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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [macintosh/] [adbhid.c] - Blame information for rev 62

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

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