1 /* 2 * drivers/input/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 #include <asm/backlight.h> 49 #ifdef CONFIG_PPC_PMAC 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 u8 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 */ 0, 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 unsigned char *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, struct pt_regs *); 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, struct pt_regs *regs, 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, regs); 270 if (!(data[2] == 0xff || (data[2] == 0x7f && data[1] == 0x7f))) 271 adbhid_input_keycode(id, data[2], 0, regs); 272 } 273 274 static void 275 adbhid_input_keycode(int id, int keycode, int repeat, struct pt_regs *regs) 276 { 277 struct adbhid *ahid = adbhid[id]; 278 int up_flag; 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_regs(ahid->input, regs); 286 input_report_key(ahid->input, KEY_CAPSLOCK, 1); 287 input_report_key(ahid->input, KEY_CAPSLOCK, 0); 288 input_sync(ahid->input); 289 return; 290 #ifdef CONFIG_PPC_PMAC 291 case ADB_KEY_POWER_OLD: /* Power key on PBook 3400 needs remapping */ 292 switch(pmac_call_feature(PMAC_FTR_GET_MB_INFO, 293 NULL, PMAC_MB_INFO_MODEL, 0)) { 294 case PMAC_TYPE_COMET: 295 case PMAC_TYPE_HOOPER: 296 case PMAC_TYPE_KANGA: 297 keycode = ADB_KEY_POWER; 298 } 299 break; 300 case ADB_KEY_POWER: 301 /* Fn + Command will produce a bogus "power" keycode */ 302 if (ahid->flags & FLAG_FN_KEY_PRESSED) { 303 keycode = ADB_KEY_CMD; 304 if (up_flag) 305 ahid->flags &= ~FLAG_POWER_FROM_FN; 306 else 307 ahid->flags |= FLAG_POWER_FROM_FN; 308 } else if (ahid->flags & FLAG_POWER_FROM_FN) { 309 keycode = ADB_KEY_CMD; 310 ahid->flags &= ~FLAG_POWER_FROM_FN; 311 } 312 break; 313 case ADB_KEY_FN: 314 /* Keep track of the Fn key state */ 315 if (up_flag) { 316 ahid->flags &= ~FLAG_FN_KEY_PRESSED; 317 /* Emulate Fn+delete = forward delete */ 318 if (ahid->flags & FLAG_EMU_FWDEL_DOWN) { 319 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; 320 keycode = ADB_KEY_FWDEL; 321 break; 322 } 323 } else 324 ahid->flags |= FLAG_FN_KEY_PRESSED; 325 /* Swallow the key press */ 326 return; 327 case ADB_KEY_DEL: 328 /* Emulate Fn+delete = forward delete */ 329 if (ahid->flags & FLAG_FN_KEY_PRESSED) { 330 keycode = ADB_KEY_FWDEL; 331 if (up_flag) 332 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; 333 else 334 ahid->flags |= FLAG_EMU_FWDEL_DOWN; 335 } 336 break; 337 #endif /* CONFIG_PPC_PMAC */ 338 } 339 340 if (adbhid[id]->keycode[keycode]) { 341 input_regs(adbhid[id]->input, regs); 342 input_report_key(adbhid[id]->input, 343 adbhid[id]->keycode[keycode], !up_flag); 344 input_sync(adbhid[id]->input); 345 } else 346 printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode, 347 up_flag ? "released" : "pressed"); 348 349 } 350 351 static void 352 adbhid_mouse_input(unsigned char *data, int nb, struct pt_regs *regs, int autopoll) 353 { 354 int id = (data[0] >> 4) & 0x0f; 355 356 if (!adbhid[id]) { 357 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); 358 return; 359 } 360 361 /* 362 Handler 1 -- 100cpi original Apple mouse protocol. 363 Handler 2 -- 200cpi original Apple mouse protocol. 364 365 For Apple's standard one-button mouse protocol the data array will 366 contain the following values: 367 368 BITS COMMENTS 369 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 370 data[1] = bxxx xxxx First button and x-axis motion. 371 data[2] = byyy yyyy Second button and y-axis motion. 372 373 Handler 4 -- Apple Extended mouse protocol. 374 375 For Apple's 3-button mouse protocol the data array will contain the 376 following values: 377 378 BITS COMMENTS 379 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 380 data[1] = bxxx xxxx Left button and x-axis motion. 381 data[2] = byyy yyyy Second button and y-axis motion. 382 data[3] = byyy bxxx Third button and fourth button. Y is additional 383 high bits of y-axis motion. XY is additional 384 high bits of x-axis motion. 385 386 MacAlly 2-button mouse protocol. 387 388 For MacAlly 2-button mouse protocol the data array will contain the 389 following values: 390 391 BITS COMMENTS 392 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 393 data[1] = bxxx xxxx Left button and x-axis motion. 394 data[2] = byyy yyyy Right button and y-axis motion. 395 data[3] = ???? ???? unknown 396 data[4] = ???? ???? unknown 397 398 */ 399 400 /* If it's a trackpad, we alias the second button to the first. 401 NOTE: Apple sends an ADB flush command to the trackpad when 402 the first (the real) button is released. We could do 403 this here using async flush requests. 404 */ 405 switch (adbhid[id]->mouse_kind) 406 { 407 case ADBMOUSE_TRACKPAD: 408 data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80); 409 data[2] = data[2] | 0x80; 410 break; 411 case ADBMOUSE_MICROSPEED: 412 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 413 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 414 data[3] = (data[3] & 0x77) | ((data[3] & 0x04) << 5) 415 | (data[3] & 0x08); 416 break; 417 case ADBMOUSE_TRACKBALLPRO: 418 data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5) 419 & ((data[3] & 0x08) << 4)); 420 data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7); 421 data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6); 422 break; 423 case ADBMOUSE_MS_A3: 424 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 425 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 426 data[3] = ((data[3] & 0x04) << 5); 427 break; 428 case ADBMOUSE_MACALLY2: 429 data[3] = (data[2] & 0x80) ? 0x80 : 0x00; 430 data[2] |= 0x80; /* Right button is mapped as button 3 */ 431 nb=4; 432 break; 433 } 434 435 input_regs(adbhid[id]->input, regs); 436 437 input_report_key(adbhid[id]->input, BTN_LEFT, !((data[1] >> 7) & 1)); 438 input_report_key(adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1)); 439 440 if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD) 441 input_report_key(adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1)); 442 443 input_report_rel(adbhid[id]->input, REL_X, 444 ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 )); 445 input_report_rel(adbhid[id]->input, REL_Y, 446 ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 )); 447 448 input_sync(adbhid[id]->input); 449 } 450 451 static void 452 adbhid_buttons_input(unsigned char *data, int nb, struct pt_regs *regs, int autopoll) 453 { 454 int id = (data[0] >> 4) & 0x0f; 455 456 if (!adbhid[id]) { 457 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); 458 return; 459 } 460 461 input_regs(adbhid[id]->input, regs); 462 463 switch (adbhid[id]->original_handler_id) { 464 default: 465 case 0x02: /* Adjustable keyboard button device */ 466 { 467 int down = (data[1] == (data[1] & 0xf)); 468 469 switch (data[1] & 0x0f) { 470 case 0x0: /* microphone */ 471 input_report_key(adbhid[id]->input, KEY_SOUND, down); 472 break; 473 474 case 0x1: /* mute */ 475 input_report_key(adbhid[id]->input, KEY_MUTE, down); 476 break; 477 478 case 0x2: /* volume decrease */ 479 input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); 480 break; 481 482 case 0x3: /* volume increase */ 483 input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); 484 break; 485 486 default: 487 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 488 data[0], data[1], data[2], data[3]); 489 break; 490 } 491 } 492 break; 493 494 case 0x1f: /* Powerbook button device */ 495 { 496 int down = (data[1] == (data[1] & 0xf)); 497 498 /* 499 * XXX: Where is the contrast control for the passive? 500 * -- Cort 501 */ 502 503 switch (data[1] & 0x0f) { 504 case 0x8: /* mute */ 505 input_report_key(adbhid[id]->input, KEY_MUTE, down); 506 break; 507 508 case 0x7: /* volume decrease */ 509 input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); 510 break; 511 512 case 0x6: /* volume increase */ 513 input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); 514 break; 515 516 case 0xb: /* eject */ 517 input_report_key(adbhid[id]->input, KEY_EJECTCD, down); 518 break; 519 520 case 0xa: /* brightness decrease */ 521 #ifdef CONFIG_PMAC_BACKLIGHT 522 if (down) 523 pmac_backlight_key_down(); 524 #endif 525 input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down); 526 break; 527 528 case 0x9: /* brightness increase */ 529 #ifdef CONFIG_PMAC_BACKLIGHT 530 if (down) 531 pmac_backlight_key_up(); 532 #endif 533 input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down); 534 break; 535 536 case 0xc: /* videomode switch */ 537 input_report_key(adbhid[id]->input, KEY_SWITCHVIDEOMODE, down); 538 break; 539 540 case 0xd: /* keyboard illumination toggle */ 541 input_report_key(adbhid[id]->input, KEY_KBDILLUMTOGGLE, down); 542 break; 543 544 case 0xe: /* keyboard illumination decrease */ 545 input_report_key(adbhid[id]->input, KEY_KBDILLUMDOWN, down); 546 break; 547 548 case 0xf: 549 switch (data[1]) { 550 case 0x8f: 551 case 0x0f: 552 /* keyboard illumination increase */ 553 input_report_key(adbhid[id]->input, KEY_KBDILLUMUP, down); 554 break; 555 556 case 0x7f: 557 case 0xff: 558 /* keypad overlay toogle */ 559 break; 560 561 default: 562 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 563 data[0], data[1], data[2], data[3]); 564 break; 565 } 566 break; 567 default: 568 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 569 data[0], data[1], data[2], data[3]); 570 break; 571 } 572 } 573 break; 574 } 575 576 input_sync(adbhid[id]->input); 577 } 578 579 static struct adb_request led_request; 580 static int leds_pending[16]; 581 static int leds_req_pending; 582 static int pending_devs[16]; 583 static int pending_led_start=0; 584 static int pending_led_end=0; 585 static DEFINE_SPINLOCK(leds_lock); 586 587 static void leds_done(struct adb_request *req) 588 { 589 int leds = 0, device = 0, pending = 0; 590 unsigned long flags; 591 592 spin_lock_irqsave(&leds_lock, flags); 593 594 if (pending_led_start != pending_led_end) { 595 device = pending_devs[pending_led_start]; 596 leds = leds_pending[device] & 0xff; 597 leds_pending[device] = 0; 598 pending_led_start++; 599 pending_led_start = (pending_led_start < 16) ? pending_led_start : 0; 600 pending = leds_req_pending; 601 } else 602 leds_req_pending = 0; 603 spin_unlock_irqrestore(&leds_lock, flags); 604 if (pending) 605 adb_request(&led_request, leds_done, 0, 3, 606 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); 607 } 608 609 static void real_leds(unsigned char leds, int device) 610 { 611 unsigned long flags; 612 613 spin_lock_irqsave(&leds_lock, flags); 614 if (!leds_req_pending) { 615 leds_req_pending = 1; 616 spin_unlock_irqrestore(&leds_lock, flags); 617 adb_request(&led_request, leds_done, 0, 3, 618 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); 619 return; 620 } else { 621 if (!(leds_pending[device] & 0x100)) { 622 pending_devs[pending_led_end] = device; 623 pending_led_end++; 624 pending_led_end = (pending_led_end < 16) ? pending_led_end : 0; 625 } 626 leds_pending[device] = leds | 0x100; 627 } 628 spin_unlock_irqrestore(&leds_lock, flags); 629 } 630 631 /* 632 * Event callback from the input module. Events that change the state of 633 * the hardware are processed here. 634 */ 635 static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) 636 { 637 struct adbhid *adbhid = dev->private; 638 unsigned char leds; 639 640 switch (type) { 641 case EV_LED: 642 leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) 643 | (test_bit(LED_NUML, dev->led) ? 1 : 0) 644 | (test_bit(LED_CAPSL, dev->led) ? 2 : 0); 645 real_leds(leds, adbhid->id); 646 return 0; 647 } 648 649 return -1; 650 } 651 652 static int 653 adb_message_handler(struct notifier_block *this, unsigned long code, void *x) 654 { 655 switch (code) { 656 case ADB_MSG_PRE_RESET: 657 case ADB_MSG_POWERDOWN: 658 /* Stop the repeat timer. Autopoll is already off at this point */ 659 { 660 int i; 661 for (i = 1; i < 16; i++) { 662 if (adbhid[i]) 663 del_timer_sync(&adbhid[i]->input->timer); 664 } 665 } 666 667 /* Stop pending led requests */ 668 while(leds_req_pending) 669 adb_poll(); 670 break; 671 672 case ADB_MSG_POST_RESET: 673 adbhid_probe(); 674 break; 675 } 676 return NOTIFY_DONE; 677 } 678 679 static int 680 adbhid_input_register(int id, int default_id, int original_handler_id, 681 int current_handler_id, int mouse_kind) 682 { 683 struct adbhid *hid; 684 struct input_dev *input_dev; 685 int err; 686 int i; 687 688 if (adbhid[id]) { 689 printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id); 690 return -EEXIST; 691 } 692 693 adbhid[id] = hid = kzalloc(sizeof(struct adbhid), GFP_KERNEL); 694 input_dev = input_allocate_device(); 695 if (!hid || !input_dev) { 696 err = -ENOMEM; 697 goto fail; 698 699 } 700 701 sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id); 702 703 hid->input = input_dev; 704 hid->id = default_id; 705 hid->original_handler_id = original_handler_id; 706 hid->current_handler_id = current_handler_id; 707 hid->mouse_kind = mouse_kind; 708 hid->flags = 0; 709 input_dev->private = hid; 710 input_dev->name = hid->name; 711 input_dev->phys = hid->phys; 712 input_dev->id.bustype = BUS_ADB; 713 input_dev->id.vendor = 0x0001; 714 input_dev->id.product = (id << 12) | (default_id << 8) | original_handler_id; 715 input_dev->id.version = 0x0100; 716 717 switch (default_id) { 718 case ADB_KEYBOARD: 719 hid->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL); 720 if (!hid->keycode) { 721 err = -ENOMEM; 722 goto fail; 723 } 724 725 sprintf(hid->name, "ADB keyboard"); 726 727 memcpy(hid->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes)); 728 729 printk(KERN_INFO "Detected ADB keyboard, type "); 730 switch (original_handler_id) { 731 default: 732 printk("<unknown>.\n"); 733 input_dev->id.version = ADB_KEYBOARD_UNKNOWN; 734 break; 735 736 case 0x01: case 0x02: case 0x03: case 0x06: case 0x08: 737 case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C: 738 case 0xC0: case 0xC3: case 0xC6: 739 printk("ANSI.\n"); 740 input_dev->id.version = ADB_KEYBOARD_ANSI; 741 break; 742 743 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D: 744 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1: 745 case 0xC4: case 0xC7: 746 printk("ISO, swapping keys.\n"); 747 input_dev->id.version = ADB_KEYBOARD_ISO; 748 i = hid->keycode[10]; 749 hid->keycode[10] = hid->keycode[50]; 750 hid->keycode[50] = i; 751 break; 752 753 case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A: 754 case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9: 755 printk("JIS.\n"); 756 input_dev->id.version = ADB_KEYBOARD_JIS; 757 break; 758 } 759 760 for (i = 0; i < 128; i++) 761 if (hid->keycode[i]) 762 set_bit(hid->keycode[i], input_dev->keybit); 763 764 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP); 765 input_dev->ledbit[0] = BIT(LED_SCROLLL) | BIT(LED_CAPSL) | BIT(LED_NUML); 766 input_dev->event = adbhid_kbd_event; 767 input_dev->keycodemax = 127; 768 input_dev->keycodesize = 1; 769 break; 770 771 case ADB_MOUSE: 772 sprintf(hid->name, "ADB mouse"); 773 774 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL); 775 input_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT); 776 input_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y); 777 break; 778 779 case ADB_MISC: 780 switch (original_handler_id) { 781 case 0x02: /* Adjustable keyboard button device */ 782 sprintf(hid->name, "ADB adjustable keyboard buttons"); 783 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); 784 set_bit(KEY_SOUND, input_dev->keybit); 785 set_bit(KEY_MUTE, input_dev->keybit); 786 set_bit(KEY_VOLUMEUP, input_dev->keybit); 787 set_bit(KEY_VOLUMEDOWN, input_dev->keybit); 788 break; 789 case 0x1f: /* Powerbook button device */ 790 sprintf(hid->name, "ADB Powerbook buttons"); 791 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); 792 set_bit(KEY_MUTE, input_dev->keybit); 793 set_bit(KEY_VOLUMEUP, input_dev->keybit); 794 set_bit(KEY_VOLUMEDOWN, input_dev->keybit); 795 set_bit(KEY_BRIGHTNESSUP, input_dev->keybit); 796 set_bit(KEY_BRIGHTNESSDOWN, input_dev->keybit); 797 set_bit(KEY_EJECTCD, input_dev->keybit); 798 set_bit(KEY_SWITCHVIDEOMODE, input_dev->keybit); 799 set_bit(KEY_KBDILLUMTOGGLE, input_dev->keybit); 800 set_bit(KEY_KBDILLUMDOWN, input_dev->keybit); 801 set_bit(KEY_KBDILLUMUP, input_dev->keybit); 802 break; 803 } 804 if (hid->name[0]) 805 break; 806 /* else fall through */ 807 808 default: 809 printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n"); 810 err = -ENODEV; 811 goto fail; 812 } 813 814 input_dev->keycode = hid->keycode; 815 816 input_register_device(input_dev); 817 818 if (default_id == ADB_KEYBOARD) { 819 /* HACK WARNING!! This should go away as soon there is an utility 820 * to control that for event devices. 821 */ 822 input_dev->rep[REP_DELAY] = 500; /* input layer default: 250 */ 823 input_dev->rep[REP_PERIOD] = 66; /* input layer default: 33 */ 824 } 825 826 return 0; 827 828 fail: input_free_device(input_dev); 829 kfree(hid); 830 adbhid[id] = NULL; 831 return err; 832 } 833 834 static void adbhid_input_unregister(int id) 835 { 836 input_unregister_device(adbhid[id]->input); 837 kfree(adbhid[id]->keycode); 838 kfree(adbhid[id]); 839 adbhid[id] = NULL; 840 } 841 842 843 static u16 844 adbhid_input_reregister(int id, int default_id, int org_handler_id, 845 int cur_handler_id, int mk) 846 { 847 if (adbhid[id]) { 848 if (adbhid[id]->input->id.product != 849 ((id << 12)|(default_id << 8)|org_handler_id)) { 850 adbhid_input_unregister(id); 851 adbhid_input_register(id, default_id, org_handler_id, 852 cur_handler_id, mk); 853 } 854 } else 855 adbhid_input_register(id, default_id, org_handler_id, 856 cur_handler_id, mk); 857 return 1<<id; 858 } 859 860 static void 861 adbhid_input_devcleanup(u16 exist) 862 { 863 int i; 864 for(i=1; i<16; i++) 865 if (adbhid[i] && !(exist&(1<<i))) 866 adbhid_input_unregister(i); 867 } 868 869 static void 870 adbhid_probe(void) 871 { 872 struct adb_request req; 873 int i, default_id, org_handler_id, cur_handler_id; 874 u16 reg = 0; 875 876 adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input); 877 adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input); 878 adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input); 879 880 for (i = 0; i < keyboard_ids.nids; i++) { 881 int id = keyboard_ids.id[i]; 882 883 adb_get_infos(id, &default_id, &org_handler_id); 884 885 /* turn off all leds */ 886 adb_request(&req, NULL, ADBREQ_SYNC, 3, 887 ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff); 888 889 /* Enable full feature set of the keyboard 890 ->get it to send separate codes for left and right shift, 891 control, option keys */ 892 #if 0 /* handler 5 doesn't send separate codes for R modifiers */ 893 if (adb_try_handler_change(id, 5)) 894 printk("ADB keyboard at %d, handler set to 5\n", id); 895 else 896 #endif 897 if (adb_try_handler_change(id, 3)) 898 printk("ADB keyboard at %d, handler set to 3\n", id); 899 else 900 printk("ADB keyboard at %d, handler 1\n", id); 901 902 adb_get_infos(id, &default_id, &cur_handler_id); 903 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 904 cur_handler_id, 0); 905 } 906 907 for (i = 0; i < buttons_ids.nids; i++) { 908 int id = buttons_ids.id[i]; 909 910 adb_get_infos(id, &default_id, &org_handler_id); 911 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 912 org_handler_id, 0); 913 } 914 915 /* Try to switch all mice to handler 4, or 2 for three-button 916 mode and full resolution. */ 917 for (i = 0; i < mouse_ids.nids; i++) { 918 int id = mouse_ids.id[i]; 919 int mouse_kind; 920 921 adb_get_infos(id, &default_id, &org_handler_id); 922 923 if (adb_try_handler_change(id, 4)) { 924 printk("ADB mouse at %d, handler set to 4", id); 925 mouse_kind = ADBMOUSE_EXTENDED; 926 } 927 else if (adb_try_handler_change(id, 0x2F)) { 928 printk("ADB mouse at %d, handler set to 0x2F", id); 929 mouse_kind = ADBMOUSE_MICROSPEED; 930 } 931 else if (adb_try_handler_change(id, 0x42)) { 932 printk("ADB mouse at %d, handler set to 0x42", id); 933 mouse_kind = ADBMOUSE_TRACKBALLPRO; 934 } 935 else if (adb_try_handler_change(id, 0x66)) { 936 printk("ADB mouse at %d, handler set to 0x66", id); 937 mouse_kind = ADBMOUSE_MICROSPEED; 938 } 939 else if (adb_try_handler_change(id, 0x5F)) { 940 printk("ADB mouse at %d, handler set to 0x5F", id); 941 mouse_kind = ADBMOUSE_MICROSPEED; 942 } 943 else if (adb_try_handler_change(id, 3)) { 944 printk("ADB mouse at %d, handler set to 3", id); 945 mouse_kind = ADBMOUSE_MS_A3; 946 } 947 else if (adb_try_handler_change(id, 2)) { 948 printk("ADB mouse at %d, handler set to 2", id); 949 mouse_kind = ADBMOUSE_STANDARD_200; 950 } 951 else { 952 printk("ADB mouse at %d, handler 1", id); 953 mouse_kind = ADBMOUSE_STANDARD_100; 954 } 955 956 if ((mouse_kind == ADBMOUSE_TRACKBALLPRO) 957 || (mouse_kind == ADBMOUSE_MICROSPEED)) { 958 init_microspeed(id); 959 } else if (mouse_kind == ADBMOUSE_MS_A3) { 960 init_ms_a3(id); 961 } else if (mouse_kind == ADBMOUSE_EXTENDED) { 962 /* 963 * Register 1 is usually used for device 964 * identification. Here, we try to identify 965 * a known device and call the appropriate 966 * init function. 967 */ 968 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 969 ADB_READREG(id, 1)); 970 971 if ((req.reply_len) && 972 (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21) 973 || (req.reply[2] == 0x20))) { 974 mouse_kind = ADBMOUSE_TRACKBALL; 975 init_trackball(id); 976 } 977 else if ((req.reply_len >= 4) && 978 (req.reply[1] == 0x74) && (req.reply[2] == 0x70) && 979 (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) { 980 mouse_kind = ADBMOUSE_TRACKPAD; 981 init_trackpad(id); 982 } 983 else if ((req.reply_len >= 4) && 984 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) && 985 (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) { 986 mouse_kind = ADBMOUSE_TURBOMOUSE5; 987 init_turbomouse(id); 988 } 989 else if ((req.reply_len == 9) && 990 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) && 991 (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) { 992 if (adb_try_handler_change(id, 0x42)) { 993 printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id); 994 mouse_kind = ADBMOUSE_MACALLY2; 995 } 996 } 997 } 998 printk("\n"); 999 1000 adb_get_infos(id, &default_id, &cur_handler_id); 1001 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 1002 cur_handler_id, mouse_kind); 1003 } 1004 adbhid_input_devcleanup(reg); 1005 } 1006 1007 static void 1008 init_trackpad(int id) 1009 { 1010 struct adb_request req; 1011 unsigned char r1_buffer[8]; 1012 1013 printk(" (trackpad)"); 1014 1015 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 1016 ADB_READREG(id,1)); 1017 if (req.reply_len < 8) 1018 printk("bad length for reg. 1\n"); 1019 else 1020 { 1021 memcpy(r1_buffer, &req.reply[1], 8); 1022 1023 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1024 ADB_WRITEREG(id,1), 1025 r1_buffer[0], 1026 r1_buffer[1], 1027 r1_buffer[2], 1028 r1_buffer[3], 1029 r1_buffer[4], 1030 r1_buffer[5], 1031 0x0d, 1032 r1_buffer[7]); 1033 1034 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1035 ADB_WRITEREG(id,2), 1036 0x99, 1037 0x94, 1038 0x19, 1039 0xff, 1040 0xb2, 1041 0x8a, 1042 0x1b, 1043 0x50); 1044 1045 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1046 ADB_WRITEREG(id,1), 1047 r1_buffer[0], 1048 r1_buffer[1], 1049 r1_buffer[2], 1050 r1_buffer[3], 1051 r1_buffer[4], 1052 r1_buffer[5], 1053 0x03, /*r1_buffer[6],*/ 1054 r1_buffer[7]); 1055 1056 /* Without this flush, the trackpad may be locked up */ 1057 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1058 } 1059 } 1060 1061 static void 1062 init_trackball(int id) 1063 { 1064 struct adb_request req; 1065 1066 printk(" (trackman/mouseman)"); 1067 1068 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1069 ADB_WRITEREG(id,1), 00,0x81); 1070 1071 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1072 ADB_WRITEREG(id,1), 01,0x81); 1073 1074 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1075 ADB_WRITEREG(id,1), 02,0x81); 1076 1077 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1078 ADB_WRITEREG(id,1), 03,0x38); 1079 1080 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1081 ADB_WRITEREG(id,1), 00,0x81); 1082 1083 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1084 ADB_WRITEREG(id,1), 01,0x81); 1085 1086 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1087 ADB_WRITEREG(id,1), 02,0x81); 1088 1089 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1090 ADB_WRITEREG(id,1), 03,0x38); 1091 } 1092 1093 static void 1094 init_turbomouse(int id) 1095 { 1096 struct adb_request req; 1097 1098 printk(" (TurboMouse 5)"); 1099 1100 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1101 1102 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 1103 1104 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1105 ADB_WRITEREG(3,2), 1106 0xe7, 1107 0x8c, 1108 0, 1109 0, 1110 0, 1111 0xff, 1112 0xff, 1113 0x94); 1114 1115 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 1116 1117 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1118 ADB_WRITEREG(3,2), 1119 0xa5, 1120 0x14, 1121 0, 1122 0, 1123 0x69, 1124 0xff, 1125 0xff, 1126 0x27); 1127 } 1128 1129 static void 1130 init_microspeed(int id) 1131 { 1132 struct adb_request req; 1133 1134 printk(" (Microspeed/MacPoint or compatible)"); 1135 1136 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1137 1138 /* This will initialize mice using the Microspeed, MacPoint and 1139 other compatible firmware. Bit 12 enables extended protocol. 1140 1141 Register 1 Listen (4 Bytes) 1142 0 - 3 Button is mouse (set also for double clicking!!!) 1143 4 - 7 Button is locking (affects change speed also) 1144 8 - 11 Button changes speed 1145 12 1 = Extended mouse mode, 0 = normal mouse mode 1146 13 - 15 unused 0 1147 16 - 23 normal speed 1148 24 - 31 changed speed 1149 1150 Register 1 talk holds version and product identification information. 1151 Register 1 Talk (4 Bytes): 1152 0 - 7 Product code 1153 8 - 23 undefined, reserved 1154 24 - 31 Version number 1155 1156 Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max. 1157 */ 1158 adb_request(&req, NULL, ADBREQ_SYNC, 5, 1159 ADB_WRITEREG(id,1), 1160 0x20, /* alt speed = 0x20 (rather slow) */ 1161 0x00, /* norm speed = 0x00 (fastest) */ 1162 0x10, /* extended protocol, no speed change */ 1163 0x07); /* all buttons enabled as mouse buttons, no locking */ 1164 1165 1166 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1167 } 1168 1169 static void 1170 init_ms_a3(int id) 1171 { 1172 struct adb_request req; 1173 1174 printk(" (Mouse Systems A3 Mouse, or compatible)"); 1175 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1176 ADB_WRITEREG(id, 0x2), 1177 0x00, 1178 0x07); 1179 1180 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1181 } 1182 1183 static int __init adbhid_init(void) 1184 { 1185 #ifndef CONFIG_MAC 1186 if (!machine_is(chrp) && !machine_is(powermac)) 1187 return 0; 1188 #endif 1189 1190 led_request.complete = 1; 1191 1192 adbhid_probe(); 1193 1194 blocking_notifier_chain_register(&adb_client_list, 1195 &adbhid_adb_notifier); 1196 1197 return 0; 1198 } 1199 1200 static void __exit adbhid_exit(void) 1201 { 1202 } 1203 1204 module_init(adbhid_init); 1205 module_exit(adbhid_exit); 1206