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 * $FreeBSD: src/sys/dev/atkbdc/psm.c,v 1.107 2010/09/09 07:52:15 ed Exp $ 61 */ 62 #include "opt_psm.h" 63 64 #include <sys/param.h> 65 #include <sys/systm.h> 66 #include <sys/kernel.h> 67 #include <sys/module.h> 68 #include <sys/bus.h> 69 #include <sys/conf.h> 70 #include <sys/device.h> 71 #include <sys/event.h> 72 #include <sys/syslog.h> 73 #include <sys/malloc.h> 74 #include <sys/rman.h> 75 #include <sys/sysctl.h> 76 #include <sys/thread2.h> 77 #include <sys/time.h> 78 #include <sys/uio.h> 79 #include <sys/machintr.h> 80 81 #include <machine/clock.h> 82 #include <machine/limits.h> 83 #include <sys/mouse.h> 84 85 #include <bus/isa/isavar.h> 86 #include <dev/misc/kbd/atkbdcreg.h> 87 88 /* 89 * Driver specific options: the following options may be set by 90 * `options' statements in the kernel configuration file. 91 */ 92 93 /* debugging */ 94 #ifndef PSM_DEBUG 95 #define PSM_DEBUG 0 /* 96 * logging: 0: none, 1: brief, 2: verbose 97 * 3: sync errors, 4: all packets 98 */ 99 #endif 100 #define VLOG(level, args) do { \ 101 if (verbose >= level) \ 102 log args; \ 103 } while (0) 104 105 #ifndef PSM_INPUT_TIMEOUT 106 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 107 #endif 108 109 #ifndef PSM_TAP_TIMEOUT 110 #define PSM_TAP_TIMEOUT 125000 111 #endif 112 113 #ifndef PSM_TAP_THRESHOLD 114 #define PSM_TAP_THRESHOLD 25 115 #endif 116 117 /* end of driver specific options */ 118 119 #define PSM_DRIVER_NAME "psm" 120 #define PSMCPNP_DRIVER_NAME "psmcpnp" 121 122 /* input queue */ 123 #define PSM_BUFSIZE 960 124 #define PSM_SMALLBUFSIZE 240 125 126 /* operation levels */ 127 #define PSM_LEVEL_BASE 0 128 #define PSM_LEVEL_STANDARD 1 129 #define PSM_LEVEL_NATIVE 2 130 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 131 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 132 133 /* Logitech PS2++ protocol */ 134 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 135 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 136 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 137 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 138 139 /* some macros */ 140 #define PSM_UNIT(dev) (minor(dev) >> 1) 141 #define PSM_NBLOCKIO(dev) (minor(dev) & 1) 142 #define PSM_MKMINOR(unit,block) ((((unit) & 0xff) << 1) | ((block) ? 0:1)) 143 144 /* ring buffer */ 145 typedef struct ringbuf { 146 int count; /* # of valid elements in the buffer */ 147 int head; /* head pointer */ 148 int tail; /* tail poiner */ 149 u_char buf[PSM_BUFSIZE]; 150 } ringbuf_t; 151 152 /* data buffer */ 153 typedef struct packetbuf { 154 u_char ipacket[16]; /* interim input buffer */ 155 int inputbytes; /* # of bytes in the input buffer */ 156 } packetbuf_t; 157 158 #ifndef PSM_PACKETQUEUE 159 #define PSM_PACKETQUEUE 128 160 #endif 161 162 enum { 163 SYNAPTICS_SYSCTL_MIN_PRESSURE, 164 SYNAPTICS_SYSCTL_MAX_PRESSURE, 165 SYNAPTICS_SYSCTL_MAX_WIDTH, 166 SYNAPTICS_SYSCTL_MARGIN_TOP, 167 SYNAPTICS_SYSCTL_MARGIN_RIGHT, 168 SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 169 SYNAPTICS_SYSCTL_MARGIN_LEFT, 170 SYNAPTICS_SYSCTL_NA_TOP, 171 SYNAPTICS_SYSCTL_NA_RIGHT, 172 SYNAPTICS_SYSCTL_NA_BOTTOM, 173 SYNAPTICS_SYSCTL_NA_LEFT, 174 SYNAPTICS_SYSCTL_WINDOW_MIN, 175 SYNAPTICS_SYSCTL_WINDOW_MAX, 176 SYNAPTICS_SYSCTL_MULTIPLICATOR, 177 SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 178 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 179 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 180 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 181 SYNAPTICS_SYSCTL_DIV_MIN, 182 SYNAPTICS_SYSCTL_DIV_MAX, 183 SYNAPTICS_SYSCTL_DIV_MAX_NA, 184 SYNAPTICS_SYSCTL_DIV_LEN, 185 SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 186 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 187 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 188 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 189 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 190 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 191 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 192 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX 193 }; 194 195 typedef struct synapticsinfo { 196 struct sysctl_ctx_list sysctl_ctx; 197 struct sysctl_oid *sysctl_tree; 198 int directional_scrolls; 199 int min_pressure; 200 int max_pressure; 201 int max_width; 202 int margin_top; 203 int margin_right; 204 int margin_bottom; 205 int margin_left; 206 int na_top; 207 int na_right; 208 int na_bottom; 209 int na_left; 210 int window_min; 211 int window_max; 212 int multiplicator; 213 int weight_current; 214 int weight_previous; 215 int weight_previous_na; 216 int weight_len_squared; 217 int div_min; 218 int div_max; 219 int div_max_na; 220 int div_len; 221 int tap_max_delta; 222 int tap_min_queue; 223 int taphold_timeout; 224 int vscroll_ver_area; 225 int vscroll_hor_area; 226 int vscroll_min_delta; 227 int vscroll_div_min; 228 int vscroll_div_max; 229 } synapticsinfo_t; 230 231 typedef struct synapticspacket { 232 int x; 233 int y; 234 } synapticspacket_t; 235 236 #define SYNAPTICS_PACKETQUEUE 10 237 #define SYNAPTICS_QUEUE_CURSOR(x) \ 238 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 239 240 typedef struct synapticsaction { 241 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 242 int queue_len; 243 int queue_cursor; 244 int window_min; 245 int start_x; 246 int start_y; 247 int avg_dx; 248 int avg_dy; 249 int squelch_x; 250 int squelch_y; 251 int fingers_nb; 252 int tap_button; 253 int in_taphold; 254 int in_vscroll; 255 } synapticsaction_t; 256 257 /* driver control block */ 258 struct psm_softc { /* Driver status information */ 259 int unit; 260 struct kqinfo rkq; /* Processes with registered kevents */ 261 u_char state; /* Mouse driver state */ 262 int config; /* driver configuration flags */ 263 int flags; /* other flags */ 264 KBDC kbdc; /* handle to access kbd controller */ 265 struct resource *intr; /* IRQ resource */ 266 void *ih; /* interrupt handle */ 267 mousehw_t hw; /* hardware information */ 268 synapticshw_t synhw; /* Synaptics hardware information */ 269 synapticsinfo_t syninfo; /* Synaptics configuration */ 270 synapticsaction_t synaction; /* Synaptics action context */ 271 mousemode_t mode; /* operation mode */ 272 mousemode_t dflt_mode; /* default operation mode */ 273 mousestatus_t status; /* accumulated mouse movement */ 274 ringbuf_t queue; /* mouse status queue */ 275 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 276 int pqueue_start; /* start of data in queue */ 277 int pqueue_end; /* end of data in queue */ 278 int button; /* the latest button state */ 279 int xold; /* previous absolute X position */ 280 int yold; /* previous absolute Y position */ 281 int xaverage; /* average X position */ 282 int yaverage; /* average Y position */ 283 int squelch; /* level to filter movement at low speed */ 284 int zmax; /* maximum pressure value for touchpads */ 285 int syncerrors; /* # of bytes discarded to synchronize */ 286 int pkterrors; /* # of packets failed during quaranteen. */ 287 struct timeval inputtimeout; 288 struct timeval lastsoftintr; /* time of last soft interrupt */ 289 struct timeval lastinputerr; /* time last sync error happened */ 290 struct timeval taptimeout; /* tap timeout for touchpads */ 291 int watchdog; /* watchdog timer flag */ 292 struct callout callout; /* watchdog timer call out */ 293 struct callout softcallout; /* buffer timer call out */ 294 struct cdev *dev; 295 struct cdev *bdev; 296 int lasterr; 297 int cmdcount; 298 struct sigio *async; /* Processes waiting for SIGIO */ 299 }; 300 static devclass_t psm_devclass; 301 #define PSM_SOFTC(unit) ((struct psm_softc*)devclass_get_softc(psm_devclass, unit)) 302 303 /* driver state flags (state) */ 304 #define PSM_VALID 0x80 305 #define PSM_OPEN 1 /* Device is open */ 306 #define PSM_ASLP 2 /* Waiting for mouse data */ 307 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 308 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 309 310 /* driver configuration flags (config) */ 311 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 312 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 313 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 314 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 315 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 316 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 317 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 318 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 319 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 320 #define PSM_CONFIG_SYNCHACK 0x8000 /* enable `out-of-sync' hack */ 321 322 #define PSM_CONFIG_FLAGS \ 323 (PSM_CONFIG_RESOLUTION | \ 324 PSM_CONFIG_ACCEL | \ 325 PSM_CONFIG_NOCHECKSYNC | \ 326 PSM_CONFIG_SYNCHACK | \ 327 PSM_CONFIG_NOIDPROBE | \ 328 PSM_CONFIG_NORESET | \ 329 PSM_CONFIG_FORCETAP | \ 330 PSM_CONFIG_IGNPORTERROR | \ 331 PSM_CONFIG_HOOKRESUME | \ 332 PSM_CONFIG_INITAFTERSUSPEND) 333 334 /* other flags (flags) */ 335 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 336 337 /* Tunables */ 338 static int tap_enabled = -1; 339 TUNABLE_INT("hw.psm.tap_enabled", &tap_enabled); 340 341 static int synaptics_support = 0; 342 TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 343 344 static int verbose = PSM_DEBUG; 345 TUNABLE_INT("debug.psm.loglevel", &verbose); 346 347 /* for backward compatibility */ 348 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 349 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 350 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 351 352 typedef struct old_mousehw { 353 int buttons; 354 int iftype; 355 int type; 356 int hwid; 357 } old_mousehw_t; 358 359 typedef struct old_mousemode { 360 int protocol; 361 int rate; 362 int resolution; 363 int accelfactor; 364 } old_mousemode_t; 365 366 /* packet formatting function */ 367 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 368 mousestatus_t *); 369 370 /* function prototypes */ 371 static void psmidentify(driver_t *, device_t); 372 static int psmprobe(device_t); 373 static int psmattach(device_t); 374 static int psmdetach(device_t); 375 static int psmresume(device_t); 376 377 static d_open_t psmopen; 378 static d_close_t psmclose; 379 static d_read_t psmread; 380 static d_write_t psmwrite; 381 static d_ioctl_t psmioctl; 382 static d_kqfilter_t psmkqfilter; 383 384 static int enable_aux_dev(KBDC); 385 static int disable_aux_dev(KBDC); 386 static int get_mouse_status(KBDC, int *, int, int); 387 static int get_aux_id(KBDC); 388 static int set_mouse_sampling_rate(KBDC, int); 389 static int set_mouse_scaling(KBDC, int); 390 static int set_mouse_resolution(KBDC, int); 391 static int set_mouse_mode(KBDC); 392 static int get_mouse_buttons(KBDC); 393 static int is_a_mouse(int); 394 static void recover_from_error(KBDC); 395 static int restore_controller(KBDC, int); 396 static int doinitialize(struct psm_softc *, mousemode_t *); 397 static int doopen(struct psm_softc *, int); 398 static int reinitialize(struct psm_softc *, int); 399 static char *model_name(int); 400 static void psmsoftintr(void *); 401 static void psmintr(void *); 402 static void psmtimeout(void *); 403 static void psmfilter_detach(struct knote *); 404 static int psmfilter(struct knote *, long); 405 static int timeelapsed(const struct timeval *, int, int, 406 const struct timeval *); 407 static void dropqueue(struct psm_softc *); 408 static void flushpackets(struct psm_softc *); 409 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 410 mousestatus_t *, int *, int *, int *); 411 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 412 mousestatus_t *, int *, int *, int *); 413 static void proc_versapad(struct psm_softc *, packetbuf_t *, 414 mousestatus_t *, int *, int *, int *); 415 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 416 u_char *); 417 418 /* vendor specific features */ 419 typedef int probefunc_t(struct psm_softc *); 420 421 static int mouse_id_proc1(KBDC, int, int, int *); 422 static int mouse_ext_command(KBDC, int); 423 424 static probefunc_t enable_groller; 425 static probefunc_t enable_gmouse; 426 static probefunc_t enable_aglide; 427 static probefunc_t enable_kmouse; 428 static probefunc_t enable_msexplorer; 429 static probefunc_t enable_msintelli; 430 static probefunc_t enable_4dmouse; 431 static probefunc_t enable_4dplus; 432 static probefunc_t enable_mmanplus; 433 static probefunc_t enable_synaptics; 434 static probefunc_t enable_versapad; 435 436 static struct { 437 int model; 438 u_char syncmask; 439 int packetsize; 440 probefunc_t *probefunc; 441 } vendortype[] = { 442 /* 443 * WARNING: the order of probe is very important. Don't mess it 444 * unless you know what you are doing. 445 */ 446 { MOUSE_MODEL_NET, /* Genius NetMouse */ 447 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 448 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 449 0xc8, 6, enable_groller }, 450 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 451 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 452 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 453 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 454 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 455 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 456 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 457 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 458 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 459 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 460 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 461 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 462 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 463 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 464 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 465 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 466 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 467 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 468 { MOUSE_MODEL_GENERIC, 469 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 470 }; 471 #define GENERIC_MOUSE_ENTRY (NELEM(vendortype) - 1) 472 473 /* device driver declarateion */ 474 static device_method_t psm_methods[] = { 475 /* Device interface */ 476 DEVMETHOD(device_identify, psmidentify), 477 DEVMETHOD(device_probe, psmprobe), 478 DEVMETHOD(device_attach, psmattach), 479 DEVMETHOD(device_detach, psmdetach), 480 DEVMETHOD(device_resume, psmresume), 481 482 DEVMETHOD_END 483 }; 484 485 static driver_t psm_driver = { 486 PSM_DRIVER_NAME, 487 psm_methods, 488 sizeof(struct psm_softc), 489 }; 490 491 static struct dev_ops psm_ops = { 492 { PSM_DRIVER_NAME, 0, 0 }, 493 .d_open = psmopen, 494 .d_close = psmclose, 495 .d_read = psmread, 496 .d_write = psmwrite, 497 .d_ioctl = psmioctl, 498 .d_kqfilter = psmkqfilter 499 }; 500 501 /* device I/O routines */ 502 static int 503 enable_aux_dev(KBDC kbdc) 504 { 505 int res; 506 507 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 508 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 509 510 return (res == PSM_ACK); 511 } 512 513 static int 514 disable_aux_dev(KBDC kbdc) 515 { 516 int res; 517 518 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 519 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 520 521 return (res == PSM_ACK); 522 } 523 524 static int 525 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 526 { 527 int cmd; 528 int res; 529 int i; 530 531 switch (flag) { 532 case 0: 533 default: 534 cmd = PSMC_SEND_DEV_STATUS; 535 break; 536 case 1: 537 cmd = PSMC_SEND_DEV_DATA; 538 break; 539 } 540 empty_aux_buffer(kbdc, 5); 541 res = send_aux_command(kbdc, cmd); 542 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 543 (flag == 1) ? "DATA" : "STATUS", res)); 544 if (res != PSM_ACK) 545 return (0); 546 547 for (i = 0; i < len; ++i) { 548 status[i] = read_aux_data(kbdc); 549 if (status[i] < 0) 550 break; 551 } 552 553 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 554 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 555 556 return (i); 557 } 558 559 static int 560 get_aux_id(KBDC kbdc) 561 { 562 int res; 563 int id; 564 565 empty_aux_buffer(kbdc, 5); 566 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 567 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 568 if (res != PSM_ACK) 569 return (-1); 570 571 /* 10ms delay */ 572 DRIVERSLEEP(10000); 573 574 id = read_aux_data(kbdc); 575 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 576 577 return (id); 578 } 579 580 static int 581 set_mouse_sampling_rate(KBDC kbdc, int rate) 582 { 583 int res; 584 585 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 586 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 587 588 return ((res == PSM_ACK) ? rate : -1); 589 } 590 591 static int 592 set_mouse_scaling(KBDC kbdc, int scale) 593 { 594 int res; 595 596 switch (scale) { 597 case 1: 598 default: 599 scale = PSMC_SET_SCALING11; 600 break; 601 case 2: 602 scale = PSMC_SET_SCALING21; 603 break; 604 } 605 res = send_aux_command(kbdc, scale); 606 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 607 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 608 609 return (res == PSM_ACK); 610 } 611 612 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 613 static int 614 set_mouse_resolution(KBDC kbdc, int val) 615 { 616 int res; 617 618 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 619 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 620 621 return ((res == PSM_ACK) ? val : -1); 622 } 623 624 /* 625 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 626 * re-enabled by calling `enable_aux_dev()' 627 */ 628 static int 629 set_mouse_mode(KBDC kbdc) 630 { 631 int res; 632 633 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 634 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 635 636 return (res == PSM_ACK); 637 } 638 639 static int 640 get_mouse_buttons(KBDC kbdc) 641 { 642 int c = 2; /* assume two buttons by default */ 643 int status[3]; 644 645 /* 646 * NOTE: a special sequence to obtain Logitech Mouse specific 647 * information: set resolution to 25 ppi, set scaling to 1:1, set 648 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 649 * mouse status bytes is the number of available buttons. 650 * Some manufactures also support this sequence. 651 */ 652 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 653 return (c); 654 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 655 set_mouse_scaling(kbdc, 1) && 656 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 657 return (status[1]); 658 return (c); 659 } 660 661 /* misc subroutines */ 662 /* 663 * Someday, I will get the complete list of valid pointing devices and 664 * their IDs... XXX 665 */ 666 static int 667 is_a_mouse(int id) 668 { 669 #if 0 670 static int valid_ids[] = { 671 PSM_MOUSE_ID, /* mouse */ 672 PSM_BALLPOINT_ID, /* ballpoint device */ 673 PSM_INTELLI_ID, /* Intellimouse */ 674 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 675 -1 /* end of table */ 676 }; 677 int i; 678 679 for (i = 0; valid_ids[i] >= 0; ++i) 680 if (valid_ids[i] == id) 681 return (TRUE); 682 return (FALSE); 683 #else 684 return (TRUE); 685 #endif 686 } 687 688 static char * 689 model_name(int model) 690 { 691 static struct { 692 int model_code; 693 char *model_name; 694 } models[] = { 695 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 696 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 697 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 698 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 699 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 700 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 701 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 702 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 703 { MOUSE_MODEL_4D, "4D Mouse" }, 704 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 705 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 706 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 707 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 708 }; 709 int i; 710 711 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 712 if (models[i].model_code == model) 713 break; 714 return (models[i].model_name); 715 } 716 717 static void 718 recover_from_error(KBDC kbdc) 719 { 720 /* discard anything left in the output buffer */ 721 empty_both_buffers(kbdc, 10); 722 723 #if 0 724 /* 725 * NOTE: KBDC_RESET_KBD may not restore the communication between the 726 * keyboard and the controller. 727 */ 728 reset_kbd(kbdc); 729 #else 730 /* 731 * NOTE: somehow diagnostic and keyboard port test commands bring the 732 * keyboard back. 733 */ 734 if (!test_controller(kbdc)) 735 log(LOG_ERR, "psm: keyboard controller failed.\n"); 736 /* if there isn't a keyboard in the system, the following error is OK */ 737 if (test_kbd_port(kbdc) != 0) 738 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 739 #endif 740 } 741 742 static int 743 restore_controller(KBDC kbdc, int command_byte) 744 { 745 empty_both_buffers(kbdc, 10); 746 747 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 748 log(LOG_ERR, "psm: failed to restore the keyboard controller " 749 "command byte.\n"); 750 empty_both_buffers(kbdc, 10); 751 return (FALSE); 752 } else { 753 empty_both_buffers(kbdc, 10); 754 return (TRUE); 755 } 756 } 757 758 /* 759 * Re-initialize the aux port and device. The aux port must be enabled 760 * and its interrupt must be disabled before calling this routine. 761 * The aux device will be disabled before returning. 762 * The keyboard controller must be locked via `kbdc_lock()' before 763 * calling this routine. 764 */ 765 static int 766 doinitialize(struct psm_softc *sc, mousemode_t *mode) 767 { 768 KBDC kbdc = sc->kbdc; 769 int stat[3]; 770 int i; 771 772 switch((i = test_aux_port(kbdc))) { 773 case 1: /* ignore these errors */ 774 case 2: 775 case 3: 776 case PSM_ACK: 777 if (verbose) 778 log(LOG_DEBUG, 779 "psm%d: strange result for test aux port (%d).\n", 780 sc->unit, i); 781 /* FALLTHROUGH */ 782 case 0: /* no error */ 783 break; 784 case -1: /* time out */ 785 default: /* error */ 786 recover_from_error(kbdc); 787 if (sc->config & PSM_CONFIG_IGNPORTERROR) 788 break; 789 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 790 sc->unit, i); 791 return (FALSE); 792 } 793 794 if (sc->config & PSM_CONFIG_NORESET) { 795 /* 796 * Don't try to reset the pointing device. It may possibly 797 * be left in the unknown state, though... 798 */ 799 } else { 800 /* 801 * NOTE: some controllers appears to hang the `keyboard' when 802 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 803 */ 804 if (!reset_aux_dev(kbdc)) { 805 recover_from_error(kbdc); 806 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 807 sc->unit); 808 return (FALSE); 809 } 810 } 811 812 /* 813 * both the aux port and the aux device is functioning, see 814 * if the device can be enabled. 815 */ 816 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 817 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 818 sc->unit); 819 return (FALSE); 820 } 821 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 822 823 if (sc->config & PSM_CONFIG_NOIDPROBE) 824 i = GENERIC_MOUSE_ENTRY; 825 else { 826 /* FIXME: hardware ID, mouse buttons? */ 827 828 /* other parameters */ 829 for (i = 0; vendortype[i].probefunc != NULL; ++i) 830 if ((*vendortype[i].probefunc)(sc)) { 831 if (verbose >= 2) 832 log(LOG_ERR, "psm%d: found %s\n", 833 sc->unit, 834 model_name(vendortype[i].model)); 835 break; 836 } 837 } 838 839 sc->hw.model = vendortype[i].model; 840 sc->mode.packetsize = vendortype[i].packetsize; 841 842 /* set mouse parameters */ 843 if (mode != NULL) { 844 if (mode->rate > 0) 845 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 846 if (mode->resolution >= 0) 847 mode->resolution = 848 set_mouse_resolution(kbdc, mode->resolution); 849 set_mouse_scaling(kbdc, 1); 850 set_mouse_mode(kbdc); 851 } 852 853 /* Record sync on the next data packet we see. */ 854 sc->flags |= PSM_NEED_SYNCBITS; 855 856 /* just check the status of the mouse */ 857 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 858 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 859 sc->unit); 860 861 return (TRUE); 862 } 863 864 static int 865 doopen(struct psm_softc *sc, int command_byte) 866 { 867 int stat[3]; 868 869 /* 870 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 871 * no obvious reason. Thus we check the current mode and restore the 872 * Absolute Mode if it was cleared. 873 * 874 * The previous hack at the end of psmprobe() wasn't efficient when 875 * moused(8) was restarted. 876 * 877 * A Reset (FF) or Set Defaults (F6) command would clear the 878 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 879 * doesn't show any evidence of such a command. 880 */ 881 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 882 mouse_ext_command(sc->kbdc, 1); 883 get_mouse_status(sc->kbdc, stat, 0, 3); 884 if (stat[1] == 0x47 && stat[2] == 0x40) { 885 /* Set the mode byte -- request wmode where 886 * available */ 887 if (sc->synhw.capExtended) 888 mouse_ext_command(sc->kbdc, 0xc1); 889 else 890 mouse_ext_command(sc->kbdc, 0xc0); 891 set_mouse_sampling_rate(sc->kbdc, 20); 892 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 893 "hopefully restored\n", 894 sc->unit)); 895 } 896 } 897 898 /* 899 * A user may want to disable tap and drag gestures on a Synaptics 900 * TouchPad when it operates in Relative Mode. 901 */ 902 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 903 if (tap_enabled > 0) { 904 /* 905 * Enable tap & drag gestures. We use a Mode Byte 906 * and clear the DisGest bit (see §2.5 of Synaptics 907 * TouchPad Interfacing Guide). 908 */ 909 VLOG(2, (LOG_DEBUG, 910 "psm%d: enable tap and drag gestures\n", 911 sc->unit)); 912 mouse_ext_command(sc->kbdc, 0x00); 913 set_mouse_sampling_rate(sc->kbdc, 20); 914 } else if (tap_enabled == 0) { 915 /* 916 * Disable tap & drag gestures. We use a Mode Byte 917 * and set the DisGest bit (see §2.5 of Synaptics 918 * TouchPad Interfacing Guide). 919 */ 920 VLOG(2, (LOG_DEBUG, 921 "psm%d: disable tap and drag gestures\n", 922 sc->unit)); 923 mouse_ext_command(sc->kbdc, 0x04); 924 set_mouse_sampling_rate(sc->kbdc, 20); 925 } 926 } 927 928 /* enable the mouse device */ 929 if (!enable_aux_dev(sc->kbdc)) { 930 /* MOUSE ERROR: failed to enable the mouse because: 931 * 1) the mouse is faulty, 932 * 2) the mouse has been removed(!?) 933 * In the latter case, the keyboard may have hung, and need 934 * recovery procedure... 935 */ 936 recover_from_error(sc->kbdc); 937 #if 0 938 /* FIXME: we could reset the mouse here and try to enable 939 * it again. But it will take long time and it's not a good 940 * idea to disable the keyboard that long... 941 */ 942 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 943 recover_from_error(sc->kbdc); 944 #else 945 { 946 #endif 947 restore_controller(sc->kbdc, command_byte); 948 /* mark this device is no longer available */ 949 sc->state &= ~PSM_VALID; 950 log(LOG_ERR, 951 "psm%d: failed to enable the device (doopen).\n", 952 sc->unit); 953 return (EIO); 954 } 955 } 956 957 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 958 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 959 sc->unit); 960 961 /* enable the aux port and interrupt */ 962 if (!set_controller_command_byte(sc->kbdc, 963 KBD_AUX_CONTROL_BITS, 964 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 965 /* CONTROLLER ERROR */ 966 disable_aux_dev(sc->kbdc); 967 restore_controller(sc->kbdc, command_byte); 968 log(LOG_ERR, 969 "psm%d: failed to enable the aux interrupt (doopen).\n", 970 sc->unit); 971 return (EIO); 972 } 973 974 /* start the watchdog timer */ 975 sc->watchdog = FALSE; 976 callout_reset(&sc->callout, hz * 2, psmtimeout, (void *)(uintptr_t)sc); 977 978 return (0); 979 } 980 981 static int 982 reinitialize(struct psm_softc *sc, int doinit) 983 { 984 int err; 985 int c; 986 987 /* don't let anybody mess with the aux device */ 988 if (!kbdc_lock(sc->kbdc, TRUE)) 989 return (EIO); 990 991 crit_enter(); 992 993 /* block our watchdog timer */ 994 sc->watchdog = FALSE; 995 callout_stop(&sc->callout); 996 997 /* save the current controller command byte */ 998 empty_both_buffers(sc->kbdc, 10); 999 c = get_controller_command_byte(sc->kbdc); 1000 VLOG(2, (LOG_DEBUG, 1001 "psm%d: current command byte: %04x (reinitialize).\n", 1002 sc->unit, c)); 1003 1004 /* enable the aux port but disable the aux interrupt and the keyboard */ 1005 if ((c == -1) || 1006 !set_controller_command_byte(sc->kbdc, 1007 KBD_AUX_CONTROL_BITS, 1008 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1009 /* CONTROLLER ERROR */ 1010 crit_exit(); 1011 kbdc_lock(sc->kbdc, FALSE); 1012 log(LOG_ERR, 1013 "psm%d: unable to set the command byte (reinitialize).\n", 1014 sc->unit); 1015 return (EIO); 1016 } 1017 1018 /* flush any data */ 1019 if (sc->state & PSM_VALID) { 1020 /* this may fail; but never mind... */ 1021 disable_aux_dev(sc->kbdc); 1022 empty_aux_buffer(sc->kbdc, 10); 1023 } 1024 flushpackets(sc); 1025 sc->syncerrors = 0; 1026 sc->pkterrors = 0; 1027 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1028 1029 /* try to detect the aux device; are you still there? */ 1030 err = 0; 1031 if (doinit) { 1032 if (doinitialize(sc, &sc->mode)) { 1033 /* yes */ 1034 sc->state |= PSM_VALID; 1035 } else { 1036 /* the device has gone! */ 1037 restore_controller(sc->kbdc, c); 1038 sc->state &= ~PSM_VALID; 1039 log(LOG_ERR, 1040 "psm%d: the aux device has gone! (reinitialize).\n", 1041 sc->unit); 1042 err = ENXIO; 1043 } 1044 } 1045 crit_exit(); 1046 1047 /* restore the driver state */ 1048 if ((sc->state & PSM_OPEN) && (err == 0)) { 1049 /* enable the aux device and the port again */ 1050 err = doopen(sc, c); 1051 if (err != 0) 1052 log(LOG_ERR, "psm%d: failed to enable the device " 1053 "(reinitialize).\n", sc->unit); 1054 } else { 1055 /* restore the keyboard port and disable the aux port */ 1056 if (!set_controller_command_byte(sc->kbdc, 1057 KBD_AUX_CONTROL_BITS, 1058 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1059 /* CONTROLLER ERROR */ 1060 log(LOG_ERR, "psm%d: failed to disable the aux port " 1061 "(reinitialize).\n", sc->unit); 1062 err = EIO; 1063 } 1064 } 1065 1066 kbdc_lock(sc->kbdc, FALSE); 1067 return (err); 1068 } 1069 1070 /* psm driver entry points */ 1071 1072 static void 1073 psmidentify(driver_t *driver, device_t parent) 1074 { 1075 device_t psmc; 1076 device_t psm; 1077 u_long irq; 1078 int unit; 1079 1080 unit = device_get_unit(parent); 1081 1082 /* always add at least one child */ 1083 psm = BUS_ADD_CHILD(parent, parent, KBDC_RID_AUX, driver->name, unit); 1084 if (psm == NULL) 1085 return; 1086 1087 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1088 if (irq > 0) 1089 return; 1090 1091 /* 1092 * If the PS/2 mouse device has already been reported by ACPI or 1093 * PnP BIOS, obtain the IRQ resource from it. 1094 * (See psmcpnp_attach() below.) 1095 */ 1096 psmc = device_find_child(device_get_parent(parent), 1097 PSMCPNP_DRIVER_NAME, unit); 1098 if (psmc == NULL) 1099 return; 1100 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1101 if (irq <= 0) 1102 return; 1103 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1, 1104 machintr_legacy_intr_cpuid(irq)); 1105 } 1106 1107 #define endprobe(v) do { \ 1108 if (bootverbose) \ 1109 --verbose; \ 1110 set_controller_command_byte(sc->kbdc, \ 1111 KBD_AUX_CONTROL_BITS, KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT); \ 1112 kbdc_lock(sc->kbdc, FALSE); \ 1113 return (v); \ 1114 } while (0) 1115 1116 static int 1117 psmprobe(device_t dev) 1118 { 1119 int unit = device_get_unit(dev); 1120 struct psm_softc *sc = device_get_softc(dev); 1121 uintptr_t irq; 1122 uintptr_t flags; 1123 int stat[3]; 1124 int command_byte; 1125 int i; 1126 1127 #if 0 1128 kbdc_debug(TRUE); 1129 #endif 1130 1131 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 1132 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 1133 1134 sc->unit = unit; 1135 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1136 sc->config = flags & 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_HOOKRESUME | 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 kprintf("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 command_byte = get_controller_command_byte(sc->kbdc); 1170 if (verbose) 1171 kprintf("psm%d: current command byte:%04x\n", unit, 1172 command_byte); 1173 if (command_byte == -1) { 1174 /* CONTROLLER ERROR */ 1175 kprintf("psm%d: unable to get the current " 1176 "command byte value.\n", 1177 unit); 1178 endprobe(ENXIO); 1179 } 1180 1181 /* 1182 * NOTE: We cannot mess with the keyboard port, do NOT disable it 1183 * while we are probing the aux port during this routine. 1184 * Disabling the keyboard port will break some things 1185 * (Acer c720)... probably related to BIOS emulation of the 1186 * i8042. 1187 */ 1188 if (!set_controller_command_byte(sc->kbdc, 1189 KBD_AUX_CONTROL_BITS, KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1190 /* 1191 * this is CONTROLLER ERROR; I don't know how to recover 1192 * from this error... 1193 */ 1194 kprintf("psm%d: unable to set the command byte.\n", unit); 1195 endprobe(ENXIO); 1196 } 1197 1198 /* 1199 * NOTE: Linux doesn't send discrete aux port enablement commands, 1200 * it is unclear whether this is needed or helps or hinders 1201 * bios emulators. 1202 */ 1203 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1204 1205 /* 1206 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1207 * port exists and is functioning. However, some controllers appears 1208 * to respond with zero even when the aux port doesn't exist. (It may 1209 * be that this is only the case when the controller DOES have the aux 1210 * port but the port is not wired on the motherboard.) The keyboard 1211 * controllers without the port, such as the original AT, are 1212 * supporsed to return with an error code or simply time out. In any 1213 * case, we have to continue probing the port even when the controller 1214 * passes this test. 1215 * 1216 * XXX: some controllers erroneously return the error code 1, 2 or 3 1217 * when it has the perfectly functional aux port. We have to ignore 1218 * this error code. Even if the controller HAS error with the aux 1219 * port, it will be detected later... 1220 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1221 */ 1222 switch ((i = test_aux_port(sc->kbdc))) { 1223 case 1: /* ignore these errors */ 1224 case 2: 1225 case 3: 1226 case PSM_ACK: 1227 if (verbose) 1228 kprintf("psm%d: strange result for test aux port " 1229 "(%d).\n", unit, i); 1230 /* FALLTHROUGH */ 1231 case 0: /* no error */ 1232 break; 1233 case -1: /* time out */ 1234 default: /* error */ 1235 recover_from_error(sc->kbdc); 1236 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1237 break; 1238 if (verbose) 1239 kprintf("psm%d: the aux port is not " 1240 "functioning (%d).\n", 1241 unit, i); 1242 endprobe(ENXIO); 1243 } 1244 1245 if (sc->config & PSM_CONFIG_NORESET) { 1246 /* 1247 * Don't try to reset the pointing device. It may possibly be 1248 * left in the unknown state, though... 1249 */ 1250 } else { 1251 /* 1252 * NOTE: some controllers appears to hang the `keyboard' when 1253 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1254 * 1255 * Attempt to reset the controller twice -- this helps 1256 * pierce through some KVM switches. The second reset 1257 * is non-fatal. 1258 */ 1259 if (!reset_aux_dev(sc->kbdc)) { 1260 recover_from_error(sc->kbdc); 1261 if (verbose) 1262 kprintf("psm%d: failed to reset the aux " 1263 "device.\n", unit); 1264 endprobe(ENXIO); 1265 } else if (!reset_aux_dev(sc->kbdc)) { 1266 recover_from_error(sc->kbdc); 1267 if (verbose >= 2) 1268 kprintf("psm%d: failed to reset the aux device " 1269 "(2).\n", unit); 1270 } 1271 } 1272 1273 /* 1274 * both the aux port and the aux device is functioning, see if the 1275 * device can be enabled. NOTE: when enabled, the device will start 1276 * sending data; we shall immediately disable the device once we know 1277 * the device can be enabled. 1278 */ 1279 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1280 /* MOUSE ERROR */ 1281 recover_from_error(sc->kbdc); 1282 if (verbose) 1283 kprintf("psm%d: failed to enable the aux device.\n", 1284 unit); 1285 endprobe(ENXIO); 1286 } 1287 1288 /* save the default values after reset */ 1289 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1290 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1291 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1292 } else { 1293 sc->dflt_mode.rate = sc->mode.rate = -1; 1294 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1295 } 1296 1297 /* hardware information */ 1298 sc->hw.iftype = MOUSE_IF_PS2; 1299 1300 /* verify the device is a mouse */ 1301 sc->hw.hwid = get_aux_id(sc->kbdc); 1302 if (!is_a_mouse(sc->hw.hwid)) { 1303 if (verbose) 1304 kprintf("psm%d: unknown device type (%d).\n", unit, 1305 sc->hw.hwid); 1306 endprobe(ENXIO); 1307 } 1308 switch (sc->hw.hwid) { 1309 case PSM_BALLPOINT_ID: 1310 sc->hw.type = MOUSE_TRACKBALL; 1311 break; 1312 case PSM_MOUSE_ID: 1313 case PSM_INTELLI_ID: 1314 case PSM_EXPLORER_ID: 1315 case PSM_4DMOUSE_ID: 1316 case PSM_4DPLUS_ID: 1317 sc->hw.type = MOUSE_MOUSE; 1318 break; 1319 default: 1320 sc->hw.type = MOUSE_UNKNOWN; 1321 break; 1322 } 1323 1324 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1325 sc->hw.buttons = 2; 1326 i = GENERIC_MOUSE_ENTRY; 1327 } else { 1328 /* # of buttons */ 1329 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1330 1331 /* other parameters */ 1332 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1333 if ((*vendortype[i].probefunc)(sc)) { 1334 if (verbose >= 2) 1335 kprintf("psm%d: found %s\n", unit, 1336 model_name(vendortype[i].model)); 1337 break; 1338 } 1339 } 1340 1341 sc->hw.model = vendortype[i].model; 1342 1343 sc->dflt_mode.level = PSM_LEVEL_BASE; 1344 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1345 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1346 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1347 sc->dflt_mode.syncmask[0] = 0; 1348 else 1349 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1350 if (sc->config & PSM_CONFIG_FORCETAP) 1351 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1352 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1353 sc->mode = sc->dflt_mode; 1354 sc->mode.packetsize = vendortype[i].packetsize; 1355 1356 /* set mouse parameters */ 1357 #if 0 1358 /* 1359 * A version of Logitech FirstMouse+ won't report wheel movement, 1360 * if SET_DEFAULTS is sent... Don't use this command. 1361 * This fix was found by Takashi Nishida. 1362 */ 1363 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1364 if (verbose >= 2) 1365 kprintf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1366 #endif 1367 if (sc->config & PSM_CONFIG_RESOLUTION) 1368 sc->mode.resolution = 1369 set_mouse_resolution(sc->kbdc, 1370 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1371 else if (sc->mode.resolution >= 0) 1372 sc->mode.resolution = 1373 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1374 if (sc->mode.rate > 0) 1375 sc->mode.rate = 1376 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1377 set_mouse_scaling(sc->kbdc, 1); 1378 1379 /* Record sync on the next data packet we see. */ 1380 sc->flags |= PSM_NEED_SYNCBITS; 1381 1382 /* just check the status of the mouse */ 1383 /* 1384 * NOTE: XXX there are some arcane controller/mouse combinations out 1385 * there, which hung the controller unless there is data transmission 1386 * after ACK from the mouse. 1387 */ 1388 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1389 kprintf("psm%d: failed to get status.\n", unit); 1390 else { 1391 /* 1392 * When in its native mode, some mice operate with different 1393 * default parameters than in the PS/2 compatible mode. 1394 */ 1395 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1396 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1397 } 1398 1399 /* disable the aux port for now... */ 1400 if (!set_controller_command_byte(sc->kbdc, 1401 KBD_AUX_CONTROL_BITS, KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1402 /* 1403 * this is CONTROLLER ERROR; I don't know the proper way to 1404 * recover from this error... 1405 */ 1406 kprintf("psm%d: unable to set the command byte.\n", unit); 1407 endprobe(ENXIO); 1408 } 1409 1410 /* done */ 1411 kbdc_lock(sc->kbdc, FALSE); 1412 return (0); 1413 } 1414 1415 static int 1416 psmattach(device_t dev) 1417 { 1418 int unit = device_get_unit(dev); 1419 struct psm_softc *sc = device_get_softc(dev); 1420 int error; 1421 intptr_t irq; 1422 int rid; 1423 1424 /* Setup initial state */ 1425 sc->state = PSM_VALID; 1426 callout_init(&sc->callout); 1427 callout_init(&sc->softcallout); 1428 1429 /* Setup our interrupt handler */ 1430 rid = KBDC_RID_AUX; 1431 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 1432 sc->intr = bus_alloc_legacy_irq_resource(dev, &rid, irq, RF_ACTIVE); 1433 1434 if (sc->intr == NULL) 1435 return (ENXIO); 1436 error = BUS_SETUP_INTR(device_get_parent(dev), dev, sc->intr, 1437 INTR_NOPOLL, psmintr, sc, &sc->ih, NULL, NULL); 1438 if (error) { 1439 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1440 return (error); 1441 } 1442 1443 /* Done */ 1444 make_dev(&psm_ops, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, "psm%d", unit); 1445 make_dev(&psm_ops, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, "bpsm%d", unit); 1446 1447 if (!verbose) 1448 kprintf("psm%d: model %s, device ID %d\n", 1449 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1450 else { 1451 kprintf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1452 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1453 sc->hw.hwid >> 8, sc->hw.buttons); 1454 kprintf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1455 unit, sc->config, sc->flags, sc->mode.packetsize); 1456 kprintf("psm%d: syncmask:%02x, syncbits:%02x\n", 1457 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1458 } 1459 1460 if (bootverbose) 1461 --verbose; 1462 1463 return (0); 1464 } 1465 1466 static int 1467 psmdetach(device_t dev) 1468 { 1469 struct psm_softc *sc; 1470 int rid; 1471 1472 sc = device_get_softc(dev); 1473 if (sc->state & PSM_OPEN) 1474 return (EBUSY); 1475 1476 rid = KBDC_RID_AUX; 1477 bus_teardown_intr(dev, sc->intr, sc->ih); 1478 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1479 1480 destroy_dev(sc->dev); 1481 destroy_dev(sc->bdev); 1482 1483 return (0); 1484 } 1485 1486 static int 1487 psmopen(struct dev_open_args *ap) 1488 { 1489 cdev_t dev = ap->a_head.a_dev; 1490 int unit = PSM_UNIT(dev); 1491 struct psm_softc *sc; 1492 int command_byte; 1493 int err; 1494 1495 /* Get device data */ 1496 sc = PSM_SOFTC(unit); 1497 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1498 /* the device is no longer valid/functioning */ 1499 return (ENXIO); 1500 } 1501 1502 /* Disallow multiple opens */ 1503 if (sc->state & PSM_OPEN) 1504 return (EBUSY); 1505 1506 #if 0 1507 device_busy(devclass_get_device(psm_devclass, sc->unit)); 1508 #endif 1509 1510 /* Initialize state */ 1511 sc->mode.level = sc->dflt_mode.level; 1512 sc->mode.protocol = sc->dflt_mode.protocol; 1513 sc->watchdog = FALSE; 1514 sc->async = NULL; 1515 1516 /* flush the event queue */ 1517 sc->queue.count = 0; 1518 sc->queue.head = 0; 1519 sc->queue.tail = 0; 1520 sc->status.flags = 0; 1521 sc->status.button = 0; 1522 sc->status.obutton = 0; 1523 sc->status.dx = 0; 1524 sc->status.dy = 0; 1525 sc->status.dz = 0; 1526 sc->button = 0; 1527 sc->pqueue_start = 0; 1528 sc->pqueue_end = 0; 1529 1530 /* empty input buffer */ 1531 flushpackets(sc); 1532 sc->syncerrors = 0; 1533 sc->pkterrors = 0; 1534 1535 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1536 if (!kbdc_lock(sc->kbdc, TRUE)) 1537 return (EIO); 1538 1539 /* save the current controller command byte */ 1540 crit_enter(); 1541 command_byte = get_controller_command_byte(sc->kbdc); 1542 1543 /* enable the aux port and temporalily disable the keyboard */ 1544 if (command_byte == -1 || 1545 !set_controller_command_byte(sc->kbdc, 1546 KBD_AUX_CONTROL_BITS, 1547 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1548 /* CONTROLLER ERROR; do you know how to get out of this? */ 1549 kbdc_lock(sc->kbdc, FALSE); 1550 crit_exit(); 1551 log(LOG_ERR, 1552 "psm%d: unable to set the command byte (psmopen).\n", 1553 sc->unit); 1554 return (EIO); 1555 } 1556 /* 1557 * Now that the keyboard controller is told not to generate 1558 * the keyboard and mouse interrupts, call `splx()' to allow 1559 * the other tty interrupts. The clock interrupt may also occur, 1560 * but timeout routines will be blocked by the poll flag set 1561 * via `kbdc_lock()' 1562 */ 1563 crit_exit(); 1564 1565 /* enable the mouse device */ 1566 err = doopen(sc, command_byte); 1567 1568 /* done */ 1569 if (err == 0) 1570 sc->state |= PSM_OPEN; 1571 kbdc_lock(sc->kbdc, FALSE); 1572 return (err); 1573 } 1574 1575 static int 1576 psmclose(struct dev_close_args *ap) 1577 { 1578 cdev_t dev = ap->a_head.a_dev; 1579 int unit = PSM_UNIT(dev); 1580 struct psm_softc *sc = PSM_SOFTC(unit); 1581 int stat[3]; 1582 int command_byte; 1583 1584 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1585 if (!kbdc_lock(sc->kbdc, TRUE)) 1586 return (EIO); 1587 1588 /* save the current controller command byte */ 1589 crit_enter(); 1590 command_byte = get_controller_command_byte(sc->kbdc); 1591 if (command_byte == -1) { 1592 kbdc_lock(sc->kbdc, FALSE); 1593 crit_exit(); 1594 return (EIO); 1595 } 1596 1597 /* disable the aux interrupt and temporalily disable the keyboard */ 1598 if (!set_controller_command_byte(sc->kbdc, 1599 KBD_AUX_CONTROL_BITS, 1600 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1601 log(LOG_ERR, 1602 "psm%d: failed to disable the aux int (psmclose).\n", 1603 sc->unit); 1604 /* CONTROLLER ERROR; 1605 * NOTE: we shall force our way through. Because the only 1606 * ill effect we shall see is that we may not be able 1607 * to read ACK from the mouse, and it doesn't matter much 1608 * so long as the mouse will accept the DISABLE command. 1609 */ 1610 } 1611 crit_exit(); 1612 1613 /* stop the watchdog timer */ 1614 callout_stop(&sc->callout); 1615 1616 /* remove anything left in the output buffer */ 1617 empty_aux_buffer(sc->kbdc, 10); 1618 1619 /* disable the aux device, port and interrupt */ 1620 if (sc->state & PSM_VALID) { 1621 if (!disable_aux_dev(sc->kbdc)) { 1622 /* MOUSE ERROR; 1623 * NOTE: we don't return (error) and continue, 1624 * pretending we have successfully disabled the device. 1625 * It's OK because the interrupt routine will discard 1626 * any data from the mouse hereafter. 1627 */ 1628 log(LOG_ERR, 1629 "psm%d: failed to disable the device (psmclose).\n", 1630 sc->unit); 1631 } 1632 1633 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1634 log(LOG_DEBUG, 1635 "psm%d: failed to get status (psmclose).\n", 1636 sc->unit); 1637 } 1638 1639 if (!set_controller_command_byte(sc->kbdc, 1640 KBD_AUX_CONTROL_BITS, KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1641 /* 1642 * CONTROLLER ERROR; 1643 * we shall ignore this error; see the above comment. 1644 */ 1645 log(LOG_ERR, 1646 "psm%d: failed to disable the aux port (psmclose).\n", 1647 sc->unit); 1648 } 1649 1650 /* remove anything left in the output buffer */ 1651 empty_aux_buffer(sc->kbdc, 10); 1652 1653 /* close is almost always successful */ 1654 sc->state &= ~PSM_OPEN; 1655 kbdc_lock(sc->kbdc, FALSE); 1656 #if 0 1657 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 1658 #endif 1659 return (0); 1660 } 1661 1662 static int 1663 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1664 u_char *buf) 1665 { 1666 static u_char butmapps2[8] = { 1667 0, 1668 MOUSE_PS2_BUTTON1DOWN, 1669 MOUSE_PS2_BUTTON2DOWN, 1670 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1671 MOUSE_PS2_BUTTON3DOWN, 1672 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1673 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1674 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1675 MOUSE_PS2_BUTTON3DOWN, 1676 }; 1677 static u_char butmapmsc[8] = { 1678 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1679 MOUSE_MSC_BUTTON3UP, 1680 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1681 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1682 MOUSE_MSC_BUTTON3UP, 1683 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1684 MOUSE_MSC_BUTTON2UP, 1685 MOUSE_MSC_BUTTON1UP, 1686 0, 1687 }; 1688 int mapped; 1689 int i; 1690 1691 if (sc->mode.level == PSM_LEVEL_BASE) { 1692 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1693 if (status->button & MOUSE_BUTTON4DOWN) 1694 mapped |= MOUSE_BUTTON1DOWN; 1695 status->button = mapped; 1696 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1697 i = imax(imin(status->dx, 255), -256); 1698 if (i < 0) 1699 buf[0] |= MOUSE_PS2_XNEG; 1700 buf[1] = i; 1701 i = imax(imin(status->dy, 255), -256); 1702 if (i < 0) 1703 buf[0] |= MOUSE_PS2_YNEG; 1704 buf[2] = i; 1705 return (MOUSE_PS2_PACKETSIZE); 1706 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1707 buf[0] = MOUSE_MSC_SYNC | 1708 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1709 i = imax(imin(status->dx, 255), -256); 1710 buf[1] = i >> 1; 1711 buf[3] = i - buf[1]; 1712 i = imax(imin(status->dy, 255), -256); 1713 buf[2] = i >> 1; 1714 buf[4] = i - buf[2]; 1715 i = imax(imin(status->dz, 127), -128); 1716 buf[5] = (i >> 1) & 0x7f; 1717 buf[6] = (i - (i >> 1)) & 0x7f; 1718 buf[7] = (~status->button >> 3) & 0x7f; 1719 return (MOUSE_SYS_PACKETSIZE); 1720 } 1721 return (pb->inputbytes); 1722 } 1723 1724 static int 1725 psmread(struct dev_read_args *ap) 1726 { 1727 cdev_t dev = ap->a_head.a_dev; 1728 struct uio *uio = ap->a_uio; 1729 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1730 u_char buf[PSM_SMALLBUFSIZE]; 1731 int error = 0; 1732 int l; 1733 1734 if ((sc->state & PSM_VALID) == 0) 1735 return (EIO); 1736 1737 /* block until mouse activity occured */ 1738 crit_enter(); 1739 while (sc->queue.count <= 0) { 1740 if (dev != sc->bdev) { 1741 crit_exit(); 1742 return (EWOULDBLOCK); 1743 } 1744 sc->state |= PSM_ASLP; 1745 error = tsleep((caddr_t) sc, PCATCH, "psmrea", 0); 1746 sc->state &= ~PSM_ASLP; 1747 if (error) { 1748 crit_exit(); 1749 return (error); 1750 } else if ((sc->state & PSM_VALID) == 0) { 1751 /* the device disappeared! */ 1752 crit_exit(); 1753 return (EIO); 1754 } 1755 } 1756 crit_exit(); 1757 1758 /* copy data to the user land */ 1759 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1760 crit_enter(); 1761 l = imin(sc->queue.count, uio->uio_resid); 1762 if (l > sizeof(buf)) 1763 l = sizeof(buf); 1764 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1765 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1766 sizeof(sc->queue.buf) - sc->queue.head); 1767 bcopy(&sc->queue.buf[0], 1768 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1769 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1770 } else 1771 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1772 sc->queue.count -= l; 1773 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1774 crit_exit(); 1775 error = uiomove(buf, (size_t)l, uio); 1776 if (error) 1777 break; 1778 } 1779 1780 return (error); 1781 } 1782 1783 static int 1784 block_mouse_data(struct psm_softc *sc, int *c) 1785 { 1786 1787 if (!kbdc_lock(sc->kbdc, TRUE)) 1788 return (EIO); 1789 1790 crit_enter(); 1791 *c = get_controller_command_byte(sc->kbdc); 1792 if ((*c == -1) || 1793 !set_controller_command_byte(sc->kbdc, 1794 KBD_AUX_CONTROL_BITS, 1795 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1796 /* this is CONTROLLER ERROR */ 1797 crit_exit(); 1798 kbdc_lock(sc->kbdc, FALSE); 1799 return (EIO); 1800 } 1801 1802 /* 1803 * The device may be in the middle of status data transmission. 1804 * The transmission will be interrupted, thus, incomplete status 1805 * data must be discarded. Although the aux interrupt is disabled 1806 * at the keyboard controller level, at most one aux interrupt 1807 * may have already been pending and a data byte is in the 1808 * output buffer; throw it away. Note that the second argument 1809 * to `empty_aux_buffer()' is zero, so that the call will just 1810 * flush the internal queue. 1811 * `psmintr()' will be invoked after `splx()' if an interrupt is 1812 * pending; it will see no data and returns immediately. 1813 */ 1814 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1815 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1816 flushpackets(sc); 1817 crit_exit(); 1818 1819 return (0); 1820 } 1821 1822 static void 1823 dropqueue(struct psm_softc *sc) 1824 { 1825 1826 sc->queue.count = 0; 1827 sc->queue.head = 0; 1828 sc->queue.tail = 0; 1829 if ((sc->state & PSM_SOFTARMED) != 0) { 1830 sc->state &= ~PSM_SOFTARMED; 1831 callout_stop(&sc->softcallout); 1832 } 1833 sc->pqueue_start = sc->pqueue_end; 1834 } 1835 1836 static void 1837 flushpackets(struct psm_softc *sc) 1838 { 1839 1840 dropqueue(sc); 1841 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1842 } 1843 1844 static int 1845 unblock_mouse_data(struct psm_softc *sc, int c) 1846 { 1847 int error = 0; 1848 1849 /* 1850 * We may have seen a part of status data during `set_mouse_XXX()'. 1851 * they have been queued; flush it. 1852 */ 1853 empty_aux_buffer(sc->kbdc, 0); 1854 1855 /* restore ports and interrupt */ 1856 if (!set_controller_command_byte(sc->kbdc, 1857 KBD_AUX_CONTROL_BITS, c & (KBD_AUX_CONTROL_BITS))) { 1858 /* 1859 * CONTROLLER ERROR; this is serious, we may have 1860 * been left with the inaccessible keyboard and 1861 * the disabled mouse interrupt. 1862 */ 1863 error = EIO; 1864 } 1865 1866 kbdc_lock(sc->kbdc, FALSE); 1867 return (error); 1868 } 1869 1870 static int 1871 psmwrite(struct dev_write_args *ap) 1872 { 1873 cdev_t dev = ap->a_head.a_dev; 1874 struct uio *uio = ap->a_uio; 1875 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1876 u_char buf[PSM_SMALLBUFSIZE]; 1877 int error = 0, i, l; 1878 1879 if ((sc->state & PSM_VALID) == 0) 1880 return (EIO); 1881 1882 if (sc->mode.level < PSM_LEVEL_NATIVE) 1883 return (ENODEV); 1884 1885 /* copy data from the user land */ 1886 while (uio->uio_resid > 0) { 1887 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1888 error = uiomove(buf, l, uio); 1889 if (error) 1890 break; 1891 for (i = 0; i < l; i++) { 1892 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1893 if (!write_aux_command(sc->kbdc, buf[i])) { 1894 VLOG(2, (LOG_DEBUG, 1895 "psm: cmd 0x%x failed.\n", buf[i])); 1896 return (reinitialize(sc, FALSE)); 1897 } 1898 } 1899 } 1900 1901 return (error); 1902 } 1903 1904 static int 1905 psmioctl(struct dev_ioctl_args *ap) 1906 { 1907 cdev_t dev = ap->a_head.a_dev; 1908 caddr_t addr= ap->a_data; 1909 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1910 mousemode_t mode; 1911 mousestatus_t status; 1912 #if (defined(MOUSE_GETVARS)) 1913 mousevar_t *var; 1914 #endif 1915 mousedata_t *data; 1916 int stat[3]; 1917 int command_byte; 1918 int error = 0; 1919 1920 mode.resolution = -1; 1921 1922 /* Perform IOCTL command */ 1923 switch (ap->a_cmd) { 1924 1925 case OLD_MOUSE_GETHWINFO: 1926 crit_enter(); 1927 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1928 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1929 ((old_mousehw_t *)addr)->type = sc->hw.type; 1930 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1931 crit_exit(); 1932 break; 1933 1934 case MOUSE_GETHWINFO: 1935 crit_enter(); 1936 *(mousehw_t *)addr = sc->hw; 1937 if (sc->mode.level == PSM_LEVEL_BASE) 1938 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1939 crit_exit(); 1940 break; 1941 1942 case MOUSE_SYN_GETHWINFO: 1943 crit_enter(); 1944 if (synaptics_support && sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1945 *(synapticshw_t *)addr = sc->synhw; 1946 else 1947 error = EINVAL; 1948 crit_exit(); 1949 break; 1950 1951 case OLD_MOUSE_GETMODE: 1952 crit_enter(); 1953 switch (sc->mode.level) { 1954 case PSM_LEVEL_BASE: 1955 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1956 break; 1957 case PSM_LEVEL_STANDARD: 1958 ((old_mousemode_t *)addr)->protocol = 1959 MOUSE_PROTO_SYSMOUSE; 1960 break; 1961 case PSM_LEVEL_NATIVE: 1962 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1963 break; 1964 } 1965 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1966 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1967 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1968 crit_exit(); 1969 break; 1970 1971 case MOUSE_GETMODE: 1972 crit_enter(); 1973 *(mousemode_t *)addr = sc->mode; 1974 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 1975 ((mousemode_t *)addr)->syncmask[0] = 0; 1976 ((mousemode_t *)addr)->syncmask[1] = 0; 1977 } 1978 ((mousemode_t *)addr)->resolution = 1979 MOUSE_RES_LOW - sc->mode.resolution; 1980 switch (sc->mode.level) { 1981 case PSM_LEVEL_BASE: 1982 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1983 ((mousemode_t *)addr)->packetsize = 1984 MOUSE_PS2_PACKETSIZE; 1985 break; 1986 case PSM_LEVEL_STANDARD: 1987 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1988 ((mousemode_t *)addr)->packetsize = 1989 MOUSE_SYS_PACKETSIZE; 1990 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1991 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1992 break; 1993 case PSM_LEVEL_NATIVE: 1994 /* FIXME: this isn't quite correct... XXX */ 1995 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1996 break; 1997 } 1998 crit_exit(); 1999 break; 2000 2001 case OLD_MOUSE_SETMODE: 2002 case MOUSE_SETMODE: 2003 if (ap->a_cmd == OLD_MOUSE_SETMODE) { 2004 mode.rate = ((old_mousemode_t *)addr)->rate; 2005 /* 2006 * resolution old I/F new I/F 2007 * default 0 0 2008 * low 1 -2 2009 * medium low 2 -3 2010 * medium high 3 -4 2011 * high 4 -5 2012 */ 2013 if (((old_mousemode_t *)addr)->resolution > 0) 2014 mode.resolution = 2015 -((old_mousemode_t *)addr)->resolution - 1; 2016 else 2017 mode.resolution = 0; 2018 mode.accelfactor = 2019 ((old_mousemode_t *)addr)->accelfactor; 2020 mode.level = -1; 2021 } else 2022 mode = *(mousemode_t *)addr; 2023 2024 /* adjust and validate parameters. */ 2025 if (mode.rate > UCHAR_MAX) 2026 return (EINVAL); 2027 if (mode.rate == 0) 2028 mode.rate = sc->dflt_mode.rate; 2029 else if (mode.rate == -1) 2030 /* don't change the current setting */ 2031 ; 2032 else if (mode.rate < 0) 2033 return (EINVAL); 2034 if (mode.resolution >= UCHAR_MAX) 2035 return (EINVAL); 2036 if (mode.resolution >= 200) 2037 mode.resolution = MOUSE_RES_HIGH; 2038 else if (mode.resolution >= 100) 2039 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2040 else if (mode.resolution >= 50) 2041 mode.resolution = MOUSE_RES_MEDIUMLOW; 2042 else if (mode.resolution > 0) 2043 mode.resolution = MOUSE_RES_LOW; 2044 if (mode.resolution == MOUSE_RES_DEFAULT) 2045 mode.resolution = sc->dflt_mode.resolution; 2046 else if (mode.resolution == -1) 2047 /* don't change the current setting */ 2048 ; 2049 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2050 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2051 if (mode.level == -1) 2052 /* don't change the current setting */ 2053 mode.level = sc->mode.level; 2054 else if ((mode.level < PSM_LEVEL_MIN) || 2055 (mode.level > PSM_LEVEL_MAX)) 2056 return (EINVAL); 2057 if (mode.accelfactor == -1) 2058 /* don't change the current setting */ 2059 mode.accelfactor = sc->mode.accelfactor; 2060 else if (mode.accelfactor < 0) 2061 return (EINVAL); 2062 2063 /* don't allow anybody to poll the keyboard controller */ 2064 error = block_mouse_data(sc, &command_byte); 2065 if (error) 2066 return (error); 2067 2068 /* set mouse parameters */ 2069 if (mode.rate > 0) 2070 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2071 mode.rate); 2072 if (mode.resolution >= 0) 2073 mode.resolution = 2074 set_mouse_resolution(sc->kbdc, mode.resolution); 2075 set_mouse_scaling(sc->kbdc, 1); 2076 get_mouse_status(sc->kbdc, stat, 0, 3); 2077 2078 crit_enter(); 2079 sc->mode.rate = mode.rate; 2080 sc->mode.resolution = mode.resolution; 2081 sc->mode.accelfactor = mode.accelfactor; 2082 sc->mode.level = mode.level; 2083 crit_exit(); 2084 2085 unblock_mouse_data(sc, command_byte); 2086 break; 2087 2088 case MOUSE_GETLEVEL: 2089 *(int *)addr = sc->mode.level; 2090 break; 2091 2092 case MOUSE_SETLEVEL: 2093 if ((*(int *)addr < PSM_LEVEL_MIN) || 2094 (*(int *)addr > PSM_LEVEL_MAX)) 2095 return (EINVAL); 2096 sc->mode.level = *(int *)addr; 2097 break; 2098 2099 case MOUSE_GETSTATUS: 2100 crit_enter(); 2101 status = sc->status; 2102 sc->status.flags = 0; 2103 sc->status.obutton = sc->status.button; 2104 sc->status.button = 0; 2105 sc->status.dx = 0; 2106 sc->status.dy = 0; 2107 sc->status.dz = 0; 2108 crit_exit(); 2109 *(mousestatus_t *)addr = status; 2110 break; 2111 2112 #if (defined(MOUSE_GETVARS)) 2113 case MOUSE_GETVARS: 2114 var = (mousevar_t *)addr; 2115 bzero(var, sizeof(*var)); 2116 crit_enter(); 2117 var->var[0] = MOUSE_VARS_PS2_SIG; 2118 var->var[1] = sc->config; 2119 var->var[2] = sc->flags; 2120 crit_exit(); 2121 break; 2122 2123 case MOUSE_SETVARS: 2124 return (ENODEV); 2125 #endif /* MOUSE_GETVARS */ 2126 2127 case MOUSE_READSTATE: 2128 case MOUSE_READDATA: 2129 data = (mousedata_t *)addr; 2130 if (data->len > NELEM(data->buf)) 2131 return (EINVAL); 2132 2133 error = block_mouse_data(sc, &command_byte); 2134 if (error) 2135 return (error); 2136 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2137 (ap->a_cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2138 error = EIO; 2139 unblock_mouse_data(sc, command_byte); 2140 break; 2141 2142 #if (defined(MOUSE_SETRESOLUTION)) 2143 case MOUSE_SETRESOLUTION: 2144 mode.resolution = *(int *)addr; 2145 if (mode.resolution >= UCHAR_MAX) 2146 return (EINVAL); 2147 else if (mode.resolution >= 200) 2148 mode.resolution = MOUSE_RES_HIGH; 2149 else if (mode.resolution >= 100) 2150 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2151 else if (mode.resolution >= 50) 2152 mode.resolution = MOUSE_RES_MEDIUMLOW; 2153 else if (mode.resolution > 0) 2154 mode.resolution = MOUSE_RES_LOW; 2155 if (mode.resolution == MOUSE_RES_DEFAULT) 2156 mode.resolution = sc->dflt_mode.resolution; 2157 else if (mode.resolution == -1) 2158 mode.resolution = sc->mode.resolution; 2159 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2160 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2161 2162 error = block_mouse_data(sc, &command_byte); 2163 if (error) 2164 return (error); 2165 sc->mode.resolution = 2166 set_mouse_resolution(sc->kbdc, mode.resolution); 2167 if (sc->mode.resolution != mode.resolution) 2168 error = EIO; 2169 unblock_mouse_data(sc, command_byte); 2170 break; 2171 #endif /* MOUSE_SETRESOLUTION */ 2172 2173 #if (defined(MOUSE_SETRATE)) 2174 case MOUSE_SETRATE: 2175 mode.rate = *(int *)addr; 2176 if (mode.rate > UCHAR_MAX) 2177 return (EINVAL); 2178 if (mode.rate == 0) 2179 mode.rate = sc->dflt_mode.rate; 2180 else if (mode.rate < 0) 2181 mode.rate = sc->mode.rate; 2182 2183 error = block_mouse_data(sc, &command_byte); 2184 if (error) 2185 return (error); 2186 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2187 if (sc->mode.rate != mode.rate) 2188 error = EIO; 2189 unblock_mouse_data(sc, command_byte); 2190 break; 2191 #endif /* MOUSE_SETRATE */ 2192 2193 #if (defined(MOUSE_SETSCALING)) 2194 case MOUSE_SETSCALING: 2195 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2196 return (EINVAL); 2197 2198 error = block_mouse_data(sc, &command_byte); 2199 if (error) 2200 return (error); 2201 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2202 error = EIO; 2203 unblock_mouse_data(sc, command_byte); 2204 break; 2205 #endif /* MOUSE_SETSCALING */ 2206 2207 #if (defined(MOUSE_GETHWID)) 2208 case MOUSE_GETHWID: 2209 error = block_mouse_data(sc, &command_byte); 2210 if (error) 2211 return (error); 2212 sc->hw.hwid &= ~0x00ff; 2213 sc->hw.hwid |= get_aux_id(sc->kbdc); 2214 *(int *)addr = sc->hw.hwid & 0x00ff; 2215 unblock_mouse_data(sc, command_byte); 2216 break; 2217 #endif /* MOUSE_GETHWID */ 2218 2219 default: 2220 return (ENOTTY); 2221 } 2222 2223 return (error); 2224 } 2225 2226 static void 2227 psmtimeout(void *arg) 2228 { 2229 struct psm_softc *sc; 2230 2231 sc = (struct psm_softc *)arg; 2232 crit_enter(); 2233 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2234 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2235 psmintr(sc); 2236 kbdc_lock(sc->kbdc, FALSE); 2237 } 2238 sc->watchdog = TRUE; 2239 crit_exit(); 2240 callout_reset(&sc->callout, hz, psmtimeout, (void *)(uintptr_t)sc); 2241 } 2242 2243 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2244 SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2245 SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2246 2247 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2248 "Verbosity level"); 2249 2250 static int psmhz = 20; 2251 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2252 "Frequency of the softcallout (in hz)"); 2253 static int psmerrsecs = 2; 2254 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2255 "Number of seconds during which packets will dropped after a sync error"); 2256 static int psmerrusecs = 0; 2257 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2258 "Microseconds to add to psmerrsecs"); 2259 static int psmsecs = 0; 2260 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2261 "Max number of seconds between soft interrupts"); 2262 static int psmusecs = 500000; 2263 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2264 "Microseconds to add to psmsecs"); 2265 static int pkterrthresh = 2; 2266 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2267 "Number of error packets allowed before reinitializing the mouse"); 2268 2269 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RW, &tap_enabled, 0, 2270 "Enable tap and drag gestures"); 2271 static int tap_threshold = PSM_TAP_THRESHOLD; 2272 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2273 "Button tap threshold"); 2274 static int tap_timeout = PSM_TAP_TIMEOUT; 2275 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2276 "Tap timeout for touchpads"); 2277 2278 static void 2279 psmintr(void *arg) 2280 { 2281 struct psm_softc *sc = arg; 2282 struct timeval now; 2283 int c; 2284 packetbuf_t *pb; 2285 2286 2287 /* read until there is nothing to read */ 2288 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2289 pb = &sc->pqueue[sc->pqueue_end]; 2290 2291 /* discard the byte if the device is not open */ 2292 if ((sc->state & PSM_OPEN) == 0) 2293 continue; 2294 2295 getmicrouptime(&now); 2296 if ((pb->inputbytes > 0) && 2297 timevalcmp(&now, &sc->inputtimeout, >)) { 2298 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2299 "resetting byte count\n")); 2300 pb->inputbytes = 0; 2301 sc->syncerrors = 0; 2302 sc->pkterrors = 0; 2303 } 2304 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2305 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2306 timevaladd(&sc->inputtimeout, &now); 2307 2308 pb->ipacket[pb->inputbytes++] = c; 2309 2310 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2311 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2312 sc->syncerrors = 0; 2313 sc->pkterrors = 0; 2314 goto next; 2315 } else { 2316 if (pb->inputbytes < sc->mode.packetsize) 2317 continue; 2318 2319 VLOG(4, (LOG_DEBUG, 2320 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2321 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2322 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2323 } 2324 2325 c = pb->ipacket[0]; 2326 2327 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2328 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2329 sc->flags &= ~PSM_NEED_SYNCBITS; 2330 VLOG(2, (LOG_DEBUG, 2331 "psmintr: Sync bytes now %04x,%04x\n", 2332 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2333 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2334 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2335 "(%04x != %04x) %d cmds since last error.\n", 2336 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2337 sc->cmdcount - sc->lasterr)); 2338 sc->lasterr = sc->cmdcount; 2339 /* 2340 * The sync byte test is a weak measure of packet 2341 * validity. Conservatively discard any input yet 2342 * to be seen by userland when we detect a sync 2343 * error since there is a good chance some of 2344 * the queued packets have undetected errors. 2345 */ 2346 dropqueue(sc); 2347 if (sc->syncerrors == 0) 2348 sc->pkterrors++; 2349 ++sc->syncerrors; 2350 sc->lastinputerr = now; 2351 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2352 sc->pkterrors >= pkterrthresh) { 2353 /* 2354 * If we've failed to find a single sync byte 2355 * in 2 packets worth of data, or we've seen 2356 * persistent packet errors during the 2357 * validation period, reinitialize the mouse 2358 * in hopes of returning it to the expected 2359 * mode. 2360 */ 2361 VLOG(3, (LOG_DEBUG, 2362 "psmintr: reset the mouse.\n")); 2363 reinitialize(sc, TRUE); 2364 } else if (sc->syncerrors == sc->mode.packetsize) { 2365 /* 2366 * Try a soft reset after searching for a sync 2367 * byte through a packet length of bytes. 2368 */ 2369 VLOG(3, (LOG_DEBUG, 2370 "psmintr: re-enable the mouse.\n")); 2371 pb->inputbytes = 0; 2372 disable_aux_dev(sc->kbdc); 2373 enable_aux_dev(sc->kbdc); 2374 } else { 2375 VLOG(3, (LOG_DEBUG, 2376 "psmintr: discard a byte (%d)\n", 2377 sc->syncerrors)); 2378 pb->inputbytes--; 2379 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2380 pb->inputbytes); 2381 } 2382 continue; 2383 } 2384 2385 /* 2386 * We have what appears to be a valid packet. 2387 * Reset the error counters. 2388 */ 2389 sc->syncerrors = 0; 2390 2391 /* 2392 * Drop even good packets if they occur within a timeout 2393 * period of a sync error. This allows the detection of 2394 * a change in the mouse's packet mode without exposing 2395 * erratic mouse behavior to the user. Some KVMs forget 2396 * enhanced mouse modes during switch events. 2397 */ 2398 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2399 &now)) { 2400 pb->inputbytes = 0; 2401 continue; 2402 } 2403 2404 /* 2405 * Now that we're out of the validation period, reset 2406 * the packet error count. 2407 */ 2408 sc->pkterrors = 0; 2409 2410 sc->cmdcount++; 2411 next: 2412 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2413 sc->pqueue_end = 0; 2414 /* 2415 * If we've filled the queue then call the softintr ourselves, 2416 * otherwise schedule the interrupt for later. 2417 */ 2418 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2419 (sc->pqueue_end == sc->pqueue_start)) { 2420 if ((sc->state & PSM_SOFTARMED) != 0) { 2421 sc->state &= ~PSM_SOFTARMED; 2422 callout_stop(&sc->softcallout); 2423 } 2424 psmsoftintr(arg); 2425 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2426 sc->state |= PSM_SOFTARMED; 2427 callout_reset(&sc->softcallout, psmhz < 1 ? 1 : (hz/psmhz), 2428 psmsoftintr, arg); 2429 } 2430 } 2431 } 2432 2433 static void 2434 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2435 int *x, int *y, int *z) 2436 { 2437 2438 /* 2439 * PS2++ protocl packet 2440 * 2441 * b7 b6 b5 b4 b3 b2 b1 b0 2442 * byte 1: * 1 p3 p2 1 * * * 2443 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2444 * 2445 * p3-p0: packet type 2446 * c1, c2: c1 & c2 == 1, if p2 == 0 2447 * c1 & c2 == 0, if p2 == 1 2448 * 2449 * packet type: 0 (device type) 2450 * See comments in enable_mmanplus() below. 2451 * 2452 * packet type: 1 (wheel data) 2453 * 2454 * b7 b6 b5 b4 b3 b2 b1 b0 2455 * byte 3: h * B5 B4 s d2 d1 d0 2456 * 2457 * h: 1, if horizontal roller data 2458 * 0, if vertical roller data 2459 * B4, B5: button 4 and 5 2460 * s: sign bit 2461 * d2-d0: roller data 2462 * 2463 * packet type: 2 (reserved) 2464 */ 2465 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2466 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2467 /* 2468 * the extended data packet encodes button 2469 * and wheel events 2470 */ 2471 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2472 case 1: 2473 /* wheel data packet */ 2474 *x = *y = 0; 2475 if (pb->ipacket[2] & 0x80) { 2476 /* XXX horizontal roller count - ignore it */ 2477 ; 2478 } else { 2479 /* vertical roller count */ 2480 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2481 (pb->ipacket[2] & 0x0f) - 16 : 2482 (pb->ipacket[2] & 0x0f); 2483 } 2484 ms->button |= (pb->ipacket[2] & 2485 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2486 MOUSE_BUTTON4DOWN : 0; 2487 ms->button |= (pb->ipacket[2] & 2488 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2489 MOUSE_BUTTON5DOWN : 0; 2490 break; 2491 case 2: 2492 /* 2493 * this packet type is reserved by 2494 * Logitech... 2495 */ 2496 /* 2497 * IBM ScrollPoint Mouse uses this 2498 * packet type to encode both vertical 2499 * and horizontal scroll movement. 2500 */ 2501 *x = *y = 0; 2502 /* horizontal count */ 2503 if (pb->ipacket[2] & 0x0f) 2504 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2505 -2 : 2; 2506 /* vertical count */ 2507 if (pb->ipacket[2] & 0xf0) 2508 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2509 -1 : 1; 2510 break; 2511 case 0: 2512 /* device type packet - shouldn't happen */ 2513 /* FALLTHROUGH */ 2514 default: 2515 *x = *y = 0; 2516 ms->button = ms->obutton; 2517 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2518 "type %d: 0x%02x 0x%02x 0x%02x\n", 2519 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2520 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2521 break; 2522 } 2523 } else { 2524 /* preserve button states */ 2525 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2526 } 2527 } 2528 2529 static int 2530 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2531 int *x, int *y, int *z) 2532 { 2533 static int touchpad_buttons; 2534 static int guest_buttons; 2535 int w, x0, y0; 2536 2537 /* TouchPad PS/2 absolute mode message format 2538 * 2539 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2540 * ------------------------------------------------ 2541 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2542 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2543 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2544 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2545 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2546 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2547 * 2548 * Legend: 2549 * L: left physical mouse button 2550 * R: right physical mouse button 2551 * D: down button 2552 * U: up button 2553 * W: "wrist" value 2554 * X: x position 2555 * Y: y position 2556 * Z: pressure 2557 * 2558 * Absolute reportable limits: 0 - 6143. 2559 * Typical bezel limits: 1472 - 5472. 2560 * Typical edge marings: 1632 - 5312. 2561 * 2562 * w = 3 Passthrough Packet 2563 * 2564 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2565 */ 2566 2567 if (!synaptics_support) 2568 return (0); 2569 2570 /* Sanity check for out of sync packets. */ 2571 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2572 (pb->ipacket[3] & 0xc8) != 0xc0) 2573 return (-1); 2574 2575 *x = *y = 0; 2576 2577 /* 2578 * Pressure value. 2579 * Interpretation: 2580 * z = 0 No finger contact 2581 * z = 10 Finger hovering near the pad 2582 * z = 30 Very light finger contact 2583 * z = 80 Normal finger contact 2584 * z = 110 Very heavy finger contact 2585 * z = 200 Finger lying flat on pad surface 2586 * z = 255 Maximum reportable Z 2587 */ 2588 *z = pb->ipacket[2]; 2589 2590 /* 2591 * Finger width value 2592 * Interpretation: 2593 * w = 0 Two finger on the pad (capMultiFinger needed) 2594 * w = 1 Three or more fingers (capMultiFinger needed) 2595 * w = 2 Pen (instead of finger) (capPen needed) 2596 * w = 3 Reserved (passthrough?) 2597 * w = 4-7 Finger of normal width (capPalmDetect needed) 2598 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2599 * w = 15 Maximum reportable width (capPalmDetect needed) 2600 */ 2601 /* XXX Is checking capExtended enough? */ 2602 if (sc->synhw.capExtended) 2603 w = ((pb->ipacket[0] & 0x30) >> 2) | 2604 ((pb->ipacket[0] & 0x04) >> 1) | 2605 ((pb->ipacket[3] & 0x04) >> 2); 2606 else { 2607 /* Assume a finger of regular width. */ 2608 w = 4; 2609 } 2610 2611 /* Handle packets from the guest device */ 2612 /* XXX Documentation? */ 2613 if (w == 3 && sc->synhw.capPassthrough) { 2614 *x = ((pb->ipacket[1] & 0x10) ? 2615 pb->ipacket[4] - 256 : pb->ipacket[4]); 2616 *y = ((pb->ipacket[1] & 0x20) ? 2617 pb->ipacket[5] - 256 : pb->ipacket[5]); 2618 *z = 0; 2619 2620 guest_buttons = 0; 2621 if (pb->ipacket[1] & 0x01) 2622 guest_buttons |= MOUSE_BUTTON1DOWN; 2623 if (pb->ipacket[1] & 0x04) 2624 guest_buttons |= MOUSE_BUTTON2DOWN; 2625 if (pb->ipacket[1] & 0x02) 2626 guest_buttons |= MOUSE_BUTTON3DOWN; 2627 2628 ms->button = touchpad_buttons | guest_buttons; 2629 goto SYNAPTICS_END; 2630 } 2631 2632 /* Button presses */ 2633 touchpad_buttons = 0; 2634 if (pb->ipacket[0] & 0x01) 2635 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2636 if (pb->ipacket[0] & 0x02) 2637 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2638 2639 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2640 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2641 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2642 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2643 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2644 } 2645 2646 /* 2647 * In newer pads - bit 0x02 in the third byte of 2648 * the packet indicates that we have an extended 2649 * button press. 2650 */ 2651 /* XXX Documentation? */ 2652 if (pb->ipacket[3] & 0x02) { 2653 /* 2654 * if directional_scrolls is not 1, we treat any of 2655 * the scrolling directions as middle-click. 2656 */ 2657 if (sc->syninfo.directional_scrolls) { 2658 if (pb->ipacket[4] & 0x01) 2659 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2660 if (pb->ipacket[5] & 0x01) 2661 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2662 if (pb->ipacket[4] & 0x02) 2663 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2664 if (pb->ipacket[5] & 0x02) 2665 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2666 } else { 2667 if ((pb->ipacket[4] & 0x0F) || 2668 (pb->ipacket[5] & 0x0F)) 2669 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2670 } 2671 } 2672 2673 ms->button = touchpad_buttons | guest_buttons; 2674 2675 /* Check pressure to detect a real wanted action on the 2676 * touchpad. */ 2677 if (*z >= sc->syninfo.min_pressure) { 2678 synapticsaction_t *synaction; 2679 int cursor, peer, window; 2680 int dx, dy, dxp, dyp; 2681 int max_width, max_pressure; 2682 int margin_top, margin_right, margin_bottom, margin_left; 2683 int na_top, na_right, na_bottom, na_left; 2684 int window_min, window_max; 2685 int multiplicator; 2686 int weight_current, weight_previous, weight_len_squared; 2687 int div_min, div_max, div_len; 2688 int vscroll_hor_area, vscroll_ver_area; 2689 2690 int len, weight_prev_x, weight_prev_y; 2691 int div_max_x, div_max_y, div_x, div_y; 2692 2693 /* Read sysctl. */ 2694 /* XXX Verify values? */ 2695 max_width = sc->syninfo.max_width; 2696 max_pressure = sc->syninfo.max_pressure; 2697 margin_top = sc->syninfo.margin_top; 2698 margin_right = sc->syninfo.margin_right; 2699 margin_bottom = sc->syninfo.margin_bottom; 2700 margin_left = sc->syninfo.margin_left; 2701 na_top = sc->syninfo.na_top; 2702 na_right = sc->syninfo.na_right; 2703 na_bottom = sc->syninfo.na_bottom; 2704 na_left = sc->syninfo.na_left; 2705 window_min = sc->syninfo.window_min; 2706 window_max = sc->syninfo.window_max; 2707 multiplicator = sc->syninfo.multiplicator; 2708 weight_current = sc->syninfo.weight_current; 2709 weight_previous = sc->syninfo.weight_previous; 2710 weight_len_squared = sc->syninfo.weight_len_squared; 2711 div_min = sc->syninfo.div_min; 2712 div_max = sc->syninfo.div_max; 2713 div_len = sc->syninfo.div_len; 2714 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2715 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2716 2717 /* Palm detection. */ 2718 if (!( 2719 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2720 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2721 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2722 (sc->synhw.capPen && w == 2))) { 2723 /* 2724 * We consider the packet irrelevant for the current 2725 * action when: 2726 * - the width isn't comprised in: 2727 * [4; max_width] 2728 * - the pressure isn't comprised in: 2729 * [min_pressure; max_pressure] 2730 * - pen aren't supported but w is 2 2731 * 2732 * Note that this doesn't terminate the current action. 2733 */ 2734 VLOG(2, (LOG_DEBUG, 2735 "synaptics: palm detected! (%d)\n", w)); 2736 goto SYNAPTICS_END; 2737 } 2738 2739 /* Read current absolute position. */ 2740 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2741 ((pb->ipacket[1] & 0x0f) << 8) | 2742 pb->ipacket[4]; 2743 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2744 ((pb->ipacket[1] & 0xf0) << 4) | 2745 pb->ipacket[5]; 2746 2747 synaction = &(sc->synaction); 2748 2749 /* 2750 * If the action is just beginning, init the structure and 2751 * compute tap timeout. 2752 */ 2753 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2754 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2755 2756 /* Store the first point of this action. */ 2757 synaction->start_x = x0; 2758 synaction->start_y = y0; 2759 dx = dy = 0; 2760 2761 /* Initialize queue. */ 2762 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2763 synaction->queue_len = 0; 2764 synaction->window_min = window_min; 2765 2766 /* Reset average. */ 2767 synaction->avg_dx = 0; 2768 synaction->avg_dy = 0; 2769 2770 /* Reset squelch. */ 2771 synaction->squelch_x = 0; 2772 synaction->squelch_y = 0; 2773 2774 /* Reset pressure peak. */ 2775 sc->zmax = 0; 2776 2777 /* Reset fingers count. */ 2778 synaction->fingers_nb = 0; 2779 2780 /* Reset virtual scrolling state. */ 2781 synaction->in_vscroll = 0; 2782 2783 /* Compute tap timeout. */ 2784 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2785 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2786 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2787 2788 sc->flags |= PSM_FLAGS_FINGERDOWN; 2789 } else { 2790 /* Calculate the current delta. */ 2791 cursor = synaction->queue_cursor; 2792 dx = x0 - synaction->queue[cursor].x; 2793 dy = y0 - synaction->queue[cursor].y; 2794 } 2795 2796 /* If in tap-hold, add the recorded button. */ 2797 if (synaction->in_taphold) 2798 ms->button |= synaction->tap_button; 2799 2800 /* 2801 * From now on, we can use the SYNAPTICS_END label to skip 2802 * the current packet. 2803 */ 2804 2805 /* 2806 * Limit the coordinates to the specified margins because 2807 * this area isn't very reliable. 2808 */ 2809 if (x0 <= margin_left) 2810 x0 = margin_left; 2811 else if (x0 >= 6143 - margin_right) 2812 x0 = 6143 - margin_right; 2813 if (y0 <= margin_bottom) 2814 y0 = margin_bottom; 2815 else if (y0 >= 6143 - margin_top) 2816 y0 = 6143 - margin_top; 2817 2818 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2819 x0, y0, *z, w)); 2820 2821 /* Queue this new packet. */ 2822 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2823 synaction->queue[cursor].x = x0; 2824 synaction->queue[cursor].y = y0; 2825 synaction->queue_cursor = cursor; 2826 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2827 synaction->queue_len++; 2828 VLOG(5, (LOG_DEBUG, 2829 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2830 cursor, x0, y0, dx, dy)); 2831 2832 /* 2833 * For tap, we keep the maximum number of fingers and the 2834 * pressure peak. Also with multiple fingers, we increase 2835 * the minimum window. 2836 */ 2837 switch (w) { 2838 case 1: /* Three or more fingers. */ 2839 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2840 synaction->window_min = window_max; 2841 break; 2842 case 0: /* Two fingers. */ 2843 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2844 synaction->window_min = window_max; 2845 break; 2846 default: /* One finger or undetectable. */ 2847 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2848 } 2849 sc->zmax = imax(*z, sc->zmax); 2850 2851 /* Do we have enough packets to consider this a movement? */ 2852 if (synaction->queue_len < synaction->window_min) 2853 goto SYNAPTICS_END; 2854 2855 /* Is a scrolling action occuring? */ 2856 if (!synaction->in_taphold && !synaction->in_vscroll) { 2857 /* 2858 * A scrolling action must not conflict with a tap 2859 * action. Here are the conditions to consider a 2860 * scrolling action: 2861 * - the action in a configurable area 2862 * - one of the following: 2863 * . the distance between the last packet and the 2864 * first should be above a configurable minimum 2865 * . tap timed out 2866 */ 2867 dxp = abs(synaction->queue[synaction->queue_cursor].x - 2868 synaction->start_x); 2869 dyp = abs(synaction->queue[synaction->queue_cursor].y - 2870 synaction->start_y); 2871 2872 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 2873 dxp >= sc->syninfo.vscroll_min_delta || 2874 dyp >= sc->syninfo.vscroll_min_delta) { 2875 /* Check for horizontal scrolling. */ 2876 if ((vscroll_hor_area > 0 && 2877 synaction->start_y <= vscroll_hor_area) || 2878 (vscroll_hor_area < 0 && 2879 synaction->start_y >= 2880 6143 + vscroll_hor_area)) 2881 synaction->in_vscroll += 2; 2882 2883 /* Check for vertical scrolling. */ 2884 if ((vscroll_ver_area > 0 && 2885 synaction->start_x <= vscroll_ver_area) || 2886 (vscroll_ver_area < 0 && 2887 synaction->start_x >= 2888 6143 + vscroll_ver_area)) 2889 synaction->in_vscroll += 1; 2890 2891 /* Avoid conflicts if area overlaps. */ 2892 if (synaction->in_vscroll == 3) 2893 synaction->in_vscroll = 2894 (dxp > dyp) ? 2 : 1; 2895 } 2896 VLOG(5, (LOG_DEBUG, 2897 "synaptics: virtual scrolling: %s " 2898 "(direction=%d, dxp=%d, dyp=%d)\n", 2899 synaction->in_vscroll ? "YES" : "NO", 2900 synaction->in_vscroll, dxp, dyp)); 2901 } 2902 2903 weight_prev_x = weight_prev_y = weight_previous; 2904 div_max_x = div_max_y = div_max; 2905 2906 if (synaction->in_vscroll) { 2907 /* Dividers are different with virtual scrolling. */ 2908 div_min = sc->syninfo.vscroll_div_min; 2909 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 2910 } else { 2911 /* 2912 * There's a lot of noise in coordinates when 2913 * the finger is on the touchpad's borders. When 2914 * using this area, we apply a special weight and 2915 * div. 2916 */ 2917 if (x0 <= na_left || x0 >= 6143 - na_right) { 2918 weight_prev_x = sc->syninfo.weight_previous_na; 2919 div_max_x = sc->syninfo.div_max_na; 2920 } 2921 2922 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 2923 weight_prev_y = sc->syninfo.weight_previous_na; 2924 div_max_y = sc->syninfo.div_max_na; 2925 } 2926 } 2927 2928 /* 2929 * Calculate weights for the average operands and 2930 * the divisor. Both depend on the distance between 2931 * the current packet and a previous one (based on the 2932 * window width). 2933 */ 2934 window = imin(synaction->queue_len, window_max); 2935 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 2936 dxp = abs(x0 - synaction->queue[peer].x) + 1; 2937 dyp = abs(y0 - synaction->queue[peer].y) + 1; 2938 len = (dxp * dxp) + (dyp * dyp); 2939 weight_prev_x = imin(weight_prev_x, 2940 weight_len_squared * weight_prev_x / len); 2941 weight_prev_y = imin(weight_prev_y, 2942 weight_len_squared * weight_prev_y / len); 2943 2944 len = (dxp + dyp) / 2; 2945 div_x = div_len * div_max_x / len; 2946 div_x = imin(div_max_x, div_x); 2947 div_x = imax(div_min, div_x); 2948 div_y = div_len * div_max_y / len; 2949 div_y = imin(div_max_y, div_y); 2950 div_y = imax(div_min, div_y); 2951 2952 VLOG(3, (LOG_DEBUG, 2953 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 2954 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 2955 2956 /* Compute averages. */ 2957 synaction->avg_dx = 2958 (weight_current * dx * multiplicator + 2959 weight_prev_x * synaction->avg_dx) / 2960 (weight_current + weight_prev_x); 2961 2962 synaction->avg_dy = 2963 (weight_current * dy * multiplicator + 2964 weight_prev_y * synaction->avg_dy) / 2965 (weight_current + weight_prev_y); 2966 2967 VLOG(5, (LOG_DEBUG, 2968 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 2969 synaction->avg_dx / multiplicator, 2970 synaction->avg_dy / multiplicator)); 2971 2972 /* Use these averages to calculate x & y. */ 2973 synaction->squelch_x += synaction->avg_dx; 2974 *x = synaction->squelch_x / (div_x * multiplicator); 2975 synaction->squelch_x = synaction->squelch_x % 2976 (div_x * multiplicator); 2977 2978 synaction->squelch_y += synaction->avg_dy; 2979 *y = synaction->squelch_y / (div_y * multiplicator); 2980 synaction->squelch_y = synaction->squelch_y % 2981 (div_y * multiplicator); 2982 2983 if (synaction->in_vscroll) { 2984 switch(synaction->in_vscroll) { 2985 case 1: /* Vertical scrolling. */ 2986 if (*y != 0) 2987 ms->button |= (*y > 0) ? 2988 MOUSE_BUTTON4DOWN : 2989 MOUSE_BUTTON5DOWN; 2990 break; 2991 case 2: /* Horizontal scrolling. */ 2992 if (*x != 0) 2993 ms->button |= (*x > 0) ? 2994 MOUSE_BUTTON7DOWN : 2995 MOUSE_BUTTON6DOWN; 2996 break; 2997 } 2998 2999 /* The pointer is not moved. */ 3000 *x = *y = 0; 3001 } else { 3002 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3003 dx, dy, *x, *y)); 3004 } 3005 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3006 /* 3007 * An action is currently taking place but the pressure 3008 * dropped under the minimum, putting an end to it. 3009 */ 3010 synapticsaction_t *synaction; 3011 int taphold_timeout, dx, dy, tap_max_delta; 3012 3013 synaction = &(sc->synaction); 3014 dx = abs(synaction->queue[synaction->queue_cursor].x - 3015 synaction->start_x); 3016 dy = abs(synaction->queue[synaction->queue_cursor].y - 3017 synaction->start_y); 3018 3019 /* Max delta is disabled for multi-fingers tap. */ 3020 if (synaction->fingers_nb > 1) 3021 tap_max_delta = imax(dx, dy); 3022 else 3023 tap_max_delta = sc->syninfo.tap_max_delta; 3024 3025 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3026 3027 /* Check for tap. */ 3028 VLOG(3, (LOG_DEBUG, 3029 "synaptics: zmax=%d, dx=%d, dy=%d, " 3030 "delta=%d, fingers=%d, queue=%d\n", 3031 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3032 synaction->queue_len)); 3033 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3034 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3035 dx <= tap_max_delta && dy <= tap_max_delta && 3036 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3037 /* 3038 * We have a tap if: 3039 * - the maximum pressure went over tap_threshold 3040 * - the action ended before tap_timeout 3041 * 3042 * To handle tap-hold, we must delay any button push to 3043 * the next action. 3044 */ 3045 if (synaction->in_taphold) { 3046 /* 3047 * This is the second and last tap of a 3048 * double tap action, not a tap-hold. 3049 */ 3050 synaction->in_taphold = 0; 3051 3052 /* 3053 * For double-tap to work: 3054 * - no button press is emitted (to 3055 * simulate a button release) 3056 * - PSM_FLAGS_FINGERDOWN is set to 3057 * force the next packet to emit a 3058 * button press) 3059 */ 3060 VLOG(2, (LOG_DEBUG, 3061 "synaptics: button RELEASE: %d\n", 3062 synaction->tap_button)); 3063 sc->flags |= PSM_FLAGS_FINGERDOWN; 3064 } else { 3065 /* 3066 * This is the first tap: we set the 3067 * tap-hold state and notify the button 3068 * down event. 3069 */ 3070 synaction->in_taphold = 1; 3071 taphold_timeout = sc->syninfo.taphold_timeout; 3072 sc->taptimeout.tv_sec = taphold_timeout / 3073 1000000; 3074 sc->taptimeout.tv_usec = taphold_timeout % 3075 1000000; 3076 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3077 3078 switch (synaction->fingers_nb) { 3079 case 3: 3080 synaction->tap_button = 3081 MOUSE_BUTTON2DOWN; 3082 break; 3083 case 2: 3084 synaction->tap_button = 3085 MOUSE_BUTTON3DOWN; 3086 break; 3087 default: 3088 synaction->tap_button = 3089 MOUSE_BUTTON1DOWN; 3090 } 3091 VLOG(2, (LOG_DEBUG, 3092 "synaptics: button PRESS: %d\n", 3093 synaction->tap_button)); 3094 ms->button |= synaction->tap_button; 3095 } 3096 } else { 3097 /* 3098 * Not enough pressure or timeout: reset 3099 * tap-hold state. 3100 */ 3101 if (synaction->in_taphold) { 3102 VLOG(2, (LOG_DEBUG, 3103 "synaptics: button RELEASE: %d\n", 3104 synaction->tap_button)); 3105 synaction->in_taphold = 0; 3106 } else { 3107 VLOG(2, (LOG_DEBUG, 3108 "synaptics: not a tap-hold\n")); 3109 } 3110 } 3111 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3112 sc->synaction.in_taphold) { 3113 /* 3114 * For a tap-hold to work, the button must remain down at 3115 * least until timeout (where the in_taphold flags will be 3116 * cleared) or during the next action. 3117 */ 3118 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3119 ms->button |= sc->synaction.tap_button; 3120 } else { 3121 VLOG(2, (LOG_DEBUG, 3122 "synaptics: button RELEASE: %d\n", 3123 sc->synaction.tap_button)); 3124 sc->synaction.in_taphold = 0; 3125 } 3126 } 3127 3128 SYNAPTICS_END: 3129 /* 3130 * Use the extra buttons as a scrollwheel 3131 * 3132 * XXX X.Org uses the Z axis for vertical wheel only, 3133 * whereas moused(8) understands special values to differ 3134 * vertical and horizontal wheels. 3135 * 3136 * xf86-input-mouse needs therefore a small patch to 3137 * understand these special values. Without it, the 3138 * horizontal wheel acts as a vertical wheel in X.Org. 3139 * 3140 * That's why the horizontal wheel is disabled by 3141 * default for now. 3142 */ 3143 if (ms->button & MOUSE_BUTTON4DOWN) { 3144 *z = -1; 3145 ms->button &= ~MOUSE_BUTTON4DOWN; 3146 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3147 *z = 1; 3148 ms->button &= ~MOUSE_BUTTON5DOWN; 3149 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3150 *z = -2; 3151 ms->button &= ~MOUSE_BUTTON6DOWN; 3152 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3153 *z = 2; 3154 ms->button &= ~MOUSE_BUTTON7DOWN; 3155 } else 3156 *z = 0; 3157 3158 return (0); 3159 } 3160 3161 static void 3162 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3163 int *x, int *y, int *z) 3164 { 3165 static int butmap_versapad[8] = { 3166 0, 3167 MOUSE_BUTTON3DOWN, 3168 0, 3169 MOUSE_BUTTON3DOWN, 3170 MOUSE_BUTTON1DOWN, 3171 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3172 MOUSE_BUTTON1DOWN, 3173 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3174 }; 3175 int c, x0, y0; 3176 3177 /* VersaPad PS/2 absolute mode message format 3178 * 3179 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3180 * ipacket[0]: 1 1 0 A 1 L T R 3181 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3182 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3183 * ipacket[3]: 1 1 1 A 1 L T R 3184 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3185 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3186 * 3187 * [note] 3188 * R: right physical mouse button (1=on) 3189 * T: touch pad virtual button (1=tapping) 3190 * L: left physical mouse button (1=on) 3191 * A: position data is valid (1=valid) 3192 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3193 * V: vertical data (12bit signed integer. V11 is sign bit.) 3194 * P: pressure data 3195 * 3196 * Tapping is mapped to MOUSE_BUTTON4. 3197 */ 3198 c = pb->ipacket[0]; 3199 *x = *y = 0; 3200 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3201 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3202 if (c & MOUSE_PS2VERSA_IN_USE) { 3203 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3204 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3205 if (x0 & 0x800) 3206 x0 -= 0x1000; 3207 if (y0 & 0x800) 3208 y0 -= 0x1000; 3209 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3210 *x = sc->xold - x0; 3211 *y = y0 - sc->yold; 3212 if (*x < 0) /* XXX */ 3213 ++*x; 3214 else if (*x) 3215 --*x; 3216 if (*y < 0) 3217 ++*y; 3218 else if (*y) 3219 --*y; 3220 } else 3221 sc->flags |= PSM_FLAGS_FINGERDOWN; 3222 sc->xold = x0; 3223 sc->yold = y0; 3224 } else 3225 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3226 } 3227 3228 static void 3229 psmsoftintr(void *arg) 3230 { 3231 /* 3232 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3233 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3234 */ 3235 static int butmap[8] = { 3236 0, 3237 MOUSE_BUTTON1DOWN, 3238 MOUSE_BUTTON3DOWN, 3239 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3240 MOUSE_BUTTON2DOWN, 3241 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3242 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3243 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3244 }; 3245 struct psm_softc *sc = arg; 3246 mousestatus_t ms; 3247 packetbuf_t *pb; 3248 int x, y, z, c, l; 3249 3250 getmicrouptime(&sc->lastsoftintr); 3251 3252 crit_enter(); 3253 3254 do { 3255 pb = &sc->pqueue[sc->pqueue_start]; 3256 3257 if (sc->mode.level == PSM_LEVEL_NATIVE) 3258 goto next_native; 3259 3260 c = pb->ipacket[0]; 3261 /* 3262 * A kludge for Kensington device! 3263 * The MSB of the horizontal count appears to be stored in 3264 * a strange place. 3265 */ 3266 if (sc->hw.model == MOUSE_MODEL_THINK) 3267 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3268 3269 /* ignore the overflow bits... */ 3270 x = (c & MOUSE_PS2_XNEG) ? 3271 pb->ipacket[1] - 256 : pb->ipacket[1]; 3272 y = (c & MOUSE_PS2_YNEG) ? 3273 pb->ipacket[2] - 256 : pb->ipacket[2]; 3274 z = 0; 3275 ms.obutton = sc->button; /* previous button state */ 3276 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3277 /* `tapping' action */ 3278 if (sc->config & PSM_CONFIG_FORCETAP) 3279 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3280 0 : MOUSE_BUTTON4DOWN; 3281 3282 switch (sc->hw.model) { 3283 3284 case MOUSE_MODEL_EXPLORER: 3285 /* 3286 * b7 b6 b5 b4 b3 b2 b1 b0 3287 * byte 1: oy ox sy sx 1 M R L 3288 * byte 2: x x x x x x x x 3289 * byte 3: y y y y y y y y 3290 * byte 4: * * S2 S1 s d2 d1 d0 3291 * 3292 * L, M, R, S1, S2: left, middle, right and side buttons 3293 * s: wheel data sign bit 3294 * d2-d0: wheel data 3295 */ 3296 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3297 (pb->ipacket[3] & 0x0f) - 16 : 3298 (pb->ipacket[3] & 0x0f); 3299 ms.button |= 3300 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3301 MOUSE_BUTTON4DOWN : 0; 3302 ms.button |= 3303 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3304 MOUSE_BUTTON5DOWN : 0; 3305 break; 3306 3307 case MOUSE_MODEL_INTELLI: 3308 case MOUSE_MODEL_NET: 3309 /* wheel data is in the fourth byte */ 3310 z = (char)pb->ipacket[3]; 3311 /* 3312 * XXX some mice may send 7 when there is no Z movement? */ 3313 if ((z >= 7) || (z <= -7)) 3314 z = 0; 3315 /* some compatible mice have additional buttons */ 3316 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3317 MOUSE_BUTTON4DOWN : 0; 3318 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3319 MOUSE_BUTTON5DOWN : 0; 3320 break; 3321 3322 case MOUSE_MODEL_MOUSEMANPLUS: 3323 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3324 break; 3325 3326 case MOUSE_MODEL_GLIDEPOINT: 3327 /* `tapping' action */ 3328 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3329 MOUSE_BUTTON4DOWN; 3330 break; 3331 3332 case MOUSE_MODEL_NETSCROLL: 3333 /* 3334 * three addtional bytes encode buttons and 3335 * wheel events 3336 */ 3337 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3338 MOUSE_BUTTON4DOWN : 0; 3339 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3340 MOUSE_BUTTON5DOWN : 0; 3341 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3342 pb->ipacket[4] - 256 : pb->ipacket[4]; 3343 break; 3344 3345 case MOUSE_MODEL_THINK: 3346 /* the fourth button state in the first byte */ 3347 ms.button |= (c & MOUSE_PS2_TAP) ? 3348 MOUSE_BUTTON4DOWN : 0; 3349 break; 3350 3351 case MOUSE_MODEL_VERSAPAD: 3352 proc_versapad(sc, pb, &ms, &x, &y, &z); 3353 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3354 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3355 break; 3356 3357 case MOUSE_MODEL_4D: 3358 /* 3359 * b7 b6 b5 b4 b3 b2 b1 b0 3360 * byte 1: s2 d2 s1 d1 1 M R L 3361 * byte 2: sx x x x x x x x 3362 * byte 3: sy y y y y y y y 3363 * 3364 * s1: wheel 1 direction 3365 * d1: wheel 1 data 3366 * s2: wheel 2 direction 3367 * d2: wheel 2 data 3368 */ 3369 x = (pb->ipacket[1] & 0x80) ? 3370 pb->ipacket[1] - 256 : pb->ipacket[1]; 3371 y = (pb->ipacket[2] & 0x80) ? 3372 pb->ipacket[2] - 256 : pb->ipacket[2]; 3373 switch (c & MOUSE_4D_WHEELBITS) { 3374 case 0x10: 3375 z = 1; 3376 break; 3377 case 0x30: 3378 z = -1; 3379 break; 3380 case 0x40: /* XXX 2nd wheel turning right */ 3381 z = 2; 3382 break; 3383 case 0xc0: /* XXX 2nd wheel turning left */ 3384 z = -2; 3385 break; 3386 } 3387 break; 3388 3389 case MOUSE_MODEL_4DPLUS: 3390 if ((x < 16 - 256) && (y < 16 - 256)) { 3391 /* 3392 * b7 b6 b5 b4 b3 b2 b1 b0 3393 * byte 1: 0 0 1 1 1 M R L 3394 * byte 2: 0 0 0 0 1 0 0 0 3395 * byte 3: 0 0 0 0 S s d1 d0 3396 * 3397 * L, M, R, S: left, middle, right, 3398 * and side buttons 3399 * s: wheel data sign bit 3400 * d1-d0: wheel data 3401 */ 3402 x = y = 0; 3403 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3404 ms.button |= MOUSE_BUTTON4DOWN; 3405 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3406 ((pb->ipacket[2] & 0x07) - 8) : 3407 (pb->ipacket[2] & 0x07) ; 3408 } else { 3409 /* preserve previous button states */ 3410 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3411 } 3412 break; 3413 3414 case MOUSE_MODEL_SYNAPTICS: 3415 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3416 goto next; 3417 break; 3418 3419 case MOUSE_MODEL_GENERIC: 3420 default: 3421 break; 3422 } 3423 3424 /* scale values */ 3425 if (sc->mode.accelfactor >= 1) { 3426 if (x != 0) { 3427 x = x * x / sc->mode.accelfactor; 3428 if (x == 0) 3429 x = 1; 3430 if (c & MOUSE_PS2_XNEG) 3431 x = -x; 3432 } 3433 if (y != 0) { 3434 y = y * y / sc->mode.accelfactor; 3435 if (y == 0) 3436 y = 1; 3437 if (c & MOUSE_PS2_YNEG) 3438 y = -y; 3439 } 3440 } 3441 3442 ms.dx = x; 3443 ms.dy = y; 3444 ms.dz = z; 3445 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3446 (ms.obutton ^ ms.button); 3447 3448 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3449 3450 sc->status.flags |= ms.flags; 3451 sc->status.dx += ms.dx; 3452 sc->status.dy += ms.dy; 3453 sc->status.dz += ms.dz; 3454 sc->status.button = ms.button; 3455 sc->button = ms.button; 3456 3457 next_native: 3458 sc->watchdog = FALSE; 3459 3460 /* queue data */ 3461 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3462 l = imin(pb->inputbytes, 3463 sizeof(sc->queue.buf) - sc->queue.tail); 3464 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3465 if (pb->inputbytes > l) 3466 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3467 pb->inputbytes - l); 3468 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3469 sizeof(sc->queue.buf); 3470 sc->queue.count += pb->inputbytes; 3471 } 3472 pb->inputbytes = 0; 3473 3474 next: 3475 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3476 sc->pqueue_start = 0; 3477 } while (sc->pqueue_start != sc->pqueue_end); 3478 3479 if (sc->state & PSM_ASLP) { 3480 sc->state &= ~PSM_ASLP; 3481 wakeup(sc); 3482 } 3483 KNOTE(&sc->rkq.ki_note, 0); 3484 3485 sc->state &= ~PSM_SOFTARMED; 3486 crit_exit(); 3487 } 3488 3489 static struct filterops psmfiltops = 3490 { FILTEROP_ISFD, NULL, psmfilter_detach, psmfilter }; 3491 3492 static int 3493 psmkqfilter(struct dev_kqfilter_args *ap) 3494 { 3495 cdev_t dev = ap->a_head.a_dev; 3496 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 3497 struct knote *kn = ap->a_kn; 3498 struct klist *klist; 3499 3500 ap->a_result = 0; 3501 3502 switch (kn->kn_filter) { 3503 case EVFILT_READ: 3504 kn->kn_fop = &psmfiltops; 3505 kn->kn_hook = (caddr_t)sc; 3506 break; 3507 default: 3508 ap->a_result = EOPNOTSUPP; 3509 return (0); 3510 } 3511 3512 klist = &sc->rkq.ki_note; 3513 knote_insert(klist, kn); 3514 3515 return (0); 3516 } 3517 3518 static void 3519 psmfilter_detach(struct knote *kn) 3520 { 3521 struct psm_softc *sc = (struct psm_softc *)kn->kn_hook; 3522 struct klist *klist; 3523 3524 klist = &sc->rkq.ki_note; 3525 knote_remove(klist, kn); 3526 } 3527 3528 static int 3529 psmfilter(struct knote *kn, long hint) 3530 { 3531 struct psm_softc *sc = (struct psm_softc *)kn->kn_hook; 3532 int ready = 0; 3533 3534 crit_enter(); 3535 if (sc->queue.count > 0) 3536 ready = 1; 3537 crit_exit(); 3538 3539 return (ready); 3540 } 3541 3542 /* vendor/model specific routines */ 3543 3544 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3545 { 3546 if (set_mouse_resolution(kbdc, res) != res) 3547 return (FALSE); 3548 if (set_mouse_scaling(kbdc, scale) && 3549 set_mouse_scaling(kbdc, scale) && 3550 set_mouse_scaling(kbdc, scale) && 3551 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3552 return (TRUE); 3553 return (FALSE); 3554 } 3555 3556 static int 3557 mouse_ext_command(KBDC kbdc, int command) 3558 { 3559 int c; 3560 3561 c = (command >> 6) & 0x03; 3562 if (set_mouse_resolution(kbdc, c) != c) 3563 return (FALSE); 3564 c = (command >> 4) & 0x03; 3565 if (set_mouse_resolution(kbdc, c) != c) 3566 return (FALSE); 3567 c = (command >> 2) & 0x03; 3568 if (set_mouse_resolution(kbdc, c) != c) 3569 return (FALSE); 3570 c = (command >> 0) & 0x03; 3571 if (set_mouse_resolution(kbdc, c) != c) 3572 return (FALSE); 3573 return (TRUE); 3574 } 3575 3576 #ifdef notyet 3577 /* Logitech MouseMan Cordless II */ 3578 static int 3579 enable_lcordless(struct psm_softc *sc) 3580 { 3581 int status[3]; 3582 int ch; 3583 3584 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 3585 return (FALSE); 3586 if (status[1] == PSMD_RES_HIGH) 3587 return (FALSE); 3588 ch = (status[0] & 0x07) - 1; /* channel # */ 3589 if ((ch <= 0) || (ch > 4)) 3590 return (FALSE); 3591 /* 3592 * status[1]: always one? 3593 * status[2]: battery status? (0-100) 3594 */ 3595 return (TRUE); 3596 } 3597 #endif /* notyet */ 3598 3599 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3600 static int 3601 enable_groller(struct psm_softc *sc) 3602 { 3603 int status[3]; 3604 3605 /* 3606 * The special sequence to enable the fourth button and the 3607 * roller. Immediately after this sequence check status bytes. 3608 * if the mouse is NetScroll, the second and the third bytes are 3609 * '3' and 'D'. 3610 */ 3611 3612 /* 3613 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3614 * look like the following. 3615 * 3616 * byte 1 bit 7 always 0 3617 * bit 6 stream mode (0) 3618 * bit 5 disabled (0) 3619 * bit 4 1:1 scaling (0) 3620 * bit 3 always 0 3621 * bit 0-2 button status 3622 * byte 2 resolution (PSMD_RES_HIGH) 3623 * byte 3 report rate (?) 3624 */ 3625 3626 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3627 return (FALSE); 3628 if ((status[1] != '3') || (status[2] != 'D')) 3629 return (FALSE); 3630 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3631 sc->hw.buttons = 4; 3632 return (TRUE); 3633 } 3634 3635 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3636 static int 3637 enable_gmouse(struct psm_softc *sc) 3638 { 3639 int status[3]; 3640 3641 /* 3642 * The special sequence to enable the middle, "rubber" button. 3643 * Immediately after this sequence check status bytes. 3644 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3645 * the second and the third bytes are '3' and 'U'. 3646 * NOTE: NetMouse reports that it has three buttons although it has 3647 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3648 * say they have three buttons too and they do have a button on the 3649 * side... 3650 */ 3651 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3652 return (FALSE); 3653 if ((status[1] != '3') || (status[2] != 'U')) 3654 return (FALSE); 3655 return (TRUE); 3656 } 3657 3658 /* ALPS GlidePoint */ 3659 static int 3660 enable_aglide(struct psm_softc *sc) 3661 { 3662 int status[3]; 3663 3664 /* 3665 * The special sequence to obtain ALPS GlidePoint specific 3666 * information. Immediately after this sequence, status bytes will 3667 * contain something interesting. 3668 * NOTE: ALPS produces several models of GlidePoint. Some of those 3669 * do not respond to this sequence, thus, cannot be detected this way. 3670 */ 3671 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 3672 return (FALSE); 3673 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 3674 return (FALSE); 3675 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3676 return (FALSE); 3677 return (TRUE); 3678 } 3679 3680 /* Kensington ThinkingMouse/Trackball */ 3681 static int 3682 enable_kmouse(struct psm_softc *sc) 3683 { 3684 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3685 KBDC kbdc = sc->kbdc; 3686 int status[3]; 3687 int id1; 3688 int id2; 3689 int i; 3690 3691 id1 = get_aux_id(kbdc); 3692 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3693 return (FALSE); 3694 /* 3695 * The device is now in the native mode? It returns a different 3696 * ID value... 3697 */ 3698 id2 = get_aux_id(kbdc); 3699 if ((id1 == id2) || (id2 != 2)) 3700 return (FALSE); 3701 3702 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3703 return (FALSE); 3704 #if PSM_DEBUG >= 2 3705 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3706 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3707 return (FALSE); 3708 #endif 3709 3710 /* 3711 * The special sequence to enable the third and fourth buttons. 3712 * Otherwise they behave like the first and second buttons. 3713 */ 3714 for (i = 0; i < NELEM(rate); ++i) 3715 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3716 return (FALSE); 3717 3718 /* 3719 * At this point, the device is using default resolution and 3720 * sampling rate for the native mode. 3721 */ 3722 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3723 return (FALSE); 3724 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3725 return (FALSE); 3726 3727 /* the device appears be enabled by this sequence, diable it for now */ 3728 disable_aux_dev(kbdc); 3729 empty_aux_buffer(kbdc, 5); 3730 3731 return (TRUE); 3732 } 3733 3734 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3735 static int 3736 enable_mmanplus(struct psm_softc *sc) 3737 { 3738 KBDC kbdc = sc->kbdc; 3739 int data[3]; 3740 3741 /* the special sequence to enable the fourth button and the roller. */ 3742 /* 3743 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3744 * must be called exactly three times since the last RESET command 3745 * before this sequence. XXX 3746 */ 3747 if (!set_mouse_scaling(kbdc, 1)) 3748 return (FALSE); 3749 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3750 return (FALSE); 3751 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3752 return (FALSE); 3753 3754 /* 3755 * PS2++ protocl, packet type 0 3756 * 3757 * b7 b6 b5 b4 b3 b2 b1 b0 3758 * byte 1: * 1 p3 p2 1 * * * 3759 * byte 2: 1 1 p1 p0 m1 m0 1 0 3760 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3761 * 3762 * p3-p0: packet type: 0 3763 * m7-m0: model ID: MouseMan+:0x50, 3764 * FirstMouse+:0x51, 3765 * ScrollPoint:0x58... 3766 */ 3767 /* check constant bits */ 3768 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3769 return (FALSE); 3770 if ((data[1] & 0xc3) != 0xc2) 3771 return (FALSE); 3772 /* check d3-d0 in byte 2 */ 3773 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3774 return (FALSE); 3775 /* check p3-p0 */ 3776 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3777 return (FALSE); 3778 3779 sc->hw.hwid &= 0x00ff; 3780 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3781 3782 /* 3783 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3784 * the wheel and the fourth button events are encoded in the 3785 * special data packet. The mouse may be put in the IntelliMouse mode 3786 * if it is initialized by the IntelliMouse's method. 3787 */ 3788 return (TRUE); 3789 } 3790 3791 /* MS IntelliMouse Explorer */ 3792 static int 3793 enable_msexplorer(struct psm_softc *sc) 3794 { 3795 static u_char rate0[] = { 200, 100, 80, }; 3796 static u_char rate1[] = { 200, 200, 80, }; 3797 KBDC kbdc = sc->kbdc; 3798 int id; 3799 int i; 3800 3801 /* 3802 * This is needed for at least A4Tech X-7xx mice - they do not go 3803 * straight to Explorer mode, but need to be set to Intelli mode 3804 * first. 3805 */ 3806 enable_msintelli(sc); 3807 3808 /* the special sequence to enable the extra buttons and the roller. */ 3809 for (i = 0; i < NELEM(rate1); ++i) 3810 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3811 return (FALSE); 3812 /* the device will give the genuine ID only after the above sequence */ 3813 id = get_aux_id(kbdc); 3814 if (id != PSM_EXPLORER_ID) 3815 return (FALSE); 3816 3817 sc->hw.hwid = id; 3818 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3819 3820 /* 3821 * XXX: this is a kludge to fool some KVM switch products 3822 * which think they are clever enough to know the 4-byte IntelliMouse 3823 * protocol, and assume any other protocols use 3-byte packets. 3824 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3825 * correctly to the host computer because of this! 3826 * The following sequence is actually IntelliMouse's "wake up" 3827 * sequence; it will make the KVM think the mouse is IntelliMouse 3828 * when it is in fact IntelliMouse Explorer. 3829 */ 3830 for (i = 0; i < NELEM(rate0); ++i) 3831 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3832 break; 3833 id = get_aux_id(kbdc); 3834 3835 return (TRUE); 3836 } 3837 3838 /* MS IntelliMouse */ 3839 static int 3840 enable_msintelli(struct psm_softc *sc) 3841 { 3842 /* 3843 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3844 * probe routine and act like IntelliMouse. 3845 */ 3846 3847 static u_char rate[] = { 200, 100, 80, }; 3848 KBDC kbdc = sc->kbdc; 3849 int id; 3850 int i; 3851 3852 /* the special sequence to enable the third button and the roller. */ 3853 for (i = 0; i < NELEM(rate); ++i) 3854 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3855 return (FALSE); 3856 /* the device will give the genuine ID only after the above sequence */ 3857 id = get_aux_id(kbdc); 3858 if (id != PSM_INTELLI_ID) 3859 return (FALSE); 3860 3861 sc->hw.hwid = id; 3862 sc->hw.buttons = 3; 3863 3864 return (TRUE); 3865 } 3866 3867 /* A4 Tech 4D Mouse */ 3868 static int 3869 enable_4dmouse(struct psm_softc *sc) 3870 { 3871 /* 3872 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3873 */ 3874 3875 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3876 KBDC kbdc = sc->kbdc; 3877 int id; 3878 int i; 3879 3880 for (i = 0; i < NELEM(rate); ++i) 3881 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3882 return (FALSE); 3883 id = get_aux_id(kbdc); 3884 /* 3885 * WinEasy 4D, 4 Way Scroll 4D: 6 3886 * Cable-Free 4D: 8 (4DPLUS) 3887 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3888 */ 3889 if (id != PSM_4DMOUSE_ID) 3890 return (FALSE); 3891 3892 sc->hw.hwid = id; 3893 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3894 3895 return (TRUE); 3896 } 3897 3898 /* A4 Tech 4D+ Mouse */ 3899 static int 3900 enable_4dplus(struct psm_softc *sc) 3901 { 3902 /* 3903 * Newer wheel mice from A4 Tech seem to use this protocol. 3904 * Older models are recognized as either 4D Mouse or IntelliMouse. 3905 */ 3906 KBDC kbdc = sc->kbdc; 3907 int id; 3908 3909 /* 3910 * enable_4dmouse() already issued the following ID sequence... 3911 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3912 int i; 3913 3914 for (i = 0; i < NELEM(rate); ++i) 3915 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3916 return (FALSE); 3917 */ 3918 3919 id = get_aux_id(kbdc); 3920 switch (id) { 3921 case PSM_4DPLUS_ID: 3922 sc->hw.buttons = 4; 3923 break; 3924 case PSM_4DPLUS_RFSW35_ID: 3925 sc->hw.buttons = 3; 3926 break; 3927 default: 3928 return (FALSE); 3929 } 3930 3931 sc->hw.hwid = id; 3932 3933 return (TRUE); 3934 } 3935 3936 /* Synaptics Touchpad */ 3937 static int 3938 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 3939 { 3940 int error, arg; 3941 3942 /* Read the current value. */ 3943 arg = *(int *)oidp->oid_arg1; 3944 error = sysctl_handle_int(oidp, &arg, 0, req); 3945 3946 /* Sanity check. */ 3947 if (error || !req->newptr) 3948 return (error); 3949 3950 /* 3951 * Check that the new value is in the concerned node's range 3952 * of values. 3953 */ 3954 switch (oidp->oid_arg2) { 3955 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 3956 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 3957 if (arg < 0 || arg > 255) 3958 return (EINVAL); 3959 break; 3960 case SYNAPTICS_SYSCTL_MAX_WIDTH: 3961 if (arg < 4 || arg > 15) 3962 return (EINVAL); 3963 break; 3964 case SYNAPTICS_SYSCTL_MARGIN_TOP: 3965 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 3966 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 3967 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 3968 case SYNAPTICS_SYSCTL_NA_TOP: 3969 case SYNAPTICS_SYSCTL_NA_RIGHT: 3970 case SYNAPTICS_SYSCTL_NA_BOTTOM: 3971 case SYNAPTICS_SYSCTL_NA_LEFT: 3972 if (arg < 0 || arg > 6143) 3973 return (EINVAL); 3974 break; 3975 case SYNAPTICS_SYSCTL_WINDOW_MIN: 3976 case SYNAPTICS_SYSCTL_WINDOW_MAX: 3977 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 3978 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 3979 return (EINVAL); 3980 break; 3981 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 3982 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 3983 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 3984 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 3985 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 3986 case SYNAPTICS_SYSCTL_DIV_MIN: 3987 case SYNAPTICS_SYSCTL_DIV_MAX: 3988 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 3989 case SYNAPTICS_SYSCTL_DIV_LEN: 3990 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 3991 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 3992 if (arg < 1) 3993 return (EINVAL); 3994 break; 3995 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 3996 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 3997 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 3998 if (arg < 0) 3999 return (EINVAL); 4000 break; 4001 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 4002 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 4003 if (arg < -6143 || arg > 6143) 4004 return (EINVAL); 4005 break; 4006 default: 4007 return (EINVAL); 4008 } 4009 4010 /* Update. */ 4011 *(int *)oidp->oid_arg1 = arg; 4012 4013 return (error); 4014 } 4015 4016 static void 4017 synaptics_sysctl_create_tree(struct psm_softc *sc) 4018 { 4019 4020 if (sc->syninfo.sysctl_tree != NULL) 4021 return; 4022 4023 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 4024 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 4025 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 4026 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 4027 0, "Synaptics TouchPad"); 4028 4029 /* hw.psm.synaptics.directional_scrolls. */ 4030 sc->syninfo.directional_scrolls = 1; 4031 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4032 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4033 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4034 &sc->syninfo.directional_scrolls, 0, 4035 "Enable hardware scrolling pad (if non-zero) or register it as " 4036 "a middle-click (if 0)"); 4037 4038 /* hw.psm.synaptics.min_pressure. */ 4039 sc->syninfo.min_pressure = 16; 4040 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4041 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4042 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4043 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4044 synaptics_sysctl, "I", 4045 "Minimum pressure required to start an action"); 4046 4047 /* hw.psm.synaptics.max_pressure. */ 4048 sc->syninfo.max_pressure = 220; 4049 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4050 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4051 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4052 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4053 synaptics_sysctl, "I", 4054 "Maximum pressure to detect palm"); 4055 4056 /* hw.psm.synaptics.max_width. */ 4057 sc->syninfo.max_width = 10; 4058 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4059 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4060 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4061 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4062 synaptics_sysctl, "I", 4063 "Maximum finger width to detect palm"); 4064 4065 /* hw.psm.synaptics.top_margin. */ 4066 sc->syninfo.margin_top = 200; 4067 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4068 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4069 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4070 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4071 synaptics_sysctl, "I", 4072 "Top margin"); 4073 4074 /* hw.psm.synaptics.right_margin. */ 4075 sc->syninfo.margin_right = 200; 4076 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4077 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4078 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4079 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4080 synaptics_sysctl, "I", 4081 "Right margin"); 4082 4083 /* hw.psm.synaptics.bottom_margin. */ 4084 sc->syninfo.margin_bottom = 200; 4085 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4086 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4087 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4088 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4089 synaptics_sysctl, "I", 4090 "Bottom margin"); 4091 4092 /* hw.psm.synaptics.left_margin. */ 4093 sc->syninfo.margin_left = 200; 4094 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4095 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4096 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4097 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4098 synaptics_sysctl, "I", 4099 "Left margin"); 4100 4101 /* hw.psm.synaptics.na_top. */ 4102 sc->syninfo.na_top = 1783; 4103 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4104 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4105 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4106 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4107 synaptics_sysctl, "I", 4108 "Top noisy area, where weight_previous_na is used instead " 4109 "of weight_previous"); 4110 4111 /* hw.psm.synaptics.na_right. */ 4112 sc->syninfo.na_right = 563; 4113 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4114 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4115 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4116 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4117 synaptics_sysctl, "I", 4118 "Right noisy area, where weight_previous_na is used instead " 4119 "of weight_previous"); 4120 4121 /* hw.psm.synaptics.na_bottom. */ 4122 sc->syninfo.na_bottom = 1408; 4123 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4124 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4125 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4126 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4127 synaptics_sysctl, "I", 4128 "Bottom noisy area, where weight_previous_na is used instead " 4129 "of weight_previous"); 4130 4131 /* hw.psm.synaptics.na_left. */ 4132 sc->syninfo.na_left = 1600; 4133 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4134 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4135 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4136 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4137 synaptics_sysctl, "I", 4138 "Left noisy area, where weight_previous_na is used instead " 4139 "of weight_previous"); 4140 4141 /* hw.psm.synaptics.window_min. */ 4142 sc->syninfo.window_min = 4; 4143 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4144 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4145 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4146 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4147 synaptics_sysctl, "I", 4148 "Minimum window size to start an action"); 4149 4150 /* hw.psm.synaptics.window_max. */ 4151 sc->syninfo.window_max = 10; 4152 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4153 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4154 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4155 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4156 synaptics_sysctl, "I", 4157 "Maximum window size"); 4158 4159 /* hw.psm.synaptics.multiplicator. */ 4160 sc->syninfo.multiplicator = 10000; 4161 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4162 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4163 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4164 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4165 synaptics_sysctl, "I", 4166 "Multiplicator to increase precision in averages and divisions"); 4167 4168 /* hw.psm.synaptics.weight_current. */ 4169 sc->syninfo.weight_current = 3; 4170 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4171 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4172 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4173 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4174 synaptics_sysctl, "I", 4175 "Weight of the current movement in the new average"); 4176 4177 /* hw.psm.synaptics.weight_previous. */ 4178 sc->syninfo.weight_previous = 6; 4179 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4180 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4181 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4182 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4183 synaptics_sysctl, "I", 4184 "Weight of the previous average"); 4185 4186 /* hw.psm.synaptics.weight_previous_na. */ 4187 sc->syninfo.weight_previous_na = 20; 4188 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4189 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4190 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4191 &sc->syninfo.weight_previous_na, 4192 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4193 synaptics_sysctl, "I", 4194 "Weight of the previous average (inside the noisy area)"); 4195 4196 /* hw.psm.synaptics.weight_len_squared. */ 4197 sc->syninfo.weight_len_squared = 2000; 4198 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4199 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4200 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4201 &sc->syninfo.weight_len_squared, 4202 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4203 synaptics_sysctl, "I", 4204 "Length (squared) of segments where weight_previous " 4205 "starts to decrease"); 4206 4207 /* hw.psm.synaptics.div_min. */ 4208 sc->syninfo.div_min = 9; 4209 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4210 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4211 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4212 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4213 synaptics_sysctl, "I", 4214 "Divisor for fast movements"); 4215 4216 /* hw.psm.synaptics.div_max. */ 4217 sc->syninfo.div_max = 17; 4218 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4219 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4220 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4221 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4222 synaptics_sysctl, "I", 4223 "Divisor for slow movements"); 4224 4225 /* hw.psm.synaptics.div_max_na. */ 4226 sc->syninfo.div_max_na = 30; 4227 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4228 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4229 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4230 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4231 synaptics_sysctl, "I", 4232 "Divisor with slow movements (inside the noisy area)"); 4233 4234 /* hw.psm.synaptics.div_len. */ 4235 sc->syninfo.div_len = 100; 4236 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4237 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4238 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4239 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4240 synaptics_sysctl, "I", 4241 "Length of segments where div_max starts to decrease"); 4242 4243 /* hw.psm.synaptics.tap_max_delta. */ 4244 sc->syninfo.tap_max_delta = 80; 4245 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4246 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4247 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4248 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4249 synaptics_sysctl, "I", 4250 "Length of segments above which a tap is ignored"); 4251 4252 /* hw.psm.synaptics.tap_min_queue. */ 4253 sc->syninfo.tap_min_queue = 2; 4254 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4255 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4256 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4257 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4258 synaptics_sysctl, "I", 4259 "Number of packets required to consider a tap"); 4260 4261 /* hw.psm.synaptics.taphold_timeout. */ 4262 sc->synaction.in_taphold = 0; 4263 sc->syninfo.taphold_timeout = tap_timeout; 4264 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4265 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4266 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4267 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4268 synaptics_sysctl, "I", 4269 "Maximum elapsed time between two taps to consider a tap-hold " 4270 "action"); 4271 4272 /* hw.psm.synaptics.vscroll_hor_area. */ 4273 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4274 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4275 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4276 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4277 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4278 synaptics_sysctl, "I", 4279 "Area reserved for horizontal virtual scrolling"); 4280 4281 /* hw.psm.synaptics.vscroll_ver_area. */ 4282 sc->syninfo.vscroll_ver_area = -600; 4283 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4284 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4285 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4286 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4287 synaptics_sysctl, "I", 4288 "Area reserved for vertical virtual scrolling"); 4289 4290 /* hw.psm.synaptics.vscroll_min_delta. */ 4291 sc->syninfo.vscroll_min_delta = 50; 4292 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4293 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4294 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4295 &sc->syninfo.vscroll_min_delta, 4296 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4297 synaptics_sysctl, "I", 4298 "Minimum movement to consider virtual scrolling"); 4299 4300 /* hw.psm.synaptics.vscroll_div_min. */ 4301 sc->syninfo.vscroll_div_min = 100; 4302 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4303 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4304 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4305 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4306 synaptics_sysctl, "I", 4307 "Divisor for fast scrolling"); 4308 4309 /* hw.psm.synaptics.vscroll_div_min. */ 4310 sc->syninfo.vscroll_div_max = 150; 4311 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4312 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4313 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4314 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4315 synaptics_sysctl, "I", 4316 "Divisor for slow scrolling"); 4317 } 4318 4319 static int 4320 enable_synaptics(struct psm_softc *sc) 4321 { 4322 int status[3]; 4323 KBDC kbdc; 4324 4325 if (!synaptics_support) 4326 return (FALSE); 4327 4328 kbdc = sc->kbdc; 4329 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4330 sc->hw.buttons = 3; 4331 sc->squelch = 0; 4332 4333 /* 4334 * Just to be on the safe side: this avoids troubles with 4335 * following mouse_ext_command() when the previous command 4336 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4337 * Synaptics Touchpad behaviour. 4338 */ 4339 set_mouse_scaling(kbdc, 1); 4340 4341 /* Identify the Touchpad version. */ 4342 if (mouse_ext_command(kbdc, 0) == 0) 4343 return (FALSE); 4344 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4345 return (FALSE); 4346 if (status[1] != 0x47) 4347 return (FALSE); 4348 4349 sc->synhw.infoMinor = status[0]; 4350 sc->synhw.infoMajor = status[2] & 0x0f; 4351 4352 if (verbose >= 2) 4353 kprintf("Synaptics Touchpad v%d.%d\n", sc->synhw.infoMajor, 4354 sc->synhw.infoMinor); 4355 4356 if (sc->synhw.infoMajor < 4) { 4357 kprintf(" Unsupported (pre-v4) Touchpad detected\n"); 4358 return (FALSE); 4359 } 4360 4361 /* Get the Touchpad model information. */ 4362 if (mouse_ext_command(kbdc, 3) == 0) 4363 return (FALSE); 4364 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4365 return (FALSE); 4366 if ((status[1] & 0x01) != 0) { 4367 kprintf(" Failed to read model information\n"); 4368 return (FALSE); 4369 } 4370 4371 sc->synhw.infoRot180 = (status[0] & 0x80) >> 7; 4372 sc->synhw.infoPortrait = (status[0] & 0x40) >> 6; 4373 sc->synhw.infoSensor = status[0] & 0x3f; 4374 sc->synhw.infoHardware = (status[1] & 0xfe) >> 1; 4375 sc->synhw.infoNewAbs = (status[2] & 0x80) >> 7; 4376 sc->synhw.capPen = (status[2] & 0x40) >> 6; 4377 sc->synhw.infoSimplC = (status[2] & 0x20) >> 5; 4378 sc->synhw.infoGeometry = status[2] & 0x0f; 4379 4380 if (verbose >= 2) { 4381 kprintf(" Model information:\n"); 4382 kprintf(" infoRot180: %d\n", sc->synhw.infoRot180); 4383 kprintf(" infoPortrait: %d\n", sc->synhw.infoPortrait); 4384 kprintf(" infoSensor: %d\n", sc->synhw.infoSensor); 4385 kprintf(" infoHardware: %d\n", sc->synhw.infoHardware); 4386 kprintf(" infoNewAbs: %d\n", sc->synhw.infoNewAbs); 4387 kprintf(" capPen: %d\n", sc->synhw.capPen); 4388 kprintf(" infoSimplC: %d\n", sc->synhw.infoSimplC); 4389 kprintf(" infoGeometry: %d\n", sc->synhw.infoGeometry); 4390 } 4391 4392 /* Read the extended capability bits. */ 4393 if (mouse_ext_command(kbdc, 2) == 0) 4394 return (FALSE); 4395 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4396 return (FALSE); 4397 if (status[1] != 0x47) { 4398 kprintf(" Failed to read extended capability bits\n"); 4399 return (FALSE); 4400 } 4401 4402 /* Set the different capabilities when they exist. */ 4403 if ((status[0] & 0x80) >> 7) { 4404 sc->synhw.capExtended = (status[0] & 0x80) >> 7; 4405 sc->synhw.capPassthrough = (status[2] & 0x80) >> 7; 4406 sc->synhw.capSleep = (status[2] & 0x10) >> 4; 4407 sc->synhw.capFourButtons = (status[2] & 0x08) >> 3; 4408 sc->synhw.capMultiFinger = (status[2] & 0x02) >> 1; 4409 sc->synhw.capPalmDetect = (status[2] & 0x01); 4410 4411 if (verbose >= 2) { 4412 kprintf(" Extended capabilities:\n"); 4413 kprintf(" capExtended: %d\n", sc->synhw.capExtended); 4414 kprintf(" capPassthrough: %d\n", 4415 sc->synhw.capPassthrough); 4416 kprintf(" capSleep: %d\n", sc->synhw.capSleep); 4417 kprintf(" capFourButtons: %d\n", 4418 sc->synhw.capFourButtons); 4419 kprintf(" capMultiFinger: %d\n", 4420 sc->synhw.capMultiFinger); 4421 kprintf(" capPalmDetect: %d\n", 4422 sc->synhw.capPalmDetect); 4423 } 4424 4425 /* 4426 * If we have bits set in status[0] & 0x70, then we can load 4427 * more information about buttons using query 0x09. 4428 */ 4429 if (status[0] & 0x70) { 4430 if (mouse_ext_command(kbdc, 0x09) == 0) 4431 return (FALSE); 4432 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4433 return (FALSE); 4434 sc->hw.buttons = ((status[1] & 0xf0) >> 4) + 3; 4435 if (verbose >= 2) 4436 kprintf(" Additional Buttons: %d\n", 4437 sc->hw.buttons -3); 4438 } 4439 } else { 4440 sc->synhw.capExtended = 0; 4441 4442 if (verbose >= 2) 4443 kprintf(" No extended capabilities\n"); 4444 } 4445 4446 /* 4447 * Read the mode byte. 4448 * 4449 * XXX: Note the Synaptics documentation also defines the first 4450 * byte of the response to this query to be a constant 0x3b, this 4451 * does not appear to be true for Touchpads with guest devices. 4452 */ 4453 if (mouse_ext_command(kbdc, 1) == 0) 4454 return (FALSE); 4455 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4456 return (FALSE); 4457 if (status[1] != 0x47) { 4458 kprintf(" Failed to read mode byte\n"); 4459 return (FALSE); 4460 } 4461 4462 /* Set the mode byte; request wmode where available. */ 4463 if (sc->synhw.capExtended) 4464 mouse_ext_command(kbdc, 0xc1); 4465 else 4466 mouse_ext_command(kbdc, 0xc0); 4467 4468 /* "Commit" the Set Mode Byte command sent above. */ 4469 set_mouse_sampling_rate(kbdc, 20); 4470 4471 /* 4472 * Report the correct number of buttons 4473 * 4474 * XXX: I'm not sure this is used anywhere. 4475 */ 4476 if (sc->synhw.capExtended && sc->synhw.capFourButtons) 4477 sc->hw.buttons = 4; 4478 4479 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", 4480 sc->hw.buttons)); 4481 4482 /* Create sysctl tree. */ 4483 synaptics_sysctl_create_tree(sc); 4484 4485 /* 4486 * The touchpad will have to be reinitialized after 4487 * suspend/resume. 4488 */ 4489 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4490 4491 return (TRUE); 4492 } 4493 4494 /* Interlink electronics VersaPad */ 4495 static int 4496 enable_versapad(struct psm_softc *sc) 4497 { 4498 KBDC kbdc = sc->kbdc; 4499 int data[3]; 4500 4501 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 4502 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 4503 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4504 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4505 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4506 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4507 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 4508 return (FALSE); 4509 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 4510 return (FALSE); 4511 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4512 4513 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4514 4515 return (TRUE); /* PS/2 absolute mode */ 4516 } 4517 4518 /* 4519 * Return true if 'now' is earlier than (start + (secs.usecs)). 4520 * Now may be NULL and the function will fetch the current time from 4521 * getmicrouptime(), or a cached 'now' can be passed in. 4522 * All values should be numbers derived from getmicrouptime(). 4523 */ 4524 static int 4525 timeelapsed(const struct timeval *start, int secs, int usecs, 4526 const struct timeval *now) 4527 { 4528 struct timeval snow, tv; 4529 4530 /* if there is no 'now' passed in, the get it as a convience. */ 4531 if (now == NULL) { 4532 getmicrouptime(&snow); 4533 now = &snow; 4534 } 4535 4536 tv.tv_sec = secs; 4537 tv.tv_usec = usecs; 4538 timevaladd(&tv, start); 4539 return (timevalcmp(&tv, now, <)); 4540 } 4541 4542 static int 4543 psmresume(device_t dev) 4544 { 4545 struct psm_softc *sc = device_get_softc(dev); 4546 int unit = device_get_unit(dev); 4547 int err; 4548 4549 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 4550 4551 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 4552 return (0); 4553 4554 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 4555 4556 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 4557 /* 4558 * Release the blocked process; it must be notified that 4559 * the device cannot be accessed anymore. 4560 */ 4561 sc->state &= ~PSM_ASLP; 4562 wakeup(sc); 4563 } 4564 4565 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 4566 4567 return (err); 4568 } 4569 4570 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, NULL, NULL); 4571 4572 4573 #if 0 4574 /* 4575 * This sucks up assignments from PNPBIOS and ACPI. 4576 */ 4577 4578 /* 4579 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 4580 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 4581 * can be probed and attached only after the AT keyboard controller is 4582 * attached, we shall quietly reserve the IRQ resource for later use. 4583 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 4584 * copy the IRQ resource to the PS/2 mouse device instance hanging 4585 * under the keyboard controller, then probe and attach it. 4586 */ 4587 4588 static devclass_t psmcpnp_devclass; 4589 4590 static device_probe_t psmcpnp_probe; 4591 static device_attach_t psmcpnp_attach; 4592 4593 static device_method_t psmcpnp_methods[] = { 4594 DEVMETHOD(device_probe, psmcpnp_probe), 4595 DEVMETHOD(device_attach, psmcpnp_attach), 4596 4597 DEVMETHOD_END 4598 }; 4599 4600 static driver_t psmcpnp_driver = { 4601 PSMCPNP_DRIVER_NAME, 4602 psmcpnp_methods, 4603 1, /* no softc */ 4604 }; 4605 4606 static struct isa_pnp_id psmcpnp_ids[] = { 4607 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 4608 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 4609 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 4610 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 4611 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 4612 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 4613 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 4614 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 4615 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 4616 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 4617 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 4618 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 4619 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 4620 { 0 } 4621 }; 4622 4623 static int 4624 create_a_copy(device_t atkbdc, device_t me) 4625 { 4626 device_t psm; 4627 u_long irq; 4628 4629 /* find the PS/2 mouse device instance under the keyboard controller */ 4630 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 4631 device_get_unit(atkbdc)); 4632 if (psm == NULL) 4633 return (ENXIO); 4634 if (device_get_state(psm) != DS_NOTPRESENT) 4635 return (0); 4636 4637 /* move our resource to the found device */ 4638 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 4639 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1, 4640 machintr_legacy_intr_cpuid(irq)); 4641 4642 /* ...then probe and attach it */ 4643 return (device_probe_and_attach(psm)); 4644 } 4645 4646 static int 4647 psmcpnp_probe(device_t dev) 4648 { 4649 struct resource *res; 4650 u_long irq; 4651 int rid; 4652 4653 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 4654 return (ENXIO); 4655 4656 /* 4657 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 4658 * to the PS/2 mouse device node. But, some buggy PnP BIOS 4659 * declares the PS/2 mouse device node without an IRQ resource! 4660 * If this happens, we shall refer to device hints. 4661 * If we still don't find it there, use a hardcoded value... XXX 4662 */ 4663 rid = 0; 4664 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 4665 if (irq <= 0) { 4666 if (resource_long_value(PSM_DRIVER_NAME, 4667 device_get_unit(dev),"irq", &irq) != 0) 4668 irq = 12; /* XXX */ 4669 device_printf(dev, "irq resource info is missing; " 4670 "assuming irq %ld\n", irq); 4671 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1, 4672 machintr_legacy_intr_cpuid(irq)); 4673 } 4674 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4675 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 4676 4677 /* keep quiet */ 4678 if (!bootverbose) 4679 device_quiet(dev); 4680 4681 return ((res == NULL) ? ENXIO : 0); 4682 } 4683 4684 static int 4685 psmcpnp_attach(device_t dev) 4686 { 4687 device_t atkbdc; 4688 int rid; 4689 4690 /* find the keyboard controller, which may be on acpi* or isa* bus */ 4691 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 4692 device_get_unit(dev)); 4693 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 4694 create_a_copy(atkbdc, dev); 4695 else { 4696 /* 4697 * If we don't have the AT keyboard controller yet, 4698 * just reserve the IRQ for later use... 4699 * (See psmidentify() above.) 4700 */ 4701 rid = 0; 4702 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4703 } 4704 4705 return (0); 4706 } 4707 4708 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, NULL, NULL); 4709 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, NULL, NULL); 4710 #endif 4711