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 53MODULE_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 59static int adb_message_handler(struct notifier_block *, unsigned long, void *); 60static 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 73u8 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 204struct 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 221static struct adbhid *adbhid[16]; 222 223static void adbhid_probe(void); 224 225static void adbhid_input_keycode(int, int, int); 226 227static void init_trackpad(int id); 228static void init_trackball(int id); 229static void init_turbomouse(int id); 230static void init_microspeed(int id); 231static void init_ms_a3(int id); 232 233static struct adb_ids keyboard_ids; 234static struct adb_ids mouse_ids; 235static 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 255static void 256adbhid_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 274static void 275adbhid_input_keycode(int id, int keycode, int repeat) 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_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 /* Swallow the key press */ 325 return; 326 case ADB_KEY_DEL: 327 /* Emulate Fn+delete = forward delete */ 328 if (ahid->flags & FLAG_FN_KEY_PRESSED) { 329 keycode = ADB_KEY_FWDEL; 330 if (up_flag) 331 ahid->flags &= ~FLAG_EMU_FWDEL_DOWN; 332 else 333 ahid->flags |= FLAG_EMU_FWDEL_DOWN; 334 } 335 break; 336#endif /* CONFIG_PPC_PMAC */ 337 } 338 339 if (adbhid[id]->keycode[keycode]) { 340 input_report_key(adbhid[id]->input, 341 adbhid[id]->keycode[keycode], !up_flag); 342 input_sync(adbhid[id]->input); 343 } else 344 printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode, 345 up_flag ? "released" : "pressed"); 346 347} 348 349static void 350adbhid_mouse_input(unsigned char *data, int nb, int autopoll) 351{ 352 int id = (data[0] >> 4) & 0x0f; 353 354 if (!adbhid[id]) { 355 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); 356 return; 357 } 358 359 360 /* If it's a trackpad, we alias the second button to the first. 361 NOTE: Apple sends an ADB flush command to the trackpad when 362 the first (the real) button is released. We could do 363 this here using async flush requests. 364 */ 365 switch (adbhid[id]->mouse_kind) 366 { 367 case ADBMOUSE_TRACKPAD: 368 data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80); 369 data[2] = data[2] | 0x80; 370 break; 371 case ADBMOUSE_MICROSPEED: 372 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 373 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 374 data[3] = (data[3] & 0x77) | ((data[3] & 0x04) << 5) 375 | (data[3] & 0x08); 376 break; 377 case ADBMOUSE_TRACKBALLPRO: 378 data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5) 379 & ((data[3] & 0x08) << 4)); 380 data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7); 381 data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6); 382 break; 383 case ADBMOUSE_MS_A3: 384 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 385 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 386 data[3] = ((data[3] & 0x04) << 5); 387 break; 388 case ADBMOUSE_MACALLY2: 389 data[3] = (data[2] & 0x80) ? 0x80 : 0x00; 390 data[2] |= 0x80; /* Right button is mapped as button 3 */ 391 nb=4; 392 break; 393 } 394 395 input_report_key(adbhid[id]->input, BTN_LEFT, !((data[1] >> 7) & 1)); 396 input_report_key(adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1)); 397 398 if (nb >= 4 && adbhid[id]->mouse_kind != ADBMOUSE_TRACKPAD) 399 input_report_key(adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1)); 400 401 input_report_rel(adbhid[id]->input, REL_X, 402 ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 )); 403 input_report_rel(adbhid[id]->input, REL_Y, 404 ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 )); 405 406 input_sync(adbhid[id]->input); 407} 408 409static void 410adbhid_buttons_input(unsigned char *data, int nb, int autopoll) 411{ 412 int id = (data[0] >> 4) & 0x0f; 413 414 if (!adbhid[id]) { 415 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); 416 return; 417 } 418 419 switch (adbhid[id]->original_handler_id) { 420 default: 421 case 0x02: /* Adjustable keyboard button device */ 422 { 423 int down = (data[1] == (data[1] & 0xf)); 424 425 switch (data[1] & 0x0f) { 426 case 0x0: /* microphone */ 427 input_report_key(adbhid[id]->input, KEY_SOUND, down); 428 break; 429 430 case 0x1: /* mute */ 431 input_report_key(adbhid[id]->input, KEY_MUTE, down); 432 break; 433 434 case 0x2: /* volume decrease */ 435 input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); 436 break; 437 438 case 0x3: /* volume increase */ 439 input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); 440 break; 441 442 default: 443 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 444 data[0], data[1], data[2], data[3]); 445 break; 446 } 447 } 448 break; 449 450 case 0x1f: /* Powerbook button device */ 451 { 452 int down = (data[1] == (data[1] & 0xf)); 453 454 455 switch (data[1] & 0x0f) { 456 case 0x8: /* mute */ 457 input_report_key(adbhid[id]->input, KEY_MUTE, down); 458 break; 459 460 case 0x7: /* volume decrease */ 461 input_report_key(adbhid[id]->input, KEY_VOLUMEDOWN, down); 462 break; 463 464 case 0x6: /* volume increase */ 465 input_report_key(adbhid[id]->input, KEY_VOLUMEUP, down); 466 break; 467 468 case 0xb: /* eject */ 469 input_report_key(adbhid[id]->input, KEY_EJECTCD, down); 470 break; 471 472 case 0xa: /* brightness decrease */ 473#ifdef CONFIG_PMAC_BACKLIGHT 474 if (down) 475 pmac_backlight_key_down(); 476#endif 477 input_report_key(adbhid[id]->input, KEY_BRIGHTNESSDOWN, down); 478 break; 479 480 case 0x9: /* brightness increase */ 481#ifdef CONFIG_PMAC_BACKLIGHT 482 if (down) 483 pmac_backlight_key_up(); 484#endif 485 input_report_key(adbhid[id]->input, KEY_BRIGHTNESSUP, down); 486 break; 487 488 case 0xc: /* videomode switch */ 489 input_report_key(adbhid[id]->input, KEY_SWITCHVIDEOMODE, down); 490 break; 491 492 case 0xd: /* keyboard illumination toggle */ 493 input_report_key(adbhid[id]->input, KEY_KBDILLUMTOGGLE, down); 494 break; 495 496 case 0xe: /* keyboard illumination decrease */ 497 input_report_key(adbhid[id]->input, KEY_KBDILLUMDOWN, down); 498 break; 499 500 case 0xf: 501 switch (data[1]) { 502 case 0x8f: 503 case 0x0f: 504 /* keyboard illumination increase */ 505 input_report_key(adbhid[id]->input, KEY_KBDILLUMUP, down); 506 break; 507 508 case 0x7f: 509 case 0xff: 510 /* keypad overlay toogle */ 511 break; 512 513 default: 514 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 515 data[0], data[1], data[2], data[3]); 516 break; 517 } 518 break; 519 default: 520 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 521 data[0], data[1], data[2], data[3]); 522 break; 523 } 524 } 525 break; 526 } 527 528 input_sync(adbhid[id]->input); 529} 530 531static struct adb_request led_request; 532static int leds_pending[16]; 533static int leds_req_pending; 534static int pending_devs[16]; 535static int pending_led_start; 536static int pending_led_end; 537static DEFINE_SPINLOCK(leds_lock); 538 539static void leds_done(struct adb_request *req) 540{ 541 int leds = 0, device = 0, pending = 0; 542 unsigned long flags; 543 544 spin_lock_irqsave(&leds_lock, flags); 545 546 if (pending_led_start != pending_led_end) { 547 device = pending_devs[pending_led_start]; 548 leds = leds_pending[device] & 0xff; 549 leds_pending[device] = 0; 550 pending_led_start++; 551 pending_led_start = (pending_led_start < 16) ? pending_led_start : 0; 552 pending = leds_req_pending; 553 } else 554 leds_req_pending = 0; 555 spin_unlock_irqrestore(&leds_lock, flags); 556 if (pending) 557 adb_request(&led_request, leds_done, 0, 3, 558 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); 559} 560 561static void real_leds(unsigned char leds, int device) 562{ 563 unsigned long flags; 564 565 spin_lock_irqsave(&leds_lock, flags); 566 if (!leds_req_pending) { 567 leds_req_pending = 1; 568 spin_unlock_irqrestore(&leds_lock, flags); 569 adb_request(&led_request, leds_done, 0, 3, 570 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, ~leds); 571 return; 572 } else { 573 if (!(leds_pending[device] & 0x100)) { 574 pending_devs[pending_led_end] = device; 575 pending_led_end++; 576 pending_led_end = (pending_led_end < 16) ? pending_led_end : 0; 577 } 578 leds_pending[device] = leds | 0x100; 579 } 580 spin_unlock_irqrestore(&leds_lock, flags); 581} 582 583/* 584 * Event callback from the input module. Events that change the state of 585 * the hardware are processed here. 586 */ 587static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) 588{ 589 struct adbhid *adbhid = input_get_drvdata(dev); 590 unsigned char leds; 591 592 switch (type) { 593 case EV_LED: 594 leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) | 595 (test_bit(LED_NUML, dev->led) ? 1 : 0) | 596 (test_bit(LED_CAPSL, dev->led) ? 2 : 0); 597 real_leds(leds, adbhid->id); 598 return 0; 599 } 600 601 return -1; 602} 603 604static int 605adb_message_handler(struct notifier_block *this, unsigned long code, void *x) 606{ 607 switch (code) { 608 case ADB_MSG_PRE_RESET: 609 case ADB_MSG_POWERDOWN: 610 /* Stop the repeat timer. Autopoll is already off at this point */ 611 { 612 int i; 613 for (i = 1; i < 16; i++) { 614 if (adbhid[i]) 615 del_timer_sync(&adbhid[i]->input->timer); 616 } 617 } 618 619 /* Stop pending led requests */ 620 while(leds_req_pending) 621 adb_poll(); 622 break; 623 624 case ADB_MSG_POST_RESET: 625 adbhid_probe(); 626 break; 627 } 628 return NOTIFY_DONE; 629} 630 631static int 632adbhid_input_register(int id, int default_id, int original_handler_id, 633 int current_handler_id, int mouse_kind) 634{ 635 struct adbhid *hid; 636 struct input_dev *input_dev; 637 int err; 638 int i; 639 640 if (adbhid[id]) { 641 printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id); 642 return -EEXIST; 643 } 644 645 adbhid[id] = hid = kzalloc(sizeof(struct adbhid), GFP_KERNEL); 646 input_dev = input_allocate_device(); 647 if (!hid || !input_dev) { 648 err = -ENOMEM; 649 goto fail; 650 } 651 652 sprintf(hid->phys, "adb%d:%d.%02x/input", id, default_id, original_handler_id); 653 654 hid->input = input_dev; 655 hid->id = default_id; 656 hid->original_handler_id = original_handler_id; 657 hid->current_handler_id = current_handler_id; 658 hid->mouse_kind = mouse_kind; 659 hid->flags = 0; 660 input_set_drvdata(input_dev, hid); 661 input_dev->name = hid->name; 662 input_dev->phys = hid->phys; 663 input_dev->id.bustype = BUS_ADB; 664 input_dev->id.vendor = 0x0001; 665 input_dev->id.product = (id << 12) | (default_id << 8) | original_handler_id; 666 input_dev->id.version = 0x0100; 667 668 switch (default_id) { 669 case ADB_KEYBOARD: 670 hid->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL); 671 if (!hid->keycode) { 672 err = -ENOMEM; 673 goto fail; 674 } 675 676 sprintf(hid->name, "ADB keyboard"); 677 678 memcpy(hid->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes)); 679 680 printk(KERN_INFO "Detected ADB keyboard, type "); 681 switch (original_handler_id) { 682 default: 683 printk("<unknown>.\n"); 684 input_dev->id.version = ADB_KEYBOARD_UNKNOWN; 685 break; 686 687 case 0x01: case 0x02: case 0x03: case 0x06: case 0x08: 688 case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C: 689 case 0xC0: case 0xC3: case 0xC6: 690 printk("ANSI.\n"); 691 input_dev->id.version = ADB_KEYBOARD_ANSI; 692 break; 693 694 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D: 695 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1: 696 case 0xC4: case 0xC7: 697 printk("ISO, swapping keys.\n"); 698 input_dev->id.version = ADB_KEYBOARD_ISO; 699 i = hid->keycode[10]; 700 hid->keycode[10] = hid->keycode[50]; 701 hid->keycode[50] = i; 702 break; 703 704 case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A: 705 case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9: 706 printk("JIS.\n"); 707 input_dev->id.version = ADB_KEYBOARD_JIS; 708 break; 709 } 710 711 for (i = 0; i < 128; i++) 712 if (hid->keycode[i]) 713 set_bit(hid->keycode[i], input_dev->keybit); 714 715 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP); 716 input_dev->ledbit[0] = BIT(LED_SCROLLL) | BIT(LED_CAPSL) | BIT(LED_NUML); 717 input_dev->event = adbhid_kbd_event; 718 input_dev->keycodemax = 127; 719 input_dev->keycodesize = 1; 720 break; 721 722 case ADB_MOUSE: 723 sprintf(hid->name, "ADB mouse"); 724 725 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REL); 726 input_dev->keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT); 727 input_dev->relbit[0] = BIT(REL_X) | BIT(REL_Y); 728 break; 729 730 case ADB_MISC: 731 switch (original_handler_id) { 732 case 0x02: /* Adjustable keyboard button device */ 733 sprintf(hid->name, "ADB adjustable keyboard buttons"); 734 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); 735 set_bit(KEY_SOUND, input_dev->keybit); 736 set_bit(KEY_MUTE, input_dev->keybit); 737 set_bit(KEY_VOLUMEUP, input_dev->keybit); 738 set_bit(KEY_VOLUMEDOWN, input_dev->keybit); 739 break; 740 case 0x1f: /* Powerbook button device */ 741 sprintf(hid->name, "ADB Powerbook buttons"); 742 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_REP); 743 set_bit(KEY_MUTE, input_dev->keybit); 744 set_bit(KEY_VOLUMEUP, input_dev->keybit); 745 set_bit(KEY_VOLUMEDOWN, input_dev->keybit); 746 set_bit(KEY_BRIGHTNESSUP, input_dev->keybit); 747 set_bit(KEY_BRIGHTNESSDOWN, input_dev->keybit); 748 set_bit(KEY_EJECTCD, input_dev->keybit); 749 set_bit(KEY_SWITCHVIDEOMODE, input_dev->keybit); 750 set_bit(KEY_KBDILLUMTOGGLE, input_dev->keybit); 751 set_bit(KEY_KBDILLUMDOWN, input_dev->keybit); 752 set_bit(KEY_KBDILLUMUP, input_dev->keybit); 753 break; 754 } 755 if (hid->name[0]) 756 break; 757 /* else fall through */ 758 759 default: 760 printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n"); 761 err = -ENODEV; 762 goto fail; 763 } 764 765 input_dev->keycode = hid->keycode; 766 767 err = input_register_device(input_dev); 768 if (err) 769 goto fail; 770 771 if (default_id == ADB_KEYBOARD) { 772 /* HACK WARNING!! This should go away as soon there is an utility 773 * to control that for event devices. 774 */ 775 input_dev->rep[REP_DELAY] = 500; /* input layer default: 250 */ 776 input_dev->rep[REP_PERIOD] = 66; /* input layer default: 33 */ 777 } 778 779 return 0; 780 781 fail: input_free_device(input_dev); 782 if (hid) { 783 kfree(hid->keycode); 784 kfree(hid); 785 } 786 adbhid[id] = NULL; 787 return err; 788} 789 790static void adbhid_input_unregister(int id) 791{ 792 input_unregister_device(adbhid[id]->input); 793 kfree(adbhid[id]->keycode); 794 kfree(adbhid[id]); 795 adbhid[id] = NULL; 796} 797 798 799static u16 800adbhid_input_reregister(int id, int default_id, int org_handler_id, 801 int cur_handler_id, int mk) 802{ 803 if (adbhid[id]) { 804 if (adbhid[id]->input->id.product != 805 ((id << 12)|(default_id << 8)|org_handler_id)) { 806 adbhid_input_unregister(id); 807 adbhid_input_register(id, default_id, org_handler_id, 808 cur_handler_id, mk); 809 } 810 } else 811 adbhid_input_register(id, default_id, org_handler_id, 812 cur_handler_id, mk); 813 return 1<<id; 814} 815 816static void 817adbhid_input_devcleanup(u16 exist) 818{ 819 int i; 820 for(i=1; i<16; i++) 821 if (adbhid[i] && !(exist&(1<<i))) 822 adbhid_input_unregister(i); 823} 824 825static void 826adbhid_probe(void) 827{ 828 struct adb_request req; 829 int i, default_id, org_handler_id, cur_handler_id; 830 u16 reg = 0; 831 832 adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input); 833 adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input); 834 adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input); 835 836 for (i = 0; i < keyboard_ids.nids; i++) { 837 int id = keyboard_ids.id[i]; 838 839 adb_get_infos(id, &default_id, &org_handler_id); 840 841 /* turn off all leds */ 842 adb_request(&req, NULL, ADBREQ_SYNC, 3, 843 ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff); 844 845 /* Enable full feature set of the keyboard 846 ->get it to send separate codes for left and right shift, 847 control, option keys */ 848 if (adb_try_handler_change(id, 3)) 849 printk("ADB keyboard at %d, handler set to 3\n", id); 850 else 851 printk("ADB keyboard at %d, handler 1\n", id); 852 853 adb_get_infos(id, &default_id, &cur_handler_id); 854 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 855 cur_handler_id, 0); 856 } 857 858 for (i = 0; i < buttons_ids.nids; i++) { 859 int id = buttons_ids.id[i]; 860 861 adb_get_infos(id, &default_id, &org_handler_id); 862 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 863 org_handler_id, 0); 864 } 865 866 /* Try to switch all mice to handler 4, or 2 for three-button 867 mode and full resolution. */ 868 for (i = 0; i < mouse_ids.nids; i++) { 869 int id = mouse_ids.id[i]; 870 int mouse_kind; 871 872 adb_get_infos(id, &default_id, &org_handler_id); 873 874 if (adb_try_handler_change(id, 4)) { 875 printk("ADB mouse at %d, handler set to 4", id); 876 mouse_kind = ADBMOUSE_EXTENDED; 877 } 878 else if (adb_try_handler_change(id, 0x2F)) { 879 printk("ADB mouse at %d, handler set to 0x2F", id); 880 mouse_kind = ADBMOUSE_MICROSPEED; 881 } 882 else if (adb_try_handler_change(id, 0x42)) { 883 printk("ADB mouse at %d, handler set to 0x42", id); 884 mouse_kind = ADBMOUSE_TRACKBALLPRO; 885 } 886 else if (adb_try_handler_change(id, 0x66)) { 887 printk("ADB mouse at %d, handler set to 0x66", id); 888 mouse_kind = ADBMOUSE_MICROSPEED; 889 } 890 else if (adb_try_handler_change(id, 0x5F)) { 891 printk("ADB mouse at %d, handler set to 0x5F", id); 892 mouse_kind = ADBMOUSE_MICROSPEED; 893 } 894 else if (adb_try_handler_change(id, 3)) { 895 printk("ADB mouse at %d, handler set to 3", id); 896 mouse_kind = ADBMOUSE_MS_A3; 897 } 898 else if (adb_try_handler_change(id, 2)) { 899 printk("ADB mouse at %d, handler set to 2", id); 900 mouse_kind = ADBMOUSE_STANDARD_200; 901 } 902 else { 903 printk("ADB mouse at %d, handler 1", id); 904 mouse_kind = ADBMOUSE_STANDARD_100; 905 } 906 907 if ((mouse_kind == ADBMOUSE_TRACKBALLPRO) 908 || (mouse_kind == ADBMOUSE_MICROSPEED)) { 909 init_microspeed(id); 910 } else if (mouse_kind == ADBMOUSE_MS_A3) { 911 init_ms_a3(id); 912 } else if (mouse_kind == ADBMOUSE_EXTENDED) { 913 /* 914 * Register 1 is usually used for device 915 * identification. Here, we try to identify 916 * a known device and call the appropriate 917 * init function. 918 */ 919 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 920 ADB_READREG(id, 1)); 921 922 if ((req.reply_len) && 923 (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21) 924 || (req.reply[2] == 0x20))) { 925 mouse_kind = ADBMOUSE_TRACKBALL; 926 init_trackball(id); 927 } 928 else if ((req.reply_len >= 4) && 929 (req.reply[1] == 0x74) && (req.reply[2] == 0x70) && 930 (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) { 931 mouse_kind = ADBMOUSE_TRACKPAD; 932 init_trackpad(id); 933 } 934 else if ((req.reply_len >= 4) && 935 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) && 936 (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) { 937 mouse_kind = ADBMOUSE_TURBOMOUSE5; 938 init_turbomouse(id); 939 } 940 else if ((req.reply_len == 9) && 941 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) && 942 (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) { 943 if (adb_try_handler_change(id, 0x42)) { 944 printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id); 945 mouse_kind = ADBMOUSE_MACALLY2; 946 } 947 } 948 } 949 printk("\n"); 950 951 adb_get_infos(id, &default_id, &cur_handler_id); 952 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 953 cur_handler_id, mouse_kind); 954 } 955 adbhid_input_devcleanup(reg); 956} 957 958static void 959init_trackpad(int id) 960{ 961 struct adb_request req; 962 unsigned char r1_buffer[8]; 963 964 printk(" (trackpad)"); 965 966 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 967 ADB_READREG(id,1)); 968 if (req.reply_len < 8) 969 printk("bad length for reg. 1\n"); 970 else 971 { 972 memcpy(r1_buffer, &req.reply[1], 8); 973 974 adb_request(&req, NULL, ADBREQ_SYNC, 9, 975 ADB_WRITEREG(id,1), 976 r1_buffer[0], 977 r1_buffer[1], 978 r1_buffer[2], 979 r1_buffer[3], 980 r1_buffer[4], 981 r1_buffer[5], 982 0x0d, 983 r1_buffer[7]); 984 985 adb_request(&req, NULL, ADBREQ_SYNC, 9, 986 ADB_WRITEREG(id,2), 987 0x99, 988 0x94, 989 0x19, 990 0xff, 991 0xb2, 992 0x8a, 993 0x1b, 994 0x50); 995 996 adb_request(&req, NULL, ADBREQ_SYNC, 9, 997 ADB_WRITEREG(id,1), 998 r1_buffer[0], 999 r1_buffer[1], 1000 r1_buffer[2], 1001 r1_buffer[3], 1002 r1_buffer[4], 1003 r1_buffer[5], 1004 0x03, /*r1_buffer[6],*/ 1005 r1_buffer[7]); 1006 1007 /* Without this flush, the trackpad may be locked up */ 1008 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1009 } 1010} 1011 1012static void 1013init_trackball(int id) 1014{ 1015 struct adb_request req; 1016 1017 printk(" (trackman/mouseman)"); 1018 1019 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1020 ADB_WRITEREG(id,1), 00,0x81); 1021 1022 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1023 ADB_WRITEREG(id,1), 01,0x81); 1024 1025 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1026 ADB_WRITEREG(id,1), 02,0x81); 1027 1028 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1029 ADB_WRITEREG(id,1), 03,0x38); 1030 1031 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1032 ADB_WRITEREG(id,1), 00,0x81); 1033 1034 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1035 ADB_WRITEREG(id,1), 01,0x81); 1036 1037 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1038 ADB_WRITEREG(id,1), 02,0x81); 1039 1040 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1041 ADB_WRITEREG(id,1), 03,0x38); 1042} 1043 1044static void 1045init_turbomouse(int id) 1046{ 1047 struct adb_request req; 1048 1049 printk(" (TurboMouse 5)"); 1050 1051 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1052 1053 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 1054 1055 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1056 ADB_WRITEREG(3,2), 1057 0xe7, 1058 0x8c, 1059 0, 1060 0, 1061 0, 1062 0xff, 1063 0xff, 1064 0x94); 1065 1066 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 1067 1068 adb_request(&req, NULL, ADBREQ_SYNC, 9, 1069 ADB_WRITEREG(3,2), 1070 0xa5, 1071 0x14, 1072 0, 1073 0, 1074 0x69, 1075 0xff, 1076 0xff, 1077 0x27); 1078} 1079 1080static void 1081init_microspeed(int id) 1082{ 1083 struct adb_request req; 1084 1085 printk(" (Microspeed/MacPoint or compatible)"); 1086 1087 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1088 1089 /* This will initialize mice using the Microspeed, MacPoint and 1090 other compatible firmware. Bit 12 enables extended protocol. 1091 1092 Register 1 Listen (4 Bytes) 1093 0 - 3 Button is mouse (set also for double clicking!!!) 1094 4 - 7 Button is locking (affects change speed also) 1095 8 - 11 Button changes speed 1096 12 1 = Extended mouse mode, 0 = normal mouse mode 1097 13 - 15 unused 0 1098 16 - 23 normal speed 1099 24 - 31 changed speed 1100 1101 Register 1 talk holds version and product identification information. 1102 Register 1 Talk (4 Bytes): 1103 0 - 7 Product code 1104 8 - 23 undefined, reserved 1105 24 - 31 Version number 1106 1107 Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max. 1108 */ 1109 adb_request(&req, NULL, ADBREQ_SYNC, 5, 1110 ADB_WRITEREG(id,1), 1111 0x20, /* alt speed = 0x20 (rather slow) */ 1112 0x00, /* norm speed = 0x00 (fastest) */ 1113 0x10, /* extended protocol, no speed change */ 1114 0x07); /* all buttons enabled as mouse buttons, no locking */ 1115 1116 1117 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1118} 1119 1120static void 1121init_ms_a3(int id) 1122{ 1123 struct adb_request req; 1124 1125 printk(" (Mouse Systems A3 Mouse, or compatible)"); 1126 adb_request(&req, NULL, ADBREQ_SYNC, 3, 1127 ADB_WRITEREG(id, 0x2), 1128 0x00, 1129 0x07); 1130 1131 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 1132} 1133 1134static int __init adbhid_init(void) 1135{ 1136#ifndef CONFIG_MAC 1137 if (!machine_is(chrp) && !machine_is(powermac)) 1138 return 0; 1139#endif 1140 1141 led_request.complete = 1; 1142 1143 adbhid_probe(); 1144 1145 blocking_notifier_chain_register(&adb_client_list, 1146 &adbhid_adb_notifier); 1147 1148 return 0; 1149} 1150 1151static void __exit adbhid_exit(void) 1152{ 1153} 1154 1155module_init(adbhid_init); 1156module_exit(adbhid_exit); 1157