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 * (see that file for its authors and contributors). 8 * 9 * Copyright (C) 2000 Franz Sirl. 10 * 11 * Adapted to ADB changes and support for more devices by 12 * Benjamin Herrenschmidt. Adapted from code in MkLinux 13 * and reworked. 14 * 15 * Supported devices: 16 * 17 * - Standard 1 button mouse 18 * - All standard Apple Extended protocol (handler ID 4) 19 * - mouseman and trackman mice & trackballs 20 * - PowerBook Trackpad (default setup: enable tapping) 21 * - MicroSpeed mouse & trackball (needs testing) 22 * - CH Products Trackball Pro (needs testing) 23 * - Contour Design (Contour Mouse) 24 * - Hunter digital (NoHandsMouse) 25 * - Kensignton TurboMouse 5 (needs testing) 26 * - Mouse Systems A3 mice and trackballs <aidan@kublai.com> 27 * - MacAlly 2-buttons mouse (needs testing) <pochini@denise.shiny.it> 28 * 29 * To do: 30 * 31 * Improve Kensington support. 32 */ 33 34#include <linux/config.h> 35#include <linux/module.h> 36#include <linux/slab.h> 37#include <linux/init.h> 38#include <linux/notifier.h> 39#include <linux/input.h> 40#include <linux/kbd_ll.h> 41 42#include <linux/adb.h> 43#include <linux/cuda.h> 44#include <linux/pmu.h> 45#ifdef CONFIG_PMAC_BACKLIGHT 46#include <asm/backlight.h> 47#endif 48 49MODULE_AUTHOR("Franz Sirl <Franz.Sirl-kernel@lauterbach.com>"); 50 51#define KEYB_KEYREG 0 /* register # for key up/down data */ 52#define KEYB_LEDREG 2 /* register # for leds on ADB keyboard */ 53#define MOUSE_DATAREG 0 /* reg# for movement/button codes from mouse */ 54 55static int adb_message_handler(struct notifier_block *, unsigned long, void *); 56static struct notifier_block adbhid_adb_notifier = { 57 notifier_call: adb_message_handler, 58}; 59 60unsigned char adb_to_linux_keycodes[128] = { 61 30, 31, 32, 33, 35, 34, 44, 45, 46, 47, 86, 48, 16, 17, 18, 19, 62 21, 20, 2, 3, 4, 5, 7, 6, 13, 10, 8, 12, 9, 11, 27, 24, 63 22, 26, 23, 25, 28, 38, 36, 40, 37, 39, 43, 51, 53, 49, 50, 52, 64 15, 57, 41, 14, 96, 1, 29,125, 42, 58, 56,105,106,108,103, 0, 65 0, 83, 0, 55, 0, 78, 0, 69, 0, 0, 0, 98, 96, 0, 74, 0, 66 0,117, 82, 79, 80, 81, 75, 76, 77, 71, 0, 72, 73,183,181,124, 67 63, 64, 65, 61, 66, 67,191, 87,190, 99, 0, 70, 0, 68,101, 88, 68 0,119,110,102,104,111, 62,107, 60,109, 59, 54,100, 97,116,116 69}; 70 71struct adbhid { 72 struct input_dev input; 73 int id; 74 int default_id; 75 int original_handler_id; 76 int current_handler_id; 77 int mouse_kind; 78 unsigned char *keycode; 79 char name[64]; 80}; 81 82static struct adbhid *adbhid[16] = { 0 }; 83 84static void adbhid_probe(void); 85 86static void adbhid_input_keycode(int, int, int); 87static void leds_done(struct adb_request *); 88 89static void init_trackpad(int id); 90static void init_trackball(int id); 91static void init_turbomouse(int id); 92static void init_microspeed(int id); 93static void init_ms_a3(int id); 94 95static struct adb_ids keyboard_ids; 96static struct adb_ids mouse_ids; 97static struct adb_ids buttons_ids; 98 99#ifdef CONFIG_PMAC_BACKLIGHT 100/* Exported to via-pmu.c */ 101int disable_kernel_backlight = 0; 102#endif /* CONFIG_PMAC_BACKLIGHT */ 103 104/* Kind of keyboard, see Apple technote 1152 */ 105#define ADB_KEYBOARD_UNKNOWN 0 106#define ADB_KEYBOARD_ANSI 0x0100 107#define ADB_KEYBOARD_ISO 0x0200 108#define ADB_KEYBOARD_JIS 0x0300 109 110/* Kind of mouse */ 111#define ADBMOUSE_STANDARD_100 0 /* Standard 100cpi mouse (handler 1) */ 112#define ADBMOUSE_STANDARD_200 1 /* Standard 200cpi mouse (handler 2) */ 113#define ADBMOUSE_EXTENDED 2 /* Apple Extended mouse (handler 4) */ 114#define ADBMOUSE_TRACKBALL 3 /* TrackBall (handler 4) */ 115#define ADBMOUSE_TRACKPAD 4 /* Apple's PowerBook trackpad (handler 4) */ 116#define ADBMOUSE_TURBOMOUSE5 5 /* Turbomouse 5 (previously req. mousehack) */ 117#define ADBMOUSE_MICROSPEED 6 /* Microspeed mouse (&trackball ?), MacPoint */ 118#define ADBMOUSE_TRACKBALLPRO 7 /* Trackball Pro (special buttons) */ 119#define ADBMOUSE_MS_A3 8 /* Mouse systems A3 trackball (handler 3) */ 120#define ADBMOUSE_MACALLY2 9 /* MacAlly 2-button mouse */ 121 122static void 123adbhid_keyboard_input(unsigned char *data, int nb, struct pt_regs *regs, int apoll) 124{ 125 int id = (data[0] >> 4) & 0x0f; 126 127 if (!adbhid[id]) { 128 printk(KERN_ERR "ADB HID on ID %d not yet registered, packet %#02x, %#02x, %#02x, %#02x\n", 129 id, data[0], data[1], data[2], data[3]); 130 return; 131 } 132 133 /* first check this is from register 0 */ 134 if (nb != 3 || (data[0] & 3) != KEYB_KEYREG) 135 return; /* ignore it */ 136 kbd_pt_regs = regs; 137 adbhid_input_keycode(id, data[1], 0); 138 if (!(data[2] == 0xff || (data[2] == 0x7f && data[1] == 0x7f))) 139 adbhid_input_keycode(id, data[2], 0); 140} 141 142static void 143adbhid_input_keycode(int id, int keycode, int repeat) 144{ 145 int up_flag; 146 147 up_flag = (keycode & 0x80); 148 keycode &= 0x7f; 149 150 switch (keycode) { 151 case 0x39: /* Generate down/up events for CapsLock everytime. */ 152 input_report_key(&adbhid[id]->input, KEY_CAPSLOCK, 1); 153 input_report_key(&adbhid[id]->input, KEY_CAPSLOCK, 0); 154 return; 155 case 0x3f: /* ignore Powerbook Fn key */ 156 return; 157 } 158 159 if (adbhid[id]->keycode[keycode]) 160 input_report_key(&adbhid[id]->input, 161 adbhid[id]->keycode[keycode], !up_flag); 162 else 163 printk(KERN_INFO "Unhandled ADB key (scancode %#02x) %s.\n", keycode, 164 up_flag ? "released" : "pressed"); 165} 166 167static void 168adbhid_mouse_input(unsigned char *data, int nb, struct pt_regs *regs, int autopoll) 169{ 170 int id = (data[0] >> 4) & 0x0f; 171 172 if (!adbhid[id]) { 173 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); 174 return; 175 } 176 177 /* 178 Handler 1 -- 100cpi original Apple mouse protocol. 179 Handler 2 -- 200cpi original Apple mouse protocol. 180 181 For Apple's standard one-button mouse protocol the data array will 182 contain the following values: 183 184 BITS COMMENTS 185 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 186 data[1] = bxxx xxxx First button and x-axis motion. 187 data[2] = byyy yyyy Second button and y-axis motion. 188 189 Handler 4 -- Apple Extended mouse protocol. 190 191 For Apple's 3-button mouse protocol the data array will contain the 192 following values: 193 194 BITS COMMENTS 195 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 196 data[1] = bxxx xxxx Left button and x-axis motion. 197 data[2] = byyy yyyy Second button and y-axis motion. 198 data[3] = byyy bxxx Third button and fourth button. Y is additional 199 high bits of y-axis motion. XY is additional 200 high bits of x-axis motion. 201 202 MacAlly 2-button mouse protocol. 203 204 For MacAlly 2-button mouse protocol the data array will contain the 205 following values: 206 207 BITS COMMENTS 208 data[0] = dddd 1100 ADB command: Talk, register 0, for device dddd. 209 data[1] = bxxx xxxx Left button and x-axis motion. 210 data[2] = byyy yyyy Right button and y-axis motion. 211 data[3] = ???? ???? unknown 212 data[4] = ???? ???? unknown 213 214 */ 215 216 /* If it's a trackpad, we alias the second button to the first. 217 NOTE: Apple sends an ADB flush command to the trackpad when 218 the first (the real) button is released. We could do 219 this here using async flush requests. 220 */ 221 switch (adbhid[id]->mouse_kind) 222 { 223 case ADBMOUSE_TRACKPAD: 224 data[1] = (data[1] & 0x7f) | ((data[1] & data[2]) & 0x80); 225 data[2] = data[2] | 0x80; 226 break; 227 case ADBMOUSE_MICROSPEED: 228 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 229 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 230 data[3] = (data[3] & 0x77) | ((data[3] & 0x04) << 5) 231 | (data[3] & 0x08); 232 break; 233 case ADBMOUSE_TRACKBALLPRO: 234 data[1] = (data[1] & 0x7f) | (((data[3] & 0x04) << 5) 235 & ((data[3] & 0x08) << 4)); 236 data[2] = (data[2] & 0x7f) | ((data[3] & 0x01) << 7); 237 data[3] = (data[3] & 0x77) | ((data[3] & 0x02) << 6); 238 break; 239 case ADBMOUSE_MS_A3: 240 data[1] = (data[1] & 0x7f) | ((data[3] & 0x01) << 7); 241 data[2] = (data[2] & 0x7f) | ((data[3] & 0x02) << 6); 242 data[3] = ((data[3] & 0x04) << 5); 243 break; 244 case ADBMOUSE_MACALLY2: 245 data[3] = (data[2] & 0x80) ? 0x80 : 0x00; 246 data[2] |= 0x80; /* Right button is mapped as button 3 */ 247 nb=4; 248 break; 249 } 250 251 input_report_key(&adbhid[id]->input, BTN_LEFT, !((data[1] >> 7) & 1)); 252 input_report_key(&adbhid[id]->input, BTN_MIDDLE, !((data[2] >> 7) & 1)); 253 254 if (nb >= 4) 255 input_report_key(&adbhid[id]->input, BTN_RIGHT, !((data[3] >> 7) & 1)); 256 257 input_report_rel(&adbhid[id]->input, REL_X, 258 ((data[2]&0x7f) < 64 ? (data[2]&0x7f) : (data[2]&0x7f)-128 )); 259 input_report_rel(&adbhid[id]->input, REL_Y, 260 ((data[1]&0x7f) < 64 ? (data[1]&0x7f) : (data[1]&0x7f)-128 )); 261} 262 263static void 264adbhid_buttons_input(unsigned char *data, int nb, struct pt_regs *regs, int autopoll) 265{ 266 int id = (data[0] >> 4) & 0x0f; 267 268 if (!adbhid[id]) { 269 printk(KERN_ERR "ADB HID on ID %d not yet registered\n", id); 270 return; 271 } 272 273 switch (adbhid[id]->original_handler_id) { 274 default: 275 case 0x02: /* Adjustable keyboard button device */ 276 printk(KERN_INFO "Unhandled ADB_MISC event %02x, %02x, %02x, %02x\n", 277 data[0], data[1], data[2], data[3]); 278 break; 279 case 0x1f: /* Powerbook button device */ 280 { 281 int down = (data[1] == (data[1] & 0xf)); 282#ifdef CONFIG_PMAC_BACKLIGHT 283 int backlight = get_backlight_level(); 284#endif 285 286 switch (data[1] & 0x0f) { 287 case 0x8: /* mute */ 288 input_report_key(&adbhid[id]->input, KEY_MUTE, down); 289 break; 290 291 case 0x7: /* volume decrease */ 292 input_report_key(&adbhid[id]->input, KEY_VOLUMEDOWN, down); 293 break; 294 295 case 0x6: /* volume increase */ 296 input_report_key(&adbhid[id]->input, KEY_VOLUMEUP, down); 297 break; 298 299 case 0xb: /* eject */ 300 input_report_key(&adbhid[id]->input, KEY_EJECTCD, down); 301 break; 302 case 0xa: /* brightness decrease */ 303#ifdef CONFIG_PMAC_BACKLIGHT 304 if (!disable_kernel_backlight) { 305 if (!down || backlight < 0) 306 break; 307 if (backlight > BACKLIGHT_OFF) 308 set_backlight_level(backlight-1); 309 else 310 set_backlight_level(BACKLIGHT_OFF); 311 break; 312 } 313#endif /* CONFIG_PMAC_BACKLIGHT */ 314 input_report_key(&adbhid[id]->input, KEY_BRIGHTNESSDOWN, down); 315 break; 316 case 0x9: /* brightness increase */ 317#ifdef CONFIG_PMAC_BACKLIGHT 318 if (!disable_kernel_backlight) { 319 if (!down || backlight < 0) 320 break; 321 if (backlight < BACKLIGHT_MAX) 322 set_backlight_level(backlight+1); 323 else 324 set_backlight_level(BACKLIGHT_MAX); 325 break; 326 } 327#endif /* CONFIG_PMAC_BACKLIGHT */ 328 input_report_key(&adbhid[id]->input, KEY_BRIGHTNESSUP, down); 329 break; 330 } 331 } 332 break; 333 } 334} 335 336static struct adb_request led_request; 337static int leds_pending[16]; 338static int pending_devs[16]; 339static int pending_led_start=0; 340static int pending_led_end=0; 341 342static void real_leds(unsigned char leds, int device) 343{ 344 if (led_request.complete) { 345 adb_request(&led_request, leds_done, 0, 3, 346 ADB_WRITEREG(device, KEYB_LEDREG), 0xff, 347 ~leds); 348 } else { 349 if (!(leds_pending[device] & 0x100)) { 350 pending_devs[pending_led_end] = device; 351 pending_led_end++; 352 pending_led_end = (pending_led_end < 16) ? pending_led_end : 0; 353 } 354 leds_pending[device] = leds | 0x100; 355 } 356} 357 358/* 359 * Event callback from the input module. Events that change the state of 360 * the hardware are processed here. 361 */ 362static int adbhid_kbd_event(struct input_dev *dev, unsigned int type, unsigned int code, int value) 363{ 364 struct adbhid *adbhid = dev->private; 365 unsigned char leds; 366 367 switch (type) { 368 case EV_LED: 369 leds = (test_bit(LED_SCROLLL, dev->led) ? 4 : 0) 370 | (test_bit(LED_NUML, dev->led) ? 1 : 0) 371 | (test_bit(LED_CAPSL, dev->led) ? 2 : 0); 372 real_leds(leds, adbhid->id); 373 return 0; 374 } 375 376 return -1; 377} 378 379static void leds_done(struct adb_request *req) 380{ 381 int leds,device; 382 383 if (pending_led_start != pending_led_end) { 384 device = pending_devs[pending_led_start]; 385 leds = leds_pending[device] & 0xff; 386 leds_pending[device] = 0; 387 pending_led_start++; 388 pending_led_start = (pending_led_start < 16) ? pending_led_start : 0; 389 real_leds(leds,device); 390 } 391 392} 393 394static int 395adb_message_handler(struct notifier_block *this, unsigned long code, void *x) 396{ 397 unsigned long flags; 398 399 switch (code) { 400 case ADB_MSG_PRE_RESET: 401 case ADB_MSG_POWERDOWN: 402 /* Stop the repeat timer. Autopoll is already off at this point */ 403 save_flags(flags); 404 cli(); 405 { 406 int i; 407 for (i = 1; i < 16; i++) { 408 if (adbhid[i]) 409 del_timer(&adbhid[i]->input.timer); 410 } 411 } 412 restore_flags(flags); 413 414 /* Stop pending led requests */ 415 while(!led_request.complete) 416 adb_poll(); 417 break; 418 419 case ADB_MSG_POST_RESET: 420 adbhid_probe(); 421 break; 422 } 423 return NOTIFY_DONE; 424} 425 426static void 427adbhid_input_register(int id, int default_id, int original_handler_id, 428 int current_handler_id, int mouse_kind) 429{ 430 int i; 431 432 if (adbhid[id]) { 433 printk(KERN_ERR "Trying to reregister ADB HID on ID %d\n", id); 434 return; 435 } 436 437 if (!(adbhid[id] = kmalloc(sizeof(struct adbhid), GFP_KERNEL))) 438 return; 439 440 memset(adbhid[id], 0, sizeof(struct adbhid)); 441 442 adbhid[id]->id = default_id; 443 adbhid[id]->original_handler_id = original_handler_id; 444 adbhid[id]->current_handler_id = current_handler_id; 445 adbhid[id]->mouse_kind = mouse_kind; 446 adbhid[id]->input.private = adbhid[id]; 447 adbhid[id]->input.name = adbhid[id]->name; 448 adbhid[id]->input.idbus = BUS_ADB; 449 adbhid[id]->input.idvendor = 0x0001; 450 adbhid[id]->input.idproduct = (id << 12) | (default_id << 8) | original_handler_id; 451 adbhid[id]->input.idversion = 0x0100; 452 453 switch (default_id) { 454 case ADB_KEYBOARD: 455 if (!(adbhid[id]->keycode = kmalloc(sizeof(adb_to_linux_keycodes), GFP_KERNEL))) { 456 kfree(adbhid[id]); 457 return; 458 } 459 460 sprintf(adbhid[id]->name, "ADB keyboard on ID %d:%d.%02x", 461 id, default_id, original_handler_id); 462 463 memcpy(adbhid[id]->keycode, adb_to_linux_keycodes, sizeof(adb_to_linux_keycodes)); 464 465 printk(KERN_INFO "Detected ADB keyboard, type "); 466 switch (original_handler_id) { 467 default: 468 printk("<unknown>.\n"); 469 adbhid[id]->input.idversion = ADB_KEYBOARD_UNKNOWN; 470 break; 471 472 case 0x01: case 0x02: case 0x03: case 0x06: case 0x08: 473 case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C: 474 case 0xC0: case 0xC3: case 0xC6: 475 printk("ANSI.\n"); 476 adbhid[id]->input.idversion = ADB_KEYBOARD_ANSI; 477 break; 478 479 case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D: 480 case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1: 481 case 0xC4: case 0xC7: 482 printk("ISO, swapping keys.\n"); 483 adbhid[id]->input.idversion = ADB_KEYBOARD_ISO; 484 i = adbhid[id]->keycode[10]; 485 adbhid[id]->keycode[10] = adbhid[id]->keycode[50]; 486 adbhid[id]->keycode[50] = i; 487 break; 488 489 case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A: 490 case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9: 491 printk("JIS.\n"); 492 adbhid[id]->input.idversion = ADB_KEYBOARD_JIS; 493 break; 494 } 495 496 for (i = 0; i < 128; i++) 497 if (adbhid[id]->keycode[i]) 498 set_bit(adbhid[id]->keycode[i], adbhid[id]->input.keybit); 499 500 adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_LED) | BIT(EV_REP); 501 adbhid[id]->input.ledbit[0] = BIT(LED_SCROLLL) | BIT(LED_CAPSL) | BIT(LED_NUML); 502 adbhid[id]->input.event = adbhid_kbd_event; 503 adbhid[id]->input.keycodemax = 127; 504 adbhid[id]->input.keycodesize = 1; 505 break; 506 507 case ADB_MOUSE: 508 sprintf(adbhid[id]->name, "ADB mouse on ID %d:%d.%02x", 509 id, default_id, original_handler_id); 510 511 adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REL); 512 adbhid[id]->input.keybit[LONG(BTN_MOUSE)] = BIT(BTN_LEFT) | BIT(BTN_MIDDLE) | BIT(BTN_RIGHT); 513 adbhid[id]->input.relbit[0] = BIT(REL_X) | BIT(REL_Y); 514 break; 515 516 case ADB_MISC: 517 switch (original_handler_id) { 518 case 0x02: /* Adjustable keyboard button device */ 519 sprintf(adbhid[id]->name, "ADB adjustable keyboard buttons on ID %d:%d.%02x", 520 id, default_id, original_handler_id); 521 break; 522 case 0x1f: /* Powerbook button device */ 523 sprintf(adbhid[id]->name, "ADB Powerbook buttons on ID %d:%d.%02x", 524 id, default_id, original_handler_id); 525 adbhid[id]->input.evbit[0] = BIT(EV_KEY) | BIT(EV_REP); 526 set_bit(KEY_MUTE, adbhid[id]->input.keybit); 527 set_bit(KEY_VOLUMEUP, adbhid[id]->input.keybit); 528 set_bit(KEY_VOLUMEDOWN, adbhid[id]->input.keybit); 529 set_bit(KEY_BRIGHTNESSUP, adbhid[id]->input.keybit); 530 set_bit(KEY_BRIGHTNESSDOWN, adbhid[id]->input.keybit); 531 set_bit(KEY_EJECTCD, adbhid[id]->input.keybit); 532 break; 533 } 534 if (adbhid[id]->name[0]) 535 break; 536 /* else fall through */ 537 538 default: 539 printk(KERN_INFO "Trying to register unknown ADB device to input layer.\n"); 540 kfree(adbhid[id]); 541 return; 542 } 543 544 adbhid[id]->input.keycode = adbhid[id]->keycode; 545 546 input_register_device(&adbhid[id]->input); 547 548 printk(KERN_INFO "input%d: ADB HID on ID %d:%d.%02x\n", 549 adbhid[id]->input.number, id, default_id, original_handler_id); 550 551 if (default_id == ADB_KEYBOARD) { 552 /* HACK WARNING!! This should go away as soon there is an utility 553 * to control that for event devices. 554 */ 555 adbhid[id]->input.rep[REP_DELAY] = HZ/2; /* input layer default: HZ/4 */ 556 adbhid[id]->input.rep[REP_PERIOD] = HZ/15; /* input layer default: HZ/33 */ 557 } 558} 559 560static void adbhid_input_unregister(int id) 561{ 562 input_unregister_device(&adbhid[id]->input); 563 if (adbhid[id]->keycode) 564 kfree(adbhid[id]->keycode); 565 kfree(adbhid[id]); 566 adbhid[id] = 0; 567} 568 569 570static u16 571adbhid_input_reregister(int id, int default_id, int org_handler_id, 572 int cur_handler_id, int mk) 573{ 574 if (adbhid[id]) { 575 if (adbhid[id]->input.idproduct != 576 ((id << 12)|(default_id << 8)|org_handler_id)) { 577 adbhid_input_unregister(id); 578 adbhid_input_register(id, default_id, org_handler_id, 579 cur_handler_id, mk); 580 } 581 } else 582 adbhid_input_register(id, default_id, org_handler_id, 583 cur_handler_id, mk); 584 return 1<<id; 585} 586 587static void 588adbhid_input_devcleanup(u16 exist) 589{ 590 int i; 591 for(i=1; i<16; i++) 592 if (adbhid[i] && !(exist&(1<<i))) 593 adbhid_input_unregister(i); 594} 595 596static void 597adbhid_probe(void) 598{ 599 struct adb_request req; 600 int i, default_id, org_handler_id, cur_handler_id; 601 u16 reg = 0; 602 603 adb_register(ADB_MOUSE, 0, &mouse_ids, adbhid_mouse_input); 604 adb_register(ADB_KEYBOARD, 0, &keyboard_ids, adbhid_keyboard_input); 605 adb_register(ADB_MISC, 0, &buttons_ids, adbhid_buttons_input); 606 607 for (i = 0; i < keyboard_ids.nids; i++) { 608 int id = keyboard_ids.id[i]; 609 610 adb_get_infos(id, &default_id, &org_handler_id); 611 612 /* turn off all leds */ 613 adb_request(&req, NULL, ADBREQ_SYNC, 3, 614 ADB_WRITEREG(id, KEYB_LEDREG), 0xff, 0xff); 615 616 /* Enable full feature set of the keyboard 617 ->get it to send separate codes for left and right shift, 618 control, option keys */ 619 if (adb_try_handler_change(id, 3)) 620 printk("ADB keyboard at %d, handler set to 3\n", id); 621 else 622 printk("ADB keyboard at %d, handler 1\n", id); 623 624 adb_get_infos(id, &default_id, &cur_handler_id); 625 reg |= adbhid_input_reregister(id, default_id, org_handler_id, cur_handler_id, 0); 626 } 627 628 for (i = 0; i < buttons_ids.nids; i++) { 629 int id = buttons_ids.id[i]; 630 631 adb_get_infos(id, &default_id, &org_handler_id); 632 reg |= adbhid_input_reregister(id, default_id, org_handler_id, org_handler_id, 0); 633 } 634 635 /* Try to switch all mice to handler 4, or 2 for three-button 636 mode and full resolution. */ 637 for (i = 0; i < mouse_ids.nids; i++) { 638 int id = mouse_ids.id[i]; 639 int mouse_kind; 640 641 adb_get_infos(id, &default_id, &org_handler_id); 642 643 if (adb_try_handler_change(id, 4)) { 644 printk("ADB mouse at %d, handler set to 4", id); 645 mouse_kind = ADBMOUSE_EXTENDED; 646 } 647 else if (adb_try_handler_change(id, 0x2F)) { 648 printk("ADB mouse at %d, handler set to 0x2F", id); 649 mouse_kind = ADBMOUSE_MICROSPEED; 650 } 651 else if (adb_try_handler_change(id, 0x42)) { 652 printk("ADB mouse at %d, handler set to 0x42", id); 653 mouse_kind = ADBMOUSE_TRACKBALLPRO; 654 } 655 else if (adb_try_handler_change(id, 0x66)) { 656 printk("ADB mouse at %d, handler set to 0x66", id); 657 mouse_kind = ADBMOUSE_MICROSPEED; 658 } 659 else if (adb_try_handler_change(id, 0x5F)) { 660 printk("ADB mouse at %d, handler set to 0x5F", id); 661 mouse_kind = ADBMOUSE_MICROSPEED; 662 } 663 else if (adb_try_handler_change(id, 3)) { 664 printk("ADB mouse at %d, handler set to 3", id); 665 mouse_kind = ADBMOUSE_MS_A3; 666 } 667 else if (adb_try_handler_change(id, 2)) { 668 printk("ADB mouse at %d, handler set to 2", id); 669 mouse_kind = ADBMOUSE_STANDARD_200; 670 } 671 else { 672 printk("ADB mouse at %d, handler 1", id); 673 mouse_kind = ADBMOUSE_STANDARD_100; 674 } 675 676 if ((mouse_kind == ADBMOUSE_TRACKBALLPRO) 677 || (mouse_kind == ADBMOUSE_MICROSPEED)) { 678 init_microspeed(id); 679 } else if (mouse_kind == ADBMOUSE_MS_A3) { 680 init_ms_a3(id); 681 } else if (mouse_kind == ADBMOUSE_EXTENDED) { 682 /* 683 * Register 1 is usually used for device 684 * identification. Here, we try to identify 685 * a known device and call the appropriate 686 * init function. 687 */ 688 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 689 ADB_READREG(id, 1)); 690 691 if ((req.reply_len) && 692 (req.reply[1] == 0x9a) && ((req.reply[2] == 0x21) 693 || (req.reply[2] == 0x20))) { 694 mouse_kind = ADBMOUSE_TRACKBALL; 695 init_trackball(id); 696 } 697 else if ((req.reply_len >= 4) && 698 (req.reply[1] == 0x74) && (req.reply[2] == 0x70) && 699 (req.reply[3] == 0x61) && (req.reply[4] == 0x64)) { 700 mouse_kind = ADBMOUSE_TRACKPAD; 701 init_trackpad(id); 702 } 703 else if ((req.reply_len >= 4) && 704 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4d) && 705 (req.reply[3] == 0x4c) && (req.reply[4] == 0x31)) { 706 mouse_kind = ADBMOUSE_TURBOMOUSE5; 707 init_turbomouse(id); 708 } 709 else if ((req.reply_len == 9) && 710 (req.reply[1] == 0x4b) && (req.reply[2] == 0x4f) && 711 (req.reply[3] == 0x49) && (req.reply[4] == 0x54)) { 712 if (adb_try_handler_change(id, 0x42)) { 713 printk("\nADB MacAlly 2-button mouse at %d, handler set to 0x42", id); 714 mouse_kind = ADBMOUSE_MACALLY2; 715 } 716 } 717 } 718 printk("\n"); 719 720 adb_get_infos(id, &default_id, &cur_handler_id); 721 reg |= adbhid_input_reregister(id, default_id, org_handler_id, 722 cur_handler_id, mouse_kind); 723 } 724 adbhid_input_devcleanup(reg); 725} 726 727static void 728init_trackpad(int id) 729{ 730 struct adb_request req; 731 unsigned char r1_buffer[8]; 732 733 printk(" (trackpad)"); 734 735 adb_request(&req, NULL, ADBREQ_SYNC | ADBREQ_REPLY, 1, 736 ADB_READREG(id,1)); 737 if (req.reply_len < 8) 738 printk("bad length for reg. 1\n"); 739 else 740 { 741 memcpy(r1_buffer, &req.reply[1], 8); 742 743 adb_request(&req, NULL, ADBREQ_SYNC, 9, 744 ADB_WRITEREG(id,1), 745 r1_buffer[0], 746 r1_buffer[1], 747 r1_buffer[2], 748 r1_buffer[3], 749 r1_buffer[4], 750 r1_buffer[5], 751 0x0d, 752 r1_buffer[7]); 753 754 adb_request(&req, NULL, ADBREQ_SYNC, 9, 755 ADB_WRITEREG(id,2), 756 0x99, 757 0x94, 758 0x19, 759 0xff, 760 0xb2, 761 0x8a, 762 0x1b, 763 0x50); 764 765 adb_request(&req, NULL, ADBREQ_SYNC, 9, 766 ADB_WRITEREG(id,1), 767 r1_buffer[0], 768 r1_buffer[1], 769 r1_buffer[2], 770 r1_buffer[3], 771 r1_buffer[4], 772 r1_buffer[5], 773 0x03, /*r1_buffer[6],*/ 774 r1_buffer[7]); 775 776 /* Without this flush, the trackpad may be locked up */ 777 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 778 } 779} 780 781static void 782init_trackball(int id) 783{ 784 struct adb_request req; 785 786 printk(" (trackman/mouseman)"); 787 788 adb_request(&req, NULL, ADBREQ_SYNC, 3, 789 ADB_WRITEREG(id,1), 00,0x81); 790 791 adb_request(&req, NULL, ADBREQ_SYNC, 3, 792 ADB_WRITEREG(id,1), 01,0x81); 793 794 adb_request(&req, NULL, ADBREQ_SYNC, 3, 795 ADB_WRITEREG(id,1), 02,0x81); 796 797 adb_request(&req, NULL, ADBREQ_SYNC, 3, 798 ADB_WRITEREG(id,1), 03,0x38); 799 800 adb_request(&req, NULL, ADBREQ_SYNC, 3, 801 ADB_WRITEREG(id,1), 00,0x81); 802 803 adb_request(&req, NULL, ADBREQ_SYNC, 3, 804 ADB_WRITEREG(id,1), 01,0x81); 805 806 adb_request(&req, NULL, ADBREQ_SYNC, 3, 807 ADB_WRITEREG(id,1), 02,0x81); 808 809 adb_request(&req, NULL, ADBREQ_SYNC, 3, 810 ADB_WRITEREG(id,1), 03,0x38); 811} 812 813static void 814init_turbomouse(int id) 815{ 816 struct adb_request req; 817 818 printk(" (TurboMouse 5)"); 819 820 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 821 822 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 823 824 adb_request(&req, NULL, ADBREQ_SYNC, 9, 825 ADB_WRITEREG(3,2), 826 0xe7, 827 0x8c, 828 0, 829 0, 830 0, 831 0xff, 832 0xff, 833 0x94); 834 835 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(3)); 836 837 adb_request(&req, NULL, ADBREQ_SYNC, 9, 838 ADB_WRITEREG(3,2), 839 0xa5, 840 0x14, 841 0, 842 0, 843 0x69, 844 0xff, 845 0xff, 846 0x27); 847} 848 849static void 850init_microspeed(int id) 851{ 852 struct adb_request req; 853 854 printk(" (Microspeed/MacPoint or compatible)"); 855 856 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 857 858 /* This will initialize mice using the Microspeed, MacPoint and 859 other compatible firmware. Bit 12 enables extended protocol. 860 861 Register 1 Listen (4 Bytes) 862 0 - 3 Button is mouse (set also for double clicking!!!) 863 4 - 7 Button is locking (affects change speed also) 864 8 - 11 Button changes speed 865 12 1 = Extended mouse mode, 0 = normal mouse mode 866 13 - 15 unused 0 867 16 - 23 normal speed 868 24 - 31 changed speed 869 870 Register 1 talk holds version and product identification information. 871 Register 1 Talk (4 Bytes): 872 0 - 7 Product code 873 8 - 23 undefined, reserved 874 24 - 31 Version number 875 876 Speed 0 is max. 1 to 255 set speed in increments of 1/256 of max. 877 */ 878 adb_request(&req, NULL, ADBREQ_SYNC, 5, 879 ADB_WRITEREG(id,1), 880 0x20, /* alt speed = 0x20 (rather slow) */ 881 0x00, /* norm speed = 0x00 (fastest) */ 882 0x10, /* extended protocol, no speed change */ 883 0x07); /* all buttons enabled as mouse buttons, no locking */ 884 885 886 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 887} 888 889static void 890init_ms_a3(int id) 891{ 892 struct adb_request req; 893 894 printk(" (Mouse Systems A3 Mouse, or compatible)"); 895 adb_request(&req, NULL, ADBREQ_SYNC, 3, 896 ADB_WRITEREG(id, 0x2), 897 0x00, 898 0x07); 899 900 adb_request(&req, NULL, ADBREQ_SYNC, 1, ADB_FLUSH(id)); 901} 902 903static int __init adbhid_init(void) 904{ 905#ifndef CONFIG_MAC 906 if ( (_machine != _MACH_chrp) && (_machine != _MACH_Pmac) ) 907 return 0; 908#endif 909 910 led_request.complete = 1; 911 912 adbhid_probe(); 913 914 notifier_chain_register(&adb_client_list, &adbhid_adb_notifier); 915 916 return 0; 917} 918 919static void __exit adbhid_exit(void) 920{ 921} 922 923module_init(adbhid_init); 924module_exit(adbhid_exit); 925