Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 | #include <linux/types.h> #include <linux/sched.h> #include <linux/interrupt.h> #include <linux/errno.h> #include <linux/keyboard.h> #include <linux/delay.h> #include <linux/timer.h> #include <linux/kd.h> #include <linux/random.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/poll.h> #include <linux/miscdevice.h> #include <linux/init.h> #include <asm/setup.h> #include <asm/irq.h> #include <asm/apollohw.h> #include <asm/uaccess.h> extern void handle_scancode(unsigned char); #define DNKEY_CAPS 0x7e #define BREAK_FLAG 0x80 #define DNKEY_REPEAT_DELAY 50 #define DNKEY_CTRL 0x43 #define DNKEY_LSHIFT 0x5e #define DNKEY_RSHIFT 0x6a #define DNKEY_REPT 0x5d #define DNKEY_REPEAT 0x7f #define DNKEY_LALT 0x75 #define DNKEY_RALT 0x77 #define APOLLO_KEYB_CMD_ENTRIES 16 #define APOLLO_KBD_MODE_KEYB 0x01 #define APOLLO_KBD_MODE_MOUSE 0x02 #define APOLLO_KBD_MODE_CHANGE 0xff #define MSE_UPDATE_ON() mouse_update_allowed=1 #define MSE_UPDATE_OFF() mouse_update_allowed=0 static u_char keyb_cmds[APOLLO_KEYB_CMD_ENTRIES]; static short keyb_cmd_read=0, keyb_cmd_write=0; static int keyb_cmd_transmit=0; static unsigned int kbd_mode=APOLLO_KBD_MODE_KEYB; static short mouse_dx,mouse_dy,mouse_buttons; static int mouse_ready=0,mouse_update_allowed=0,mouse_active=0; static DECLARE_WAIT_QUEUE_HEAD(mouse_wait); static struct fasync_struct *mouse_fasyncptr=NULL; #if 0 static void debug_keyb_timer_handler(unsigned long ignored); static u_char debug_buf1[4096],debug_buf2[4096],*debug_buf=&debug_buf1[0]; static u_char *shadow_buf=&debug_buf2[0]; static short debug_buf_count=0; static int debug_buf_overrun=0,debug_timer_running=0,debug_buffer_updated=0; static struct timer_list debug_keyb_timer = { NULL, NULL, 0, 0, debug_keyb_timer_handler }; #endif static u_short dnplain_map[NR_KEYS] __initdata = { /* ins del del F1 F2 F3 F4 mark line char */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, /* F5 F6 F7 F8 F9 F0 Again Read */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, /* Edit Exit Hold Copy Paste Grow ESC */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b, /* 1 2 3 4 5 6 7 8 */ 0xf031, 0xf032, 0xf033, 0xf034, 0xf035, 0xf036, 0xf037, 0xf038, /* 9 0 - = ` Back |<-- Space */ 0xf039, 0xf030, 0xf02d, 0xf03d, 0xf060, 0xf07f, 0xf200, 0xf200, /* Shell -->| Tab q w e Cmd */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf009, 0xfb71, 0xfb77, 0xfb65, /* r t y u i o p [ */ 0xfb72, 0xfb74, 0xfb79, 0xfb75, 0xfb69, 0xfb6f, 0xfb70, 0xf05b, /* ] Del 7 8 9 + */ 0xf05d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a, /* [<--] Up [-->] Ctrl a s */ 0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xfb61, 0xfb73, /* d f g h j k l ; */ 0xfb64, 0xfb66, 0xfb67, 0xfb68, 0xfb6a, 0xfb6b, 0xfb6c, 0xf03b, /* ' Return \ 4 5 6 */ 0xf027, 0xf200, 0xf201, 0xf05c, 0xf200, 0xf304, 0xf305, 0xf306, /* - <-- Next --> Rept Shift Window */ 0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf700, 0xf200, /* z x c v b n m , */ 0xfb7a, 0xfb78, 0xfb63, 0xfb76, 0xfb62, 0xfb6e, 0xfb6d, 0xf02c, /* . / Shift Pop 1 2 */ 0xf02e, 0xf02f, 0xf700, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302, /* 3 PgUp Down PgDn Alt Space Alt */ 0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf020, 0xf701, /* 0 . Enter */ 0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf700, 0xf200, }; static u_short dnshift_map[NR_KEYS] __initdata = { /* ins del del F1 F2 F3 F4 mark line char */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, /* F5 F6 F7 F8 F9 F0 Again Read */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, /* Save Abort Help Cut Undo Grow ESC */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b, /* ! @ # $ % ^ & * */ 0xf021, 0xf040, 0xf023, 0xf024, 0xf025, 0xf05e, 0xf026, 0xf02a, /* ( ) _ + ~ Back |<-- Space */ 0xf028, 0xf029, 0xf05f, 0xf02b, 0xf07e, 0xf07f, 0xf200, 0xf200, /* Shell -->| Tab Q W E Cmd */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf009, 0xfb51, 0xfb57, 0xfb45, /* R T Y U I O P { */ 0xfb52, 0xfb54, 0xfb59, 0xfb55, 0xfb49, 0xfb4f, 0xfb50, 0xf07b, /* } Del 7 8 9 + */ 0xf07d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a, /* [<--] Up [-->] Ctrl A S */ 0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xfb41, 0xfb53, /* D F G H J K L : */ 0xfb44, 0xfb46, 0xfb47, 0xfb48, 0xfb4a, 0xfb4b, 0xfb4c, 0xf03a, /* " Return | 4 5 6 */ 0xf022, 0xf200, 0xf201, 0xf07c, 0xf200, 0xf304, 0xf305, 0xf306, /* - <-- Next --> Rept Shift Window */ 0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf700, 0xf200, /* Z X C V B N M < */ 0xfb5a, 0xfb58, 0xfb43, 0xfb56, 0xfb42, 0xfb4e, 0xfb4d, 0xf03c, /* > ? Shift Pop 1 2 */ 0xf03e, 0xf03f, 0xf700, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302, /* 3 PgUp Down PgDn Alt Space Alt */ 0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf020, 0xf701, /* 0 . Enter */ 0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf708, 0xf200, }; static u_short dnctrl_map[NR_KEYS] __initdata = { /* ins del del F1 F2 F3 F4 mark line char */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, /* F5 F6 F7 F8 F9 F0 Again Read */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, /* Save Abort Help Cut Undo Grow ESC */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b, /* ! @ # $ % ^ & * */ 0xf200, 0xf000, 0xf01b, 0xf01c, 0xf01d, 0xf01e, 0xf01f, 0xf07f, /* ( ) _ + ~ Back |<-- Space */ 0xf200, 0xf200, 0xf01f, 0xf200, 0xf01c, 0xf200, 0xf200, 0xf200, /* Shell -->| Tab Q W E Cmd */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf009, 0xf011, 0xf017, 0xf005, /* R T Y U I O P { */ 0xf012, 0xf014, 0xf019, 0xf015, 0xf009, 0xf00f, 0xf010, 0xf01b, /* } Del 7 8 9 + */ 0xf01d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a, /* [<--] Up [-->] Ctrl A S */ 0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xfb01, 0xfb53, /* D F G H J K L : */ 0xf004, 0xf006, 0xf007, 0xf008, 0xf00a, 0xf00b, 0xf00c, 0xf200, /* " Return | 4 5 6 */ 0xf200, 0xf200, 0xf201, 0xf01c, 0xf200, 0xf304, 0xf305, 0xf306, /* - <-- Next --> Rept Shift Window */ 0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf704, 0xf200, /* Z X C V B N M < */ 0xf01a, 0xf018, 0xf003, 0xf016, 0xf002, 0xf00e, 0xf01d, 0xf03c, /* > ? Shift Pop 1 2 */ 0xf03e, 0xf03f, 0xf705, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302, /* 3 PgUp Down PgDn Alt Space Alt */ 0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf020, 0xf701, /* 0 . Enter */ 0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf200, 0xf200, }; static u_short dnalt_map[NR_KEYS] __initdata = { /* ins del del F1 F2 F3 F4 mark line char */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf500, 0xf501, 0xf502, 0xf503, /* F5 F6 F7 F8 F9 F0 Again Read */ 0xf504, 0xf505, 0xf506, 0xf507, 0xf508, 0xf509, 0xf200, 0xf200, /* Edit Exit Hold Copy Paste Grow ESC */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf01b, /* 1 2 3 4 5 6 7 8 */ 0xf831, 0xf832, 0xf833, 0xf834, 0xf835, 0xf836, 0xf837, 0xf838, /* 9 0 - = ` Back |<-- Space */ 0xf839, 0xf830, 0xf82d, 0xf83d, 0xf860, 0xf87f, 0xf200, 0xf200, /* Shell -->| Tab q w e Cmd */ 0xf200, 0xf200, 0xf200, 0xf200, 0xf809, 0xf871, 0xf877, 0xf865, /* r t y u i o p [ */ 0xf872, 0xf874, 0xf879, 0xf875, 0xf869, 0xf86f, 0xf870, 0xf85b, /* ] Del 7 8 9 + */ 0xf05d, 0xf200, 0xf200, 0xf200, 0xf307, 0xf308, 0xf300, 0xf30a, /* [<--] Up [-->] Ctrl a s */ 0xf200, 0xf600, 0xf200, 0xf702, 0xf200, 0xf200, 0xf861, 0xf873, /* d f g h j k l ; */ 0xf864, 0xf866, 0xf867, 0xf868, 0xf86a, 0xf86b, 0xf86c, 0xf03b, /* ' Return \ 4 5 6 */ 0xf027, 0xf200, 0xf201, 0xf05c, 0xf200, 0xf304, 0xf305, 0xf306, /* - <-- Next --> Rept Shift Window */ 0xf30b, 0xf601, 0xf200, 0xf602, 0xf200, 0xf200, 0xf704, 0xf200, /* z x c v b n m , */ 0xf87a, 0xf878, 0xf863, 0xf876, 0xf862, 0xf86e, 0xf86d, 0xf82c, /* . / Shift Pop 1 2 */ 0xf82e, 0xf82f, 0xf705, 0xf200, 0xf200, 0xf200, 0xf301, 0xf302, /* 3 PgUp Down PgDn Alt Space Alt */ 0xf303, 0xf200, 0xf118, 0xf603, 0xf119, 0xf703, 0xf820, 0xf701, /* 0 . Enter */ 0xf200, 0xf300, 0xf200, 0xf310, 0xf30e, 0xf200, 0xf200, 0xf200, }; static u_short dnaltgr_map[NR_KEYS] __initdata = { 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200 }; static u_short dnshift_ctrl_map[NR_KEYS] __initdata = { 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200 }; static u_short dnctrl_alt_map[NR_KEYS] __initdata = { 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200, 0xf200 }; #if 0 static void debug_keyb_timer_handler(unsigned long ignored) { unsigned long flags; u_char *swap; short length,i; if((jiffies-debug_buffer_updated) > 100) { save_flags(flags); cli(); length=debug_buf_count; swap=debug_buf; debug_buf=shadow_buf; shadow_buf=swap; debug_buf_count=0; debug_timer_running=0; restore_flags(flags); for(i=1;length;length--,i++) printk("%02x%c",*(swap++), (i % 25) ? ' ' : '\n'); printk("\n"); } else { debug_keyb_timer.expires=jiffies+10; add_timer(&debug_keyb_timer); } } #endif static unsigned int mouse_poll(struct file *file, poll_table * wait) { poll_wait(&mouse_wait, wait); if (mouse_ready) return POLLIN | POLLRDNORM; return 0; } static ssize_t write_mouse(struct file * file, const char * buffer, size_t count, loff_t *ppos) { return -EINVAL; } static ssize_t read_mouse(struct file * file, char * buffer, size_t count, loff_t *ppos) { int dx,dy,r; unsigned char buttons; if (count < 3) return -EINVAL; if ((r = verify_area(VERIFY_WRITE, buffer, count))) return r; if (!mouse_ready) return -EAGAIN; MSE_UPDATE_OFF(); dx=mouse_dx; dy=mouse_dy; if (dx < -127) dx = -127; else if (dx > 127) dx = 127; if (dy < -127) dy = -127; else if (dy > 127) dy = 127; buttons=(mouse_buttons & 1 ? 4 : 0) | (mouse_buttons & 2 ? 1 : 0) | (mouse_buttons & 4 ? 2 : 0); mouse_dx-=dx; mouse_dy-=dy; MSE_UPDATE_ON(); if (put_user(buttons | 0x80, buffer++) || put_user((char)dx, buffer++) || put_user((char)dy, buffer++)) return -EINVAL; if (count > 3) if (clear_user(buffer, count - 3)) return -EFAULT; return count; } static int fasync_mouse(int fd, struct file *filp, int on) { int retval; retval = fasync_helper(fd, filp, on, &mouse_fasyncptr); if (retval < 0) return retval; return 0; } static int release_mouse(struct inode * inode, struct file * file) { fasync_mouse(-1, file, 0); if (--mouse_active) return 0; MSE_UPDATE_OFF(); MOD_DEC_USE_COUNT; return 0; } static int open_mouse(struct inode * inode, struct file * file) { if (mouse_active++) return 0; /* * use VBL to poll mouse deltas */ mouse_dx = 0; mouse_dy = 0; mouse_buttons = 0; mouse_active = 1; MOD_INC_USE_COUNT; MSE_UPDATE_ON(); return 0; } static void dn_keyb_process_key_event(unsigned char scancode) { static unsigned char lastscancode; unsigned char prev_scancode=lastscancode; static unsigned int lastkeypress; lastscancode=scancode; /* printk("scan: %02x, lastscan: %02X, prev_scancode: %02X\n",scancode,lastscancode,prev_scancode); */ if(prev_scancode==APOLLO_KBD_MODE_CHANGE) { kbd_mode=scancode; /* printk("modechange: %d\n",scancode);*/ } else if((scancode & (~BREAK_FLAG)) == DNKEY_CAPS) { /* printk("handle_scancode: %02x\n",DNKEY_CAPS); */ handle_scancode(DNKEY_CAPS, 1); /* printk("handle_scancode: %02x\n",BREAK_FLAG | DNKEY_CAPS); */ handle_scancode(DNKEY_CAPS, 0); } else if( (scancode == DNKEY_REPEAT) && (prev_scancode < 0x7e) && !(prev_scancode==DNKEY_CTRL || prev_scancode==DNKEY_LSHIFT || prev_scancode==DNKEY_RSHIFT || prev_scancode==DNKEY_REPT || prev_scancode==DNKEY_LALT || prev_scancode==DNKEY_RALT)) { if(jiffies-lastkeypress > DNKEY_REPEAT_DELAY) { /* printk("handle_scancode: %02x\n",prev_scancode); */ handle_scancode(prev_scancode, 1); } lastscancode=prev_scancode; } else { /* printk("handle_scancode: %02x\n",scancode); */ handle_scancode(scancode & ~BREAK_FLAG, !(scancode & BREAK_FLAG)); lastkeypress=jiffies; } } static void dn_keyb_process_mouse_event(unsigned char mouse_data) { static short mouse_byte_count=0; static u_char mouse_packet[3]; mouse_packet[mouse_byte_count++]=mouse_data; if(mouse_byte_count==3) { if(mouse_packet[0]==APOLLO_KBD_MODE_CHANGE) { kbd_mode=mouse_packet[1]; mouse_byte_count=0; /* printk("modechange: %d\n",mouse_packet[1]); */ if(kbd_mode==APOLLO_KBD_MODE_KEYB) dn_keyb_process_key_event(mouse_packet[2]); } if((mouse_packet[0] & 0x8f) == 0x80) { if(mouse_update_allowed) { mouse_ready=1; mouse_buttons=(mouse_packet[0] >> 4) & 0x7; mouse_dx+=mouse_packet[1] == 0xff ? 0 : (signed char)mouse_packet[1]; mouse_dy+=mouse_packet[2] == 0xff ? 0 : (signed char)mouse_packet[2]; wake_up_interruptible(&mouse_wait); if (mouse_dx < -2048) mouse_dx = -2048; else if (mouse_dx > 2048) mouse_dx = 2048; if (mouse_dy < -2048) mouse_dy = -2048; else if (mouse_dy > 2048) mouse_dy = 2048; if (mouse_fasyncptr) kill_fasync(mouse_fasyncptr, SIGIO); } mouse_byte_count=0; /* printk("mouse: %d, %d, %x\n",mouse_x,mouse_y,buttons); */ } } } static void dn_keyb_int(int irq, void *dummy, struct pt_regs *fp) { unsigned char data; unsigned long flags; int scn2681_ints; do { scn2681_ints=sio01.isr_imr & 3; if(scn2681_ints & 2) { data=sio01.rhra_thra; #if 0 if(debug_buf_count<4096) { debug_buf[debug_buf_count++]=data; debug_buffer_updated=jiffies; if(!debug_timer_running) { add_timer(&debug_keyb_timer); debug_keyb_timer.expires=jiffies+10; debug_timer_running=1; } } else debug_buf_overrun=1; #endif if(sio01.sra_csra & 0x10) { printk("whaa overrun !\n"); continue; } if(kbd_mode==APOLLO_KBD_MODE_KEYB) dn_keyb_process_key_event(data); else dn_keyb_process_mouse_event(data); } if(scn2681_ints & 1) { save_flags(flags); cli(); if(keyb_cmd_write!=keyb_cmd_read) { sio01.rhra_thra=keyb_cmds[keyb_cmd_read++]; if(keyb_cmd_read==APOLLO_KEYB_CMD_ENTRIES) keyb_cmd_read=0; keyb_cmd_transmit=1; } else { keyb_cmd_transmit=0; sio01.BRGtest_cra=9; } restore_flags(flags); } } while(scn2681_ints) ; } void write_keyb_cmd(u_short length, u_char *cmd) { unsigned long flags; if((keyb_cmd_write==keyb_cmd_read) && keyb_cmd_transmit) return; save_flags(flags); cli(); for(;length;length--) { keyb_cmds[keyb_cmd_write++]=*(cmd++); if(keyb_cmd_write==keyb_cmd_read) return; if(keyb_cmd_write==APOLLO_KEYB_CMD_ENTRIES) keyb_cmd_write=0; } if(!keyb_cmd_transmit) { sio01.BRGtest_cra=5; } restore_flags(flags); } struct file_operations apollo_mouse_fops = { NULL, /* mouse_seek */ read_mouse, write_mouse, NULL, /* mouse_readdir */ mouse_poll, /* mouse_poll */ NULL, /* mouse_ioctl */ NULL, /* mouse_mmap */ open_mouse, NULL, /* flush */ release_mouse, NULL, fasync_mouse, }; static struct miscdevice apollo_mouse = { APOLLO_MOUSE_MINOR, "apollomouse", &apollo_mouse_fops }; __initfunc(int dn_keyb_init(void)) { /* printk("dn_keyb_init\n"); */ memcpy(key_maps[0], dnplain_map, sizeof(plain_map)); memcpy(key_maps[1], dnshift_map, sizeof(plain_map)); memcpy(key_maps[2], dnaltgr_map, sizeof(plain_map)); memcpy(key_maps[4], dnctrl_map, sizeof(plain_map)); memcpy(key_maps[5], dnshift_ctrl_map, sizeof(plain_map)); memcpy(key_maps[8], dnalt_map, sizeof(plain_map)); memcpy(key_maps[12], dnctrl_alt_map, sizeof(plain_map)); mouse_dx=0; mouse_dy=0; mouse_buttons=0; mouse_wait=NULL; misc_register(&apollo_mouse); /* program UpDownMode */ while(!(sio01.sra_csra & 0x4)); sio01.rhra_thra=0xff; while(!(sio01.sra_csra & 0x4)); sio01.rhra_thra=0x1; request_irq(1, dn_keyb_int,0,NULL,NULL); /* enable receive int on DUART */ sio01.isr_imr=3; return 0; } int dn_dummy_kbdrate(struct kbd_repeat *k) { printk("dn_dummy_kbdrate\n"); return 0; } |