drivers/macintosh/adbhid.c

   1 /*
   2  * drivers/input/adbhid.c
   3  *
   4  * ADB HID driver for Power Macintosh computers.
   5  *
   6  * Adapted from drivers/macintosh/mac_keyb.c by Franz Sirl.
   7  * 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 #define KEYB_KEYREG     0       /* register # for key up/down data */
  56 #define KEYB_LEDREG     2       /* register # for leds on ADB keyboard */
  57 #define MOUSE_DATAREG   0       /* reg# for movement/button codes from mouse */
  58
  59 static int adb_message_handler(struct notifier_block *, unsigned long, void *);
  60 static struct notifier_block adbhid_adb_notifier = {
  61         .notifier_call  = adb_message_handler,
  62 };
  63
  64 /* Some special keys */
  65 #define ADB_KEY_DEL             0x33
  66 #define ADB_KEY_CMD             0x37
  67 #define ADB_KEY_CAPSLOCK        0x39
  68 #define ADB_KEY_FN              0x3f
  69 #define ADB_KEY_FWDEL           0x75
  70 #define ADB_KEY_POWER_OLD       0x7e
  71 #define ADB_KEY_POWER           0x7f
  72
  73 u8 adb_to_linux_keycodes[128] = {
  74         /* 0x00 */ KEY_A,               /*  30 */
  75         /* 0x01 */ KEY_S,               /*  31 */
  76         /* 0x02 */ KEY_D,               /*  32 */
  77         /* 0x03 */ KEY_F,               /*  33 */
  78         /* 0x04 */ KEY_H,               /*  35 */
  79         /* 0x05 */ KEY_G,               /*  34 */
  80         /* 0x06 */ KEY_Z,               /*  44 */
  81         /* 0x07 */ KEY_X,               /*  45 */
  82         /* 0x08 */ KEY_C,               /*  46 */
  83         /* 0x09 */ KEY_V,               /*  47 */
  84         /* 0x0a */ KEY_102ND,           /*  86 */
  85         /* 0x0b */ KEY_B,               /*  48 */
  86         /* 0x0c */ KEY_Q,               /*  16 */
  87         /* 0x0d */ KEY_W,               /*  17 */
  88         /* 0x0e */ KEY_E,               /*  18 */
  89         /* 0x0f */ KEY_R,               /*  19 */
  90         /* 0x10 */ KEY_Y,               /*  21 */
  91         /* 0x11 */ KEY_T,               /*  20 */
  92         /* 0x12 */ KEY_1,               /*   2 */
  93         /* 0x13 */ KEY_2,               /*   3 */
  94         /* 0x14 */ KEY_3,               /*   4 */
  95         /* 0x15 */ KEY_4,               /*   5 */
  96         /* 0x16 */ KEY_6,               /*   7 */
  97         /* 0x17 */ KEY_5,               /*   6 */
  98         /* 0x18 */ KEY_EQUAL,           /*  13 */
  99         /* 0x19 */ KEY_9,               /*  10 */
 100         /* 0x1a */ KEY_7,               /*   8 */
 101         /* 0x1b */ KEY_MINUS,           /*  12 */
 102         /* 0x1c */ KEY_8,               /*   9 */
 103         /* 0x1d */ KEY_0,               /*  11 */
 104         /* 0x1e */ KEY_RIGHTBRACE,      /*  27 */
 105         /* 0x1f */ KEY_O,               /*  24 */
 106         /* 0x20 */ KEY_U,               /*  22 */
 107         /* 0x21 */ KEY_LEFTBRACE,       /*  26 */
 108         /* 0x22 */ KEY_I,               /*  23 */
 109         /* 0x23 */ KEY_P,               /*  25 */
 110         /* 0x24 */ KEY_ENTER,           /*  28 */
 111         /* 0x25 */ KEY_L,               /*  38 */
 112         /* 0x26 */ KEY_J,               /*  36 */
 113         /* 0x27 */ KEY_APOSTROPHE,      /*  40 */
 114         /* 0x28 */ KEY_K,               /*  37 */
 115         /* 0x29 */ KEY_SEMICOLON,       /*  39 */
 116         /* 0x2a */ KEY_BACKSLASH,       /*  43 */
 117         /* 0x2b */ KEY_COMMA,           /*  51 */
 118         /* 0x2c */ KEY_SLASH,           /*  53 */
 119         /* 0x2d */ KEY_N,               /*  49 */
 120         /* 0x2e */ KEY_M,               /*  50 */
 121         /* 0x2f */ KEY_DOT,             /*  52 */
 122         /* 0x30 */ KEY_TAB,             /*  15 */
 123         /* 0x31 */ KEY_SPACE,           /*  57 */
 124         /* 0x32 */ KEY_GRAVE,           /*  41 */
 125         /* 0x33 */ KEY_BACKSPACE,       /*  14 */
 126         /* 0x34 */ KEY_KPENTER,         /*  96 */
 127         /* 0x35 */ KEY_ESC,             /*   1 */
 128         /* 0x36 */ KEY_LEFTCTRL,        /*  29 */
 129         /* 0x37 */ KEY_LEFTMETA,        /* 125 */
 130         /* 0x38 */ KEY_LEFTSHIFT,       /*  42 */
 131         /* 0x39 */ KEY_CAPSLOCK,        /*  58 */
 132         /* 0x3a */ KEY_LEFTALT,         /*  56 */
 133         /* 0x3b */ KEY_LEFT,            /* 105 */
 134         /* 0x3c */ KEY_RIGHT,           /* 106 */
 135         /* 0x3d */ KEY_DOWN,            /* 108 */
 136         /* 0x3e */ KEY_UP,              /* 103 */
 137         /* 0x3f */ 0,
 138         /* 0x40 */ 0,
 139         /* 0x41 */ KEY_KPDOT,           /*  83 */
 140         /* 0x42 */ 0,
 141         /* 0x43 */ KEY_KPASTERISK,      /*  55 */
 142         /* 0x44 */ 0,
 143         /* 0x45 */ KEY_KPPLUS,          /*  78 */
 144         /* 0x46 */ 0,
 145         /* 0x47 */ KEY_NUMLOCK,         /*  69 */
 146         /* 0x48 */ 0,
 147         /* 0x49 */ 0,
 148         /* 0x4a */ 0,
 149         /* 0x4b */ KEY_KPSLASH,         /*  98 */
 150         /* 0x4c */ KEY_KPENTER,         /*  96 */
 151         /* 0x4d */ 0,
 152         /* 0x4e */ KEY_KPMINUS,         /*  74 */
 153         /* 0x4f */ 0,
 154         /* 0x50 */ 0,
 155         /* 0x51 */ KEY_KPEQUAL,         /* 117 */
 156         /* 0x52 */ KEY_KP0,             /*  82 */
 157         /* 0x53 */ KEY_KP1,             /*  79 */
 158         /* 0x54 */ KEY_KP2,             /*  80 */
 159         /* 0x55 */ KEY_KP3,             /*  81 */
 160         /* 0x56 */ KEY_KP4,             /*  75 */
 161         /* 0x57 */ KEY_KP5,             /*  76 */
 162         /* 0x58 */ KEY_KP6,             /*  77 */
 163         /* 0x59 */ KEY_KP7,             /*  71 */
 164         /* 0x5a */ 0,
 165         /* 0x5b */ KEY_KP8,             /*  72 */
 166         /* 0x5c */ KEY_KP9,             /*  73 */
 167         /* 0x5d */ KEY_YEN,             /* 124 */
 168         /* 0x5e */ KEY_RO,              /*  89 */
 169         /* 0x5f */ KEY_KPCOMMA,         /* 121 */
 170         /* 0x60 */ KEY_F5,              /*  63 */
 171         /* 0x61 */ KEY_F6,              /*  64 */
 172         /* 0x62 */ KEY_F7,              /*  65 */
 173         /* 0x63 */ KEY_F3,              /*  61 */
 174         /* 0x64 */ KEY_F8,              /*  66 */
 175         /* 0x65 */ KEY_F9,              /*  67 */
 176         /* 0x66 */ KEY_HANJA,           /* 123 */
 177         /* 0x67 */ KEY_F11,             /*  87 */
 178         /* 0x68 */ KEY_HANGEUL,         /* 122 */
 179         /* 0x69 */ KEY_SYSRQ,           /*  99 */
 180         /* 0x6a */ 0,
 181         /* 0x6b */ KEY_SCROLLLOCK,      /*  70 */
 182         /* 0x6c */ 0,
 183         /* 0x6d */ KEY_F10,             /*  68 */
 184         /* 0x6e */ KEY_COMPOSE,         /* 127 */
 185         /* 0x6f */ KEY_F12,             /*  88 */
 186         /* 0x70 */ 0,
 187         /* 0x71 */ KEY_PAUSE,           /* 119 */
 188         /* 0x72 */ KEY_INSERT,          /* 110 */
 189         /* 0x73 */ KEY_HOME,            /* 102 */
 190         /* 0x74 */ KEY_PAGEUP,          /* 104 */
 191         /* 0x75 */ KEY_DELETE,          /* 111 */
 192         /* 0x76 */ KEY_F4,              /*  62 */
 193         /* 0x77 */ KEY_END,             /* 107 */
 194         /* 0x78 */ KEY_F2,              /*  60 */
 195         /* 0x79 */ KEY_PAGEDOWN,        /* 109 */
 196         /* 0x7a */ KEY_F1,              /*  59 */
 197         /* 0x7b */ KEY_RIGHTSHIFT,      /*  54 */
 198         /* 0x7c */ KEY_RIGHTALT,        /* 100 */
 199         /* 0x7d */ KEY_RIGHTCTRL,       /*  97 */
 200         /* 0x7e */ KEY_RIGHTMETA,       /* 126 */
 201         /* 0x7f */ KEY_POWER,           /* 116 */
 202 };
 203
 204 struct adbhid {
 205         struct input_dev *input;
 206         int id;
 207         int default_id;
 208         int original_handler_id;
 209         int current_handler_id;
 210         int mouse_kind;
 211         unsigned char *keycode;
 212         char name[64];
 213         char phys[32];
 214         int flags;
 215 };
 216
 217 #define FLAG_FN_KEY_PRESSED     0x00000001
 218 #define FLAG_POWER_FROM_FN      0x00000002
 219 #define FLAG_EMU_FWDEL_DOWN     0x00000004
 220
 221 static struct adbhid *adbhid[16];
 222
 223 static void adbhid_probe(void);
 224
 225 static void adbhid_input_keycode(int, int, int, struct pt_regs *);
 226
 227 static void init_trackpad(int id);
 228 static void init_trackball(int id);
 229 static void init_turbomouse(int id);
 230 static void init_microspeed(int id);
 231 static void init_ms_a3(int id);
 232
 233 static struct adb_ids keyboard_ids;
 234 static struct adb_ids mouse_ids;
 235 static struct adb_ids buttons_ids;
 236
 237 /* Kind of keyboard, see Apple technote 1152  */
 238 #define ADB_KEYBOARD_UNKNOWN    0
 239 #define ADB_KEYBOARD_ANSI       0x0100
 240 #define ADB_KEYBOARD_ISO        0x0200
 241 #define ADB_KEYBOARD_JIS        0x0300
 242
 243 /* Kind of mouse  */
 244 #define ADBMOUSE_STANDARD_100   0       /* Standard 100cpi mouse (handler 1) */
 245 #define ADBMOUSE_STANDARD_200   1       /* Standard 200cpi mouse (handler 2) */
 246 #define ADBMOUSE_EXTENDED       2       /* Apple Extended mouse (handler 4) */
 247 #define ADBMOUSE_TRACKBALL      3       /* TrackBall (handler 4) */
 248 #define ADBMOUSE_TRACKPAD       4       /* Apple's PowerBook trackpad (handler 4) */
 249 #define ADBMOUSE_TURBOMOUSE5    5       /* Turbomouse 5 (previously req. mousehack) */
 250 #define ADBMOUSE_MICROSPEED     6       /* Microspeed mouse (&trackball ?), MacPoint */
 251 #define ADBMOUSE_TRACKBALLPRO   7       /* Trackball Pro (special buttons) */
 252 #define ADBMOUSE_MS_A3          8       /* Mouse systems A3 trackball (handler 3) */
 253 #define ADBMOUSE_MACALLY2       9       /* MacAlly 2-button mouse */
 254
 255 static void
 256 adbhid_keyboard_input(unsigned char *data, int nb, struct pt_regs *regs, int apoll)
 257 {
 258         int id = (data[0] >> 4) & 0x0f;
 259
 260         if (!adbhid[id]) {
 261                 printk(KERN_ERR "ADB HID on ID %d not yet registered, packet %#02x, %#02x, %#02x, %#02x\n",
 262                        id, data[0], data[1], data[2], data[3]);
 263                 return;
 264         }
 265
 266         /* first check this is from register 0 */
 267         if (nb != 3 || (data[0] & 3) != KEYB_KEYREG)
 268                 return;         /* ignore it */
 269         adbhid_input_keycode(id, data[1], 0, regs);
 270         if (!(data[2] == 0xff || (data[2] == 0x7f && data[1] == 0x7f)))
 271                 adbhid_input_keycode(id, data[2], 0, regs);
 272 }
 273
 274 static void
 275 adbhid_input_keycode(int id, int keycode, int repeat, struct pt_regs *regs)
 276 {
 277         struct adbhid *ahid = adbhid[id];
 278         int up_flag;
 279
 280         up_flag = (keycode & 0x80);
 281         keycode &= 0x7f;
 282
 283         switch (keycode) {
 284         case ADB_KEY_CAPSLOCK: /* Generate down/up events for CapsLock everytime. */
 285                 input_regs(ahid->input, regs);
 286                 input_report_key(ahid->input, KEY_CAPSLOCK, 1);
 287                 input_report_key(ahid->input, KEY_CAPSLOCK, 0);
 288                 input_sync(ahid->input);
 289                 return;
 290 #ifdef CONFIG_PPC_PMAC
 291         case ADB_KEY_POWER_OLD: /* Power key on PBook 3400 needs remapping */
 292                 switch(pmac_call_feature(PMAC_FTR_GET_MB_INFO,
 293                         NULL, PMAC_MB_INFO_MODEL, 0)) {
 294                 case PMAC_TYPE_COMET:
 295                 case PMAC_TYPE_HOOPER:
 296                 case PMAC_TYPE_KANGA:
 297                         keycode = ADB_KEY_POWER;
 298                 }
 299                 break;
 300         case ADB_KEY_POWER:
 301                 /* Fn + Command will produce a bogus "power" keycode */
 302                 if (ahid->flags & FLAG_FN_KEY_PRESSED) {
 303                         keycode = ADB_KEY_CMD;
 304                         if (up_flag)
 305                                 ahid->flags &= ~FLAG_POWER_FROM_FN;
 306                         else
 307                                 ahid->flags |= FLAG_POWER_FROM_FN;
 308                 } else if (ahid->flags & FLAG_POWER_FROM_FN) {
 309                         keycode = ADB_KEY_CMD;
 310                         ahid->flags &= ~FLAG_POWER_FROM_FN;
 311                 }
 312                 break;
 313         case ADB_KEY_FN:
 314                 /* Keep track of the Fn key state */
 315                 if (up_flag) {
 316                         ahid->flags &= ~FLAG_FN_KEY_PRESSED;
 317                         /* Emulate Fn+delete = forward delete */
 318                         if (ahid->flags & FLAG_EMU_FWDEL_DOWN) {
 319                                 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN;
 320                                 keycode = ADB_KEY_FWDEL;
 321                                 break;
 322                         }
 323                 } else
 324                         ahid->flags |= FLAG_FN_KEY_PRESSED;
 325                 /* Swallow the key press */
 326                 return;
 327         case ADB_KEY_DEL:
 328                 /* Emulate Fn+delete = forward delete */
 329                 if (ahid->flags & FLAG_FN_KEY_PRESSED) {
 330                         keycode = ADB_KEY_FWDEL;
 331                         if (up_flag)
 332                                 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN;
 333                         else
 334                                 ahid->flags |= FLAG_EMU_FWDEL_DOWN;
 335                 }
 336                 break;
 337 #endif /* CONFIG_PPC_PMAC */
 338         }
 339
 340         if (adbhid[id]->keycode[keycode]) {
 341                 input_regs(adbhid[id]->input, regs);
 342                 input_report_key(adbhid[id]->input,
 343                                  adbhid[id]->keycode[keycode], !up_flag);
 344                 input_sync(adbhid[id]->input);
 345         } else
 346                 printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode,
 347                        up_flag ? "released" : "pressed");
 348
 349 }
 350
 351 static void
 352 adbhid_mouse_input(unsigned char *data, int nb, struct pt_regs *regs, int autopoll)
 353 {
 354         int id = (data[0] >> 4) & 0x0f;
 355
 356         if (!adbhid[id]) {
 357                 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id);
 358                 return;
 359         }
 360
 361   /*
 362     Handler 1 -- 100cpi original Apple mouse protocol.
 363     Handler 2 -- 200cpi original Apple mouse protocol.
 364
 365     For Apple's standard one-button mouse protocol the data array will
 366     contain the following values:
 367
 368                 BITS    COMMENTS
 369     data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
 370     data[1] = bxxx xxxx First button and x-axis motion.
 371     data[2] = byyy yyyy Second button and y-axis motion.
 372
 373     Handler 4 -- Apple Extended mouse protocol.
 374
 375     For Apple's 3-button mouse protocol the data array will contain the
 376     following values:
 377
 378                 BITS    COMMENTS
 379     data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
 380     data[1] = bxxx xxxx Left button and x-axis motion.
 381     data[2] = byyy yyyy Second button and y-axis motion.
 382     data[3] = byyy bxxx Third button and fourth button.  Y is additional
 383               high bits of y-axis motion.  XY is additional
 384               high bits of x-axis motion.
 385
 386     MacAlly 2-button mouse protocol.
 387
 388     For MacAlly 2-button mouse protocol the data array will contain the
 389     following values:
 390
 391                 BITS    COMMENTS
 392     data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd.
 393     data[1] = bxxx xxxx Left button and x-axis motion.
 394     data[2] = byyy yyyy Right button and y-axis motion.
 395     data[3] = ???? ???? unknown
 396     data[4] = ???? ???? unknown
 397
 398   */
 399
 400         /* If it's a trackpad, we alias the second button to the first.
 401            NOTE: Apple sends an ADB flush command to the trackpad when
 402                  the first (the real) button is released. We could do
 403                  this here using async flush requests.
 404         */
 405         switch (adbhid[id]->mouse_kind)
 406         {
 407             case ADBMOUSE_TRACKPAD:
 408                 data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80);
 409                 data[2] = data[2] | 0x80;
 410                 break;
 411             case ADBMOUSE_MICROSPEED:
 412                 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7);
 413                 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6);
 414                 data[3] = (data[3] & 0x77) | ((data[3] & 0x04) << 5)
 415                         | (data[3] & 0x08);
 416                 break;
 417             case ADBMOUSE_TRACKBALLPRO:
 418                 data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5)
 419                         & ((data[3] & 0x08) << 4));
 420                 data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7);
 421                 data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6);
 422                 break;
 423             case ADBMOUSE_MS_A3:
 424                 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7);
 425                 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6);
 426                 data[3] = ((data[3] & 0x04) << 5);
 427                 break;
 428             case ADBMOUSE_MACALLY2:
 429                 data[3] = (data[2] & 0x80) ? 0x80 : 0x00;
 430                 data[2] |= 0x80;  /* Right button is mapped as button 3 */
 431                 nb=4;
 432                 break;
 433         }
 434
 435         input_regs(adbhid[id]->input, regs);
 436
 437         input_report_key(adbhid[id]->input, BTN_LEFT,   !((data[1] >> 7) & 1));
 438         input_report_key(adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1));
 439
 440         if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD)
 441                 input_report_key(adbhid[id]->input, BTN_RIGHT,  !((data[3] >> 7) & 1));
 442
 443         input_report_rel(adbhid[id]->input, REL_X,
 444                          ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 ));
 445         input_report_rel(adbhid[id]->input, REL_Y,
 446                          ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 ));
 447
 448         input_sync(adbhid[id]->input);
 449 }
 450
 451 static void
 452 adbhid_buttons_input(unsigned char *data, int nb, struct pt_regs *regs, int autopoll)
 453 {
 454         int id = (data[0] >> 4) & 0x0f;
 455
 456         if (!adbhid[id]) {
 457                 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id);
 458                 return;
 459         }
 460
 461         input_regs(adbhid[id]->input, regs);
 462
 463         switch (adbhid[id]->original_handler_id) {
 464         default:
 465         case 0x02: /* Adjustable keyboard button device */
 466           {
 467                 int down = (data[1] == (data[1] & 0xf));
 468
 469                 switch (data[1] & 0x0f) {
 470                 case 0x0:       /* microphone */
 471                         input_report_key(adbhid[id]->input, KEY_SOUND, down);
 472                         break;
 473
 474                 case 0x1:       /* mute */
 475                         input_report_key(adbhid[id]->input, KEY_MUTE, down);
 476                         break;
 477
 478                 case 0x2:       /* volume decrease */
 479                         input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down);
 480                         break;
 481
 482                 case 0x3:       /* volume increase */
 483                         input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down);
 484                         break;
 485
 486                 default:
 487                         printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
 488                                data[0], data[1], data[2], data[3]);
 489                         break;
 490                 }
 491           }
 492           break;
 493
 494         case 0x1f: /* Powerbook button device */
 495           {
 496                 int down = (data[1] == (data[1] & 0xf));
 497
 498                 /*
 499                  * XXX: Where is the contrast control for the passive?
 500                  *  -- Cort
 501                  */
 502
 503                 switch (data[1] & 0x0f) {
 504                 case 0x8:       /* mute */
 505                         input_report_key(adbhid[id]->input, KEY_MUTE, down);
 506                         break;
 507
 508                 case 0x7:       /* volume decrease */
 509                         input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down);
 510                         break;
 511
 512                 case 0x6:       /* volume increase */
 513                         input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down);
 514                         break;
 515
 516                 case 0xb:       /* eject */
 517                         input_report_key(adbhid[id]->input, KEY_EJECTCD, down);
 518                         break;
 519
 520                 case 0xa:       /* brightness decrease */
 521 #ifdef CONFIG_PMAC_BACKLIGHT
 522                         if (down)
 523                                 pmac_backlight_key_down();
 524 #endif
 525                         input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down);
 526                         break;
 527
 528                 case 0x9:       /* brightness increase */
 529 #ifdef CONFIG_PMAC_BACKLIGHT
 530                         if (down)
 531                                 pmac_backlight_key_up();
 532 #endif
 533                         input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down);
 534                         break;
 535
 536                 case 0xc:       /* videomode switch */
 537                         input_report_key(adbhid[id]->input, KEY_SWITCHVIDEOMODE, down);
 538                         break;
 539
 540                 case 0xd:       /* keyboard illumination toggle */
 541                         input_report_key(adbhid[id]->input, KEY_KBDILLUMTOGGLE, down);
 542                         break;
 543
 544                 case 0xe:       /* keyboard illumination decrease */
 545                         input_report_key(adbhid[id]->input, KEY_KBDILLUMDOWN, down);
 546                         break;
 547
 548                 case 0xf:
 549                         switch (data[1]) {
 550                         case 0x8f:
 551                         case 0x0f:
 552                                 /* keyboard illumination increase */
 553                                 input_report_key(adbhid[id]->input, KEY_KBDILLUMUP, down);
 554                                 break;
 555
 556                         case 0x7f:
 557                         case 0xff:
 558                                 /* keypad overlay toogle */
 559                                 break;
 560
 561                         default:
 562                                 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
 563                                        data[0], data[1], data[2], data[3]);
 564                                 break;
 565                         }
 566                         break;
 567                 default:
 568                         printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n",
 569                                data[0], data[1], data[2], data[3]);
 570                         break;
 571                 }
 572           }
 573           break;
 574         }
 575
 576         input_sync(adbhid[id]->input);
 577 }
 578
 579 static struct adb_request led_request;
 580 static int leds_pending[16];
 581 static int leds_req_pending;
 582 static int pending_devs[16];
 583 static int pending_led_start=0;
 584 static int pending_led_end=0;
 585 static DEFINE_SPINLOCK(leds_lock);
 586
 587 static void leds_done(struct adb_request *req)
 588 {
 589         int leds = 0, device = 0, pending = 0;
 590         unsigned long flags;
 591
 592         spin_lock_irqsave(&leds_lock, flags);
 593
 594         if (pending_led_start != pending_led_end) {
 595                 device = pending_devs[pending_led_start];
 596                 leds = leds_pending[device] & 0xff;
 597                 leds_pending[device] = 0;
 598                 pending_led_start++;
 599                 pending_led_start = (pending_led_start < 16) ? pending_led_start : 0;
 600                 pending = leds_req_pending;
 601         } else
 602                 leds_req_pending = 0;
 603         spin_unlock_irqrestore(&leds_lock, flags);
 604         if (pending)
 605                 adb_request(&led_request, leds_done, 0, 3,
 606                             ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds);
 607 }
 608
 609 static void real_leds(unsigned char leds, int device)
 610 {
 611         unsigned long flags;
 612
 613         spin_lock_irqsave(&leds_lock, flags);
 614         if (!leds_req_pending) {
 615                 leds_req_pending = 1;
 616                 spin_unlock_irqrestore(&leds_lock, flags);
 617                 adb_request(&led_request, leds_done, 0, 3,
 618                             ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds);
 619                 return;
 620         } else {
 621                 if (!(leds_pending[device] & 0x100)) {
 622                         pending_devs[pending_led_end] = device;
 623                         pending_led_end++;
 624                         pending_led_end = (pending_led_end < 16) ? pending_led_end : 0;
 625                 }
 626                 leds_pending[device] = leds | 0x100;
 627         }
 628         spin_unlock_irqrestore(&leds_lock, flags);
 629 }
 630
 631 /*
 632  * Event callback from the input module. Events that change the state of
 633  * the hardware are processed here.
 634  */
 635 static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 636 {
 637         struct adbhid *adbhid = dev->private;
 638         unsigned char leds;
 639
 640         switch (type) {
 641         case EV_LED:
 642           leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0)
 643                | (test_bit(LED_NUML,    dev->led) ? 1 : 0)
 644                | (test_bit(LED_CAPSL,   dev->led) ? 2 : 0);
 645           real_leds(leds, adbhid->id);
 646           return 0;
 647         }
 648
 649         return -1;
 650 }
 651
 652 static int
 653 adb_message_handler(struct notifier_block *this, unsigned long code, void *x)
 654 {
 655         switch (code) {
 656         case ADB_MSG_PRE_RESET:
 657         case ADB_MSG_POWERDOWN:
 658                 /* Stop the repeat timer. Autopoll is already off at this point */
 659                 {
 660                         int i;
 661                         for (i = 1; i < 16; i++) {
 662                                 if (adbhid[i])
 663                                         del_timer_sync(&adbhid[i]->input->timer);
 664                         }
 665                 }
 666
 667                 /* Stop pending led requests */
 668                 while(leds_req_pending)
 669                         adb_poll();
 670                 break;
 671
 672         case ADB_MSG_POST_RESET:
 673                 adbhid_probe();
 674                 break;
 675         }
 676         return NOTIFY_DONE;
 677 }
 678
 679 static int
 680 adbhid_input_register(int id, int default_id, int original_handler_id,
 681                       int current_handler_id, int mouse_kind)
 682 {
 683         struct adbhid *hid;
 684         struct input_dev *input_dev;
 685         int err;
 686         int i;
 687
 688         if (adbhid[id]) {
 689                 printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id);
 690                 return -EEXIST;
 691         }
 692
 693         adbhid[id] = hid = kzalloc(sizeof(struct adbhid), GFP_KERNEL);
 694         input_dev = input_allocate_device();
 695         if (!hid || !input_dev) {
 696                 err = -ENOMEM;
 697                 goto fail;
 698
 699         }
 700
 701         sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id);
 702
 703         hid->input = input_dev;
 704         hid->id = default_id;
 705         hid->original_handler_id = original_handler_id;
 706         hid->current_handler_id = current_handler_id;
 707         hid->mouse_kind = mouse_kind;
 708         hid->flags = 0;
 709         input_dev->private = hid;
 710         input_dev->name = hid->name;
 711         input_dev->phys = hid->phys;
 712         input_dev->id.bustype = BUS_ADB;
 713         input_dev->id.vendor = 0x0001;
 714         input_dev->id.product = (id << 12) | (default_id << 8) | original_handler_id;
 715         input_dev->id.version = 0x0100;
 716
 717         switch (default_id) {
 718         case ADB_KEYBOARD:
 719                 hid->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL);
 720                 if (!hid->keycode) {
 721                         err = -ENOMEM;
 722                         goto fail;
 723                 }
 724
 725                 sprintf(hid->name, "ADB keyboard");
 726
 727                 memcpy(hid->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes));
 728
 729                 printk(KERN_INFO "Detected ADB keyboard, type ");
 730                 switch (original_handler_id) {
 731                 default:
 732                         printk("<unknown>.\n");
 733                         input_dev->id.version = ADB_KEYBOARD_UNKNOWN;
 734                         break;
 735
 736                 case 0x01: case 0x02: case 0x03: case 0x06: case 0x08:
 737                 case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C:
 738                 case 0xC0: case 0xC3: case 0xC6:
 739                         printk("ANSI.\n");
 740                         input_dev->id.version = ADB_KEYBOARD_ANSI;
 741                         break;
 742
 743                 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D:
 744                 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1:
 745                 case 0xC4: case 0xC7:
 746                         printk("ISO, swapping keys.\n");
 747                         input_dev->id.version = ADB_KEYBOARD_ISO;
 748                         i = hid->keycode[10];
 749                         hid->keycode[10] = hid->keycode[50];
 750                         hid->keycode[50] = i;
 751                         break;
 752
 753                 case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A:
 754                 case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9:
 755                         printk("JIS.\n");
 756                         input_dev->id.version = ADB_KEYBOARD_JIS;
 757                         break;
 758                 }
 759
 760                 for (i = 0; i < 128; i++)
 761                         if (hid->keycode[i])
 762                                 set_bit(hid->keycode[i], input_dev->keybit);
 763
 764                 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP);
 765                 input_dev->ledbit[0] = BIT(LED_SCROLLL) | BIT(LED_CAPSL) | BIT(LED_NUML);
 766                 input_dev->event = adbhid_kbd_event;
 767                 input_dev->keycodemax = 127;
 768                 input_dev->keycodesize = 1;
 769                 break;
 770
 771         case ADB_MOUSE:
 772                 sprintf(hid->name, "ADB mouse");
 773
 774                 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL);
 775                 input_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT);
 776                 input_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y);
 777                 break;
 778
 779         case ADB_MISC:
 780                 switch (original_handler_id) {
 781                 case 0x02: /* Adjustable keyboard button device */
 782                         sprintf(hid->name, "ADB adjustable keyboard buttons");
 783                         input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
 784                         set_bit(KEY_SOUND, input_dev->keybit);
 785                         set_bit(KEY_MUTE, input_dev->keybit);
 786                         set_bit(KEY_VOLUMEUP, input_dev->keybit);
 787                         set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
 788                         break;
 789                 case 0x1f: /* Powerbook button device */
 790                         sprintf(hid->name, "ADB Powerbook buttons");
 791                         input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP);
 792                         set_bit(KEY_MUTE, input_dev->keybit);
 793                         set_bit(KEY_VOLUMEUP, input_dev->keybit);
 794                         set_bit(KEY_VOLUMEDOWN, input_dev->keybit);
 795                         set_bit(KEY_BRIGHTNESSUP, input_dev->keybit);
 796                         set_bit(KEY_BRIGHTNESSDOWN, input_dev->keybit);
 797                         set_bit(KEY_EJECTCD, input_dev->keybit);
 798                         set_bit(KEY_SWITCHVIDEOMODE, input_dev->keybit);
 799                         set_bit(KEY_KBDILLUMTOGGLE, input_dev->keybit);
 800                         set_bit(KEY_KBDILLUMDOWN, input_dev->keybit);
 801                         set_bit(KEY_KBDILLUMUP, input_dev->keybit);
 802                         break;
 803                 }
 804                 if (hid->name[0])
 805                         break;
 806                 /* else fall through */
 807
 808         default:
 809                 printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n");
 810                 err = -ENODEV;
 811                 goto fail;
 812         }
 813
 814         input_dev->keycode = hid->keycode;
 815
 816         input_register_device(input_dev);
 817
 818         if (default_id == ADB_KEYBOARD) {
 819                 /* HACK WARNING!! This should go away as soon there is an utility
 820                  * to control that for event devices.
 821                  */
 822                 input_dev->rep[REP_DELAY] = 500;   /* input layer default: 250 */
 823                 input_dev->rep[REP_PERIOD] = 66; /* input layer default: 33 */
 824         }
 825
 826         return 0;
 827
 828  fail:  input_free_device(input_dev);
 829         kfree(hid);
 830         adbhid[id] = NULL;
 831         return err;
 832 }
 833
 834 static void adbhid_input_unregister(int id)
 835 {
 836         input_unregister_device(adbhid[id]->input);
 837         kfree(adbhid[id]->keycode);
 838         kfree(adbhid[id]);
 839         adbhid[id] = NULL;
 840 }
 841
 842
 843 static u16
 844 adbhid_input_reregister(int id, int default_id, int org_handler_id,
 845                         int cur_handler_id, int mk)
 846 {
 847         if (adbhid[id]) {
 848                 if (adbhid[id]->input->id.product !=
 849                     ((id << 12)|(default_id << 8)|org_handler_id)) {
 850                         adbhid_input_unregister(id);
 851                         adbhid_input_register(id, default_id, org_handler_id,
 852                                               cur_handler_id, mk);
 853                 }
 854         } else
 855                 adbhid_input_register(id, default_id, org_handler_id,
 856                                       cur_handler_id, mk);
 857         return 1<<id;
 858 }
 859
 860 static void
 861 adbhid_input_devcleanup(u16 exist)
 862 {
 863         int i;
 864         for(i=1; i<16; i++)
 865                 if (adbhid[i] && !(exist&(1<<i)))
 866                         adbhid_input_unregister(i);
 867 }
 868
 869 static void
 870 adbhid_probe(void)
 871 {
 872         struct adb_request req;
 873         int i, default_id, org_handler_id, cur_handler_id;
 874         u16 reg = 0;
 875
 876         adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input);
 877         adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input);
 878         adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input);
 879
 880         for (i = 0; i < keyboard_ids.nids; i++) {
 881                 int id = keyboard_ids.id[i];
 882
 883                 adb_get_infos(id, &default_id, &org_handler_id);
 884
 885                 /* turn off all leds */
 886                 adb_request(&req, NULL, ADBREQ_SYNC, 3,
 887                             ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff);
 888
 889                 /* Enable full feature set of the keyboard
 890                    ->get it to send separate codes for left and right shift,
 891                    control, option keys */
 892 #if 0           /* handler 5 doesn't send separate codes for R modifiers */
 893                 if (adb_try_handler_change(id, 5))
 894                         printk("ADB keyboard at %d, handler set to 5\n", id);
 895                 else
 896 #endif
 897                 if (adb_try_handler_change(id, 3))
 898                         printk("ADB keyboard at %d, handler set to 3\n", id);
 899                 else
 900                         printk("ADB keyboard at %d, handler 1\n", id);
 901
 902                 adb_get_infos(id, &default_id, &cur_handler_id);
 903                 reg |= adbhid_input_reregister(id, default_id, org_handler_id,
 904                                                cur_handler_id, 0);
 905         }
 906
 907         for (i = 0; i < buttons_ids.nids; i++) {
 908                 int id = buttons_ids.id[i];
 909
 910                 adb_get_infos(id, &default_id, &org_handler_id);
 911                 reg |= adbhid_input_reregister(id, default_id, org_handler_id,
 912                                                org_handler_id, 0);
 913         }
 914
 915         /* Try to switch all mice to handler 4, or 2 for three-button
 916            mode and full resolution. */
 917         for (i = 0; i < mouse_ids.nids; i++) {
 918                 int id = mouse_ids.id[i];
 919                 int mouse_kind;
 920
 921                 adb_get_infos(id, &default_id, &org_handler_id);
 922
 923                 if (adb_try_handler_change(id, 4)) {
 924                         printk("ADB mouse at %d, handler set to 4", id);
 925                         mouse_kind = ADBMOUSE_EXTENDED;
 926                 }
 927                 else if (adb_try_handler_change(id, 0x2F)) {
 928                         printk("ADB mouse at %d, handler set to 0x2F", id);
 929                         mouse_kind = ADBMOUSE_MICROSPEED;
 930                 }
 931                 else if (adb_try_handler_change(id, 0x42)) {
 932                         printk("ADB mouse at %d, handler set to 0x42", id);
 933                         mouse_kind = ADBMOUSE_TRACKBALLPRO;
 934                 }
 935                 else if (adb_try_handler_change(id, 0x66)) {
 936                         printk("ADB mouse at %d, handler set to 0x66", id);
 937                         mouse_kind = ADBMOUSE_MICROSPEED;
 938                 }
 939                 else if (adb_try_handler_change(id, 0x5F)) {
 940                         printk("ADB mouse at %d, handler set to 0x5F", id);
 941                         mouse_kind = ADBMOUSE_MICROSPEED;
 942                 }
 943                 else if (adb_try_handler_change(id, 3)) {
 944                         printk("ADB mouse at %d, handler set to 3", id);
 945                         mouse_kind = ADBMOUSE_MS_A3;
 946                 }
 947                 else if (adb_try_handler_change(id, 2)) {
 948                         printk("ADB mouse at %d, handler set to 2", id);
 949                         mouse_kind = ADBMOUSE_STANDARD_200;
 950                 }
 951                 else {
 952                         printk("ADB mouse at %d, handler 1", id);
 953                         mouse_kind = ADBMOUSE_STANDARD_100;
 954                 }
 955
 956                 if ((mouse_kind == ADBMOUSE_TRACKBALLPRO)
 957                     || (mouse_kind == ADBMOUSE_MICROSPEED)) {
 958                         init_microspeed(id);
 959                 } else if (mouse_kind == ADBMOUSE_MS_A3) {
 960                         init_ms_a3(id);
 961                 } else if (mouse_kind ==  ADBMOUSE_EXTENDED) {
 962                         /*
 963                          * Register 1 is usually used for device
 964                          * identification.  Here, we try to identify
 965                          * a known device and call the appropriate
 966                          * init function.
 967                          */
 968                         adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
 969                                     ADB_READREG(id, 1));
 970
 971                         if ((req.reply_len) &&
 972                             (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21)
 973                                 || (req.reply[2] == 0x20))) {
 974                                 mouse_kind = ADBMOUSE_TRACKBALL;
 975                                 init_trackball(id);
 976                         }
 977                         else if ((req.reply_len >= 4) &&
 978                             (req.reply[1] == 0x74) && (req.reply[2] == 0x70) &&
 979                             (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) {
 980                                 mouse_kind = ADBMOUSE_TRACKPAD;
 981                                 init_trackpad(id);
 982                         }
 983                         else if ((req.reply_len >= 4) &&
 984                             (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) &&
 985                             (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) {
 986                                 mouse_kind = ADBMOUSE_TURBOMOUSE5;
 987                                 init_turbomouse(id);
 988                         }
 989                         else if ((req.reply_len == 9) &&
 990                             (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) &&
 991                             (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) {
 992                                 if (adb_try_handler_change(id, 0x42)) {
 993                                         printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id);
 994                                         mouse_kind = ADBMOUSE_MACALLY2;
 995                                 }
 996                         }
 997                 }
 998                 printk("\n");
 999
1000                 adb_get_infos(id, &default_id, &cur_handler_id);
1001                 reg |= adbhid_input_reregister(id, default_id, org_handler_id,
1002                                                cur_handler_id, mouse_kind);
1003         }
1004         adbhid_input_devcleanup(reg);
1005 }
1006
1007 static void
1008 init_trackpad(int id)
1009 {
1010         struct adb_request req;
1011         unsigned char r1_buffer[8];
1012
1013         printk(" (trackpad)");
1014
1015         adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1,
1016                     ADB_READREG(id,1));
1017         if (req.reply_len < 8)
1018             printk("bad length for reg. 1\n");
1019         else
1020         {
1021             memcpy(r1_buffer, &req.reply[1], 8);
1022
1023             adb_request(&req, NULL, ADBREQ_SYNC, 9,
1024                 ADB_WRITEREG(id,1),
1025                     r1_buffer[0],
1026                     r1_buffer[1],
1027                     r1_buffer[2],
1028                     r1_buffer[3],
1029                     r1_buffer[4],
1030                     r1_buffer[5],
1031                     0x0d,
1032                     r1_buffer[7]);
1033
1034             adb_request(&req, NULL, ADBREQ_SYNC, 9,
1035                 ADB_WRITEREG(id,2),
1036                     0x99,
1037                     0x94,
1038                     0x19,
1039                     0xff,
1040                     0xb2,
1041                     0x8a,
1042                     0x1b,
1043                     0x50);
1044
1045             adb_request(&req, NULL, ADBREQ_SYNC, 9,
1046                 ADB_WRITEREG(id,1),
1047                     r1_buffer[0],
1048                     r1_buffer[1],
1049                     r1_buffer[2],
1050                     r1_buffer[3],
1051                     r1_buffer[4],
1052                     r1_buffer[5],
1053                     0x03, /*r1_buffer[6],*/
1054                     r1_buffer[7]);
1055
1056             /* Without this flush, the trackpad may be locked up */
1057             adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1058         }
1059 }
1060
1061 static void
1062 init_trackball(int id)
1063 {
1064         struct adb_request req;
1065
1066         printk(" (trackman/mouseman)");
1067
1068         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1069         ADB_WRITEREG(id,1), 00,0x81);
1070
1071         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1072         ADB_WRITEREG(id,1), 01,0x81);
1073
1074         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1075         ADB_WRITEREG(id,1), 02,0x81);
1076
1077         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1078         ADB_WRITEREG(id,1), 03,0x38);
1079
1080         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1081         ADB_WRITEREG(id,1), 00,0x81);
1082
1083         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1084         ADB_WRITEREG(id,1), 01,0x81);
1085
1086         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1087         ADB_WRITEREG(id,1), 02,0x81);
1088
1089         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1090         ADB_WRITEREG(id,1), 03,0x38);
1091 }
1092
1093 static void
1094 init_turbomouse(int id)
1095 {
1096         struct adb_request req;
1097
1098         printk(" (TurboMouse 5)");
1099
1100         adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1101
1102         adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3));
1103
1104         adb_request(&req, NULL, ADBREQ_SYNC, 9,
1105         ADB_WRITEREG(3,2),
1106             0xe7,
1107             0x8c,
1108             0,
1109             0,
1110             0,
1111             0xff,
1112             0xff,
1113             0x94);
1114
1115         adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3));
1116
1117         adb_request(&req, NULL, ADBREQ_SYNC, 9,
1118         ADB_WRITEREG(3,2),
1119             0xa5,
1120             0x14,
1121             0,
1122             0,
1123             0x69,
1124             0xff,
1125             0xff,
1126             0x27);
1127 }
1128
1129 static void
1130 init_microspeed(int id)
1131 {
1132         struct adb_request req;
1133
1134         printk(" (Microspeed/MacPoint or compatible)");
1135
1136         adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1137
1138         /* This will initialize mice using the Microspeed, MacPoint and
1139            other compatible firmware. Bit 12 enables extended protocol.
1140
1141            Register 1 Listen (4 Bytes)
1142             0 -  3     Button is mouse (set also for double clicking!!!)
1143             4 -  7     Button is locking (affects change speed also)
1144             8 - 11     Button changes speed
1145            12          1 = Extended mouse mode, 0 = normal mouse mode
1146            13 - 15     unused 0
1147            16 - 23     normal speed
1148            24 - 31     changed speed
1149
1150        Register 1 talk holds version and product identification information.
1151        Register 1 Talk (4 Bytes):
1152             0 -  7     Product code
1153             8 - 23     undefined, reserved
1154            24 - 31     Version number
1155
1156        Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max.
1157  */
1158         adb_request(&req, NULL, ADBREQ_SYNC, 5,
1159         ADB_WRITEREG(id,1),
1160             0x20,       /* alt speed = 0x20 (rather slow) */
1161             0x00,       /* norm speed = 0x00 (fastest) */
1162             0x10,       /* extended protocol, no speed change */
1163             0x07);      /* all buttons enabled as mouse buttons, no locking */
1164
1165
1166         adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1167 }
1168
1169 static void
1170 init_ms_a3(int id)
1171 {
1172         struct adb_request req;
1173
1174         printk(" (Mouse Systems A3 Mouse, or compatible)");
1175         adb_request(&req, NULL, ADBREQ_SYNC, 3,
1176         ADB_WRITEREG(id, 0x2),
1177             0x00,
1178             0x07);
1179
1180         adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id));
1181 }
1182
1183 static int __init adbhid_init(void)
1184 {
1185 #ifndef CONFIG_MAC
1186         if (!machine_is(chrp) && !machine_is(powermac))
1187                 return 0;
1188 #endif
1189
1190         led_request.complete = 1;
1191
1192         adbhid_probe();
1193
1194         blocking_notifier_chain_register(&adb_client_list,
1195                         &adbhid_adb_notifier);
1196
1197         return 0;
1198 }
1199
1200 static void __exit adbhid_exit(void)
1201 {
1202 }
1203
1204 module_init(adbhid_init);
1205 module_exit(adbhid_exit);