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 /* 24 * Ported to 386bsd Oct 17, 1992 25 * Sandi Donno, Computer Science, University of Cape Town, South Africa 26 * Please send bug reports to sandi@cs.uct.ac.za 27 * 28 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 29 * although I was only partially successful in getting the alpha release 30 * of his "driver for the Logitech and ATI Inport Bus mice for use with 31 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 32 * found his code to be an invaluable reference when porting this driver 33 * to 386bsd. 34 * 35 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 36 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 37 * 38 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 39 * Andrew Herbert - 12 June 1993 40 * 41 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 42 * - 13 June 1993 43 * 44 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 45 * - 24 October 1993 46 * 47 * Hardware access routines and probe logic rewritten by 48 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 49 * - 3, 14, 22 October 1996. 50 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 51 * - 14, 30 November 1996. Uses `kbdio.c'. 52 * - 13 December 1996. Uses queuing version of `kbdio.c'. 53 * - January/February 1997. Tweaked probe logic for 54 * HiNote UltraII/Latitude/Armada laptops. 55 * - 30 July 1997. Added APM support. 56 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 57 * Improved sync check logic. 58 * Vendor specific support routines. 59 */ 60 61 #include <sys/cdefs.h> 62 __FBSDID("$FreeBSD$"); 63 64 #include "opt_isa.h" 65 #include "opt_psm.h" 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #include <sys/kernel.h> 70 #include <sys/module.h> 71 #include <sys/bus.h> 72 #include <sys/conf.h> 73 #include <sys/filio.h> 74 #include <sys/poll.h> 75 #include <sys/sigio.h> 76 #include <sys/signalvar.h> 77 #include <sys/syslog.h> 78 #include <machine/bus.h> 79 #include <sys/rman.h> 80 #include <sys/selinfo.h> 81 #include <sys/sysctl.h> 82 #include <sys/time.h> 83 #include <sys/uio.h> 84 85 #include <sys/limits.h> 86 #include <sys/mouse.h> 87 #include <machine/resource.h> 88 89 #ifdef DEV_ISA 90 #include <isa/isavar.h> 91 #endif 92 93 #include <dev/atkbdc/atkbdcreg.h> 94 #include <dev/atkbdc/psm.h> 95 96 /* 97 * Driver specific options: the following options may be set by 98 * `options' statements in the kernel configuration file. 99 */ 100 101 /* debugging */ 102 #ifndef PSM_DEBUG 103 #define PSM_DEBUG 0 /* 104 * logging: 0: none, 1: brief, 2: verbose 105 * 3: sync errors, 4: all packets 106 */ 107 #endif 108 #define VLOG(level, args) do { \ 109 if (verbose >= level) \ 110 log args; \ 111 } while (0) 112 113 #ifndef PSM_INPUT_TIMEOUT 114 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 115 #endif 116 117 #ifndef PSM_TAP_TIMEOUT 118 #define PSM_TAP_TIMEOUT 125000 119 #endif 120 121 #ifndef PSM_TAP_THRESHOLD 122 #define PSM_TAP_THRESHOLD 25 123 #endif 124 125 /* end of driver specific options */ 126 127 #define PSMCPNP_DRIVER_NAME "psmcpnp" 128 129 /* input queue */ 130 #define PSM_BUFSIZE 960 131 #define PSM_SMALLBUFSIZE 240 132 133 /* operation levels */ 134 #define PSM_LEVEL_BASE 0 135 #define PSM_LEVEL_STANDARD 1 136 #define PSM_LEVEL_NATIVE 2 137 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 138 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 139 140 /* Logitech PS2++ protocol */ 141 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 142 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 143 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 144 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 145 146 /* ring buffer */ 147 typedef struct ringbuf { 148 int count; /* # of valid elements in the buffer */ 149 int head; /* head pointer */ 150 int tail; /* tail poiner */ 151 u_char buf[PSM_BUFSIZE]; 152 } ringbuf_t; 153 154 /* data buffer */ 155 typedef struct packetbuf { 156 u_char ipacket[16]; /* interim input buffer */ 157 int inputbytes; /* # of bytes in the input buffer */ 158 } packetbuf_t; 159 160 #ifndef PSM_PACKETQUEUE 161 #define PSM_PACKETQUEUE 128 162 #endif 163 164 enum { 165 SYNAPTICS_SYSCTL_MIN_PRESSURE, 166 SYNAPTICS_SYSCTL_MAX_PRESSURE, 167 SYNAPTICS_SYSCTL_MAX_WIDTH, 168 SYNAPTICS_SYSCTL_MARGIN_TOP, 169 SYNAPTICS_SYSCTL_MARGIN_RIGHT, 170 SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 171 SYNAPTICS_SYSCTL_MARGIN_LEFT, 172 SYNAPTICS_SYSCTL_NA_TOP, 173 SYNAPTICS_SYSCTL_NA_RIGHT, 174 SYNAPTICS_SYSCTL_NA_BOTTOM, 175 SYNAPTICS_SYSCTL_NA_LEFT, 176 SYNAPTICS_SYSCTL_WINDOW_MIN, 177 SYNAPTICS_SYSCTL_WINDOW_MAX, 178 SYNAPTICS_SYSCTL_MULTIPLICATOR, 179 SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 180 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 181 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 182 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 183 SYNAPTICS_SYSCTL_DIV_MIN, 184 SYNAPTICS_SYSCTL_DIV_MAX, 185 SYNAPTICS_SYSCTL_DIV_MAX_NA, 186 SYNAPTICS_SYSCTL_DIV_LEN, 187 SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 188 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 189 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 190 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 191 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 192 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 193 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 194 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX 195 }; 196 197 typedef struct synapticsinfo { 198 struct sysctl_ctx_list sysctl_ctx; 199 struct sysctl_oid *sysctl_tree; 200 int directional_scrolls; 201 int min_pressure; 202 int max_pressure; 203 int max_width; 204 int margin_top; 205 int margin_right; 206 int margin_bottom; 207 int margin_left; 208 int na_top; 209 int na_right; 210 int na_bottom; 211 int na_left; 212 int window_min; 213 int window_max; 214 int multiplicator; 215 int weight_current; 216 int weight_previous; 217 int weight_previous_na; 218 int weight_len_squared; 219 int div_min; 220 int div_max; 221 int div_max_na; 222 int div_len; 223 int tap_max_delta; 224 int tap_min_queue; 225 int taphold_timeout; 226 int vscroll_ver_area; 227 int vscroll_hor_area; 228 int vscroll_min_delta; 229 int vscroll_div_min; 230 int vscroll_div_max; 231 } synapticsinfo_t; 232 233 typedef struct synapticspacket { 234 int x; 235 int y; 236 } synapticspacket_t; 237 238 #define SYNAPTICS_PACKETQUEUE 10 239 #define SYNAPTICS_QUEUE_CURSOR(x) \ 240 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 241 242 #define SYNAPTICS_VERSION_GE(synhw, major, minor) \ 243 ((synhw).infoMajor > (major) || \ 244 ((synhw).infoMajor == (major) && (synhw).infoMinor >= (minor))) 245 246 typedef struct synapticsaction { 247 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 248 int queue_len; 249 int queue_cursor; 250 int window_min; 251 int start_x; 252 int start_y; 253 int avg_dx; 254 int avg_dy; 255 int squelch_x; 256 int squelch_y; 257 int fingers_nb; 258 int tap_button; 259 int in_taphold; 260 int in_vscroll; 261 } synapticsaction_t; 262 263 enum { 264 TRACKPOINT_SYSCTL_SENSITIVITY, 265 TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 266 TRACKPOINT_SYSCTL_UPPER_PLATEAU, 267 TRACKPOINT_SYSCTL_BACKUP_RANGE, 268 TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 269 TRACKPOINT_SYSCTL_MINIMUM_DRAG, 270 TRACKPOINT_SYSCTL_UP_THRESHOLD, 271 TRACKPOINT_SYSCTL_THRESHOLD, 272 TRACKPOINT_SYSCTL_JENKS_CURVATURE, 273 TRACKPOINT_SYSCTL_Z_TIME, 274 TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 275 TRACKPOINT_SYSCTL_SKIP_BACKUPS 276 }; 277 278 typedef struct trackpointinfo { 279 struct sysctl_ctx_list sysctl_ctx; 280 struct sysctl_oid *sysctl_tree; 281 int sensitivity; 282 int inertia; 283 int uplateau; 284 int reach; 285 int draghys; 286 int mindrag; 287 int upthresh; 288 int threshold; 289 int jenks; 290 int ztime; 291 int pts; 292 int skipback; 293 } trackpointinfo_t; 294 295 /* driver control block */ 296 struct psm_softc { /* Driver status information */ 297 int unit; 298 struct selinfo rsel; /* Process selecting for Input */ 299 u_char state; /* Mouse driver state */ 300 int config; /* driver configuration flags */ 301 int flags; /* other flags */ 302 KBDC kbdc; /* handle to access kbd controller */ 303 struct resource *intr; /* IRQ resource */ 304 void *ih; /* interrupt handle */ 305 mousehw_t hw; /* hardware information */ 306 synapticshw_t synhw; /* Synaptics hardware information */ 307 synapticsinfo_t syninfo; /* Synaptics configuration */ 308 synapticsaction_t synaction; /* Synaptics action context */ 309 int tphw; /* TrackPoint hardware information */ 310 trackpointinfo_t tpinfo; /* TrackPoint configuration */ 311 mousemode_t mode; /* operation mode */ 312 mousemode_t dflt_mode; /* default operation mode */ 313 mousestatus_t status; /* accumulated mouse movement */ 314 ringbuf_t queue; /* mouse status queue */ 315 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 316 int pqueue_start; /* start of data in queue */ 317 int pqueue_end; /* end of data in queue */ 318 int button; /* the latest button state */ 319 int xold; /* previous absolute X position */ 320 int yold; /* previous absolute Y position */ 321 int xaverage; /* average X position */ 322 int yaverage; /* average Y position */ 323 int squelch; /* level to filter movement at low speed */ 324 int zmax; /* maximum pressure value for touchpads */ 325 int syncerrors; /* # of bytes discarded to synchronize */ 326 int pkterrors; /* # of packets failed during quaranteen. */ 327 struct timeval inputtimeout; 328 struct timeval lastsoftintr; /* time of last soft interrupt */ 329 struct timeval lastinputerr; /* time last sync error happened */ 330 struct timeval taptimeout; /* tap timeout for touchpads */ 331 int watchdog; /* watchdog timer flag */ 332 struct callout callout; /* watchdog timer call out */ 333 struct callout softcallout; /* buffer timer call out */ 334 struct cdev *dev; 335 struct cdev *bdev; 336 int lasterr; 337 int cmdcount; 338 struct sigio *async; /* Processes waiting for SIGIO */ 339 }; 340 static devclass_t psm_devclass; 341 342 /* driver state flags (state) */ 343 #define PSM_VALID 0x80 344 #define PSM_OPEN 1 /* Device is open */ 345 #define PSM_ASLP 2 /* Waiting for mouse data */ 346 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 347 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 348 349 /* driver configuration flags (config) */ 350 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 351 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 352 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 353 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 354 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 355 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 356 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 357 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 358 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 359 360 #define PSM_CONFIG_FLAGS \ 361 (PSM_CONFIG_RESOLUTION | \ 362 PSM_CONFIG_ACCEL | \ 363 PSM_CONFIG_NOCHECKSYNC | \ 364 PSM_CONFIG_NOIDPROBE | \ 365 PSM_CONFIG_NORESET | \ 366 PSM_CONFIG_FORCETAP | \ 367 PSM_CONFIG_IGNPORTERROR | \ 368 PSM_CONFIG_HOOKRESUME | \ 369 PSM_CONFIG_INITAFTERSUSPEND) 370 371 /* other flags (flags) */ 372 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 373 374 /* Tunables */ 375 static int tap_enabled = -1; 376 TUNABLE_INT("hw.psm.tap_enabled", &tap_enabled); 377 378 static int synaptics_support = 0; 379 TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 380 381 static int trackpoint_support = 0; 382 TUNABLE_INT("hw.psm.trackpoint_support", &trackpoint_support); 383 384 static int verbose = PSM_DEBUG; 385 TUNABLE_INT("debug.psm.loglevel", &verbose); 386 387 /* for backward compatibility */ 388 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 389 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 390 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 391 392 typedef struct old_mousehw { 393 int buttons; 394 int iftype; 395 int type; 396 int hwid; 397 } old_mousehw_t; 398 399 typedef struct old_mousemode { 400 int protocol; 401 int rate; 402 int resolution; 403 int accelfactor; 404 } old_mousemode_t; 405 406 /* packet formatting function */ 407 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 408 mousestatus_t *); 409 410 /* function prototypes */ 411 static void psmidentify(driver_t *, device_t); 412 static int psmprobe(device_t); 413 static int psmattach(device_t); 414 static int psmdetach(device_t); 415 static int psmresume(device_t); 416 417 static d_open_t psmopen; 418 static d_close_t psmclose; 419 static d_read_t psmread; 420 static d_write_t psmwrite; 421 static d_ioctl_t psmioctl; 422 static d_poll_t psmpoll; 423 424 static int enable_aux_dev(KBDC); 425 static int disable_aux_dev(KBDC); 426 static int get_mouse_status(KBDC, int *, int, int); 427 static int get_aux_id(KBDC); 428 static int set_mouse_sampling_rate(KBDC, int); 429 static int set_mouse_scaling(KBDC, int); 430 static int set_mouse_resolution(KBDC, int); 431 static int set_mouse_mode(KBDC); 432 static int get_mouse_buttons(KBDC); 433 static int is_a_mouse(int); 434 static void recover_from_error(KBDC); 435 static int restore_controller(KBDC, int); 436 static int doinitialize(struct psm_softc *, mousemode_t *); 437 static int doopen(struct psm_softc *, int); 438 static int reinitialize(struct psm_softc *, int); 439 static char *model_name(int); 440 static void psmsoftintr(void *); 441 static void psmintr(void *); 442 static void psmtimeout(void *); 443 static int timeelapsed(const struct timeval *, int, int, 444 const struct timeval *); 445 static void dropqueue(struct psm_softc *); 446 static void flushpackets(struct psm_softc *); 447 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 448 mousestatus_t *, int *, int *, int *); 449 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 450 mousestatus_t *, int *, int *, int *); 451 static void proc_versapad(struct psm_softc *, packetbuf_t *, 452 mousestatus_t *, int *, int *, int *); 453 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 454 u_char *); 455 456 /* vendor specific features */ 457 typedef int probefunc_t(KBDC, struct psm_softc *); 458 459 static int mouse_id_proc1(KBDC, int, int, int *); 460 static int mouse_ext_command(KBDC, int); 461 462 static probefunc_t enable_groller; 463 static probefunc_t enable_gmouse; 464 static probefunc_t enable_aglide; 465 static probefunc_t enable_kmouse; 466 static probefunc_t enable_msexplorer; 467 static probefunc_t enable_msintelli; 468 static probefunc_t enable_4dmouse; 469 static probefunc_t enable_4dplus; 470 static probefunc_t enable_mmanplus; 471 static probefunc_t enable_synaptics; 472 static probefunc_t enable_trackpoint; 473 static probefunc_t enable_versapad; 474 475 static struct { 476 int model; 477 u_char syncmask; 478 int packetsize; 479 probefunc_t *probefunc; 480 } vendortype[] = { 481 /* 482 * WARNING: the order of probe is very important. Don't mess it 483 * unless you know what you are doing. 484 */ 485 { MOUSE_MODEL_NET, /* Genius NetMouse */ 486 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 487 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 488 0xc8, 6, enable_groller }, 489 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 490 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 491 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 492 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 493 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 494 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 495 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 496 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 497 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 498 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 499 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 500 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 501 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 502 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 503 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 504 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 505 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 506 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 507 { MOUSE_MODEL_TRACKPOINT, /* IBM/Lenovo TrackPoint */ 508 0xc0, MOUSE_PS2_PACKETSIZE, enable_trackpoint }, 509 { MOUSE_MODEL_GENERIC, 510 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 511 }; 512 #define GENERIC_MOUSE_ENTRY \ 513 ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 514 515 /* device driver declarateion */ 516 static device_method_t psm_methods[] = { 517 /* Device interface */ 518 DEVMETHOD(device_identify, psmidentify), 519 DEVMETHOD(device_probe, psmprobe), 520 DEVMETHOD(device_attach, psmattach), 521 DEVMETHOD(device_detach, psmdetach), 522 DEVMETHOD(device_resume, psmresume), 523 524 { 0, 0 } 525 }; 526 527 static driver_t psm_driver = { 528 PSM_DRIVER_NAME, 529 psm_methods, 530 sizeof(struct psm_softc), 531 }; 532 533 static struct cdevsw psm_cdevsw = { 534 .d_version = D_VERSION, 535 .d_flags = D_NEEDGIANT, 536 .d_open = psmopen, 537 .d_close = psmclose, 538 .d_read = psmread, 539 .d_write = psmwrite, 540 .d_ioctl = psmioctl, 541 .d_poll = psmpoll, 542 .d_name = PSM_DRIVER_NAME, 543 }; 544 545 /* device I/O routines */ 546 static int 547 enable_aux_dev(KBDC kbdc) 548 { 549 int res; 550 551 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 552 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 553 554 return (res == PSM_ACK); 555 } 556 557 static int 558 disable_aux_dev(KBDC kbdc) 559 { 560 int res; 561 562 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 563 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 564 565 return (res == PSM_ACK); 566 } 567 568 static int 569 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 570 { 571 int cmd; 572 int res; 573 int i; 574 575 switch (flag) { 576 case 0: 577 default: 578 cmd = PSMC_SEND_DEV_STATUS; 579 break; 580 case 1: 581 cmd = PSMC_SEND_DEV_DATA; 582 break; 583 } 584 empty_aux_buffer(kbdc, 5); 585 res = send_aux_command(kbdc, cmd); 586 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 587 (flag == 1) ? "DATA" : "STATUS", res)); 588 if (res != PSM_ACK) 589 return (0); 590 591 for (i = 0; i < len; ++i) { 592 status[i] = read_aux_data(kbdc); 593 if (status[i] < 0) 594 break; 595 } 596 597 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 598 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 599 600 return (i); 601 } 602 603 static int 604 get_aux_id(KBDC kbdc) 605 { 606 int res; 607 int id; 608 609 empty_aux_buffer(kbdc, 5); 610 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 611 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 612 if (res != PSM_ACK) 613 return (-1); 614 615 /* 10ms delay */ 616 DELAY(10000); 617 618 id = read_aux_data(kbdc); 619 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 620 621 return (id); 622 } 623 624 static int 625 set_mouse_sampling_rate(KBDC kbdc, int rate) 626 { 627 int res; 628 629 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 630 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 631 632 return ((res == PSM_ACK) ? rate : -1); 633 } 634 635 static int 636 set_mouse_scaling(KBDC kbdc, int scale) 637 { 638 int res; 639 640 switch (scale) { 641 case 1: 642 default: 643 scale = PSMC_SET_SCALING11; 644 break; 645 case 2: 646 scale = PSMC_SET_SCALING21; 647 break; 648 } 649 res = send_aux_command(kbdc, scale); 650 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 651 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 652 653 return (res == PSM_ACK); 654 } 655 656 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 657 static int 658 set_mouse_resolution(KBDC kbdc, int val) 659 { 660 int res; 661 662 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 663 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 664 665 return ((res == PSM_ACK) ? val : -1); 666 } 667 668 /* 669 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 670 * re-enabled by calling `enable_aux_dev()' 671 */ 672 static int 673 set_mouse_mode(KBDC kbdc) 674 { 675 int res; 676 677 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 678 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 679 680 return (res == PSM_ACK); 681 } 682 683 static int 684 get_mouse_buttons(KBDC kbdc) 685 { 686 int c = 2; /* assume two buttons by default */ 687 int status[3]; 688 689 /* 690 * NOTE: a special sequence to obtain Logitech Mouse specific 691 * information: set resolution to 25 ppi, set scaling to 1:1, set 692 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 693 * mouse status bytes is the number of available buttons. 694 * Some manufactures also support this sequence. 695 */ 696 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 697 return (c); 698 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 699 set_mouse_scaling(kbdc, 1) && 700 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 701 return (status[1]); 702 return (c); 703 } 704 705 /* misc subroutines */ 706 /* 707 * Someday, I will get the complete list of valid pointing devices and 708 * their IDs... XXX 709 */ 710 static int 711 is_a_mouse(int id) 712 { 713 #if 0 714 static int valid_ids[] = { 715 PSM_MOUSE_ID, /* mouse */ 716 PSM_BALLPOINT_ID, /* ballpoint device */ 717 PSM_INTELLI_ID, /* Intellimouse */ 718 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 719 -1 /* end of table */ 720 }; 721 int i; 722 723 for (i = 0; valid_ids[i] >= 0; ++i) 724 if (valid_ids[i] == id) 725 return (TRUE); 726 return (FALSE); 727 #else 728 return (TRUE); 729 #endif 730 } 731 732 static char * 733 model_name(int model) 734 { 735 static struct { 736 int model_code; 737 char *model_name; 738 } models[] = { 739 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 740 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 741 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 742 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 743 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 744 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 745 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 746 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 747 { MOUSE_MODEL_4D, "4D Mouse" }, 748 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 749 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 750 { MOUSE_MODEL_TRACKPOINT, "IBM/Lenovo TrackPoint" }, 751 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 752 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 753 }; 754 int i; 755 756 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 757 if (models[i].model_code == model) 758 break; 759 return (models[i].model_name); 760 } 761 762 static void 763 recover_from_error(KBDC kbdc) 764 { 765 /* discard anything left in the output buffer */ 766 empty_both_buffers(kbdc, 10); 767 768 #if 0 769 /* 770 * NOTE: KBDC_RESET_KBD may not restore the communication between the 771 * keyboard and the controller. 772 */ 773 reset_kbd(kbdc); 774 #else 775 /* 776 * NOTE: somehow diagnostic and keyboard port test commands bring the 777 * keyboard back. 778 */ 779 if (!test_controller(kbdc)) 780 log(LOG_ERR, "psm: keyboard controller failed.\n"); 781 /* if there isn't a keyboard in the system, the following error is OK */ 782 if (test_kbd_port(kbdc) != 0) 783 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 784 #endif 785 } 786 787 static int 788 restore_controller(KBDC kbdc, int command_byte) 789 { 790 empty_both_buffers(kbdc, 10); 791 792 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 793 log(LOG_ERR, "psm: failed to restore the keyboard controller " 794 "command byte.\n"); 795 empty_both_buffers(kbdc, 10); 796 return (FALSE); 797 } else { 798 empty_both_buffers(kbdc, 10); 799 return (TRUE); 800 } 801 } 802 803 /* 804 * Re-initialize the aux port and device. The aux port must be enabled 805 * and its interrupt must be disabled before calling this routine. 806 * The aux device will be disabled before returning. 807 * The keyboard controller must be locked via `kbdc_lock()' before 808 * calling this routine. 809 */ 810 static int 811 doinitialize(struct psm_softc *sc, mousemode_t *mode) 812 { 813 KBDC kbdc = sc->kbdc; 814 int stat[3]; 815 int i; 816 817 switch((i = test_aux_port(kbdc))) { 818 case 1: /* ignore these errors */ 819 case 2: 820 case 3: 821 case PSM_ACK: 822 if (verbose) 823 log(LOG_DEBUG, 824 "psm%d: strange result for test aux port (%d).\n", 825 sc->unit, i); 826 /* FALLTHROUGH */ 827 case 0: /* no error */ 828 break; 829 case -1: /* time out */ 830 default: /* error */ 831 recover_from_error(kbdc); 832 if (sc->config & PSM_CONFIG_IGNPORTERROR) 833 break; 834 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 835 sc->unit, i); 836 return (FALSE); 837 } 838 839 if (sc->config & PSM_CONFIG_NORESET) { 840 /* 841 * Don't try to reset the pointing device. It may possibly 842 * be left in the unknown state, though... 843 */ 844 } else { 845 /* 846 * NOTE: some controllers appears to hang the `keyboard' when 847 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 848 */ 849 if (!reset_aux_dev(kbdc)) { 850 recover_from_error(kbdc); 851 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 852 sc->unit); 853 return (FALSE); 854 } 855 } 856 857 /* 858 * both the aux port and the aux device is functioning, see 859 * if the device can be enabled. 860 */ 861 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 862 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 863 sc->unit); 864 return (FALSE); 865 } 866 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 867 868 /* Re-enable the mouse. */ 869 for (i = 0; vendortype[i].probefunc != NULL; ++i) 870 if (vendortype[i].model == sc->hw.model) 871 (*vendortype[i].probefunc)(sc->kbdc, NULL); 872 873 /* set mouse parameters */ 874 if (mode != (mousemode_t *)NULL) { 875 if (mode->rate > 0) 876 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 877 if (mode->resolution >= 0) 878 mode->resolution = 879 set_mouse_resolution(kbdc, mode->resolution); 880 set_mouse_scaling(kbdc, 1); 881 set_mouse_mode(kbdc); 882 } 883 884 /* Record sync on the next data packet we see. */ 885 sc->flags |= PSM_NEED_SYNCBITS; 886 887 /* just check the status of the mouse */ 888 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 889 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 890 sc->unit); 891 892 return (TRUE); 893 } 894 895 static int 896 doopen(struct psm_softc *sc, int command_byte) 897 { 898 int stat[3]; 899 900 /* 901 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 902 * no obvious reason. Thus we check the current mode and restore the 903 * Absolute Mode if it was cleared. 904 * 905 * The previous hack at the end of psmprobe() wasn't efficient when 906 * moused(8) was restarted. 907 * 908 * A Reset (FF) or Set Defaults (F6) command would clear the 909 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 910 * doesn't show any evidence of such a command. 911 */ 912 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 913 mouse_ext_command(sc->kbdc, 1); 914 get_mouse_status(sc->kbdc, stat, 0, 3); 915 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || 916 stat[1] == 0x47) && 917 stat[2] == 0x40) { 918 /* Set the mode byte -- request wmode where 919 * available */ 920 if (sc->synhw.capExtended) 921 mouse_ext_command(sc->kbdc, 0xc1); 922 else 923 mouse_ext_command(sc->kbdc, 0xc0); 924 set_mouse_sampling_rate(sc->kbdc, 20); 925 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 926 "hopefully restored\n", 927 sc->unit)); 928 } 929 } 930 931 /* 932 * A user may want to disable tap and drag gestures on a Synaptics 933 * TouchPad when it operates in Relative Mode. 934 */ 935 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 936 if (tap_enabled > 0) { 937 /* 938 * Enable tap & drag gestures. We use a Mode Byte 939 * and clear the DisGest bit (see §2.5 of Synaptics 940 * TouchPad Interfacing Guide). 941 */ 942 VLOG(2, (LOG_DEBUG, 943 "psm%d: enable tap and drag gestures\n", 944 sc->unit)); 945 mouse_ext_command(sc->kbdc, 0x00); 946 set_mouse_sampling_rate(sc->kbdc, 20); 947 } else if (tap_enabled == 0) { 948 /* 949 * Disable tap & drag gestures. We use a Mode Byte 950 * and set the DisGest bit (see §2.5 of Synaptics 951 * TouchPad Interfacing Guide). 952 */ 953 VLOG(2, (LOG_DEBUG, 954 "psm%d: disable tap and drag gestures\n", 955 sc->unit)); 956 mouse_ext_command(sc->kbdc, 0x04); 957 set_mouse_sampling_rate(sc->kbdc, 20); 958 } 959 } 960 961 /* enable the mouse device */ 962 if (!enable_aux_dev(sc->kbdc)) { 963 /* MOUSE ERROR: failed to enable the mouse because: 964 * 1) the mouse is faulty, 965 * 2) the mouse has been removed(!?) 966 * In the latter case, the keyboard may have hung, and need 967 * recovery procedure... 968 */ 969 recover_from_error(sc->kbdc); 970 #if 0 971 /* FIXME: we could reset the mouse here and try to enable 972 * it again. But it will take long time and it's not a good 973 * idea to disable the keyboard that long... 974 */ 975 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 976 recover_from_error(sc->kbdc); 977 #else 978 { 979 #endif 980 restore_controller(sc->kbdc, command_byte); 981 /* mark this device is no longer available */ 982 sc->state &= ~PSM_VALID; 983 log(LOG_ERR, 984 "psm%d: failed to enable the device (doopen).\n", 985 sc->unit); 986 return (EIO); 987 } 988 } 989 990 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 991 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 992 sc->unit); 993 994 /* enable the aux port and interrupt */ 995 if (!set_controller_command_byte(sc->kbdc, 996 kbdc_get_device_mask(sc->kbdc), 997 (command_byte & KBD_KBD_CONTROL_BITS) | 998 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 999 /* CONTROLLER ERROR */ 1000 disable_aux_dev(sc->kbdc); 1001 restore_controller(sc->kbdc, command_byte); 1002 log(LOG_ERR, 1003 "psm%d: failed to enable the aux interrupt (doopen).\n", 1004 sc->unit); 1005 return (EIO); 1006 } 1007 1008 /* start the watchdog timer */ 1009 sc->watchdog = FALSE; 1010 callout_reset(&sc->callout, hz * 2, psmtimeout, sc); 1011 1012 return (0); 1013 } 1014 1015 static int 1016 reinitialize(struct psm_softc *sc, int doinit) 1017 { 1018 int err; 1019 int c; 1020 int s; 1021 1022 /* don't let anybody mess with the aux device */ 1023 if (!kbdc_lock(sc->kbdc, TRUE)) 1024 return (EIO); 1025 s = spltty(); 1026 1027 /* block our watchdog timer */ 1028 sc->watchdog = FALSE; 1029 callout_stop(&sc->callout); 1030 1031 /* save the current controller command byte */ 1032 empty_both_buffers(sc->kbdc, 10); 1033 c = get_controller_command_byte(sc->kbdc); 1034 VLOG(2, (LOG_DEBUG, 1035 "psm%d: current command byte: %04x (reinitialize).\n", 1036 sc->unit, c)); 1037 1038 /* enable the aux port but disable the aux interrupt and the keyboard */ 1039 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1040 kbdc_get_device_mask(sc->kbdc), 1041 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1042 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1043 /* CONTROLLER ERROR */ 1044 splx(s); 1045 kbdc_lock(sc->kbdc, FALSE); 1046 log(LOG_ERR, 1047 "psm%d: unable to set the command byte (reinitialize).\n", 1048 sc->unit); 1049 return (EIO); 1050 } 1051 1052 /* flush any data */ 1053 if (sc->state & PSM_VALID) { 1054 /* this may fail; but never mind... */ 1055 disable_aux_dev(sc->kbdc); 1056 empty_aux_buffer(sc->kbdc, 10); 1057 } 1058 flushpackets(sc); 1059 sc->syncerrors = 0; 1060 sc->pkterrors = 0; 1061 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1062 1063 /* try to detect the aux device; are you still there? */ 1064 err = 0; 1065 if (doinit) { 1066 if (doinitialize(sc, &sc->mode)) { 1067 /* yes */ 1068 sc->state |= PSM_VALID; 1069 } else { 1070 /* the device has gone! */ 1071 restore_controller(sc->kbdc, c); 1072 sc->state &= ~PSM_VALID; 1073 log(LOG_ERR, 1074 "psm%d: the aux device has gone! (reinitialize).\n", 1075 sc->unit); 1076 err = ENXIO; 1077 } 1078 } 1079 splx(s); 1080 1081 /* restore the driver state */ 1082 if ((sc->state & PSM_OPEN) && (err == 0)) { 1083 /* enable the aux device and the port again */ 1084 err = doopen(sc, c); 1085 if (err != 0) 1086 log(LOG_ERR, "psm%d: failed to enable the device " 1087 "(reinitialize).\n", sc->unit); 1088 } else { 1089 /* restore the keyboard port and disable the aux port */ 1090 if (!set_controller_command_byte(sc->kbdc, 1091 kbdc_get_device_mask(sc->kbdc), 1092 (c & KBD_KBD_CONTROL_BITS) | 1093 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1094 /* CONTROLLER ERROR */ 1095 log(LOG_ERR, "psm%d: failed to disable the aux port " 1096 "(reinitialize).\n", sc->unit); 1097 err = EIO; 1098 } 1099 } 1100 1101 kbdc_lock(sc->kbdc, FALSE); 1102 return (err); 1103 } 1104 1105 /* psm driver entry points */ 1106 1107 static void 1108 psmidentify(driver_t *driver, device_t parent) 1109 { 1110 device_t psmc; 1111 device_t psm; 1112 u_long irq; 1113 int unit; 1114 1115 unit = device_get_unit(parent); 1116 1117 /* always add at least one child */ 1118 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1119 if (psm == NULL) 1120 return; 1121 1122 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1123 if (irq > 0) 1124 return; 1125 1126 /* 1127 * If the PS/2 mouse device has already been reported by ACPI or 1128 * PnP BIOS, obtain the IRQ resource from it. 1129 * (See psmcpnp_attach() below.) 1130 */ 1131 psmc = device_find_child(device_get_parent(parent), 1132 PSMCPNP_DRIVER_NAME, unit); 1133 if (psmc == NULL) 1134 return; 1135 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1136 if (irq <= 0) 1137 return; 1138 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1139 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1140 } 1141 1142 #define endprobe(v) do { \ 1143 if (bootverbose) \ 1144 --verbose; \ 1145 kbdc_set_device_mask(sc->kbdc, mask); \ 1146 kbdc_lock(sc->kbdc, FALSE); \ 1147 return (v); \ 1148 } while (0) 1149 1150 static int 1151 psmprobe(device_t dev) 1152 { 1153 int unit = device_get_unit(dev); 1154 struct psm_softc *sc = device_get_softc(dev); 1155 int stat[3]; 1156 int command_byte; 1157 int mask; 1158 int rid; 1159 int i; 1160 1161 #if 0 1162 kbdc_debug(TRUE); 1163 #endif 1164 1165 /* see if IRQ is available */ 1166 rid = KBDC_RID_AUX; 1167 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1168 if (sc->intr == NULL) { 1169 if (bootverbose) 1170 device_printf(dev, "unable to allocate IRQ\n"); 1171 return (ENXIO); 1172 } 1173 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1174 1175 sc->unit = unit; 1176 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1177 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1178 /* XXX: for backward compatibility */ 1179 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1180 sc->config |= 1181 #ifdef PSM_RESETAFTERSUSPEND 1182 PSM_CONFIG_INITAFTERSUSPEND; 1183 #else 1184 PSM_CONFIG_HOOKRESUME; 1185 #endif 1186 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1187 sc->flags = 0; 1188 if (bootverbose) 1189 ++verbose; 1190 1191 device_set_desc(dev, "PS/2 Mouse"); 1192 1193 if (!kbdc_lock(sc->kbdc, TRUE)) { 1194 printf("psm%d: unable to lock the controller.\n", unit); 1195 if (bootverbose) 1196 --verbose; 1197 return (ENXIO); 1198 } 1199 1200 /* 1201 * NOTE: two bits in the command byte controls the operation of the 1202 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1203 * port interrupt (IRQ 12) enable bit (bit 2). 1204 */ 1205 1206 /* discard anything left after the keyboard initialization */ 1207 empty_both_buffers(sc->kbdc, 10); 1208 1209 /* save the current command byte; it will be used later */ 1210 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1211 command_byte = get_controller_command_byte(sc->kbdc); 1212 if (verbose) 1213 printf("psm%d: current command byte:%04x\n", unit, 1214 command_byte); 1215 if (command_byte == -1) { 1216 /* CONTROLLER ERROR */ 1217 printf("psm%d: unable to get the current command byte value.\n", 1218 unit); 1219 endprobe(ENXIO); 1220 } 1221 1222 /* 1223 * disable the keyboard port while probing the aux port, which must be 1224 * enabled during this routine 1225 */ 1226 if (!set_controller_command_byte(sc->kbdc, 1227 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1228 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1229 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1230 /* 1231 * this is CONTROLLER ERROR; I don't know how to recover 1232 * from this error... 1233 */ 1234 restore_controller(sc->kbdc, command_byte); 1235 printf("psm%d: unable to set the command byte.\n", unit); 1236 endprobe(ENXIO); 1237 } 1238 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1239 1240 /* 1241 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1242 * port exists and is functioning. However, some controllers appears 1243 * to respond with zero even when the aux port doesn't exist. (It may 1244 * be that this is only the case when the controller DOES have the aux 1245 * port but the port is not wired on the motherboard.) The keyboard 1246 * controllers without the port, such as the original AT, are 1247 * supposed to return with an error code or simply time out. In any 1248 * case, we have to continue probing the port even when the controller 1249 * passes this test. 1250 * 1251 * XXX: some controllers erroneously return the error code 1, 2 or 3 1252 * when it has a perfectly functional aux port. We have to ignore 1253 * this error code. Even if the controller HAS error with the aux 1254 * port, it will be detected later... 1255 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1256 */ 1257 switch ((i = test_aux_port(sc->kbdc))) { 1258 case 1: /* ignore these errors */ 1259 case 2: 1260 case 3: 1261 case PSM_ACK: 1262 if (verbose) 1263 printf("psm%d: strange result for test aux port " 1264 "(%d).\n", unit, i); 1265 /* FALLTHROUGH */ 1266 case 0: /* no error */ 1267 break; 1268 case -1: /* time out */ 1269 default: /* error */ 1270 recover_from_error(sc->kbdc); 1271 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1272 break; 1273 restore_controller(sc->kbdc, command_byte); 1274 if (verbose) 1275 printf("psm%d: the aux port is not functioning (%d).\n", 1276 unit, i); 1277 endprobe(ENXIO); 1278 } 1279 1280 if (sc->config & PSM_CONFIG_NORESET) { 1281 /* 1282 * Don't try to reset the pointing device. It may possibly be 1283 * left in an unknown state, though... 1284 */ 1285 } else { 1286 /* 1287 * NOTE: some controllers appears to hang the `keyboard' when 1288 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1289 * 1290 * Attempt to reset the controller twice -- this helps 1291 * pierce through some KVM switches. The second reset 1292 * is non-fatal. 1293 */ 1294 if (!reset_aux_dev(sc->kbdc)) { 1295 recover_from_error(sc->kbdc); 1296 restore_controller(sc->kbdc, command_byte); 1297 if (verbose) 1298 printf("psm%d: failed to reset the aux " 1299 "device.\n", unit); 1300 endprobe(ENXIO); 1301 } else if (!reset_aux_dev(sc->kbdc)) { 1302 recover_from_error(sc->kbdc); 1303 if (verbose >= 2) 1304 printf("psm%d: failed to reset the aux device " 1305 "(2).\n", unit); 1306 } 1307 } 1308 1309 /* 1310 * both the aux port and the aux device are functioning, see if the 1311 * device can be enabled. NOTE: when enabled, the device will start 1312 * sending data; we shall immediately disable the device once we know 1313 * the device can be enabled. 1314 */ 1315 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1316 /* MOUSE ERROR */ 1317 recover_from_error(sc->kbdc); 1318 restore_controller(sc->kbdc, command_byte); 1319 if (verbose) 1320 printf("psm%d: failed to enable the aux device.\n", 1321 unit); 1322 endprobe(ENXIO); 1323 } 1324 1325 /* save the default values after reset */ 1326 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1327 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1328 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1329 } else { 1330 sc->dflt_mode.rate = sc->mode.rate = -1; 1331 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1332 } 1333 1334 /* hardware information */ 1335 sc->hw.iftype = MOUSE_IF_PS2; 1336 1337 /* verify the device is a mouse */ 1338 sc->hw.hwid = get_aux_id(sc->kbdc); 1339 if (!is_a_mouse(sc->hw.hwid)) { 1340 restore_controller(sc->kbdc, command_byte); 1341 if (verbose) 1342 printf("psm%d: unknown device type (%d).\n", unit, 1343 sc->hw.hwid); 1344 endprobe(ENXIO); 1345 } 1346 switch (sc->hw.hwid) { 1347 case PSM_BALLPOINT_ID: 1348 sc->hw.type = MOUSE_TRACKBALL; 1349 break; 1350 case PSM_MOUSE_ID: 1351 case PSM_INTELLI_ID: 1352 case PSM_EXPLORER_ID: 1353 case PSM_4DMOUSE_ID: 1354 case PSM_4DPLUS_ID: 1355 sc->hw.type = MOUSE_MOUSE; 1356 break; 1357 default: 1358 sc->hw.type = MOUSE_UNKNOWN; 1359 break; 1360 } 1361 1362 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1363 sc->hw.buttons = 2; 1364 i = GENERIC_MOUSE_ENTRY; 1365 } else { 1366 /* # of buttons */ 1367 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1368 1369 /* other parameters */ 1370 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1371 if ((*vendortype[i].probefunc)(sc->kbdc, sc)) { 1372 if (verbose >= 2) 1373 printf("psm%d: found %s\n", unit, 1374 model_name(vendortype[i].model)); 1375 break; 1376 } 1377 } 1378 1379 sc->hw.model = vendortype[i].model; 1380 1381 sc->dflt_mode.level = PSM_LEVEL_BASE; 1382 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1383 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1384 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1385 sc->dflt_mode.syncmask[0] = 0; 1386 else 1387 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1388 if (sc->config & PSM_CONFIG_FORCETAP) 1389 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1390 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1391 sc->mode = sc->dflt_mode; 1392 sc->mode.packetsize = vendortype[i].packetsize; 1393 1394 /* set mouse parameters */ 1395 #if 0 1396 /* 1397 * A version of Logitech FirstMouse+ won't report wheel movement, 1398 * if SET_DEFAULTS is sent... Don't use this command. 1399 * This fix was found by Takashi Nishida. 1400 */ 1401 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1402 if (verbose >= 2) 1403 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1404 #endif 1405 if (sc->config & PSM_CONFIG_RESOLUTION) 1406 sc->mode.resolution = 1407 set_mouse_resolution(sc->kbdc, 1408 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1409 else if (sc->mode.resolution >= 0) 1410 sc->mode.resolution = 1411 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1412 if (sc->mode.rate > 0) 1413 sc->mode.rate = 1414 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1415 set_mouse_scaling(sc->kbdc, 1); 1416 1417 /* Record sync on the next data packet we see. */ 1418 sc->flags |= PSM_NEED_SYNCBITS; 1419 1420 /* just check the status of the mouse */ 1421 /* 1422 * NOTE: XXX there are some arcane controller/mouse combinations out 1423 * there, which hung the controller unless there is data transmission 1424 * after ACK from the mouse. 1425 */ 1426 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1427 printf("psm%d: failed to get status.\n", unit); 1428 else { 1429 /* 1430 * When in its native mode, some mice operate with different 1431 * default parameters than in the PS/2 compatible mode. 1432 */ 1433 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1434 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1435 } 1436 1437 /* disable the aux port for now... */ 1438 if (!set_controller_command_byte(sc->kbdc, 1439 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1440 (command_byte & KBD_KBD_CONTROL_BITS) | 1441 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1442 /* 1443 * this is CONTROLLER ERROR; I don't know the proper way to 1444 * recover from this error... 1445 */ 1446 restore_controller(sc->kbdc, command_byte); 1447 printf("psm%d: unable to set the command byte.\n", unit); 1448 endprobe(ENXIO); 1449 } 1450 1451 /* done */ 1452 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1453 kbdc_lock(sc->kbdc, FALSE); 1454 return (0); 1455 } 1456 1457 static int 1458 psmattach(device_t dev) 1459 { 1460 int unit = device_get_unit(dev); 1461 struct psm_softc *sc = device_get_softc(dev); 1462 int error; 1463 int rid; 1464 1465 /* Setup initial state */ 1466 sc->state = PSM_VALID; 1467 callout_init(&sc->callout, 0); 1468 callout_init(&sc->softcallout, 0); 1469 1470 /* Setup our interrupt handler */ 1471 rid = KBDC_RID_AUX; 1472 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1473 if (sc->intr == NULL) 1474 return (ENXIO); 1475 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1476 &sc->ih); 1477 if (error) { 1478 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1479 return (error); 1480 } 1481 1482 /* Done */ 1483 sc->dev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "psm%d", unit); 1484 sc->dev->si_drv1 = sc; 1485 sc->bdev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "bpsm%d", unit); 1486 sc->bdev->si_drv1 = sc; 1487 1488 /* Some touchpad devices need full reinitialization after suspend. */ 1489 switch (sc->hw.model) { 1490 case MOUSE_MODEL_SYNAPTICS: 1491 case MOUSE_MODEL_GLIDEPOINT: 1492 case MOUSE_MODEL_VERSAPAD: 1493 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1494 break; 1495 default: 1496 if (sc->synhw.infoMajor >= 4 || sc->tphw > 0) 1497 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1498 break; 1499 } 1500 1501 if (!verbose) 1502 printf("psm%d: model %s, device ID %d\n", 1503 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1504 else { 1505 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1506 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1507 sc->hw.hwid >> 8, sc->hw.buttons); 1508 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1509 unit, sc->config, sc->flags, sc->mode.packetsize); 1510 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1511 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1512 } 1513 1514 if (bootverbose) 1515 --verbose; 1516 1517 return (0); 1518 } 1519 1520 static int 1521 psmdetach(device_t dev) 1522 { 1523 struct psm_softc *sc; 1524 int rid; 1525 1526 sc = device_get_softc(dev); 1527 if (sc->state & PSM_OPEN) 1528 return (EBUSY); 1529 1530 rid = KBDC_RID_AUX; 1531 bus_teardown_intr(dev, sc->intr, sc->ih); 1532 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1533 1534 destroy_dev(sc->dev); 1535 destroy_dev(sc->bdev); 1536 1537 callout_drain(&sc->callout); 1538 callout_drain(&sc->softcallout); 1539 1540 return (0); 1541 } 1542 1543 static int 1544 psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1545 { 1546 struct psm_softc *sc; 1547 int command_byte; 1548 int err; 1549 int s; 1550 1551 /* Get device data */ 1552 sc = dev->si_drv1; 1553 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1554 /* the device is no longer valid/functioning */ 1555 return (ENXIO); 1556 } 1557 1558 /* Disallow multiple opens */ 1559 if (sc->state & PSM_OPEN) 1560 return (EBUSY); 1561 1562 device_busy(devclass_get_device(psm_devclass, sc->unit)); 1563 1564 /* Initialize state */ 1565 sc->mode.level = sc->dflt_mode.level; 1566 sc->mode.protocol = sc->dflt_mode.protocol; 1567 sc->watchdog = FALSE; 1568 sc->async = NULL; 1569 1570 /* flush the event queue */ 1571 sc->queue.count = 0; 1572 sc->queue.head = 0; 1573 sc->queue.tail = 0; 1574 sc->status.flags = 0; 1575 sc->status.button = 0; 1576 sc->status.obutton = 0; 1577 sc->status.dx = 0; 1578 sc->status.dy = 0; 1579 sc->status.dz = 0; 1580 sc->button = 0; 1581 sc->pqueue_start = 0; 1582 sc->pqueue_end = 0; 1583 1584 /* empty input buffer */ 1585 flushpackets(sc); 1586 sc->syncerrors = 0; 1587 sc->pkterrors = 0; 1588 1589 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1590 if (!kbdc_lock(sc->kbdc, TRUE)) 1591 return (EIO); 1592 1593 /* save the current controller command byte */ 1594 s = spltty(); 1595 command_byte = get_controller_command_byte(sc->kbdc); 1596 1597 /* enable the aux port and temporalily disable the keyboard */ 1598 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1599 kbdc_get_device_mask(sc->kbdc), 1600 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1601 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1602 /* CONTROLLER ERROR; do you know how to get out of this? */ 1603 kbdc_lock(sc->kbdc, FALSE); 1604 splx(s); 1605 log(LOG_ERR, 1606 "psm%d: unable to set the command byte (psmopen).\n", 1607 sc->unit); 1608 return (EIO); 1609 } 1610 /* 1611 * Now that the keyboard controller is told not to generate 1612 * the keyboard and mouse interrupts, call `splx()' to allow 1613 * the other tty interrupts. The clock interrupt may also occur, 1614 * but timeout routines will be blocked by the poll flag set 1615 * via `kbdc_lock()' 1616 */ 1617 splx(s); 1618 1619 /* enable the mouse device */ 1620 err = doopen(sc, command_byte); 1621 1622 /* done */ 1623 if (err == 0) 1624 sc->state |= PSM_OPEN; 1625 kbdc_lock(sc->kbdc, FALSE); 1626 return (err); 1627 } 1628 1629 static int 1630 psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1631 { 1632 struct psm_softc *sc = dev->si_drv1; 1633 int stat[3]; 1634 int command_byte; 1635 int s; 1636 1637 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1638 if (!kbdc_lock(sc->kbdc, TRUE)) 1639 return (EIO); 1640 1641 /* save the current controller command byte */ 1642 s = spltty(); 1643 command_byte = get_controller_command_byte(sc->kbdc); 1644 if (command_byte == -1) { 1645 kbdc_lock(sc->kbdc, FALSE); 1646 splx(s); 1647 return (EIO); 1648 } 1649 1650 /* disable the aux interrupt and temporalily disable the keyboard */ 1651 if (!set_controller_command_byte(sc->kbdc, 1652 kbdc_get_device_mask(sc->kbdc), 1653 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1654 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1655 log(LOG_ERR, 1656 "psm%d: failed to disable the aux int (psmclose).\n", 1657 sc->unit); 1658 /* CONTROLLER ERROR; 1659 * NOTE: we shall force our way through. Because the only 1660 * ill effect we shall see is that we may not be able 1661 * to read ACK from the mouse, and it doesn't matter much 1662 * so long as the mouse will accept the DISABLE command. 1663 */ 1664 } 1665 splx(s); 1666 1667 /* stop the watchdog timer */ 1668 callout_stop(&sc->callout); 1669 1670 /* remove anything left in the output buffer */ 1671 empty_aux_buffer(sc->kbdc, 10); 1672 1673 /* disable the aux device, port and interrupt */ 1674 if (sc->state & PSM_VALID) { 1675 if (!disable_aux_dev(sc->kbdc)) { 1676 /* MOUSE ERROR; 1677 * NOTE: we don't return (error) and continue, 1678 * pretending we have successfully disabled the device. 1679 * It's OK because the interrupt routine will discard 1680 * any data from the mouse hereafter. 1681 */ 1682 log(LOG_ERR, 1683 "psm%d: failed to disable the device (psmclose).\n", 1684 sc->unit); 1685 } 1686 1687 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1688 log(LOG_DEBUG, 1689 "psm%d: failed to get status (psmclose).\n", 1690 sc->unit); 1691 } 1692 1693 if (!set_controller_command_byte(sc->kbdc, 1694 kbdc_get_device_mask(sc->kbdc), 1695 (command_byte & KBD_KBD_CONTROL_BITS) | 1696 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1697 /* 1698 * CONTROLLER ERROR; 1699 * we shall ignore this error; see the above comment. 1700 */ 1701 log(LOG_ERR, 1702 "psm%d: failed to disable the aux port (psmclose).\n", 1703 sc->unit); 1704 } 1705 1706 /* remove anything left in the output buffer */ 1707 empty_aux_buffer(sc->kbdc, 10); 1708 1709 /* clean up and sigio requests */ 1710 if (sc->async != NULL) { 1711 funsetown(&sc->async); 1712 sc->async = NULL; 1713 } 1714 1715 /* close is almost always successful */ 1716 sc->state &= ~PSM_OPEN; 1717 kbdc_lock(sc->kbdc, FALSE); 1718 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 1719 return (0); 1720 } 1721 1722 static int 1723 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1724 u_char *buf) 1725 { 1726 static u_char butmapps2[8] = { 1727 0, 1728 MOUSE_PS2_BUTTON1DOWN, 1729 MOUSE_PS2_BUTTON2DOWN, 1730 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1731 MOUSE_PS2_BUTTON3DOWN, 1732 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1733 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1734 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1735 MOUSE_PS2_BUTTON3DOWN, 1736 }; 1737 static u_char butmapmsc[8] = { 1738 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1739 MOUSE_MSC_BUTTON3UP, 1740 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1741 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1742 MOUSE_MSC_BUTTON3UP, 1743 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1744 MOUSE_MSC_BUTTON2UP, 1745 MOUSE_MSC_BUTTON1UP, 1746 0, 1747 }; 1748 int mapped; 1749 int i; 1750 1751 if (sc->mode.level == PSM_LEVEL_BASE) { 1752 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1753 if (status->button & MOUSE_BUTTON4DOWN) 1754 mapped |= MOUSE_BUTTON1DOWN; 1755 status->button = mapped; 1756 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1757 i = imax(imin(status->dx, 255), -256); 1758 if (i < 0) 1759 buf[0] |= MOUSE_PS2_XNEG; 1760 buf[1] = i; 1761 i = imax(imin(status->dy, 255), -256); 1762 if (i < 0) 1763 buf[0] |= MOUSE_PS2_YNEG; 1764 buf[2] = i; 1765 return (MOUSE_PS2_PACKETSIZE); 1766 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1767 buf[0] = MOUSE_MSC_SYNC | 1768 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1769 i = imax(imin(status->dx, 255), -256); 1770 buf[1] = i >> 1; 1771 buf[3] = i - buf[1]; 1772 i = imax(imin(status->dy, 255), -256); 1773 buf[2] = i >> 1; 1774 buf[4] = i - buf[2]; 1775 i = imax(imin(status->dz, 127), -128); 1776 buf[5] = (i >> 1) & 0x7f; 1777 buf[6] = (i - (i >> 1)) & 0x7f; 1778 buf[7] = (~status->button >> 3) & 0x7f; 1779 return (MOUSE_SYS_PACKETSIZE); 1780 } 1781 return (pb->inputbytes); 1782 } 1783 1784 static int 1785 psmread(struct cdev *dev, struct uio *uio, int flag) 1786 { 1787 struct psm_softc *sc = dev->si_drv1; 1788 u_char buf[PSM_SMALLBUFSIZE]; 1789 int error = 0; 1790 int s; 1791 int l; 1792 1793 if ((sc->state & PSM_VALID) == 0) 1794 return (EIO); 1795 1796 /* block until mouse activity occured */ 1797 s = spltty(); 1798 while (sc->queue.count <= 0) { 1799 if (dev != sc->bdev) { 1800 splx(s); 1801 return (EWOULDBLOCK); 1802 } 1803 sc->state |= PSM_ASLP; 1804 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 1805 sc->state &= ~PSM_ASLP; 1806 if (error) { 1807 splx(s); 1808 return (error); 1809 } else if ((sc->state & PSM_VALID) == 0) { 1810 /* the device disappeared! */ 1811 splx(s); 1812 return (EIO); 1813 } 1814 } 1815 splx(s); 1816 1817 /* copy data to the user land */ 1818 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1819 s = spltty(); 1820 l = imin(sc->queue.count, uio->uio_resid); 1821 if (l > sizeof(buf)) 1822 l = sizeof(buf); 1823 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1824 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1825 sizeof(sc->queue.buf) - sc->queue.head); 1826 bcopy(&sc->queue.buf[0], 1827 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1828 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1829 } else 1830 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1831 sc->queue.count -= l; 1832 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1833 splx(s); 1834 error = uiomove(buf, l, uio); 1835 if (error) 1836 break; 1837 } 1838 1839 return (error); 1840 } 1841 1842 static int 1843 block_mouse_data(struct psm_softc *sc, int *c) 1844 { 1845 int s; 1846 1847 if (!kbdc_lock(sc->kbdc, TRUE)) 1848 return (EIO); 1849 1850 s = spltty(); 1851 *c = get_controller_command_byte(sc->kbdc); 1852 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1853 kbdc_get_device_mask(sc->kbdc), 1854 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1855 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1856 /* this is CONTROLLER ERROR */ 1857 splx(s); 1858 kbdc_lock(sc->kbdc, FALSE); 1859 return (EIO); 1860 } 1861 1862 /* 1863 * The device may be in the middle of status data transmission. 1864 * The transmission will be interrupted, thus, incomplete status 1865 * data must be discarded. Although the aux interrupt is disabled 1866 * at the keyboard controller level, at most one aux interrupt 1867 * may have already been pending and a data byte is in the 1868 * output buffer; throw it away. Note that the second argument 1869 * to `empty_aux_buffer()' is zero, so that the call will just 1870 * flush the internal queue. 1871 * `psmintr()' will be invoked after `splx()' if an interrupt is 1872 * pending; it will see no data and returns immediately. 1873 */ 1874 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1875 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1876 flushpackets(sc); 1877 splx(s); 1878 1879 return (0); 1880 } 1881 1882 static void 1883 dropqueue(struct psm_softc *sc) 1884 { 1885 1886 sc->queue.count = 0; 1887 sc->queue.head = 0; 1888 sc->queue.tail = 0; 1889 if ((sc->state & PSM_SOFTARMED) != 0) { 1890 sc->state &= ~PSM_SOFTARMED; 1891 callout_stop(&sc->softcallout); 1892 } 1893 sc->pqueue_start = sc->pqueue_end; 1894 } 1895 1896 static void 1897 flushpackets(struct psm_softc *sc) 1898 { 1899 1900 dropqueue(sc); 1901 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1902 } 1903 1904 static int 1905 unblock_mouse_data(struct psm_softc *sc, int c) 1906 { 1907 int error = 0; 1908 1909 /* 1910 * We may have seen a part of status data during `set_mouse_XXX()'. 1911 * they have been queued; flush it. 1912 */ 1913 empty_aux_buffer(sc->kbdc, 0); 1914 1915 /* restore ports and interrupt */ 1916 if (!set_controller_command_byte(sc->kbdc, 1917 kbdc_get_device_mask(sc->kbdc), 1918 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1919 /* 1920 * CONTROLLER ERROR; this is serious, we may have 1921 * been left with the inaccessible keyboard and 1922 * the disabled mouse interrupt. 1923 */ 1924 error = EIO; 1925 } 1926 1927 kbdc_lock(sc->kbdc, FALSE); 1928 return (error); 1929 } 1930 1931 static int 1932 psmwrite(struct cdev *dev, struct uio *uio, int flag) 1933 { 1934 struct psm_softc *sc = dev->si_drv1; 1935 u_char buf[PSM_SMALLBUFSIZE]; 1936 int error = 0, i, l; 1937 1938 if ((sc->state & PSM_VALID) == 0) 1939 return (EIO); 1940 1941 if (sc->mode.level < PSM_LEVEL_NATIVE) 1942 return (ENODEV); 1943 1944 /* copy data from the user land */ 1945 while (uio->uio_resid > 0) { 1946 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1947 error = uiomove(buf, l, uio); 1948 if (error) 1949 break; 1950 for (i = 0; i < l; i++) { 1951 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1952 if (!write_aux_command(sc->kbdc, buf[i])) { 1953 VLOG(2, (LOG_DEBUG, 1954 "psm: cmd 0x%x failed.\n", buf[i])); 1955 return (reinitialize(sc, FALSE)); 1956 } 1957 } 1958 } 1959 1960 return (error); 1961 } 1962 1963 static int 1964 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 1965 struct thread *td) 1966 { 1967 struct psm_softc *sc = dev->si_drv1; 1968 mousemode_t mode; 1969 mousestatus_t status; 1970 #if (defined(MOUSE_GETVARS)) 1971 mousevar_t *var; 1972 #endif 1973 mousedata_t *data; 1974 int stat[3]; 1975 int command_byte; 1976 int error = 0; 1977 int s; 1978 1979 /* Perform IOCTL command */ 1980 switch (cmd) { 1981 1982 case OLD_MOUSE_GETHWINFO: 1983 s = spltty(); 1984 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1985 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1986 ((old_mousehw_t *)addr)->type = sc->hw.type; 1987 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1988 splx(s); 1989 break; 1990 1991 case MOUSE_GETHWINFO: 1992 s = spltty(); 1993 *(mousehw_t *)addr = sc->hw; 1994 if (sc->mode.level == PSM_LEVEL_BASE) 1995 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1996 splx(s); 1997 break; 1998 1999 case MOUSE_SYN_GETHWINFO: 2000 s = spltty(); 2001 if (sc->synhw.infoMajor >= 4) 2002 *(synapticshw_t *)addr = sc->synhw; 2003 else 2004 error = EINVAL; 2005 splx(s); 2006 break; 2007 2008 case OLD_MOUSE_GETMODE: 2009 s = spltty(); 2010 switch (sc->mode.level) { 2011 case PSM_LEVEL_BASE: 2012 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2013 break; 2014 case PSM_LEVEL_STANDARD: 2015 ((old_mousemode_t *)addr)->protocol = 2016 MOUSE_PROTO_SYSMOUSE; 2017 break; 2018 case PSM_LEVEL_NATIVE: 2019 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2020 break; 2021 } 2022 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2023 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2024 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2025 splx(s); 2026 break; 2027 2028 case MOUSE_GETMODE: 2029 s = spltty(); 2030 *(mousemode_t *)addr = sc->mode; 2031 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2032 ((mousemode_t *)addr)->syncmask[0] = 0; 2033 ((mousemode_t *)addr)->syncmask[1] = 0; 2034 } 2035 ((mousemode_t *)addr)->resolution = 2036 MOUSE_RES_LOW - sc->mode.resolution; 2037 switch (sc->mode.level) { 2038 case PSM_LEVEL_BASE: 2039 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2040 ((mousemode_t *)addr)->packetsize = 2041 MOUSE_PS2_PACKETSIZE; 2042 break; 2043 case PSM_LEVEL_STANDARD: 2044 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2045 ((mousemode_t *)addr)->packetsize = 2046 MOUSE_SYS_PACKETSIZE; 2047 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2048 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2049 break; 2050 case PSM_LEVEL_NATIVE: 2051 /* FIXME: this isn't quite correct... XXX */ 2052 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2053 break; 2054 } 2055 splx(s); 2056 break; 2057 2058 case OLD_MOUSE_SETMODE: 2059 case MOUSE_SETMODE: 2060 if (cmd == OLD_MOUSE_SETMODE) { 2061 mode.rate = ((old_mousemode_t *)addr)->rate; 2062 /* 2063 * resolution old I/F new I/F 2064 * default 0 0 2065 * low 1 -2 2066 * medium low 2 -3 2067 * medium high 3 -4 2068 * high 4 -5 2069 */ 2070 if (((old_mousemode_t *)addr)->resolution > 0) 2071 mode.resolution = 2072 -((old_mousemode_t *)addr)->resolution - 1; 2073 else 2074 mode.resolution = 0; 2075 mode.accelfactor = 2076 ((old_mousemode_t *)addr)->accelfactor; 2077 mode.level = -1; 2078 } else 2079 mode = *(mousemode_t *)addr; 2080 2081 /* adjust and validate parameters. */ 2082 if (mode.rate > UCHAR_MAX) 2083 return (EINVAL); 2084 if (mode.rate == 0) 2085 mode.rate = sc->dflt_mode.rate; 2086 else if (mode.rate == -1) 2087 /* don't change the current setting */ 2088 ; 2089 else if (mode.rate < 0) 2090 return (EINVAL); 2091 if (mode.resolution >= UCHAR_MAX) 2092 return (EINVAL); 2093 if (mode.resolution >= 200) 2094 mode.resolution = MOUSE_RES_HIGH; 2095 else if (mode.resolution >= 100) 2096 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2097 else if (mode.resolution >= 50) 2098 mode.resolution = MOUSE_RES_MEDIUMLOW; 2099 else if (mode.resolution > 0) 2100 mode.resolution = MOUSE_RES_LOW; 2101 if (mode.resolution == MOUSE_RES_DEFAULT) 2102 mode.resolution = sc->dflt_mode.resolution; 2103 else if (mode.resolution == -1) 2104 /* don't change the current setting */ 2105 ; 2106 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2107 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2108 if (mode.level == -1) 2109 /* don't change the current setting */ 2110 mode.level = sc->mode.level; 2111 else if ((mode.level < PSM_LEVEL_MIN) || 2112 (mode.level > PSM_LEVEL_MAX)) 2113 return (EINVAL); 2114 if (mode.accelfactor == -1) 2115 /* don't change the current setting */ 2116 mode.accelfactor = sc->mode.accelfactor; 2117 else if (mode.accelfactor < 0) 2118 return (EINVAL); 2119 2120 /* don't allow anybody to poll the keyboard controller */ 2121 error = block_mouse_data(sc, &command_byte); 2122 if (error) 2123 return (error); 2124 2125 /* set mouse parameters */ 2126 if (mode.rate > 0) 2127 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2128 mode.rate); 2129 if (mode.resolution >= 0) 2130 mode.resolution = 2131 set_mouse_resolution(sc->kbdc, mode.resolution); 2132 set_mouse_scaling(sc->kbdc, 1); 2133 get_mouse_status(sc->kbdc, stat, 0, 3); 2134 2135 s = spltty(); 2136 sc->mode.rate = mode.rate; 2137 sc->mode.resolution = mode.resolution; 2138 sc->mode.accelfactor = mode.accelfactor; 2139 sc->mode.level = mode.level; 2140 splx(s); 2141 2142 unblock_mouse_data(sc, command_byte); 2143 break; 2144 2145 case MOUSE_GETLEVEL: 2146 *(int *)addr = sc->mode.level; 2147 break; 2148 2149 case MOUSE_SETLEVEL: 2150 if ((*(int *)addr < PSM_LEVEL_MIN) || 2151 (*(int *)addr > PSM_LEVEL_MAX)) 2152 return (EINVAL); 2153 sc->mode.level = *(int *)addr; 2154 break; 2155 2156 case MOUSE_GETSTATUS: 2157 s = spltty(); 2158 status = sc->status; 2159 sc->status.flags = 0; 2160 sc->status.obutton = sc->status.button; 2161 sc->status.button = 0; 2162 sc->status.dx = 0; 2163 sc->status.dy = 0; 2164 sc->status.dz = 0; 2165 splx(s); 2166 *(mousestatus_t *)addr = status; 2167 break; 2168 2169 #if (defined(MOUSE_GETVARS)) 2170 case MOUSE_GETVARS: 2171 var = (mousevar_t *)addr; 2172 bzero(var, sizeof(*var)); 2173 s = spltty(); 2174 var->var[0] = MOUSE_VARS_PS2_SIG; 2175 var->var[1] = sc->config; 2176 var->var[2] = sc->flags; 2177 splx(s); 2178 break; 2179 2180 case MOUSE_SETVARS: 2181 return (ENODEV); 2182 #endif /* MOUSE_GETVARS */ 2183 2184 case MOUSE_READSTATE: 2185 case MOUSE_READDATA: 2186 data = (mousedata_t *)addr; 2187 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2188 return (EINVAL); 2189 2190 error = block_mouse_data(sc, &command_byte); 2191 if (error) 2192 return (error); 2193 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2194 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2195 error = EIO; 2196 unblock_mouse_data(sc, command_byte); 2197 break; 2198 2199 #if (defined(MOUSE_SETRESOLUTION)) 2200 case MOUSE_SETRESOLUTION: 2201 mode.resolution = *(int *)addr; 2202 if (mode.resolution >= UCHAR_MAX) 2203 return (EINVAL); 2204 else if (mode.resolution >= 200) 2205 mode.resolution = MOUSE_RES_HIGH; 2206 else if (mode.resolution >= 100) 2207 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2208 else if (mode.resolution >= 50) 2209 mode.resolution = MOUSE_RES_MEDIUMLOW; 2210 else if (mode.resolution > 0) 2211 mode.resolution = MOUSE_RES_LOW; 2212 if (mode.resolution == MOUSE_RES_DEFAULT) 2213 mode.resolution = sc->dflt_mode.resolution; 2214 else if (mode.resolution == -1) 2215 mode.resolution = sc->mode.resolution; 2216 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2217 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2218 2219 error = block_mouse_data(sc, &command_byte); 2220 if (error) 2221 return (error); 2222 sc->mode.resolution = 2223 set_mouse_resolution(sc->kbdc, mode.resolution); 2224 if (sc->mode.resolution != mode.resolution) 2225 error = EIO; 2226 unblock_mouse_data(sc, command_byte); 2227 break; 2228 #endif /* MOUSE_SETRESOLUTION */ 2229 2230 #if (defined(MOUSE_SETRATE)) 2231 case MOUSE_SETRATE: 2232 mode.rate = *(int *)addr; 2233 if (mode.rate > UCHAR_MAX) 2234 return (EINVAL); 2235 if (mode.rate == 0) 2236 mode.rate = sc->dflt_mode.rate; 2237 else if (mode.rate < 0) 2238 mode.rate = sc->mode.rate; 2239 2240 error = block_mouse_data(sc, &command_byte); 2241 if (error) 2242 return (error); 2243 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2244 if (sc->mode.rate != mode.rate) 2245 error = EIO; 2246 unblock_mouse_data(sc, command_byte); 2247 break; 2248 #endif /* MOUSE_SETRATE */ 2249 2250 #if (defined(MOUSE_SETSCALING)) 2251 case MOUSE_SETSCALING: 2252 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2253 return (EINVAL); 2254 2255 error = block_mouse_data(sc, &command_byte); 2256 if (error) 2257 return (error); 2258 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2259 error = EIO; 2260 unblock_mouse_data(sc, command_byte); 2261 break; 2262 #endif /* MOUSE_SETSCALING */ 2263 2264 #if (defined(MOUSE_GETHWID)) 2265 case MOUSE_GETHWID: 2266 error = block_mouse_data(sc, &command_byte); 2267 if (error) 2268 return (error); 2269 sc->hw.hwid &= ~0x00ff; 2270 sc->hw.hwid |= get_aux_id(sc->kbdc); 2271 *(int *)addr = sc->hw.hwid & 0x00ff; 2272 unblock_mouse_data(sc, command_byte); 2273 break; 2274 #endif /* MOUSE_GETHWID */ 2275 2276 case FIONBIO: 2277 case FIOASYNC: 2278 break; 2279 case FIOSETOWN: 2280 error = fsetown(*(int *)addr, &sc->async); 2281 break; 2282 case FIOGETOWN: 2283 *(int *) addr = fgetown(&sc->async); 2284 break; 2285 default: 2286 return (ENOTTY); 2287 } 2288 2289 return (error); 2290 } 2291 2292 static void 2293 psmtimeout(void *arg) 2294 { 2295 struct psm_softc *sc; 2296 int s; 2297 2298 sc = (struct psm_softc *)arg; 2299 s = spltty(); 2300 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2301 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2302 psmintr(sc); 2303 kbdc_lock(sc->kbdc, FALSE); 2304 } 2305 sc->watchdog = TRUE; 2306 splx(s); 2307 callout_reset(&sc->callout, hz, psmtimeout, sc); 2308 } 2309 2310 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2311 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2312 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2313 2314 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2315 "Verbosity level"); 2316 2317 static int psmhz = 20; 2318 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2319 "Frequency of the softcallout (in hz)"); 2320 static int psmerrsecs = 2; 2321 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2322 "Number of seconds during which packets will dropped after a sync error"); 2323 static int psmerrusecs = 0; 2324 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2325 "Microseconds to add to psmerrsecs"); 2326 static int psmsecs = 0; 2327 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2328 "Max number of seconds between soft interrupts"); 2329 static int psmusecs = 500000; 2330 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2331 "Microseconds to add to psmsecs"); 2332 static int pkterrthresh = 2; 2333 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2334 "Number of error packets allowed before reinitializing the mouse"); 2335 2336 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RW, &tap_enabled, 0, 2337 "Enable tap and drag gestures"); 2338 static int tap_threshold = PSM_TAP_THRESHOLD; 2339 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2340 "Button tap threshold"); 2341 static int tap_timeout = PSM_TAP_TIMEOUT; 2342 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2343 "Tap timeout for touchpads"); 2344 2345 static void 2346 psmintr(void *arg) 2347 { 2348 struct psm_softc *sc = arg; 2349 struct timeval now; 2350 int c; 2351 packetbuf_t *pb; 2352 2353 2354 /* read until there is nothing to read */ 2355 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2356 pb = &sc->pqueue[sc->pqueue_end]; 2357 2358 /* discard the byte if the device is not open */ 2359 if ((sc->state & PSM_OPEN) == 0) 2360 continue; 2361 2362 getmicrouptime(&now); 2363 if ((pb->inputbytes > 0) && 2364 timevalcmp(&now, &sc->inputtimeout, >)) { 2365 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2366 "resetting byte count\n")); 2367 pb->inputbytes = 0; 2368 sc->syncerrors = 0; 2369 sc->pkterrors = 0; 2370 } 2371 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2372 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2373 timevaladd(&sc->inputtimeout, &now); 2374 2375 pb->ipacket[pb->inputbytes++] = c; 2376 2377 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2378 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2379 sc->syncerrors = 0; 2380 sc->pkterrors = 0; 2381 goto next; 2382 } else { 2383 if (pb->inputbytes < sc->mode.packetsize) 2384 continue; 2385 2386 VLOG(4, (LOG_DEBUG, 2387 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2388 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2389 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2390 } 2391 2392 c = pb->ipacket[0]; 2393 2394 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2395 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2396 sc->flags &= ~PSM_NEED_SYNCBITS; 2397 VLOG(2, (LOG_DEBUG, 2398 "psmintr: Sync bytes now %04x,%04x\n", 2399 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2400 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2401 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2402 "(%04x != %04x) %d cmds since last error.\n", 2403 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2404 sc->cmdcount - sc->lasterr)); 2405 sc->lasterr = sc->cmdcount; 2406 /* 2407 * The sync byte test is a weak measure of packet 2408 * validity. Conservatively discard any input yet 2409 * to be seen by userland when we detect a sync 2410 * error since there is a good chance some of 2411 * the queued packets have undetected errors. 2412 */ 2413 dropqueue(sc); 2414 if (sc->syncerrors == 0) 2415 sc->pkterrors++; 2416 ++sc->syncerrors; 2417 sc->lastinputerr = now; 2418 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2419 sc->pkterrors >= pkterrthresh) { 2420 /* 2421 * If we've failed to find a single sync byte 2422 * in 2 packets worth of data, or we've seen 2423 * persistent packet errors during the 2424 * validation period, reinitialize the mouse 2425 * in hopes of returning it to the expected 2426 * mode. 2427 */ 2428 VLOG(3, (LOG_DEBUG, 2429 "psmintr: reset the mouse.\n")); 2430 reinitialize(sc, TRUE); 2431 } else if (sc->syncerrors == sc->mode.packetsize) { 2432 /* 2433 * Try a soft reset after searching for a sync 2434 * byte through a packet length of bytes. 2435 */ 2436 VLOG(3, (LOG_DEBUG, 2437 "psmintr: re-enable the mouse.\n")); 2438 pb->inputbytes = 0; 2439 disable_aux_dev(sc->kbdc); 2440 enable_aux_dev(sc->kbdc); 2441 } else { 2442 VLOG(3, (LOG_DEBUG, 2443 "psmintr: discard a byte (%d)\n", 2444 sc->syncerrors)); 2445 pb->inputbytes--; 2446 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2447 pb->inputbytes); 2448 } 2449 continue; 2450 } 2451 2452 /* 2453 * We have what appears to be a valid packet. 2454 * Reset the error counters. 2455 */ 2456 sc->syncerrors = 0; 2457 2458 /* 2459 * Drop even good packets if they occur within a timeout 2460 * period of a sync error. This allows the detection of 2461 * a change in the mouse's packet mode without exposing 2462 * erratic mouse behavior to the user. Some KVMs forget 2463 * enhanced mouse modes during switch events. 2464 */ 2465 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2466 &now)) { 2467 pb->inputbytes = 0; 2468 continue; 2469 } 2470 2471 /* 2472 * Now that we're out of the validation period, reset 2473 * the packet error count. 2474 */ 2475 sc->pkterrors = 0; 2476 2477 sc->cmdcount++; 2478 next: 2479 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2480 sc->pqueue_end = 0; 2481 /* 2482 * If we've filled the queue then call the softintr ourselves, 2483 * otherwise schedule the interrupt for later. 2484 */ 2485 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2486 (sc->pqueue_end == sc->pqueue_start)) { 2487 if ((sc->state & PSM_SOFTARMED) != 0) { 2488 sc->state &= ~PSM_SOFTARMED; 2489 callout_stop(&sc->softcallout); 2490 } 2491 psmsoftintr(arg); 2492 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2493 sc->state |= PSM_SOFTARMED; 2494 callout_reset(&sc->softcallout, 2495 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 2496 } 2497 } 2498 } 2499 2500 static void 2501 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2502 int *x, int *y, int *z) 2503 { 2504 2505 /* 2506 * PS2++ protocol packet 2507 * 2508 * b7 b6 b5 b4 b3 b2 b1 b0 2509 * byte 1: * 1 p3 p2 1 * * * 2510 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2511 * 2512 * p3-p0: packet type 2513 * c1, c2: c1 & c2 == 1, if p2 == 0 2514 * c1 & c2 == 0, if p2 == 1 2515 * 2516 * packet type: 0 (device type) 2517 * See comments in enable_mmanplus() below. 2518 * 2519 * packet type: 1 (wheel data) 2520 * 2521 * b7 b6 b5 b4 b3 b2 b1 b0 2522 * byte 3: h * B5 B4 s d2 d1 d0 2523 * 2524 * h: 1, if horizontal roller data 2525 * 0, if vertical roller data 2526 * B4, B5: button 4 and 5 2527 * s: sign bit 2528 * d2-d0: roller data 2529 * 2530 * packet type: 2 (reserved) 2531 */ 2532 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2533 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2534 /* 2535 * the extended data packet encodes button 2536 * and wheel events 2537 */ 2538 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2539 case 1: 2540 /* wheel data packet */ 2541 *x = *y = 0; 2542 if (pb->ipacket[2] & 0x80) { 2543 /* XXX horizontal roller count - ignore it */ 2544 ; 2545 } else { 2546 /* vertical roller count */ 2547 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2548 (pb->ipacket[2] & 0x0f) - 16 : 2549 (pb->ipacket[2] & 0x0f); 2550 } 2551 ms->button |= (pb->ipacket[2] & 2552 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2553 MOUSE_BUTTON4DOWN : 0; 2554 ms->button |= (pb->ipacket[2] & 2555 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2556 MOUSE_BUTTON5DOWN : 0; 2557 break; 2558 case 2: 2559 /* 2560 * this packet type is reserved by 2561 * Logitech... 2562 */ 2563 /* 2564 * IBM ScrollPoint Mouse uses this 2565 * packet type to encode both vertical 2566 * and horizontal scroll movement. 2567 */ 2568 *x = *y = 0; 2569 /* horizontal count */ 2570 if (pb->ipacket[2] & 0x0f) 2571 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2572 -2 : 2; 2573 /* vertical count */ 2574 if (pb->ipacket[2] & 0xf0) 2575 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2576 -1 : 1; 2577 break; 2578 case 0: 2579 /* device type packet - shouldn't happen */ 2580 /* FALLTHROUGH */ 2581 default: 2582 *x = *y = 0; 2583 ms->button = ms->obutton; 2584 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2585 "type %d: 0x%02x 0x%02x 0x%02x\n", 2586 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2587 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2588 break; 2589 } 2590 } else { 2591 /* preserve button states */ 2592 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2593 } 2594 } 2595 2596 static int 2597 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2598 int *x, int *y, int *z) 2599 { 2600 static int touchpad_buttons; 2601 static int guest_buttons; 2602 int w, x0, y0; 2603 2604 /* TouchPad PS/2 absolute mode message format with capFourButtons: 2605 * 2606 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2607 * ------------------------------------------------ 2608 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2609 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2610 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2611 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 2612 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2613 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2614 * 2615 * Legend: 2616 * L: left physical mouse button 2617 * R: right physical mouse button 2618 * D: down button 2619 * U: up button 2620 * W: "wrist" value 2621 * X: x position 2622 * Y: y position 2623 * Z: pressure 2624 * 2625 * Without capFourButtons but with nExtendeButtons and/or capMiddle 2626 * 2627 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2628 * ------------------------------------------------------ 2629 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 2630 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 2631 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 2632 * 2633 * Legend: 2634 * M: Middle physical mouse button 2635 * E: Extended mouse buttons reported instead of low bits of X and Y 2636 * b1-b8: Extended mouse buttons 2637 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 2638 * 4 and 5, for reading X and Y value they should be zeroed. 2639 * 2640 * Absolute reportable limits: 0 - 6143. 2641 * Typical bezel limits: 1472 - 5472. 2642 * Typical edge marings: 1632 - 5312. 2643 * 2644 * w = 3 Passthrough Packet 2645 * 2646 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2647 */ 2648 2649 if (!synaptics_support) 2650 return (0); 2651 2652 /* Sanity check for out of sync packets. */ 2653 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2654 (pb->ipacket[3] & 0xc8) != 0xc0) 2655 return (-1); 2656 2657 *x = *y = 0; 2658 2659 /* 2660 * Pressure value. 2661 * Interpretation: 2662 * z = 0 No finger contact 2663 * z = 10 Finger hovering near the pad 2664 * z = 30 Very light finger contact 2665 * z = 80 Normal finger contact 2666 * z = 110 Very heavy finger contact 2667 * z = 200 Finger lying flat on pad surface 2668 * z = 255 Maximum reportable Z 2669 */ 2670 *z = pb->ipacket[2]; 2671 2672 /* 2673 * Finger width value 2674 * Interpretation: 2675 * w = 0 Two finger on the pad (capMultiFinger needed) 2676 * w = 1 Three or more fingers (capMultiFinger needed) 2677 * w = 2 Pen (instead of finger) (capPen needed) 2678 * w = 3 Reserved (passthrough?) 2679 * w = 4-7 Finger of normal width (capPalmDetect needed) 2680 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2681 * w = 15 Maximum reportable width (capPalmDetect needed) 2682 */ 2683 /* XXX Is checking capExtended enough? */ 2684 if (sc->synhw.capExtended) 2685 w = ((pb->ipacket[0] & 0x30) >> 2) | 2686 ((pb->ipacket[0] & 0x04) >> 1) | 2687 ((pb->ipacket[3] & 0x04) >> 2); 2688 else { 2689 /* Assume a finger of regular width. */ 2690 w = 4; 2691 } 2692 2693 /* 2694 * Handle packets from the guest device. See: 2695 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 2696 */ 2697 if (w == 3 && sc->synhw.capPassthrough) { 2698 *x = ((pb->ipacket[1] & 0x10) ? 2699 pb->ipacket[4] - 256 : pb->ipacket[4]); 2700 *y = ((pb->ipacket[1] & 0x20) ? 2701 pb->ipacket[5] - 256 : pb->ipacket[5]); 2702 *z = 0; 2703 2704 guest_buttons = 0; 2705 if (pb->ipacket[1] & 0x01) 2706 guest_buttons |= MOUSE_BUTTON1DOWN; 2707 if (pb->ipacket[1] & 0x04) 2708 guest_buttons |= MOUSE_BUTTON2DOWN; 2709 if (pb->ipacket[1] & 0x02) 2710 guest_buttons |= MOUSE_BUTTON3DOWN; 2711 2712 ms->button = touchpad_buttons | guest_buttons; 2713 goto SYNAPTICS_END; 2714 } 2715 2716 /* Button presses */ 2717 touchpad_buttons = 0; 2718 if (pb->ipacket[0] & 0x01) 2719 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2720 if (pb->ipacket[0] & 0x02) 2721 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2722 2723 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2724 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 2725 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2726 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 2727 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2728 } else if (sc->synhw.capExtended && sc->synhw.capMiddle) { 2729 /* Middle Button */ 2730 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 2731 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2732 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 2733 /* Extended Buttons */ 2734 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 2735 if (sc->syninfo.directional_scrolls) { 2736 if (pb->ipacket[4] & 0x01) 2737 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2738 if (pb->ipacket[5] & 0x01) 2739 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2740 if (pb->ipacket[4] & 0x02) 2741 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2742 if (pb->ipacket[5] & 0x02) 2743 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2744 } else { 2745 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2746 } 2747 2748 /* 2749 * Zero out bits used by extended buttons to avoid 2750 * misinterpretation of the data absolute position. 2751 * 2752 * The bits represented by 2753 * 2754 * (nExtendedButtons + 1) >> 1 2755 * 2756 * will be masked out in both bytes. 2757 * The mask for n bits is computed with the formula 2758 * 2759 * (1 << n) - 1 2760 */ 2761 int maskedbits = 0; 2762 int mask = 0; 2763 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 2764 mask = (1 << maskedbits) - 1; 2765 pb->ipacket[4] &= ~(mask); 2766 pb->ipacket[5] &= ~(mask); 2767 } 2768 } 2769 2770 ms->button = touchpad_buttons | guest_buttons; 2771 2772 /* Check pressure to detect a real wanted action on the 2773 * touchpad. */ 2774 if (*z >= sc->syninfo.min_pressure) { 2775 synapticsaction_t *synaction; 2776 int cursor, peer, window; 2777 int dx, dy, dxp, dyp; 2778 int max_width, max_pressure; 2779 int margin_top, margin_right, margin_bottom, margin_left; 2780 int na_top, na_right, na_bottom, na_left; 2781 int window_min, window_max; 2782 int multiplicator; 2783 int weight_current, weight_previous, weight_len_squared; 2784 int div_min, div_max, div_len; 2785 int vscroll_hor_area, vscroll_ver_area; 2786 2787 int len, weight_prev_x, weight_prev_y; 2788 int div_max_x, div_max_y, div_x, div_y; 2789 2790 /* Read sysctl. */ 2791 /* XXX Verify values? */ 2792 max_width = sc->syninfo.max_width; 2793 max_pressure = sc->syninfo.max_pressure; 2794 margin_top = sc->syninfo.margin_top; 2795 margin_right = sc->syninfo.margin_right; 2796 margin_bottom = sc->syninfo.margin_bottom; 2797 margin_left = sc->syninfo.margin_left; 2798 na_top = sc->syninfo.na_top; 2799 na_right = sc->syninfo.na_right; 2800 na_bottom = sc->syninfo.na_bottom; 2801 na_left = sc->syninfo.na_left; 2802 window_min = sc->syninfo.window_min; 2803 window_max = sc->syninfo.window_max; 2804 multiplicator = sc->syninfo.multiplicator; 2805 weight_current = sc->syninfo.weight_current; 2806 weight_previous = sc->syninfo.weight_previous; 2807 weight_len_squared = sc->syninfo.weight_len_squared; 2808 div_min = sc->syninfo.div_min; 2809 div_max = sc->syninfo.div_max; 2810 div_len = sc->syninfo.div_len; 2811 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2812 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2813 2814 /* Palm detection. */ 2815 if (!( 2816 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2817 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2818 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2819 (sc->synhw.capPen && w == 2))) { 2820 /* 2821 * We consider the packet irrelevant for the current 2822 * action when: 2823 * - the width isn't comprised in: 2824 * [4; max_width] 2825 * - the pressure isn't comprised in: 2826 * [min_pressure; max_pressure] 2827 * - pen aren't supported but w is 2 2828 * 2829 * Note that this doesn't terminate the current action. 2830 */ 2831 VLOG(2, (LOG_DEBUG, 2832 "synaptics: palm detected! (%d)\n", w)); 2833 goto SYNAPTICS_END; 2834 } 2835 2836 /* Read current absolute position. */ 2837 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2838 ((pb->ipacket[1] & 0x0f) << 8) | 2839 pb->ipacket[4]; 2840 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2841 ((pb->ipacket[1] & 0xf0) << 4) | 2842 pb->ipacket[5]; 2843 2844 synaction = &(sc->synaction); 2845 2846 /* 2847 * If the action is just beginning, init the structure and 2848 * compute tap timeout. 2849 */ 2850 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2851 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2852 2853 /* Store the first point of this action. */ 2854 synaction->start_x = x0; 2855 synaction->start_y = y0; 2856 dx = dy = 0; 2857 2858 /* Initialize queue. */ 2859 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2860 synaction->queue_len = 0; 2861 synaction->window_min = window_min; 2862 2863 /* Reset average. */ 2864 synaction->avg_dx = 0; 2865 synaction->avg_dy = 0; 2866 2867 /* Reset squelch. */ 2868 synaction->squelch_x = 0; 2869 synaction->squelch_y = 0; 2870 2871 /* Reset pressure peak. */ 2872 sc->zmax = 0; 2873 2874 /* Reset fingers count. */ 2875 synaction->fingers_nb = 0; 2876 2877 /* Reset virtual scrolling state. */ 2878 synaction->in_vscroll = 0; 2879 2880 /* Compute tap timeout. */ 2881 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2882 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2883 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2884 2885 sc->flags |= PSM_FLAGS_FINGERDOWN; 2886 } else { 2887 /* Calculate the current delta. */ 2888 cursor = synaction->queue_cursor; 2889 dx = x0 - synaction->queue[cursor].x; 2890 dy = y0 - synaction->queue[cursor].y; 2891 } 2892 2893 /* If in tap-hold, add the recorded button. */ 2894 if (synaction->in_taphold) 2895 ms->button |= synaction->tap_button; 2896 2897 /* 2898 * From now on, we can use the SYNAPTICS_END label to skip 2899 * the current packet. 2900 */ 2901 2902 /* 2903 * Limit the coordinates to the specified margins because 2904 * this area isn't very reliable. 2905 */ 2906 if (x0 <= margin_left) 2907 x0 = margin_left; 2908 else if (x0 >= 6143 - margin_right) 2909 x0 = 6143 - margin_right; 2910 if (y0 <= margin_bottom) 2911 y0 = margin_bottom; 2912 else if (y0 >= 6143 - margin_top) 2913 y0 = 6143 - margin_top; 2914 2915 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2916 x0, y0, *z, w)); 2917 2918 /* Queue this new packet. */ 2919 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2920 synaction->queue[cursor].x = x0; 2921 synaction->queue[cursor].y = y0; 2922 synaction->queue_cursor = cursor; 2923 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2924 synaction->queue_len++; 2925 VLOG(5, (LOG_DEBUG, 2926 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2927 cursor, x0, y0, dx, dy)); 2928 2929 /* 2930 * For tap, we keep the maximum number of fingers and the 2931 * pressure peak. Also with multiple fingers, we increase 2932 * the minimum window. 2933 */ 2934 switch (w) { 2935 case 1: /* Three or more fingers. */ 2936 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2937 synaction->window_min = window_max; 2938 break; 2939 case 0: /* Two fingers. */ 2940 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2941 synaction->window_min = window_max; 2942 break; 2943 default: /* One finger or undetectable. */ 2944 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2945 } 2946 sc->zmax = imax(*z, sc->zmax); 2947 2948 /* Do we have enough packets to consider this a movement? */ 2949 if (synaction->queue_len < synaction->window_min) 2950 goto SYNAPTICS_END; 2951 2952 /* Is a scrolling action occuring? */ 2953 if (!synaction->in_taphold && !synaction->in_vscroll) { 2954 /* 2955 * A scrolling action must not conflict with a tap 2956 * action. Here are the conditions to consider a 2957 * scrolling action: 2958 * - the action in a configurable area 2959 * - one of the following: 2960 * . the distance between the last packet and the 2961 * first should be above a configurable minimum 2962 * . tap timed out 2963 */ 2964 dxp = abs(synaction->queue[synaction->queue_cursor].x - 2965 synaction->start_x); 2966 dyp = abs(synaction->queue[synaction->queue_cursor].y - 2967 synaction->start_y); 2968 2969 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 2970 dxp >= sc->syninfo.vscroll_min_delta || 2971 dyp >= sc->syninfo.vscroll_min_delta) { 2972 /* Check for horizontal scrolling. */ 2973 if ((vscroll_hor_area > 0 && 2974 synaction->start_y <= vscroll_hor_area) || 2975 (vscroll_hor_area < 0 && 2976 synaction->start_y >= 2977 6143 + vscroll_hor_area)) 2978 synaction->in_vscroll += 2; 2979 2980 /* Check for vertical scrolling. */ 2981 if ((vscroll_ver_area > 0 && 2982 synaction->start_x <= vscroll_ver_area) || 2983 (vscroll_ver_area < 0 && 2984 synaction->start_x >= 2985 6143 + vscroll_ver_area)) 2986 synaction->in_vscroll += 1; 2987 2988 /* Avoid conflicts if area overlaps. */ 2989 if (synaction->in_vscroll == 3) 2990 synaction->in_vscroll = 2991 (dxp > dyp) ? 2 : 1; 2992 } 2993 VLOG(5, (LOG_DEBUG, 2994 "synaptics: virtual scrolling: %s " 2995 "(direction=%d, dxp=%d, dyp=%d)\n", 2996 synaction->in_vscroll ? "YES" : "NO", 2997 synaction->in_vscroll, dxp, dyp)); 2998 } 2999 3000 weight_prev_x = weight_prev_y = weight_previous; 3001 div_max_x = div_max_y = div_max; 3002 3003 if (synaction->in_vscroll) { 3004 /* Dividers are different with virtual scrolling. */ 3005 div_min = sc->syninfo.vscroll_div_min; 3006 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 3007 } else { 3008 /* 3009 * There's a lot of noise in coordinates when 3010 * the finger is on the touchpad's borders. When 3011 * using this area, we apply a special weight and 3012 * div. 3013 */ 3014 if (x0 <= na_left || x0 >= 6143 - na_right) { 3015 weight_prev_x = sc->syninfo.weight_previous_na; 3016 div_max_x = sc->syninfo.div_max_na; 3017 } 3018 3019 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 3020 weight_prev_y = sc->syninfo.weight_previous_na; 3021 div_max_y = sc->syninfo.div_max_na; 3022 } 3023 } 3024 3025 /* 3026 * Calculate weights for the average operands and 3027 * the divisor. Both depend on the distance between 3028 * the current packet and a previous one (based on the 3029 * window width). 3030 */ 3031 window = imin(synaction->queue_len, window_max); 3032 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 3033 dxp = abs(x0 - synaction->queue[peer].x) + 1; 3034 dyp = abs(y0 - synaction->queue[peer].y) + 1; 3035 len = (dxp * dxp) + (dyp * dyp); 3036 weight_prev_x = imin(weight_prev_x, 3037 weight_len_squared * weight_prev_x / len); 3038 weight_prev_y = imin(weight_prev_y, 3039 weight_len_squared * weight_prev_y / len); 3040 3041 len = (dxp + dyp) / 2; 3042 div_x = div_len * div_max_x / len; 3043 div_x = imin(div_max_x, div_x); 3044 div_x = imax(div_min, div_x); 3045 div_y = div_len * div_max_y / len; 3046 div_y = imin(div_max_y, div_y); 3047 div_y = imax(div_min, div_y); 3048 3049 VLOG(3, (LOG_DEBUG, 3050 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 3051 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 3052 3053 /* Compute averages. */ 3054 synaction->avg_dx = 3055 (weight_current * dx * multiplicator + 3056 weight_prev_x * synaction->avg_dx) / 3057 (weight_current + weight_prev_x); 3058 3059 synaction->avg_dy = 3060 (weight_current * dy * multiplicator + 3061 weight_prev_y * synaction->avg_dy) / 3062 (weight_current + weight_prev_y); 3063 3064 VLOG(5, (LOG_DEBUG, 3065 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 3066 synaction->avg_dx / multiplicator, 3067 synaction->avg_dy / multiplicator)); 3068 3069 /* Use these averages to calculate x & y. */ 3070 synaction->squelch_x += synaction->avg_dx; 3071 *x = synaction->squelch_x / (div_x * multiplicator); 3072 synaction->squelch_x = synaction->squelch_x % 3073 (div_x * multiplicator); 3074 3075 synaction->squelch_y += synaction->avg_dy; 3076 *y = synaction->squelch_y / (div_y * multiplicator); 3077 synaction->squelch_y = synaction->squelch_y % 3078 (div_y * multiplicator); 3079 3080 if (synaction->in_vscroll) { 3081 switch(synaction->in_vscroll) { 3082 case 1: /* Vertical scrolling. */ 3083 if (*y != 0) 3084 ms->button |= (*y > 0) ? 3085 MOUSE_BUTTON4DOWN : 3086 MOUSE_BUTTON5DOWN; 3087 break; 3088 case 2: /* Horizontal scrolling. */ 3089 if (*x != 0) 3090 ms->button |= (*x > 0) ? 3091 MOUSE_BUTTON7DOWN : 3092 MOUSE_BUTTON6DOWN; 3093 break; 3094 } 3095 3096 /* The pointer is not moved. */ 3097 *x = *y = 0; 3098 } else { 3099 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3100 dx, dy, *x, *y)); 3101 } 3102 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3103 /* 3104 * An action is currently taking place but the pressure 3105 * dropped under the minimum, putting an end to it. 3106 */ 3107 synapticsaction_t *synaction; 3108 int taphold_timeout, dx, dy, tap_max_delta; 3109 3110 synaction = &(sc->synaction); 3111 dx = abs(synaction->queue[synaction->queue_cursor].x - 3112 synaction->start_x); 3113 dy = abs(synaction->queue[synaction->queue_cursor].y - 3114 synaction->start_y); 3115 3116 /* Max delta is disabled for multi-fingers tap. */ 3117 if (synaction->fingers_nb > 1) 3118 tap_max_delta = imax(dx, dy); 3119 else 3120 tap_max_delta = sc->syninfo.tap_max_delta; 3121 3122 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3123 3124 /* Check for tap. */ 3125 VLOG(3, (LOG_DEBUG, 3126 "synaptics: zmax=%d, dx=%d, dy=%d, " 3127 "delta=%d, fingers=%d, queue=%d\n", 3128 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3129 synaction->queue_len)); 3130 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3131 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3132 dx <= tap_max_delta && dy <= tap_max_delta && 3133 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3134 /* 3135 * We have a tap if: 3136 * - the maximum pressure went over tap_threshold 3137 * - the action ended before tap_timeout 3138 * 3139 * To handle tap-hold, we must delay any button push to 3140 * the next action. 3141 */ 3142 if (synaction->in_taphold) { 3143 /* 3144 * This is the second and last tap of a 3145 * double tap action, not a tap-hold. 3146 */ 3147 synaction->in_taphold = 0; 3148 3149 /* 3150 * For double-tap to work: 3151 * - no button press is emitted (to 3152 * simulate a button release) 3153 * - PSM_FLAGS_FINGERDOWN is set to 3154 * force the next packet to emit a 3155 * button press) 3156 */ 3157 VLOG(2, (LOG_DEBUG, 3158 "synaptics: button RELEASE: %d\n", 3159 synaction->tap_button)); 3160 sc->flags |= PSM_FLAGS_FINGERDOWN; 3161 } else { 3162 /* 3163 * This is the first tap: we set the 3164 * tap-hold state and notify the button 3165 * down event. 3166 */ 3167 synaction->in_taphold = 1; 3168 taphold_timeout = sc->syninfo.taphold_timeout; 3169 sc->taptimeout.tv_sec = taphold_timeout / 3170 1000000; 3171 sc->taptimeout.tv_usec = taphold_timeout % 3172 1000000; 3173 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3174 3175 switch (synaction->fingers_nb) { 3176 case 3: 3177 synaction->tap_button = 3178 MOUSE_BUTTON2DOWN; 3179 break; 3180 case 2: 3181 synaction->tap_button = 3182 MOUSE_BUTTON3DOWN; 3183 break; 3184 default: 3185 synaction->tap_button = 3186 MOUSE_BUTTON1DOWN; 3187 } 3188 VLOG(2, (LOG_DEBUG, 3189 "synaptics: button PRESS: %d\n", 3190 synaction->tap_button)); 3191 ms->button |= synaction->tap_button; 3192 } 3193 } else { 3194 /* 3195 * Not enough pressure or timeout: reset 3196 * tap-hold state. 3197 */ 3198 if (synaction->in_taphold) { 3199 VLOG(2, (LOG_DEBUG, 3200 "synaptics: button RELEASE: %d\n", 3201 synaction->tap_button)); 3202 synaction->in_taphold = 0; 3203 } else { 3204 VLOG(2, (LOG_DEBUG, 3205 "synaptics: not a tap-hold\n")); 3206 } 3207 } 3208 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3209 sc->synaction.in_taphold) { 3210 /* 3211 * For a tap-hold to work, the button must remain down at 3212 * least until timeout (where the in_taphold flags will be 3213 * cleared) or during the next action. 3214 */ 3215 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3216 ms->button |= sc->synaction.tap_button; 3217 } else { 3218 VLOG(2, (LOG_DEBUG, 3219 "synaptics: button RELEASE: %d\n", 3220 sc->synaction.tap_button)); 3221 sc->synaction.in_taphold = 0; 3222 } 3223 } 3224 3225 SYNAPTICS_END: 3226 /* 3227 * Use the extra buttons as a scrollwheel 3228 * 3229 * XXX X.Org uses the Z axis for vertical wheel only, 3230 * whereas moused(8) understands special values to differ 3231 * vertical and horizontal wheels. 3232 * 3233 * xf86-input-mouse needs therefore a small patch to 3234 * understand these special values. Without it, the 3235 * horizontal wheel acts as a vertical wheel in X.Org. 3236 * 3237 * That's why the horizontal wheel is disabled by 3238 * default for now. 3239 */ 3240 if (ms->button & MOUSE_BUTTON4DOWN) { 3241 *z = -1; 3242 ms->button &= ~MOUSE_BUTTON4DOWN; 3243 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3244 *z = 1; 3245 ms->button &= ~MOUSE_BUTTON5DOWN; 3246 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3247 *z = -2; 3248 ms->button &= ~MOUSE_BUTTON6DOWN; 3249 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3250 *z = 2; 3251 ms->button &= ~MOUSE_BUTTON7DOWN; 3252 } else 3253 *z = 0; 3254 3255 return (0); 3256 } 3257 3258 static void 3259 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3260 int *x, int *y, int *z) 3261 { 3262 static int butmap_versapad[8] = { 3263 0, 3264 MOUSE_BUTTON3DOWN, 3265 0, 3266 MOUSE_BUTTON3DOWN, 3267 MOUSE_BUTTON1DOWN, 3268 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3269 MOUSE_BUTTON1DOWN, 3270 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3271 }; 3272 int c, x0, y0; 3273 3274 /* VersaPad PS/2 absolute mode message format 3275 * 3276 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3277 * ipacket[0]: 1 1 0 A 1 L T R 3278 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3279 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3280 * ipacket[3]: 1 1 1 A 1 L T R 3281 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3282 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3283 * 3284 * [note] 3285 * R: right physical mouse button (1=on) 3286 * T: touch pad virtual button (1=tapping) 3287 * L: left physical mouse button (1=on) 3288 * A: position data is valid (1=valid) 3289 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3290 * V: vertical data (12bit signed integer. V11 is sign bit.) 3291 * P: pressure data 3292 * 3293 * Tapping is mapped to MOUSE_BUTTON4. 3294 */ 3295 c = pb->ipacket[0]; 3296 *x = *y = 0; 3297 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3298 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3299 if (c & MOUSE_PS2VERSA_IN_USE) { 3300 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3301 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3302 if (x0 & 0x800) 3303 x0 -= 0x1000; 3304 if (y0 & 0x800) 3305 y0 -= 0x1000; 3306 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3307 *x = sc->xold - x0; 3308 *y = y0 - sc->yold; 3309 if (*x < 0) /* XXX */ 3310 ++*x; 3311 else if (*x) 3312 --*x; 3313 if (*y < 0) 3314 ++*y; 3315 else if (*y) 3316 --*y; 3317 } else 3318 sc->flags |= PSM_FLAGS_FINGERDOWN; 3319 sc->xold = x0; 3320 sc->yold = y0; 3321 } else 3322 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3323 } 3324 3325 static void 3326 psmsoftintr(void *arg) 3327 { 3328 /* 3329 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3330 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3331 */ 3332 static int butmap[8] = { 3333 0, 3334 MOUSE_BUTTON1DOWN, 3335 MOUSE_BUTTON3DOWN, 3336 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3337 MOUSE_BUTTON2DOWN, 3338 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3339 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3340 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3341 }; 3342 struct psm_softc *sc = arg; 3343 mousestatus_t ms; 3344 packetbuf_t *pb; 3345 int x, y, z, c, l, s; 3346 3347 getmicrouptime(&sc->lastsoftintr); 3348 3349 s = spltty(); 3350 3351 do { 3352 pb = &sc->pqueue[sc->pqueue_start]; 3353 3354 if (sc->mode.level == PSM_LEVEL_NATIVE) 3355 goto next_native; 3356 3357 c = pb->ipacket[0]; 3358 /* 3359 * A kludge for Kensington device! 3360 * The MSB of the horizontal count appears to be stored in 3361 * a strange place. 3362 */ 3363 if (sc->hw.model == MOUSE_MODEL_THINK) 3364 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3365 3366 /* ignore the overflow bits... */ 3367 x = (c & MOUSE_PS2_XNEG) ? 3368 pb->ipacket[1] - 256 : pb->ipacket[1]; 3369 y = (c & MOUSE_PS2_YNEG) ? 3370 pb->ipacket[2] - 256 : pb->ipacket[2]; 3371 z = 0; 3372 ms.obutton = sc->button; /* previous button state */ 3373 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3374 /* `tapping' action */ 3375 if (sc->config & PSM_CONFIG_FORCETAP) 3376 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3377 0 : MOUSE_BUTTON4DOWN; 3378 3379 switch (sc->hw.model) { 3380 3381 case MOUSE_MODEL_EXPLORER: 3382 /* 3383 * b7 b6 b5 b4 b3 b2 b1 b0 3384 * byte 1: oy ox sy sx 1 M R L 3385 * byte 2: x x x x x x x x 3386 * byte 3: y y y y y y y y 3387 * byte 4: * * S2 S1 s d2 d1 d0 3388 * 3389 * L, M, R, S1, S2: left, middle, right and side buttons 3390 * s: wheel data sign bit 3391 * d2-d0: wheel data 3392 */ 3393 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3394 (pb->ipacket[3] & 0x0f) - 16 : 3395 (pb->ipacket[3] & 0x0f); 3396 ms.button |= 3397 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3398 MOUSE_BUTTON4DOWN : 0; 3399 ms.button |= 3400 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3401 MOUSE_BUTTON5DOWN : 0; 3402 break; 3403 3404 case MOUSE_MODEL_INTELLI: 3405 case MOUSE_MODEL_NET: 3406 /* wheel data is in the fourth byte */ 3407 z = (char)pb->ipacket[3]; 3408 /* 3409 * XXX some mice may send 7 when there is no Z movement? */ 3410 if ((z >= 7) || (z <= -7)) 3411 z = 0; 3412 /* some compatible mice have additional buttons */ 3413 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3414 MOUSE_BUTTON4DOWN : 0; 3415 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3416 MOUSE_BUTTON5DOWN : 0; 3417 break; 3418 3419 case MOUSE_MODEL_MOUSEMANPLUS: 3420 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3421 break; 3422 3423 case MOUSE_MODEL_GLIDEPOINT: 3424 /* `tapping' action */ 3425 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3426 MOUSE_BUTTON4DOWN; 3427 break; 3428 3429 case MOUSE_MODEL_NETSCROLL: 3430 /* 3431 * three addtional bytes encode buttons and 3432 * wheel events 3433 */ 3434 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3435 MOUSE_BUTTON4DOWN : 0; 3436 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3437 MOUSE_BUTTON5DOWN : 0; 3438 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3439 pb->ipacket[4] - 256 : pb->ipacket[4]; 3440 break; 3441 3442 case MOUSE_MODEL_THINK: 3443 /* the fourth button state in the first byte */ 3444 ms.button |= (c & MOUSE_PS2_TAP) ? 3445 MOUSE_BUTTON4DOWN : 0; 3446 break; 3447 3448 case MOUSE_MODEL_VERSAPAD: 3449 proc_versapad(sc, pb, &ms, &x, &y, &z); 3450 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3451 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3452 break; 3453 3454 case MOUSE_MODEL_4D: 3455 /* 3456 * b7 b6 b5 b4 b3 b2 b1 b0 3457 * byte 1: s2 d2 s1 d1 1 M R L 3458 * byte 2: sx x x x x x x x 3459 * byte 3: sy y y y y y y y 3460 * 3461 * s1: wheel 1 direction 3462 * d1: wheel 1 data 3463 * s2: wheel 2 direction 3464 * d2: wheel 2 data 3465 */ 3466 x = (pb->ipacket[1] & 0x80) ? 3467 pb->ipacket[1] - 256 : pb->ipacket[1]; 3468 y = (pb->ipacket[2] & 0x80) ? 3469 pb->ipacket[2] - 256 : pb->ipacket[2]; 3470 switch (c & MOUSE_4D_WHEELBITS) { 3471 case 0x10: 3472 z = 1; 3473 break; 3474 case 0x30: 3475 z = -1; 3476 break; 3477 case 0x40: /* XXX 2nd wheel turning right */ 3478 z = 2; 3479 break; 3480 case 0xc0: /* XXX 2nd wheel turning left */ 3481 z = -2; 3482 break; 3483 } 3484 break; 3485 3486 case MOUSE_MODEL_4DPLUS: 3487 if ((x < 16 - 256) && (y < 16 - 256)) { 3488 /* 3489 * b7 b6 b5 b4 b3 b2 b1 b0 3490 * byte 1: 0 0 1 1 1 M R L 3491 * byte 2: 0 0 0 0 1 0 0 0 3492 * byte 3: 0 0 0 0 S s d1 d0 3493 * 3494 * L, M, R, S: left, middle, right, 3495 * and side buttons 3496 * s: wheel data sign bit 3497 * d1-d0: wheel data 3498 */ 3499 x = y = 0; 3500 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3501 ms.button |= MOUSE_BUTTON4DOWN; 3502 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3503 ((pb->ipacket[2] & 0x07) - 8) : 3504 (pb->ipacket[2] & 0x07) ; 3505 } else { 3506 /* preserve previous button states */ 3507 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3508 } 3509 break; 3510 3511 case MOUSE_MODEL_SYNAPTICS: 3512 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3513 goto next; 3514 break; 3515 3516 case MOUSE_MODEL_TRACKPOINT: 3517 case MOUSE_MODEL_GENERIC: 3518 default: 3519 break; 3520 } 3521 3522 /* scale values */ 3523 if (sc->mode.accelfactor >= 1) { 3524 if (x != 0) { 3525 x = x * x / sc->mode.accelfactor; 3526 if (x == 0) 3527 x = 1; 3528 if (c & MOUSE_PS2_XNEG) 3529 x = -x; 3530 } 3531 if (y != 0) { 3532 y = y * y / sc->mode.accelfactor; 3533 if (y == 0) 3534 y = 1; 3535 if (c & MOUSE_PS2_YNEG) 3536 y = -y; 3537 } 3538 } 3539 3540 ms.dx = x; 3541 ms.dy = y; 3542 ms.dz = z; 3543 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3544 (ms.obutton ^ ms.button); 3545 3546 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3547 3548 sc->status.flags |= ms.flags; 3549 sc->status.dx += ms.dx; 3550 sc->status.dy += ms.dy; 3551 sc->status.dz += ms.dz; 3552 sc->status.button = ms.button; 3553 sc->button = ms.button; 3554 3555 next_native: 3556 sc->watchdog = FALSE; 3557 3558 /* queue data */ 3559 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3560 l = imin(pb->inputbytes, 3561 sizeof(sc->queue.buf) - sc->queue.tail); 3562 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3563 if (pb->inputbytes > l) 3564 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3565 pb->inputbytes - l); 3566 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3567 sizeof(sc->queue.buf); 3568 sc->queue.count += pb->inputbytes; 3569 } 3570 pb->inputbytes = 0; 3571 3572 next: 3573 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3574 sc->pqueue_start = 0; 3575 } while (sc->pqueue_start != sc->pqueue_end); 3576 3577 if (sc->state & PSM_ASLP) { 3578 sc->state &= ~PSM_ASLP; 3579 wakeup(sc); 3580 } 3581 selwakeuppri(&sc->rsel, PZERO); 3582 if (sc->async != NULL) { 3583 pgsigio(&sc->async, SIGIO, 0); 3584 } 3585 sc->state &= ~PSM_SOFTARMED; 3586 splx(s); 3587 } 3588 3589 static int 3590 psmpoll(struct cdev *dev, int events, struct thread *td) 3591 { 3592 struct psm_softc *sc = dev->si_drv1; 3593 int s; 3594 int revents = 0; 3595 3596 /* Return true if a mouse event available */ 3597 s = spltty(); 3598 if (events & (POLLIN | POLLRDNORM)) { 3599 if (sc->queue.count > 0) 3600 revents |= events & (POLLIN | POLLRDNORM); 3601 else 3602 selrecord(td, &sc->rsel); 3603 } 3604 splx(s); 3605 3606 return (revents); 3607 } 3608 3609 /* vendor/model specific routines */ 3610 3611 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3612 { 3613 if (set_mouse_resolution(kbdc, res) != res) 3614 return (FALSE); 3615 if (set_mouse_scaling(kbdc, scale) && 3616 set_mouse_scaling(kbdc, scale) && 3617 set_mouse_scaling(kbdc, scale) && 3618 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3619 return (TRUE); 3620 return (FALSE); 3621 } 3622 3623 static int 3624 mouse_ext_command(KBDC kbdc, int command) 3625 { 3626 int c; 3627 3628 c = (command >> 6) & 0x03; 3629 if (set_mouse_resolution(kbdc, c) != c) 3630 return (FALSE); 3631 c = (command >> 4) & 0x03; 3632 if (set_mouse_resolution(kbdc, c) != c) 3633 return (FALSE); 3634 c = (command >> 2) & 0x03; 3635 if (set_mouse_resolution(kbdc, c) != c) 3636 return (FALSE); 3637 c = (command >> 0) & 0x03; 3638 if (set_mouse_resolution(kbdc, c) != c) 3639 return (FALSE); 3640 return (TRUE); 3641 } 3642 3643 #ifdef notyet 3644 /* Logitech MouseMan Cordless II */ 3645 static int 3646 enable_lcordless(KDBC kbdc, struct psm_softc *sc) 3647 { 3648 int status[3]; 3649 int ch; 3650 3651 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 3652 return (FALSE); 3653 if (status[1] == PSMD_RES_HIGH) 3654 return (FALSE); 3655 ch = (status[0] & 0x07) - 1; /* channel # */ 3656 if ((ch <= 0) || (ch > 4)) 3657 return (FALSE); 3658 /* 3659 * status[1]: always one? 3660 * status[2]: battery status? (0-100) 3661 */ 3662 return (TRUE); 3663 } 3664 #endif /* notyet */ 3665 3666 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3667 static int 3668 enable_groller(KBDC kbdc, struct psm_softc *sc) 3669 { 3670 int status[3]; 3671 3672 /* 3673 * The special sequence to enable the fourth button and the 3674 * roller. Immediately after this sequence check status bytes. 3675 * if the mouse is NetScroll, the second and the third bytes are 3676 * '3' and 'D'. 3677 */ 3678 3679 /* 3680 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3681 * look like the following. 3682 * 3683 * byte 1 bit 7 always 0 3684 * bit 6 stream mode (0) 3685 * bit 5 disabled (0) 3686 * bit 4 1:1 scaling (0) 3687 * bit 3 always 0 3688 * bit 0-2 button status 3689 * byte 2 resolution (PSMD_RES_HIGH) 3690 * byte 3 report rate (?) 3691 */ 3692 3693 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 3694 return (FALSE); 3695 if ((status[1] != '3') || (status[2] != 'D')) 3696 return (FALSE); 3697 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3698 if (sc != NULL) 3699 sc->hw.buttons = 4; 3700 return (TRUE); 3701 } 3702 3703 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3704 static int 3705 enable_gmouse(KBDC kbdc, struct psm_softc *sc) 3706 { 3707 int status[3]; 3708 3709 /* 3710 * The special sequence to enable the middle, "rubber" button. 3711 * Immediately after this sequence check status bytes. 3712 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3713 * the second and the third bytes are '3' and 'U'. 3714 * NOTE: NetMouse reports that it has three buttons although it has 3715 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3716 * say they have three buttons too and they do have a button on the 3717 * side... 3718 */ 3719 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 3720 return (FALSE); 3721 if ((status[1] != '3') || (status[2] != 'U')) 3722 return (FALSE); 3723 return (TRUE); 3724 } 3725 3726 /* ALPS GlidePoint */ 3727 static int 3728 enable_aglide(KBDC kbdc, struct psm_softc *sc) 3729 { 3730 int status[3]; 3731 3732 /* 3733 * The special sequence to obtain ALPS GlidePoint specific 3734 * information. Immediately after this sequence, status bytes will 3735 * contain something interesting. 3736 * NOTE: ALPS produces several models of GlidePoint. Some of those 3737 * do not respond to this sequence, thus, cannot be detected this way. 3738 */ 3739 if (set_mouse_sampling_rate(kbdc, 100) != 100) 3740 return (FALSE); 3741 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 3742 return (FALSE); 3743 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3744 return (FALSE); 3745 return (TRUE); 3746 } 3747 3748 /* Kensington ThinkingMouse/Trackball */ 3749 static int 3750 enable_kmouse(KBDC kbdc, struct psm_softc *sc) 3751 { 3752 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3753 int status[3]; 3754 int id1; 3755 int id2; 3756 int i; 3757 3758 id1 = get_aux_id(kbdc); 3759 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3760 return (FALSE); 3761 /* 3762 * The device is now in the native mode? It returns a different 3763 * ID value... 3764 */ 3765 id2 = get_aux_id(kbdc); 3766 if ((id1 == id2) || (id2 != 2)) 3767 return (FALSE); 3768 3769 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3770 return (FALSE); 3771 #if PSM_DEBUG >= 2 3772 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3773 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3774 return (FALSE); 3775 #endif 3776 3777 /* 3778 * The special sequence to enable the third and fourth buttons. 3779 * Otherwise they behave like the first and second buttons. 3780 */ 3781 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3782 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3783 return (FALSE); 3784 3785 /* 3786 * At this point, the device is using default resolution and 3787 * sampling rate for the native mode. 3788 */ 3789 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3790 return (FALSE); 3791 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3792 return (FALSE); 3793 3794 /* the device appears be enabled by this sequence, diable it for now */ 3795 disable_aux_dev(kbdc); 3796 empty_aux_buffer(kbdc, 5); 3797 3798 return (TRUE); 3799 } 3800 3801 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3802 static int 3803 enable_mmanplus(KBDC kbdc, struct psm_softc *sc) 3804 { 3805 int data[3]; 3806 3807 /* the special sequence to enable the fourth button and the roller. */ 3808 /* 3809 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3810 * must be called exactly three times since the last RESET command 3811 * before this sequence. XXX 3812 */ 3813 if (!set_mouse_scaling(kbdc, 1)) 3814 return (FALSE); 3815 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3816 return (FALSE); 3817 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3818 return (FALSE); 3819 3820 /* 3821 * PS2++ protocol, packet type 0 3822 * 3823 * b7 b6 b5 b4 b3 b2 b1 b0 3824 * byte 1: * 1 p3 p2 1 * * * 3825 * byte 2: 1 1 p1 p0 m1 m0 1 0 3826 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3827 * 3828 * p3-p0: packet type: 0 3829 * m7-m0: model ID: MouseMan+:0x50, 3830 * FirstMouse+:0x51, 3831 * ScrollPoint:0x58... 3832 */ 3833 /* check constant bits */ 3834 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3835 return (FALSE); 3836 if ((data[1] & 0xc3) != 0xc2) 3837 return (FALSE); 3838 /* check d3-d0 in byte 2 */ 3839 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3840 return (FALSE); 3841 /* check p3-p0 */ 3842 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3843 return (FALSE); 3844 3845 if (sc != NULL) { 3846 sc->hw.hwid &= 0x00ff; 3847 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3848 } 3849 3850 /* 3851 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3852 * the wheel and the fourth button events are encoded in the 3853 * special data packet. The mouse may be put in the IntelliMouse mode 3854 * if it is initialized by the IntelliMouse's method. 3855 */ 3856 return (TRUE); 3857 } 3858 3859 /* MS IntelliMouse Explorer */ 3860 static int 3861 enable_msexplorer(KBDC kbdc, struct psm_softc *sc) 3862 { 3863 static u_char rate0[] = { 200, 100, 80, }; 3864 static u_char rate1[] = { 200, 200, 80, }; 3865 int id; 3866 int i; 3867 3868 /* 3869 * This is needed for at least A4Tech X-7xx mice - they do not go 3870 * straight to Explorer mode, but need to be set to Intelli mode 3871 * first. 3872 */ 3873 enable_msintelli(kbdc, sc); 3874 3875 /* the special sequence to enable the extra buttons and the roller. */ 3876 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) 3877 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3878 return (FALSE); 3879 /* the device will give the genuine ID only after the above sequence */ 3880 id = get_aux_id(kbdc); 3881 if (id != PSM_EXPLORER_ID) 3882 return (FALSE); 3883 3884 if (sc != NULL) { 3885 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3886 sc->hw.hwid = id; 3887 } 3888 3889 /* 3890 * XXX: this is a kludge to fool some KVM switch products 3891 * which think they are clever enough to know the 4-byte IntelliMouse 3892 * protocol, and assume any other protocols use 3-byte packets. 3893 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3894 * correctly to the host computer because of this! 3895 * The following sequence is actually IntelliMouse's "wake up" 3896 * sequence; it will make the KVM think the mouse is IntelliMouse 3897 * when it is in fact IntelliMouse Explorer. 3898 */ 3899 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) 3900 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3901 break; 3902 get_aux_id(kbdc); 3903 3904 return (TRUE); 3905 } 3906 3907 /* MS IntelliMouse */ 3908 static int 3909 enable_msintelli(KBDC kbdc, struct psm_softc *sc) 3910 { 3911 /* 3912 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3913 * probe routine and act like IntelliMouse. 3914 */ 3915 3916 static u_char rate[] = { 200, 100, 80, }; 3917 int id; 3918 int i; 3919 3920 /* the special sequence to enable the third button and the roller. */ 3921 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3922 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3923 return (FALSE); 3924 /* the device will give the genuine ID only after the above sequence */ 3925 id = get_aux_id(kbdc); 3926 if (id != PSM_INTELLI_ID) 3927 return (FALSE); 3928 3929 if (sc != NULL) { 3930 sc->hw.buttons = 3; 3931 sc->hw.hwid = id; 3932 } 3933 3934 return (TRUE); 3935 } 3936 3937 /* A4 Tech 4D Mouse */ 3938 static int 3939 enable_4dmouse(KBDC kbdc, struct psm_softc *sc) 3940 { 3941 /* 3942 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3943 */ 3944 3945 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3946 int id; 3947 int i; 3948 3949 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3950 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3951 return (FALSE); 3952 id = get_aux_id(kbdc); 3953 /* 3954 * WinEasy 4D, 4 Way Scroll 4D: 6 3955 * Cable-Free 4D: 8 (4DPLUS) 3956 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3957 */ 3958 if (id != PSM_4DMOUSE_ID) 3959 return (FALSE); 3960 3961 if (sc != NULL) { 3962 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3963 sc->hw.hwid = id; 3964 } 3965 3966 return (TRUE); 3967 } 3968 3969 /* A4 Tech 4D+ Mouse */ 3970 static int 3971 enable_4dplus(KBDC kbdc, struct psm_softc *sc) 3972 { 3973 /* 3974 * Newer wheel mice from A4 Tech seem to use this protocol. 3975 * Older models are recognized as either 4D Mouse or IntelliMouse. 3976 */ 3977 int id; 3978 3979 /* 3980 * enable_4dmouse() already issued the following ID sequence... 3981 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3982 int i; 3983 3984 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3985 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3986 return (FALSE); 3987 */ 3988 3989 id = get_aux_id(kbdc); 3990 switch (id) { 3991 case PSM_4DPLUS_ID: 3992 break; 3993 case PSM_4DPLUS_RFSW35_ID: 3994 break; 3995 default: 3996 return (FALSE); 3997 } 3998 3999 if (sc != NULL) { 4000 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 4001 sc->hw.hwid = id; 4002 } 4003 4004 return (TRUE); 4005 } 4006 4007 /* Synaptics Touchpad */ 4008 static int 4009 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 4010 { 4011 int error, arg; 4012 4013 /* Read the current value. */ 4014 arg = *(int *)oidp->oid_arg1; 4015 error = sysctl_handle_int(oidp, &arg, 0, req); 4016 4017 /* Sanity check. */ 4018 if (error || !req->newptr) 4019 return (error); 4020 4021 /* 4022 * Check that the new value is in the concerned node's range 4023 * of values. 4024 */ 4025 switch (oidp->oid_arg2) { 4026 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 4027 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 4028 if (arg < 0 || arg > 255) 4029 return (EINVAL); 4030 break; 4031 case SYNAPTICS_SYSCTL_MAX_WIDTH: 4032 if (arg < 4 || arg > 15) 4033 return (EINVAL); 4034 break; 4035 case SYNAPTICS_SYSCTL_MARGIN_TOP: 4036 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 4037 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 4038 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 4039 case SYNAPTICS_SYSCTL_NA_TOP: 4040 case SYNAPTICS_SYSCTL_NA_RIGHT: 4041 case SYNAPTICS_SYSCTL_NA_BOTTOM: 4042 case SYNAPTICS_SYSCTL_NA_LEFT: 4043 if (arg < 0 || arg > 6143) 4044 return (EINVAL); 4045 break; 4046 case SYNAPTICS_SYSCTL_WINDOW_MIN: 4047 case SYNAPTICS_SYSCTL_WINDOW_MAX: 4048 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 4049 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 4050 return (EINVAL); 4051 break; 4052 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 4053 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 4054 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 4055 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 4056 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 4057 case SYNAPTICS_SYSCTL_DIV_MIN: 4058 case SYNAPTICS_SYSCTL_DIV_MAX: 4059 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 4060 case SYNAPTICS_SYSCTL_DIV_LEN: 4061 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 4062 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 4063 if (arg < 1) 4064 return (EINVAL); 4065 break; 4066 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 4067 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 4068 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 4069 if (arg < 0) 4070 return (EINVAL); 4071 break; 4072 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 4073 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 4074 if (arg < -6143 || arg > 6143) 4075 return (EINVAL); 4076 break; 4077 default: 4078 return (EINVAL); 4079 } 4080 4081 /* Update. */ 4082 *(int *)oidp->oid_arg1 = arg; 4083 4084 return (error); 4085 } 4086 4087 static void 4088 synaptics_sysctl_create_tree(struct psm_softc *sc) 4089 { 4090 4091 if (sc->syninfo.sysctl_tree != NULL) 4092 return; 4093 4094 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 4095 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 4096 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 4097 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 4098 0, "Synaptics TouchPad"); 4099 4100 /* hw.psm.synaptics.directional_scrolls. */ 4101 sc->syninfo.directional_scrolls = 1; 4102 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4103 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4104 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4105 &sc->syninfo.directional_scrolls, 0, 4106 "Enable hardware scrolling pad (if non-zero) or register it as " 4107 "a middle-click (if 0)"); 4108 4109 /* hw.psm.synaptics.min_pressure. */ 4110 sc->syninfo.min_pressure = 16; 4111 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4112 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4113 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4114 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4115 synaptics_sysctl, "I", 4116 "Minimum pressure required to start an action"); 4117 4118 /* hw.psm.synaptics.max_pressure. */ 4119 sc->syninfo.max_pressure = 220; 4120 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4121 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4122 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4123 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4124 synaptics_sysctl, "I", 4125 "Maximum pressure to detect palm"); 4126 4127 /* hw.psm.synaptics.max_width. */ 4128 sc->syninfo.max_width = 10; 4129 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4130 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4131 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4132 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4133 synaptics_sysctl, "I", 4134 "Maximum finger width to detect palm"); 4135 4136 /* hw.psm.synaptics.top_margin. */ 4137 sc->syninfo.margin_top = 200; 4138 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4139 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4140 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4141 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4142 synaptics_sysctl, "I", 4143 "Top margin"); 4144 4145 /* hw.psm.synaptics.right_margin. */ 4146 sc->syninfo.margin_right = 200; 4147 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4148 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4149 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4150 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4151 synaptics_sysctl, "I", 4152 "Right margin"); 4153 4154 /* hw.psm.synaptics.bottom_margin. */ 4155 sc->syninfo.margin_bottom = 200; 4156 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4157 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4158 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4159 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4160 synaptics_sysctl, "I", 4161 "Bottom margin"); 4162 4163 /* hw.psm.synaptics.left_margin. */ 4164 sc->syninfo.margin_left = 200; 4165 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4166 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4167 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4168 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4169 synaptics_sysctl, "I", 4170 "Left margin"); 4171 4172 /* hw.psm.synaptics.na_top. */ 4173 sc->syninfo.na_top = 1783; 4174 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4175 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4176 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4177 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4178 synaptics_sysctl, "I", 4179 "Top noisy area, where weight_previous_na is used instead " 4180 "of weight_previous"); 4181 4182 /* hw.psm.synaptics.na_right. */ 4183 sc->syninfo.na_right = 563; 4184 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4185 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4186 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4187 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4188 synaptics_sysctl, "I", 4189 "Right noisy area, where weight_previous_na is used instead " 4190 "of weight_previous"); 4191 4192 /* hw.psm.synaptics.na_bottom. */ 4193 sc->syninfo.na_bottom = 1408; 4194 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4195 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4196 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4197 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4198 synaptics_sysctl, "I", 4199 "Bottom noisy area, where weight_previous_na is used instead " 4200 "of weight_previous"); 4201 4202 /* hw.psm.synaptics.na_left. */ 4203 sc->syninfo.na_left = 1600; 4204 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4205 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4206 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4207 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4208 synaptics_sysctl, "I", 4209 "Left noisy area, where weight_previous_na is used instead " 4210 "of weight_previous"); 4211 4212 /* hw.psm.synaptics.window_min. */ 4213 sc->syninfo.window_min = 4; 4214 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4215 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4216 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4217 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4218 synaptics_sysctl, "I", 4219 "Minimum window size to start an action"); 4220 4221 /* hw.psm.synaptics.window_max. */ 4222 sc->syninfo.window_max = 10; 4223 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4224 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4225 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4226 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4227 synaptics_sysctl, "I", 4228 "Maximum window size"); 4229 4230 /* hw.psm.synaptics.multiplicator. */ 4231 sc->syninfo.multiplicator = 10000; 4232 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4233 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4234 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4235 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4236 synaptics_sysctl, "I", 4237 "Multiplicator to increase precision in averages and divisions"); 4238 4239 /* hw.psm.synaptics.weight_current. */ 4240 sc->syninfo.weight_current = 3; 4241 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4242 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4243 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4244 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4245 synaptics_sysctl, "I", 4246 "Weight of the current movement in the new average"); 4247 4248 /* hw.psm.synaptics.weight_previous. */ 4249 sc->syninfo.weight_previous = 6; 4250 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4251 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4252 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4253 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4254 synaptics_sysctl, "I", 4255 "Weight of the previous average"); 4256 4257 /* hw.psm.synaptics.weight_previous_na. */ 4258 sc->syninfo.weight_previous_na = 20; 4259 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4260 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4261 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4262 &sc->syninfo.weight_previous_na, 4263 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4264 synaptics_sysctl, "I", 4265 "Weight of the previous average (inside the noisy area)"); 4266 4267 /* hw.psm.synaptics.weight_len_squared. */ 4268 sc->syninfo.weight_len_squared = 2000; 4269 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4270 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4271 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4272 &sc->syninfo.weight_len_squared, 4273 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4274 synaptics_sysctl, "I", 4275 "Length (squared) of segments where weight_previous " 4276 "starts to decrease"); 4277 4278 /* hw.psm.synaptics.div_min. */ 4279 sc->syninfo.div_min = 9; 4280 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4281 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4282 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4283 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4284 synaptics_sysctl, "I", 4285 "Divisor for fast movements"); 4286 4287 /* hw.psm.synaptics.div_max. */ 4288 sc->syninfo.div_max = 17; 4289 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4290 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4291 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4292 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4293 synaptics_sysctl, "I", 4294 "Divisor for slow movements"); 4295 4296 /* hw.psm.synaptics.div_max_na. */ 4297 sc->syninfo.div_max_na = 30; 4298 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4299 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4300 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4301 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4302 synaptics_sysctl, "I", 4303 "Divisor with slow movements (inside the noisy area)"); 4304 4305 /* hw.psm.synaptics.div_len. */ 4306 sc->syninfo.div_len = 100; 4307 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4308 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4309 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4310 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4311 synaptics_sysctl, "I", 4312 "Length of segments where div_max starts to decrease"); 4313 4314 /* hw.psm.synaptics.tap_max_delta. */ 4315 sc->syninfo.tap_max_delta = 80; 4316 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4317 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4318 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4319 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4320 synaptics_sysctl, "I", 4321 "Length of segments above which a tap is ignored"); 4322 4323 /* hw.psm.synaptics.tap_min_queue. */ 4324 sc->syninfo.tap_min_queue = 2; 4325 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4326 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4327 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4328 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4329 synaptics_sysctl, "I", 4330 "Number of packets required to consider a tap"); 4331 4332 /* hw.psm.synaptics.taphold_timeout. */ 4333 sc->synaction.in_taphold = 0; 4334 sc->syninfo.taphold_timeout = tap_timeout; 4335 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4336 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4337 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4338 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4339 synaptics_sysctl, "I", 4340 "Maximum elapsed time between two taps to consider a tap-hold " 4341 "action"); 4342 4343 /* hw.psm.synaptics.vscroll_hor_area. */ 4344 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4345 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4346 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4347 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4348 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4349 synaptics_sysctl, "I", 4350 "Area reserved for horizontal virtual scrolling"); 4351 4352 /* hw.psm.synaptics.vscroll_ver_area. */ 4353 sc->syninfo.vscroll_ver_area = -600; 4354 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4355 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4356 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4357 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4358 synaptics_sysctl, "I", 4359 "Area reserved for vertical virtual scrolling"); 4360 4361 /* hw.psm.synaptics.vscroll_min_delta. */ 4362 sc->syninfo.vscroll_min_delta = 50; 4363 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4364 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4365 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4366 &sc->syninfo.vscroll_min_delta, 4367 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4368 synaptics_sysctl, "I", 4369 "Minimum movement to consider virtual scrolling"); 4370 4371 /* hw.psm.synaptics.vscroll_div_min. */ 4372 sc->syninfo.vscroll_div_min = 100; 4373 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4374 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4375 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4376 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4377 synaptics_sysctl, "I", 4378 "Divisor for fast scrolling"); 4379 4380 /* hw.psm.synaptics.vscroll_div_min. */ 4381 sc->syninfo.vscroll_div_max = 150; 4382 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4383 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4384 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4385 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4386 synaptics_sysctl, "I", 4387 "Divisor for slow scrolling"); 4388 } 4389 4390 static int 4391 enable_synaptics(KBDC kbdc, struct psm_softc *sc) 4392 { 4393 synapticshw_t synhw; 4394 int status[3]; 4395 int buttons; 4396 4397 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4398 4399 /* 4400 * Just to be on the safe side: this avoids troubles with 4401 * following mouse_ext_command() when the previous command 4402 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4403 * Synaptics Touchpad behaviour. 4404 */ 4405 set_mouse_scaling(kbdc, 1); 4406 4407 /* Identify the Touchpad version. */ 4408 if (mouse_ext_command(kbdc, 0) == 0) 4409 return (FALSE); 4410 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4411 return (FALSE); 4412 if (status[1] != 0x47) 4413 return (FALSE); 4414 4415 bzero(&synhw, sizeof(synhw)); 4416 synhw.infoMinor = status[0]; 4417 synhw.infoMajor = status[2] & 0x0f; 4418 4419 if (verbose >= 2) 4420 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 4421 synhw.infoMinor); 4422 4423 if (synhw.infoMajor < 4) { 4424 printf(" Unsupported (pre-v4) Touchpad detected\n"); 4425 return (FALSE); 4426 } 4427 4428 /* Get the Touchpad model information. */ 4429 if (mouse_ext_command(kbdc, 3) == 0) 4430 return (FALSE); 4431 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4432 return (FALSE); 4433 if ((status[1] & 0x01) != 0) { 4434 printf(" Failed to read model information\n"); 4435 return (FALSE); 4436 } 4437 4438 synhw.infoRot180 = (status[0] & 0x80) != 0; 4439 synhw.infoPortrait = (status[0] & 0x40) != 0; 4440 synhw.infoSensor = status[0] & 0x3f; 4441 synhw.infoHardware = (status[1] & 0xfe) >> 1; 4442 synhw.infoNewAbs = (status[2] & 0x80) != 0; 4443 synhw.capPen = (status[2] & 0x40) != 0; 4444 synhw.infoSimplC = (status[2] & 0x20) != 0; 4445 synhw.infoGeometry = status[2] & 0x0f; 4446 4447 if (verbose >= 2) { 4448 printf(" Model information:\n"); 4449 printf(" infoRot180: %d\n", synhw.infoRot180); 4450 printf(" infoPortrait: %d\n", synhw.infoPortrait); 4451 printf(" infoSensor: %d\n", synhw.infoSensor); 4452 printf(" infoHardware: %d\n", synhw.infoHardware); 4453 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 4454 printf(" capPen: %d\n", synhw.capPen); 4455 printf(" infoSimplC: %d\n", synhw.infoSimplC); 4456 printf(" infoGeometry: %d\n", synhw.infoGeometry); 4457 } 4458 4459 /* Read the extended capability bits. */ 4460 if (mouse_ext_command(kbdc, 2) == 0) 4461 return (FALSE); 4462 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4463 return (FALSE); 4464 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 4465 printf(" Failed to read extended capability bits\n"); 4466 return (FALSE); 4467 } 4468 4469 /* Set the different capabilities when they exist. */ 4470 buttons = 0; 4471 synhw.capExtended = (status[0] & 0x80) != 0; 4472 if (synhw.capExtended) { 4473 synhw.nExtendedQueries = (status[0] & 0x70) != 0; 4474 synhw.capMiddle = (status[0] & 0x04) != 0; 4475 synhw.capPassthrough = (status[2] & 0x80) != 0; 4476 synhw.capSleep = (status[2] & 0x10) != 0; 4477 synhw.capFourButtons = (status[2] & 0x08) != 0; 4478 synhw.capMultiFinger = (status[2] & 0x02) != 0; 4479 synhw.capPalmDetect = (status[2] & 0x01) != 0; 4480 4481 if (verbose >= 2) { 4482 printf(" Extended capabilities:\n"); 4483 printf(" capExtended: %d\n", synhw.capExtended); 4484 printf(" capMiddle: %d\n", synhw.capMiddle); 4485 printf(" nExtendedQueries: %d\n", 4486 synhw.nExtendedQueries); 4487 printf(" capPassthrough: %d\n", synhw.capPassthrough); 4488 printf(" capSleep: %d\n", synhw.capSleep); 4489 printf(" capFourButtons: %d\n", synhw.capFourButtons); 4490 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 4491 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 4492 } 4493 4494 /* 4495 * If nExtendedQueries is 1 or greater, then the TouchPad 4496 * supports this number of extended queries. We can load 4497 * more information about buttons using query 0x09. 4498 */ 4499 if (synhw.capExtended && synhw.nExtendedQueries) { 4500 if (mouse_ext_command(kbdc, 0x09) == 0) 4501 return (FALSE); 4502 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4503 return (FALSE); 4504 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 4505 /* 4506 * Add the number of extended buttons to the total 4507 * button support count, including the middle button 4508 * if capMiddle support bit is set. 4509 */ 4510 buttons = synhw.nExtendedButtons + synhw.capMiddle; 4511 } else 4512 /* 4513 * If the capFourButtons support bit is set, 4514 * add a fourth button to the total button count. 4515 */ 4516 buttons = synhw.capFourButtons ? 1 : 0; 4517 } 4518 if (verbose >= 2) { 4519 if (synhw.capExtended) 4520 printf(" Additional Buttons: %d\n", buttons); 4521 else 4522 printf(" No extended capabilities\n"); 4523 } 4524 4525 /* 4526 * Add the default number of 3 buttons to the total 4527 * count of supported buttons reported above. 4528 */ 4529 buttons += 3; 4530 4531 /* 4532 * Read the mode byte. 4533 * 4534 * XXX: Note the Synaptics documentation also defines the first 4535 * byte of the response to this query to be a constant 0x3b, this 4536 * does not appear to be true for Touchpads with guest devices. 4537 */ 4538 if (mouse_ext_command(kbdc, 1) == 0) 4539 return (FALSE); 4540 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4541 return (FALSE); 4542 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 4543 printf(" Failed to read mode byte\n"); 4544 return (FALSE); 4545 } 4546 4547 if (sc != NULL) 4548 sc->synhw = synhw; 4549 if (!synaptics_support) 4550 return (FALSE); 4551 4552 /* Set the mode byte; request wmode where available. */ 4553 mouse_ext_command(kbdc, synhw.capExtended ? 0xc1 : 0xc0); 4554 4555 /* "Commit" the Set Mode Byte command sent above. */ 4556 set_mouse_sampling_rate(kbdc, 20); 4557 4558 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 4559 4560 if (sc != NULL) { 4561 /* Create sysctl tree. */ 4562 synaptics_sysctl_create_tree(sc); 4563 4564 sc->hw.buttons = buttons; 4565 } 4566 4567 return (TRUE); 4568 } 4569 4570 /* IBM/Lenovo TrackPoint */ 4571 static int 4572 trackpoint_command(KBDC kbdc, int cmd, int loc, int val) 4573 { 4574 const int seq[] = { 0xe2, cmd, loc, val }; 4575 int i; 4576 4577 for (i = 0; i < nitems(seq); i++) 4578 if (send_aux_command(kbdc, seq[i]) != PSM_ACK) 4579 return (EIO); 4580 return (0); 4581 } 4582 4583 #define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 4584 #define TPMASK 0 4585 #define TPLOC 1 4586 #define TPINFO 2 4587 4588 static int 4589 trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 4590 { 4591 static const int data[][3] = { 4592 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 4593 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 4594 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 4595 { 0x00, 0x57, PSM_TPINFO(reach) }, 4596 { 0x00, 0x58, PSM_TPINFO(draghys) }, 4597 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 4598 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 4599 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 4600 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 4601 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 4602 { 0x01, 0x2c, PSM_TPINFO(pts) }, 4603 { 0x08, 0x2d, PSM_TPINFO(skipback) } 4604 }; 4605 struct psm_softc *sc; 4606 int error, newval, *oldvalp; 4607 const int *tp; 4608 4609 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 4610 return (EINVAL); 4611 sc = arg1; 4612 tp = data[arg2]; 4613 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 4614 newval = *oldvalp; 4615 error = sysctl_handle_int(oidp, &newval, 0, req); 4616 if (error != 0) 4617 return (error); 4618 if (newval == *oldvalp) 4619 return (0); 4620 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 4621 return (EINVAL); 4622 error = trackpoint_command(sc->kbdc, tp[TPMASK] == 0 ? 0x81 : 0x47, 4623 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 4624 if (error != 0) 4625 return (error); 4626 *oldvalp = newval; 4627 4628 return (0); 4629 } 4630 4631 static void 4632 trackpoint_sysctl_create_tree(struct psm_softc *sc) 4633 { 4634 4635 if (sc->tpinfo.sysctl_tree != NULL) 4636 return; 4637 4638 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 4639 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 4640 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 4641 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", CTLFLAG_RD, 4642 0, "IBM/Lenovo TrackPoint"); 4643 4644 /* hw.psm.trackpoint.sensitivity */ 4645 sc->tpinfo.sensitivity = 0x64; 4646 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4647 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4648 "sensitivity", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4649 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 4650 trackpoint_sysctl, "I", 4651 "Sensitivity"); 4652 4653 /* hw.psm.trackpoint.negative_inertia */ 4654 sc->tpinfo.inertia = 0x06; 4655 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4656 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4657 "negative_inertia", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4658 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 4659 trackpoint_sysctl, "I", 4660 "Negative inertia factor"); 4661 4662 /* hw.psm.trackpoint.upper_plateau */ 4663 sc->tpinfo.uplateau = 0x61; 4664 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4665 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4666 "upper_plateau", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4667 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 4668 trackpoint_sysctl, "I", 4669 "Transfer function upper plateau speed"); 4670 4671 /* hw.psm.trackpoint.backup_range */ 4672 sc->tpinfo.reach = 0x0a; 4673 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4674 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4675 "backup_range", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4676 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 4677 trackpoint_sysctl, "I", 4678 "Backup range"); 4679 4680 /* hw.psm.trackpoint.drag_hysteresis */ 4681 sc->tpinfo.draghys = 0xff; 4682 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4683 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4684 "drag_hysteresis", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4685 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 4686 trackpoint_sysctl, "I", 4687 "Drag hysteresis"); 4688 4689 /* hw.psm.trackpoint.minimum_drag */ 4690 sc->tpinfo.mindrag = 0x14; 4691 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4692 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4693 "minimum_drag", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4694 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 4695 trackpoint_sysctl, "I", 4696 "Minimum drag"); 4697 4698 /* hw.psm.trackpoint.up_threshold */ 4699 sc->tpinfo.upthresh = 0xff; 4700 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4701 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4702 "up_threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4703 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 4704 trackpoint_sysctl, "I", 4705 "Up threshold for release"); 4706 4707 /* hw.psm.trackpoint.threshold */ 4708 sc->tpinfo.threshold = 0x08; 4709 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4710 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4711 "threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4712 sc, TRACKPOINT_SYSCTL_THRESHOLD, 4713 trackpoint_sysctl, "I", 4714 "Threshold"); 4715 4716 /* hw.psm.trackpoint.jenks_curvature */ 4717 sc->tpinfo.jenks = 0x87; 4718 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4719 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4720 "jenks_curvature", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4721 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 4722 trackpoint_sysctl, "I", 4723 "Jenks curvature"); 4724 4725 /* hw.psm.trackpoint.z_time */ 4726 sc->tpinfo.ztime = 0x26; 4727 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4728 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4729 "z_time", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4730 sc, TRACKPOINT_SYSCTL_Z_TIME, 4731 trackpoint_sysctl, "I", 4732 "Z time constant"); 4733 4734 /* hw.psm.trackpoint.press_to_select */ 4735 sc->tpinfo.pts = 0x00; 4736 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4737 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4738 "press_to_select", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4739 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 4740 trackpoint_sysctl, "I", 4741 "Press to Select"); 4742 4743 /* hw.psm.trackpoint.skip_backups */ 4744 sc->tpinfo.skipback = 0x00; 4745 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4746 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4747 "skip_backups", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4748 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 4749 trackpoint_sysctl, "I", 4750 "Skip backups from drags"); 4751 } 4752 4753 static int 4754 enable_trackpoint(KBDC kbdc, struct psm_softc *sc) 4755 { 4756 int id; 4757 4758 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 4759 read_aux_data(kbdc) != 0x01) 4760 return (FALSE); 4761 id = read_aux_data(kbdc); 4762 if (id < 0x01) 4763 return (FALSE); 4764 if (sc != NULL) 4765 sc->tphw = id; 4766 if (!trackpoint_support) 4767 return (FALSE); 4768 4769 if (sc != NULL) { 4770 /* Create sysctl tree. */ 4771 trackpoint_sysctl_create_tree(sc); 4772 4773 trackpoint_command(kbdc, 0x81, 0x4a, sc->tpinfo.sensitivity); 4774 trackpoint_command(kbdc, 0x81, 0x4d, sc->tpinfo.inertia); 4775 trackpoint_command(kbdc, 0x81, 0x60, sc->tpinfo.uplateau); 4776 trackpoint_command(kbdc, 0x81, 0x57, sc->tpinfo.reach); 4777 trackpoint_command(kbdc, 0x81, 0x58, sc->tpinfo.draghys); 4778 trackpoint_command(kbdc, 0x81, 0x59, sc->tpinfo.mindrag); 4779 trackpoint_command(kbdc, 0x81, 0x5a, sc->tpinfo.upthresh); 4780 trackpoint_command(kbdc, 0x81, 0x5c, sc->tpinfo.threshold); 4781 trackpoint_command(kbdc, 0x81, 0x5d, sc->tpinfo.jenks); 4782 trackpoint_command(kbdc, 0x81, 0x5e, sc->tpinfo.ztime); 4783 if (sc->tpinfo.pts == 0x01) 4784 trackpoint_command(kbdc, 0x47, 0x2c, 0x01); 4785 if (sc->tpinfo.skipback == 0x01) 4786 trackpoint_command(kbdc, 0x47, 0x2d, 0x08); 4787 4788 sc->hw.hwid = id; 4789 sc->hw.buttons = 3; 4790 } 4791 4792 return (TRUE); 4793 } 4794 4795 /* Interlink electronics VersaPad */ 4796 static int 4797 enable_versapad(KBDC kbdc, struct psm_softc *sc) 4798 { 4799 int data[3]; 4800 4801 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 4802 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 4803 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4804 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4805 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4806 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4807 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 4808 return (FALSE); 4809 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 4810 return (FALSE); 4811 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4812 4813 return (TRUE); /* PS/2 absolute mode */ 4814 } 4815 4816 /* 4817 * Return true if 'now' is earlier than (start + (secs.usecs)). 4818 * Now may be NULL and the function will fetch the current time from 4819 * getmicrouptime(), or a cached 'now' can be passed in. 4820 * All values should be numbers derived from getmicrouptime(). 4821 */ 4822 static int 4823 timeelapsed(start, secs, usecs, now) 4824 const struct timeval *start, *now; 4825 int secs, usecs; 4826 { 4827 struct timeval snow, tv; 4828 4829 /* if there is no 'now' passed in, the get it as a convience. */ 4830 if (now == NULL) { 4831 getmicrouptime(&snow); 4832 now = &snow; 4833 } 4834 4835 tv.tv_sec = secs; 4836 tv.tv_usec = usecs; 4837 timevaladd(&tv, start); 4838 return (timevalcmp(&tv, now, <)); 4839 } 4840 4841 static int 4842 psmresume(device_t dev) 4843 { 4844 struct psm_softc *sc = device_get_softc(dev); 4845 int unit = device_get_unit(dev); 4846 int err; 4847 4848 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 4849 4850 if ((sc->config & 4851 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 4852 return (0); 4853 4854 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 4855 4856 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 4857 /* 4858 * Release the blocked process; it must be notified that 4859 * the device cannot be accessed anymore. 4860 */ 4861 sc->state &= ~PSM_ASLP; 4862 wakeup(sc); 4863 } 4864 4865 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 4866 4867 return (err); 4868 } 4869 4870 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 4871 4872 #ifdef DEV_ISA 4873 4874 /* 4875 * This sucks up assignments from PNPBIOS and ACPI. 4876 */ 4877 4878 /* 4879 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 4880 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 4881 * can be probed and attached only after the AT keyboard controller is 4882 * attached, we shall quietly reserve the IRQ resource for later use. 4883 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 4884 * copy the IRQ resource to the PS/2 mouse device instance hanging 4885 * under the keyboard controller, then probe and attach it. 4886 */ 4887 4888 static devclass_t psmcpnp_devclass; 4889 4890 static device_probe_t psmcpnp_probe; 4891 static device_attach_t psmcpnp_attach; 4892 4893 static device_method_t psmcpnp_methods[] = { 4894 DEVMETHOD(device_probe, psmcpnp_probe), 4895 DEVMETHOD(device_attach, psmcpnp_attach), 4896 4897 { 0, 0 } 4898 }; 4899 4900 static driver_t psmcpnp_driver = { 4901 PSMCPNP_DRIVER_NAME, 4902 psmcpnp_methods, 4903 1, /* no softc */ 4904 }; 4905 4906 static struct isa_pnp_id psmcpnp_ids[] = { 4907 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 4908 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 4909 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 4910 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 4911 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 4912 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 4913 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 4914 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 4915 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 4916 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 4917 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 4918 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 4919 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 4920 { 0 } 4921 }; 4922 4923 static int 4924 create_a_copy(device_t atkbdc, device_t me) 4925 { 4926 device_t psm; 4927 u_long irq; 4928 4929 /* find the PS/2 mouse device instance under the keyboard controller */ 4930 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 4931 device_get_unit(atkbdc)); 4932 if (psm == NULL) 4933 return (ENXIO); 4934 if (device_get_state(psm) != DS_NOTPRESENT) 4935 return (0); 4936 4937 /* move our resource to the found device */ 4938 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 4939 bus_delete_resource(me, SYS_RES_IRQ, 0); 4940 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 4941 4942 /* ...then probe and attach it */ 4943 return (device_probe_and_attach(psm)); 4944 } 4945 4946 static int 4947 psmcpnp_probe(device_t dev) 4948 { 4949 struct resource *res; 4950 u_long irq; 4951 int rid; 4952 4953 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 4954 return (ENXIO); 4955 4956 /* 4957 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 4958 * to the PS/2 mouse device node. But, some buggy PnP BIOS 4959 * declares the PS/2 mouse device node without an IRQ resource! 4960 * If this happens, we shall refer to device hints. 4961 * If we still don't find it there, use a hardcoded value... XXX 4962 */ 4963 rid = 0; 4964 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 4965 if (irq <= 0) { 4966 if (resource_long_value(PSM_DRIVER_NAME, 4967 device_get_unit(dev),"irq", &irq) != 0) 4968 irq = 12; /* XXX */ 4969 device_printf(dev, "irq resource info is missing; " 4970 "assuming irq %ld\n", irq); 4971 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 4972 } 4973 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 4974 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 4975 4976 /* keep quiet */ 4977 if (!bootverbose) 4978 device_quiet(dev); 4979 4980 return ((res == NULL) ? ENXIO : 0); 4981 } 4982 4983 static int 4984 psmcpnp_attach(device_t dev) 4985 { 4986 device_t atkbdc; 4987 4988 /* find the keyboard controller, which may be on acpi* or isa* bus */ 4989 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 4990 device_get_unit(dev)); 4991 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 4992 create_a_copy(atkbdc, dev); 4993 4994 return (0); 4995 } 4996 4997 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 4998 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 4999 5000 #endif /* DEV_ISA */ 5001