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 } 326 return; 327 #ifdef CONFIG_PPC_PMAC 328 case ADB_KEY_POWER_OLD: /* Power key on PBook 3400 needs remapping */ 329 switch(pmac_call_feature(PMAC_FTR_GET_MB_INFO, 330 NULL, PMAC_MB_INFO_MODEL, 0)) { 331 case PMAC_TYPE_COMET: 332 case PMAC_TYPE_HOOPER: 333 case PMAC_TYPE_KANGA: 334 keycode = ADB_KEY_POWER; 335 } 336 break; 337 case ADB_KEY_POWER: 338 /* Fn + Command will produce a bogus "power" keycode */ 339 if (ahid->flags & FLAG_FN_KEY_PRESSED) { 340 keycode = ADB_KEY_CMD; 341 if (up_flag) 342 ahid->flags &= ~FLAG_POWER_FROM_FN; 343 else 344 ahid->flags |= FLAG_POWER_FROM_FN; 345 } else if (ahid->flags & FLAG_POWER_FROM_FN) { 346 keycode = ADB_KEY_CMD; 347 ahid->flags &= ~FLAG_POWER_FROM_FN; 348 } 349 break; 350 case ADB_KEY_FN: 351 /* Keep track of the Fn key state */ 352 if (up_flag) { 353 ahid->flags &= ~FLAG_FN_KEY_PRESSED; 354 /* Emulate Fn+delete = forward delete */ 355 if (ahid->flags & FLAG_EMU_FWDEL_DOWN) { 356 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; 357 keycode = ADB_KEY_FWDEL; 358 break; 359 } 360 } else 361 ahid->flags |= FLAG_FN_KEY_PRESSED; 362 break; 363 case ADB_KEY_DEL: 364 /* Emulate Fn+delete = forward delete */ 365 if (ahid->flags & FLAG_FN_KEY_PRESSED) { 366 keycode = ADB_KEY_FWDEL; 367 if (up_flag) 368 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; 369 else 370 ahid->flags |= FLAG_EMU_FWDEL_DOWN; 371 } 372 break; 373 #endif /* CONFIG_PPC_PMAC */ 374 } 375 376 key = adbhid[id]->keycode[keycode]; 377 if (key) { 378 input_report_key(adbhid[id]->input, key, !up_flag); 379 input_sync(adbhid[id]->input); 380 } else 381 printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode, 382 up_flag ? "released" : "pressed"); 383 384 } 385 386 static void 387 adbhid_mouse_input(unsigned char *data, int nb, int autopoll) 388 { 389 int id = (data[0] >> 4) & 0x0f; 390 391 if (!adbhid[id]) { 392 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); 393 return; 394 } 395 396 /* 397 Handler 1 -- 100cpi original Apple mouse protocol. 398 Handler 2 -- 200cpi original Apple mouse protocol. 399 400 For Apple's standard one-button mouse protocol the data array will 401 contain the following values: 402 403 BITS COMMENTS 404 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 405 data[1] = bxxx xxxx First button and x-axis motion. 406 data[2] = byyy yyyy Second button and y-axis motion. 407 408 Handler 4 -- Apple Extended mouse protocol. 409 410 For Apple's 3-button mouse protocol the data array will contain the 411 following values: 412 413 BITS COMMENTS 414 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 415 data[1] = bxxx xxxx Left button and x-axis motion. 416 data[2] = byyy yyyy Second button and y-axis motion. 417 data[3] = byyy bxxx Third button and fourth button. Y is additional 418 high bits of y-axis motion. XY is additional 419 high bits of x-axis motion. 420 421 MacAlly 2-button mouse protocol. 422 423 For MacAlly 2-button mouse protocol the data array will contain the 424 following values: 425 426 BITS COMMENTS 427 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 428 data[1] = bxxx xxxx Left button and x-axis motion. 429 data[2] = byyy yyyy Right button and y-axis motion. 430 data[3] = ???? ???? unknown 431 data[4] = ???? ???? unknown 432 433 */ 434 435 /* If it's a trackpad, we alias the second button to the first. 436 NOTE: Apple sends an ADB flush command to the trackpad when 437 the first (the real) button is released. We could do 438 this here using async flush requests. 439 */ 440 switch (adbhid[id]->mouse_kind) 441 { 442 case ADBMOUSE_TRACKPAD: 443 data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80); 444 data[2] = data[2] | 0x80; 445 break; 446 case ADBMOUSE_MICROSPEED: 447 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 448 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 449 data[3] = (data[3] & 0x77) | ((data[3] & 0x04) << 5) 450 | (data[3] & 0x08); 451 break; 452 case ADBMOUSE_TRACKBALLPRO: 453 data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5) 454 & ((data[3] & 0x08) << 4)); 455 data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7); 456 data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6); 457 break; 458 case ADBMOUSE_MS_A3: 459 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 460 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 461 data[3] = ((data[3] & 0x04) << 5); 462 break; 463 case ADBMOUSE_MACALLY2: 464 data[3] = (data[2] & 0x80) ? 0x80 : 0x00; 465 data[2] |= 0x80; /* Right button is mapped as button 3 */ 466 nb=4; 467 break; 468 } 469 470 input_report_key(adbhid[id]->input, BTN_LEFT, !((data[1] >> 7) & 1)); 471 input_report_key(adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1)); 472 473 if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD) 474 input_report_key(adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1)); 475 476 input_report_rel(adbhid[id]->input, REL_X, 477 ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 )); 478 input_report_rel(adbhid[id]->input, REL_Y, 479 ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 )); 480 481 input_sync(adbhid[id]->input); 482 } 483 484 static void 485 adbhid_buttons_input(unsigned char *data, int nb, int autopoll) 486 { 487 int id = (data[0] >> 4) & 0x0f; 488 489 if (!adbhid[id]) { 490 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); 491 return; 492 } 493 494 switch (adbhid[id]->original_handler_id) { 495 default: 496 case 0x02: /* Adjustable keyboard button device */ 497 { 498 int down = (data[1] == (data[1] & 0xf)); 499 500 switch (data[1] & 0x0f) { 501 case 0x0: /* microphone */ 502 input_report_key(adbhid[id]->input, KEY_SOUND, down); 503 break; 504 505 case 0x1: /* mute */ 506 input_report_key(adbhid[id]->input, KEY_MUTE, down); 507 break; 508 509 case 0x2: /* volume decrease */ 510 input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); 511 break; 512 513 case 0x3: /* volume increase */ 514 input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); 515 break; 516 517 default: 518 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 519 data[0], data[1], data[2], data[3]); 520 break; 521 } 522 } 523 break; 524 525 case 0x1f: /* Powerbook button device */ 526 { 527 int down = (data[1] == (data[1] & 0xf)); 528 529 /* 530 * XXX: Where is the contrast control for the passive? 531 * -- Cort 532 */ 533 534 switch (data[1] & 0x0f) { 535 case 0x8: /* mute */ 536 input_report_key(adbhid[id]->input, KEY_MUTE, down); 537 break; 538 539 case 0x7: /* volume decrease */ 540 input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); 541 break; 542 543 case 0x6: /* volume increase */ 544 input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); 545 break; 546 547 case 0xb: /* eject */ 548 input_report_key(adbhid[id]->input, KEY_EJECTCD, down); 549 break; 550 551 case 0xa: /* brightness decrease */ 552 #ifdef CONFIG_PMAC_BACKLIGHT 553 if (down) 554 pmac_backlight_key_down(); 555 #endif 556 input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down); 557 break; 558 559 case 0x9: /* brightness increase */ 560 #ifdef CONFIG_PMAC_BACKLIGHT 561 if (down) 562 pmac_backlight_key_up(); 563 #endif 564 input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down); 565 break; 566 567 case 0xc: /* videomode switch */ 568 input_report_key(adbhid[id]->input, KEY_SWITCHVIDEOMODE, down); 569 break; 570 571 case 0xd: /* keyboard illumination toggle */ 572 input_report_key(adbhid[id]->input, KEY_KBDILLUMTOGGLE, down); 573 break; 574 575 case 0xe: /* keyboard illumination decrease */ 576 input_report_key(adbhid[id]->input, KEY_KBDILLUMDOWN, down); 577 break; 578 579 case 0xf: 580 switch (data[1]) { 581 case 0x8f: 582 case 0x0f: 583 /* keyboard illumination increase */ 584 input_report_key(adbhid[id]->input, KEY_KBDILLUMUP, down); 585 break; 586 587 case 0x7f: 588 case 0xff: 589 /* keypad overlay toogle */ 590 break; 591 592 default: 593 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 594 data[0], data[1], data[2], data[3]); 595 break; 596 } 597 break; 598 default: 599 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 600 data[0], data[1], data[2], data[3]); 601 break; 602 } 603 } 604 break; 605 } 606 607 input_sync(adbhid[id]->input); 608 } 609 610 static struct adb_request led_request; 611 static int leds_pending[16]; 612 static int leds_req_pending; 613 static int pending_devs[16]; 614 static int pending_led_start; 615 static int pending_led_end; 616 static DEFINE_SPINLOCK(leds_lock); 617 618 static void leds_done(struct adb_request *req) 619 { 620 int leds = 0, device = 0, pending = 0; 621 unsigned long flags; 622 623 spin_lock_irqsave(&leds_lock, flags); 624 625 if (pending_led_start != pending_led_end) { 626 device = pending_devs[pending_led_start]; 627 leds = leds_pending[device] & 0xff; 628 leds_pending[device] = 0; 629 pending_led_start++; 630 pending_led_start = (pending_led_start < 16) ? pending_led_start : 0; 631 pending = leds_req_pending; 632 } else 633 leds_req_pending = 0; 634 spin_unlock_irqrestore(&leds_lock, flags); 635 if (pending) 636 adb_request(&led_request, leds_done, 0, 3, 637 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); 638 } 639 640 static void real_leds(unsigned char leds, int device) 641 { 642 unsigned long flags; 643 644 spin_lock_irqsave(&leds_lock, flags); 645 if (!leds_req_pending) { 646 leds_req_pending = 1; 647 spin_unlock_irqrestore(&leds_lock, flags); 648 adb_request(&led_request, leds_done, 0, 3, 649 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); 650 return; 651 } else { 652 if (!(leds_pending[device] & 0x100)) { 653 pending_devs[pending_led_end] = device; 654 pending_led_end++; 655 pending_led_end = (pending_led_end < 16) ? pending_led_end : 0; 656 } 657 leds_pending[device] = leds | 0x100; 658 } 659 spin_unlock_irqrestore(&leds_lock, flags); 660 } 661 662 /* 663 * Event callback from the input module. Events that change the state of 664 * the hardware are processed here. 665 */ 666 static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) 667 { 668 struct adbhid *adbhid = input_get_drvdata(dev); 669 unsigned char leds; 670 671 switch (type) { 672 case EV_LED: 673 leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) | 674 (test_bit(LED_NUML, dev->led) ? 1 : 0) | 675 (test_bit(LED_CAPSL, dev->led) ? 2 : 0); 676 real_leds(leds, adbhid->id); 677 return 0; 678 } 679 680 return -1; 681 } 682 683 static int 684 adb_message_handler(struct notifier_block *this, unsigned long code, void *x) 685 { 686 switch (code) { 687 case ADB_MSG_PRE_RESET: 688 case ADB_MSG_POWERDOWN: 689 /* Stop the repeat timer. Autopoll is already off at this point */ 690 { 691 int i; 692 for (i = 1; i < 16; i++) { 693 if (adbhid[i]) 694 del_timer_sync(&adbhid[i]->input->timer); 695 } 696 } 697 698 /* Stop pending led requests */ 699 while(leds_req_pending) 700 adb_poll(); 701 break; 702 703 case ADB_MSG_POST_RESET: 704 adbhid_probe(); 705 break; 706 } 707 return NOTIFY_DONE; 708 } 709 710 static int 711 adbhid_input_register(int id, int default_id, int original_handler_id, 712 int current_handler_id, int mouse_kind) 713 { 714 struct adbhid *hid; 715 struct input_dev *input_dev; 716 int err; 717 int i; 718 719 if (adbhid[id]) { 720 printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id); 721 return -EEXIST; 722 } 723 724 adbhid[id] = hid = kzalloc(sizeof(struct adbhid), GFP_KERNEL); 725 input_dev = input_allocate_device(); 726 if (!hid || !input_dev) { 727 err = -ENOMEM; 728 goto fail; 729 } 730 731 sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id); 732 733 hid->input = input_dev; 734 hid->id = default_id; 735 hid->original_handler_id = original_handler_id; 736 hid->current_handler_id = current_handler_id; 737 hid->mouse_kind = mouse_kind; 738 hid->flags = 0; 739 input_set_drvdata(input_dev, hid); 740 input_dev->name = hid->name; 741 input_dev->phys = hid->phys; 742 input_dev->id.bustype = BUS_ADB; 743 input_dev->id.vendor = 0x0001; 744 input_dev->id.product = (id << 12) | (default_id << 8) | original_handler_id; 745 input_dev->id.version = 0x0100; 746 747 switch (default_id) { 748 case ADB_KEYBOARD: 749 hid->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL); 750 if (!hid->keycode) { 751 err = -ENOMEM; 752 goto fail; 753 } 754 755 sprintf(hid->name, "ADB keyboard"); 756 757 memcpy(hid->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes)); 758 759 printk(KERN_INFO "Detected ADB keyboard, type "); 760 switch (original_handler_id) { 761 default: 762 printk("<unknown>.\n"); 763 input_dev->id.version = ADB_KEYBOARD_UNKNOWN; 764 break; 765 766 case 0x01: case 0x02: case 0x03: case 0x06: case 0x08: 767 case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C: 768 case 0xC0: case 0xC3: case 0xC6: 769 printk("ANSI.\n"); 770 input_dev->id.version = ADB_KEYBOARD_ANSI; 771 break; 772 773 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D: 774 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1: 775 case 0xC4: case 0xC7: 776 printk("ISO, swapping keys.\n"); 777 input_dev->id.version = ADB_KEYBOARD_ISO; 778 i = hid->keycode[10]; 779 hid->keycode[10] = hid->keycode[50]; 780 hid->keycode[50] = i; 781 break; 782 783 case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A: 784 case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9: 785 printk("JIS.\n"); 786 input_dev->id.version = ADB_KEYBOARD_JIS; 787 break; 788 } 789 790 for (i = 0; i < 128; i++) 791 if (hid->keycode[i]) 792 set_bit(hid->keycode[i], input_dev->keybit); 793 794 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) | 795 BIT_MASK(EV_REP); 796 input_dev->ledbit[0] = BIT_MASK(LED_SCROLLL) | 797 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_NUML); 798 input_dev->event = adbhid_kbd_event; 799 input_dev->keycodemax = KEY_FN; 800 input_dev->keycodesize = sizeof(hid->keycode[0]); 801 break; 802 803 case ADB_MOUSE: 804 sprintf(hid->name, "ADB mouse"); 805 806 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 807 input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | 808 BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 809 input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 810 break; 811 812 case ADB_MISC: 813 switch (original_handler_id) { 814 case 0x02: /* Adjustable keyboard button device */ 815 sprintf(hid->name, "ADB adjustable keyboard buttons"); 816 input_dev->evbit[0] = BIT_MASK(EV_KEY) | 817 BIT_MASK(EV_REP); 818 set_bit(KEY_SOUND, input_dev->keybit); 819 set_bit(KEY_MUTE, input_dev->keybit); 820 set_bit(KEY_VOLUMEUP, input_dev->keybit); 821 set_bit(KEY_VOLUMEDOWN, input_dev->keybit); 822 break; 823 case 0x1f: /* Powerbook button device */ 824 sprintf(hid->name, "ADB Powerbook buttons"); 825 input_dev->evbit[0] = BIT_MASK(EV_KEY) | 826 BIT_MASK(EV_REP); 827 set_bit(KEY_MUTE, input_dev->keybit); 828 set_bit(KEY_VOLUMEUP, input_dev->keybit); 829 set_bit(KEY_VOLUMEDOWN, input_dev->keybit); 830 set_bit(KEY_BRIGHTNESSUP, input_dev->keybit); 831 set_bit(KEY_BRIGHTNESSDOWN, input_dev->keybit); 832 set_bit(KEY_EJECTCD, input_dev->keybit); 833 set_bit(KEY_SWITCHVIDEOMODE, input_dev->keybit); 834 set_bit(KEY_KBDILLUMTOGGLE, input_dev->keybit); 835 set_bit(KEY_KBDILLUMDOWN, input_dev->keybit); 836 set_bit(KEY_KBDILLUMUP, input_dev->keybit); 837 break; 838 } 839 if (hid->name[0]) 840 break; 841 /* else fall through */ 842 843 default: 844 printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n"); 845 err = -ENODEV; 846 goto fail; 847 } 848 849 input_dev->keycode = hid->keycode; 850 851 err = input_register_device(input_dev); 852 if (err) 853 goto fail; 854 855 if (default_id == ADB_KEYBOARD) { 856 /* HACK WARNING!! This should go away as soon there is an utility 857 * to control that for event devices. 858 */ 859 input_dev->rep[REP_DELAY] = 500; /* input layer default: 250 */ 860 input_dev->rep[REP_PERIOD] = 66; /* input layer default: 33 */ 861 } 862 863 return 0; 864 865 fail: input_free_device(input_dev); 866 if (hid) { 867 kfree(hid->keycode); 868 kfree(hid); 869 } 870 adbhid[id] = NULL; 871 return err; 872 } 873 874 static void adbhid_input_unregister(int id) 875 { 876 input_unregister_device(adbhid[id]->input); 877 kfree(adbhid[id]->keycode); 878 kfree(adbhid[id]); 879 adbhid[id] = NULL; 880 } 881 882 883 static u16 884 adbhid_input_reregister(int id, int default_id, int org_handler_id, 885 int cur_handler_id, int mk) 886 { 887 if (adbhid[id]) { 888 if (adbhid[id]->input->id.product != 889 ((id << 12)|(default_id << 8)|org_handler_id)) { 890 adbhid_input_unregister(id); 891 adbhid_input_register(id, default_id, org_handler_id, 892 cur_handler_id, mk); 893 } 894 } else 895 adbhid_input_register(id, default_id, org_handler_id, 896 cur_handler_id, mk); 897 return 1<<id; 898 } 899 900 static void 901 adbhid_input_devcleanup(u16 exist) 902 { 903 int i; 904 for(i=1; i<16; i++) 905 if (adbhid[i] && !(exist&(1<<i))) 906 adbhid_input_unregister(i); 907 } 908 909 static void 910 adbhid_probe(void) 911 { 912 struct adb_request req; 913 int i, default_id, org_handler_id, cur_handler_id; 914 u16 reg = 0; 915 916 adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input); 917 adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input); 918 adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input); 919 920 for (i = 0; i < keyboard_ids.nids; i++) { 921 int id = keyboard_ids.id[i]; 922 923 adb_get_infos(id, &default_id, &org_handler_id); 924 925 /* turn off all leds */ 926 adb_request(&req, NULL, ADBREQ_SYNC, 3, 927 ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff); 928 929 /* Enable full feature set of the keyboard 930 ->get it to send separate codes for left and right shift, 931 control, option keys */ 932 #if 0 /* handler 5 doesn't send separate codes for R modifiers */ 933 if (adb_try_handler_change(id, 5)) 934 printk("ADB keyboard at %d, handler set to 5\n", id); 935 else 936 #endif 937 if (adb_try_handler_change(id, 3)) 938 printk("ADB keyboard at %d, handler set to 3\n", id); 939 else 940 printk("ADB keyboard at %d, handler 1\n", id); 941 942 adb_get_infos(id, &default_id, &cur_handler_id); 943 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 944 cur_handler_id, 0); 945 } 946 947 for (i = 0; i < buttons_ids.nids; i++) { 948 int id = buttons_ids.id[i]; 949 950 adb_get_infos(id, &default_id, &org_handler_id); 951 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 952 org_handler_id, 0); 953 } 954 955 /* Try to switch all mice to handler 4, or 2 for three-button 956 mode and full resolution. */ 957 for (i = 0; i < mouse_ids.nids; i++) { 958 int id = mouse_ids.id[i]; 959 int mouse_kind; 960 961 adb_get_infos(id, &default_id, &org_handler_id); 962 963 if (adb_try_handler_change(id, 4)) { 964 printk("ADB mouse at %d, handler set to 4", id); 965 mouse_kind = ADBMOUSE_EXTENDED; 966 } 967 else if (adb_try_handler_change(id, 0x2F)) { 968 printk("ADB mouse at %d, handler set to 0x2F", id); 969 mouse_kind = ADBMOUSE_MICROSPEED; 970 } 971 else if (adb_try_handler_change(id, 0x42)) { 972 printk("ADB mouse at %d, handler set to 0x42", id); 973 mouse_kind = ADBMOUSE_TRACKBALLPRO; 974 } 975 else if (adb_try_handler_change(id, 0x66)) { 976 printk("ADB mouse at %d, handler set to 0x66", id); 977 mouse_kind = ADBMOUSE_MICROSPEED; 978 } 979 else if (adb_try_handler_change(id, 0x5F)) { 980 printk("ADB mouse at %d, handler set to 0x5F", id); 981 mouse_kind = ADBMOUSE_MICROSPEED; 982 } 983 else if (adb_try_handler_change(id, 3)) { 984 printk("ADB mouse at %d, handler set to 3", id); 985 mouse_kind = ADBMOUSE_MS_A3; 986 } 987 else if (adb_try_handler_change(id, 2)) { 988 printk("ADB mouse at %d, handler set to 2", id); 989 mouse_kind = ADBMOUSE_STANDARD_200; 990 } 991 else { 992 printk("ADB mouse at %d, handler 1", id); 993 mouse_kind = ADBMOUSE_STANDARD_100; 994 } 995 996 if ((mouse_kind == ADBMOUSE_TRACKBALLPRO) 997 || (mouse_kind == ADBMOUSE_MICROSPEED)) { 998 init_microspeed(id); 999 } else if (mouse_kind == ADBMOUSE_MS_A3) { 1000 init_ms_a3(id); 1001 } else if (mouse_kind == ADBMOUSE_EXTENDED) { 1002 /* 1003 * Register 1 is usually used for device 1004 * identification. Here, we try to identify 1005 * a known device and call the appropriate 1006 * init function. 1007 */ 1008 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 1009 ADB_READREG(id, 1)); 1010 1011 if ((req.reply_len) && 1012 (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21) 1013 || (req.reply[2] == 0x20))) { 1014 mouse_kind = ADBMOUSE_TRACKBALL; 1015 init_trackball(id); 1016 } 1017 else if ((req.reply_len >= 4) && 1018 (req.reply[1] == 0x74) && (req.reply[2] == 0x70) && 1019 (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) { 1020 mouse_kind = ADBMOUSE_TRACKPAD; 1021 init_trackpad(id); 1022 } 1023 else if ((req.reply_len >= 4) && 1024 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) && 1025 (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) { 1026 mouse_kind = ADBMOUSE_TURBOMOUSE5; 1027 init_turbomouse(id); 1028 } 1029 else if ((req.reply_len == 9) && 1030 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) && 1031 (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) { 1032 if (adb_try_handler_change(id, 0x42)) { 1033 printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id); 1034 mouse_kind = ADBMOUSE_MACALLY2; 1035 } 1036 } 1037 } 1038 printk("\n"); 1039 1040 adb_get_infos(id, &default_id, &cur_handler_id); 1041 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 1042 cur_handler_id, mouse_kind); 1043 } 1044 adbhid_input_devcleanup(reg); 1045 } 1046 1047 static void 1048 init_trackpad(int id) 1049 { 1050 struct adb_request req; 1051 unsigned char r1_buffer[8]; 1052 1053 printk(" (trackpad)"); 1054 1055 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 1056 ADB_READREG(id,1)); 1057 if (req.reply_len < 8) 1058 printk("bad length for reg. 1\n"); 1059 else 1060 { 1061 memcpy(r1_buffer, &req.reply[1], 8); 1062 1063 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1064 ADB_WRITEREG(id,1), 1065 r1_buffer[0], 1066 r1_buffer[1], 1067 r1_buffer[2], 1068 r1_buffer[3], 1069 r1_buffer[4], 1070 r1_buffer[5], 1071 0x0d, 1072 r1_buffer[7]); 1073 1074 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1075 ADB_WRITEREG(id,2), 1076 0x99, 1077 0x94, 1078 0x19, 1079 0xff, 1080 0xb2, 1081 0x8a, 1082 0x1b, 1083 0x50); 1084 1085 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1086 ADB_WRITEREG(id,1), 1087 r1_buffer[0], 1088 r1_buffer[1], 1089 r1_buffer[2], 1090 r1_buffer[3], 1091 r1_buffer[4], 1092 r1_buffer[5], 1093 0x03, /*r1_buffer[6],*/ 1094 r1_buffer[7]); 1095 1096 /* Without this flush, the trackpad may be locked up */ 1097 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1098 } 1099 } 1100 1101 static void 1102 init_trackball(int id) 1103 { 1104 struct adb_request req; 1105 1106 printk(" (trackman/mouseman)"); 1107 1108 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1109 ADB_WRITEREG(id,1), 00,0x81); 1110 1111 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1112 ADB_WRITEREG(id,1), 01,0x81); 1113 1114 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1115 ADB_WRITEREG(id,1), 02,0x81); 1116 1117 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1118 ADB_WRITEREG(id,1), 03,0x38); 1119 1120 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1121 ADB_WRITEREG(id,1), 00,0x81); 1122 1123 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1124 ADB_WRITEREG(id,1), 01,0x81); 1125 1126 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1127 ADB_WRITEREG(id,1), 02,0x81); 1128 1129 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1130 ADB_WRITEREG(id,1), 03,0x38); 1131 } 1132 1133 static void 1134 init_turbomouse(int id) 1135 { 1136 struct adb_request req; 1137 1138 printk(" (TurboMouse 5)"); 1139 1140 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1141 1142 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 1143 1144 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1145 ADB_WRITEREG(3,2), 1146 0xe7, 1147 0x8c, 1148 0, 1149 0, 1150 0, 1151 0xff, 1152 0xff, 1153 0x94); 1154 1155 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 1156 1157 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1158 ADB_WRITEREG(3,2), 1159 0xa5, 1160 0x14, 1161 0, 1162 0, 1163 0x69, 1164 0xff, 1165 0xff, 1166 0x27); 1167 } 1168 1169 static void 1170 init_microspeed(int id) 1171 { 1172 struct adb_request req; 1173 1174 printk(" (Microspeed/MacPoint or compatible)"); 1175 1176 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1177 1178 /* This will initialize mice using the Microspeed, MacPoint and 1179 other compatible firmware. Bit 12 enables extended protocol. 1180 1181 Register 1 Listen (4 Bytes) 1182 0 - 3 Button is mouse (set also for double clicking!!!) 1183 4 - 7 Button is locking (affects change speed also) 1184 8 - 11 Button changes speed 1185 12 1 = Extended mouse mode, 0 = normal mouse mode 1186 13 - 15 unused 0 1187 16 - 23 normal speed 1188 24 - 31 changed speed 1189 1190 Register 1 talk holds version and product identification information. 1191 Register 1 Talk (4 Bytes): 1192 0 - 7 Product code 1193 8 - 23 undefined, reserved 1194 24 - 31 Version number 1195 1196 Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max. 1197 */ 1198 adb_request(&req, NULL, ADBREQ_SYNC, 5, 1199 ADB_WRITEREG(id,1), 1200 0x20, /* alt speed = 0x20 (rather slow) */ 1201 0x00, /* norm speed = 0x00 (fastest) */ 1202 0x10, /* extended protocol, no speed change */ 1203 0x07); /* all buttons enabled as mouse buttons, no locking */ 1204 1205 1206 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1207 } 1208 1209 static void 1210 init_ms_a3(int id) 1211 { 1212 struct adb_request req; 1213 1214 printk(" (Mouse Systems A3 Mouse, or compatible)"); 1215 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1216 ADB_WRITEREG(id, 0x2), 1217 0x00, 1218 0x07); 1219 1220 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1221 } 1222 1223 static int __init adbhid_init(void) 1224 { 1225 #ifndef CONFIG_MAC 1226 if (!machine_is(chrp) && !machine_is(powermac)) 1227 return 0; 1228 #endif 1229 1230 led_request.complete = 1; 1231 1232 adbhid_probe(); 1233 1234 blocking_notifier_chain_register(&adb_client_list, 1235 &adbhid_adb_notifier); 1236 1237 return 0; 1238 } 1239 1240 static void __exit adbhid_exit(void) 1241 { 1242 } 1243 1244 module_init(adbhid_init); 1245 module_exit(adbhid_exit); 1246