1 /*- 2 * Copyright (c) 1992, 1993 Erik Forsberg. 3 * Copyright (c) 1996, 1997 Kazutaka YOKOTA. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 * 23 * $Id: psm.c,v 1.1 1998/11/08 18:43:03 dfr Exp $ 24 */ 25 26 /* 27 * Ported to 386bsd Oct 17, 1992 28 * Sandi Donno, Computer Science, University of Cape Town, South Africa 29 * Please send bug reports to sandi@cs.uct.ac.za 30 * 31 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 32 * although I was only partially successful in getting the alpha release 33 * of his "driver for the Logitech and ATI Inport Bus mice for use with 34 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 35 * found his code to be an invaluable reference when porting this driver 36 * to 386bsd. 37 * 38 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 39 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 40 * 41 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 42 * Andrew Herbert - 12 June 1993 43 * 44 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 45 * - 13 June 1993 46 * 47 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 48 * - 24 October 1993 49 * 50 * Hardware access routines and probe logic rewritten by 51 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 52 * - 3, 14, 22 October 1996. 53 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 54 * - 14, 30 November 1996. Uses `kbdio.c'. 55 * - 13 December 1996. Uses queuing version of `kbdio.c'. 56 * - January/February 1997. Tweaked probe logic for 57 * HiNote UltraII/Latitude/Armada laptops. 58 * - 30 July 1997. Added APM support. 59 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 60 * Improved sync check logic. 61 * Vendor specific support routines. 62 */ 63 64 #include "psm.h" 65 #include "opt_devfs.h" 66 #include "opt_psm.h" 67 68 #if NPSM > 0 69 70 #include <sys/param.h> 71 #include <sys/systm.h> 72 #include <sys/kernel.h> 73 #include <sys/module.h> 74 #include <sys/bus.h> 75 #include <sys/conf.h> 76 #include <sys/poll.h> 77 #include <sys/syslog.h> 78 #include <sys/malloc.h> 79 #include <sys/rman.h> 80 #ifdef DEVFS 81 #include <sys/devfsext.h> 82 #endif 83 #include <sys/select.h> 84 #include <sys/uio.h> 85 86 #include <machine/clock.h> 87 #include <machine/limits.h> 88 #include <machine/mouse.h> 89 #include <machine/resource.h> 90 91 #include <isa/isareg.h> 92 #include <isa/isavar.h> 93 #include <isa/kbdio.h> 94 95 /* 96 * Driver specific options: the following options may be set by 97 * `options' statements in the kernel configuration file. 98 */ 99 100 /* debugging */ 101 #ifndef PSM_DEBUG 102 #define PSM_DEBUG 0 /* logging: 0: none, 1: brief, 2: verbose */ 103 #endif 104 105 /* features */ 106 107 /* #define PSM_HOOKAPM hook the APM resume event */ 108 /* #define PSM_RESETAFTERSUSPEND reset the device at the resume event */ 109 110 #if NAPM <= 0 111 #undef PSM_HOOKAPM 112 #endif /* NAPM */ 113 114 #ifndef PSM_HOOKAPM 115 #undef PSM_RESETAFTERSUSPEND 116 #endif /* PSM_HOOKAPM */ 117 118 /* end of driver specific options */ 119 120 /* input queue */ 121 #define PSM_BUFSIZE 960 122 #define PSM_SMALLBUFSIZE 240 123 124 /* operation levels */ 125 #define PSM_LEVEL_BASE 0 126 #define PSM_LEVEL_STANDARD 1 127 #define PSM_LEVEL_NATIVE 2 128 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 129 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 130 131 /* some macros */ 132 #define PSM_UNIT(dev) (minor(dev) >> 1) 133 #define PSM_NBLOCKIO(dev) (minor(dev) & 1) 134 #define PSM_MKMINOR(unit,block) (((unit) << 1) | ((block) ? 0:1)) 135 136 #ifndef max 137 #define max(x,y) ((x) > (y) ? (x) : (y)) 138 #endif 139 #ifndef min 140 #define min(x,y) ((x) < (y) ? (x) : (y)) 141 #endif 142 143 /* ring buffer */ 144 typedef struct ringbuf { 145 int count; /* # of valid elements in the buffer */ 146 int head; /* head pointer */ 147 int tail; /* tail poiner */ 148 unsigned char buf[PSM_BUFSIZE]; 149 } ringbuf_t; 150 151 /* driver control block */ 152 struct psm_softc { /* Driver status information */ 153 struct selinfo rsel; /* Process selecting for Input */ 154 unsigned char state; /* Mouse driver state */ 155 int config; /* driver configuration flags */ 156 int flags; /* other flags */ 157 KBDC kbdc; /* handle to access the keyboard controller */ 158 int addr; /* I/O port address */ 159 mousehw_t hw; /* hardware information */ 160 mousemode_t mode; /* operation mode */ 161 mousemode_t dflt_mode; /* default operation mode */ 162 mousestatus_t status; /* accumulated mouse movement */ 163 ringbuf_t queue; /* mouse status queue */ 164 unsigned char ipacket[16]; /* interim input buffer */ 165 int inputbytes; /* # of bytes in the input buffer */ 166 int button; /* the latest button state */ 167 #ifdef DEVFS 168 void *devfs_token; 169 void *b_devfs_token; 170 #endif 171 #ifdef PSM_HOOKAPM 172 struct apmhook resumehook; 173 #endif 174 }; 175 devclass_t psm_devclass; 176 #define PSM_SOFTC(unit) ((struct psm_softc*)devclass_get_softc(psm_devclass, unit)) 177 178 /* driver state flags (state) */ 179 #define PSM_VALID 0x80 180 #define PSM_OPEN 1 /* Device is open */ 181 #define PSM_ASLP 2 /* Waiting for mouse data */ 182 183 /* driver configuration flags (config) */ 184 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 185 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 186 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 187 188 #define PSM_CONFIG_FLAGS (PSM_CONFIG_RESOLUTION \ 189 | PSM_CONFIG_ACCEL \ 190 | PSM_CONFIG_NOCHECKSYNC) 191 192 /* other flags (flags) */ 193 /* 194 * Pass mouse data packet to the user land program `as is', even if 195 * the mouse has vendor-specific enhanced features and uses non-standard 196 * packet format. Otherwise manipulate the mouse data packet so that 197 * it can be recognized by the programs which can only understand 198 * the standard packet format. 199 */ 200 #define PSM_FLAGS_NATIVEMODE 0x0200 201 202 /* for backward compatibility */ 203 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 204 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 205 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 206 207 typedef struct old_mousehw { 208 int buttons; 209 int iftype; 210 int type; 211 int hwid; 212 } old_mousehw_t; 213 214 typedef struct old_mousemode { 215 int protocol; 216 int rate; 217 int resolution; 218 int accelfactor; 219 } old_mousemode_t; 220 221 /* packet formatting function */ 222 typedef int packetfunc_t __P((struct psm_softc *, unsigned char *, 223 int *, int, mousestatus_t *)); 224 225 /* function prototypes */ 226 static int psmprobe __P((device_t)); 227 static int psmattach __P((device_t)); 228 #ifdef PSM_HOOKAPM 229 static int psmresume __P((void *)); 230 #endif 231 232 static d_open_t psmopen; 233 static d_close_t psmclose; 234 static d_read_t psmread; 235 static d_ioctl_t psmioctl; 236 static d_poll_t psmpoll; 237 238 static int enable_aux_dev __P((KBDC)); 239 static int disable_aux_dev __P((KBDC)); 240 static int get_mouse_status __P((KBDC, int *, int, int)); 241 static int get_aux_id __P((KBDC)); 242 static int set_mouse_sampling_rate __P((KBDC, int)); 243 static int set_mouse_scaling __P((KBDC, int)); 244 static int set_mouse_resolution __P((KBDC, int)); 245 static int set_mouse_mode __P((KBDC)); 246 static int get_mouse_buttons __P((KBDC)); 247 static int is_a_mouse __P((int)); 248 static void recover_from_error __P((KBDC)); 249 static int restore_controller __P((KBDC, int)); 250 static int reinitialize __P((int, mousemode_t *)); 251 static int doopen __P((int, int)); 252 static char *model_name(int); 253 static void psmintr(void*); 254 255 /* vendor specific features */ 256 typedef int probefunc_t __P((struct psm_softc *)); 257 258 static int mouse_id_proc1 __P((KBDC, int, int, int *)); 259 static probefunc_t enable_groller; 260 static probefunc_t enable_gmouse; 261 static probefunc_t enable_aglide; 262 static probefunc_t enable_kmouse; 263 static probefunc_t enable_msintelli; 264 static probefunc_t enable_mmanplus; 265 static int tame_mouse __P((struct psm_softc *, mousestatus_t *, unsigned char *)); 266 267 static struct { 268 int model; 269 unsigned char syncmask; 270 int packetsize; 271 probefunc_t *probefunc; 272 } vendortype[] = { 273 { MOUSE_MODEL_NET, /* Genius NetMouse */ 274 0xc8, MOUSE_INTELLI_PACKETSIZE, enable_gmouse, }, 275 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 276 0xc8, 6, enable_groller, }, 277 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 278 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide, }, 279 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 280 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus, }, 281 { MOUSE_MODEL_THINK, /* Kensignton ThinkingMouse */ 282 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse, }, 283 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 284 0xc8, MOUSE_INTELLI_PACKETSIZE, enable_msintelli, }, 285 { MOUSE_MODEL_GENERIC, 286 0xc0, MOUSE_PS2_PACKETSIZE, NULL, }, 287 }; 288 289 /* device driver declarateion */ 290 static device_method_t psm_methods[] = { 291 /* Device interface */ 292 DEVMETHOD(device_probe, psmprobe), 293 DEVMETHOD(device_attach, psmattach), 294 295 { 0, 0 } 296 }; 297 298 static driver_t psm_driver = { 299 "psm", 300 psm_methods, 301 DRIVER_TYPE_TTY, 302 sizeof(struct psm_softc), 303 }; 304 305 #define CDEV_MAJOR 21 306 307 static struct cdevsw psm_cdevsw = { 308 psmopen, psmclose, psmread, nowrite, /* 21 */ 309 psmioctl, nostop, nullreset, nodevtotty, 310 psmpoll, nommap, NULL, "psm", NULL, -1 311 }; 312 313 /* debug message level */ 314 static int verbose = PSM_DEBUG; 315 316 /* device I/O routines */ 317 static int 318 enable_aux_dev(KBDC kbdc) 319 { 320 int res; 321 322 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 323 if (verbose >= 2) 324 log(LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res); 325 326 return (res == PSM_ACK); 327 } 328 329 static int 330 disable_aux_dev(KBDC kbdc) 331 { 332 int res; 333 334 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 335 if (verbose >= 2) 336 log(LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res); 337 338 return (res == PSM_ACK); 339 } 340 341 static int 342 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 343 { 344 int cmd; 345 int res; 346 int i; 347 348 switch (flag) { 349 case 0: 350 default: 351 cmd = PSMC_SEND_DEV_STATUS; 352 break; 353 case 1: 354 cmd = PSMC_SEND_DEV_DATA; 355 break; 356 } 357 empty_aux_buffer(kbdc, 5); 358 res = send_aux_command(kbdc, cmd); 359 if (verbose >= 2) 360 log(LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 361 (flag == 1) ? "DATA" : "STATUS", res); 362 if (res != PSM_ACK) 363 return 0; 364 365 for (i = 0; i < len; ++i) { 366 status[i] = read_aux_data(kbdc); 367 if (status[i] < 0) 368 break; 369 } 370 371 if (verbose) { 372 log(LOG_DEBUG, "psm: %s %02x %02x %02x\n", 373 (flag == 1) ? "data" : "status", status[0], status[1], status[2]); 374 } 375 376 return i; 377 } 378 379 static int 380 get_aux_id(KBDC kbdc) 381 { 382 int res; 383 int id; 384 385 empty_aux_buffer(kbdc, 5); 386 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 387 if (verbose >= 2) 388 log(LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res); 389 if (res != PSM_ACK) 390 return (-1); 391 392 /* 10ms delay */ 393 DELAY(10000); 394 395 id = read_aux_data(kbdc); 396 if (verbose >= 2) 397 log(LOG_DEBUG, "psm: device ID: %04x\n", id); 398 399 return id; 400 } 401 402 static int 403 set_mouse_sampling_rate(KBDC kbdc, int rate) 404 { 405 int res; 406 407 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 408 if (verbose >= 2) 409 log(LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res); 410 411 return ((res == PSM_ACK) ? rate : -1); 412 } 413 414 static int 415 set_mouse_scaling(KBDC kbdc, int scale) 416 { 417 int res; 418 419 switch (scale) { 420 case 1: 421 default: 422 scale = PSMC_SET_SCALING11; 423 break; 424 case 2: 425 scale = PSMC_SET_SCALING21; 426 break; 427 } 428 res = send_aux_command(kbdc, scale); 429 if (verbose >= 2) 430 log(LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 431 (scale == PSMC_SET_SCALING21) ? "21" : "11", res); 432 433 return (res == PSM_ACK); 434 } 435 436 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 437 static int 438 set_mouse_resolution(KBDC kbdc, int val) 439 { 440 int res; 441 442 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 443 if (verbose >= 2) 444 log(LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res); 445 446 return ((res == PSM_ACK) ? val : -1); 447 } 448 449 /* 450 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 451 * re-enabled by calling `enable_aux_dev()' 452 */ 453 static int 454 set_mouse_mode(KBDC kbdc) 455 { 456 int res; 457 458 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 459 if (verbose >= 2) 460 log(LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res); 461 462 return (res == PSM_ACK); 463 } 464 465 static int 466 get_mouse_buttons(KBDC kbdc) 467 { 468 int c = 2; /* assume two buttons by default */ 469 int status[3]; 470 471 /* 472 * NOTE: a special sequence to obtain Logitech Mouse specific 473 * information: set resolution to 25 ppi, set scaling to 1:1, set 474 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 475 * mouse status bytes is the number of available buttons. 476 * Some manufactures also support this sequence. 477 */ 478 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 479 return c; 480 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) 481 && set_mouse_scaling(kbdc, 1) 482 && (get_mouse_status(kbdc, status, 0, 3) >= 3)) { 483 if (status[1] != 0) 484 return status[1]; 485 } 486 return c; 487 } 488 489 /* misc subroutines */ 490 /* 491 * Someday, I will get the complete list of valid pointing devices and 492 * their IDs... XXX 493 */ 494 static int 495 is_a_mouse(int id) 496 { 497 #if 0 498 static int valid_ids[] = { 499 PSM_MOUSE_ID, /* mouse */ 500 PSM_BALLPOINT_ID, /* ballpoint device */ 501 PSM_INTELLI_ID, /* Intellimouse */ 502 -1 /* end of table */ 503 }; 504 int i; 505 506 for (i = 0; valid_ids[i] >= 0; ++i) 507 if (valid_ids[i] == id) 508 return TRUE; 509 return FALSE; 510 #else 511 return TRUE; 512 #endif 513 } 514 515 static char * 516 model_name(int model) 517 { 518 static struct { 519 int model_code; 520 char *model_name; 521 } models[] = { 522 { MOUSE_MODEL_NETSCROLL, "NetScroll Mouse" }, 523 { MOUSE_MODEL_NET, "NetMouse" }, 524 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 525 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 526 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 527 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 528 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 529 { MOUSE_MODEL_UNKNOWN, NULL }, 530 }; 531 int i; 532 533 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) { 534 if (models[i].model_code == model) 535 return models[i].model_name; 536 } 537 return "Unknown"; 538 } 539 540 static void 541 recover_from_error(KBDC kbdc) 542 { 543 /* discard anything left in the output buffer */ 544 empty_both_buffers(kbdc, 10); 545 546 #if 0 547 /* 548 * NOTE: KBDC_RESET_KBD may not restore the communication between the 549 * keyboard and the controller. 550 */ 551 reset_kbd(kbdc); 552 #else 553 /* 554 * NOTE: somehow diagnostic and keyboard port test commands bring the 555 * keyboard back. 556 */ 557 if (!test_controller(kbdc)) 558 log(LOG_ERR, "psm: keyboard controller failed.\n"); 559 /* if there isn't a keyboard in the system, the following error is OK */ 560 if (test_kbd_port(kbdc) != 0) { 561 if (verbose) 562 log(LOG_ERR, "psm: keyboard port failed.\n"); 563 } 564 #endif 565 } 566 567 static int 568 restore_controller(KBDC kbdc, int command_byte) 569 { 570 empty_both_buffers(kbdc, 10); 571 572 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 573 log(LOG_ERR, "psm: failed to restore the keyboard controller " 574 "command byte.\n"); 575 return FALSE; 576 } else { 577 return TRUE; 578 } 579 } 580 581 /* 582 * Re-initialize the aux port and device. The aux port must be enabled 583 * and its interrupt must be disabled before calling this routine. 584 * The aux device will be disabled before returning. 585 * The keyboard controller must be locked via `kbdc_lock()' before 586 * calling this routine. 587 */ 588 static int 589 reinitialize(int unit, mousemode_t *mode) 590 { 591 struct psm_softc *sc = PSM_SOFTC(unit); 592 KBDC kbdc = sc->kbdc; 593 int stat[3]; 594 int i; 595 596 switch((i = test_aux_port(kbdc))) { 597 case 1: /* ignore this error */ 598 case PSM_ACK: 599 if (verbose) 600 log(LOG_DEBUG, "psm%d: strange result for test aux port (%d).\n", 601 unit, i); 602 /* fall though */ 603 case 0: /* no error */ 604 break; 605 case -1: /* time out */ 606 default: /* error */ 607 recover_from_error(kbdc); 608 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 609 unit, i); 610 return FALSE; 611 } 612 613 /* 614 * NOTE: some controllers appears to hang the `keyboard' when 615 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 616 */ 617 if (!reset_aux_dev(kbdc)) { 618 recover_from_error(kbdc); 619 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", unit); 620 return FALSE; 621 } 622 623 /* 624 * both the aux port and the aux device is functioning, see 625 * if the device can be enabled. 626 */ 627 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 628 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", unit); 629 return FALSE; 630 } 631 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 632 633 /* FIXME: hardware ID, mouse buttons? */ 634 635 /* other parameters */ 636 for (i = 0; vendortype[i].probefunc != NULL; ++i) { 637 if ((*vendortype[i].probefunc)(sc)) { 638 if (verbose >= 2) 639 log(LOG_ERR, "psm%d: found %s\n", 640 unit, model_name(vendortype[i].model)); 641 break; 642 } 643 } 644 645 sc->hw.model = vendortype[i].model; 646 sc->mode.packetsize = vendortype[i].packetsize; 647 648 /* set mouse parameters */ 649 if (mode != (mousemode_t *)NULL) { 650 if (mode->rate > 0) 651 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 652 if (mode->resolution >= 0) 653 mode->resolution = set_mouse_resolution(kbdc, mode->resolution); 654 set_mouse_scaling(kbdc, 1); 655 set_mouse_mode(kbdc); 656 } 657 658 /* request a data packet and extract sync. bits */ 659 if (get_mouse_status(kbdc, stat, 1, 3) < 3) { 660 log(LOG_DEBUG, "psm%d: failed to get data (reinitialize).\n", unit); 661 sc->mode.syncmask[0] = 0; 662 } else { 663 sc->mode.syncmask[1] = stat[0] & sc->mode.syncmask[0]; /* syncbits */ 664 /* the NetScroll Mouse will send three more bytes... Ignore them */ 665 empty_aux_buffer(kbdc, 5); 666 } 667 668 /* just check the status of the mouse */ 669 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 670 log(LOG_DEBUG, "psm%d: failed to get status (reinitialize).\n", unit); 671 672 return TRUE; 673 } 674 675 static int 676 doopen(int unit, int command_byte) 677 { 678 struct psm_softc *sc = PSM_SOFTC(unit); 679 int stat[3]; 680 681 /* enable the mouse device */ 682 if (!enable_aux_dev(sc->kbdc)) { 683 /* MOUSE ERROR: failed to enable the mouse because: 684 * 1) the mouse is faulty, 685 * 2) the mouse has been removed(!?) 686 * In the latter case, the keyboard may have hung, and need 687 * recovery procedure... 688 */ 689 recover_from_error(sc->kbdc); 690 #if 0 691 /* FIXME: we could reset the mouse here and try to enable 692 * it again. But it will take long time and it's not a good 693 * idea to disable the keyboard that long... 694 */ 695 if (!reinitialize(unit, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 696 recover_from_error(sc->kbdc); 697 #else 698 { 699 #endif 700 restore_controller(sc->kbdc, command_byte); 701 /* mark this device is no longer available */ 702 sc->state &= ~PSM_VALID; 703 log(LOG_ERR, "psm%d: failed to enable the device (doopen).\n", 704 unit); 705 return (EIO); 706 } 707 } 708 709 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 710 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", unit); 711 712 /* enable the aux port and interrupt */ 713 if (!set_controller_command_byte(sc->kbdc, 714 kbdc_get_device_mask(sc->kbdc), 715 (command_byte & KBD_KBD_CONTROL_BITS) 716 | KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 717 /* CONTROLLER ERROR */ 718 disable_aux_dev(sc->kbdc); 719 restore_controller(sc->kbdc, command_byte); 720 log(LOG_ERR, "psm%d: failed to enable the aux interrupt (doopen).\n", 721 unit); 722 return (EIO); 723 } 724 725 return (0); 726 } 727 728 /* psm driver entry points */ 729 730 #define endprobe(v) { if (bootverbose) \ 731 --verbose; \ 732 kbdc_set_device_mask(sc->kbdc, mask); \ 733 kbdc_lock(sc->kbdc, FALSE); \ 734 free(sc, M_DEVBUF); \ 735 return (v); \ 736 } 737 738 static int 739 psmprobe(device_t dev) 740 { 741 int unit = device_get_unit(dev); 742 struct psm_softc *sc = device_get_softc(dev); 743 int stat[3]; 744 int command_byte; 745 int mask; 746 int i; 747 748 #if 0 749 kbdc_debug(TRUE); 750 #endif 751 sc->addr = isa_get_port(dev); 752 sc->kbdc = kbdc_open(sc->addr); 753 sc->config = isa_get_flags(dev) & PSM_CONFIG_FLAGS; 754 sc->flags = 0; 755 if (bootverbose) 756 ++verbose; 757 758 if (!kbdc_lock(sc->kbdc, TRUE)) { 759 printf("psm%d: unable to lock the controller.\n", unit); 760 if (bootverbose) 761 --verbose; 762 return (ENXIO); 763 } 764 765 /* 766 * NOTE: two bits in the command byte controls the operation of the 767 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 768 * port interrupt (IRQ 12) enable bit (bit 2). 769 */ 770 771 /* discard anything left after the keyboard initialization */ 772 empty_both_buffers(sc->kbdc, 10); 773 774 /* save the current command byte; it will be used later */ 775 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 776 command_byte = get_controller_command_byte(sc->kbdc); 777 if (verbose) 778 printf("psm%d: current command byte:%04x\n", unit, command_byte); 779 if (command_byte == -1) { 780 /* CONTROLLER ERROR */ 781 printf("psm%d: unable to get the current command byte value.\n", 782 unit); 783 endprobe(ENXIO); 784 } 785 786 /* 787 * disable the keyboard port while probing the aux port, which must be 788 * enabled during this routine 789 */ 790 if (!set_controller_command_byte(sc->kbdc, 791 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 792 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 793 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 794 /* 795 * this is CONTROLLER ERROR; I don't know how to recover 796 * from this error... 797 */ 798 restore_controller(sc->kbdc, command_byte); 799 printf("psm%d: unable to set the command byte.\n", unit); 800 endprobe(ENXIO); 801 } 802 803 /* 804 * NOTE: `test_aux_port()' is designed to return with zero if the aux 805 * port exists and is functioning. However, some controllers appears 806 * to respond with zero even when the aux port doesn't exist. (It may 807 * be that this is only the case when the controller DOES have the aux 808 * port but the port is not wired on the motherboard.) The keyboard 809 * controllers without the port, such as the original AT, are 810 * supporsed to return with an error code or simply time out. In any 811 * case, we have to continue probing the port even when the controller 812 * passes this test. 813 * 814 * XXX: some controllers erroneously return the error code 1 when 815 * it has the perfectly functional aux port. We have to ignore this 816 * error code. Even if the controller HAS error with the aux port, 817 * it will be detected later... 818 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 819 */ 820 switch ((i = test_aux_port(sc->kbdc))) { 821 case 1: /* ignore this error */ 822 case PSM_ACK: 823 if (verbose) 824 printf("psm%d: strange result for test aux port (%d).\n", 825 unit, i); 826 /* fall though */ 827 case 0: /* no error */ 828 break; 829 case -1: /* time out */ 830 default: /* error */ 831 recover_from_error(sc->kbdc); 832 restore_controller(sc->kbdc, command_byte); 833 if (verbose) 834 printf("psm%d: the aux port is not functioning (%d).\n", 835 unit, i); 836 endprobe(ENXIO); 837 } 838 839 /* 840 * NOTE: some controllers appears to hang the `keyboard' when the aux 841 * port doesn't exist and `PSMC_RESET_DEV' is issued. 842 */ 843 if (!reset_aux_dev(sc->kbdc)) { 844 recover_from_error(sc->kbdc); 845 restore_controller(sc->kbdc, command_byte); 846 if (verbose) 847 printf("psm%d: failed to reset the aux device.\n", unit); 848 endprobe(ENXIO); 849 } 850 /* 851 * both the aux port and the aux device is functioning, see if the 852 * device can be enabled. NOTE: when enabled, the device will start 853 * sending data; we shall immediately disable the device once we know 854 * the device can be enabled. 855 */ 856 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 857 /* MOUSE ERROR */ 858 restore_controller(sc->kbdc, command_byte); 859 if (verbose) 860 printf("psm%d: failed to enable the aux device.\n", unit); 861 endprobe(ENXIO); 862 } 863 864 /* save the default values after reset */ 865 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 866 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 867 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 868 } else { 869 sc->dflt_mode.rate = sc->mode.rate = -1; 870 sc->dflt_mode.resolution = sc->mode.resolution = -1; 871 } 872 873 /* hardware information */ 874 sc->hw.iftype = MOUSE_IF_PS2; 875 876 /* verify the device is a mouse */ 877 sc->hw.hwid = get_aux_id(sc->kbdc); 878 if (!is_a_mouse(sc->hw.hwid)) { 879 restore_controller(sc->kbdc, command_byte); 880 if (verbose) 881 printf("psm%d: unknown device type (%d).\n", unit, sc->hw.hwid); 882 endprobe(ENXIO); 883 } 884 switch (sc->hw.hwid) { 885 case PSM_BALLPOINT_ID: 886 sc->hw.type = MOUSE_TRACKBALL; 887 break; 888 case PSM_MOUSE_ID: 889 case PSM_INTELLI_ID: 890 sc->hw.type = MOUSE_MOUSE; 891 break; 892 default: 893 sc->hw.type = MOUSE_UNKNOWN; 894 break; 895 } 896 897 /* # of buttons */ 898 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 899 900 /* other parameters */ 901 for (i = 0; vendortype[i].probefunc != NULL; ++i) { 902 if ((*vendortype[i].probefunc)(sc)) { 903 if (verbose >= 2) 904 printf("psm%d: found %s\n", 905 unit, model_name(vendortype[i].model)); 906 break; 907 } 908 } 909 910 sc->hw.model = vendortype[i].model; 911 912 sc->dflt_mode.level = PSM_LEVEL_BASE; 913 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 914 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 915 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 916 sc->dflt_mode.syncmask[0] = 0; 917 else 918 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 919 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 920 sc->mode = sc->dflt_mode; 921 sc->mode.packetsize = vendortype[i].packetsize; 922 923 /* set mouse parameters */ 924 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 925 if (verbose >= 2) 926 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 927 if (sc->config & PSM_CONFIG_RESOLUTION) { 928 sc->mode.resolution 929 = set_mouse_resolution(sc->kbdc, 930 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 931 } 932 933 /* request a data packet and extract sync. bits */ 934 if (get_mouse_status(sc->kbdc, stat, 1, 3) < 3) { 935 printf("psm%d: failed to get data.\n", unit); 936 sc->mode.syncmask[0] = 0; 937 } else { 938 sc->mode.syncmask[1] = stat[0] & sc->mode.syncmask[0]; /* syncbits */ 939 /* the NetScroll Mouse will send three more bytes... Ignore them */ 940 empty_aux_buffer(sc->kbdc, 5); 941 } 942 943 /* just check the status of the mouse */ 944 /* 945 * NOTE: XXX there are some arcane controller/mouse combinations out 946 * there, which hung the controller unless there is data transmission 947 * after ACK from the mouse. 948 */ 949 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) { 950 printf("psm%d: failed to get status.\n", unit); 951 } else { 952 /* 953 * When in its native mode, some mice operate with different 954 * default parameters than in the PS/2 compatible mode. 955 */ 956 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 957 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 958 } 959 960 /* disable the aux port for now... */ 961 if (!set_controller_command_byte(sc->kbdc, 962 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 963 (command_byte & KBD_KBD_CONTROL_BITS) 964 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 965 /* 966 * this is CONTROLLER ERROR; I don't know the proper way to 967 * recover from this error... 968 */ 969 restore_controller(sc->kbdc, command_byte); 970 printf("psm%d: unable to set the command byte.\n", unit); 971 endprobe(ENXIO); 972 } 973 974 /* done */ 975 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 976 kbdc_lock(sc->kbdc, FALSE); 977 return (0); 978 } 979 980 static int 981 psmattach(device_t dev) 982 { 983 int unit = device_get_unit(dev); 984 struct psm_softc *sc = device_get_softc(dev); 985 void *ih; 986 struct resource *res; 987 int zero = 0; 988 989 if (sc == NULL) /* shouldn't happen */ 990 return (ENXIO); 991 992 /* Setup initial state */ 993 sc->state = PSM_VALID; 994 995 /* Done */ 996 #ifdef DEVFS 997 sc->devfs_token = 998 devfs_add_devswf(&psm_cdevsw, PSM_MKMINOR(unit, FALSE), 999 DV_CHR, 0, 0, 0666, "psm%d", unit); 1000 sc->b_devfs_token = 1001 devfs_add_devswf(&psm_cdevsw, PSM_MKMINOR(unit, TRUE), 1002 DV_CHR, 0, 0, 0666, "bpsm%d", unit); 1003 #endif /* DEVFS */ 1004 1005 #ifdef PSM_HOOKAPM 1006 sc->resumehook.ah_name = "PS/2 mouse"; 1007 sc->resumehook.ah_fun = psmresume; 1008 sc->resumehook.ah_arg = (void *)unit; 1009 sc->resumehook.ah_order = APM_MID_ORDER; 1010 apm_hook_establish(APM_HOOK_RESUME , &sc->resumehook); 1011 if (verbose) 1012 printf("psm%d: APM hooks installed.\n", unit); 1013 #endif /* PSM_HOOKAPM */ 1014 1015 if (!verbose) { 1016 printf("psm%d: model %s, device ID %d\n", 1017 unit, model_name(sc->hw.model), sc->hw.hwid); 1018 } else { 1019 printf("psm%d: model %s, device ID %d, %d buttons\n", 1020 unit, model_name(sc->hw.model), sc->hw.hwid, sc->hw.buttons); 1021 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1022 unit, sc->config, sc->flags, sc->mode.packetsize); 1023 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1024 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1025 } 1026 1027 if (bootverbose) 1028 --verbose; 1029 1030 res = bus_alloc_resource(dev, SYS_RES_IRQ, &zero, 0ul, ~0ul, 1, 1031 RF_SHAREABLE | RF_ACTIVE); 1032 BUS_SETUP_INTR(device_get_parent(dev), dev, res, psmintr, sc, 1033 &ih); 1034 1035 return (0); 1036 } 1037 1038 static int 1039 psmopen(dev_t dev, int flag, int fmt, struct proc *p) 1040 { 1041 int unit = PSM_UNIT(dev); 1042 struct psm_softc *sc; 1043 int command_byte; 1044 int err; 1045 int s; 1046 1047 /* Validate unit number */ 1048 if (unit >= NPSM) 1049 return (ENXIO); 1050 1051 /* Get device data */ 1052 sc = PSM_SOFTC(unit); 1053 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) 1054 /* the device is no longer valid/functioning */ 1055 return (ENXIO); 1056 1057 /* Disallow multiple opens */ 1058 if (sc->state & PSM_OPEN) 1059 return (EBUSY); 1060 1061 device_busy(devclass_get_device(psm_devclass, unit)); 1062 1063 /* Initialize state */ 1064 sc->rsel.si_flags = 0; 1065 sc->rsel.si_pid = 0; 1066 sc->mode.level = sc->dflt_mode.level; 1067 sc->mode.protocol = sc->dflt_mode.protocol; 1068 1069 /* flush the event queue */ 1070 sc->queue.count = 0; 1071 sc->queue.head = 0; 1072 sc->queue.tail = 0; 1073 sc->status.flags = 0; 1074 sc->status.button = 0; 1075 sc->status.obutton = 0; 1076 sc->status.dx = 0; 1077 sc->status.dy = 0; 1078 sc->status.dz = 0; 1079 sc->button = 0; 1080 1081 /* empty input buffer */ 1082 bzero(sc->ipacket, sizeof(sc->ipacket)); 1083 sc->inputbytes = 0; 1084 1085 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1086 if (!kbdc_lock(sc->kbdc, TRUE)) 1087 return (EIO); 1088 1089 /* save the current controller command byte */ 1090 s = spltty(); 1091 command_byte = get_controller_command_byte(sc->kbdc); 1092 1093 /* enable the aux port and temporalily disable the keyboard */ 1094 if ((command_byte == -1) 1095 || !set_controller_command_byte(sc->kbdc, 1096 kbdc_get_device_mask(sc->kbdc), 1097 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1098 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1099 /* CONTROLLER ERROR; do you know how to get out of this? */ 1100 kbdc_lock(sc->kbdc, FALSE); 1101 splx(s); 1102 log(LOG_ERR, "psm%d: unable to set the command byte (psmopen).\n", 1103 unit); 1104 return (EIO); 1105 } 1106 /* 1107 * Now that the keyboard controller is told not to generate 1108 * the keyboard and mouse interrupts, call `splx()' to allow 1109 * the other tty interrupts. The clock interrupt may also occur, 1110 * but timeout routines will be blocked by the poll flag set 1111 * via `kbdc_lock()' 1112 */ 1113 splx(s); 1114 1115 /* enable the mouse device */ 1116 err = doopen(unit, command_byte); 1117 1118 /* done */ 1119 if (err == 0) 1120 sc->state |= PSM_OPEN; 1121 kbdc_lock(sc->kbdc, FALSE); 1122 return (err); 1123 } 1124 1125 static int 1126 psmclose(dev_t dev, int flag, int fmt, struct proc *p) 1127 { 1128 int unit = PSM_UNIT(dev); 1129 struct psm_softc *sc = PSM_SOFTC(unit); 1130 int stat[3]; 1131 int command_byte; 1132 int s; 1133 1134 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1135 if (!kbdc_lock(sc->kbdc, TRUE)) 1136 return (EIO); 1137 1138 /* save the current controller command byte */ 1139 s = spltty(); 1140 command_byte = get_controller_command_byte(sc->kbdc); 1141 if (command_byte == -1) { 1142 kbdc_lock(sc->kbdc, FALSE); 1143 splx(s); 1144 return (EIO); 1145 } 1146 1147 /* disable the aux interrupt and temporalily disable the keyboard */ 1148 if (!set_controller_command_byte(sc->kbdc, 1149 kbdc_get_device_mask(sc->kbdc), 1150 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1151 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1152 log(LOG_ERR, "psm%d: failed to disable the aux int (psmclose).\n", 1153 PSM_UNIT(dev)); 1154 /* CONTROLLER ERROR; 1155 * NOTE: we shall force our way through. Because the only 1156 * ill effect we shall see is that we may not be able 1157 * to read ACK from the mouse, and it doesn't matter much 1158 * so long as the mouse will accept the DISABLE command. 1159 */ 1160 } 1161 splx(s); 1162 1163 /* remove anything left in the output buffer */ 1164 empty_aux_buffer(sc->kbdc, 10); 1165 1166 /* disable the aux device, port and interrupt */ 1167 if (sc->state & PSM_VALID) { 1168 if (!disable_aux_dev(sc->kbdc)) { 1169 /* MOUSE ERROR; 1170 * NOTE: we don't return error and continue, pretending 1171 * we have successfully disabled the device. It's OK because 1172 * the interrupt routine will discard any data from the mouse 1173 * hereafter. 1174 */ 1175 log(LOG_ERR, "psm%d: failed to disable the device (psmclose).\n", 1176 PSM_UNIT(dev)); 1177 } 1178 1179 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1180 log(LOG_DEBUG, "psm%d: failed to get status (psmclose).\n", 1181 PSM_UNIT(dev)); 1182 } 1183 1184 if (!set_controller_command_byte(sc->kbdc, 1185 kbdc_get_device_mask(sc->kbdc), 1186 (command_byte & KBD_KBD_CONTROL_BITS) 1187 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1188 /* CONTROLLER ERROR; 1189 * we shall ignore this error; see the above comment. 1190 */ 1191 log(LOG_ERR, "psm%d: failed to disable the aux port (psmclose).\n", 1192 PSM_UNIT(dev)); 1193 } 1194 1195 /* remove anything left in the output buffer */ 1196 empty_aux_buffer(sc->kbdc, 10); 1197 1198 /* close is almost always successful */ 1199 sc->state &= ~PSM_OPEN; 1200 kbdc_lock(sc->kbdc, FALSE); 1201 device_unbusy(devclass_get_device(psm_devclass, unit)); 1202 return (0); 1203 } 1204 1205 static int 1206 tame_mouse(struct psm_softc *sc, mousestatus_t *status, unsigned char *buf) 1207 { 1208 static unsigned char butmapps2[8] = { 1209 0, 1210 MOUSE_PS2_BUTTON1DOWN, 1211 MOUSE_PS2_BUTTON2DOWN, 1212 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1213 MOUSE_PS2_BUTTON3DOWN, 1214 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1215 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1216 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1217 }; 1218 static unsigned char butmapmsc[8] = { 1219 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1220 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1221 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1222 MOUSE_MSC_BUTTON3UP, 1223 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1224 MOUSE_MSC_BUTTON2UP, 1225 MOUSE_MSC_BUTTON1UP, 1226 0, 1227 }; 1228 int mapped; 1229 int i; 1230 1231 if (sc->mode.level == PSM_LEVEL_BASE) { 1232 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1233 if (status->button & MOUSE_BUTTON4DOWN) 1234 mapped |= MOUSE_BUTTON1DOWN; 1235 status->button = mapped; 1236 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1237 i = max(min(status->dx, 255), -256); 1238 if (i < 0) 1239 buf[0] |= MOUSE_PS2_XNEG; 1240 buf[1] = i; 1241 i = max(min(status->dy, 255), -256); 1242 if (i < 0) 1243 buf[0] |= MOUSE_PS2_YNEG; 1244 buf[2] = i; 1245 return MOUSE_PS2_PACKETSIZE; 1246 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1247 buf[0] = MOUSE_MSC_SYNC | butmapmsc[status->button & MOUSE_STDBUTTONS]; 1248 i = max(min(status->dx, 255), -256); 1249 buf[1] = i >> 1; 1250 buf[3] = i - buf[1]; 1251 i = max(min(status->dy, 255), -256); 1252 buf[2] = i >> 1; 1253 buf[4] = i - buf[2]; 1254 i = max(min(status->dz, 127), -128); 1255 buf[5] = (i >> 1) & 0x7f; 1256 buf[6] = (i - (i >> 1)) & 0x7f; 1257 buf[7] = (~status->button >> 3) & 0x7f; 1258 return MOUSE_SYS_PACKETSIZE; 1259 } 1260 return sc->inputbytes;; 1261 } 1262 1263 static int 1264 psmread(dev_t dev, struct uio *uio, int flag) 1265 { 1266 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1267 unsigned char buf[PSM_SMALLBUFSIZE]; 1268 int error = 0; 1269 int s; 1270 int l; 1271 1272 if ((sc->state & PSM_VALID) == 0) 1273 return EIO; 1274 1275 /* block until mouse activity occured */ 1276 s = spltty(); 1277 while (sc->queue.count <= 0) { 1278 if (PSM_NBLOCKIO(dev)) { 1279 splx(s); 1280 return EWOULDBLOCK; 1281 } 1282 sc->state |= PSM_ASLP; 1283 error = tsleep((caddr_t) sc, PZERO | PCATCH, "psmrea", 0); 1284 sc->state &= ~PSM_ASLP; 1285 if (error) { 1286 splx(s); 1287 return error; 1288 } else if ((sc->state & PSM_VALID) == 0) { 1289 /* the device disappeared! */ 1290 splx(s); 1291 return EIO; 1292 } 1293 } 1294 splx(s); 1295 1296 /* copy data to the user land */ 1297 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1298 s = spltty(); 1299 l = min(sc->queue.count, uio->uio_resid); 1300 if (l > sizeof(buf)) 1301 l = sizeof(buf); 1302 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1303 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1304 sizeof(sc->queue.buf) - sc->queue.head); 1305 bcopy(&sc->queue.buf[0], 1306 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1307 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1308 } else { 1309 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1310 } 1311 sc->queue.count -= l; 1312 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1313 splx(s); 1314 error = uiomove(buf, l, uio); 1315 if (error) 1316 break; 1317 } 1318 1319 return error; 1320 } 1321 1322 static int 1323 block_mouse_data(struct psm_softc *sc, int *c) 1324 { 1325 int s; 1326 1327 if (!kbdc_lock(sc->kbdc, TRUE)) 1328 return EIO; 1329 1330 s = spltty(); 1331 *c = get_controller_command_byte(sc->kbdc); 1332 if ((*c == -1) 1333 || !set_controller_command_byte(sc->kbdc, 1334 kbdc_get_device_mask(sc->kbdc), 1335 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 1336 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1337 /* this is CONTROLLER ERROR */ 1338 splx(s); 1339 kbdc_lock(sc->kbdc, FALSE); 1340 return EIO; 1341 } 1342 1343 /* 1344 * The device may be in the middle of status data transmission. 1345 * The transmission will be interrupted, thus, incomplete status 1346 * data must be discarded. Although the aux interrupt is disabled 1347 * at the keyboard controller level, at most one aux interrupt 1348 * may have already been pending and a data byte is in the 1349 * output buffer; throw it away. Note that the second argument 1350 * to `empty_aux_buffer()' is zero, so that the call will just 1351 * flush the internal queue. 1352 * `psmintr()' will be invoked after `splx()' if an interrupt is 1353 * pending; it will see no data and returns immediately. 1354 */ 1355 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1356 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1357 sc->inputbytes = 0; 1358 splx(s); 1359 1360 return 0; 1361 } 1362 1363 static int 1364 unblock_mouse_data(struct psm_softc *sc, int c) 1365 { 1366 int error = 0; 1367 1368 /* 1369 * We may have seen a part of status data during `set_mouse_XXX()'. 1370 * they have been queued; flush it. 1371 */ 1372 empty_aux_buffer(sc->kbdc, 0); 1373 1374 /* restore ports and interrupt */ 1375 if (!set_controller_command_byte(sc->kbdc, 1376 kbdc_get_device_mask(sc->kbdc), 1377 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1378 /* CONTROLLER ERROR; this is serious, we may have 1379 * been left with the inaccessible keyboard and 1380 * the disabled mouse interrupt. 1381 */ 1382 error = EIO; 1383 } 1384 1385 kbdc_lock(sc->kbdc, FALSE); 1386 return error; 1387 } 1388 1389 static int 1390 psmioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc *p) 1391 { 1392 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1393 mousemode_t mode; 1394 mousestatus_t status; 1395 #if (defined(MOUSE_GETVARS)) 1396 mousevar_t *var; 1397 #endif 1398 mousedata_t *data; 1399 int stat[3]; 1400 int command_byte; 1401 int error = 0; 1402 int s; 1403 1404 /* Perform IOCTL command */ 1405 switch (cmd) { 1406 1407 case OLD_MOUSE_GETHWINFO: 1408 s = spltty(); 1409 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1410 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1411 ((old_mousehw_t *)addr)->type = sc->hw.type; 1412 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid; 1413 splx(s); 1414 break; 1415 1416 case MOUSE_GETHWINFO: 1417 s = spltty(); 1418 *(mousehw_t *)addr = sc->hw; 1419 if (sc->mode.level == PSM_LEVEL_BASE) 1420 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1421 splx(s); 1422 break; 1423 1424 case OLD_MOUSE_GETMODE: 1425 s = spltty(); 1426 switch (sc->mode.level) { 1427 case PSM_LEVEL_BASE: 1428 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1429 break; 1430 case PSM_LEVEL_STANDARD: 1431 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1432 break; 1433 case PSM_LEVEL_NATIVE: 1434 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1435 break; 1436 } 1437 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1438 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1439 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1440 splx(s); 1441 break; 1442 1443 case MOUSE_GETMODE: 1444 s = spltty(); 1445 *(mousemode_t *)addr = sc->mode; 1446 ((mousemode_t *)addr)->resolution = 1447 MOUSE_RES_LOW - sc->mode.resolution; 1448 switch (sc->mode.level) { 1449 case PSM_LEVEL_BASE: 1450 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1451 ((mousemode_t *)addr)->packetsize = MOUSE_PS2_PACKETSIZE; 1452 break; 1453 case PSM_LEVEL_STANDARD: 1454 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1455 ((mousemode_t *)addr)->packetsize = MOUSE_SYS_PACKETSIZE; 1456 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1457 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1458 break; 1459 case PSM_LEVEL_NATIVE: 1460 /* FIXME: this isn't quite correct... XXX */ 1461 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1462 break; 1463 } 1464 splx(s); 1465 break; 1466 1467 case OLD_MOUSE_SETMODE: 1468 case MOUSE_SETMODE: 1469 if (cmd == OLD_MOUSE_SETMODE) { 1470 mode.rate = ((old_mousemode_t *)addr)->rate; 1471 /* 1472 * resolution old I/F new I/F 1473 * default 0 0 1474 * low 1 -2 1475 * medium low 2 -3 1476 * medium high 3 -4 1477 * high 4 -5 1478 */ 1479 if (((old_mousemode_t *)addr)->resolution > 0) 1480 mode.resolution = -((old_mousemode_t *)addr)->resolution - 1; 1481 mode.accelfactor = ((old_mousemode_t *)addr)->accelfactor; 1482 mode.level = -1; 1483 } else { 1484 mode = *(mousemode_t *)addr; 1485 } 1486 1487 /* adjust and validate parameters. */ 1488 if (mode.rate > UCHAR_MAX) 1489 return EINVAL; 1490 if (mode.rate == 0) 1491 mode.rate = sc->dflt_mode.rate; 1492 else if (mode.rate == -1) 1493 /* don't change the current setting */ 1494 ; 1495 else if (mode.rate < 0) 1496 return EINVAL; 1497 if (mode.resolution >= UCHAR_MAX) 1498 return EINVAL; 1499 if (mode.resolution >= 200) 1500 mode.resolution = MOUSE_RES_HIGH; 1501 else if (mode.resolution >= 100) 1502 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1503 else if (mode.resolution >= 50) 1504 mode.resolution = MOUSE_RES_MEDIUMLOW; 1505 else if (mode.resolution > 0) 1506 mode.resolution = MOUSE_RES_LOW; 1507 if (mode.resolution == MOUSE_RES_DEFAULT) 1508 mode.resolution = sc->dflt_mode.resolution; 1509 else if (mode.resolution == -1) 1510 /* don't change the current setting */ 1511 ; 1512 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1513 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1514 if (mode.level == -1) 1515 /* don't change the current setting */ 1516 mode.level = sc->mode.level; 1517 else if ((mode.level < PSM_LEVEL_MIN) || (mode.level > PSM_LEVEL_MAX)) 1518 return EINVAL; 1519 if (mode.accelfactor == -1) 1520 /* don't change the current setting */ 1521 mode.accelfactor = sc->mode.accelfactor; 1522 else if (mode.accelfactor < 0) 1523 return EINVAL; 1524 1525 /* don't allow anybody to poll the keyboard controller */ 1526 error = block_mouse_data(sc, &command_byte); 1527 if (error) 1528 return error; 1529 1530 /* set mouse parameters */ 1531 if (mode.rate > 0) 1532 mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 1533 if (mode.resolution >= 0) 1534 mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); 1535 set_mouse_scaling(sc->kbdc, 1); 1536 get_mouse_status(sc->kbdc, stat, 0, 3); 1537 1538 s = spltty(); 1539 sc->mode.rate = mode.rate; 1540 sc->mode.resolution = mode.resolution; 1541 sc->mode.accelfactor = mode.accelfactor; 1542 sc->mode.level = mode.level; 1543 splx(s); 1544 1545 unblock_mouse_data(sc, command_byte); 1546 break; 1547 1548 case MOUSE_GETLEVEL: 1549 *(int *)addr = sc->mode.level; 1550 break; 1551 1552 case MOUSE_SETLEVEL: 1553 if ((*(int *)addr < PSM_LEVEL_MIN) || (*(int *)addr > PSM_LEVEL_MAX)) 1554 return EINVAL; 1555 sc->mode.level = *(int *)addr; 1556 break; 1557 1558 case MOUSE_GETSTATUS: 1559 s = spltty(); 1560 status = sc->status; 1561 sc->status.flags = 0; 1562 sc->status.obutton = sc->status.button; 1563 sc->status.button = 0; 1564 sc->status.dx = 0; 1565 sc->status.dy = 0; 1566 sc->status.dz = 0; 1567 splx(s); 1568 *(mousestatus_t *)addr = status; 1569 break; 1570 1571 #if (defined(MOUSE_GETVARS)) 1572 case MOUSE_GETVARS: 1573 var = (mousevar_t *)addr; 1574 bzero(var, sizeof(*var)); 1575 s = spltty(); 1576 var->var[0] = MOUSE_VARS_PS2_SIG; 1577 var->var[1] = sc->config; 1578 var->var[2] = sc->flags; 1579 splx(s); 1580 break; 1581 1582 case MOUSE_SETVARS: 1583 return ENODEV; 1584 #endif /* MOUSE_GETVARS */ 1585 1586 case MOUSE_READSTATE: 1587 case MOUSE_READDATA: 1588 data = (mousedata_t *)addr; 1589 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 1590 return EINVAL; 1591 1592 error = block_mouse_data(sc, &command_byte); 1593 if (error) 1594 return error; 1595 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 1596 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 1597 error = EIO; 1598 unblock_mouse_data(sc, command_byte); 1599 break; 1600 1601 #if (defined(MOUSE_SETRESOLUTION)) 1602 case MOUSE_SETRESOLUTION: 1603 mode.resolution = *(int *)addr; 1604 if (mode.resolution >= UCHAR_MAX) 1605 return EINVAL; 1606 else if (mode.resolution >= 200) 1607 mode.resolution = MOUSE_RES_HIGH; 1608 else if (mode.resolution >= 100) 1609 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1610 else if (mode.resolution >= 50) 1611 mode.resolution = MOUSE_RES_MEDIUMLOW; 1612 else if (mode.resolution > 0) 1613 mode.resolution = MOUSE_RES_LOW; 1614 if (mode.resolution == MOUSE_RES_DEFAULT) 1615 mode.resolution = sc->dflt_mode.resolution; 1616 else if (mode.resolution == -1) 1617 mode.resolution = sc->mode.resolution; 1618 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1619 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1620 1621 error = block_mouse_data(sc, &command_byte); 1622 if (error) 1623 return error; 1624 sc->mode.resolution = set_mouse_resolution(sc->kbdc, mode.resolution); 1625 if (sc->mode.resolution != mode.resolution) 1626 error = EIO; 1627 unblock_mouse_data(sc, command_byte); 1628 break; 1629 #endif /* MOUSE_SETRESOLUTION */ 1630 1631 #if (defined(MOUSE_SETRATE)) 1632 case MOUSE_SETRATE: 1633 mode.rate = *(int *)addr; 1634 if (mode.rate > UCHAR_MAX) 1635 return EINVAL; 1636 if (mode.rate == 0) 1637 mode.rate = sc->dflt_mode.rate; 1638 else if (mode.rate < 0) 1639 mode.rate = sc->mode.rate; 1640 1641 error = block_mouse_data(sc, &command_byte); 1642 if (error) 1643 return error; 1644 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 1645 if (sc->mode.rate != mode.rate) 1646 error = EIO; 1647 unblock_mouse_data(sc, command_byte); 1648 break; 1649 #endif /* MOUSE_SETRATE */ 1650 1651 #if (defined(MOUSE_SETSCALING)) 1652 case MOUSE_SETSCALING: 1653 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 1654 return EINVAL; 1655 1656 error = block_mouse_data(sc, &command_byte); 1657 if (error) 1658 return error; 1659 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 1660 error = EIO; 1661 unblock_mouse_data(sc, command_byte); 1662 break; 1663 #endif /* MOUSE_SETSCALING */ 1664 1665 #if (defined(MOUSE_GETHWID)) 1666 case MOUSE_GETHWID: 1667 error = block_mouse_data(sc, &command_byte); 1668 if (error) 1669 return error; 1670 sc->hw.hwid = get_aux_id(sc->kbdc); 1671 *(int *)addr = sc->hw.hwid; 1672 unblock_mouse_data(sc, command_byte); 1673 break; 1674 #endif /* MOUSE_GETHWID */ 1675 1676 default: 1677 return ENOTTY; 1678 } 1679 1680 return error; 1681 } 1682 1683 static void 1684 psmintr(void *arg) 1685 { 1686 /* 1687 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 1688 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 1689 */ 1690 static int butmap[8] = { 1691 0, 1692 MOUSE_BUTTON1DOWN, 1693 MOUSE_BUTTON3DOWN, 1694 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 1695 MOUSE_BUTTON2DOWN, 1696 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 1697 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 1698 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 1699 }; 1700 register struct psm_softc *sc = arg; 1701 mousestatus_t ms; 1702 int x, y, z; 1703 int c; 1704 int l; 1705 1706 /* read until there is nothing to read */ 1707 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 1708 1709 /* discard the byte if the device is not open */ 1710 if ((sc->state & PSM_OPEN) == 0) 1711 continue; 1712 1713 /* 1714 * Check sync bits. We check for overflow bits and the bit 3 1715 * for most mice. True, the code doesn't work if overflow 1716 * condition occurs. But we expect it rarely happens... 1717 */ 1718 if ((sc->inputbytes == 0) 1719 && ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1])) { 1720 log(LOG_DEBUG, "psmintr: out of sync (%04x != %04x).\n", 1721 c & sc->mode.syncmask[0], sc->mode.syncmask[1]); 1722 continue; 1723 } 1724 1725 sc->ipacket[sc->inputbytes++] = c; 1726 if (sc->inputbytes < sc->mode.packetsize) 1727 continue; 1728 1729 #if 0 1730 log(LOG_DEBUG, "psmintr: %02x %02x %02x %02x %02x %02x\n", 1731 sc->ipacket[0], sc->ipacket[1], sc->ipacket[2], 1732 sc->ipacket[3], sc->ipacket[4], sc->ipacket[5]); 1733 #endif 1734 1735 c = sc->ipacket[0]; 1736 1737 /* 1738 * A kludge for Kensington device! 1739 * The MSB of the horizontal count appears to be stored in 1740 * a strange place. This kludge doesn't affect other mice 1741 * because the bit is the overflow bit which is, in most cases, 1742 * expected to be zero when we reach here. XXX 1743 */ 1744 sc->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 1745 1746 /* ignore the overflow bits... */ 1747 x = (c & MOUSE_PS2_XNEG) ? sc->ipacket[1] - 256 : sc->ipacket[1]; 1748 y = (c & MOUSE_PS2_YNEG) ? sc->ipacket[2] - 256 : sc->ipacket[2]; 1749 z = 0; 1750 ms.obutton = sc->button; /* previous button state */ 1751 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 1752 1753 switch (sc->hw.model) { 1754 1755 case MOUSE_MODEL_INTELLI: 1756 case MOUSE_MODEL_NET: 1757 /* wheel data is in the fourth byte */ 1758 z = (char)sc->ipacket[3]; 1759 break; 1760 1761 case MOUSE_MODEL_MOUSEMANPLUS: 1762 if ((c & ~MOUSE_PS2_BUTTONS) == 0xc8) { 1763 /* the extended data packet encodes button and wheel events */ 1764 x = y = 0; 1765 z = (sc->ipacket[1] & MOUSE_PS2PLUS_ZNEG) 1766 ? (sc->ipacket[2] & 0x0f) - 16 : (sc->ipacket[2] & 0x0f); 1767 ms.button |= (sc->ipacket[2] & MOUSE_PS2PLUS_BUTTON4DOWN) 1768 ? MOUSE_BUTTON4DOWN : 0; 1769 } else { 1770 /* preserve button states */ 1771 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 1772 } 1773 break; 1774 1775 case MOUSE_MODEL_GLIDEPOINT: 1776 /* `tapping' action */ 1777 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : MOUSE_BUTTON4DOWN; 1778 break; 1779 1780 case MOUSE_MODEL_NETSCROLL: 1781 /* three addtional bytes encode button and wheel events */ 1782 ms.button |= (sc->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) 1783 ? MOUSE_BUTTON4DOWN : 0; 1784 z = (sc->ipacket[3] & MOUSE_PS2_XNEG) 1785 ? sc->ipacket[4] - 256 : sc->ipacket[4]; 1786 break; 1787 1788 case MOUSE_MODEL_THINK: 1789 /* the fourth button state in the first byte */ 1790 ms.button |= (c & MOUSE_PS2_TAP) ? MOUSE_BUTTON4DOWN : 0; 1791 break; 1792 1793 case MOUSE_MODEL_GENERIC: 1794 default: 1795 break; 1796 } 1797 1798 /* scale values */ 1799 if (sc->mode.accelfactor >= 1) { 1800 if (x != 0) { 1801 x = x * x / sc->mode.accelfactor; 1802 if (x == 0) 1803 x = 1; 1804 if (c & MOUSE_PS2_XNEG) 1805 x = -x; 1806 } 1807 if (y != 0) { 1808 y = y * y / sc->mode.accelfactor; 1809 if (y == 0) 1810 y = 1; 1811 if (c & MOUSE_PS2_YNEG) 1812 y = -y; 1813 } 1814 } 1815 1816 ms.dx = x; 1817 ms.dy = y; 1818 ms.dz = z; 1819 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) 1820 | (ms.obutton ^ ms.button); 1821 1822 if (sc->mode.level < PSM_LEVEL_NATIVE) 1823 sc->inputbytes = tame_mouse(sc, &ms, sc->ipacket); 1824 1825 sc->status.flags |= ms.flags; 1826 sc->status.dx += ms.dx; 1827 sc->status.dy += ms.dy; 1828 sc->status.dz += ms.dz; 1829 sc->status.button = ms.button; 1830 sc->button = ms.button; 1831 1832 /* queue data */ 1833 if (sc->queue.count + sc->inputbytes < sizeof(sc->queue.buf)) { 1834 l = min(sc->inputbytes, sizeof(sc->queue.buf) - sc->queue.tail); 1835 bcopy(&sc->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 1836 if (sc->inputbytes > l) 1837 bcopy(&sc->ipacket[l], &sc->queue.buf[0], sc->inputbytes - l); 1838 sc->queue.tail = 1839 (sc->queue.tail + sc->inputbytes) % sizeof(sc->queue.buf); 1840 sc->queue.count += sc->inputbytes; 1841 } 1842 sc->inputbytes = 0; 1843 1844 if (sc->state & PSM_ASLP) { 1845 sc->state &= ~PSM_ASLP; 1846 wakeup((caddr_t) sc); 1847 } 1848 selwakeup(&sc->rsel); 1849 } 1850 } 1851 1852 static int 1853 psmpoll(dev_t dev, int events, struct proc *p) 1854 { 1855 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1856 int s; 1857 int revents = 0; 1858 1859 /* Return true if a mouse event available */ 1860 s = spltty(); 1861 if (events & (POLLIN | POLLRDNORM)) 1862 if (sc->queue.count > 0) 1863 revents |= events & (POLLIN | POLLRDNORM); 1864 else 1865 selrecord(p, &sc->rsel); 1866 1867 splx(s); 1868 1869 return (revents); 1870 } 1871 1872 /* vendor/model specific routines */ 1873 1874 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 1875 { 1876 if (set_mouse_resolution(kbdc, res) != res) 1877 return FALSE; 1878 if (set_mouse_scaling(kbdc, scale) 1879 && set_mouse_scaling(kbdc, scale) 1880 && set_mouse_scaling(kbdc, scale) 1881 && (get_mouse_status(kbdc, status, 0, 3) >= 3)) 1882 return TRUE; 1883 return FALSE; 1884 } 1885 1886 #if notyet 1887 /* Logitech MouseMan Cordless II */ 1888 static int 1889 enable_lcordless(struct psm_softc *sc) 1890 { 1891 int status[3]; 1892 int ch; 1893 1894 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 1895 return FALSE; 1896 if (status[1] == PSMD_RES_HIGH) 1897 return FALSE; 1898 ch = (status[0] & 0x07) - 1; /* channel # */ 1899 if ((ch <= 0) || (ch > 4)) 1900 return FALSE; 1901 /* 1902 * status[1]: always one? 1903 * status[2]: battery status? (0-100) 1904 */ 1905 return TRUE; 1906 } 1907 #endif /* notyet */ 1908 1909 /* Genius NetScroll Mouse */ 1910 static int 1911 enable_groller(struct psm_softc *sc) 1912 { 1913 int status[3]; 1914 1915 /* 1916 * The special sequence to enable the fourth button and the 1917 * roller. Immediately after this sequence check status bytes. 1918 * if the mouse is NetScroll, the second and the third bytes are 1919 * '3' and 'D'. 1920 */ 1921 1922 /* 1923 * If the mouse is an ordinary PS/2 mouse, the status bytes should 1924 * look like the following. 1925 * 1926 * byte 1 bit 7 always 0 1927 * bit 6 stream mode (0) 1928 * bit 5 disabled (0) 1929 * bit 4 1:1 scaling (0) 1930 * bit 3 always 0 1931 * bit 0-2 button status 1932 * byte 2 resolution (PSMD_RES_HIGH) 1933 * byte 3 report rate (?) 1934 */ 1935 1936 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 1937 return FALSE; 1938 if ((status[1] != '3') || (status[2] != 'D')) 1939 return FALSE; 1940 /* FIXME!! */ 1941 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1942 sc->hw.buttons = 4; 1943 return TRUE; 1944 } 1945 1946 /* Genius NetMouse/NetMouse Pro */ 1947 static int 1948 enable_gmouse(struct psm_softc *sc) 1949 { 1950 int status[3]; 1951 1952 /* 1953 * The special sequence to enable the middle, "rubber" button. 1954 * Immediately after this sequence check status bytes. 1955 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 1956 * the second and the third bytes are '3' and 'U'. 1957 * NOTE: NetMouse reports that it has three buttons although it has 1958 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 1959 * say they have three buttons too and they do have a button on the 1960 * side... 1961 */ 1962 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 1963 return FALSE; 1964 if ((status[1] != '3') || (status[2] != 'U')) 1965 return FALSE; 1966 return TRUE; 1967 } 1968 1969 /* ALPS GlidePoint */ 1970 static int 1971 enable_aglide(struct psm_softc *sc) 1972 { 1973 int status[3]; 1974 1975 /* 1976 * The special sequence to obtain ALPS GlidePoint specific 1977 * information. Immediately after this sequence, status bytes will 1978 * contain something interesting. 1979 * NOTE: ALPS produces several models of GlidePoint. Some of those 1980 * do not respond to this sequence, thus, cannot be detected this way. 1981 */ 1982 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 1983 return FALSE; 1984 if ((status[0] & 0x10) || (status[1] == PSMD_RES_LOW)) 1985 return FALSE; 1986 return TRUE; 1987 } 1988 1989 /* Kensington ThinkingMouse/Trackball */ 1990 static int 1991 enable_kmouse(struct psm_softc *sc) 1992 { 1993 static unsigned char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 1994 KBDC kbdc = sc->kbdc; 1995 int status[3]; 1996 int id1; 1997 int id2; 1998 int i; 1999 2000 id1 = get_aux_id(kbdc); 2001 if (set_mouse_sampling_rate(kbdc, 10) != 10) 2002 return FALSE; 2003 /* 2004 * The device is now in the native mode? It returns a different 2005 * ID value... 2006 */ 2007 id2 = get_aux_id(kbdc); 2008 if ((id1 == id2) || (id2 != 2)) 2009 return FALSE; 2010 2011 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 2012 return FALSE; 2013 #if PSM_DEBUG >= 2 2014 /* at this point, resolution is LOW, sampling rate is 10/sec */ 2015 if (get_mouse_status(kbdc, status, 0, 3) < 3) 2016 return FALSE; 2017 #endif 2018 2019 /* 2020 * The special sequence to enable the third and fourth buttons. 2021 * Otherwise they behave like the first and second buttons. 2022 */ 2023 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2024 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2025 return FALSE; 2026 } 2027 2028 /* 2029 * At this point, the device is using default resolution and 2030 * sampling rate for the native mode. 2031 */ 2032 if (get_mouse_status(kbdc, status, 0, 3) < 3) 2033 return FALSE; 2034 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 2035 return FALSE; 2036 2037 /* the device appears be enabled by this sequence, diable it for now */ 2038 disable_aux_dev(kbdc); 2039 empty_aux_buffer(kbdc, 5); 2040 2041 return TRUE; 2042 } 2043 2044 /* Logitech MouseMan+/FirstMouse+ */ 2045 static int 2046 enable_mmanplus(struct psm_softc *sc) 2047 { 2048 static char res[] = { 2049 -1, PSMD_RES_LOW, PSMD_RES_HIGH, PSMD_RES_MEDIUM_HIGH, 2050 PSMD_RES_MEDIUM_LOW, -1, PSMD_RES_HIGH, PSMD_RES_MEDIUM_LOW, 2051 PSMD_RES_MEDIUM_HIGH, PSMD_RES_HIGH, 2052 }; 2053 KBDC kbdc = sc->kbdc; 2054 int data[3]; 2055 int i; 2056 2057 /* the special sequence to enable the fourth button and the roller. */ 2058 for (i = 0; i < sizeof(res)/sizeof(res[0]); ++i) { 2059 if (res[i] < 0) { 2060 if (!set_mouse_scaling(kbdc, 1)) 2061 return FALSE; 2062 } else { 2063 if (set_mouse_resolution(kbdc, res[i]) != res[i]) 2064 return FALSE; 2065 } 2066 } 2067 2068 if (get_mouse_status(kbdc, data, 1, 3) < 3) 2069 return FALSE; 2070 2071 /* 2072 * MouseMan+ and FirstMouse+ return following data. 2073 * 2074 * byte 1 0xc8 2075 * byte 2 ?? (MouseMan+:0xc2, FirstMouse+:0xc6) 2076 * byte 3 model ID? MouseMan+:0x50, FirstMouse+:0x51 2077 */ 2078 if ((data[0] & ~MOUSE_PS2_BUTTONS) != 0xc8) 2079 return FALSE; 2080 2081 /* 2082 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 2083 * the wheel and the fourth button events are encoded in the 2084 * special data packet. The mouse may be put in the IntelliMouse mode 2085 * if it is initialized by the IntelliMouse's method. 2086 */ 2087 return TRUE; 2088 } 2089 2090 /* MS IntelliMouse */ 2091 static int 2092 enable_msintelli(struct psm_softc *sc) 2093 { 2094 /* 2095 * Logitech MouseMan+ and FirstMouse+ will also respond to this 2096 * probe routine and act like IntelliMouse. 2097 */ 2098 2099 static unsigned char rate[] = { 200, 100, 80, }; 2100 KBDC kbdc = sc->kbdc; 2101 int id; 2102 int i; 2103 2104 /* the special sequence to enable the third button and the roller. */ 2105 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) { 2106 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 2107 return FALSE; 2108 } 2109 /* the device will give the genuine ID only after the above sequence */ 2110 id = get_aux_id(kbdc); 2111 if (id != PSM_INTELLI_ID) 2112 return FALSE; 2113 2114 sc->hw.hwid = id; 2115 sc->hw.buttons = 3; 2116 2117 return TRUE; 2118 } 2119 2120 #ifdef PSM_HOOKAPM 2121 static int 2122 psmresume(void *dummy) 2123 { 2124 struct psm_softc *sc = psm_softc[(int)dummy]; 2125 int unit = (int)dummy; 2126 int err = 0; 2127 int s; 2128 int c; 2129 2130 if (verbose >= 2) 2131 log(LOG_NOTICE, "psm%d: APM resume hook called.\n", unit); 2132 2133 /* don't let anybody mess with the aux device */ 2134 if (!kbdc_lock(sc->kbdc, TRUE)) 2135 return (EIO); 2136 s = spltty(); 2137 2138 /* save the current controller command byte */ 2139 empty_both_buffers(sc->kbdc, 10); 2140 c = get_controller_command_byte(sc->kbdc); 2141 if (verbose >= 2) 2142 log(LOG_DEBUG, "psm%d: current command byte: %04x (psmresume).\n", 2143 unit, c); 2144 2145 /* enable the aux port but disable the aux interrupt and the keyboard */ 2146 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 2147 kbdc_get_device_mask(sc->kbdc), 2148 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT 2149 | KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2150 /* CONTROLLER ERROR */ 2151 splx(s); 2152 kbdc_lock(sc->kbdc, FALSE); 2153 log(LOG_ERR, "psm%d: unable to set the command byte (psmresume).\n", 2154 unit); 2155 return (EIO); 2156 } 2157 2158 /* flush any data */ 2159 if (sc->state & PSM_VALID) { 2160 disable_aux_dev(sc->kbdc); /* this may fail; but never mind... */ 2161 empty_aux_buffer(sc->kbdc, 10); 2162 } 2163 sc->inputbytes = 0; 2164 2165 #ifdef PSM_RESETAFTERSUSPEND 2166 /* try to detect the aux device; are you still there? */ 2167 if (reinitialize(unit, &sc->mode)) { 2168 /* yes */ 2169 sc->state |= PSM_VALID; 2170 } else { 2171 /* the device has gone! */ 2172 restore_controller(sc->kbdc, c); 2173 sc->state &= ~PSM_VALID; 2174 log(LOG_ERR, "psm%d: the aux device has gone! (psmresume).\n", 2175 unit); 2176 err = ENXIO; 2177 } 2178 #endif /* PSM_RESETAFTERSUSPEND */ 2179 splx(s); 2180 2181 /* restore the driver state */ 2182 if ((sc->state & PSM_OPEN) && (err == 0)) { 2183 /* enable the aux device and the port again */ 2184 err = doopen(unit, c); 2185 if (err != 0) 2186 log(LOG_ERR, "psm%d: failed to enable the device (psmresume).\n", 2187 unit); 2188 } else { 2189 /* restore the keyboard port and disable the aux port */ 2190 if (!set_controller_command_byte(sc->kbdc, 2191 kbdc_get_device_mask(sc->kbdc), 2192 (c & KBD_KBD_CONTROL_BITS) 2193 | KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 2194 /* CONTROLLER ERROR */ 2195 log(LOG_ERR, "psm%d: failed to disable the aux port (psmresume).\n", 2196 unit); 2197 err = EIO; 2198 } 2199 } 2200 2201 /* done */ 2202 kbdc_lock(sc->kbdc, FALSE); 2203 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 2204 /* 2205 * Release the blocked process; it must be notified that the device 2206 * cannot be accessed anymore. 2207 */ 2208 sc->state &= ~PSM_ASLP; 2209 wakeup((caddr_t)sc); 2210 } 2211 2212 if (verbose >= 2) 2213 log(LOG_DEBUG, "psm%d: APM resume hook exiting.\n", unit); 2214 2215 return (err); 2216 } 2217 #endif /* PSM_HOOKAPM */ 2218 2219 CDEV_DRIVER_MODULE(psm, isa, psm_driver, psm_devclass, 2220 CDEV_MAJOR, psm_cdevsw, 0, 0); 2221 2222 #endif /* NPSM > 0 */ 2223