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 \ 472 ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 473 474 /* device driver declarateion */ 475 static device_method_t psm_methods[] = { 476 /* Device interface */ 477 DEVMETHOD(device_identify, psmidentify), 478 DEVMETHOD(device_probe, psmprobe), 479 DEVMETHOD(device_attach, psmattach), 480 DEVMETHOD(device_detach, psmdetach), 481 DEVMETHOD(device_resume, psmresume), 482 483 { 0, 0 } 484 }; 485 486 static driver_t psm_driver = { 487 PSM_DRIVER_NAME, 488 psm_methods, 489 sizeof(struct psm_softc), 490 }; 491 492 static struct dev_ops psm_ops = { 493 { PSM_DRIVER_NAME, 0, 0 }, 494 .d_open = psmopen, 495 .d_close = psmclose, 496 .d_read = psmread, 497 .d_write = psmwrite, 498 .d_ioctl = psmioctl, 499 .d_kqfilter = psmkqfilter 500 }; 501 502 /* device I/O routines */ 503 static int 504 enable_aux_dev(KBDC kbdc) 505 { 506 int res; 507 508 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 509 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 510 511 return (res == PSM_ACK); 512 } 513 514 static int 515 disable_aux_dev(KBDC kbdc) 516 { 517 int res; 518 519 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 520 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 521 522 return (res == PSM_ACK); 523 } 524 525 static int 526 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 527 { 528 int cmd; 529 int res; 530 int i; 531 532 switch (flag) { 533 case 0: 534 default: 535 cmd = PSMC_SEND_DEV_STATUS; 536 break; 537 case 1: 538 cmd = PSMC_SEND_DEV_DATA; 539 break; 540 } 541 empty_aux_buffer(kbdc, 5); 542 res = send_aux_command(kbdc, cmd); 543 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 544 (flag == 1) ? "DATA" : "STATUS", res)); 545 if (res != PSM_ACK) 546 return (0); 547 548 for (i = 0; i < len; ++i) { 549 status[i] = read_aux_data(kbdc); 550 if (status[i] < 0) 551 break; 552 } 553 554 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 555 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 556 557 return (i); 558 } 559 560 static int 561 get_aux_id(KBDC kbdc) 562 { 563 int res; 564 int id; 565 566 empty_aux_buffer(kbdc, 5); 567 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 568 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 569 if (res != PSM_ACK) 570 return (-1); 571 572 /* 10ms delay */ 573 DRIVERSLEEP(10000); 574 575 id = read_aux_data(kbdc); 576 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 577 578 return (id); 579 } 580 581 static int 582 set_mouse_sampling_rate(KBDC kbdc, int rate) 583 { 584 int res; 585 586 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 587 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 588 589 return ((res == PSM_ACK) ? rate : -1); 590 } 591 592 static int 593 set_mouse_scaling(KBDC kbdc, int scale) 594 { 595 int res; 596 597 switch (scale) { 598 case 1: 599 default: 600 scale = PSMC_SET_SCALING11; 601 break; 602 case 2: 603 scale = PSMC_SET_SCALING21; 604 break; 605 } 606 res = send_aux_command(kbdc, scale); 607 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 608 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 609 610 return (res == PSM_ACK); 611 } 612 613 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 614 static int 615 set_mouse_resolution(KBDC kbdc, int val) 616 { 617 int res; 618 619 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 620 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 621 622 return ((res == PSM_ACK) ? val : -1); 623 } 624 625 /* 626 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 627 * re-enabled by calling `enable_aux_dev()' 628 */ 629 static int 630 set_mouse_mode(KBDC kbdc) 631 { 632 int res; 633 634 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 635 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 636 637 return (res == PSM_ACK); 638 } 639 640 static int 641 get_mouse_buttons(KBDC kbdc) 642 { 643 int c = 2; /* assume two buttons by default */ 644 int status[3]; 645 646 /* 647 * NOTE: a special sequence to obtain Logitech Mouse specific 648 * information: set resolution to 25 ppi, set scaling to 1:1, set 649 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 650 * mouse status bytes is the number of available buttons. 651 * Some manufactures also support this sequence. 652 */ 653 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 654 return (c); 655 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 656 set_mouse_scaling(kbdc, 1) && 657 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 658 return (status[1]); 659 return (c); 660 } 661 662 /* misc subroutines */ 663 /* 664 * Someday, I will get the complete list of valid pointing devices and 665 * their IDs... XXX 666 */ 667 static int 668 is_a_mouse(int id) 669 { 670 #if 0 671 static int valid_ids[] = { 672 PSM_MOUSE_ID, /* mouse */ 673 PSM_BALLPOINT_ID, /* ballpoint device */ 674 PSM_INTELLI_ID, /* Intellimouse */ 675 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 676 -1 /* end of table */ 677 }; 678 int i; 679 680 for (i = 0; valid_ids[i] >= 0; ++i) 681 if (valid_ids[i] == id) 682 return (TRUE); 683 return (FALSE); 684 #else 685 return (TRUE); 686 #endif 687 } 688 689 static char * 690 model_name(int model) 691 { 692 static struct { 693 int model_code; 694 char *model_name; 695 } models[] = { 696 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 697 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 698 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 699 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 700 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 701 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 702 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 703 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 704 { MOUSE_MODEL_4D, "4D Mouse" }, 705 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 706 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 707 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 708 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 709 }; 710 int i; 711 712 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 713 if (models[i].model_code == model) 714 break; 715 return (models[i].model_name); 716 } 717 718 static void 719 recover_from_error(KBDC kbdc) 720 { 721 /* discard anything left in the output buffer */ 722 empty_both_buffers(kbdc, 10); 723 724 #if 0 725 /* 726 * NOTE: KBDC_RESET_KBD may not restore the communication between the 727 * keyboard and the controller. 728 */ 729 reset_kbd(kbdc); 730 #else 731 /* 732 * NOTE: somehow diagnostic and keyboard port test commands bring the 733 * keyboard back. 734 */ 735 if (!test_controller(kbdc)) 736 log(LOG_ERR, "psm: keyboard controller failed.\n"); 737 /* if there isn't a keyboard in the system, the following error is OK */ 738 if (test_kbd_port(kbdc) != 0) 739 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 740 #endif 741 } 742 743 static int 744 restore_controller(KBDC kbdc, int command_byte) 745 { 746 empty_both_buffers(kbdc, 10); 747 748 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 749 log(LOG_ERR, "psm: failed to restore the keyboard controller " 750 "command byte.\n"); 751 empty_both_buffers(kbdc, 10); 752 return (FALSE); 753 } else { 754 empty_both_buffers(kbdc, 10); 755 return (TRUE); 756 } 757 } 758 759 /* 760 * Re-initialize the aux port and device. The aux port must be enabled 761 * and its interrupt must be disabled before calling this routine. 762 * The aux device will be disabled before returning. 763 * The keyboard controller must be locked via `kbdc_lock()' before 764 * calling this routine. 765 */ 766 static int 767 doinitialize(struct psm_softc *sc, mousemode_t *mode) 768 { 769 KBDC kbdc = sc->kbdc; 770 int stat[3]; 771 int i; 772 773 switch((i = test_aux_port(kbdc))) { 774 case 1: /* ignore these errors */ 775 case 2: 776 case 3: 777 case PSM_ACK: 778 if (verbose) 779 log(LOG_DEBUG, 780 "psm%d: strange result for test aux port (%d).\n", 781 sc->unit, i); 782 /* FALLTHROUGH */ 783 case 0: /* no error */ 784 break; 785 case -1: /* time out */ 786 default: /* error */ 787 recover_from_error(kbdc); 788 if (sc->config & PSM_CONFIG_IGNPORTERROR) 789 break; 790 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 791 sc->unit, i); 792 return (FALSE); 793 } 794 795 if (sc->config & PSM_CONFIG_NORESET) { 796 /* 797 * Don't try to reset the pointing device. It may possibly 798 * be left in the unknown state, though... 799 */ 800 } else { 801 /* 802 * NOTE: some controllers appears to hang the `keyboard' when 803 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 804 */ 805 if (!reset_aux_dev(kbdc)) { 806 recover_from_error(kbdc); 807 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 808 sc->unit); 809 return (FALSE); 810 } 811 } 812 813 /* 814 * both the aux port and the aux device is functioning, see 815 * if the device can be enabled. 816 */ 817 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 818 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 819 sc->unit); 820 return (FALSE); 821 } 822 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 823 824 if (sc->config & PSM_CONFIG_NOIDPROBE) 825 i = GENERIC_MOUSE_ENTRY; 826 else { 827 /* FIXME: hardware ID, mouse buttons? */ 828 829 /* other parameters */ 830 for (i = 0; vendortype[i].probefunc != NULL; ++i) 831 if ((*vendortype[i].probefunc)(sc)) { 832 if (verbose >= 2) 833 log(LOG_ERR, "psm%d: found %s\n", 834 sc->unit, 835 model_name(vendortype[i].model)); 836 break; 837 } 838 } 839 840 sc->hw.model = vendortype[i].model; 841 sc->mode.packetsize = vendortype[i].packetsize; 842 843 /* set mouse parameters */ 844 if (mode != NULL) { 845 if (mode->rate > 0) 846 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 847 if (mode->resolution >= 0) 848 mode->resolution = 849 set_mouse_resolution(kbdc, mode->resolution); 850 set_mouse_scaling(kbdc, 1); 851 set_mouse_mode(kbdc); 852 } 853 854 /* Record sync on the next data packet we see. */ 855 sc->flags |= PSM_NEED_SYNCBITS; 856 857 /* just check the status of the mouse */ 858 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 859 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 860 sc->unit); 861 862 return (TRUE); 863 } 864 865 static int 866 doopen(struct psm_softc *sc, int command_byte) 867 { 868 int stat[3]; 869 870 /* 871 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 872 * no obvious reason. Thus we check the current mode and restore the 873 * Absolute Mode if it was cleared. 874 * 875 * The previous hack at the end of psmprobe() wasn't efficient when 876 * moused(8) was restarted. 877 * 878 * A Reset (FF) or Set Defaults (F6) command would clear the 879 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 880 * doesn't show any evidence of such a command. 881 */ 882 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 883 mouse_ext_command(sc->kbdc, 1); 884 get_mouse_status(sc->kbdc, stat, 0, 3); 885 if (stat[1] == 0x47 && stat[2] == 0x40) { 886 /* Set the mode byte -- request wmode where 887 * available */ 888 if (sc->synhw.capExtended) 889 mouse_ext_command(sc->kbdc, 0xc1); 890 else 891 mouse_ext_command(sc->kbdc, 0xc0); 892 set_mouse_sampling_rate(sc->kbdc, 20); 893 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 894 "hopefully restored\n", 895 sc->unit)); 896 } 897 } 898 899 /* 900 * A user may want to disable tap and drag gestures on a Synaptics 901 * TouchPad when it operates in Relative Mode. 902 */ 903 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 904 if (tap_enabled > 0) { 905 /* 906 * Enable tap & drag gestures. We use a Mode Byte 907 * and clear the DisGest bit (see §2.5 of Synaptics 908 * TouchPad Interfacing Guide). 909 */ 910 VLOG(2, (LOG_DEBUG, 911 "psm%d: enable tap and drag gestures\n", 912 sc->unit)); 913 mouse_ext_command(sc->kbdc, 0x00); 914 set_mouse_sampling_rate(sc->kbdc, 20); 915 } else if (tap_enabled == 0) { 916 /* 917 * Disable tap & drag gestures. We use a Mode Byte 918 * and set the DisGest bit (see §2.5 of Synaptics 919 * TouchPad Interfacing Guide). 920 */ 921 VLOG(2, (LOG_DEBUG, 922 "psm%d: disable tap and drag gestures\n", 923 sc->unit)); 924 mouse_ext_command(sc->kbdc, 0x04); 925 set_mouse_sampling_rate(sc->kbdc, 20); 926 } 927 } 928 929 /* enable the mouse device */ 930 if (!enable_aux_dev(sc->kbdc)) { 931 /* MOUSE ERROR: failed to enable the mouse because: 932 * 1) the mouse is faulty, 933 * 2) the mouse has been removed(!?) 934 * In the latter case, the keyboard may have hung, and need 935 * recovery procedure... 936 */ 937 recover_from_error(sc->kbdc); 938 #if 0 939 /* FIXME: we could reset the mouse here and try to enable 940 * it again. But it will take long time and it's not a good 941 * idea to disable the keyboard that long... 942 */ 943 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 944 recover_from_error(sc->kbdc); 945 #else 946 { 947 #endif 948 restore_controller(sc->kbdc, command_byte); 949 /* mark this device is no longer available */ 950 sc->state &= ~PSM_VALID; 951 log(LOG_ERR, 952 "psm%d: failed to enable the device (doopen).\n", 953 sc->unit); 954 return (EIO); 955 } 956 } 957 958 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 959 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 960 sc->unit); 961 962 /* enable the aux port and interrupt */ 963 if (!set_controller_command_byte(sc->kbdc, 964 kbdc_get_device_mask(sc->kbdc), 965 (command_byte & KBD_KBD_CONTROL_BITS) | 966 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 967 /* CONTROLLER ERROR */ 968 disable_aux_dev(sc->kbdc); 969 restore_controller(sc->kbdc, command_byte); 970 log(LOG_ERR, 971 "psm%d: failed to enable the aux interrupt (doopen).\n", 972 sc->unit); 973 return (EIO); 974 } 975 976 /* start the watchdog timer */ 977 sc->watchdog = FALSE; 978 callout_reset(&sc->callout, hz * 2, psmtimeout, (void *)(uintptr_t)sc); 979 980 return (0); 981 } 982 983 static int 984 reinitialize(struct psm_softc *sc, int doinit) 985 { 986 int err; 987 int c; 988 989 /* don't let anybody mess with the aux device */ 990 if (!kbdc_lock(sc->kbdc, TRUE)) 991 return (EIO); 992 993 crit_enter(); 994 995 /* block our watchdog timer */ 996 sc->watchdog = FALSE; 997 callout_stop(&sc->callout); 998 999 /* save the current controller command byte */ 1000 empty_both_buffers(sc->kbdc, 10); 1001 c = get_controller_command_byte(sc->kbdc); 1002 VLOG(2, (LOG_DEBUG, 1003 "psm%d: current command byte: %04x (reinitialize).\n", 1004 sc->unit, c)); 1005 1006 /* enable the aux port but disable the aux interrupt and the keyboard */ 1007 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 1008 kbdc_get_device_mask(sc->kbdc), 1009 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1010 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1011 /* CONTROLLER ERROR */ 1012 crit_exit(); 1013 kbdc_lock(sc->kbdc, FALSE); 1014 log(LOG_ERR, 1015 "psm%d: unable to set the command byte (reinitialize).\n", 1016 sc->unit); 1017 return (EIO); 1018 } 1019 1020 /* flush any data */ 1021 if (sc->state & PSM_VALID) { 1022 /* this may fail; but never mind... */ 1023 disable_aux_dev(sc->kbdc); 1024 empty_aux_buffer(sc->kbdc, 10); 1025 } 1026 flushpackets(sc); 1027 sc->syncerrors = 0; 1028 sc->pkterrors = 0; 1029 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1030 1031 /* try to detect the aux device; are you still there? */ 1032 err = 0; 1033 if (doinit) { 1034 if (doinitialize(sc, &sc->mode)) { 1035 /* yes */ 1036 sc->state |= PSM_VALID; 1037 } else { 1038 /* the device has gone! */ 1039 restore_controller(sc->kbdc, c); 1040 sc->state &= ~PSM_VALID; 1041 log(LOG_ERR, 1042 "psm%d: the aux device has gone! (reinitialize).\n", 1043 sc->unit); 1044 err = ENXIO; 1045 } 1046 } 1047 crit_exit(); 1048 1049 /* restore the driver state */ 1050 if ((sc->state & PSM_OPEN) && (err == 0)) { 1051 /* enable the aux device and the port again */ 1052 err = doopen(sc, c); 1053 if (err != 0) 1054 log(LOG_ERR, "psm%d: failed to enable the device " 1055 "(reinitialize).\n", sc->unit); 1056 } else { 1057 /* restore the keyboard port and disable the aux port */ 1058 if (!set_controller_command_byte(sc->kbdc, 1059 kbdc_get_device_mask(sc->kbdc), 1060 (c & KBD_KBD_CONTROL_BITS) | 1061 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1062 /* CONTROLLER ERROR */ 1063 log(LOG_ERR, "psm%d: failed to disable the aux port " 1064 "(reinitialize).\n", sc->unit); 1065 err = EIO; 1066 } 1067 } 1068 1069 kbdc_lock(sc->kbdc, FALSE); 1070 return (err); 1071 } 1072 1073 /* psm driver entry points */ 1074 1075 static void 1076 psmidentify(driver_t *driver, device_t parent) 1077 { 1078 device_t psmc; 1079 device_t psm; 1080 u_long irq; 1081 int unit; 1082 1083 unit = device_get_unit(parent); 1084 1085 /* always add at least one child */ 1086 psm = BUS_ADD_CHILD(parent, parent, KBDC_RID_AUX, driver->name, unit); 1087 if (psm == NULL) 1088 return; 1089 1090 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1091 if (irq > 0) 1092 return; 1093 1094 /* 1095 * If the PS/2 mouse device has already been reported by ACPI or 1096 * PnP BIOS, obtain the IRQ resource from it. 1097 * (See psmcpnp_attach() below.) 1098 */ 1099 psmc = device_find_child(device_get_parent(parent), 1100 PSMCPNP_DRIVER_NAME, unit); 1101 if (psmc == NULL) 1102 return; 1103 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1104 if (irq <= 0) 1105 return; 1106 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1, 1107 machintr_intr_cpuid(irq)); 1108 } 1109 1110 #define endprobe(v) do { \ 1111 if (bootverbose) \ 1112 --verbose; \ 1113 kbdc_set_device_mask(sc->kbdc, mask); \ 1114 kbdc_lock(sc->kbdc, FALSE); \ 1115 return (v); \ 1116 } while (0) 1117 1118 static int 1119 psmprobe(device_t dev) 1120 { 1121 int unit = device_get_unit(dev); 1122 struct psm_softc *sc = device_get_softc(dev); 1123 uintptr_t irq; 1124 uintptr_t flags; 1125 int stat[3]; 1126 int command_byte; 1127 int mask; 1128 int i; 1129 1130 #if 0 1131 kbdc_debug(TRUE); 1132 #endif 1133 1134 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 1135 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 1136 1137 sc->unit = unit; 1138 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1139 sc->config = flags & PSM_CONFIG_FLAGS; 1140 /* XXX: for backward compatibility */ 1141 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1142 sc->config |= 1143 #ifdef PSM_RESETAFTERSUSPEND 1144 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 1145 #else 1146 PSM_CONFIG_HOOKRESUME; 1147 #endif 1148 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1149 sc->flags = 0; 1150 if (bootverbose) 1151 ++verbose; 1152 1153 device_set_desc(dev, "PS/2 Mouse"); 1154 1155 if (!kbdc_lock(sc->kbdc, TRUE)) { 1156 kprintf("psm%d: unable to lock the controller.\n", unit); 1157 if (bootverbose) 1158 --verbose; 1159 return (ENXIO); 1160 } 1161 1162 /* 1163 * NOTE: two bits in the command byte controls the operation of the 1164 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1165 * port interrupt (IRQ 12) enable bit (bit 2). 1166 */ 1167 1168 /* discard anything left after the keyboard initialization */ 1169 empty_both_buffers(sc->kbdc, 10); 1170 1171 /* save the current command byte; it will be used later */ 1172 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1173 command_byte = get_controller_command_byte(sc->kbdc); 1174 if (verbose) 1175 kprintf("psm%d: current command byte:%04x\n", unit, 1176 command_byte); 1177 if (command_byte == -1) { 1178 /* CONTROLLER ERROR */ 1179 kprintf("psm%d: unable to get the current command byte value.\n", 1180 unit); 1181 endprobe(ENXIO); 1182 } 1183 1184 /* 1185 * disable the keyboard port while probing the aux port, which must be 1186 * enabled during this routine 1187 */ 1188 if (!set_controller_command_byte(sc->kbdc, 1189 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1190 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1191 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1192 /* 1193 * this is CONTROLLER ERROR; I don't know how to recover 1194 * from this error... 1195 */ 1196 restore_controller(sc->kbdc, command_byte); 1197 kprintf("psm%d: unable to set the command byte.\n", unit); 1198 endprobe(ENXIO); 1199 } 1200 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1201 1202 /* 1203 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1204 * port exists and is functioning. However, some controllers appears 1205 * to respond with zero even when the aux port doesn't exist. (It may 1206 * be that this is only the case when the controller DOES have the aux 1207 * port but the port is not wired on the motherboard.) The keyboard 1208 * controllers without the port, such as the original AT, are 1209 * supporsed to return with an error code or simply time out. In any 1210 * case, we have to continue probing the port even when the controller 1211 * passes this test. 1212 * 1213 * XXX: some controllers erroneously return the error code 1, 2 or 3 1214 * when it has the perfectly functional aux port. We have to ignore 1215 * this error code. Even if the controller HAS error with the aux 1216 * port, it will be detected later... 1217 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1218 */ 1219 switch ((i = test_aux_port(sc->kbdc))) { 1220 case 1: /* ignore these errors */ 1221 case 2: 1222 case 3: 1223 case PSM_ACK: 1224 if (verbose) 1225 kprintf("psm%d: strange result for test aux port " 1226 "(%d).\n", unit, i); 1227 /* FALLTHROUGH */ 1228 case 0: /* no error */ 1229 break; 1230 case -1: /* time out */ 1231 default: /* error */ 1232 recover_from_error(sc->kbdc); 1233 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1234 break; 1235 restore_controller(sc->kbdc, command_byte); 1236 if (verbose) 1237 kprintf("psm%d: the aux port is not functioning (%d).\n", 1238 unit, i); 1239 endprobe(ENXIO); 1240 } 1241 1242 if (sc->config & PSM_CONFIG_NORESET) { 1243 /* 1244 * Don't try to reset the pointing device. It may possibly be 1245 * left in the unknown state, though... 1246 */ 1247 } else { 1248 /* 1249 * NOTE: some controllers appears to hang the `keyboard' when 1250 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1251 * 1252 * Attempt to reset the controller twice -- this helps 1253 * pierce through some KVM switches. The second reset 1254 * is non-fatal. 1255 */ 1256 if (!reset_aux_dev(sc->kbdc)) { 1257 recover_from_error(sc->kbdc); 1258 restore_controller(sc->kbdc, command_byte); 1259 if (verbose) 1260 kprintf("psm%d: failed to reset the aux " 1261 "device.\n", unit); 1262 endprobe(ENXIO); 1263 } else if (!reset_aux_dev(sc->kbdc)) { 1264 recover_from_error(sc->kbdc); 1265 if (verbose >= 2) 1266 kprintf("psm%d: failed to reset the aux device " 1267 "(2).\n", unit); 1268 } 1269 } 1270 1271 /* 1272 * both the aux port and the aux device is functioning, see if the 1273 * device can be enabled. NOTE: when enabled, the device will start 1274 * sending data; we shall immediately disable the device once we know 1275 * the device can be enabled. 1276 */ 1277 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1278 /* MOUSE ERROR */ 1279 recover_from_error(sc->kbdc); 1280 restore_controller(sc->kbdc, command_byte); 1281 if (verbose) 1282 kprintf("psm%d: failed to enable the aux device.\n", 1283 unit); 1284 endprobe(ENXIO); 1285 } 1286 1287 /* save the default values after reset */ 1288 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1289 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1290 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1291 } else { 1292 sc->dflt_mode.rate = sc->mode.rate = -1; 1293 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1294 } 1295 1296 /* hardware information */ 1297 sc->hw.iftype = MOUSE_IF_PS2; 1298 1299 /* verify the device is a mouse */ 1300 sc->hw.hwid = get_aux_id(sc->kbdc); 1301 if (!is_a_mouse(sc->hw.hwid)) { 1302 restore_controller(sc->kbdc, command_byte); 1303 if (verbose) 1304 kprintf("psm%d: unknown device type (%d).\n", unit, 1305 sc->hw.hwid); 1306 endprobe(ENXIO); 1307 } 1308 switch (sc->hw.hwid) { 1309 case PSM_BALLPOINT_ID: 1310 sc->hw.type = MOUSE_TRACKBALL; 1311 break; 1312 case PSM_MOUSE_ID: 1313 case PSM_INTELLI_ID: 1314 case PSM_EXPLORER_ID: 1315 case PSM_4DMOUSE_ID: 1316 case PSM_4DPLUS_ID: 1317 sc->hw.type = MOUSE_MOUSE; 1318 break; 1319 default: 1320 sc->hw.type = MOUSE_UNKNOWN; 1321 break; 1322 } 1323 1324 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1325 sc->hw.buttons = 2; 1326 i = GENERIC_MOUSE_ENTRY; 1327 } else { 1328 /* # of buttons */ 1329 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1330 1331 /* other parameters */ 1332 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1333 if ((*vendortype[i].probefunc)(sc)) { 1334 if (verbose >= 2) 1335 kprintf("psm%d: found %s\n", unit, 1336 model_name(vendortype[i].model)); 1337 break; 1338 } 1339 } 1340 1341 sc->hw.model = vendortype[i].model; 1342 1343 sc->dflt_mode.level = PSM_LEVEL_BASE; 1344 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1345 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1346 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1347 sc->dflt_mode.syncmask[0] = 0; 1348 else 1349 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1350 if (sc->config & PSM_CONFIG_FORCETAP) 1351 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1352 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1353 sc->mode = sc->dflt_mode; 1354 sc->mode.packetsize = vendortype[i].packetsize; 1355 1356 /* set mouse parameters */ 1357 #if 0 1358 /* 1359 * A version of Logitech FirstMouse+ won't report wheel movement, 1360 * if SET_DEFAULTS is sent... Don't use this command. 1361 * This fix was found by Takashi Nishida. 1362 */ 1363 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1364 if (verbose >= 2) 1365 kprintf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1366 #endif 1367 if (sc->config & PSM_CONFIG_RESOLUTION) 1368 sc->mode.resolution = 1369 set_mouse_resolution(sc->kbdc, 1370 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1371 else if (sc->mode.resolution >= 0) 1372 sc->mode.resolution = 1373 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1374 if (sc->mode.rate > 0) 1375 sc->mode.rate = 1376 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1377 set_mouse_scaling(sc->kbdc, 1); 1378 1379 /* Record sync on the next data packet we see. */ 1380 sc->flags |= PSM_NEED_SYNCBITS; 1381 1382 /* just check the status of the mouse */ 1383 /* 1384 * NOTE: XXX there are some arcane controller/mouse combinations out 1385 * there, which hung the controller unless there is data transmission 1386 * after ACK from the mouse. 1387 */ 1388 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1389 kprintf("psm%d: failed to get status.\n", unit); 1390 else { 1391 /* 1392 * When in its native mode, some mice operate with different 1393 * default parameters than in the PS/2 compatible mode. 1394 */ 1395 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1396 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1397 } 1398 1399 /* disable the aux port for now... */ 1400 if (!set_controller_command_byte(sc->kbdc, 1401 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1402 (command_byte & KBD_KBD_CONTROL_BITS) | 1403 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1404 /* 1405 * this is CONTROLLER ERROR; I don't know the proper way to 1406 * recover from this error... 1407 */ 1408 restore_controller(sc->kbdc, command_byte); 1409 kprintf("psm%d: unable to set the command byte.\n", unit); 1410 endprobe(ENXIO); 1411 } 1412 1413 /* done */ 1414 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1415 kbdc_lock(sc->kbdc, FALSE); 1416 return (0); 1417 } 1418 1419 static int 1420 psmattach(device_t dev) 1421 { 1422 int unit = device_get_unit(dev); 1423 struct psm_softc *sc = device_get_softc(dev); 1424 int error; 1425 intptr_t irq; 1426 int rid; 1427 1428 /* Setup initial state */ 1429 sc->state = PSM_VALID; 1430 callout_init(&sc->callout); 1431 callout_init(&sc->softcallout); 1432 1433 /* Setup our interrupt handler */ 1434 rid = KBDC_RID_AUX; 1435 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 1436 sc->intr = bus_alloc_legacy_irq_resource(dev, &rid, irq, RF_ACTIVE); 1437 1438 if (sc->intr == NULL) 1439 return (ENXIO); 1440 error = BUS_SETUP_INTR(device_get_parent(dev), dev, sc->intr, 1441 INTR_NOPOLL, psmintr, sc, &sc->ih, NULL); 1442 if (error) { 1443 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1444 return (error); 1445 } 1446 1447 /* Done */ 1448 make_dev(&psm_ops, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, "psm%d", unit); 1449 make_dev(&psm_ops, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, "bpsm%d", unit); 1450 1451 if (!verbose) 1452 kprintf("psm%d: model %s, device ID %d\n", 1453 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1454 else { 1455 kprintf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1456 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1457 sc->hw.hwid >> 8, sc->hw.buttons); 1458 kprintf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1459 unit, sc->config, sc->flags, sc->mode.packetsize); 1460 kprintf("psm%d: syncmask:%02x, syncbits:%02x\n", 1461 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1462 } 1463 1464 if (bootverbose) 1465 --verbose; 1466 1467 return (0); 1468 } 1469 1470 static int 1471 psmdetach(device_t dev) 1472 { 1473 struct psm_softc *sc; 1474 int rid; 1475 1476 sc = device_get_softc(dev); 1477 if (sc->state & PSM_OPEN) 1478 return (EBUSY); 1479 1480 rid = KBDC_RID_AUX; 1481 bus_teardown_intr(dev, sc->intr, sc->ih); 1482 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1483 1484 destroy_dev(sc->dev); 1485 destroy_dev(sc->bdev); 1486 1487 return (0); 1488 } 1489 1490 static int 1491 psmopen(struct dev_open_args *ap) 1492 { 1493 cdev_t dev = ap->a_head.a_dev; 1494 int unit = PSM_UNIT(dev); 1495 struct psm_softc *sc; 1496 int command_byte; 1497 int err; 1498 1499 /* Get device data */ 1500 sc = PSM_SOFTC(unit); 1501 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1502 /* the device is no longer valid/functioning */ 1503 return (ENXIO); 1504 } 1505 1506 /* Disallow multiple opens */ 1507 if (sc->state & PSM_OPEN) 1508 return (EBUSY); 1509 1510 #if 0 1511 device_busy(devclass_get_device(psm_devclass, sc->unit)); 1512 #endif 1513 1514 /* Initialize state */ 1515 sc->mode.level = sc->dflt_mode.level; 1516 sc->mode.protocol = sc->dflt_mode.protocol; 1517 sc->watchdog = FALSE; 1518 sc->async = NULL; 1519 1520 /* flush the event queue */ 1521 sc->queue.count = 0; 1522 sc->queue.head = 0; 1523 sc->queue.tail = 0; 1524 sc->status.flags = 0; 1525 sc->status.button = 0; 1526 sc->status.obutton = 0; 1527 sc->status.dx = 0; 1528 sc->status.dy = 0; 1529 sc->status.dz = 0; 1530 sc->button = 0; 1531 sc->pqueue_start = 0; 1532 sc->pqueue_end = 0; 1533 1534 /* empty input buffer */ 1535 flushpackets(sc); 1536 sc->syncerrors = 0; 1537 sc->pkterrors = 0; 1538 1539 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1540 if (!kbdc_lock(sc->kbdc, TRUE)) 1541 return (EIO); 1542 1543 /* save the current controller command byte */ 1544 crit_enter(); 1545 command_byte = get_controller_command_byte(sc->kbdc); 1546 1547 /* enable the aux port and temporalily disable the keyboard */ 1548 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1549 kbdc_get_device_mask(sc->kbdc), 1550 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1551 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1552 /* CONTROLLER ERROR; do you know how to get out of this? */ 1553 kbdc_lock(sc->kbdc, FALSE); 1554 crit_exit(); 1555 log(LOG_ERR, 1556 "psm%d: unable to set the command byte (psmopen).\n", 1557 sc->unit); 1558 return (EIO); 1559 } 1560 /* 1561 * Now that the keyboard controller is told not to generate 1562 * the keyboard and mouse interrupts, call `splx()' to allow 1563 * the other tty interrupts. The clock interrupt may also occur, 1564 * but timeout routines will be blocked by the poll flag set 1565 * via `kbdc_lock()' 1566 */ 1567 crit_exit(); 1568 1569 /* enable the mouse device */ 1570 err = doopen(sc, command_byte); 1571 1572 /* done */ 1573 if (err == 0) 1574 sc->state |= PSM_OPEN; 1575 kbdc_lock(sc->kbdc, FALSE); 1576 return (err); 1577 } 1578 1579 static int 1580 psmclose(struct dev_close_args *ap) 1581 { 1582 cdev_t dev = ap->a_head.a_dev; 1583 int unit = PSM_UNIT(dev); 1584 struct psm_softc *sc = PSM_SOFTC(unit); 1585 int stat[3]; 1586 int command_byte; 1587 1588 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1589 if (!kbdc_lock(sc->kbdc, TRUE)) 1590 return (EIO); 1591 1592 /* save the current controller command byte */ 1593 crit_enter(); 1594 command_byte = get_controller_command_byte(sc->kbdc); 1595 if (command_byte == -1) { 1596 kbdc_lock(sc->kbdc, FALSE); 1597 crit_exit(); 1598 return (EIO); 1599 } 1600 1601 /* disable the aux interrupt and temporalily disable the keyboard */ 1602 if (!set_controller_command_byte(sc->kbdc, 1603 kbdc_get_device_mask(sc->kbdc), 1604 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1605 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1606 log(LOG_ERR, 1607 "psm%d: failed to disable the aux int (psmclose).\n", 1608 sc->unit); 1609 /* CONTROLLER ERROR; 1610 * NOTE: we shall force our way through. Because the only 1611 * ill effect we shall see is that we may not be able 1612 * to read ACK from the mouse, and it doesn't matter much 1613 * so long as the mouse will accept the DISABLE command. 1614 */ 1615 } 1616 crit_exit(); 1617 1618 /* stop the watchdog timer */ 1619 callout_stop(&sc->callout); 1620 1621 /* remove anything left in the output buffer */ 1622 empty_aux_buffer(sc->kbdc, 10); 1623 1624 /* disable the aux device, port and interrupt */ 1625 if (sc->state & PSM_VALID) { 1626 if (!disable_aux_dev(sc->kbdc)) { 1627 /* MOUSE ERROR; 1628 * NOTE: we don't return (error) and continue, 1629 * pretending we have successfully disabled the device. 1630 * It's OK because the interrupt routine will discard 1631 * any data from the mouse hereafter. 1632 */ 1633 log(LOG_ERR, 1634 "psm%d: failed to disable the device (psmclose).\n", 1635 sc->unit); 1636 } 1637 1638 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1639 log(LOG_DEBUG, 1640 "psm%d: failed to get status (psmclose).\n", 1641 sc->unit); 1642 } 1643 1644 if (!set_controller_command_byte(sc->kbdc, 1645 kbdc_get_device_mask(sc->kbdc), 1646 (command_byte & KBD_KBD_CONTROL_BITS) | 1647 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1648 /* 1649 * CONTROLLER ERROR; 1650 * we shall ignore this error; see the above comment. 1651 */ 1652 log(LOG_ERR, 1653 "psm%d: failed to disable the aux port (psmclose).\n", 1654 sc->unit); 1655 } 1656 1657 /* remove anything left in the output buffer */ 1658 empty_aux_buffer(sc->kbdc, 10); 1659 1660 /* close is almost always successful */ 1661 sc->state &= ~PSM_OPEN; 1662 kbdc_lock(sc->kbdc, FALSE); 1663 #if 0 1664 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 1665 #endif 1666 return (0); 1667 } 1668 1669 static int 1670 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1671 u_char *buf) 1672 { 1673 static u_char butmapps2[8] = { 1674 0, 1675 MOUSE_PS2_BUTTON1DOWN, 1676 MOUSE_PS2_BUTTON2DOWN, 1677 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1678 MOUSE_PS2_BUTTON3DOWN, 1679 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1680 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1681 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1682 MOUSE_PS2_BUTTON3DOWN, 1683 }; 1684 static u_char butmapmsc[8] = { 1685 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1686 MOUSE_MSC_BUTTON3UP, 1687 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1688 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1689 MOUSE_MSC_BUTTON3UP, 1690 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1691 MOUSE_MSC_BUTTON2UP, 1692 MOUSE_MSC_BUTTON1UP, 1693 0, 1694 }; 1695 int mapped; 1696 int i; 1697 1698 if (sc->mode.level == PSM_LEVEL_BASE) { 1699 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1700 if (status->button & MOUSE_BUTTON4DOWN) 1701 mapped |= MOUSE_BUTTON1DOWN; 1702 status->button = mapped; 1703 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1704 i = imax(imin(status->dx, 255), -256); 1705 if (i < 0) 1706 buf[0] |= MOUSE_PS2_XNEG; 1707 buf[1] = i; 1708 i = imax(imin(status->dy, 255), -256); 1709 if (i < 0) 1710 buf[0] |= MOUSE_PS2_YNEG; 1711 buf[2] = i; 1712 return (MOUSE_PS2_PACKETSIZE); 1713 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1714 buf[0] = MOUSE_MSC_SYNC | 1715 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1716 i = imax(imin(status->dx, 255), -256); 1717 buf[1] = i >> 1; 1718 buf[3] = i - buf[1]; 1719 i = imax(imin(status->dy, 255), -256); 1720 buf[2] = i >> 1; 1721 buf[4] = i - buf[2]; 1722 i = imax(imin(status->dz, 127), -128); 1723 buf[5] = (i >> 1) & 0x7f; 1724 buf[6] = (i - (i >> 1)) & 0x7f; 1725 buf[7] = (~status->button >> 3) & 0x7f; 1726 return (MOUSE_SYS_PACKETSIZE); 1727 } 1728 return (pb->inputbytes); 1729 } 1730 1731 static int 1732 psmread(struct dev_read_args *ap) 1733 { 1734 cdev_t dev = ap->a_head.a_dev; 1735 struct uio *uio = ap->a_uio; 1736 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1737 u_char buf[PSM_SMALLBUFSIZE]; 1738 int error = 0; 1739 int l; 1740 1741 if ((sc->state & PSM_VALID) == 0) 1742 return (EIO); 1743 1744 /* block until mouse activity occured */ 1745 crit_enter(); 1746 while (sc->queue.count <= 0) { 1747 if (dev != sc->bdev) { 1748 crit_exit(); 1749 return (EWOULDBLOCK); 1750 } 1751 sc->state |= PSM_ASLP; 1752 error = tsleep((caddr_t) sc, PCATCH, "psmrea", 0); 1753 sc->state &= ~PSM_ASLP; 1754 if (error) { 1755 crit_exit(); 1756 return (error); 1757 } else if ((sc->state & PSM_VALID) == 0) { 1758 /* the device disappeared! */ 1759 crit_exit(); 1760 return (EIO); 1761 } 1762 } 1763 crit_exit(); 1764 1765 /* copy data to the user land */ 1766 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1767 crit_enter(); 1768 l = imin(sc->queue.count, uio->uio_resid); 1769 if (l > sizeof(buf)) 1770 l = sizeof(buf); 1771 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1772 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1773 sizeof(sc->queue.buf) - sc->queue.head); 1774 bcopy(&sc->queue.buf[0], 1775 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1776 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1777 } else 1778 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1779 sc->queue.count -= l; 1780 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1781 crit_exit(); 1782 error = uiomove(buf, (size_t)l, uio); 1783 if (error) 1784 break; 1785 } 1786 1787 return (error); 1788 } 1789 1790 static int 1791 block_mouse_data(struct psm_softc *sc, int *c) 1792 { 1793 1794 if (!kbdc_lock(sc->kbdc, TRUE)) 1795 return (EIO); 1796 1797 crit_enter(); 1798 *c = get_controller_command_byte(sc->kbdc); 1799 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1800 kbdc_get_device_mask(sc->kbdc), 1801 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1802 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1803 /* this is CONTROLLER ERROR */ 1804 crit_exit(); 1805 kbdc_lock(sc->kbdc, FALSE); 1806 return (EIO); 1807 } 1808 1809 /* 1810 * The device may be in the middle of status data transmission. 1811 * The transmission will be interrupted, thus, incomplete status 1812 * data must be discarded. Although the aux interrupt is disabled 1813 * at the keyboard controller level, at most one aux interrupt 1814 * may have already been pending and a data byte is in the 1815 * output buffer; throw it away. Note that the second argument 1816 * to `empty_aux_buffer()' is zero, so that the call will just 1817 * flush the internal queue. 1818 * `psmintr()' will be invoked after `splx()' if an interrupt is 1819 * pending; it will see no data and returns immediately. 1820 */ 1821 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1822 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1823 flushpackets(sc); 1824 crit_exit(); 1825 1826 return (0); 1827 } 1828 1829 static void 1830 dropqueue(struct psm_softc *sc) 1831 { 1832 1833 sc->queue.count = 0; 1834 sc->queue.head = 0; 1835 sc->queue.tail = 0; 1836 if ((sc->state & PSM_SOFTARMED) != 0) { 1837 sc->state &= ~PSM_SOFTARMED; 1838 callout_stop(&sc->softcallout); 1839 } 1840 sc->pqueue_start = sc->pqueue_end; 1841 } 1842 1843 static void 1844 flushpackets(struct psm_softc *sc) 1845 { 1846 1847 dropqueue(sc); 1848 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1849 } 1850 1851 static int 1852 unblock_mouse_data(struct psm_softc *sc, int c) 1853 { 1854 int error = 0; 1855 1856 /* 1857 * We may have seen a part of status data during `set_mouse_XXX()'. 1858 * they have been queued; flush it. 1859 */ 1860 empty_aux_buffer(sc->kbdc, 0); 1861 1862 /* restore ports and interrupt */ 1863 if (!set_controller_command_byte(sc->kbdc, 1864 kbdc_get_device_mask(sc->kbdc), 1865 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1866 /* 1867 * CONTROLLER ERROR; this is serious, we may have 1868 * been left with the inaccessible keyboard and 1869 * the disabled mouse interrupt. 1870 */ 1871 error = EIO; 1872 } 1873 1874 kbdc_lock(sc->kbdc, FALSE); 1875 return (error); 1876 } 1877 1878 static int 1879 psmwrite(struct dev_write_args *ap) 1880 { 1881 cdev_t dev = ap->a_head.a_dev; 1882 struct uio *uio = ap->a_uio; 1883 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1884 u_char buf[PSM_SMALLBUFSIZE]; 1885 int error = 0, i, l; 1886 1887 if ((sc->state & PSM_VALID) == 0) 1888 return (EIO); 1889 1890 if (sc->mode.level < PSM_LEVEL_NATIVE) 1891 return (ENODEV); 1892 1893 /* copy data from the user land */ 1894 while (uio->uio_resid > 0) { 1895 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1896 error = uiomove(buf, l, uio); 1897 if (error) 1898 break; 1899 for (i = 0; i < l; i++) { 1900 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1901 if (!write_aux_command(sc->kbdc, buf[i])) { 1902 VLOG(2, (LOG_DEBUG, 1903 "psm: cmd 0x%x failed.\n", buf[i])); 1904 return (reinitialize(sc, FALSE)); 1905 } 1906 } 1907 } 1908 1909 return (error); 1910 } 1911 1912 static int 1913 psmioctl(struct dev_ioctl_args *ap) 1914 { 1915 cdev_t dev = ap->a_head.a_dev; 1916 caddr_t addr= ap->a_data; 1917 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1918 mousemode_t mode; 1919 mousestatus_t status; 1920 #if (defined(MOUSE_GETVARS)) 1921 mousevar_t *var; 1922 #endif 1923 mousedata_t *data; 1924 int stat[3]; 1925 int command_byte; 1926 int error = 0; 1927 1928 mode.resolution = -1; 1929 1930 /* Perform IOCTL command */ 1931 switch (ap->a_cmd) { 1932 1933 case OLD_MOUSE_GETHWINFO: 1934 crit_enter(); 1935 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1936 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1937 ((old_mousehw_t *)addr)->type = sc->hw.type; 1938 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1939 crit_exit(); 1940 break; 1941 1942 case MOUSE_GETHWINFO: 1943 crit_enter(); 1944 *(mousehw_t *)addr = sc->hw; 1945 if (sc->mode.level == PSM_LEVEL_BASE) 1946 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1947 crit_exit(); 1948 break; 1949 1950 case MOUSE_SYN_GETHWINFO: 1951 crit_enter(); 1952 if (synaptics_support && sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1953 *(synapticshw_t *)addr = sc->synhw; 1954 else 1955 error = EINVAL; 1956 crit_exit(); 1957 break; 1958 1959 case OLD_MOUSE_GETMODE: 1960 crit_enter(); 1961 switch (sc->mode.level) { 1962 case PSM_LEVEL_BASE: 1963 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1964 break; 1965 case PSM_LEVEL_STANDARD: 1966 ((old_mousemode_t *)addr)->protocol = 1967 MOUSE_PROTO_SYSMOUSE; 1968 break; 1969 case PSM_LEVEL_NATIVE: 1970 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1971 break; 1972 } 1973 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1974 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1975 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1976 crit_exit(); 1977 break; 1978 1979 case MOUSE_GETMODE: 1980 crit_enter(); 1981 *(mousemode_t *)addr = sc->mode; 1982 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 1983 ((mousemode_t *)addr)->syncmask[0] = 0; 1984 ((mousemode_t *)addr)->syncmask[1] = 0; 1985 } 1986 ((mousemode_t *)addr)->resolution = 1987 MOUSE_RES_LOW - sc->mode.resolution; 1988 switch (sc->mode.level) { 1989 case PSM_LEVEL_BASE: 1990 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1991 ((mousemode_t *)addr)->packetsize = 1992 MOUSE_PS2_PACKETSIZE; 1993 break; 1994 case PSM_LEVEL_STANDARD: 1995 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1996 ((mousemode_t *)addr)->packetsize = 1997 MOUSE_SYS_PACKETSIZE; 1998 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1999 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2000 break; 2001 case PSM_LEVEL_NATIVE: 2002 /* FIXME: this isn't quite correct... XXX */ 2003 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2004 break; 2005 } 2006 crit_exit(); 2007 break; 2008 2009 case OLD_MOUSE_SETMODE: 2010 case MOUSE_SETMODE: 2011 if (ap->a_cmd == OLD_MOUSE_SETMODE) { 2012 mode.rate = ((old_mousemode_t *)addr)->rate; 2013 /* 2014 * resolution old I/F new I/F 2015 * default 0 0 2016 * low 1 -2 2017 * medium low 2 -3 2018 * medium high 3 -4 2019 * high 4 -5 2020 */ 2021 if (((old_mousemode_t *)addr)->resolution > 0) 2022 mode.resolution = 2023 -((old_mousemode_t *)addr)->resolution - 1; 2024 else 2025 mode.resolution = 0; 2026 mode.accelfactor = 2027 ((old_mousemode_t *)addr)->accelfactor; 2028 mode.level = -1; 2029 } else 2030 mode = *(mousemode_t *)addr; 2031 2032 /* adjust and validate parameters. */ 2033 if (mode.rate > UCHAR_MAX) 2034 return (EINVAL); 2035 if (mode.rate == 0) 2036 mode.rate = sc->dflt_mode.rate; 2037 else if (mode.rate == -1) 2038 /* don't change the current setting */ 2039 ; 2040 else if (mode.rate < 0) 2041 return (EINVAL); 2042 if (mode.resolution >= UCHAR_MAX) 2043 return (EINVAL); 2044 if (mode.resolution >= 200) 2045 mode.resolution = MOUSE_RES_HIGH; 2046 else if (mode.resolution >= 100) 2047 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2048 else if (mode.resolution >= 50) 2049 mode.resolution = MOUSE_RES_MEDIUMLOW; 2050 else if (mode.resolution > 0) 2051 mode.resolution = MOUSE_RES_LOW; 2052 if (mode.resolution == MOUSE_RES_DEFAULT) 2053 mode.resolution = sc->dflt_mode.resolution; 2054 else if (mode.resolution == -1) 2055 /* don't change the current setting */ 2056 ; 2057 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2058 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2059 if (mode.level == -1) 2060 /* don't change the current setting */ 2061 mode.level = sc->mode.level; 2062 else if ((mode.level < PSM_LEVEL_MIN) || 2063 (mode.level > PSM_LEVEL_MAX)) 2064 return (EINVAL); 2065 if (mode.accelfactor == -1) 2066 /* don't change the current setting */ 2067 mode.accelfactor = sc->mode.accelfactor; 2068 else if (mode.accelfactor < 0) 2069 return (EINVAL); 2070 2071 /* don't allow anybody to poll the keyboard controller */ 2072 error = block_mouse_data(sc, &command_byte); 2073 if (error) 2074 return (error); 2075 2076 /* set mouse parameters */ 2077 if (mode.rate > 0) 2078 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2079 mode.rate); 2080 if (mode.resolution >= 0) 2081 mode.resolution = 2082 set_mouse_resolution(sc->kbdc, mode.resolution); 2083 set_mouse_scaling(sc->kbdc, 1); 2084 get_mouse_status(sc->kbdc, stat, 0, 3); 2085 2086 crit_enter(); 2087 sc->mode.rate = mode.rate; 2088 sc->mode.resolution = mode.resolution; 2089 sc->mode.accelfactor = mode.accelfactor; 2090 sc->mode.level = mode.level; 2091 crit_exit(); 2092 2093 unblock_mouse_data(sc, command_byte); 2094 break; 2095 2096 case MOUSE_GETLEVEL: 2097 *(int *)addr = sc->mode.level; 2098 break; 2099 2100 case MOUSE_SETLEVEL: 2101 if ((*(int *)addr < PSM_LEVEL_MIN) || 2102 (*(int *)addr > PSM_LEVEL_MAX)) 2103 return (EINVAL); 2104 sc->mode.level = *(int *)addr; 2105 break; 2106 2107 case MOUSE_GETSTATUS: 2108 crit_enter(); 2109 status = sc->status; 2110 sc->status.flags = 0; 2111 sc->status.obutton = sc->status.button; 2112 sc->status.button = 0; 2113 sc->status.dx = 0; 2114 sc->status.dy = 0; 2115 sc->status.dz = 0; 2116 crit_exit(); 2117 *(mousestatus_t *)addr = status; 2118 break; 2119 2120 #if (defined(MOUSE_GETVARS)) 2121 case MOUSE_GETVARS: 2122 var = (mousevar_t *)addr; 2123 bzero(var, sizeof(*var)); 2124 crit_enter(); 2125 var->var[0] = MOUSE_VARS_PS2_SIG; 2126 var->var[1] = sc->config; 2127 var->var[2] = sc->flags; 2128 crit_exit(); 2129 break; 2130 2131 case MOUSE_SETVARS: 2132 return (ENODEV); 2133 #endif /* MOUSE_GETVARS */ 2134 2135 case MOUSE_READSTATE: 2136 case MOUSE_READDATA: 2137 data = (mousedata_t *)addr; 2138 if (data->len > NELEM(data->buf)) 2139 return (EINVAL); 2140 2141 error = block_mouse_data(sc, &command_byte); 2142 if (error) 2143 return (error); 2144 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2145 (ap->a_cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2146 error = EIO; 2147 unblock_mouse_data(sc, command_byte); 2148 break; 2149 2150 #if (defined(MOUSE_SETRESOLUTION)) 2151 case MOUSE_SETRESOLUTION: 2152 mode.resolution = *(int *)addr; 2153 if (mode.resolution >= UCHAR_MAX) 2154 return (EINVAL); 2155 else if (mode.resolution >= 200) 2156 mode.resolution = MOUSE_RES_HIGH; 2157 else if (mode.resolution >= 100) 2158 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2159 else if (mode.resolution >= 50) 2160 mode.resolution = MOUSE_RES_MEDIUMLOW; 2161 else if (mode.resolution > 0) 2162 mode.resolution = MOUSE_RES_LOW; 2163 if (mode.resolution == MOUSE_RES_DEFAULT) 2164 mode.resolution = sc->dflt_mode.resolution; 2165 else if (mode.resolution == -1) 2166 mode.resolution = sc->mode.resolution; 2167 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2168 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2169 2170 error = block_mouse_data(sc, &command_byte); 2171 if (error) 2172 return (error); 2173 sc->mode.resolution = 2174 set_mouse_resolution(sc->kbdc, mode.resolution); 2175 if (sc->mode.resolution != mode.resolution) 2176 error = EIO; 2177 unblock_mouse_data(sc, command_byte); 2178 break; 2179 #endif /* MOUSE_SETRESOLUTION */ 2180 2181 #if (defined(MOUSE_SETRATE)) 2182 case MOUSE_SETRATE: 2183 mode.rate = *(int *)addr; 2184 if (mode.rate > UCHAR_MAX) 2185 return (EINVAL); 2186 if (mode.rate == 0) 2187 mode.rate = sc->dflt_mode.rate; 2188 else if (mode.rate < 0) 2189 mode.rate = sc->mode.rate; 2190 2191 error = block_mouse_data(sc, &command_byte); 2192 if (error) 2193 return (error); 2194 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2195 if (sc->mode.rate != mode.rate) 2196 error = EIO; 2197 unblock_mouse_data(sc, command_byte); 2198 break; 2199 #endif /* MOUSE_SETRATE */ 2200 2201 #if (defined(MOUSE_SETSCALING)) 2202 case MOUSE_SETSCALING: 2203 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2204 return (EINVAL); 2205 2206 error = block_mouse_data(sc, &command_byte); 2207 if (error) 2208 return (error); 2209 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2210 error = EIO; 2211 unblock_mouse_data(sc, command_byte); 2212 break; 2213 #endif /* MOUSE_SETSCALING */ 2214 2215 #if (defined(MOUSE_GETHWID)) 2216 case MOUSE_GETHWID: 2217 error = block_mouse_data(sc, &command_byte); 2218 if (error) 2219 return (error); 2220 sc->hw.hwid &= ~0x00ff; 2221 sc->hw.hwid |= get_aux_id(sc->kbdc); 2222 *(int *)addr = sc->hw.hwid & 0x00ff; 2223 unblock_mouse_data(sc, command_byte); 2224 break; 2225 #endif /* MOUSE_GETHWID */ 2226 2227 default: 2228 return (ENOTTY); 2229 } 2230 2231 return (error); 2232 } 2233 2234 static void 2235 psmtimeout(void *arg) 2236 { 2237 struct psm_softc *sc; 2238 2239 sc = (struct psm_softc *)arg; 2240 crit_enter(); 2241 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2242 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2243 psmintr(sc); 2244 kbdc_lock(sc->kbdc, FALSE); 2245 } 2246 sc->watchdog = TRUE; 2247 crit_exit(); 2248 callout_reset(&sc->callout, hz, psmtimeout, (void *)(uintptr_t)sc); 2249 } 2250 2251 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2252 SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2253 SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2254 2255 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2256 "Verbosity level"); 2257 2258 static int psmhz = 20; 2259 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2260 "Frequency of the softcallout (in hz)"); 2261 static int psmerrsecs = 2; 2262 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2263 "Number of seconds during which packets will dropped after a sync error"); 2264 static int psmerrusecs = 0; 2265 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2266 "Microseconds to add to psmerrsecs"); 2267 static int psmsecs = 0; 2268 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2269 "Max number of seconds between soft interrupts"); 2270 static int psmusecs = 500000; 2271 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2272 "Microseconds to add to psmsecs"); 2273 static int pkterrthresh = 2; 2274 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2275 "Number of error packets allowed before reinitializing the mouse"); 2276 2277 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RW, &tap_enabled, 0, 2278 "Enable tap and drag gestures"); 2279 static int tap_threshold = PSM_TAP_THRESHOLD; 2280 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2281 "Button tap threshold"); 2282 static int tap_timeout = PSM_TAP_TIMEOUT; 2283 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2284 "Tap timeout for touchpads"); 2285 2286 static void 2287 psmintr(void *arg) 2288 { 2289 struct psm_softc *sc = arg; 2290 struct timeval now; 2291 int c; 2292 packetbuf_t *pb; 2293 2294 2295 /* read until there is nothing to read */ 2296 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2297 pb = &sc->pqueue[sc->pqueue_end]; 2298 2299 /* discard the byte if the device is not open */ 2300 if ((sc->state & PSM_OPEN) == 0) 2301 continue; 2302 2303 getmicrouptime(&now); 2304 if ((pb->inputbytes > 0) && 2305 timevalcmp(&now, &sc->inputtimeout, >)) { 2306 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2307 "resetting byte count\n")); 2308 pb->inputbytes = 0; 2309 sc->syncerrors = 0; 2310 sc->pkterrors = 0; 2311 } 2312 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2313 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2314 timevaladd(&sc->inputtimeout, &now); 2315 2316 pb->ipacket[pb->inputbytes++] = c; 2317 2318 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2319 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2320 sc->syncerrors = 0; 2321 sc->pkterrors = 0; 2322 goto next; 2323 } else { 2324 if (pb->inputbytes < sc->mode.packetsize) 2325 continue; 2326 2327 VLOG(4, (LOG_DEBUG, 2328 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2329 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2330 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2331 } 2332 2333 c = pb->ipacket[0]; 2334 2335 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2336 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2337 sc->flags &= ~PSM_NEED_SYNCBITS; 2338 VLOG(2, (LOG_DEBUG, 2339 "psmintr: Sync bytes now %04x,%04x\n", 2340 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2341 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2342 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2343 "(%04x != %04x) %d cmds since last error.\n", 2344 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2345 sc->cmdcount - sc->lasterr)); 2346 sc->lasterr = sc->cmdcount; 2347 /* 2348 * The sync byte test is a weak measure of packet 2349 * validity. Conservatively discard any input yet 2350 * to be seen by userland when we detect a sync 2351 * error since there is a good chance some of 2352 * the queued packets have undetected errors. 2353 */ 2354 dropqueue(sc); 2355 if (sc->syncerrors == 0) 2356 sc->pkterrors++; 2357 ++sc->syncerrors; 2358 sc->lastinputerr = now; 2359 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2360 sc->pkterrors >= pkterrthresh) { 2361 /* 2362 * If we've failed to find a single sync byte 2363 * in 2 packets worth of data, or we've seen 2364 * persistent packet errors during the 2365 * validation period, reinitialize the mouse 2366 * in hopes of returning it to the expected 2367 * mode. 2368 */ 2369 VLOG(3, (LOG_DEBUG, 2370 "psmintr: reset the mouse.\n")); 2371 reinitialize(sc, TRUE); 2372 } else if (sc->syncerrors == sc->mode.packetsize) { 2373 /* 2374 * Try a soft reset after searching for a sync 2375 * byte through a packet length of bytes. 2376 */ 2377 VLOG(3, (LOG_DEBUG, 2378 "psmintr: re-enable the mouse.\n")); 2379 pb->inputbytes = 0; 2380 disable_aux_dev(sc->kbdc); 2381 enable_aux_dev(sc->kbdc); 2382 } else { 2383 VLOG(3, (LOG_DEBUG, 2384 "psmintr: discard a byte (%d)\n", 2385 sc->syncerrors)); 2386 pb->inputbytes--; 2387 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2388 pb->inputbytes); 2389 } 2390 continue; 2391 } 2392 2393 /* 2394 * We have what appears to be a valid packet. 2395 * Reset the error counters. 2396 */ 2397 sc->syncerrors = 0; 2398 2399 /* 2400 * Drop even good packets if they occur within a timeout 2401 * period of a sync error. This allows the detection of 2402 * a change in the mouse's packet mode without exposing 2403 * erratic mouse behavior to the user. Some KVMs forget 2404 * enhanced mouse modes during switch events. 2405 */ 2406 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2407 &now)) { 2408 pb->inputbytes = 0; 2409 continue; 2410 } 2411 2412 /* 2413 * Now that we're out of the validation period, reset 2414 * the packet error count. 2415 */ 2416 sc->pkterrors = 0; 2417 2418 sc->cmdcount++; 2419 next: 2420 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2421 sc->pqueue_end = 0; 2422 /* 2423 * If we've filled the queue then call the softintr ourselves, 2424 * otherwise schedule the interrupt for later. 2425 */ 2426 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2427 (sc->pqueue_end == sc->pqueue_start)) { 2428 if ((sc->state & PSM_SOFTARMED) != 0) { 2429 sc->state &= ~PSM_SOFTARMED; 2430 callout_stop(&sc->softcallout); 2431 } 2432 psmsoftintr(arg); 2433 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2434 sc->state |= PSM_SOFTARMED; 2435 callout_reset(&sc->softcallout, psmhz < 1 ? 1 : (hz/psmhz), 2436 psmsoftintr, arg); 2437 } 2438 } 2439 } 2440 2441 static void 2442 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2443 int *x, int *y, int *z) 2444 { 2445 2446 /* 2447 * PS2++ protocl packet 2448 * 2449 * b7 b6 b5 b4 b3 b2 b1 b0 2450 * byte 1: * 1 p3 p2 1 * * * 2451 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2452 * 2453 * p3-p0: packet type 2454 * c1, c2: c1 & c2 == 1, if p2 == 0 2455 * c1 & c2 == 0, if p2 == 1 2456 * 2457 * packet type: 0 (device type) 2458 * See comments in enable_mmanplus() below. 2459 * 2460 * packet type: 1 (wheel data) 2461 * 2462 * b7 b6 b5 b4 b3 b2 b1 b0 2463 * byte 3: h * B5 B4 s d2 d1 d0 2464 * 2465 * h: 1, if horizontal roller data 2466 * 0, if vertical roller data 2467 * B4, B5: button 4 and 5 2468 * s: sign bit 2469 * d2-d0: roller data 2470 * 2471 * packet type: 2 (reserved) 2472 */ 2473 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2474 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2475 /* 2476 * the extended data packet encodes button 2477 * and wheel events 2478 */ 2479 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2480 case 1: 2481 /* wheel data packet */ 2482 *x = *y = 0; 2483 if (pb->ipacket[2] & 0x80) { 2484 /* XXX horizontal roller count - ignore it */ 2485 ; 2486 } else { 2487 /* vertical roller count */ 2488 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2489 (pb->ipacket[2] & 0x0f) - 16 : 2490 (pb->ipacket[2] & 0x0f); 2491 } 2492 ms->button |= (pb->ipacket[2] & 2493 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2494 MOUSE_BUTTON4DOWN : 0; 2495 ms->button |= (pb->ipacket[2] & 2496 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2497 MOUSE_BUTTON5DOWN : 0; 2498 break; 2499 case 2: 2500 /* 2501 * this packet type is reserved by 2502 * Logitech... 2503 */ 2504 /* 2505 * IBM ScrollPoint Mouse uses this 2506 * packet type to encode both vertical 2507 * and horizontal scroll movement. 2508 */ 2509 *x = *y = 0; 2510 /* horizontal count */ 2511 if (pb->ipacket[2] & 0x0f) 2512 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2513 -2 : 2; 2514 /* vertical count */ 2515 if (pb->ipacket[2] & 0xf0) 2516 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2517 -1 : 1; 2518 break; 2519 case 0: 2520 /* device type packet - shouldn't happen */ 2521 /* FALLTHROUGH */ 2522 default: 2523 *x = *y = 0; 2524 ms->button = ms->obutton; 2525 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2526 "type %d: 0x%02x 0x%02x 0x%02x\n", 2527 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2528 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2529 break; 2530 } 2531 } else { 2532 /* preserve button states */ 2533 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2534 } 2535 } 2536 2537 static int 2538 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2539 int *x, int *y, int *z) 2540 { 2541 static int touchpad_buttons; 2542 static int guest_buttons; 2543 int w, x0, y0; 2544 2545 /* TouchPad PS/2 absolute mode message format 2546 * 2547 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2548 * ------------------------------------------------ 2549 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2550 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2551 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2552 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2553 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2554 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2555 * 2556 * Legend: 2557 * L: left physical mouse button 2558 * R: right physical mouse button 2559 * D: down button 2560 * U: up button 2561 * W: "wrist" value 2562 * X: x position 2563 * Y: y position 2564 * Z: pressure 2565 * 2566 * Absolute reportable limits: 0 - 6143. 2567 * Typical bezel limits: 1472 - 5472. 2568 * Typical edge marings: 1632 - 5312. 2569 * 2570 * w = 3 Passthrough Packet 2571 * 2572 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2573 */ 2574 2575 if (!synaptics_support) 2576 return (0); 2577 2578 /* Sanity check for out of sync packets. */ 2579 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2580 (pb->ipacket[3] & 0xc8) != 0xc0) 2581 return (-1); 2582 2583 *x = *y = 0; 2584 2585 /* 2586 * Pressure value. 2587 * Interpretation: 2588 * z = 0 No finger contact 2589 * z = 10 Finger hovering near the pad 2590 * z = 30 Very light finger contact 2591 * z = 80 Normal finger contact 2592 * z = 110 Very heavy finger contact 2593 * z = 200 Finger lying flat on pad surface 2594 * z = 255 Maximum reportable Z 2595 */ 2596 *z = pb->ipacket[2]; 2597 2598 /* 2599 * Finger width value 2600 * Interpretation: 2601 * w = 0 Two finger on the pad (capMultiFinger needed) 2602 * w = 1 Three or more fingers (capMultiFinger needed) 2603 * w = 2 Pen (instead of finger) (capPen needed) 2604 * w = 3 Reserved (passthrough?) 2605 * w = 4-7 Finger of normal width (capPalmDetect needed) 2606 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2607 * w = 15 Maximum reportable width (capPalmDetect needed) 2608 */ 2609 /* XXX Is checking capExtended enough? */ 2610 if (sc->synhw.capExtended) 2611 w = ((pb->ipacket[0] & 0x30) >> 2) | 2612 ((pb->ipacket[0] & 0x04) >> 1) | 2613 ((pb->ipacket[3] & 0x04) >> 2); 2614 else { 2615 /* Assume a finger of regular width. */ 2616 w = 4; 2617 } 2618 2619 /* Handle packets from the guest device */ 2620 /* XXX Documentation? */ 2621 if (w == 3 && sc->synhw.capPassthrough) { 2622 *x = ((pb->ipacket[1] & 0x10) ? 2623 pb->ipacket[4] - 256 : pb->ipacket[4]); 2624 *y = ((pb->ipacket[1] & 0x20) ? 2625 pb->ipacket[5] - 256 : pb->ipacket[5]); 2626 *z = 0; 2627 2628 guest_buttons = 0; 2629 if (pb->ipacket[1] & 0x01) 2630 guest_buttons |= MOUSE_BUTTON1DOWN; 2631 if (pb->ipacket[1] & 0x04) 2632 guest_buttons |= MOUSE_BUTTON2DOWN; 2633 if (pb->ipacket[1] & 0x02) 2634 guest_buttons |= MOUSE_BUTTON3DOWN; 2635 2636 ms->button = touchpad_buttons | guest_buttons; 2637 goto SYNAPTICS_END; 2638 } 2639 2640 /* Button presses */ 2641 touchpad_buttons = 0; 2642 if (pb->ipacket[0] & 0x01) 2643 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2644 if (pb->ipacket[0] & 0x02) 2645 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2646 2647 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2648 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2649 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2650 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2651 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2652 } 2653 2654 /* 2655 * In newer pads - bit 0x02 in the third byte of 2656 * the packet indicates that we have an extended 2657 * button press. 2658 */ 2659 /* XXX Documentation? */ 2660 if (pb->ipacket[3] & 0x02) { 2661 /* 2662 * if directional_scrolls is not 1, we treat any of 2663 * the scrolling directions as middle-click. 2664 */ 2665 if (sc->syninfo.directional_scrolls) { 2666 if (pb->ipacket[4] & 0x01) 2667 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2668 if (pb->ipacket[5] & 0x01) 2669 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2670 if (pb->ipacket[4] & 0x02) 2671 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2672 if (pb->ipacket[5] & 0x02) 2673 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2674 } else { 2675 if ((pb->ipacket[4] & 0x0F) || 2676 (pb->ipacket[5] & 0x0F)) 2677 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2678 } 2679 } 2680 2681 ms->button = touchpad_buttons | guest_buttons; 2682 2683 /* Check pressure to detect a real wanted action on the 2684 * touchpad. */ 2685 if (*z >= sc->syninfo.min_pressure) { 2686 synapticsaction_t *synaction; 2687 int cursor, peer, window; 2688 int dx, dy, dxp, dyp; 2689 int max_width, max_pressure; 2690 int margin_top, margin_right, margin_bottom, margin_left; 2691 int na_top, na_right, na_bottom, na_left; 2692 int window_min, window_max; 2693 int multiplicator; 2694 int weight_current, weight_previous, weight_len_squared; 2695 int div_min, div_max, div_len; 2696 int vscroll_hor_area, vscroll_ver_area; 2697 2698 int len, weight_prev_x, weight_prev_y; 2699 int div_max_x, div_max_y, div_x, div_y; 2700 2701 /* Read sysctl. */ 2702 /* XXX Verify values? */ 2703 max_width = sc->syninfo.max_width; 2704 max_pressure = sc->syninfo.max_pressure; 2705 margin_top = sc->syninfo.margin_top; 2706 margin_right = sc->syninfo.margin_right; 2707 margin_bottom = sc->syninfo.margin_bottom; 2708 margin_left = sc->syninfo.margin_left; 2709 na_top = sc->syninfo.na_top; 2710 na_right = sc->syninfo.na_right; 2711 na_bottom = sc->syninfo.na_bottom; 2712 na_left = sc->syninfo.na_left; 2713 window_min = sc->syninfo.window_min; 2714 window_max = sc->syninfo.window_max; 2715 multiplicator = sc->syninfo.multiplicator; 2716 weight_current = sc->syninfo.weight_current; 2717 weight_previous = sc->syninfo.weight_previous; 2718 weight_len_squared = sc->syninfo.weight_len_squared; 2719 div_min = sc->syninfo.div_min; 2720 div_max = sc->syninfo.div_max; 2721 div_len = sc->syninfo.div_len; 2722 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2723 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2724 2725 /* Palm detection. */ 2726 if (!( 2727 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2728 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2729 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2730 (sc->synhw.capPen && w == 2))) { 2731 /* 2732 * We consider the packet irrelevant for the current 2733 * action when: 2734 * - the width isn't comprised in: 2735 * [4; max_width] 2736 * - the pressure isn't comprised in: 2737 * [min_pressure; max_pressure] 2738 * - pen aren't supported but w is 2 2739 * 2740 * Note that this doesn't terminate the current action. 2741 */ 2742 VLOG(2, (LOG_DEBUG, 2743 "synaptics: palm detected! (%d)\n", w)); 2744 goto SYNAPTICS_END; 2745 } 2746 2747 /* Read current absolute position. */ 2748 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2749 ((pb->ipacket[1] & 0x0f) << 8) | 2750 pb->ipacket[4]; 2751 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2752 ((pb->ipacket[1] & 0xf0) << 4) | 2753 pb->ipacket[5]; 2754 2755 synaction = &(sc->synaction); 2756 2757 /* 2758 * If the action is just beginning, init the structure and 2759 * compute tap timeout. 2760 */ 2761 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2762 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2763 2764 /* Store the first point of this action. */ 2765 synaction->start_x = x0; 2766 synaction->start_y = y0; 2767 dx = dy = 0; 2768 2769 /* Initialize queue. */ 2770 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2771 synaction->queue_len = 0; 2772 synaction->window_min = window_min; 2773 2774 /* Reset average. */ 2775 synaction->avg_dx = 0; 2776 synaction->avg_dy = 0; 2777 2778 /* Reset squelch. */ 2779 synaction->squelch_x = 0; 2780 synaction->squelch_y = 0; 2781 2782 /* Reset pressure peak. */ 2783 sc->zmax = 0; 2784 2785 /* Reset fingers count. */ 2786 synaction->fingers_nb = 0; 2787 2788 /* Reset virtual scrolling state. */ 2789 synaction->in_vscroll = 0; 2790 2791 /* Compute tap timeout. */ 2792 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2793 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2794 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2795 2796 sc->flags |= PSM_FLAGS_FINGERDOWN; 2797 } else { 2798 /* Calculate the current delta. */ 2799 cursor = synaction->queue_cursor; 2800 dx = x0 - synaction->queue[cursor].x; 2801 dy = y0 - synaction->queue[cursor].y; 2802 } 2803 2804 /* If in tap-hold, add the recorded button. */ 2805 if (synaction->in_taphold) 2806 ms->button |= synaction->tap_button; 2807 2808 /* 2809 * From now on, we can use the SYNAPTICS_END label to skip 2810 * the current packet. 2811 */ 2812 2813 /* 2814 * Limit the coordinates to the specified margins because 2815 * this area isn't very reliable. 2816 */ 2817 if (x0 <= margin_left) 2818 x0 = margin_left; 2819 else if (x0 >= 6143 - margin_right) 2820 x0 = 6143 - margin_right; 2821 if (y0 <= margin_bottom) 2822 y0 = margin_bottom; 2823 else if (y0 >= 6143 - margin_top) 2824 y0 = 6143 - margin_top; 2825 2826 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2827 x0, y0, *z, w)); 2828 2829 /* Queue this new packet. */ 2830 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2831 synaction->queue[cursor].x = x0; 2832 synaction->queue[cursor].y = y0; 2833 synaction->queue_cursor = cursor; 2834 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2835 synaction->queue_len++; 2836 VLOG(5, (LOG_DEBUG, 2837 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2838 cursor, x0, y0, dx, dy)); 2839 2840 /* 2841 * For tap, we keep the maximum number of fingers and the 2842 * pressure peak. Also with multiple fingers, we increase 2843 * the minimum window. 2844 */ 2845 switch (w) { 2846 case 1: /* Three or more fingers. */ 2847 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2848 synaction->window_min = window_max; 2849 break; 2850 case 0: /* Two fingers. */ 2851 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2852 synaction->window_min = window_max; 2853 break; 2854 default: /* One finger or undetectable. */ 2855 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2856 } 2857 sc->zmax = imax(*z, sc->zmax); 2858 2859 /* Do we have enough packets to consider this a movement? */ 2860 if (synaction->queue_len < synaction->window_min) 2861 goto SYNAPTICS_END; 2862 2863 /* Is a scrolling action occuring? */ 2864 if (!synaction->in_taphold && !synaction->in_vscroll) { 2865 /* 2866 * A scrolling action must not conflict with a tap 2867 * action. Here are the conditions to consider a 2868 * scrolling action: 2869 * - the action in a configurable area 2870 * - one of the following: 2871 * . the distance between the last packet and the 2872 * first should be above a configurable minimum 2873 * . tap timed out 2874 */ 2875 dxp = abs(synaction->queue[synaction->queue_cursor].x - 2876 synaction->start_x); 2877 dyp = abs(synaction->queue[synaction->queue_cursor].y - 2878 synaction->start_y); 2879 2880 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 2881 dxp >= sc->syninfo.vscroll_min_delta || 2882 dyp >= sc->syninfo.vscroll_min_delta) { 2883 /* Check for horizontal scrolling. */ 2884 if ((vscroll_hor_area > 0 && 2885 synaction->start_y <= vscroll_hor_area) || 2886 (vscroll_hor_area < 0 && 2887 synaction->start_y >= 2888 6143 + vscroll_hor_area)) 2889 synaction->in_vscroll += 2; 2890 2891 /* Check for vertical scrolling. */ 2892 if ((vscroll_ver_area > 0 && 2893 synaction->start_x <= vscroll_ver_area) || 2894 (vscroll_ver_area < 0 && 2895 synaction->start_x >= 2896 6143 + vscroll_ver_area)) 2897 synaction->in_vscroll += 1; 2898 2899 /* Avoid conflicts if area overlaps. */ 2900 if (synaction->in_vscroll == 3) 2901 synaction->in_vscroll = 2902 (dxp > dyp) ? 2 : 1; 2903 } 2904 VLOG(5, (LOG_DEBUG, 2905 "synaptics: virtual scrolling: %s " 2906 "(direction=%d, dxp=%d, dyp=%d)\n", 2907 synaction->in_vscroll ? "YES" : "NO", 2908 synaction->in_vscroll, dxp, dyp)); 2909 } 2910 2911 weight_prev_x = weight_prev_y = weight_previous; 2912 div_max_x = div_max_y = div_max; 2913 2914 if (synaction->in_vscroll) { 2915 /* Dividers are different with virtual scrolling. */ 2916 div_min = sc->syninfo.vscroll_div_min; 2917 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 2918 } else { 2919 /* 2920 * There's a lot of noise in coordinates when 2921 * the finger is on the touchpad's borders. When 2922 * using this area, we apply a special weight and 2923 * div. 2924 */ 2925 if (x0 <= na_left || x0 >= 6143 - na_right) { 2926 weight_prev_x = sc->syninfo.weight_previous_na; 2927 div_max_x = sc->syninfo.div_max_na; 2928 } 2929 2930 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 2931 weight_prev_y = sc->syninfo.weight_previous_na; 2932 div_max_y = sc->syninfo.div_max_na; 2933 } 2934 } 2935 2936 /* 2937 * Calculate weights for the average operands and 2938 * the divisor. Both depend on the distance between 2939 * the current packet and a previous one (based on the 2940 * window width). 2941 */ 2942 window = imin(synaction->queue_len, window_max); 2943 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 2944 dxp = abs(x0 - synaction->queue[peer].x) + 1; 2945 dyp = abs(y0 - synaction->queue[peer].y) + 1; 2946 len = (dxp * dxp) + (dyp * dyp); 2947 weight_prev_x = imin(weight_prev_x, 2948 weight_len_squared * weight_prev_x / len); 2949 weight_prev_y = imin(weight_prev_y, 2950 weight_len_squared * weight_prev_y / len); 2951 2952 len = (dxp + dyp) / 2; 2953 div_x = div_len * div_max_x / len; 2954 div_x = imin(div_max_x, div_x); 2955 div_x = imax(div_min, div_x); 2956 div_y = div_len * div_max_y / len; 2957 div_y = imin(div_max_y, div_y); 2958 div_y = imax(div_min, div_y); 2959 2960 VLOG(3, (LOG_DEBUG, 2961 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 2962 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 2963 2964 /* Compute averages. */ 2965 synaction->avg_dx = 2966 (weight_current * dx * multiplicator + 2967 weight_prev_x * synaction->avg_dx) / 2968 (weight_current + weight_prev_x); 2969 2970 synaction->avg_dy = 2971 (weight_current * dy * multiplicator + 2972 weight_prev_y * synaction->avg_dy) / 2973 (weight_current + weight_prev_y); 2974 2975 VLOG(5, (LOG_DEBUG, 2976 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 2977 synaction->avg_dx / multiplicator, 2978 synaction->avg_dy / multiplicator)); 2979 2980 /* Use these averages to calculate x & y. */ 2981 synaction->squelch_x += synaction->avg_dx; 2982 *x = synaction->squelch_x / (div_x * multiplicator); 2983 synaction->squelch_x = synaction->squelch_x % 2984 (div_x * multiplicator); 2985 2986 synaction->squelch_y += synaction->avg_dy; 2987 *y = synaction->squelch_y / (div_y * multiplicator); 2988 synaction->squelch_y = synaction->squelch_y % 2989 (div_y * multiplicator); 2990 2991 if (synaction->in_vscroll) { 2992 switch(synaction->in_vscroll) { 2993 case 1: /* Vertical scrolling. */ 2994 if (*y != 0) 2995 ms->button |= (*y > 0) ? 2996 MOUSE_BUTTON4DOWN : 2997 MOUSE_BUTTON5DOWN; 2998 break; 2999 case 2: /* Horizontal scrolling. */ 3000 if (*x != 0) 3001 ms->button |= (*x > 0) ? 3002 MOUSE_BUTTON7DOWN : 3003 MOUSE_BUTTON6DOWN; 3004 break; 3005 } 3006 3007 /* The pointer is not moved. */ 3008 *x = *y = 0; 3009 } else { 3010 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3011 dx, dy, *x, *y)); 3012 } 3013 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3014 /* 3015 * An action is currently taking place but the pressure 3016 * dropped under the minimum, putting an end to it. 3017 */ 3018 synapticsaction_t *synaction; 3019 int taphold_timeout, dx, dy, tap_max_delta; 3020 3021 synaction = &(sc->synaction); 3022 dx = abs(synaction->queue[synaction->queue_cursor].x - 3023 synaction->start_x); 3024 dy = abs(synaction->queue[synaction->queue_cursor].y - 3025 synaction->start_y); 3026 3027 /* Max delta is disabled for multi-fingers tap. */ 3028 if (synaction->fingers_nb > 1) 3029 tap_max_delta = imax(dx, dy); 3030 else 3031 tap_max_delta = sc->syninfo.tap_max_delta; 3032 3033 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3034 3035 /* Check for tap. */ 3036 VLOG(3, (LOG_DEBUG, 3037 "synaptics: zmax=%d, dx=%d, dy=%d, " 3038 "delta=%d, fingers=%d, queue=%d\n", 3039 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3040 synaction->queue_len)); 3041 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3042 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3043 dx <= tap_max_delta && dy <= tap_max_delta && 3044 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3045 /* 3046 * We have a tap if: 3047 * - the maximum pressure went over tap_threshold 3048 * - the action ended before tap_timeout 3049 * 3050 * To handle tap-hold, we must delay any button push to 3051 * the next action. 3052 */ 3053 if (synaction->in_taphold) { 3054 /* 3055 * This is the second and last tap of a 3056 * double tap action, not a tap-hold. 3057 */ 3058 synaction->in_taphold = 0; 3059 3060 /* 3061 * For double-tap to work: 3062 * - no button press is emitted (to 3063 * simulate a button release) 3064 * - PSM_FLAGS_FINGERDOWN is set to 3065 * force the next packet to emit a 3066 * button press) 3067 */ 3068 VLOG(2, (LOG_DEBUG, 3069 "synaptics: button RELEASE: %d\n", 3070 synaction->tap_button)); 3071 sc->flags |= PSM_FLAGS_FINGERDOWN; 3072 } else { 3073 /* 3074 * This is the first tap: we set the 3075 * tap-hold state and notify the button 3076 * down event. 3077 */ 3078 synaction->in_taphold = 1; 3079 taphold_timeout = sc->syninfo.taphold_timeout; 3080 sc->taptimeout.tv_sec = taphold_timeout / 3081 1000000; 3082 sc->taptimeout.tv_usec = taphold_timeout % 3083 1000000; 3084 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3085 3086 switch (synaction->fingers_nb) { 3087 case 3: 3088 synaction->tap_button = 3089 MOUSE_BUTTON2DOWN; 3090 break; 3091 case 2: 3092 synaction->tap_button = 3093 MOUSE_BUTTON3DOWN; 3094 break; 3095 default: 3096 synaction->tap_button = 3097 MOUSE_BUTTON1DOWN; 3098 } 3099 VLOG(2, (LOG_DEBUG, 3100 "synaptics: button PRESS: %d\n", 3101 synaction->tap_button)); 3102 ms->button |= synaction->tap_button; 3103 } 3104 } else { 3105 /* 3106 * Not enough pressure or timeout: reset 3107 * tap-hold state. 3108 */ 3109 if (synaction->in_taphold) { 3110 VLOG(2, (LOG_DEBUG, 3111 "synaptics: button RELEASE: %d\n", 3112 synaction->tap_button)); 3113 synaction->in_taphold = 0; 3114 } else { 3115 VLOG(2, (LOG_DEBUG, 3116 "synaptics: not a tap-hold\n")); 3117 } 3118 } 3119 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3120 sc->synaction.in_taphold) { 3121 /* 3122 * For a tap-hold to work, the button must remain down at 3123 * least until timeout (where the in_taphold flags will be 3124 * cleared) or during the next action. 3125 */ 3126 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3127 ms->button |= sc->synaction.tap_button; 3128 } else { 3129 VLOG(2, (LOG_DEBUG, 3130 "synaptics: button RELEASE: %d\n", 3131 sc->synaction.tap_button)); 3132 sc->synaction.in_taphold = 0; 3133 } 3134 } 3135 3136 SYNAPTICS_END: 3137 /* 3138 * Use the extra buttons as a scrollwheel 3139 * 3140 * XXX X.Org uses the Z axis for vertical wheel only, 3141 * whereas moused(8) understands special values to differ 3142 * vertical and horizontal wheels. 3143 * 3144 * xf86-input-mouse needs therefore a small patch to 3145 * understand these special values. Without it, the 3146 * horizontal wheel acts as a vertical wheel in X.Org. 3147 * 3148 * That's why the horizontal wheel is disabled by 3149 * default for now. 3150 */ 3151 if (ms->button & MOUSE_BUTTON4DOWN) { 3152 *z = -1; 3153 ms->button &= ~MOUSE_BUTTON4DOWN; 3154 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3155 *z = 1; 3156 ms->button &= ~MOUSE_BUTTON5DOWN; 3157 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3158 *z = -2; 3159 ms->button &= ~MOUSE_BUTTON6DOWN; 3160 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3161 *z = 2; 3162 ms->button &= ~MOUSE_BUTTON7DOWN; 3163 } else 3164 *z = 0; 3165 3166 return (0); 3167 } 3168 3169 static void 3170 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3171 int *x, int *y, int *z) 3172 { 3173 static int butmap_versapad[8] = { 3174 0, 3175 MOUSE_BUTTON3DOWN, 3176 0, 3177 MOUSE_BUTTON3DOWN, 3178 MOUSE_BUTTON1DOWN, 3179 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3180 MOUSE_BUTTON1DOWN, 3181 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3182 }; 3183 int c, x0, y0; 3184 3185 /* VersaPad PS/2 absolute mode message format 3186 * 3187 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3188 * ipacket[0]: 1 1 0 A 1 L T R 3189 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3190 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3191 * ipacket[3]: 1 1 1 A 1 L T R 3192 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3193 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3194 * 3195 * [note] 3196 * R: right physical mouse button (1=on) 3197 * T: touch pad virtual button (1=tapping) 3198 * L: left physical mouse button (1=on) 3199 * A: position data is valid (1=valid) 3200 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3201 * V: vertical data (12bit signed integer. V11 is sign bit.) 3202 * P: pressure data 3203 * 3204 * Tapping is mapped to MOUSE_BUTTON4. 3205 */ 3206 c = pb->ipacket[0]; 3207 *x = *y = 0; 3208 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3209 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3210 if (c & MOUSE_PS2VERSA_IN_USE) { 3211 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3212 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3213 if (x0 & 0x800) 3214 x0 -= 0x1000; 3215 if (y0 & 0x800) 3216 y0 -= 0x1000; 3217 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3218 *x = sc->xold - x0; 3219 *y = y0 - sc->yold; 3220 if (*x < 0) /* XXX */ 3221 ++*x; 3222 else if (*x) 3223 --*x; 3224 if (*y < 0) 3225 ++*y; 3226 else if (*y) 3227 --*y; 3228 } else 3229 sc->flags |= PSM_FLAGS_FINGERDOWN; 3230 sc->xold = x0; 3231 sc->yold = y0; 3232 } else 3233 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3234 } 3235 3236 static void 3237 psmsoftintr(void *arg) 3238 { 3239 /* 3240 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3241 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3242 */ 3243 static int butmap[8] = { 3244 0, 3245 MOUSE_BUTTON1DOWN, 3246 MOUSE_BUTTON3DOWN, 3247 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3248 MOUSE_BUTTON2DOWN, 3249 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3250 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3251 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3252 }; 3253 struct psm_softc *sc = arg; 3254 mousestatus_t ms; 3255 packetbuf_t *pb; 3256 int x, y, z, c, l; 3257 3258 getmicrouptime(&sc->lastsoftintr); 3259 3260 crit_enter(); 3261 3262 do { 3263 pb = &sc->pqueue[sc->pqueue_start]; 3264 3265 if (sc->mode.level == PSM_LEVEL_NATIVE) 3266 goto next_native; 3267 3268 c = pb->ipacket[0]; 3269 /* 3270 * A kludge for Kensington device! 3271 * The MSB of the horizontal count appears to be stored in 3272 * a strange place. 3273 */ 3274 if (sc->hw.model == MOUSE_MODEL_THINK) 3275 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3276 3277 /* ignore the overflow bits... */ 3278 x = (c & MOUSE_PS2_XNEG) ? 3279 pb->ipacket[1] - 256 : pb->ipacket[1]; 3280 y = (c & MOUSE_PS2_YNEG) ? 3281 pb->ipacket[2] - 256 : pb->ipacket[2]; 3282 z = 0; 3283 ms.obutton = sc->button; /* previous button state */ 3284 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3285 /* `tapping' action */ 3286 if (sc->config & PSM_CONFIG_FORCETAP) 3287 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3288 0 : MOUSE_BUTTON4DOWN; 3289 3290 switch (sc->hw.model) { 3291 3292 case MOUSE_MODEL_EXPLORER: 3293 /* 3294 * b7 b6 b5 b4 b3 b2 b1 b0 3295 * byte 1: oy ox sy sx 1 M R L 3296 * byte 2: x x x x x x x x 3297 * byte 3: y y y y y y y y 3298 * byte 4: * * S2 S1 s d2 d1 d0 3299 * 3300 * L, M, R, S1, S2: left, middle, right and side buttons 3301 * s: wheel data sign bit 3302 * d2-d0: wheel data 3303 */ 3304 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3305 (pb->ipacket[3] & 0x0f) - 16 : 3306 (pb->ipacket[3] & 0x0f); 3307 ms.button |= 3308 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3309 MOUSE_BUTTON4DOWN : 0; 3310 ms.button |= 3311 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3312 MOUSE_BUTTON5DOWN : 0; 3313 break; 3314 3315 case MOUSE_MODEL_INTELLI: 3316 case MOUSE_MODEL_NET: 3317 /* wheel data is in the fourth byte */ 3318 z = (char)pb->ipacket[3]; 3319 /* 3320 * XXX some mice may send 7 when there is no Z movement? */ 3321 if ((z >= 7) || (z <= -7)) 3322 z = 0; 3323 /* some compatible mice have additional buttons */ 3324 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3325 MOUSE_BUTTON4DOWN : 0; 3326 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3327 MOUSE_BUTTON5DOWN : 0; 3328 break; 3329 3330 case MOUSE_MODEL_MOUSEMANPLUS: 3331 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3332 break; 3333 3334 case MOUSE_MODEL_GLIDEPOINT: 3335 /* `tapping' action */ 3336 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3337 MOUSE_BUTTON4DOWN; 3338 break; 3339 3340 case MOUSE_MODEL_NETSCROLL: 3341 /* 3342 * three addtional bytes encode buttons and 3343 * wheel events 3344 */ 3345 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3346 MOUSE_BUTTON4DOWN : 0; 3347 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3348 MOUSE_BUTTON5DOWN : 0; 3349 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3350 pb->ipacket[4] - 256 : pb->ipacket[4]; 3351 break; 3352 3353 case MOUSE_MODEL_THINK: 3354 /* the fourth button state in the first byte */ 3355 ms.button |= (c & MOUSE_PS2_TAP) ? 3356 MOUSE_BUTTON4DOWN : 0; 3357 break; 3358 3359 case MOUSE_MODEL_VERSAPAD: 3360 proc_versapad(sc, pb, &ms, &x, &y, &z); 3361 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3362 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3363 break; 3364 3365 case MOUSE_MODEL_4D: 3366 /* 3367 * b7 b6 b5 b4 b3 b2 b1 b0 3368 * byte 1: s2 d2 s1 d1 1 M R L 3369 * byte 2: sx x x x x x x x 3370 * byte 3: sy y y y y y y y 3371 * 3372 * s1: wheel 1 direction 3373 * d1: wheel 1 data 3374 * s2: wheel 2 direction 3375 * d2: wheel 2 data 3376 */ 3377 x = (pb->ipacket[1] & 0x80) ? 3378 pb->ipacket[1] - 256 : pb->ipacket[1]; 3379 y = (pb->ipacket[2] & 0x80) ? 3380 pb->ipacket[2] - 256 : pb->ipacket[2]; 3381 switch (c & MOUSE_4D_WHEELBITS) { 3382 case 0x10: 3383 z = 1; 3384 break; 3385 case 0x30: 3386 z = -1; 3387 break; 3388 case 0x40: /* XXX 2nd wheel turning right */ 3389 z = 2; 3390 break; 3391 case 0xc0: /* XXX 2nd wheel turning left */ 3392 z = -2; 3393 break; 3394 } 3395 break; 3396 3397 case MOUSE_MODEL_4DPLUS: 3398 if ((x < 16 - 256) && (y < 16 - 256)) { 3399 /* 3400 * b7 b6 b5 b4 b3 b2 b1 b0 3401 * byte 1: 0 0 1 1 1 M R L 3402 * byte 2: 0 0 0 0 1 0 0 0 3403 * byte 3: 0 0 0 0 S s d1 d0 3404 * 3405 * L, M, R, S: left, middle, right, 3406 * and side buttons 3407 * s: wheel data sign bit 3408 * d1-d0: wheel data 3409 */ 3410 x = y = 0; 3411 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3412 ms.button |= MOUSE_BUTTON4DOWN; 3413 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3414 ((pb->ipacket[2] & 0x07) - 8) : 3415 (pb->ipacket[2] & 0x07) ; 3416 } else { 3417 /* preserve previous button states */ 3418 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3419 } 3420 break; 3421 3422 case MOUSE_MODEL_SYNAPTICS: 3423 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3424 goto next; 3425 break; 3426 3427 case MOUSE_MODEL_GENERIC: 3428 default: 3429 break; 3430 } 3431 3432 /* scale values */ 3433 if (sc->mode.accelfactor >= 1) { 3434 if (x != 0) { 3435 x = x * x / sc->mode.accelfactor; 3436 if (x == 0) 3437 x = 1; 3438 if (c & MOUSE_PS2_XNEG) 3439 x = -x; 3440 } 3441 if (y != 0) { 3442 y = y * y / sc->mode.accelfactor; 3443 if (y == 0) 3444 y = 1; 3445 if (c & MOUSE_PS2_YNEG) 3446 y = -y; 3447 } 3448 } 3449 3450 ms.dx = x; 3451 ms.dy = y; 3452 ms.dz = z; 3453 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3454 (ms.obutton ^ ms.button); 3455 3456 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3457 3458 sc->status.flags |= ms.flags; 3459 sc->status.dx += ms.dx; 3460 sc->status.dy += ms.dy; 3461 sc->status.dz += ms.dz; 3462 sc->status.button = ms.button; 3463 sc->button = ms.button; 3464 3465 next_native: 3466 sc->watchdog = FALSE; 3467 3468 /* queue data */ 3469 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3470 l = imin(pb->inputbytes, 3471 sizeof(sc->queue.buf) - sc->queue.tail); 3472 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3473 if (pb->inputbytes > l) 3474 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3475 pb->inputbytes - l); 3476 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3477 sizeof(sc->queue.buf); 3478 sc->queue.count += pb->inputbytes; 3479 } 3480 pb->inputbytes = 0; 3481 3482 next: 3483 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3484 sc->pqueue_start = 0; 3485 } while (sc->pqueue_start != sc->pqueue_end); 3486 3487 if (sc->state & PSM_ASLP) { 3488 sc->state &= ~PSM_ASLP; 3489 wakeup(sc); 3490 } 3491 KNOTE(&sc->rkq.ki_note, 0); 3492 3493 sc->state &= ~PSM_SOFTARMED; 3494 crit_exit(); 3495 } 3496 3497 static struct filterops psmfiltops = 3498 { FILTEROP_ISFD, NULL, psmfilter_detach, psmfilter }; 3499 3500 static int 3501 psmkqfilter(struct dev_kqfilter_args *ap) 3502 { 3503 cdev_t dev = ap->a_head.a_dev; 3504 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 3505 struct knote *kn = ap->a_kn; 3506 struct klist *klist; 3507 3508 ap->a_result = 0; 3509 3510 switch (kn->kn_filter) { 3511 case EVFILT_READ: 3512 kn->kn_fop = &psmfiltops; 3513 kn->kn_hook = (caddr_t)sc; 3514 break; 3515 default: 3516 ap->a_result = EOPNOTSUPP; 3517 return (0); 3518 } 3519 3520 klist = &sc->rkq.ki_note; 3521 knote_insert(klist, kn); 3522 3523 return (0); 3524 } 3525 3526 static void 3527 psmfilter_detach(struct knote *kn) 3528 { 3529 struct psm_softc *sc = (struct psm_softc *)kn->kn_hook; 3530 struct klist *klist; 3531 3532 klist = &sc->rkq.ki_note; 3533 knote_remove(klist, kn); 3534 } 3535 3536 static int 3537 psmfilter(struct knote *kn, long hint) 3538 { 3539 struct psm_softc *sc = (struct psm_softc *)kn->kn_hook; 3540 int ready = 0; 3541 3542 crit_enter(); 3543 if (sc->queue.count > 0) 3544 ready = 1; 3545 crit_exit(); 3546 3547 return (ready); 3548 } 3549 3550 /* vendor/model specific routines */ 3551 3552 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3553 { 3554 if (set_mouse_resolution(kbdc, res) != res) 3555 return (FALSE); 3556 if (set_mouse_scaling(kbdc, scale) && 3557 set_mouse_scaling(kbdc, scale) && 3558 set_mouse_scaling(kbdc, scale) && 3559 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3560 return (TRUE); 3561 return (FALSE); 3562 } 3563 3564 static int 3565 mouse_ext_command(KBDC kbdc, int command) 3566 { 3567 int c; 3568 3569 c = (command >> 6) & 0x03; 3570 if (set_mouse_resolution(kbdc, c) != c) 3571 return (FALSE); 3572 c = (command >> 4) & 0x03; 3573 if (set_mouse_resolution(kbdc, c) != c) 3574 return (FALSE); 3575 c = (command >> 2) & 0x03; 3576 if (set_mouse_resolution(kbdc, c) != c) 3577 return (FALSE); 3578 c = (command >> 0) & 0x03; 3579 if (set_mouse_resolution(kbdc, c) != c) 3580 return (FALSE); 3581 return (TRUE); 3582 } 3583 3584 #ifdef notyet 3585 /* Logitech MouseMan Cordless II */ 3586 static int 3587 enable_lcordless(struct psm_softc *sc) 3588 { 3589 int status[3]; 3590 int ch; 3591 3592 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 3593 return (FALSE); 3594 if (status[1] == PSMD_RES_HIGH) 3595 return (FALSE); 3596 ch = (status[0] & 0x07) - 1; /* channel # */ 3597 if ((ch <= 0) || (ch > 4)) 3598 return (FALSE); 3599 /* 3600 * status[1]: always one? 3601 * status[2]: battery status? (0-100) 3602 */ 3603 return (TRUE); 3604 } 3605 #endif /* notyet */ 3606 3607 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3608 static int 3609 enable_groller(struct psm_softc *sc) 3610 { 3611 int status[3]; 3612 3613 /* 3614 * The special sequence to enable the fourth button and the 3615 * roller. Immediately after this sequence check status bytes. 3616 * if the mouse is NetScroll, the second and the third bytes are 3617 * '3' and 'D'. 3618 */ 3619 3620 /* 3621 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3622 * look like the following. 3623 * 3624 * byte 1 bit 7 always 0 3625 * bit 6 stream mode (0) 3626 * bit 5 disabled (0) 3627 * bit 4 1:1 scaling (0) 3628 * bit 3 always 0 3629 * bit 0-2 button status 3630 * byte 2 resolution (PSMD_RES_HIGH) 3631 * byte 3 report rate (?) 3632 */ 3633 3634 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3635 return (FALSE); 3636 if ((status[1] != '3') || (status[2] != 'D')) 3637 return (FALSE); 3638 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3639 sc->hw.buttons = 4; 3640 return (TRUE); 3641 } 3642 3643 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3644 static int 3645 enable_gmouse(struct psm_softc *sc) 3646 { 3647 int status[3]; 3648 3649 /* 3650 * The special sequence to enable the middle, "rubber" button. 3651 * Immediately after this sequence check status bytes. 3652 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3653 * the second and the third bytes are '3' and 'U'. 3654 * NOTE: NetMouse reports that it has three buttons although it has 3655 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3656 * say they have three buttons too and they do have a button on the 3657 * side... 3658 */ 3659 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3660 return (FALSE); 3661 if ((status[1] != '3') || (status[2] != 'U')) 3662 return (FALSE); 3663 return (TRUE); 3664 } 3665 3666 /* ALPS GlidePoint */ 3667 static int 3668 enable_aglide(struct psm_softc *sc) 3669 { 3670 int status[3]; 3671 3672 /* 3673 * The special sequence to obtain ALPS GlidePoint specific 3674 * information. Immediately after this sequence, status bytes will 3675 * contain something interesting. 3676 * NOTE: ALPS produces several models of GlidePoint. Some of those 3677 * do not respond to this sequence, thus, cannot be detected this way. 3678 */ 3679 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 3680 return (FALSE); 3681 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 3682 return (FALSE); 3683 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3684 return (FALSE); 3685 return (TRUE); 3686 } 3687 3688 /* Kensington ThinkingMouse/Trackball */ 3689 static int 3690 enable_kmouse(struct psm_softc *sc) 3691 { 3692 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3693 KBDC kbdc = sc->kbdc; 3694 int status[3]; 3695 int id1; 3696 int id2; 3697 int i; 3698 3699 id1 = get_aux_id(kbdc); 3700 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3701 return (FALSE); 3702 /* 3703 * The device is now in the native mode? It returns a different 3704 * ID value... 3705 */ 3706 id2 = get_aux_id(kbdc); 3707 if ((id1 == id2) || (id2 != 2)) 3708 return (FALSE); 3709 3710 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3711 return (FALSE); 3712 #if PSM_DEBUG >= 2 3713 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3714 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3715 return (FALSE); 3716 #endif 3717 3718 /* 3719 * The special sequence to enable the third and fourth buttons. 3720 * Otherwise they behave like the first and second buttons. 3721 */ 3722 for (i = 0; i < NELEM(rate); ++i) 3723 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3724 return (FALSE); 3725 3726 /* 3727 * At this point, the device is using default resolution and 3728 * sampling rate for the native mode. 3729 */ 3730 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3731 return (FALSE); 3732 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3733 return (FALSE); 3734 3735 /* the device appears be enabled by this sequence, diable it for now */ 3736 disable_aux_dev(kbdc); 3737 empty_aux_buffer(kbdc, 5); 3738 3739 return (TRUE); 3740 } 3741 3742 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3743 static int 3744 enable_mmanplus(struct psm_softc *sc) 3745 { 3746 KBDC kbdc = sc->kbdc; 3747 int data[3]; 3748 3749 /* the special sequence to enable the fourth button and the roller. */ 3750 /* 3751 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3752 * must be called exactly three times since the last RESET command 3753 * before this sequence. XXX 3754 */ 3755 if (!set_mouse_scaling(kbdc, 1)) 3756 return (FALSE); 3757 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3758 return (FALSE); 3759 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3760 return (FALSE); 3761 3762 /* 3763 * PS2++ protocl, packet type 0 3764 * 3765 * b7 b6 b5 b4 b3 b2 b1 b0 3766 * byte 1: * 1 p3 p2 1 * * * 3767 * byte 2: 1 1 p1 p0 m1 m0 1 0 3768 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3769 * 3770 * p3-p0: packet type: 0 3771 * m7-m0: model ID: MouseMan+:0x50, 3772 * FirstMouse+:0x51, 3773 * ScrollPoint:0x58... 3774 */ 3775 /* check constant bits */ 3776 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3777 return (FALSE); 3778 if ((data[1] & 0xc3) != 0xc2) 3779 return (FALSE); 3780 /* check d3-d0 in byte 2 */ 3781 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3782 return (FALSE); 3783 /* check p3-p0 */ 3784 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3785 return (FALSE); 3786 3787 sc->hw.hwid &= 0x00ff; 3788 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3789 3790 /* 3791 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3792 * the wheel and the fourth button events are encoded in the 3793 * special data packet. The mouse may be put in the IntelliMouse mode 3794 * if it is initialized by the IntelliMouse's method. 3795 */ 3796 return (TRUE); 3797 } 3798 3799 /* MS IntelliMouse Explorer */ 3800 static int 3801 enable_msexplorer(struct psm_softc *sc) 3802 { 3803 static u_char rate0[] = { 200, 100, 80, }; 3804 static u_char rate1[] = { 200, 200, 80, }; 3805 KBDC kbdc = sc->kbdc; 3806 int id; 3807 int i; 3808 3809 /* 3810 * This is needed for at least A4Tech X-7xx mice - they do not go 3811 * straight to Explorer mode, but need to be set to Intelli mode 3812 * first. 3813 */ 3814 enable_msintelli(sc); 3815 3816 /* the special sequence to enable the extra buttons and the roller. */ 3817 for (i = 0; i < NELEM(rate1); ++i) 3818 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3819 return (FALSE); 3820 /* the device will give the genuine ID only after the above sequence */ 3821 id = get_aux_id(kbdc); 3822 if (id != PSM_EXPLORER_ID) 3823 return (FALSE); 3824 3825 sc->hw.hwid = id; 3826 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3827 3828 /* 3829 * XXX: this is a kludge to fool some KVM switch products 3830 * which think they are clever enough to know the 4-byte IntelliMouse 3831 * protocol, and assume any other protocols use 3-byte packets. 3832 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3833 * correctly to the host computer because of this! 3834 * The following sequence is actually IntelliMouse's "wake up" 3835 * sequence; it will make the KVM think the mouse is IntelliMouse 3836 * when it is in fact IntelliMouse Explorer. 3837 */ 3838 for (i = 0; i < NELEM(rate0); ++i) 3839 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3840 break; 3841 id = get_aux_id(kbdc); 3842 3843 return (TRUE); 3844 } 3845 3846 /* MS IntelliMouse */ 3847 static int 3848 enable_msintelli(struct psm_softc *sc) 3849 { 3850 /* 3851 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3852 * probe routine and act like IntelliMouse. 3853 */ 3854 3855 static u_char rate[] = { 200, 100, 80, }; 3856 KBDC kbdc = sc->kbdc; 3857 int id; 3858 int i; 3859 3860 /* the special sequence to enable the third button and the roller. */ 3861 for (i = 0; i < NELEM(rate); ++i) 3862 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3863 return (FALSE); 3864 /* the device will give the genuine ID only after the above sequence */ 3865 id = get_aux_id(kbdc); 3866 if (id != PSM_INTELLI_ID) 3867 return (FALSE); 3868 3869 sc->hw.hwid = id; 3870 sc->hw.buttons = 3; 3871 3872 return (TRUE); 3873 } 3874 3875 /* A4 Tech 4D Mouse */ 3876 static int 3877 enable_4dmouse(struct psm_softc *sc) 3878 { 3879 /* 3880 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3881 */ 3882 3883 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3884 KBDC kbdc = sc->kbdc; 3885 int id; 3886 int i; 3887 3888 for (i = 0; i < NELEM(rate); ++i) 3889 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3890 return (FALSE); 3891 id = get_aux_id(kbdc); 3892 /* 3893 * WinEasy 4D, 4 Way Scroll 4D: 6 3894 * Cable-Free 4D: 8 (4DPLUS) 3895 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3896 */ 3897 if (id != PSM_4DMOUSE_ID) 3898 return (FALSE); 3899 3900 sc->hw.hwid = id; 3901 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3902 3903 return (TRUE); 3904 } 3905 3906 /* A4 Tech 4D+ Mouse */ 3907 static int 3908 enable_4dplus(struct psm_softc *sc) 3909 { 3910 /* 3911 * Newer wheel mice from A4 Tech seem to use this protocol. 3912 * Older models are recognized as either 4D Mouse or IntelliMouse. 3913 */ 3914 KBDC kbdc = sc->kbdc; 3915 int id; 3916 3917 /* 3918 * enable_4dmouse() already issued the following ID sequence... 3919 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3920 int i; 3921 3922 for (i = 0; i < NELEM(rate); ++i) 3923 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3924 return (FALSE); 3925 */ 3926 3927 id = get_aux_id(kbdc); 3928 switch (id) { 3929 case PSM_4DPLUS_ID: 3930 sc->hw.buttons = 4; 3931 break; 3932 case PSM_4DPLUS_RFSW35_ID: 3933 sc->hw.buttons = 3; 3934 break; 3935 default: 3936 return (FALSE); 3937 } 3938 3939 sc->hw.hwid = id; 3940 3941 return (TRUE); 3942 } 3943 3944 /* Synaptics Touchpad */ 3945 static int 3946 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 3947 { 3948 int error, arg; 3949 3950 /* Read the current value. */ 3951 arg = *(int *)oidp->oid_arg1; 3952 error = sysctl_handle_int(oidp, &arg, 0, req); 3953 3954 /* Sanity check. */ 3955 if (error || !req->newptr) 3956 return (error); 3957 3958 /* 3959 * Check that the new value is in the concerned node's range 3960 * of values. 3961 */ 3962 switch (oidp->oid_arg2) { 3963 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 3964 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 3965 if (arg < 0 || arg > 255) 3966 return (EINVAL); 3967 break; 3968 case SYNAPTICS_SYSCTL_MAX_WIDTH: 3969 if (arg < 4 || arg > 15) 3970 return (EINVAL); 3971 break; 3972 case SYNAPTICS_SYSCTL_MARGIN_TOP: 3973 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 3974 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 3975 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 3976 case SYNAPTICS_SYSCTL_NA_TOP: 3977 case SYNAPTICS_SYSCTL_NA_RIGHT: 3978 case SYNAPTICS_SYSCTL_NA_BOTTOM: 3979 case SYNAPTICS_SYSCTL_NA_LEFT: 3980 if (arg < 0 || arg > 6143) 3981 return (EINVAL); 3982 break; 3983 case SYNAPTICS_SYSCTL_WINDOW_MIN: 3984 case SYNAPTICS_SYSCTL_WINDOW_MAX: 3985 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 3986 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 3987 return (EINVAL); 3988 break; 3989 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 3990 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 3991 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 3992 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 3993 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 3994 case SYNAPTICS_SYSCTL_DIV_MIN: 3995 case SYNAPTICS_SYSCTL_DIV_MAX: 3996 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 3997 case SYNAPTICS_SYSCTL_DIV_LEN: 3998 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 3999 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 4000 if (arg < 1) 4001 return (EINVAL); 4002 break; 4003 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 4004 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 4005 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 4006 if (arg < 0) 4007 return (EINVAL); 4008 break; 4009 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 4010 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 4011 if (arg < -6143 || arg > 6143) 4012 return (EINVAL); 4013 break; 4014 default: 4015 return (EINVAL); 4016 } 4017 4018 /* Update. */ 4019 *(int *)oidp->oid_arg1 = arg; 4020 4021 return (error); 4022 } 4023 4024 static void 4025 synaptics_sysctl_create_tree(struct psm_softc *sc) 4026 { 4027 4028 if (sc->syninfo.sysctl_tree != NULL) 4029 return; 4030 4031 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 4032 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 4033 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 4034 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 4035 0, "Synaptics TouchPad"); 4036 4037 /* hw.psm.synaptics.directional_scrolls. */ 4038 sc->syninfo.directional_scrolls = 1; 4039 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4040 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4041 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4042 &sc->syninfo.directional_scrolls, 0, 4043 "Enable hardware scrolling pad (if non-zero) or register it as " 4044 "a middle-click (if 0)"); 4045 4046 /* hw.psm.synaptics.min_pressure. */ 4047 sc->syninfo.min_pressure = 16; 4048 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4049 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4050 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4051 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4052 synaptics_sysctl, "I", 4053 "Minimum pressure required to start an action"); 4054 4055 /* hw.psm.synaptics.max_pressure. */ 4056 sc->syninfo.max_pressure = 220; 4057 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4058 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4059 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4060 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4061 synaptics_sysctl, "I", 4062 "Maximum pressure to detect palm"); 4063 4064 /* hw.psm.synaptics.max_width. */ 4065 sc->syninfo.max_width = 10; 4066 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4067 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4068 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4069 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4070 synaptics_sysctl, "I", 4071 "Maximum finger width to detect palm"); 4072 4073 /* hw.psm.synaptics.top_margin. */ 4074 sc->syninfo.margin_top = 200; 4075 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4076 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4077 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4078 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4079 synaptics_sysctl, "I", 4080 "Top margin"); 4081 4082 /* hw.psm.synaptics.right_margin. */ 4083 sc->syninfo.margin_right = 200; 4084 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4085 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4086 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4087 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4088 synaptics_sysctl, "I", 4089 "Right margin"); 4090 4091 /* hw.psm.synaptics.bottom_margin. */ 4092 sc->syninfo.margin_bottom = 200; 4093 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4094 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4095 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4096 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4097 synaptics_sysctl, "I", 4098 "Bottom margin"); 4099 4100 /* hw.psm.synaptics.left_margin. */ 4101 sc->syninfo.margin_left = 200; 4102 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4103 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4104 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4105 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4106 synaptics_sysctl, "I", 4107 "Left margin"); 4108 4109 /* hw.psm.synaptics.na_top. */ 4110 sc->syninfo.na_top = 1783; 4111 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4112 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4113 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4114 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4115 synaptics_sysctl, "I", 4116 "Top noisy area, where weight_previous_na is used instead " 4117 "of weight_previous"); 4118 4119 /* hw.psm.synaptics.na_right. */ 4120 sc->syninfo.na_right = 563; 4121 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4122 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4123 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4124 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4125 synaptics_sysctl, "I", 4126 "Right noisy area, where weight_previous_na is used instead " 4127 "of weight_previous"); 4128 4129 /* hw.psm.synaptics.na_bottom. */ 4130 sc->syninfo.na_bottom = 1408; 4131 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4132 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4133 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4134 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4135 synaptics_sysctl, "I", 4136 "Bottom noisy area, where weight_previous_na is used instead " 4137 "of weight_previous"); 4138 4139 /* hw.psm.synaptics.na_left. */ 4140 sc->syninfo.na_left = 1600; 4141 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4142 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4143 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4144 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4145 synaptics_sysctl, "I", 4146 "Left noisy area, where weight_previous_na is used instead " 4147 "of weight_previous"); 4148 4149 /* hw.psm.synaptics.window_min. */ 4150 sc->syninfo.window_min = 4; 4151 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4152 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4153 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4154 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4155 synaptics_sysctl, "I", 4156 "Minimum window size to start an action"); 4157 4158 /* hw.psm.synaptics.window_max. */ 4159 sc->syninfo.window_max = 10; 4160 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4161 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4162 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4163 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4164 synaptics_sysctl, "I", 4165 "Maximum window size"); 4166 4167 /* hw.psm.synaptics.multiplicator. */ 4168 sc->syninfo.multiplicator = 10000; 4169 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4170 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4171 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4172 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4173 synaptics_sysctl, "I", 4174 "Multiplicator to increase precision in averages and divisions"); 4175 4176 /* hw.psm.synaptics.weight_current. */ 4177 sc->syninfo.weight_current = 3; 4178 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4179 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4180 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4181 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4182 synaptics_sysctl, "I", 4183 "Weight of the current movement in the new average"); 4184 4185 /* hw.psm.synaptics.weight_previous. */ 4186 sc->syninfo.weight_previous = 6; 4187 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4188 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4189 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4190 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4191 synaptics_sysctl, "I", 4192 "Weight of the previous average"); 4193 4194 /* hw.psm.synaptics.weight_previous_na. */ 4195 sc->syninfo.weight_previous_na = 20; 4196 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4197 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4198 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4199 &sc->syninfo.weight_previous_na, 4200 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4201 synaptics_sysctl, "I", 4202 "Weight of the previous average (inside the noisy area)"); 4203 4204 /* hw.psm.synaptics.weight_len_squared. */ 4205 sc->syninfo.weight_len_squared = 2000; 4206 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4207 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4208 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4209 &sc->syninfo.weight_len_squared, 4210 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4211 synaptics_sysctl, "I", 4212 "Length (squared) of segments where weight_previous " 4213 "starts to decrease"); 4214 4215 /* hw.psm.synaptics.div_min. */ 4216 sc->syninfo.div_min = 9; 4217 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4218 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4219 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4220 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4221 synaptics_sysctl, "I", 4222 "Divisor for fast movements"); 4223 4224 /* hw.psm.synaptics.div_max. */ 4225 sc->syninfo.div_max = 17; 4226 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4227 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4228 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4229 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4230 synaptics_sysctl, "I", 4231 "Divisor for slow movements"); 4232 4233 /* hw.psm.synaptics.div_max_na. */ 4234 sc->syninfo.div_max_na = 30; 4235 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4236 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4237 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4238 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4239 synaptics_sysctl, "I", 4240 "Divisor with slow movements (inside the noisy area)"); 4241 4242 /* hw.psm.synaptics.div_len. */ 4243 sc->syninfo.div_len = 100; 4244 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4245 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4246 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4247 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4248 synaptics_sysctl, "I", 4249 "Length of segments where div_max starts to decrease"); 4250 4251 /* hw.psm.synaptics.tap_max_delta. */ 4252 sc->syninfo.tap_max_delta = 80; 4253 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4254 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4255 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4256 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4257 synaptics_sysctl, "I", 4258 "Length of segments above which a tap is ignored"); 4259 4260 /* hw.psm.synaptics.tap_min_queue. */ 4261 sc->syninfo.tap_min_queue = 2; 4262 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4263 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4264 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4265 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4266 synaptics_sysctl, "I", 4267 "Number of packets required to consider a tap"); 4268 4269 /* hw.psm.synaptics.taphold_timeout. */ 4270 sc->synaction.in_taphold = 0; 4271 sc->syninfo.taphold_timeout = tap_timeout; 4272 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4273 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4274 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4275 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4276 synaptics_sysctl, "I", 4277 "Maximum elapsed time between two taps to consider a tap-hold " 4278 "action"); 4279 4280 /* hw.psm.synaptics.vscroll_hor_area. */ 4281 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4282 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4283 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4284 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4285 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4286 synaptics_sysctl, "I", 4287 "Area reserved for horizontal virtual scrolling"); 4288 4289 /* hw.psm.synaptics.vscroll_ver_area. */ 4290 sc->syninfo.vscroll_ver_area = -600; 4291 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4292 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4293 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4294 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4295 synaptics_sysctl, "I", 4296 "Area reserved for vertical virtual scrolling"); 4297 4298 /* hw.psm.synaptics.vscroll_min_delta. */ 4299 sc->syninfo.vscroll_min_delta = 50; 4300 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4301 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4302 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4303 &sc->syninfo.vscroll_min_delta, 4304 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4305 synaptics_sysctl, "I", 4306 "Minimum movement to consider virtual scrolling"); 4307 4308 /* hw.psm.synaptics.vscroll_div_min. */ 4309 sc->syninfo.vscroll_div_min = 100; 4310 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4311 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4312 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4313 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4314 synaptics_sysctl, "I", 4315 "Divisor for fast scrolling"); 4316 4317 /* hw.psm.synaptics.vscroll_div_min. */ 4318 sc->syninfo.vscroll_div_max = 150; 4319 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4320 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4321 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4322 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4323 synaptics_sysctl, "I", 4324 "Divisor for slow scrolling"); 4325 } 4326 4327 static int 4328 enable_synaptics(struct psm_softc *sc) 4329 { 4330 int status[3]; 4331 KBDC kbdc; 4332 4333 if (!synaptics_support) 4334 return (FALSE); 4335 4336 kbdc = sc->kbdc; 4337 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4338 sc->hw.buttons = 3; 4339 sc->squelch = 0; 4340 4341 /* 4342 * Just to be on the safe side: this avoids troubles with 4343 * following mouse_ext_command() when the previous command 4344 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4345 * Synaptics Touchpad behaviour. 4346 */ 4347 set_mouse_scaling(kbdc, 1); 4348 4349 /* Identify the Touchpad version. */ 4350 if (mouse_ext_command(kbdc, 0) == 0) 4351 return (FALSE); 4352 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4353 return (FALSE); 4354 if (status[1] != 0x47) 4355 return (FALSE); 4356 4357 sc->synhw.infoMinor = status[0]; 4358 sc->synhw.infoMajor = status[2] & 0x0f; 4359 4360 if (verbose >= 2) 4361 kprintf("Synaptics Touchpad v%d.%d\n", sc->synhw.infoMajor, 4362 sc->synhw.infoMinor); 4363 4364 if (sc->synhw.infoMajor < 4) { 4365 kprintf(" Unsupported (pre-v4) Touchpad detected\n"); 4366 return (FALSE); 4367 } 4368 4369 /* Get the Touchpad model information. */ 4370 if (mouse_ext_command(kbdc, 3) == 0) 4371 return (FALSE); 4372 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4373 return (FALSE); 4374 if ((status[1] & 0x01) != 0) { 4375 kprintf(" Failed to read model information\n"); 4376 return (FALSE); 4377 } 4378 4379 sc->synhw.infoRot180 = (status[0] & 0x80) >> 7; 4380 sc->synhw.infoPortrait = (status[0] & 0x40) >> 6; 4381 sc->synhw.infoSensor = status[0] & 0x3f; 4382 sc->synhw.infoHardware = (status[1] & 0xfe) >> 1; 4383 sc->synhw.infoNewAbs = (status[2] & 0x80) >> 7; 4384 sc->synhw.capPen = (status[2] & 0x40) >> 6; 4385 sc->synhw.infoSimplC = (status[2] & 0x20) >> 5; 4386 sc->synhw.infoGeometry = status[2] & 0x0f; 4387 4388 if (verbose >= 2) { 4389 kprintf(" Model information:\n"); 4390 kprintf(" infoRot180: %d\n", sc->synhw.infoRot180); 4391 kprintf(" infoPortrait: %d\n", sc->synhw.infoPortrait); 4392 kprintf(" infoSensor: %d\n", sc->synhw.infoSensor); 4393 kprintf(" infoHardware: %d\n", sc->synhw.infoHardware); 4394 kprintf(" infoNewAbs: %d\n", sc->synhw.infoNewAbs); 4395 kprintf(" capPen: %d\n", sc->synhw.capPen); 4396 kprintf(" infoSimplC: %d\n", sc->synhw.infoSimplC); 4397 kprintf(" infoGeometry: %d\n", sc->synhw.infoGeometry); 4398 } 4399 4400 /* Read the extended capability bits. */ 4401 if (mouse_ext_command(kbdc, 2) == 0) 4402 return (FALSE); 4403 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4404 return (FALSE); 4405 if (status[1] != 0x47) { 4406 kprintf(" Failed to read extended capability bits\n"); 4407 return (FALSE); 4408 } 4409 4410 /* Set the different capabilities when they exist. */ 4411 if ((status[0] & 0x80) >> 7) { 4412 sc->synhw.capExtended = (status[0] & 0x80) >> 7; 4413 sc->synhw.capPassthrough = (status[2] & 0x80) >> 7; 4414 sc->synhw.capSleep = (status[2] & 0x10) >> 4; 4415 sc->synhw.capFourButtons = (status[2] & 0x08) >> 3; 4416 sc->synhw.capMultiFinger = (status[2] & 0x02) >> 1; 4417 sc->synhw.capPalmDetect = (status[2] & 0x01); 4418 4419 if (verbose >= 2) { 4420 kprintf(" Extended capabilities:\n"); 4421 kprintf(" capExtended: %d\n", sc->synhw.capExtended); 4422 kprintf(" capPassthrough: %d\n", 4423 sc->synhw.capPassthrough); 4424 kprintf(" capSleep: %d\n", sc->synhw.capSleep); 4425 kprintf(" capFourButtons: %d\n", 4426 sc->synhw.capFourButtons); 4427 kprintf(" capMultiFinger: %d\n", 4428 sc->synhw.capMultiFinger); 4429 kprintf(" capPalmDetect: %d\n", 4430 sc->synhw.capPalmDetect); 4431 } 4432 4433 /* 4434 * If we have bits set in status[0] & 0x70, then we can load 4435 * more information about buttons using query 0x09. 4436 */ 4437 if (status[0] & 0x70) { 4438 if (mouse_ext_command(kbdc, 0x09) == 0) 4439 return (FALSE); 4440 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4441 return (FALSE); 4442 sc->hw.buttons = ((status[1] & 0xf0) >> 4) + 3; 4443 if (verbose >= 2) 4444 kprintf(" Additional Buttons: %d\n", 4445 sc->hw.buttons -3); 4446 } 4447 } else { 4448 sc->synhw.capExtended = 0; 4449 4450 if (verbose >= 2) 4451 kprintf(" No extended capabilities\n"); 4452 } 4453 4454 /* 4455 * Read the mode byte. 4456 * 4457 * XXX: Note the Synaptics documentation also defines the first 4458 * byte of the response to this query to be a constant 0x3b, this 4459 * does not appear to be true for Touchpads with guest devices. 4460 */ 4461 if (mouse_ext_command(kbdc, 1) == 0) 4462 return (FALSE); 4463 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4464 return (FALSE); 4465 if (status[1] != 0x47) { 4466 kprintf(" Failed to read mode byte\n"); 4467 return (FALSE); 4468 } 4469 4470 /* Set the mode byte; request wmode where available. */ 4471 if (sc->synhw.capExtended) 4472 mouse_ext_command(kbdc, 0xc1); 4473 else 4474 mouse_ext_command(kbdc, 0xc0); 4475 4476 /* "Commit" the Set Mode Byte command sent above. */ 4477 set_mouse_sampling_rate(kbdc, 20); 4478 4479 /* 4480 * Report the correct number of buttons 4481 * 4482 * XXX: I'm not sure this is used anywhere. 4483 */ 4484 if (sc->synhw.capExtended && sc->synhw.capFourButtons) 4485 sc->hw.buttons = 4; 4486 4487 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", 4488 sc->hw.buttons)); 4489 4490 /* Create sysctl tree. */ 4491 synaptics_sysctl_create_tree(sc); 4492 4493 /* 4494 * The touchpad will have to be reinitialized after 4495 * suspend/resume. 4496 */ 4497 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4498 4499 return (TRUE); 4500 } 4501 4502 /* Interlink electronics VersaPad */ 4503 static int 4504 enable_versapad(struct psm_softc *sc) 4505 { 4506 KBDC kbdc = sc->kbdc; 4507 int data[3]; 4508 4509 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 4510 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 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 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4515 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 4516 return (FALSE); 4517 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 4518 return (FALSE); 4519 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4520 4521 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4522 4523 return (TRUE); /* PS/2 absolute mode */ 4524 } 4525 4526 /* 4527 * Return true if 'now' is earlier than (start + (secs.usecs)). 4528 * Now may be NULL and the function will fetch the current time from 4529 * getmicrouptime(), or a cached 'now' can be passed in. 4530 * All values should be numbers derived from getmicrouptime(). 4531 */ 4532 static int 4533 timeelapsed(const struct timeval *start, int secs, int usecs, 4534 const struct timeval *now) 4535 { 4536 struct timeval snow, tv; 4537 4538 /* if there is no 'now' passed in, the get it as a convience. */ 4539 if (now == NULL) { 4540 getmicrouptime(&snow); 4541 now = &snow; 4542 } 4543 4544 tv.tv_sec = secs; 4545 tv.tv_usec = usecs; 4546 timevaladd(&tv, start); 4547 return (timevalcmp(&tv, now, <)); 4548 } 4549 4550 static int 4551 psmresume(device_t dev) 4552 { 4553 struct psm_softc *sc = device_get_softc(dev); 4554 int unit = device_get_unit(dev); 4555 int err; 4556 4557 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 4558 4559 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 4560 return (0); 4561 4562 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 4563 4564 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 4565 /* 4566 * Release the blocked process; it must be notified that 4567 * the device cannot be accessed anymore. 4568 */ 4569 sc->state &= ~PSM_ASLP; 4570 wakeup(sc); 4571 } 4572 4573 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 4574 4575 return (err); 4576 } 4577 4578 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, NULL, NULL); 4579 4580 4581 #if 0 4582 /* 4583 * This sucks up assignments from PNPBIOS and ACPI. 4584 */ 4585 4586 /* 4587 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 4588 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 4589 * can be probed and attached only after the AT keyboard controller is 4590 * attached, we shall quietly reserve the IRQ resource for later use. 4591 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 4592 * copy the IRQ resource to the PS/2 mouse device instance hanging 4593 * under the keyboard controller, then probe and attach it. 4594 */ 4595 4596 static devclass_t psmcpnp_devclass; 4597 4598 static device_probe_t psmcpnp_probe; 4599 static device_attach_t psmcpnp_attach; 4600 4601 static device_method_t psmcpnp_methods[] = { 4602 DEVMETHOD(device_probe, psmcpnp_probe), 4603 DEVMETHOD(device_attach, psmcpnp_attach), 4604 4605 { 0, 0 } 4606 }; 4607 4608 static driver_t psmcpnp_driver = { 4609 PSMCPNP_DRIVER_NAME, 4610 psmcpnp_methods, 4611 1, /* no softc */ 4612 }; 4613 4614 static struct isa_pnp_id psmcpnp_ids[] = { 4615 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 4616 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 4617 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 4618 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 4619 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 4620 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 4621 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 4622 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 4623 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 4624 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 4625 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 4626 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 4627 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 4628 { 0 } 4629 }; 4630 4631 static int 4632 create_a_copy(device_t atkbdc, device_t me) 4633 { 4634 device_t psm; 4635 u_long irq; 4636 4637 /* find the PS/2 mouse device instance under the keyboard controller */ 4638 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 4639 device_get_unit(atkbdc)); 4640 if (psm == NULL) 4641 return (ENXIO); 4642 if (device_get_state(psm) != DS_NOTPRESENT) 4643 return (0); 4644 4645 /* move our resource to the found device */ 4646 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 4647 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1, 4648 machintr_intr_cpuid(irq)); 4649 4650 /* ...then probe and attach it */ 4651 return (device_probe_and_attach(psm)); 4652 } 4653 4654 static int 4655 psmcpnp_probe(device_t dev) 4656 { 4657 struct resource *res; 4658 u_long irq; 4659 int rid; 4660 4661 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 4662 return (ENXIO); 4663 4664 /* 4665 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 4666 * to the PS/2 mouse device node. But, some buggy PnP BIOS 4667 * declares the PS/2 mouse device node without an IRQ resource! 4668 * If this happens, we shall refer to device hints. 4669 * If we still don't find it there, use a hardcoded value... XXX 4670 */ 4671 rid = 0; 4672 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 4673 if (irq <= 0) { 4674 if (resource_long_value(PSM_DRIVER_NAME, 4675 device_get_unit(dev),"irq", &irq) != 0) 4676 irq = 12; /* XXX */ 4677 device_printf(dev, "irq resource info is missing; " 4678 "assuming irq %ld\n", irq); 4679 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1, 4680 machintr_intr_cpuid(irq)); 4681 } 4682 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4683 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 4684 4685 /* keep quiet */ 4686 if (!bootverbose) 4687 device_quiet(dev); 4688 4689 return ((res == NULL) ? ENXIO : 0); 4690 } 4691 4692 static int 4693 psmcpnp_attach(device_t dev) 4694 { 4695 device_t atkbdc; 4696 int rid; 4697 4698 /* find the keyboard controller, which may be on acpi* or isa* bus */ 4699 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 4700 device_get_unit(dev)); 4701 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 4702 create_a_copy(atkbdc, dev); 4703 else { 4704 /* 4705 * If we don't have the AT keyboard controller yet, 4706 * just reserve the IRQ for later use... 4707 * (See psmidentify() above.) 4708 */ 4709 rid = 0; 4710 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4711 } 4712 4713 return (0); 4714 } 4715 4716 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, NULL, NULL); 4717 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, NULL, NULL); 4718 #endif 4719