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