Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/atkbdc/psm.c
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1 /*- 2 * Copyright (c) 1992, 1993 Erik Forsberg. 3 * Copyright (c) 1996, 1997 Kazutaka YOKOTA. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 */ 23 /* 24 * Ported to 386bsd Oct 17, 1992 25 * Sandi Donno, Computer Science, University of Cape Town, South Africa 26 * Please send bug reports to sandi@cs.uct.ac.za 27 * 28 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 29 * although I was only partially successful in getting the alpha release 30 * of his "driver for the Logitech and ATI Inport Bus mice for use with 31 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 32 * found his code to be an invaluable reference when porting this driver 33 * to 386bsd. 34 * 35 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 36 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 37 * 38 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 39 * Andrew Herbert - 12 June 1993 40 * 41 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 42 * - 13 June 1993 43 * 44 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 45 * - 24 October 1993 46 * 47 * Hardware access routines and probe logic rewritten by 48 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 49 * - 3, 14, 22 October 1996. 50 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 51 * - 14, 30 November 1996. Uses `kbdio.c'. 52 * - 13 December 1996. Uses queuing version of `kbdio.c'. 53 * - January/February 1997. Tweaked probe logic for 54 * HiNote UltraII/Latitude/Armada laptops. 55 * - 30 July 1997. Added APM support. 56 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 57 * Improved sync check logic. 58 * Vendor specific support routines. 59 */ 60 61 #include <sys/cdefs.h> 62 __FBSDID("$FreeBSD$"); 63 64 #include "opt_isa.h" 65 #include "opt_psm.h" 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #include <sys/kernel.h> 70 #include <sys/module.h> 71 #include <sys/bus.h> 72 #include <sys/conf.h> 73 #include <sys/filio.h> 74 #include <sys/poll.h> 75 #include <sys/sigio.h> 76 #include <sys/signalvar.h> 77 #include <sys/syslog.h> 78 #include <machine/bus.h> 79 #include <sys/rman.h> 80 #include <sys/selinfo.h> 81 #include <sys/sysctl.h> 82 #include <sys/time.h> 83 #include <sys/uio.h> 84 85 #include <sys/limits.h> 86 #include <sys/mouse.h> 87 #include <machine/resource.h> 88 89 #ifdef DEV_ISA 90 #include <isa/isavar.h> 91 #endif 92 93 #include <dev/atkbdc/atkbdcreg.h> 94 #include <dev/atkbdc/psm.h> 95 96 /* 97 * Driver specific options: the following options may be set by 98 * `options' statements in the kernel configuration file. 99 */ 100 101 /* debugging */ 102 #ifndef PSM_DEBUG 103 #define PSM_DEBUG 0 /* 104 * logging: 0: none, 1: brief, 2: verbose 105 * 3: sync errors, 4: all packets 106 */ 107 #endif 108 #define VLOG(level, args) do { \ 109 if (verbose >= level) \ 110 log args; \ 111 } while (0) 112 113 #ifndef PSM_INPUT_TIMEOUT 114 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 115 #endif 116 117 #ifndef PSM_TAP_TIMEOUT 118 #define PSM_TAP_TIMEOUT 125000 119 #endif 120 121 #ifndef PSM_TAP_THRESHOLD 122 #define PSM_TAP_THRESHOLD 25 123 #endif 124 125 /* end of driver specific options */ 126 127 #define PSMCPNP_DRIVER_NAME "psmcpnp" 128 129 /* input queue */ 130 #define PSM_BUFSIZE 960 131 #define PSM_SMALLBUFSIZE 240 132 133 /* operation levels */ 134 #define PSM_LEVEL_BASE 0 135 #define PSM_LEVEL_STANDARD 1 136 #define PSM_LEVEL_NATIVE 2 137 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 138 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 139 140 /* Logitech PS2++ protocol */ 141 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 142 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 143 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 144 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 145 146 /* some macros */ 147 #define PSM_UNIT(dev) (dev2unit(dev) >> 1) 148 #define PSM_NBLOCKIO(dev) (dev2unit(dev) & 1) 149 #define PSM_MKMINOR(unit,block) (((unit) << 1) | ((block) ? 0:1)) 150 151 /* ring buffer */ 152 typedef struct ringbuf { 153 int count; /* # of valid elements in the buffer */ 154 int head; /* head pointer */ 155 int tail; /* tail poiner */ 156 u_char buf[PSM_BUFSIZE]; 157 } ringbuf_t; 158 159 /* data buffer */ 160 typedef struct packetbuf { 161 u_char ipacket[16]; /* interim input buffer */ 162 int inputbytes; /* # of bytes in the input buffer */ 163 } packetbuf_t; 164 165 #ifndef PSM_PACKETQUEUE 166 #define PSM_PACKETQUEUE 128 167 #endif 168 169 enum { 170 SYNAPTICS_SYSCTL_MIN_PRESSURE, 171 SYNAPTICS_SYSCTL_MAX_PRESSURE, 172 SYNAPTICS_SYSCTL_MAX_WIDTH, 173 SYNAPTICS_SYSCTL_MARGIN_TOP, 174 SYNAPTICS_SYSCTL_MARGIN_RIGHT, 175 SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 176 SYNAPTICS_SYSCTL_MARGIN_LEFT, 177 SYNAPTICS_SYSCTL_NA_TOP, 178 SYNAPTICS_SYSCTL_NA_RIGHT, 179 SYNAPTICS_SYSCTL_NA_BOTTOM, 180 SYNAPTICS_SYSCTL_NA_LEFT, 181 SYNAPTICS_SYSCTL_WINDOW_MIN, 182 SYNAPTICS_SYSCTL_WINDOW_MAX, 183 SYNAPTICS_SYSCTL_MULTIPLICATOR, 184 SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 185 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 186 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 187 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 188 SYNAPTICS_SYSCTL_DIV_MIN, 189 SYNAPTICS_SYSCTL_DIV_MAX, 190 SYNAPTICS_SYSCTL_DIV_MAX_NA, 191 SYNAPTICS_SYSCTL_DIV_LEN, 192 SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 193 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 194 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 195 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 196 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 197 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 198 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 199 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX 200 }; 201 202 typedef struct synapticsinfo { 203 struct sysctl_ctx_list sysctl_ctx; 204 struct sysctl_oid *sysctl_tree; 205 int directional_scrolls; 206 int min_pressure; 207 int max_pressure; 208 int max_width; 209 int margin_top; 210 int margin_right; 211 int margin_bottom; 212 int margin_left; 213 int na_top; 214 int na_right; 215 int na_bottom; 216 int na_left; 217 int window_min; 218 int window_max; 219 int multiplicator; 220 int weight_current; 221 int weight_previous; 222 int weight_previous_na; 223 int weight_len_squared; 224 int div_min; 225 int div_max; 226 int div_max_na; 227 int div_len; 228 int tap_max_delta; 229 int tap_min_queue; 230 int taphold_timeout; 231 int vscroll_ver_area; 232 int vscroll_hor_area; 233 int vscroll_min_delta; 234 int vscroll_div_min; 235 int vscroll_div_max; 236 } synapticsinfo_t; 237 238 typedef struct synapticspacket { 239 int x; 240 int y; 241 } synapticspacket_t; 242 243 #define SYNAPTICS_PACKETQUEUE 10 244 #define SYNAPTICS_QUEUE_CURSOR(x) \ 245 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 246 247 #define SYNAPTICS_VERSION_GE(synhw, major, minor) \ 248 ((synhw).infoMajor > (major) || \ 249 ((synhw).infoMajor == (major) && (synhw).infoMinor >= (minor))) 250 251 typedef struct synapticsaction { 252 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 253 int queue_len; 254 int queue_cursor; 255 int window_min; 256 int start_x; 257 int start_y; 258 int avg_dx; 259 int avg_dy; 260 int squelch_x; 261 int squelch_y; 262 int fingers_nb; 263 int tap_button; 264 int in_taphold; 265 int in_vscroll; 266 } synapticsaction_t; 267 268 /* driver control block */ 269 struct psm_softc { /* Driver status information */ 270 int unit; 271 struct selinfo rsel; /* Process selecting for Input */ 272 u_char state; /* Mouse driver state */ 273 int config; /* driver configuration flags */ 274 int flags; /* other flags */ 275 KBDC kbdc; /* handle to access kbd controller */ 276 struct resource *intr; /* IRQ resource */ 277 void *ih; /* interrupt handle */ 278 mousehw_t hw; /* hardware information */ 279 synapticshw_t synhw; /* Synaptics hardware information */ 280 synapticsinfo_t syninfo; /* Synaptics configuration */ 281 synapticsaction_t synaction; /* Synaptics action context */ 282 mousemode_t mode; /* operation mode */ 283 mousemode_t dflt_mode; /* default operation mode */ 284 mousestatus_t status; /* accumulated mouse movement */ 285 ringbuf_t queue; /* mouse status queue */ 286 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 287 int pqueue_start; /* start of data in queue */ 288 int pqueue_end; /* end of data in queue */ 289 int button; /* the latest button state */ 290 int xold; /* previous absolute X position */ 291 int yold; /* previous absolute Y position */ 292 int xaverage; /* average X position */ 293 int yaverage; /* average Y position */ 294 int squelch; /* level to filter movement at low speed */ 295 int zmax; /* maximum pressure value for touchpads */ 296 int syncerrors; /* # of bytes discarded to synchronize */ 297 int pkterrors; /* # of packets failed during quaranteen. */ 298 struct timeval inputtimeout; 299 struct timeval lastsoftintr; /* time of last soft interrupt */ 300 struct timeval lastinputerr; /* time last sync error happened */ 301 struct timeval taptimeout; /* tap timeout for touchpads */ 302 int watchdog; /* watchdog timer flag */ 303 struct callout_handle callout; /* watchdog timer call out */ 304 struct callout_handle softcallout; /* buffer timer call out */ 305 struct cdev *dev; 306 struct cdev *bdev; 307 int lasterr; 308 int cmdcount; 309 struct sigio *async; /* Processes waiting for SIGIO */ 310 }; 311 static devclass_t psm_devclass; 312 #define PSM_SOFTC(unit) \ 313 ((struct psm_softc*)devclass_get_softc(psm_devclass, unit)) 314 315 /* driver state flags (state) */ 316 #define PSM_VALID 0x80 317 #define PSM_OPEN 1 /* Device is open */ 318 #define PSM_ASLP 2 /* Waiting for mouse data */ 319 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 320 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 321 322 /* driver configuration flags (config) */ 323 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 324 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 325 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 326 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 327 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 328 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 329 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 330 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 331 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 332 #define PSM_CONFIG_SYNCHACK 0x8000 /* enable `out-of-sync' hack */ 333 334 #define PSM_CONFIG_FLAGS \ 335 (PSM_CONFIG_RESOLUTION | \ 336 PSM_CONFIG_ACCEL | \ 337 PSM_CONFIG_NOCHECKSYNC | \ 338 PSM_CONFIG_SYNCHACK | \ 339 PSM_CONFIG_NOIDPROBE | \ 340 PSM_CONFIG_NORESET | \ 341 PSM_CONFIG_FORCETAP | \ 342 PSM_CONFIG_IGNPORTERROR | \ 343 PSM_CONFIG_HOOKRESUME | \ 344 PSM_CONFIG_INITAFTERSUSPEND) 345 346 /* other flags (flags) */ 347 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 348 349 /* Tunables */ 350 static int synaptics_support = 0; 351 TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 352 353 static int verbose = PSM_DEBUG; 354 TUNABLE_INT("debug.psm.loglevel", &verbose); 355 356 /* for backward compatibility */ 357 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 358 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 359 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 360 361 typedef struct old_mousehw { 362 int buttons; 363 int iftype; 364 int type; 365 int hwid; 366 } old_mousehw_t; 367 368 typedef struct old_mousemode { 369 int protocol; 370 int rate; 371 int resolution; 372 int accelfactor; 373 } old_mousemode_t; 374 375 /* packet formatting function */ 376 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 377 mousestatus_t *); 378 379 /* function prototypes */ 380 static void psmidentify(driver_t *, device_t); 381 static int psmprobe(device_t); 382 static int psmattach(device_t); 383 static int psmdetach(device_t); 384 static int psmresume(device_t); 385 386 static d_open_t psmopen; 387 static d_close_t psmclose; 388 static d_read_t psmread; 389 static d_write_t psmwrite; 390 static d_ioctl_t psmioctl; 391 static d_poll_t psmpoll; 392 393 static int enable_aux_dev(KBDC); 394 static int disable_aux_dev(KBDC); 395 static int get_mouse_status(KBDC, int *, int, int); 396 static int get_aux_id(KBDC); 397 static int set_mouse_sampling_rate(KBDC, int); 398 static int set_mouse_scaling(KBDC, int); 399 static int set_mouse_resolution(KBDC, int); 400 static int set_mouse_mode(KBDC); 401 static int get_mouse_buttons(KBDC); 402 static int is_a_mouse(int); 403 static void recover_from_error(KBDC); 404 static int restore_controller(KBDC, int); 405 static int doinitialize(struct psm_softc *, mousemode_t *); 406 static int doopen(struct psm_softc *, int); 407 static int reinitialize(struct psm_softc *, int); 408 static char *model_name(int); 409 static void psmsoftintr(void *); 410 static void psmintr(void *); 411 static void psmtimeout(void *); 412 static int timeelapsed(const struct timeval *, int, int, 413 const struct timeval *); 414 static void dropqueue(struct psm_softc *); 415 static void flushpackets(struct psm_softc *); 416 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 417 mousestatus_t *, int *, int *, int *); 418 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 419 mousestatus_t *, int *, int *, int *); 420 static void proc_versapad(struct psm_softc *, packetbuf_t *, 421 mousestatus_t *, int *, int *, int *); 422 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 423 u_char *); 424 425 /* vendor specific features */ 426 typedef int probefunc_t(struct psm_softc *); 427 428 static int mouse_id_proc1(KBDC, int, int, int *); 429 static int mouse_ext_command(KBDC, int); 430 431 static probefunc_t enable_groller; 432 static probefunc_t enable_gmouse; 433 static probefunc_t enable_aglide; 434 static probefunc_t enable_kmouse; 435 static probefunc_t enable_msexplorer; 436 static probefunc_t enable_msintelli; 437 static probefunc_t enable_4dmouse; 438 static probefunc_t enable_4dplus; 439 static probefunc_t enable_mmanplus; 440 static probefunc_t enable_synaptics; 441 static probefunc_t enable_versapad; 442 443 static struct { 444 int model; 445 u_char syncmask; 446 int packetsize; 447 probefunc_t *probefunc; 448 } vendortype[] = { 449 /* 450 * WARNING: the order of probe is very important. Don't mess it 451 * unless you know what you are doing. 452 */ 453 { MOUSE_MODEL_NET, /* Genius NetMouse */ 454 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 455 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 456 0xc8, 6, enable_groller }, 457 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 458 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 459 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 460 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 461 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 462 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 463 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 464 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 465 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 466 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 467 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 468 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 469 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 470 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 471 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 472 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 473 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 474 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 475 { MOUSE_MODEL_GENERIC, 476 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 477 }; 478 #define GENERIC_MOUSE_ENTRY \ 479 ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 480 481 /* device driver declarateion */ 482 static device_method_t psm_methods[] = { 483 /* Device interface */ 484 DEVMETHOD(device_identify, psmidentify), 485 DEVMETHOD(device_probe, psmprobe), 486 DEVMETHOD(device_attach, psmattach), 487 DEVMETHOD(device_detach, psmdetach), 488 DEVMETHOD(device_resume, psmresume), 489 490 { 0, 0 } 491 }; 492 493 static driver_t psm_driver = { 494 PSM_DRIVER_NAME, 495 psm_methods, 496 sizeof(struct psm_softc), 497 }; 498 499 static struct cdevsw psm_cdevsw = { 500 .d_version = D_VERSION, 501 .d_flags = D_NEEDGIANT, 502 .d_open = psmopen, 503 .d_close = psmclose, 504 .d_read = psmread, 505 .d_write = psmwrite, 506 .d_ioctl = psmioctl, 507 .d_poll = psmpoll, 508 .d_name = PSM_DRIVER_NAME, 509 }; 510 511 /* device I/O routines */ 512 static int 513 enable_aux_dev(KBDC kbdc) 514 { 515 int res; 516 517 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 518 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 519 520 return (res == PSM_ACK); 521 } 522 523 static int 524 disable_aux_dev(KBDC kbdc) 525 { 526 int res; 527 528 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 529 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 530 531 return (res == PSM_ACK); 532 } 533 534 static int 535 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 536 { 537 int cmd; 538 int res; 539 int i; 540 541 switch (flag) { 542 case 0: 543 default: 544 cmd = PSMC_SEND_DEV_STATUS; 545 break; 546 case 1: 547 cmd = PSMC_SEND_DEV_DATA; 548 break; 549 } 550 empty_aux_buffer(kbdc, 5); 551 res = send_aux_command(kbdc, cmd); 552 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 553 (flag == 1) ? "DATA" : "STATUS", res)); 554 if (res != PSM_ACK) 555 return (0); 556 557 for (i = 0; i < len; ++i) { 558 status[i] = read_aux_data(kbdc); 559 if (status[i] < 0) 560 break; 561 } 562 563 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 564 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 565 566 return (i); 567 } 568 569 static int 570 get_aux_id(KBDC kbdc) 571 { 572 int res; 573 int id; 574 575 empty_aux_buffer(kbdc, 5); 576 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 577 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 578 if (res != PSM_ACK) 579 return (-1); 580 581 /* 10ms delay */ 582 DELAY(10000); 583 584 id = read_aux_data(kbdc); 585 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 586 587 return (id); 588 } 589 590 static int 591 set_mouse_sampling_rate(KBDC kbdc, int rate) 592 { 593 int res; 594 595 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 596 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 597 598 return ((res == PSM_ACK) ? rate : -1); 599 } 600 601 static int 602 set_mouse_scaling(KBDC kbdc, int scale) 603 { 604 int res; 605 606 switch (scale) { 607 case 1: 608 default: 609 scale = PSMC_SET_SCALING11; 610 break; 611 case 2: 612 scale = PSMC_SET_SCALING21; 613 break; 614 } 615 res = send_aux_command(kbdc, scale); 616 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 617 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 618 619 return (res == PSM_ACK); 620 } 621 622 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 623 static int 624 set_mouse_resolution(KBDC kbdc, int val) 625 { 626 int res; 627 628 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 629 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 630 631 return ((res == PSM_ACK) ? val : -1); 632 } 633 634 /* 635 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 636 * re-enabled by calling `enable_aux_dev()' 637 */ 638 static int 639 set_mouse_mode(KBDC kbdc) 640 { 641 int res; 642 643 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 644 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 645 646 return (res == PSM_ACK); 647 } 648 649 static int 650 get_mouse_buttons(KBDC kbdc) 651 { 652 int c = 2; /* assume two buttons by default */ 653 int status[3]; 654 655 /* 656 * NOTE: a special sequence to obtain Logitech Mouse specific 657 * information: set resolution to 25 ppi, set scaling to 1:1, set 658 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 659 * mouse status bytes is the number of available buttons. 660 * Some manufactures also support this sequence. 661 */ 662 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 663 return (c); 664 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 665 set_mouse_scaling(kbdc, 1) && 666 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 667 return (status[1]); 668 return (c); 669 } 670 671 /* misc subroutines */ 672 /* 673 * Someday, I will get the complete list of valid pointing devices and 674 * their IDs... XXX 675 */ 676 static int 677 is_a_mouse(int id) 678 { 679 #if 0 680 static int valid_ids[] = { 681 PSM_MOUSE_ID, /* mouse */ 682 PSM_BALLPOINT_ID, /* ballpoint device */ 683 PSM_INTELLI_ID, /* Intellimouse */ 684 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 685 -1 /* end of table */ 686 }; 687 int i; 688 689 for (i = 0; valid_ids[i] >= 0; ++i) 690 if (valid_ids[i] == id) 691 return (TRUE); 692 return (FALSE); 693 #else 694 return (TRUE); 695 #endif 696 } 697 698 static char * 699 model_name(int model) 700 { 701 static struct { 702 int model_code; 703 char *model_name; 704 } models[] = { 705 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 706 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 707 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 708 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 709 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 710 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 711 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 712 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 713 { MOUSE_MODEL_4D, "4D Mouse" }, 714 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 715 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 716 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 717 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 718 }; 719 int i; 720 721 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 722 if (models[i].model_code == model) 723 break; 724 return (models[i].model_name); 725 } 726 727 static void 728 recover_from_error(KBDC kbdc) 729 { 730 /* discard anything left in the output buffer */ 731 empty_both_buffers(kbdc, 10); 732 733 #if 0 734 /* 735 * NOTE: KBDC_RESET_KBD may not restore the communication between the 736 * keyboard and the controller. 737 */ 738 reset_kbd(kbdc); 739 #else 740 /* 741 * NOTE: somehow diagnostic and keyboard port test commands bring the 742 * keyboard back. 743 */ 744 if (!test_controller(kbdc)) 745 log(LOG_ERR, "psm: keyboard controller failed.\n"); 746 /* if there isn't a keyboard in the system, the following error is OK */ 747 if (test_kbd_port(kbdc) != 0) 748 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 749 #endif 750 } 751 752 static int 753 restore_controller(KBDC kbdc, int command_byte) 754 { 755 empty_both_buffers(kbdc, 10); 756 757 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 758 log(LOG_ERR, "psm: failed to restore the keyboard controller " 759 "command byte.\n"); 760 empty_both_buffers(kbdc, 10); 761 return (FALSE); 762 } else { 763 empty_both_buffers(kbdc, 10); 764 return (TRUE); 765 } 766 } 767 768 /* 769 * Re-initialize the aux port and device. The aux port must be enabled 770 * and its interrupt must be disabled before calling this routine. 771 * The aux device will be disabled before returning. 772 * The keyboard controller must be locked via `kbdc_lock()' before 773 * calling this routine. 774 */ 775 static int 776 doinitialize(struct psm_softc *sc, mousemode_t *mode) 777 { 778 KBDC kbdc = sc->kbdc; 779 int stat[3]; 780 int i; 781 782 switch((i = test_aux_port(kbdc))) { 783 case 1: /* ignore these errors */ 784 case 2: 785 case 3: 786 case PSM_ACK: 787 if (verbose) 788 log(LOG_DEBUG, 789 "psm%d: strange result for test aux port (%d).\n", 790 sc->unit, i); 791 /* FALLTHROUGH */ 792 case 0: /* no error */ 793 break; 794 case -1: /* time out */ 795 default: /* error */ 796 recover_from_error(kbdc); 797 if (sc->config & PSM_CONFIG_IGNPORTERROR) 798 break; 799 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 800 sc->unit, i); 801 return (FALSE); 802 } 803 804 if (sc->config & PSM_CONFIG_NORESET) { 805 /* 806 * Don't try to reset the pointing device. It may possibly 807 * be left in the unknown state, though... 808 */ 809 } else { 810 /* 811 * NOTE: some controllers appears to hang the `keyboard' when 812 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 813 */ 814 if (!reset_aux_dev(kbdc)) { 815 recover_from_error(kbdc); 816 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 817 sc->unit); 818 return (FALSE); 819 } 820 } 821 822 /* 823 * both the aux port and the aux device is functioning, see 824 * if the device can be enabled. 825 */ 826 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 827 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 828 sc->unit); 829 return (FALSE); 830 } 831 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 832 833 if (sc->config & PSM_CONFIG_NOIDPROBE) 834 i = GENERIC_MOUSE_ENTRY; 835 else { 836 /* FIXME: hardware ID, mouse buttons? */ 837 838 /* other parameters */ 839 for (i = 0; vendortype[i].probefunc != NULL; ++i) 840 if ((*vendortype[i].probefunc)(sc)) { 841 if (verbose >= 2) 842 log(LOG_ERR, "psm%d: found %s\n", 843 sc->unit, 844 model_name(vendortype[i].model)); 845 break; 846 } 847 } 848 849 sc->hw.model = vendortype[i].model; 850 sc->mode.packetsize = vendortype[i].packetsize; 851 852 /* set mouse parameters */ 853 if (mode != (mousemode_t *)NULL) { 854 if (mode->rate > 0) 855 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 856 if (mode->resolution >= 0) 857 mode->resolution = 858 set_mouse_resolution(kbdc, mode->resolution); 859 set_mouse_scaling(kbdc, 1); 860 set_mouse_mode(kbdc); 861 } 862 863 /* Record sync on the next data packet we see. */ 864 sc->flags |= PSM_NEED_SYNCBITS; 865 866 /* just check the status of the mouse */ 867 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 868 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 869 sc->unit); 870 871 return (TRUE); 872 } 873 874 static int 875 doopen(struct psm_softc *sc, int command_byte) 876 { 877 int stat[3]; 878 879 /* 880 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 881 * no obvious reason. Thus we check the current mode and restore the 882 * Absolute Mode if it was cleared. 883 * 884 * The previous hack at the end of psmprobe() wasn't efficient when 885 * moused(8) was restarted. 886 * 887 * A Reset (FF) or Set Defaults (F6) command would clear the 888 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 889 * doesn't show any evidence of such a command. 890 */ 891 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 892 mouse_ext_command(sc->kbdc, 1); 893 get_mouse_status(sc->kbdc, stat, 0, 3); 894 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || 895 stat[1] == 0x47) && 896 stat[2] == 0x40) { 897 /* Set the mode byte -- request wmode where 898 * available */ 899 if (sc->synhw.capExtended) 900 mouse_ext_command(sc->kbdc, 0xc1); 901 else 902 mouse_ext_command(sc->kbdc, 0xc0); 903 set_mouse_sampling_rate(sc->kbdc, 20); 904 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 905 "hopefully restored\n", 906 sc->unit)); 907 } 908 } 909 910 /* enable the mouse device */ 911 if (!enable_aux_dev(sc->kbdc)) { 912 /* MOUSE ERROR: failed to enable the mouse because: 913 * 1) the mouse is faulty, 914 * 2) the mouse has been removed(!?) 915 * In the latter case, the keyboard may have hung, and need 916 * recovery procedure... 917 */ 918 recover_from_error(sc->kbdc); 919 #if 0 920 /* FIXME: we could reset the mouse here and try to enable 921 * it again. But it will take long time and it's not a good 922 * idea to disable the keyboard that long... 923 */ 924 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 925 recover_from_error(sc->kbdc); 926 #else 927 { 928 #endif 929 restore_controller(sc->kbdc, command_byte); 930 /* mark this device is no longer available */ 931 sc->state &= ~PSM_VALID; 932 log(LOG_ERR, 933 "psm%d: failed to enable the device (doopen).\n", 934 sc->unit); 935 return (EIO); 936 } 937 } 938 939 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 940 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 941 sc->unit); 942 943 /* enable the aux port and interrupt */ 944 if (!set_controller_command_byte(sc->kbdc, 945 kbdc_get_device_mask(sc->kbdc), 946 (command_byte & KBD_KBD_CONTROL_BITS) | 947 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 948 /* CONTROLLER ERROR */ 949 disable_aux_dev(sc->kbdc); 950 restore_controller(sc->kbdc, command_byte); 951 log(LOG_ERR, 952 "psm%d: failed to enable the aux interrupt (doopen).\n", 953 sc->unit); 954 return (EIO); 955 } 956 957 /* start the watchdog timer */ 958 sc->watchdog = FALSE; 959 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz*2); 960 961 return (0); 962 } 963 964 static int 965 reinitialize(struct psm_softc *sc, int doinit) 966 { 967 int err; 968 int c; 969 int s; 970 971 /* don't let anybody mess with the aux device */ 972 if (!kbdc_lock(sc->kbdc, TRUE)) 973 return (EIO); 974 s = spltty(); 975 976 /* block our watchdog timer */ 977 sc->watchdog = FALSE; 978 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 979 callout_handle_init(&sc->callout); 980 981 /* save the current controller command byte */ 982 empty_both_buffers(sc->kbdc, 10); 983 c = get_controller_command_byte(sc->kbdc); 984 VLOG(2, (LOG_DEBUG, 985 "psm%d: current command byte: %04x (reinitialize).\n", 986 sc->unit, c)); 987 988 /* enable the aux port but disable the aux interrupt and the keyboard */ 989 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 990 kbdc_get_device_mask(sc->kbdc), 991 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 992 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 993 /* CONTROLLER ERROR */ 994 splx(s); 995 kbdc_lock(sc->kbdc, FALSE); 996 log(LOG_ERR, 997 "psm%d: unable to set the command byte (reinitialize).\n", 998 sc->unit); 999 return (EIO); 1000 } 1001 1002 /* flush any data */ 1003 if (sc->state & PSM_VALID) { 1004 /* this may fail; but never mind... */ 1005 disable_aux_dev(sc->kbdc); 1006 empty_aux_buffer(sc->kbdc, 10); 1007 } 1008 flushpackets(sc); 1009 sc->syncerrors = 0; 1010 sc->pkterrors = 0; 1011 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1012 1013 /* try to detect the aux device; are you still there? */ 1014 err = 0; 1015 if (doinit) { 1016 if (doinitialize(sc, &sc->mode)) { 1017 /* yes */ 1018 sc->state |= PSM_VALID; 1019 } else { 1020 /* the device has gone! */ 1021 restore_controller(sc->kbdc, c); 1022 sc->state &= ~PSM_VALID; 1023 log(LOG_ERR, 1024 "psm%d: the aux device has gone! (reinitialize).\n", 1025 sc->unit); 1026 err = ENXIO; 1027 } 1028 } 1029 splx(s); 1030 1031 /* restore the driver state */ 1032 if ((sc->state & PSM_OPEN) && (err == 0)) { 1033 /* enable the aux device and the port again */ 1034 err = doopen(sc, c); 1035 if (err != 0) 1036 log(LOG_ERR, "psm%d: failed to enable the device " 1037 "(reinitialize).\n", sc->unit); 1038 } else { 1039 /* restore the keyboard port and disable the aux port */ 1040 if (!set_controller_command_byte(sc->kbdc, 1041 kbdc_get_device_mask(sc->kbdc), 1042 (c & KBD_KBD_CONTROL_BITS) | 1043 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1044 /* CONTROLLER ERROR */ 1045 log(LOG_ERR, "psm%d: failed to disable the aux port " 1046 "(reinitialize).\n", sc->unit); 1047 err = EIO; 1048 } 1049 } 1050 1051 kbdc_lock(sc->kbdc, FALSE); 1052 return (err); 1053 } 1054 1055 /* psm driver entry points */ 1056 1057 static void 1058 psmidentify(driver_t *driver, device_t parent) 1059 { 1060 device_t psmc; 1061 device_t psm; 1062 u_long irq; 1063 int unit; 1064 1065 unit = device_get_unit(parent); 1066 1067 /* always add at least one child */ 1068 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1069 if (psm == NULL) 1070 return; 1071 1072 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1073 if (irq > 0) 1074 return; 1075 1076 /* 1077 * If the PS/2 mouse device has already been reported by ACPI or 1078 * PnP BIOS, obtain the IRQ resource from it. 1079 * (See psmcpnp_attach() below.) 1080 */ 1081 psmc = device_find_child(device_get_parent(parent), 1082 PSMCPNP_DRIVER_NAME, unit); 1083 if (psmc == NULL) 1084 return; 1085 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1086 if (irq <= 0) 1087 return; 1088 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1089 } 1090 1091 #define endprobe(v) do { \ 1092 if (bootverbose) \ 1093 --verbose; \ 1094 kbdc_set_device_mask(sc->kbdc, mask); \ 1095 kbdc_lock(sc->kbdc, FALSE); \ 1096 return (v); \ 1097 } while (0) 1098 1099 static int 1100 psmprobe(device_t dev) 1101 { 1102 int unit = device_get_unit(dev); 1103 struct psm_softc *sc = device_get_softc(dev); 1104 int stat[3]; 1105 int command_byte; 1106 int mask; 1107 int rid; 1108 int i; 1109 1110 #if 0 1111 kbdc_debug(TRUE); 1112 #endif 1113 1114 /* see if IRQ is available */ 1115 rid = KBDC_RID_AUX; 1116 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 1117 RF_SHAREABLE | RF_ACTIVE); 1118 if (sc->intr == NULL) { 1119 if (bootverbose) 1120 device_printf(dev, "unable to allocate IRQ\n"); 1121 return (ENXIO); 1122 } 1123 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1124 1125 sc->unit = unit; 1126 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1127 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1128 /* XXX: for backward compatibility */ 1129 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1130 sc->config |= 1131 #ifdef PSM_RESETAFTERSUSPEND 1132 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 1133 #else 1134 PSM_CONFIG_HOOKRESUME; 1135 #endif 1136 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1137 sc->flags = 0; 1138 if (bootverbose) 1139 ++verbose; 1140 1141 device_set_desc(dev, "PS/2 Mouse"); 1142 1143 if (!kbdc_lock(sc->kbdc, TRUE)) { 1144 printf("psm%d: unable to lock the controller.\n", unit); 1145 if (bootverbose) 1146 --verbose; 1147 return (ENXIO); 1148 } 1149 1150 /* 1151 * NOTE: two bits in the command byte controls the operation of the 1152 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1153 * port interrupt (IRQ 12) enable bit (bit 2). 1154 */ 1155 1156 /* discard anything left after the keyboard initialization */ 1157 empty_both_buffers(sc->kbdc, 10); 1158 1159 /* save the current command byte; it will be used later */ 1160 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1161 command_byte = get_controller_command_byte(sc->kbdc); 1162 if (verbose) 1163 printf("psm%d: current command byte:%04x\n", unit, 1164 command_byte); 1165 if (command_byte == -1) { 1166 /* CONTROLLER ERROR */ 1167 printf("psm%d: unable to get the current command byte value.\n", 1168 unit); 1169 endprobe(ENXIO); 1170 } 1171 1172 /* 1173 * disable the keyboard port while probing the aux port, which must be 1174 * enabled during this routine 1175 */ 1176 if (!set_controller_command_byte(sc->kbdc, 1177 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1178 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1179 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1180 /* 1181 * this is CONTROLLER ERROR; I don't know how to recover 1182 * from this error... 1183 */ 1184 restore_controller(sc->kbdc, command_byte); 1185 printf("psm%d: unable to set the command byte.\n", unit); 1186 endprobe(ENXIO); 1187 } 1188 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1189 1190 /* 1191 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1192 * port exists and is functioning. However, some controllers appears 1193 * to respond with zero even when the aux port doesn't exist. (It may 1194 * be that this is only the case when the controller DOES have the aux 1195 * port but the port is not wired on the motherboard.) The keyboard 1196 * controllers without the port, such as the original AT, are 1197 * supporsed to return with an error code or simply time out. In any 1198 * case, we have to continue probing the port even when the controller 1199 * passes this test. 1200 * 1201 * XXX: some controllers erroneously return the error code 1, 2 or 3 1202 * when it has the perfectly functional aux port. We have to ignore 1203 * this error code. Even if the controller HAS error with the aux 1204 * port, it will be detected later... 1205 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1206 */ 1207 switch ((i = test_aux_port(sc->kbdc))) { 1208 case 1: /* ignore these errors */ 1209 case 2: 1210 case 3: 1211 case PSM_ACK: 1212 if (verbose) 1213 printf("psm%d: strange result for test aux port " 1214 "(%d).\n", unit, i); 1215 /* FALLTHROUGH */ 1216 case 0: /* no error */ 1217 break; 1218 case -1: /* time out */ 1219 default: /* error */ 1220 recover_from_error(sc->kbdc); 1221 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1222 break; 1223 restore_controller(sc->kbdc, command_byte); 1224 if (verbose) 1225 printf("psm%d: the aux port is not functioning (%d).\n", 1226 unit, i); 1227 endprobe(ENXIO); 1228 } 1229 1230 if (sc->config & PSM_CONFIG_NORESET) { 1231 /* 1232 * Don't try to reset the pointing device. It may possibly be 1233 * left in the unknown state, though... 1234 */ 1235 } else { 1236 /* 1237 * NOTE: some controllers appears to hang the `keyboard' when 1238 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1239 * 1240 * Attempt to reset the controller twice -- this helps 1241 * pierce through some KVM switches. The second reset 1242 * is non-fatal. 1243 */ 1244 if (!reset_aux_dev(sc->kbdc)) { 1245 recover_from_error(sc->kbdc); 1246 restore_controller(sc->kbdc, command_byte); 1247 if (verbose) 1248 printf("psm%d: failed to reset the aux " 1249 "device.\n", unit); 1250 endprobe(ENXIO); 1251 } else if (!reset_aux_dev(sc->kbdc)) { 1252 recover_from_error(sc->kbdc); 1253 if (verbose >= 2) 1254 printf("psm%d: failed to reset the aux device " 1255 "(2).\n", unit); 1256 } 1257 } 1258 1259 /* 1260 * both the aux port and the aux device is functioning, see if the 1261 * device can be enabled. NOTE: when enabled, the device will start 1262 * sending data; we shall immediately disable the device once we know 1263 * the device can be enabled. 1264 */ 1265 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1266 /* MOUSE ERROR */ 1267 recover_from_error(sc->kbdc); 1268 restore_controller(sc->kbdc, command_byte); 1269 if (verbose) 1270 printf("psm%d: failed to enable the aux device.\n", 1271 unit); 1272 endprobe(ENXIO); 1273 } 1274 1275 /* save the default values after reset */ 1276 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1277 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1278 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1279 } else { 1280 sc->dflt_mode.rate = sc->mode.rate = -1; 1281 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1282 } 1283 1284 /* hardware information */ 1285 sc->hw.iftype = MOUSE_IF_PS2; 1286 1287 /* verify the device is a mouse */ 1288 sc->hw.hwid = get_aux_id(sc->kbdc); 1289 if (!is_a_mouse(sc->hw.hwid)) { 1290 restore_controller(sc->kbdc, command_byte); 1291 if (verbose) 1292 printf("psm%d: unknown device type (%d).\n", unit, 1293 sc->hw.hwid); 1294 endprobe(ENXIO); 1295 } 1296 switch (sc->hw.hwid) { 1297 case PSM_BALLPOINT_ID: 1298 sc->hw.type = MOUSE_TRACKBALL; 1299 break; 1300 case PSM_MOUSE_ID: 1301 case PSM_INTELLI_ID: 1302 case PSM_EXPLORER_ID: 1303 case PSM_4DMOUSE_ID: 1304 case PSM_4DPLUS_ID: 1305 sc->hw.type = MOUSE_MOUSE; 1306 break; 1307 default: 1308 sc->hw.type = MOUSE_UNKNOWN; 1309 break; 1310 } 1311 1312 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1313 sc->hw.buttons = 2; 1314 i = GENERIC_MOUSE_ENTRY; 1315 } else { 1316 /* # of buttons */ 1317 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1318 1319 /* other parameters */ 1320 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1321 if ((*vendortype[i].probefunc)(sc)) { 1322 if (verbose >= 2) 1323 printf("psm%d: found %s\n", unit, 1324 model_name(vendortype[i].model)); 1325 break; 1326 } 1327 } 1328 1329 sc->hw.model = vendortype[i].model; 1330 1331 sc->dflt_mode.level = PSM_LEVEL_BASE; 1332 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1333 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1334 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1335 sc->dflt_mode.syncmask[0] = 0; 1336 else 1337 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1338 if (sc->config & PSM_CONFIG_FORCETAP) 1339 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1340 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1341 sc->mode = sc->dflt_mode; 1342 sc->mode.packetsize = vendortype[i].packetsize; 1343 1344 /* set mouse parameters */ 1345 #if 0 1346 /* 1347 * A version of Logitech FirstMouse+ won't report wheel movement, 1348 * if SET_DEFAULTS is sent... Don't use this command. 1349 * This fix was found by Takashi Nishida. 1350 */ 1351 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1352 if (verbose >= 2) 1353 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1354 #endif 1355 if (sc->config & PSM_CONFIG_RESOLUTION) 1356 sc->mode.resolution = 1357 set_mouse_resolution(sc->kbdc, 1358 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1359 else if (sc->mode.resolution >= 0) 1360 sc->mode.resolution = 1361 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1362 if (sc->mode.rate > 0) 1363 sc->mode.rate = 1364 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1365 set_mouse_scaling(sc->kbdc, 1); 1366 1367 /* Record sync on the next data packet we see. */ 1368 sc->flags |= PSM_NEED_SYNCBITS; 1369 1370 /* just check the status of the mouse */ 1371 /* 1372 * NOTE: XXX there are some arcane controller/mouse combinations out 1373 * there, which hung the controller unless there is data transmission 1374 * after ACK from the mouse. 1375 */ 1376 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1377 printf("psm%d: failed to get status.\n", unit); 1378 else { 1379 /* 1380 * When in its native mode, some mice operate with different 1381 * default parameters than in the PS/2 compatible mode. 1382 */ 1383 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1384 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1385 } 1386 1387 /* disable the aux port for now... */ 1388 if (!set_controller_command_byte(sc->kbdc, 1389 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1390 (command_byte & KBD_KBD_CONTROL_BITS) | 1391 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1392 /* 1393 * this is CONTROLLER ERROR; I don't know the proper way to 1394 * recover from this error... 1395 */ 1396 restore_controller(sc->kbdc, command_byte); 1397 printf("psm%d: unable to set the command byte.\n", unit); 1398 endprobe(ENXIO); 1399 } 1400 1401 /* done */ 1402 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1403 kbdc_lock(sc->kbdc, FALSE); 1404 return (0); 1405 } 1406 1407 static int 1408 psmattach(device_t dev) 1409 { 1410 int unit = device_get_unit(dev); 1411 struct psm_softc *sc = device_get_softc(dev); 1412 int error; 1413 int rid; 1414 1415 /* Setup initial state */ 1416 sc->state = PSM_VALID; 1417 callout_handle_init(&sc->callout); 1418 1419 /* Setup our interrupt handler */ 1420 rid = KBDC_RID_AUX; 1421 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 1422 RF_SHAREABLE | RF_ACTIVE); 1423 if (sc->intr == NULL) 1424 return (ENXIO); 1425 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1426 &sc->ih); 1427 if (error) { 1428 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1429 return (error); 1430 } 1431 1432 /* Done */ 1433 sc->dev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, 1434 "psm%d", unit); 1435 sc->bdev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, 1436 "bpsm%d", unit); 1437 1438 if (!verbose) 1439 printf("psm%d: model %s, device ID %d\n", 1440 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1441 else { 1442 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1443 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1444 sc->hw.hwid >> 8, sc->hw.buttons); 1445 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1446 unit, sc->config, sc->flags, sc->mode.packetsize); 1447 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1448 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1449 } 1450 1451 if (bootverbose) 1452 --verbose; 1453 1454 return (0); 1455 } 1456 1457 static int 1458 psmdetach(device_t dev) 1459 { 1460 struct psm_softc *sc; 1461 int rid; 1462 1463 sc = device_get_softc(dev); 1464 if (sc->state & PSM_OPEN) 1465 return (EBUSY); 1466 1467 rid = KBDC_RID_AUX; 1468 bus_teardown_intr(dev, sc->intr, sc->ih); 1469 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1470 1471 destroy_dev(sc->dev); 1472 destroy_dev(sc->bdev); 1473 1474 return (0); 1475 } 1476 1477 static int 1478 psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1479 { 1480 int unit = PSM_UNIT(dev); 1481 struct psm_softc *sc; 1482 int command_byte; 1483 int err; 1484 int s; 1485 1486 /* Get device data */ 1487 sc = PSM_SOFTC(unit); 1488 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1489 /* the device is no longer valid/functioning */ 1490 return (ENXIO); 1491 } 1492 1493 /* Disallow multiple opens */ 1494 if (sc->state & PSM_OPEN) 1495 return (EBUSY); 1496 1497 device_busy(devclass_get_device(psm_devclass, unit)); 1498 1499 /* Initialize state */ 1500 sc->mode.level = sc->dflt_mode.level; 1501 sc->mode.protocol = sc->dflt_mode.protocol; 1502 sc->watchdog = FALSE; 1503 sc->async = NULL; 1504 1505 /* flush the event queue */ 1506 sc->queue.count = 0; 1507 sc->queue.head = 0; 1508 sc->queue.tail = 0; 1509 sc->status.flags = 0; 1510 sc->status.button = 0; 1511 sc->status.obutton = 0; 1512 sc->status.dx = 0; 1513 sc->status.dy = 0; 1514 sc->status.dz = 0; 1515 sc->button = 0; 1516 sc->pqueue_start = 0; 1517 sc->pqueue_end = 0; 1518 1519 /* empty input buffer */ 1520 flushpackets(sc); 1521 sc->syncerrors = 0; 1522 sc->pkterrors = 0; 1523 1524 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1525 if (!kbdc_lock(sc->kbdc, TRUE)) 1526 return (EIO); 1527 1528 /* save the current controller command byte */ 1529 s = spltty(); 1530 command_byte = get_controller_command_byte(sc->kbdc); 1531 1532 /* enable the aux port and temporalily disable the keyboard */ 1533 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1534 kbdc_get_device_mask(sc->kbdc), 1535 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1536 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1537 /* CONTROLLER ERROR; do you know how to get out of this? */ 1538 kbdc_lock(sc->kbdc, FALSE); 1539 splx(s); 1540 log(LOG_ERR, 1541 "psm%d: unable to set the command byte (psmopen).\n", unit); 1542 return (EIO); 1543 } 1544 /* 1545 * Now that the keyboard controller is told not to generate 1546 * the keyboard and mouse interrupts, call `splx()' to allow 1547 * the other tty interrupts. The clock interrupt may also occur, 1548 * but timeout routines will be blocked by the poll flag set 1549 * via `kbdc_lock()' 1550 */ 1551 splx(s); 1552 1553 /* enable the mouse device */ 1554 err = doopen(sc, command_byte); 1555 1556 /* done */ 1557 if (err == 0) 1558 sc->state |= PSM_OPEN; 1559 kbdc_lock(sc->kbdc, FALSE); 1560 return (err); 1561 } 1562 1563 static int 1564 psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1565 { 1566 int unit = PSM_UNIT(dev); 1567 struct psm_softc *sc = PSM_SOFTC(unit); 1568 int stat[3]; 1569 int command_byte; 1570 int s; 1571 1572 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1573 if (!kbdc_lock(sc->kbdc, TRUE)) 1574 return (EIO); 1575 1576 /* save the current controller command byte */ 1577 s = spltty(); 1578 command_byte = get_controller_command_byte(sc->kbdc); 1579 if (command_byte == -1) { 1580 kbdc_lock(sc->kbdc, FALSE); 1581 splx(s); 1582 return (EIO); 1583 } 1584 1585 /* disable the aux interrupt and temporalily disable the keyboard */ 1586 if (!set_controller_command_byte(sc->kbdc, 1587 kbdc_get_device_mask(sc->kbdc), 1588 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1589 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1590 log(LOG_ERR, 1591 "psm%d: failed to disable the aux int (psmclose).\n", unit); 1592 /* CONTROLLER ERROR; 1593 * NOTE: we shall force our way through. Because the only 1594 * ill effect we shall see is that we may not be able 1595 * to read ACK from the mouse, and it doesn't matter much 1596 * so long as the mouse will accept the DISABLE command. 1597 */ 1598 } 1599 splx(s); 1600 1601 /* stop the watchdog timer */ 1602 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 1603 callout_handle_init(&sc->callout); 1604 1605 /* remove anything left in the output buffer */ 1606 empty_aux_buffer(sc->kbdc, 10); 1607 1608 /* disable the aux device, port and interrupt */ 1609 if (sc->state & PSM_VALID) { 1610 if (!disable_aux_dev(sc->kbdc)) { 1611 /* MOUSE ERROR; 1612 * NOTE: we don't return (error) and continue, 1613 * pretending we have successfully disabled the device. 1614 * It's OK because the interrupt routine will discard 1615 * any data from the mouse hereafter. 1616 */ 1617 log(LOG_ERR, 1618 "psm%d: failed to disable the device (psmclose).\n", 1619 unit); 1620 } 1621 1622 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1623 log(LOG_DEBUG, 1624 "psm%d: failed to get status (psmclose).\n", unit); 1625 } 1626 1627 if (!set_controller_command_byte(sc->kbdc, 1628 kbdc_get_device_mask(sc->kbdc), 1629 (command_byte & KBD_KBD_CONTROL_BITS) | 1630 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1631 /* 1632 * CONTROLLER ERROR; 1633 * we shall ignore this error; see the above comment. 1634 */ 1635 log(LOG_ERR, 1636 "psm%d: failed to disable the aux port (psmclose).\n", 1637 unit); 1638 } 1639 1640 /* remove anything left in the output buffer */ 1641 empty_aux_buffer(sc->kbdc, 10); 1642 1643 /* clean up and sigio requests */ 1644 if (sc->async != NULL) { 1645 funsetown(&sc->async); 1646 sc->async = NULL; 1647 } 1648 1649 /* close is almost always successful */ 1650 sc->state &= ~PSM_OPEN; 1651 kbdc_lock(sc->kbdc, FALSE); 1652 device_unbusy(devclass_get_device(psm_devclass, unit)); 1653 return (0); 1654 } 1655 1656 static int 1657 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1658 u_char *buf) 1659 { 1660 static u_char butmapps2[8] = { 1661 0, 1662 MOUSE_PS2_BUTTON1DOWN, 1663 MOUSE_PS2_BUTTON2DOWN, 1664 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1665 MOUSE_PS2_BUTTON3DOWN, 1666 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1667 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1668 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1669 MOUSE_PS2_BUTTON3DOWN, 1670 }; 1671 static u_char butmapmsc[8] = { 1672 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1673 MOUSE_MSC_BUTTON3UP, 1674 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1675 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1676 MOUSE_MSC_BUTTON3UP, 1677 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1678 MOUSE_MSC_BUTTON2UP, 1679 MOUSE_MSC_BUTTON1UP, 1680 0, 1681 }; 1682 int mapped; 1683 int i; 1684 1685 if (sc->mode.level == PSM_LEVEL_BASE) { 1686 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1687 if (status->button & MOUSE_BUTTON4DOWN) 1688 mapped |= MOUSE_BUTTON1DOWN; 1689 status->button = mapped; 1690 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1691 i = imax(imin(status->dx, 255), -256); 1692 if (i < 0) 1693 buf[0] |= MOUSE_PS2_XNEG; 1694 buf[1] = i; 1695 i = imax(imin(status->dy, 255), -256); 1696 if (i < 0) 1697 buf[0] |= MOUSE_PS2_YNEG; 1698 buf[2] = i; 1699 return (MOUSE_PS2_PACKETSIZE); 1700 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1701 buf[0] = MOUSE_MSC_SYNC | 1702 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1703 i = imax(imin(status->dx, 255), -256); 1704 buf[1] = i >> 1; 1705 buf[3] = i - buf[1]; 1706 i = imax(imin(status->dy, 255), -256); 1707 buf[2] = i >> 1; 1708 buf[4] = i - buf[2]; 1709 i = imax(imin(status->dz, 127), -128); 1710 buf[5] = (i >> 1) & 0x7f; 1711 buf[6] = (i - (i >> 1)) & 0x7f; 1712 buf[7] = (~status->button >> 3) & 0x7f; 1713 return (MOUSE_SYS_PACKETSIZE); 1714 } 1715 return (pb->inputbytes); 1716 } 1717 1718 static int 1719 psmread(struct cdev *dev, struct uio *uio, int flag) 1720 { 1721 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1722 u_char buf[PSM_SMALLBUFSIZE]; 1723 int error = 0; 1724 int s; 1725 int l; 1726 1727 if ((sc->state & PSM_VALID) == 0) 1728 return (EIO); 1729 1730 /* block until mouse activity occured */ 1731 s = spltty(); 1732 while (sc->queue.count <= 0) { 1733 if (PSM_NBLOCKIO(dev)) { 1734 splx(s); 1735 return (EWOULDBLOCK); 1736 } 1737 sc->state |= PSM_ASLP; 1738 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 1739 sc->state &= ~PSM_ASLP; 1740 if (error) { 1741 splx(s); 1742 return (error); 1743 } else if ((sc->state & PSM_VALID) == 0) { 1744 /* the device disappeared! */ 1745 splx(s); 1746 return (EIO); 1747 } 1748 } 1749 splx(s); 1750 1751 /* copy data to the user land */ 1752 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1753 s = spltty(); 1754 l = imin(sc->queue.count, uio->uio_resid); 1755 if (l > sizeof(buf)) 1756 l = sizeof(buf); 1757 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1758 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1759 sizeof(sc->queue.buf) - sc->queue.head); 1760 bcopy(&sc->queue.buf[0], 1761 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1762 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1763 } else 1764 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1765 sc->queue.count -= l; 1766 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1767 splx(s); 1768 error = uiomove(buf, l, uio); 1769 if (error) 1770 break; 1771 } 1772 1773 return (error); 1774 } 1775 1776 static int 1777 block_mouse_data(struct psm_softc *sc, int *c) 1778 { 1779 int s; 1780 1781 if (!kbdc_lock(sc->kbdc, TRUE)) 1782 return (EIO); 1783 1784 s = spltty(); 1785 *c = get_controller_command_byte(sc->kbdc); 1786 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1787 kbdc_get_device_mask(sc->kbdc), 1788 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1789 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1790 /* this is CONTROLLER ERROR */ 1791 splx(s); 1792 kbdc_lock(sc->kbdc, FALSE); 1793 return (EIO); 1794 } 1795 1796 /* 1797 * The device may be in the middle of status data transmission. 1798 * The transmission will be interrupted, thus, incomplete status 1799 * data must be discarded. Although the aux interrupt is disabled 1800 * at the keyboard controller level, at most one aux interrupt 1801 * may have already been pending and a data byte is in the 1802 * output buffer; throw it away. Note that the second argument 1803 * to `empty_aux_buffer()' is zero, so that the call will just 1804 * flush the internal queue. 1805 * `psmintr()' will be invoked after `splx()' if an interrupt is 1806 * pending; it will see no data and returns immediately. 1807 */ 1808 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1809 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1810 flushpackets(sc); 1811 splx(s); 1812 1813 return (0); 1814 } 1815 1816 static void 1817 dropqueue(struct psm_softc *sc) 1818 { 1819 1820 sc->queue.count = 0; 1821 sc->queue.head = 0; 1822 sc->queue.tail = 0; 1823 if ((sc->state & PSM_SOFTARMED) != 0) { 1824 sc->state &= ~PSM_SOFTARMED; 1825 untimeout(psmsoftintr, (void *)(uintptr_t)sc, sc->softcallout); 1826 } 1827 sc->pqueue_start = sc->pqueue_end; 1828 } 1829 1830 static void 1831 flushpackets(struct psm_softc *sc) 1832 { 1833 1834 dropqueue(sc); 1835 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1836 } 1837 1838 static int 1839 unblock_mouse_data(struct psm_softc *sc, int c) 1840 { 1841 int error = 0; 1842 1843 /* 1844 * We may have seen a part of status data during `set_mouse_XXX()'. 1845 * they have been queued; flush it. 1846 */ 1847 empty_aux_buffer(sc->kbdc, 0); 1848 1849 /* restore ports and interrupt */ 1850 if (!set_controller_command_byte(sc->kbdc, 1851 kbdc_get_device_mask(sc->kbdc), 1852 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1853 /* 1854 * CONTROLLER ERROR; this is serious, we may have 1855 * been left with the inaccessible keyboard and 1856 * the disabled mouse interrupt. 1857 */ 1858 error = EIO; 1859 } 1860 1861 kbdc_lock(sc->kbdc, FALSE); 1862 return (error); 1863 } 1864 1865 static int 1866 psmwrite(struct cdev *dev, struct uio *uio, int flag) 1867 { 1868 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1869 u_char buf[PSM_SMALLBUFSIZE]; 1870 int error = 0, i, l; 1871 1872 if ((sc->state & PSM_VALID) == 0) 1873 return (EIO); 1874 1875 if (sc->mode.level < PSM_LEVEL_NATIVE) 1876 return (ENODEV); 1877 1878 /* copy data from the user land */ 1879 while (uio->uio_resid > 0) { 1880 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1881 error = uiomove(buf, l, uio); 1882 if (error) 1883 break; 1884 for (i = 0; i < l; i++) { 1885 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1886 if (!write_aux_command(sc->kbdc, buf[i])) { 1887 VLOG(2, (LOG_DEBUG, 1888 "psm: cmd 0x%x failed.\n", buf[i])); 1889 return (reinitialize(sc, FALSE)); 1890 } 1891 } 1892 } 1893 1894 return (error); 1895 } 1896 1897 static int 1898 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 1899 struct thread *td) 1900 { 1901 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1902 mousemode_t mode; 1903 mousestatus_t status; 1904 #if (defined(MOUSE_GETVARS)) 1905 mousevar_t *var; 1906 #endif 1907 mousedata_t *data; 1908 int stat[3]; 1909 int command_byte; 1910 int error = 0; 1911 int s; 1912 1913 /* Perform IOCTL command */ 1914 switch (cmd) { 1915 1916 case OLD_MOUSE_GETHWINFO: 1917 s = spltty(); 1918 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1919 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1920 ((old_mousehw_t *)addr)->type = sc->hw.type; 1921 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1922 splx(s); 1923 break; 1924 1925 case MOUSE_GETHWINFO: 1926 s = spltty(); 1927 *(mousehw_t *)addr = sc->hw; 1928 if (sc->mode.level == PSM_LEVEL_BASE) 1929 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1930 splx(s); 1931 break; 1932 1933 case MOUSE_SYN_GETHWINFO: 1934 s = spltty(); 1935 if (synaptics_support && sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1936 *(synapticshw_t *)addr = sc->synhw; 1937 else 1938 error = EINVAL; 1939 splx(s); 1940 break; 1941 1942 case OLD_MOUSE_GETMODE: 1943 s = spltty(); 1944 switch (sc->mode.level) { 1945 case PSM_LEVEL_BASE: 1946 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1947 break; 1948 case PSM_LEVEL_STANDARD: 1949 ((old_mousemode_t *)addr)->protocol = 1950 MOUSE_PROTO_SYSMOUSE; 1951 break; 1952 case PSM_LEVEL_NATIVE: 1953 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1954 break; 1955 } 1956 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1957 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1958 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1959 splx(s); 1960 break; 1961 1962 case MOUSE_GETMODE: 1963 s = spltty(); 1964 *(mousemode_t *)addr = sc->mode; 1965 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 1966 ((mousemode_t *)addr)->syncmask[0] = 0; 1967 ((mousemode_t *)addr)->syncmask[1] = 0; 1968 } 1969 ((mousemode_t *)addr)->resolution = 1970 MOUSE_RES_LOW - sc->mode.resolution; 1971 switch (sc->mode.level) { 1972 case PSM_LEVEL_BASE: 1973 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1974 ((mousemode_t *)addr)->packetsize = 1975 MOUSE_PS2_PACKETSIZE; 1976 break; 1977 case PSM_LEVEL_STANDARD: 1978 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1979 ((mousemode_t *)addr)->packetsize = 1980 MOUSE_SYS_PACKETSIZE; 1981 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1982 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1983 break; 1984 case PSM_LEVEL_NATIVE: 1985 /* FIXME: this isn't quite correct... XXX */ 1986 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1987 break; 1988 } 1989 splx(s); 1990 break; 1991 1992 case OLD_MOUSE_SETMODE: 1993 case MOUSE_SETMODE: 1994 if (cmd == OLD_MOUSE_SETMODE) { 1995 mode.rate = ((old_mousemode_t *)addr)->rate; 1996 /* 1997 * resolution old I/F new I/F 1998 * default 0 0 1999 * low 1 -2 2000 * medium low 2 -3 2001 * medium high 3 -4 2002 * high 4 -5 2003 */ 2004 if (((old_mousemode_t *)addr)->resolution > 0) 2005 mode.resolution = 2006 -((old_mousemode_t *)addr)->resolution - 1; 2007 else 2008 mode.resolution = 0; 2009 mode.accelfactor = 2010 ((old_mousemode_t *)addr)->accelfactor; 2011 mode.level = -1; 2012 } else 2013 mode = *(mousemode_t *)addr; 2014 2015 /* adjust and validate parameters. */ 2016 if (mode.rate > UCHAR_MAX) 2017 return (EINVAL); 2018 if (mode.rate == 0) 2019 mode.rate = sc->dflt_mode.rate; 2020 else if (mode.rate == -1) 2021 /* don't change the current setting */ 2022 ; 2023 else if (mode.rate < 0) 2024 return (EINVAL); 2025 if (mode.resolution >= UCHAR_MAX) 2026 return (EINVAL); 2027 if (mode.resolution >= 200) 2028 mode.resolution = MOUSE_RES_HIGH; 2029 else if (mode.resolution >= 100) 2030 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2031 else if (mode.resolution >= 50) 2032 mode.resolution = MOUSE_RES_MEDIUMLOW; 2033 else if (mode.resolution > 0) 2034 mode.resolution = MOUSE_RES_LOW; 2035 if (mode.resolution == MOUSE_RES_DEFAULT) 2036 mode.resolution = sc->dflt_mode.resolution; 2037 else if (mode.resolution == -1) 2038 /* don't change the current setting */ 2039 ; 2040 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2041 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2042 if (mode.level == -1) 2043 /* don't change the current setting */ 2044 mode.level = sc->mode.level; 2045 else if ((mode.level < PSM_LEVEL_MIN) || 2046 (mode.level > PSM_LEVEL_MAX)) 2047 return (EINVAL); 2048 if (mode.accelfactor == -1) 2049 /* don't change the current setting */ 2050 mode.accelfactor = sc->mode.accelfactor; 2051 else if (mode.accelfactor < 0) 2052 return (EINVAL); 2053 2054 /* don't allow anybody to poll the keyboard controller */ 2055 error = block_mouse_data(sc, &command_byte); 2056 if (error) 2057 return (error); 2058 2059 /* set mouse parameters */ 2060 if (mode.rate > 0) 2061 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2062 mode.rate); 2063 if (mode.resolution >= 0) 2064 mode.resolution = 2065 set_mouse_resolution(sc->kbdc, mode.resolution); 2066 set_mouse_scaling(sc->kbdc, 1); 2067 get_mouse_status(sc->kbdc, stat, 0, 3); 2068 2069 s = spltty(); 2070 sc->mode.rate = mode.rate; 2071 sc->mode.resolution = mode.resolution; 2072 sc->mode.accelfactor = mode.accelfactor; 2073 sc->mode.level = mode.level; 2074 splx(s); 2075 2076 unblock_mouse_data(sc, command_byte); 2077 break; 2078 2079 case MOUSE_GETLEVEL: 2080 *(int *)addr = sc->mode.level; 2081 break; 2082 2083 case MOUSE_SETLEVEL: 2084 if ((*(int *)addr < PSM_LEVEL_MIN) || 2085 (*(int *)addr > PSM_LEVEL_MAX)) 2086 return (EINVAL); 2087 sc->mode.level = *(int *)addr; 2088 break; 2089 2090 case MOUSE_GETSTATUS: 2091 s = spltty(); 2092 status = sc->status; 2093 sc->status.flags = 0; 2094 sc->status.obutton = sc->status.button; 2095 sc->status.button = 0; 2096 sc->status.dx = 0; 2097 sc->status.dy = 0; 2098 sc->status.dz = 0; 2099 splx(s); 2100 *(mousestatus_t *)addr = status; 2101 break; 2102 2103 #if (defined(MOUSE_GETVARS)) 2104 case MOUSE_GETVARS: 2105 var = (mousevar_t *)addr; 2106 bzero(var, sizeof(*var)); 2107 s = spltty(); 2108 var->var[0] = MOUSE_VARS_PS2_SIG; 2109 var->var[1] = sc->config; 2110 var->var[2] = sc->flags; 2111 splx(s); 2112 break; 2113 2114 case MOUSE_SETVARS: 2115 return (ENODEV); 2116 #endif /* MOUSE_GETVARS */ 2117 2118 case MOUSE_READSTATE: 2119 case MOUSE_READDATA: 2120 data = (mousedata_t *)addr; 2121 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2122 return (EINVAL); 2123 2124 error = block_mouse_data(sc, &command_byte); 2125 if (error) 2126 return (error); 2127 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2128 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2129 error = EIO; 2130 unblock_mouse_data(sc, command_byte); 2131 break; 2132 2133 #if (defined(MOUSE_SETRESOLUTION)) 2134 case MOUSE_SETRESOLUTION: 2135 mode.resolution = *(int *)addr; 2136 if (mode.resolution >= UCHAR_MAX) 2137 return (EINVAL); 2138 else if (mode.resolution >= 200) 2139 mode.resolution = MOUSE_RES_HIGH; 2140 else if (mode.resolution >= 100) 2141 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2142 else if (mode.resolution >= 50) 2143 mode.resolution = MOUSE_RES_MEDIUMLOW; 2144 else if (mode.resolution > 0) 2145 mode.resolution = MOUSE_RES_LOW; 2146 if (mode.resolution == MOUSE_RES_DEFAULT) 2147 mode.resolution = sc->dflt_mode.resolution; 2148 else if (mode.resolution == -1) 2149 mode.resolution = sc->mode.resolution; 2150 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2151 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2152 2153 error = block_mouse_data(sc, &command_byte); 2154 if (error) 2155 return (error); 2156 sc->mode.resolution = 2157 set_mouse_resolution(sc->kbdc, mode.resolution); 2158 if (sc->mode.resolution != mode.resolution) 2159 error = EIO; 2160 unblock_mouse_data(sc, command_byte); 2161 break; 2162 #endif /* MOUSE_SETRESOLUTION */ 2163 2164 #if (defined(MOUSE_SETRATE)) 2165 case MOUSE_SETRATE: 2166 mode.rate = *(int *)addr; 2167 if (mode.rate > UCHAR_MAX) 2168 return (EINVAL); 2169 if (mode.rate == 0) 2170 mode.rate = sc->dflt_mode.rate; 2171 else if (mode.rate < 0) 2172 mode.rate = sc->mode.rate; 2173 2174 error = block_mouse_data(sc, &command_byte); 2175 if (error) 2176 return (error); 2177 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2178 if (sc->mode.rate != mode.rate) 2179 error = EIO; 2180 unblock_mouse_data(sc, command_byte); 2181 break; 2182 #endif /* MOUSE_SETRATE */ 2183 2184 #if (defined(MOUSE_SETSCALING)) 2185 case MOUSE_SETSCALING: 2186 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2187 return (EINVAL); 2188 2189 error = block_mouse_data(sc, &command_byte); 2190 if (error) 2191 return (error); 2192 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2193 error = EIO; 2194 unblock_mouse_data(sc, command_byte); 2195 break; 2196 #endif /* MOUSE_SETSCALING */ 2197 2198 #if (defined(MOUSE_GETHWID)) 2199 case MOUSE_GETHWID: 2200 error = block_mouse_data(sc, &command_byte); 2201 if (error) 2202 return (error); 2203 sc->hw.hwid &= ~0x00ff; 2204 sc->hw.hwid |= get_aux_id(sc->kbdc); 2205 *(int *)addr = sc->hw.hwid & 0x00ff; 2206 unblock_mouse_data(sc, command_byte); 2207 break; 2208 #endif /* MOUSE_GETHWID */ 2209 2210 case FIONBIO: 2211 case FIOASYNC: 2212 break; 2213 case FIOSETOWN: 2214 error = fsetown(*(int *)addr, &sc->async); 2215 break; 2216 case FIOGETOWN: 2217 *(int *) addr = fgetown(&sc->async); 2218 break; 2219 default: 2220 return (ENOTTY); 2221 } 2222 2223 return (error); 2224 } 2225 2226 static void 2227 psmtimeout(void *arg) 2228 { 2229 struct psm_softc *sc; 2230 int s; 2231 2232 sc = (struct psm_softc *)arg; 2233 s = spltty(); 2234 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2235 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2236 psmintr(sc); 2237 kbdc_lock(sc->kbdc, FALSE); 2238 } 2239 sc->watchdog = TRUE; 2240 splx(s); 2241 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz); 2242 } 2243 2244 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2245 SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2246 SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2247 2248 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2249 "Verbosity level"); 2250 2251 static int psmhz = 20; 2252 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2253 "Frequency of the softcallout (in hz)"); 2254 static int psmerrsecs = 2; 2255 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2256 "Number of seconds during which packets will dropped after a sync error"); 2257 static int psmerrusecs = 0; 2258 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2259 "Microseconds to add to psmerrsecs"); 2260 static int psmsecs = 0; 2261 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2262 "Max number of seconds between soft interrupts"); 2263 static int psmusecs = 500000; 2264 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2265 "Microseconds to add to psmsecs"); 2266 static int pkterrthresh = 2; 2267 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2268 "Number of error packets allowed before reinitializing the mouse"); 2269 2270 static int tap_threshold = PSM_TAP_THRESHOLD; 2271 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2272 "Button tap threshold"); 2273 static int tap_timeout = PSM_TAP_TIMEOUT; 2274 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2275 "Tap timeout for touchpads"); 2276 2277 static void 2278 psmintr(void *arg) 2279 { 2280 struct psm_softc *sc = arg; 2281 struct timeval now; 2282 int c; 2283 packetbuf_t *pb; 2284 2285 2286 /* read until there is nothing to read */ 2287 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2288 pb = &sc->pqueue[sc->pqueue_end]; 2289 2290 /* discard the byte if the device is not open */ 2291 if ((sc->state & PSM_OPEN) == 0) 2292 continue; 2293 2294 getmicrouptime(&now); 2295 if ((pb->inputbytes > 0) && 2296 timevalcmp(&now, &sc->inputtimeout, >)) { 2297 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2298 "resetting byte count\n")); 2299 pb->inputbytes = 0; 2300 sc->syncerrors = 0; 2301 sc->pkterrors = 0; 2302 } 2303 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2304 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2305 timevaladd(&sc->inputtimeout, &now); 2306 2307 pb->ipacket[pb->inputbytes++] = c; 2308 2309 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2310 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2311 sc->syncerrors = 0; 2312 sc->pkterrors = 0; 2313 goto next; 2314 } else { 2315 if (pb->inputbytes < sc->mode.packetsize) 2316 continue; 2317 2318 VLOG(4, (LOG_DEBUG, 2319 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2320 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2321 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2322 } 2323 2324 c = pb->ipacket[0]; 2325 2326 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2327 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2328 sc->flags &= ~PSM_NEED_SYNCBITS; 2329 VLOG(2, (LOG_DEBUG, 2330 "psmintr: Sync bytes now %04x,%04x\n", 2331 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2332 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2333 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2334 "(%04x != %04x) %d cmds since last error.\n", 2335 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2336 sc->cmdcount - sc->lasterr)); 2337 sc->lasterr = sc->cmdcount; 2338 /* 2339 * The sync byte test is a weak measure of packet 2340 * validity. Conservatively discard any input yet 2341 * to be seen by userland when we detect a sync 2342 * error since there is a good chance some of 2343 * the queued packets have undetected errors. 2344 */ 2345 dropqueue(sc); 2346 if (sc->syncerrors == 0) 2347 sc->pkterrors++; 2348 ++sc->syncerrors; 2349 sc->lastinputerr = now; 2350 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2351 sc->pkterrors >= pkterrthresh) { 2352 /* 2353 * If we've failed to find a single sync byte 2354 * in 2 packets worth of data, or we've seen 2355 * persistent packet errors during the 2356 * validation period, reinitialize the mouse 2357 * in hopes of returning it to the expected 2358 * mode. 2359 */ 2360 VLOG(3, (LOG_DEBUG, 2361 "psmintr: reset the mouse.\n")); 2362 reinitialize(sc, TRUE); 2363 } else if (sc->syncerrors == sc->mode.packetsize) { 2364 /* 2365 * Try a soft reset after searching for a sync 2366 * byte through a packet length of bytes. 2367 */ 2368 VLOG(3, (LOG_DEBUG, 2369 "psmintr: re-enable the mouse.\n")); 2370 pb->inputbytes = 0; 2371 disable_aux_dev(sc->kbdc); 2372 enable_aux_dev(sc->kbdc); 2373 } else { 2374 VLOG(3, (LOG_DEBUG, 2375 "psmintr: discard a byte (%d)\n", 2376 sc->syncerrors)); 2377 pb->inputbytes--; 2378 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2379 pb->inputbytes); 2380 } 2381 continue; 2382 } 2383 2384 /* 2385 * We have what appears to be a valid packet. 2386 * Reset the error counters. 2387 */ 2388 sc->syncerrors = 0; 2389 2390 /* 2391 * Drop even good packets if they occur within a timeout 2392 * period of a sync error. This allows the detection of 2393 * a change in the mouse's packet mode without exposing 2394 * erratic mouse behavior to the user. Some KVMs forget 2395 * enhanced mouse modes during switch events. 2396 */ 2397 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2398 &now)) { 2399 pb->inputbytes = 0; 2400 continue; 2401 } 2402 2403 /* 2404 * Now that we're out of the validation period, reset 2405 * the packet error count. 2406 */ 2407 sc->pkterrors = 0; 2408 2409 sc->cmdcount++; 2410 next: 2411 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2412 sc->pqueue_end = 0; 2413 /* 2414 * If we've filled the queue then call the softintr ourselves, 2415 * otherwise schedule the interrupt for later. 2416 */ 2417 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2418 (sc->pqueue_end == sc->pqueue_start)) { 2419 if ((sc->state & PSM_SOFTARMED) != 0) { 2420 sc->state &= ~PSM_SOFTARMED; 2421 untimeout(psmsoftintr, arg, sc->softcallout); 2422 } 2423 psmsoftintr(arg); 2424 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2425 sc->state |= PSM_SOFTARMED; 2426 sc->softcallout = timeout(psmsoftintr, arg, 2427 psmhz < 1 ? 1 : (hz/psmhz)); 2428 } 2429 } 2430 } 2431 2432 static void 2433 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2434 int *x, int *y, int *z) 2435 { 2436 2437 /* 2438 * PS2++ protocl packet 2439 * 2440 * b7 b6 b5 b4 b3 b2 b1 b0 2441 * byte 1: * 1 p3 p2 1 * * * 2442 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2443 * 2444 * p3-p0: packet type 2445 * c1, c2: c1 & c2 == 1, if p2 == 0 2446 * c1 & c2 == 0, if p2 == 1 2447 * 2448 * packet type: 0 (device type) 2449 * See comments in enable_mmanplus() below. 2450 * 2451 * packet type: 1 (wheel data) 2452 * 2453 * b7 b6 b5 b4 b3 b2 b1 b0 2454 * byte 3: h * B5 B4 s d2 d1 d0 2455 * 2456 * h: 1, if horizontal roller data 2457 * 0, if vertical roller data 2458 * B4, B5: button 4 and 5 2459 * s: sign bit 2460 * d2-d0: roller data 2461 * 2462 * packet type: 2 (reserved) 2463 */ 2464 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2465 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2466 /* 2467 * the extended data packet encodes button 2468 * and wheel events 2469 */ 2470 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2471 case 1: 2472 /* wheel data packet */ 2473 *x = *y = 0; 2474 if (pb->ipacket[2] & 0x80) { 2475 /* XXX horizontal roller count - ignore it */ 2476 ; 2477 } else { 2478 /* vertical roller count */ 2479 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2480 (pb->ipacket[2] & 0x0f) - 16 : 2481 (pb->ipacket[2] & 0x0f); 2482 } 2483 ms->button |= (pb->ipacket[2] & 2484 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2485 MOUSE_BUTTON4DOWN : 0; 2486 ms->button |= (pb->ipacket[2] & 2487 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2488 MOUSE_BUTTON5DOWN : 0; 2489 break; 2490 case 2: 2491 /* 2492 * this packet type is reserved by 2493 * Logitech... 2494 */ 2495 /* 2496 * IBM ScrollPoint Mouse uses this 2497 * packet type to encode both vertical 2498 * and horizontal scroll movement. 2499 */ 2500 *x = *y = 0; 2501 /* horizontal count */ 2502 if (pb->ipacket[2] & 0x0f) 2503 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2504 -2 : 2; 2505 /* vertical count */ 2506 if (pb->ipacket[2] & 0xf0) 2507 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2508 -1 : 1; 2509 break; 2510 case 0: 2511 /* device type packet - shouldn't happen */ 2512 /* FALLTHROUGH */ 2513 default: 2514 *x = *y = 0; 2515 ms->button = ms->obutton; 2516 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2517 "type %d: 0x%02x 0x%02x 0x%02x\n", 2518 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2519 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2520 break; 2521 } 2522 } else { 2523 /* preserve button states */ 2524 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2525 } 2526 } 2527 2528 static int 2529 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2530 int *x, int *y, int *z) 2531 { 2532 static int touchpad_buttons; 2533 static int guest_buttons; 2534 int w, x0, y0; 2535 2536 /* TouchPad PS/2 absolute mode message format 2537 * 2538 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2539 * ------------------------------------------------ 2540 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2541 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2542 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2543 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2544 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2545 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2546 * 2547 * Legend: 2548 * L: left physical mouse button 2549 * R: right physical mouse button 2550 * D: down button 2551 * U: up button 2552 * W: "wrist" value 2553 * X: x position 2554 * Y: y position 2555 * Z: pressure 2556 * 2557 * Absolute reportable limits: 0 - 6143. 2558 * Typical bezel limits: 1472 - 5472. 2559 * Typical edge marings: 1632 - 5312. 2560 * 2561 * w = 3 Passthrough Packet 2562 * 2563 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2564 */ 2565 2566 if (!synaptics_support) 2567 return (0); 2568 2569 /* Sanity check for out of sync packets. */ 2570 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2571 (pb->ipacket[3] & 0xc8) != 0xc0) 2572 return (-1); 2573 2574 *x = *y = 0; 2575 2576 /* 2577 * Pressure value. 2578 * Interpretation: 2579 * z = 0 No finger contact 2580 * z = 10 Finger hovering near the pad 2581 * z = 30 Very light finger contact 2582 * z = 80 Normal finger contact 2583 * z = 110 Very heavy finger contact 2584 * z = 200 Finger lying flat on pad surface 2585 * z = 255 Maximum reportable Z 2586 */ 2587 *z = pb->ipacket[2]; 2588 2589 /* 2590 * Finger width value 2591 * Interpretation: 2592 * w = 0 Two finger on the pad (capMultiFinger needed) 2593 * w = 1 Three or more fingers (capMultiFinger needed) 2594 * w = 2 Pen (instead of finger) (capPen needed) 2595 * w = 3 Reserved (passthrough?) 2596 * w = 4-7 Finger of normal width (capPalmDetect needed) 2597 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2598 * w = 15 Maximum reportable width (capPalmDetect needed) 2599 */ 2600 /* XXX Is checking capExtended enough? */ 2601 if (sc->synhw.capExtended) 2602 w = ((pb->ipacket[0] & 0x30) >> 2) | 2603 ((pb->ipacket[0] & 0x04) >> 1) | 2604 ((pb->ipacket[3] & 0x04) >> 2); 2605 else { 2606 /* Assume a finger of regular width. */ 2607 w = 4; 2608 } 2609 2610 /* Handle packets from the guest device */ 2611 /* XXX Documentation? */ 2612 if (w == 3 && sc->synhw.capPassthrough) { 2613 *x = ((pb->ipacket[1] & 0x10) ? 2614 pb->ipacket[4] - 256 : pb->ipacket[4]); 2615 *y = ((pb->ipacket[1] & 0x20) ? 2616 pb->ipacket[5] - 256 : pb->ipacket[5]); 2617 *z = 0; 2618 2619 guest_buttons = 0; 2620 if (pb->ipacket[1] & 0x01) 2621 guest_buttons |= MOUSE_BUTTON1DOWN; 2622 if (pb->ipacket[1] & 0x04) 2623 guest_buttons |= MOUSE_BUTTON2DOWN; 2624 if (pb->ipacket[1] & 0x02) 2625 guest_buttons |= MOUSE_BUTTON3DOWN; 2626 2627 ms->button = touchpad_buttons | guest_buttons; 2628 goto SYNAPTICS_END; 2629 } 2630 2631 /* Button presses */ 2632 touchpad_buttons = 0; 2633 if (pb->ipacket[0] & 0x01) 2634 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2635 if (pb->ipacket[0] & 0x02) 2636 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2637 2638 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2639 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2640 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2641 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2642 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2643 } 2644 2645 /* 2646 * In newer pads - bit 0x02 in the third byte of 2647 * the packet indicates that we have an extended 2648 * button press. 2649 */ 2650 /* XXX Documentation? */ 2651 if (pb->ipacket[3] & 0x02) { 2652 /* 2653 * if directional_scrolls is not 1, we treat any of 2654 * the scrolling directions as middle-click. 2655 */ 2656 if (sc->syninfo.directional_scrolls) { 2657 if (pb->ipacket[4] & 0x01) 2658 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2659 if (pb->ipacket[5] & 0x01) 2660 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2661 if (pb->ipacket[4] & 0x02) 2662 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2663 if (pb->ipacket[5] & 0x02) 2664 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2665 } else { 2666 if ((pb->ipacket[4] & 0x0F) || 2667 (pb->ipacket[5] & 0x0F)) 2668 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2669 } 2670 } 2671 2672 ms->button = touchpad_buttons | guest_buttons; 2673 2674 /* Check pressure to detect a real wanted action on the 2675 * touchpad. */ 2676 if (*z >= sc->syninfo.min_pressure) { 2677 synapticsaction_t *synaction; 2678 int cursor, peer, window; 2679 int dx, dy, dxp, dyp; 2680 int max_width, max_pressure; 2681 int margin_top, margin_right, margin_bottom, margin_left; 2682 int na_top, na_right, na_bottom, na_left; 2683 int window_min, window_max; 2684 int multiplicator; 2685 int weight_current, weight_previous, weight_len_squared; 2686 int div_min, div_max, div_len; 2687 int vscroll_hor_area, vscroll_ver_area; 2688 2689 int len, weight_prev_x, weight_prev_y; 2690 int div_max_x, div_max_y, div_x, div_y; 2691 2692 /* Read sysctl. */ 2693 /* XXX Verify values? */ 2694 max_width = sc->syninfo.max_width; 2695 max_pressure = sc->syninfo.max_pressure; 2696 margin_top = sc->syninfo.margin_top; 2697 margin_right = sc->syninfo.margin_right; 2698 margin_bottom = sc->syninfo.margin_bottom; 2699 margin_left = sc->syninfo.margin_left; 2700 na_top = sc->syninfo.na_top; 2701 na_right = sc->syninfo.na_right; 2702 na_bottom = sc->syninfo.na_bottom; 2703 na_left = sc->syninfo.na_left; 2704 window_min = sc->syninfo.window_min; 2705 window_max = sc->syninfo.window_max; 2706 multiplicator = sc->syninfo.multiplicator; 2707 weight_current = sc->syninfo.weight_current; 2708 weight_previous = sc->syninfo.weight_previous; 2709 weight_len_squared = sc->syninfo.weight_len_squared; 2710 div_min = sc->syninfo.div_min; 2711 div_max = sc->syninfo.div_max; 2712 div_len = sc->syninfo.div_len; 2713 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2714 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2715 2716 /* Palm detection. */ 2717 if (!( 2718 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2719 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2720 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2721 (sc->synhw.capPen && w == 2))) { 2722 /* 2723 * We consider the packet irrelevant for the current 2724 * action when: 2725 * - the width isn't comprised in: 2726 * [4; max_width] 2727 * - the pressure isn't comprised in: 2728 * [min_pressure; max_pressure] 2729 * - pen aren't supported but w is 2 2730 * 2731 * Note that this doesn't terminate the current action. 2732 */ 2733 VLOG(2, (LOG_DEBUG, 2734 "synaptics: palm detected! (%d)\n", w)); 2735 goto SYNAPTICS_END; 2736 } 2737 2738 /* Read current absolute position. */ 2739 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2740 ((pb->ipacket[1] & 0x0f) << 8) | 2741 pb->ipacket[4]; 2742 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2743 ((pb->ipacket[1] & 0xf0) << 4) | 2744 pb->ipacket[5]; 2745 2746 synaction = &(sc->synaction); 2747 2748 /* 2749 * If the action is just beginning, init the structure and 2750 * compute tap timeout. 2751 */ 2752 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2753 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2754 2755 /* Store the first point of this action. */ 2756 synaction->start_x = x0; 2757 synaction->start_y = y0; 2758 dx = dy = 0; 2759 2760 /* Initialize queue. */ 2761 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2762 synaction->queue_len = 0; 2763 synaction->window_min = window_min; 2764 2765 /* Reset average. */ 2766 synaction->avg_dx = 0; 2767 synaction->avg_dy = 0; 2768 2769 /* Reset squelch. */ 2770 synaction->squelch_x = 0; 2771 synaction->squelch_y = 0; 2772 2773 /* Reset pressure peak. */ 2774 sc->zmax = 0; 2775 2776 /* Reset fingers count. */ 2777 synaction->fingers_nb = 0; 2778 2779 /* Reset virtual scrolling state. */ 2780 synaction->in_vscroll = 0; 2781 2782 /* Compute tap timeout. */ 2783 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2784 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2785 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2786 2787 sc->flags |= PSM_FLAGS_FINGERDOWN; 2788 } else { 2789 /* Calculate the current delta. */ 2790 cursor = synaction->queue_cursor; 2791 dx = x0 - synaction->queue[cursor].x; 2792 dy = y0 - synaction->queue[cursor].y; 2793 } 2794 2795 /* If in tap-hold, add the recorded button. */ 2796 if (synaction->in_taphold) 2797 ms->button |= synaction->tap_button; 2798 2799 /* 2800 * From now on, we can use the SYNAPTICS_END label to skip 2801 * the current packet. 2802 */ 2803 2804 /* 2805 * Limit the coordinates to the specified margins because 2806 * this area isn't very reliable. 2807 */ 2808 if (x0 <= margin_left) 2809 x0 = margin_left; 2810 else if (x0 >= 6143 - margin_right) 2811 x0 = 6143 - margin_right; 2812 if (y0 <= margin_bottom) 2813 y0 = margin_bottom; 2814 else if (y0 >= 6143 - margin_top) 2815 y0 = 6143 - margin_top; 2816 2817 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2818 x0, y0, *z, w)); 2819 2820 /* Queue this new packet. */ 2821 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2822 synaction->queue[cursor].x = x0; 2823 synaction->queue[cursor].y = y0; 2824 synaction->queue_cursor = cursor; 2825 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2826 synaction->queue_len++; 2827 VLOG(5, (LOG_DEBUG, 2828 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2829 cursor, x0, y0, dx, dy)); 2830 2831 /* 2832 * For tap, we keep the maximum number of fingers and the 2833 * pressure peak. Also with multiple fingers, we increase 2834 * the minimum window. 2835 */ 2836 switch (w) { 2837 case 1: /* Three or more fingers. */ 2838 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2839 synaction->window_min = window_max; 2840 break; 2841 case 0: /* Two fingers. */ 2842 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2843 synaction->window_min = window_max; 2844 break; 2845 default: /* One finger or undetectable. */ 2846 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2847 } 2848 sc->zmax = imax(*z, sc->zmax); 2849 2850 /* Do we have enough packets to consider this a movement? */ 2851 if (synaction->queue_len < synaction->window_min) 2852 goto SYNAPTICS_END; 2853 2854 /* Is a scrolling action occuring? */ 2855 if (!synaction->in_taphold && !synaction->in_vscroll) { 2856 /* 2857 * A scrolling action must not conflict with a tap 2858 * action. Here are the conditions to consider a 2859 * scrolling action: 2860 * - the action in a configurable area 2861 * - one of the following: 2862 * . the distance between the last packet and the 2863 * first should be above a configurable minimum 2864 * . tap timed out 2865 */ 2866 dxp = abs(synaction->queue[synaction->queue_cursor].x - 2867 synaction->start_x); 2868 dyp = abs(synaction->queue[synaction->queue_cursor].y - 2869 synaction->start_y); 2870 2871 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 2872 dxp >= sc->syninfo.vscroll_min_delta || 2873 dyp >= sc->syninfo.vscroll_min_delta) { 2874 /* Check for horizontal scrolling. */ 2875 if ((vscroll_hor_area > 0 && 2876 synaction->start_y <= vscroll_hor_area) || 2877 (vscroll_hor_area < 0 && 2878 synaction->start_y >= 2879 6143 + vscroll_hor_area)) 2880 synaction->in_vscroll += 2; 2881 2882 /* Check for vertical scrolling. */ 2883 if ((vscroll_ver_area > 0 && 2884 synaction->start_x <= vscroll_ver_area) || 2885 (vscroll_ver_area < 0 && 2886 synaction->start_x >= 2887 6143 + vscroll_ver_area)) 2888 synaction->in_vscroll += 1; 2889 2890 /* Avoid conflicts if area overlaps. */ 2891 if (synaction->in_vscroll == 3) 2892 synaction->in_vscroll = 2893 (dxp > dyp) ? 2 : 1; 2894 } 2895 VLOG(5, (LOG_DEBUG, 2896 "synaptics: virtual scrolling: %s " 2897 "(direction=%d, dxp=%d, dyp=%d)\n", 2898 synaction->in_vscroll ? "YES" : "NO", 2899 synaction->in_vscroll, dxp, dyp)); 2900 } 2901 2902 weight_prev_x = weight_prev_y = weight_previous; 2903 div_max_x = div_max_y = div_max; 2904 2905 if (synaction->in_vscroll) { 2906 /* Dividers are different with virtual scrolling. */ 2907 div_min = sc->syninfo.vscroll_div_min; 2908 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 2909 } else { 2910 /* 2911 * There's a lot of noise in coordinates when 2912 * the finger is on the touchpad's borders. When 2913 * using this area, we apply a special weight and 2914 * div. 2915 */ 2916 if (x0 <= na_left || x0 >= 6143 - na_right) { 2917 weight_prev_x = sc->syninfo.weight_previous_na; 2918 div_max_x = sc->syninfo.div_max_na; 2919 } 2920 2921 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 2922 weight_prev_y = sc->syninfo.weight_previous_na; 2923 div_max_y = sc->syninfo.div_max_na; 2924 } 2925 } 2926 2927 /* 2928 * Calculate weights for the average operands and 2929 * the divisor. Both depend on the distance between 2930 * the current packet and a previous one (based on the 2931 * window width). 2932 */ 2933 window = imin(synaction->queue_len, window_max); 2934 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 2935 dxp = abs(x0 - synaction->queue[peer].x) + 1; 2936 dyp = abs(y0 - synaction->queue[peer].y) + 1; 2937 len = (dxp * dxp) + (dyp * dyp); 2938 weight_prev_x = imin(weight_prev_x, 2939 weight_len_squared * weight_prev_x / len); 2940 weight_prev_y = imin(weight_prev_y, 2941 weight_len_squared * weight_prev_y / len); 2942 2943 len = (dxp + dyp) / 2; 2944 div_x = div_len * div_max_x / len; 2945 div_x = imin(div_max_x, div_x); 2946 div_x = imax(div_min, div_x); 2947 div_y = div_len * div_max_y / len; 2948 div_y = imin(div_max_y, div_y); 2949 div_y = imax(div_min, div_y); 2950 2951 VLOG(3, (LOG_DEBUG, 2952 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 2953 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 2954 2955 /* Compute averages. */ 2956 synaction->avg_dx = 2957 (weight_current * dx * multiplicator + 2958 weight_prev_x * synaction->avg_dx) / 2959 (weight_current + weight_prev_x); 2960 2961 synaction->avg_dy = 2962 (weight_current * dy * multiplicator + 2963 weight_prev_y * synaction->avg_dy) / 2964 (weight_current + weight_prev_y); 2965 2966 VLOG(5, (LOG_DEBUG, 2967 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 2968 synaction->avg_dx / multiplicator, 2969 synaction->avg_dy / multiplicator)); 2970 2971 /* Use these averages to calculate x & y. */ 2972 synaction->squelch_x += synaction->avg_dx; 2973 *x = synaction->squelch_x / (div_x * multiplicator); 2974 synaction->squelch_x = synaction->squelch_x % 2975 (div_x * multiplicator); 2976 2977 synaction->squelch_y += synaction->avg_dy; 2978 *y = synaction->squelch_y / (div_y * multiplicator); 2979 synaction->squelch_y = synaction->squelch_y % 2980 (div_y * multiplicator); 2981 2982 if (synaction->in_vscroll) { 2983 switch(synaction->in_vscroll) { 2984 case 1: /* Vertical scrolling. */ 2985 if (*y != 0) 2986 ms->button |= (*y > 0) ? 2987 MOUSE_BUTTON4DOWN : 2988 MOUSE_BUTTON5DOWN; 2989 break; 2990 case 2: /* Horizontal scrolling. */ 2991 if (*x != 0) 2992 ms->button |= (*x > 0) ? 2993 MOUSE_BUTTON7DOWN : 2994 MOUSE_BUTTON6DOWN; 2995 break; 2996 } 2997 2998 /* The pointer is not moved. */ 2999 *x = *y = 0; 3000 } else { 3001 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3002 dx, dy, *x, *y)); 3003 } 3004 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3005 /* 3006 * An action is currently taking place but the pressure 3007 * dropped under the minimum, putting an end to it. 3008 */ 3009 synapticsaction_t *synaction; 3010 int taphold_timeout, dx, dy, tap_max_delta; 3011 3012 synaction = &(sc->synaction); 3013 dx = abs(synaction->queue[synaction->queue_cursor].x - 3014 synaction->start_x); 3015 dy = abs(synaction->queue[synaction->queue_cursor].y - 3016 synaction->start_y); 3017 3018 /* Max delta is disabled for multi-fingers tap. */ 3019 if (synaction->fingers_nb > 1) 3020 tap_max_delta = imax(dx, dy); 3021 else 3022 tap_max_delta = sc->syninfo.tap_max_delta; 3023 3024 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3025 3026 /* Check for tap. */ 3027 VLOG(3, (LOG_DEBUG, 3028 "synaptics: zmax=%d, dx=%d, dy=%d, " 3029 "delta=%d, fingers=%d, queue=%d\n", 3030 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3031 synaction->queue_len)); 3032 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3033 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3034 dx <= tap_max_delta && dy <= tap_max_delta && 3035 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3036 /* 3037 * We have a tap if: 3038 * - the maximum pressure went over tap_threshold 3039 * - the action ended before tap_timeout 3040 * 3041 * To handle tap-hold, we must delay any button push to 3042 * the next action. 3043 */ 3044 if (synaction->in_taphold) { 3045 /* 3046 * This is the second and last tap of a 3047 * double tap action, not a tap-hold. 3048 */ 3049 synaction->in_taphold = 0; 3050 3051 /* 3052 * For double-tap to work: 3053 * - no button press is emitted (to 3054 * simulate a button release) 3055 * - PSM_FLAGS_FINGERDOWN is set to 3056 * force the next packet to emit a 3057 * button press) 3058 */ 3059 VLOG(2, (LOG_DEBUG, 3060 "synaptics: button RELEASE: %d\n", 3061 synaction->tap_button)); 3062 sc->flags |= PSM_FLAGS_FINGERDOWN; 3063 } else { 3064 /* 3065 * This is the first tap: we set the 3066 * tap-hold state and notify the button 3067 * down event. 3068 */ 3069 synaction->in_taphold = 1; 3070 taphold_timeout = sc->syninfo.taphold_timeout; 3071 sc->taptimeout.tv_sec = taphold_timeout / 3072 1000000; 3073 sc->taptimeout.tv_usec = taphold_timeout % 3074 1000000; 3075 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3076 3077 switch (synaction->fingers_nb) { 3078 case 3: 3079 synaction->tap_button = 3080 MOUSE_BUTTON2DOWN; 3081 break; 3082 case 2: 3083 synaction->tap_button = 3084 MOUSE_BUTTON3DOWN; 3085 break; 3086 default: 3087 synaction->tap_button = 3088 MOUSE_BUTTON1DOWN; 3089 } 3090 VLOG(2, (LOG_DEBUG, 3091 "synaptics: button PRESS: %d\n", 3092 synaction->tap_button)); 3093 ms->button |= synaction->tap_button; 3094 } 3095 } else { 3096 /* 3097 * Not enough pressure or timeout: reset 3098 * tap-hold state. 3099 */ 3100 if (synaction->in_taphold) { 3101 VLOG(2, (LOG_DEBUG, 3102 "synaptics: button RELEASE: %d\n", 3103 synaction->tap_button)); 3104 synaction->in_taphold = 0; 3105 } else { 3106 VLOG(2, (LOG_DEBUG, 3107 "synaptics: not a tap-hold\n")); 3108 } 3109 } 3110 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3111 sc->synaction.in_taphold) { 3112 /* 3113 * For a tap-hold to work, the button must remain down at 3114 * least until timeout (where the in_taphold flags will be 3115 * cleared) or during the next action. 3116 */ 3117 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3118 ms->button |= sc->synaction.tap_button; 3119 } else { 3120 VLOG(2, (LOG_DEBUG, 3121 "synaptics: button RELEASE: %d\n", 3122 sc->synaction.tap_button)); 3123 sc->synaction.in_taphold = 0; 3124 } 3125 } 3126 3127 SYNAPTICS_END: 3128 /* 3129 * Use the extra buttons as a scrollwheel 3130 * 3131 * XXX X.Org uses the Z axis for vertical wheel only, 3132 * whereas moused(8) understands special values to differ 3133 * vertical and horizontal wheels. 3134 * 3135 * xf86-input-mouse needs therefore a small patch to 3136 * understand these special values. Without it, the 3137 * horizontal wheel acts as a vertical wheel in X.Org. 3138 * 3139 * That's why the horizontal wheel is disabled by 3140 * default for now. 3141 */ 3142 if (ms->button & MOUSE_BUTTON4DOWN) { 3143 *z = -1; 3144 ms->button &= ~MOUSE_BUTTON4DOWN; 3145 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3146 *z = 1; 3147 ms->button &= ~MOUSE_BUTTON5DOWN; 3148 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3149 *z = -2; 3150 ms->button &= ~MOUSE_BUTTON6DOWN; 3151 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3152 *z = 2; 3153 ms->button &= ~MOUSE_BUTTON7DOWN; 3154 } else 3155 *z = 0; 3156 3157 return (0); 3158 } 3159 3160 static void 3161 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3162 int *x, int *y, int *z) 3163 { 3164 static int butmap_versapad[8] = { 3165 0, 3166 MOUSE_BUTTON3DOWN, 3167 0, 3168 MOUSE_BUTTON3DOWN, 3169 MOUSE_BUTTON1DOWN, 3170 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3171 MOUSE_BUTTON1DOWN, 3172 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3173 }; 3174 int c, x0, y0; 3175 3176 /* VersaPad PS/2 absolute mode message format 3177 * 3178 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3179 * ipacket[0]: 1 1 0 A 1 L T R 3180 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3181 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3182 * ipacket[3]: 1 1 1 A 1 L T R 3183 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3184 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3185 * 3186 * [note] 3187 * R: right physical mouse button (1=on) 3188 * T: touch pad virtual button (1=tapping) 3189 * L: left physical mouse button (1=on) 3190 * A: position data is valid (1=valid) 3191 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3192 * V: vertical data (12bit signed integer. V11 is sign bit.) 3193 * P: pressure data 3194 * 3195 * Tapping is mapped to MOUSE_BUTTON4. 3196 */ 3197 c = pb->ipacket[0]; 3198 *x = *y = 0; 3199 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3200 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3201 if (c & MOUSE_PS2VERSA_IN_USE) { 3202 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3203 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3204 if (x0 & 0x800) 3205 x0 -= 0x1000; 3206 if (y0 & 0x800) 3207 y0 -= 0x1000; 3208 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3209 *x = sc->xold - x0; 3210 *y = y0 - sc->yold; 3211 if (*x < 0) /* XXX */ 3212 ++*x; 3213 else if (*x) 3214 --*x; 3215 if (*y < 0) 3216 ++*y; 3217 else if (*y) 3218 --*y; 3219 } else 3220 sc->flags |= PSM_FLAGS_FINGERDOWN; 3221 sc->xold = x0; 3222 sc->yold = y0; 3223 } else 3224 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3225 } 3226 3227 static void 3228 psmsoftintr(void *arg) 3229 { 3230 /* 3231 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3232 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3233 */ 3234 static int butmap[8] = { 3235 0, 3236 MOUSE_BUTTON1DOWN, 3237 MOUSE_BUTTON3DOWN, 3238 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3239 MOUSE_BUTTON2DOWN, 3240 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3241 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3242 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3243 }; 3244 register struct psm_softc *sc = arg; 3245 mousestatus_t ms; 3246 packetbuf_t *pb; 3247 int x, y, z, c, l, s; 3248 3249 getmicrouptime(&sc->lastsoftintr); 3250 3251 s = spltty(); 3252 3253 do { 3254 pb = &sc->pqueue[sc->pqueue_start]; 3255 3256 if (sc->mode.level == PSM_LEVEL_NATIVE) 3257 goto next_native; 3258 3259 c = pb->ipacket[0]; 3260 /* 3261 * A kludge for Kensington device! 3262 * The MSB of the horizontal count appears to be stored in 3263 * a strange place. 3264 */ 3265 if (sc->hw.model == MOUSE_MODEL_THINK) 3266 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3267 3268 /* ignore the overflow bits... */ 3269 x = (c & MOUSE_PS2_XNEG) ? 3270 pb->ipacket[1] - 256 : pb->ipacket[1]; 3271 y = (c & MOUSE_PS2_YNEG) ? 3272 pb->ipacket[2] - 256 : pb->ipacket[2]; 3273 z = 0; 3274 ms.obutton = sc->button; /* previous button state */ 3275 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3276 /* `tapping' action */ 3277 if (sc->config & PSM_CONFIG_FORCETAP) 3278 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3279 0 : MOUSE_BUTTON4DOWN; 3280 3281 switch (sc->hw.model) { 3282 3283 case MOUSE_MODEL_EXPLORER: 3284 /* 3285 * b7 b6 b5 b4 b3 b2 b1 b0 3286 * byte 1: oy ox sy sx 1 M R L 3287 * byte 2: x x x x x x x x 3288 * byte 3: y y y y y y y y 3289 * byte 4: * * S2 S1 s d2 d1 d0 3290 * 3291 * L, M, R, S1, S2: left, middle, right and side buttons 3292 * s: wheel data sign bit 3293 * d2-d0: wheel data 3294 */ 3295 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3296 (pb->ipacket[3] & 0x0f) - 16 : 3297 (pb->ipacket[3] & 0x0f); 3298 ms.button |= 3299 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3300 MOUSE_BUTTON4DOWN : 0; 3301 ms.button |= 3302 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3303 MOUSE_BUTTON5DOWN : 0; 3304 break; 3305 3306 case MOUSE_MODEL_INTELLI: 3307 case MOUSE_MODEL_NET: 3308 /* wheel data is in the fourth byte */ 3309 z = (char)pb->ipacket[3]; 3310 /* 3311 * XXX some mice may send 7 when there is no Z movement? */ 3312 if ((z >= 7) || (z <= -7)) 3313 z = 0; 3314 /* some compatible mice have additional buttons */ 3315 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3316 MOUSE_BUTTON4DOWN : 0; 3317 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3318 MOUSE_BUTTON5DOWN : 0; 3319 break; 3320 3321 case MOUSE_MODEL_MOUSEMANPLUS: 3322 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3323 break; 3324 3325 case MOUSE_MODEL_GLIDEPOINT: 3326 /* `tapping' action */ 3327 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3328 MOUSE_BUTTON4DOWN; 3329 break; 3330 3331 case MOUSE_MODEL_NETSCROLL: 3332 /* 3333 * three addtional bytes encode buttons and 3334 * wheel events 3335 */ 3336 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3337 MOUSE_BUTTON4DOWN : 0; 3338 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3339 MOUSE_BUTTON5DOWN : 0; 3340 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3341 pb->ipacket[4] - 256 : pb->ipacket[4]; 3342 break; 3343 3344 case MOUSE_MODEL_THINK: 3345 /* the fourth button state in the first byte */ 3346 ms.button |= (c & MOUSE_PS2_TAP) ? 3347 MOUSE_BUTTON4DOWN : 0; 3348 break; 3349 3350 case MOUSE_MODEL_VERSAPAD: 3351 proc_versapad(sc, pb, &ms, &x, &y, &z); 3352 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3353 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3354 break; 3355 3356 case MOUSE_MODEL_4D: 3357 /* 3358 * b7 b6 b5 b4 b3 b2 b1 b0 3359 * byte 1: s2 d2 s1 d1 1 M R L 3360 * byte 2: sx x x x x x x x 3361 * byte 3: sy y y y y y y y 3362 * 3363 * s1: wheel 1 direction 3364 * d1: wheel 1 data 3365 * s2: wheel 2 direction 3366 * d2: wheel 2 data 3367 */ 3368 x = (pb->ipacket[1] & 0x80) ? 3369 pb->ipacket[1] - 256 : pb->ipacket[1]; 3370 y = (pb->ipacket[2] & 0x80) ? 3371 pb->ipacket[2] - 256 : pb->ipacket[2]; 3372 switch (c & MOUSE_4D_WHEELBITS) { 3373 case 0x10: 3374 z = 1; 3375 break; 3376 case 0x30: 3377 z = -1; 3378 break; 3379 case 0x40: /* XXX 2nd wheel turning right */ 3380 z = 2; 3381 break; 3382 case 0xc0: /* XXX 2nd wheel turning left */ 3383 z = -2; 3384 break; 3385 } 3386 break; 3387 3388 case MOUSE_MODEL_4DPLUS: 3389 if ((x < 16 - 256) && (y < 16 - 256)) { 3390 /* 3391 * b7 b6 b5 b4 b3 b2 b1 b0 3392 * byte 1: 0 0 1 1 1 M R L 3393 * byte 2: 0 0 0 0 1 0 0 0 3394 * byte 3: 0 0 0 0 S s d1 d0 3395 * 3396 * L, M, R, S: left, middle, right, 3397 * and side buttons 3398 * s: wheel data sign bit 3399 * d1-d0: wheel data 3400 */ 3401 x = y = 0; 3402 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3403 ms.button |= MOUSE_BUTTON4DOWN; 3404 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3405 ((pb->ipacket[2] & 0x07) - 8) : 3406 (pb->ipacket[2] & 0x07) ; 3407 } else { 3408 /* preserve previous button states */ 3409 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3410 } 3411 break; 3412 3413 case MOUSE_MODEL_SYNAPTICS: 3414 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3415 goto next; 3416 break; 3417 3418 case MOUSE_MODEL_GENERIC: 3419 default: 3420 break; 3421 } 3422 3423 /* scale values */ 3424 if (sc->mode.accelfactor >= 1) { 3425 if (x != 0) { 3426 x = x * x / sc->mode.accelfactor; 3427 if (x == 0) 3428 x = 1; 3429 if (c & MOUSE_PS2_XNEG) 3430 x = -x; 3431 } 3432 if (y != 0) { 3433 y = y * y / sc->mode.accelfactor; 3434 if (y == 0) 3435 y = 1; 3436 if (c & MOUSE_PS2_YNEG) 3437 y = -y; 3438 } 3439 } 3440 3441 ms.dx = x; 3442 ms.dy = y; 3443 ms.dz = z; 3444 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3445 (ms.obutton ^ ms.button); 3446 3447 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3448 3449 sc->status.flags |= ms.flags; 3450 sc->status.dx += ms.dx; 3451 sc->status.dy += ms.dy; 3452 sc->status.dz += ms.dz; 3453 sc->status.button = ms.button; 3454 sc->button = ms.button; 3455 3456 next_native: 3457 sc->watchdog = FALSE; 3458 3459 /* queue data */ 3460 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3461 l = imin(pb->inputbytes, 3462 sizeof(sc->queue.buf) - sc->queue.tail); 3463 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3464 if (pb->inputbytes > l) 3465 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3466 pb->inputbytes - l); 3467 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3468 sizeof(sc->queue.buf); 3469 sc->queue.count += pb->inputbytes; 3470 } 3471 pb->inputbytes = 0; 3472 3473 next: 3474 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3475 sc->pqueue_start = 0; 3476 } while (sc->pqueue_start != sc->pqueue_end); 3477 3478 if (sc->state & PSM_ASLP) { 3479 sc->state &= ~PSM_ASLP; 3480 wakeup(sc); 3481 } 3482 selwakeuppri(&sc->rsel, PZERO); 3483 if (sc->async != NULL) { 3484 pgsigio(&sc->async, SIGIO, 0); 3485 } 3486 sc->state &= ~PSM_SOFTARMED; 3487 splx(s); 3488 } 3489 3490 static int 3491 psmpoll(struct cdev *dev, int events, struct thread *td) 3492 { 3493 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 3494 int s; 3495 int revents = 0; 3496 3497 /* Return true if a mouse event available */ 3498 s = spltty(); 3499 if (events & (POLLIN | POLLRDNORM)) { 3500 if (sc->queue.count > 0) 3501 revents |= events & (POLLIN | POLLRDNORM); 3502 else 3503 selrecord(td, &sc->rsel); 3504 } 3505 splx(s); 3506 3507 return (revents); 3508 } 3509 3510 /* vendor/model specific routines */ 3511 3512 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3513 { 3514 if (set_mouse_resolution(kbdc, res) != res) 3515 return (FALSE); 3516 if (set_mouse_scaling(kbdc, scale) && 3517 set_mouse_scaling(kbdc, scale) && 3518 set_mouse_scaling(kbdc, scale) && 3519 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3520 return (TRUE); 3521 return (FALSE); 3522 } 3523 3524 static int 3525 mouse_ext_command(KBDC kbdc, int command) 3526 { 3527 int c; 3528 3529 c = (command >> 6) & 0x03; 3530 if (set_mouse_resolution(kbdc, c) != c) 3531 return (FALSE); 3532 c = (command >> 4) & 0x03; 3533 if (set_mouse_resolution(kbdc, c) != c) 3534 return (FALSE); 3535 c = (command >> 2) & 0x03; 3536 if (set_mouse_resolution(kbdc, c) != c) 3537 return (FALSE); 3538 c = (command >> 0) & 0x03; 3539 if (set_mouse_resolution(kbdc, c) != c) 3540 return (FALSE); 3541 return (TRUE); 3542 } 3543 3544 #ifdef notyet 3545 /* Logitech MouseMan Cordless II */ 3546 static int 3547 enable_lcordless(struct psm_softc *sc) 3548 { 3549 int status[3]; 3550 int ch; 3551 3552 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 3553 return (FALSE); 3554 if (status[1] == PSMD_RES_HIGH) 3555 return (FALSE); 3556 ch = (status[0] & 0x07) - 1; /* channel # */ 3557 if ((ch <= 0) || (ch > 4)) 3558 return (FALSE); 3559 /* 3560 * status[1]: always one? 3561 * status[2]: battery status? (0-100) 3562 */ 3563 return (TRUE); 3564 } 3565 #endif /* notyet */ 3566 3567 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3568 static int 3569 enable_groller(struct psm_softc *sc) 3570 { 3571 int status[3]; 3572 3573 /* 3574 * The special sequence to enable the fourth button and the 3575 * roller. Immediately after this sequence check status bytes. 3576 * if the mouse is NetScroll, the second and the third bytes are 3577 * '3' and 'D'. 3578 */ 3579 3580 /* 3581 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3582 * look like the following. 3583 * 3584 * byte 1 bit 7 always 0 3585 * bit 6 stream mode (0) 3586 * bit 5 disabled (0) 3587 * bit 4 1:1 scaling (0) 3588 * bit 3 always 0 3589 * bit 0-2 button status 3590 * byte 2 resolution (PSMD_RES_HIGH) 3591 * byte 3 report rate (?) 3592 */ 3593 3594 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3595 return (FALSE); 3596 if ((status[1] != '3') || (status[2] != 'D')) 3597 return (FALSE); 3598 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3599 sc->hw.buttons = 4; 3600 return (TRUE); 3601 } 3602 3603 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3604 static int 3605 enable_gmouse(struct psm_softc *sc) 3606 { 3607 int status[3]; 3608 3609 /* 3610 * The special sequence to enable the middle, "rubber" button. 3611 * Immediately after this sequence check status bytes. 3612 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3613 * the second and the third bytes are '3' and 'U'. 3614 * NOTE: NetMouse reports that it has three buttons although it has 3615 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3616 * say they have three buttons too and they do have a button on the 3617 * side... 3618 */ 3619 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3620 return (FALSE); 3621 if ((status[1] != '3') || (status[2] != 'U')) 3622 return (FALSE); 3623 return (TRUE); 3624 } 3625 3626 /* ALPS GlidePoint */ 3627 static int 3628 enable_aglide(struct psm_softc *sc) 3629 { 3630 int status[3]; 3631 3632 /* 3633 * The special sequence to obtain ALPS GlidePoint specific 3634 * information. Immediately after this sequence, status bytes will 3635 * contain something interesting. 3636 * NOTE: ALPS produces several models of GlidePoint. Some of those 3637 * do not respond to this sequence, thus, cannot be detected this way. 3638 */ 3639 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 3640 return (FALSE); 3641 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 3642 return (FALSE); 3643 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3644 return (FALSE); 3645 return (TRUE); 3646 } 3647 3648 /* Kensington ThinkingMouse/Trackball */ 3649 static int 3650 enable_kmouse(struct psm_softc *sc) 3651 { 3652 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3653 KBDC kbdc = sc->kbdc; 3654 int status[3]; 3655 int id1; 3656 int id2; 3657 int i; 3658 3659 id1 = get_aux_id(kbdc); 3660 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3661 return (FALSE); 3662 /* 3663 * The device is now in the native mode? It returns a different 3664 * ID value... 3665 */ 3666 id2 = get_aux_id(kbdc); 3667 if ((id1 == id2) || (id2 != 2)) 3668 return (FALSE); 3669 3670 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3671 return (FALSE); 3672 #if PSM_DEBUG >= 2 3673 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3674 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3675 return (FALSE); 3676 #endif 3677 3678 /* 3679 * The special sequence to enable the third and fourth buttons. 3680 * Otherwise they behave like the first and second buttons. 3681 */ 3682 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3683 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3684 return (FALSE); 3685 3686 /* 3687 * At this point, the device is using default resolution and 3688 * sampling rate for the native mode. 3689 */ 3690 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3691 return (FALSE); 3692 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3693 return (FALSE); 3694 3695 /* the device appears be enabled by this sequence, diable it for now */ 3696 disable_aux_dev(kbdc); 3697 empty_aux_buffer(kbdc, 5); 3698 3699 return (TRUE); 3700 } 3701 3702 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3703 static int 3704 enable_mmanplus(struct psm_softc *sc) 3705 { 3706 KBDC kbdc = sc->kbdc; 3707 int data[3]; 3708 3709 /* the special sequence to enable the fourth button and the roller. */ 3710 /* 3711 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3712 * must be called exactly three times since the last RESET command 3713 * before this sequence. XXX 3714 */ 3715 if (!set_mouse_scaling(kbdc, 1)) 3716 return (FALSE); 3717 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3718 return (FALSE); 3719 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3720 return (FALSE); 3721 3722 /* 3723 * PS2++ protocl, packet type 0 3724 * 3725 * b7 b6 b5 b4 b3 b2 b1 b0 3726 * byte 1: * 1 p3 p2 1 * * * 3727 * byte 2: 1 1 p1 p0 m1 m0 1 0 3728 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3729 * 3730 * p3-p0: packet type: 0 3731 * m7-m0: model ID: MouseMan+:0x50, 3732 * FirstMouse+:0x51, 3733 * ScrollPoint:0x58... 3734 */ 3735 /* check constant bits */ 3736 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3737 return (FALSE); 3738 if ((data[1] & 0xc3) != 0xc2) 3739 return (FALSE); 3740 /* check d3-d0 in byte 2 */ 3741 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3742 return (FALSE); 3743 /* check p3-p0 */ 3744 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3745 return (FALSE); 3746 3747 sc->hw.hwid &= 0x00ff; 3748 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3749 3750 /* 3751 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3752 * the wheel and the fourth button events are encoded in the 3753 * special data packet. The mouse may be put in the IntelliMouse mode 3754 * if it is initialized by the IntelliMouse's method. 3755 */ 3756 return (TRUE); 3757 } 3758 3759 /* MS IntelliMouse Explorer */ 3760 static int 3761 enable_msexplorer(struct psm_softc *sc) 3762 { 3763 static u_char rate0[] = { 200, 100, 80, }; 3764 static u_char rate1[] = { 200, 200, 80, }; 3765 KBDC kbdc = sc->kbdc; 3766 int id; 3767 int i; 3768 3769 /* 3770 * This is needed for at least A4Tech X-7xx mice - they do not go 3771 * straight to Explorer mode, but need to be set to Intelli mode 3772 * first. 3773 */ 3774 enable_msintelli(sc); 3775 3776 /* the special sequence to enable the extra buttons and the roller. */ 3777 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) 3778 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3779 return (FALSE); 3780 /* the device will give the genuine ID only after the above sequence */ 3781 id = get_aux_id(kbdc); 3782 if (id != PSM_EXPLORER_ID) 3783 return (FALSE); 3784 3785 sc->hw.hwid = id; 3786 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3787 3788 /* 3789 * XXX: this is a kludge to fool some KVM switch products 3790 * which think they are clever enough to know the 4-byte IntelliMouse 3791 * protocol, and assume any other protocols use 3-byte packets. 3792 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3793 * correctly to the host computer because of this! 3794 * The following sequence is actually IntelliMouse's "wake up" 3795 * sequence; it will make the KVM think the mouse is IntelliMouse 3796 * when it is in fact IntelliMouse Explorer. 3797 */ 3798 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) 3799 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3800 break; 3801 id = get_aux_id(kbdc); 3802 3803 return (TRUE); 3804 } 3805 3806 /* MS IntelliMouse */ 3807 static int 3808 enable_msintelli(struct psm_softc *sc) 3809 { 3810 /* 3811 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3812 * probe routine and act like IntelliMouse. 3813 */ 3814 3815 static u_char rate[] = { 200, 100, 80, }; 3816 KBDC kbdc = sc->kbdc; 3817 int id; 3818 int i; 3819 3820 /* the special sequence to enable the third button and the roller. */ 3821 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3822 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3823 return (FALSE); 3824 /* the device will give the genuine ID only after the above sequence */ 3825 id = get_aux_id(kbdc); 3826 if (id != PSM_INTELLI_ID) 3827 return (FALSE); 3828 3829 sc->hw.hwid = id; 3830 sc->hw.buttons = 3; 3831 3832 return (TRUE); 3833 } 3834 3835 /* A4 Tech 4D Mouse */ 3836 static int 3837 enable_4dmouse(struct psm_softc *sc) 3838 { 3839 /* 3840 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3841 */ 3842 3843 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3844 KBDC kbdc = sc->kbdc; 3845 int id; 3846 int i; 3847 3848 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3849 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3850 return (FALSE); 3851 id = get_aux_id(kbdc); 3852 /* 3853 * WinEasy 4D, 4 Way Scroll 4D: 6 3854 * Cable-Free 4D: 8 (4DPLUS) 3855 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3856 */ 3857 if (id != PSM_4DMOUSE_ID) 3858 return (FALSE); 3859 3860 sc->hw.hwid = id; 3861 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3862 3863 return (TRUE); 3864 } 3865 3866 /* A4 Tech 4D+ Mouse */ 3867 static int 3868 enable_4dplus(struct psm_softc *sc) 3869 { 3870 /* 3871 * Newer wheel mice from A4 Tech seem to use this protocol. 3872 * Older models are recognized as either 4D Mouse or IntelliMouse. 3873 */ 3874 KBDC kbdc = sc->kbdc; 3875 int id; 3876 3877 /* 3878 * enable_4dmouse() already issued the following ID sequence... 3879 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3880 int i; 3881 3882 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3883 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3884 return (FALSE); 3885 */ 3886 3887 id = get_aux_id(kbdc); 3888 switch (id) { 3889 case PSM_4DPLUS_ID: 3890 sc->hw.buttons = 4; 3891 break; 3892 case PSM_4DPLUS_RFSW35_ID: 3893 sc->hw.buttons = 3; 3894 break; 3895 default: 3896 return (FALSE); 3897 } 3898 3899 sc->hw.hwid = id; 3900 3901 return (TRUE); 3902 } 3903 3904 /* Synaptics Touchpad */ 3905 static int 3906 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 3907 { 3908 int error, arg; 3909 3910 /* Read the current value. */ 3911 arg = *(int *)oidp->oid_arg1; 3912 error = sysctl_handle_int(oidp, &arg, 0, req); 3913 3914 /* Sanity check. */ 3915 if (error || !req->newptr) 3916 return (error); 3917 3918 /* 3919 * Check that the new value is in the concerned node's range 3920 * of values. 3921 */ 3922 switch (oidp->oid_arg2) { 3923 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 3924 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 3925 if (arg < 0 || arg > 255) 3926 return (EINVAL); 3927 break; 3928 case SYNAPTICS_SYSCTL_MAX_WIDTH: 3929 if (arg < 4 || arg > 15) 3930 return (EINVAL); 3931 break; 3932 case SYNAPTICS_SYSCTL_MARGIN_TOP: 3933 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 3934 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 3935 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 3936 case SYNAPTICS_SYSCTL_NA_TOP: 3937 case SYNAPTICS_SYSCTL_NA_RIGHT: 3938 case SYNAPTICS_SYSCTL_NA_BOTTOM: 3939 case SYNAPTICS_SYSCTL_NA_LEFT: 3940 if (arg < 0 || arg > 6143) 3941 return (EINVAL); 3942 break; 3943 case SYNAPTICS_SYSCTL_WINDOW_MIN: 3944 case SYNAPTICS_SYSCTL_WINDOW_MAX: 3945 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 3946 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 3947 return (EINVAL); 3948 break; 3949 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 3950 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 3951 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 3952 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 3953 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 3954 case SYNAPTICS_SYSCTL_DIV_MIN: 3955 case SYNAPTICS_SYSCTL_DIV_MAX: 3956 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 3957 case SYNAPTICS_SYSCTL_DIV_LEN: 3958 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 3959 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 3960 if (arg < 1) 3961 return (EINVAL); 3962 break; 3963 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 3964 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 3965 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 3966 if (arg < 0) 3967 return (EINVAL); 3968 break; 3969 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 3970 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 3971 if (arg < -6143 || arg > 6143) 3972 return (EINVAL); 3973 break; 3974 default: 3975 return (EINVAL); 3976 } 3977 3978 /* Update. */ 3979 *(int *)oidp->oid_arg1 = arg; 3980 3981 return (error); 3982 } 3983 3984 static void 3985 synaptics_sysctl_create_tree(struct psm_softc *sc) 3986 { 3987 3988 if (sc->syninfo.sysctl_tree != NULL) 3989 return; 3990 3991 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 3992 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 3993 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 3994 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 3995 0, "Synaptics TouchPad"); 3996 3997 /* hw.psm.synaptics.directional_scrolls. */ 3998 sc->syninfo.directional_scrolls = 1; 3999 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4000 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4001 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4002 &sc->syninfo.directional_scrolls, 0, 4003 "Enable hardware scrolling pad (if non-zero) or register it as " 4004 "a middle-click (if 0)"); 4005 4006 /* hw.psm.synaptics.min_pressure. */ 4007 sc->syninfo.min_pressure = 16; 4008 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4009 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4010 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4011 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4012 synaptics_sysctl, "I", 4013 "Minimum pressure required to start an action"); 4014 4015 /* hw.psm.synaptics.max_pressure. */ 4016 sc->syninfo.max_pressure = 220; 4017 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4018 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4019 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4020 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4021 synaptics_sysctl, "I", 4022 "Maximum pressure to detect palm"); 4023 4024 /* hw.psm.synaptics.max_width. */ 4025 sc->syninfo.max_width = 10; 4026 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4027 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4028 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4029 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4030 synaptics_sysctl, "I", 4031 "Maximum finger width to detect palm"); 4032 4033 /* hw.psm.synaptics.top_margin. */ 4034 sc->syninfo.margin_top = 200; 4035 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4036 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4037 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4038 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4039 synaptics_sysctl, "I", 4040 "Top margin"); 4041 4042 /* hw.psm.synaptics.right_margin. */ 4043 sc->syninfo.margin_right = 200; 4044 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4045 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4046 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4047 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4048 synaptics_sysctl, "I", 4049 "Right margin"); 4050 4051 /* hw.psm.synaptics.bottom_margin. */ 4052 sc->syninfo.margin_bottom = 200; 4053 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4054 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4055 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4056 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4057 synaptics_sysctl, "I", 4058 "Bottom margin"); 4059 4060 /* hw.psm.synaptics.left_margin. */ 4061 sc->syninfo.margin_left = 200; 4062 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4063 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4064 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4065 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4066 synaptics_sysctl, "I", 4067 "Left margin"); 4068 4069 /* hw.psm.synaptics.na_top. */ 4070 sc->syninfo.na_top = 1783; 4071 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4072 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4073 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4074 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4075 synaptics_sysctl, "I", 4076 "Top noisy area, where weight_previous_na is used instead " 4077 "of weight_previous"); 4078 4079 /* hw.psm.synaptics.na_right. */ 4080 sc->syninfo.na_right = 563; 4081 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4082 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4083 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4084 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4085 synaptics_sysctl, "I", 4086 "Right noisy area, where weight_previous_na is used instead " 4087 "of weight_previous"); 4088 4089 /* hw.psm.synaptics.na_bottom. */ 4090 sc->syninfo.na_bottom = 1408; 4091 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4092 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4093 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4094 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4095 synaptics_sysctl, "I", 4096 "Bottom noisy area, where weight_previous_na is used instead " 4097 "of weight_previous"); 4098 4099 /* hw.psm.synaptics.na_left. */ 4100 sc->syninfo.na_left = 1600; 4101 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4102 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4103 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4104 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4105 synaptics_sysctl, "I", 4106 "Left noisy area, where weight_previous_na is used instead " 4107 "of weight_previous"); 4108 4109 /* hw.psm.synaptics.window_min. */ 4110 sc->syninfo.window_min = 4; 4111 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4112 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4113 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4114 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4115 synaptics_sysctl, "I", 4116 "Minimum window size to start an action"); 4117 4118 /* hw.psm.synaptics.window_max. */ 4119 sc->syninfo.window_max = 10; 4120 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4121 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4122 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4123 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4124 synaptics_sysctl, "I", 4125 "Maximum window size"); 4126 4127 /* hw.psm.synaptics.multiplicator. */ 4128 sc->syninfo.multiplicator = 10000; 4129 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4130 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4131 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4132 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4133 synaptics_sysctl, "I", 4134 "Multiplicator to increase precision in averages and divisions"); 4135 4136 /* hw.psm.synaptics.weight_current. */ 4137 sc->syninfo.weight_current = 3; 4138 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4139 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4140 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4141 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4142 synaptics_sysctl, "I", 4143 "Weight of the current movement in the new average"); 4144 4145 /* hw.psm.synaptics.weight_previous. */ 4146 sc->syninfo.weight_previous = 6; 4147 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4148 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4149 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4150 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4151 synaptics_sysctl, "I", 4152 "Weight of the previous average"); 4153 4154 /* hw.psm.synaptics.weight_previous_na. */ 4155 sc->syninfo.weight_previous_na = 20; 4156 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4157 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4158 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4159 &sc->syninfo.weight_previous_na, 4160 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4161 synaptics_sysctl, "I", 4162 "Weight of the previous average (inside the noisy area)"); 4163 4164 /* hw.psm.synaptics.weight_len_squared. */ 4165 sc->syninfo.weight_len_squared = 2000; 4166 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4167 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4168 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4169 &sc->syninfo.weight_len_squared, 4170 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4171 synaptics_sysctl, "I", 4172 "Length (squared) of segments where weight_previous " 4173 "starts to decrease"); 4174 4175 /* hw.psm.synaptics.div_min. */ 4176 sc->syninfo.div_min = 9; 4177 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4178 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4179 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4180 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4181 synaptics_sysctl, "I", 4182 "Divisor for fast movements"); 4183 4184 /* hw.psm.synaptics.div_max. */ 4185 sc->syninfo.div_max = 17; 4186 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4187 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4188 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4189 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4190 synaptics_sysctl, "I", 4191 "Divisor for slow movements"); 4192 4193 /* hw.psm.synaptics.div_max_na. */ 4194 sc->syninfo.div_max_na = 30; 4195 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4196 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4197 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4198 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4199 synaptics_sysctl, "I", 4200 "Divisor with slow movements (inside the noisy area)"); 4201 4202 /* hw.psm.synaptics.div_len. */ 4203 sc->syninfo.div_len = 100; 4204 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4205 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4206 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4207 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4208 synaptics_sysctl, "I", 4209 "Length of segments where div_max starts to decrease"); 4210 4211 /* hw.psm.synaptics.tap_max_delta. */ 4212 sc->syninfo.tap_max_delta = 80; 4213 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4214 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4215 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4216 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4217 synaptics_sysctl, "I", 4218 "Length of segments above which a tap is ignored"); 4219 4220 /* hw.psm.synaptics.tap_min_queue. */ 4221 sc->syninfo.tap_min_queue = 2; 4222 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4223 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4224 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4225 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4226 synaptics_sysctl, "I", 4227 "Number of packets required to consider a tap"); 4228 4229 /* hw.psm.synaptics.taphold_timeout. */ 4230 sc->synaction.in_taphold = 0; 4231 sc->syninfo.taphold_timeout = tap_timeout; 4232 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4233 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4234 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4235 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4236 synaptics_sysctl, "I", 4237 "Maximum elapsed time between two taps to consider a tap-hold " 4238 "action"); 4239 4240 /* hw.psm.synaptics.vscroll_hor_area. */ 4241 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4242 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4243 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4244 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4245 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4246 synaptics_sysctl, "I", 4247 "Area reserved for horizontal virtual scrolling"); 4248 4249 /* hw.psm.synaptics.vscroll_ver_area. */ 4250 sc->syninfo.vscroll_ver_area = -600; 4251 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4252 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4253 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4254 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4255 synaptics_sysctl, "I", 4256 "Area reserved for vertical virtual scrolling"); 4257 4258 /* hw.psm.synaptics.vscroll_min_delta. */ 4259 sc->syninfo.vscroll_min_delta = 50; 4260 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4261 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4262 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4263 &sc->syninfo.vscroll_min_delta, 4264 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4265 synaptics_sysctl, "I", 4266 "Minimum movement to consider virtual scrolling"); 4267 4268 /* hw.psm.synaptics.vscroll_div_min. */ 4269 sc->syninfo.vscroll_div_min = 100; 4270 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4271 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4272 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4273 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4274 synaptics_sysctl, "I", 4275 "Divisor for fast scrolling"); 4276 4277 /* hw.psm.synaptics.vscroll_div_min. */ 4278 sc->syninfo.vscroll_div_max = 150; 4279 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4280 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4281 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4282 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4283 synaptics_sysctl, "I", 4284 "Divisor for slow scrolling"); 4285 } 4286 4287 static int 4288 enable_synaptics(struct psm_softc *sc) 4289 { 4290 int status[3]; 4291 KBDC kbdc; 4292 4293 if (!synaptics_support) 4294 return (FALSE); 4295 4296 kbdc = sc->kbdc; 4297 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4298 sc->hw.buttons = 3; 4299 sc->squelch = 0; 4300 4301 /* 4302 * Just to be on the safe side: this avoids troubles with 4303 * following mouse_ext_command() when the previous command 4304 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4305 * Synaptics Touchpad behaviour. 4306 */ 4307 set_mouse_scaling(kbdc, 1); 4308 4309 /* Identify the Touchpad version. */ 4310 if (mouse_ext_command(kbdc, 0) == 0) 4311 return (FALSE); 4312 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4313 return (FALSE); 4314 if (status[1] != 0x47) 4315 return (FALSE); 4316 4317 sc->synhw.infoMinor = status[0]; 4318 sc->synhw.infoMajor = status[2] & 0x0f; 4319 4320 if (verbose >= 2) 4321 printf("Synaptics Touchpad v%d.%d\n", sc->synhw.infoMajor, 4322 sc->synhw.infoMinor); 4323 4324 if (sc->synhw.infoMajor < 4) { 4325 printf(" Unsupported (pre-v4) Touchpad detected\n"); 4326 return (FALSE); 4327 } 4328 4329 /* Get the Touchpad model information. */ 4330 if (mouse_ext_command(kbdc, 3) == 0) 4331 return (FALSE); 4332 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4333 return (FALSE); 4334 if ((status[1] & 0x01) != 0) { 4335 printf(" Failed to read model information\n"); 4336 return (FALSE); 4337 } 4338 4339 sc->synhw.infoRot180 = (status[0] & 0x80) >> 7; 4340 sc->synhw.infoPortrait = (status[0] & 0x40) >> 6; 4341 sc->synhw.infoSensor = status[0] & 0x3f; 4342 sc->synhw.infoHardware = (status[1] & 0xfe) >> 1; 4343 sc->synhw.infoNewAbs = (status[2] & 0x80) >> 7; 4344 sc->synhw.capPen = (status[2] & 0x40) >> 6; 4345 sc->synhw.infoSimplC = (status[2] & 0x20) >> 5; 4346 sc->synhw.infoGeometry = status[2] & 0x0f; 4347 4348 if (verbose >= 2) { 4349 printf(" Model information:\n"); 4350 printf(" infoRot180: %d\n", sc->synhw.infoRot180); 4351 printf(" infoPortrait: %d\n", sc->synhw.infoPortrait); 4352 printf(" infoSensor: %d\n", sc->synhw.infoSensor); 4353 printf(" infoHardware: %d\n", sc->synhw.infoHardware); 4354 printf(" infoNewAbs: %d\n", sc->synhw.infoNewAbs); 4355 printf(" capPen: %d\n", sc->synhw.capPen); 4356 printf(" infoSimplC: %d\n", sc->synhw.infoSimplC); 4357 printf(" infoGeometry: %d\n", sc->synhw.infoGeometry); 4358 } 4359 4360 /* Read the extended capability bits. */ 4361 if (mouse_ext_command(kbdc, 2) == 0) 4362 return (FALSE); 4363 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4364 return (FALSE); 4365 if (!SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) && status[1] != 0x47) { 4366 printf(" Failed to read extended capability bits\n"); 4367 return (FALSE); 4368 } 4369 4370 /* Set the different capabilities when they exist. */ 4371 if ((status[0] & 0x80) >> 7) { 4372 sc->synhw.capExtended = (status[0] & 0x80) >> 7; 4373 sc->synhw.capPassthrough = (status[2] & 0x80) >> 7; 4374 sc->synhw.capSleep = (status[2] & 0x10) >> 4; 4375 sc->synhw.capFourButtons = (status[2] & 0x08) >> 3; 4376 sc->synhw.capMultiFinger = (status[2] & 0x02) >> 1; 4377 sc->synhw.capPalmDetect = (status[2] & 0x01); 4378 4379 if (verbose >= 2) { 4380 printf(" Extended capabilities:\n"); 4381 printf(" capExtended: %d\n", sc->synhw.capExtended); 4382 printf(" capPassthrough: %d\n", 4383 sc->synhw.capPassthrough); 4384 printf(" capSleep: %d\n", sc->synhw.capSleep); 4385 printf(" capFourButtons: %d\n", 4386 sc->synhw.capFourButtons); 4387 printf(" capMultiFinger: %d\n", 4388 sc->synhw.capMultiFinger); 4389 printf(" capPalmDetect: %d\n", 4390 sc->synhw.capPalmDetect); 4391 } 4392 4393 /* 4394 * If we have bits set in status[0] & 0x70, then we can load 4395 * more information about buttons using query 0x09. 4396 */ 4397 if (status[0] & 0x70) { 4398 if (mouse_ext_command(kbdc, 0x09) == 0) 4399 return (FALSE); 4400 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4401 return (FALSE); 4402 sc->hw.buttons = ((status[1] & 0xf0) >> 4) + 3; 4403 if (verbose >= 2) 4404 printf(" Additional Buttons: %d\n", 4405 sc->hw.buttons -3); 4406 } 4407 } else { 4408 sc->synhw.capExtended = 0; 4409 4410 if (verbose >= 2) 4411 printf(" No extended capabilities\n"); 4412 } 4413 4414 /* 4415 * Read the mode byte. 4416 * 4417 * XXX: Note the Synaptics documentation also defines the first 4418 * byte of the response to this query to be a constant 0x3b, this 4419 * does not appear to be true for Touchpads with guest devices. 4420 */ 4421 if (mouse_ext_command(kbdc, 1) == 0) 4422 return (FALSE); 4423 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4424 return (FALSE); 4425 if (!SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) && status[1] != 0x47) { 4426 printf(" Failed to read mode byte\n"); 4427 return (FALSE); 4428 } 4429 4430 /* Set the mode byte; request wmode where available. */ 4431 if (sc->synhw.capExtended) 4432 mouse_ext_command(kbdc, 0xc1); 4433 else 4434 mouse_ext_command(kbdc, 0xc0); 4435 4436 /* "Commit" the Set Mode Byte command sent above. */ 4437 set_mouse_sampling_rate(kbdc, 20); 4438 4439 /* 4440 * Report the correct number of buttons 4441 * 4442 * XXX: I'm not sure this is used anywhere. 4443 */ 4444 if (sc->synhw.capExtended && sc->synhw.capFourButtons) 4445 sc->hw.buttons = 4; 4446 4447 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", 4448 sc->hw.buttons)); 4449 4450 /* Create sysctl tree. */ 4451 synaptics_sysctl_create_tree(sc); 4452 4453 /* 4454 * The touchpad will have to be reinitialized after 4455 * suspend/resume. 4456 */ 4457 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4458 4459 return (TRUE); 4460 } 4461 4462 /* Interlink electronics VersaPad */ 4463 static int 4464 enable_versapad(struct psm_softc *sc) 4465 { 4466 KBDC kbdc = sc->kbdc; 4467 int data[3]; 4468 4469 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 4470 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 4471 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4472 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4473 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4474 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4475 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 4476 return (FALSE); 4477 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 4478 return (FALSE); 4479 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4480 4481 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4482 4483 return (TRUE); /* PS/2 absolute mode */ 4484 } 4485 4486 /* 4487 * Return true if 'now' is earlier than (start + (secs.usecs)). 4488 * Now may be NULL and the function will fetch the current time from 4489 * getmicrouptime(), or a cached 'now' can be passed in. 4490 * All values should be numbers derived from getmicrouptime(). 4491 */ 4492 static int 4493 timeelapsed(start, secs, usecs, now) 4494 const struct timeval *start, *now; 4495 int secs, usecs; 4496 { 4497 struct timeval snow, tv; 4498 4499 /* if there is no 'now' passed in, the get it as a convience. */ 4500 if (now == NULL) { 4501 getmicrouptime(&snow); 4502 now = &snow; 4503 } 4504 4505 tv.tv_sec = secs; 4506 tv.tv_usec = usecs; 4507 timevaladd(&tv, start); 4508 return (timevalcmp(&tv, now, <)); 4509 } 4510 4511 static int 4512 psmresume(device_t dev) 4513 { 4514 struct psm_softc *sc = device_get_softc(dev); 4515 int unit = device_get_unit(dev); 4516 int err; 4517 4518 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 4519 4520 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 4521 return (0); 4522 4523 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 4524 4525 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 4526 /* 4527 * Release the blocked process; it must be notified that 4528 * the device cannot be accessed anymore. 4529 */ 4530 sc->state &= ~PSM_ASLP; 4531 wakeup(sc); 4532 } 4533 4534 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 4535 4536 return (err); 4537 } 4538 4539 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 4540 4541 #ifdef DEV_ISA 4542 4543 /* 4544 * This sucks up assignments from PNPBIOS and ACPI. 4545 */ 4546 4547 /* 4548 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 4549 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 4550 * can be probed and attached only after the AT keyboard controller is 4551 * attached, we shall quietly reserve the IRQ resource for later use. 4552 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 4553 * copy the IRQ resource to the PS/2 mouse device instance hanging 4554 * under the keyboard controller, then probe and attach it. 4555 */ 4556 4557 static devclass_t psmcpnp_devclass; 4558 4559 static device_probe_t psmcpnp_probe; 4560 static device_attach_t psmcpnp_attach; 4561 4562 static device_method_t psmcpnp_methods[] = { 4563 DEVMETHOD(device_probe, psmcpnp_probe), 4564 DEVMETHOD(device_attach, psmcpnp_attach), 4565 4566 { 0, 0 } 4567 }; 4568 4569 static driver_t psmcpnp_driver = { 4570 PSMCPNP_DRIVER_NAME, 4571 psmcpnp_methods, 4572 1, /* no softc */ 4573 }; 4574 4575 static struct isa_pnp_id psmcpnp_ids[] = { 4576 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 4577 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 4578 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 4579 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 4580 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 4581 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 4582 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 4583 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 4584 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 4585 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 4586 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 4587 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 4588 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 4589 { 0 } 4590 }; 4591 4592 static int 4593 create_a_copy(device_t atkbdc, device_t me) 4594 { 4595 device_t psm; 4596 u_long irq; 4597 4598 /* find the PS/2 mouse device instance under the keyboard controller */ 4599 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 4600 device_get_unit(atkbdc)); 4601 if (psm == NULL) 4602 return (ENXIO); 4603 if (device_get_state(psm) != DS_NOTPRESENT) 4604 return (0); 4605 4606 /* move our resource to the found device */ 4607 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 4608 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 4609 4610 /* ...then probe and attach it */ 4611 return (device_probe_and_attach(psm)); 4612 } 4613 4614 static int 4615 psmcpnp_probe(device_t dev) 4616 { 4617 struct resource *res; 4618 u_long irq; 4619 int rid; 4620 4621 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 4622 return (ENXIO); 4623 4624 /* 4625 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 4626 * to the PS/2 mouse device node. But, some buggy PnP BIOS 4627 * declares the PS/2 mouse device node without an IRQ resource! 4628 * If this happens, we shall refer to device hints. 4629 * If we still don't find it there, use a hardcoded value... XXX 4630 */ 4631 rid = 0; 4632 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 4633 if (irq <= 0) { 4634 if (resource_long_value(PSM_DRIVER_NAME, 4635 device_get_unit(dev),"irq", &irq) != 0) 4636 irq = 12; /* XXX */ 4637 device_printf(dev, "irq resource info is missing; " 4638 "assuming irq %ld\n", irq); 4639 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 4640 } 4641 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4642 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 4643 4644 /* keep quiet */ 4645 if (!bootverbose) 4646 device_quiet(dev); 4647 4648 return ((res == NULL) ? ENXIO : 0); 4649 } 4650 4651 static int 4652 psmcpnp_attach(device_t dev) 4653 { 4654 device_t atkbdc; 4655 int rid; 4656 4657 /* find the keyboard controller, which may be on acpi* or isa* bus */ 4658 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 4659 device_get_unit(dev)); 4660 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 4661 create_a_copy(atkbdc, dev); 4662 else { 4663 /* 4664 * If we don't have the AT keyboard controller yet, 4665 * just reserve the IRQ for later use... 4666 * (See psmidentify() above.) 4667 */ 4668 rid = 0; 4669 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4670 } 4671 4672 return (0); 4673 } 4674 4675 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 4676 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 4677 4678 #endif /* DEV_ISA */
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