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