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/config.h> 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/pmac_feature.h> 51 #endif 52 53 #ifdef CONFIG_PMAC_BACKLIGHT 54 #include <asm/backlight.h> 55 #endif 56 57 MODULE_AUTHOR("Franz Sirl <Franz.Sirl-kernel@lauterbach.com>"); 58 59 #define KEYB_KEYREG 0 /* register # for key up/down data */ 60 #define KEYB_LEDREG 2 /* register # for leds on ADB keyboard */ 61 #define MOUSE_DATAREG 0 /* reg# for movement/button codes from mouse */ 62 63 static int adb_message_handler(struct notifier_block *, unsigned long, void *); 64 static struct notifier_block adbhid_adb_notifier = { 65 .notifier_call = adb_message_handler, 66 }; 67 68 /* Some special keys */ 69 #define ADB_KEY_DEL 0x33 70 #define ADB_KEY_CMD 0x37 71 #define ADB_KEY_CAPSLOCK 0x39 72 #define ADB_KEY_FN 0x3f 73 #define ADB_KEY_FWDEL 0x75 74 #define ADB_KEY_POWER_OLD 0x7e 75 #define ADB_KEY_POWER 0x7f 76 77 u8 adb_to_linux_keycodes[128] = { 78 /* 0x00 */ KEY_A, /* 30 */ 79 /* 0x01 */ KEY_S, /* 31 */ 80 /* 0x02 */ KEY_D, /* 32 */ 81 /* 0x03 */ KEY_F, /* 33 */ 82 /* 0x04 */ KEY_H, /* 35 */ 83 /* 0x05 */ KEY_G, /* 34 */ 84 /* 0x06 */ KEY_Z, /* 44 */ 85 /* 0x07 */ KEY_X, /* 45 */ 86 /* 0x08 */ KEY_C, /* 46 */ 87 /* 0x09 */ KEY_V, /* 47 */ 88 /* 0x0a */ KEY_102ND, /* 86 */ 89 /* 0x0b */ KEY_B, /* 48 */ 90 /* 0x0c */ KEY_Q, /* 16 */ 91 /* 0x0d */ KEY_W, /* 17 */ 92 /* 0x0e */ KEY_E, /* 18 */ 93 /* 0x0f */ KEY_R, /* 19 */ 94 /* 0x10 */ KEY_Y, /* 21 */ 95 /* 0x11 */ KEY_T, /* 20 */ 96 /* 0x12 */ KEY_1, /* 2 */ 97 /* 0x13 */ KEY_2, /* 3 */ 98 /* 0x14 */ KEY_3, /* 4 */ 99 /* 0x15 */ KEY_4, /* 5 */ 100 /* 0x16 */ KEY_6, /* 7 */ 101 /* 0x17 */ KEY_5, /* 6 */ 102 /* 0x18 */ KEY_EQUAL, /* 13 */ 103 /* 0x19 */ KEY_9, /* 10 */ 104 /* 0x1a */ KEY_7, /* 8 */ 105 /* 0x1b */ KEY_MINUS, /* 12 */ 106 /* 0x1c */ KEY_8, /* 9 */ 107 /* 0x1d */ KEY_0, /* 11 */ 108 /* 0x1e */ KEY_RIGHTBRACE, /* 27 */ 109 /* 0x1f */ KEY_O, /* 24 */ 110 /* 0x20 */ KEY_U, /* 22 */ 111 /* 0x21 */ KEY_LEFTBRACE, /* 26 */ 112 /* 0x22 */ KEY_I, /* 23 */ 113 /* 0x23 */ KEY_P, /* 25 */ 114 /* 0x24 */ KEY_ENTER, /* 28 */ 115 /* 0x25 */ KEY_L, /* 38 */ 116 /* 0x26 */ KEY_J, /* 36 */ 117 /* 0x27 */ KEY_APOSTROPHE, /* 40 */ 118 /* 0x28 */ KEY_K, /* 37 */ 119 /* 0x29 */ KEY_SEMICOLON, /* 39 */ 120 /* 0x2a */ KEY_BACKSLASH, /* 43 */ 121 /* 0x2b */ KEY_COMMA, /* 51 */ 122 /* 0x2c */ KEY_SLASH, /* 53 */ 123 /* 0x2d */ KEY_N, /* 49 */ 124 /* 0x2e */ KEY_M, /* 50 */ 125 /* 0x2f */ KEY_DOT, /* 52 */ 126 /* 0x30 */ KEY_TAB, /* 15 */ 127 /* 0x31 */ KEY_SPACE, /* 57 */ 128 /* 0x32 */ KEY_GRAVE, /* 41 */ 129 /* 0x33 */ KEY_BACKSPACE, /* 14 */ 130 /* 0x34 */ KEY_KPENTER, /* 96 */ 131 /* 0x35 */ KEY_ESC, /* 1 */ 132 /* 0x36 */ KEY_LEFTCTRL, /* 29 */ 133 /* 0x37 */ KEY_LEFTMETA, /* 125 */ 134 /* 0x38 */ KEY_LEFTSHIFT, /* 42 */ 135 /* 0x39 */ KEY_CAPSLOCK, /* 58 */ 136 /* 0x3a */ KEY_LEFTALT, /* 56 */ 137 /* 0x3b */ KEY_LEFT, /* 105 */ 138 /* 0x3c */ KEY_RIGHT, /* 106 */ 139 /* 0x3d */ KEY_DOWN, /* 108 */ 140 /* 0x3e */ KEY_UP, /* 103 */ 141 /* 0x3f */ 0, 142 /* 0x40 */ 0, 143 /* 0x41 */ KEY_KPDOT, /* 83 */ 144 /* 0x42 */ 0, 145 /* 0x43 */ KEY_KPASTERISK, /* 55 */ 146 /* 0x44 */ 0, 147 /* 0x45 */ KEY_KPPLUS, /* 78 */ 148 /* 0x46 */ 0, 149 /* 0x47 */ KEY_NUMLOCK, /* 69 */ 150 /* 0x48 */ 0, 151 /* 0x49 */ 0, 152 /* 0x4a */ 0, 153 /* 0x4b */ KEY_KPSLASH, /* 98 */ 154 /* 0x4c */ KEY_KPENTER, /* 96 */ 155 /* 0x4d */ 0, 156 /* 0x4e */ KEY_KPMINUS, /* 74 */ 157 /* 0x4f */ 0, 158 /* 0x50 */ 0, 159 /* 0x51 */ KEY_KPEQUAL, /* 117 */ 160 /* 0x52 */ KEY_KP0, /* 82 */ 161 /* 0x53 */ KEY_KP1, /* 79 */ 162 /* 0x54 */ KEY_KP2, /* 80 */ 163 /* 0x55 */ KEY_KP3, /* 81 */ 164 /* 0x56 */ KEY_KP4, /* 75 */ 165 /* 0x57 */ KEY_KP5, /* 76 */ 166 /* 0x58 */ KEY_KP6, /* 77 */ 167 /* 0x59 */ KEY_KP7, /* 71 */ 168 /* 0x5a */ 0, 169 /* 0x5b */ KEY_KP8, /* 72 */ 170 /* 0x5c */ KEY_KP9, /* 73 */ 171 /* 0x5d */ KEY_YEN, /* 124 */ 172 /* 0x5e */ KEY_RO, /* 89 */ 173 /* 0x5f */ KEY_KPCOMMA, /* 121 */ 174 /* 0x60 */ KEY_F5, /* 63 */ 175 /* 0x61 */ KEY_F6, /* 64 */ 176 /* 0x62 */ KEY_F7, /* 65 */ 177 /* 0x63 */ KEY_F3, /* 61 */ 178 /* 0x64 */ KEY_F8, /* 66 */ 179 /* 0x65 */ KEY_F9, /* 67 */ 180 /* 0x66 */ KEY_HANJA, /* 123 */ 181 /* 0x67 */ KEY_F11, /* 87 */ 182 /* 0x68 */ KEY_HANGUEL, /* 122 */ 183 /* 0x69 */ KEY_SYSRQ, /* 99 */ 184 /* 0x6a */ 0, 185 /* 0x6b */ KEY_SCROLLLOCK, /* 70 */ 186 /* 0x6c */ 0, 187 /* 0x6d */ KEY_F10, /* 68 */ 188 /* 0x6e */ KEY_COMPOSE, /* 127 */ 189 /* 0x6f */ KEY_F12, /* 88 */ 190 /* 0x70 */ 0, 191 /* 0x71 */ KEY_PAUSE, /* 119 */ 192 /* 0x72 */ KEY_INSERT, /* 110 */ 193 /* 0x73 */ KEY_HOME, /* 102 */ 194 /* 0x74 */ KEY_PAGEUP, /* 104 */ 195 /* 0x75 */ KEY_DELETE, /* 111 */ 196 /* 0x76 */ KEY_F4, /* 62 */ 197 /* 0x77 */ KEY_END, /* 107 */ 198 /* 0x78 */ KEY_F2, /* 60 */ 199 /* 0x79 */ KEY_PAGEDOWN, /* 109 */ 200 /* 0x7a */ KEY_F1, /* 59 */ 201 /* 0x7b */ KEY_RIGHTSHIFT, /* 54 */ 202 /* 0x7c */ KEY_RIGHTALT, /* 100 */ 203 /* 0x7d */ KEY_RIGHTCTRL, /* 97 */ 204 /* 0x7e */ KEY_RIGHTMETA, /* 126 */ 205 /* 0x7f */ KEY_POWER, /* 116 */ 206 }; 207 208 struct adbhid { 209 struct input_dev input; 210 int id; 211 int default_id; 212 int original_handler_id; 213 int current_handler_id; 214 int mouse_kind; 215 unsigned char *keycode; 216 char name[64]; 217 char phys[32]; 218 int flags; 219 }; 220 221 #define FLAG_FN_KEY_PRESSED 0x00000001 222 #define FLAG_POWER_FROM_FN 0x00000002 223 #define FLAG_EMU_FWDEL_DOWN 0x00000004 224 225 static struct adbhid *adbhid[16]; 226 227 static void adbhid_probe(void); 228 229 static void adbhid_input_keycode(int, int, int, struct pt_regs *); 230 231 static void init_trackpad(int id); 232 static void init_trackball(int id); 233 static void init_turbomouse(int id); 234 static void init_microspeed(int id); 235 static void init_ms_a3(int id); 236 237 static struct adb_ids keyboard_ids; 238 static struct adb_ids mouse_ids; 239 static struct adb_ids buttons_ids; 240 241 #ifdef CONFIG_PMAC_BACKLIGHT 242 /* Exported to via-pmu.c */ 243 int disable_kernel_backlight = 0; 244 #endif /* CONFIG_PMAC_BACKLIGHT */ 245 246 /* Kind of keyboard, see Apple technote 1152 */ 247 #define ADB_KEYBOARD_UNKNOWN 0 248 #define ADB_KEYBOARD_ANSI 0x0100 249 #define ADB_KEYBOARD_ISO 0x0200 250 #define ADB_KEYBOARD_JIS 0x0300 251 252 /* Kind of mouse */ 253 #define ADBMOUSE_STANDARD_100 0 /* Standard 100cpi mouse (handler 1) */ 254 #define ADBMOUSE_STANDARD_200 1 /* Standard 200cpi mouse (handler 2) */ 255 #define ADBMOUSE_EXTENDED 2 /* Apple Extended mouse (handler 4) */ 256 #define ADBMOUSE_TRACKBALL 3 /* TrackBall (handler 4) */ 257 #define ADBMOUSE_TRACKPAD 4 /* Apple's PowerBook trackpad (handler 4) */ 258 #define ADBMOUSE_TURBOMOUSE5 5 /* Turbomouse 5 (previously req. mousehack) */ 259 #define ADBMOUSE_MICROSPEED 6 /* Microspeed mouse (&trackball ?), MacPoint */ 260 #define ADBMOUSE_TRACKBALLPRO 7 /* Trackball Pro (special buttons) */ 261 #define ADBMOUSE_MS_A3 8 /* Mouse systems A3 trackball (handler 3) */ 262 #define ADBMOUSE_MACALLY2 9 /* MacAlly 2-button mouse */ 263 264 static void 265 adbhid_keyboard_input(unsigned char *data, int nb, struct pt_regs *regs, int apoll) 266 { 267 int id = (data[0] >> 4) & 0x0f; 268 269 if (!adbhid[id]) { 270 printk(KERN_ERR "ADB HID on ID %d not yet registered, packet %#02x, %#02x, %#02x, %#02x\n", 271 id, data[0], data[1], data[2], data[3]); 272 return; 273 } 274 275 /* first check this is from register 0 */ 276 if (nb != 3 || (data[0] & 3) != KEYB_KEYREG) 277 return; /* ignore it */ 278 adbhid_input_keycode(id, data[1], 0, regs); 279 if (!(data[2] == 0xff || (data[2] == 0x7f && data[1] == 0x7f))) 280 adbhid_input_keycode(id, data[2], 0, regs); 281 } 282 283 static void 284 adbhid_input_keycode(int id, int keycode, int repeat, struct pt_regs *regs) 285 { 286 struct adbhid *ahid = adbhid[id]; 287 int up_flag; 288 289 up_flag = (keycode & 0x80); 290 keycode &= 0x7f; 291 292 switch (keycode) { 293 case ADB_KEY_CAPSLOCK: /* Generate down/up events for CapsLock everytime. */ 294 input_regs(&ahid->input, regs); 295 input_report_key(&ahid->input, KEY_CAPSLOCK, 1); 296 input_report_key(&ahid->input, KEY_CAPSLOCK, 0); 297 input_sync(&ahid->input); 298 return; 299 #ifdef CONFIG_PPC_PMAC 300 case ADB_KEY_POWER_OLD: /* Power key on PBook 3400 needs remapping */ 301 switch(pmac_call_feature(PMAC_FTR_GET_MB_INFO, 302 NULL, PMAC_MB_INFO_MODEL, 0)) { 303 case PMAC_TYPE_COMET: 304 case PMAC_TYPE_HOOPER: 305 case PMAC_TYPE_KANGA: 306 keycode = ADB_KEY_POWER; 307 } 308 break; 309 case ADB_KEY_POWER: 310 /* Fn + Command will produce a bogus "power" keycode */ 311 if (ahid->flags & FLAG_FN_KEY_PRESSED) { 312 keycode = ADB_KEY_CMD; 313 if (up_flag) 314 ahid->flags &= ~FLAG_POWER_FROM_FN; 315 else 316 ahid->flags |= FLAG_POWER_FROM_FN; 317 } else if (ahid->flags & FLAG_POWER_FROM_FN) { 318 keycode = ADB_KEY_CMD; 319 ahid->flags &= ~FLAG_POWER_FROM_FN; 320 } 321 break; 322 case ADB_KEY_FN: 323 /* Keep track of the Fn key state */ 324 if (up_flag) { 325 ahid->flags &= ~FLAG_FN_KEY_PRESSED; 326 /* Emulate Fn+delete = forward delete */ 327 if (ahid->flags & FLAG_EMU_FWDEL_DOWN) { 328 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; 329 keycode = ADB_KEY_FWDEL; 330 break; 331 } 332 } else 333 ahid->flags |= FLAG_FN_KEY_PRESSED; 334 /* Swallow the key press */ 335 return; 336 case ADB_KEY_DEL: 337 /* Emulate Fn+delete = forward delete */ 338 if (ahid->flags & FLAG_FN_KEY_PRESSED) { 339 keycode = ADB_KEY_FWDEL; 340 if (up_flag) 341 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; 342 else 343 ahid->flags |= FLAG_EMU_FWDEL_DOWN; 344 } 345 break; 346 #endif /* CONFIG_PPC_PMAC */ 347 } 348 349 if (adbhid[id]->keycode[keycode]) { 350 input_regs(&adbhid[id]->input, regs); 351 input_report_key(&adbhid[id]->input, 352 adbhid[id]->keycode[keycode], !up_flag); 353 input_sync(&adbhid[id]->input); 354 } else 355 printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode, 356 up_flag ? "released" : "pressed"); 357 358 } 359 360 static void 361 adbhid_mouse_input(unsigned char *data, int nb, struct pt_regs *regs, int autopoll) 362 { 363 int id = (data[0] >> 4) & 0x0f; 364 365 if (!adbhid[id]) { 366 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); 367 return; 368 } 369 370 /* 371 Handler 1 -- 100cpi original Apple mouse protocol. 372 Handler 2 -- 200cpi original Apple mouse protocol. 373 374 For Apple's standard one-button mouse protocol the data array will 375 contain the following values: 376 377 BITS COMMENTS 378 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 379 data[1] = bxxx xxxx First button and x-axis motion. 380 data[2] = byyy yyyy Second button and y-axis motion. 381 382 Handler 4 -- Apple Extended mouse protocol. 383 384 For Apple's 3-button mouse protocol the data array will contain the 385 following values: 386 387 BITS COMMENTS 388 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 389 data[1] = bxxx xxxx Left button and x-axis motion. 390 data[2] = byyy yyyy Second button and y-axis motion. 391 data[3] = byyy bxxx Third button and fourth button. Y is additional 392 high bits of y-axis motion. XY is additional 393 high bits of x-axis motion. 394 395 MacAlly 2-button mouse protocol. 396 397 For MacAlly 2-button mouse protocol the data array will contain the 398 following values: 399 400 BITS COMMENTS 401 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 402 data[1] = bxxx xxxx Left button and x-axis motion. 403 data[2] = byyy yyyy Right button and y-axis motion. 404 data[3] = ???? ???? unknown 405 data[4] = ???? ???? unknown 406 407 */ 408 409 /* If it's a trackpad, we alias the second button to the first. 410 NOTE: Apple sends an ADB flush command to the trackpad when 411 the first (the real) button is released. We could do 412 this here using async flush requests. 413 */ 414 switch (adbhid[id]->mouse_kind) 415 { 416 case ADBMOUSE_TRACKPAD: 417 data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80); 418 data[2] = data[2] | 0x80; 419 break; 420 case ADBMOUSE_MICROSPEED: 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] & 0x77) | ((data[3] & 0x04) << 5) 424 | (data[3] & 0x08); 425 break; 426 case ADBMOUSE_TRACKBALLPRO: 427 data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5) 428 & ((data[3] & 0x08) << 4)); 429 data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7); 430 data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6); 431 break; 432 case ADBMOUSE_MS_A3: 433 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 434 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 435 data[3] = ((data[3] & 0x04) << 5); 436 break; 437 case ADBMOUSE_MACALLY2: 438 data[3] = (data[2] & 0x80) ? 0x80 : 0x00; 439 data[2] |= 0x80; /* Right button is mapped as button 3 */ 440 nb=4; 441 break; 442 } 443 444 input_regs(&adbhid[id]->input, regs); 445 446 input_report_key(&adbhid[id]->input, BTN_LEFT, !((data[1] >> 7) & 1)); 447 input_report_key(&adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1)); 448 449 if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD) 450 input_report_key(&adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1)); 451 452 input_report_rel(&adbhid[id]->input, REL_X, 453 ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 )); 454 input_report_rel(&adbhid[id]->input, REL_Y, 455 ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 )); 456 457 input_sync(&adbhid[id]->input); 458 } 459 460 static void 461 adbhid_buttons_input(unsigned char *data, int nb, struct pt_regs *regs, int autopoll) 462 { 463 int id = (data[0] >> 4) & 0x0f; 464 465 if (!adbhid[id]) { 466 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); 467 return; 468 } 469 470 input_regs(&adbhid[id]->input, regs); 471 472 switch (adbhid[id]->original_handler_id) { 473 default: 474 case 0x02: /* Adjustable keyboard button device */ 475 { 476 int down = (data[1] == (data[1] & 0xf)); 477 478 switch (data[1] & 0x0f) { 479 case 0x0: /* microphone */ 480 input_report_key(&adbhid[id]->input, KEY_SOUND, down); 481 break; 482 483 case 0x1: /* mute */ 484 input_report_key(&adbhid[id]->input, KEY_MUTE, down); 485 break; 486 487 case 0x2: /* volume decrease */ 488 input_report_key(&adbhid[id]->input, KEY_VOLUMEDOWN, down); 489 break; 490 491 case 0x3: /* volume increase */ 492 input_report_key(&adbhid[id]->input, KEY_VOLUMEUP, down); 493 break; 494 495 default: 496 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 497 data[0], data[1], data[2], data[3]); 498 break; 499 } 500 } 501 break; 502 503 case 0x1f: /* Powerbook button device */ 504 { 505 int down = (data[1] == (data[1] & 0xf)); 506 #ifdef CONFIG_PMAC_BACKLIGHT 507 int backlight = get_backlight_level(); 508 #endif 509 /* 510 * XXX: Where is the contrast control for the passive? 511 * -- Cort 512 */ 513 514 switch (data[1] & 0x0f) { 515 case 0x8: /* mute */ 516 input_report_key(&adbhid[id]->input, KEY_MUTE, down); 517 break; 518 519 case 0x7: /* volume decrease */ 520 input_report_key(&adbhid[id]->input, KEY_VOLUMEDOWN, down); 521 break; 522 523 case 0x6: /* volume increase */ 524 input_report_key(&adbhid[id]->input, KEY_VOLUMEUP, down); 525 break; 526 527 case 0xb: /* eject */ 528 input_report_key(&adbhid[id]->input, KEY_EJECTCD, down); 529 break; 530 531 case 0xa: /* brightness decrease */ 532 #ifdef CONFIG_PMAC_BACKLIGHT 533 if (!disable_kernel_backlight) { 534 if (down && backlight >= 0) { 535 if (backlight > BACKLIGHT_OFF) 536 set_backlight_level(backlight-1); 537 else 538 set_backlight_level(BACKLIGHT_OFF); 539 } 540 } 541 #endif /* CONFIG_PMAC_BACKLIGHT */ 542 input_report_key(&adbhid[id]->input, KEY_BRIGHTNESSDOWN, down); 543 break; 544 545 case 0x9: /* brightness increase */ 546 #ifdef CONFIG_PMAC_BACKLIGHT 547 if (!disable_kernel_backlight) { 548 if (down && backlight >= 0) { 549 if (backlight < BACKLIGHT_MAX) 550 set_backlight_level(backlight+1); 551 else 552 set_backlight_level(BACKLIGHT_MAX); 553 } 554 } 555 #endif /* CONFIG_PMAC_BACKLIGHT */ 556 input_report_key(&adbhid[id]->input, KEY_BRIGHTNESSUP, down); 557 break; 558 559 case 0xc: /* videomode switch */ 560 input_report_key(&adbhid[id]->input, KEY_SWITCHVIDEOMODE, down); 561 break; 562 563 case 0xd: /* keyboard illumination toggle */ 564 input_report_key(&adbhid[id]->input, KEY_KBDILLUMTOGGLE, down); 565 break; 566 567 case 0xe: /* keyboard illumination decrease */ 568 input_report_key(&adbhid[id]->input, KEY_KBDILLUMDOWN, down); 569 break; 570 571 case 0xf: 572 switch (data[1]) { 573 case 0x8f: 574 case 0x0f: 575 /* keyboard illumination increase */ 576 input_report_key(&adbhid[id]->input, KEY_KBDILLUMUP, down); 577 break; 578 579 case 0x7f: 580 case 0xff: 581 /* keypad overlay toogle */ 582 break; 583 584 default: 585 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 586 data[0], data[1], data[2], data[3]); 587 break; 588 } 589 break; 590 default: 591 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 592 data[0], data[1], data[2], data[3]); 593 break; 594 } 595 } 596 break; 597 } 598 599 input_sync(&adbhid[id]->input); 600 } 601 602 static struct adb_request led_request; 603 static int leds_pending[16]; 604 static int leds_req_pending; 605 static int pending_devs[16]; 606 static int pending_led_start=0; 607 static int pending_led_end=0; 608 static DEFINE_SPINLOCK(leds_lock); 609 610 static void leds_done(struct adb_request *req) 611 { 612 int leds = 0, device = 0, pending = 0; 613 unsigned long flags; 614 615 spin_lock_irqsave(&leds_lock, flags); 616 617 if (pending_led_start != pending_led_end) { 618 device = pending_devs[pending_led_start]; 619 leds = leds_pending[device] & 0xff; 620 leds_pending[device] = 0; 621 pending_led_start++; 622 pending_led_start = (pending_led_start < 16) ? pending_led_start : 0; 623 pending = leds_req_pending; 624 } else 625 leds_req_pending = 0; 626 spin_unlock_irqrestore(&leds_lock, flags); 627 if (pending) 628 adb_request(&led_request, leds_done, 0, 3, 629 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); 630 } 631 632 static void real_leds(unsigned char leds, int device) 633 { 634 unsigned long flags; 635 636 spin_lock_irqsave(&leds_lock, flags); 637 if (!leds_req_pending) { 638 leds_req_pending = 1; 639 spin_unlock_irqrestore(&leds_lock, flags); 640 adb_request(&led_request, leds_done, 0, 3, 641 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); 642 return; 643 } else { 644 if (!(leds_pending[device] & 0x100)) { 645 pending_devs[pending_led_end] = device; 646 pending_led_end++; 647 pending_led_end = (pending_led_end < 16) ? pending_led_end : 0; 648 } 649 leds_pending[device] = leds | 0x100; 650 } 651 spin_unlock_irqrestore(&leds_lock, flags); 652 } 653 654 /* 655 * Event callback from the input module. Events that change the state of 656 * the hardware are processed here. 657 */ 658 static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) 659 { 660 struct adbhid *adbhid = dev->private; 661 unsigned char leds; 662 663 switch (type) { 664 case EV_LED: 665 leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) 666 | (test_bit(LED_NUML, dev->led) ? 1 : 0) 667 | (test_bit(LED_CAPSL, dev->led) ? 2 : 0); 668 real_leds(leds, adbhid->id); 669 return 0; 670 } 671 672 return -1; 673 } 674 675 static int 676 adb_message_handler(struct notifier_block *this, unsigned long code, void *x) 677 { 678 switch (code) { 679 case ADB_MSG_PRE_RESET: 680 case ADB_MSG_POWERDOWN: 681 /* Stop the repeat timer. Autopoll is already off at this point */ 682 { 683 int i; 684 for (i = 1; i < 16; i++) { 685 if (adbhid[i]) 686 del_timer_sync(&adbhid[i]->input.timer); 687 } 688 } 689 690 /* Stop pending led requests */ 691 while(leds_req_pending) 692 adb_poll(); 693 break; 694 695 case ADB_MSG_POST_RESET: 696 adbhid_probe(); 697 break; 698 } 699 return NOTIFY_DONE; 700 } 701 702 static void 703 adbhid_input_register(int id, int default_id, int original_handler_id, 704 int current_handler_id, int mouse_kind) 705 { 706 int i; 707 708 if (adbhid[id]) { 709 printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id); 710 return; 711 } 712 713 if (!(adbhid[id] = kmalloc(sizeof(struct adbhid), GFP_KERNEL))) 714 return; 715 716 memset(adbhid[id], 0, sizeof(struct adbhid)); 717 sprintf(adbhid[id]->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id); 718 719 init_input_dev(&adbhid[id]->input); 720 721 adbhid[id]->id = default_id; 722 adbhid[id]->original_handler_id = original_handler_id; 723 adbhid[id]->current_handler_id = current_handler_id; 724 adbhid[id]->mouse_kind = mouse_kind; 725 adbhid[id]->flags = 0; 726 adbhid[id]->input.private = adbhid[id]; 727 adbhid[id]->input.name = adbhid[id]->name; 728 adbhid[id]->input.phys = adbhid[id]->phys; 729 adbhid[id]->input.id.bustype = BUS_ADB; 730 adbhid[id]->input.id.vendor = 0x0001; 731 adbhid[id]->input.id.product = (id << 12) | (default_id << 8) | original_handler_id; 732 adbhid[id]->input.id.version = 0x0100; 733 734 switch (default_id) { 735 case ADB_KEYBOARD: 736 if (!(adbhid[id]->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL))) { 737 kfree(adbhid[id]); 738 return; 739 } 740 741 sprintf(adbhid[id]->name, "ADB keyboard"); 742 743 memcpy(adbhid[id]->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes)); 744 745 printk(KERN_INFO "Detected ADB keyboard, type "); 746 switch (original_handler_id) { 747 default: 748 printk("<unknown>.\n"); 749 adbhid[id]->input.id.version = ADB_KEYBOARD_UNKNOWN; 750 break; 751 752 case 0x01: case 0x02: case 0x03: case 0x06: case 0x08: 753 case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C: 754 case 0xC0: case 0xC3: case 0xC6: 755 printk("ANSI.\n"); 756 adbhid[id]->input.id.version = ADB_KEYBOARD_ANSI; 757 break; 758 759 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D: 760 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1: 761 case 0xC4: case 0xC7: 762 printk("ISO, swapping keys.\n"); 763 adbhid[id]->input.id.version = ADB_KEYBOARD_ISO; 764 i = adbhid[id]->keycode[10]; 765 adbhid[id]->keycode[10] = adbhid[id]->keycode[50]; 766 adbhid[id]->keycode[50] = i; 767 break; 768 769 case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A: 770 case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9: 771 printk("JIS.\n"); 772 adbhid[id]->input.id.version = ADB_KEYBOARD_JIS; 773 break; 774 } 775 776 for (i = 0; i < 128; i++) 777 if (adbhid[id]->keycode[i]) 778 set_bit(adbhid[id]->keycode[i], adbhid[id]->input.keybit); 779 780 adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP); 781 adbhid[id]->input.ledbit[0] = BIT(LED_SCROLLL) | BIT(LED_CAPSL) | BIT(LED_NUML); 782 adbhid[id]->input.event = adbhid_kbd_event; 783 adbhid[id]->input.keycodemax = 127; 784 adbhid[id]->input.keycodesize = 1; 785 break; 786 787 case ADB_MOUSE: 788 sprintf(adbhid[id]->name, "ADB mouse"); 789 790 adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REL); 791 adbhid[id]->input.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT); 792 adbhid[id]->input.relbit[0] = BIT(REL_X) | BIT(REL_Y); 793 break; 794 795 case ADB_MISC: 796 switch (original_handler_id) { 797 case 0x02: /* Adjustable keyboard button device */ 798 sprintf(adbhid[id]->name, "ADB adjustable keyboard buttons"); 799 adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); 800 set_bit(KEY_SOUND, adbhid[id]->input.keybit); 801 set_bit(KEY_MUTE, adbhid[id]->input.keybit); 802 set_bit(KEY_VOLUMEUP, adbhid[id]->input.keybit); 803 set_bit(KEY_VOLUMEDOWN, adbhid[id]->input.keybit); 804 break; 805 case 0x1f: /* Powerbook button device */ 806 sprintf(adbhid[id]->name, "ADB Powerbook buttons"); 807 adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); 808 set_bit(KEY_MUTE, adbhid[id]->input.keybit); 809 set_bit(KEY_VOLUMEUP, adbhid[id]->input.keybit); 810 set_bit(KEY_VOLUMEDOWN, adbhid[id]->input.keybit); 811 set_bit(KEY_BRIGHTNESSUP, adbhid[id]->input.keybit); 812 set_bit(KEY_BRIGHTNESSDOWN, adbhid[id]->input.keybit); 813 set_bit(KEY_EJECTCD, adbhid[id]->input.keybit); 814 set_bit(KEY_SWITCHVIDEOMODE, adbhid[id]->input.keybit); 815 set_bit(KEY_KBDILLUMTOGGLE, adbhid[id]->input.keybit); 816 set_bit(KEY_KBDILLUMDOWN, adbhid[id]->input.keybit); 817 set_bit(KEY_KBDILLUMUP, adbhid[id]->input.keybit); 818 break; 819 } 820 if (adbhid[id]->name[0]) 821 break; 822 /* else fall through */ 823 824 default: 825 printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n"); 826 kfree(adbhid[id]); 827 return; 828 } 829 830 adbhid[id]->input.keycode = adbhid[id]->keycode; 831 832 input_register_device(&adbhid[id]->input); 833 834 printk(KERN_INFO "input: %s on %s\n", 835 adbhid[id]->name, adbhid[id]->phys); 836 837 if (default_id == ADB_KEYBOARD) { 838 /* HACK WARNING!! This should go away as soon there is an utility 839 * to control that for event devices. 840 */ 841 adbhid[id]->input.rep[REP_DELAY] = 500; /* input layer default: 250 */ 842 adbhid[id]->input.rep[REP_PERIOD] = 66; /* input layer default: 33 */ 843 } 844 } 845 846 static void adbhid_input_unregister(int id) 847 { 848 input_unregister_device(&adbhid[id]->input); 849 if (adbhid[id]->keycode) 850 kfree(adbhid[id]->keycode); 851 kfree(adbhid[id]); 852 adbhid[id] = NULL; 853 } 854 855 856 static u16 857 adbhid_input_reregister(int id, int default_id, int org_handler_id, 858 int cur_handler_id, int mk) 859 { 860 if (adbhid[id]) { 861 if (adbhid[id]->input.id.product != 862 ((id << 12)|(default_id << 8)|org_handler_id)) { 863 adbhid_input_unregister(id); 864 adbhid_input_register(id, default_id, org_handler_id, 865 cur_handler_id, mk); 866 } 867 } else 868 adbhid_input_register(id, default_id, org_handler_id, 869 cur_handler_id, mk); 870 return 1<<id; 871 } 872 873 static void 874 adbhid_input_devcleanup(u16 exist) 875 { 876 int i; 877 for(i=1; i<16; i++) 878 if (adbhid[i] && !(exist&(1<<i))) 879 adbhid_input_unregister(i); 880 } 881 882 static void 883 adbhid_probe(void) 884 { 885 struct adb_request req; 886 int i, default_id, org_handler_id, cur_handler_id; 887 u16 reg = 0; 888 889 adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input); 890 adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input); 891 adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input); 892 893 for (i = 0; i < keyboard_ids.nids; i++) { 894 int id = keyboard_ids.id[i]; 895 896 adb_get_infos(id, &default_id, &org_handler_id); 897 898 /* turn off all leds */ 899 adb_request(&req, NULL, ADBREQ_SYNC, 3, 900 ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff); 901 902 /* Enable full feature set of the keyboard 903 ->get it to send separate codes for left and right shift, 904 control, option keys */ 905 #if 0 /* handler 5 doesn't send separate codes for R modifiers */ 906 if (adb_try_handler_change(id, 5)) 907 printk("ADB keyboard at %d, handler set to 5\n", id); 908 else 909 #endif 910 if (adb_try_handler_change(id, 3)) 911 printk("ADB keyboard at %d, handler set to 3\n", id); 912 else 913 printk("ADB keyboard at %d, handler 1\n", id); 914 915 adb_get_infos(id, &default_id, &cur_handler_id); 916 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 917 cur_handler_id, 0); 918 } 919 920 for (i = 0; i < buttons_ids.nids; i++) { 921 int id = buttons_ids.id[i]; 922 923 adb_get_infos(id, &default_id, &org_handler_id); 924 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 925 org_handler_id, 0); 926 } 927 928 /* Try to switch all mice to handler 4, or 2 for three-button 929 mode and full resolution. */ 930 for (i = 0; i < mouse_ids.nids; i++) { 931 int id = mouse_ids.id[i]; 932 int mouse_kind; 933 934 adb_get_infos(id, &default_id, &org_handler_id); 935 936 if (adb_try_handler_change(id, 4)) { 937 printk("ADB mouse at %d, handler set to 4", id); 938 mouse_kind = ADBMOUSE_EXTENDED; 939 } 940 else if (adb_try_handler_change(id, 0x2F)) { 941 printk("ADB mouse at %d, handler set to 0x2F", id); 942 mouse_kind = ADBMOUSE_MICROSPEED; 943 } 944 else if (adb_try_handler_change(id, 0x42)) { 945 printk("ADB mouse at %d, handler set to 0x42", id); 946 mouse_kind = ADBMOUSE_TRACKBALLPRO; 947 } 948 else if (adb_try_handler_change(id, 0x66)) { 949 printk("ADB mouse at %d, handler set to 0x66", id); 950 mouse_kind = ADBMOUSE_MICROSPEED; 951 } 952 else if (adb_try_handler_change(id, 0x5F)) { 953 printk("ADB mouse at %d, handler set to 0x5F", id); 954 mouse_kind = ADBMOUSE_MICROSPEED; 955 } 956 else if (adb_try_handler_change(id, 3)) { 957 printk("ADB mouse at %d, handler set to 3", id); 958 mouse_kind = ADBMOUSE_MS_A3; 959 } 960 else if (adb_try_handler_change(id, 2)) { 961 printk("ADB mouse at %d, handler set to 2", id); 962 mouse_kind = ADBMOUSE_STANDARD_200; 963 } 964 else { 965 printk("ADB mouse at %d, handler 1", id); 966 mouse_kind = ADBMOUSE_STANDARD_100; 967 } 968 969 if ((mouse_kind == ADBMOUSE_TRACKBALLPRO) 970 || (mouse_kind == ADBMOUSE_MICROSPEED)) { 971 init_microspeed(id); 972 } else if (mouse_kind == ADBMOUSE_MS_A3) { 973 init_ms_a3(id); 974 } else if (mouse_kind == ADBMOUSE_EXTENDED) { 975 /* 976 * Register 1 is usually used for device 977 * identification. Here, we try to identify 978 * a known device and call the appropriate 979 * init function. 980 */ 981 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 982 ADB_READREG(id, 1)); 983 984 if ((req.reply_len) && 985 (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21) 986 || (req.reply[2] == 0x20))) { 987 mouse_kind = ADBMOUSE_TRACKBALL; 988 init_trackball(id); 989 } 990 else if ((req.reply_len >= 4) && 991 (req.reply[1] == 0x74) && (req.reply[2] == 0x70) && 992 (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) { 993 mouse_kind = ADBMOUSE_TRACKPAD; 994 init_trackpad(id); 995 } 996 else if ((req.reply_len >= 4) && 997 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) && 998 (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) { 999 mouse_kind = ADBMOUSE_TURBOMOUSE5; 1000 init_turbomouse(id); 1001 } 1002 else if ((req.reply_len == 9) && 1003 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) && 1004 (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) { 1005 if (adb_try_handler_change(id, 0x42)) { 1006 printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id); 1007 mouse_kind = ADBMOUSE_MACALLY2; 1008 } 1009 } 1010 } 1011 printk("\n"); 1012 1013 adb_get_infos(id, &default_id, &cur_handler_id); 1014 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 1015 cur_handler_id, mouse_kind); 1016 } 1017 adbhid_input_devcleanup(reg); 1018 } 1019 1020 static void 1021 init_trackpad(int id) 1022 { 1023 struct adb_request req; 1024 unsigned char r1_buffer[8]; 1025 1026 printk(" (trackpad)"); 1027 1028 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 1029 ADB_READREG(id,1)); 1030 if (req.reply_len < 8) 1031 printk("bad length for reg. 1\n"); 1032 else 1033 { 1034 memcpy(r1_buffer, &req.reply[1], 8); 1035 1036 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1037 ADB_WRITEREG(id,1), 1038 r1_buffer[0], 1039 r1_buffer[1], 1040 r1_buffer[2], 1041 r1_buffer[3], 1042 r1_buffer[4], 1043 r1_buffer[5], 1044 0x0d, 1045 r1_buffer[7]); 1046 1047 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1048 ADB_WRITEREG(id,2), 1049 0x99, 1050 0x94, 1051 0x19, 1052 0xff, 1053 0xb2, 1054 0x8a, 1055 0x1b, 1056 0x50); 1057 1058 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1059 ADB_WRITEREG(id,1), 1060 r1_buffer[0], 1061 r1_buffer[1], 1062 r1_buffer[2], 1063 r1_buffer[3], 1064 r1_buffer[4], 1065 r1_buffer[5], 1066 0x03, /*r1_buffer[6],*/ 1067 r1_buffer[7]); 1068 1069 /* Without this flush, the trackpad may be locked up */ 1070 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1071 } 1072 } 1073 1074 static void 1075 init_trackball(int id) 1076 { 1077 struct adb_request req; 1078 1079 printk(" (trackman/mouseman)"); 1080 1081 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1082 ADB_WRITEREG(id,1), 00,0x81); 1083 1084 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1085 ADB_WRITEREG(id,1), 01,0x81); 1086 1087 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1088 ADB_WRITEREG(id,1), 02,0x81); 1089 1090 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1091 ADB_WRITEREG(id,1), 03,0x38); 1092 1093 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1094 ADB_WRITEREG(id,1), 00,0x81); 1095 1096 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1097 ADB_WRITEREG(id,1), 01,0x81); 1098 1099 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1100 ADB_WRITEREG(id,1), 02,0x81); 1101 1102 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1103 ADB_WRITEREG(id,1), 03,0x38); 1104 } 1105 1106 static void 1107 init_turbomouse(int id) 1108 { 1109 struct adb_request req; 1110 1111 printk(" (TurboMouse 5)"); 1112 1113 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 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 0xe7, 1120 0x8c, 1121 0, 1122 0, 1123 0, 1124 0xff, 1125 0xff, 1126 0x94); 1127 1128 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 1129 1130 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1131 ADB_WRITEREG(3,2), 1132 0xa5, 1133 0x14, 1134 0, 1135 0, 1136 0x69, 1137 0xff, 1138 0xff, 1139 0x27); 1140 } 1141 1142 static void 1143 init_microspeed(int id) 1144 { 1145 struct adb_request req; 1146 1147 printk(" (Microspeed/MacPoint or compatible)"); 1148 1149 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1150 1151 /* This will initialize mice using the Microspeed, MacPoint and 1152 other compatible firmware. Bit 12 enables extended protocol. 1153 1154 Register 1 Listen (4 Bytes) 1155 0 - 3 Button is mouse (set also for double clicking!!!) 1156 4 - 7 Button is locking (affects change speed also) 1157 8 - 11 Button changes speed 1158 12 1 = Extended mouse mode, 0 = normal mouse mode 1159 13 - 15 unused 0 1160 16 - 23 normal speed 1161 24 - 31 changed speed 1162 1163 Register 1 talk holds version and product identification information. 1164 Register 1 Talk (4 Bytes): 1165 0 - 7 Product code 1166 8 - 23 undefined, reserved 1167 24 - 31 Version number 1168 1169 Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max. 1170 */ 1171 adb_request(&req, NULL, ADBREQ_SYNC, 5, 1172 ADB_WRITEREG(id,1), 1173 0x20, /* alt speed = 0x20 (rather slow) */ 1174 0x00, /* norm speed = 0x00 (fastest) */ 1175 0x10, /* extended protocol, no speed change */ 1176 0x07); /* all buttons enabled as mouse buttons, no locking */ 1177 1178 1179 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1180 } 1181 1182 static void 1183 init_ms_a3(int id) 1184 { 1185 struct adb_request req; 1186 1187 printk(" (Mouse Systems A3 Mouse, or compatible)"); 1188 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1189 ADB_WRITEREG(id, 0x2), 1190 0x00, 1191 0x07); 1192 1193 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1194 } 1195 1196 static int __init adbhid_init(void) 1197 { 1198 #ifndef CONFIG_MAC 1199 if ( (_machine != _MACH_chrp) && (_machine != _MACH_Pmac) ) 1200 return 0; 1201 #endif 1202 1203 led_request.complete = 1; 1204 1205 adbhid_probe(); 1206 1207 notifier_chain_register(&adb_client_list, &adbhid_adb_notifier); 1208 1209 return 0; 1210 } 1211 1212 static void __exit adbhid_exit(void) 1213 { 1214 } 1215 1216 module_init(adbhid_init); 1217 module_exit(adbhid_exit); 1218