1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * drivers/macintosh/adbhid.c 4 * 5 * ADB HID driver for Power Macintosh computers. 6 * 7 * Adapted from drivers/macintosh/mac_keyb.c by Franz Sirl. 8 * drivers/macintosh/mac_keyb.c was Copyright (C) 1996 Paul Mackerras 9 * with considerable contributions from Ben Herrenschmidt and others. 10 * 11 * Copyright (C) 2000 Franz Sirl. 12 * 13 * Adapted to ADB changes and support for more devices by 14 * Benjamin Herrenschmidt. Adapted from code in MkLinux 15 * and reworked. 16 * 17 * Supported devices: 18 * 19 * - Standard 1 button mouse 20 * - All standard Apple Extended protocol (handler ID 4) 21 * - mouseman and trackman mice & trackballs 22 * - PowerBook Trackpad (default setup: enable tapping) 23 * - MicroSpeed mouse & trackball (needs testing) 24 * - CH Products Trackball Pro (needs testing) 25 * - Contour Design (Contour Mouse) 26 * - Hunter digital (NoHandsMouse) 27 * - Kensignton TurboMouse 5 (needs testing) 28 * - Mouse Systems A3 mice and trackballs <aidan@kublai.com> 29 * - MacAlly 2-buttons mouse (needs testing) <pochini@denise.shiny.it> 30 * 31 * To do: 32 * 33 * Improve Kensington support. 34 * Split mouse/kbd 35 * Move to syfs 36 */ 37 38 #include <linux/module.h> 39 #include <linux/slab.h> 40 #include <linux/init.h> 41 #include <linux/notifier.h> 42 #include <linux/input.h> 43 44 #include <linux/adb.h> 45 #include <linux/cuda.h> 46 #include <linux/pmu.h> 47 48 #include <asm/machdep.h> 49 #ifdef CONFIG_PPC_PMAC 50 #include <asm/backlight.h> 51 #include <asm/pmac_feature.h> 52 #endif 53 54 MODULE_AUTHOR("Franz Sirl <Franz.Sirl-kernel@lauterbach.com>"); 55 56 static int restore_capslock_events; 57 module_param(restore_capslock_events, int, 0644); 58 MODULE_PARM_DESC(restore_capslock_events, 59 "Produce keypress events for capslock on both keyup and keydown."); 60 61 #define KEYB_KEYREG 0 /* register # for key up/down data */ 62 #define KEYB_LEDREG 2 /* register # for leds on ADB keyboard */ 63 #define MOUSE_DATAREG 0 /* reg# for movement/button codes from mouse */ 64 65 static int adb_message_handler(struct notifier_block *, unsigned long, void *); 66 static struct notifier_block adbhid_adb_notifier = { 67 .notifier_call = adb_message_handler, 68 }; 69 70 /* Some special keys */ 71 #define ADB_KEY_DEL 0x33 72 #define ADB_KEY_CMD 0x37 73 #define ADB_KEY_CAPSLOCK 0x39 74 #define ADB_KEY_FN 0x3f 75 #define ADB_KEY_FWDEL 0x75 76 #define ADB_KEY_POWER_OLD 0x7e 77 #define ADB_KEY_POWER 0x7f 78 79 static const u16 adb_to_linux_keycodes[128] = { 80 /* 0x00 */ KEY_A, /* 30 */ 81 /* 0x01 */ KEY_S, /* 31 */ 82 /* 0x02 */ KEY_D, /* 32 */ 83 /* 0x03 */ KEY_F, /* 33 */ 84 /* 0x04 */ KEY_H, /* 35 */ 85 /* 0x05 */ KEY_G, /* 34 */ 86 /* 0x06 */ KEY_Z, /* 44 */ 87 /* 0x07 */ KEY_X, /* 45 */ 88 /* 0x08 */ KEY_C, /* 46 */ 89 /* 0x09 */ KEY_V, /* 47 */ 90 /* 0x0a */ KEY_102ND, /* 86 */ 91 /* 0x0b */ KEY_B, /* 48 */ 92 /* 0x0c */ KEY_Q, /* 16 */ 93 /* 0x0d */ KEY_W, /* 17 */ 94 /* 0x0e */ KEY_E, /* 18 */ 95 /* 0x0f */ KEY_R, /* 19 */ 96 /* 0x10 */ KEY_Y, /* 21 */ 97 /* 0x11 */ KEY_T, /* 20 */ 98 /* 0x12 */ KEY_1, /* 2 */ 99 /* 0x13 */ KEY_2, /* 3 */ 100 /* 0x14 */ KEY_3, /* 4 */ 101 /* 0x15 */ KEY_4, /* 5 */ 102 /* 0x16 */ KEY_6, /* 7 */ 103 /* 0x17 */ KEY_5, /* 6 */ 104 /* 0x18 */ KEY_EQUAL, /* 13 */ 105 /* 0x19 */ KEY_9, /* 10 */ 106 /* 0x1a */ KEY_7, /* 8 */ 107 /* 0x1b */ KEY_MINUS, /* 12 */ 108 /* 0x1c */ KEY_8, /* 9 */ 109 /* 0x1d */ KEY_0, /* 11 */ 110 /* 0x1e */ KEY_RIGHTBRACE, /* 27 */ 111 /* 0x1f */ KEY_O, /* 24 */ 112 /* 0x20 */ KEY_U, /* 22 */ 113 /* 0x21 */ KEY_LEFTBRACE, /* 26 */ 114 /* 0x22 */ KEY_I, /* 23 */ 115 /* 0x23 */ KEY_P, /* 25 */ 116 /* 0x24 */ KEY_ENTER, /* 28 */ 117 /* 0x25 */ KEY_L, /* 38 */ 118 /* 0x26 */ KEY_J, /* 36 */ 119 /* 0x27 */ KEY_APOSTROPHE, /* 40 */ 120 /* 0x28 */ KEY_K, /* 37 */ 121 /* 0x29 */ KEY_SEMICOLON, /* 39 */ 122 /* 0x2a */ KEY_BACKSLASH, /* 43 */ 123 /* 0x2b */ KEY_COMMA, /* 51 */ 124 /* 0x2c */ KEY_SLASH, /* 53 */ 125 /* 0x2d */ KEY_N, /* 49 */ 126 /* 0x2e */ KEY_M, /* 50 */ 127 /* 0x2f */ KEY_DOT, /* 52 */ 128 /* 0x30 */ KEY_TAB, /* 15 */ 129 /* 0x31 */ KEY_SPACE, /* 57 */ 130 /* 0x32 */ KEY_GRAVE, /* 41 */ 131 /* 0x33 */ KEY_BACKSPACE, /* 14 */ 132 /* 0x34 */ KEY_KPENTER, /* 96 */ 133 /* 0x35 */ KEY_ESC, /* 1 */ 134 /* 0x36 */ KEY_LEFTCTRL, /* 29 */ 135 /* 0x37 */ KEY_LEFTMETA, /* 125 */ 136 /* 0x38 */ KEY_LEFTSHIFT, /* 42 */ 137 /* 0x39 */ KEY_CAPSLOCK, /* 58 */ 138 /* 0x3a */ KEY_LEFTALT, /* 56 */ 139 /* 0x3b */ KEY_LEFT, /* 105 */ 140 /* 0x3c */ KEY_RIGHT, /* 106 */ 141 /* 0x3d */ KEY_DOWN, /* 108 */ 142 /* 0x3e */ KEY_UP, /* 103 */ 143 /* 0x3f */ KEY_FN, /* 0x1d0 */ 144 /* 0x40 */ 0, 145 /* 0x41 */ KEY_KPDOT, /* 83 */ 146 /* 0x42 */ 0, 147 /* 0x43 */ KEY_KPASTERISK, /* 55 */ 148 /* 0x44 */ 0, 149 /* 0x45 */ KEY_KPPLUS, /* 78 */ 150 /* 0x46 */ 0, 151 /* 0x47 */ KEY_NUMLOCK, /* 69 */ 152 /* 0x48 */ 0, 153 /* 0x49 */ 0, 154 /* 0x4a */ 0, 155 /* 0x4b */ KEY_KPSLASH, /* 98 */ 156 /* 0x4c */ KEY_KPENTER, /* 96 */ 157 /* 0x4d */ 0, 158 /* 0x4e */ KEY_KPMINUS, /* 74 */ 159 /* 0x4f */ 0, 160 /* 0x50 */ 0, 161 /* 0x51 */ KEY_KPEQUAL, /* 117 */ 162 /* 0x52 */ KEY_KP0, /* 82 */ 163 /* 0x53 */ KEY_KP1, /* 79 */ 164 /* 0x54 */ KEY_KP2, /* 80 */ 165 /* 0x55 */ KEY_KP3, /* 81 */ 166 /* 0x56 */ KEY_KP4, /* 75 */ 167 /* 0x57 */ KEY_KP5, /* 76 */ 168 /* 0x58 */ KEY_KP6, /* 77 */ 169 /* 0x59 */ KEY_KP7, /* 71 */ 170 /* 0x5a */ 0, 171 /* 0x5b */ KEY_KP8, /* 72 */ 172 /* 0x5c */ KEY_KP9, /* 73 */ 173 /* 0x5d */ KEY_YEN, /* 124 */ 174 /* 0x5e */ KEY_RO, /* 89 */ 175 /* 0x5f */ KEY_KPCOMMA, /* 121 */ 176 /* 0x60 */ KEY_F5, /* 63 */ 177 /* 0x61 */ KEY_F6, /* 64 */ 178 /* 0x62 */ KEY_F7, /* 65 */ 179 /* 0x63 */ KEY_F3, /* 61 */ 180 /* 0x64 */ KEY_F8, /* 66 */ 181 /* 0x65 */ KEY_F9, /* 67 */ 182 /* 0x66 */ KEY_HANJA, /* 123 */ 183 /* 0x67 */ KEY_F11, /* 87 */ 184 /* 0x68 */ KEY_HANGEUL, /* 122 */ 185 /* 0x69 */ KEY_SYSRQ, /* 99 */ 186 /* 0x6a */ 0, 187 /* 0x6b */ KEY_SCROLLLOCK, /* 70 */ 188 /* 0x6c */ 0, 189 /* 0x6d */ KEY_F10, /* 68 */ 190 /* 0x6e */ KEY_COMPOSE, /* 127 */ 191 /* 0x6f */ KEY_F12, /* 88 */ 192 /* 0x70 */ 0, 193 /* 0x71 */ KEY_PAUSE, /* 119 */ 194 /* 0x72 */ KEY_INSERT, /* 110 */ 195 /* 0x73 */ KEY_HOME, /* 102 */ 196 /* 0x74 */ KEY_PAGEUP, /* 104 */ 197 /* 0x75 */ KEY_DELETE, /* 111 */ 198 /* 0x76 */ KEY_F4, /* 62 */ 199 /* 0x77 */ KEY_END, /* 107 */ 200 /* 0x78 */ KEY_F2, /* 60 */ 201 /* 0x79 */ KEY_PAGEDOWN, /* 109 */ 202 /* 0x7a */ KEY_F1, /* 59 */ 203 /* 0x7b */ KEY_RIGHTSHIFT, /* 54 */ 204 /* 0x7c */ KEY_RIGHTALT, /* 100 */ 205 /* 0x7d */ KEY_RIGHTCTRL, /* 97 */ 206 /* 0x7e */ KEY_RIGHTMETA, /* 126 */ 207 /* 0x7f */ KEY_POWER, /* 116 */ 208 }; 209 210 struct adbhid { 211 struct input_dev *input; 212 int id; 213 int default_id; 214 int original_handler_id; 215 int current_handler_id; 216 int mouse_kind; 217 u16 *keycode; 218 char name[64]; 219 char phys[32]; 220 int flags; 221 }; 222 223 #define FLAG_FN_KEY_PRESSED 0x00000001 224 #define FLAG_POWER_FROM_FN 0x00000002 225 #define FLAG_EMU_FWDEL_DOWN 0x00000004 226 #define FLAG_CAPSLOCK_TRANSLATE 0x00000008 227 #define FLAG_CAPSLOCK_DOWN 0x00000010 228 #define FLAG_CAPSLOCK_IGNORE_NEXT 0x00000020 229 #define FLAG_POWER_KEY_PRESSED 0x00000040 230 231 static struct adbhid *adbhid[16]; 232 233 static void adbhid_probe(void); 234 235 static void adbhid_input_keycode(int, int, int); 236 237 static void init_trackpad(int id); 238 static void init_trackball(int id); 239 static void init_turbomouse(int id); 240 static void init_microspeed(int id); 241 static void init_ms_a3(int id); 242 243 static struct adb_ids keyboard_ids; 244 static struct adb_ids mouse_ids; 245 static struct adb_ids buttons_ids; 246 247 /* Kind of keyboard, see Apple technote 1152 */ 248 #define ADB_KEYBOARD_UNKNOWN 0 249 #define ADB_KEYBOARD_ANSI 0x0100 250 #define ADB_KEYBOARD_ISO 0x0200 251 #define ADB_KEYBOARD_JIS 0x0300 252 253 /* Kind of mouse */ 254 #define ADBMOUSE_STANDARD_100 0 /* Standard 100cpi mouse (handler 1) */ 255 #define ADBMOUSE_STANDARD_200 1 /* Standard 200cpi mouse (handler 2) */ 256 #define ADBMOUSE_EXTENDED 2 /* Apple Extended mouse (handler 4) */ 257 #define ADBMOUSE_TRACKBALL 3 /* TrackBall (handler 4) */ 258 #define ADBMOUSE_TRACKPAD 4 /* Apple's PowerBook trackpad (handler 4) */ 259 #define ADBMOUSE_TURBOMOUSE5 5 /* Turbomouse 5 (previously req. mousehack) */ 260 #define ADBMOUSE_MICROSPEED 6 /* Microspeed mouse (&trackball ?), MacPoint */ 261 #define ADBMOUSE_TRACKBALLPRO 7 /* Trackball Pro (special buttons) */ 262 #define ADBMOUSE_MS_A3 8 /* Mouse systems A3 trackball (handler 3) */ 263 #define ADBMOUSE_MACALLY2 9 /* MacAlly 2-button mouse */ 264 265 static void 266 adbhid_keyboard_input(unsigned char *data, int nb, int apoll) 267 { 268 int id = (data[0] >> 4) & 0x0f; 269 270 if (!adbhid[id]) { 271 printk(KERN_ERR "ADB HID on ID %d not yet registered, packet %#02x, %#02x, %#02x, %#02x\n", 272 id, data[0], data[1], data[2], data[3]); 273 return; 274 } 275 276 /* first check this is from register 0 */ 277 if (nb != 3 || (data[0] & 3) != KEYB_KEYREG) 278 return; /* ignore it */ 279 adbhid_input_keycode(id, data[1], 0); 280 if (!(data[2] == 0xff || (data[2] == 0x7f && data[1] == 0x7f))) 281 adbhid_input_keycode(id, data[2], 0); 282 } 283 284 static void 285 adbhid_input_keycode(int id, int scancode, int repeat) 286 { 287 struct adbhid *ahid = adbhid[id]; 288 int keycode, up_flag, key; 289 290 keycode = scancode & 0x7f; 291 up_flag = scancode & 0x80; 292 293 if (restore_capslock_events) { 294 if (keycode == ADB_KEY_CAPSLOCK && !up_flag) { 295 /* Key pressed, turning on the CapsLock LED. 296 * The next 0xff will be interpreted as a release. */ 297 if (ahid->flags & FLAG_CAPSLOCK_IGNORE_NEXT) { 298 /* Throw away this key event if it happens 299 * just after resume. */ 300 ahid->flags &= ~FLAG_CAPSLOCK_IGNORE_NEXT; 301 return; 302 } else { 303 ahid->flags |= FLAG_CAPSLOCK_TRANSLATE 304 | FLAG_CAPSLOCK_DOWN; 305 } 306 } else if (scancode == 0xff && 307 !(ahid->flags & FLAG_POWER_KEY_PRESSED)) { 308 /* Scancode 0xff usually signifies that the capslock 309 * key was either pressed or released, or that the 310 * power button was released. */ 311 if (ahid->flags & FLAG_CAPSLOCK_TRANSLATE) { 312 keycode = ADB_KEY_CAPSLOCK; 313 if (ahid->flags & FLAG_CAPSLOCK_DOWN) { 314 /* Key released */ 315 up_flag = 1; 316 ahid->flags &= ~FLAG_CAPSLOCK_DOWN; 317 } else { 318 /* Key pressed */ 319 up_flag = 0; 320 ahid->flags &= ~FLAG_CAPSLOCK_TRANSLATE; 321 } 322 } else { 323 printk(KERN_INFO "Spurious caps lock event " 324 "(scancode 0xff).\n"); 325 } 326 } 327 } 328 329 switch (keycode) { 330 case ADB_KEY_CAPSLOCK: 331 if (!restore_capslock_events) { 332 /* Generate down/up events for CapsLock every time. */ 333 input_report_key(ahid->input, KEY_CAPSLOCK, 1); 334 input_sync(ahid->input); 335 input_report_key(ahid->input, KEY_CAPSLOCK, 0); 336 input_sync(ahid->input); 337 return; 338 } 339 break; 340 #ifdef CONFIG_PPC_PMAC 341 case ADB_KEY_POWER_OLD: /* Power key on PBook 3400 needs remapping */ 342 switch(pmac_call_feature(PMAC_FTR_GET_MB_INFO, 343 NULL, PMAC_MB_INFO_MODEL, 0)) { 344 case PMAC_TYPE_COMET: 345 case PMAC_TYPE_HOOPER: 346 case PMAC_TYPE_KANGA: 347 keycode = ADB_KEY_POWER; 348 } 349 break; 350 case ADB_KEY_POWER: 351 /* Keep track of the power key state */ 352 if (up_flag) 353 ahid->flags &= ~FLAG_POWER_KEY_PRESSED; 354 else 355 ahid->flags |= FLAG_POWER_KEY_PRESSED; 356 357 /* Fn + Command will produce a bogus "power" keycode */ 358 if (ahid->flags & FLAG_FN_KEY_PRESSED) { 359 keycode = ADB_KEY_CMD; 360 if (up_flag) 361 ahid->flags &= ~FLAG_POWER_FROM_FN; 362 else 363 ahid->flags |= FLAG_POWER_FROM_FN; 364 } else if (ahid->flags & FLAG_POWER_FROM_FN) { 365 keycode = ADB_KEY_CMD; 366 ahid->flags &= ~FLAG_POWER_FROM_FN; 367 } 368 break; 369 case ADB_KEY_FN: 370 /* Keep track of the Fn key state */ 371 if (up_flag) { 372 ahid->flags &= ~FLAG_FN_KEY_PRESSED; 373 /* Emulate Fn+delete = forward delete */ 374 if (ahid->flags & FLAG_EMU_FWDEL_DOWN) { 375 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; 376 keycode = ADB_KEY_FWDEL; 377 break; 378 } 379 } else 380 ahid->flags |= FLAG_FN_KEY_PRESSED; 381 break; 382 case ADB_KEY_DEL: 383 /* Emulate Fn+delete = forward delete */ 384 if (ahid->flags & FLAG_FN_KEY_PRESSED) { 385 keycode = ADB_KEY_FWDEL; 386 if (up_flag) 387 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; 388 else 389 ahid->flags |= FLAG_EMU_FWDEL_DOWN; 390 } 391 break; 392 #endif /* CONFIG_PPC_PMAC */ 393 } 394 395 key = adbhid[id]->keycode[keycode]; 396 if (key) { 397 input_report_key(adbhid[id]->input, key, !up_flag); 398 input_sync(adbhid[id]->input); 399 } else 400 printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode, 401 up_flag ? "released" : "pressed"); 402 403 } 404 405 static void 406 adbhid_mouse_input(unsigned char *data, int nb, int autopoll) 407 { 408 int id = (data[0] >> 4) & 0x0f; 409 410 if (!adbhid[id]) { 411 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); 412 return; 413 } 414 415 /* 416 Handler 1 -- 100cpi original Apple mouse protocol. 417 Handler 2 -- 200cpi original Apple mouse protocol. 418 419 For Apple's standard one-button mouse protocol the data array will 420 contain the following values: 421 422 BITS COMMENTS 423 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 424 data[1] = bxxx xxxx First button and x-axis motion. 425 data[2] = byyy yyyy Second button and y-axis motion. 426 427 Handler 4 -- Apple Extended mouse protocol. 428 429 For Apple's 3-button mouse protocol the data array will contain the 430 following values: 431 432 BITS COMMENTS 433 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 434 data[1] = bxxx xxxx Left button and x-axis motion. 435 data[2] = byyy yyyy Second button and y-axis motion. 436 data[3] = byyy bxxx Third button and fourth button. Y is additional 437 high bits of y-axis motion. XY is additional 438 high bits of x-axis motion. 439 440 MacAlly 2-button mouse protocol. 441 442 For MacAlly 2-button mouse protocol the data array will contain the 443 following values: 444 445 BITS COMMENTS 446 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 447 data[1] = bxxx xxxx Left button and x-axis motion. 448 data[2] = byyy yyyy Right button and y-axis motion. 449 data[3] = ???? ???? unknown 450 data[4] = ???? ???? unknown 451 452 */ 453 454 /* If it's a trackpad, we alias the second button to the first. 455 NOTE: Apple sends an ADB flush command to the trackpad when 456 the first (the real) button is released. We could do 457 this here using async flush requests. 458 */ 459 switch (adbhid[id]->mouse_kind) 460 { 461 case ADBMOUSE_TRACKPAD: 462 data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80); 463 data[2] = data[2] | 0x80; 464 break; 465 case ADBMOUSE_MICROSPEED: 466 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 467 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 468 data[3] = (data[3] & 0x77) | ((data[3] & 0x04) << 5) 469 | (data[3] & 0x08); 470 break; 471 case ADBMOUSE_TRACKBALLPRO: 472 data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5) 473 & ((data[3] & 0x08) << 4)); 474 data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7); 475 data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6); 476 break; 477 case ADBMOUSE_MS_A3: 478 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 479 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 480 data[3] = ((data[3] & 0x04) << 5); 481 break; 482 case ADBMOUSE_MACALLY2: 483 data[3] = (data[2] & 0x80) ? 0x80 : 0x00; 484 data[2] |= 0x80; /* Right button is mapped as button 3 */ 485 nb=4; 486 break; 487 } 488 489 input_report_key(adbhid[id]->input, BTN_LEFT, !((data[1] >> 7) & 1)); 490 input_report_key(adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1)); 491 492 if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD) 493 input_report_key(adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1)); 494 495 input_report_rel(adbhid[id]->input, REL_X, 496 ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 )); 497 input_report_rel(adbhid[id]->input, REL_Y, 498 ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 )); 499 500 input_sync(adbhid[id]->input); 501 } 502 503 static void 504 adbhid_buttons_input(unsigned char *data, int nb, int autopoll) 505 { 506 int id = (data[0] >> 4) & 0x0f; 507 508 if (!adbhid[id]) { 509 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); 510 return; 511 } 512 513 switch (adbhid[id]->original_handler_id) { 514 default: 515 case 0x02: /* Adjustable keyboard button device */ 516 { 517 int down = (data[1] == (data[1] & 0xf)); 518 519 switch (data[1] & 0x0f) { 520 case 0x0: /* microphone */ 521 input_report_key(adbhid[id]->input, KEY_SOUND, down); 522 break; 523 524 case 0x1: /* mute */ 525 input_report_key(adbhid[id]->input, KEY_MUTE, down); 526 break; 527 528 case 0x2: /* volume decrease */ 529 input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); 530 break; 531 532 case 0x3: /* volume increase */ 533 input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); 534 break; 535 536 default: 537 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 538 data[0], data[1], data[2], data[3]); 539 break; 540 } 541 } 542 break; 543 544 case 0x1f: /* Powerbook button device */ 545 { 546 int down = (data[1] == (data[1] & 0xf)); 547 548 /* 549 * XXX: Where is the contrast control for the passive? 550 * -- Cort 551 */ 552 553 switch (data[1] & 0x0f) { 554 case 0x8: /* mute */ 555 input_report_key(adbhid[id]->input, KEY_MUTE, down); 556 break; 557 558 case 0x7: /* volume decrease */ 559 input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); 560 break; 561 562 case 0x6: /* volume increase */ 563 input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); 564 break; 565 566 case 0xb: /* eject */ 567 input_report_key(adbhid[id]->input, KEY_EJECTCD, down); 568 break; 569 570 case 0xa: /* brightness decrease */ 571 #ifdef CONFIG_PMAC_BACKLIGHT 572 if (down) 573 pmac_backlight_key_down(); 574 #endif 575 input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down); 576 break; 577 578 case 0x9: /* brightness increase */ 579 #ifdef CONFIG_PMAC_BACKLIGHT 580 if (down) 581 pmac_backlight_key_up(); 582 #endif 583 input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down); 584 break; 585 586 case 0xc: /* videomode switch */ 587 input_report_key(adbhid[id]->input, KEY_SWITCHVIDEOMODE, down); 588 break; 589 590 case 0xd: /* keyboard illumination toggle */ 591 input_report_key(adbhid[id]->input, KEY_KBDILLUMTOGGLE, down); 592 break; 593 594 case 0xe: /* keyboard illumination decrease */ 595 input_report_key(adbhid[id]->input, KEY_KBDILLUMDOWN, down); 596 break; 597 598 case 0xf: 599 switch (data[1]) { 600 case 0x8f: 601 case 0x0f: 602 /* keyboard illumination increase */ 603 input_report_key(adbhid[id]->input, KEY_KBDILLUMUP, down); 604 break; 605 606 case 0x7f: 607 case 0xff: 608 /* keypad overlay toogle */ 609 break; 610 611 default: 612 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 613 data[0], data[1], data[2], data[3]); 614 break; 615 } 616 break; 617 default: 618 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 619 data[0], data[1], data[2], data[3]); 620 break; 621 } 622 } 623 break; 624 } 625 626 input_sync(adbhid[id]->input); 627 } 628 629 static struct adb_request led_request; 630 static int leds_pending[16]; 631 static int leds_req_pending; 632 static int pending_devs[16]; 633 static int pending_led_start; 634 static int pending_led_end; 635 static DEFINE_SPINLOCK(leds_lock); 636 637 static void leds_done(struct adb_request *req) 638 { 639 int leds = 0, device = 0, pending = 0; 640 unsigned long flags; 641 642 spin_lock_irqsave(&leds_lock, flags); 643 644 if (pending_led_start != pending_led_end) { 645 device = pending_devs[pending_led_start]; 646 leds = leds_pending[device] & 0xff; 647 leds_pending[device] = 0; 648 pending_led_start++; 649 pending_led_start = (pending_led_start < 16) ? pending_led_start : 0; 650 pending = leds_req_pending; 651 } else 652 leds_req_pending = 0; 653 spin_unlock_irqrestore(&leds_lock, flags); 654 if (pending) 655 adb_request(&led_request, leds_done, 0, 3, 656 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); 657 } 658 659 static void real_leds(unsigned char leds, int device) 660 { 661 unsigned long flags; 662 663 spin_lock_irqsave(&leds_lock, flags); 664 if (!leds_req_pending) { 665 leds_req_pending = 1; 666 spin_unlock_irqrestore(&leds_lock, flags); 667 adb_request(&led_request, leds_done, 0, 3, 668 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); 669 return; 670 } else { 671 if (!(leds_pending[device] & 0x100)) { 672 pending_devs[pending_led_end] = device; 673 pending_led_end++; 674 pending_led_end = (pending_led_end < 16) ? pending_led_end : 0; 675 } 676 leds_pending[device] = leds | 0x100; 677 } 678 spin_unlock_irqrestore(&leds_lock, flags); 679 } 680 681 /* 682 * Event callback from the input module. Events that change the state of 683 * the hardware are processed here. 684 */ 685 static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) 686 { 687 struct adbhid *adbhid = input_get_drvdata(dev); 688 unsigned char leds; 689 690 switch (type) { 691 case EV_LED: 692 leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) | 693 (test_bit(LED_NUML, dev->led) ? 1 : 0) | 694 (test_bit(LED_CAPSL, dev->led) ? 2 : 0); 695 real_leds(leds, adbhid->id); 696 return 0; 697 } 698 699 return -1; 700 } 701 702 static void 703 adbhid_kbd_capslock_remember(void) 704 { 705 struct adbhid *ahid; 706 int i; 707 708 for (i = 1; i < 16; i++) { 709 ahid = adbhid[i]; 710 711 if (ahid && ahid->id == ADB_KEYBOARD) 712 if (ahid->flags & FLAG_CAPSLOCK_TRANSLATE) 713 ahid->flags |= FLAG_CAPSLOCK_IGNORE_NEXT; 714 } 715 } 716 717 static int 718 adb_message_handler(struct notifier_block *this, unsigned long code, void *x) 719 { 720 switch (code) { 721 case ADB_MSG_PRE_RESET: 722 case ADB_MSG_POWERDOWN: 723 /* Stop the repeat timer. Autopoll is already off at this point */ 724 { 725 int i; 726 for (i = 1; i < 16; i++) { 727 if (adbhid[i]) 728 del_timer_sync(&adbhid[i]->input->timer); 729 } 730 } 731 732 /* Stop pending led requests */ 733 while (leds_req_pending) 734 adb_poll(); 735 736 /* After resume, and if the capslock LED is on, the PMU will 737 * send a "capslock down" key event. This confuses the 738 * restore_capslock_events logic. Remember if the capslock 739 * LED was on before suspend so the unwanted key event can 740 * be ignored after resume. */ 741 if (restore_capslock_events) 742 adbhid_kbd_capslock_remember(); 743 744 break; 745 746 case ADB_MSG_POST_RESET: 747 adbhid_probe(); 748 break; 749 } 750 return NOTIFY_DONE; 751 } 752 753 static int 754 adbhid_input_register(int id, int default_id, int original_handler_id, 755 int current_handler_id, int mouse_kind) 756 { 757 struct adbhid *hid; 758 struct input_dev *input_dev; 759 int err; 760 int i; 761 762 if (adbhid[id]) { 763 printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id); 764 return -EEXIST; 765 } 766 767 adbhid[id] = hid = kzalloc(sizeof(struct adbhid), GFP_KERNEL); 768 input_dev = input_allocate_device(); 769 if (!hid || !input_dev) { 770 err = -ENOMEM; 771 goto fail; 772 } 773 774 sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id); 775 776 hid->input = input_dev; 777 hid->id = default_id; 778 hid->original_handler_id = original_handler_id; 779 hid->current_handler_id = current_handler_id; 780 hid->mouse_kind = mouse_kind; 781 hid->flags = 0; 782 input_set_drvdata(input_dev, hid); 783 input_dev->name = hid->name; 784 input_dev->phys = hid->phys; 785 input_dev->id.bustype = BUS_ADB; 786 input_dev->id.vendor = 0x0001; 787 input_dev->id.product = (id << 12) | (default_id << 8) | original_handler_id; 788 input_dev->id.version = 0x0100; 789 790 switch (default_id) { 791 case ADB_KEYBOARD: 792 hid->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL); 793 if (!hid->keycode) { 794 err = -ENOMEM; 795 goto fail; 796 } 797 798 sprintf(hid->name, "ADB keyboard"); 799 800 memcpy(hid->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes)); 801 802 printk(KERN_INFO "Detected ADB keyboard, type "); 803 switch (original_handler_id) { 804 default: 805 printk("<unknown>.\n"); 806 input_dev->id.version = ADB_KEYBOARD_UNKNOWN; 807 break; 808 809 case 0x01: case 0x02: case 0x03: case 0x06: case 0x08: 810 case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C: 811 case 0xC0: case 0xC3: case 0xC6: 812 printk("ANSI.\n"); 813 input_dev->id.version = ADB_KEYBOARD_ANSI; 814 break; 815 816 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D: 817 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1: 818 case 0xC4: case 0xC7: 819 printk("ISO, swapping keys.\n"); 820 input_dev->id.version = ADB_KEYBOARD_ISO; 821 i = hid->keycode[10]; 822 hid->keycode[10] = hid->keycode[50]; 823 hid->keycode[50] = i; 824 break; 825 826 case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A: 827 case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9: 828 printk("JIS.\n"); 829 input_dev->id.version = ADB_KEYBOARD_JIS; 830 break; 831 } 832 833 for (i = 0; i < 128; i++) 834 if (hid->keycode[i]) 835 set_bit(hid->keycode[i], input_dev->keybit); 836 837 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) | 838 BIT_MASK(EV_REP); 839 input_dev->ledbit[0] = BIT_MASK(LED_SCROLLL) | 840 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_NUML); 841 input_dev->event = adbhid_kbd_event; 842 input_dev->keycodemax = KEY_FN; 843 input_dev->keycodesize = sizeof(hid->keycode[0]); 844 break; 845 846 case ADB_MOUSE: 847 sprintf(hid->name, "ADB mouse"); 848 849 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 850 input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | 851 BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 852 input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 853 break; 854 855 case ADB_MISC: 856 switch (original_handler_id) { 857 case 0x02: /* Adjustable keyboard button device */ 858 sprintf(hid->name, "ADB adjustable keyboard buttons"); 859 input_dev->evbit[0] = BIT_MASK(EV_KEY) | 860 BIT_MASK(EV_REP); 861 set_bit(KEY_SOUND, input_dev->keybit); 862 set_bit(KEY_MUTE, input_dev->keybit); 863 set_bit(KEY_VOLUMEUP, input_dev->keybit); 864 set_bit(KEY_VOLUMEDOWN, input_dev->keybit); 865 break; 866 case 0x1f: /* Powerbook button device */ 867 sprintf(hid->name, "ADB Powerbook buttons"); 868 input_dev->evbit[0] = BIT_MASK(EV_KEY) | 869 BIT_MASK(EV_REP); 870 set_bit(KEY_MUTE, input_dev->keybit); 871 set_bit(KEY_VOLUMEUP, input_dev->keybit); 872 set_bit(KEY_VOLUMEDOWN, input_dev->keybit); 873 set_bit(KEY_BRIGHTNESSUP, input_dev->keybit); 874 set_bit(KEY_BRIGHTNESSDOWN, input_dev->keybit); 875 set_bit(KEY_EJECTCD, input_dev->keybit); 876 set_bit(KEY_SWITCHVIDEOMODE, input_dev->keybit); 877 set_bit(KEY_KBDILLUMTOGGLE, input_dev->keybit); 878 set_bit(KEY_KBDILLUMDOWN, input_dev->keybit); 879 set_bit(KEY_KBDILLUMUP, input_dev->keybit); 880 break; 881 } 882 if (hid->name[0]) 883 break; 884 /* else fall through */ 885 886 default: 887 printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n"); 888 err = -ENODEV; 889 goto fail; 890 } 891 892 input_dev->keycode = hid->keycode; 893 894 err = input_register_device(input_dev); 895 if (err) 896 goto fail; 897 898 if (default_id == ADB_KEYBOARD) { 899 /* HACK WARNING!! This should go away as soon there is an utility 900 * to control that for event devices. 901 */ 902 input_dev->rep[REP_DELAY] = 500; /* input layer default: 250 */ 903 input_dev->rep[REP_PERIOD] = 66; /* input layer default: 33 */ 904 } 905 906 return 0; 907 908 fail: input_free_device(input_dev); 909 if (hid) { 910 kfree(hid->keycode); 911 kfree(hid); 912 } 913 adbhid[id] = NULL; 914 return err; 915 } 916 917 static void adbhid_input_unregister(int id) 918 { 919 input_unregister_device(adbhid[id]->input); 920 kfree(adbhid[id]->keycode); 921 kfree(adbhid[id]); 922 adbhid[id] = NULL; 923 } 924 925 926 static u16 927 adbhid_input_reregister(int id, int default_id, int org_handler_id, 928 int cur_handler_id, int mk) 929 { 930 if (adbhid[id]) { 931 if (adbhid[id]->input->id.product != 932 ((id << 12)|(default_id << 8)|org_handler_id)) { 933 adbhid_input_unregister(id); 934 adbhid_input_register(id, default_id, org_handler_id, 935 cur_handler_id, mk); 936 } 937 } else 938 adbhid_input_register(id, default_id, org_handler_id, 939 cur_handler_id, mk); 940 return 1<<id; 941 } 942 943 static void 944 adbhid_input_devcleanup(u16 exist) 945 { 946 int i; 947 for(i=1; i<16; i++) 948 if (adbhid[i] && !(exist&(1<<i))) 949 adbhid_input_unregister(i); 950 } 951 952 static void 953 adbhid_probe(void) 954 { 955 struct adb_request req; 956 int i, default_id, org_handler_id, cur_handler_id; 957 u16 reg = 0; 958 959 adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input); 960 adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input); 961 adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input); 962 963 for (i = 0; i < keyboard_ids.nids; i++) { 964 int id = keyboard_ids.id[i]; 965 966 adb_get_infos(id, &default_id, &org_handler_id); 967 968 /* turn off all leds */ 969 adb_request(&req, NULL, ADBREQ_SYNC, 3, 970 ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff); 971 972 /* Enable full feature set of the keyboard 973 ->get it to send separate codes for left and right shift, 974 control, option keys */ 975 #if 0 /* handler 5 doesn't send separate codes for R modifiers */ 976 if (adb_try_handler_change(id, 5)) 977 printk("ADB keyboard at %d, handler set to 5\n", id); 978 else 979 #endif 980 if (adb_try_handler_change(id, 3)) 981 printk("ADB keyboard at %d, handler set to 3\n", id); 982 else 983 printk("ADB keyboard at %d, handler 1\n", id); 984 985 adb_get_infos(id, &default_id, &cur_handler_id); 986 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 987 cur_handler_id, 0); 988 } 989 990 for (i = 0; i < buttons_ids.nids; i++) { 991 int id = buttons_ids.id[i]; 992 993 adb_get_infos(id, &default_id, &org_handler_id); 994 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 995 org_handler_id, 0); 996 } 997 998 /* Try to switch all mice to handler 4, or 2 for three-button 999 mode and full resolution. */ 1000 for (i = 0; i < mouse_ids.nids; i++) { 1001 int id = mouse_ids.id[i]; 1002 int mouse_kind; 1003 1004 adb_get_infos(id, &default_id, &org_handler_id); 1005 1006 if (adb_try_handler_change(id, 4)) { 1007 printk("ADB mouse at %d, handler set to 4", id); 1008 mouse_kind = ADBMOUSE_EXTENDED; 1009 } 1010 else if (adb_try_handler_change(id, 0x2F)) { 1011 printk("ADB mouse at %d, handler set to 0x2F", id); 1012 mouse_kind = ADBMOUSE_MICROSPEED; 1013 } 1014 else if (adb_try_handler_change(id, 0x42)) { 1015 printk("ADB mouse at %d, handler set to 0x42", id); 1016 mouse_kind = ADBMOUSE_TRACKBALLPRO; 1017 } 1018 else if (adb_try_handler_change(id, 0x66)) { 1019 printk("ADB mouse at %d, handler set to 0x66", id); 1020 mouse_kind = ADBMOUSE_MICROSPEED; 1021 } 1022 else if (adb_try_handler_change(id, 0x5F)) { 1023 printk("ADB mouse at %d, handler set to 0x5F", id); 1024 mouse_kind = ADBMOUSE_MICROSPEED; 1025 } 1026 else if (adb_try_handler_change(id, 3)) { 1027 printk("ADB mouse at %d, handler set to 3", id); 1028 mouse_kind = ADBMOUSE_MS_A3; 1029 } 1030 else if (adb_try_handler_change(id, 2)) { 1031 printk("ADB mouse at %d, handler set to 2", id); 1032 mouse_kind = ADBMOUSE_STANDARD_200; 1033 } 1034 else { 1035 printk("ADB mouse at %d, handler 1", id); 1036 mouse_kind = ADBMOUSE_STANDARD_100; 1037 } 1038 1039 if ((mouse_kind == ADBMOUSE_TRACKBALLPRO) 1040 || (mouse_kind == ADBMOUSE_MICROSPEED)) { 1041 init_microspeed(id); 1042 } else if (mouse_kind == ADBMOUSE_MS_A3) { 1043 init_ms_a3(id); 1044 } else if (mouse_kind == ADBMOUSE_EXTENDED) { 1045 /* 1046 * Register 1 is usually used for device 1047 * identification. Here, we try to identify 1048 * a known device and call the appropriate 1049 * init function. 1050 */ 1051 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 1052 ADB_READREG(id, 1)); 1053 1054 if ((req.reply_len) && 1055 (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21) 1056 || (req.reply[2] == 0x20))) { 1057 mouse_kind = ADBMOUSE_TRACKBALL; 1058 init_trackball(id); 1059 } 1060 else if ((req.reply_len >= 4) && 1061 (req.reply[1] == 0x74) && (req.reply[2] == 0x70) && 1062 (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) { 1063 mouse_kind = ADBMOUSE_TRACKPAD; 1064 init_trackpad(id); 1065 } 1066 else if ((req.reply_len >= 4) && 1067 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) && 1068 (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) { 1069 mouse_kind = ADBMOUSE_TURBOMOUSE5; 1070 init_turbomouse(id); 1071 } 1072 else if ((req.reply_len == 9) && 1073 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) && 1074 (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) { 1075 if (adb_try_handler_change(id, 0x42)) { 1076 printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id); 1077 mouse_kind = ADBMOUSE_MACALLY2; 1078 } 1079 } 1080 } 1081 printk("\n"); 1082 1083 adb_get_infos(id, &default_id, &cur_handler_id); 1084 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 1085 cur_handler_id, mouse_kind); 1086 } 1087 adbhid_input_devcleanup(reg); 1088 } 1089 1090 static void 1091 init_trackpad(int id) 1092 { 1093 struct adb_request req; 1094 unsigned char r1_buffer[8]; 1095 1096 printk(" (trackpad)"); 1097 1098 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 1099 ADB_READREG(id,1)); 1100 if (req.reply_len < 8) 1101 printk("bad length for reg. 1\n"); 1102 else 1103 { 1104 memcpy(r1_buffer, &req.reply[1], 8); 1105 1106 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1107 ADB_WRITEREG(id,1), 1108 r1_buffer[0], 1109 r1_buffer[1], 1110 r1_buffer[2], 1111 r1_buffer[3], 1112 r1_buffer[4], 1113 r1_buffer[5], 1114 0x0d, 1115 r1_buffer[7]); 1116 1117 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1118 ADB_WRITEREG(id,2), 1119 0x99, 1120 0x94, 1121 0x19, 1122 0xff, 1123 0xb2, 1124 0x8a, 1125 0x1b, 1126 0x50); 1127 1128 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1129 ADB_WRITEREG(id,1), 1130 r1_buffer[0], 1131 r1_buffer[1], 1132 r1_buffer[2], 1133 r1_buffer[3], 1134 r1_buffer[4], 1135 r1_buffer[5], 1136 0x03, /*r1_buffer[6],*/ 1137 r1_buffer[7]); 1138 1139 /* Without this flush, the trackpad may be locked up */ 1140 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1141 } 1142 } 1143 1144 static void 1145 init_trackball(int id) 1146 { 1147 struct adb_request req; 1148 1149 printk(" (trackman/mouseman)"); 1150 1151 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1152 ADB_WRITEREG(id,1), 00,0x81); 1153 1154 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1155 ADB_WRITEREG(id,1), 01,0x81); 1156 1157 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1158 ADB_WRITEREG(id,1), 02,0x81); 1159 1160 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1161 ADB_WRITEREG(id,1), 03,0x38); 1162 1163 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1164 ADB_WRITEREG(id,1), 00,0x81); 1165 1166 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1167 ADB_WRITEREG(id,1), 01,0x81); 1168 1169 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1170 ADB_WRITEREG(id,1), 02,0x81); 1171 1172 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1173 ADB_WRITEREG(id,1), 03,0x38); 1174 } 1175 1176 static void 1177 init_turbomouse(int id) 1178 { 1179 struct adb_request req; 1180 1181 printk(" (TurboMouse 5)"); 1182 1183 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1184 1185 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 1186 1187 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1188 ADB_WRITEREG(3,2), 1189 0xe7, 1190 0x8c, 1191 0, 1192 0, 1193 0, 1194 0xff, 1195 0xff, 1196 0x94); 1197 1198 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 1199 1200 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1201 ADB_WRITEREG(3,2), 1202 0xa5, 1203 0x14, 1204 0, 1205 0, 1206 0x69, 1207 0xff, 1208 0xff, 1209 0x27); 1210 } 1211 1212 static void 1213 init_microspeed(int id) 1214 { 1215 struct adb_request req; 1216 1217 printk(" (Microspeed/MacPoint or compatible)"); 1218 1219 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1220 1221 /* This will initialize mice using the Microspeed, MacPoint and 1222 other compatible firmware. Bit 12 enables extended protocol. 1223 1224 Register 1 Listen (4 Bytes) 1225 0 - 3 Button is mouse (set also for double clicking!!!) 1226 4 - 7 Button is locking (affects change speed also) 1227 8 - 11 Button changes speed 1228 12 1 = Extended mouse mode, 0 = normal mouse mode 1229 13 - 15 unused 0 1230 16 - 23 normal speed 1231 24 - 31 changed speed 1232 1233 Register 1 talk holds version and product identification information. 1234 Register 1 Talk (4 Bytes): 1235 0 - 7 Product code 1236 8 - 23 undefined, reserved 1237 24 - 31 Version number 1238 1239 Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max. 1240 */ 1241 adb_request(&req, NULL, ADBREQ_SYNC, 5, 1242 ADB_WRITEREG(id,1), 1243 0x20, /* alt speed = 0x20 (rather slow) */ 1244 0x00, /* norm speed = 0x00 (fastest) */ 1245 0x10, /* extended protocol, no speed change */ 1246 0x07); /* all buttons enabled as mouse buttons, no locking */ 1247 1248 1249 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1250 } 1251 1252 static void 1253 init_ms_a3(int id) 1254 { 1255 struct adb_request req; 1256 1257 printk(" (Mouse Systems A3 Mouse, or compatible)"); 1258 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1259 ADB_WRITEREG(id, 0x2), 1260 0x00, 1261 0x07); 1262 1263 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1264 } 1265 1266 static int __init adbhid_init(void) 1267 { 1268 #ifndef CONFIG_MAC 1269 if (!machine_is(chrp) && !machine_is(powermac)) 1270 return 0; 1271 #endif 1272 1273 led_request.complete = 1; 1274 1275 adbhid_probe(); 1276 1277 blocking_notifier_chain_register(&adb_client_list, 1278 &adbhid_adb_notifier); 1279 1280 return 0; 1281 } 1282 1283 static void __exit adbhid_exit(void) 1284 { 1285 } 1286 1287 module_init(adbhid_init); 1288 module_exit(adbhid_exit); 1289