Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/misc/psm/psm.c
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1 /*- 2 * Copyright (c) 1992, 1993 Erik Forsberg. 3 * Copyright (c) 1996, 1997 Kazutaka YOKOTA. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 */ 23 /* 24 * Ported to 386bsd Oct 17, 1992 25 * Sandi Donno, Computer Science, University of Cape Town, South Africa 26 * Please send bug reports to sandi@cs.uct.ac.za 27 * 28 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 29 * although I was only partially successful in getting the alpha release 30 * of his "driver for the Logitech and ATI Inport Bus mice for use with 31 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 32 * found his code to be an invaluable reference when porting this driver 33 * to 386bsd. 34 * 35 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 36 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 37 * 38 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 39 * Andrew Herbert - 12 June 1993 40 * 41 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 42 * - 13 June 1993 43 * 44 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 45 * - 24 October 1993 46 * 47 * Hardware access routines and probe logic rewritten by 48 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 49 * - 3, 14, 22 October 1996. 50 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 51 * - 14, 30 November 1996. Uses `kbdio.c'. 52 * - 13 December 1996. Uses queuing version of `kbdio.c'. 53 * - January/February 1997. Tweaked probe logic for 54 * HiNote UltraII/Latitude/Armada laptops. 55 * - 30 July 1997. Added APM support. 56 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 57 * Improved sync check logic. 58 * Vendor specific support routines. 59 * 60 * $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 kbdc_get_device_mask(sc->kbdc), 964 (command_byte & KBD_KBD_CONTROL_BITS) | 965 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 966 /* CONTROLLER ERROR */ 967 disable_aux_dev(sc->kbdc); 968 restore_controller(sc->kbdc, command_byte); 969 log(LOG_ERR, 970 "psm%d: failed to enable the aux interrupt (doopen).\n", 971 sc->unit); 972 return (EIO); 973 } 974 975 /* start the watchdog timer */ 976 sc->watchdog = FALSE; 977 callout_reset(&sc->callout, hz * 2, psmtimeout, (void *)(uintptr_t)sc); 978 979 return (0); 980 } 981 982 static int 983 reinitialize(struct psm_softc *sc, int doinit) 984 { 985 int err; 986 int c; 987 988 /* don't let anybody mess with the aux device */ 989 if (!kbdc_lock(sc->kbdc, TRUE)) 990 return (EIO); 991 992 crit_enter(); 993 994 /* block our watchdog timer */ 995 sc->watchdog = FALSE; 996 callout_stop(&sc->callout); 997 998 /* save the current controller command byte */ 999 empty_both_buffers(sc->kbdc, 10); 1000 c = get_controller_command_byte(sc->kbdc); 1001 VLOG(2, (LOG_DEBUG, 1002 "psm%d: current command byte: %04x (reinitialize).\n", 1003 sc->unit, c)); 1004 1005 /* enable the aux port but disable the aux interrupt and the keyboard */ 1006 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1007 kbdc_get_device_mask(sc->kbdc), 1008 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1009 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1010 /* CONTROLLER ERROR */ 1011 crit_exit(); 1012 kbdc_lock(sc->kbdc, FALSE); 1013 log(LOG_ERR, 1014 "psm%d: unable to set the command byte (reinitialize).\n", 1015 sc->unit); 1016 return (EIO); 1017 } 1018 1019 /* flush any data */ 1020 if (sc->state & PSM_VALID) { 1021 /* this may fail; but never mind... */ 1022 disable_aux_dev(sc->kbdc); 1023 empty_aux_buffer(sc->kbdc, 10); 1024 } 1025 flushpackets(sc); 1026 sc->syncerrors = 0; 1027 sc->pkterrors = 0; 1028 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1029 1030 /* try to detect the aux device; are you still there? */ 1031 err = 0; 1032 if (doinit) { 1033 if (doinitialize(sc, &sc->mode)) { 1034 /* yes */ 1035 sc->state |= PSM_VALID; 1036 } else { 1037 /* the device has gone! */ 1038 restore_controller(sc->kbdc, c); 1039 sc->state &= ~PSM_VALID; 1040 log(LOG_ERR, 1041 "psm%d: the aux device has gone! (reinitialize).\n", 1042 sc->unit); 1043 err = ENXIO; 1044 } 1045 } 1046 crit_exit(); 1047 1048 /* restore the driver state */ 1049 if ((sc->state & PSM_OPEN) && (err == 0)) { 1050 /* enable the aux device and the port again */ 1051 err = doopen(sc, c); 1052 if (err != 0) 1053 log(LOG_ERR, "psm%d: failed to enable the device " 1054 "(reinitialize).\n", sc->unit); 1055 } else { 1056 /* restore the keyboard port and disable the aux port */ 1057 if (!set_controller_command_byte(sc->kbdc, 1058 kbdc_get_device_mask(sc->kbdc), 1059 (c & KBD_KBD_CONTROL_BITS) | 1060 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1061 /* CONTROLLER ERROR */ 1062 log(LOG_ERR, "psm%d: failed to disable the aux port " 1063 "(reinitialize).\n", sc->unit); 1064 err = EIO; 1065 } 1066 } 1067 1068 kbdc_lock(sc->kbdc, FALSE); 1069 return (err); 1070 } 1071 1072 /* psm driver entry points */ 1073 1074 static void 1075 psmidentify(driver_t *driver, device_t parent) 1076 { 1077 device_t psmc; 1078 device_t psm; 1079 u_long irq; 1080 int unit; 1081 1082 unit = device_get_unit(parent); 1083 1084 /* always add at least one child */ 1085 psm = BUS_ADD_CHILD(parent, parent, KBDC_RID_AUX, driver->name, unit); 1086 if (psm == NULL) 1087 return; 1088 1089 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1090 if (irq > 0) 1091 return; 1092 1093 /* 1094 * If the PS/2 mouse device has already been reported by ACPI or 1095 * PnP BIOS, obtain the IRQ resource from it. 1096 * (See psmcpnp_attach() below.) 1097 */ 1098 psmc = device_find_child(device_get_parent(parent), 1099 PSMCPNP_DRIVER_NAME, unit); 1100 if (psmc == NULL) 1101 return; 1102 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1103 if (irq <= 0) 1104 return; 1105 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1, 1106 machintr_legacy_intr_cpuid(irq)); 1107 } 1108 1109 #define endprobe(v) do { \ 1110 if (bootverbose) \ 1111 --verbose; \ 1112 kbdc_set_device_mask(sc->kbdc, mask); \ 1113 kbdc_lock(sc->kbdc, FALSE); \ 1114 return (v); \ 1115 } while (0) 1116 1117 static int 1118 psmprobe(device_t dev) 1119 { 1120 int unit = device_get_unit(dev); 1121 struct psm_softc *sc = device_get_softc(dev); 1122 uintptr_t irq; 1123 uintptr_t flags; 1124 int stat[3]; 1125 int command_byte; 1126 int mask; 1127 int i; 1128 1129 #if 0 1130 kbdc_debug(TRUE); 1131 #endif 1132 1133 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 1134 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 1135 1136 sc->unit = unit; 1137 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1138 sc->config = flags & PSM_CONFIG_FLAGS; 1139 /* XXX: for backward compatibility */ 1140 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1141 sc->config |= 1142 #ifdef PSM_RESETAFTERSUSPEND 1143 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 1144 #else 1145 PSM_CONFIG_HOOKRESUME; 1146 #endif 1147 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1148 sc->flags = 0; 1149 if (bootverbose) 1150 ++verbose; 1151 1152 device_set_desc(dev, "PS/2 Mouse"); 1153 1154 if (!kbdc_lock(sc->kbdc, TRUE)) { 1155 kprintf("psm%d: unable to lock the controller.\n", unit); 1156 if (bootverbose) 1157 --verbose; 1158 return (ENXIO); 1159 } 1160 1161 /* 1162 * NOTE: two bits in the command byte controls the operation of the 1163 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1164 * port interrupt (IRQ 12) enable bit (bit 2). 1165 */ 1166 1167 /* discard anything left after the keyboard initialization */ 1168 empty_both_buffers(sc->kbdc, 10); 1169 1170 /* save the current command byte; it will be used later */ 1171 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1172 command_byte = get_controller_command_byte(sc->kbdc); 1173 if (verbose) 1174 kprintf("psm%d: current command byte:%04x\n", unit, 1175 command_byte); 1176 if (command_byte == -1) { 1177 /* CONTROLLER ERROR */ 1178 kprintf("psm%d: unable to get the current command byte value.\n", 1179 unit); 1180 endprobe(ENXIO); 1181 } 1182 1183 /* 1184 * disable the keyboard port while probing the aux port, which must be 1185 * enabled during this routine 1186 */ 1187 if (!set_controller_command_byte(sc->kbdc, 1188 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1189 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1190 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1191 /* 1192 * this is CONTROLLER ERROR; I don't know how to recover 1193 * from this error... 1194 */ 1195 restore_controller(sc->kbdc, command_byte); 1196 kprintf("psm%d: unable to set the command byte.\n", unit); 1197 endprobe(ENXIO); 1198 } 1199 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1200 1201 /* 1202 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1203 * port exists and is functioning. However, some controllers appears 1204 * to respond with zero even when the aux port doesn't exist. (It may 1205 * be that this is only the case when the controller DOES have the aux 1206 * port but the port is not wired on the motherboard.) The keyboard 1207 * controllers without the port, such as the original AT, are 1208 * supporsed to return with an error code or simply time out. In any 1209 * case, we have to continue probing the port even when the controller 1210 * passes this test. 1211 * 1212 * XXX: some controllers erroneously return the error code 1, 2 or 3 1213 * when it has the perfectly functional aux port. We have to ignore 1214 * this error code. Even if the controller HAS error with the aux 1215 * port, it will be detected later... 1216 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1217 */ 1218 switch ((i = test_aux_port(sc->kbdc))) { 1219 case 1: /* ignore these errors */ 1220 case 2: 1221 case 3: 1222 case PSM_ACK: 1223 if (verbose) 1224 kprintf("psm%d: strange result for test aux port " 1225 "(%d).\n", unit, i); 1226 /* FALLTHROUGH */ 1227 case 0: /* no error */ 1228 break; 1229 case -1: /* time out */ 1230 default: /* error */ 1231 recover_from_error(sc->kbdc); 1232 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1233 break; 1234 restore_controller(sc->kbdc, command_byte); 1235 if (verbose) 1236 kprintf("psm%d: the aux port is not functioning (%d).\n", 1237 unit, i); 1238 endprobe(ENXIO); 1239 } 1240 1241 if (sc->config & PSM_CONFIG_NORESET) { 1242 /* 1243 * Don't try to reset the pointing device. It may possibly be 1244 * left in the unknown state, though... 1245 */ 1246 } else { 1247 /* 1248 * NOTE: some controllers appears to hang the `keyboard' when 1249 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1250 * 1251 * Attempt to reset the controller twice -- this helps 1252 * pierce through some KVM switches. The second reset 1253 * is non-fatal. 1254 */ 1255 if (!reset_aux_dev(sc->kbdc)) { 1256 recover_from_error(sc->kbdc); 1257 restore_controller(sc->kbdc, command_byte); 1258 if (verbose) 1259 kprintf("psm%d: failed to reset the aux " 1260 "device.\n", unit); 1261 endprobe(ENXIO); 1262 } else if (!reset_aux_dev(sc->kbdc)) { 1263 recover_from_error(sc->kbdc); 1264 if (verbose >= 2) 1265 kprintf("psm%d: failed to reset the aux device " 1266 "(2).\n", unit); 1267 } 1268 } 1269 1270 /* 1271 * both the aux port and the aux device is functioning, see if the 1272 * device can be enabled. NOTE: when enabled, the device will start 1273 * sending data; we shall immediately disable the device once we know 1274 * the device can be enabled. 1275 */ 1276 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1277 /* MOUSE ERROR */ 1278 recover_from_error(sc->kbdc); 1279 restore_controller(sc->kbdc, command_byte); 1280 if (verbose) 1281 kprintf("psm%d: failed to enable the aux device.\n", 1282 unit); 1283 endprobe(ENXIO); 1284 } 1285 1286 /* save the default values after reset */ 1287 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1288 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1289 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1290 } else { 1291 sc->dflt_mode.rate = sc->mode.rate = -1; 1292 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1293 } 1294 1295 /* hardware information */ 1296 sc->hw.iftype = MOUSE_IF_PS2; 1297 1298 /* verify the device is a mouse */ 1299 sc->hw.hwid = get_aux_id(sc->kbdc); 1300 if (!is_a_mouse(sc->hw.hwid)) { 1301 restore_controller(sc->kbdc, command_byte); 1302 if (verbose) 1303 kprintf("psm%d: unknown device type (%d).\n", unit, 1304 sc->hw.hwid); 1305 endprobe(ENXIO); 1306 } 1307 switch (sc->hw.hwid) { 1308 case PSM_BALLPOINT_ID: 1309 sc->hw.type = MOUSE_TRACKBALL; 1310 break; 1311 case PSM_MOUSE_ID: 1312 case PSM_INTELLI_ID: 1313 case PSM_EXPLORER_ID: 1314 case PSM_4DMOUSE_ID: 1315 case PSM_4DPLUS_ID: 1316 sc->hw.type = MOUSE_MOUSE; 1317 break; 1318 default: 1319 sc->hw.type = MOUSE_UNKNOWN; 1320 break; 1321 } 1322 1323 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1324 sc->hw.buttons = 2; 1325 i = GENERIC_MOUSE_ENTRY; 1326 } else { 1327 /* # of buttons */ 1328 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1329 1330 /* other parameters */ 1331 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1332 if ((*vendortype[i].probefunc)(sc)) { 1333 if (verbose >= 2) 1334 kprintf("psm%d: found %s\n", unit, 1335 model_name(vendortype[i].model)); 1336 break; 1337 } 1338 } 1339 1340 sc->hw.model = vendortype[i].model; 1341 1342 sc->dflt_mode.level = PSM_LEVEL_BASE; 1343 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1344 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1345 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1346 sc->dflt_mode.syncmask[0] = 0; 1347 else 1348 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1349 if (sc->config & PSM_CONFIG_FORCETAP) 1350 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1351 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1352 sc->mode = sc->dflt_mode; 1353 sc->mode.packetsize = vendortype[i].packetsize; 1354 1355 /* set mouse parameters */ 1356 #if 0 1357 /* 1358 * A version of Logitech FirstMouse+ won't report wheel movement, 1359 * if SET_DEFAULTS is sent... Don't use this command. 1360 * This fix was found by Takashi Nishida. 1361 */ 1362 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1363 if (verbose >= 2) 1364 kprintf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1365 #endif 1366 if (sc->config & PSM_CONFIG_RESOLUTION) 1367 sc->mode.resolution = 1368 set_mouse_resolution(sc->kbdc, 1369 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1370 else if (sc->mode.resolution >= 0) 1371 sc->mode.resolution = 1372 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1373 if (sc->mode.rate > 0) 1374 sc->mode.rate = 1375 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1376 set_mouse_scaling(sc->kbdc, 1); 1377 1378 /* Record sync on the next data packet we see. */ 1379 sc->flags |= PSM_NEED_SYNCBITS; 1380 1381 /* just check the status of the mouse */ 1382 /* 1383 * NOTE: XXX there are some arcane controller/mouse combinations out 1384 * there, which hung the controller unless there is data transmission 1385 * after ACK from the mouse. 1386 */ 1387 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1388 kprintf("psm%d: failed to get status.\n", unit); 1389 else { 1390 /* 1391 * When in its native mode, some mice operate with different 1392 * default parameters than in the PS/2 compatible mode. 1393 */ 1394 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1395 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1396 } 1397 1398 /* disable the aux port for now... */ 1399 if (!set_controller_command_byte(sc->kbdc, 1400 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1401 (command_byte & KBD_KBD_CONTROL_BITS) | 1402 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1403 /* 1404 * this is CONTROLLER ERROR; I don't know the proper way to 1405 * recover from this error... 1406 */ 1407 restore_controller(sc->kbdc, command_byte); 1408 kprintf("psm%d: unable to set the command byte.\n", unit); 1409 endprobe(ENXIO); 1410 } 1411 1412 /* done */ 1413 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1414 kbdc_lock(sc->kbdc, FALSE); 1415 return (0); 1416 } 1417 1418 static int 1419 psmattach(device_t dev) 1420 { 1421 int unit = device_get_unit(dev); 1422 struct psm_softc *sc = device_get_softc(dev); 1423 int error; 1424 intptr_t irq; 1425 int rid; 1426 1427 /* Setup initial state */ 1428 sc->state = PSM_VALID; 1429 callout_init(&sc->callout); 1430 callout_init(&sc->softcallout); 1431 1432 /* Setup our interrupt handler */ 1433 rid = KBDC_RID_AUX; 1434 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 1435 sc->intr = bus_alloc_legacy_irq_resource(dev, &rid, irq, RF_ACTIVE); 1436 1437 if (sc->intr == NULL) 1438 return (ENXIO); 1439 error = BUS_SETUP_INTR(device_get_parent(dev), dev, sc->intr, 1440 INTR_NOPOLL, psmintr, sc, &sc->ih, NULL, NULL); 1441 if (error) { 1442 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1443 return (error); 1444 } 1445 1446 /* Done */ 1447 make_dev(&psm_ops, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, "psm%d", unit); 1448 make_dev(&psm_ops, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, "bpsm%d", unit); 1449 1450 if (!verbose) 1451 kprintf("psm%d: model %s, device ID %d\n", 1452 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1453 else { 1454 kprintf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1455 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1456 sc->hw.hwid >> 8, sc->hw.buttons); 1457 kprintf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1458 unit, sc->config, sc->flags, sc->mode.packetsize); 1459 kprintf("psm%d: syncmask:%02x, syncbits:%02x\n", 1460 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1461 } 1462 1463 if (bootverbose) 1464 --verbose; 1465 1466 return (0); 1467 } 1468 1469 static int 1470 psmdetach(device_t dev) 1471 { 1472 struct psm_softc *sc; 1473 int rid; 1474 1475 sc = device_get_softc(dev); 1476 if (sc->state & PSM_OPEN) 1477 return (EBUSY); 1478 1479 rid = KBDC_RID_AUX; 1480 bus_teardown_intr(dev, sc->intr, sc->ih); 1481 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1482 1483 destroy_dev(sc->dev); 1484 destroy_dev(sc->bdev); 1485 1486 return (0); 1487 } 1488 1489 static int 1490 psmopen(struct dev_open_args *ap) 1491 { 1492 cdev_t dev = ap->a_head.a_dev; 1493 int unit = PSM_UNIT(dev); 1494 struct psm_softc *sc; 1495 int command_byte; 1496 int err; 1497 1498 /* Get device data */ 1499 sc = PSM_SOFTC(unit); 1500 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1501 /* the device is no longer valid/functioning */ 1502 return (ENXIO); 1503 } 1504 1505 /* Disallow multiple opens */ 1506 if (sc->state & PSM_OPEN) 1507 return (EBUSY); 1508 1509 #if 0 1510 device_busy(devclass_get_device(psm_devclass, sc->unit)); 1511 #endif 1512 1513 /* Initialize state */ 1514 sc->mode.level = sc->dflt_mode.level; 1515 sc->mode.protocol = sc->dflt_mode.protocol; 1516 sc->watchdog = FALSE; 1517 sc->async = NULL; 1518 1519 /* flush the event queue */ 1520 sc->queue.count = 0; 1521 sc->queue.head = 0; 1522 sc->queue.tail = 0; 1523 sc->status.flags = 0; 1524 sc->status.button = 0; 1525 sc->status.obutton = 0; 1526 sc->status.dx = 0; 1527 sc->status.dy = 0; 1528 sc->status.dz = 0; 1529 sc->button = 0; 1530 sc->pqueue_start = 0; 1531 sc->pqueue_end = 0; 1532 1533 /* empty input buffer */ 1534 flushpackets(sc); 1535 sc->syncerrors = 0; 1536 sc->pkterrors = 0; 1537 1538 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1539 if (!kbdc_lock(sc->kbdc, TRUE)) 1540 return (EIO); 1541 1542 /* save the current controller command byte */ 1543 crit_enter(); 1544 command_byte = get_controller_command_byte(sc->kbdc); 1545 1546 /* enable the aux port and temporalily disable the keyboard */ 1547 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1548 kbdc_get_device_mask(sc->kbdc), 1549 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1550 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1551 /* CONTROLLER ERROR; do you know how to get out of this? */ 1552 kbdc_lock(sc->kbdc, FALSE); 1553 crit_exit(); 1554 log(LOG_ERR, 1555 "psm%d: unable to set the command byte (psmopen).\n", 1556 sc->unit); 1557 return (EIO); 1558 } 1559 /* 1560 * Now that the keyboard controller is told not to generate 1561 * the keyboard and mouse interrupts, call `splx()' to allow 1562 * the other tty interrupts. The clock interrupt may also occur, 1563 * but timeout routines will be blocked by the poll flag set 1564 * via `kbdc_lock()' 1565 */ 1566 crit_exit(); 1567 1568 /* enable the mouse device */ 1569 err = doopen(sc, command_byte); 1570 1571 /* done */ 1572 if (err == 0) 1573 sc->state |= PSM_OPEN; 1574 kbdc_lock(sc->kbdc, FALSE); 1575 return (err); 1576 } 1577 1578 static int 1579 psmclose(struct dev_close_args *ap) 1580 { 1581 cdev_t dev = ap->a_head.a_dev; 1582 int unit = PSM_UNIT(dev); 1583 struct psm_softc *sc = PSM_SOFTC(unit); 1584 int stat[3]; 1585 int command_byte; 1586 1587 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1588 if (!kbdc_lock(sc->kbdc, TRUE)) 1589 return (EIO); 1590 1591 /* save the current controller command byte */ 1592 crit_enter(); 1593 command_byte = get_controller_command_byte(sc->kbdc); 1594 if (command_byte == -1) { 1595 kbdc_lock(sc->kbdc, FALSE); 1596 crit_exit(); 1597 return (EIO); 1598 } 1599 1600 /* disable the aux interrupt and temporalily disable the keyboard */ 1601 if (!set_controller_command_byte(sc->kbdc, 1602 kbdc_get_device_mask(sc->kbdc), 1603 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1604 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1605 log(LOG_ERR, 1606 "psm%d: failed to disable the aux int (psmclose).\n", 1607 sc->unit); 1608 /* CONTROLLER ERROR; 1609 * NOTE: we shall force our way through. Because the only 1610 * ill effect we shall see is that we may not be able 1611 * to read ACK from the mouse, and it doesn't matter much 1612 * so long as the mouse will accept the DISABLE command. 1613 */ 1614 } 1615 crit_exit(); 1616 1617 /* stop the watchdog timer */ 1618 callout_stop(&sc->callout); 1619 1620 /* remove anything left in the output buffer */ 1621 empty_aux_buffer(sc->kbdc, 10); 1622 1623 /* disable the aux device, port and interrupt */ 1624 if (sc->state & PSM_VALID) { 1625 if (!disable_aux_dev(sc->kbdc)) { 1626 /* MOUSE ERROR; 1627 * NOTE: we don't return (error) and continue, 1628 * pretending we have successfully disabled the device. 1629 * It's OK because the interrupt routine will discard 1630 * any data from the mouse hereafter. 1631 */ 1632 log(LOG_ERR, 1633 "psm%d: failed to disable the device (psmclose).\n", 1634 sc->unit); 1635 } 1636 1637 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1638 log(LOG_DEBUG, 1639 "psm%d: failed to get status (psmclose).\n", 1640 sc->unit); 1641 } 1642 1643 if (!set_controller_command_byte(sc->kbdc, 1644 kbdc_get_device_mask(sc->kbdc), 1645 (command_byte & KBD_KBD_CONTROL_BITS) | 1646 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1647 /* 1648 * CONTROLLER ERROR; 1649 * we shall ignore this error; see the above comment. 1650 */ 1651 log(LOG_ERR, 1652 "psm%d: failed to disable the aux port (psmclose).\n", 1653 sc->unit); 1654 } 1655 1656 /* remove anything left in the output buffer */ 1657 empty_aux_buffer(sc->kbdc, 10); 1658 1659 /* close is almost always successful */ 1660 sc->state &= ~PSM_OPEN; 1661 kbdc_lock(sc->kbdc, FALSE); 1662 #if 0 1663 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 1664 #endif 1665 return (0); 1666 } 1667 1668 static int 1669 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1670 u_char *buf) 1671 { 1672 static u_char butmapps2[8] = { 1673 0, 1674 MOUSE_PS2_BUTTON1DOWN, 1675 MOUSE_PS2_BUTTON2DOWN, 1676 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1677 MOUSE_PS2_BUTTON3DOWN, 1678 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1679 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1680 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1681 MOUSE_PS2_BUTTON3DOWN, 1682 }; 1683 static u_char butmapmsc[8] = { 1684 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1685 MOUSE_MSC_BUTTON3UP, 1686 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1687 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1688 MOUSE_MSC_BUTTON3UP, 1689 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1690 MOUSE_MSC_BUTTON2UP, 1691 MOUSE_MSC_BUTTON1UP, 1692 0, 1693 }; 1694 int mapped; 1695 int i; 1696 1697 if (sc->mode.level == PSM_LEVEL_BASE) { 1698 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1699 if (status->button & MOUSE_BUTTON4DOWN) 1700 mapped |= MOUSE_BUTTON1DOWN; 1701 status->button = mapped; 1702 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1703 i = imax(imin(status->dx, 255), -256); 1704 if (i < 0) 1705 buf[0] |= MOUSE_PS2_XNEG; 1706 buf[1] = i; 1707 i = imax(imin(status->dy, 255), -256); 1708 if (i < 0) 1709 buf[0] |= MOUSE_PS2_YNEG; 1710 buf[2] = i; 1711 return (MOUSE_PS2_PACKETSIZE); 1712 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1713 buf[0] = MOUSE_MSC_SYNC | 1714 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1715 i = imax(imin(status->dx, 255), -256); 1716 buf[1] = i >> 1; 1717 buf[3] = i - buf[1]; 1718 i = imax(imin(status->dy, 255), -256); 1719 buf[2] = i >> 1; 1720 buf[4] = i - buf[2]; 1721 i = imax(imin(status->dz, 127), -128); 1722 buf[5] = (i >> 1) & 0x7f; 1723 buf[6] = (i - (i >> 1)) & 0x7f; 1724 buf[7] = (~status->button >> 3) & 0x7f; 1725 return (MOUSE_SYS_PACKETSIZE); 1726 } 1727 return (pb->inputbytes); 1728 } 1729 1730 static int 1731 psmread(struct dev_read_args *ap) 1732 { 1733 cdev_t dev = ap->a_head.a_dev; 1734 struct uio *uio = ap->a_uio; 1735 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1736 u_char buf[PSM_SMALLBUFSIZE]; 1737 int error = 0; 1738 int l; 1739 1740 if ((sc->state & PSM_VALID) == 0) 1741 return (EIO); 1742 1743 /* block until mouse activity occured */ 1744 crit_enter(); 1745 while (sc->queue.count <= 0) { 1746 if (dev != sc->bdev) { 1747 crit_exit(); 1748 return (EWOULDBLOCK); 1749 } 1750 sc->state |= PSM_ASLP; 1751 error = tsleep((caddr_t) sc, PCATCH, "psmrea", 0); 1752 sc->state &= ~PSM_ASLP; 1753 if (error) { 1754 crit_exit(); 1755 return (error); 1756 } else if ((sc->state & PSM_VALID) == 0) { 1757 /* the device disappeared! */ 1758 crit_exit(); 1759 return (EIO); 1760 } 1761 } 1762 crit_exit(); 1763 1764 /* copy data to the user land */ 1765 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1766 crit_enter(); 1767 l = imin(sc->queue.count, uio->uio_resid); 1768 if (l > sizeof(buf)) 1769 l = sizeof(buf); 1770 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1771 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1772 sizeof(sc->queue.buf) - sc->queue.head); 1773 bcopy(&sc->queue.buf[0], 1774 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1775 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1776 } else 1777 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1778 sc->queue.count -= l; 1779 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1780 crit_exit(); 1781 error = uiomove(buf, (size_t)l, uio); 1782 if (error) 1783 break; 1784 } 1785 1786 return (error); 1787 } 1788 1789 static int 1790 block_mouse_data(struct psm_softc *sc, int *c) 1791 { 1792 1793 if (!kbdc_lock(sc->kbdc, TRUE)) 1794 return (EIO); 1795 1796 crit_enter(); 1797 *c = get_controller_command_byte(sc->kbdc); 1798 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1799 kbdc_get_device_mask(sc->kbdc), 1800 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1801 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1802 /* this is CONTROLLER ERROR */ 1803 crit_exit(); 1804 kbdc_lock(sc->kbdc, FALSE); 1805 return (EIO); 1806 } 1807 1808 /* 1809 * The device may be in the middle of status data transmission. 1810 * The transmission will be interrupted, thus, incomplete status 1811 * data must be discarded. Although the aux interrupt is disabled 1812 * at the keyboard controller level, at most one aux interrupt 1813 * may have already been pending and a data byte is in the 1814 * output buffer; throw it away. Note that the second argument 1815 * to `empty_aux_buffer()' is zero, so that the call will just 1816 * flush the internal queue. 1817 * `psmintr()' will be invoked after `splx()' if an interrupt is 1818 * pending; it will see no data and returns immediately. 1819 */ 1820 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1821 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1822 flushpackets(sc); 1823 crit_exit(); 1824 1825 return (0); 1826 } 1827 1828 static void 1829 dropqueue(struct psm_softc *sc) 1830 { 1831 1832 sc->queue.count = 0; 1833 sc->queue.head = 0; 1834 sc->queue.tail = 0; 1835 if ((sc->state & PSM_SOFTARMED) != 0) { 1836 sc->state &= ~PSM_SOFTARMED; 1837 callout_stop(&sc->softcallout); 1838 } 1839 sc->pqueue_start = sc->pqueue_end; 1840 } 1841 1842 static void 1843 flushpackets(struct psm_softc *sc) 1844 { 1845 1846 dropqueue(sc); 1847 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1848 } 1849 1850 static int 1851 unblock_mouse_data(struct psm_softc *sc, int c) 1852 { 1853 int error = 0; 1854 1855 /* 1856 * We may have seen a part of status data during `set_mouse_XXX()'. 1857 * they have been queued; flush it. 1858 */ 1859 empty_aux_buffer(sc->kbdc, 0); 1860 1861 /* restore ports and interrupt */ 1862 if (!set_controller_command_byte(sc->kbdc, 1863 kbdc_get_device_mask(sc->kbdc), 1864 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1865 /* 1866 * CONTROLLER ERROR; this is serious, we may have 1867 * been left with the inaccessible keyboard and 1868 * the disabled mouse interrupt. 1869 */ 1870 error = EIO; 1871 } 1872 1873 kbdc_lock(sc->kbdc, FALSE); 1874 return (error); 1875 } 1876 1877 static int 1878 psmwrite(struct dev_write_args *ap) 1879 { 1880 cdev_t dev = ap->a_head.a_dev; 1881 struct uio *uio = ap->a_uio; 1882 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1883 u_char buf[PSM_SMALLBUFSIZE]; 1884 int error = 0, i, l; 1885 1886 if ((sc->state & PSM_VALID) == 0) 1887 return (EIO); 1888 1889 if (sc->mode.level < PSM_LEVEL_NATIVE) 1890 return (ENODEV); 1891 1892 /* copy data from the user land */ 1893 while (uio->uio_resid > 0) { 1894 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1895 error = uiomove(buf, l, uio); 1896 if (error) 1897 break; 1898 for (i = 0; i < l; i++) { 1899 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1900 if (!write_aux_command(sc->kbdc, buf[i])) { 1901 VLOG(2, (LOG_DEBUG, 1902 "psm: cmd 0x%x failed.\n", buf[i])); 1903 return (reinitialize(sc, FALSE)); 1904 } 1905 } 1906 } 1907 1908 return (error); 1909 } 1910 1911 static int 1912 psmioctl(struct dev_ioctl_args *ap) 1913 { 1914 cdev_t dev = ap->a_head.a_dev; 1915 caddr_t addr= ap->a_data; 1916 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1917 mousemode_t mode; 1918 mousestatus_t status; 1919 #if (defined(MOUSE_GETVARS)) 1920 mousevar_t *var; 1921 #endif 1922 mousedata_t *data; 1923 int stat[3]; 1924 int command_byte; 1925 int error = 0; 1926 1927 mode.resolution = -1; 1928 1929 /* Perform IOCTL command */ 1930 switch (ap->a_cmd) { 1931 1932 case OLD_MOUSE_GETHWINFO: 1933 crit_enter(); 1934 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1935 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1936 ((old_mousehw_t *)addr)->type = sc->hw.type; 1937 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1938 crit_exit(); 1939 break; 1940 1941 case MOUSE_GETHWINFO: 1942 crit_enter(); 1943 *(mousehw_t *)addr = sc->hw; 1944 if (sc->mode.level == PSM_LEVEL_BASE) 1945 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1946 crit_exit(); 1947 break; 1948 1949 case MOUSE_SYN_GETHWINFO: 1950 crit_enter(); 1951 if (synaptics_support && sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1952 *(synapticshw_t *)addr = sc->synhw; 1953 else 1954 error = EINVAL; 1955 crit_exit(); 1956 break; 1957 1958 case OLD_MOUSE_GETMODE: 1959 crit_enter(); 1960 switch (sc->mode.level) { 1961 case PSM_LEVEL_BASE: 1962 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1963 break; 1964 case PSM_LEVEL_STANDARD: 1965 ((old_mousemode_t *)addr)->protocol = 1966 MOUSE_PROTO_SYSMOUSE; 1967 break; 1968 case PSM_LEVEL_NATIVE: 1969 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1970 break; 1971 } 1972 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1973 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1974 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1975 crit_exit(); 1976 break; 1977 1978 case MOUSE_GETMODE: 1979 crit_enter(); 1980 *(mousemode_t *)addr = sc->mode; 1981 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 1982 ((mousemode_t *)addr)->syncmask[0] = 0; 1983 ((mousemode_t *)addr)->syncmask[1] = 0; 1984 } 1985 ((mousemode_t *)addr)->resolution = 1986 MOUSE_RES_LOW - sc->mode.resolution; 1987 switch (sc->mode.level) { 1988 case PSM_LEVEL_BASE: 1989 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1990 ((mousemode_t *)addr)->packetsize = 1991 MOUSE_PS2_PACKETSIZE; 1992 break; 1993 case PSM_LEVEL_STANDARD: 1994 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1995 ((mousemode_t *)addr)->packetsize = 1996 MOUSE_SYS_PACKETSIZE; 1997 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1998 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1999 break; 2000 case PSM_LEVEL_NATIVE: 2001 /* FIXME: this isn't quite correct... XXX */ 2002 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2003 break; 2004 } 2005 crit_exit(); 2006 break; 2007 2008 case OLD_MOUSE_SETMODE: 2009 case MOUSE_SETMODE: 2010 if (ap->a_cmd == OLD_MOUSE_SETMODE) { 2011 mode.rate = ((old_mousemode_t *)addr)->rate; 2012 /* 2013 * resolution old I/F new I/F 2014 * default 0 0 2015 * low 1 -2 2016 * medium low 2 -3 2017 * medium high 3 -4 2018 * high 4 -5 2019 */ 2020 if (((old_mousemode_t *)addr)->resolution > 0) 2021 mode.resolution = 2022 -((old_mousemode_t *)addr)->resolution - 1; 2023 else 2024 mode.resolution = 0; 2025 mode.accelfactor = 2026 ((old_mousemode_t *)addr)->accelfactor; 2027 mode.level = -1; 2028 } else 2029 mode = *(mousemode_t *)addr; 2030 2031 /* adjust and validate parameters. */ 2032 if (mode.rate > UCHAR_MAX) 2033 return (EINVAL); 2034 if (mode.rate == 0) 2035 mode.rate = sc->dflt_mode.rate; 2036 else if (mode.rate == -1) 2037 /* don't change the current setting */ 2038 ; 2039 else if (mode.rate < 0) 2040 return (EINVAL); 2041 if (mode.resolution >= UCHAR_MAX) 2042 return (EINVAL); 2043 if (mode.resolution >= 200) 2044 mode.resolution = MOUSE_RES_HIGH; 2045 else if (mode.resolution >= 100) 2046 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2047 else if (mode.resolution >= 50) 2048 mode.resolution = MOUSE_RES_MEDIUMLOW; 2049 else if (mode.resolution > 0) 2050 mode.resolution = MOUSE_RES_LOW; 2051 if (mode.resolution == MOUSE_RES_DEFAULT) 2052 mode.resolution = sc->dflt_mode.resolution; 2053 else if (mode.resolution == -1) 2054 /* don't change the current setting */ 2055 ; 2056 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2057 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2058 if (mode.level == -1) 2059 /* don't change the current setting */ 2060 mode.level = sc->mode.level; 2061 else if ((mode.level < PSM_LEVEL_MIN) || 2062 (mode.level > PSM_LEVEL_MAX)) 2063 return (EINVAL); 2064 if (mode.accelfactor == -1) 2065 /* don't change the current setting */ 2066 mode.accelfactor = sc->mode.accelfactor; 2067 else if (mode.accelfactor < 0) 2068 return (EINVAL); 2069 2070 /* don't allow anybody to poll the keyboard controller */ 2071 error = block_mouse_data(sc, &command_byte); 2072 if (error) 2073 return (error); 2074 2075 /* set mouse parameters */ 2076 if (mode.rate > 0) 2077 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2078 mode.rate); 2079 if (mode.resolution >= 0) 2080 mode.resolution = 2081 set_mouse_resolution(sc->kbdc, mode.resolution); 2082 set_mouse_scaling(sc->kbdc, 1); 2083 get_mouse_status(sc->kbdc, stat, 0, 3); 2084 2085 crit_enter(); 2086 sc->mode.rate = mode.rate; 2087 sc->mode.resolution = mode.resolution; 2088 sc->mode.accelfactor = mode.accelfactor; 2089 sc->mode.level = mode.level; 2090 crit_exit(); 2091 2092 unblock_mouse_data(sc, command_byte); 2093 break; 2094 2095 case MOUSE_GETLEVEL: 2096 *(int *)addr = sc->mode.level; 2097 break; 2098 2099 case MOUSE_SETLEVEL: 2100 if ((*(int *)addr < PSM_LEVEL_MIN) || 2101 (*(int *)addr > PSM_LEVEL_MAX)) 2102 return (EINVAL); 2103 sc->mode.level = *(int *)addr; 2104 break; 2105 2106 case MOUSE_GETSTATUS: 2107 crit_enter(); 2108 status = sc->status; 2109 sc->status.flags = 0; 2110 sc->status.obutton = sc->status.button; 2111 sc->status.button = 0; 2112 sc->status.dx = 0; 2113 sc->status.dy = 0; 2114 sc->status.dz = 0; 2115 crit_exit(); 2116 *(mousestatus_t *)addr = status; 2117 break; 2118 2119 #if (defined(MOUSE_GETVARS)) 2120 case MOUSE_GETVARS: 2121 var = (mousevar_t *)addr; 2122 bzero(var, sizeof(*var)); 2123 crit_enter(); 2124 var->var[0] = MOUSE_VARS_PS2_SIG; 2125 var->var[1] = sc->config; 2126 var->var[2] = sc->flags; 2127 crit_exit(); 2128 break; 2129 2130 case MOUSE_SETVARS: 2131 return (ENODEV); 2132 #endif /* MOUSE_GETVARS */ 2133 2134 case MOUSE_READSTATE: 2135 case MOUSE_READDATA: 2136 data = (mousedata_t *)addr; 2137 if (data->len > NELEM(data->buf)) 2138 return (EINVAL); 2139 2140 error = block_mouse_data(sc, &command_byte); 2141 if (error) 2142 return (error); 2143 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2144 (ap->a_cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2145 error = EIO; 2146 unblock_mouse_data(sc, command_byte); 2147 break; 2148 2149 #if (defined(MOUSE_SETRESOLUTION)) 2150 case MOUSE_SETRESOLUTION: 2151 mode.resolution = *(int *)addr; 2152 if (mode.resolution >= UCHAR_MAX) 2153 return (EINVAL); 2154 else if (mode.resolution >= 200) 2155 mode.resolution = MOUSE_RES_HIGH; 2156 else if (mode.resolution >= 100) 2157 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2158 else if (mode.resolution >= 50) 2159 mode.resolution = MOUSE_RES_MEDIUMLOW; 2160 else if (mode.resolution > 0) 2161 mode.resolution = MOUSE_RES_LOW; 2162 if (mode.resolution == MOUSE_RES_DEFAULT) 2163 mode.resolution = sc->dflt_mode.resolution; 2164 else if (mode.resolution == -1) 2165 mode.resolution = sc->mode.resolution; 2166 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2167 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2168 2169 error = block_mouse_data(sc, &command_byte); 2170 if (error) 2171 return (error); 2172 sc->mode.resolution = 2173 set_mouse_resolution(sc->kbdc, mode.resolution); 2174 if (sc->mode.resolution != mode.resolution) 2175 error = EIO; 2176 unblock_mouse_data(sc, command_byte); 2177 break; 2178 #endif /* MOUSE_SETRESOLUTION */ 2179 2180 #if (defined(MOUSE_SETRATE)) 2181 case MOUSE_SETRATE: 2182 mode.rate = *(int *)addr; 2183 if (mode.rate > UCHAR_MAX) 2184 return (EINVAL); 2185 if (mode.rate == 0) 2186 mode.rate = sc->dflt_mode.rate; 2187 else if (mode.rate < 0) 2188 mode.rate = sc->mode.rate; 2189 2190 error = block_mouse_data(sc, &command_byte); 2191 if (error) 2192 return (error); 2193 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2194 if (sc->mode.rate != mode.rate) 2195 error = EIO; 2196 unblock_mouse_data(sc, command_byte); 2197 break; 2198 #endif /* MOUSE_SETRATE */ 2199 2200 #if (defined(MOUSE_SETSCALING)) 2201 case MOUSE_SETSCALING: 2202 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2203 return (EINVAL); 2204 2205 error = block_mouse_data(sc, &command_byte); 2206 if (error) 2207 return (error); 2208 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2209 error = EIO; 2210 unblock_mouse_data(sc, command_byte); 2211 break; 2212 #endif /* MOUSE_SETSCALING */ 2213 2214 #if (defined(MOUSE_GETHWID)) 2215 case MOUSE_GETHWID: 2216 error = block_mouse_data(sc, &command_byte); 2217 if (error) 2218 return (error); 2219 sc->hw.hwid &= ~0x00ff; 2220 sc->hw.hwid |= get_aux_id(sc->kbdc); 2221 *(int *)addr = sc->hw.hwid & 0x00ff; 2222 unblock_mouse_data(sc, command_byte); 2223 break; 2224 #endif /* MOUSE_GETHWID */ 2225 2226 default: 2227 return (ENOTTY); 2228 } 2229 2230 return (error); 2231 } 2232 2233 static void 2234 psmtimeout(void *arg) 2235 { 2236 struct psm_softc *sc; 2237 2238 sc = (struct psm_softc *)arg; 2239 crit_enter(); 2240 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2241 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2242 psmintr(sc); 2243 kbdc_lock(sc->kbdc, FALSE); 2244 } 2245 sc->watchdog = TRUE; 2246 crit_exit(); 2247 callout_reset(&sc->callout, hz, psmtimeout, (void *)(uintptr_t)sc); 2248 } 2249 2250 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2251 SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2252 SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2253 2254 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2255 "Verbosity level"); 2256 2257 static int psmhz = 20; 2258 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2259 "Frequency of the softcallout (in hz)"); 2260 static int psmerrsecs = 2; 2261 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2262 "Number of seconds during which packets will dropped after a sync error"); 2263 static int psmerrusecs = 0; 2264 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2265 "Microseconds to add to psmerrsecs"); 2266 static int psmsecs = 0; 2267 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2268 "Max number of seconds between soft interrupts"); 2269 static int psmusecs = 500000; 2270 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2271 "Microseconds to add to psmsecs"); 2272 static int pkterrthresh = 2; 2273 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2274 "Number of error packets allowed before reinitializing the mouse"); 2275 2276 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RW, &tap_enabled, 0, 2277 "Enable tap and drag gestures"); 2278 static int tap_threshold = PSM_TAP_THRESHOLD; 2279 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2280 "Button tap threshold"); 2281 static int tap_timeout = PSM_TAP_TIMEOUT; 2282 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2283 "Tap timeout for touchpads"); 2284 2285 static void 2286 psmintr(void *arg) 2287 { 2288 struct psm_softc *sc = arg; 2289 struct timeval now; 2290 int c; 2291 packetbuf_t *pb; 2292 2293 2294 /* read until there is nothing to read */ 2295 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2296 pb = &sc->pqueue[sc->pqueue_end]; 2297 2298 /* discard the byte if the device is not open */ 2299 if ((sc->state & PSM_OPEN) == 0) 2300 continue; 2301 2302 getmicrouptime(&now); 2303 if ((pb->inputbytes > 0) && 2304 timevalcmp(&now, &sc->inputtimeout, >)) { 2305 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2306 "resetting byte count\n")); 2307 pb->inputbytes = 0; 2308 sc->syncerrors = 0; 2309 sc->pkterrors = 0; 2310 } 2311 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2312 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2313 timevaladd(&sc->inputtimeout, &now); 2314 2315 pb->ipacket[pb->inputbytes++] = c; 2316 2317 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2318 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2319 sc->syncerrors = 0; 2320 sc->pkterrors = 0; 2321 goto next; 2322 } else { 2323 if (pb->inputbytes < sc->mode.packetsize) 2324 continue; 2325 2326 VLOG(4, (LOG_DEBUG, 2327 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2328 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2329 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2330 } 2331 2332 c = pb->ipacket[0]; 2333 2334 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2335 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2336 sc->flags &= ~PSM_NEED_SYNCBITS; 2337 VLOG(2, (LOG_DEBUG, 2338 "psmintr: Sync bytes now %04x,%04x\n", 2339 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2340 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2341 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2342 "(%04x != %04x) %d cmds since last error.\n", 2343 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2344 sc->cmdcount - sc->lasterr)); 2345 sc->lasterr = sc->cmdcount; 2346 /* 2347 * The sync byte test is a weak measure of packet 2348 * validity. Conservatively discard any input yet 2349 * to be seen by userland when we detect a sync 2350 * error since there is a good chance some of 2351 * the queued packets have undetected errors. 2352 */ 2353 dropqueue(sc); 2354 if (sc->syncerrors == 0) 2355 sc->pkterrors++; 2356 ++sc->syncerrors; 2357 sc->lastinputerr = now; 2358 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2359 sc->pkterrors >= pkterrthresh) { 2360 /* 2361 * If we've failed to find a single sync byte 2362 * in 2 packets worth of data, or we've seen 2363 * persistent packet errors during the 2364 * validation period, reinitialize the mouse 2365 * in hopes of returning it to the expected 2366 * mode. 2367 */ 2368 VLOG(3, (LOG_DEBUG, 2369 "psmintr: reset the mouse.\n")); 2370 reinitialize(sc, TRUE); 2371 } else if (sc->syncerrors == sc->mode.packetsize) { 2372 /* 2373 * Try a soft reset after searching for a sync 2374 * byte through a packet length of bytes. 2375 */ 2376 VLOG(3, (LOG_DEBUG, 2377 "psmintr: re-enable the mouse.\n")); 2378 pb->inputbytes = 0; 2379 disable_aux_dev(sc->kbdc); 2380 enable_aux_dev(sc->kbdc); 2381 } else { 2382 VLOG(3, (LOG_DEBUG, 2383 "psmintr: discard a byte (%d)\n", 2384 sc->syncerrors)); 2385 pb->inputbytes--; 2386 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2387 pb->inputbytes); 2388 } 2389 continue; 2390 } 2391 2392 /* 2393 * We have what appears to be a valid packet. 2394 * Reset the error counters. 2395 */ 2396 sc->syncerrors = 0; 2397 2398 /* 2399 * Drop even good packets if they occur within a timeout 2400 * period of a sync error. This allows the detection of 2401 * a change in the mouse's packet mode without exposing 2402 * erratic mouse behavior to the user. Some KVMs forget 2403 * enhanced mouse modes during switch events. 2404 */ 2405 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2406 &now)) { 2407 pb->inputbytes = 0; 2408 continue; 2409 } 2410 2411 /* 2412 * Now that we're out of the validation period, reset 2413 * the packet error count. 2414 */ 2415 sc->pkterrors = 0; 2416 2417 sc->cmdcount++; 2418 next: 2419 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2420 sc->pqueue_end = 0; 2421 /* 2422 * If we've filled the queue then call the softintr ourselves, 2423 * otherwise schedule the interrupt for later. 2424 */ 2425 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2426 (sc->pqueue_end == sc->pqueue_start)) { 2427 if ((sc->state & PSM_SOFTARMED) != 0) { 2428 sc->state &= ~PSM_SOFTARMED; 2429 callout_stop(&sc->softcallout); 2430 } 2431 psmsoftintr(arg); 2432 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2433 sc->state |= PSM_SOFTARMED; 2434 callout_reset(&sc->softcallout, psmhz < 1 ? 1 : (hz/psmhz), 2435 psmsoftintr, arg); 2436 } 2437 } 2438 } 2439 2440 static void 2441 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2442 int *x, int *y, int *z) 2443 { 2444 2445 /* 2446 * PS2++ protocl packet 2447 * 2448 * b7 b6 b5 b4 b3 b2 b1 b0 2449 * byte 1: * 1 p3 p2 1 * * * 2450 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2451 * 2452 * p3-p0: packet type 2453 * c1, c2: c1 & c2 == 1, if p2 == 0 2454 * c1 & c2 == 0, if p2 == 1 2455 * 2456 * packet type: 0 (device type) 2457 * See comments in enable_mmanplus() below. 2458 * 2459 * packet type: 1 (wheel data) 2460 * 2461 * b7 b6 b5 b4 b3 b2 b1 b0 2462 * byte 3: h * B5 B4 s d2 d1 d0 2463 * 2464 * h: 1, if horizontal roller data 2465 * 0, if vertical roller data 2466 * B4, B5: button 4 and 5 2467 * s: sign bit 2468 * d2-d0: roller data 2469 * 2470 * packet type: 2 (reserved) 2471 */ 2472 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2473 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2474 /* 2475 * the extended data packet encodes button 2476 * and wheel events 2477 */ 2478 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2479 case 1: 2480 /* wheel data packet */ 2481 *x = *y = 0; 2482 if (pb->ipacket[2] & 0x80) { 2483 /* XXX horizontal roller count - ignore it */ 2484 ; 2485 } else { 2486 /* vertical roller count */ 2487 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2488 (pb->ipacket[2] & 0x0f) - 16 : 2489 (pb->ipacket[2] & 0x0f); 2490 } 2491 ms->button |= (pb->ipacket[2] & 2492 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2493 MOUSE_BUTTON4DOWN : 0; 2494 ms->button |= (pb->ipacket[2] & 2495 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2496 MOUSE_BUTTON5DOWN : 0; 2497 break; 2498 case 2: 2499 /* 2500 * this packet type is reserved by 2501 * Logitech... 2502 */ 2503 /* 2504 * IBM ScrollPoint Mouse uses this 2505 * packet type to encode both vertical 2506 * and horizontal scroll movement. 2507 */ 2508 *x = *y = 0; 2509 /* horizontal count */ 2510 if (pb->ipacket[2] & 0x0f) 2511 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2512 -2 : 2; 2513 /* vertical count */ 2514 if (pb->ipacket[2] & 0xf0) 2515 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2516 -1 : 1; 2517 break; 2518 case 0: 2519 /* device type packet - shouldn't happen */ 2520 /* FALLTHROUGH */ 2521 default: 2522 *x = *y = 0; 2523 ms->button = ms->obutton; 2524 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2525 "type %d: 0x%02x 0x%02x 0x%02x\n", 2526 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2527 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2528 break; 2529 } 2530 } else { 2531 /* preserve button states */ 2532 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2533 } 2534 } 2535 2536 static int 2537 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2538 int *x, int *y, int *z) 2539 { 2540 static int touchpad_buttons; 2541 static int guest_buttons; 2542 int w, x0, y0; 2543 2544 /* TouchPad PS/2 absolute mode message format 2545 * 2546 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2547 * ------------------------------------------------ 2548 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2549 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2550 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2551 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2552 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2553 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2554 * 2555 * Legend: 2556 * L: left physical mouse button 2557 * R: right physical mouse button 2558 * D: down button 2559 * U: up button 2560 * W: "wrist" value 2561 * X: x position 2562 * Y: y position 2563 * Z: pressure 2564 * 2565 * Absolute reportable limits: 0 - 6143. 2566 * Typical bezel limits: 1472 - 5472. 2567 * Typical edge marings: 1632 - 5312. 2568 * 2569 * w = 3 Passthrough Packet 2570 * 2571 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2572 */ 2573 2574 if (!synaptics_support) 2575 return (0); 2576 2577 /* Sanity check for out of sync packets. */ 2578 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2579 (pb->ipacket[3] & 0xc8) != 0xc0) 2580 return (-1); 2581 2582 *x = *y = 0; 2583 2584 /* 2585 * Pressure value. 2586 * Interpretation: 2587 * z = 0 No finger contact 2588 * z = 10 Finger hovering near the pad 2589 * z = 30 Very light finger contact 2590 * z = 80 Normal finger contact 2591 * z = 110 Very heavy finger contact 2592 * z = 200 Finger lying flat on pad surface 2593 * z = 255 Maximum reportable Z 2594 */ 2595 *z = pb->ipacket[2]; 2596 2597 /* 2598 * Finger width value 2599 * Interpretation: 2600 * w = 0 Two finger on the pad (capMultiFinger needed) 2601 * w = 1 Three or more fingers (capMultiFinger needed) 2602 * w = 2 Pen (instead of finger) (capPen needed) 2603 * w = 3 Reserved (passthrough?) 2604 * w = 4-7 Finger of normal width (capPalmDetect needed) 2605 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2606 * w = 15 Maximum reportable width (capPalmDetect needed) 2607 */ 2608 /* XXX Is checking capExtended enough? */ 2609 if (sc->synhw.capExtended) 2610 w = ((pb->ipacket[0] & 0x30) >> 2) | 2611 ((pb->ipacket[0] & 0x04) >> 1) | 2612 ((pb->ipacket[3] & 0x04) >> 2); 2613 else { 2614 /* Assume a finger of regular width. */ 2615 w = 4; 2616 } 2617 2618 /* Handle packets from the guest device */ 2619 /* XXX Documentation? */ 2620 if (w == 3 && sc->synhw.capPassthrough) { 2621 *x = ((pb->ipacket[1] & 0x10) ? 2622 pb->ipacket[4] - 256 : pb->ipacket[4]); 2623 *y = ((pb->ipacket[1] & 0x20) ? 2624 pb->ipacket[5] - 256 : pb->ipacket[5]); 2625 *z = 0; 2626 2627 guest_buttons = 0; 2628 if (pb->ipacket[1] & 0x01) 2629 guest_buttons |= MOUSE_BUTTON1DOWN; 2630 if (pb->ipacket[1] & 0x04) 2631 guest_buttons |= MOUSE_BUTTON2DOWN; 2632 if (pb->ipacket[1] & 0x02) 2633 guest_buttons |= MOUSE_BUTTON3DOWN; 2634 2635 ms->button = touchpad_buttons | guest_buttons; 2636 goto SYNAPTICS_END; 2637 } 2638 2639 /* Button presses */ 2640 touchpad_buttons = 0; 2641 if (pb->ipacket[0] & 0x01) 2642 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2643 if (pb->ipacket[0] & 0x02) 2644 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2645 2646 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2647 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2648 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2649 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2650 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2651 } 2652 2653 /* 2654 * In newer pads - bit 0x02 in the third byte of 2655 * the packet indicates that we have an extended 2656 * button press. 2657 */ 2658 /* XXX Documentation? */ 2659 if (pb->ipacket[3] & 0x02) { 2660 /* 2661 * if directional_scrolls is not 1, we treat any of 2662 * the scrolling directions as middle-click. 2663 */ 2664 if (sc->syninfo.directional_scrolls) { 2665 if (pb->ipacket[4] & 0x01) 2666 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2667 if (pb->ipacket[5] & 0x01) 2668 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2669 if (pb->ipacket[4] & 0x02) 2670 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2671 if (pb->ipacket[5] & 0x02) 2672 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2673 } else { 2674 if ((pb->ipacket[4] & 0x0F) || 2675 (pb->ipacket[5] & 0x0F)) 2676 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2677 } 2678 } 2679 2680 ms->button = touchpad_buttons | guest_buttons; 2681 2682 /* Check pressure to detect a real wanted action on the 2683 * touchpad. */ 2684 if (*z >= sc->syninfo.min_pressure) { 2685 synapticsaction_t *synaction; 2686 int cursor, peer, window; 2687 int dx, dy, dxp, dyp; 2688 int max_width, max_pressure; 2689 int margin_top, margin_right, margin_bottom, margin_left; 2690 int na_top, na_right, na_bottom, na_left; 2691 int window_min, window_max; 2692 int multiplicator; 2693 int weight_current, weight_previous, weight_len_squared; 2694 int div_min, div_max, div_len; 2695 int vscroll_hor_area, vscroll_ver_area; 2696 2697 int len, weight_prev_x, weight_prev_y; 2698 int div_max_x, div_max_y, div_x, div_y; 2699 2700 /* Read sysctl. */ 2701 /* XXX Verify values? */ 2702 max_width = sc->syninfo.max_width; 2703 max_pressure = sc->syninfo.max_pressure; 2704 margin_top = sc->syninfo.margin_top; 2705 margin_right = sc->syninfo.margin_right; 2706 margin_bottom = sc->syninfo.margin_bottom; 2707 margin_left = sc->syninfo.margin_left; 2708 na_top = sc->syninfo.na_top; 2709 na_right = sc->syninfo.na_right; 2710 na_bottom = sc->syninfo.na_bottom; 2711 na_left = sc->syninfo.na_left; 2712 window_min = sc->syninfo.window_min; 2713 window_max = sc->syninfo.window_max; 2714 multiplicator = sc->syninfo.multiplicator; 2715 weight_current = sc->syninfo.weight_current; 2716 weight_previous = sc->syninfo.weight_previous; 2717 weight_len_squared = sc->syninfo.weight_len_squared; 2718 div_min = sc->syninfo.div_min; 2719 div_max = sc->syninfo.div_max; 2720 div_len = sc->syninfo.div_len; 2721 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2722 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2723 2724 /* Palm detection. */ 2725 if (!( 2726 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2727 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2728 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2729 (sc->synhw.capPen && w == 2))) { 2730 /* 2731 * We consider the packet irrelevant for the current 2732 * action when: 2733 * - the width isn't comprised in: 2734 * [4; max_width] 2735 * - the pressure isn't comprised in: 2736 * [min_pressure; max_pressure] 2737 * - pen aren't supported but w is 2 2738 * 2739 * Note that this doesn't terminate the current action. 2740 */ 2741 VLOG(2, (LOG_DEBUG, 2742 "synaptics: palm detected! (%d)\n", w)); 2743 goto SYNAPTICS_END; 2744 } 2745 2746 /* Read current absolute position. */ 2747 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2748 ((pb->ipacket[1] & 0x0f) << 8) | 2749 pb->ipacket[4]; 2750 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2751 ((pb->ipacket[1] & 0xf0) << 4) | 2752 pb->ipacket[5]; 2753 2754 synaction = &(sc->synaction); 2755 2756 /* 2757 * If the action is just beginning, init the structure and 2758 * compute tap timeout. 2759 */ 2760 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2761 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2762 2763 /* Store the first point of this action. */ 2764 synaction->start_x = x0; 2765 synaction->start_y = y0; 2766 dx = dy = 0; 2767 2768 /* Initialize queue. */ 2769 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2770 synaction->queue_len = 0; 2771 synaction->window_min = window_min; 2772 2773 /* Reset average. */ 2774 synaction->avg_dx = 0; 2775 synaction->avg_dy = 0; 2776 2777 /* Reset squelch. */ 2778 synaction->squelch_x = 0; 2779 synaction->squelch_y = 0; 2780 2781 /* Reset pressure peak. */ 2782 sc->zmax = 0; 2783 2784 /* Reset fingers count. */ 2785 synaction->fingers_nb = 0; 2786 2787 /* Reset virtual scrolling state. */ 2788 synaction->in_vscroll = 0; 2789 2790 /* Compute tap timeout. */ 2791 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2792 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2793 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2794 2795 sc->flags |= PSM_FLAGS_FINGERDOWN; 2796 } else { 2797 /* Calculate the current delta. */ 2798 cursor = synaction->queue_cursor; 2799 dx = x0 - synaction->queue[cursor].x; 2800 dy = y0 - synaction->queue[cursor].y; 2801 } 2802 2803 /* If in tap-hold, add the recorded button. */ 2804 if (synaction->in_taphold) 2805 ms->button |= synaction->tap_button; 2806 2807 /* 2808 * From now on, we can use the SYNAPTICS_END label to skip 2809 * the current packet. 2810 */ 2811 2812 /* 2813 * Limit the coordinates to the specified margins because 2814 * this area isn't very reliable. 2815 */ 2816 if (x0 <= margin_left) 2817 x0 = margin_left; 2818 else if (x0 >= 6143 - margin_right) 2819 x0 = 6143 - margin_right; 2820 if (y0 <= margin_bottom) 2821 y0 = margin_bottom; 2822 else if (y0 >= 6143 - margin_top) 2823 y0 = 6143 - margin_top; 2824 2825 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2826 x0, y0, *z, w)); 2827 2828 /* Queue this new packet. */ 2829 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2830 synaction->queue[cursor].x = x0; 2831 synaction->queue[cursor].y = y0; 2832 synaction->queue_cursor = cursor; 2833 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2834 synaction->queue_len++; 2835 VLOG(5, (LOG_DEBUG, 2836 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2837 cursor, x0, y0, dx, dy)); 2838 2839 /* 2840 * For tap, we keep the maximum number of fingers and the 2841 * pressure peak. Also with multiple fingers, we increase 2842 * the minimum window. 2843 */ 2844 switch (w) { 2845 case 1: /* Three or more fingers. */ 2846 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2847 synaction->window_min = window_max; 2848 break; 2849 case 0: /* Two fingers. */ 2850 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2851 synaction->window_min = window_max; 2852 break; 2853 default: /* One finger or undetectable. */ 2854 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2855 } 2856 sc->zmax = imax(*z, sc->zmax); 2857 2858 /* Do we have enough packets to consider this a movement? */ 2859 if (synaction->queue_len < synaction->window_min) 2860 goto SYNAPTICS_END; 2861 2862 /* Is a scrolling action occuring? */ 2863 if (!synaction->in_taphold && !synaction->in_vscroll) { 2864 /* 2865 * A scrolling action must not conflict with a tap 2866 * action. Here are the conditions to consider a 2867 * scrolling action: 2868 * - the action in a configurable area 2869 * - one of the following: 2870 * . the distance between the last packet and the 2871 * first should be above a configurable minimum 2872 * . tap timed out 2873 */ 2874 dxp = abs(synaction->queue[synaction->queue_cursor].x - 2875 synaction->start_x); 2876 dyp = abs(synaction->queue[synaction->queue_cursor].y - 2877 synaction->start_y); 2878 2879 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 2880 dxp >= sc->syninfo.vscroll_min_delta || 2881 dyp >= sc->syninfo.vscroll_min_delta) { 2882 /* Check for horizontal scrolling. */ 2883 if ((vscroll_hor_area > 0 && 2884 synaction->start_y <= vscroll_hor_area) || 2885 (vscroll_hor_area < 0 && 2886 synaction->start_y >= 2887 6143 + vscroll_hor_area)) 2888 synaction->in_vscroll += 2; 2889 2890 /* Check for vertical scrolling. */ 2891 if ((vscroll_ver_area > 0 && 2892 synaction->start_x <= vscroll_ver_area) || 2893 (vscroll_ver_area < 0 && 2894 synaction->start_x >= 2895 6143 + vscroll_ver_area)) 2896 synaction->in_vscroll += 1; 2897 2898 /* Avoid conflicts if area overlaps. */ 2899 if (synaction->in_vscroll == 3) 2900 synaction->in_vscroll = 2901 (dxp > dyp) ? 2 : 1; 2902 } 2903 VLOG(5, (LOG_DEBUG, 2904 "synaptics: virtual scrolling: %s " 2905 "(direction=%d, dxp=%d, dyp=%d)\n", 2906 synaction->in_vscroll ? "YES" : "NO", 2907 synaction->in_vscroll, dxp, dyp)); 2908 } 2909 2910 weight_prev_x = weight_prev_y = weight_previous; 2911 div_max_x = div_max_y = div_max; 2912 2913 if (synaction->in_vscroll) { 2914 /* Dividers are different with virtual scrolling. */ 2915 div_min = sc->syninfo.vscroll_div_min; 2916 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 2917 } else { 2918 /* 2919 * There's a lot of noise in coordinates when 2920 * the finger is on the touchpad's borders. When 2921 * using this area, we apply a special weight and 2922 * div. 2923 */ 2924 if (x0 <= na_left || x0 >= 6143 - na_right) { 2925 weight_prev_x = sc->syninfo.weight_previous_na; 2926 div_max_x = sc->syninfo.div_max_na; 2927 } 2928 2929 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 2930 weight_prev_y = sc->syninfo.weight_previous_na; 2931 div_max_y = sc->syninfo.div_max_na; 2932 } 2933 } 2934 2935 /* 2936 * Calculate weights for the average operands and 2937 * the divisor. Both depend on the distance between 2938 * the current packet and a previous one (based on the 2939 * window width). 2940 */ 2941 window = imin(synaction->queue_len, window_max); 2942 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 2943 dxp = abs(x0 - synaction->queue[peer].x) + 1; 2944 dyp = abs(y0 - synaction->queue[peer].y) + 1; 2945 len = (dxp * dxp) + (dyp * dyp); 2946 weight_prev_x = imin(weight_prev_x, 2947 weight_len_squared * weight_prev_x / len); 2948 weight_prev_y = imin(weight_prev_y, 2949 weight_len_squared * weight_prev_y / len); 2950 2951 len = (dxp + dyp) / 2; 2952 div_x = div_len * div_max_x / len; 2953 div_x = imin(div_max_x, div_x); 2954 div_x = imax(div_min, div_x); 2955 div_y = div_len * div_max_y / len; 2956 div_y = imin(div_max_y, div_y); 2957 div_y = imax(div_min, div_y); 2958 2959 VLOG(3, (LOG_DEBUG, 2960 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 2961 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 2962 2963 /* Compute averages. */ 2964 synaction->avg_dx = 2965 (weight_current * dx * multiplicator + 2966 weight_prev_x * synaction->avg_dx) / 2967 (weight_current + weight_prev_x); 2968 2969 synaction->avg_dy = 2970 (weight_current * dy * multiplicator + 2971 weight_prev_y * synaction->avg_dy) / 2972 (weight_current + weight_prev_y); 2973 2974 VLOG(5, (LOG_DEBUG, 2975 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 2976 synaction->avg_dx / multiplicator, 2977 synaction->avg_dy / multiplicator)); 2978 2979 /* Use these averages to calculate x & y. */ 2980 synaction->squelch_x += synaction->avg_dx; 2981 *x = synaction->squelch_x / (div_x * multiplicator); 2982 synaction->squelch_x = synaction->squelch_x % 2983 (div_x * multiplicator); 2984 2985 synaction->squelch_y += synaction->avg_dy; 2986 *y = synaction->squelch_y / (div_y * multiplicator); 2987 synaction->squelch_y = synaction->squelch_y % 2988 (div_y * multiplicator); 2989 2990 if (synaction->in_vscroll) { 2991 switch(synaction->in_vscroll) { 2992 case 1: /* Vertical scrolling. */ 2993 if (*y != 0) 2994 ms->button |= (*y > 0) ? 2995 MOUSE_BUTTON4DOWN : 2996 MOUSE_BUTTON5DOWN; 2997 break; 2998 case 2: /* Horizontal scrolling. */ 2999 if (*x != 0) 3000 ms->button |= (*x > 0) ? 3001 MOUSE_BUTTON7DOWN : 3002 MOUSE_BUTTON6DOWN; 3003 break; 3004 } 3005 3006 /* The pointer is not moved. */ 3007 *x = *y = 0; 3008 } else { 3009 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3010 dx, dy, *x, *y)); 3011 } 3012 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3013 /* 3014 * An action is currently taking place but the pressure 3015 * dropped under the minimum, putting an end to it. 3016 */ 3017 synapticsaction_t *synaction; 3018 int taphold_timeout, dx, dy, tap_max_delta; 3019 3020 synaction = &(sc->synaction); 3021 dx = abs(synaction->queue[synaction->queue_cursor].x - 3022 synaction->start_x); 3023 dy = abs(synaction->queue[synaction->queue_cursor].y - 3024 synaction->start_y); 3025 3026 /* Max delta is disabled for multi-fingers tap. */ 3027 if (synaction->fingers_nb > 1) 3028 tap_max_delta = imax(dx, dy); 3029 else 3030 tap_max_delta = sc->syninfo.tap_max_delta; 3031 3032 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3033 3034 /* Check for tap. */ 3035 VLOG(3, (LOG_DEBUG, 3036 "synaptics: zmax=%d, dx=%d, dy=%d, " 3037 "delta=%d, fingers=%d, queue=%d\n", 3038 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3039 synaction->queue_len)); 3040 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3041 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3042 dx <= tap_max_delta && dy <= tap_max_delta && 3043 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3044 /* 3045 * We have a tap if: 3046 * - the maximum pressure went over tap_threshold 3047 * - the action ended before tap_timeout 3048 * 3049 * To handle tap-hold, we must delay any button push to 3050 * the next action. 3051 */ 3052 if (synaction->in_taphold) { 3053 /* 3054 * This is the second and last tap of a 3055 * double tap action, not a tap-hold. 3056 */ 3057 synaction->in_taphold = 0; 3058 3059 /* 3060 * For double-tap to work: 3061 * - no button press is emitted (to 3062 * simulate a button release) 3063 * - PSM_FLAGS_FINGERDOWN is set to 3064 * force the next packet to emit a 3065 * button press) 3066 */ 3067 VLOG(2, (LOG_DEBUG, 3068 "synaptics: button RELEASE: %d\n", 3069 synaction->tap_button)); 3070 sc->flags |= PSM_FLAGS_FINGERDOWN; 3071 } else { 3072 /* 3073 * This is the first tap: we set the 3074 * tap-hold state and notify the button 3075 * down event. 3076 */ 3077 synaction->in_taphold = 1; 3078 taphold_timeout = sc->syninfo.taphold_timeout; 3079 sc->taptimeout.tv_sec = taphold_timeout / 3080 1000000; 3081 sc->taptimeout.tv_usec = taphold_timeout % 3082 1000000; 3083 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3084 3085 switch (synaction->fingers_nb) { 3086 case 3: 3087 synaction->tap_button = 3088 MOUSE_BUTTON2DOWN; 3089 break; 3090 case 2: 3091 synaction->tap_button = 3092 MOUSE_BUTTON3DOWN; 3093 break; 3094 default: 3095 synaction->tap_button = 3096 MOUSE_BUTTON1DOWN; 3097 } 3098 VLOG(2, (LOG_DEBUG, 3099 "synaptics: button PRESS: %d\n", 3100 synaction->tap_button)); 3101 ms->button |= synaction->tap_button; 3102 } 3103 } else { 3104 /* 3105 * Not enough pressure or timeout: reset 3106 * tap-hold state. 3107 */ 3108 if (synaction->in_taphold) { 3109 VLOG(2, (LOG_DEBUG, 3110 "synaptics: button RELEASE: %d\n", 3111 synaction->tap_button)); 3112 synaction->in_taphold = 0; 3113 } else { 3114 VLOG(2, (LOG_DEBUG, 3115 "synaptics: not a tap-hold\n")); 3116 } 3117 } 3118 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3119 sc->synaction.in_taphold) { 3120 /* 3121 * For a tap-hold to work, the button must remain down at 3122 * least until timeout (where the in_taphold flags will be 3123 * cleared) or during the next action. 3124 */ 3125 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3126 ms->button |= sc->synaction.tap_button; 3127 } else { 3128 VLOG(2, (LOG_DEBUG, 3129 "synaptics: button RELEASE: %d\n", 3130 sc->synaction.tap_button)); 3131 sc->synaction.in_taphold = 0; 3132 } 3133 } 3134 3135 SYNAPTICS_END: 3136 /* 3137 * Use the extra buttons as a scrollwheel 3138 * 3139 * XXX X.Org uses the Z axis for vertical wheel only, 3140 * whereas moused(8) understands special values to differ 3141 * vertical and horizontal wheels. 3142 * 3143 * xf86-input-mouse needs therefore a small patch to 3144 * understand these special values. Without it, the 3145 * horizontal wheel acts as a vertical wheel in X.Org. 3146 * 3147 * That's why the horizontal wheel is disabled by 3148 * default for now. 3149 */ 3150 if (ms->button & MOUSE_BUTTON4DOWN) { 3151 *z = -1; 3152 ms->button &= ~MOUSE_BUTTON4DOWN; 3153 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3154 *z = 1; 3155 ms->button &= ~MOUSE_BUTTON5DOWN; 3156 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3157 *z = -2; 3158 ms->button &= ~MOUSE_BUTTON6DOWN; 3159 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3160 *z = 2; 3161 ms->button &= ~MOUSE_BUTTON7DOWN; 3162 } else 3163 *z = 0; 3164 3165 return (0); 3166 } 3167 3168 static void 3169 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3170 int *x, int *y, int *z) 3171 { 3172 static int butmap_versapad[8] = { 3173 0, 3174 MOUSE_BUTTON3DOWN, 3175 0, 3176 MOUSE_BUTTON3DOWN, 3177 MOUSE_BUTTON1DOWN, 3178 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3179 MOUSE_BUTTON1DOWN, 3180 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3181 }; 3182 int c, x0, y0; 3183 3184 /* VersaPad PS/2 absolute mode message format 3185 * 3186 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3187 * ipacket[0]: 1 1 0 A 1 L T R 3188 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3189 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3190 * ipacket[3]: 1 1 1 A 1 L T R 3191 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3192 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3193 * 3194 * [note] 3195 * R: right physical mouse button (1=on) 3196 * T: touch pad virtual button (1=tapping) 3197 * L: left physical mouse button (1=on) 3198 * A: position data is valid (1=valid) 3199 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3200 * V: vertical data (12bit signed integer. V11 is sign bit.) 3201 * P: pressure data 3202 * 3203 * Tapping is mapped to MOUSE_BUTTON4. 3204 */ 3205 c = pb->ipacket[0]; 3206 *x = *y = 0; 3207 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3208 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3209 if (c & MOUSE_PS2VERSA_IN_USE) { 3210 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3211 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3212 if (x0 & 0x800) 3213 x0 -= 0x1000; 3214 if (y0 & 0x800) 3215 y0 -= 0x1000; 3216 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3217 *x = sc->xold - x0; 3218 *y = y0 - sc->yold; 3219 if (*x < 0) /* XXX */ 3220 ++*x; 3221 else if (*x) 3222 --*x; 3223 if (*y < 0) 3224 ++*y; 3225 else if (*y) 3226 --*y; 3227 } else 3228 sc->flags |= PSM_FLAGS_FINGERDOWN; 3229 sc->xold = x0; 3230 sc->yold = y0; 3231 } else 3232 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3233 } 3234 3235 static void 3236 psmsoftintr(void *arg) 3237 { 3238 /* 3239 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3240 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3241 */ 3242 static int butmap[8] = { 3243 0, 3244 MOUSE_BUTTON1DOWN, 3245 MOUSE_BUTTON3DOWN, 3246 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3247 MOUSE_BUTTON2DOWN, 3248 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3249 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3250 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3251 }; 3252 struct psm_softc *sc = arg; 3253 mousestatus_t ms; 3254 packetbuf_t *pb; 3255 int x, y, z, c, l; 3256 3257 getmicrouptime(&sc->lastsoftintr); 3258 3259 crit_enter(); 3260 3261 do { 3262 pb = &sc->pqueue[sc->pqueue_start]; 3263 3264 if (sc->mode.level == PSM_LEVEL_NATIVE) 3265 goto next_native; 3266 3267 c = pb->ipacket[0]; 3268 /* 3269 * A kludge for Kensington device! 3270 * The MSB of the horizontal count appears to be stored in 3271 * a strange place. 3272 */ 3273 if (sc->hw.model == MOUSE_MODEL_THINK) 3274 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3275 3276 /* ignore the overflow bits... */ 3277 x = (c & MOUSE_PS2_XNEG) ? 3278 pb->ipacket[1] - 256 : pb->ipacket[1]; 3279 y = (c & MOUSE_PS2_YNEG) ? 3280 pb->ipacket[2] - 256 : pb->ipacket[2]; 3281 z = 0; 3282 ms.obutton = sc->button; /* previous button state */ 3283 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3284 /* `tapping' action */ 3285 if (sc->config & PSM_CONFIG_FORCETAP) 3286 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3287 0 : MOUSE_BUTTON4DOWN; 3288 3289 switch (sc->hw.model) { 3290 3291 case MOUSE_MODEL_EXPLORER: 3292 /* 3293 * b7 b6 b5 b4 b3 b2 b1 b0 3294 * byte 1: oy ox sy sx 1 M R L 3295 * byte 2: x x x x x x x x 3296 * byte 3: y y y y y y y y 3297 * byte 4: * * S2 S1 s d2 d1 d0 3298 * 3299 * L, M, R, S1, S2: left, middle, right and side buttons 3300 * s: wheel data sign bit 3301 * d2-d0: wheel data 3302 */ 3303 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3304 (pb->ipacket[3] & 0x0f) - 16 : 3305 (pb->ipacket[3] & 0x0f); 3306 ms.button |= 3307 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3308 MOUSE_BUTTON4DOWN : 0; 3309 ms.button |= 3310 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3311 MOUSE_BUTTON5DOWN : 0; 3312 break; 3313 3314 case MOUSE_MODEL_INTELLI: 3315 case MOUSE_MODEL_NET: 3316 /* wheel data is in the fourth byte */ 3317 z = (char)pb->ipacket[3]; 3318 /* 3319 * XXX some mice may send 7 when there is no Z movement? */ 3320 if ((z >= 7) || (z <= -7)) 3321 z = 0; 3322 /* some compatible mice have additional buttons */ 3323 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3324 MOUSE_BUTTON4DOWN : 0; 3325 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3326 MOUSE_BUTTON5DOWN : 0; 3327 break; 3328 3329 case MOUSE_MODEL_MOUSEMANPLUS: 3330 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3331 break; 3332 3333 case MOUSE_MODEL_GLIDEPOINT: 3334 /* `tapping' action */ 3335 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3336 MOUSE_BUTTON4DOWN; 3337 break; 3338 3339 case MOUSE_MODEL_NETSCROLL: 3340 /* 3341 * three addtional bytes encode buttons and 3342 * wheel events 3343 */ 3344 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3345 MOUSE_BUTTON4DOWN : 0; 3346 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3347 MOUSE_BUTTON5DOWN : 0; 3348 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3349 pb->ipacket[4] - 256 : pb->ipacket[4]; 3350 break; 3351 3352 case MOUSE_MODEL_THINK: 3353 /* the fourth button state in the first byte */ 3354 ms.button |= (c & MOUSE_PS2_TAP) ? 3355 MOUSE_BUTTON4DOWN : 0; 3356 break; 3357 3358 case MOUSE_MODEL_VERSAPAD: 3359 proc_versapad(sc, pb, &ms, &x, &y, &z); 3360 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3361 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3362 break; 3363 3364 case MOUSE_MODEL_4D: 3365 /* 3366 * b7 b6 b5 b4 b3 b2 b1 b0 3367 * byte 1: s2 d2 s1 d1 1 M R L 3368 * byte 2: sx x x x x x x x 3369 * byte 3: sy y y y y y y y 3370 * 3371 * s1: wheel 1 direction 3372 * d1: wheel 1 data 3373 * s2: wheel 2 direction 3374 * d2: wheel 2 data 3375 */ 3376 x = (pb->ipacket[1] & 0x80) ? 3377 pb->ipacket[1] - 256 : pb->ipacket[1]; 3378 y = (pb->ipacket[2] & 0x80) ? 3379 pb->ipacket[2] - 256 : pb->ipacket[2]; 3380 switch (c & MOUSE_4D_WHEELBITS) { 3381 case 0x10: 3382 z = 1; 3383 break; 3384 case 0x30: 3385 z = -1; 3386 break; 3387 case 0x40: /* XXX 2nd wheel turning right */ 3388 z = 2; 3389 break; 3390 case 0xc0: /* XXX 2nd wheel turning left */ 3391 z = -2; 3392 break; 3393 } 3394 break; 3395 3396 case MOUSE_MODEL_4DPLUS: 3397 if ((x < 16 - 256) && (y < 16 - 256)) { 3398 /* 3399 * b7 b6 b5 b4 b3 b2 b1 b0 3400 * byte 1: 0 0 1 1 1 M R L 3401 * byte 2: 0 0 0 0 1 0 0 0 3402 * byte 3: 0 0 0 0 S s d1 d0 3403 * 3404 * L, M, R, S: left, middle, right, 3405 * and side buttons 3406 * s: wheel data sign bit 3407 * d1-d0: wheel data 3408 */ 3409 x = y = 0; 3410 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3411 ms.button |= MOUSE_BUTTON4DOWN; 3412 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3413 ((pb->ipacket[2] & 0x07) - 8) : 3414 (pb->ipacket[2] & 0x07) ; 3415 } else { 3416 /* preserve previous button states */ 3417 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3418 } 3419 break; 3420 3421 case MOUSE_MODEL_SYNAPTICS: 3422 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3423 goto next; 3424 break; 3425 3426 case MOUSE_MODEL_GENERIC: 3427 default: 3428 break; 3429 } 3430 3431 /* scale values */ 3432 if (sc->mode.accelfactor >= 1) { 3433 if (x != 0) { 3434 x = x * x / sc->mode.accelfactor; 3435 if (x == 0) 3436 x = 1; 3437 if (c & MOUSE_PS2_XNEG) 3438 x = -x; 3439 } 3440 if (y != 0) { 3441 y = y * y / sc->mode.accelfactor; 3442 if (y == 0) 3443 y = 1; 3444 if (c & MOUSE_PS2_YNEG) 3445 y = -y; 3446 } 3447 } 3448 3449 ms.dx = x; 3450 ms.dy = y; 3451 ms.dz = z; 3452 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3453 (ms.obutton ^ ms.button); 3454 3455 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3456 3457 sc->status.flags |= ms.flags; 3458 sc->status.dx += ms.dx; 3459 sc->status.dy += ms.dy; 3460 sc->status.dz += ms.dz; 3461 sc->status.button = ms.button; 3462 sc->button = ms.button; 3463 3464 next_native: 3465 sc->watchdog = FALSE; 3466 3467 /* queue data */ 3468 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3469 l = imin(pb->inputbytes, 3470 sizeof(sc->queue.buf) - sc->queue.tail); 3471 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3472 if (pb->inputbytes > l) 3473 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3474 pb->inputbytes - l); 3475 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3476 sizeof(sc->queue.buf); 3477 sc->queue.count += pb->inputbytes; 3478 } 3479 pb->inputbytes = 0; 3480 3481 next: 3482 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3483 sc->pqueue_start = 0; 3484 } while (sc->pqueue_start != sc->pqueue_end); 3485 3486 if (sc->state & PSM_ASLP) { 3487 sc->state &= ~PSM_ASLP; 3488 wakeup(sc); 3489 } 3490 KNOTE(&sc->rkq.ki_note, 0); 3491 3492 sc->state &= ~PSM_SOFTARMED; 3493 crit_exit(); 3494 } 3495 3496 static struct filterops psmfiltops = 3497 { FILTEROP_ISFD, NULL, psmfilter_detach, psmfilter }; 3498 3499 static int 3500 psmkqfilter(struct dev_kqfilter_args *ap) 3501 { 3502 cdev_t dev = ap->a_head.a_dev; 3503 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 3504 struct knote *kn = ap->a_kn; 3505 struct klist *klist; 3506 3507 ap->a_result = 0; 3508 3509 switch (kn->kn_filter) { 3510 case EVFILT_READ: 3511 kn->kn_fop = &psmfiltops; 3512 kn->kn_hook = (caddr_t)sc; 3513 break; 3514 default: 3515 ap->a_result = EOPNOTSUPP; 3516 return (0); 3517 } 3518 3519 klist = &sc->rkq.ki_note; 3520 knote_insert(klist, kn); 3521 3522 return (0); 3523 } 3524 3525 static void 3526 psmfilter_detach(struct knote *kn) 3527 { 3528 struct psm_softc *sc = (struct psm_softc *)kn->kn_hook; 3529 struct klist *klist; 3530 3531 klist = &sc->rkq.ki_note; 3532 knote_remove(klist, kn); 3533 } 3534 3535 static int 3536 psmfilter(struct knote *kn, long hint) 3537 { 3538 struct psm_softc *sc = (struct psm_softc *)kn->kn_hook; 3539 int ready = 0; 3540 3541 crit_enter(); 3542 if (sc->queue.count > 0) 3543 ready = 1; 3544 crit_exit(); 3545 3546 return (ready); 3547 } 3548 3549 /* vendor/model specific routines */ 3550 3551 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3552 { 3553 if (set_mouse_resolution(kbdc, res) != res) 3554 return (FALSE); 3555 if (set_mouse_scaling(kbdc, scale) && 3556 set_mouse_scaling(kbdc, scale) && 3557 set_mouse_scaling(kbdc, scale) && 3558 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3559 return (TRUE); 3560 return (FALSE); 3561 } 3562 3563 static int 3564 mouse_ext_command(KBDC kbdc, int command) 3565 { 3566 int c; 3567 3568 c = (command >> 6) & 0x03; 3569 if (set_mouse_resolution(kbdc, c) != c) 3570 return (FALSE); 3571 c = (command >> 4) & 0x03; 3572 if (set_mouse_resolution(kbdc, c) != c) 3573 return (FALSE); 3574 c = (command >> 2) & 0x03; 3575 if (set_mouse_resolution(kbdc, c) != c) 3576 return (FALSE); 3577 c = (command >> 0) & 0x03; 3578 if (set_mouse_resolution(kbdc, c) != c) 3579 return (FALSE); 3580 return (TRUE); 3581 } 3582 3583 #ifdef notyet 3584 /* Logitech MouseMan Cordless II */ 3585 static int 3586 enable_lcordless(struct psm_softc *sc) 3587 { 3588 int status[3]; 3589 int ch; 3590 3591 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 3592 return (FALSE); 3593 if (status[1] == PSMD_RES_HIGH) 3594 return (FALSE); 3595 ch = (status[0] & 0x07) - 1; /* channel # */ 3596 if ((ch <= 0) || (ch > 4)) 3597 return (FALSE); 3598 /* 3599 * status[1]: always one? 3600 * status[2]: battery status? (0-100) 3601 */ 3602 return (TRUE); 3603 } 3604 #endif /* notyet */ 3605 3606 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3607 static int 3608 enable_groller(struct psm_softc *sc) 3609 { 3610 int status[3]; 3611 3612 /* 3613 * The special sequence to enable the fourth button and the 3614 * roller. Immediately after this sequence check status bytes. 3615 * if the mouse is NetScroll, the second and the third bytes are 3616 * '3' and 'D'. 3617 */ 3618 3619 /* 3620 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3621 * look like the following. 3622 * 3623 * byte 1 bit 7 always 0 3624 * bit 6 stream mode (0) 3625 * bit 5 disabled (0) 3626 * bit 4 1:1 scaling (0) 3627 * bit 3 always 0 3628 * bit 0-2 button status 3629 * byte 2 resolution (PSMD_RES_HIGH) 3630 * byte 3 report rate (?) 3631 */ 3632 3633 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3634 return (FALSE); 3635 if ((status[1] != '3') || (status[2] != 'D')) 3636 return (FALSE); 3637 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3638 sc->hw.buttons = 4; 3639 return (TRUE); 3640 } 3641 3642 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3643 static int 3644 enable_gmouse(struct psm_softc *sc) 3645 { 3646 int status[3]; 3647 3648 /* 3649 * The special sequence to enable the middle, "rubber" button. 3650 * Immediately after this sequence check status bytes. 3651 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3652 * the second and the third bytes are '3' and 'U'. 3653 * NOTE: NetMouse reports that it has three buttons although it has 3654 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3655 * say they have three buttons too and they do have a button on the 3656 * side... 3657 */ 3658 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3659 return (FALSE); 3660 if ((status[1] != '3') || (status[2] != 'U')) 3661 return (FALSE); 3662 return (TRUE); 3663 } 3664 3665 /* ALPS GlidePoint */ 3666 static int 3667 enable_aglide(struct psm_softc *sc) 3668 { 3669 int status[3]; 3670 3671 /* 3672 * The special sequence to obtain ALPS GlidePoint specific 3673 * information. Immediately after this sequence, status bytes will 3674 * contain something interesting. 3675 * NOTE: ALPS produces several models of GlidePoint. Some of those 3676 * do not respond to this sequence, thus, cannot be detected this way. 3677 */ 3678 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 3679 return (FALSE); 3680 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 3681 return (FALSE); 3682 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3683 return (FALSE); 3684 return (TRUE); 3685 } 3686 3687 /* Kensington ThinkingMouse/Trackball */ 3688 static int 3689 enable_kmouse(struct psm_softc *sc) 3690 { 3691 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3692 KBDC kbdc = sc->kbdc; 3693 int status[3]; 3694 int id1; 3695 int id2; 3696 int i; 3697 3698 id1 = get_aux_id(kbdc); 3699 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3700 return (FALSE); 3701 /* 3702 * The device is now in the native mode? It returns a different 3703 * ID value... 3704 */ 3705 id2 = get_aux_id(kbdc); 3706 if ((id1 == id2) || (id2 != 2)) 3707 return (FALSE); 3708 3709 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3710 return (FALSE); 3711 #if PSM_DEBUG >= 2 3712 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3713 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3714 return (FALSE); 3715 #endif 3716 3717 /* 3718 * The special sequence to enable the third and fourth buttons. 3719 * Otherwise they behave like the first and second buttons. 3720 */ 3721 for (i = 0; i < NELEM(rate); ++i) 3722 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3723 return (FALSE); 3724 3725 /* 3726 * At this point, the device is using default resolution and 3727 * sampling rate for the native mode. 3728 */ 3729 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3730 return (FALSE); 3731 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3732 return (FALSE); 3733 3734 /* the device appears be enabled by this sequence, diable it for now */ 3735 disable_aux_dev(kbdc); 3736 empty_aux_buffer(kbdc, 5); 3737 3738 return (TRUE); 3739 } 3740 3741 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3742 static int 3743 enable_mmanplus(struct psm_softc *sc) 3744 { 3745 KBDC kbdc = sc->kbdc; 3746 int data[3]; 3747 3748 /* the special sequence to enable the fourth button and the roller. */ 3749 /* 3750 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3751 * must be called exactly three times since the last RESET command 3752 * before this sequence. XXX 3753 */ 3754 if (!set_mouse_scaling(kbdc, 1)) 3755 return (FALSE); 3756 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3757 return (FALSE); 3758 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3759 return (FALSE); 3760 3761 /* 3762 * PS2++ protocl, packet type 0 3763 * 3764 * b7 b6 b5 b4 b3 b2 b1 b0 3765 * byte 1: * 1 p3 p2 1 * * * 3766 * byte 2: 1 1 p1 p0 m1 m0 1 0 3767 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3768 * 3769 * p3-p0: packet type: 0 3770 * m7-m0: model ID: MouseMan+:0x50, 3771 * FirstMouse+:0x51, 3772 * ScrollPoint:0x58... 3773 */ 3774 /* check constant bits */ 3775 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3776 return (FALSE); 3777 if ((data[1] & 0xc3) != 0xc2) 3778 return (FALSE); 3779 /* check d3-d0 in byte 2 */ 3780 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3781 return (FALSE); 3782 /* check p3-p0 */ 3783 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3784 return (FALSE); 3785 3786 sc->hw.hwid &= 0x00ff; 3787 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3788 3789 /* 3790 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3791 * the wheel and the fourth button events are encoded in the 3792 * special data packet. The mouse may be put in the IntelliMouse mode 3793 * if it is initialized by the IntelliMouse's method. 3794 */ 3795 return (TRUE); 3796 } 3797 3798 /* MS IntelliMouse Explorer */ 3799 static int 3800 enable_msexplorer(struct psm_softc *sc) 3801 { 3802 static u_char rate0[] = { 200, 100, 80, }; 3803 static u_char rate1[] = { 200, 200, 80, }; 3804 KBDC kbdc = sc->kbdc; 3805 int id; 3806 int i; 3807 3808 /* 3809 * This is needed for at least A4Tech X-7xx mice - they do not go 3810 * straight to Explorer mode, but need to be set to Intelli mode 3811 * first. 3812 */ 3813 enable_msintelli(sc); 3814 3815 /* the special sequence to enable the extra buttons and the roller. */ 3816 for (i = 0; i < NELEM(rate1); ++i) 3817 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3818 return (FALSE); 3819 /* the device will give the genuine ID only after the above sequence */ 3820 id = get_aux_id(kbdc); 3821 if (id != PSM_EXPLORER_ID) 3822 return (FALSE); 3823 3824 sc->hw.hwid = id; 3825 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3826 3827 /* 3828 * XXX: this is a kludge to fool some KVM switch products 3829 * which think they are clever enough to know the 4-byte IntelliMouse 3830 * protocol, and assume any other protocols use 3-byte packets. 3831 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3832 * correctly to the host computer because of this! 3833 * The following sequence is actually IntelliMouse's "wake up" 3834 * sequence; it will make the KVM think the mouse is IntelliMouse 3835 * when it is in fact IntelliMouse Explorer. 3836 */ 3837 for (i = 0; i < NELEM(rate0); ++i) 3838 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3839 break; 3840 id = get_aux_id(kbdc); 3841 3842 return (TRUE); 3843 } 3844 3845 /* MS IntelliMouse */ 3846 static int 3847 enable_msintelli(struct psm_softc *sc) 3848 { 3849 /* 3850 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3851 * probe routine and act like IntelliMouse. 3852 */ 3853 3854 static u_char rate[] = { 200, 100, 80, }; 3855 KBDC kbdc = sc->kbdc; 3856 int id; 3857 int i; 3858 3859 /* the special sequence to enable the third button and the roller. */ 3860 for (i = 0; i < NELEM(rate); ++i) 3861 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3862 return (FALSE); 3863 /* the device will give the genuine ID only after the above sequence */ 3864 id = get_aux_id(kbdc); 3865 if (id != PSM_INTELLI_ID) 3866 return (FALSE); 3867 3868 sc->hw.hwid = id; 3869 sc->hw.buttons = 3; 3870 3871 return (TRUE); 3872 } 3873 3874 /* A4 Tech 4D Mouse */ 3875 static int 3876 enable_4dmouse(struct psm_softc *sc) 3877 { 3878 /* 3879 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3880 */ 3881 3882 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3883 KBDC kbdc = sc->kbdc; 3884 int id; 3885 int i; 3886 3887 for (i = 0; i < NELEM(rate); ++i) 3888 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3889 return (FALSE); 3890 id = get_aux_id(kbdc); 3891 /* 3892 * WinEasy 4D, 4 Way Scroll 4D: 6 3893 * Cable-Free 4D: 8 (4DPLUS) 3894 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3895 */ 3896 if (id != PSM_4DMOUSE_ID) 3897 return (FALSE); 3898 3899 sc->hw.hwid = id; 3900 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3901 3902 return (TRUE); 3903 } 3904 3905 /* A4 Tech 4D+ Mouse */ 3906 static int 3907 enable_4dplus(struct psm_softc *sc) 3908 { 3909 /* 3910 * Newer wheel mice from A4 Tech seem to use this protocol. 3911 * Older models are recognized as either 4D Mouse or IntelliMouse. 3912 */ 3913 KBDC kbdc = sc->kbdc; 3914 int id; 3915 3916 /* 3917 * enable_4dmouse() already issued the following ID sequence... 3918 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3919 int i; 3920 3921 for (i = 0; i < NELEM(rate); ++i) 3922 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3923 return (FALSE); 3924 */ 3925 3926 id = get_aux_id(kbdc); 3927 switch (id) { 3928 case PSM_4DPLUS_ID: 3929 sc->hw.buttons = 4; 3930 break; 3931 case PSM_4DPLUS_RFSW35_ID: 3932 sc->hw.buttons = 3; 3933 break; 3934 default: 3935 return (FALSE); 3936 } 3937 3938 sc->hw.hwid = id; 3939 3940 return (TRUE); 3941 } 3942 3943 /* Synaptics Touchpad */ 3944 static int 3945 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 3946 { 3947 int error, arg; 3948 3949 /* Read the current value. */ 3950 arg = *(int *)oidp->oid_arg1; 3951 error = sysctl_handle_int(oidp, &arg, 0, req); 3952 3953 /* Sanity check. */ 3954 if (error || !req->newptr) 3955 return (error); 3956 3957 /* 3958 * Check that the new value is in the concerned node's range 3959 * of values. 3960 */ 3961 switch (oidp->oid_arg2) { 3962 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 3963 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 3964 if (arg < 0 || arg > 255) 3965 return (EINVAL); 3966 break; 3967 case SYNAPTICS_SYSCTL_MAX_WIDTH: 3968 if (arg < 4 || arg > 15) 3969 return (EINVAL); 3970 break; 3971 case SYNAPTICS_SYSCTL_MARGIN_TOP: 3972 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 3973 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 3974 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 3975 case SYNAPTICS_SYSCTL_NA_TOP: 3976 case SYNAPTICS_SYSCTL_NA_RIGHT: 3977 case SYNAPTICS_SYSCTL_NA_BOTTOM: 3978 case SYNAPTICS_SYSCTL_NA_LEFT: 3979 if (arg < 0 || arg > 6143) 3980 return (EINVAL); 3981 break; 3982 case SYNAPTICS_SYSCTL_WINDOW_MIN: 3983 case SYNAPTICS_SYSCTL_WINDOW_MAX: 3984 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 3985 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 3986 return (EINVAL); 3987 break; 3988 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 3989 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 3990 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 3991 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 3992 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 3993 case SYNAPTICS_SYSCTL_DIV_MIN: 3994 case SYNAPTICS_SYSCTL_DIV_MAX: 3995 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 3996 case SYNAPTICS_SYSCTL_DIV_LEN: 3997 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 3998 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 3999 if (arg < 1) 4000 return (EINVAL); 4001 break; 4002 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 4003 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 4004 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 4005 if (arg < 0) 4006 return (EINVAL); 4007 break; 4008 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 4009 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 4010 if (arg < -6143 || arg > 6143) 4011 return (EINVAL); 4012 break; 4013 default: 4014 return (EINVAL); 4015 } 4016 4017 /* Update. */ 4018 *(int *)oidp->oid_arg1 = arg; 4019 4020 return (error); 4021 } 4022 4023 static void 4024 synaptics_sysctl_create_tree(struct psm_softc *sc) 4025 { 4026 4027 if (sc->syninfo.sysctl_tree != NULL) 4028 return; 4029 4030 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 4031 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 4032 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 4033 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 4034 0, "Synaptics TouchPad"); 4035 4036 /* hw.psm.synaptics.directional_scrolls. */ 4037 sc->syninfo.directional_scrolls = 1; 4038 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4039 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4040 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4041 &sc->syninfo.directional_scrolls, 0, 4042 "Enable hardware scrolling pad (if non-zero) or register it as " 4043 "a middle-click (if 0)"); 4044 4045 /* hw.psm.synaptics.min_pressure. */ 4046 sc->syninfo.min_pressure = 16; 4047 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4048 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4049 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4050 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4051 synaptics_sysctl, "I", 4052 "Minimum pressure required to start an action"); 4053 4054 /* hw.psm.synaptics.max_pressure. */ 4055 sc->syninfo.max_pressure = 220; 4056 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4057 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4058 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4059 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4060 synaptics_sysctl, "I", 4061 "Maximum pressure to detect palm"); 4062 4063 /* hw.psm.synaptics.max_width. */ 4064 sc->syninfo.max_width = 10; 4065 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4066 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4067 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4068 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4069 synaptics_sysctl, "I", 4070 "Maximum finger width to detect palm"); 4071 4072 /* hw.psm.synaptics.top_margin. */ 4073 sc->syninfo.margin_top = 200; 4074 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4075 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4076 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4077 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4078 synaptics_sysctl, "I", 4079 "Top margin"); 4080 4081 /* hw.psm.synaptics.right_margin. */ 4082 sc->syninfo.margin_right = 200; 4083 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4084 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4085 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4086 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4087 synaptics_sysctl, "I", 4088 "Right margin"); 4089 4090 /* hw.psm.synaptics.bottom_margin. */ 4091 sc->syninfo.margin_bottom = 200; 4092 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4093 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4094 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4095 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4096 synaptics_sysctl, "I", 4097 "Bottom margin"); 4098 4099 /* hw.psm.synaptics.left_margin. */ 4100 sc->syninfo.margin_left = 200; 4101 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4102 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4103 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4104 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4105 synaptics_sysctl, "I", 4106 "Left margin"); 4107 4108 /* hw.psm.synaptics.na_top. */ 4109 sc->syninfo.na_top = 1783; 4110 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4111 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4112 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4113 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4114 synaptics_sysctl, "I", 4115 "Top noisy area, where weight_previous_na is used instead " 4116 "of weight_previous"); 4117 4118 /* hw.psm.synaptics.na_right. */ 4119 sc->syninfo.na_right = 563; 4120 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4121 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4122 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4123 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4124 synaptics_sysctl, "I", 4125 "Right noisy area, where weight_previous_na is used instead " 4126 "of weight_previous"); 4127 4128 /* hw.psm.synaptics.na_bottom. */ 4129 sc->syninfo.na_bottom = 1408; 4130 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4131 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4132 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4133 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4134 synaptics_sysctl, "I", 4135 "Bottom noisy area, where weight_previous_na is used instead " 4136 "of weight_previous"); 4137 4138 /* hw.psm.synaptics.na_left. */ 4139 sc->syninfo.na_left = 1600; 4140 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4141 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4142 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4143 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4144 synaptics_sysctl, "I", 4145 "Left noisy area, where weight_previous_na is used instead " 4146 "of weight_previous"); 4147 4148 /* hw.psm.synaptics.window_min. */ 4149 sc->syninfo.window_min = 4; 4150 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4151 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4152 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4153 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4154 synaptics_sysctl, "I", 4155 "Minimum window size to start an action"); 4156 4157 /* hw.psm.synaptics.window_max. */ 4158 sc->syninfo.window_max = 10; 4159 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4160 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4161 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4162 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4163 synaptics_sysctl, "I", 4164 "Maximum window size"); 4165 4166 /* hw.psm.synaptics.multiplicator. */ 4167 sc->syninfo.multiplicator = 10000; 4168 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4169 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4170 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4171 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4172 synaptics_sysctl, "I", 4173 "Multiplicator to increase precision in averages and divisions"); 4174 4175 /* hw.psm.synaptics.weight_current. */ 4176 sc->syninfo.weight_current = 3; 4177 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4178 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4179 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4180 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4181 synaptics_sysctl, "I", 4182 "Weight of the current movement in the new average"); 4183 4184 /* hw.psm.synaptics.weight_previous. */ 4185 sc->syninfo.weight_previous = 6; 4186 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4187 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4188 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4189 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4190 synaptics_sysctl, "I", 4191 "Weight of the previous average"); 4192 4193 /* hw.psm.synaptics.weight_previous_na. */ 4194 sc->syninfo.weight_previous_na = 20; 4195 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4196 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4197 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4198 &sc->syninfo.weight_previous_na, 4199 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4200 synaptics_sysctl, "I", 4201 "Weight of the previous average (inside the noisy area)"); 4202 4203 /* hw.psm.synaptics.weight_len_squared. */ 4204 sc->syninfo.weight_len_squared = 2000; 4205 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4206 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4207 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4208 &sc->syninfo.weight_len_squared, 4209 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4210 synaptics_sysctl, "I", 4211 "Length (squared) of segments where weight_previous " 4212 "starts to decrease"); 4213 4214 /* hw.psm.synaptics.div_min. */ 4215 sc->syninfo.div_min = 9; 4216 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4217 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4218 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4219 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4220 synaptics_sysctl, "I", 4221 "Divisor for fast movements"); 4222 4223 /* hw.psm.synaptics.div_max. */ 4224 sc->syninfo.div_max = 17; 4225 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4226 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4227 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4228 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4229 synaptics_sysctl, "I", 4230 "Divisor for slow movements"); 4231 4232 /* hw.psm.synaptics.div_max_na. */ 4233 sc->syninfo.div_max_na = 30; 4234 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4235 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4236 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4237 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4238 synaptics_sysctl, "I", 4239 "Divisor with slow movements (inside the noisy area)"); 4240 4241 /* hw.psm.synaptics.div_len. */ 4242 sc->syninfo.div_len = 100; 4243 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4244 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4245 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4246 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4247 synaptics_sysctl, "I", 4248 "Length of segments where div_max starts to decrease"); 4249 4250 /* hw.psm.synaptics.tap_max_delta. */ 4251 sc->syninfo.tap_max_delta = 80; 4252 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4253 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4254 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4255 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4256 synaptics_sysctl, "I", 4257 "Length of segments above which a tap is ignored"); 4258 4259 /* hw.psm.synaptics.tap_min_queue. */ 4260 sc->syninfo.tap_min_queue = 2; 4261 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4262 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4263 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4264 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4265 synaptics_sysctl, "I", 4266 "Number of packets required to consider a tap"); 4267 4268 /* hw.psm.synaptics.taphold_timeout. */ 4269 sc->synaction.in_taphold = 0; 4270 sc->syninfo.taphold_timeout = tap_timeout; 4271 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4272 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4273 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4274 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4275 synaptics_sysctl, "I", 4276 "Maximum elapsed time between two taps to consider a tap-hold " 4277 "action"); 4278 4279 /* hw.psm.synaptics.vscroll_hor_area. */ 4280 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4281 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4282 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4283 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4284 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4285 synaptics_sysctl, "I", 4286 "Area reserved for horizontal virtual scrolling"); 4287 4288 /* hw.psm.synaptics.vscroll_ver_area. */ 4289 sc->syninfo.vscroll_ver_area = -600; 4290 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4291 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4292 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4293 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4294 synaptics_sysctl, "I", 4295 "Area reserved for vertical virtual scrolling"); 4296 4297 /* hw.psm.synaptics.vscroll_min_delta. */ 4298 sc->syninfo.vscroll_min_delta = 50; 4299 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4300 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4301 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4302 &sc->syninfo.vscroll_min_delta, 4303 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4304 synaptics_sysctl, "I", 4305 "Minimum movement to consider virtual scrolling"); 4306 4307 /* hw.psm.synaptics.vscroll_div_min. */ 4308 sc->syninfo.vscroll_div_min = 100; 4309 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4310 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4311 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4312 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4313 synaptics_sysctl, "I", 4314 "Divisor for fast scrolling"); 4315 4316 /* hw.psm.synaptics.vscroll_div_min. */ 4317 sc->syninfo.vscroll_div_max = 150; 4318 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4319 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4320 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4321 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4322 synaptics_sysctl, "I", 4323 "Divisor for slow scrolling"); 4324 } 4325 4326 static int 4327 enable_synaptics(struct psm_softc *sc) 4328 { 4329 int status[3]; 4330 KBDC kbdc; 4331 4332 if (!synaptics_support) 4333 return (FALSE); 4334 4335 kbdc = sc->kbdc; 4336 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4337 sc->hw.buttons = 3; 4338 sc->squelch = 0; 4339 4340 /* 4341 * Just to be on the safe side: this avoids troubles with 4342 * following mouse_ext_command() when the previous command 4343 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4344 * Synaptics Touchpad behaviour. 4345 */ 4346 set_mouse_scaling(kbdc, 1); 4347 4348 /* Identify the Touchpad version. */ 4349 if (mouse_ext_command(kbdc, 0) == 0) 4350 return (FALSE); 4351 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4352 return (FALSE); 4353 if (status[1] != 0x47) 4354 return (FALSE); 4355 4356 sc->synhw.infoMinor = status[0]; 4357 sc->synhw.infoMajor = status[2] & 0x0f; 4358 4359 if (verbose >= 2) 4360 kprintf("Synaptics Touchpad v%d.%d\n", sc->synhw.infoMajor, 4361 sc->synhw.infoMinor); 4362 4363 if (sc->synhw.infoMajor < 4) { 4364 kprintf(" Unsupported (pre-v4) Touchpad detected\n"); 4365 return (FALSE); 4366 } 4367 4368 /* Get the Touchpad model information. */ 4369 if (mouse_ext_command(kbdc, 3) == 0) 4370 return (FALSE); 4371 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4372 return (FALSE); 4373 if ((status[1] & 0x01) != 0) { 4374 kprintf(" Failed to read model information\n"); 4375 return (FALSE); 4376 } 4377 4378 sc->synhw.infoRot180 = (status[0] & 0x80) >> 7; 4379 sc->synhw.infoPortrait = (status[0] & 0x40) >> 6; 4380 sc->synhw.infoSensor = status[0] & 0x3f; 4381 sc->synhw.infoHardware = (status[1] & 0xfe) >> 1; 4382 sc->synhw.infoNewAbs = (status[2] & 0x80) >> 7; 4383 sc->synhw.capPen = (status[2] & 0x40) >> 6; 4384 sc->synhw.infoSimplC = (status[2] & 0x20) >> 5; 4385 sc->synhw.infoGeometry = status[2] & 0x0f; 4386 4387 if (verbose >= 2) { 4388 kprintf(" Model information:\n"); 4389 kprintf(" infoRot180: %d\n", sc->synhw.infoRot180); 4390 kprintf(" infoPortrait: %d\n", sc->synhw.infoPortrait); 4391 kprintf(" infoSensor: %d\n", sc->synhw.infoSensor); 4392 kprintf(" infoHardware: %d\n", sc->synhw.infoHardware); 4393 kprintf(" infoNewAbs: %d\n", sc->synhw.infoNewAbs); 4394 kprintf(" capPen: %d\n", sc->synhw.capPen); 4395 kprintf(" infoSimplC: %d\n", sc->synhw.infoSimplC); 4396 kprintf(" infoGeometry: %d\n", sc->synhw.infoGeometry); 4397 } 4398 4399 /* Read the extended capability bits. */ 4400 if (mouse_ext_command(kbdc, 2) == 0) 4401 return (FALSE); 4402 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4403 return (FALSE); 4404 if (status[1] != 0x47) { 4405 kprintf(" Failed to read extended capability bits\n"); 4406 return (FALSE); 4407 } 4408 4409 /* Set the different capabilities when they exist. */ 4410 if ((status[0] & 0x80) >> 7) { 4411 sc->synhw.capExtended = (status[0] & 0x80) >> 7; 4412 sc->synhw.capPassthrough = (status[2] & 0x80) >> 7; 4413 sc->synhw.capSleep = (status[2] & 0x10) >> 4; 4414 sc->synhw.capFourButtons = (status[2] & 0x08) >> 3; 4415 sc->synhw.capMultiFinger = (status[2] & 0x02) >> 1; 4416 sc->synhw.capPalmDetect = (status[2] & 0x01); 4417 4418 if (verbose >= 2) { 4419 kprintf(" Extended capabilities:\n"); 4420 kprintf(" capExtended: %d\n", sc->synhw.capExtended); 4421 kprintf(" capPassthrough: %d\n", 4422 sc->synhw.capPassthrough); 4423 kprintf(" capSleep: %d\n", sc->synhw.capSleep); 4424 kprintf(" capFourButtons: %d\n", 4425 sc->synhw.capFourButtons); 4426 kprintf(" capMultiFinger: %d\n", 4427 sc->synhw.capMultiFinger); 4428 kprintf(" capPalmDetect: %d\n", 4429 sc->synhw.capPalmDetect); 4430 } 4431 4432 /* 4433 * If we have bits set in status[0] & 0x70, then we can load 4434 * more information about buttons using query 0x09. 4435 */ 4436 if (status[0] & 0x70) { 4437 if (mouse_ext_command(kbdc, 0x09) == 0) 4438 return (FALSE); 4439 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4440 return (FALSE); 4441 sc->hw.buttons = ((status[1] & 0xf0) >> 4) + 3; 4442 if (verbose >= 2) 4443 kprintf(" Additional Buttons: %d\n", 4444 sc->hw.buttons -3); 4445 } 4446 } else { 4447 sc->synhw.capExtended = 0; 4448 4449 if (verbose >= 2) 4450 kprintf(" No extended capabilities\n"); 4451 } 4452 4453 /* 4454 * Read the mode byte. 4455 * 4456 * XXX: Note the Synaptics documentation also defines the first 4457 * byte of the response to this query to be a constant 0x3b, this 4458 * does not appear to be true for Touchpads with guest devices. 4459 */ 4460 if (mouse_ext_command(kbdc, 1) == 0) 4461 return (FALSE); 4462 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4463 return (FALSE); 4464 if (status[1] != 0x47) { 4465 kprintf(" Failed to read mode byte\n"); 4466 return (FALSE); 4467 } 4468 4469 /* Set the mode byte; request wmode where available. */ 4470 if (sc->synhw.capExtended) 4471 mouse_ext_command(kbdc, 0xc1); 4472 else 4473 mouse_ext_command(kbdc, 0xc0); 4474 4475 /* "Commit" the Set Mode Byte command sent above. */ 4476 set_mouse_sampling_rate(kbdc, 20); 4477 4478 /* 4479 * Report the correct number of buttons 4480 * 4481 * XXX: I'm not sure this is used anywhere. 4482 */ 4483 if (sc->synhw.capExtended && sc->synhw.capFourButtons) 4484 sc->hw.buttons = 4; 4485 4486 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", 4487 sc->hw.buttons)); 4488 4489 /* Create sysctl tree. */ 4490 synaptics_sysctl_create_tree(sc); 4491 4492 /* 4493 * The touchpad will have to be reinitialized after 4494 * suspend/resume. 4495 */ 4496 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4497 4498 return (TRUE); 4499 } 4500 4501 /* Interlink electronics VersaPad */ 4502 static int 4503 enable_versapad(struct psm_softc *sc) 4504 { 4505 KBDC kbdc = sc->kbdc; 4506 int data[3]; 4507 4508 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 4509 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 4510 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4511 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4512 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4513 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4514 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 4515 return (FALSE); 4516 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 4517 return (FALSE); 4518 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4519 4520 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4521 4522 return (TRUE); /* PS/2 absolute mode */ 4523 } 4524 4525 /* 4526 * Return true if 'now' is earlier than (start + (secs.usecs)). 4527 * Now may be NULL and the function will fetch the current time from 4528 * getmicrouptime(), or a cached 'now' can be passed in. 4529 * All values should be numbers derived from getmicrouptime(). 4530 */ 4531 static int 4532 timeelapsed(const struct timeval *start, int secs, int usecs, 4533 const struct timeval *now) 4534 { 4535 struct timeval snow, tv; 4536 4537 /* if there is no 'now' passed in, the get it as a convience. */ 4538 if (now == NULL) { 4539 getmicrouptime(&snow); 4540 now = &snow; 4541 } 4542 4543 tv.tv_sec = secs; 4544 tv.tv_usec = usecs; 4545 timevaladd(&tv, start); 4546 return (timevalcmp(&tv, now, <)); 4547 } 4548 4549 static int 4550 psmresume(device_t dev) 4551 { 4552 struct psm_softc *sc = device_get_softc(dev); 4553 int unit = device_get_unit(dev); 4554 int err; 4555 4556 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 4557 4558 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 4559 return (0); 4560 4561 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 4562 4563 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 4564 /* 4565 * Release the blocked process; it must be notified that 4566 * the device cannot be accessed anymore. 4567 */ 4568 sc->state &= ~PSM_ASLP; 4569 wakeup(sc); 4570 } 4571 4572 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 4573 4574 return (err); 4575 } 4576 4577 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, NULL, NULL); 4578 4579 4580 #if 0 4581 /* 4582 * This sucks up assignments from PNPBIOS and ACPI. 4583 */ 4584 4585 /* 4586 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 4587 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 4588 * can be probed and attached only after the AT keyboard controller is 4589 * attached, we shall quietly reserve the IRQ resource for later use. 4590 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 4591 * copy the IRQ resource to the PS/2 mouse device instance hanging 4592 * under the keyboard controller, then probe and attach it. 4593 */ 4594 4595 static devclass_t psmcpnp_devclass; 4596 4597 static device_probe_t psmcpnp_probe; 4598 static device_attach_t psmcpnp_attach; 4599 4600 static device_method_t psmcpnp_methods[] = { 4601 DEVMETHOD(device_probe, psmcpnp_probe), 4602 DEVMETHOD(device_attach, psmcpnp_attach), 4603 4604 DEVMETHOD_END 4605 }; 4606 4607 static driver_t psmcpnp_driver = { 4608 PSMCPNP_DRIVER_NAME, 4609 psmcpnp_methods, 4610 1, /* no softc */ 4611 }; 4612 4613 static struct isa_pnp_id psmcpnp_ids[] = { 4614 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 4615 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 4616 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 4617 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 4618 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 4619 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 4620 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 4621 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 4622 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 4623 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 4624 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 4625 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 4626 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 4627 { 0 } 4628 }; 4629 4630 static int 4631 create_a_copy(device_t atkbdc, device_t me) 4632 { 4633 device_t psm; 4634 u_long irq; 4635 4636 /* find the PS/2 mouse device instance under the keyboard controller */ 4637 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 4638 device_get_unit(atkbdc)); 4639 if (psm == NULL) 4640 return (ENXIO); 4641 if (device_get_state(psm) != DS_NOTPRESENT) 4642 return (0); 4643 4644 /* move our resource to the found device */ 4645 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 4646 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1, 4647 machintr_legacy_intr_cpuid(irq)); 4648 4649 /* ...then probe and attach it */ 4650 return (device_probe_and_attach(psm)); 4651 } 4652 4653 static int 4654 psmcpnp_probe(device_t dev) 4655 { 4656 struct resource *res; 4657 u_long irq; 4658 int rid; 4659 4660 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 4661 return (ENXIO); 4662 4663 /* 4664 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 4665 * to the PS/2 mouse device node. But, some buggy PnP BIOS 4666 * declares the PS/2 mouse device node without an IRQ resource! 4667 * If this happens, we shall refer to device hints. 4668 * If we still don't find it there, use a hardcoded value... XXX 4669 */ 4670 rid = 0; 4671 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 4672 if (irq <= 0) { 4673 if (resource_long_value(PSM_DRIVER_NAME, 4674 device_get_unit(dev),"irq", &irq) != 0) 4675 irq = 12; /* XXX */ 4676 device_printf(dev, "irq resource info is missing; " 4677 "assuming irq %ld\n", irq); 4678 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1, 4679 machintr_legacy_intr_cpuid(irq)); 4680 } 4681 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4682 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 4683 4684 /* keep quiet */ 4685 if (!bootverbose) 4686 device_quiet(dev); 4687 4688 return ((res == NULL) ? ENXIO : 0); 4689 } 4690 4691 static int 4692 psmcpnp_attach(device_t dev) 4693 { 4694 device_t atkbdc; 4695 int rid; 4696 4697 /* find the keyboard controller, which may be on acpi* or isa* bus */ 4698 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 4699 device_get_unit(dev)); 4700 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 4701 create_a_copy(atkbdc, dev); 4702 else { 4703 /* 4704 * If we don't have the AT keyboard controller yet, 4705 * just reserve the IRQ for later use... 4706 * (See psmidentify() above.) 4707 */ 4708 rid = 0; 4709 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4710 } 4711 4712 return (0); 4713 } 4714 4715 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, NULL, NULL); 4716 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, NULL, NULL); 4717 #endif
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