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: stable/10/sys/dev/atkbdc/psm.c 329533 2018-02-18 22:12:20Z wulf $"); 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 */ 147typedef 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 */ 155typedef 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 164enum { 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 SYNAPTICS_SYSCTL_TOUCHPAD_OFF 196}; 197 198typedef struct synapticsinfo { 199 struct sysctl_ctx_list sysctl_ctx; 200 struct sysctl_oid *sysctl_tree; 201 int directional_scrolls; 202 int two_finger_scroll; 203 int min_pressure; 204 int max_pressure; 205 int max_width; 206 int margin_top; 207 int margin_right; 208 int margin_bottom; 209 int margin_left; 210 int na_top; 211 int na_right; 212 int na_bottom; 213 int na_left; 214 int window_min; 215 int window_max; 216 int multiplicator; 217 int weight_current; 218 int weight_previous; 219 int weight_previous_na; 220 int weight_len_squared; 221 int div_min; 222 int div_max; 223 int div_max_na; 224 int div_len; 225 int tap_max_delta; 226 int tap_min_queue; 227 int taphold_timeout; 228 int vscroll_ver_area; 229 int vscroll_hor_area; 230 int vscroll_min_delta; 231 int vscroll_div_min; 232 int vscroll_div_max; 233 int touchpad_off; 234} synapticsinfo_t; 235 236typedef struct synapticspacket { 237 int x; 238 int y; 239} synapticspacket_t; 240 241#define SYNAPTICS_PACKETQUEUE 10 242#define SYNAPTICS_QUEUE_CURSOR(x) \ 243 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 244 245#define SYNAPTICS_VERSION_GE(synhw, major, minor) \ 246 ((synhw).infoMajor > (major) || \ 247 ((synhw).infoMajor == (major) && (synhw).infoMinor >= (minor))) 248 249typedef struct synapticsaction { 250 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 251 int queue_len; 252 int queue_cursor; 253 int window_min; 254 int start_x; 255 int start_y; 256 int avg_dx; 257 int avg_dy; 258 int squelch_x; 259 int squelch_y; 260 int fingers_nb; 261 int tap_button; 262 int in_taphold; 263 int in_vscroll; 264} synapticsaction_t; 265 266enum { 267 TRACKPOINT_SYSCTL_SENSITIVITY, 268 TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 269 TRACKPOINT_SYSCTL_UPPER_PLATEAU, 270 TRACKPOINT_SYSCTL_BACKUP_RANGE, 271 TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 272 TRACKPOINT_SYSCTL_MINIMUM_DRAG, 273 TRACKPOINT_SYSCTL_UP_THRESHOLD, 274 TRACKPOINT_SYSCTL_THRESHOLD, 275 TRACKPOINT_SYSCTL_JENKS_CURVATURE, 276 TRACKPOINT_SYSCTL_Z_TIME, 277 TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 278 TRACKPOINT_SYSCTL_SKIP_BACKUPS 279}; 280 281typedef struct trackpointinfo { 282 struct sysctl_ctx_list sysctl_ctx; 283 struct sysctl_oid *sysctl_tree; 284 int sensitivity; 285 int inertia; 286 int uplateau; 287 int reach; 288 int draghys; 289 int mindrag; 290 int upthresh; 291 int threshold; 292 int jenks; 293 int ztime; 294 int pts; 295 int skipback; 296} trackpointinfo_t; 297 298/* driver control block */ 299struct psm_softc { /* Driver status information */ 300 int unit; 301 struct selinfo rsel; /* Process selecting for Input */ 302 u_char state; /* Mouse driver state */ 303 int config; /* driver configuration flags */ 304 int flags; /* other flags */ 305 KBDC kbdc; /* handle to access kbd controller */ 306 struct resource *intr; /* IRQ resource */ 307 void *ih; /* interrupt handle */ 308 mousehw_t hw; /* hardware information */ 309 synapticshw_t synhw; /* Synaptics hardware information */ 310 synapticsinfo_t syninfo; /* Synaptics configuration */ 311 synapticsaction_t synaction; /* Synaptics action context */ 312 int tphw; /* TrackPoint hardware information */ 313 trackpointinfo_t tpinfo; /* TrackPoint configuration */ 314 mousemode_t mode; /* operation mode */ 315 mousemode_t dflt_mode; /* default operation mode */ 316 mousestatus_t status; /* accumulated mouse movement */ 317 ringbuf_t queue; /* mouse status queue */ 318 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 319 int pqueue_start; /* start of data in queue */ 320 int pqueue_end; /* end of data in queue */ 321 int button; /* the latest button state */ 322 int xold; /* previous absolute X position */ 323 int yold; /* previous absolute Y position */ 324 int xaverage; /* average X position */ 325 int yaverage; /* average Y position */ 326 int squelch; /* level to filter movement at low speed */ 327 int zmax; /* maximum pressure value for touchpads */ 328 int syncerrors; /* # of bytes discarded to synchronize */ 329 int pkterrors; /* # of packets failed during quaranteen. */ 330 struct timeval inputtimeout; 331 struct timeval lastsoftintr; /* time of last soft interrupt */ 332 struct timeval lastinputerr; /* time last sync error happened */ 333 struct timeval taptimeout; /* tap timeout for touchpads */ 334 int watchdog; /* watchdog timer flag */ 335 struct callout callout; /* watchdog timer call out */ 336 struct callout softcallout; /* buffer timer call out */ 337 struct cdev *dev; 338 struct cdev *bdev; 339 int lasterr; 340 int cmdcount; 341 struct sigio *async; /* Processes waiting for SIGIO */ 342 int extended_buttons; 343}; 344static devclass_t psm_devclass; 345 346/* driver state flags (state) */ 347#define PSM_VALID 0x80 348#define PSM_OPEN 1 /* Device is open */ 349#define PSM_ASLP 2 /* Waiting for mouse data */ 350#define PSM_SOFTARMED 4 /* Software interrupt armed */ 351#define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 352 353/* driver configuration flags (config) */ 354#define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 355#define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 356#define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 357#define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 358#define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 359#define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 360#define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 361#define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 362#define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 363 364#define PSM_CONFIG_FLAGS \ 365 (PSM_CONFIG_RESOLUTION | \ 366 PSM_CONFIG_ACCEL | \ 367 PSM_CONFIG_NOCHECKSYNC | \ 368 PSM_CONFIG_NOIDPROBE | \ 369 PSM_CONFIG_NORESET | \ 370 PSM_CONFIG_FORCETAP | \ 371 PSM_CONFIG_IGNPORTERROR | \ 372 PSM_CONFIG_HOOKRESUME | \ 373 PSM_CONFIG_INITAFTERSUSPEND) 374 375/* other flags (flags) */ 376#define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 377 378/* Tunables */ 379static int tap_enabled = -1; 380TUNABLE_INT("hw.psm.tap_enabled", &tap_enabled); 381 382static int synaptics_support = 0; 383TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 384 385static int trackpoint_support = 0; 386TUNABLE_INT("hw.psm.trackpoint_support", &trackpoint_support); 387 388static int verbose = PSM_DEBUG; 389TUNABLE_INT("debug.psm.loglevel", &verbose); 390 391/* for backward compatibility */ 392#define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 393#define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 394#define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 395 396typedef struct old_mousehw { 397 int buttons; 398 int iftype; 399 int type; 400 int hwid; 401} old_mousehw_t; 402 403typedef struct old_mousemode { 404 int protocol; 405 int rate; 406 int resolution; 407 int accelfactor; 408} old_mousemode_t; 409 410/* packet formatting function */ 411typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 412 mousestatus_t *); 413 414/* function prototypes */ 415static void psmidentify(driver_t *, device_t); 416static int psmprobe(device_t); 417static int psmattach(device_t); 418static int psmdetach(device_t); 419static int psmresume(device_t); 420 421static d_open_t psmopen; 422static d_close_t psmclose; 423static d_read_t psmread; 424static d_write_t psmwrite; 425static d_ioctl_t psmioctl; 426static d_poll_t psmpoll; 427 428static int enable_aux_dev(KBDC); 429static int disable_aux_dev(KBDC); 430static int get_mouse_status(KBDC, int *, int, int); 431static int get_aux_id(KBDC); 432static int set_mouse_sampling_rate(KBDC, int); 433static int set_mouse_scaling(KBDC, int); 434static int set_mouse_resolution(KBDC, int); 435static int set_mouse_mode(KBDC); 436static int get_mouse_buttons(KBDC); 437static int is_a_mouse(int); 438static void recover_from_error(KBDC); 439static int restore_controller(KBDC, int); 440static int doinitialize(struct psm_softc *, mousemode_t *); 441static int doopen(struct psm_softc *, int); 442static int reinitialize(struct psm_softc *, int); 443static char *model_name(int); 444static void psmsoftintr(void *); 445static void psmintr(void *); 446static void psmtimeout(void *); 447static int timeelapsed(const struct timeval *, int, int, 448 const struct timeval *); 449static void dropqueue(struct psm_softc *); 450static void flushpackets(struct psm_softc *); 451static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 452 mousestatus_t *, int *, int *, int *); 453static int proc_synaptics(struct psm_softc *, packetbuf_t *, 454 mousestatus_t *, int *, int *, int *); 455static void proc_versapad(struct psm_softc *, packetbuf_t *, 456 mousestatus_t *, int *, int *, int *); 457static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 458 u_char *); 459 460/* vendor specific features */ 461typedef int probefunc_t(KBDC, struct psm_softc *); 462 463static int mouse_id_proc1(KBDC, int, int, int *); 464static int mouse_ext_command(KBDC, int); 465 466static probefunc_t enable_groller; 467static probefunc_t enable_gmouse; 468static probefunc_t enable_aglide; 469static probefunc_t enable_kmouse; 470static probefunc_t enable_msexplorer; 471static probefunc_t enable_msintelli; 472static probefunc_t enable_4dmouse; 473static probefunc_t enable_4dplus; 474static probefunc_t enable_mmanplus; 475static probefunc_t enable_synaptics; 476static probefunc_t enable_trackpoint; 477static probefunc_t enable_versapad; 478 479static void set_trackpoint_parameters(struct psm_softc *sc); 480static void synaptics_passthrough_on(struct psm_softc *sc); 481static void synaptics_passthrough_off(struct psm_softc *sc); 482 483static struct { 484 int model; 485 u_char syncmask; 486 int packetsize; 487 probefunc_t *probefunc; 488} vendortype[] = { 489 /* 490 * WARNING: the order of probe is very important. Don't mess it 491 * unless you know what you are doing. 492 */ 493 { MOUSE_MODEL_NET, /* Genius NetMouse */ 494 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 495 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 496 0xc8, 6, enable_groller }, 497 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 498 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 499 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 500 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 501 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 502 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 503 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 504 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 505 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 506 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 507 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 508 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 509 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 510 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 511 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 512 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 513 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 514 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 515 { MOUSE_MODEL_TRACKPOINT, /* IBM/Lenovo TrackPoint */ 516 0xc0, MOUSE_PS2_PACKETSIZE, enable_trackpoint }, 517 { MOUSE_MODEL_GENERIC, 518 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 519}; 520#define GENERIC_MOUSE_ENTRY \ 521 ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 522 523/* device driver declarateion */ 524static device_method_t psm_methods[] = { 525 /* Device interface */ 526 DEVMETHOD(device_identify, psmidentify), 527 DEVMETHOD(device_probe, psmprobe), 528 DEVMETHOD(device_attach, psmattach), 529 DEVMETHOD(device_detach, psmdetach), 530 DEVMETHOD(device_resume, psmresume), 531 532 { 0, 0 } 533}; 534 535static driver_t psm_driver = { 536 PSM_DRIVER_NAME, 537 psm_methods, 538 sizeof(struct psm_softc), 539}; 540 541static struct cdevsw psm_cdevsw = { 542 .d_version = D_VERSION, 543 .d_flags = D_NEEDGIANT, 544 .d_open = psmopen, 545 .d_close = psmclose, 546 .d_read = psmread, 547 .d_write = psmwrite, 548 .d_ioctl = psmioctl, 549 .d_poll = psmpoll, 550 .d_name = PSM_DRIVER_NAME, 551}; 552 553/* device I/O routines */ 554static int 555enable_aux_dev(KBDC kbdc) 556{ 557 int res; 558 559 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 560 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 561 562 return (res == PSM_ACK); 563} 564 565static int 566disable_aux_dev(KBDC kbdc) 567{ 568 int res; 569 570 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 571 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 572 573 return (res == PSM_ACK); 574} 575 576static int 577get_mouse_status(KBDC kbdc, int *status, int flag, int len) 578{ 579 int cmd; 580 int res; 581 int i; 582 583 switch (flag) { 584 case 0: 585 default: 586 cmd = PSMC_SEND_DEV_STATUS; 587 break; 588 case 1: 589 cmd = PSMC_SEND_DEV_DATA; 590 break; 591 } 592 empty_aux_buffer(kbdc, 5); 593 res = send_aux_command(kbdc, cmd); 594 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 595 (flag == 1) ? "DATA" : "STATUS", res)); 596 if (res != PSM_ACK) 597 return (0); 598 599 for (i = 0; i < len; ++i) { 600 status[i] = read_aux_data(kbdc); 601 if (status[i] < 0) 602 break; 603 } 604 605 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 606 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 607 608 return (i); 609} 610 611static int 612get_aux_id(KBDC kbdc) 613{ 614 int res; 615 int id; 616 617 empty_aux_buffer(kbdc, 5); 618 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 619 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 620 if (res != PSM_ACK) 621 return (-1); 622 623 /* 10ms delay */ 624 DELAY(10000); 625 626 id = read_aux_data(kbdc); 627 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 628 629 return (id); 630} 631 632static int 633set_mouse_sampling_rate(KBDC kbdc, int rate) 634{ 635 int res; 636 637 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 638 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 639 640 return ((res == PSM_ACK) ? rate : -1); 641} 642 643static int 644set_mouse_scaling(KBDC kbdc, int scale) 645{ 646 int res; 647 648 switch (scale) { 649 case 1: 650 default: 651 scale = PSMC_SET_SCALING11; 652 break; 653 case 2: 654 scale = PSMC_SET_SCALING21; 655 break; 656 } 657 res = send_aux_command(kbdc, scale); 658 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 659 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 660 661 return (res == PSM_ACK); 662} 663 664/* `val' must be 0 through PSMD_MAX_RESOLUTION */ 665static int 666set_mouse_resolution(KBDC kbdc, int val) 667{ 668 int res; 669 670 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 671 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 672 673 return ((res == PSM_ACK) ? val : -1); 674} 675 676/* 677 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 678 * re-enabled by calling `enable_aux_dev()' 679 */ 680static int 681set_mouse_mode(KBDC kbdc) 682{ 683 int res; 684 685 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 686 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 687 688 return (res == PSM_ACK); 689} 690 691static int 692get_mouse_buttons(KBDC kbdc) 693{ 694 int c = 2; /* assume two buttons by default */ 695 int status[3]; 696 697 /* 698 * NOTE: a special sequence to obtain Logitech Mouse specific 699 * information: set resolution to 25 ppi, set scaling to 1:1, set 700 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 701 * mouse status bytes is the number of available buttons. 702 * Some manufactures also support this sequence. 703 */ 704 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 705 return (c); 706 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 707 set_mouse_scaling(kbdc, 1) && 708 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 709 return (status[1]); 710 return (c); 711} 712 713/* misc subroutines */ 714/* 715 * Someday, I will get the complete list of valid pointing devices and 716 * their IDs... XXX 717 */ 718static int 719is_a_mouse(int id) 720{ 721#if 0 722 static int valid_ids[] = { 723 PSM_MOUSE_ID, /* mouse */ 724 PSM_BALLPOINT_ID, /* ballpoint device */ 725 PSM_INTELLI_ID, /* Intellimouse */ 726 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 727 -1 /* end of table */ 728 }; 729 int i; 730 731 for (i = 0; valid_ids[i] >= 0; ++i) 732 if (valid_ids[i] == id) 733 return (TRUE); 734 return (FALSE); 735#else 736 return (TRUE); 737#endif 738} 739 740static char * 741model_name(int model) 742{ 743 static struct { 744 int model_code; 745 char *model_name; 746 } models[] = { 747 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 748 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 749 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 750 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 751 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 752 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 753 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 754 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 755 { MOUSE_MODEL_4D, "4D Mouse" }, 756 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 757 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 758 { MOUSE_MODEL_TRACKPOINT, "IBM/Lenovo TrackPoint" }, 759 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 760 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 761 }; 762 int i; 763 764 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 765 if (models[i].model_code == model) 766 break; 767 return (models[i].model_name); 768} 769 770static void 771recover_from_error(KBDC kbdc) 772{ 773 /* discard anything left in the output buffer */ 774 empty_both_buffers(kbdc, 10); 775 776#if 0 777 /* 778 * NOTE: KBDC_RESET_KBD may not restore the communication between the 779 * keyboard and the controller. 780 */ 781 reset_kbd(kbdc); 782#else 783 /* 784 * NOTE: somehow diagnostic and keyboard port test commands bring the 785 * keyboard back. 786 */ 787 if (!test_controller(kbdc)) 788 log(LOG_ERR, "psm: keyboard controller failed.\n"); 789 /* if there isn't a keyboard in the system, the following error is OK */ 790 if (test_kbd_port(kbdc) != 0) 791 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 792#endif 793} 794 795static int 796restore_controller(KBDC kbdc, int command_byte) 797{ 798 empty_both_buffers(kbdc, 10); 799 800 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 801 log(LOG_ERR, "psm: failed to restore the keyboard controller " 802 "command byte.\n"); 803 empty_both_buffers(kbdc, 10); 804 return (FALSE); 805 } else { 806 empty_both_buffers(kbdc, 10); 807 return (TRUE); 808 } 809} 810 811/* 812 * Re-initialize the aux port and device. The aux port must be enabled 813 * and its interrupt must be disabled before calling this routine. 814 * The aux device will be disabled before returning. 815 * The keyboard controller must be locked via `kbdc_lock()' before 816 * calling this routine. 817 */ 818static int 819doinitialize(struct psm_softc *sc, mousemode_t *mode) 820{ 821 KBDC kbdc = sc->kbdc; 822 int stat[3]; 823 int i; 824 825 switch((i = test_aux_port(kbdc))) { 826 case 1: /* ignore these errors */ 827 case 2: 828 case 3: 829 case PSM_ACK: 830 if (verbose) 831 log(LOG_DEBUG, 832 "psm%d: strange result for test aux port (%d).\n", 833 sc->unit, i); 834 /* FALLTHROUGH */ 835 case 0: /* no error */ 836 break; 837 case -1: /* time out */ 838 default: /* error */ 839 recover_from_error(kbdc); 840 if (sc->config & PSM_CONFIG_IGNPORTERROR) 841 break; 842 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 843 sc->unit, i); 844 return (FALSE); 845 } 846 847 if (sc->config & PSM_CONFIG_NORESET) { 848 /* 849 * Don't try to reset the pointing device. It may possibly 850 * be left in the unknown state, though... 851 */ 852 } else { 853 /* 854 * NOTE: some controllers appears to hang the `keyboard' when 855 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 856 */ 857 if (!reset_aux_dev(kbdc)) { 858 recover_from_error(kbdc); 859 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 860 sc->unit); 861 return (FALSE); 862 } 863 } 864 865 /* 866 * both the aux port and the aux device is functioning, see 867 * if the device can be enabled. 868 */ 869 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 870 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 871 sc->unit); 872 return (FALSE); 873 } 874 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 875 876 /* Re-enable the mouse. */ 877 for (i = 0; vendortype[i].probefunc != NULL; ++i) 878 if (vendortype[i].model == sc->hw.model) 879 (*vendortype[i].probefunc)(sc->kbdc, NULL); 880 881 /* set mouse parameters */ 882 if (mode != (mousemode_t *)NULL) { 883 if (mode->rate > 0) 884 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 885 if (mode->resolution >= 0) 886 mode->resolution = 887 set_mouse_resolution(kbdc, mode->resolution); 888 set_mouse_scaling(kbdc, 1); 889 set_mouse_mode(kbdc); 890 891 /* 892 * Trackpoint settings are lost on resume. 893 * Restore them here. 894 */ 895 if (sc->tphw > 0) 896 set_trackpoint_parameters(sc); 897 } 898 899 /* Record sync on the next data packet we see. */ 900 sc->flags |= PSM_NEED_SYNCBITS; 901 902 /* just check the status of the mouse */ 903 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 904 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 905 sc->unit); 906 907 return (TRUE); 908} 909 910static int 911doopen(struct psm_softc *sc, int command_byte) 912{ 913 int stat[3]; 914 915 /* 916 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 917 * no obvious reason. Thus we check the current mode and restore the 918 * Absolute Mode if it was cleared. 919 * 920 * The previous hack at the end of psmprobe() wasn't efficient when 921 * moused(8) was restarted. 922 * 923 * A Reset (FF) or Set Defaults (F6) command would clear the 924 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 925 * doesn't show any evidence of such a command. 926 */ 927 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 928 mouse_ext_command(sc->kbdc, 1); 929 get_mouse_status(sc->kbdc, stat, 0, 3); 930 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || 931 stat[1] == 0x47) && 932 stat[2] == 0x40) { 933 /* Set the mode byte -- request wmode where 934 * available */ 935 if (sc->synhw.capExtended) 936 mouse_ext_command(sc->kbdc, 0xc1); 937 else 938 mouse_ext_command(sc->kbdc, 0xc0); 939 set_mouse_sampling_rate(sc->kbdc, 20); 940 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 941 "hopefully restored\n", 942 sc->unit)); 943 } 944 } 945 946 /* 947 * A user may want to disable tap and drag gestures on a Synaptics 948 * TouchPad when it operates in Relative Mode. 949 */ 950 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 951 if (tap_enabled > 0) { 952 /* 953 * Enable tap & drag gestures. We use a Mode Byte 954 * and clear the DisGest bit (see ��2.5 of Synaptics 955 * TouchPad Interfacing Guide). 956 */ 957 VLOG(2, (LOG_DEBUG, 958 "psm%d: enable tap and drag gestures\n", 959 sc->unit)); 960 mouse_ext_command(sc->kbdc, 0x00); 961 set_mouse_sampling_rate(sc->kbdc, 20); 962 } else if (tap_enabled == 0) { 963 /* 964 * Disable tap & drag gestures. We use a Mode Byte 965 * and set the DisGest bit (see ��2.5 of Synaptics 966 * TouchPad Interfacing Guide). 967 */ 968 VLOG(2, (LOG_DEBUG, 969 "psm%d: disable tap and drag gestures\n", 970 sc->unit)); 971 mouse_ext_command(sc->kbdc, 0x04); 972 set_mouse_sampling_rate(sc->kbdc, 20); 973 } 974 } 975 976 /* enable the mouse device */ 977 if (!enable_aux_dev(sc->kbdc)) { 978 /* MOUSE ERROR: failed to enable the mouse because: 979 * 1) the mouse is faulty, 980 * 2) the mouse has been removed(!?) 981 * In the latter case, the keyboard may have hung, and need 982 * recovery procedure... 983 */ 984 recover_from_error(sc->kbdc); 985#if 0 986 /* FIXME: we could reset the mouse here and try to enable 987 * it again. But it will take long time and it's not a good 988 * idea to disable the keyboard that long... 989 */ 990 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 991 recover_from_error(sc->kbdc); 992#else 993 { 994#endif 995 restore_controller(sc->kbdc, command_byte); 996 /* mark this device is no longer available */ 997 sc->state &= ~PSM_VALID; 998 log(LOG_ERR, 999 "psm%d: failed to enable the device (doopen).\n", 1000 sc->unit); 1001 return (EIO); 1002 } 1003 } 1004 1005 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1006 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 1007 sc->unit); 1008 1009 /* enable the aux port and interrupt */ 1010 if (!set_controller_command_byte(sc->kbdc, 1011 kbdc_get_device_mask(sc->kbdc), 1012 (command_byte & KBD_KBD_CONTROL_BITS) | 1013 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 1014 /* CONTROLLER ERROR */ 1015 disable_aux_dev(sc->kbdc); 1016 restore_controller(sc->kbdc, command_byte); 1017 log(LOG_ERR, 1018 "psm%d: failed to enable the aux interrupt (doopen).\n", 1019 sc->unit); 1020 return (EIO); 1021 } 1022 1023 /* start the watchdog timer */ 1024 sc->watchdog = FALSE; 1025 callout_reset(&sc->callout, hz * 2, psmtimeout, sc); 1026 1027 return (0); 1028} 1029 1030static int 1031reinitialize(struct psm_softc *sc, int doinit) 1032{ 1033 int err; 1034 int c; 1035 int s; 1036 1037 /* don't let anybody mess with the aux device */ 1038 if (!kbdc_lock(sc->kbdc, TRUE)) 1039 return (EIO); 1040 s = spltty(); 1041 1042 /* block our watchdog timer */ 1043 sc->watchdog = FALSE; 1044 callout_stop(&sc->callout); 1045 1046 /* save the current controller command byte */ 1047 empty_both_buffers(sc->kbdc, 10); 1048 c = get_controller_command_byte(sc->kbdc); 1049 VLOG(2, (LOG_DEBUG, 1050 "psm%d: current command byte: %04x (reinitialize).\n", 1051 sc->unit, c)); 1052 1053 /* enable the aux port but disable the aux interrupt and the keyboard */ 1054 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1055 kbdc_get_device_mask(sc->kbdc), 1056 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1057 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1058 /* CONTROLLER ERROR */ 1059 splx(s); 1060 kbdc_lock(sc->kbdc, FALSE); 1061 log(LOG_ERR, 1062 "psm%d: unable to set the command byte (reinitialize).\n", 1063 sc->unit); 1064 return (EIO); 1065 } 1066 1067 /* flush any data */ 1068 if (sc->state & PSM_VALID) { 1069 /* this may fail; but never mind... */ 1070 disable_aux_dev(sc->kbdc); 1071 empty_aux_buffer(sc->kbdc, 10); 1072 } 1073 flushpackets(sc); 1074 sc->syncerrors = 0; 1075 sc->pkterrors = 0; 1076 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1077 1078 /* try to detect the aux device; are you still there? */ 1079 err = 0; 1080 if (doinit) { 1081 if (doinitialize(sc, &sc->mode)) { 1082 /* yes */ 1083 sc->state |= PSM_VALID; 1084 } else { 1085 /* the device has gone! */ 1086 restore_controller(sc->kbdc, c); 1087 sc->state &= ~PSM_VALID; 1088 log(LOG_ERR, 1089 "psm%d: the aux device has gone! (reinitialize).\n", 1090 sc->unit); 1091 err = ENXIO; 1092 } 1093 } 1094 splx(s); 1095 1096 /* restore the driver state */ 1097 if ((sc->state & PSM_OPEN) && (err == 0)) { 1098 /* enable the aux device and the port again */ 1099 err = doopen(sc, c); 1100 if (err != 0) 1101 log(LOG_ERR, "psm%d: failed to enable the device " 1102 "(reinitialize).\n", sc->unit); 1103 } else { 1104 /* restore the keyboard port and disable the aux port */ 1105 if (!set_controller_command_byte(sc->kbdc, 1106 kbdc_get_device_mask(sc->kbdc), 1107 (c & KBD_KBD_CONTROL_BITS) | 1108 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1109 /* CONTROLLER ERROR */ 1110 log(LOG_ERR, "psm%d: failed to disable the aux port " 1111 "(reinitialize).\n", sc->unit); 1112 err = EIO; 1113 } 1114 } 1115 1116 kbdc_lock(sc->kbdc, FALSE); 1117 return (err); 1118} 1119 1120/* psm driver entry points */ 1121 1122static void 1123psmidentify(driver_t *driver, device_t parent) 1124{ 1125 device_t psmc; 1126 device_t psm; 1127 u_long irq; 1128 int unit; 1129 1130 unit = device_get_unit(parent); 1131 1132 /* always add at least one child */ 1133 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1134 if (psm == NULL) 1135 return; 1136 1137 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1138 if (irq > 0) 1139 return; 1140 1141 /* 1142 * If the PS/2 mouse device has already been reported by ACPI or 1143 * PnP BIOS, obtain the IRQ resource from it. 1144 * (See psmcpnp_attach() below.) 1145 */ 1146 psmc = device_find_child(device_get_parent(parent), 1147 PSMCPNP_DRIVER_NAME, unit); 1148 if (psmc == NULL) 1149 return; 1150 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1151 if (irq <= 0) 1152 return; 1153 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1154 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1155} 1156 1157#define endprobe(v) do { \ 1158 if (bootverbose) \ 1159 --verbose; \ 1160 kbdc_set_device_mask(sc->kbdc, mask); \ 1161 kbdc_lock(sc->kbdc, FALSE); \ 1162 return (v); \ 1163} while (0) 1164 1165static int 1166psmprobe(device_t dev) 1167{ 1168 int unit = device_get_unit(dev); 1169 struct psm_softc *sc = device_get_softc(dev); 1170 int stat[3]; 1171 int command_byte; 1172 int mask; 1173 int rid; 1174 int i; 1175 1176#if 0 1177 kbdc_debug(TRUE); 1178#endif 1179 1180 /* see if IRQ is available */ 1181 rid = KBDC_RID_AUX; 1182 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1183 if (sc->intr == NULL) { 1184 if (bootverbose) 1185 device_printf(dev, "unable to allocate IRQ\n"); 1186 return (ENXIO); 1187 } 1188 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1189 1190 sc->unit = unit; 1191 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1192 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1193 /* XXX: for backward compatibility */ 1194#if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1195 sc->config |= 1196#ifdef PSM_RESETAFTERSUSPEND 1197 PSM_CONFIG_INITAFTERSUSPEND; 1198#else 1199 PSM_CONFIG_HOOKRESUME; 1200#endif 1201#endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1202 sc->flags = 0; 1203 if (bootverbose) 1204 ++verbose; 1205 1206 device_set_desc(dev, "PS/2 Mouse"); 1207 1208 if (!kbdc_lock(sc->kbdc, TRUE)) { 1209 printf("psm%d: unable to lock the controller.\n", unit); 1210 if (bootverbose) 1211 --verbose; 1212 return (ENXIO); 1213 } 1214 1215 /* 1216 * NOTE: two bits in the command byte controls the operation of the 1217 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1218 * port interrupt (IRQ 12) enable bit (bit 2). 1219 */ 1220 1221 /* discard anything left after the keyboard initialization */ 1222 empty_both_buffers(sc->kbdc, 10); 1223 1224 /* save the current command byte; it will be used later */ 1225 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1226 command_byte = get_controller_command_byte(sc->kbdc); 1227 if (verbose) 1228 printf("psm%d: current command byte:%04x\n", unit, 1229 command_byte); 1230 if (command_byte == -1) { 1231 /* CONTROLLER ERROR */ 1232 printf("psm%d: unable to get the current command byte value.\n", 1233 unit); 1234 endprobe(ENXIO); 1235 } 1236 1237 /* 1238 * disable the keyboard port while probing the aux port, which must be 1239 * enabled during this routine 1240 */ 1241 if (!set_controller_command_byte(sc->kbdc, 1242 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1243 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1244 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1245 /* 1246 * this is CONTROLLER ERROR; I don't know how to recover 1247 * from this error... 1248 */ 1249 restore_controller(sc->kbdc, command_byte); 1250 printf("psm%d: unable to set the command byte.\n", unit); 1251 endprobe(ENXIO); 1252 } 1253 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1254 1255 /* 1256 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1257 * port exists and is functioning. However, some controllers appears 1258 * to respond with zero even when the aux port doesn't exist. (It may 1259 * be that this is only the case when the controller DOES have the aux 1260 * port but the port is not wired on the motherboard.) The keyboard 1261 * controllers without the port, such as the original AT, are 1262 * supposed to return with an error code or simply time out. In any 1263 * case, we have to continue probing the port even when the controller 1264 * passes this test. 1265 * 1266 * XXX: some controllers erroneously return the error code 1, 2 or 3 1267 * when it has a perfectly functional aux port. We have to ignore 1268 * this error code. Even if the controller HAS error with the aux 1269 * port, it will be detected later... 1270 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1271 */ 1272 switch ((i = test_aux_port(sc->kbdc))) { 1273 case 1: /* ignore these errors */ 1274 case 2: 1275 case 3: 1276 case PSM_ACK: 1277 if (verbose) 1278 printf("psm%d: strange result for test aux port " 1279 "(%d).\n", unit, i); 1280 /* FALLTHROUGH */ 1281 case 0: /* no error */ 1282 break; 1283 case -1: /* time out */ 1284 default: /* error */ 1285 recover_from_error(sc->kbdc); 1286 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1287 break; 1288 restore_controller(sc->kbdc, command_byte); 1289 if (verbose) 1290 printf("psm%d: the aux port is not functioning (%d).\n", 1291 unit, i); 1292 endprobe(ENXIO); 1293 } 1294 1295 if (sc->config & PSM_CONFIG_NORESET) { 1296 /* 1297 * Don't try to reset the pointing device. It may possibly be 1298 * left in an unknown state, though... 1299 */ 1300 } else { 1301 /* 1302 * NOTE: some controllers appears to hang the `keyboard' when 1303 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1304 * 1305 * Attempt to reset the controller twice -- this helps 1306 * pierce through some KVM switches. The second reset 1307 * is non-fatal. 1308 */ 1309 if (!reset_aux_dev(sc->kbdc)) { 1310 recover_from_error(sc->kbdc); 1311 restore_controller(sc->kbdc, command_byte); 1312 if (verbose) 1313 printf("psm%d: failed to reset the aux " 1314 "device.\n", unit); 1315 endprobe(ENXIO); 1316 } else if (!reset_aux_dev(sc->kbdc)) { 1317 recover_from_error(sc->kbdc); 1318 if (verbose >= 2) 1319 printf("psm%d: failed to reset the aux device " 1320 "(2).\n", unit); 1321 } 1322 } 1323 1324 /* 1325 * both the aux port and the aux device are functioning, see if the 1326 * device can be enabled. NOTE: when enabled, the device will start 1327 * sending data; we shall immediately disable the device once we know 1328 * the device can be enabled. 1329 */ 1330 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1331 /* MOUSE ERROR */ 1332 recover_from_error(sc->kbdc); 1333 restore_controller(sc->kbdc, command_byte); 1334 if (verbose) 1335 printf("psm%d: failed to enable the aux device.\n", 1336 unit); 1337 endprobe(ENXIO); 1338 } 1339 1340 /* save the default values after reset */ 1341 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1342 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1343 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1344 } else { 1345 sc->dflt_mode.rate = sc->mode.rate = -1; 1346 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1347 } 1348 1349 /* hardware information */ 1350 sc->hw.iftype = MOUSE_IF_PS2; 1351 1352 /* verify the device is a mouse */ 1353 sc->hw.hwid = get_aux_id(sc->kbdc); 1354 if (!is_a_mouse(sc->hw.hwid)) { 1355 restore_controller(sc->kbdc, command_byte); 1356 if (verbose) 1357 printf("psm%d: unknown device type (%d).\n", unit, 1358 sc->hw.hwid); 1359 endprobe(ENXIO); 1360 } 1361 switch (sc->hw.hwid) { 1362 case PSM_BALLPOINT_ID: 1363 sc->hw.type = MOUSE_TRACKBALL; 1364 break; 1365 case PSM_MOUSE_ID: 1366 case PSM_INTELLI_ID: 1367 case PSM_EXPLORER_ID: 1368 case PSM_4DMOUSE_ID: 1369 case PSM_4DPLUS_ID: 1370 sc->hw.type = MOUSE_MOUSE; 1371 break; 1372 default: 1373 sc->hw.type = MOUSE_UNKNOWN; 1374 break; 1375 } 1376 1377 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1378 sc->hw.buttons = 2; 1379 i = GENERIC_MOUSE_ENTRY; 1380 } else { 1381 /* # of buttons */ 1382 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1383 1384 /* other parameters */ 1385 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1386 if ((*vendortype[i].probefunc)(sc->kbdc, sc)) { 1387 if (verbose >= 2) 1388 printf("psm%d: found %s\n", unit, 1389 model_name(vendortype[i].model)); 1390 break; 1391 } 1392 } 1393 1394 sc->hw.model = vendortype[i].model; 1395 1396 sc->dflt_mode.level = PSM_LEVEL_BASE; 1397 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1398 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1399 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1400 sc->dflt_mode.syncmask[0] = 0; 1401 else 1402 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1403 if (sc->config & PSM_CONFIG_FORCETAP) 1404 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1405 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1406 sc->mode = sc->dflt_mode; 1407 sc->mode.packetsize = vendortype[i].packetsize; 1408 1409 /* set mouse parameters */ 1410#if 0 1411 /* 1412 * A version of Logitech FirstMouse+ won't report wheel movement, 1413 * if SET_DEFAULTS is sent... Don't use this command. 1414 * This fix was found by Takashi Nishida. 1415 */ 1416 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1417 if (verbose >= 2) 1418 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1419#endif 1420 if (sc->config & PSM_CONFIG_RESOLUTION) 1421 sc->mode.resolution = 1422 set_mouse_resolution(sc->kbdc, 1423 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1424 else if (sc->mode.resolution >= 0) 1425 sc->mode.resolution = 1426 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1427 if (sc->mode.rate > 0) 1428 sc->mode.rate = 1429 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1430 set_mouse_scaling(sc->kbdc, 1); 1431 1432 /* Record sync on the next data packet we see. */ 1433 sc->flags |= PSM_NEED_SYNCBITS; 1434 1435 /* just check the status of the mouse */ 1436 /* 1437 * NOTE: XXX there are some arcane controller/mouse combinations out 1438 * there, which hung the controller unless there is data transmission 1439 * after ACK from the mouse. 1440 */ 1441 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1442 printf("psm%d: failed to get status.\n", unit); 1443 else { 1444 /* 1445 * When in its native mode, some mice operate with different 1446 * default parameters than in the PS/2 compatible mode. 1447 */ 1448 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1449 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1450 } 1451 1452 /* disable the aux port for now... */ 1453 if (!set_controller_command_byte(sc->kbdc, 1454 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1455 (command_byte & KBD_KBD_CONTROL_BITS) | 1456 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1457 /* 1458 * this is CONTROLLER ERROR; I don't know the proper way to 1459 * recover from this error... 1460 */ 1461 restore_controller(sc->kbdc, command_byte); 1462 printf("psm%d: unable to set the command byte.\n", unit); 1463 endprobe(ENXIO); 1464 } 1465 1466 /* done */ 1467 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1468 kbdc_lock(sc->kbdc, FALSE); 1469 return (0); 1470} 1471 1472static int 1473psmattach(device_t dev) 1474{ 1475 int unit = device_get_unit(dev); 1476 struct psm_softc *sc = device_get_softc(dev); 1477 int error; 1478 int rid; 1479 1480 /* Setup initial state */ 1481 sc->state = PSM_VALID; 1482 callout_init(&sc->callout, 0); 1483 callout_init(&sc->softcallout, 0); 1484 1485 /* Setup our interrupt handler */ 1486 rid = KBDC_RID_AUX; 1487 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1488 if (sc->intr == NULL) 1489 return (ENXIO); 1490 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1491 &sc->ih); 1492 if (error) { 1493 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1494 return (error); 1495 } 1496 1497 /* Done */ 1498 sc->dev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "psm%d", unit); 1499 sc->dev->si_drv1 = sc; 1500 sc->bdev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "bpsm%d", unit); 1501 sc->bdev->si_drv1 = sc; 1502 1503 /* Some touchpad devices need full reinitialization after suspend. */ 1504 switch (sc->hw.model) { 1505 case MOUSE_MODEL_SYNAPTICS: 1506 case MOUSE_MODEL_GLIDEPOINT: 1507 case MOUSE_MODEL_VERSAPAD: 1508 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1509 break; 1510 default: 1511 if (sc->synhw.infoMajor >= 4 || sc->tphw > 0) 1512 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1513 break; 1514 } 1515 1516 if (!verbose) 1517 printf("psm%d: model %s, device ID %d\n", 1518 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1519 else { 1520 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1521 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1522 sc->hw.hwid >> 8, sc->hw.buttons); 1523 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1524 unit, sc->config, sc->flags, sc->mode.packetsize); 1525 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1526 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1527 } 1528 1529 if (bootverbose) 1530 --verbose; 1531 1532 return (0); 1533} 1534 1535static int 1536psmdetach(device_t dev) 1537{ 1538 struct psm_softc *sc; 1539 int rid; 1540 1541 sc = device_get_softc(dev); 1542 if (sc->state & PSM_OPEN) 1543 return (EBUSY); 1544 1545 rid = KBDC_RID_AUX; 1546 bus_teardown_intr(dev, sc->intr, sc->ih); 1547 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1548 1549 destroy_dev(sc->dev); 1550 destroy_dev(sc->bdev); 1551 1552 callout_drain(&sc->callout); 1553 callout_drain(&sc->softcallout); 1554 1555 return (0); 1556} 1557 1558static int 1559psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1560{ 1561 struct psm_softc *sc; 1562 int command_byte; 1563 int err; 1564 int s; 1565 1566 /* Get device data */ 1567 sc = dev->si_drv1; 1568 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1569 /* the device is no longer valid/functioning */ 1570 return (ENXIO); 1571 } 1572 1573 /* Disallow multiple opens */ 1574 if (sc->state & PSM_OPEN) 1575 return (EBUSY); 1576 1577 device_busy(devclass_get_device(psm_devclass, sc->unit)); 1578 1579 /* Initialize state */ 1580 sc->mode.level = sc->dflt_mode.level; 1581 sc->mode.protocol = sc->dflt_mode.protocol; 1582 sc->watchdog = FALSE; 1583 sc->async = NULL; 1584 1585 /* flush the event queue */ 1586 sc->queue.count = 0; 1587 sc->queue.head = 0; 1588 sc->queue.tail = 0; 1589 sc->status.flags = 0; 1590 sc->status.button = 0; 1591 sc->status.obutton = 0; 1592 sc->status.dx = 0; 1593 sc->status.dy = 0; 1594 sc->status.dz = 0; 1595 sc->button = 0; 1596 sc->pqueue_start = 0; 1597 sc->pqueue_end = 0; 1598 1599 /* empty input buffer */ 1600 flushpackets(sc); 1601 sc->syncerrors = 0; 1602 sc->pkterrors = 0; 1603 1604 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1605 if (!kbdc_lock(sc->kbdc, TRUE)) 1606 return (EIO); 1607 1608 /* save the current controller command byte */ 1609 s = spltty(); 1610 command_byte = get_controller_command_byte(sc->kbdc); 1611 1612 /* enable the aux port and temporalily disable the keyboard */ 1613 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1614 kbdc_get_device_mask(sc->kbdc), 1615 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1616 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1617 /* CONTROLLER ERROR; do you know how to get out of this? */ 1618 kbdc_lock(sc->kbdc, FALSE); 1619 splx(s); 1620 log(LOG_ERR, 1621 "psm%d: unable to set the command byte (psmopen).\n", 1622 sc->unit); 1623 return (EIO); 1624 } 1625 /* 1626 * Now that the keyboard controller is told not to generate 1627 * the keyboard and mouse interrupts, call `splx()' to allow 1628 * the other tty interrupts. The clock interrupt may also occur, 1629 * but timeout routines will be blocked by the poll flag set 1630 * via `kbdc_lock()' 1631 */ 1632 splx(s); 1633 1634 /* enable the mouse device */ 1635 err = doopen(sc, command_byte); 1636 1637 /* done */ 1638 if (err == 0) 1639 sc->state |= PSM_OPEN; 1640 kbdc_lock(sc->kbdc, FALSE); 1641 return (err); 1642} 1643 1644static int 1645psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1646{ 1647 struct psm_softc *sc = dev->si_drv1; 1648 int stat[3]; 1649 int command_byte; 1650 int s; 1651 1652 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1653 if (!kbdc_lock(sc->kbdc, TRUE)) 1654 return (EIO); 1655 1656 /* save the current controller command byte */ 1657 s = spltty(); 1658 command_byte = get_controller_command_byte(sc->kbdc); 1659 if (command_byte == -1) { 1660 kbdc_lock(sc->kbdc, FALSE); 1661 splx(s); 1662 return (EIO); 1663 } 1664 1665 /* disable the aux interrupt and temporalily disable the keyboard */ 1666 if (!set_controller_command_byte(sc->kbdc, 1667 kbdc_get_device_mask(sc->kbdc), 1668 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1669 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1670 log(LOG_ERR, 1671 "psm%d: failed to disable the aux int (psmclose).\n", 1672 sc->unit); 1673 /* CONTROLLER ERROR; 1674 * NOTE: we shall force our way through. Because the only 1675 * ill effect we shall see is that we may not be able 1676 * to read ACK from the mouse, and it doesn't matter much 1677 * so long as the mouse will accept the DISABLE command. 1678 */ 1679 } 1680 splx(s); 1681 1682 /* stop the watchdog timer */ 1683 callout_stop(&sc->callout); 1684 1685 /* remove anything left in the output buffer */ 1686 empty_aux_buffer(sc->kbdc, 10); 1687 1688 /* disable the aux device, port and interrupt */ 1689 if (sc->state & PSM_VALID) { 1690 if (!disable_aux_dev(sc->kbdc)) { 1691 /* MOUSE ERROR; 1692 * NOTE: we don't return (error) and continue, 1693 * pretending we have successfully disabled the device. 1694 * It's OK because the interrupt routine will discard 1695 * any data from the mouse hereafter. 1696 */ 1697 log(LOG_ERR, 1698 "psm%d: failed to disable the device (psmclose).\n", 1699 sc->unit); 1700 } 1701 1702 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1703 log(LOG_DEBUG, 1704 "psm%d: failed to get status (psmclose).\n", 1705 sc->unit); 1706 } 1707 1708 if (!set_controller_command_byte(sc->kbdc, 1709 kbdc_get_device_mask(sc->kbdc), 1710 (command_byte & KBD_KBD_CONTROL_BITS) | 1711 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1712 /* 1713 * CONTROLLER ERROR; 1714 * we shall ignore this error; see the above comment. 1715 */ 1716 log(LOG_ERR, 1717 "psm%d: failed to disable the aux port (psmclose).\n", 1718 sc->unit); 1719 } 1720 1721 /* remove anything left in the output buffer */ 1722 empty_aux_buffer(sc->kbdc, 10); 1723 1724 /* clean up and sigio requests */ 1725 if (sc->async != NULL) { 1726 funsetown(&sc->async); 1727 sc->async = NULL; 1728 } 1729 1730 /* close is almost always successful */ 1731 sc->state &= ~PSM_OPEN; 1732 kbdc_lock(sc->kbdc, FALSE); 1733 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 1734 return (0); 1735} 1736 1737static int 1738tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1739 u_char *buf) 1740{ 1741 static u_char butmapps2[8] = { 1742 0, 1743 MOUSE_PS2_BUTTON1DOWN, 1744 MOUSE_PS2_BUTTON2DOWN, 1745 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1746 MOUSE_PS2_BUTTON3DOWN, 1747 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1748 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1749 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1750 MOUSE_PS2_BUTTON3DOWN, 1751 }; 1752 static u_char butmapmsc[8] = { 1753 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1754 MOUSE_MSC_BUTTON3UP, 1755 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1756 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1757 MOUSE_MSC_BUTTON3UP, 1758 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1759 MOUSE_MSC_BUTTON2UP, 1760 MOUSE_MSC_BUTTON1UP, 1761 0, 1762 }; 1763 int mapped; 1764 int i; 1765 1766 if (sc->mode.level == PSM_LEVEL_BASE) { 1767 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1768 if (status->button & MOUSE_BUTTON4DOWN) 1769 mapped |= MOUSE_BUTTON1DOWN; 1770 status->button = mapped; 1771 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1772 i = imax(imin(status->dx, 255), -256); 1773 if (i < 0) 1774 buf[0] |= MOUSE_PS2_XNEG; 1775 buf[1] = i; 1776 i = imax(imin(status->dy, 255), -256); 1777 if (i < 0) 1778 buf[0] |= MOUSE_PS2_YNEG; 1779 buf[2] = i; 1780 return (MOUSE_PS2_PACKETSIZE); 1781 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1782 buf[0] = MOUSE_MSC_SYNC | 1783 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1784 i = imax(imin(status->dx, 255), -256); 1785 buf[1] = i >> 1; 1786 buf[3] = i - buf[1]; 1787 i = imax(imin(status->dy, 255), -256); 1788 buf[2] = i >> 1; 1789 buf[4] = i - buf[2]; 1790 i = imax(imin(status->dz, 127), -128); 1791 buf[5] = (i >> 1) & 0x7f; 1792 buf[6] = (i - (i >> 1)) & 0x7f; 1793 buf[7] = (~status->button >> 3) & 0x7f; 1794 return (MOUSE_SYS_PACKETSIZE); 1795 } 1796 return (pb->inputbytes); 1797} 1798 1799static int 1800psmread(struct cdev *dev, struct uio *uio, int flag) 1801{ 1802 struct psm_softc *sc = dev->si_drv1; 1803 u_char buf[PSM_SMALLBUFSIZE]; 1804 int error = 0; 1805 int s; 1806 int l; 1807 1808 if ((sc->state & PSM_VALID) == 0) 1809 return (EIO); 1810 1811 /* block until mouse activity occured */ 1812 s = spltty(); 1813 while (sc->queue.count <= 0) { 1814 if (dev != sc->bdev) { 1815 splx(s); 1816 return (EWOULDBLOCK); 1817 } 1818 sc->state |= PSM_ASLP; 1819 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 1820 sc->state &= ~PSM_ASLP; 1821 if (error) { 1822 splx(s); 1823 return (error); 1824 } else if ((sc->state & PSM_VALID) == 0) { 1825 /* the device disappeared! */ 1826 splx(s); 1827 return (EIO); 1828 } 1829 } 1830 splx(s); 1831 1832 /* copy data to the user land */ 1833 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1834 s = spltty(); 1835 l = imin(sc->queue.count, uio->uio_resid); 1836 if (l > sizeof(buf)) 1837 l = sizeof(buf); 1838 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1839 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1840 sizeof(sc->queue.buf) - sc->queue.head); 1841 bcopy(&sc->queue.buf[0], 1842 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1843 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1844 } else 1845 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1846 sc->queue.count -= l; 1847 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1848 splx(s); 1849 error = uiomove(buf, l, uio); 1850 if (error) 1851 break; 1852 } 1853 1854 return (error); 1855} 1856 1857static int 1858block_mouse_data(struct psm_softc *sc, int *c) 1859{ 1860 int s; 1861 1862 if (!kbdc_lock(sc->kbdc, TRUE)) 1863 return (EIO); 1864 1865 s = spltty(); 1866 *c = get_controller_command_byte(sc->kbdc); 1867 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1868 kbdc_get_device_mask(sc->kbdc), 1869 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1870 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1871 /* this is CONTROLLER ERROR */ 1872 splx(s); 1873 kbdc_lock(sc->kbdc, FALSE); 1874 return (EIO); 1875 } 1876 1877 /* 1878 * The device may be in the middle of status data transmission. 1879 * The transmission will be interrupted, thus, incomplete status 1880 * data must be discarded. Although the aux interrupt is disabled 1881 * at the keyboard controller level, at most one aux interrupt 1882 * may have already been pending and a data byte is in the 1883 * output buffer; throw it away. Note that the second argument 1884 * to `empty_aux_buffer()' is zero, so that the call will just 1885 * flush the internal queue. 1886 * `psmintr()' will be invoked after `splx()' if an interrupt is 1887 * pending; it will see no data and returns immediately. 1888 */ 1889 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1890 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1891 flushpackets(sc); 1892 splx(s); 1893 1894 return (0); 1895} 1896 1897static void 1898dropqueue(struct psm_softc *sc) 1899{ 1900 1901 sc->queue.count = 0; 1902 sc->queue.head = 0; 1903 sc->queue.tail = 0; 1904 if ((sc->state & PSM_SOFTARMED) != 0) { 1905 sc->state &= ~PSM_SOFTARMED; 1906 callout_stop(&sc->softcallout); 1907 } 1908 sc->pqueue_start = sc->pqueue_end; 1909} 1910 1911static void 1912flushpackets(struct psm_softc *sc) 1913{ 1914 1915 dropqueue(sc); 1916 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1917} 1918 1919static int 1920unblock_mouse_data(struct psm_softc *sc, int c) 1921{ 1922 int error = 0; 1923 1924 /* 1925 * We may have seen a part of status data during `set_mouse_XXX()'. 1926 * they have been queued; flush it. 1927 */ 1928 empty_aux_buffer(sc->kbdc, 0); 1929 1930 /* restore ports and interrupt */ 1931 if (!set_controller_command_byte(sc->kbdc, 1932 kbdc_get_device_mask(sc->kbdc), 1933 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1934 /* 1935 * CONTROLLER ERROR; this is serious, we may have 1936 * been left with the inaccessible keyboard and 1937 * the disabled mouse interrupt. 1938 */ 1939 error = EIO; 1940 } 1941 1942 kbdc_lock(sc->kbdc, FALSE); 1943 return (error); 1944} 1945 1946static int 1947psmwrite(struct cdev *dev, struct uio *uio, int flag) 1948{ 1949 struct psm_softc *sc = dev->si_drv1; 1950 u_char buf[PSM_SMALLBUFSIZE]; 1951 int error = 0, i, l; 1952 1953 if ((sc->state & PSM_VALID) == 0) 1954 return (EIO); 1955 1956 if (sc->mode.level < PSM_LEVEL_NATIVE) 1957 return (ENODEV); 1958 1959 /* copy data from the user land */ 1960 while (uio->uio_resid > 0) { 1961 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1962 error = uiomove(buf, l, uio); 1963 if (error) 1964 break; 1965 for (i = 0; i < l; i++) { 1966 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1967 if (!write_aux_command(sc->kbdc, buf[i])) { 1968 VLOG(2, (LOG_DEBUG, 1969 "psm: cmd 0x%x failed.\n", buf[i])); 1970 return (reinitialize(sc, FALSE)); 1971 } 1972 } 1973 } 1974 1975 return (error); 1976} 1977 1978static int 1979psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 1980 struct thread *td) 1981{ 1982 struct psm_softc *sc = dev->si_drv1; 1983 mousemode_t mode; 1984 mousestatus_t status; 1985#if (defined(MOUSE_GETVARS)) 1986 mousevar_t *var; 1987#endif 1988 mousedata_t *data; 1989 int stat[3]; 1990 int command_byte; 1991 int error = 0; 1992 int s; 1993 1994 /* Perform IOCTL command */ 1995 switch (cmd) { 1996 1997 case OLD_MOUSE_GETHWINFO: 1998 s = spltty(); 1999 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 2000 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 2001 ((old_mousehw_t *)addr)->type = sc->hw.type; 2002 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 2003 splx(s); 2004 break; 2005 2006 case MOUSE_GETHWINFO: 2007 s = spltty(); 2008 *(mousehw_t *)addr = sc->hw; 2009 if (sc->mode.level == PSM_LEVEL_BASE) 2010 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 2011 splx(s); 2012 break; 2013 2014 case MOUSE_SYN_GETHWINFO: 2015 s = spltty(); 2016 if (sc->synhw.infoMajor >= 4) 2017 *(synapticshw_t *)addr = sc->synhw; 2018 else 2019 error = EINVAL; 2020 splx(s); 2021 break; 2022 2023 case OLD_MOUSE_GETMODE: 2024 s = spltty(); 2025 switch (sc->mode.level) { 2026 case PSM_LEVEL_BASE: 2027 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2028 break; 2029 case PSM_LEVEL_STANDARD: 2030 ((old_mousemode_t *)addr)->protocol = 2031 MOUSE_PROTO_SYSMOUSE; 2032 break; 2033 case PSM_LEVEL_NATIVE: 2034 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2035 break; 2036 } 2037 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 2038 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 2039 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 2040 splx(s); 2041 break; 2042 2043 case MOUSE_GETMODE: 2044 s = spltty(); 2045 *(mousemode_t *)addr = sc->mode; 2046 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2047 ((mousemode_t *)addr)->syncmask[0] = 0; 2048 ((mousemode_t *)addr)->syncmask[1] = 0; 2049 } 2050 ((mousemode_t *)addr)->resolution = 2051 MOUSE_RES_LOW - sc->mode.resolution; 2052 switch (sc->mode.level) { 2053 case PSM_LEVEL_BASE: 2054 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2055 ((mousemode_t *)addr)->packetsize = 2056 MOUSE_PS2_PACKETSIZE; 2057 break; 2058 case PSM_LEVEL_STANDARD: 2059 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 2060 ((mousemode_t *)addr)->packetsize = 2061 MOUSE_SYS_PACKETSIZE; 2062 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2063 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2064 break; 2065 case PSM_LEVEL_NATIVE: 2066 /* FIXME: this isn't quite correct... XXX */ 2067 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2068 break; 2069 } 2070 splx(s); 2071 break; 2072 2073 case OLD_MOUSE_SETMODE: 2074 case MOUSE_SETMODE: 2075 if (cmd == OLD_MOUSE_SETMODE) { 2076 mode.rate = ((old_mousemode_t *)addr)->rate; 2077 /* 2078 * resolution old I/F new I/F 2079 * default 0 0 2080 * low 1 -2 2081 * medium low 2 -3 2082 * medium high 3 -4 2083 * high 4 -5 2084 */ 2085 if (((old_mousemode_t *)addr)->resolution > 0) 2086 mode.resolution = 2087 -((old_mousemode_t *)addr)->resolution - 1; 2088 else 2089 mode.resolution = 0; 2090 mode.accelfactor = 2091 ((old_mousemode_t *)addr)->accelfactor; 2092 mode.level = -1; 2093 } else 2094 mode = *(mousemode_t *)addr; 2095 2096 /* adjust and validate parameters. */ 2097 if (mode.rate > UCHAR_MAX) 2098 return (EINVAL); 2099 if (mode.rate == 0) 2100 mode.rate = sc->dflt_mode.rate; 2101 else if (mode.rate == -1) 2102 /* don't change the current setting */ 2103 ; 2104 else if (mode.rate < 0) 2105 return (EINVAL); 2106 if (mode.resolution >= UCHAR_MAX) 2107 return (EINVAL); 2108 if (mode.resolution >= 200) 2109 mode.resolution = MOUSE_RES_HIGH; 2110 else if (mode.resolution >= 100) 2111 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2112 else if (mode.resolution >= 50) 2113 mode.resolution = MOUSE_RES_MEDIUMLOW; 2114 else if (mode.resolution > 0) 2115 mode.resolution = MOUSE_RES_LOW; 2116 if (mode.resolution == MOUSE_RES_DEFAULT) 2117 mode.resolution = sc->dflt_mode.resolution; 2118 else if (mode.resolution == -1) 2119 /* don't change the current setting */ 2120 ; 2121 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2122 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2123 if (mode.level == -1) 2124 /* don't change the current setting */ 2125 mode.level = sc->mode.level; 2126 else if ((mode.level < PSM_LEVEL_MIN) || 2127 (mode.level > PSM_LEVEL_MAX)) 2128 return (EINVAL); 2129 if (mode.accelfactor == -1) 2130 /* don't change the current setting */ 2131 mode.accelfactor = sc->mode.accelfactor; 2132 else if (mode.accelfactor < 0) 2133 return (EINVAL); 2134 2135 /* don't allow anybody to poll the keyboard controller */ 2136 error = block_mouse_data(sc, &command_byte); 2137 if (error) 2138 return (error); 2139 2140 /* set mouse parameters */ 2141 if (mode.rate > 0) 2142 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2143 mode.rate); 2144 if (mode.resolution >= 0) 2145 mode.resolution = 2146 set_mouse_resolution(sc->kbdc, mode.resolution); 2147 set_mouse_scaling(sc->kbdc, 1); 2148 get_mouse_status(sc->kbdc, stat, 0, 3); 2149 2150 s = spltty(); 2151 sc->mode.rate = mode.rate; 2152 sc->mode.resolution = mode.resolution; 2153 sc->mode.accelfactor = mode.accelfactor; 2154 sc->mode.level = mode.level; 2155 splx(s); 2156 2157 unblock_mouse_data(sc, command_byte); 2158 break; 2159 2160 case MOUSE_GETLEVEL: 2161 *(int *)addr = sc->mode.level; 2162 break; 2163 2164 case MOUSE_SETLEVEL: 2165 if ((*(int *)addr < PSM_LEVEL_MIN) || 2166 (*(int *)addr > PSM_LEVEL_MAX)) 2167 return (EINVAL); 2168 sc->mode.level = *(int *)addr; 2169 break; 2170 2171 case MOUSE_GETSTATUS: 2172 s = spltty(); 2173 status = sc->status; 2174 sc->status.flags = 0; 2175 sc->status.obutton = sc->status.button; 2176 sc->status.button = 0; 2177 sc->status.dx = 0; 2178 sc->status.dy = 0; 2179 sc->status.dz = 0; 2180 splx(s); 2181 *(mousestatus_t *)addr = status; 2182 break; 2183 2184#if (defined(MOUSE_GETVARS)) 2185 case MOUSE_GETVARS: 2186 var = (mousevar_t *)addr; 2187 bzero(var, sizeof(*var)); 2188 s = spltty(); 2189 var->var[0] = MOUSE_VARS_PS2_SIG; 2190 var->var[1] = sc->config; 2191 var->var[2] = sc->flags; 2192 splx(s); 2193 break; 2194 2195 case MOUSE_SETVARS: 2196 return (ENODEV); 2197#endif /* MOUSE_GETVARS */ 2198 2199 case MOUSE_READSTATE: 2200 case MOUSE_READDATA: 2201 data = (mousedata_t *)addr; 2202 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2203 return (EINVAL); 2204 2205 error = block_mouse_data(sc, &command_byte); 2206 if (error) 2207 return (error); 2208 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2209 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2210 error = EIO; 2211 unblock_mouse_data(sc, command_byte); 2212 break; 2213 2214#if (defined(MOUSE_SETRESOLUTION)) 2215 case MOUSE_SETRESOLUTION: 2216 mode.resolution = *(int *)addr; 2217 if (mode.resolution >= UCHAR_MAX) 2218 return (EINVAL); 2219 else if (mode.resolution >= 200) 2220 mode.resolution = MOUSE_RES_HIGH; 2221 else if (mode.resolution >= 100) 2222 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2223 else if (mode.resolution >= 50) 2224 mode.resolution = MOUSE_RES_MEDIUMLOW; 2225 else if (mode.resolution > 0) 2226 mode.resolution = MOUSE_RES_LOW; 2227 if (mode.resolution == MOUSE_RES_DEFAULT) 2228 mode.resolution = sc->dflt_mode.resolution; 2229 else if (mode.resolution == -1) 2230 mode.resolution = sc->mode.resolution; 2231 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2232 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2233 2234 error = block_mouse_data(sc, &command_byte); 2235 if (error) 2236 return (error); 2237 sc->mode.resolution = 2238 set_mouse_resolution(sc->kbdc, mode.resolution); 2239 if (sc->mode.resolution != mode.resolution) 2240 error = EIO; 2241 unblock_mouse_data(sc, command_byte); 2242 break; 2243#endif /* MOUSE_SETRESOLUTION */ 2244 2245#if (defined(MOUSE_SETRATE)) 2246 case MOUSE_SETRATE: 2247 mode.rate = *(int *)addr; 2248 if (mode.rate > UCHAR_MAX) 2249 return (EINVAL); 2250 if (mode.rate == 0) 2251 mode.rate = sc->dflt_mode.rate; 2252 else if (mode.rate < 0) 2253 mode.rate = sc->mode.rate; 2254 2255 error = block_mouse_data(sc, &command_byte); 2256 if (error) 2257 return (error); 2258 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2259 if (sc->mode.rate != mode.rate) 2260 error = EIO; 2261 unblock_mouse_data(sc, command_byte); 2262 break; 2263#endif /* MOUSE_SETRATE */ 2264 2265#if (defined(MOUSE_SETSCALING)) 2266 case MOUSE_SETSCALING: 2267 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2268 return (EINVAL); 2269 2270 error = block_mouse_data(sc, &command_byte); 2271 if (error) 2272 return (error); 2273 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2274 error = EIO; 2275 unblock_mouse_data(sc, command_byte); 2276 break; 2277#endif /* MOUSE_SETSCALING */ 2278 2279#if (defined(MOUSE_GETHWID)) 2280 case MOUSE_GETHWID: 2281 error = block_mouse_data(sc, &command_byte); 2282 if (error) 2283 return (error); 2284 sc->hw.hwid &= ~0x00ff; 2285 sc->hw.hwid |= get_aux_id(sc->kbdc); 2286 *(int *)addr = sc->hw.hwid & 0x00ff; 2287 unblock_mouse_data(sc, command_byte); 2288 break; 2289#endif /* MOUSE_GETHWID */ 2290 2291 case FIONBIO: 2292 case FIOASYNC: 2293 break; 2294 case FIOSETOWN: 2295 error = fsetown(*(int *)addr, &sc->async); 2296 break; 2297 case FIOGETOWN: 2298 *(int *) addr = fgetown(&sc->async); 2299 break; 2300 default: 2301 return (ENOTTY); 2302 } 2303 2304 return (error); 2305} 2306 2307static void 2308psmtimeout(void *arg) 2309{ 2310 struct psm_softc *sc; 2311 int s; 2312 2313 sc = (struct psm_softc *)arg; 2314 s = spltty(); 2315 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2316 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2317 psmintr(sc); 2318 kbdc_lock(sc->kbdc, FALSE); 2319 } 2320 sc->watchdog = TRUE; 2321 splx(s); 2322 callout_reset(&sc->callout, hz, psmtimeout, sc); 2323} 2324 2325/* Add all sysctls under the debug.psm and hw.psm nodes */ 2326static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2327static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2328 2329SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2330 "Verbosity level"); 2331 2332static int psmhz = 20; 2333SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2334 "Frequency of the softcallout (in hz)"); 2335static int psmerrsecs = 2; 2336SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2337 "Number of seconds during which packets will dropped after a sync error"); 2338static int psmerrusecs = 0; 2339SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2340 "Microseconds to add to psmerrsecs"); 2341static int psmsecs = 0; 2342SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2343 "Max number of seconds between soft interrupts"); 2344static int psmusecs = 500000; 2345SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2346 "Microseconds to add to psmsecs"); 2347static int pkterrthresh = 2; 2348SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2349 "Number of error packets allowed before reinitializing the mouse"); 2350 2351SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RW, &tap_enabled, 0, 2352 "Enable tap and drag gestures"); 2353static int tap_threshold = PSM_TAP_THRESHOLD; 2354SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2355 "Button tap threshold"); 2356static int tap_timeout = PSM_TAP_TIMEOUT; 2357SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2358 "Tap timeout for touchpads"); 2359 2360static void 2361psmintr(void *arg) 2362{ 2363 struct psm_softc *sc = arg; 2364 struct timeval now; 2365 int c; 2366 packetbuf_t *pb; 2367 2368 2369 /* read until there is nothing to read */ 2370 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2371 pb = &sc->pqueue[sc->pqueue_end]; 2372 2373 /* discard the byte if the device is not open */ 2374 if ((sc->state & PSM_OPEN) == 0) 2375 continue; 2376 2377 getmicrouptime(&now); 2378 if ((pb->inputbytes > 0) && 2379 timevalcmp(&now, &sc->inputtimeout, >)) { 2380 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2381 "resetting byte count\n")); 2382 pb->inputbytes = 0; 2383 sc->syncerrors = 0; 2384 sc->pkterrors = 0; 2385 } 2386 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2387 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2388 timevaladd(&sc->inputtimeout, &now); 2389 2390 pb->ipacket[pb->inputbytes++] = c; 2391 2392 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2393 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2394 sc->syncerrors = 0; 2395 sc->pkterrors = 0; 2396 goto next; 2397 } else { 2398 if (pb->inputbytes < sc->mode.packetsize) 2399 continue; 2400 2401 VLOG(4, (LOG_DEBUG, 2402 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2403 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2404 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2405 } 2406 2407 c = pb->ipacket[0]; 2408 2409 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2410 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2411 sc->flags &= ~PSM_NEED_SYNCBITS; 2412 VLOG(2, (LOG_DEBUG, 2413 "psmintr: Sync bytes now %04x,%04x\n", 2414 sc->mode.syncmask[0], sc->mode.syncmask[1])); 2415 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2416 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2417 "(%04x != %04x) %d cmds since last error.\n", 2418 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2419 sc->cmdcount - sc->lasterr)); 2420 sc->lasterr = sc->cmdcount; 2421 /* 2422 * The sync byte test is a weak measure of packet 2423 * validity. Conservatively discard any input yet 2424 * to be seen by userland when we detect a sync 2425 * error since there is a good chance some of 2426 * the queued packets have undetected errors. 2427 */ 2428 dropqueue(sc); 2429 if (sc->syncerrors == 0) 2430 sc->pkterrors++; 2431 ++sc->syncerrors; 2432 sc->lastinputerr = now; 2433 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2434 sc->pkterrors >= pkterrthresh) { 2435 /* 2436 * If we've failed to find a single sync byte 2437 * in 2 packets worth of data, or we've seen 2438 * persistent packet errors during the 2439 * validation period, reinitialize the mouse 2440 * in hopes of returning it to the expected 2441 * mode. 2442 */ 2443 VLOG(3, (LOG_DEBUG, 2444 "psmintr: reset the mouse.\n")); 2445 reinitialize(sc, TRUE); 2446 } else if (sc->syncerrors == sc->mode.packetsize) { 2447 /* 2448 * Try a soft reset after searching for a sync 2449 * byte through a packet length of bytes. 2450 */ 2451 VLOG(3, (LOG_DEBUG, 2452 "psmintr: re-enable the mouse.\n")); 2453 pb->inputbytes = 0; 2454 disable_aux_dev(sc->kbdc); 2455 enable_aux_dev(sc->kbdc); 2456 } else { 2457 VLOG(3, (LOG_DEBUG, 2458 "psmintr: discard a byte (%d)\n", 2459 sc->syncerrors)); 2460 pb->inputbytes--; 2461 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2462 pb->inputbytes); 2463 } 2464 continue; 2465 } 2466 2467 /* 2468 * We have what appears to be a valid packet. 2469 * Reset the error counters. 2470 */ 2471 sc->syncerrors = 0; 2472 2473 /* 2474 * Drop even good packets if they occur within a timeout 2475 * period of a sync error. This allows the detection of 2476 * a change in the mouse's packet mode without exposing 2477 * erratic mouse behavior to the user. Some KVMs forget 2478 * enhanced mouse modes during switch events. 2479 */ 2480 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2481 &now)) { 2482 pb->inputbytes = 0; 2483 continue; 2484 } 2485 2486 /* 2487 * Now that we're out of the validation period, reset 2488 * the packet error count. 2489 */ 2490 sc->pkterrors = 0; 2491 2492 sc->cmdcount++; 2493next: 2494 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2495 sc->pqueue_end = 0; 2496 /* 2497 * If we've filled the queue then call the softintr ourselves, 2498 * otherwise schedule the interrupt for later. 2499 */ 2500 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2501 (sc->pqueue_end == sc->pqueue_start)) { 2502 if ((sc->state & PSM_SOFTARMED) != 0) { 2503 sc->state &= ~PSM_SOFTARMED; 2504 callout_stop(&sc->softcallout); 2505 } 2506 psmsoftintr(arg); 2507 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2508 sc->state |= PSM_SOFTARMED; 2509 callout_reset(&sc->softcallout, 2510 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 2511 } 2512 } 2513} 2514 2515static void 2516proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2517 int *x, int *y, int *z) 2518{ 2519 2520 /* 2521 * PS2++ protocol packet 2522 * 2523 * b7 b6 b5 b4 b3 b2 b1 b0 2524 * byte 1: * 1 p3 p2 1 * * * 2525 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2526 * 2527 * p3-p0: packet type 2528 * c1, c2: c1 & c2 == 1, if p2 == 0 2529 * c1 & c2 == 0, if p2 == 1 2530 * 2531 * packet type: 0 (device type) 2532 * See comments in enable_mmanplus() below. 2533 * 2534 * packet type: 1 (wheel data) 2535 * 2536 * b7 b6 b5 b4 b3 b2 b1 b0 2537 * byte 3: h * B5 B4 s d2 d1 d0 2538 * 2539 * h: 1, if horizontal roller data 2540 * 0, if vertical roller data 2541 * B4, B5: button 4 and 5 2542 * s: sign bit 2543 * d2-d0: roller data 2544 * 2545 * packet type: 2 (reserved) 2546 */ 2547 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2548 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2549 /* 2550 * the extended data packet encodes button 2551 * and wheel events 2552 */ 2553 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2554 case 1: 2555 /* wheel data packet */ 2556 *x = *y = 0; 2557 if (pb->ipacket[2] & 0x80) { 2558 /* XXX horizontal roller count - ignore it */ 2559 ; 2560 } else { 2561 /* vertical roller count */ 2562 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2563 (pb->ipacket[2] & 0x0f) - 16 : 2564 (pb->ipacket[2] & 0x0f); 2565 } 2566 ms->button |= (pb->ipacket[2] & 2567 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2568 MOUSE_BUTTON4DOWN : 0; 2569 ms->button |= (pb->ipacket[2] & 2570 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2571 MOUSE_BUTTON5DOWN : 0; 2572 break; 2573 case 2: 2574 /* 2575 * this packet type is reserved by 2576 * Logitech... 2577 */ 2578 /* 2579 * IBM ScrollPoint Mouse uses this 2580 * packet type to encode both vertical 2581 * and horizontal scroll movement. 2582 */ 2583 *x = *y = 0; 2584 /* horizontal count */ 2585 if (pb->ipacket[2] & 0x0f) 2586 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2587 -2 : 2; 2588 /* vertical count */ 2589 if (pb->ipacket[2] & 0xf0) 2590 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2591 -1 : 1; 2592 break; 2593 case 0: 2594 /* device type packet - shouldn't happen */ 2595 /* FALLTHROUGH */ 2596 default: 2597 *x = *y = 0; 2598 ms->button = ms->obutton; 2599 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2600 "type %d: 0x%02x 0x%02x 0x%02x\n", 2601 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2602 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2603 break; 2604 } 2605 } else { 2606 /* preserve button states */ 2607 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2608 } 2609} 2610 2611static int 2612proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2613 int *x, int *y, int *z) 2614{ 2615 static int touchpad_buttons; 2616 static int guest_buttons; 2617 int w, x0, y0; 2618 2619 /* TouchPad PS/2 absolute mode message format with capFourButtons: 2620 * 2621 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2622 * ------------------------------------------------ 2623 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2624 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2625 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2626 * ipacket[3]: 1 1 Yc Xc 0 W0 D^R U^L 2627 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2628 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2629 * 2630 * Legend: 2631 * L: left physical mouse button 2632 * R: right physical mouse button 2633 * D: down button 2634 * U: up button 2635 * W: "wrist" value 2636 * X: x position 2637 * Y: y position 2638 * Z: pressure 2639 * 2640 * Without capFourButtons but with nExtendeButtons and/or capMiddle 2641 * 2642 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2643 * ------------------------------------------------------ 2644 * ipacket[3]: 1 1 Yc Xc 0 W0 E^R M^L 2645 * ipacket[4]: X7 X6 X5 X4 X3|b7 X2|b5 X1|b3 X0|b1 2646 * ipacket[5]: Y7 Y6 Y5 Y4 Y3|b8 Y2|b6 Y1|b4 Y0|b2 2647 * 2648 * Legend: 2649 * M: Middle physical mouse button 2650 * E: Extended mouse buttons reported instead of low bits of X and Y 2651 * b1-b8: Extended mouse buttons 2652 * Only ((nExtendedButtons + 1) >> 1) bits are used in packet 2653 * 4 and 5, for reading X and Y value they should be zeroed. 2654 * 2655 * Absolute reportable limits: 0 - 6143. 2656 * Typical bezel limits: 1472 - 5472. 2657 * Typical edge marings: 1632 - 5312. 2658 * 2659 * w = 3 Passthrough Packet 2660 * 2661 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2662 */ 2663 2664 if (!synaptics_support) 2665 return (0); 2666 2667 /* Sanity check for out of sync packets. */ 2668 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2669 (pb->ipacket[3] & 0xc8) != 0xc0) 2670 return (-1); 2671 2672 *x = *y = 0; 2673 2674 /* 2675 * Pressure value. 2676 * Interpretation: 2677 * z = 0 No finger contact 2678 * z = 10 Finger hovering near the pad 2679 * z = 30 Very light finger contact 2680 * z = 80 Normal finger contact 2681 * z = 110 Very heavy finger contact 2682 * z = 200 Finger lying flat on pad surface 2683 * z = 255 Maximum reportable Z 2684 */ 2685 *z = pb->ipacket[2]; 2686 2687 /* 2688 * Finger width value 2689 * Interpretation: 2690 * w = 0 Two finger on the pad (capMultiFinger needed) 2691 * w = 1 Three or more fingers (capMultiFinger needed) 2692 * w = 2 Pen (instead of finger) (capPen needed) 2693 * w = 3 Reserved (passthrough?) 2694 * w = 4-7 Finger of normal width (capPalmDetect needed) 2695 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2696 * w = 15 Maximum reportable width (capPalmDetect needed) 2697 */ 2698 /* XXX Is checking capExtended enough? */ 2699 if (sc->synhw.capExtended) 2700 w = ((pb->ipacket[0] & 0x30) >> 2) | 2701 ((pb->ipacket[0] & 0x04) >> 1) | 2702 ((pb->ipacket[3] & 0x04) >> 2); 2703 else { 2704 /* Assume a finger of regular width. */ 2705 w = 4; 2706 } 2707 2708 /* 2709 * Handle packets from the guest device. See: 2710 * Synaptics PS/2 TouchPad Interfacing Guide, Section 5.1 2711 */ 2712 if (w == 3 && sc->synhw.capPassthrough) { 2713 *x = ((pb->ipacket[1] & 0x10) ? 2714 pb->ipacket[4] - 256 : pb->ipacket[4]); 2715 *y = ((pb->ipacket[1] & 0x20) ? 2716 pb->ipacket[5] - 256 : pb->ipacket[5]); 2717 *z = 0; 2718 2719 guest_buttons = 0; 2720 if (pb->ipacket[1] & 0x01) 2721 guest_buttons |= MOUSE_BUTTON1DOWN; 2722 if (pb->ipacket[1] & 0x04) 2723 guest_buttons |= MOUSE_BUTTON2DOWN; 2724 if (pb->ipacket[1] & 0x02) 2725 guest_buttons |= MOUSE_BUTTON3DOWN; 2726 2727 ms->button = touchpad_buttons | guest_buttons; 2728 goto SYNAPTICS_END; 2729 } 2730 2731 if (sc->syninfo.touchpad_off) { 2732 *x = *y = *z = 0; 2733 ms->button = ms->obutton; 2734 goto SYNAPTICS_END; 2735 } 2736 2737 /* Button presses */ 2738 touchpad_buttons = 0; 2739 if (pb->ipacket[0] & 0x01) 2740 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2741 if (pb->ipacket[0] & 0x02) 2742 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2743 2744 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2745 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x01) 2746 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2747 if ((pb->ipacket[3] ^ pb->ipacket[0]) & 0x02) 2748 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2749 } else if (sc->synhw.capExtended && sc->synhw.capMiddle && 2750 !sc->synhw.capClickPad) { 2751 /* Middle Button */ 2752 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01) 2753 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2754 } else if (sc->synhw.capExtended && (sc->synhw.nExtendedButtons > 0)) { 2755 /* Extended Buttons */ 2756 if ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x02) { 2757 if (sc->syninfo.directional_scrolls) { 2758 if (pb->ipacket[4] & 0x01) 2759 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2760 if (pb->ipacket[5] & 0x01) 2761 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2762 if (pb->ipacket[4] & 0x02) 2763 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2764 if (pb->ipacket[5] & 0x02) 2765 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2766 } else { 2767 if (pb->ipacket[4] & 0x01) 2768 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2769 if (pb->ipacket[5] & 0x01) 2770 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2771 if (pb->ipacket[4] & 0x02) 2772 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2773 sc->extended_buttons = touchpad_buttons; 2774 } 2775 2776 /* 2777 * Zero out bits used by extended buttons to avoid 2778 * misinterpretation of the data absolute position. 2779 * 2780 * The bits represented by 2781 * 2782 * (nExtendedButtons + 1) >> 1 2783 * 2784 * will be masked out in both bytes. 2785 * The mask for n bits is computed with the formula 2786 * 2787 * (1 << n) - 1 2788 */ 2789 int maskedbits = 0; 2790 int mask = 0; 2791 maskedbits = (sc->synhw.nExtendedButtons + 1) >> 1; 2792 mask = (1 << maskedbits) - 1; 2793 pb->ipacket[4] &= ~(mask); 2794 pb->ipacket[5] &= ~(mask); 2795 } else if (!sc->syninfo.directional_scrolls && 2796 !sc->synaction.in_vscroll) { 2797 /* 2798 * Keep reporting MOUSE DOWN until we get a new packet 2799 * indicating otherwise. 2800 */ 2801 touchpad_buttons |= sc->extended_buttons; 2802 } 2803 } 2804 /* Handle ClickPad. */ 2805 if (sc->synhw.capClickPad && 2806 ((pb->ipacket[0] ^ pb->ipacket[3]) & 0x01)) 2807 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2808 2809 ms->button = touchpad_buttons | guest_buttons; 2810 2811 /* 2812 * Check pressure to detect a real wanted action on the 2813 * touchpad. 2814 */ 2815 if (*z >= sc->syninfo.min_pressure) { 2816 synapticsaction_t *synaction; 2817 int cursor, peer, window; 2818 int dx, dy, dxp, dyp; 2819 int max_width, max_pressure; 2820 int margin_top, margin_right, margin_bottom, margin_left; 2821 int na_top, na_right, na_bottom, na_left; 2822 int window_min, window_max; 2823 int multiplicator; 2824 int weight_current, weight_previous, weight_len_squared; 2825 int div_min, div_max, div_len; 2826 int vscroll_hor_area, vscroll_ver_area; 2827 int two_finger_scroll; 2828 int len, weight_prev_x, weight_prev_y; 2829 int div_max_x, div_max_y, div_x, div_y; 2830 2831 /* Read sysctl. */ 2832 /* XXX Verify values? */ 2833 max_width = sc->syninfo.max_width; 2834 max_pressure = sc->syninfo.max_pressure; 2835 margin_top = sc->syninfo.margin_top; 2836 margin_right = sc->syninfo.margin_right; 2837 margin_bottom = sc->syninfo.margin_bottom; 2838 margin_left = sc->syninfo.margin_left; 2839 na_top = sc->syninfo.na_top; 2840 na_right = sc->syninfo.na_right; 2841 na_bottom = sc->syninfo.na_bottom; 2842 na_left = sc->syninfo.na_left; 2843 window_min = sc->syninfo.window_min; 2844 window_max = sc->syninfo.window_max; 2845 multiplicator = sc->syninfo.multiplicator; 2846 weight_current = sc->syninfo.weight_current; 2847 weight_previous = sc->syninfo.weight_previous; 2848 weight_len_squared = sc->syninfo.weight_len_squared; 2849 div_min = sc->syninfo.div_min; 2850 div_max = sc->syninfo.div_max; 2851 div_len = sc->syninfo.div_len; 2852 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2853 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2854 two_finger_scroll = sc->syninfo.two_finger_scroll; 2855 2856 /* Palm detection. */ 2857 if (!( 2858 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2859 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2860 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2861 (sc->synhw.capPen && w == 2))) { 2862 /* 2863 * We consider the packet irrelevant for the current 2864 * action when: 2865 * - the width isn't comprised in: 2866 * [4; max_width] 2867 * - the pressure isn't comprised in: 2868 * [min_pressure; max_pressure] 2869 * - pen aren't supported but w is 2 2870 * 2871 * Note that this doesn't terminate the current action. 2872 */ 2873 VLOG(2, (LOG_DEBUG, 2874 "synaptics: palm detected! (%d)\n", w)); 2875 goto SYNAPTICS_END; 2876 } 2877 2878 /* Read current absolute position. */ 2879 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2880 ((pb->ipacket[1] & 0x0f) << 8) | 2881 pb->ipacket[4]; 2882 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2883 ((pb->ipacket[1] & 0xf0) << 4) | 2884 pb->ipacket[5]; 2885 2886 synaction = &(sc->synaction); 2887 2888 /* 2889 * If the action is just beginning, init the structure and 2890 * compute tap timeout. 2891 */ 2892 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2893 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2894 2895 /* Store the first point of this action. */ 2896 synaction->start_x = x0; 2897 synaction->start_y = y0; 2898 dx = dy = 0; 2899 2900 /* Initialize queue. */ 2901 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2902 synaction->queue_len = 0; 2903 synaction->window_min = window_min; 2904 2905 /* Reset average. */ 2906 synaction->avg_dx = 0; 2907 synaction->avg_dy = 0; 2908 2909 /* Reset squelch. */ 2910 synaction->squelch_x = 0; 2911 synaction->squelch_y = 0; 2912 2913 /* Reset pressure peak. */ 2914 sc->zmax = 0; 2915 2916 /* Reset fingers count. */ 2917 synaction->fingers_nb = 0; 2918 2919 /* Reset virtual scrolling state. */ 2920 synaction->in_vscroll = 0; 2921 2922 /* Compute tap timeout. */ 2923 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2924 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2925 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2926 2927 sc->flags |= PSM_FLAGS_FINGERDOWN; 2928 } else { 2929 /* Calculate the current delta. */ 2930 cursor = synaction->queue_cursor; 2931 dx = x0 - synaction->queue[cursor].x; 2932 dy = y0 - synaction->queue[cursor].y; 2933 } 2934 2935 /* If in tap-hold, add the recorded button. */ 2936 if (synaction->in_taphold) 2937 ms->button |= synaction->tap_button; 2938 2939 /* 2940 * From now on, we can use the SYNAPTICS_END label to skip 2941 * the current packet. 2942 */ 2943 2944 /* 2945 * Limit the coordinates to the specified margins because 2946 * this area isn't very reliable. 2947 */ 2948 if (x0 <= margin_left) 2949 x0 = margin_left; 2950 else if (x0 >= 6143 - margin_right) 2951 x0 = 6143 - margin_right; 2952 if (y0 <= margin_bottom) 2953 y0 = margin_bottom; 2954 else if (y0 >= 6143 - margin_top) 2955 y0 = 6143 - margin_top; 2956 2957 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2958 x0, y0, *z, w)); 2959 2960 /* Queue this new packet. */ 2961 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2962 synaction->queue[cursor].x = x0; 2963 synaction->queue[cursor].y = y0; 2964 synaction->queue_cursor = cursor; 2965 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2966 synaction->queue_len++; 2967 VLOG(5, (LOG_DEBUG, 2968 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2969 cursor, x0, y0, dx, dy)); 2970 2971 /* 2972 * For tap, we keep the maximum number of fingers and the 2973 * pressure peak. Also with multiple fingers, we increase 2974 * the minimum window. 2975 */ 2976 switch (w) { 2977 case 1: /* Three or more fingers. */ 2978 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2979 synaction->window_min = window_max; 2980 break; 2981 case 0: /* Two fingers. */ 2982 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2983 synaction->window_min = window_max; 2984 break; 2985 default: /* One finger or undetectable. */ 2986 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2987 } 2988 sc->zmax = imax(*z, sc->zmax); 2989 2990 /* Do we have enough packets to consider this a movement? */ 2991 if (synaction->queue_len < synaction->window_min) 2992 goto SYNAPTICS_END; 2993 2994 /* Is a scrolling action occuring? */ 2995 if (!synaction->in_taphold && !synaction->in_vscroll) { 2996 /* 2997 * A scrolling action must not conflict with a tap 2998 * action. Here are the conditions to consider a 2999 * scrolling action: 3000 * - the action in a configurable area 3001 * - one of the following: 3002 * . the distance between the last packet and the 3003 * first should be above a configurable minimum 3004 * . tap timed out 3005 */ 3006 dxp = abs(synaction->queue[synaction->queue_cursor].x - 3007 synaction->start_x); 3008 dyp = abs(synaction->queue[synaction->queue_cursor].y - 3009 synaction->start_y); 3010 3011 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 3012 dxp >= sc->syninfo.vscroll_min_delta || 3013 dyp >= sc->syninfo.vscroll_min_delta) { 3014 /* 3015 * Handle two finger scrolling. 3016 * Note that we don't rely on fingers_nb 3017 * as that keeps the maximum number of fingers. 3018 */ 3019 if (two_finger_scroll) { 3020 if (w == 0) { 3021 synaction->in_vscroll += 3022 dyp ? 2 : 0; 3023 synaction->in_vscroll += 3024 dxp ? 1 : 0; 3025 } 3026 } else { 3027 /* Check for horizontal scrolling. */ 3028 if ((vscroll_hor_area > 0 && 3029 synaction->start_y <= 3030 vscroll_hor_area) || 3031 (vscroll_hor_area < 0 && 3032 synaction->start_y >= 3033 6143 + vscroll_hor_area)) 3034 synaction->in_vscroll += 2; 3035 3036 /* Check for vertical scrolling. */ 3037 if ((vscroll_ver_area > 0 && 3038 synaction->start_x <= 3039 vscroll_ver_area) || 3040 (vscroll_ver_area < 0 && 3041 synaction->start_x >= 3042 6143 + vscroll_ver_area)) 3043 synaction->in_vscroll += 1; 3044 } 3045 3046 /* Avoid conflicts if area overlaps. */ 3047 if (synaction->in_vscroll >= 3) 3048 synaction->in_vscroll = 3049 (dxp > dyp) ? 2 : 1; 3050 } 3051 } 3052 /* 3053 * Reset two finger scrolling when the number of fingers 3054 * is different from two. 3055 */ 3056 if (two_finger_scroll && w != 0) 3057 synaction->in_vscroll = 0; 3058 3059 VLOG(5, (LOG_DEBUG, 3060 "synaptics: virtual scrolling: %s " 3061 "(direction=%d, dxp=%d, dyp=%d, fingers=%d)\n", 3062 synaction->in_vscroll ? "YES" : "NO", 3063 synaction->in_vscroll, dxp, dyp, 3064 synaction->fingers_nb)); 3065 3066 weight_prev_x = weight_prev_y = weight_previous; 3067 div_max_x = div_max_y = div_max; 3068 3069 if (synaction->in_vscroll) { 3070 /* Dividers are different with virtual scrolling. */ 3071 div_min = sc->syninfo.vscroll_div_min; 3072 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 3073 } else { 3074 /* 3075 * There's a lot of noise in coordinates when 3076 * the finger is on the touchpad's borders. When 3077 * using this area, we apply a special weight and 3078 * div. 3079 */ 3080 if (x0 <= na_left || x0 >= 6143 - na_right) { 3081 weight_prev_x = sc->syninfo.weight_previous_na; 3082 div_max_x = sc->syninfo.div_max_na; 3083 } 3084 3085 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 3086 weight_prev_y = sc->syninfo.weight_previous_na; 3087 div_max_y = sc->syninfo.div_max_na; 3088 } 3089 } 3090 3091 /* 3092 * Calculate weights for the average operands and 3093 * the divisor. Both depend on the distance between 3094 * the current packet and a previous one (based on the 3095 * window width). 3096 */ 3097 window = imin(synaction->queue_len, window_max); 3098 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 3099 dxp = abs(x0 - synaction->queue[peer].x) + 1; 3100 dyp = abs(y0 - synaction->queue[peer].y) + 1; 3101 len = (dxp * dxp) + (dyp * dyp); 3102 weight_prev_x = imin(weight_prev_x, 3103 weight_len_squared * weight_prev_x / len); 3104 weight_prev_y = imin(weight_prev_y, 3105 weight_len_squared * weight_prev_y / len); 3106 3107 len = (dxp + dyp) / 2; 3108 div_x = div_len * div_max_x / len; 3109 div_x = imin(div_max_x, div_x); 3110 div_x = imax(div_min, div_x); 3111 div_y = div_len * div_max_y / len; 3112 div_y = imin(div_max_y, div_y); 3113 div_y = imax(div_min, div_y); 3114 3115 VLOG(3, (LOG_DEBUG, 3116 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 3117 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 3118 3119 /* Compute averages. */ 3120 synaction->avg_dx = 3121 (weight_current * dx * multiplicator + 3122 weight_prev_x * synaction->avg_dx) / 3123 (weight_current + weight_prev_x); 3124 3125 synaction->avg_dy = 3126 (weight_current * dy * multiplicator + 3127 weight_prev_y * synaction->avg_dy) / 3128 (weight_current + weight_prev_y); 3129 3130 VLOG(5, (LOG_DEBUG, 3131 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 3132 synaction->avg_dx / multiplicator, 3133 synaction->avg_dy / multiplicator)); 3134 3135 /* Use these averages to calculate x & y. */ 3136 synaction->squelch_x += synaction->avg_dx; 3137 *x = synaction->squelch_x / (div_x * multiplicator); 3138 synaction->squelch_x = synaction->squelch_x % 3139 (div_x * multiplicator); 3140 3141 synaction->squelch_y += synaction->avg_dy; 3142 *y = synaction->squelch_y / (div_y * multiplicator); 3143 synaction->squelch_y = synaction->squelch_y % 3144 (div_y * multiplicator); 3145 3146 if (synaction->in_vscroll) { 3147 switch(synaction->in_vscroll) { 3148 case 1: /* Vertical scrolling. */ 3149 if (*y != 0) 3150 ms->button |= (*y > 0) ? 3151 MOUSE_BUTTON4DOWN : 3152 MOUSE_BUTTON5DOWN; 3153 break; 3154 case 2: /* Horizontal scrolling. */ 3155 if (*x != 0) 3156 ms->button |= (*x > 0) ? 3157 MOUSE_BUTTON7DOWN : 3158 MOUSE_BUTTON6DOWN; 3159 break; 3160 } 3161 3162 /* The pointer is not moved. */ 3163 *x = *y = 0; 3164 } else { 3165 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3166 dx, dy, *x, *y)); 3167 } 3168 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3169 /* 3170 * An action is currently taking place but the pressure 3171 * dropped under the minimum, putting an end to it. 3172 */ 3173 synapticsaction_t *synaction; 3174 int taphold_timeout, dx, dy, tap_max_delta; 3175 3176 synaction = &(sc->synaction); 3177 dx = abs(synaction->queue[synaction->queue_cursor].x - 3178 synaction->start_x); 3179 dy = abs(synaction->queue[synaction->queue_cursor].y - 3180 synaction->start_y); 3181 3182 /* Max delta is disabled for multi-fingers tap. */ 3183 if (synaction->fingers_nb > 1) 3184 tap_max_delta = imax(dx, dy); 3185 else 3186 tap_max_delta = sc->syninfo.tap_max_delta; 3187 3188 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3189 3190 /* Check for tap. */ 3191 VLOG(3, (LOG_DEBUG, 3192 "synaptics: zmax=%d, dx=%d, dy=%d, " 3193 "delta=%d, fingers=%d, queue=%d\n", 3194 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3195 synaction->queue_len)); 3196 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3197 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3198 dx <= tap_max_delta && dy <= tap_max_delta && 3199 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3200 /* 3201 * We have a tap if: 3202 * - the maximum pressure went over tap_threshold 3203 * - the action ended before tap_timeout 3204 * 3205 * To handle tap-hold, we must delay any button push to 3206 * the next action. 3207 */ 3208 if (synaction->in_taphold) { 3209 /* 3210 * This is the second and last tap of a 3211 * double tap action, not a tap-hold. 3212 */ 3213 synaction->in_taphold = 0; 3214 3215 /* 3216 * For double-tap to work: 3217 * - no button press is emitted (to 3218 * simulate a button release) 3219 * - PSM_FLAGS_FINGERDOWN is set to 3220 * force the next packet to emit a 3221 * button press) 3222 */ 3223 VLOG(2, (LOG_DEBUG, 3224 "synaptics: button RELEASE: %d\n", 3225 synaction->tap_button)); 3226 sc->flags |= PSM_FLAGS_FINGERDOWN; 3227 } else { 3228 /* 3229 * This is the first tap: we set the 3230 * tap-hold state and notify the button 3231 * down event. 3232 */ 3233 synaction->in_taphold = 1; 3234 taphold_timeout = sc->syninfo.taphold_timeout; 3235 sc->taptimeout.tv_sec = taphold_timeout / 3236 1000000; 3237 sc->taptimeout.tv_usec = taphold_timeout % 3238 1000000; 3239 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3240 3241 switch (synaction->fingers_nb) { 3242 case 3: 3243 synaction->tap_button = 3244 MOUSE_BUTTON2DOWN; 3245 break; 3246 case 2: 3247 synaction->tap_button = 3248 MOUSE_BUTTON3DOWN; 3249 break; 3250 default: 3251 synaction->tap_button = 3252 MOUSE_BUTTON1DOWN; 3253 } 3254 VLOG(2, (LOG_DEBUG, 3255 "synaptics: button PRESS: %d\n", 3256 synaction->tap_button)); 3257 ms->button |= synaction->tap_button; 3258 } 3259 } else { 3260 /* 3261 * Not enough pressure or timeout: reset 3262 * tap-hold state. 3263 */ 3264 if (synaction->in_taphold) { 3265 VLOG(2, (LOG_DEBUG, 3266 "synaptics: button RELEASE: %d\n", 3267 synaction->tap_button)); 3268 synaction->in_taphold = 0; 3269 } else { 3270 VLOG(2, (LOG_DEBUG, 3271 "synaptics: not a tap-hold\n")); 3272 } 3273 } 3274 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3275 sc->synaction.in_taphold) { 3276 /* 3277 * For a tap-hold to work, the button must remain down at 3278 * least until timeout (where the in_taphold flags will be 3279 * cleared) or during the next action. 3280 */ 3281 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3282 ms->button |= sc->synaction.tap_button; 3283 } else { 3284 VLOG(2, (LOG_DEBUG, 3285 "synaptics: button RELEASE: %d\n", 3286 sc->synaction.tap_button)); 3287 sc->synaction.in_taphold = 0; 3288 } 3289 } 3290 3291SYNAPTICS_END: 3292 /* 3293 * Use the extra buttons as a scrollwheel 3294 * 3295 * XXX X.Org uses the Z axis for vertical wheel only, 3296 * whereas moused(8) understands special values to differ 3297 * vertical and horizontal wheels. 3298 * 3299 * xf86-input-mouse needs therefore a small patch to 3300 * understand these special values. Without it, the 3301 * horizontal wheel acts as a vertical wheel in X.Org. 3302 * 3303 * That's why the horizontal wheel is disabled by 3304 * default for now. 3305 */ 3306 3307 if (ms->button & MOUSE_BUTTON4DOWN) { 3308 *z = -1; 3309 ms->button &= ~MOUSE_BUTTON4DOWN; 3310 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3311 *z = 1; 3312 ms->button &= ~MOUSE_BUTTON5DOWN; 3313 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3314 *z = -2; 3315 ms->button &= ~MOUSE_BUTTON6DOWN; 3316 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3317 *z = 2; 3318 ms->button &= ~MOUSE_BUTTON7DOWN; 3319 } else 3320 *z = 0; 3321 3322 return (0); 3323} 3324 3325static void 3326proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3327 int *x, int *y, int *z) 3328{ 3329 static int butmap_versapad[8] = { 3330 0, 3331 MOUSE_BUTTON3DOWN, 3332 0, 3333 MOUSE_BUTTON3DOWN, 3334 MOUSE_BUTTON1DOWN, 3335 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3336 MOUSE_BUTTON1DOWN, 3337 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3338 }; 3339 int c, x0, y0; 3340 3341 /* VersaPad PS/2 absolute mode message format 3342 * 3343 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3344 * ipacket[0]: 1 1 0 A 1 L T R 3345 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3346 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3347 * ipacket[3]: 1 1 1 A 1 L T R 3348 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3349 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3350 * 3351 * [note] 3352 * R: right physical mouse button (1=on) 3353 * T: touch pad virtual button (1=tapping) 3354 * L: left physical mouse button (1=on) 3355 * A: position data is valid (1=valid) 3356 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3357 * V: vertical data (12bit signed integer. V11 is sign bit.) 3358 * P: pressure data 3359 * 3360 * Tapping is mapped to MOUSE_BUTTON4. 3361 */ 3362 c = pb->ipacket[0]; 3363 *x = *y = 0; 3364 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3365 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3366 if (c & MOUSE_PS2VERSA_IN_USE) { 3367 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3368 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3369 if (x0 & 0x800) 3370 x0 -= 0x1000; 3371 if (y0 & 0x800) 3372 y0 -= 0x1000; 3373 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3374 *x = sc->xold - x0; 3375 *y = y0 - sc->yold; 3376 if (*x < 0) /* XXX */ 3377 ++*x; 3378 else if (*x) 3379 --*x; 3380 if (*y < 0) 3381 ++*y; 3382 else if (*y) 3383 --*y; 3384 } else 3385 sc->flags |= PSM_FLAGS_FINGERDOWN; 3386 sc->xold = x0; 3387 sc->yold = y0; 3388 } else 3389 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3390} 3391 3392static void 3393psmsoftintr(void *arg) 3394{ 3395 /* 3396 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3397 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3398 */ 3399 static int butmap[8] = { 3400 0, 3401 MOUSE_BUTTON1DOWN, 3402 MOUSE_BUTTON3DOWN, 3403 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3404 MOUSE_BUTTON2DOWN, 3405 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3406 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3407 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3408 }; 3409 struct psm_softc *sc = arg; 3410 mousestatus_t ms; 3411 packetbuf_t *pb; 3412 int x, y, z, c, l, s; 3413 3414 getmicrouptime(&sc->lastsoftintr); 3415 3416 s = spltty(); 3417 3418 do { 3419 pb = &sc->pqueue[sc->pqueue_start]; 3420 3421 if (sc->mode.level == PSM_LEVEL_NATIVE) 3422 goto next_native; 3423 3424 c = pb->ipacket[0]; 3425 /* 3426 * A kludge for Kensington device! 3427 * The MSB of the horizontal count appears to be stored in 3428 * a strange place. 3429 */ 3430 if (sc->hw.model == MOUSE_MODEL_THINK) 3431 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3432 3433 /* ignore the overflow bits... */ 3434 x = (c & MOUSE_PS2_XNEG) ? 3435 pb->ipacket[1] - 256 : pb->ipacket[1]; 3436 y = (c & MOUSE_PS2_YNEG) ? 3437 pb->ipacket[2] - 256 : pb->ipacket[2]; 3438 z = 0; 3439 ms.obutton = sc->button; /* previous button state */ 3440 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3441 /* `tapping' action */ 3442 if (sc->config & PSM_CONFIG_FORCETAP) 3443 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3444 0 : MOUSE_BUTTON4DOWN; 3445 3446 switch (sc->hw.model) { 3447 3448 case MOUSE_MODEL_EXPLORER: 3449 /* 3450 * b7 b6 b5 b4 b3 b2 b1 b0 3451 * byte 1: oy ox sy sx 1 M R L 3452 * byte 2: x x x x x x x x 3453 * byte 3: y y y y y y y y 3454 * byte 4: * * S2 S1 s d2 d1 d0 3455 * 3456 * L, M, R, S1, S2: left, middle, right and side buttons 3457 * s: wheel data sign bit 3458 * d2-d0: wheel data 3459 */ 3460 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3461 (pb->ipacket[3] & 0x0f) - 16 : 3462 (pb->ipacket[3] & 0x0f); 3463 ms.button |= 3464 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3465 MOUSE_BUTTON4DOWN : 0; 3466 ms.button |= 3467 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3468 MOUSE_BUTTON5DOWN : 0; 3469 break; 3470 3471 case MOUSE_MODEL_INTELLI: 3472 case MOUSE_MODEL_NET: 3473 /* wheel data is in the fourth byte */ 3474 z = (char)pb->ipacket[3]; 3475 /* 3476 * XXX some mice may send 7 when there is no Z movement? */ 3477 if ((z >= 7) || (z <= -7)) 3478 z = 0; 3479 /* some compatible mice have additional buttons */ 3480 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3481 MOUSE_BUTTON4DOWN : 0; 3482 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3483 MOUSE_BUTTON5DOWN : 0; 3484 break; 3485 3486 case MOUSE_MODEL_MOUSEMANPLUS: 3487 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3488 break; 3489 3490 case MOUSE_MODEL_GLIDEPOINT: 3491 /* `tapping' action */ 3492 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3493 MOUSE_BUTTON4DOWN; 3494 break; 3495 3496 case MOUSE_MODEL_NETSCROLL: 3497 /* 3498 * three addtional bytes encode buttons and 3499 * wheel events 3500 */ 3501 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3502 MOUSE_BUTTON4DOWN : 0; 3503 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3504 MOUSE_BUTTON5DOWN : 0; 3505 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3506 pb->ipacket[4] - 256 : pb->ipacket[4]; 3507 break; 3508 3509 case MOUSE_MODEL_THINK: 3510 /* the fourth button state in the first byte */ 3511 ms.button |= (c & MOUSE_PS2_TAP) ? 3512 MOUSE_BUTTON4DOWN : 0; 3513 break; 3514 3515 case MOUSE_MODEL_VERSAPAD: 3516 proc_versapad(sc, pb, &ms, &x, &y, &z); 3517 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3518 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3519 break; 3520 3521 case MOUSE_MODEL_4D: 3522 /* 3523 * b7 b6 b5 b4 b3 b2 b1 b0 3524 * byte 1: s2 d2 s1 d1 1 M R L 3525 * byte 2: sx x x x x x x x 3526 * byte 3: sy y y y y y y y 3527 * 3528 * s1: wheel 1 direction 3529 * d1: wheel 1 data 3530 * s2: wheel 2 direction 3531 * d2: wheel 2 data 3532 */ 3533 x = (pb->ipacket[1] & 0x80) ? 3534 pb->ipacket[1] - 256 : pb->ipacket[1]; 3535 y = (pb->ipacket[2] & 0x80) ? 3536 pb->ipacket[2] - 256 : pb->ipacket[2]; 3537 switch (c & MOUSE_4D_WHEELBITS) { 3538 case 0x10: 3539 z = 1; 3540 break; 3541 case 0x30: 3542 z = -1; 3543 break; 3544 case 0x40: /* XXX 2nd wheel turning right */ 3545 z = 2; 3546 break; 3547 case 0xc0: /* XXX 2nd wheel turning left */ 3548 z = -2; 3549 break; 3550 } 3551 break; 3552 3553 case MOUSE_MODEL_4DPLUS: 3554 if ((x < 16 - 256) && (y < 16 - 256)) { 3555 /* 3556 * b7 b6 b5 b4 b3 b2 b1 b0 3557 * byte 1: 0 0 1 1 1 M R L 3558 * byte 2: 0 0 0 0 1 0 0 0 3559 * byte 3: 0 0 0 0 S s d1 d0 3560 * 3561 * L, M, R, S: left, middle, right, 3562 * and side buttons 3563 * s: wheel data sign bit 3564 * d1-d0: wheel data 3565 */ 3566 x = y = 0; 3567 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3568 ms.button |= MOUSE_BUTTON4DOWN; 3569 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3570 ((pb->ipacket[2] & 0x07) - 8) : 3571 (pb->ipacket[2] & 0x07) ; 3572 } else { 3573 /* preserve previous button states */ 3574 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3575 } 3576 break; 3577 3578 case MOUSE_MODEL_SYNAPTICS: 3579 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) { 3580 VLOG(3, (LOG_DEBUG, "synaptics: " 3581 "packet rejected\n")); 3582 goto next; 3583 } 3584 break; 3585 3586 case MOUSE_MODEL_TRACKPOINT: 3587 case MOUSE_MODEL_GENERIC: 3588 default: 3589 break; 3590 } 3591 3592 /* scale values */ 3593 if (sc->mode.accelfactor >= 1) { 3594 if (x != 0) { 3595 x = x * x / sc->mode.accelfactor; 3596 if (x == 0) 3597 x = 1; 3598 if (c & MOUSE_PS2_XNEG) 3599 x = -x; 3600 } 3601 if (y != 0) { 3602 y = y * y / sc->mode.accelfactor; 3603 if (y == 0) 3604 y = 1; 3605 if (c & MOUSE_PS2_YNEG) 3606 y = -y; 3607 } 3608 } 3609 3610 ms.dx = x; 3611 ms.dy = y; 3612 ms.dz = z; 3613 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3614 (ms.obutton ^ ms.button); 3615 3616 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3617 3618 sc->status.flags |= ms.flags; 3619 sc->status.dx += ms.dx; 3620 sc->status.dy += ms.dy; 3621 sc->status.dz += ms.dz; 3622 sc->status.button = ms.button; 3623 sc->button = ms.button; 3624 3625next_native: 3626 sc->watchdog = FALSE; 3627 3628 /* queue data */ 3629 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3630 l = imin(pb->inputbytes, 3631 sizeof(sc->queue.buf) - sc->queue.tail); 3632 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3633 if (pb->inputbytes > l) 3634 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3635 pb->inputbytes - l); 3636 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3637 sizeof(sc->queue.buf); 3638 sc->queue.count += pb->inputbytes; 3639 } 3640 3641next: 3642 pb->inputbytes = 0; 3643 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3644 sc->pqueue_start = 0; 3645 } while (sc->pqueue_start != sc->pqueue_end); 3646 3647 if (sc->state & PSM_ASLP) { 3648 sc->state &= ~PSM_ASLP; 3649 wakeup(sc); 3650 } 3651 selwakeuppri(&sc->rsel, PZERO); 3652 if (sc->async != NULL) { 3653 pgsigio(&sc->async, SIGIO, 0); 3654 } 3655 sc->state &= ~PSM_SOFTARMED; 3656 splx(s); 3657} 3658 3659static int 3660psmpoll(struct cdev *dev, int events, struct thread *td) 3661{ 3662 struct psm_softc *sc = dev->si_drv1; 3663 int s; 3664 int revents = 0; 3665 3666 /* Return true if a mouse event available */ 3667 s = spltty(); 3668 if (events & (POLLIN | POLLRDNORM)) { 3669 if (sc->queue.count > 0) 3670 revents |= events & (POLLIN | POLLRDNORM); 3671 else 3672 selrecord(td, &sc->rsel); 3673 } 3674 splx(s); 3675 3676 return (revents); 3677} 3678 3679/* vendor/model specific routines */ 3680 3681static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3682{ 3683 if (set_mouse_resolution(kbdc, res) != res) 3684 return (FALSE); 3685 if (set_mouse_scaling(kbdc, scale) && 3686 set_mouse_scaling(kbdc, scale) && 3687 set_mouse_scaling(kbdc, scale) && 3688 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3689 return (TRUE); 3690 return (FALSE); 3691} 3692 3693static int 3694mouse_ext_command(KBDC kbdc, int command) 3695{ 3696 int c; 3697 3698 c = (command >> 6) & 0x03; 3699 if (set_mouse_resolution(kbdc, c) != c) 3700 return (FALSE); 3701 c = (command >> 4) & 0x03; 3702 if (set_mouse_resolution(kbdc, c) != c) 3703 return (FALSE); 3704 c = (command >> 2) & 0x03; 3705 if (set_mouse_resolution(kbdc, c) != c) 3706 return (FALSE); 3707 c = (command >> 0) & 0x03; 3708 if (set_mouse_resolution(kbdc, c) != c) 3709 return (FALSE); 3710 return (TRUE); 3711} 3712 3713#ifdef notyet 3714/* Logitech MouseMan Cordless II */ 3715static int 3716enable_lcordless(KDBC kbdc, struct psm_softc *sc) 3717{ 3718 int status[3]; 3719 int ch; 3720 3721 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 3722 return (FALSE); 3723 if (status[1] == PSMD_RES_HIGH) 3724 return (FALSE); 3725 ch = (status[0] & 0x07) - 1; /* channel # */ 3726 if ((ch <= 0) || (ch > 4)) 3727 return (FALSE); 3728 /* 3729 * status[1]: always one? 3730 * status[2]: battery status? (0-100) 3731 */ 3732 return (TRUE); 3733} 3734#endif /* notyet */ 3735 3736/* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3737static int 3738enable_groller(KBDC kbdc, struct psm_softc *sc) 3739{ 3740 int status[3]; 3741 3742 /* 3743 * The special sequence to enable the fourth button and the 3744 * roller. Immediately after this sequence check status bytes. 3745 * if the mouse is NetScroll, the second and the third bytes are 3746 * '3' and 'D'. 3747 */ 3748 3749 /* 3750 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3751 * look like the following. 3752 * 3753 * byte 1 bit 7 always 0 3754 * bit 6 stream mode (0) 3755 * bit 5 disabled (0) 3756 * bit 4 1:1 scaling (0) 3757 * bit 3 always 0 3758 * bit 0-2 button status 3759 * byte 2 resolution (PSMD_RES_HIGH) 3760 * byte 3 report rate (?) 3761 */ 3762 3763 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 3764 return (FALSE); 3765 if ((status[1] != '3') || (status[2] != 'D')) 3766 return (FALSE); 3767 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3768 if (sc != NULL) 3769 sc->hw.buttons = 4; 3770 return (TRUE); 3771} 3772 3773/* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3774static int 3775enable_gmouse(KBDC kbdc, struct psm_softc *sc) 3776{ 3777 int status[3]; 3778 3779 /* 3780 * The special sequence to enable the middle, "rubber" button. 3781 * Immediately after this sequence check status bytes. 3782 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3783 * the second and the third bytes are '3' and 'U'. 3784 * NOTE: NetMouse reports that it has three buttons although it has 3785 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3786 * say they have three buttons too and they do have a button on the 3787 * side... 3788 */ 3789 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 3790 return (FALSE); 3791 if ((status[1] != '3') || (status[2] != 'U')) 3792 return (FALSE); 3793 return (TRUE); 3794} 3795 3796/* ALPS GlidePoint */ 3797static int 3798enable_aglide(KBDC kbdc, struct psm_softc *sc) 3799{ 3800 int status[3]; 3801 3802 /* 3803 * The special sequence to obtain ALPS GlidePoint specific 3804 * information. Immediately after this sequence, status bytes will 3805 * contain something interesting. 3806 * NOTE: ALPS produces several models of GlidePoint. Some of those 3807 * do not respond to this sequence, thus, cannot be detected this way. 3808 */ 3809 if (set_mouse_sampling_rate(kbdc, 100) != 100) 3810 return (FALSE); 3811 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 3812 return (FALSE); 3813 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3814 return (FALSE); 3815 return (TRUE); 3816} 3817 3818/* Kensington ThinkingMouse/Trackball */ 3819static int 3820enable_kmouse(KBDC kbdc, struct psm_softc *sc) 3821{ 3822 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3823 int status[3]; 3824 int id1; 3825 int id2; 3826 int i; 3827 3828 id1 = get_aux_id(kbdc); 3829 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3830 return (FALSE); 3831 /* 3832 * The device is now in the native mode? It returns a different 3833 * ID value... 3834 */ 3835 id2 = get_aux_id(kbdc); 3836 if ((id1 == id2) || (id2 != 2)) 3837 return (FALSE); 3838 3839 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3840 return (FALSE); 3841#if PSM_DEBUG >= 2 3842 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3843 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3844 return (FALSE); 3845#endif 3846 3847 /* 3848 * The special sequence to enable the third and fourth buttons. 3849 * Otherwise they behave like the first and second buttons. 3850 */ 3851 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3852 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3853 return (FALSE); 3854 3855 /* 3856 * At this point, the device is using default resolution and 3857 * sampling rate for the native mode. 3858 */ 3859 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3860 return (FALSE); 3861 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3862 return (FALSE); 3863 3864 /* the device appears be enabled by this sequence, diable it for now */ 3865 disable_aux_dev(kbdc); 3866 empty_aux_buffer(kbdc, 5); 3867 3868 return (TRUE); 3869} 3870 3871/* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3872static int 3873enable_mmanplus(KBDC kbdc, struct psm_softc *sc) 3874{ 3875 int data[3]; 3876 3877 /* the special sequence to enable the fourth button and the roller. */ 3878 /* 3879 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3880 * must be called exactly three times since the last RESET command 3881 * before this sequence. XXX 3882 */ 3883 if (!set_mouse_scaling(kbdc, 1)) 3884 return (FALSE); 3885 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3886 return (FALSE); 3887 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3888 return (FALSE); 3889 3890 /* 3891 * PS2++ protocol, packet type 0 3892 * 3893 * b7 b6 b5 b4 b3 b2 b1 b0 3894 * byte 1: * 1 p3 p2 1 * * * 3895 * byte 2: 1 1 p1 p0 m1 m0 1 0 3896 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3897 * 3898 * p3-p0: packet type: 0 3899 * m7-m0: model ID: MouseMan+:0x50, 3900 * FirstMouse+:0x51, 3901 * ScrollPoint:0x58... 3902 */ 3903 /* check constant bits */ 3904 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3905 return (FALSE); 3906 if ((data[1] & 0xc3) != 0xc2) 3907 return (FALSE); 3908 /* check d3-d0 in byte 2 */ 3909 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3910 return (FALSE); 3911 /* check p3-p0 */ 3912 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3913 return (FALSE); 3914 3915 if (sc != NULL) { 3916 sc->hw.hwid &= 0x00ff; 3917 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3918 } 3919 3920 /* 3921 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3922 * the wheel and the fourth button events are encoded in the 3923 * special data packet. The mouse may be put in the IntelliMouse mode 3924 * if it is initialized by the IntelliMouse's method. 3925 */ 3926 return (TRUE); 3927} 3928 3929/* MS IntelliMouse Explorer */ 3930static int 3931enable_msexplorer(KBDC kbdc, struct psm_softc *sc) 3932{ 3933 static u_char rate0[] = { 200, 100, 80, }; 3934 static u_char rate1[] = { 200, 200, 80, }; 3935 int id; 3936 int i; 3937 3938 /* 3939 * This is needed for at least A4Tech X-7xx mice - they do not go 3940 * straight to Explorer mode, but need to be set to Intelli mode 3941 * first. 3942 */ 3943 enable_msintelli(kbdc, sc); 3944 3945 /* the special sequence to enable the extra buttons and the roller. */ 3946 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) 3947 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3948 return (FALSE); 3949 /* the device will give the genuine ID only after the above sequence */ 3950 id = get_aux_id(kbdc); 3951 if (id != PSM_EXPLORER_ID) 3952 return (FALSE); 3953 3954 if (sc != NULL) { 3955 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3956 sc->hw.hwid = id; 3957 } 3958 3959 /* 3960 * XXX: this is a kludge to fool some KVM switch products 3961 * which think they are clever enough to know the 4-byte IntelliMouse 3962 * protocol, and assume any other protocols use 3-byte packets. 3963 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3964 * correctly to the host computer because of this! 3965 * The following sequence is actually IntelliMouse's "wake up" 3966 * sequence; it will make the KVM think the mouse is IntelliMouse 3967 * when it is in fact IntelliMouse Explorer. 3968 */ 3969 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) 3970 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3971 break; 3972 get_aux_id(kbdc); 3973 3974 return (TRUE); 3975} 3976 3977/* MS IntelliMouse */ 3978static int 3979enable_msintelli(KBDC kbdc, struct psm_softc *sc) 3980{ 3981 /* 3982 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3983 * probe routine and act like IntelliMouse. 3984 */ 3985 3986 static u_char rate[] = { 200, 100, 80, }; 3987 int id; 3988 int i; 3989 3990 /* the special sequence to enable the third button and the roller. */ 3991 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3992 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3993 return (FALSE); 3994 /* the device will give the genuine ID only after the above sequence */ 3995 id = get_aux_id(kbdc); 3996 if (id != PSM_INTELLI_ID) 3997 return (FALSE); 3998 3999 if (sc != NULL) { 4000 sc->hw.buttons = 3; 4001 sc->hw.hwid = id; 4002 } 4003 4004 return (TRUE); 4005} 4006 4007/* A4 Tech 4D Mouse */ 4008static int 4009enable_4dmouse(KBDC kbdc, struct psm_softc *sc) 4010{ 4011 /* 4012 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 4013 */ 4014 4015 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 4016 int id; 4017 int i; 4018 4019 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 4020 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 4021 return (FALSE); 4022 id = get_aux_id(kbdc); 4023 /* 4024 * WinEasy 4D, 4 Way Scroll 4D: 6 4025 * Cable-Free 4D: 8 (4DPLUS) 4026 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 4027 */ 4028 if (id != PSM_4DMOUSE_ID) 4029 return (FALSE); 4030 4031 if (sc != NULL) { 4032 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 4033 sc->hw.hwid = id; 4034 } 4035 4036 return (TRUE); 4037} 4038 4039/* A4 Tech 4D+ Mouse */ 4040static int 4041enable_4dplus(KBDC kbdc, struct psm_softc *sc) 4042{ 4043 /* 4044 * Newer wheel mice from A4 Tech seem to use this protocol. 4045 * Older models are recognized as either 4D Mouse or IntelliMouse. 4046 */ 4047 int id; 4048 4049 /* 4050 * enable_4dmouse() already issued the following ID sequence... 4051 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 4052 int i; 4053 4054 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 4055 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 4056 return (FALSE); 4057 */ 4058 4059 id = get_aux_id(kbdc); 4060 switch (id) { 4061 case PSM_4DPLUS_ID: 4062 break; 4063 case PSM_4DPLUS_RFSW35_ID: 4064 break; 4065 default: 4066 return (FALSE); 4067 } 4068 4069 if (sc != NULL) { 4070 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 4071 sc->hw.hwid = id; 4072 } 4073 4074 return (TRUE); 4075} 4076 4077/* Synaptics Touchpad */ 4078static int 4079synaptics_sysctl(SYSCTL_HANDLER_ARGS) 4080{ 4081 int error, arg; 4082 4083 /* Read the current value. */ 4084 arg = *(int *)oidp->oid_arg1; 4085 error = sysctl_handle_int(oidp, &arg, 0, req); 4086 4087 /* Sanity check. */ 4088 if (error || !req->newptr) 4089 return (error); 4090 4091 /* 4092 * Check that the new value is in the concerned node's range 4093 * of values. 4094 */ 4095 switch (oidp->oid_arg2) { 4096 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 4097 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 4098 if (arg < 0 || arg > 255) 4099 return (EINVAL); 4100 break; 4101 case SYNAPTICS_SYSCTL_MAX_WIDTH: 4102 if (arg < 4 || arg > 15) 4103 return (EINVAL); 4104 break; 4105 case SYNAPTICS_SYSCTL_MARGIN_TOP: 4106 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 4107 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 4108 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 4109 case SYNAPTICS_SYSCTL_NA_TOP: 4110 case SYNAPTICS_SYSCTL_NA_RIGHT: 4111 case SYNAPTICS_SYSCTL_NA_BOTTOM: 4112 case SYNAPTICS_SYSCTL_NA_LEFT: 4113 if (arg < 0 || arg > 6143) 4114 return (EINVAL); 4115 break; 4116 case SYNAPTICS_SYSCTL_WINDOW_MIN: 4117 case SYNAPTICS_SYSCTL_WINDOW_MAX: 4118 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 4119 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 4120 return (EINVAL); 4121 break; 4122 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 4123 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 4124 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 4125 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 4126 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 4127 case SYNAPTICS_SYSCTL_DIV_MIN: 4128 case SYNAPTICS_SYSCTL_DIV_MAX: 4129 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 4130 case SYNAPTICS_SYSCTL_DIV_LEN: 4131 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 4132 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 4133 if (arg < 1) 4134 return (EINVAL); 4135 break; 4136 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 4137 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 4138 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 4139 if (arg < 0) 4140 return (EINVAL); 4141 break; 4142 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 4143 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 4144 if (arg < -6143 || arg > 6143) 4145 return (EINVAL); 4146 break; 4147 case SYNAPTICS_SYSCTL_TOUCHPAD_OFF: 4148 if (arg < 0 || arg > 1) 4149 return (EINVAL); 4150 break; 4151 default: 4152 return (EINVAL); 4153 } 4154 4155 /* Update. */ 4156 *(int *)oidp->oid_arg1 = arg; 4157 4158 return (error); 4159} 4160 4161static void 4162synaptics_sysctl_create_tree(struct psm_softc *sc) 4163{ 4164 4165 if (sc->syninfo.sysctl_tree != NULL) 4166 return; 4167 4168 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 4169 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 4170 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 4171 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 4172 0, "Synaptics TouchPad"); 4173 4174 /* hw.psm.synaptics.directional_scrolls. */ 4175 sc->syninfo.directional_scrolls = 0; 4176 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4177 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4178 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4179 &sc->syninfo.directional_scrolls, 0, 4180 "Enable hardware scrolling pad (if non-zero) or register it as " 4181 "extended buttons (if 0)"); 4182 4183 /* 4184 * Turn off two finger scroll if we have a 4185 * physical area reserved for scrolling or when 4186 * there's no multi finger support. 4187 */ 4188 if (sc->synhw.verticalScroll || sc->synhw.capMultiFinger == 0) 4189 sc->syninfo.two_finger_scroll = 0; 4190 else 4191 sc->syninfo.two_finger_scroll = 1; 4192 /* hw.psm.synaptics.two_finger_scroll. */ 4193 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4194 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4195 "two_finger_scroll", CTLFLAG_RW|CTLFLAG_ANYBODY, 4196 &sc->syninfo.two_finger_scroll, 0, 4197 "Enable two finger scrolling"); 4198 4199 /* hw.psm.synaptics.min_pressure. */ 4200 sc->syninfo.min_pressure = 16; 4201 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4202 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4203 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4204 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4205 synaptics_sysctl, "I", 4206 "Minimum pressure required to start an action"); 4207 4208 /* hw.psm.synaptics.max_pressure. */ 4209 sc->syninfo.max_pressure = 220; 4210 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4211 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4212 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4213 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4214 synaptics_sysctl, "I", 4215 "Maximum pressure to detect palm"); 4216 4217 /* hw.psm.synaptics.max_width. */ 4218 sc->syninfo.max_width = 10; 4219 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4220 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4221 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4222 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4223 synaptics_sysctl, "I", 4224 "Maximum finger width to detect palm"); 4225 4226 /* hw.psm.synaptics.top_margin. */ 4227 sc->syninfo.margin_top = 200; 4228 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4229 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4230 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4231 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4232 synaptics_sysctl, "I", 4233 "Top margin"); 4234 4235 /* hw.psm.synaptics.right_margin. */ 4236 sc->syninfo.margin_right = 200; 4237 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4238 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4239 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4240 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4241 synaptics_sysctl, "I", 4242 "Right margin"); 4243 4244 /* hw.psm.synaptics.bottom_margin. */ 4245 sc->syninfo.margin_bottom = 200; 4246 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4247 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4248 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4249 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4250 synaptics_sysctl, "I", 4251 "Bottom margin"); 4252 4253 /* hw.psm.synaptics.left_margin. */ 4254 sc->syninfo.margin_left = 200; 4255 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4256 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4257 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4258 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4259 synaptics_sysctl, "I", 4260 "Left margin"); 4261 4262 /* hw.psm.synaptics.na_top. */ 4263 sc->syninfo.na_top = 1783; 4264 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4265 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4266 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4267 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4268 synaptics_sysctl, "I", 4269 "Top noisy area, where weight_previous_na is used instead " 4270 "of weight_previous"); 4271 4272 /* hw.psm.synaptics.na_right. */ 4273 sc->syninfo.na_right = 563; 4274 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4275 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4276 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4277 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4278 synaptics_sysctl, "I", 4279 "Right noisy area, where weight_previous_na is used instead " 4280 "of weight_previous"); 4281 4282 /* hw.psm.synaptics.na_bottom. */ 4283 sc->syninfo.na_bottom = 1408; 4284 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4285 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4286 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4287 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4288 synaptics_sysctl, "I", 4289 "Bottom noisy area, where weight_previous_na is used instead " 4290 "of weight_previous"); 4291 4292 /* hw.psm.synaptics.na_left. */ 4293 sc->syninfo.na_left = 1600; 4294 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4295 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4296 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4297 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4298 synaptics_sysctl, "I", 4299 "Left noisy area, where weight_previous_na is used instead " 4300 "of weight_previous"); 4301 4302 /* hw.psm.synaptics.window_min. */ 4303 sc->syninfo.window_min = 4; 4304 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4305 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4306 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4307 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4308 synaptics_sysctl, "I", 4309 "Minimum window size to start an action"); 4310 4311 /* hw.psm.synaptics.window_max. */ 4312 sc->syninfo.window_max = 10; 4313 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4314 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4315 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4316 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4317 synaptics_sysctl, "I", 4318 "Maximum window size"); 4319 4320 /* hw.psm.synaptics.multiplicator. */ 4321 sc->syninfo.multiplicator = 10000; 4322 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4323 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4324 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4325 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4326 synaptics_sysctl, "I", 4327 "Multiplicator to increase precision in averages and divisions"); 4328 4329 /* hw.psm.synaptics.weight_current. */ 4330 sc->syninfo.weight_current = 3; 4331 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4332 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4333 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4334 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4335 synaptics_sysctl, "I", 4336 "Weight of the current movement in the new average"); 4337 4338 /* hw.psm.synaptics.weight_previous. */ 4339 sc->syninfo.weight_previous = 6; 4340 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4341 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4342 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4343 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4344 synaptics_sysctl, "I", 4345 "Weight of the previous average"); 4346 4347 /* hw.psm.synaptics.weight_previous_na. */ 4348 sc->syninfo.weight_previous_na = 20; 4349 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4350 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4351 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4352 &sc->syninfo.weight_previous_na, 4353 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4354 synaptics_sysctl, "I", 4355 "Weight of the previous average (inside the noisy area)"); 4356 4357 /* hw.psm.synaptics.weight_len_squared. */ 4358 sc->syninfo.weight_len_squared = 2000; 4359 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4360 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4361 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4362 &sc->syninfo.weight_len_squared, 4363 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4364 synaptics_sysctl, "I", 4365 "Length (squared) of segments where weight_previous " 4366 "starts to decrease"); 4367 4368 /* hw.psm.synaptics.div_min. */ 4369 sc->syninfo.div_min = 9; 4370 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4371 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4372 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4373 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4374 synaptics_sysctl, "I", 4375 "Divisor for fast movements"); 4376 4377 /* hw.psm.synaptics.div_max. */ 4378 sc->syninfo.div_max = 17; 4379 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4380 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4381 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4382 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4383 synaptics_sysctl, "I", 4384 "Divisor for slow movements"); 4385 4386 /* hw.psm.synaptics.div_max_na. */ 4387 sc->syninfo.div_max_na = 30; 4388 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4389 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4390 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4391 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4392 synaptics_sysctl, "I", 4393 "Divisor with slow movements (inside the noisy area)"); 4394 4395 /* hw.psm.synaptics.div_len. */ 4396 sc->syninfo.div_len = 100; 4397 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4398 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4399 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4400 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4401 synaptics_sysctl, "I", 4402 "Length of segments where div_max starts to decrease"); 4403 4404 /* hw.psm.synaptics.tap_max_delta. */ 4405 sc->syninfo.tap_max_delta = 80; 4406 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4407 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4408 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4409 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4410 synaptics_sysctl, "I", 4411 "Length of segments above which a tap is ignored"); 4412 4413 /* hw.psm.synaptics.tap_min_queue. */ 4414 sc->syninfo.tap_min_queue = 2; 4415 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4416 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4417 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4418 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4419 synaptics_sysctl, "I", 4420 "Number of packets required to consider a tap"); 4421 4422 /* hw.psm.synaptics.taphold_timeout. */ 4423 sc->synaction.in_taphold = 0; 4424 sc->syninfo.taphold_timeout = tap_timeout; 4425 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4426 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4427 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4428 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4429 synaptics_sysctl, "I", 4430 "Maximum elapsed time between two taps to consider a tap-hold " 4431 "action"); 4432 4433 /* hw.psm.synaptics.vscroll_hor_area. */ 4434 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4435 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4436 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4437 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4438 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4439 synaptics_sysctl, "I", 4440 "Area reserved for horizontal virtual scrolling"); 4441 4442 /* hw.psm.synaptics.vscroll_ver_area. */ 4443 sc->syninfo.vscroll_ver_area = -600; 4444 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4445 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4446 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4447 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4448 synaptics_sysctl, "I", 4449 "Area reserved for vertical virtual scrolling"); 4450 4451 /* hw.psm.synaptics.vscroll_min_delta. */ 4452 sc->syninfo.vscroll_min_delta = 50; 4453 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4454 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4455 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4456 &sc->syninfo.vscroll_min_delta, 4457 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4458 synaptics_sysctl, "I", 4459 "Minimum movement to consider virtual scrolling"); 4460 4461 /* hw.psm.synaptics.vscroll_div_min. */ 4462 sc->syninfo.vscroll_div_min = 100; 4463 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4464 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4465 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4466 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4467 synaptics_sysctl, "I", 4468 "Divisor for fast scrolling"); 4469 4470 /* hw.psm.synaptics.vscroll_div_min. */ 4471 sc->syninfo.vscroll_div_max = 150; 4472 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4473 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4474 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4475 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4476 synaptics_sysctl, "I", 4477 "Divisor for slow scrolling"); 4478 4479 /* hw.psm.synaptics.touchpad_off. */ 4480 sc->syninfo.touchpad_off = 0; 4481 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4482 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4483 "touchpad_off", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4484 &sc->syninfo.touchpad_off, SYNAPTICS_SYSCTL_TOUCHPAD_OFF, 4485 synaptics_sysctl, "I", 4486 "Turn off touchpad"); 4487} 4488 4489static int 4490enable_synaptics(KBDC kbdc, struct psm_softc *sc) 4491{ 4492 synapticshw_t synhw; 4493 int status[3]; 4494 int buttons; 4495 4496 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4497 4498 /* 4499 * Just to be on the safe side: this avoids troubles with 4500 * following mouse_ext_command() when the previous command 4501 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4502 * Synaptics Touchpad behaviour. 4503 */ 4504 set_mouse_scaling(kbdc, 1); 4505 4506 /* Identify the Touchpad version. */ 4507 if (mouse_ext_command(kbdc, 0) == 0) 4508 return (FALSE); 4509 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4510 return (FALSE); 4511 if (status[1] != 0x47) 4512 return (FALSE); 4513 4514 bzero(&synhw, sizeof(synhw)); 4515 synhw.infoMinor = status[0]; 4516 synhw.infoMajor = status[2] & 0x0f; 4517 4518 if (verbose >= 2) 4519 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 4520 synhw.infoMinor); 4521 4522 if (synhw.infoMajor < 4) { 4523 printf(" Unsupported (pre-v4) Touchpad detected\n"); 4524 return (FALSE); 4525 } 4526 4527 /* Get the Touchpad model information. */ 4528 if (mouse_ext_command(kbdc, 3) == 0) 4529 return (FALSE); 4530 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4531 return (FALSE); 4532 if ((status[1] & 0x01) != 0) { 4533 printf(" Failed to read model information\n"); 4534 return (FALSE); 4535 } 4536 4537 synhw.infoRot180 = (status[0] & 0x80) != 0; 4538 synhw.infoPortrait = (status[0] & 0x40) != 0; 4539 synhw.infoSensor = status[0] & 0x3f; 4540 synhw.infoHardware = (status[1] & 0xfe) >> 1; 4541 synhw.infoNewAbs = (status[2] & 0x80) != 0; 4542 synhw.capPen = (status[2] & 0x40) != 0; 4543 synhw.infoSimplC = (status[2] & 0x20) != 0; 4544 synhw.infoGeometry = status[2] & 0x0f; 4545 4546 if (verbose >= 2) { 4547 printf(" Model information:\n"); 4548 printf(" infoRot180: %d\n", synhw.infoRot180); 4549 printf(" infoPortrait: %d\n", synhw.infoPortrait); 4550 printf(" infoSensor: %d\n", synhw.infoSensor); 4551 printf(" infoHardware: %d\n", synhw.infoHardware); 4552 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 4553 printf(" capPen: %d\n", synhw.capPen); 4554 printf(" infoSimplC: %d\n", synhw.infoSimplC); 4555 printf(" infoGeometry: %d\n", synhw.infoGeometry); 4556 } 4557 4558 /* Read the extended capability bits. */ 4559 if (mouse_ext_command(kbdc, 2) == 0) 4560 return (FALSE); 4561 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4562 return (FALSE); 4563 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 4564 printf(" Failed to read extended capability bits\n"); 4565 return (FALSE); 4566 } 4567 4568 /* Set the different capabilities when they exist. */ 4569 buttons = 0; 4570 synhw.capExtended = (status[0] & 0x80) != 0; 4571 if (synhw.capExtended) { 4572 synhw.nExtendedQueries = (status[0] & 0x70) != 0; 4573 synhw.capMiddle = (status[0] & 0x04) != 0; 4574 synhw.capPassthrough = (status[2] & 0x80) != 0; 4575 synhw.capSleep = (status[2] & 0x10) != 0; 4576 synhw.capFourButtons = (status[2] & 0x08) != 0; 4577 synhw.capMultiFinger = (status[2] & 0x02) != 0; 4578 synhw.capPalmDetect = (status[2] & 0x01) != 0; 4579 4580 if (verbose >= 2) { 4581 printf(" Extended capabilities:\n"); 4582 printf(" capExtended: %d\n", synhw.capExtended); 4583 printf(" capMiddle: %d\n", synhw.capMiddle); 4584 printf(" nExtendedQueries: %d\n", 4585 synhw.nExtendedQueries); 4586 printf(" capPassthrough: %d\n", synhw.capPassthrough); 4587 printf(" capSleep: %d\n", synhw.capSleep); 4588 printf(" capFourButtons: %d\n", synhw.capFourButtons); 4589 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 4590 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 4591 } 4592 4593 /* 4594 * If nExtendedQueries is 1 or greater, then the TouchPad 4595 * supports this number of extended queries. We can load 4596 * more information about buttons using query 0x09. 4597 */ 4598 if (synhw.capExtended && synhw.nExtendedQueries) { 4599 if (mouse_ext_command(kbdc, 0x09) == 0) 4600 return (FALSE); 4601 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4602 return (FALSE); 4603 synhw.verticalScroll = (status[0] & 0x01) != 0; 4604 synhw.horizontalScroll = (status[0] & 0x02) != 0; 4605 synhw.verticalWheel = (status[0] & 0x08) != 0; 4606 synhw.nExtendedButtons = (status[1] & 0xf0) >> 4; 4607 if (verbose >= 2) { 4608 printf(" Extended model ID:\n"); 4609 printf(" verticalScroll: %d\n", 4610 synhw.verticalScroll); 4611 printf(" horizontalScroll: %d\n", 4612 synhw.horizontalScroll); 4613 printf(" verticalWheel: %d\n", 4614 synhw.verticalWheel); 4615 printf(" nExtendedButtons: %d\n", 4616 synhw.nExtendedButtons); 4617 } 4618 /* 4619 * Add the number of extended buttons to the total 4620 * button support count, including the middle button 4621 * if capMiddle support bit is set. 4622 */ 4623 buttons = synhw.nExtendedButtons + synhw.capMiddle; 4624 } else 4625 /* 4626 * If the capFourButtons support bit is set, 4627 * add a fourth button to the total button count. 4628 */ 4629 buttons = synhw.capFourButtons ? 1 : 0; 4630 } 4631 if (verbose >= 2) { 4632 if (synhw.capExtended) 4633 printf(" Additional Buttons: %d\n", buttons); 4634 else 4635 printf(" No extended capabilities\n"); 4636 } 4637 4638 /* Read the continued capabilities bits. */ 4639 if (mouse_ext_command(kbdc, 0xc) != 0 && 4640 get_mouse_status(kbdc, status, 0, 3) == 3) { 4641 synhw.capClickPad = (status[1] & 0x01) << 1; 4642 synhw.capClickPad |= (status[0] & 0x10) != 0; 4643 synhw.capDeluxeLEDs = (status[1] & 0x02) != 0; 4644 synhw.noAbsoluteFilter = (status[1] & 0x04) != 0; 4645 synhw.capReportsV = (status[1] & 0x08) != 0; 4646 synhw.capUniformClickPad = (status[1] & 0x10) != 0; 4647 synhw.capReportsMin = (status[1] & 0x20) != 0; 4648 synhw.capInterTouch = (status[1] & 0x40) != 0; 4649 synhw.capReportsMax = (status[2] & 0x02) != 0; 4650 synhw.capClearPad = (status[2] & 0x04) != 0; 4651 synhw.capAdvancedGestures = (status[2] & 0x08) != 0; 4652 synhw.capCoveredPad = (status[2] & 0x80) != 0; 4653 4654 if (verbose >= 2) { 4655 printf(" Continued capabilities:\n"); 4656 printf(" capClickPad: %d\n", synhw.capClickPad); 4657 printf(" capDeluxeLEDs: %d\n", synhw.capDeluxeLEDs); 4658 printf(" noAbsoluteFilter: %d\n", 4659 synhw.noAbsoluteFilter); 4660 printf(" capReportsV: %d\n", synhw.capReportsV); 4661 printf(" capUniformClickPad: %d\n", 4662 synhw.capUniformClickPad); 4663 printf(" capReportsMin: %d\n", synhw.capReportsMin); 4664 printf(" capInterTouch: %d\n", synhw.capInterTouch); 4665 printf(" capReportsMax: %d\n", synhw.capReportsMax); 4666 printf(" capClearPad: %d\n", synhw.capClearPad); 4667 printf(" capAdvancedGestures: %d\n", 4668 synhw.capAdvancedGestures); 4669 printf(" capCoveredPad: %d\n", synhw.capCoveredPad); 4670 } 4671 buttons += synhw.capClickPad; 4672 } 4673 4674 /* 4675 * Add the default number of 3 buttons to the total 4676 * count of supported buttons reported above. 4677 */ 4678 buttons += 3; 4679 4680 /* 4681 * Read the mode byte. 4682 * 4683 * XXX: Note the Synaptics documentation also defines the first 4684 * byte of the response to this query to be a constant 0x3b, this 4685 * does not appear to be true for Touchpads with guest devices. 4686 */ 4687 if (mouse_ext_command(kbdc, 1) == 0) 4688 return (FALSE); 4689 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4690 return (FALSE); 4691 if (!SYNAPTICS_VERSION_GE(synhw, 7, 5) && status[1] != 0x47) { 4692 printf(" Failed to read mode byte\n"); 4693 return (FALSE); 4694 } 4695 4696 if (sc != NULL) 4697 sc->synhw = synhw; 4698 if (!synaptics_support) 4699 return (FALSE); 4700 4701 /* Set the mode byte; request wmode where available. */ 4702 mouse_ext_command(kbdc, synhw.capExtended ? 0xc1 : 0xc0); 4703 4704 /* "Commit" the Set Mode Byte command sent above. */ 4705 set_mouse_sampling_rate(kbdc, 20); 4706 4707 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 4708 4709 if (sc != NULL) { 4710 if (trackpoint_support && synhw.capPassthrough) { 4711 synaptics_passthrough_on(sc); 4712 enable_trackpoint(kbdc, sc); 4713 synaptics_passthrough_off(sc); 4714 } 4715 /* Create sysctl tree. */ 4716 synaptics_sysctl_create_tree(sc); 4717 sc->hw.buttons = buttons; 4718 } 4719 4720 return (TRUE); 4721} 4722 4723static void 4724synaptics_passthrough_on(struct psm_softc *sc) 4725{ 4726 int mode_byte; 4727 4728 mode_byte = 0xc1 | (1 << 5); 4729 VLOG(2, (LOG_NOTICE, "psm: setting pass-through mode. %d\n", 4730 mode_byte)); 4731 mouse_ext_command(sc->kbdc, mode_byte); 4732 4733 /* "Commit" the Set Mode Byte command sent above. */ 4734 set_mouse_sampling_rate(sc->kbdc, 20); 4735} 4736 4737static void 4738synaptics_passthrough_off(struct psm_softc *sc) 4739{ 4740 int mode_byte; 4741 4742 mode_byte = 0xc1; 4743 VLOG(2, (LOG_NOTICE, "psm: turning pass-through mode off.\n")); 4744 set_mouse_scaling(sc->kbdc, 2); 4745 set_mouse_scaling(sc->kbdc, 1); 4746 mouse_ext_command(sc->kbdc, mode_byte); 4747 4748 /* "Commit" the Set Mode Byte command sent above. */ 4749 set_mouse_sampling_rate(sc->kbdc, 20); 4750} 4751 4752/* IBM/Lenovo TrackPoint */ 4753static int 4754trackpoint_command(struct psm_softc *sc, int cmd, int loc, int val) 4755{ 4756 const int seq[] = { 0xe2, cmd, loc, val }; 4757 int i; 4758 4759 if (sc->synhw.capPassthrough) 4760 synaptics_passthrough_on(sc); 4761 4762 for (i = 0; i < nitems(seq); i++) { 4763 if (sc->synhw.capPassthrough && 4764 (seq[i] == 0xff || seq[i] == 0xe7)) 4765 if (send_aux_command(sc->kbdc, 0xe7) != PSM_ACK) { 4766 synaptics_passthrough_off(sc); 4767 return (EIO); 4768 } 4769 if (send_aux_command(sc->kbdc, seq[i]) != PSM_ACK) { 4770 if (sc->synhw.capPassthrough) 4771 synaptics_passthrough_off(sc); 4772 return (EIO); 4773 } 4774 } 4775 4776 if (sc->synhw.capPassthrough) 4777 synaptics_passthrough_off(sc); 4778 4779 return (0); 4780} 4781 4782#define PSM_TPINFO(x) offsetof(struct psm_softc, tpinfo.x) 4783#define TPMASK 0 4784#define TPLOC 1 4785#define TPINFO 2 4786 4787static int 4788trackpoint_sysctl(SYSCTL_HANDLER_ARGS) 4789{ 4790 static const int data[][3] = { 4791 { 0x00, 0x4a, PSM_TPINFO(sensitivity) }, 4792 { 0x00, 0x4d, PSM_TPINFO(inertia) }, 4793 { 0x00, 0x60, PSM_TPINFO(uplateau) }, 4794 { 0x00, 0x57, PSM_TPINFO(reach) }, 4795 { 0x00, 0x58, PSM_TPINFO(draghys) }, 4796 { 0x00, 0x59, PSM_TPINFO(mindrag) }, 4797 { 0x00, 0x5a, PSM_TPINFO(upthresh) }, 4798 { 0x00, 0x5c, PSM_TPINFO(threshold) }, 4799 { 0x00, 0x5d, PSM_TPINFO(jenks) }, 4800 { 0x00, 0x5e, PSM_TPINFO(ztime) }, 4801 { 0x01, 0x2c, PSM_TPINFO(pts) }, 4802 { 0x08, 0x2d, PSM_TPINFO(skipback) } 4803 }; 4804 struct psm_softc *sc; 4805 int error, newval, *oldvalp; 4806 const int *tp; 4807 4808 if (arg1 == NULL || arg2 < 0 || arg2 >= nitems(data)) 4809 return (EINVAL); 4810 sc = arg1; 4811 tp = data[arg2]; 4812 oldvalp = (int *)((intptr_t)sc + tp[TPINFO]); 4813 newval = *oldvalp; 4814 error = sysctl_handle_int(oidp, &newval, 0, req); 4815 if (error != 0) 4816 return (error); 4817 if (newval == *oldvalp) 4818 return (0); 4819 if (newval < 0 || newval > (tp[TPMASK] == 0 ? 255 : 1)) 4820 return (EINVAL); 4821 error = trackpoint_command(sc, tp[TPMASK] == 0 ? 0x81 : 0x47, 4822 tp[TPLOC], tp[TPMASK] == 0 ? newval : tp[TPMASK]); 4823 if (error != 0) 4824 return (error); 4825 *oldvalp = newval; 4826 4827 return (0); 4828} 4829 4830static void 4831trackpoint_sysctl_create_tree(struct psm_softc *sc) 4832{ 4833 4834 if (sc->tpinfo.sysctl_tree != NULL) 4835 return; 4836 4837 /* Attach extra trackpoint sysctl nodes under hw.psm.trackpoint */ 4838 sysctl_ctx_init(&sc->tpinfo.sysctl_ctx); 4839 sc->tpinfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->tpinfo.sysctl_ctx, 4840 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "trackpoint", CTLFLAG_RD, 4841 0, "IBM/Lenovo TrackPoint"); 4842 4843 /* hw.psm.trackpoint.sensitivity */ 4844 sc->tpinfo.sensitivity = 0x80; 4845 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4846 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4847 "sensitivity", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4848 sc, TRACKPOINT_SYSCTL_SENSITIVITY, 4849 trackpoint_sysctl, "I", 4850 "Sensitivity"); 4851 4852 /* hw.psm.trackpoint.negative_inertia */ 4853 sc->tpinfo.inertia = 0x06; 4854 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4855 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4856 "negative_inertia", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4857 sc, TRACKPOINT_SYSCTL_NEGATIVE_INERTIA, 4858 trackpoint_sysctl, "I", 4859 "Negative inertia factor"); 4860 4861 /* hw.psm.trackpoint.upper_plateau */ 4862 sc->tpinfo.uplateau = 0x61; 4863 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4864 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4865 "upper_plateau", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4866 sc, TRACKPOINT_SYSCTL_UPPER_PLATEAU, 4867 trackpoint_sysctl, "I", 4868 "Transfer function upper plateau speed"); 4869 4870 /* hw.psm.trackpoint.backup_range */ 4871 sc->tpinfo.reach = 0x0a; 4872 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4873 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4874 "backup_range", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4875 sc, TRACKPOINT_SYSCTL_BACKUP_RANGE, 4876 trackpoint_sysctl, "I", 4877 "Backup range"); 4878 4879 /* hw.psm.trackpoint.drag_hysteresis */ 4880 sc->tpinfo.draghys = 0xff; 4881 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4882 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4883 "drag_hysteresis", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4884 sc, TRACKPOINT_SYSCTL_DRAG_HYSTERESIS, 4885 trackpoint_sysctl, "I", 4886 "Drag hysteresis"); 4887 4888 /* hw.psm.trackpoint.minimum_drag */ 4889 sc->tpinfo.mindrag = 0x14; 4890 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4891 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4892 "minimum_drag", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4893 sc, TRACKPOINT_SYSCTL_MINIMUM_DRAG, 4894 trackpoint_sysctl, "I", 4895 "Minimum drag"); 4896 4897 /* hw.psm.trackpoint.up_threshold */ 4898 sc->tpinfo.upthresh = 0xff; 4899 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4900 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4901 "up_threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4902 sc, TRACKPOINT_SYSCTL_UP_THRESHOLD, 4903 trackpoint_sysctl, "I", 4904 "Up threshold for release"); 4905 4906 /* hw.psm.trackpoint.threshold */ 4907 sc->tpinfo.threshold = 0x08; 4908 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4909 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4910 "threshold", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4911 sc, TRACKPOINT_SYSCTL_THRESHOLD, 4912 trackpoint_sysctl, "I", 4913 "Threshold"); 4914 4915 /* hw.psm.trackpoint.jenks_curvature */ 4916 sc->tpinfo.jenks = 0x87; 4917 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4918 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4919 "jenks_curvature", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4920 sc, TRACKPOINT_SYSCTL_JENKS_CURVATURE, 4921 trackpoint_sysctl, "I", 4922 "Jenks curvature"); 4923 4924 /* hw.psm.trackpoint.z_time */ 4925 sc->tpinfo.ztime = 0x26; 4926 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4927 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4928 "z_time", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4929 sc, TRACKPOINT_SYSCTL_Z_TIME, 4930 trackpoint_sysctl, "I", 4931 "Z time constant"); 4932 4933 /* hw.psm.trackpoint.press_to_select */ 4934 sc->tpinfo.pts = 0x00; 4935 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4936 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4937 "press_to_select", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4938 sc, TRACKPOINT_SYSCTL_PRESS_TO_SELECT, 4939 trackpoint_sysctl, "I", 4940 "Press to Select"); 4941 4942 /* hw.psm.trackpoint.skip_backups */ 4943 sc->tpinfo.skipback = 0x00; 4944 SYSCTL_ADD_PROC(&sc->tpinfo.sysctl_ctx, 4945 SYSCTL_CHILDREN(sc->tpinfo.sysctl_tree), OID_AUTO, 4946 "skip_backups", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4947 sc, TRACKPOINT_SYSCTL_SKIP_BACKUPS, 4948 trackpoint_sysctl, "I", 4949 "Skip backups from drags"); 4950} 4951 4952static void 4953set_trackpoint_parameters(struct psm_softc *sc) 4954{ 4955 trackpoint_command(sc, 0x81, 0x4a, sc->tpinfo.sensitivity); 4956 trackpoint_command(sc, 0x81, 0x60, sc->tpinfo.uplateau); 4957 trackpoint_command(sc, 0x81, 0x4d, sc->tpinfo.inertia); 4958 trackpoint_command(sc, 0x81, 0x57, sc->tpinfo.reach); 4959 trackpoint_command(sc, 0x81, 0x58, sc->tpinfo.draghys); 4960 trackpoint_command(sc, 0x81, 0x59, sc->tpinfo.mindrag); 4961 trackpoint_command(sc, 0x81, 0x5a, sc->tpinfo.upthresh); 4962 trackpoint_command(sc, 0x81, 0x5c, sc->tpinfo.threshold); 4963 trackpoint_command(sc, 0x81, 0x5d, sc->tpinfo.jenks); 4964 trackpoint_command(sc, 0x81, 0x5e, sc->tpinfo.ztime); 4965 if (sc->tpinfo.pts == 0x01) 4966 trackpoint_command(sc, 0x47, 0x2c, 0x01); 4967 if (sc->tpinfo.skipback == 0x01) 4968 trackpoint_command(sc, 0x47, 0x2d, 0x08); 4969} 4970 4971static int 4972enable_trackpoint(KBDC kbdc, struct psm_softc *sc) 4973{ 4974 int id; 4975 4976 if (send_aux_command(kbdc, 0xe1) != PSM_ACK || 4977 read_aux_data(kbdc) != 0x01) 4978 return (FALSE); 4979 id = read_aux_data(kbdc); 4980 if (id < 0x01) 4981 return (FALSE); 4982 if (sc != NULL) 4983 sc->tphw = id; 4984 if (!trackpoint_support) 4985 return (FALSE); 4986 4987 if (sc != NULL) { 4988 /* Create sysctl tree. */ 4989 trackpoint_sysctl_create_tree(sc); 4990 4991 /* 4992 * Don't overwrite hwid and buttons when we are 4993 * a guest device. 4994 */ 4995 if (!sc->synhw.capPassthrough) { 4996 sc->hw.hwid = id; 4997 sc->hw.buttons = 3; 4998 } 4999 } 5000 5001 return (TRUE); 5002} 5003 5004/* Interlink electronics VersaPad */ 5005static int 5006enable_versapad(KBDC kbdc, struct psm_softc *sc) 5007{ 5008 int data[3]; 5009 5010 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 5011 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 5012 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5013 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5014 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5015 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5016 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 5017 return (FALSE); 5018 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 5019 return (FALSE); 5020 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 5021 5022 return (TRUE); /* PS/2 absolute mode */ 5023} 5024 5025/* 5026 * Return true if 'now' is earlier than (start + (secs.usecs)). 5027 * Now may be NULL and the function will fetch the current time from 5028 * getmicrouptime(), or a cached 'now' can be passed in. 5029 * All values should be numbers derived from getmicrouptime(). 5030 */ 5031static int 5032timeelapsed(start, secs, usecs, now) 5033 const struct timeval *start, *now; 5034 int secs, usecs; 5035{ 5036 struct timeval snow, tv; 5037 5038 /* if there is no 'now' passed in, the get it as a convience. */ 5039 if (now == NULL) { 5040 getmicrouptime(&snow); 5041 now = &snow; 5042 } 5043 5044 tv.tv_sec = secs; 5045 tv.tv_usec = usecs; 5046 timevaladd(&tv, start); 5047 return (timevalcmp(&tv, now, <)); 5048} 5049 5050static int 5051psmresume(device_t dev) 5052{ 5053 struct psm_softc *sc = device_get_softc(dev); 5054 int unit = device_get_unit(dev); 5055 int err; 5056 5057 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 5058 5059 if ((sc->config & 5060 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 5061 return (0); 5062 5063 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 5064 5065 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 5066 /* 5067 * Release the blocked process; it must be notified that 5068 * the device cannot be accessed anymore. 5069 */ 5070 sc->state &= ~PSM_ASLP; 5071 wakeup(sc); 5072 } 5073 5074 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 5075 5076 return (err); 5077} 5078 5079DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 5080 5081#ifdef DEV_ISA 5082 5083/* 5084 * This sucks up assignments from PNPBIOS and ACPI. 5085 */ 5086 5087/* 5088 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 5089 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 5090 * can be probed and attached only after the AT keyboard controller is 5091 * attached, we shall quietly reserve the IRQ resource for later use. 5092 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 5093 * copy the IRQ resource to the PS/2 mouse device instance hanging 5094 * under the keyboard controller, then probe and attach it. 5095 */ 5096 5097static devclass_t psmcpnp_devclass; 5098 5099static device_probe_t psmcpnp_probe; 5100static device_attach_t psmcpnp_attach; 5101 5102static device_method_t psmcpnp_methods[] = { 5103 DEVMETHOD(device_probe, psmcpnp_probe), 5104 DEVMETHOD(device_attach, psmcpnp_attach), 5105 5106 { 0, 0 } 5107}; 5108 5109static driver_t psmcpnp_driver = { 5110 PSMCPNP_DRIVER_NAME, 5111 psmcpnp_methods, 5112 1, /* no softc */ 5113}; 5114 5115static struct isa_pnp_id psmcpnp_ids[] = { 5116 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 5117 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 5118 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 5119 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 5120 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 5121 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 5122 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 5123 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 5124 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 5125 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 5126 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 5127 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 5128 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 5129 { 0 } 5130}; 5131 5132static int 5133create_a_copy(device_t atkbdc, device_t me) 5134{ 5135 device_t psm; 5136 u_long irq; 5137 5138 /* find the PS/2 mouse device instance under the keyboard controller */ 5139 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 5140 device_get_unit(atkbdc)); 5141 if (psm == NULL) 5142 return (ENXIO); 5143 if (device_get_state(psm) != DS_NOTPRESENT) 5144 return (0); 5145 5146 /* move our resource to the found device */ 5147 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 5148 bus_delete_resource(me, SYS_RES_IRQ, 0); 5149 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 5150 5151 /* ...then probe and attach it */ 5152 return (device_probe_and_attach(psm)); 5153} 5154 5155static int 5156psmcpnp_probe(device_t dev) 5157{ 5158 struct resource *res; 5159 u_long irq; 5160 int rid; 5161 5162 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 5163 return (ENXIO); 5164 5165 /* 5166 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 5167 * to the PS/2 mouse device node. But, some buggy PnP BIOS 5168 * declares the PS/2 mouse device node without an IRQ resource! 5169 * If this happens, we shall refer to device hints. 5170 * If we still don't find it there, use a hardcoded value... XXX 5171 */ 5172 rid = 0; 5173 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 5174 if (irq <= 0) { 5175 if (resource_long_value(PSM_DRIVER_NAME, 5176 device_get_unit(dev),"irq", &irq) != 0) 5177 irq = 12; /* XXX */ 5178 device_printf(dev, "irq resource info is missing; " 5179 "assuming irq %ld\n", irq); 5180 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 5181 } 5182 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 5183 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 5184 5185 /* keep quiet */ 5186 if (!bootverbose) 5187 device_quiet(dev); 5188 5189 return ((res == NULL) ? ENXIO : 0); 5190} 5191 5192static int 5193psmcpnp_attach(device_t dev) 5194{ 5195 device_t atkbdc; 5196 5197 /* find the keyboard controller, which may be on acpi* or isa* bus */ 5198 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 5199 device_get_unit(dev)); 5200 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 5201 create_a_copy(atkbdc, dev); 5202 5203 return (0); 5204} 5205 5206DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 5207DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 5208 5209#endif /* DEV_ISA */ 5210