1 /* 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 0 - 3 Button is mouse (set also for double clicking!!!) 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 0 - 7 Product code 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); 1247