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 54MODULE_AUTHOR("Franz Sirl <Franz.Sirl-kernel@lauterbach.com>"); 55 56static int restore_capslock_events; 57module_param(restore_capslock_events, int, 0644); 58MODULE_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 65static int adb_message_handler(struct notifier_block *, unsigned long, void *); 66static 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 79static 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 210struct 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 231static struct adbhid *adbhid[16]; 232 233static void adbhid_probe(void); 234 235static void adbhid_input_keycode(int, int, int); 236 237static void init_trackpad(int id); 238static void init_trackball(int id); 239static void init_turbomouse(int id); 240static void init_microspeed(int id); 241static void init_ms_a3(int id); 242 243static struct adb_ids keyboard_ids; 244static struct adb_ids mouse_ids; 245static 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 265static void 266adbhid_keyboard_input(unsigned char *data, int nb, int apoll) 267{ 268 int id = (data[0] >> 4) & 0x0f; 269 270 if (!adbhid[id]) { 271 pr_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 284static void 285adbhid_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 pr_info("Spurious caps lock event (scancode 0xff).\n"); 324 } 325 } 326 } 327 328 switch (keycode) { 329 case ADB_KEY_CAPSLOCK: 330 if (!restore_capslock_events) { 331 /* Generate down/up events for CapsLock every time. */ 332 input_report_key(ahid->input, KEY_CAPSLOCK, 1); 333 input_sync(ahid->input); 334 input_report_key(ahid->input, KEY_CAPSLOCK, 0); 335 input_sync(ahid->input); 336 return; 337 } 338 break; 339#ifdef CONFIG_PPC_PMAC 340 case ADB_KEY_POWER_OLD: /* Power key on PBook 3400 needs remapping */ 341 switch(pmac_call_feature(PMAC_FTR_GET_MB_INFO, 342 NULL, PMAC_MB_INFO_MODEL, 0)) { 343 case PMAC_TYPE_COMET: 344 case PMAC_TYPE_HOOPER: 345 case PMAC_TYPE_KANGA: 346 keycode = ADB_KEY_POWER; 347 } 348 break; 349 case ADB_KEY_POWER: 350 /* Keep track of the power key state */ 351 if (up_flag) 352 ahid->flags &= ~FLAG_POWER_KEY_PRESSED; 353 else 354 ahid->flags |= FLAG_POWER_KEY_PRESSED; 355 356 /* Fn + Command will produce a bogus "power" keycode */ 357 if (ahid->flags & FLAG_FN_KEY_PRESSED) { 358 keycode = ADB_KEY_CMD; 359 if (up_flag) 360 ahid->flags &= ~FLAG_POWER_FROM_FN; 361 else 362 ahid->flags |= FLAG_POWER_FROM_FN; 363 } else if (ahid->flags & FLAG_POWER_FROM_FN) { 364 keycode = ADB_KEY_CMD; 365 ahid->flags &= ~FLAG_POWER_FROM_FN; 366 } 367 break; 368 case ADB_KEY_FN: 369 /* Keep track of the Fn key state */ 370 if (up_flag) { 371 ahid->flags &= ~FLAG_FN_KEY_PRESSED; 372 /* Emulate Fn+delete = forward delete */ 373 if (ahid->flags & FLAG_EMU_FWDEL_DOWN) { 374 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; 375 keycode = ADB_KEY_FWDEL; 376 break; 377 } 378 } else 379 ahid->flags |= FLAG_FN_KEY_PRESSED; 380 break; 381 case ADB_KEY_DEL: 382 /* Emulate Fn+delete = forward delete */ 383 if (ahid->flags & FLAG_FN_KEY_PRESSED) { 384 keycode = ADB_KEY_FWDEL; 385 if (up_flag) 386 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; 387 else 388 ahid->flags |= FLAG_EMU_FWDEL_DOWN; 389 } 390 break; 391#endif /* CONFIG_PPC_PMAC */ 392 } 393 394 key = adbhid[id]->keycode[keycode]; 395 if (key) { 396 input_report_key(adbhid[id]->input, key, !up_flag); 397 input_sync(adbhid[id]->input); 398 } else 399 pr_info("Unhandled ADB key (scancode %#02x) %s.\n", keycode, 400 up_flag ? "released" : "pressed"); 401 402} 403 404static void 405adbhid_mouse_input(unsigned char *data, int nb, int autopoll) 406{ 407 int id = (data[0] >> 4) & 0x0f; 408 409 if (!adbhid[id]) { 410 pr_err("ADB HID on ID %d not yet registered\n", id); 411 return; 412 } 413 414 /* 415 Handler 1 -- 100cpi original Apple mouse protocol. 416 Handler 2 -- 200cpi original Apple mouse protocol. 417 418 For Apple's standard one-button mouse protocol the data array will 419 contain the following values: 420 421 BITS COMMENTS 422 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 423 data[1] = bxxx xxxx First button and x-axis motion. 424 data[2] = byyy yyyy Second button and y-axis motion. 425 426 Handler 4 -- Apple Extended mouse protocol. 427 428 For Apple's 3-button mouse protocol the data array will contain the 429 following values: 430 431 BITS COMMENTS 432 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 433 data[1] = bxxx xxxx Left button and x-axis motion. 434 data[2] = byyy yyyy Second button and y-axis motion. 435 data[3] = byyy bxxx Third button and fourth button. Y is additional 436 high bits of y-axis motion. XY is additional 437 high bits of x-axis motion. 438 439 MacAlly 2-button mouse protocol. 440 441 For MacAlly 2-button mouse protocol the data array will contain the 442 following values: 443 444 BITS COMMENTS 445 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 446 data[1] = bxxx xxxx Left button and x-axis motion. 447 data[2] = byyy yyyy Right button and y-axis motion. 448 data[3] = ???? ???? unknown 449 data[4] = ???? ???? unknown 450 451 */ 452 453 /* If it's a trackpad, we alias the second button to the first. 454 NOTE: Apple sends an ADB flush command to the trackpad when 455 the first (the real) button is released. We could do 456 this here using async flush requests. 457 */ 458 switch (adbhid[id]->mouse_kind) 459 { 460 case ADBMOUSE_TRACKPAD: 461 data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80); 462 data[2] = data[2] | 0x80; 463 break; 464 case ADBMOUSE_MICROSPEED: 465 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 466 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 467 data[3] = (data[3] & 0x77) | ((data[3] & 0x04) << 5) 468 | (data[3] & 0x08); 469 break; 470 case ADBMOUSE_TRACKBALLPRO: 471 data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5) 472 & ((data[3] & 0x08) << 4)); 473 data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7); 474 data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6); 475 break; 476 case ADBMOUSE_MS_A3: 477 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 478 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 479 data[3] = ((data[3] & 0x04) << 5); 480 break; 481 case ADBMOUSE_MACALLY2: 482 data[3] = (data[2] & 0x80) ? 0x80 : 0x00; 483 data[2] |= 0x80; /* Right button is mapped as button 3 */ 484 nb=4; 485 break; 486 } 487 488 input_report_key(adbhid[id]->input, BTN_LEFT, !((data[1] >> 7) & 1)); 489 input_report_key(adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1)); 490 491 if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD) 492 input_report_key(adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1)); 493 494 input_report_rel(adbhid[id]->input, REL_X, 495 ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 )); 496 input_report_rel(adbhid[id]->input, REL_Y, 497 ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 )); 498 499 input_sync(adbhid[id]->input); 500} 501 502static void 503adbhid_buttons_input(unsigned char *data, int nb, int autopoll) 504{ 505 int id = (data[0] >> 4) & 0x0f; 506 507 if (!adbhid[id]) { 508 pr_err("ADB HID on ID %d not yet registered\n", id); 509 return; 510 } 511 512 switch (adbhid[id]->original_handler_id) { 513 default: 514 case 0x02: /* Adjustable keyboard button device */ 515 { 516 int down = (data[1] == (data[1] & 0xf)); 517 518 switch (data[1] & 0x0f) { 519 case 0x0: /* microphone */ 520 input_report_key(adbhid[id]->input, KEY_SOUND, down); 521 break; 522 523 case 0x1: /* mute */ 524 input_report_key(adbhid[id]->input, KEY_MUTE, down); 525 break; 526 527 case 0x2: /* volume decrease */ 528 input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); 529 break; 530 531 case 0x3: /* volume increase */ 532 input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); 533 break; 534 535 default: 536 pr_info("Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 537 data[0], data[1], data[2], data[3]); 538 break; 539 } 540 } 541 break; 542 543 case 0x1f: /* Powerbook button device */ 544 { 545 int down = (data[1] == (data[1] & 0xf)); 546 547 /* 548 * XXX: Where is the contrast control for the passive? 549 * -- Cort 550 */ 551 552 switch (data[1] & 0x0f) { 553 case 0x8: /* mute */ 554 input_report_key(adbhid[id]->input, KEY_MUTE, down); 555 break; 556 557 case 0x7: /* volume decrease */ 558 input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); 559 break; 560 561 case 0x6: /* volume increase */ 562 input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); 563 break; 564 565 case 0xb: /* eject */ 566 input_report_key(adbhid[id]->input, KEY_EJECTCD, down); 567 break; 568 569 case 0xa: /* brightness decrease */ 570#ifdef CONFIG_PMAC_BACKLIGHT 571 if (down) 572 pmac_backlight_key_down(); 573#endif 574 input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down); 575 break; 576 577 case 0x9: /* brightness increase */ 578#ifdef CONFIG_PMAC_BACKLIGHT 579 if (down) 580 pmac_backlight_key_up(); 581#endif 582 input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down); 583 break; 584 585 case 0xc: /* videomode switch */ 586 input_report_key(adbhid[id]->input, KEY_SWITCHVIDEOMODE, down); 587 break; 588 589 case 0xd: /* keyboard illumination toggle */ 590 input_report_key(adbhid[id]->input, KEY_KBDILLUMTOGGLE, down); 591 break; 592 593 case 0xe: /* keyboard illumination decrease */ 594 input_report_key(adbhid[id]->input, KEY_KBDILLUMDOWN, down); 595 break; 596 597 case 0xf: 598 switch (data[1]) { 599 case 0x8f: 600 case 0x0f: 601 /* keyboard illumination increase */ 602 input_report_key(adbhid[id]->input, KEY_KBDILLUMUP, down); 603 break; 604 605 case 0x7f: 606 case 0xff: 607 /* keypad overlay toogle */ 608 break; 609 610 default: 611 pr_info("Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 612 data[0], data[1], data[2], data[3]); 613 break; 614 } 615 break; 616 default: 617 pr_info("Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 618 data[0], data[1], data[2], data[3]); 619 break; 620 } 621 } 622 break; 623 } 624 625 input_sync(adbhid[id]->input); 626} 627 628static struct adb_request led_request; 629static int leds_pending[16]; 630static int leds_req_pending; 631static int pending_devs[16]; 632static int pending_led_start; 633static int pending_led_end; 634static DEFINE_SPINLOCK(leds_lock); 635 636static void leds_done(struct adb_request *req) 637{ 638 int leds = 0, device = 0, pending = 0; 639 unsigned long flags; 640 641 spin_lock_irqsave(&leds_lock, flags); 642 643 if (pending_led_start != pending_led_end) { 644 device = pending_devs[pending_led_start]; 645 leds = leds_pending[device] & 0xff; 646 leds_pending[device] = 0; 647 pending_led_start++; 648 pending_led_start = (pending_led_start < 16) ? pending_led_start : 0; 649 pending = leds_req_pending; 650 } else 651 leds_req_pending = 0; 652 spin_unlock_irqrestore(&leds_lock, flags); 653 if (pending) 654 adb_request(&led_request, leds_done, 0, 3, 655 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); 656} 657 658static void real_leds(unsigned char leds, int device) 659{ 660 unsigned long flags; 661 662 spin_lock_irqsave(&leds_lock, flags); 663 if (!leds_req_pending) { 664 leds_req_pending = 1; 665 spin_unlock_irqrestore(&leds_lock, flags); 666 adb_request(&led_request, leds_done, 0, 3, 667 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); 668 return; 669 } else { 670 if (!(leds_pending[device] & 0x100)) { 671 pending_devs[pending_led_end] = device; 672 pending_led_end++; 673 pending_led_end = (pending_led_end < 16) ? pending_led_end : 0; 674 } 675 leds_pending[device] = leds | 0x100; 676 } 677 spin_unlock_irqrestore(&leds_lock, flags); 678} 679 680/* 681 * Event callback from the input module. Events that change the state of 682 * the hardware are processed here. 683 */ 684static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) 685{ 686 struct adbhid *adbhid = input_get_drvdata(dev); 687 unsigned char leds; 688 689 switch (type) { 690 case EV_LED: 691 leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) | 692 (test_bit(LED_NUML, dev->led) ? 1 : 0) | 693 (test_bit(LED_CAPSL, dev->led) ? 2 : 0); 694 real_leds(leds, adbhid->id); 695 return 0; 696 } 697 698 return -1; 699} 700 701static void 702adbhid_kbd_capslock_remember(void) 703{ 704 struct adbhid *ahid; 705 int i; 706 707 for (i = 1; i < 16; i++) { 708 ahid = adbhid[i]; 709 710 if (ahid && ahid->id == ADB_KEYBOARD) 711 if (ahid->flags & FLAG_CAPSLOCK_TRANSLATE) 712 ahid->flags |= FLAG_CAPSLOCK_IGNORE_NEXT; 713 } 714} 715 716static int 717adb_message_handler(struct notifier_block *this, unsigned long code, void *x) 718{ 719 switch (code) { 720 case ADB_MSG_PRE_RESET: 721 case ADB_MSG_POWERDOWN: 722 /* Stop the repeat timer. Autopoll is already off at this point */ 723 { 724 int i; 725 for (i = 1; i < 16; i++) { 726 if (adbhid[i]) 727 del_timer_sync(&adbhid[i]->input->timer); 728 } 729 } 730 731 /* Stop pending led requests */ 732 while (leds_req_pending) 733 adb_poll(); 734 735 /* After resume, and if the capslock LED is on, the PMU will 736 * send a "capslock down" key event. This confuses the 737 * restore_capslock_events logic. Remember if the capslock 738 * LED was on before suspend so the unwanted key event can 739 * be ignored after resume. */ 740 if (restore_capslock_events) 741 adbhid_kbd_capslock_remember(); 742 743 break; 744 745 case ADB_MSG_POST_RESET: 746 adbhid_probe(); 747 break; 748 } 749 return NOTIFY_DONE; 750} 751 752static int 753adbhid_input_register(int id, int default_id, int original_handler_id, 754 int current_handler_id, int mouse_kind) 755{ 756 struct adbhid *hid; 757 struct input_dev *input_dev; 758 int err; 759 int i; 760 char *keyboard_type; 761 762 if (adbhid[id]) { 763 pr_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 = kmemdup(adb_to_linux_keycodes, 793 sizeof(adb_to_linux_keycodes), GFP_KERNEL); 794 if (!hid->keycode) { 795 err = -ENOMEM; 796 goto fail; 797 } 798 799 sprintf(hid->name, "ADB keyboard"); 800 801 switch (original_handler_id) { 802 default: 803 keyboard_type = "<unknown>"; 804 input_dev->id.version = ADB_KEYBOARD_UNKNOWN; 805 break; 806 807 case 0x01: case 0x02: case 0x03: case 0x06: case 0x08: 808 case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C: 809 case 0xC0: case 0xC3: case 0xC6: 810 keyboard_type = "ANSI"; 811 input_dev->id.version = ADB_KEYBOARD_ANSI; 812 break; 813 814 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D: 815 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1: 816 case 0xC4: case 0xC7: 817 keyboard_type = "ISO, swapping keys"; 818 input_dev->id.version = ADB_KEYBOARD_ISO; 819 swap(hid->keycode[10], hid->keycode[50]); 820 break; 821 822 case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A: 823 case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9: 824 keyboard_type = "JIS"; 825 input_dev->id.version = ADB_KEYBOARD_JIS; 826 break; 827 } 828 pr_info("Detected ADB keyboard, type %s.\n", keyboard_type); 829 830 for (i = 0; i < 128; i++) 831 if (hid->keycode[i]) 832 set_bit(hid->keycode[i], input_dev->keybit); 833 834 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_LED) | 835 BIT_MASK(EV_REP); 836 input_dev->ledbit[0] = BIT_MASK(LED_SCROLLL) | 837 BIT_MASK(LED_CAPSL) | BIT_MASK(LED_NUML); 838 input_dev->event = adbhid_kbd_event; 839 input_dev->keycodemax = KEY_FN; 840 input_dev->keycodesize = sizeof(hid->keycode[0]); 841 break; 842 843 case ADB_MOUSE: 844 sprintf(hid->name, "ADB mouse"); 845 846 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); 847 input_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_LEFT) | 848 BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); 849 input_dev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y); 850 break; 851 852 case ADB_MISC: 853 switch (original_handler_id) { 854 case 0x02: /* Adjustable keyboard button device */ 855 sprintf(hid->name, "ADB adjustable keyboard buttons"); 856 input_dev->evbit[0] = BIT_MASK(EV_KEY) | 857 BIT_MASK(EV_REP); 858 set_bit(KEY_SOUND, input_dev->keybit); 859 set_bit(KEY_MUTE, input_dev->keybit); 860 set_bit(KEY_VOLUMEUP, input_dev->keybit); 861 set_bit(KEY_VOLUMEDOWN, input_dev->keybit); 862 break; 863 case 0x1f: /* Powerbook button device */ 864 sprintf(hid->name, "ADB Powerbook buttons"); 865 input_dev->evbit[0] = BIT_MASK(EV_KEY) | 866 BIT_MASK(EV_REP); 867 set_bit(KEY_MUTE, input_dev->keybit); 868 set_bit(KEY_VOLUMEUP, input_dev->keybit); 869 set_bit(KEY_VOLUMEDOWN, input_dev->keybit); 870 set_bit(KEY_BRIGHTNESSUP, input_dev->keybit); 871 set_bit(KEY_BRIGHTNESSDOWN, input_dev->keybit); 872 set_bit(KEY_EJECTCD, input_dev->keybit); 873 set_bit(KEY_SWITCHVIDEOMODE, input_dev->keybit); 874 set_bit(KEY_KBDILLUMTOGGLE, input_dev->keybit); 875 set_bit(KEY_KBDILLUMDOWN, input_dev->keybit); 876 set_bit(KEY_KBDILLUMUP, input_dev->keybit); 877 break; 878 } 879 if (hid->name[0]) 880 break; 881 fallthrough; 882 883 default: 884 pr_info("Trying to register unknown ADB device to input layer.\n"); 885 err = -ENODEV; 886 goto fail; 887 } 888 889 input_dev->keycode = hid->keycode; 890 891 err = input_register_device(input_dev); 892 if (err) 893 goto fail; 894 895 if (default_id == ADB_KEYBOARD) { 896 /* HACK WARNING!! This should go away as soon there is an utility 897 * to control that for event devices. 898 */ 899 input_dev->rep[REP_DELAY] = 500; /* input layer default: 250 */ 900 input_dev->rep[REP_PERIOD] = 66; /* input layer default: 33 */ 901 } 902 903 return 0; 904 905 fail: input_free_device(input_dev); 906 if (hid) { 907 kfree(hid->keycode); 908 kfree(hid); 909 } 910 adbhid[id] = NULL; 911 return err; 912} 913 914static void adbhid_input_unregister(int id) 915{ 916 input_unregister_device(adbhid[id]->input); 917 kfree(adbhid[id]->keycode); 918 kfree(adbhid[id]); 919 adbhid[id] = NULL; 920} 921 922 923static u16 924adbhid_input_reregister(int id, int default_id, int org_handler_id, 925 int cur_handler_id, int mk) 926{ 927 if (adbhid[id]) { 928 if (adbhid[id]->input->id.product != 929 ((id << 12)|(default_id << 8)|org_handler_id)) { 930 adbhid_input_unregister(id); 931 adbhid_input_register(id, default_id, org_handler_id, 932 cur_handler_id, mk); 933 } 934 } else 935 adbhid_input_register(id, default_id, org_handler_id, 936 cur_handler_id, mk); 937 return 1<<id; 938} 939 940static void 941adbhid_input_devcleanup(u16 exist) 942{ 943 int i; 944 for(i=1; i<16; i++) 945 if (adbhid[i] && !(exist&(1<<i))) 946 adbhid_input_unregister(i); 947} 948 949static void 950adbhid_probe(void) 951{ 952 struct adb_request req; 953 int i, default_id, org_handler_id, cur_handler_id; 954 u16 reg = 0; 955 956 adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input); 957 adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input); 958 adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input); 959 960 for (i = 0; i < keyboard_ids.nids; i++) { 961 int id = keyboard_ids.id[i]; 962 963 adb_get_infos(id, &default_id, &org_handler_id); 964 965 /* turn off all leds */ 966 adb_request(&req, NULL, ADBREQ_SYNC, 3, 967 ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff); 968 969 /* Enable full feature set of the keyboard 970 ->get it to send separate codes for left and right shift, 971 control, option keys */ 972#if 0 /* handler 5 doesn't send separate codes for R modifiers */ 973 if (!adb_try_handler_change(id, 5)) 974#endif 975 adb_try_handler_change(id, 3); 976 977 adb_get_infos(id, &default_id, &cur_handler_id); 978 printk(KERN_DEBUG "ADB keyboard at %d has handler 0x%X\n", 979 id, cur_handler_id); 980 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 981 cur_handler_id, 0); 982 } 983 984 for (i = 0; i < buttons_ids.nids; i++) { 985 int id = buttons_ids.id[i]; 986 987 adb_get_infos(id, &default_id, &org_handler_id); 988 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 989 org_handler_id, 0); 990 } 991 992 /* Try to switch all mice to handler 4, or 2 for three-button 993 mode and full resolution. */ 994 for (i = 0; i < mouse_ids.nids; i++) { 995 int id = mouse_ids.id[i]; 996 int mouse_kind; 997 char *desc = "standard"; 998 999 adb_get_infos(id, &default_id, &org_handler_id); 1000 1001 if (adb_try_handler_change(id, 4)) { 1002 mouse_kind = ADBMOUSE_EXTENDED; 1003 } 1004 else if (adb_try_handler_change(id, 0x2F)) { 1005 mouse_kind = ADBMOUSE_MICROSPEED; 1006 } 1007 else if (adb_try_handler_change(id, 0x42)) { 1008 mouse_kind = ADBMOUSE_TRACKBALLPRO; 1009 } 1010 else if (adb_try_handler_change(id, 0x66)) { 1011 mouse_kind = ADBMOUSE_MICROSPEED; 1012 } 1013 else if (adb_try_handler_change(id, 0x5F)) { 1014 mouse_kind = ADBMOUSE_MICROSPEED; 1015 } 1016 else if (adb_try_handler_change(id, 3)) { 1017 mouse_kind = ADBMOUSE_MS_A3; 1018 } 1019 else if (adb_try_handler_change(id, 2)) { 1020 mouse_kind = ADBMOUSE_STANDARD_200; 1021 } 1022 else { 1023 mouse_kind = ADBMOUSE_STANDARD_100; 1024 } 1025 1026 if ((mouse_kind == ADBMOUSE_TRACKBALLPRO) 1027 || (mouse_kind == ADBMOUSE_MICROSPEED)) { 1028 desc = "Microspeed/MacPoint or compatible"; 1029 init_microspeed(id); 1030 } else if (mouse_kind == ADBMOUSE_MS_A3) { 1031 desc = "Mouse Systems A3 Mouse or compatible"; 1032 init_ms_a3(id); 1033 } else if (mouse_kind == ADBMOUSE_EXTENDED) { 1034 desc = "extended"; 1035 /* 1036 * Register 1 is usually used for device 1037 * identification. Here, we try to identify 1038 * a known device and call the appropriate 1039 * init function. 1040 */ 1041 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 1042 ADB_READREG(id, 1)); 1043 1044 if ((req.reply_len) && 1045 (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21) 1046 || (req.reply[2] == 0x20))) { 1047 mouse_kind = ADBMOUSE_TRACKBALL; 1048 desc = "trackman/mouseman"; 1049 init_trackball(id); 1050 } 1051 else if ((req.reply_len >= 4) && 1052 (req.reply[1] == 0x74) && (req.reply[2] == 0x70) && 1053 (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) { 1054 mouse_kind = ADBMOUSE_TRACKPAD; 1055 desc = "trackpad"; 1056 init_trackpad(id); 1057 } 1058 else if ((req.reply_len >= 4) && 1059 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) && 1060 (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) { 1061 mouse_kind = ADBMOUSE_TURBOMOUSE5; 1062 desc = "TurboMouse 5"; 1063 init_turbomouse(id); 1064 } 1065 else if ((req.reply_len == 9) && 1066 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) && 1067 (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) { 1068 if (adb_try_handler_change(id, 0x42)) { 1069 mouse_kind = ADBMOUSE_MACALLY2; 1070 desc = "MacAlly 2-button"; 1071 } 1072 } 1073 } 1074 1075 adb_get_infos(id, &default_id, &cur_handler_id); 1076 printk(KERN_DEBUG "ADB mouse (%s) at %d has handler 0x%X\n", 1077 desc, id, cur_handler_id); 1078 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 1079 cur_handler_id, mouse_kind); 1080 } 1081 adbhid_input_devcleanup(reg); 1082} 1083 1084static void 1085init_trackpad(int id) 1086{ 1087 struct adb_request req; 1088 unsigned char r1_buffer[8]; 1089 1090 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 1091 ADB_READREG(id,1)); 1092 if (req.reply_len < 8) 1093 pr_err("%s: bad length for reg. 1\n", __func__); 1094 else 1095 { 1096 memcpy(r1_buffer, &req.reply[1], 8); 1097 1098 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1099 ADB_WRITEREG(id,1), 1100 r1_buffer[0], 1101 r1_buffer[1], 1102 r1_buffer[2], 1103 r1_buffer[3], 1104 r1_buffer[4], 1105 r1_buffer[5], 1106 0x0d, 1107 r1_buffer[7]); 1108 1109 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1110 ADB_WRITEREG(id,2), 1111 0x99, 1112 0x94, 1113 0x19, 1114 0xff, 1115 0xb2, 1116 0x8a, 1117 0x1b, 1118 0x50); 1119 1120 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1121 ADB_WRITEREG(id,1), 1122 r1_buffer[0], 1123 r1_buffer[1], 1124 r1_buffer[2], 1125 r1_buffer[3], 1126 r1_buffer[4], 1127 r1_buffer[5], 1128 0x03, /*r1_buffer[6],*/ 1129 r1_buffer[7]); 1130 1131 /* Without this flush, the trackpad may be locked up */ 1132 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1133 } 1134} 1135 1136static void 1137init_trackball(int id) 1138{ 1139 struct adb_request req; 1140 1141 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1142 ADB_WRITEREG(id,1), 00,0x81); 1143 1144 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1145 ADB_WRITEREG(id,1), 01,0x81); 1146 1147 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1148 ADB_WRITEREG(id,1), 02,0x81); 1149 1150 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1151 ADB_WRITEREG(id,1), 03,0x38); 1152 1153 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1154 ADB_WRITEREG(id,1), 00,0x81); 1155 1156 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1157 ADB_WRITEREG(id,1), 01,0x81); 1158 1159 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1160 ADB_WRITEREG(id,1), 02,0x81); 1161 1162 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1163 ADB_WRITEREG(id,1), 03,0x38); 1164} 1165 1166static void 1167init_turbomouse(int id) 1168{ 1169 struct adb_request req; 1170 1171 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1172 1173 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 1174 1175 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1176 ADB_WRITEREG(3,2), 1177 0xe7, 1178 0x8c, 1179 0, 1180 0, 1181 0, 1182 0xff, 1183 0xff, 1184 0x94); 1185 1186 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 1187 1188 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1189 ADB_WRITEREG(3,2), 1190 0xa5, 1191 0x14, 1192 0, 1193 0, 1194 0x69, 1195 0xff, 1196 0xff, 1197 0x27); 1198} 1199 1200static void 1201init_microspeed(int id) 1202{ 1203 struct adb_request req; 1204 1205 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1206 1207 /* This will initialize mice using the Microspeed, MacPoint and 1208 other compatible firmware. Bit 12 enables extended protocol. 1209 1210 Register 1 Listen (4 Bytes) 1211 0 - 3 Button is mouse (set also for double clicking!!!) 1212 4 - 7 Button is locking (affects change speed also) 1213 8 - 11 Button changes speed 1214 12 1 = Extended mouse mode, 0 = normal mouse mode 1215 13 - 15 unused 0 1216 16 - 23 normal speed 1217 24 - 31 changed speed 1218 1219 Register 1 talk holds version and product identification information. 1220 Register 1 Talk (4 Bytes): 1221 0 - 7 Product code 1222 8 - 23 undefined, reserved 1223 24 - 31 Version number 1224 1225 Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max. 1226 */ 1227 adb_request(&req, NULL, ADBREQ_SYNC, 5, 1228 ADB_WRITEREG(id,1), 1229 0x20, /* alt speed = 0x20 (rather slow) */ 1230 0x00, /* norm speed = 0x00 (fastest) */ 1231 0x10, /* extended protocol, no speed change */ 1232 0x07); /* all buttons enabled as mouse buttons, no locking */ 1233 1234 1235 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1236} 1237 1238static void 1239init_ms_a3(int id) 1240{ 1241 struct adb_request req; 1242 1243 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1244 ADB_WRITEREG(id, 0x2), 1245 0x00, 1246 0x07); 1247 1248 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1249} 1250 1251static int __init adbhid_init(void) 1252{ 1253#ifndef CONFIG_MAC 1254 if (!machine_is(chrp) && !machine_is(powermac)) 1255 return 0; 1256#endif 1257 1258 led_request.complete = 1; 1259 1260 adbhid_probe(); 1261 1262 blocking_notifier_chain_register(&adb_client_list, 1263 &adbhid_adb_notifier); 1264 1265 return 0; 1266} 1267 1268static void __exit adbhid_exit(void) 1269{ 1270} 1271 1272module_init(adbhid_init); 1273module_exit(adbhid_exit); 1274