1 /*- 2 * Copyright (c) 1992, 1993 Erik Forsberg. 3 * Copyright (c) 1996, 1997 Kazutaka YOKOTA. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 */ 23 /* 24 * Ported to 386bsd Oct 17, 1992 25 * Sandi Donno, Computer Science, University of Cape Town, South Africa 26 * Please send bug reports to sandi@cs.uct.ac.za 27 * 28 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 29 * although I was only partially successful in getting the alpha release 30 * of his "driver for the Logitech and ATI Inport Bus mice for use with 31 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 32 * found his code to be an invaluable reference when porting this driver 33 * to 386bsd. 34 * 35 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 36 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 37 * 38 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 39 * Andrew Herbert - 12 June 1993 40 * 41 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 42 * - 13 June 1993 43 * 44 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 45 * - 24 October 1993 46 * 47 * Hardware access routines and probe logic rewritten by 48 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 49 * - 3, 14, 22 October 1996. 50 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 51 * - 14, 30 November 1996. Uses `kbdio.c'. 52 * - 13 December 1996. Uses queuing version of `kbdio.c'. 53 * - January/February 1997. Tweaked probe logic for 54 * HiNote UltraII/Latitude/Armada laptops. 55 * - 30 July 1997. Added APM support. 56 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 57 * Improved sync check logic. 58 * Vendor specific support routines. 59 */ 60 61 #include <sys/cdefs.h> 62 __FBSDID("$FreeBSD$"); 63 64 #include "opt_isa.h" 65 #include "opt_psm.h" 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #include <sys/kernel.h> 70 #include <sys/module.h> 71 #include <sys/bus.h> 72 #include <sys/conf.h> 73 #include <sys/filio.h> 74 #include <sys/poll.h> 75 #include <sys/sigio.h> 76 #include <sys/signalvar.h> 77 #include <sys/syslog.h> 78 #include <machine/bus.h> 79 #include <sys/rman.h> 80 #include <sys/selinfo.h> 81 #include <sys/sysctl.h> 82 #include <sys/time.h> 83 #include <sys/uio.h> 84 85 #include <sys/limits.h> 86 #include <sys/mouse.h> 87 #include <machine/resource.h> 88 89 #ifdef DEV_ISA 90 #include <isa/isavar.h> 91 #endif 92 93 #include <dev/atkbdc/atkbdcreg.h> 94 #include <dev/atkbdc/psm.h> 95 96 /* 97 * Driver specific options: the following options may be set by 98 * `options' statements in the kernel configuration file. 99 */ 100 101 /* debugging */ 102 #ifndef PSM_DEBUG 103 #define PSM_DEBUG 0 /* 104 * logging: 0: none, 1: brief, 2: verbose 105 * 3: sync errors, 4: all packets 106 */ 107 #endif 108 #define VLOG(level, args) do { \ 109 if (verbose >= level) \ 110 log args; \ 111 } while (0) 112 113 #ifndef PSM_INPUT_TIMEOUT 114 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 115 #endif 116 117 #ifndef PSM_TAP_TIMEOUT 118 #define PSM_TAP_TIMEOUT 125000 119 #endif 120 121 #ifndef PSM_TAP_THRESHOLD 122 #define PSM_TAP_THRESHOLD 25 123 #endif 124 125 /* end of driver specific options */ 126 127 #define PSMCPNP_DRIVER_NAME "psmcpnp" 128 129 /* input queue */ 130 #define PSM_BUFSIZE 960 131 #define PSM_SMALLBUFSIZE 240 132 133 /* operation levels */ 134 #define PSM_LEVEL_BASE 0 135 #define PSM_LEVEL_STANDARD 1 136 #define PSM_LEVEL_NATIVE 2 137 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 138 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 139 140 /* Logitech PS2++ protocol */ 141 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 142 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 143 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 144 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 145 146 /* ring buffer */ 147 typedef struct ringbuf { 148 int count; /* # of valid elements in the buffer */ 149 int head; /* head pointer */ 150 int tail; /* tail poiner */ 151 u_char buf[PSM_BUFSIZE]; 152 } ringbuf_t; 153 154 /* data buffer */ 155 typedef struct packetbuf { 156 u_char ipacket[16]; /* interim input buffer */ 157 int inputbytes; /* # of bytes in the input buffer */ 158 } packetbuf_t; 159 160 #ifndef PSM_PACKETQUEUE 161 #define PSM_PACKETQUEUE 128 162 #endif 163 164 enum { 165 SYNAPTICS_SYSCTL_MIN_PRESSURE, 166 SYNAPTICS_SYSCTL_MAX_PRESSURE, 167 SYNAPTICS_SYSCTL_MAX_WIDTH, 168 SYNAPTICS_SYSCTL_MARGIN_TOP, 169 SYNAPTICS_SYSCTL_MARGIN_RIGHT, 170 SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 171 SYNAPTICS_SYSCTL_MARGIN_LEFT, 172 SYNAPTICS_SYSCTL_NA_TOP, 173 SYNAPTICS_SYSCTL_NA_RIGHT, 174 SYNAPTICS_SYSCTL_NA_BOTTOM, 175 SYNAPTICS_SYSCTL_NA_LEFT, 176 SYNAPTICS_SYSCTL_WINDOW_MIN, 177 SYNAPTICS_SYSCTL_WINDOW_MAX, 178 SYNAPTICS_SYSCTL_MULTIPLICATOR, 179 SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 180 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 181 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 182 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 183 SYNAPTICS_SYSCTL_DIV_MIN, 184 SYNAPTICS_SYSCTL_DIV_MAX, 185 SYNAPTICS_SYSCTL_DIV_MAX_NA, 186 SYNAPTICS_SYSCTL_DIV_LEN, 187 SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 188 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 189 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 190 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 191 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 192 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 193 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 194 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX 195 }; 196 197 typedef struct synapticsinfo { 198 struct sysctl_ctx_list sysctl_ctx; 199 struct sysctl_oid *sysctl_tree; 200 int directional_scrolls; 201 int min_pressure; 202 int max_pressure; 203 int max_width; 204 int margin_top; 205 int margin_right; 206 int margin_bottom; 207 int margin_left; 208 int na_top; 209 int na_right; 210 int na_bottom; 211 int na_left; 212 int window_min; 213 int window_max; 214 int multiplicator; 215 int weight_current; 216 int weight_previous; 217 int weight_previous_na; 218 int weight_len_squared; 219 int div_min; 220 int div_max; 221 int div_max_na; 222 int div_len; 223 int tap_max_delta; 224 int tap_min_queue; 225 int taphold_timeout; 226 int vscroll_ver_area; 227 int vscroll_hor_area; 228 int vscroll_min_delta; 229 int vscroll_div_min; 230 int vscroll_div_max; 231 } synapticsinfo_t; 232 233 typedef struct synapticspacket { 234 int x; 235 int y; 236 } synapticspacket_t; 237 238 #define SYNAPTICS_PACKETQUEUE 10 239 #define SYNAPTICS_QUEUE_CURSOR(x) \ 240 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 241 242 typedef struct synapticsaction { 243 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 244 int queue_len; 245 int queue_cursor; 246 int window_min; 247 int start_x; 248 int start_y; 249 int avg_dx; 250 int avg_dy; 251 int squelch_x; 252 int squelch_y; 253 int fingers_nb; 254 int tap_button; 255 int in_taphold; 256 int in_vscroll; 257 } synapticsaction_t; 258 259 /* driver control block */ 260 struct psm_softc { /* Driver status information */ 261 int unit; 262 struct selinfo rsel; /* Process selecting for Input */ 263 u_char state; /* Mouse driver state */ 264 int config; /* driver configuration flags */ 265 int flags; /* other flags */ 266 KBDC kbdc; /* handle to access kbd controller */ 267 struct resource *intr; /* IRQ resource */ 268 void *ih; /* interrupt handle */ 269 mousehw_t hw; /* hardware information */ 270 synapticshw_t synhw; /* Synaptics hardware information */ 271 synapticsinfo_t syninfo; /* Synaptics configuration */ 272 synapticsaction_t synaction; /* Synaptics action context */ 273 mousemode_t mode; /* operation mode */ 274 mousemode_t dflt_mode; /* default operation mode */ 275 mousestatus_t status; /* accumulated mouse movement */ 276 ringbuf_t queue; /* mouse status queue */ 277 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 278 int pqueue_start; /* start of data in queue */ 279 int pqueue_end; /* end of data in queue */ 280 int button; /* the latest button state */ 281 int xold; /* previous absolute X position */ 282 int yold; /* previous absolute Y position */ 283 int xaverage; /* average X position */ 284 int yaverage; /* average Y position */ 285 int squelch; /* level to filter movement at low speed */ 286 int zmax; /* maximum pressure value for touchpads */ 287 int syncerrors; /* # of bytes discarded to synchronize */ 288 int pkterrors; /* # of packets failed during quaranteen. */ 289 struct timeval inputtimeout; 290 struct timeval lastsoftintr; /* time of last soft interrupt */ 291 struct timeval lastinputerr; /* time last sync error happened */ 292 struct timeval taptimeout; /* tap timeout for touchpads */ 293 int watchdog; /* watchdog timer flag */ 294 struct callout_handle callout; /* watchdog timer call out */ 295 struct callout_handle softcallout; /* buffer timer call out */ 296 struct cdev *dev; 297 struct cdev *bdev; 298 int lasterr; 299 int cmdcount; 300 struct sigio *async; /* Processes waiting for SIGIO */ 301 }; 302 static devclass_t psm_devclass; 303 304 /* driver state flags (state) */ 305 #define PSM_VALID 0x80 306 #define PSM_OPEN 1 /* Device is open */ 307 #define PSM_ASLP 2 /* Waiting for mouse data */ 308 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 309 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 310 311 /* driver configuration flags (config) */ 312 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 313 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 314 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 315 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 316 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 317 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 318 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 319 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 320 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 321 #define PSM_CONFIG_SYNCHACK 0x8000 /* enable `out-of-sync' hack */ 322 323 #define PSM_CONFIG_FLAGS \ 324 (PSM_CONFIG_RESOLUTION | \ 325 PSM_CONFIG_ACCEL | \ 326 PSM_CONFIG_NOCHECKSYNC | \ 327 PSM_CONFIG_SYNCHACK | \ 328 PSM_CONFIG_NOIDPROBE | \ 329 PSM_CONFIG_NORESET | \ 330 PSM_CONFIG_FORCETAP | \ 331 PSM_CONFIG_IGNPORTERROR | \ 332 PSM_CONFIG_HOOKRESUME | \ 333 PSM_CONFIG_INITAFTERSUSPEND) 334 335 /* other flags (flags) */ 336 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 337 338 /* Tunables */ 339 static int tap_enabled = -1; 340 TUNABLE_INT("hw.psm.tap_enabled", &tap_enabled); 341 342 static int synaptics_support = 0; 343 TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 344 345 static int verbose = PSM_DEBUG; 346 TUNABLE_INT("debug.psm.loglevel", &verbose); 347 348 /* for backward compatibility */ 349 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 350 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 351 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 352 353 typedef struct old_mousehw { 354 int buttons; 355 int iftype; 356 int type; 357 int hwid; 358 } old_mousehw_t; 359 360 typedef struct old_mousemode { 361 int protocol; 362 int rate; 363 int resolution; 364 int accelfactor; 365 } old_mousemode_t; 366 367 /* packet formatting function */ 368 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 369 mousestatus_t *); 370 371 /* function prototypes */ 372 static void psmidentify(driver_t *, device_t); 373 static int psmprobe(device_t); 374 static int psmattach(device_t); 375 static int psmdetach(device_t); 376 static int psmresume(device_t); 377 378 static d_open_t psmopen; 379 static d_close_t psmclose; 380 static d_read_t psmread; 381 static d_write_t psmwrite; 382 static d_ioctl_t psmioctl; 383 static d_poll_t psmpoll; 384 385 static int enable_aux_dev(KBDC); 386 static int disable_aux_dev(KBDC); 387 static int get_mouse_status(KBDC, int *, int, int); 388 static int get_aux_id(KBDC); 389 static int set_mouse_sampling_rate(KBDC, int); 390 static int set_mouse_scaling(KBDC, int); 391 static int set_mouse_resolution(KBDC, int); 392 static int set_mouse_mode(KBDC); 393 static int get_mouse_buttons(KBDC); 394 static int is_a_mouse(int); 395 static void recover_from_error(KBDC); 396 static int restore_controller(KBDC, int); 397 static int doinitialize(struct psm_softc *, mousemode_t *); 398 static int doopen(struct psm_softc *, int); 399 static int reinitialize(struct psm_softc *, int); 400 static char *model_name(int); 401 static void psmsoftintr(void *); 402 static void psmintr(void *); 403 static void psmtimeout(void *); 404 static int timeelapsed(const struct timeval *, int, int, 405 const struct timeval *); 406 static void dropqueue(struct psm_softc *); 407 static void flushpackets(struct psm_softc *); 408 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 409 mousestatus_t *, int *, int *, int *); 410 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 411 mousestatus_t *, int *, int *, int *); 412 static void proc_versapad(struct psm_softc *, packetbuf_t *, 413 mousestatus_t *, int *, int *, int *); 414 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 415 u_char *); 416 417 /* vendor specific features */ 418 typedef int probefunc_t(struct psm_softc *); 419 420 static int mouse_id_proc1(KBDC, int, int, int *); 421 static int mouse_ext_command(KBDC, int); 422 423 static probefunc_t enable_groller; 424 static probefunc_t enable_gmouse; 425 static probefunc_t enable_aglide; 426 static probefunc_t enable_kmouse; 427 static probefunc_t enable_msexplorer; 428 static probefunc_t enable_msintelli; 429 static probefunc_t enable_4dmouse; 430 static probefunc_t enable_4dplus; 431 static probefunc_t enable_mmanplus; 432 static probefunc_t enable_synaptics; 433 static probefunc_t enable_versapad; 434 435 static struct { 436 int model; 437 u_char syncmask; 438 int packetsize; 439 probefunc_t *probefunc; 440 } vendortype[] = { 441 /* 442 * WARNING: the order of probe is very important. Don't mess it 443 * unless you know what you are doing. 444 */ 445 { MOUSE_MODEL_NET, /* Genius NetMouse */ 446 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 447 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 448 0xc8, 6, enable_groller }, 449 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 450 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 451 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 452 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 453 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 454 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 455 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 456 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 457 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 458 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 459 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 460 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 461 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 462 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 463 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 464 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 465 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 466 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 467 { MOUSE_MODEL_GENERIC, 468 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 469 }; 470 #define GENERIC_MOUSE_ENTRY \ 471 ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 472 473 /* device driver declarateion */ 474 static device_method_t psm_methods[] = { 475 /* Device interface */ 476 DEVMETHOD(device_identify, psmidentify), 477 DEVMETHOD(device_probe, psmprobe), 478 DEVMETHOD(device_attach, psmattach), 479 DEVMETHOD(device_detach, psmdetach), 480 DEVMETHOD(device_resume, psmresume), 481 482 { 0, 0 } 483 }; 484 485 static driver_t psm_driver = { 486 PSM_DRIVER_NAME, 487 psm_methods, 488 sizeof(struct psm_softc), 489 }; 490 491 static struct cdevsw psm_cdevsw = { 492 .d_version = D_VERSION, 493 .d_flags = D_NEEDGIANT, 494 .d_open = psmopen, 495 .d_close = psmclose, 496 .d_read = psmread, 497 .d_write = psmwrite, 498 .d_ioctl = psmioctl, 499 .d_poll = psmpoll, 500 .d_name = PSM_DRIVER_NAME, 501 }; 502 503 /* device I/O routines */ 504 static int 505 enable_aux_dev(KBDC kbdc) 506 { 507 int res; 508 509 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 510 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 511 512 return (res == PSM_ACK); 513 } 514 515 static int 516 disable_aux_dev(KBDC kbdc) 517 { 518 int res; 519 520 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 521 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 522 523 return (res == PSM_ACK); 524 } 525 526 static int 527 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 528 { 529 int cmd; 530 int res; 531 int i; 532 533 switch (flag) { 534 case 0: 535 default: 536 cmd = PSMC_SEND_DEV_STATUS; 537 break; 538 case 1: 539 cmd = PSMC_SEND_DEV_DATA; 540 break; 541 } 542 empty_aux_buffer(kbdc, 5); 543 res = send_aux_command(kbdc, cmd); 544 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 545 (flag == 1) ? "DATA" : "STATUS", res)); 546 if (res != PSM_ACK) 547 return (0); 548 549 for (i = 0; i < len; ++i) { 550 status[i] = read_aux_data(kbdc); 551 if (status[i] < 0) 552 break; 553 } 554 555 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 556 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 557 558 return (i); 559 } 560 561 static int 562 get_aux_id(KBDC kbdc) 563 { 564 int res; 565 int id; 566 567 empty_aux_buffer(kbdc, 5); 568 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 569 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 570 if (res != PSM_ACK) 571 return (-1); 572 573 /* 10ms delay */ 574 DELAY(10000); 575 576 id = read_aux_data(kbdc); 577 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 578 579 return (id); 580 } 581 582 static int 583 set_mouse_sampling_rate(KBDC kbdc, int rate) 584 { 585 int res; 586 587 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 588 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 589 590 return ((res == PSM_ACK) ? rate : -1); 591 } 592 593 static int 594 set_mouse_scaling(KBDC kbdc, int scale) 595 { 596 int res; 597 598 switch (scale) { 599 case 1: 600 default: 601 scale = PSMC_SET_SCALING11; 602 break; 603 case 2: 604 scale = PSMC_SET_SCALING21; 605 break; 606 } 607 res = send_aux_command(kbdc, scale); 608 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 609 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 610 611 return (res == PSM_ACK); 612 } 613 614 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 615 static int 616 set_mouse_resolution(KBDC kbdc, int val) 617 { 618 int res; 619 620 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 621 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 622 623 return ((res == PSM_ACK) ? val : -1); 624 } 625 626 /* 627 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 628 * re-enabled by calling `enable_aux_dev()' 629 */ 630 static int 631 set_mouse_mode(KBDC kbdc) 632 { 633 int res; 634 635 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 636 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 637 638 return (res == PSM_ACK); 639 } 640 641 static int 642 get_mouse_buttons(KBDC kbdc) 643 { 644 int c = 2; /* assume two buttons by default */ 645 int status[3]; 646 647 /* 648 * NOTE: a special sequence to obtain Logitech Mouse specific 649 * information: set resolution to 25 ppi, set scaling to 1:1, set 650 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 651 * mouse status bytes is the number of available buttons. 652 * Some manufactures also support this sequence. 653 */ 654 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 655 return (c); 656 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 657 set_mouse_scaling(kbdc, 1) && 658 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 659 return (status[1]); 660 return (c); 661 } 662 663 /* misc subroutines */ 664 /* 665 * Someday, I will get the complete list of valid pointing devices and 666 * their IDs... XXX 667 */ 668 static int 669 is_a_mouse(int id) 670 { 671 #if 0 672 static int valid_ids[] = { 673 PSM_MOUSE_ID, /* mouse */ 674 PSM_BALLPOINT_ID, /* ballpoint device */ 675 PSM_INTELLI_ID, /* Intellimouse */ 676 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 677 -1 /* end of table */ 678 }; 679 int i; 680 681 for (i = 0; valid_ids[i] >= 0; ++i) 682 if (valid_ids[i] == id) 683 return (TRUE); 684 return (FALSE); 685 #else 686 return (TRUE); 687 #endif 688 } 689 690 static char * 691 model_name(int model) 692 { 693 static struct { 694 int model_code; 695 char *model_name; 696 } models[] = { 697 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 698 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 699 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 700 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 701 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 702 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 703 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 704 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 705 { MOUSE_MODEL_4D, "4D Mouse" }, 706 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 707 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 708 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 709 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 710 }; 711 int i; 712 713 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 714 if (models[i].model_code == model) 715 break; 716 return (models[i].model_name); 717 } 718 719 static void 720 recover_from_error(KBDC kbdc) 721 { 722 /* discard anything left in the output buffer */ 723 empty_both_buffers(kbdc, 10); 724 725 #if 0 726 /* 727 * NOTE: KBDC_RESET_KBD may not restore the communication between the 728 * keyboard and the controller. 729 */ 730 reset_kbd(kbdc); 731 #else 732 /* 733 * NOTE: somehow diagnostic and keyboard port test commands bring the 734 * keyboard back. 735 */ 736 if (!test_controller(kbdc)) 737 log(LOG_ERR, "psm: keyboard controller failed.\n"); 738 /* if there isn't a keyboard in the system, the following error is OK */ 739 if (test_kbd_port(kbdc) != 0) 740 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 741 #endif 742 } 743 744 static int 745 restore_controller(KBDC kbdc, int command_byte) 746 { 747 empty_both_buffers(kbdc, 10); 748 749 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 750 log(LOG_ERR, "psm: failed to restore the keyboard controller " 751 "command byte.\n"); 752 empty_both_buffers(kbdc, 10); 753 return (FALSE); 754 } else { 755 empty_both_buffers(kbdc, 10); 756 return (TRUE); 757 } 758 } 759 760 /* 761 * Re-initialize the aux port and device. The aux port must be enabled 762 * and its interrupt must be disabled before calling this routine. 763 * The aux device will be disabled before returning. 764 * The keyboard controller must be locked via `kbdc_lock()' before 765 * calling this routine. 766 */ 767 static int 768 doinitialize(struct psm_softc *sc, mousemode_t *mode) 769 { 770 KBDC kbdc = sc->kbdc; 771 int stat[3]; 772 int i; 773 774 switch((i = test_aux_port(kbdc))) { 775 case 1: /* ignore these errors */ 776 case 2: 777 case 3: 778 case PSM_ACK: 779 if (verbose) 780 log(LOG_DEBUG, 781 "psm%d: strange result for test aux port (%d).\n", 782 sc->unit, i); 783 /* FALLTHROUGH */ 784 case 0: /* no error */ 785 break; 786 case -1: /* time out */ 787 default: /* error */ 788 recover_from_error(kbdc); 789 if (sc->config & PSM_CONFIG_IGNPORTERROR) 790 break; 791 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 792 sc->unit, i); 793 return (FALSE); 794 } 795 796 if (sc->config & PSM_CONFIG_NORESET) { 797 /* 798 * Don't try to reset the pointing device. It may possibly 799 * be left in the unknown state, though... 800 */ 801 } else { 802 /* 803 * NOTE: some controllers appears to hang the `keyboard' when 804 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 805 */ 806 if (!reset_aux_dev(kbdc)) { 807 recover_from_error(kbdc); 808 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 809 sc->unit); 810 return (FALSE); 811 } 812 } 813 814 /* 815 * both the aux port and the aux device is functioning, see 816 * if the device can be enabled. 817 */ 818 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 819 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 820 sc->unit); 821 return (FALSE); 822 } 823 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 824 825 if (sc->config & PSM_CONFIG_NOIDPROBE) 826 i = GENERIC_MOUSE_ENTRY; 827 else { 828 /* FIXME: hardware ID, mouse buttons? */ 829 830 /* other parameters */ 831 for (i = 0; vendortype[i].probefunc != NULL; ++i) 832 if ((*vendortype[i].probefunc)(sc)) { 833 if (verbose >= 2) 834 log(LOG_ERR, "psm%d: found %s\n", 835 sc->unit, 836 model_name(vendortype[i].model)); 837 break; 838 } 839 } 840 841 sc->hw.model = vendortype[i].model; 842 sc->mode.packetsize = vendortype[i].packetsize; 843 844 /* set mouse parameters */ 845 if (mode != (mousemode_t *)NULL) { 846 if (mode->rate > 0) 847 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 848 if (mode->resolution >= 0) 849 mode->resolution = 850 set_mouse_resolution(kbdc, mode->resolution); 851 set_mouse_scaling(kbdc, 1); 852 set_mouse_mode(kbdc); 853 } 854 855 /* Record sync on the next data packet we see. */ 856 sc->flags |= PSM_NEED_SYNCBITS; 857 858 /* just check the status of the mouse */ 859 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 860 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 861 sc->unit); 862 863 return (TRUE); 864 } 865 866 static int 867 doopen(struct psm_softc *sc, int command_byte) 868 { 869 int stat[3]; 870 871 /* 872 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 873 * no obvious reason. Thus we check the current mode and restore the 874 * Absolute Mode if it was cleared. 875 * 876 * The previous hack at the end of psmprobe() wasn't efficient when 877 * moused(8) was restarted. 878 * 879 * A Reset (FF) or Set Defaults (F6) command would clear the 880 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 881 * doesn't show any evidence of such a command. 882 */ 883 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 884 mouse_ext_command(sc->kbdc, 1); 885 get_mouse_status(sc->kbdc, stat, 0, 3); 886 if (stat[1] == 0x47 && stat[2] == 0x40) { 887 /* Set the mode byte -- request wmode where 888 * available */ 889 if (sc->synhw.capExtended) 890 mouse_ext_command(sc->kbdc, 0xc1); 891 else 892 mouse_ext_command(sc->kbdc, 0xc0); 893 set_mouse_sampling_rate(sc->kbdc, 20); 894 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 895 "hopefully restored\n", 896 sc->unit)); 897 } 898 } 899 900 /* 901 * A user may want to disable tap and drag gestures on a Synaptics 902 * TouchPad when it operates in Relative Mode. 903 */ 904 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 905 if (tap_enabled > 0) { 906 /* 907 * Enable tap & drag gestures. We use a Mode Byte 908 * and clear the DisGest bit (see §2.5 of Synaptics 909 * TouchPad Interfacing Guide). 910 */ 911 VLOG(2, (LOG_DEBUG, 912 "psm%d: enable tap and drag gestures\n", 913 sc->unit)); 914 mouse_ext_command(sc->kbdc, 0x00); 915 set_mouse_sampling_rate(sc->kbdc, 20); 916 } else if (tap_enabled == 0) { 917 /* 918 * Disable tap & drag gestures. We use a Mode Byte 919 * and set the DisGest bit (see §2.5 of Synaptics 920 * TouchPad Interfacing Guide). 921 */ 922 VLOG(2, (LOG_DEBUG, 923 "psm%d: disable tap and drag gestures\n", 924 sc->unit)); 925 mouse_ext_command(sc->kbdc, 0x04); 926 set_mouse_sampling_rate(sc->kbdc, 20); 927 } 928 } 929 930 /* enable the mouse device */ 931 if (!enable_aux_dev(sc->kbdc)) { 932 /* MOUSE ERROR: failed to enable the mouse because: 933 * 1) the mouse is faulty, 934 * 2) the mouse has been removed(!?) 935 * In the latter case, the keyboard may have hung, and need 936 * recovery procedure... 937 */ 938 recover_from_error(sc->kbdc); 939 #if 0 940 /* FIXME: we could reset the mouse here and try to enable 941 * it again. But it will take long time and it's not a good 942 * idea to disable the keyboard that long... 943 */ 944 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 945 recover_from_error(sc->kbdc); 946 #else 947 { 948 #endif 949 restore_controller(sc->kbdc, command_byte); 950 /* mark this device is no longer available */ 951 sc->state &= ~PSM_VALID; 952 log(LOG_ERR, 953 "psm%d: failed to enable the device (doopen).\n", 954 sc->unit); 955 return (EIO); 956 } 957 } 958 959 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 960 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 961 sc->unit); 962 963 /* enable the aux port and interrupt */ 964 if (!set_controller_command_byte(sc->kbdc, 965 kbdc_get_device_mask(sc->kbdc), 966 (command_byte & KBD_KBD_CONTROL_BITS) | 967 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 968 /* CONTROLLER ERROR */ 969 disable_aux_dev(sc->kbdc); 970 restore_controller(sc->kbdc, command_byte); 971 log(LOG_ERR, 972 "psm%d: failed to enable the aux interrupt (doopen).\n", 973 sc->unit); 974 return (EIO); 975 } 976 977 /* start the watchdog timer */ 978 sc->watchdog = FALSE; 979 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz*2); 980 981 return (0); 982 } 983 984 static int 985 reinitialize(struct psm_softc *sc, int doinit) 986 { 987 int err; 988 int c; 989 int s; 990 991 /* don't let anybody mess with the aux device */ 992 if (!kbdc_lock(sc->kbdc, TRUE)) 993 return (EIO); 994 s = spltty(); 995 996 /* block our watchdog timer */ 997 sc->watchdog = FALSE; 998 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 999 callout_handle_init(&sc->callout); 1000 1001 /* save the current controller command byte */ 1002 empty_both_buffers(sc->kbdc, 10); 1003 c = get_controller_command_byte(sc->kbdc); 1004 VLOG(2, (LOG_DEBUG, 1005 "psm%d: current command byte: %04x (reinitialize).\n", 1006 sc->unit, c)); 1007 1008 /* enable the aux port but disable the aux interrupt and the keyboard */ 1009 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1010 kbdc_get_device_mask(sc->kbdc), 1011 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1012 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1013 /* CONTROLLER ERROR */ 1014 splx(s); 1015 kbdc_lock(sc->kbdc, FALSE); 1016 log(LOG_ERR, 1017 "psm%d: unable to set the command byte (reinitialize).\n", 1018 sc->unit); 1019 return (EIO); 1020 } 1021 1022 /* flush any data */ 1023 if (sc->state & PSM_VALID) { 1024 /* this may fail; but never mind... */ 1025 disable_aux_dev(sc->kbdc); 1026 empty_aux_buffer(sc->kbdc, 10); 1027 } 1028 flushpackets(sc); 1029 sc->syncerrors = 0; 1030 sc->pkterrors = 0; 1031 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1032 1033 /* try to detect the aux device; are you still there? */ 1034 err = 0; 1035 if (doinit) { 1036 if (doinitialize(sc, &sc->mode)) { 1037 /* yes */ 1038 sc->state |= PSM_VALID; 1039 } else { 1040 /* the device has gone! */ 1041 restore_controller(sc->kbdc, c); 1042 sc->state &= ~PSM_VALID; 1043 log(LOG_ERR, 1044 "psm%d: the aux device has gone! (reinitialize).\n", 1045 sc->unit); 1046 err = ENXIO; 1047 } 1048 } 1049 splx(s); 1050 1051 /* restore the driver state */ 1052 if ((sc->state & PSM_OPEN) && (err == 0)) { 1053 /* enable the aux device and the port again */ 1054 err = doopen(sc, c); 1055 if (err != 0) 1056 log(LOG_ERR, "psm%d: failed to enable the device " 1057 "(reinitialize).\n", sc->unit); 1058 } else { 1059 /* restore the keyboard port and disable the aux port */ 1060 if (!set_controller_command_byte(sc->kbdc, 1061 kbdc_get_device_mask(sc->kbdc), 1062 (c & KBD_KBD_CONTROL_BITS) | 1063 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1064 /* CONTROLLER ERROR */ 1065 log(LOG_ERR, "psm%d: failed to disable the aux port " 1066 "(reinitialize).\n", sc->unit); 1067 err = EIO; 1068 } 1069 } 1070 1071 kbdc_lock(sc->kbdc, FALSE); 1072 return (err); 1073 } 1074 1075 /* psm driver entry points */ 1076 1077 static void 1078 psmidentify(driver_t *driver, device_t parent) 1079 { 1080 device_t psmc; 1081 device_t psm; 1082 u_long irq; 1083 int unit; 1084 1085 unit = device_get_unit(parent); 1086 1087 /* always add at least one child */ 1088 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1089 if (psm == NULL) 1090 return; 1091 1092 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1093 if (irq > 0) 1094 return; 1095 1096 /* 1097 * If the PS/2 mouse device has already been reported by ACPI or 1098 * PnP BIOS, obtain the IRQ resource from it. 1099 * (See psmcpnp_attach() below.) 1100 */ 1101 psmc = device_find_child(device_get_parent(parent), 1102 PSMCPNP_DRIVER_NAME, unit); 1103 if (psmc == NULL) 1104 return; 1105 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1106 if (irq <= 0) 1107 return; 1108 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1109 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1110 } 1111 1112 #define endprobe(v) do { \ 1113 if (bootverbose) \ 1114 --verbose; \ 1115 kbdc_set_device_mask(sc->kbdc, mask); \ 1116 kbdc_lock(sc->kbdc, FALSE); \ 1117 return (v); \ 1118 } while (0) 1119 1120 static int 1121 psmprobe(device_t dev) 1122 { 1123 int unit = device_get_unit(dev); 1124 struct psm_softc *sc = device_get_softc(dev); 1125 int stat[3]; 1126 int command_byte; 1127 int mask; 1128 int rid; 1129 int i; 1130 1131 #if 0 1132 kbdc_debug(TRUE); 1133 #endif 1134 1135 /* see if IRQ is available */ 1136 rid = KBDC_RID_AUX; 1137 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1138 if (sc->intr == NULL) { 1139 if (bootverbose) 1140 device_printf(dev, "unable to allocate IRQ\n"); 1141 return (ENXIO); 1142 } 1143 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1144 1145 sc->unit = unit; 1146 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1147 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1148 /* XXX: for backward compatibility */ 1149 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1150 sc->config |= 1151 #ifdef PSM_RESETAFTERSUSPEND 1152 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 1153 #else 1154 PSM_CONFIG_HOOKRESUME; 1155 #endif 1156 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1157 sc->flags = 0; 1158 if (bootverbose) 1159 ++verbose; 1160 1161 device_set_desc(dev, "PS/2 Mouse"); 1162 1163 if (!kbdc_lock(sc->kbdc, TRUE)) { 1164 printf("psm%d: unable to lock the controller.\n", unit); 1165 if (bootverbose) 1166 --verbose; 1167 return (ENXIO); 1168 } 1169 1170 /* 1171 * NOTE: two bits in the command byte controls the operation of the 1172 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1173 * port interrupt (IRQ 12) enable bit (bit 2). 1174 */ 1175 1176 /* discard anything left after the keyboard initialization */ 1177 empty_both_buffers(sc->kbdc, 10); 1178 1179 /* save the current command byte; it will be used later */ 1180 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1181 command_byte = get_controller_command_byte(sc->kbdc); 1182 if (verbose) 1183 printf("psm%d: current command byte:%04x\n", unit, 1184 command_byte); 1185 if (command_byte == -1) { 1186 /* CONTROLLER ERROR */ 1187 printf("psm%d: unable to get the current command byte value.\n", 1188 unit); 1189 endprobe(ENXIO); 1190 } 1191 1192 /* 1193 * disable the keyboard port while probing the aux port, which must be 1194 * enabled during this routine 1195 */ 1196 if (!set_controller_command_byte(sc->kbdc, 1197 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1198 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1199 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1200 /* 1201 * this is CONTROLLER ERROR; I don't know how to recover 1202 * from this error... 1203 */ 1204 restore_controller(sc->kbdc, command_byte); 1205 printf("psm%d: unable to set the command byte.\n", unit); 1206 endprobe(ENXIO); 1207 } 1208 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1209 1210 /* 1211 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1212 * port exists and is functioning. However, some controllers appears 1213 * to respond with zero even when the aux port doesn't exist. (It may 1214 * be that this is only the case when the controller DOES have the aux 1215 * port but the port is not wired on the motherboard.) The keyboard 1216 * controllers without the port, such as the original AT, are 1217 * supposed to return with an error code or simply time out. In any 1218 * case, we have to continue probing the port even when the controller 1219 * passes this test. 1220 * 1221 * XXX: some controllers erroneously return the error code 1, 2 or 3 1222 * when it has a perfectly functional aux port. We have to ignore 1223 * this error code. Even if the controller HAS error with the aux 1224 * port, it will be detected later... 1225 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1226 */ 1227 switch ((i = test_aux_port(sc->kbdc))) { 1228 case 1: /* ignore these errors */ 1229 case 2: 1230 case 3: 1231 case PSM_ACK: 1232 if (verbose) 1233 printf("psm%d: strange result for test aux port " 1234 "(%d).\n", unit, i); 1235 /* FALLTHROUGH */ 1236 case 0: /* no error */ 1237 break; 1238 case -1: /* time out */ 1239 default: /* error */ 1240 recover_from_error(sc->kbdc); 1241 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1242 break; 1243 restore_controller(sc->kbdc, command_byte); 1244 if (verbose) 1245 printf("psm%d: the aux port is not functioning (%d).\n", 1246 unit, i); 1247 endprobe(ENXIO); 1248 } 1249 1250 if (sc->config & PSM_CONFIG_NORESET) { 1251 /* 1252 * Don't try to reset the pointing device. It may possibly be 1253 * left in an unknown state, though... 1254 */ 1255 } else { 1256 /* 1257 * NOTE: some controllers appears to hang the `keyboard' when 1258 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1259 * 1260 * Attempt to reset the controller twice -- this helps 1261 * pierce through some KVM switches. The second reset 1262 * is non-fatal. 1263 */ 1264 if (!reset_aux_dev(sc->kbdc)) { 1265 recover_from_error(sc->kbdc); 1266 restore_controller(sc->kbdc, command_byte); 1267 if (verbose) 1268 printf("psm%d: failed to reset the aux " 1269 "device.\n", unit); 1270 endprobe(ENXIO); 1271 } else if (!reset_aux_dev(sc->kbdc)) { 1272 recover_from_error(sc->kbdc); 1273 if (verbose >= 2) 1274 printf("psm%d: failed to reset the aux device " 1275 "(2).\n", unit); 1276 } 1277 } 1278 1279 /* 1280 * both the aux port and the aux device are functioning, see if the 1281 * device can be enabled. NOTE: when enabled, the device will start 1282 * sending data; we shall immediately disable the device once we know 1283 * the device can be enabled. 1284 */ 1285 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1286 /* MOUSE ERROR */ 1287 recover_from_error(sc->kbdc); 1288 restore_controller(sc->kbdc, command_byte); 1289 if (verbose) 1290 printf("psm%d: failed to enable the aux device.\n", 1291 unit); 1292 endprobe(ENXIO); 1293 } 1294 1295 /* save the default values after reset */ 1296 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1297 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1298 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1299 } else { 1300 sc->dflt_mode.rate = sc->mode.rate = -1; 1301 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1302 } 1303 1304 /* hardware information */ 1305 sc->hw.iftype = MOUSE_IF_PS2; 1306 1307 /* verify the device is a mouse */ 1308 sc->hw.hwid = get_aux_id(sc->kbdc); 1309 if (!is_a_mouse(sc->hw.hwid)) { 1310 restore_controller(sc->kbdc, command_byte); 1311 if (verbose) 1312 printf("psm%d: unknown device type (%d).\n", unit, 1313 sc->hw.hwid); 1314 endprobe(ENXIO); 1315 } 1316 switch (sc->hw.hwid) { 1317 case PSM_BALLPOINT_ID: 1318 sc->hw.type = MOUSE_TRACKBALL; 1319 break; 1320 case PSM_MOUSE_ID: 1321 case PSM_INTELLI_ID: 1322 case PSM_EXPLORER_ID: 1323 case PSM_4DMOUSE_ID: 1324 case PSM_4DPLUS_ID: 1325 sc->hw.type = MOUSE_MOUSE; 1326 break; 1327 default: 1328 sc->hw.type = MOUSE_UNKNOWN; 1329 break; 1330 } 1331 1332 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1333 sc->hw.buttons = 2; 1334 i = GENERIC_MOUSE_ENTRY; 1335 } else { 1336 /* # of buttons */ 1337 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1338 1339 /* other parameters */ 1340 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1341 if ((*vendortype[i].probefunc)(sc)) { 1342 if (verbose >= 2) 1343 printf("psm%d: found %s\n", unit, 1344 model_name(vendortype[i].model)); 1345 break; 1346 } 1347 } 1348 1349 sc->hw.model = vendortype[i].model; 1350 1351 sc->dflt_mode.level = PSM_LEVEL_BASE; 1352 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1353 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1354 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1355 sc->dflt_mode.syncmask[0] = 0; 1356 else 1357 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1358 if (sc->config & PSM_CONFIG_FORCETAP) 1359 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1360 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1361 sc->mode = sc->dflt_mode; 1362 sc->mode.packetsize = vendortype[i].packetsize; 1363 1364 /* set mouse parameters */ 1365 #if 0 1366 /* 1367 * A version of Logitech FirstMouse+ won't report wheel movement, 1368 * if SET_DEFAULTS is sent... Don't use this command. 1369 * This fix was found by Takashi Nishida. 1370 */ 1371 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1372 if (verbose >= 2) 1373 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1374 #endif 1375 if (sc->config & PSM_CONFIG_RESOLUTION) 1376 sc->mode.resolution = 1377 set_mouse_resolution(sc->kbdc, 1378 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1379 else if (sc->mode.resolution >= 0) 1380 sc->mode.resolution = 1381 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1382 if (sc->mode.rate > 0) 1383 sc->mode.rate = 1384 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1385 set_mouse_scaling(sc->kbdc, 1); 1386 1387 /* Record sync on the next data packet we see. */ 1388 sc->flags |= PSM_NEED_SYNCBITS; 1389 1390 /* just check the status of the mouse */ 1391 /* 1392 * NOTE: XXX there are some arcane controller/mouse combinations out 1393 * there, which hung the controller unless there is data transmission 1394 * after ACK from the mouse. 1395 */ 1396 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1397 printf("psm%d: failed to get status.\n", unit); 1398 else { 1399 /* 1400 * When in its native mode, some mice operate with different 1401 * default parameters than in the PS/2 compatible mode. 1402 */ 1403 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1404 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1405 } 1406 1407 /* disable the aux port for now... */ 1408 if (!set_controller_command_byte(sc->kbdc, 1409 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1410 (command_byte & KBD_KBD_CONTROL_BITS) | 1411 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1412 /* 1413 * this is CONTROLLER ERROR; I don't know the proper way to 1414 * recover from this error... 1415 */ 1416 restore_controller(sc->kbdc, command_byte); 1417 printf("psm%d: unable to set the command byte.\n", unit); 1418 endprobe(ENXIO); 1419 } 1420 1421 /* done */ 1422 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1423 kbdc_lock(sc->kbdc, FALSE); 1424 return (0); 1425 } 1426 1427 static int 1428 psmattach(device_t dev) 1429 { 1430 int unit = device_get_unit(dev); 1431 struct psm_softc *sc = device_get_softc(dev); 1432 int error; 1433 int rid; 1434 1435 /* Setup initial state */ 1436 sc->state = PSM_VALID; 1437 callout_handle_init(&sc->callout); 1438 1439 /* Setup our interrupt handler */ 1440 rid = KBDC_RID_AUX; 1441 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1442 if (sc->intr == NULL) 1443 return (ENXIO); 1444 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1445 &sc->ih); 1446 if (error) { 1447 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1448 return (error); 1449 } 1450 1451 /* Done */ 1452 sc->dev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "psm%d", unit); 1453 sc->dev->si_drv1 = sc; 1454 sc->bdev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "bpsm%d", unit); 1455 sc->bdev->si_drv1 = sc; 1456 1457 if (!verbose) 1458 printf("psm%d: model %s, device ID %d\n", 1459 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1460 else { 1461 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1462 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1463 sc->hw.hwid >> 8, sc->hw.buttons); 1464 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1465 unit, sc->config, sc->flags, sc->mode.packetsize); 1466 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1467 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1468 } 1469 1470 if (bootverbose) 1471 --verbose; 1472 1473 return (0); 1474 } 1475 1476 static int 1477 psmdetach(device_t dev) 1478 { 1479 struct psm_softc *sc; 1480 int rid; 1481 1482 sc = device_get_softc(dev); 1483 if (sc->state & PSM_OPEN) 1484 return (EBUSY); 1485 1486 rid = KBDC_RID_AUX; 1487 bus_teardown_intr(dev, sc->intr, sc->ih); 1488 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1489 1490 destroy_dev(sc->dev); 1491 destroy_dev(sc->bdev); 1492 1493 return (0); 1494 } 1495 1496 static int 1497 psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1498 { 1499 struct psm_softc *sc; 1500 int command_byte; 1501 int err; 1502 int s; 1503 1504 /* Get device data */ 1505 sc = dev->si_drv1; 1506 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1507 /* the device is no longer valid/functioning */ 1508 return (ENXIO); 1509 } 1510 1511 /* Disallow multiple opens */ 1512 if (sc->state & PSM_OPEN) 1513 return (EBUSY); 1514 1515 device_busy(devclass_get_device(psm_devclass, sc->unit)); 1516 1517 /* Initialize state */ 1518 sc->mode.level = sc->dflt_mode.level; 1519 sc->mode.protocol = sc->dflt_mode.protocol; 1520 sc->watchdog = FALSE; 1521 sc->async = NULL; 1522 1523 /* flush the event queue */ 1524 sc->queue.count = 0; 1525 sc->queue.head = 0; 1526 sc->queue.tail = 0; 1527 sc->status.flags = 0; 1528 sc->status.button = 0; 1529 sc->status.obutton = 0; 1530 sc->status.dx = 0; 1531 sc->status.dy = 0; 1532 sc->status.dz = 0; 1533 sc->button = 0; 1534 sc->pqueue_start = 0; 1535 sc->pqueue_end = 0; 1536 1537 /* empty input buffer */ 1538 flushpackets(sc); 1539 sc->syncerrors = 0; 1540 sc->pkterrors = 0; 1541 1542 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1543 if (!kbdc_lock(sc->kbdc, TRUE)) 1544 return (EIO); 1545 1546 /* save the current controller command byte */ 1547 s = spltty(); 1548 command_byte = get_controller_command_byte(sc->kbdc); 1549 1550 /* enable the aux port and temporalily disable the keyboard */ 1551 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1552 kbdc_get_device_mask(sc->kbdc), 1553 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1554 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1555 /* CONTROLLER ERROR; do you know how to get out of this? */ 1556 kbdc_lock(sc->kbdc, FALSE); 1557 splx(s); 1558 log(LOG_ERR, 1559 "psm%d: unable to set the command byte (psmopen).\n", 1560 sc->unit); 1561 return (EIO); 1562 } 1563 /* 1564 * Now that the keyboard controller is told not to generate 1565 * the keyboard and mouse interrupts, call `splx()' to allow 1566 * the other tty interrupts. The clock interrupt may also occur, 1567 * but timeout routines will be blocked by the poll flag set 1568 * via `kbdc_lock()' 1569 */ 1570 splx(s); 1571 1572 /* enable the mouse device */ 1573 err = doopen(sc, command_byte); 1574 1575 /* done */ 1576 if (err == 0) 1577 sc->state |= PSM_OPEN; 1578 kbdc_lock(sc->kbdc, FALSE); 1579 return (err); 1580 } 1581 1582 static int 1583 psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1584 { 1585 struct psm_softc *sc = dev->si_drv1; 1586 int stat[3]; 1587 int command_byte; 1588 int s; 1589 1590 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1591 if (!kbdc_lock(sc->kbdc, TRUE)) 1592 return (EIO); 1593 1594 /* save the current controller command byte */ 1595 s = spltty(); 1596 command_byte = get_controller_command_byte(sc->kbdc); 1597 if (command_byte == -1) { 1598 kbdc_lock(sc->kbdc, FALSE); 1599 splx(s); 1600 return (EIO); 1601 } 1602 1603 /* disable the aux interrupt and temporalily disable the keyboard */ 1604 if (!set_controller_command_byte(sc->kbdc, 1605 kbdc_get_device_mask(sc->kbdc), 1606 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1607 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1608 log(LOG_ERR, 1609 "psm%d: failed to disable the aux int (psmclose).\n", 1610 sc->unit); 1611 /* CONTROLLER ERROR; 1612 * NOTE: we shall force our way through. Because the only 1613 * ill effect we shall see is that we may not be able 1614 * to read ACK from the mouse, and it doesn't matter much 1615 * so long as the mouse will accept the DISABLE command. 1616 */ 1617 } 1618 splx(s); 1619 1620 /* stop the watchdog timer */ 1621 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 1622 callout_handle_init(&sc->callout); 1623 1624 /* remove anything left in the output buffer */ 1625 empty_aux_buffer(sc->kbdc, 10); 1626 1627 /* disable the aux device, port and interrupt */ 1628 if (sc->state & PSM_VALID) { 1629 if (!disable_aux_dev(sc->kbdc)) { 1630 /* MOUSE ERROR; 1631 * NOTE: we don't return (error) and continue, 1632 * pretending we have successfully disabled the device. 1633 * It's OK because the interrupt routine will discard 1634 * any data from the mouse hereafter. 1635 */ 1636 log(LOG_ERR, 1637 "psm%d: failed to disable the device (psmclose).\n", 1638 sc->unit); 1639 } 1640 1641 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1642 log(LOG_DEBUG, 1643 "psm%d: failed to get status (psmclose).\n", 1644 sc->unit); 1645 } 1646 1647 if (!set_controller_command_byte(sc->kbdc, 1648 kbdc_get_device_mask(sc->kbdc), 1649 (command_byte & KBD_KBD_CONTROL_BITS) | 1650 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1651 /* 1652 * CONTROLLER ERROR; 1653 * we shall ignore this error; see the above comment. 1654 */ 1655 log(LOG_ERR, 1656 "psm%d: failed to disable the aux port (psmclose).\n", 1657 sc->unit); 1658 } 1659 1660 /* remove anything left in the output buffer */ 1661 empty_aux_buffer(sc->kbdc, 10); 1662 1663 /* clean up and sigio requests */ 1664 if (sc->async != NULL) { 1665 funsetown(&sc->async); 1666 sc->async = NULL; 1667 } 1668 1669 /* close is almost always successful */ 1670 sc->state &= ~PSM_OPEN; 1671 kbdc_lock(sc->kbdc, FALSE); 1672 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 1673 return (0); 1674 } 1675 1676 static int 1677 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1678 u_char *buf) 1679 { 1680 static u_char butmapps2[8] = { 1681 0, 1682 MOUSE_PS2_BUTTON1DOWN, 1683 MOUSE_PS2_BUTTON2DOWN, 1684 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1685 MOUSE_PS2_BUTTON3DOWN, 1686 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1687 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1688 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1689 MOUSE_PS2_BUTTON3DOWN, 1690 }; 1691 static u_char butmapmsc[8] = { 1692 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1693 MOUSE_MSC_BUTTON3UP, 1694 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1695 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1696 MOUSE_MSC_BUTTON3UP, 1697 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1698 MOUSE_MSC_BUTTON2UP, 1699 MOUSE_MSC_BUTTON1UP, 1700 0, 1701 }; 1702 int mapped; 1703 int i; 1704 1705 if (sc->mode.level == PSM_LEVEL_BASE) { 1706 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1707 if (status->button & MOUSE_BUTTON4DOWN) 1708 mapped |= MOUSE_BUTTON1DOWN; 1709 status->button = mapped; 1710 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1711 i = imax(imin(status->dx, 255), -256); 1712 if (i < 0) 1713 buf[0] |= MOUSE_PS2_XNEG; 1714 buf[1] = i; 1715 i = imax(imin(status->dy, 255), -256); 1716 if (i < 0) 1717 buf[0] |= MOUSE_PS2_YNEG; 1718 buf[2] = i; 1719 return (MOUSE_PS2_PACKETSIZE); 1720 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1721 buf[0] = MOUSE_MSC_SYNC | 1722 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1723 i = imax(imin(status->dx, 255), -256); 1724 buf[1] = i >> 1; 1725 buf[3] = i - buf[1]; 1726 i = imax(imin(status->dy, 255), -256); 1727 buf[2] = i >> 1; 1728 buf[4] = i - buf[2]; 1729 i = imax(imin(status->dz, 127), -128); 1730 buf[5] = (i >> 1) & 0x7f; 1731 buf[6] = (i - (i >> 1)) & 0x7f; 1732 buf[7] = (~status->button >> 3) & 0x7f; 1733 return (MOUSE_SYS_PACKETSIZE); 1734 } 1735 return (pb->inputbytes); 1736 } 1737 1738 static int 1739 psmread(struct cdev *dev, struct uio *uio, int flag) 1740 { 1741 struct psm_softc *sc = dev->si_drv1; 1742 u_char buf[PSM_SMALLBUFSIZE]; 1743 int error = 0; 1744 int s; 1745 int l; 1746 1747 if ((sc->state & PSM_VALID) == 0) 1748 return (EIO); 1749 1750 /* block until mouse activity occured */ 1751 s = spltty(); 1752 while (sc->queue.count <= 0) { 1753 if (dev != sc->bdev) { 1754 splx(s); 1755 return (EWOULDBLOCK); 1756 } 1757 sc->state |= PSM_ASLP; 1758 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 1759 sc->state &= ~PSM_ASLP; 1760 if (error) { 1761 splx(s); 1762 return (error); 1763 } else if ((sc->state & PSM_VALID) == 0) { 1764 /* the device disappeared! */ 1765 splx(s); 1766 return (EIO); 1767 } 1768 } 1769 splx(s); 1770 1771 /* copy data to the user land */ 1772 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1773 s = spltty(); 1774 l = imin(sc->queue.count, uio->uio_resid); 1775 if (l > sizeof(buf)) 1776 l = sizeof(buf); 1777 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1778 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1779 sizeof(sc->queue.buf) - sc->queue.head); 1780 bcopy(&sc->queue.buf[0], 1781 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1782 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1783 } else 1784 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1785 sc->queue.count -= l; 1786 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1787 splx(s); 1788 error = uiomove(buf, l, uio); 1789 if (error) 1790 break; 1791 } 1792 1793 return (error); 1794 } 1795 1796 static int 1797 block_mouse_data(struct psm_softc *sc, int *c) 1798 { 1799 int s; 1800 1801 if (!kbdc_lock(sc->kbdc, TRUE)) 1802 return (EIO); 1803 1804 s = spltty(); 1805 *c = get_controller_command_byte(sc->kbdc); 1806 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1807 kbdc_get_device_mask(sc->kbdc), 1808 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1809 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1810 /* this is CONTROLLER ERROR */ 1811 splx(s); 1812 kbdc_lock(sc->kbdc, FALSE); 1813 return (EIO); 1814 } 1815 1816 /* 1817 * The device may be in the middle of status data transmission. 1818 * The transmission will be interrupted, thus, incomplete status 1819 * data must be discarded. Although the aux interrupt is disabled 1820 * at the keyboard controller level, at most one aux interrupt 1821 * may have already been pending and a data byte is in the 1822 * output buffer; throw it away. Note that the second argument 1823 * to `empty_aux_buffer()' is zero, so that the call will just 1824 * flush the internal queue. 1825 * `psmintr()' will be invoked after `splx()' if an interrupt is 1826 * pending; it will see no data and returns immediately. 1827 */ 1828 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1829 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1830 flushpackets(sc); 1831 splx(s); 1832 1833 return (0); 1834 } 1835 1836 static void 1837 dropqueue(struct psm_softc *sc) 1838 { 1839 1840 sc->queue.count = 0; 1841 sc->queue.head = 0; 1842 sc->queue.tail = 0; 1843 if ((sc->state & PSM_SOFTARMED) != 0) { 1844 sc->state &= ~PSM_SOFTARMED; 1845 untimeout(psmsoftintr, (void *)(uintptr_t)sc, sc->softcallout); 1846 } 1847 sc->pqueue_start = sc->pqueue_end; 1848 } 1849 1850 static void 1851 flushpackets(struct psm_softc *sc) 1852 { 1853 1854 dropqueue(sc); 1855 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1856 } 1857 1858 static int 1859 unblock_mouse_data(struct psm_softc *sc, int c) 1860 { 1861 int error = 0; 1862 1863 /* 1864 * We may have seen a part of status data during `set_mouse_XXX()'. 1865 * they have been queued; flush it. 1866 */ 1867 empty_aux_buffer(sc->kbdc, 0); 1868 1869 /* restore ports and interrupt */ 1870 if (!set_controller_command_byte(sc->kbdc, 1871 kbdc_get_device_mask(sc->kbdc), 1872 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1873 /* 1874 * CONTROLLER ERROR; this is serious, we may have 1875 * been left with the inaccessible keyboard and 1876 * the disabled mouse interrupt. 1877 */ 1878 error = EIO; 1879 } 1880 1881 kbdc_lock(sc->kbdc, FALSE); 1882 return (error); 1883 } 1884 1885 static int 1886 psmwrite(struct cdev *dev, struct uio *uio, int flag) 1887 { 1888 struct psm_softc *sc = dev->si_drv1; 1889 u_char buf[PSM_SMALLBUFSIZE]; 1890 int error = 0, i, l; 1891 1892 if ((sc->state & PSM_VALID) == 0) 1893 return (EIO); 1894 1895 if (sc->mode.level < PSM_LEVEL_NATIVE) 1896 return (ENODEV); 1897 1898 /* copy data from the user land */ 1899 while (uio->uio_resid > 0) { 1900 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1901 error = uiomove(buf, l, uio); 1902 if (error) 1903 break; 1904 for (i = 0; i < l; i++) { 1905 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1906 if (!write_aux_command(sc->kbdc, buf[i])) { 1907 VLOG(2, (LOG_DEBUG, 1908 "psm: cmd 0x%x failed.\n", buf[i])); 1909 return (reinitialize(sc, FALSE)); 1910 } 1911 } 1912 } 1913 1914 return (error); 1915 } 1916 1917 static int 1918 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 1919 struct thread *td) 1920 { 1921 struct psm_softc *sc = dev->si_drv1; 1922 mousemode_t mode; 1923 mousestatus_t status; 1924 #if (defined(MOUSE_GETVARS)) 1925 mousevar_t *var; 1926 #endif 1927 mousedata_t *data; 1928 int stat[3]; 1929 int command_byte; 1930 int error = 0; 1931 int s; 1932 1933 /* Perform IOCTL command */ 1934 switch (cmd) { 1935 1936 case OLD_MOUSE_GETHWINFO: 1937 s = spltty(); 1938 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1939 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1940 ((old_mousehw_t *)addr)->type = sc->hw.type; 1941 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1942 splx(s); 1943 break; 1944 1945 case MOUSE_GETHWINFO: 1946 s = spltty(); 1947 *(mousehw_t *)addr = sc->hw; 1948 if (sc->mode.level == PSM_LEVEL_BASE) 1949 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1950 splx(s); 1951 break; 1952 1953 case MOUSE_SYN_GETHWINFO: 1954 s = spltty(); 1955 if (synaptics_support && sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1956 *(synapticshw_t *)addr = sc->synhw; 1957 else 1958 error = EINVAL; 1959 splx(s); 1960 break; 1961 1962 case OLD_MOUSE_GETMODE: 1963 s = spltty(); 1964 switch (sc->mode.level) { 1965 case PSM_LEVEL_BASE: 1966 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1967 break; 1968 case PSM_LEVEL_STANDARD: 1969 ((old_mousemode_t *)addr)->protocol = 1970 MOUSE_PROTO_SYSMOUSE; 1971 break; 1972 case PSM_LEVEL_NATIVE: 1973 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1974 break; 1975 } 1976 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1977 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1978 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1979 splx(s); 1980 break; 1981 1982 case MOUSE_GETMODE: 1983 s = spltty(); 1984 *(mousemode_t *)addr = sc->mode; 1985 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 1986 ((mousemode_t *)addr)->syncmask[0] = 0; 1987 ((mousemode_t *)addr)->syncmask[1] = 0; 1988 } 1989 ((mousemode_t *)addr)->resolution = 1990 MOUSE_RES_LOW - sc->mode.resolution; 1991 switch (sc->mode.level) { 1992 case PSM_LEVEL_BASE: 1993 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1994 ((mousemode_t *)addr)->packetsize = 1995 MOUSE_PS2_PACKETSIZE; 1996 break; 1997 case PSM_LEVEL_STANDARD: 1998 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1999 ((mousemode_t *)addr)->packetsize = 2000 MOUSE_SYS_PACKETSIZE; 2001 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2002 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2003 break; 2004 case PSM_LEVEL_NATIVE: 2005 /* FIXME: this isn't quite correct... XXX */ 2006 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2007 break; 2008 } 2009 splx(s); 2010 break; 2011 2012 case OLD_MOUSE_SETMODE: 2013 case MOUSE_SETMODE: 2014 if (cmd == OLD_MOUSE_SETMODE) { 2015 mode.rate = ((old_mousemode_t *)addr)->rate; 2016 /* 2017 * resolution old I/F new I/F 2018 * default 0 0 2019 * low 1 -2 2020 * medium low 2 -3 2021 * medium high 3 -4 2022 * high 4 -5 2023 */ 2024 if (((old_mousemode_t *)addr)->resolution > 0) 2025 mode.resolution = 2026 -((old_mousemode_t *)addr)->resolution - 1; 2027 else 2028 mode.resolution = 0; 2029 mode.accelfactor = 2030 ((old_mousemode_t *)addr)->accelfactor; 2031 mode.level = -1; 2032 } else 2033 mode = *(mousemode_t *)addr; 2034 2035 /* adjust and validate parameters. */ 2036 if (mode.rate > UCHAR_MAX) 2037 return (EINVAL); 2038 if (mode.rate == 0) 2039 mode.rate = sc->dflt_mode.rate; 2040 else if (mode.rate == -1) 2041 /* don't change the current setting */ 2042 ; 2043 else if (mode.rate < 0) 2044 return (EINVAL); 2045 if (mode.resolution >= UCHAR_MAX) 2046 return (EINVAL); 2047 if (mode.resolution >= 200) 2048 mode.resolution = MOUSE_RES_HIGH; 2049 else if (mode.resolution >= 100) 2050 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2051 else if (mode.resolution >= 50) 2052 mode.resolution = MOUSE_RES_MEDIUMLOW; 2053 else if (mode.resolution > 0) 2054 mode.resolution = MOUSE_RES_LOW; 2055 if (mode.resolution == MOUSE_RES_DEFAULT) 2056 mode.resolution = sc->dflt_mode.resolution; 2057 else if (mode.resolution == -1) 2058 /* don't change the current setting */ 2059 ; 2060 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2061 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2062 if (mode.level == -1) 2063 /* don't change the current setting */ 2064 mode.level = sc->mode.level; 2065 else if ((mode.level < PSM_LEVEL_MIN) || 2066 (mode.level > PSM_LEVEL_MAX)) 2067 return (EINVAL); 2068 if (mode.accelfactor == -1) 2069 /* don't change the current setting */ 2070 mode.accelfactor = sc->mode.accelfactor; 2071 else if (mode.accelfactor < 0) 2072 return (EINVAL); 2073 2074 /* don't allow anybody to poll the keyboard controller */ 2075 error = block_mouse_data(sc, &command_byte); 2076 if (error) 2077 return (error); 2078 2079 /* set mouse parameters */ 2080 if (mode.rate > 0) 2081 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2082 mode.rate); 2083 if (mode.resolution >= 0) 2084 mode.resolution = 2085 set_mouse_resolution(sc->kbdc, mode.resolution); 2086 set_mouse_scaling(sc->kbdc, 1); 2087 get_mouse_status(sc->kbdc, stat, 0, 3); 2088 2089 s = spltty(); 2090 sc->mode.rate = mode.rate; 2091 sc->mode.resolution = mode.resolution; 2092 sc->mode.accelfactor = mode.accelfactor; 2093 sc->mode.level = mode.level; 2094 splx(s); 2095 2096 unblock_mouse_data(sc, command_byte); 2097 break; 2098 2099 case MOUSE_GETLEVEL: 2100 *(int *)addr = sc->mode.level; 2101 break; 2102 2103 case MOUSE_SETLEVEL: 2104 if ((*(int *)addr < PSM_LEVEL_MIN) || 2105 (*(int *)addr > PSM_LEVEL_MAX)) 2106 return (EINVAL); 2107 sc->mode.level = *(int *)addr; 2108 break; 2109 2110 case MOUSE_GETSTATUS: 2111 s = spltty(); 2112 status = sc->status; 2113 sc->status.flags = 0; 2114 sc->status.obutton = sc->status.button; 2115 sc->status.button = 0; 2116 sc->status.dx = 0; 2117 sc->status.dy = 0; 2118 sc->status.dz = 0; 2119 splx(s); 2120 *(mousestatus_t *)addr = status; 2121 break; 2122 2123 #if (defined(MOUSE_GETVARS)) 2124 case MOUSE_GETVARS: 2125 var = (mousevar_t *)addr; 2126 bzero(var, sizeof(*var)); 2127 s = spltty(); 2128 var->var[0] = MOUSE_VARS_PS2_SIG; 2129 var->var[1] = sc->config; 2130 var->var[2] = sc->flags; 2131 splx(s); 2132 break; 2133 2134 case MOUSE_SETVARS: 2135 return (ENODEV); 2136 #endif /* MOUSE_GETVARS */ 2137 2138 case MOUSE_READSTATE: 2139 case MOUSE_READDATA: 2140 data = (mousedata_t *)addr; 2141 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2142 return (EINVAL); 2143 2144 error = block_mouse_data(sc, &command_byte); 2145 if (error) 2146 return (error); 2147 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2148 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2149 error = EIO; 2150 unblock_mouse_data(sc, command_byte); 2151 break; 2152 2153 #if (defined(MOUSE_SETRESOLUTION)) 2154 case MOUSE_SETRESOLUTION: 2155 mode.resolution = *(int *)addr; 2156 if (mode.resolution >= UCHAR_MAX) 2157 return (EINVAL); 2158 else if (mode.resolution >= 200) 2159 mode.resolution = MOUSE_RES_HIGH; 2160 else if (mode.resolution >= 100) 2161 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2162 else if (mode.resolution >= 50) 2163 mode.resolution = MOUSE_RES_MEDIUMLOW; 2164 else if (mode.resolution > 0) 2165 mode.resolution = MOUSE_RES_LOW; 2166 if (mode.resolution == MOUSE_RES_DEFAULT) 2167 mode.resolution = sc->dflt_mode.resolution; 2168 else if (mode.resolution == -1) 2169 mode.resolution = sc->mode.resolution; 2170 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2171 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2172 2173 error = block_mouse_data(sc, &command_byte); 2174 if (error) 2175 return (error); 2176 sc->mode.resolution = 2177 set_mouse_resolution(sc->kbdc, mode.resolution); 2178 if (sc->mode.resolution != mode.resolution) 2179 error = EIO; 2180 unblock_mouse_data(sc, command_byte); 2181 break; 2182 #endif /* MOUSE_SETRESOLUTION */ 2183 2184 #if (defined(MOUSE_SETRATE)) 2185 case MOUSE_SETRATE: 2186 mode.rate = *(int *)addr; 2187 if (mode.rate > UCHAR_MAX) 2188 return (EINVAL); 2189 if (mode.rate == 0) 2190 mode.rate = sc->dflt_mode.rate; 2191 else if (mode.rate < 0) 2192 mode.rate = sc->mode.rate; 2193 2194 error = block_mouse_data(sc, &command_byte); 2195 if (error) 2196 return (error); 2197 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2198 if (sc->mode.rate != mode.rate) 2199 error = EIO; 2200 unblock_mouse_data(sc, command_byte); 2201 break; 2202 #endif /* MOUSE_SETRATE */ 2203 2204 #if (defined(MOUSE_SETSCALING)) 2205 case MOUSE_SETSCALING: 2206 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2207 return (EINVAL); 2208 2209 error = block_mouse_data(sc, &command_byte); 2210 if (error) 2211 return (error); 2212 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2213 error = EIO; 2214 unblock_mouse_data(sc, command_byte); 2215 break; 2216 #endif /* MOUSE_SETSCALING */ 2217 2218 #if (defined(MOUSE_GETHWID)) 2219 case MOUSE_GETHWID: 2220 error = block_mouse_data(sc, &command_byte); 2221 if (error) 2222 return (error); 2223 sc->hw.hwid &= ~0x00ff; 2224 sc->hw.hwid |= get_aux_id(sc->kbdc); 2225 *(int *)addr = sc->hw.hwid & 0x00ff; 2226 unblock_mouse_data(sc, command_byte); 2227 break; 2228 #endif /* MOUSE_GETHWID */ 2229 2230 case FIONBIO: 2231 case FIOASYNC: 2232 break; 2233 case FIOSETOWN: 2234 error = fsetown(*(int *)addr, &sc->async); 2235 break; 2236 case FIOGETOWN: 2237 *(int *) addr = fgetown(&sc->async); 2238 break; 2239 default: 2240 return (ENOTTY); 2241 } 2242 2243 return (error); 2244 } 2245 2246 static void 2247 psmtimeout(void *arg) 2248 { 2249 struct psm_softc *sc; 2250 int s; 2251 2252 sc = (struct psm_softc *)arg; 2253 s = spltty(); 2254 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2255 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2256 psmintr(sc); 2257 kbdc_lock(sc->kbdc, FALSE); 2258 } 2259 sc->watchdog = TRUE; 2260 splx(s); 2261 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz); 2262 } 2263 2264 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2265 SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2266 SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2267 2268 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2269 "Verbosity level"); 2270 2271 static int psmhz = 20; 2272 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2273 "Frequency of the softcallout (in hz)"); 2274 static int psmerrsecs = 2; 2275 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2276 "Number of seconds during which packets will dropped after a sync error"); 2277 static int psmerrusecs = 0; 2278 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2279 "Microseconds to add to psmerrsecs"); 2280 static int psmsecs = 0; 2281 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2282 "Max number of seconds between soft interrupts"); 2283 static int psmusecs = 500000; 2284 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2285 "Microseconds to add to psmsecs"); 2286 static int pkterrthresh = 2; 2287 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2288 "Number of error packets allowed before reinitializing the mouse"); 2289 2290 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RW, &tap_enabled, 0, 2291 "Enable tap and drag gestures"); 2292 static int tap_threshold = PSM_TAP_THRESHOLD; 2293 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2294 "Button tap threshold"); 2295 static int tap_timeout = PSM_TAP_TIMEOUT; 2296 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2297 "Tap timeout for touchpads"); 2298 2299 static void 2300 psmintr(void *arg) 2301 { 2302 struct psm_softc *sc = arg; 2303 struct timeval now; 2304 int c; 2305 packetbuf_t *pb; 2306 2307 2308 /* read until there is nothing to read */ 2309 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2310 pb = &sc->pqueue[sc->pqueue_end]; 2311 2312 /* discard the byte if the device is not open */ 2313 if ((sc->state & PSM_OPEN) == 0) 2314 continue; 2315 2316 getmicrouptime(&now); 2317 if ((pb->inputbytes > 0) && 2318 timevalcmp(&now, &sc->inputtimeout, >)) { 2319 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2320 "resetting byte count\n")); 2321 pb->inputbytes = 0; 2322 sc->syncerrors = 0; 2323 sc->pkterrors = 0; 2324 } 2325 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2326 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2327 timevaladd(&sc->inputtimeout, &now); 2328 2329 pb->ipacket[pb->inputbytes++] = c; 2330 2331 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2332 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2333 sc->syncerrors = 0; 2334 sc->pkterrors = 0; 2335 goto next; 2336 } else { 2337 if (pb->inputbytes < sc->mode.packetsize) 2338 continue; 2339 2340 VLOG(4, (LOG_DEBUG, 2341 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2342 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2343 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2344 } 2345 2346 c = pb->ipacket[0]; 2347 2348 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2349 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2350 sc->flags &= ~PSM_NEED_SYNCBITS; 2351 VLOG(2, (LOG_DEBUG, 2352 "psmintr: Sync bytes now %04x,%04x\n", 2353 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2354 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2355 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2356 "(%04x != %04x) %d cmds since last error.\n", 2357 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2358 sc->cmdcount - sc->lasterr)); 2359 sc->lasterr = sc->cmdcount; 2360 /* 2361 * The sync byte test is a weak measure of packet 2362 * validity. Conservatively discard any input yet 2363 * to be seen by userland when we detect a sync 2364 * error since there is a good chance some of 2365 * the queued packets have undetected errors. 2366 */ 2367 dropqueue(sc); 2368 if (sc->syncerrors == 0) 2369 sc->pkterrors++; 2370 ++sc->syncerrors; 2371 sc->lastinputerr = now; 2372 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2373 sc->pkterrors >= pkterrthresh) { 2374 /* 2375 * If we've failed to find a single sync byte 2376 * in 2 packets worth of data, or we've seen 2377 * persistent packet errors during the 2378 * validation period, reinitialize the mouse 2379 * in hopes of returning it to the expected 2380 * mode. 2381 */ 2382 VLOG(3, (LOG_DEBUG, 2383 "psmintr: reset the mouse.\n")); 2384 reinitialize(sc, TRUE); 2385 } else if (sc->syncerrors == sc->mode.packetsize) { 2386 /* 2387 * Try a soft reset after searching for a sync 2388 * byte through a packet length of bytes. 2389 */ 2390 VLOG(3, (LOG_DEBUG, 2391 "psmintr: re-enable the mouse.\n")); 2392 pb->inputbytes = 0; 2393 disable_aux_dev(sc->kbdc); 2394 enable_aux_dev(sc->kbdc); 2395 } else { 2396 VLOG(3, (LOG_DEBUG, 2397 "psmintr: discard a byte (%d)\n", 2398 sc->syncerrors)); 2399 pb->inputbytes--; 2400 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2401 pb->inputbytes); 2402 } 2403 continue; 2404 } 2405 2406 /* 2407 * We have what appears to be a valid packet. 2408 * Reset the error counters. 2409 */ 2410 sc->syncerrors = 0; 2411 2412 /* 2413 * Drop even good packets if they occur within a timeout 2414 * period of a sync error. This allows the detection of 2415 * a change in the mouse's packet mode without exposing 2416 * erratic mouse behavior to the user. Some KVMs forget 2417 * enhanced mouse modes during switch events. 2418 */ 2419 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2420 &now)) { 2421 pb->inputbytes = 0; 2422 continue; 2423 } 2424 2425 /* 2426 * Now that we're out of the validation period, reset 2427 * the packet error count. 2428 */ 2429 sc->pkterrors = 0; 2430 2431 sc->cmdcount++; 2432 next: 2433 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2434 sc->pqueue_end = 0; 2435 /* 2436 * If we've filled the queue then call the softintr ourselves, 2437 * otherwise schedule the interrupt for later. 2438 */ 2439 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2440 (sc->pqueue_end == sc->pqueue_start)) { 2441 if ((sc->state & PSM_SOFTARMED) != 0) { 2442 sc->state &= ~PSM_SOFTARMED; 2443 untimeout(psmsoftintr, arg, sc->softcallout); 2444 } 2445 psmsoftintr(arg); 2446 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2447 sc->state |= PSM_SOFTARMED; 2448 sc->softcallout = timeout(psmsoftintr, arg, 2449 psmhz < 1 ? 1 : (hz/psmhz)); 2450 } 2451 } 2452 } 2453 2454 static void 2455 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2456 int *x, int *y, int *z) 2457 { 2458 2459 /* 2460 * PS2++ protocl packet 2461 * 2462 * b7 b6 b5 b4 b3 b2 b1 b0 2463 * byte 1: * 1 p3 p2 1 * * * 2464 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2465 * 2466 * p3-p0: packet type 2467 * c1, c2: c1 & c2 == 1, if p2 == 0 2468 * c1 & c2 == 0, if p2 == 1 2469 * 2470 * packet type: 0 (device type) 2471 * See comments in enable_mmanplus() below. 2472 * 2473 * packet type: 1 (wheel data) 2474 * 2475 * b7 b6 b5 b4 b3 b2 b1 b0 2476 * byte 3: h * B5 B4 s d2 d1 d0 2477 * 2478 * h: 1, if horizontal roller data 2479 * 0, if vertical roller data 2480 * B4, B5: button 4 and 5 2481 * s: sign bit 2482 * d2-d0: roller data 2483 * 2484 * packet type: 2 (reserved) 2485 */ 2486 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2487 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2488 /* 2489 * the extended data packet encodes button 2490 * and wheel events 2491 */ 2492 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2493 case 1: 2494 /* wheel data packet */ 2495 *x = *y = 0; 2496 if (pb->ipacket[2] & 0x80) { 2497 /* XXX horizontal roller count - ignore it */ 2498 ; 2499 } else { 2500 /* vertical roller count */ 2501 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2502 (pb->ipacket[2] & 0x0f) - 16 : 2503 (pb->ipacket[2] & 0x0f); 2504 } 2505 ms->button |= (pb->ipacket[2] & 2506 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2507 MOUSE_BUTTON4DOWN : 0; 2508 ms->button |= (pb->ipacket[2] & 2509 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2510 MOUSE_BUTTON5DOWN : 0; 2511 break; 2512 case 2: 2513 /* 2514 * this packet type is reserved by 2515 * Logitech... 2516 */ 2517 /* 2518 * IBM ScrollPoint Mouse uses this 2519 * packet type to encode both vertical 2520 * and horizontal scroll movement. 2521 */ 2522 *x = *y = 0; 2523 /* horizontal count */ 2524 if (pb->ipacket[2] & 0x0f) 2525 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2526 -2 : 2; 2527 /* vertical count */ 2528 if (pb->ipacket[2] & 0xf0) 2529 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2530 -1 : 1; 2531 break; 2532 case 0: 2533 /* device type packet - shouldn't happen */ 2534 /* FALLTHROUGH */ 2535 default: 2536 *x = *y = 0; 2537 ms->button = ms->obutton; 2538 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2539 "type %d: 0x%02x 0x%02x 0x%02x\n", 2540 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2541 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2542 break; 2543 } 2544 } else { 2545 /* preserve button states */ 2546 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2547 } 2548 } 2549 2550 static int 2551 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2552 int *x, int *y, int *z) 2553 { 2554 static int touchpad_buttons; 2555 static int guest_buttons; 2556 int w, x0, y0; 2557 2558 /* TouchPad PS/2 absolute mode message format 2559 * 2560 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2561 * ------------------------------------------------ 2562 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2563 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2564 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2565 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2566 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2567 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2568 * 2569 * Legend: 2570 * L: left physical mouse button 2571 * R: right physical mouse button 2572 * D: down button 2573 * U: up button 2574 * W: "wrist" value 2575 * X: x position 2576 * Y: y position 2577 * Z: pressure 2578 * 2579 * Absolute reportable limits: 0 - 6143. 2580 * Typical bezel limits: 1472 - 5472. 2581 * Typical edge marings: 1632 - 5312. 2582 * 2583 * w = 3 Passthrough Packet 2584 * 2585 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2586 */ 2587 2588 if (!synaptics_support) 2589 return (0); 2590 2591 /* Sanity check for out of sync packets. */ 2592 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2593 (pb->ipacket[3] & 0xc8) != 0xc0) 2594 return (-1); 2595 2596 *x = *y = 0; 2597 2598 /* 2599 * Pressure value. 2600 * Interpretation: 2601 * z = 0 No finger contact 2602 * z = 10 Finger hovering near the pad 2603 * z = 30 Very light finger contact 2604 * z = 80 Normal finger contact 2605 * z = 110 Very heavy finger contact 2606 * z = 200 Finger lying flat on pad surface 2607 * z = 255 Maximum reportable Z 2608 */ 2609 *z = pb->ipacket[2]; 2610 2611 /* 2612 * Finger width value 2613 * Interpretation: 2614 * w = 0 Two finger on the pad (capMultiFinger needed) 2615 * w = 1 Three or more fingers (capMultiFinger needed) 2616 * w = 2 Pen (instead of finger) (capPen needed) 2617 * w = 3 Reserved (passthrough?) 2618 * w = 4-7 Finger of normal width (capPalmDetect needed) 2619 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2620 * w = 15 Maximum reportable width (capPalmDetect needed) 2621 */ 2622 /* XXX Is checking capExtended enough? */ 2623 if (sc->synhw.capExtended) 2624 w = ((pb->ipacket[0] & 0x30) >> 2) | 2625 ((pb->ipacket[0] & 0x04) >> 1) | 2626 ((pb->ipacket[3] & 0x04) >> 2); 2627 else { 2628 /* Assume a finger of regular width. */ 2629 w = 4; 2630 } 2631 2632 /* Handle packets from the guest device */ 2633 /* XXX Documentation? */ 2634 if (w == 3 && sc->synhw.capPassthrough) { 2635 *x = ((pb->ipacket[1] & 0x10) ? 2636 pb->ipacket[4] - 256 : pb->ipacket[4]); 2637 *y = ((pb->ipacket[1] & 0x20) ? 2638 pb->ipacket[5] - 256 : pb->ipacket[5]); 2639 *z = 0; 2640 2641 guest_buttons = 0; 2642 if (pb->ipacket[1] & 0x01) 2643 guest_buttons |= MOUSE_BUTTON1DOWN; 2644 if (pb->ipacket[1] & 0x04) 2645 guest_buttons |= MOUSE_BUTTON2DOWN; 2646 if (pb->ipacket[1] & 0x02) 2647 guest_buttons |= MOUSE_BUTTON3DOWN; 2648 2649 ms->button = touchpad_buttons | guest_buttons; 2650 goto SYNAPTICS_END; 2651 } 2652 2653 /* Button presses */ 2654 touchpad_buttons = 0; 2655 if (pb->ipacket[0] & 0x01) 2656 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2657 if (pb->ipacket[0] & 0x02) 2658 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2659 2660 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2661 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2662 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2663 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2664 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2665 } 2666 2667 /* 2668 * In newer pads - bit 0x02 in the third byte of 2669 * the packet indicates that we have an extended 2670 * button press. 2671 */ 2672 /* XXX Documentation? */ 2673 if (pb->ipacket[3] & 0x02) { 2674 /* 2675 * if directional_scrolls is not 1, we treat any of 2676 * the scrolling directions as middle-click. 2677 */ 2678 if (sc->syninfo.directional_scrolls) { 2679 if (pb->ipacket[4] & 0x01) 2680 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2681 if (pb->ipacket[5] & 0x01) 2682 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2683 if (pb->ipacket[4] & 0x02) 2684 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2685 if (pb->ipacket[5] & 0x02) 2686 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2687 } else { 2688 if ((pb->ipacket[4] & 0x0F) || 2689 (pb->ipacket[5] & 0x0F)) 2690 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2691 } 2692 } 2693 2694 ms->button = touchpad_buttons | guest_buttons; 2695 2696 /* Check pressure to detect a real wanted action on the 2697 * touchpad. */ 2698 if (*z >= sc->syninfo.min_pressure) { 2699 synapticsaction_t *synaction; 2700 int cursor, peer, window; 2701 int dx, dy, dxp, dyp; 2702 int max_width, max_pressure; 2703 int margin_top, margin_right, margin_bottom, margin_left; 2704 int na_top, na_right, na_bottom, na_left; 2705 int window_min, window_max; 2706 int multiplicator; 2707 int weight_current, weight_previous, weight_len_squared; 2708 int div_min, div_max, div_len; 2709 int vscroll_hor_area, vscroll_ver_area; 2710 2711 int len, weight_prev_x, weight_prev_y; 2712 int div_max_x, div_max_y, div_x, div_y; 2713 2714 /* Read sysctl. */ 2715 /* XXX Verify values? */ 2716 max_width = sc->syninfo.max_width; 2717 max_pressure = sc->syninfo.max_pressure; 2718 margin_top = sc->syninfo.margin_top; 2719 margin_right = sc->syninfo.margin_right; 2720 margin_bottom = sc->syninfo.margin_bottom; 2721 margin_left = sc->syninfo.margin_left; 2722 na_top = sc->syninfo.na_top; 2723 na_right = sc->syninfo.na_right; 2724 na_bottom = sc->syninfo.na_bottom; 2725 na_left = sc->syninfo.na_left; 2726 window_min = sc->syninfo.window_min; 2727 window_max = sc->syninfo.window_max; 2728 multiplicator = sc->syninfo.multiplicator; 2729 weight_current = sc->syninfo.weight_current; 2730 weight_previous = sc->syninfo.weight_previous; 2731 weight_len_squared = sc->syninfo.weight_len_squared; 2732 div_min = sc->syninfo.div_min; 2733 div_max = sc->syninfo.div_max; 2734 div_len = sc->syninfo.div_len; 2735 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2736 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2737 2738 /* Palm detection. */ 2739 if (!( 2740 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2741 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2742 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2743 (sc->synhw.capPen && w == 2))) { 2744 /* 2745 * We consider the packet irrelevant for the current 2746 * action when: 2747 * - the width isn't comprised in: 2748 * [4; max_width] 2749 * - the pressure isn't comprised in: 2750 * [min_pressure; max_pressure] 2751 * - pen aren't supported but w is 2 2752 * 2753 * Note that this doesn't terminate the current action. 2754 */ 2755 VLOG(2, (LOG_DEBUG, 2756 "synaptics: palm detected! (%d)\n", w)); 2757 goto SYNAPTICS_END; 2758 } 2759 2760 /* Read current absolute position. */ 2761 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2762 ((pb->ipacket[1] & 0x0f) << 8) | 2763 pb->ipacket[4]; 2764 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2765 ((pb->ipacket[1] & 0xf0) << 4) | 2766 pb->ipacket[5]; 2767 2768 synaction = &(sc->synaction); 2769 2770 /* 2771 * If the action is just beginning, init the structure and 2772 * compute tap timeout. 2773 */ 2774 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2775 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2776 2777 /* Store the first point of this action. */ 2778 synaction->start_x = x0; 2779 synaction->start_y = y0; 2780 dx = dy = 0; 2781 2782 /* Initialize queue. */ 2783 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2784 synaction->queue_len = 0; 2785 synaction->window_min = window_min; 2786 2787 /* Reset average. */ 2788 synaction->avg_dx = 0; 2789 synaction->avg_dy = 0; 2790 2791 /* Reset squelch. */ 2792 synaction->squelch_x = 0; 2793 synaction->squelch_y = 0; 2794 2795 /* Reset pressure peak. */ 2796 sc->zmax = 0; 2797 2798 /* Reset fingers count. */ 2799 synaction->fingers_nb = 0; 2800 2801 /* Reset virtual scrolling state. */ 2802 synaction->in_vscroll = 0; 2803 2804 /* Compute tap timeout. */ 2805 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2806 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2807 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2808 2809 sc->flags |= PSM_FLAGS_FINGERDOWN; 2810 } else { 2811 /* Calculate the current delta. */ 2812 cursor = synaction->queue_cursor; 2813 dx = x0 - synaction->queue[cursor].x; 2814 dy = y0 - synaction->queue[cursor].y; 2815 } 2816 2817 /* If in tap-hold, add the recorded button. */ 2818 if (synaction->in_taphold) 2819 ms->button |= synaction->tap_button; 2820 2821 /* 2822 * From now on, we can use the SYNAPTICS_END label to skip 2823 * the current packet. 2824 */ 2825 2826 /* 2827 * Limit the coordinates to the specified margins because 2828 * this area isn't very reliable. 2829 */ 2830 if (x0 <= margin_left) 2831 x0 = margin_left; 2832 else if (x0 >= 6143 - margin_right) 2833 x0 = 6143 - margin_right; 2834 if (y0 <= margin_bottom) 2835 y0 = margin_bottom; 2836 else if (y0 >= 6143 - margin_top) 2837 y0 = 6143 - margin_top; 2838 2839 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2840 x0, y0, *z, w)); 2841 2842 /* Queue this new packet. */ 2843 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2844 synaction->queue[cursor].x = x0; 2845 synaction->queue[cursor].y = y0; 2846 synaction->queue_cursor = cursor; 2847 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2848 synaction->queue_len++; 2849 VLOG(5, (LOG_DEBUG, 2850 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2851 cursor, x0, y0, dx, dy)); 2852 2853 /* 2854 * For tap, we keep the maximum number of fingers and the 2855 * pressure peak. Also with multiple fingers, we increase 2856 * the minimum window. 2857 */ 2858 switch (w) { 2859 case 1: /* Three or more fingers. */ 2860 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2861 synaction->window_min = window_max; 2862 break; 2863 case 0: /* Two fingers. */ 2864 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2865 synaction->window_min = window_max; 2866 break; 2867 default: /* One finger or undetectable. */ 2868 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2869 } 2870 sc->zmax = imax(*z, sc->zmax); 2871 2872 /* Do we have enough packets to consider this a movement? */ 2873 if (synaction->queue_len < synaction->window_min) 2874 goto SYNAPTICS_END; 2875 2876 /* Is a scrolling action occuring? */ 2877 if (!synaction->in_taphold && !synaction->in_vscroll) { 2878 /* 2879 * A scrolling action must not conflict with a tap 2880 * action. Here are the conditions to consider a 2881 * scrolling action: 2882 * - the action in a configurable area 2883 * - one of the following: 2884 * . the distance between the last packet and the 2885 * first should be above a configurable minimum 2886 * . tap timed out 2887 */ 2888 dxp = abs(synaction->queue[synaction->queue_cursor].x - 2889 synaction->start_x); 2890 dyp = abs(synaction->queue[synaction->queue_cursor].y - 2891 synaction->start_y); 2892 2893 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 2894 dxp >= sc->syninfo.vscroll_min_delta || 2895 dyp >= sc->syninfo.vscroll_min_delta) { 2896 /* Check for horizontal scrolling. */ 2897 if ((vscroll_hor_area > 0 && 2898 synaction->start_y <= vscroll_hor_area) || 2899 (vscroll_hor_area < 0 && 2900 synaction->start_y >= 2901 6143 + vscroll_hor_area)) 2902 synaction->in_vscroll += 2; 2903 2904 /* Check for vertical scrolling. */ 2905 if ((vscroll_ver_area > 0 && 2906 synaction->start_x <= vscroll_ver_area) || 2907 (vscroll_ver_area < 0 && 2908 synaction->start_x >= 2909 6143 + vscroll_ver_area)) 2910 synaction->in_vscroll += 1; 2911 2912 /* Avoid conflicts if area overlaps. */ 2913 if (synaction->in_vscroll == 3) 2914 synaction->in_vscroll = 2915 (dxp > dyp) ? 2 : 1; 2916 } 2917 VLOG(5, (LOG_DEBUG, 2918 "synaptics: virtual scrolling: %s " 2919 "(direction=%d, dxp=%d, dyp=%d)\n", 2920 synaction->in_vscroll ? "YES" : "NO", 2921 synaction->in_vscroll, dxp, dyp)); 2922 } 2923 2924 weight_prev_x = weight_prev_y = weight_previous; 2925 div_max_x = div_max_y = div_max; 2926 2927 if (synaction->in_vscroll) { 2928 /* Dividers are different with virtual scrolling. */ 2929 div_min = sc->syninfo.vscroll_div_min; 2930 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 2931 } else { 2932 /* 2933 * There's a lot of noise in coordinates when 2934 * the finger is on the touchpad's borders. When 2935 * using this area, we apply a special weight and 2936 * div. 2937 */ 2938 if (x0 <= na_left || x0 >= 6143 - na_right) { 2939 weight_prev_x = sc->syninfo.weight_previous_na; 2940 div_max_x = sc->syninfo.div_max_na; 2941 } 2942 2943 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 2944 weight_prev_y = sc->syninfo.weight_previous_na; 2945 div_max_y = sc->syninfo.div_max_na; 2946 } 2947 } 2948 2949 /* 2950 * Calculate weights for the average operands and 2951 * the divisor. Both depend on the distance between 2952 * the current packet and a previous one (based on the 2953 * window width). 2954 */ 2955 window = imin(synaction->queue_len, window_max); 2956 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 2957 dxp = abs(x0 - synaction->queue[peer].x) + 1; 2958 dyp = abs(y0 - synaction->queue[peer].y) + 1; 2959 len = (dxp * dxp) + (dyp * dyp); 2960 weight_prev_x = imin(weight_prev_x, 2961 weight_len_squared * weight_prev_x / len); 2962 weight_prev_y = imin(weight_prev_y, 2963 weight_len_squared * weight_prev_y / len); 2964 2965 len = (dxp + dyp) / 2; 2966 div_x = div_len * div_max_x / len; 2967 div_x = imin(div_max_x, div_x); 2968 div_x = imax(div_min, div_x); 2969 div_y = div_len * div_max_y / len; 2970 div_y = imin(div_max_y, div_y); 2971 div_y = imax(div_min, div_y); 2972 2973 VLOG(3, (LOG_DEBUG, 2974 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 2975 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 2976 2977 /* Compute averages. */ 2978 synaction->avg_dx = 2979 (weight_current * dx * multiplicator + 2980 weight_prev_x * synaction->avg_dx) / 2981 (weight_current + weight_prev_x); 2982 2983 synaction->avg_dy = 2984 (weight_current * dy * multiplicator + 2985 weight_prev_y * synaction->avg_dy) / 2986 (weight_current + weight_prev_y); 2987 2988 VLOG(5, (LOG_DEBUG, 2989 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 2990 synaction->avg_dx / multiplicator, 2991 synaction->avg_dy / multiplicator)); 2992 2993 /* Use these averages to calculate x & y. */ 2994 synaction->squelch_x += synaction->avg_dx; 2995 *x = synaction->squelch_x / (div_x * multiplicator); 2996 synaction->squelch_x = synaction->squelch_x % 2997 (div_x * multiplicator); 2998 2999 synaction->squelch_y += synaction->avg_dy; 3000 *y = synaction->squelch_y / (div_y * multiplicator); 3001 synaction->squelch_y = synaction->squelch_y % 3002 (div_y * multiplicator); 3003 3004 if (synaction->in_vscroll) { 3005 switch(synaction->in_vscroll) { 3006 case 1: /* Vertical scrolling. */ 3007 if (*y != 0) 3008 ms->button |= (*y > 0) ? 3009 MOUSE_BUTTON4DOWN : 3010 MOUSE_BUTTON5DOWN; 3011 break; 3012 case 2: /* Horizontal scrolling. */ 3013 if (*x != 0) 3014 ms->button |= (*x > 0) ? 3015 MOUSE_BUTTON7DOWN : 3016 MOUSE_BUTTON6DOWN; 3017 break; 3018 } 3019 3020 /* The pointer is not moved. */ 3021 *x = *y = 0; 3022 } else { 3023 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3024 dx, dy, *x, *y)); 3025 } 3026 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3027 /* 3028 * An action is currently taking place but the pressure 3029 * dropped under the minimum, putting an end to it. 3030 */ 3031 synapticsaction_t *synaction; 3032 int taphold_timeout, dx, dy, tap_max_delta; 3033 3034 synaction = &(sc->synaction); 3035 dx = abs(synaction->queue[synaction->queue_cursor].x - 3036 synaction->start_x); 3037 dy = abs(synaction->queue[synaction->queue_cursor].y - 3038 synaction->start_y); 3039 3040 /* Max delta is disabled for multi-fingers tap. */ 3041 if (synaction->fingers_nb > 1) 3042 tap_max_delta = imax(dx, dy); 3043 else 3044 tap_max_delta = sc->syninfo.tap_max_delta; 3045 3046 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3047 3048 /* Check for tap. */ 3049 VLOG(3, (LOG_DEBUG, 3050 "synaptics: zmax=%d, dx=%d, dy=%d, " 3051 "delta=%d, fingers=%d, queue=%d\n", 3052 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3053 synaction->queue_len)); 3054 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3055 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3056 dx <= tap_max_delta && dy <= tap_max_delta && 3057 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3058 /* 3059 * We have a tap if: 3060 * - the maximum pressure went over tap_threshold 3061 * - the action ended before tap_timeout 3062 * 3063 * To handle tap-hold, we must delay any button push to 3064 * the next action. 3065 */ 3066 if (synaction->in_taphold) { 3067 /* 3068 * This is the second and last tap of a 3069 * double tap action, not a tap-hold. 3070 */ 3071 synaction->in_taphold = 0; 3072 3073 /* 3074 * For double-tap to work: 3075 * - no button press is emitted (to 3076 * simulate a button release) 3077 * - PSM_FLAGS_FINGERDOWN is set to 3078 * force the next packet to emit a 3079 * button press) 3080 */ 3081 VLOG(2, (LOG_DEBUG, 3082 "synaptics: button RELEASE: %d\n", 3083 synaction->tap_button)); 3084 sc->flags |= PSM_FLAGS_FINGERDOWN; 3085 } else { 3086 /* 3087 * This is the first tap: we set the 3088 * tap-hold state and notify the button 3089 * down event. 3090 */ 3091 synaction->in_taphold = 1; 3092 taphold_timeout = sc->syninfo.taphold_timeout; 3093 sc->taptimeout.tv_sec = taphold_timeout / 3094 1000000; 3095 sc->taptimeout.tv_usec = taphold_timeout % 3096 1000000; 3097 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3098 3099 switch (synaction->fingers_nb) { 3100 case 3: 3101 synaction->tap_button = 3102 MOUSE_BUTTON2DOWN; 3103 break; 3104 case 2: 3105 synaction->tap_button = 3106 MOUSE_BUTTON3DOWN; 3107 break; 3108 default: 3109 synaction->tap_button = 3110 MOUSE_BUTTON1DOWN; 3111 } 3112 VLOG(2, (LOG_DEBUG, 3113 "synaptics: button PRESS: %d\n", 3114 synaction->tap_button)); 3115 ms->button |= synaction->tap_button; 3116 } 3117 } else { 3118 /* 3119 * Not enough pressure or timeout: reset 3120 * tap-hold state. 3121 */ 3122 if (synaction->in_taphold) { 3123 VLOG(2, (LOG_DEBUG, 3124 "synaptics: button RELEASE: %d\n", 3125 synaction->tap_button)); 3126 synaction->in_taphold = 0; 3127 } else { 3128 VLOG(2, (LOG_DEBUG, 3129 "synaptics: not a tap-hold\n")); 3130 } 3131 } 3132 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3133 sc->synaction.in_taphold) { 3134 /* 3135 * For a tap-hold to work, the button must remain down at 3136 * least until timeout (where the in_taphold flags will be 3137 * cleared) or during the next action. 3138 */ 3139 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3140 ms->button |= sc->synaction.tap_button; 3141 } else { 3142 VLOG(2, (LOG_DEBUG, 3143 "synaptics: button RELEASE: %d\n", 3144 sc->synaction.tap_button)); 3145 sc->synaction.in_taphold = 0; 3146 } 3147 } 3148 3149 SYNAPTICS_END: 3150 /* 3151 * Use the extra buttons as a scrollwheel 3152 * 3153 * XXX X.Org uses the Z axis for vertical wheel only, 3154 * whereas moused(8) understands special values to differ 3155 * vertical and horizontal wheels. 3156 * 3157 * xf86-input-mouse needs therefore a small patch to 3158 * understand these special values. Without it, the 3159 * horizontal wheel acts as a vertical wheel in X.Org. 3160 * 3161 * That's why the horizontal wheel is disabled by 3162 * default for now. 3163 */ 3164 if (ms->button & MOUSE_BUTTON4DOWN) { 3165 *z = -1; 3166 ms->button &= ~MOUSE_BUTTON4DOWN; 3167 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3168 *z = 1; 3169 ms->button &= ~MOUSE_BUTTON5DOWN; 3170 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3171 *z = -2; 3172 ms->button &= ~MOUSE_BUTTON6DOWN; 3173 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3174 *z = 2; 3175 ms->button &= ~MOUSE_BUTTON7DOWN; 3176 } else 3177 *z = 0; 3178 3179 return (0); 3180 } 3181 3182 static void 3183 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3184 int *x, int *y, int *z) 3185 { 3186 static int butmap_versapad[8] = { 3187 0, 3188 MOUSE_BUTTON3DOWN, 3189 0, 3190 MOUSE_BUTTON3DOWN, 3191 MOUSE_BUTTON1DOWN, 3192 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3193 MOUSE_BUTTON1DOWN, 3194 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3195 }; 3196 int c, x0, y0; 3197 3198 /* VersaPad PS/2 absolute mode message format 3199 * 3200 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3201 * ipacket[0]: 1 1 0 A 1 L T R 3202 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3203 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3204 * ipacket[3]: 1 1 1 A 1 L T R 3205 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3206 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3207 * 3208 * [note] 3209 * R: right physical mouse button (1=on) 3210 * T: touch pad virtual button (1=tapping) 3211 * L: left physical mouse button (1=on) 3212 * A: position data is valid (1=valid) 3213 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3214 * V: vertical data (12bit signed integer. V11 is sign bit.) 3215 * P: pressure data 3216 * 3217 * Tapping is mapped to MOUSE_BUTTON4. 3218 */ 3219 c = pb->ipacket[0]; 3220 *x = *y = 0; 3221 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3222 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3223 if (c & MOUSE_PS2VERSA_IN_USE) { 3224 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3225 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3226 if (x0 & 0x800) 3227 x0 -= 0x1000; 3228 if (y0 & 0x800) 3229 y0 -= 0x1000; 3230 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3231 *x = sc->xold - x0; 3232 *y = y0 - sc->yold; 3233 if (*x < 0) /* XXX */ 3234 ++*x; 3235 else if (*x) 3236 --*x; 3237 if (*y < 0) 3238 ++*y; 3239 else if (*y) 3240 --*y; 3241 } else 3242 sc->flags |= PSM_FLAGS_FINGERDOWN; 3243 sc->xold = x0; 3244 sc->yold = y0; 3245 } else 3246 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3247 } 3248 3249 static void 3250 psmsoftintr(void *arg) 3251 { 3252 /* 3253 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3254 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3255 */ 3256 static int butmap[8] = { 3257 0, 3258 MOUSE_BUTTON1DOWN, 3259 MOUSE_BUTTON3DOWN, 3260 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3261 MOUSE_BUTTON2DOWN, 3262 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3263 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3264 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3265 }; 3266 struct psm_softc *sc = arg; 3267 mousestatus_t ms; 3268 packetbuf_t *pb; 3269 int x, y, z, c, l, s; 3270 3271 getmicrouptime(&sc->lastsoftintr); 3272 3273 s = spltty(); 3274 3275 do { 3276 pb = &sc->pqueue[sc->pqueue_start]; 3277 3278 if (sc->mode.level == PSM_LEVEL_NATIVE) 3279 goto next_native; 3280 3281 c = pb->ipacket[0]; 3282 /* 3283 * A kludge for Kensington device! 3284 * The MSB of the horizontal count appears to be stored in 3285 * a strange place. 3286 */ 3287 if (sc->hw.model == MOUSE_MODEL_THINK) 3288 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3289 3290 /* ignore the overflow bits... */ 3291 x = (c & MOUSE_PS2_XNEG) ? 3292 pb->ipacket[1] - 256 : pb->ipacket[1]; 3293 y = (c & MOUSE_PS2_YNEG) ? 3294 pb->ipacket[2] - 256 : pb->ipacket[2]; 3295 z = 0; 3296 ms.obutton = sc->button; /* previous button state */ 3297 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3298 /* `tapping' action */ 3299 if (sc->config & PSM_CONFIG_FORCETAP) 3300 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3301 0 : MOUSE_BUTTON4DOWN; 3302 3303 switch (sc->hw.model) { 3304 3305 case MOUSE_MODEL_EXPLORER: 3306 /* 3307 * b7 b6 b5 b4 b3 b2 b1 b0 3308 * byte 1: oy ox sy sx 1 M R L 3309 * byte 2: x x x x x x x x 3310 * byte 3: y y y y y y y y 3311 * byte 4: * * S2 S1 s d2 d1 d0 3312 * 3313 * L, M, R, S1, S2: left, middle, right and side buttons 3314 * s: wheel data sign bit 3315 * d2-d0: wheel data 3316 */ 3317 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3318 (pb->ipacket[3] & 0x0f) - 16 : 3319 (pb->ipacket[3] & 0x0f); 3320 ms.button |= 3321 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3322 MOUSE_BUTTON4DOWN : 0; 3323 ms.button |= 3324 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3325 MOUSE_BUTTON5DOWN : 0; 3326 break; 3327 3328 case MOUSE_MODEL_INTELLI: 3329 case MOUSE_MODEL_NET: 3330 /* wheel data is in the fourth byte */ 3331 z = (char)pb->ipacket[3]; 3332 /* 3333 * XXX some mice may send 7 when there is no Z movement? */ 3334 if ((z >= 7) || (z <= -7)) 3335 z = 0; 3336 /* some compatible mice have additional buttons */ 3337 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3338 MOUSE_BUTTON4DOWN : 0; 3339 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3340 MOUSE_BUTTON5DOWN : 0; 3341 break; 3342 3343 case MOUSE_MODEL_MOUSEMANPLUS: 3344 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3345 break; 3346 3347 case MOUSE_MODEL_GLIDEPOINT: 3348 /* `tapping' action */ 3349 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3350 MOUSE_BUTTON4DOWN; 3351 break; 3352 3353 case MOUSE_MODEL_NETSCROLL: 3354 /* 3355 * three addtional bytes encode buttons and 3356 * wheel events 3357 */ 3358 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3359 MOUSE_BUTTON4DOWN : 0; 3360 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3361 MOUSE_BUTTON5DOWN : 0; 3362 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3363 pb->ipacket[4] - 256 : pb->ipacket[4]; 3364 break; 3365 3366 case MOUSE_MODEL_THINK: 3367 /* the fourth button state in the first byte */ 3368 ms.button |= (c & MOUSE_PS2_TAP) ? 3369 MOUSE_BUTTON4DOWN : 0; 3370 break; 3371 3372 case MOUSE_MODEL_VERSAPAD: 3373 proc_versapad(sc, pb, &ms, &x, &y, &z); 3374 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3375 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3376 break; 3377 3378 case MOUSE_MODEL_4D: 3379 /* 3380 * b7 b6 b5 b4 b3 b2 b1 b0 3381 * byte 1: s2 d2 s1 d1 1 M R L 3382 * byte 2: sx x x x x x x x 3383 * byte 3: sy y y y y y y y 3384 * 3385 * s1: wheel 1 direction 3386 * d1: wheel 1 data 3387 * s2: wheel 2 direction 3388 * d2: wheel 2 data 3389 */ 3390 x = (pb->ipacket[1] & 0x80) ? 3391 pb->ipacket[1] - 256 : pb->ipacket[1]; 3392 y = (pb->ipacket[2] & 0x80) ? 3393 pb->ipacket[2] - 256 : pb->ipacket[2]; 3394 switch (c & MOUSE_4D_WHEELBITS) { 3395 case 0x10: 3396 z = 1; 3397 break; 3398 case 0x30: 3399 z = -1; 3400 break; 3401 case 0x40: /* XXX 2nd wheel turning right */ 3402 z = 2; 3403 break; 3404 case 0xc0: /* XXX 2nd wheel turning left */ 3405 z = -2; 3406 break; 3407 } 3408 break; 3409 3410 case MOUSE_MODEL_4DPLUS: 3411 if ((x < 16 - 256) && (y < 16 - 256)) { 3412 /* 3413 * b7 b6 b5 b4 b3 b2 b1 b0 3414 * byte 1: 0 0 1 1 1 M R L 3415 * byte 2: 0 0 0 0 1 0 0 0 3416 * byte 3: 0 0 0 0 S s d1 d0 3417 * 3418 * L, M, R, S: left, middle, right, 3419 * and side buttons 3420 * s: wheel data sign bit 3421 * d1-d0: wheel data 3422 */ 3423 x = y = 0; 3424 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3425 ms.button |= MOUSE_BUTTON4DOWN; 3426 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3427 ((pb->ipacket[2] & 0x07) - 8) : 3428 (pb->ipacket[2] & 0x07) ; 3429 } else { 3430 /* preserve previous button states */ 3431 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3432 } 3433 break; 3434 3435 case MOUSE_MODEL_SYNAPTICS: 3436 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3437 goto next; 3438 break; 3439 3440 case MOUSE_MODEL_GENERIC: 3441 default: 3442 break; 3443 } 3444 3445 /* scale values */ 3446 if (sc->mode.accelfactor >= 1) { 3447 if (x != 0) { 3448 x = x * x / sc->mode.accelfactor; 3449 if (x == 0) 3450 x = 1; 3451 if (c & MOUSE_PS2_XNEG) 3452 x = -x; 3453 } 3454 if (y != 0) { 3455 y = y * y / sc->mode.accelfactor; 3456 if (y == 0) 3457 y = 1; 3458 if (c & MOUSE_PS2_YNEG) 3459 y = -y; 3460 } 3461 } 3462 3463 ms.dx = x; 3464 ms.dy = y; 3465 ms.dz = z; 3466 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3467 (ms.obutton ^ ms.button); 3468 3469 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3470 3471 sc->status.flags |= ms.flags; 3472 sc->status.dx += ms.dx; 3473 sc->status.dy += ms.dy; 3474 sc->status.dz += ms.dz; 3475 sc->status.button = ms.button; 3476 sc->button = ms.button; 3477 3478 next_native: 3479 sc->watchdog = FALSE; 3480 3481 /* queue data */ 3482 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3483 l = imin(pb->inputbytes, 3484 sizeof(sc->queue.buf) - sc->queue.tail); 3485 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3486 if (pb->inputbytes > l) 3487 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3488 pb->inputbytes - l); 3489 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3490 sizeof(sc->queue.buf); 3491 sc->queue.count += pb->inputbytes; 3492 } 3493 pb->inputbytes = 0; 3494 3495 next: 3496 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3497 sc->pqueue_start = 0; 3498 } while (sc->pqueue_start != sc->pqueue_end); 3499 3500 if (sc->state & PSM_ASLP) { 3501 sc->state &= ~PSM_ASLP; 3502 wakeup(sc); 3503 } 3504 selwakeuppri(&sc->rsel, PZERO); 3505 if (sc->async != NULL) { 3506 pgsigio(&sc->async, SIGIO, 0); 3507 } 3508 sc->state &= ~PSM_SOFTARMED; 3509 splx(s); 3510 } 3511 3512 static int 3513 psmpoll(struct cdev *dev, int events, struct thread *td) 3514 { 3515 struct psm_softc *sc = dev->si_drv1; 3516 int s; 3517 int revents = 0; 3518 3519 /* Return true if a mouse event available */ 3520 s = spltty(); 3521 if (events & (POLLIN | POLLRDNORM)) { 3522 if (sc->queue.count > 0) 3523 revents |= events & (POLLIN | POLLRDNORM); 3524 else 3525 selrecord(td, &sc->rsel); 3526 } 3527 splx(s); 3528 3529 return (revents); 3530 } 3531 3532 /* vendor/model specific routines */ 3533 3534 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3535 { 3536 if (set_mouse_resolution(kbdc, res) != res) 3537 return (FALSE); 3538 if (set_mouse_scaling(kbdc, scale) && 3539 set_mouse_scaling(kbdc, scale) && 3540 set_mouse_scaling(kbdc, scale) && 3541 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3542 return (TRUE); 3543 return (FALSE); 3544 } 3545 3546 static int 3547 mouse_ext_command(KBDC kbdc, int command) 3548 { 3549 int c; 3550 3551 c = (command >> 6) & 0x03; 3552 if (set_mouse_resolution(kbdc, c) != c) 3553 return (FALSE); 3554 c = (command >> 4) & 0x03; 3555 if (set_mouse_resolution(kbdc, c) != c) 3556 return (FALSE); 3557 c = (command >> 2) & 0x03; 3558 if (set_mouse_resolution(kbdc, c) != c) 3559 return (FALSE); 3560 c = (command >> 0) & 0x03; 3561 if (set_mouse_resolution(kbdc, c) != c) 3562 return (FALSE); 3563 return (TRUE); 3564 } 3565 3566 #ifdef notyet 3567 /* Logitech MouseMan Cordless II */ 3568 static int 3569 enable_lcordless(struct psm_softc *sc) 3570 { 3571 int status[3]; 3572 int ch; 3573 3574 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 3575 return (FALSE); 3576 if (status[1] == PSMD_RES_HIGH) 3577 return (FALSE); 3578 ch = (status[0] & 0x07) - 1; /* channel # */ 3579 if ((ch <= 0) || (ch > 4)) 3580 return (FALSE); 3581 /* 3582 * status[1]: always one? 3583 * status[2]: battery status? (0-100) 3584 */ 3585 return (TRUE); 3586 } 3587 #endif /* notyet */ 3588 3589 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3590 static int 3591 enable_groller(struct psm_softc *sc) 3592 { 3593 int status[3]; 3594 3595 /* 3596 * The special sequence to enable the fourth button and the 3597 * roller. Immediately after this sequence check status bytes. 3598 * if the mouse is NetScroll, the second and the third bytes are 3599 * '3' and 'D'. 3600 */ 3601 3602 /* 3603 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3604 * look like the following. 3605 * 3606 * byte 1 bit 7 always 0 3607 * bit 6 stream mode (0) 3608 * bit 5 disabled (0) 3609 * bit 4 1:1 scaling (0) 3610 * bit 3 always 0 3611 * bit 0-2 button status 3612 * byte 2 resolution (PSMD_RES_HIGH) 3613 * byte 3 report rate (?) 3614 */ 3615 3616 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3617 return (FALSE); 3618 if ((status[1] != '3') || (status[2] != 'D')) 3619 return (FALSE); 3620 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3621 sc->hw.buttons = 4; 3622 return (TRUE); 3623 } 3624 3625 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3626 static int 3627 enable_gmouse(struct psm_softc *sc) 3628 { 3629 int status[3]; 3630 3631 /* 3632 * The special sequence to enable the middle, "rubber" button. 3633 * Immediately after this sequence check status bytes. 3634 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3635 * the second and the third bytes are '3' and 'U'. 3636 * NOTE: NetMouse reports that it has three buttons although it has 3637 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3638 * say they have three buttons too and they do have a button on the 3639 * side... 3640 */ 3641 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3642 return (FALSE); 3643 if ((status[1] != '3') || (status[2] != 'U')) 3644 return (FALSE); 3645 return (TRUE); 3646 } 3647 3648 /* ALPS GlidePoint */ 3649 static int 3650 enable_aglide(struct psm_softc *sc) 3651 { 3652 int status[3]; 3653 3654 /* 3655 * The special sequence to obtain ALPS GlidePoint specific 3656 * information. Immediately after this sequence, status bytes will 3657 * contain something interesting. 3658 * NOTE: ALPS produces several models of GlidePoint. Some of those 3659 * do not respond to this sequence, thus, cannot be detected this way. 3660 */ 3661 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 3662 return (FALSE); 3663 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 3664 return (FALSE); 3665 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3666 return (FALSE); 3667 return (TRUE); 3668 } 3669 3670 /* Kensington ThinkingMouse/Trackball */ 3671 static int 3672 enable_kmouse(struct psm_softc *sc) 3673 { 3674 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3675 KBDC kbdc = sc->kbdc; 3676 int status[3]; 3677 int id1; 3678 int id2; 3679 int i; 3680 3681 id1 = get_aux_id(kbdc); 3682 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3683 return (FALSE); 3684 /* 3685 * The device is now in the native mode? It returns a different 3686 * ID value... 3687 */ 3688 id2 = get_aux_id(kbdc); 3689 if ((id1 == id2) || (id2 != 2)) 3690 return (FALSE); 3691 3692 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3693 return (FALSE); 3694 #if PSM_DEBUG >= 2 3695 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3696 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3697 return (FALSE); 3698 #endif 3699 3700 /* 3701 * The special sequence to enable the third and fourth buttons. 3702 * Otherwise they behave like the first and second buttons. 3703 */ 3704 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3705 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3706 return (FALSE); 3707 3708 /* 3709 * At this point, the device is using default resolution and 3710 * sampling rate for the native mode. 3711 */ 3712 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3713 return (FALSE); 3714 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3715 return (FALSE); 3716 3717 /* the device appears be enabled by this sequence, diable it for now */ 3718 disable_aux_dev(kbdc); 3719 empty_aux_buffer(kbdc, 5); 3720 3721 return (TRUE); 3722 } 3723 3724 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3725 static int 3726 enable_mmanplus(struct psm_softc *sc) 3727 { 3728 KBDC kbdc = sc->kbdc; 3729 int data[3]; 3730 3731 /* the special sequence to enable the fourth button and the roller. */ 3732 /* 3733 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3734 * must be called exactly three times since the last RESET command 3735 * before this sequence. XXX 3736 */ 3737 if (!set_mouse_scaling(kbdc, 1)) 3738 return (FALSE); 3739 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3740 return (FALSE); 3741 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3742 return (FALSE); 3743 3744 /* 3745 * PS2++ protocl, packet type 0 3746 * 3747 * b7 b6 b5 b4 b3 b2 b1 b0 3748 * byte 1: * 1 p3 p2 1 * * * 3749 * byte 2: 1 1 p1 p0 m1 m0 1 0 3750 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3751 * 3752 * p3-p0: packet type: 0 3753 * m7-m0: model ID: MouseMan+:0x50, 3754 * FirstMouse+:0x51, 3755 * ScrollPoint:0x58... 3756 */ 3757 /* check constant bits */ 3758 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3759 return (FALSE); 3760 if ((data[1] & 0xc3) != 0xc2) 3761 return (FALSE); 3762 /* check d3-d0 in byte 2 */ 3763 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3764 return (FALSE); 3765 /* check p3-p0 */ 3766 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3767 return (FALSE); 3768 3769 sc->hw.hwid &= 0x00ff; 3770 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3771 3772 /* 3773 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3774 * the wheel and the fourth button events are encoded in the 3775 * special data packet. The mouse may be put in the IntelliMouse mode 3776 * if it is initialized by the IntelliMouse's method. 3777 */ 3778 return (TRUE); 3779 } 3780 3781 /* MS IntelliMouse Explorer */ 3782 static int 3783 enable_msexplorer(struct psm_softc *sc) 3784 { 3785 static u_char rate0[] = { 200, 100, 80, }; 3786 static u_char rate1[] = { 200, 200, 80, }; 3787 KBDC kbdc = sc->kbdc; 3788 int id; 3789 int i; 3790 3791 /* 3792 * This is needed for at least A4Tech X-7xx mice - they do not go 3793 * straight to Explorer mode, but need to be set to Intelli mode 3794 * first. 3795 */ 3796 enable_msintelli(sc); 3797 3798 /* the special sequence to enable the extra buttons and the roller. */ 3799 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) 3800 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3801 return (FALSE); 3802 /* the device will give the genuine ID only after the above sequence */ 3803 id = get_aux_id(kbdc); 3804 if (id != PSM_EXPLORER_ID) 3805 return (FALSE); 3806 3807 sc->hw.hwid = id; 3808 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3809 3810 /* 3811 * XXX: this is a kludge to fool some KVM switch products 3812 * which think they are clever enough to know the 4-byte IntelliMouse 3813 * protocol, and assume any other protocols use 3-byte packets. 3814 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3815 * correctly to the host computer because of this! 3816 * The following sequence is actually IntelliMouse's "wake up" 3817 * sequence; it will make the KVM think the mouse is IntelliMouse 3818 * when it is in fact IntelliMouse Explorer. 3819 */ 3820 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) 3821 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3822 break; 3823 id = get_aux_id(kbdc); 3824 3825 return (TRUE); 3826 } 3827 3828 /* MS IntelliMouse */ 3829 static int 3830 enable_msintelli(struct psm_softc *sc) 3831 { 3832 /* 3833 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3834 * probe routine and act like IntelliMouse. 3835 */ 3836 3837 static u_char rate[] = { 200, 100, 80, }; 3838 KBDC kbdc = sc->kbdc; 3839 int id; 3840 int i; 3841 3842 /* the special sequence to enable the third button and the roller. */ 3843 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3844 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3845 return (FALSE); 3846 /* the device will give the genuine ID only after the above sequence */ 3847 id = get_aux_id(kbdc); 3848 if (id != PSM_INTELLI_ID) 3849 return (FALSE); 3850 3851 sc->hw.hwid = id; 3852 sc->hw.buttons = 3; 3853 3854 return (TRUE); 3855 } 3856 3857 /* A4 Tech 4D Mouse */ 3858 static int 3859 enable_4dmouse(struct psm_softc *sc) 3860 { 3861 /* 3862 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3863 */ 3864 3865 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3866 KBDC kbdc = sc->kbdc; 3867 int id; 3868 int i; 3869 3870 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3871 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3872 return (FALSE); 3873 id = get_aux_id(kbdc); 3874 /* 3875 * WinEasy 4D, 4 Way Scroll 4D: 6 3876 * Cable-Free 4D: 8 (4DPLUS) 3877 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3878 */ 3879 if (id != PSM_4DMOUSE_ID) 3880 return (FALSE); 3881 3882 sc->hw.hwid = id; 3883 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3884 3885 return (TRUE); 3886 } 3887 3888 /* A4 Tech 4D+ Mouse */ 3889 static int 3890 enable_4dplus(struct psm_softc *sc) 3891 { 3892 /* 3893 * Newer wheel mice from A4 Tech seem to use this protocol. 3894 * Older models are recognized as either 4D Mouse or IntelliMouse. 3895 */ 3896 KBDC kbdc = sc->kbdc; 3897 int id; 3898 3899 /* 3900 * enable_4dmouse() already issued the following ID sequence... 3901 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3902 int i; 3903 3904 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3905 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3906 return (FALSE); 3907 */ 3908 3909 id = get_aux_id(kbdc); 3910 switch (id) { 3911 case PSM_4DPLUS_ID: 3912 sc->hw.buttons = 4; 3913 break; 3914 case PSM_4DPLUS_RFSW35_ID: 3915 sc->hw.buttons = 3; 3916 break; 3917 default: 3918 return (FALSE); 3919 } 3920 3921 sc->hw.hwid = id; 3922 3923 return (TRUE); 3924 } 3925 3926 /* Synaptics Touchpad */ 3927 static int 3928 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 3929 { 3930 int error, arg; 3931 3932 /* Read the current value. */ 3933 arg = *(int *)oidp->oid_arg1; 3934 error = sysctl_handle_int(oidp, &arg, 0, req); 3935 3936 /* Sanity check. */ 3937 if (error || !req->newptr) 3938 return (error); 3939 3940 /* 3941 * Check that the new value is in the concerned node's range 3942 * of values. 3943 */ 3944 switch (oidp->oid_arg2) { 3945 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 3946 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 3947 if (arg < 0 || arg > 255) 3948 return (EINVAL); 3949 break; 3950 case SYNAPTICS_SYSCTL_MAX_WIDTH: 3951 if (arg < 4 || arg > 15) 3952 return (EINVAL); 3953 break; 3954 case SYNAPTICS_SYSCTL_MARGIN_TOP: 3955 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 3956 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 3957 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 3958 case SYNAPTICS_SYSCTL_NA_TOP: 3959 case SYNAPTICS_SYSCTL_NA_RIGHT: 3960 case SYNAPTICS_SYSCTL_NA_BOTTOM: 3961 case SYNAPTICS_SYSCTL_NA_LEFT: 3962 if (arg < 0 || arg > 6143) 3963 return (EINVAL); 3964 break; 3965 case SYNAPTICS_SYSCTL_WINDOW_MIN: 3966 case SYNAPTICS_SYSCTL_WINDOW_MAX: 3967 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 3968 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 3969 return (EINVAL); 3970 break; 3971 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 3972 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 3973 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 3974 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 3975 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 3976 case SYNAPTICS_SYSCTL_DIV_MIN: 3977 case SYNAPTICS_SYSCTL_DIV_MAX: 3978 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 3979 case SYNAPTICS_SYSCTL_DIV_LEN: 3980 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 3981 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 3982 if (arg < 1) 3983 return (EINVAL); 3984 break; 3985 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 3986 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 3987 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 3988 if (arg < 0) 3989 return (EINVAL); 3990 break; 3991 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 3992 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 3993 if (arg < -6143 || arg > 6143) 3994 return (EINVAL); 3995 break; 3996 default: 3997 return (EINVAL); 3998 } 3999 4000 /* Update. */ 4001 *(int *)oidp->oid_arg1 = arg; 4002 4003 return (error); 4004 } 4005 4006 static void 4007 synaptics_sysctl_create_tree(struct psm_softc *sc) 4008 { 4009 4010 if (sc->syninfo.sysctl_tree != NULL) 4011 return; 4012 4013 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 4014 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 4015 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 4016 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 4017 0, "Synaptics TouchPad"); 4018 4019 /* hw.psm.synaptics.directional_scrolls. */ 4020 sc->syninfo.directional_scrolls = 1; 4021 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4022 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4023 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4024 &sc->syninfo.directional_scrolls, 0, 4025 "Enable hardware scrolling pad (if non-zero) or register it as " 4026 "a middle-click (if 0)"); 4027 4028 /* hw.psm.synaptics.min_pressure. */ 4029 sc->syninfo.min_pressure = 16; 4030 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4031 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4032 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4033 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4034 synaptics_sysctl, "I", 4035 "Minimum pressure required to start an action"); 4036 4037 /* hw.psm.synaptics.max_pressure. */ 4038 sc->syninfo.max_pressure = 220; 4039 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4040 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4041 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4042 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4043 synaptics_sysctl, "I", 4044 "Maximum pressure to detect palm"); 4045 4046 /* hw.psm.synaptics.max_width. */ 4047 sc->syninfo.max_width = 10; 4048 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4049 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4050 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4051 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4052 synaptics_sysctl, "I", 4053 "Maximum finger width to detect palm"); 4054 4055 /* hw.psm.synaptics.top_margin. */ 4056 sc->syninfo.margin_top = 200; 4057 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4058 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4059 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4060 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4061 synaptics_sysctl, "I", 4062 "Top margin"); 4063 4064 /* hw.psm.synaptics.right_margin. */ 4065 sc->syninfo.margin_right = 200; 4066 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4067 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4068 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4069 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4070 synaptics_sysctl, "I", 4071 "Right margin"); 4072 4073 /* hw.psm.synaptics.bottom_margin. */ 4074 sc->syninfo.margin_bottom = 200; 4075 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4076 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4077 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4078 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4079 synaptics_sysctl, "I", 4080 "Bottom margin"); 4081 4082 /* hw.psm.synaptics.left_margin. */ 4083 sc->syninfo.margin_left = 200; 4084 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4085 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4086 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4087 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4088 synaptics_sysctl, "I", 4089 "Left margin"); 4090 4091 /* hw.psm.synaptics.na_top. */ 4092 sc->syninfo.na_top = 1783; 4093 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4094 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4095 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4096 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4097 synaptics_sysctl, "I", 4098 "Top noisy area, where weight_previous_na is used instead " 4099 "of weight_previous"); 4100 4101 /* hw.psm.synaptics.na_right. */ 4102 sc->syninfo.na_right = 563; 4103 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4104 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4105 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4106 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4107 synaptics_sysctl, "I", 4108 "Right noisy area, where weight_previous_na is used instead " 4109 "of weight_previous"); 4110 4111 /* hw.psm.synaptics.na_bottom. */ 4112 sc->syninfo.na_bottom = 1408; 4113 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4114 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4115 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4116 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4117 synaptics_sysctl, "I", 4118 "Bottom noisy area, where weight_previous_na is used instead " 4119 "of weight_previous"); 4120 4121 /* hw.psm.synaptics.na_left. */ 4122 sc->syninfo.na_left = 1600; 4123 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4124 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4125 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4126 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4127 synaptics_sysctl, "I", 4128 "Left noisy area, where weight_previous_na is used instead " 4129 "of weight_previous"); 4130 4131 /* hw.psm.synaptics.window_min. */ 4132 sc->syninfo.window_min = 4; 4133 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4134 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4135 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4136 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4137 synaptics_sysctl, "I", 4138 "Minimum window size to start an action"); 4139 4140 /* hw.psm.synaptics.window_max. */ 4141 sc->syninfo.window_max = 10; 4142 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4143 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4144 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4145 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4146 synaptics_sysctl, "I", 4147 "Maximum window size"); 4148 4149 /* hw.psm.synaptics.multiplicator. */ 4150 sc->syninfo.multiplicator = 10000; 4151 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4152 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4153 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4154 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4155 synaptics_sysctl, "I", 4156 "Multiplicator to increase precision in averages and divisions"); 4157 4158 /* hw.psm.synaptics.weight_current. */ 4159 sc->syninfo.weight_current = 3; 4160 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4161 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4162 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4163 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4164 synaptics_sysctl, "I", 4165 "Weight of the current movement in the new average"); 4166 4167 /* hw.psm.synaptics.weight_previous. */ 4168 sc->syninfo.weight_previous = 6; 4169 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4170 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4171 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4172 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4173 synaptics_sysctl, "I", 4174 "Weight of the previous average"); 4175 4176 /* hw.psm.synaptics.weight_previous_na. */ 4177 sc->syninfo.weight_previous_na = 20; 4178 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4179 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4180 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4181 &sc->syninfo.weight_previous_na, 4182 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4183 synaptics_sysctl, "I", 4184 "Weight of the previous average (inside the noisy area)"); 4185 4186 /* hw.psm.synaptics.weight_len_squared. */ 4187 sc->syninfo.weight_len_squared = 2000; 4188 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4189 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4190 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4191 &sc->syninfo.weight_len_squared, 4192 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4193 synaptics_sysctl, "I", 4194 "Length (squared) of segments where weight_previous " 4195 "starts to decrease"); 4196 4197 /* hw.psm.synaptics.div_min. */ 4198 sc->syninfo.div_min = 9; 4199 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4200 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4201 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4202 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4203 synaptics_sysctl, "I", 4204 "Divisor for fast movements"); 4205 4206 /* hw.psm.synaptics.div_max. */ 4207 sc->syninfo.div_max = 17; 4208 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4209 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4210 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4211 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4212 synaptics_sysctl, "I", 4213 "Divisor for slow movements"); 4214 4215 /* hw.psm.synaptics.div_max_na. */ 4216 sc->syninfo.div_max_na = 30; 4217 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4218 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4219 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4220 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4221 synaptics_sysctl, "I", 4222 "Divisor with slow movements (inside the noisy area)"); 4223 4224 /* hw.psm.synaptics.div_len. */ 4225 sc->syninfo.div_len = 100; 4226 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4227 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4228 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4229 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4230 synaptics_sysctl, "I", 4231 "Length of segments where div_max starts to decrease"); 4232 4233 /* hw.psm.synaptics.tap_max_delta. */ 4234 sc->syninfo.tap_max_delta = 80; 4235 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4236 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4237 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4238 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4239 synaptics_sysctl, "I", 4240 "Length of segments above which a tap is ignored"); 4241 4242 /* hw.psm.synaptics.tap_min_queue. */ 4243 sc->syninfo.tap_min_queue = 2; 4244 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4245 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4246 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4247 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4248 synaptics_sysctl, "I", 4249 "Number of packets required to consider a tap"); 4250 4251 /* hw.psm.synaptics.taphold_timeout. */ 4252 sc->synaction.in_taphold = 0; 4253 sc->syninfo.taphold_timeout = tap_timeout; 4254 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4255 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4256 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4257 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4258 synaptics_sysctl, "I", 4259 "Maximum elapsed time between two taps to consider a tap-hold " 4260 "action"); 4261 4262 /* hw.psm.synaptics.vscroll_hor_area. */ 4263 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4264 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4265 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4266 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4267 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4268 synaptics_sysctl, "I", 4269 "Area reserved for horizontal virtual scrolling"); 4270 4271 /* hw.psm.synaptics.vscroll_ver_area. */ 4272 sc->syninfo.vscroll_ver_area = -600; 4273 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4274 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4275 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4276 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4277 synaptics_sysctl, "I", 4278 "Area reserved for vertical virtual scrolling"); 4279 4280 /* hw.psm.synaptics.vscroll_min_delta. */ 4281 sc->syninfo.vscroll_min_delta = 50; 4282 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4283 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4284 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4285 &sc->syninfo.vscroll_min_delta, 4286 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4287 synaptics_sysctl, "I", 4288 "Minimum movement to consider virtual scrolling"); 4289 4290 /* hw.psm.synaptics.vscroll_div_min. */ 4291 sc->syninfo.vscroll_div_min = 100; 4292 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4293 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4294 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4295 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4296 synaptics_sysctl, "I", 4297 "Divisor for fast scrolling"); 4298 4299 /* hw.psm.synaptics.vscroll_div_min. */ 4300 sc->syninfo.vscroll_div_max = 150; 4301 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4302 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4303 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4304 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4305 synaptics_sysctl, "I", 4306 "Divisor for slow scrolling"); 4307 } 4308 4309 static int 4310 enable_synaptics(struct psm_softc *sc) 4311 { 4312 int status[3]; 4313 KBDC kbdc; 4314 4315 if (!synaptics_support) 4316 return (FALSE); 4317 4318 kbdc = sc->kbdc; 4319 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4320 sc->hw.buttons = 3; 4321 sc->squelch = 0; 4322 4323 /* 4324 * Just to be on the safe side: this avoids troubles with 4325 * following mouse_ext_command() when the previous command 4326 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4327 * Synaptics Touchpad behaviour. 4328 */ 4329 set_mouse_scaling(kbdc, 1); 4330 4331 /* Identify the Touchpad version. */ 4332 if (mouse_ext_command(kbdc, 0) == 0) 4333 return (FALSE); 4334 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4335 return (FALSE); 4336 if (status[1] != 0x47) 4337 return (FALSE); 4338 4339 sc->synhw.infoMinor = status[0]; 4340 sc->synhw.infoMajor = status[2] & 0x0f; 4341 4342 if (verbose >= 2) 4343 printf("Synaptics Touchpad v%d.%d\n", sc->synhw.infoMajor, 4344 sc->synhw.infoMinor); 4345 4346 if (sc->synhw.infoMajor < 4) { 4347 printf(" Unsupported (pre-v4) Touchpad detected\n"); 4348 return (FALSE); 4349 } 4350 4351 /* Get the Touchpad model information. */ 4352 if (mouse_ext_command(kbdc, 3) == 0) 4353 return (FALSE); 4354 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4355 return (FALSE); 4356 if ((status[1] & 0x01) != 0) { 4357 printf(" Failed to read model information\n"); 4358 return (FALSE); 4359 } 4360 4361 sc->synhw.infoRot180 = (status[0] & 0x80) >> 7; 4362 sc->synhw.infoPortrait = (status[0] & 0x40) >> 6; 4363 sc->synhw.infoSensor = status[0] & 0x3f; 4364 sc->synhw.infoHardware = (status[1] & 0xfe) >> 1; 4365 sc->synhw.infoNewAbs = (status[2] & 0x80) >> 7; 4366 sc->synhw.capPen = (status[2] & 0x40) >> 6; 4367 sc->synhw.infoSimplC = (status[2] & 0x20) >> 5; 4368 sc->synhw.infoGeometry = status[2] & 0x0f; 4369 4370 if (verbose >= 2) { 4371 printf(" Model information:\n"); 4372 printf(" infoRot180: %d\n", sc->synhw.infoRot180); 4373 printf(" infoPortrait: %d\n", sc->synhw.infoPortrait); 4374 printf(" infoSensor: %d\n", sc->synhw.infoSensor); 4375 printf(" infoHardware: %d\n", sc->synhw.infoHardware); 4376 printf(" infoNewAbs: %d\n", sc->synhw.infoNewAbs); 4377 printf(" capPen: %d\n", sc->synhw.capPen); 4378 printf(" infoSimplC: %d\n", sc->synhw.infoSimplC); 4379 printf(" infoGeometry: %d\n", sc->synhw.infoGeometry); 4380 } 4381 4382 /* Read the extended capability bits. */ 4383 if (mouse_ext_command(kbdc, 2) == 0) 4384 return (FALSE); 4385 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4386 return (FALSE); 4387 if (status[1] != 0x47) { 4388 printf(" Failed to read extended capability bits\n"); 4389 return (FALSE); 4390 } 4391 4392 /* Set the different capabilities when they exist. */ 4393 if ((status[0] & 0x80) >> 7) { 4394 sc->synhw.capExtended = (status[0] & 0x80) >> 7; 4395 sc->synhw.capPassthrough = (status[2] & 0x80) >> 7; 4396 sc->synhw.capSleep = (status[2] & 0x10) >> 4; 4397 sc->synhw.capFourButtons = (status[2] & 0x08) >> 3; 4398 sc->synhw.capMultiFinger = (status[2] & 0x02) >> 1; 4399 sc->synhw.capPalmDetect = (status[2] & 0x01); 4400 4401 if (verbose >= 2) { 4402 printf(" Extended capabilities:\n"); 4403 printf(" capExtended: %d\n", sc->synhw.capExtended); 4404 printf(" capPassthrough: %d\n", 4405 sc->synhw.capPassthrough); 4406 printf(" capSleep: %d\n", sc->synhw.capSleep); 4407 printf(" capFourButtons: %d\n", 4408 sc->synhw.capFourButtons); 4409 printf(" capMultiFinger: %d\n", 4410 sc->synhw.capMultiFinger); 4411 printf(" capPalmDetect: %d\n", 4412 sc->synhw.capPalmDetect); 4413 } 4414 4415 /* 4416 * If we have bits set in status[0] & 0x70, then we can load 4417 * more information about buttons using query 0x09. 4418 */ 4419 if (status[0] & 0x70) { 4420 if (mouse_ext_command(kbdc, 0x09) == 0) 4421 return (FALSE); 4422 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4423 return (FALSE); 4424 sc->hw.buttons = ((status[1] & 0xf0) >> 4) + 3; 4425 if (verbose >= 2) 4426 printf(" Additional Buttons: %d\n", 4427 sc->hw.buttons -3); 4428 } 4429 } else { 4430 sc->synhw.capExtended = 0; 4431 4432 if (verbose >= 2) 4433 printf(" No extended capabilities\n"); 4434 } 4435 4436 /* 4437 * Read the mode byte. 4438 * 4439 * XXX: Note the Synaptics documentation also defines the first 4440 * byte of the response to this query to be a constant 0x3b, this 4441 * does not appear to be true for Touchpads with guest devices. 4442 */ 4443 if (mouse_ext_command(kbdc, 1) == 0) 4444 return (FALSE); 4445 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4446 return (FALSE); 4447 if (status[1] != 0x47) { 4448 printf(" Failed to read mode byte\n"); 4449 return (FALSE); 4450 } 4451 4452 /* Set the mode byte; request wmode where available. */ 4453 if (sc->synhw.capExtended) 4454 mouse_ext_command(kbdc, 0xc1); 4455 else 4456 mouse_ext_command(kbdc, 0xc0); 4457 4458 /* "Commit" the Set Mode Byte command sent above. */ 4459 set_mouse_sampling_rate(kbdc, 20); 4460 4461 /* 4462 * Report the correct number of buttons 4463 * 4464 * XXX: I'm not sure this is used anywhere. 4465 */ 4466 if (sc->synhw.capExtended && sc->synhw.capFourButtons) 4467 sc->hw.buttons = 4; 4468 4469 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", 4470 sc->hw.buttons)); 4471 4472 /* Create sysctl tree. */ 4473 synaptics_sysctl_create_tree(sc); 4474 4475 /* 4476 * The touchpad will have to be reinitialized after 4477 * suspend/resume. 4478 */ 4479 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4480 4481 return (TRUE); 4482 } 4483 4484 /* Interlink electronics VersaPad */ 4485 static int 4486 enable_versapad(struct psm_softc *sc) 4487 { 4488 KBDC kbdc = sc->kbdc; 4489 int data[3]; 4490 4491 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 4492 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 4493 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4494 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4495 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4496 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4497 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 4498 return (FALSE); 4499 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 4500 return (FALSE); 4501 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4502 4503 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4504 4505 return (TRUE); /* PS/2 absolute mode */ 4506 } 4507 4508 /* 4509 * Return true if 'now' is earlier than (start + (secs.usecs)). 4510 * Now may be NULL and the function will fetch the current time from 4511 * getmicrouptime(), or a cached 'now' can be passed in. 4512 * All values should be numbers derived from getmicrouptime(). 4513 */ 4514 static int 4515 timeelapsed(start, secs, usecs, now) 4516 const struct timeval *start, *now; 4517 int secs, usecs; 4518 { 4519 struct timeval snow, tv; 4520 4521 /* if there is no 'now' passed in, the get it as a convience. */ 4522 if (now == NULL) { 4523 getmicrouptime(&snow); 4524 now = &snow; 4525 } 4526 4527 tv.tv_sec = secs; 4528 tv.tv_usec = usecs; 4529 timevaladd(&tv, start); 4530 return (timevalcmp(&tv, now, <)); 4531 } 4532 4533 static int 4534 psmresume(device_t dev) 4535 { 4536 struct psm_softc *sc = device_get_softc(dev); 4537 int unit = device_get_unit(dev); 4538 int err; 4539 4540 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 4541 4542 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 4543 return (0); 4544 4545 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 4546 4547 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 4548 /* 4549 * Release the blocked process; it must be notified that 4550 * the device cannot be accessed anymore. 4551 */ 4552 sc->state &= ~PSM_ASLP; 4553 wakeup(sc); 4554 } 4555 4556 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 4557 4558 return (err); 4559 } 4560 4561 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 4562 4563 #ifdef DEV_ISA 4564 4565 /* 4566 * This sucks up assignments from PNPBIOS and ACPI. 4567 */ 4568 4569 /* 4570 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 4571 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 4572 * can be probed and attached only after the AT keyboard controller is 4573 * attached, we shall quietly reserve the IRQ resource for later use. 4574 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 4575 * copy the IRQ resource to the PS/2 mouse device instance hanging 4576 * under the keyboard controller, then probe and attach it. 4577 */ 4578 4579 static devclass_t psmcpnp_devclass; 4580 4581 static device_probe_t psmcpnp_probe; 4582 static device_attach_t psmcpnp_attach; 4583 4584 static device_method_t psmcpnp_methods[] = { 4585 DEVMETHOD(device_probe, psmcpnp_probe), 4586 DEVMETHOD(device_attach, psmcpnp_attach), 4587 4588 { 0, 0 } 4589 }; 4590 4591 static driver_t psmcpnp_driver = { 4592 PSMCPNP_DRIVER_NAME, 4593 psmcpnp_methods, 4594 1, /* no softc */ 4595 }; 4596 4597 static struct isa_pnp_id psmcpnp_ids[] = { 4598 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 4599 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 4600 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 4601 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 4602 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 4603 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 4604 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 4605 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 4606 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 4607 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 4608 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 4609 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 4610 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 4611 { 0 } 4612 }; 4613 4614 static int 4615 create_a_copy(device_t atkbdc, device_t me) 4616 { 4617 device_t psm; 4618 u_long irq; 4619 4620 /* find the PS/2 mouse device instance under the keyboard controller */ 4621 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 4622 device_get_unit(atkbdc)); 4623 if (psm == NULL) 4624 return (ENXIO); 4625 if (device_get_state(psm) != DS_NOTPRESENT) 4626 return (0); 4627 4628 /* move our resource to the found device */ 4629 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 4630 bus_delete_resource(me, SYS_RES_IRQ, 0); 4631 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 4632 4633 /* ...then probe and attach it */ 4634 return (device_probe_and_attach(psm)); 4635 } 4636 4637 static int 4638 psmcpnp_probe(device_t dev) 4639 { 4640 struct resource *res; 4641 u_long irq; 4642 int rid; 4643 4644 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 4645 return (ENXIO); 4646 4647 /* 4648 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 4649 * to the PS/2 mouse device node. But, some buggy PnP BIOS 4650 * declares the PS/2 mouse device node without an IRQ resource! 4651 * If this happens, we shall refer to device hints. 4652 * If we still don't find it there, use a hardcoded value... XXX 4653 */ 4654 rid = 0; 4655 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 4656 if (irq <= 0) { 4657 if (resource_long_value(PSM_DRIVER_NAME, 4658 device_get_unit(dev),"irq", &irq) != 0) 4659 irq = 12; /* XXX */ 4660 device_printf(dev, "irq resource info is missing; " 4661 "assuming irq %ld\n", irq); 4662 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 4663 } 4664 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 4665 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 4666 4667 /* keep quiet */ 4668 if (!bootverbose) 4669 device_quiet(dev); 4670 4671 return ((res == NULL) ? ENXIO : 0); 4672 } 4673 4674 static int 4675 psmcpnp_attach(device_t dev) 4676 { 4677 device_t atkbdc; 4678 4679 /* find the keyboard controller, which may be on acpi* or isa* bus */ 4680 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 4681 device_get_unit(dev)); 4682 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 4683 create_a_copy(atkbdc, dev); 4684 4685 return (0); 4686 } 4687 4688 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 4689 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 4690 4691 #endif /* DEV_ISA */ 4692