbhid *adbhid[16]; | |
232 | ||
233 | static void adbhid_probe(void); | |
234 | ||
7d12e780 | 235 | static void adbhid_input_keycode(int, int, int); |
1da177e4 LT |
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 | ||
1da177e4 LT |
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 | |
7d12e780 | 266 | adbhid_keyboard_input(unsigned char *data, int nb, int apoll) |
1da177e4 LT |
267 | { |
268 | int id = (data[0] >> 4) & 0x0f; | |
269 | ||
270 | if (!adbhid[id]) { | |
f2be6295 | 271 | pr_err("ADB HID on ID %d not yet registered, packet %#02x, %#02x, %#02x, %#02x\n", |
1da177e4 LT |
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 */ | |
7d12e780 | 279 | adbhid_input_keycode(id, data[1], 0); |
1da177e4 | 280 | if (!(data[2] == 0xff || (data[2] == 0x7f && data[1] == 0x7f))) |
7d12e780 | 281 | adbhid_input_keycode(id, data[2], 0); |
1da177e4 LT |
282 | } |
283 | ||
284 | static void | |
9a402b64 | 285 | adbhid_input_keycode(int id, int scancode, int repeat) |
1da177e4 LT |
286 | { |
287 | struct adbhid *ahid = adbhid[id]; | |
68f3e662 | 288 | int keycode, up_flag, key; |
9a402b64 AM |
289 | |
290 | keycode = scancode & 0x7f; | |
291 | up_flag = scancode & 0x80; | |
1da177e4 | 292 | |
9a402b64 AM |
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. */ | |
2e75f044 RL |
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 | |
9a402b64 | 304 | | FLAG_CAPSLOCK_DOWN; |
2e75f044 | 305 | } |
5b7c407b RL |
306 | } else if (scancode == 0xff && |
307 | !(ahid->flags & FLAG_POWER_KEY_PRESSED)) { | |
9a402b64 | 308 | /* Scancode 0xff usually signifies that the capslock |
5b7c407b RL |
309 | * key was either pressed or released, or that the |
310 | * power button was released. */ | |
9a402b64 AM |
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 { | |
f2be6295 | 323 | pr_info("Spurious caps lock event (scancode 0xff).\n"); |
9a402b64 AM |
324 | } |
325 | } | |
326 | } | |
1da177e4 LT |
327 | |
328 | switch (keycode) { | |
9a402b64 AM |
329 | case ADB_KEY_CAPSLOCK: |
330 | if (!restore_capslock_events) { | |
25985edc | 331 | /* Generate down/up events for CapsLock every time. */ |
9a402b64 AM |
332 | input_report_key(ahid->input, KEY_CAPSLOCK, 1); |
333 | input_sync(ahid->input); | |
334 | input_report_key(ahid->input, KEY_CAPSLOCK, 0); | |
335 | input_sync(ahid->input); | |
9f31c05e | 336 | return; |
9a402b64 | 337 | } |
9f31c05e | 338 | break; |
1da177e4 LT |
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; | |
b981d8b3 | 349 | case ADB_KEY_POWER: |
5b7c407b RL |
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 | ||
1da177e4 LT |
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; | |
555ddbb4 | 380 | break; |
1da177e4 LT |
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 | ||
555ddbb4 AR |
394 | key = adbhid[id]->keycode[keycode]; |
395 | if (key) { | |
396 | input_report_key(adbhid[id]->input, key, !up_flag); | |
c7f7a569 | 397 | input_sync(adbhid[id]->input); |
1da177e4 | 398 | } else |
f2be6295 AS |
399 | pr_info("Unhandled ADB key (scancode %#02x) %s.\n", keycode, |
400 | up_flag ? "released" : "pressed"); | |
1da177e4 LT |
401 | |
402 | } | |
403 | ||
404 | static void | |
7d12e780 | 405 | adbhid_mouse_input(unsigned char *data, int nb, int autopoll) |
1da177e4 LT |
406 | { |
407 | int id = (data[0] >> 4) & 0x0f; | |
408 | ||
409 | if (!adbhid[id]) { | |
f2be6295 | 410 | pr_err("ADB HID on ID %d not yet registered\n", id); |
1da177e4 LT |
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 | ||
c7f7a569 DT |
488 | input_report_key(adbhid[id]->input, BTN_LEFT, !((data[1] >> 7) & 1)); |
489 | input_report_key(adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1)); | |
1da177e4 LT |
490 | |
491 | if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD) | |
c7f7a569 | 492 | input_report_key(adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1)); |
1da177e4 | 493 | |
c7f7a569 | 494 | input_report_rel(adbhid[id]->input, REL_X, |
1da177e4 | 495 | ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 )); |
c7f7a569 | 496 | input_report_rel(adbhid[id]->input, REL_Y, |
1da177e4 LT |
497 | ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 )); |
498 | ||
c7f7a569 | 499 | input_sync(adbhid[id]->input); |
1da177e4 LT |
500 | } |
501 | ||
502 | static void | |
7d12e780 | 503 | adbhid_buttons_input(unsigned char *data, int nb, int autopoll) |
1da177e4 LT |
504 | { |
505 | int id = (data[0] >> 4) & 0x0f; | |
506 | ||
507 | if (!adbhid[id]) { | |
f2be6295 | 508 | pr_err("ADB HID on ID %d not yet registered\n", id); |
1da177e4 LT |
509 | return; |
510 | } | |
511 | ||
1da177e4 LT |
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 */ | |
c7f7a569 | 520 | input_report_key(adbhid[id]->input, KEY_SOUND, down); |
1da177e4 LT |
521 | break; |
522 | ||
523 | case 0x1: /* mute */ | |
c7f7a569 | 524 | input_report_key(adbhid[id]->input, KEY_MUTE, down); |
1da177e4 LT |
525 | break; |
526 | ||
527 | case 0x2: /* volume decrease */ | |
c7f7a569 | 528 | input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); |
1da177e4 LT |
529 | break; |
530 | ||
531 | case 0x3: /* volume increase */ | |
c7f7a569 | 532 | input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); |
1da177e4 LT |
533 | break; |
534 | ||
535 | default: | |
f2be6295 AS |
536 | pr_info("Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", |
537 | data[0], data[1], data[2], data[3]); | |
1da177e4 LT |
538 | break; |
539 | } | |
540 | } | |
541 | break; | |
542 | ||
543 | case 0x1f: /* Powerbook button device */ | |
544 | { | |
545 | int down = (data[1] == (data[1] & 0xf)); | |
5474c120 | 546 | |
1da177e4 LT |
547 | /* |
548 | * XXX: Where is the contrast control for the passive? | |
549 | * -- Cort | |
550 | */ | |
551 | ||
552 | switch (data[1] & 0x0f) { | |
553 | case 0x8: /* mute */ | |
c7f7a569 | 554 | input_report_key(adbhid[id]->input, KEY_MUTE, down); |
1da177e4 LT |
555 | break; |
556 | ||
557 | case 0x7: /* volume decrease */ | |
c7f7a569 | 558 | input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); |
1da177e4 LT |
559 | break; |
560 | ||
561 | case 0x6: /* volume increase */ | |
c7f7a569 | 562 | input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); |
1da177e4 LT |
563 | break; |
564 | ||
565 | case 0xb: /* eject */ | |
c7f7a569 | 566 | input_report_key(adbhid[id]->input, KEY_EJECTCD, down); |
1da177e4 LT |
567 | break; |
568 | ||
569 | case 0xa: /* brightness decrease */ | |
570 | #ifdef CONFIG_PMAC_BACKLIGHT | |
4b755999 | 571 | if (down) |
5474c120 MH |
572 | pmac_backlight_key_down(); |
573 | #endif | |
c7f7a569 | 574 | input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down); |
1da177e4 LT |
575 | break; |
576 | ||
577 | case 0x9: /* brightness increase */ | |
578 | #ifdef CONFIG_PMAC_BACKLIGHT | |
4b755999 | 579 | if (down) |
5474c120 MH |
580 | pmac_backlight_key_up(); |
581 | #endif | |
c7f7a569 | 582 | input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down); |
1da177e4 | 583 | break; |
146a4b3b AJ |
584 | |
585 | case 0xc: /* videomode switch */ | |
c7f7a569 | 586 | input_report_key(adbhid[id]->input, KEY_SWITCHVIDEOMODE, down); |
146a4b3b AJ |
587 | break; |
588 | ||
589 | case 0xd: /* keyboard illumination toggle */ | |
c7f7a569 | 590 | input_report_key(adbhid[id]->input, KEY_KBDILLUMTOGGLE, down); |
146a4b3b AJ |
591 | break; |
592 | ||
593 | case 0xe: /* keyboard illumination decrease */ | |
c7f7a569 | 594 | input_report_key(adbhid[id]->input, KEY_KBDILLUMDOWN, down); |
146a4b3b AJ |
595 | break; |
596 | ||
597 | case 0xf: | |
598 | switch (data[1]) { | |
599 | case 0x8f: | |
600 | case 0x0f: | |
601 | /* keyboard illumination increase */ | |
c7f7a569 | 602 | input_report_key(adbhid[id]->input, KEY_KBDILLUMUP, down); |
146a4b3b AJ |
603 | break; |
604 | ||
605 | case 0x7f: | |
606 | case 0xff: | |
607 | /* keypad overlay toogle */ | |
608 | break; | |
609 | ||
610 | default: | |
f2be6295 AS |
611 | pr_info("Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", |
612 | data[0], data[1], data[2], data[3]); | |
146a4b3b AJ |
613 | break; |
614 | } | |
615 | break; | |
616 | default: | |
f2be6295 AS |
617 | pr_info("Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", |
618 | data[0], data[1], data[2], data[3]); | |
146a4b3b | 619 | break; |
1da177e4 LT |
620 | } |
621 | } | |
622 | break; | |
623 | } | |
624 | ||
c7f7a569 | 625 | input_sync(adbhid[id]->input); |
1da177e4 LT |
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]; | |
87275856 OH |
632 | static int pending_led_start; |
633 | static int pending_led_end; | |
1da177e4 LT |
634 | static DEFINE_SPINLOCK(leds_lock); |
635 | ||
636 | static void leds_done(struct adb_request *req) | |
637 | { | |
638 | int leds = 0, device = 0, pending = 0; | |
639 | unsigned long flags; | |
640 | ||
641 | spin_lock_irqsave(&leds_lock, flags); | |
642 | ||
643 | if (pending_led_start != pending_led_end) { | |
644 | device = pending_devs[pending_led_start]; | |
645 | leds = leds_pending[device] & 0xff; | |
646 | leds_pending[device] = 0; | |
647 | pending_led_start++; | |
648 | pending_led_start = (pending_led_start < 16) ? pending_led_start : 0; | |
649 | pending = leds_req_pending; | |
650 | } else | |
651 | leds_req_pending = 0; | |
652 | spin_unlock_irqrestore(&leds_lock, flags); | |
653 | if (pending) | |
654 | adb_request(&led_request, leds_done, 0, 3, | |
655 | ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); | |
656 | } | |
657 | ||
658 | static void real_leds(unsigned char leds, int device) | |
659 | { | |
660 | unsigned long flags; | |
661 | ||
662 | spin_lock_irqsave(&leds_lock, flags); | |
663 | if (!leds_req_pending) { | |
664 | leds_req_pending = 1; | |
665 | spin_unlock_irqrestore(&leds_lock, flags); | |
666 | adb_request(&led_request, leds_done, 0, 3, | |
667 | ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); | |
668 | return; | |
669 | } else { | |
670 | if (!(leds_pending[device] & 0x100)) { | |
671 | pending_devs[pending_led_end] = device; | |
672 | pending_led_end++; | |
673 | pending_led_end = (pending_led_end < 16) ? pending_led_end : 0; | |
674 | } | |
675 | leds_pending[device] = leds | 0x100; | |
676 | } | |
677 | spin_unlock_irqrestore(&leds_lock, flags); | |
678 | } | |
679 | ||
680 | /* | |
681 | * Event callback from the input module. Events that change the state of | |
682 | * the hardware are processed here. | |
683 | */ | |
684 | static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) | |
685 | { | |
7d7b33d6 | 686 | struct adbhid *adbhid = input_get_drvdata(dev); |
1da177e4 LT |
687 | unsigned char leds; |
688 | ||
689 | switch (type) { | |
690 | case EV_LED: | |
7d7b33d6 DT |
691 | leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) | |
692 | (test_bit(LED_NUML, dev->led) ? 1 : 0) | | |
693 | (test_bit(LED_CAPSL, dev->led) ? 2 : 0); | |
694 | real_leds(leds, adbhid->id); | |
695 | return 0; | |
1da177e4 LT |
696 | } |
697 | ||
698 | return -1; | |
699 | } | |
700 | ||
2e75f044 RL |
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 | ||
1da177e4 LT |
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: | |
7d7b33d6 | 722 | /* Stop the repeat timer. Autopoll is already off at this point */ |
1da177e4 LT |
723 | { |
724 | int i; | |
725 | for (i = 1; i < 16; i++) { | |
726 | if (adbhid[i]) | |
c7f7a569 | 727 | del_timer_sync(&adbhid[i]->input->timer); |
1da177e4 LT |
728 | } |
729 | } | |
730 | ||
731 | /* Stop pending led requests */ | |
2e75f044 | 732 | while (leds_req_pending) |
1da177e4 | 733 | adb_poll(); |
2e75f044 RL |
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 | ||
1da177e4 LT |
743 | break; |
744 | ||
745 | case ADB_MSG_POST_RESET: | |
746 | adbhid_probe(); | |
747 | break; | |
748 | } | |
749 | return NOTIFY_DONE; | |
750 | } | |
751 | ||
c7f7a569 | 752 | static int |
1da177e4 LT |
753 | adbhid_input_register(int id, int default_id, int original_handler_id, |
754 | int current_handler_id, int mouse_kind) | |
755 | { | |
c7f7a569 DT |
756 | struct adbhid *hid; |
757 | struct input_dev *input_dev; | |
758 | int err; | |
1da177e4 | 759 | int i; |
2341629e | 760 | char *keyboard_type; |
1da177e4 LT |
761 | |
762 | if (adbhid[id]) { | |
f2be6295 | 763 | pr_err("Trying to reregister ADB HID on ID %d\n", id); |
c7f7a569 | 764 | return -EEXIST; |
1da177e4 LT |
765 | } |
766 | ||
c7f7a569 DT |
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; | |
c7f7a569 | 772 | } |
1da177e4 | 773 | |
c7f7a569 DT |
774 | sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id); |
775 | ||
eb16292b | 776 | hid->input = input_dev; |
c7f7a569 DT |
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; | |
7d7b33d6 | 782 | input_set_drvdata(input_dev, hid); |
c7f7a569 DT |
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; | |
1da177e4 LT |
789 | |
790 | switch (default_id) { | |
791 | case ADB_KEYBOARD: | |
c7f7a569 DT |
792 | hid->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL); |
793 | if (!hid->keycode) { | |
794 | err = -ENOMEM; | |
795 | goto fail; | |
1da177e4 LT |
796 | } |
797 | ||
c7f7a569 | 798 | sprintf(hid->name, "ADB keyboard"); |
1da177e4 | 799 | |
c7f7a569 | 800 | memcpy(hid->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes)); |
1da177e4 | 801 | |
1da177e4 LT |
802 | switch (original_handler_id) { |
803 | default: | |
2341629e | 804 | keyboard_type = "<unknown>"; |
c7f7a569 | 805 | input_dev->id.version = ADB_KEYBOARD_UNKNOWN; |
1da177e4 LT |
806 | break; |
807 | ||
808 | case 0x01: case 0x02: case 0x03: case 0x06: case 0x08: | |
809 | case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C: | |
810 | case 0xC0: case 0xC3: case 0xC6: | |
2341629e | 811 | keyboard_type = "ANSI"; |
c7f7a569 | 812 | input_dev->id.version = ADB_KEYBOARD_ANSI; |
1da177e4 LT |
813 | break; |
814 | ||
815 | case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D: | |
816 | case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1: | |
817 | case 0xC4: case 0xC7: | |
2341629e | 818 | keyboard_type = "ISO, swapping keys"; |
c7f7a569 DT |
819 | input_dev->id.version = ADB_KEYBOARD_ISO; |
820 | i = hid->keycode[10]; | |
821 | hid->keycode[10] = hid->keycode[50]; | |
822 | hid->keycode[50] = i; | |
1da177e4 LT |
823 | break; |
824 | ||
825 | case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A: | |
826 | case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9: | |
2341629e | 827 | keyboard_type = "JIS"; |
c7f7a569 | 828 | input_dev->id.version = ADB_KEYBOARD_JIS; |
1da177e4 LT |
829 | break; |
830 | } | |
2341629e | 831 | pr_info("Detected ADB keyboard, type %s.\n", keyboard_type); |
1da177e4 LT |
832 | |
833 | for (i = 0; i < 128; i++) | |
c7f7a569 DT |
834 | if (hid->keycode[i]) |
835 | set_bit(hid->keycode[i], input_dev->keybit); | |
836 | ||
7b19ada2 JS |
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); | |
c7f7a569 | 841 | input_dev->event = adbhid_kbd_event; |
555ddbb4 AR |
842 | input_dev->keycodemax = KEY_FN; |
843 | input_dev->keycodesize = sizeof(hid->keycode[0]); | |
1da177e4 LT |
844 | break; |
845 | ||
846 | case ADB_MOUSE: | |
c7f7a569 | 847 | sprintf(hid->name, "ADB mouse"); |
1da177e4 | 848 | |
7b19ada2 JS |
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); | |
1da177e4 LT |
853 | break; |
854 | ||
855 | case ADB_MISC: | |
856 | switch (original_handler_id) { | |
857 | case 0x02: /* Adjustable keyboard button device */ | |
c7f7a569 | 858 | sprintf(hid->name, "ADB adjustable keyboard buttons"); |
7b19ada2 JS |
859 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | |
860 | BIT_MASK(EV_REP); | |
c7f7a569 DT |
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); | |
1da177e4 LT |
865 | break; |
866 | case 0x1f: /* Powerbook button device */ | |
c7f7a569 | 867 | sprintf(hid->name, "ADB Powerbook buttons"); |
7b19ada2 JS |
868 | input_dev->evbit[0] = BIT_MASK(EV_KEY) | |
869 | BIT_MASK(EV_REP); | |
c7f7a569 DT |
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); | |
1da177e4 LT |
880 | break; |
881 | } | |
c7f7a569 | 882 | if (hid->name[0]) |
1da177e4 LT |
883 | break; |
884 | /* else fall through */ | |
885 | ||
886 | default: | |
f2be6295 | 887 | pr_info("Trying to register unknown ADB device to input layer.\n"); |
c7f7a569 DT |
888 | err = -ENODEV; |
889 | goto fail; | |
1da177e4 LT |
890 | } |
891 | ||
c7f7a569 | 892 | input_dev->keycode = hid->keycode; |
1da177e4 | 893 | |
4bdbd280 DT |
894 | err = input_register_device(input_dev); |
895 | if (err) | |
896 | goto fail; | |
1da177e4 LT |
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 | */ | |
c7f7a569 DT |
902 | input_dev->rep[REP_DELAY] = 500; /* input layer default: 250 */ |
903 | input_dev->rep[REP_PERIOD] = 66; /* input layer default: 33 */ | |
1da177e4 | 904 | } |
c7f7a569 DT |
905 | |
906 | return 0; | |
907 | ||
908 | fail: input_free_device(input_dev); | |
4bdbd280 DT |
909 | if (hid) { |
910 | kfree(hid->keycode); | |
911 | kfree(hid); | |
912 | } | |
c7f7a569 DT |
913 | adbhid[id] = NULL; |
914 | return err; | |
1da177e4 LT |
915 | } |
916 | ||
917 | static void adbhid_input_unregister(int id) | |
918 | { | |
c7f7a569 | 919 | input_unregister_device(adbhid[id]->input); |
6044ec88 | 920 | kfree(adbhid[id]->keycode); |
1da177e4 LT |
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]) { | |
c7f7a569 | 931 | if (adbhid[id]->input->id.product != |
1da177e4 LT |
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 */ | |
2341629e | 976 | if (!adb_try_handler_change(id, 5)) |
1da177e4 | 977 | #endif |
2341629e | 978 | adb_try_handler_change(id, 3); |
1da177e4 LT |
979 | |
980 | adb_get_infos(id, &default_id, &cur_handler_id); | |
2341629e FT |
981 | printk(KERN_DEBUG "ADB keyboard at %d has handler 0x%X\n", |
982 | id, cur_handler_id); | |
1da177e4 LT |
983 | reg |= adbhid_input_reregister(id, default_id, org_handler_id, |
984 | cur_handler_id, 0); | |
985 | } | |
986 | ||
987 | for (i = 0; i < buttons_ids.nids; i++) { | |
988 | int id = buttons_ids.id[i]; | |
989 | ||
990 | adb_get_infos(id, &default_id, &org_handler_id); | |
991 | reg |= adbhid_input_reregister(id, default_id, org_handler_id, | |
992 | org_handler_id, 0); | |
993 | } | |
994 | ||
995 | /* Try to switch all mice to handler 4, or 2 for three-button | |
996 | mode and full resolution. */ | |
997 | for (i = 0; i < mouse_ids.nids; i++) { | |
998 | int id = mouse_ids.id[i]; | |
999 | int mouse_kind; | |
2341629e | 1000 | char *desc = "standard"; |
1da177e4 LT |
1001 | |
1002 | adb_get_infos(id, &default_id, &org_handler_id); | |
1003 | ||
1004 | if (adb_try_handler_change(id, 4)) { | |
1da177e4 LT |
1005 | mouse_kind = ADBMOUSE_EXTENDED; |
1006 | } | |
1007 | else if (adb_try_handler_change(id, 0x2F)) { | |
1da177e4 LT |
1008 | mouse_kind = ADBMOUSE_MICROSPEED; |
1009 | } | |
1010 | else if (adb_try_handler_change(id, 0x42)) { | |
1da177e4 LT |
1011 | mouse_kind = ADBMOUSE_TRACKBALLPRO; |
1012 | } | |
1013 | else if (adb_try_handler_change(id, 0x66)) { | |
1da177e4 LT |
1014 | mouse_kind = ADBMOUSE_MICROSPEED; |
1015 | } | |
1016 | else if (adb_try_handler_change(id, 0x5F)) { | |
1da177e4 LT |
1017 | mouse_kind = ADBMOUSE_MICROSPEED; |
1018 | } | |
1019 | else if (adb_try_handler_change(id, 3)) { | |
1da177e4 LT |
1020 | mouse_kind = ADBMOUSE_MS_A3; |
1021 | } | |
1022 | else if (adb_try_handler_change(id, 2)) { | |
1da177e4 LT |
1023 | mouse_kind = ADBMOUSE_STANDARD_200; |
1024 | } | |
1025 | else { | |
1da177e4 LT |
1026 | mouse_kind = ADBMOUSE_STANDARD_100; |
1027 | } | |
1028 | ||
1029 | if ((mouse_kind == ADBMOUSE_TRACKBALLPRO) | |
1030 | || (mouse_kind == ADBMOUSE_MICROSPEED)) { | |
2341629e | 1031 | desc = "Microspeed/MacPoint or compatible"; |
1da177e4 LT |
1032 | init_microspeed(id); |
1033 | } else if (mouse_kind == ADBMOUSE_MS_A3) { | |
2341629e | 1034 | desc = "Mouse Systems A3 Mouse or compatible"; |
1da177e4 LT |
1035 | init_ms_a3(id); |
1036 | } else if (mouse_kind == ADBMOUSE_EXTENDED) { | |
2341629e | 1037 | desc = "extended"; |
1da177e4 LT |
1038 | /* |
1039 | * Register 1 is usually used for device | |
1040 | * identification. Here, we try to identify | |
1041 | * a known device and call the appropriate | |
1042 | * init function. | |
1043 | */ | |
1044 | adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, | |
1045 | ADB_READREG(id, 1)); | |
1046 | ||
1047 | if ((req.reply_len) && | |
1048 | (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21) | |
1049 | || (req.reply[2] == 0x20))) { | |
1050 | mouse_kind = ADBMOUSE_TRACKBALL; | |
2341629e | 1051 | desc = "trackman/mouseman"; |
1da177e4 LT |
1052 | init_trackball(id); |
1053 | } | |
1054 | else if ((req.reply_len >= 4) && | |
1055 | (req.reply[1] == 0x74) && (req.reply[2] == 0x70) && | |
1056 | (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) { | |
1057 | mouse_kind = ADBMOUSE_TRACKPAD; | |
2341629e | 1058 | desc = "trackpad"; |
1da177e4 LT |
1059 | init_trackpad(id); |
1060 | } | |
1061 | else if ((req.reply_len >= 4) && | |
1062 | (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) && | |
1063 | (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) { | |
1064 | mouse_kind = ADBMOUSE_TURBOMOUSE5; | |
2341629e | 1065 | desc = "TurboMouse 5"; |
1da177e4 LT |
1066 | init_turbomouse(id); |
1067 | } | |
1068 | else if ((req.reply_len == 9) && | |
1069 | (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) && | |
1070 | (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) { | |
1071 | if (adb_try_handler_change(id, 0x42)) { | |
1da177e4 | 1072 | mouse_kind = ADBMOUSE_MACALLY2; |
2341629e | 1073 | desc = "MacAlly 2-button"; |
1da177e4 LT |
1074 | } |
1075 | } | |
1076 | } | |
1da177e4 LT |
1077 | |
1078 | adb_get_infos(id, &default_id, &cur_handler_id); | |
2341629e FT |
1079 | printk(KERN_DEBUG "ADB mouse (%s) at %d has handler 0x%X\n", |
1080 | desc, id, cur_handler_id); | |
1da177e4 LT |
1081 | reg |= adbhid_input_reregister(id, default_id, org_handler_id, |
1082 | cur_handler_id, mouse_kind); | |
1083 | } | |
1084 | adbhid_input_devcleanup(reg); | |
1085 | } | |
1086 | ||
1087 | static void | |
1088 | init_trackpad(int id) | |
1089 | { | |
1090 | struct adb_request req; | |
1091 | unsigned char r1_buffer[8]; | |
1092 | ||
1da177e4 LT |
1093 | adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, |
1094 | ADB_READREG(id,1)); | |
1095 | if (req.reply_len < 8) | |
2341629e | 1096 | pr_err("%s: bad length for reg. 1\n", __func__); |
1da177e4 LT |
1097 | else |
1098 | { | |
1099 | memcpy(r1_buffer, &req.reply[1], 8); | |
1100 | ||
1101 | adb_request(&req, NULL, ADBREQ_SYNC, 9, | |
1102 | ADB_WRITEREG(id,1), | |
1103 | r1_buffer[0], | |
1104 | r1_buffer[1], | |
1105 | r1_buffer[2], | |
1106 | r1_buffer[3], | |
1107 | r1_buffer[4], | |
1108 | r1_buffer[5], | |
1109 | 0x0d, | |
1110 | r1_buffer[7]); | |
1111 | ||
1112 | adb_request(&req, NULL, ADBREQ_SYNC, 9, | |
1113 | ADB_WRITEREG(id,2), | |
1114 | 0x99, | |
1115 | 0x94, | |
1116 | 0x19, | |
1117 | 0xff, | |
1118 | 0xb2, | |
1119 | 0x8a, | |
1120 | 0x1b, | |
1121 | 0x50); | |
1122 | ||
1123 | adb_request(&req, NULL, ADBREQ_SYNC, 9, | |
1124 | ADB_WRITEREG(id,1), | |
1125 | r1_buffer[0], | |
1126 | r1_buffer[1], | |
1127 | r1_buffer[2], | |
1128 | r1_buffer[3], | |
1129 | r1_buffer[4], | |
1130 | r1_buffer[5], | |
1131 | 0x03, /*r1_buffer[6],*/ | |
1132 | r1_buffer[7]); | |
1133 | ||
1134 | /* Without this flush, the trackpad may be locked up */ | |
1135 | adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); | |
1136 | } | |
1137 | } | |
1138 | ||
1139 | static void | |
1140 | init_trackball(int id) | |
1141 | { | |
1142 | struct adb_request req; | |
1143 | ||
1da177e4 LT |
1144 | adb_request(&req, NULL, ADBREQ_SYNC, 3, |
1145 | ADB_WRITEREG(id,1), 00,0x81); | |
1146 | ||
1147 | adb_request(&req, NULL, ADBREQ_SYNC, 3, | |
1148 | ADB_WRITEREG(id,1), 01,0x81); | |
1149 | ||
1150 | adb_request(&req, NULL, ADBREQ_SYNC, 3, | |
1151 | ADB_WRITEREG(id,1), 02,0x81); | |
1152 | ||
1153 | adb_request(&req, NULL, ADBREQ_SYNC, 3, | |
1154 | ADB_WRITEREG(id,1), 03,0x38); | |
1155 | ||
1156 | adb_request(&req, NULL, ADBREQ_SYNC, 3, | |
1157 | ADB_WRITEREG(id,1), 00,0x81); | |
1158 | ||
1159 | adb_request(&req, NULL, ADBREQ_SYNC, 3, | |
1160 | ADB_WRITEREG(id,1), 01,0x81); | |
1161 | ||
1162 | adb_request(&req, NULL, ADBREQ_SYNC, 3, | |
1163 | ADB_WRITEREG(id,1), 02,0x81); | |
1164 | ||
1165 | adb_request(&req, NULL, ADBREQ_SYNC, 3, | |
1166 | ADB_WRITEREG(id,1), 03,0x38); | |
1167 | } | |
1168 | ||
1169 | static void | |
1170 | init_turbomouse(int id) | |
1171 | { | |
1172 | struct adb_request req; | |
1173 | ||
1da177e4 LT |
1174 | adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); |
1175 | ||
1176 | adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); | |
1177 | ||
1178 | adb_request(&req, NULL, ADBREQ_SYNC, 9, | |
1179 | ADB_WRITEREG(3,2), | |
1180 | 0xe7, | |
1181 | 0x8c, | |
1182 | 0, | |
1183 | 0, | |
1184 | 0, | |
1185 | 0xff, | |
1186 | 0xff, | |
1187 | 0x94); | |
1188 | ||
1189 | adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); | |
1190 | ||
1191 | adb_request(&req, NULL, ADBREQ_SYNC, 9, | |
1192 | ADB_WRITEREG(3,2), | |
1193 | 0xa5, | |
1194 | 0x14, | |
1195 | 0, | |
1196 | 0, | |
1197 | 0x69, | |
1198 | 0xff, | |
1199 | 0xff, | |
1200 | 0x27); | |
1201 | } | |
1202 | ||
1203 | static void | |
1204 | init_microspeed(int id) | |
1205 | { | |
1206 | struct adb_request req; | |
1207 | ||
1da177e4 LT |
1208 | adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); |
1209 | ||
1210 | /* This will initialize mice using the Microspeed, MacPoint and | |
1211 | other compatible firmware. Bit 12 enables extended protocol. | |
1212 | ||
1213 | Register 1 Listen (4 Bytes) | |
1214 | 0 - 3 Button is mouse (set also for double clicking!!!) | |
1215 | 4 - 7 Button is locking (affects change speed also) | |
1216 | 8 - 11 Button changes speed | |
1217 | 12 1 = Extended mouse mode, 0 = normal mouse mode | |
1218 | 13 - 15 unused 0 | |
1219 | 16 - 23 normal speed | |
1220 | 24 - 31 changed speed | |
1221 | ||
1222 | Register 1 talk holds version and product identification information. | |
1223 | Register 1 Talk (4 Bytes): | |
1224 | 0 - 7 Product code | |
1225 | 8 - 23 undefined, reserved | |
1226 | 24 - 31 Version number | |
1227 | ||
1228 | Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max. | |
1229 | */ | |
1230 | adb_request(&req, NULL, ADBREQ_SYNC, 5, | |
1231 | ADB_WRITEREG(id,1), | |
1232 | 0x20, /* alt speed = 0x20 (rather slow) */ | |
1233 | 0x00, /* norm speed = 0x00 (fastest) */ | |
1234 | 0x10, /* extended protocol, no speed change */ | |
1235 | 0x07); /* all buttons enabled as mouse buttons, no locking */ | |
1236 | ||
1237 | ||
1238 | adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); | |
1239 | } | |
1240 | ||
1241 | static void | |
1242 | init_ms_a3(int id) | |
1243 | { | |
1244 | struct adb_request req; | |
1245 | ||
1da177e4 LT |
1246 | adb_request(&req, NULL, ADBREQ_SYNC, 3, |
1247 | ADB_WRITEREG(id, 0x2), | |
1248 | 0x00, | |
1249 | 0x07); | |
1250 | ||
1251 | adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); | |
1252 | } | |
1253 | ||
1254 | static int __init adbhid_init(void) | |
1255 | { | |
1256 | #ifndef CONFIG_MAC | |
e8222502 BH |
1257 | if (!machine_is(chrp) && !machine_is(powermac)) |
1258 | return 0; | |
1da177e4 LT |
1259 | #endif |
1260 | ||
1261 | led_request.complete = 1; | |
1262 | ||
1263 | adbhid_probe(); | |
1264 | ||
e041c683 AS |
1265 | blocking_notifier_chain_register(&adb_client_list, |
1266 | &adbhid_adb_notifier); | |
1da177e4 LT |
1267 | |
1268 | return 0; | |
1269 | } | |
1270 | ||
1271 | static void __exit adbhid_exit(void) | |
1272 | { | |
1273 | } | |
1274 | ||
1275 | module_init(adbhid_init); | |
1276 | module_exit(adbhid_exit); |