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 #define SYNAPTICS_VERSION_GE(synhw, major, minor) \ 241 ((synhw).infoMajor > (major) || \ 242 ((synhw).infoMajor == (major) && (synhw).infoMinor >= (minor))) 243 244 typedef struct synapticsaction { 245 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 246 int queue_len; 247 int queue_cursor; 248 int window_min; 249 int start_x; 250 int start_y; 251 int avg_dx; 252 int avg_dy; 253 int squelch_x; 254 int squelch_y; 255 int fingers_nb; 256 int tap_button; 257 int in_taphold; 258 int in_vscroll; 259 } synapticsaction_t; 260 261 /* driver control block */ 262 struct psm_softc { /* Driver status information */ 263 int unit; 264 struct kqinfo rkq; /* Processes with registered kevents */ 265 u_char state; /* Mouse driver state */ 266 int config; /* driver configuration flags */ 267 int flags; /* other flags */ 268 KBDC kbdc; /* handle to access kbd controller */ 269 struct resource *intr; /* IRQ resource */ 270 void *ih; /* interrupt handle */ 271 mousehw_t hw; /* hardware information */ 272 synapticshw_t synhw; /* Synaptics hardware information */ 273 synapticsinfo_t syninfo; /* Synaptics configuration */ 274 synapticsaction_t synaction; /* Synaptics action context */ 275 mousemode_t mode; /* operation mode */ 276 mousemode_t dflt_mode; /* default operation mode */ 277 mousestatus_t status; /* accumulated mouse movement */ 278 ringbuf_t queue; /* mouse status queue */ 279 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 280 int pqueue_start; /* start of data in queue */ 281 int pqueue_end; /* end of data in queue */ 282 int button; /* the latest button state */ 283 int xold; /* previous absolute X position */ 284 int yold; /* previous absolute Y position */ 285 int xaverage; /* average X position */ 286 int yaverage; /* average Y position */ 287 int squelch; /* level to filter movement at low speed */ 288 int zmax; /* maximum pressure value for touchpads */ 289 int syncerrors; /* # of bytes discarded to synchronize */ 290 int pkterrors; /* # of packets failed during quaranteen. */ 291 struct timeval inputtimeout; 292 struct timeval lastsoftintr; /* time of last soft interrupt */ 293 struct timeval lastinputerr; /* time last sync error happened */ 294 struct timeval taptimeout; /* tap timeout for touchpads */ 295 int watchdog; /* watchdog timer flag */ 296 struct callout callout; /* watchdog timer call out */ 297 struct callout softcallout; /* buffer timer call out */ 298 struct cdev *dev; 299 struct cdev *bdev; 300 int lasterr; 301 int cmdcount; 302 }; 303 static devclass_t psm_devclass; 304 #define PSM_SOFTC(unit) ((struct psm_softc*)devclass_get_softc(psm_devclass, unit)) 305 306 /* driver state flags (state) */ 307 #define PSM_VALID 0x80 308 #define PSM_OPEN 1 /* Device is open */ 309 #define PSM_ASLP 2 /* Waiting for mouse data */ 310 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 311 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 312 313 /* driver configuration flags (config) */ 314 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 315 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 316 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 317 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 318 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 319 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 320 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 321 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 322 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 323 #define PSM_CONFIG_SYNCHACK 0x8000 /* enable `out-of-sync' hack */ 324 325 #define PSM_CONFIG_FLAGS \ 326 (PSM_CONFIG_RESOLUTION | \ 327 PSM_CONFIG_ACCEL | \ 328 PSM_CONFIG_NOCHECKSYNC | \ 329 PSM_CONFIG_SYNCHACK | \ 330 PSM_CONFIG_NOIDPROBE | \ 331 PSM_CONFIG_NORESET | \ 332 PSM_CONFIG_FORCETAP | \ 333 PSM_CONFIG_IGNPORTERROR | \ 334 PSM_CONFIG_HOOKRESUME | \ 335 PSM_CONFIG_INITAFTERSUSPEND) 336 337 /* other flags (flags) */ 338 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 339 340 /* Tunables */ 341 static int tap_enabled = -1; 342 TUNABLE_INT("hw.psm.tap_enabled", &tap_enabled); 343 344 static int synaptics_support = 0; 345 TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 346 347 static int verbose = PSM_DEBUG; 348 TUNABLE_INT("debug.psm.loglevel", &verbose); 349 350 /* for backward compatibility */ 351 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 352 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 353 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 354 355 typedef struct old_mousehw { 356 int buttons; 357 int iftype; 358 int type; 359 int hwid; 360 } old_mousehw_t; 361 362 typedef struct old_mousemode { 363 int protocol; 364 int rate; 365 int resolution; 366 int accelfactor; 367 } old_mousemode_t; 368 369 /* packet formatting function */ 370 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 371 mousestatus_t *); 372 373 /* function prototypes */ 374 static void psmidentify(driver_t *, device_t); 375 static int psmprobe(device_t); 376 static int psmattach(device_t); 377 static int psmdetach(device_t); 378 static int psmresume(device_t); 379 380 static d_open_t psmopen; 381 static d_close_t psmclose; 382 static d_read_t psmread; 383 static d_write_t psmwrite; 384 static d_ioctl_t psmioctl; 385 static d_kqfilter_t psmkqfilter; 386 387 static int enable_aux_dev(KBDC); 388 static int disable_aux_dev(KBDC); 389 static int get_mouse_status(KBDC, int *, int, int); 390 static int get_aux_id(KBDC); 391 static int set_mouse_sampling_rate(KBDC, int); 392 static int set_mouse_scaling(KBDC, int); 393 static int set_mouse_resolution(KBDC, int); 394 static int set_mouse_mode(KBDC); 395 static int get_mouse_buttons(KBDC); 396 static int is_a_mouse(int); 397 static void recover_from_error(KBDC); 398 static int restore_controller(KBDC, int); 399 static int doinitialize(struct psm_softc *, mousemode_t *); 400 static int doopen(struct psm_softc *, int); 401 static int reinitialize(struct psm_softc *, int); 402 static char *model_name(int); 403 static void psmsoftintr(void *); 404 static void psmintr(void *); 405 static void psmtimeout(void *); 406 static void psmfilter_detach(struct knote *); 407 static int psmfilter(struct knote *, long); 408 static int timeelapsed(const struct timeval *, int, int, 409 const struct timeval *); 410 static void dropqueue(struct psm_softc *); 411 static void flushpackets(struct psm_softc *); 412 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 413 mousestatus_t *, int *, int *, int *); 414 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 415 mousestatus_t *, int *, int *, int *); 416 static void proc_versapad(struct psm_softc *, packetbuf_t *, 417 mousestatus_t *, int *, int *, int *); 418 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 419 u_char *); 420 421 /* vendor specific features */ 422 typedef int probefunc_t(struct psm_softc *); 423 424 static int mouse_id_proc1(KBDC, int, int, int *); 425 static int mouse_ext_command(KBDC, int); 426 427 static probefunc_t enable_groller; 428 static probefunc_t enable_gmouse; 429 static probefunc_t enable_aglide; 430 static probefunc_t enable_kmouse; 431 static probefunc_t enable_msexplorer; 432 static probefunc_t enable_msintelli; 433 static probefunc_t enable_4dmouse; 434 static probefunc_t enable_4dplus; 435 static probefunc_t enable_mmanplus; 436 static probefunc_t enable_synaptics; 437 static probefunc_t enable_versapad; 438 439 static struct { 440 int model; 441 u_char syncmask; 442 int packetsize; 443 probefunc_t *probefunc; 444 } vendortype[] = { 445 /* 446 * WARNING: the order of probe is very important. Don't mess it 447 * unless you know what you are doing. 448 */ 449 { MOUSE_MODEL_NET, /* Genius NetMouse */ 450 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 451 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 452 0xc8, 6, enable_groller }, 453 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 454 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 455 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 456 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 457 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 458 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 459 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 460 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 461 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 462 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 463 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 464 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 465 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 466 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 467 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 468 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 469 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 470 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 471 { MOUSE_MODEL_GENERIC, 472 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 473 }; 474 #define GENERIC_MOUSE_ENTRY (NELEM(vendortype) - 1) 475 476 /* device driver declarateion */ 477 static device_method_t psm_methods[] = { 478 /* Device interface */ 479 DEVMETHOD(device_identify, psmidentify), 480 DEVMETHOD(device_probe, psmprobe), 481 DEVMETHOD(device_attach, psmattach), 482 DEVMETHOD(device_detach, psmdetach), 483 DEVMETHOD(device_resume, psmresume), 484 485 DEVMETHOD_END 486 }; 487 488 static driver_t psm_driver = { 489 PSM_DRIVER_NAME, 490 psm_methods, 491 sizeof(struct psm_softc), 492 }; 493 494 static struct dev_ops psm_ops = { 495 { PSM_DRIVER_NAME, 0, 0 }, 496 .d_open = psmopen, 497 .d_close = psmclose, 498 .d_read = psmread, 499 .d_write = psmwrite, 500 .d_ioctl = psmioctl, 501 .d_kqfilter = psmkqfilter 502 }; 503 504 /* device I/O routines */ 505 static int 506 enable_aux_dev(KBDC kbdc) 507 { 508 int res; 509 510 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 511 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 512 513 return (res == PSM_ACK); 514 } 515 516 static int 517 disable_aux_dev(KBDC kbdc) 518 { 519 int res; 520 521 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 522 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 523 524 return (res == PSM_ACK); 525 } 526 527 static int 528 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 529 { 530 int cmd; 531 int res; 532 int i; 533 534 switch (flag) { 535 case 0: 536 default: 537 cmd = PSMC_SEND_DEV_STATUS; 538 break; 539 case 1: 540 cmd = PSMC_SEND_DEV_DATA; 541 break; 542 } 543 empty_aux_buffer(kbdc, 5); 544 res = send_aux_command(kbdc, cmd); 545 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 546 (flag == 1) ? "DATA" : "STATUS", res)); 547 if (res != PSM_ACK) 548 return (0); 549 550 for (i = 0; i < len; ++i) { 551 status[i] = read_aux_data(kbdc); 552 if (status[i] < 0) 553 break; 554 } 555 556 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 557 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 558 559 return (i); 560 } 561 562 static int 563 get_aux_id(KBDC kbdc) 564 { 565 int res; 566 int id; 567 568 empty_aux_buffer(kbdc, 5); 569 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 570 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 571 if (res != PSM_ACK) 572 return (-1); 573 574 /* 10ms delay */ 575 DRIVERSLEEP(10000); 576 577 id = read_aux_data(kbdc); 578 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 579 580 return (id); 581 } 582 583 static int 584 set_mouse_sampling_rate(KBDC kbdc, int rate) 585 { 586 int res; 587 588 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 589 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 590 591 return ((res == PSM_ACK) ? rate : -1); 592 } 593 594 static int 595 set_mouse_scaling(KBDC kbdc, int scale) 596 { 597 int res; 598 599 switch (scale) { 600 case 1: 601 default: 602 scale = PSMC_SET_SCALING11; 603 break; 604 case 2: 605 scale = PSMC_SET_SCALING21; 606 break; 607 } 608 res = send_aux_command(kbdc, scale); 609 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 610 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 611 612 return (res == PSM_ACK); 613 } 614 615 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 616 static int 617 set_mouse_resolution(KBDC kbdc, int val) 618 { 619 int res; 620 621 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 622 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 623 624 return ((res == PSM_ACK) ? val : -1); 625 } 626 627 /* 628 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 629 * re-enabled by calling `enable_aux_dev()' 630 */ 631 static int 632 set_mouse_mode(KBDC kbdc) 633 { 634 int res; 635 636 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 637 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 638 639 return (res == PSM_ACK); 640 } 641 642 static int 643 get_mouse_buttons(KBDC kbdc) 644 { 645 int c = 2; /* assume two buttons by default */ 646 int status[3]; 647 648 /* 649 * NOTE: a special sequence to obtain Logitech Mouse specific 650 * information: set resolution to 25 ppi, set scaling to 1:1, set 651 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 652 * mouse status bytes is the number of available buttons. 653 * Some manufactures also support this sequence. 654 */ 655 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 656 return (c); 657 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 658 set_mouse_scaling(kbdc, 1) && 659 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 660 return (status[1]); 661 return (c); 662 } 663 664 /* misc subroutines */ 665 /* 666 * Someday, I will get the complete list of valid pointing devices and 667 * their IDs... XXX 668 */ 669 static int 670 is_a_mouse(int id) 671 { 672 #if 0 673 static int valid_ids[] = { 674 PSM_MOUSE_ID, /* mouse */ 675 PSM_BALLPOINT_ID, /* ballpoint device */ 676 PSM_INTELLI_ID, /* Intellimouse */ 677 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 678 -1 /* end of table */ 679 }; 680 int i; 681 682 for (i = 0; valid_ids[i] >= 0; ++i) 683 if (valid_ids[i] == id) 684 return (TRUE); 685 return (FALSE); 686 #else 687 return (TRUE); 688 #endif 689 } 690 691 static char * 692 model_name(int model) 693 { 694 static struct { 695 int model_code; 696 char *model_name; 697 } models[] = { 698 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 699 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 700 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 701 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 702 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 703 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 704 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 705 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 706 { MOUSE_MODEL_4D, "4D Mouse" }, 707 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 708 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 709 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 710 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 711 }; 712 int i; 713 714 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 715 if (models[i].model_code == model) 716 break; 717 return (models[i].model_name); 718 } 719 720 static void 721 recover_from_error(KBDC kbdc) 722 { 723 /* discard anything left in the output buffer */ 724 empty_both_buffers(kbdc, 10); 725 726 #if 0 727 /* 728 * NOTE: KBDC_RESET_KBD may not restore the communication between the 729 * keyboard and the controller. 730 */ 731 reset_kbd(kbdc); 732 #else 733 /* 734 * NOTE: somehow diagnostic and keyboard port test commands bring the 735 * keyboard back. 736 */ 737 if (!test_controller(kbdc)) 738 log(LOG_ERR, "psm: keyboard controller failed.\n"); 739 /* if there isn't a keyboard in the system, the following error is OK */ 740 if (test_kbd_port(kbdc) != 0) 741 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 742 #endif 743 } 744 745 static int 746 restore_controller(KBDC kbdc, int command_byte) 747 { 748 empty_both_buffers(kbdc, 10); 749 750 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 751 log(LOG_ERR, "psm: failed to restore the keyboard controller " 752 "command byte.\n"); 753 empty_both_buffers(kbdc, 10); 754 return (FALSE); 755 } else { 756 empty_both_buffers(kbdc, 10); 757 return (TRUE); 758 } 759 } 760 761 /* 762 * Re-initialize the aux port and device. The aux port must be enabled 763 * and its interrupt must be disabled before calling this routine. 764 * The aux device will be disabled before returning. 765 * The keyboard controller must be locked via `kbdc_lock()' before 766 * calling this routine. 767 */ 768 static int 769 doinitialize(struct psm_softc *sc, mousemode_t *mode) 770 { 771 KBDC kbdc = sc->kbdc; 772 int stat[3]; 773 int i; 774 775 switch((i = test_aux_port(kbdc))) { 776 case 1: /* ignore these errors */ 777 case 2: 778 case 3: 779 case PSM_ACK: 780 if (verbose) 781 log(LOG_DEBUG, 782 "psm%d: strange result for test aux port (%d).\n", 783 sc->unit, i); 784 /* FALLTHROUGH */ 785 case 0: /* no error */ 786 break; 787 case -1: /* time out */ 788 default: /* error */ 789 recover_from_error(kbdc); 790 if (sc->config & PSM_CONFIG_IGNPORTERROR) 791 break; 792 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 793 sc->unit, i); 794 return (FALSE); 795 } 796 797 if (sc->config & PSM_CONFIG_NORESET) { 798 /* 799 * Don't try to reset the pointing device. It may possibly 800 * be left in the unknown state, though... 801 */ 802 } else { 803 /* 804 * NOTE: some controllers appears to hang the `keyboard' when 805 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 806 */ 807 if (!reset_aux_dev(kbdc)) { 808 recover_from_error(kbdc); 809 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 810 sc->unit); 811 return (FALSE); 812 } 813 } 814 815 /* 816 * both the aux port and the aux device is functioning, see 817 * if the device can be enabled. 818 */ 819 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 820 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 821 sc->unit); 822 return (FALSE); 823 } 824 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 825 826 if (sc->config & PSM_CONFIG_NOIDPROBE) 827 i = GENERIC_MOUSE_ENTRY; 828 else { 829 /* FIXME: hardware ID, mouse buttons? */ 830 831 /* other parameters */ 832 for (i = 0; vendortype[i].probefunc != NULL; ++i) 833 if ((*vendortype[i].probefunc)(sc)) { 834 if (verbose >= 2) 835 log(LOG_ERR, "psm%d: found %s\n", 836 sc->unit, 837 model_name(vendortype[i].model)); 838 break; 839 } 840 } 841 842 sc->hw.model = vendortype[i].model; 843 sc->mode.packetsize = vendortype[i].packetsize; 844 845 /* set mouse parameters */ 846 if (mode != NULL) { 847 if (mode->rate > 0) 848 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 849 if (mode->resolution >= 0) 850 mode->resolution = 851 set_mouse_resolution(kbdc, mode->resolution); 852 set_mouse_scaling(kbdc, 1); 853 set_mouse_mode(kbdc); 854 } 855 856 /* Record sync on the next data packet we see. */ 857 sc->flags |= PSM_NEED_SYNCBITS; 858 859 /* just check the status of the mouse */ 860 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 861 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 862 sc->unit); 863 864 return (TRUE); 865 } 866 867 static int 868 doopen(struct psm_softc *sc, int command_byte) 869 { 870 int stat[3]; 871 872 /* 873 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 874 * no obvious reason. Thus we check the current mode and restore the 875 * Absolute Mode if it was cleared. 876 * 877 * The previous hack at the end of psmprobe() wasn't efficient when 878 * moused(8) was restarted. 879 * 880 * A Reset (FF) or Set Defaults (F6) command would clear the 881 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 882 * doesn't show any evidence of such a command. 883 */ 884 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 885 mouse_ext_command(sc->kbdc, 1); 886 get_mouse_status(sc->kbdc, stat, 0, 3); 887 if ((SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) || stat[1] == 0x47) 888 && stat[2] == 0x40) { 889 /* Set the mode byte -- request wmode where 890 * available */ 891 if (sc->synhw.capExtended) 892 mouse_ext_command(sc->kbdc, 0xc1); 893 else 894 mouse_ext_command(sc->kbdc, 0xc0); 895 set_mouse_sampling_rate(sc->kbdc, 20); 896 VLOG(5, (LOG_DEBUG, "psm%d: Synaptics Absolute Mode " 897 "hopefully restored\n", 898 sc->unit)); 899 } 900 } 901 902 /* 903 * A user may want to disable tap and drag gestures on a Synaptics 904 * TouchPad when it operates in Relative Mode. 905 */ 906 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 907 if (tap_enabled > 0) { 908 /* 909 * Enable tap & drag gestures. We use a Mode Byte 910 * and clear the DisGest bit (see §2.5 of Synaptics 911 * TouchPad Interfacing Guide). 912 */ 913 VLOG(2, (LOG_DEBUG, 914 "psm%d: enable tap and drag gestures\n", 915 sc->unit)); 916 mouse_ext_command(sc->kbdc, 0x00); 917 set_mouse_sampling_rate(sc->kbdc, 20); 918 } else if (tap_enabled == 0) { 919 /* 920 * Disable tap & drag gestures. We use a Mode Byte 921 * and set the DisGest bit (see §2.5 of Synaptics 922 * TouchPad Interfacing Guide). 923 */ 924 VLOG(2, (LOG_DEBUG, 925 "psm%d: disable tap and drag gestures\n", 926 sc->unit)); 927 mouse_ext_command(sc->kbdc, 0x04); 928 set_mouse_sampling_rate(sc->kbdc, 20); 929 } 930 } 931 932 /* enable the mouse device */ 933 if (!enable_aux_dev(sc->kbdc)) { 934 /* MOUSE ERROR: failed to enable the mouse because: 935 * 1) the mouse is faulty, 936 * 2) the mouse has been removed(!?) 937 * In the latter case, the keyboard may have hung, and need 938 * recovery procedure... 939 */ 940 recover_from_error(sc->kbdc); 941 #if 0 942 /* FIXME: we could reset the mouse here and try to enable 943 * it again. But it will take long time and it's not a good 944 * idea to disable the keyboard that long... 945 */ 946 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 947 recover_from_error(sc->kbdc); 948 #else 949 { 950 #endif 951 restore_controller(sc->kbdc, command_byte); 952 /* mark this device is no longer available */ 953 sc->state &= ~PSM_VALID; 954 log(LOG_ERR, 955 "psm%d: failed to enable the device (doopen).\n", 956 sc->unit); 957 return (EIO); 958 } 959 } 960 961 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 962 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 963 sc->unit); 964 965 /* enable the aux port and interrupt */ 966 if (!set_controller_command_byte(sc->kbdc, 967 KBD_AUX_CONTROL_BITS, 968 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 969 /* CONTROLLER ERROR */ 970 disable_aux_dev(sc->kbdc); 971 restore_controller(sc->kbdc, command_byte); 972 log(LOG_ERR, 973 "psm%d: failed to enable the aux interrupt (doopen).\n", 974 sc->unit); 975 return (EIO); 976 } 977 978 /* start the watchdog timer */ 979 sc->watchdog = FALSE; 980 callout_reset(&sc->callout, hz * 2, psmtimeout, (void *)(uintptr_t)sc); 981 982 return (0); 983 } 984 985 static int 986 reinitialize(struct psm_softc *sc, int doinit) 987 { 988 int err; 989 int c; 990 991 /* don't let anybody mess with the aux device */ 992 if (!kbdc_lock(sc->kbdc, TRUE)) 993 return (EIO); 994 995 crit_enter(); 996 997 /* block our watchdog timer */ 998 sc->watchdog = FALSE; 999 callout_stop(&sc->callout); 1000 1001 /* save the current controller command byte */ 1002 empty_both_buffers(sc->kbdc, 10); 1003 c = get_controller_command_byte(sc->kbdc); 1004 VLOG(2, (LOG_DEBUG, 1005 "psm%d: current command byte: %04x (reinitialize).\n", 1006 sc->unit, c)); 1007 1008 /* enable the aux port but disable the aux interrupt and the keyboard */ 1009 if ((c == -1) || 1010 !set_controller_command_byte(sc->kbdc, 1011 KBD_AUX_CONTROL_BITS, 1012 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1013 /* CONTROLLER ERROR */ 1014 crit_exit(); 1015 kbdc_lock(sc->kbdc, FALSE); 1016 log(LOG_ERR, 1017 "psm%d: unable to set the command byte (reinitialize).\n", 1018 sc->unit); 1019 return (EIO); 1020 } 1021 1022 /* flush any data */ 1023 if (sc->state & PSM_VALID) { 1024 /* this may fail; but never mind... */ 1025 disable_aux_dev(sc->kbdc); 1026 empty_aux_buffer(sc->kbdc, 10); 1027 } 1028 flushpackets(sc); 1029 sc->syncerrors = 0; 1030 sc->pkterrors = 0; 1031 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1032 1033 /* try to detect the aux device; are you still there? */ 1034 err = 0; 1035 if (doinit) { 1036 if (doinitialize(sc, &sc->mode)) { 1037 /* yes */ 1038 sc->state |= PSM_VALID; 1039 } else { 1040 /* the device has gone! */ 1041 restore_controller(sc->kbdc, c); 1042 sc->state &= ~PSM_VALID; 1043 log(LOG_ERR, 1044 "psm%d: the aux device has gone! (reinitialize).\n", 1045 sc->unit); 1046 err = ENXIO; 1047 } 1048 } 1049 crit_exit(); 1050 1051 /* restore the driver state */ 1052 if ((sc->state & PSM_OPEN) && (err == 0)) { 1053 /* enable the aux device and the port again */ 1054 err = doopen(sc, c); 1055 if (err != 0) 1056 log(LOG_ERR, "psm%d: failed to enable the device " 1057 "(reinitialize).\n", sc->unit); 1058 } else { 1059 /* restore the keyboard port and disable the aux port */ 1060 if (!set_controller_command_byte(sc->kbdc, 1061 KBD_AUX_CONTROL_BITS, 1062 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1063 /* CONTROLLER ERROR */ 1064 log(LOG_ERR, "psm%d: failed to disable the aux port " 1065 "(reinitialize).\n", sc->unit); 1066 err = EIO; 1067 } 1068 } 1069 1070 kbdc_lock(sc->kbdc, FALSE); 1071 return (err); 1072 } 1073 1074 /* psm driver entry points */ 1075 1076 static void 1077 psmidentify(driver_t *driver, device_t parent) 1078 { 1079 device_t psmc; 1080 device_t psm; 1081 u_long irq; 1082 int unit; 1083 1084 unit = device_get_unit(parent); 1085 1086 /* always add at least one child */ 1087 psm = BUS_ADD_CHILD(parent, parent, KBDC_RID_AUX, driver->name, unit); 1088 if (psm == NULL) 1089 return; 1090 1091 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1092 if (irq > 0) 1093 return; 1094 1095 /* 1096 * If the PS/2 mouse device has already been reported by ACPI or 1097 * PnP BIOS, obtain the IRQ resource from it. 1098 * (See psmcpnp_attach() below.) 1099 */ 1100 psmc = device_find_child(device_get_parent(parent), 1101 PSMCPNP_DRIVER_NAME, unit); 1102 if (psmc == NULL) 1103 return; 1104 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1105 if (irq <= 0) 1106 return; 1107 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1, 1108 machintr_legacy_intr_cpuid(irq)); 1109 } 1110 1111 #define endprobe(v) do { \ 1112 if (bootverbose) \ 1113 --verbose; \ 1114 set_controller_command_byte(sc->kbdc, \ 1115 KBD_AUX_CONTROL_BITS, KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT); \ 1116 kbdc_lock(sc->kbdc, FALSE); \ 1117 return (v); \ 1118 } while (0) 1119 1120 static int 1121 psmprobe(device_t dev) 1122 { 1123 int unit = device_get_unit(dev); 1124 struct psm_softc *sc = device_get_softc(dev); 1125 uintptr_t irq; 1126 uintptr_t flags; 1127 int stat[3]; 1128 int command_byte; 1129 int i; 1130 1131 #if 0 1132 kbdc_debug(TRUE); 1133 #endif 1134 1135 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 1136 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 1137 1138 sc->unit = unit; 1139 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1140 sc->config = flags & PSM_CONFIG_FLAGS; 1141 /* XXX: for backward compatibility */ 1142 #if defined(PSM_HOOKRESUME) 1143 sc->config |= 1144 #ifdef PSM_RESETAFTERSUSPEND 1145 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 1146 #else 1147 PSM_CONFIG_HOOKRESUME; 1148 #endif 1149 #endif /* PSM_HOOKRESUME */ 1150 sc->flags = 0; 1151 if (bootverbose) 1152 ++verbose; 1153 1154 device_set_desc(dev, "PS/2 Mouse"); 1155 1156 if (!kbdc_lock(sc->kbdc, TRUE)) { 1157 kprintf("psm%d: unable to lock the controller.\n", unit); 1158 if (bootverbose) 1159 --verbose; 1160 return (ENXIO); 1161 } 1162 1163 /* 1164 * NOTE: two bits in the command byte controls the operation of the 1165 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1166 * port interrupt (IRQ 12) enable bit (bit 2). 1167 */ 1168 1169 /* discard anything left after the keyboard initialization */ 1170 empty_both_buffers(sc->kbdc, 10); 1171 1172 /* save the current command byte; it will be used later */ 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 " 1180 "command byte value.\n", 1181 unit); 1182 endprobe(ENXIO); 1183 } 1184 1185 /* 1186 * NOTE: We cannot mess with the keyboard port, do NOT disable it 1187 * while we are probing the aux port during this routine. 1188 * Disabling the keyboard port will break some things 1189 * (Acer c720)... probably related to BIOS emulation of the 1190 * i8042. 1191 */ 1192 if (!set_controller_command_byte(sc->kbdc, 1193 KBD_AUX_CONTROL_BITS, KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1194 /* 1195 * this is CONTROLLER ERROR; I don't know how to recover 1196 * from this error... 1197 */ 1198 kprintf("psm%d: unable to set the command byte.\n", unit); 1199 endprobe(ENXIO); 1200 } 1201 1202 /* 1203 * NOTE: Linux doesn't send discrete aux port enablement commands, 1204 * it is unclear whether this is needed or helps or hinders 1205 * bios emulators. 1206 */ 1207 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1208 1209 /* 1210 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1211 * port exists and is functioning. However, some controllers appears 1212 * to respond with zero even when the aux port doesn't exist. (It may 1213 * be that this is only the case when the controller DOES have the aux 1214 * port but the port is not wired on the motherboard.) The keyboard 1215 * controllers without the port, such as the original AT, are 1216 * supporsed to return with an error code or simply time out. In any 1217 * case, we have to continue probing the port even when the controller 1218 * passes this test. 1219 * 1220 * XXX: some controllers erroneously return the error code 1, 2 or 3 1221 * when it has the perfectly functional aux port. We have to ignore 1222 * this error code. Even if the controller HAS error with the aux 1223 * port, it will be detected later... 1224 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1225 */ 1226 switch ((i = test_aux_port(sc->kbdc))) { 1227 case 1: /* ignore these errors */ 1228 case 2: 1229 case 3: 1230 case PSM_ACK: 1231 if (verbose) 1232 kprintf("psm%d: strange result for test aux port " 1233 "(%d).\n", unit, i); 1234 /* FALLTHROUGH */ 1235 case 0: /* no error */ 1236 break; 1237 case -1: /* time out */ 1238 default: /* error */ 1239 recover_from_error(sc->kbdc); 1240 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1241 break; 1242 if (verbose) 1243 kprintf("psm%d: the aux port is not " 1244 "functioning (%d).\n", 1245 unit, i); 1246 endprobe(ENXIO); 1247 } 1248 1249 if (sc->config & PSM_CONFIG_NORESET) { 1250 /* 1251 * Don't try to reset the pointing device. It may possibly be 1252 * left in the unknown state, though... 1253 */ 1254 } else { 1255 /* 1256 * NOTE: some controllers appears to hang the `keyboard' when 1257 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1258 * 1259 * Attempt to reset the controller twice -- this helps 1260 * pierce through some KVM switches. The second reset 1261 * is non-fatal. 1262 */ 1263 if (!reset_aux_dev(sc->kbdc)) { 1264 recover_from_error(sc->kbdc); 1265 if (verbose) 1266 kprintf("psm%d: failed to reset the aux " 1267 "device.\n", unit); 1268 endprobe(ENXIO); 1269 } else if (!reset_aux_dev(sc->kbdc)) { 1270 recover_from_error(sc->kbdc); 1271 if (verbose >= 2) 1272 kprintf("psm%d: failed to reset the aux device " 1273 "(2).\n", unit); 1274 } 1275 } 1276 1277 /* 1278 * both the aux port and the aux device is functioning, see if the 1279 * device can be enabled. NOTE: when enabled, the device will start 1280 * sending data; we shall immediately disable the device once we know 1281 * the device can be enabled. 1282 */ 1283 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1284 /* MOUSE ERROR */ 1285 recover_from_error(sc->kbdc); 1286 if (verbose) 1287 kprintf("psm%d: failed to enable the aux device.\n", 1288 unit); 1289 endprobe(ENXIO); 1290 } 1291 1292 /* save the default values after reset */ 1293 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1294 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1295 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1296 } else { 1297 sc->dflt_mode.rate = sc->mode.rate = -1; 1298 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1299 } 1300 1301 /* hardware information */ 1302 sc->hw.iftype = MOUSE_IF_PS2; 1303 1304 /* verify the device is a mouse */ 1305 sc->hw.hwid = get_aux_id(sc->kbdc); 1306 if (!is_a_mouse(sc->hw.hwid)) { 1307 if (verbose) 1308 kprintf("psm%d: unknown device type (%d).\n", unit, 1309 sc->hw.hwid); 1310 endprobe(ENXIO); 1311 } 1312 switch (sc->hw.hwid) { 1313 case PSM_BALLPOINT_ID: 1314 sc->hw.type = MOUSE_TRACKBALL; 1315 break; 1316 case PSM_MOUSE_ID: 1317 case PSM_INTELLI_ID: 1318 case PSM_EXPLORER_ID: 1319 case PSM_4DMOUSE_ID: 1320 case PSM_4DPLUS_ID: 1321 sc->hw.type = MOUSE_MOUSE; 1322 break; 1323 default: 1324 sc->hw.type = MOUSE_UNKNOWN; 1325 break; 1326 } 1327 1328 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1329 sc->hw.buttons = 2; 1330 i = GENERIC_MOUSE_ENTRY; 1331 } else { 1332 /* # of buttons */ 1333 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1334 1335 /* other parameters */ 1336 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1337 if ((*vendortype[i].probefunc)(sc)) { 1338 if (verbose >= 2) 1339 kprintf("psm%d: found %s\n", unit, 1340 model_name(vendortype[i].model)); 1341 break; 1342 } 1343 } 1344 1345 sc->hw.model = vendortype[i].model; 1346 1347 sc->dflt_mode.level = PSM_LEVEL_BASE; 1348 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1349 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1350 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1351 sc->dflt_mode.syncmask[0] = 0; 1352 else 1353 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1354 if (sc->config & PSM_CONFIG_FORCETAP) 1355 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1356 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1357 sc->mode = sc->dflt_mode; 1358 sc->mode.packetsize = vendortype[i].packetsize; 1359 1360 /* set mouse parameters */ 1361 #if 0 1362 /* 1363 * A version of Logitech FirstMouse+ won't report wheel movement, 1364 * if SET_DEFAULTS is sent... Don't use this command. 1365 * This fix was found by Takashi Nishida. 1366 */ 1367 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1368 if (verbose >= 2) 1369 kprintf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1370 #endif 1371 if (sc->config & PSM_CONFIG_RESOLUTION) 1372 sc->mode.resolution = 1373 set_mouse_resolution(sc->kbdc, 1374 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1375 else if (sc->mode.resolution >= 0) 1376 sc->mode.resolution = 1377 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1378 if (sc->mode.rate > 0) 1379 sc->mode.rate = 1380 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1381 set_mouse_scaling(sc->kbdc, 1); 1382 1383 /* Record sync on the next data packet we see. */ 1384 sc->flags |= PSM_NEED_SYNCBITS; 1385 1386 /* just check the status of the mouse */ 1387 /* 1388 * NOTE: XXX there are some arcane controller/mouse combinations out 1389 * there, which hung the controller unless there is data transmission 1390 * after ACK from the mouse. 1391 */ 1392 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1393 kprintf("psm%d: failed to get status.\n", unit); 1394 else { 1395 /* 1396 * When in its native mode, some mice operate with different 1397 * default parameters than in the PS/2 compatible mode. 1398 */ 1399 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1400 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1401 } 1402 1403 /* disable the aux port for now... */ 1404 if (!set_controller_command_byte(sc->kbdc, 1405 KBD_AUX_CONTROL_BITS, KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1406 /* 1407 * this is CONTROLLER ERROR; I don't know the proper way to 1408 * recover from this error... 1409 */ 1410 kprintf("psm%d: unable to set the command byte.\n", unit); 1411 endprobe(ENXIO); 1412 } 1413 1414 /* done */ 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, 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 1519 /* flush the event queue */ 1520 sc->queue.count = 0; 1521 sc->queue.head = 0; 1522 sc->queue.tail = 0; 1523 sc->status.flags = 0; 1524 sc->status.button = 0; 1525 sc->status.obutton = 0; 1526 sc->status.dx = 0; 1527 sc->status.dy = 0; 1528 sc->status.dz = 0; 1529 sc->button = 0; 1530 sc->pqueue_start = 0; 1531 sc->pqueue_end = 0; 1532 1533 /* empty input buffer */ 1534 flushpackets(sc); 1535 sc->syncerrors = 0; 1536 sc->pkterrors = 0; 1537 1538 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1539 if (!kbdc_lock(sc->kbdc, TRUE)) 1540 return (EIO); 1541 1542 /* save the current controller command byte */ 1543 crit_enter(); 1544 command_byte = get_controller_command_byte(sc->kbdc); 1545 1546 /* enable the aux port and temporalily disable the keyboard */ 1547 if (command_byte == -1 || 1548 !set_controller_command_byte(sc->kbdc, 1549 KBD_AUX_CONTROL_BITS, 1550 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1551 /* CONTROLLER ERROR; do you know how to get out of this? */ 1552 kbdc_lock(sc->kbdc, FALSE); 1553 crit_exit(); 1554 log(LOG_ERR, 1555 "psm%d: unable to set the command byte (psmopen).\n", 1556 sc->unit); 1557 return (EIO); 1558 } 1559 /* 1560 * Now that the keyboard controller is told not to generate 1561 * the keyboard and mouse interrupts, call `splx()' to allow 1562 * the other tty interrupts. The clock interrupt may also occur, 1563 * but timeout routines will be blocked by the poll flag set 1564 * via `kbdc_lock()' 1565 */ 1566 crit_exit(); 1567 1568 /* enable the mouse device */ 1569 err = doopen(sc, command_byte); 1570 1571 /* done */ 1572 if (err == 0) 1573 sc->state |= PSM_OPEN; 1574 kbdc_lock(sc->kbdc, FALSE); 1575 return (err); 1576 } 1577 1578 static int 1579 psmclose(struct dev_close_args *ap) 1580 { 1581 cdev_t dev = ap->a_head.a_dev; 1582 int unit = PSM_UNIT(dev); 1583 struct psm_softc *sc = PSM_SOFTC(unit); 1584 int stat[3]; 1585 int command_byte; 1586 1587 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1588 if (!kbdc_lock(sc->kbdc, TRUE)) 1589 return (EIO); 1590 1591 /* save the current controller command byte */ 1592 crit_enter(); 1593 command_byte = get_controller_command_byte(sc->kbdc); 1594 if (command_byte == -1) { 1595 kbdc_lock(sc->kbdc, FALSE); 1596 crit_exit(); 1597 return (EIO); 1598 } 1599 1600 /* disable the aux interrupt and temporalily disable the keyboard */ 1601 if (!set_controller_command_byte(sc->kbdc, 1602 KBD_AUX_CONTROL_BITS, 1603 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1604 log(LOG_ERR, 1605 "psm%d: failed to disable the aux int (psmclose).\n", 1606 sc->unit); 1607 /* CONTROLLER ERROR; 1608 * NOTE: we shall force our way through. Because the only 1609 * ill effect we shall see is that we may not be able 1610 * to read ACK from the mouse, and it doesn't matter much 1611 * so long as the mouse will accept the DISABLE command. 1612 */ 1613 } 1614 crit_exit(); 1615 1616 /* stop the watchdog timer */ 1617 callout_stop(&sc->callout); 1618 1619 /* remove anything left in the output buffer */ 1620 empty_aux_buffer(sc->kbdc, 10); 1621 1622 /* disable the aux device, port and interrupt */ 1623 if (sc->state & PSM_VALID) { 1624 if (!disable_aux_dev(sc->kbdc)) { 1625 /* MOUSE ERROR; 1626 * NOTE: we don't return (error) and continue, 1627 * pretending we have successfully disabled the device. 1628 * It's OK because the interrupt routine will discard 1629 * any data from the mouse hereafter. 1630 */ 1631 log(LOG_ERR, 1632 "psm%d: failed to disable the device (psmclose).\n", 1633 sc->unit); 1634 } 1635 1636 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1637 log(LOG_DEBUG, 1638 "psm%d: failed to get status (psmclose).\n", 1639 sc->unit); 1640 } 1641 1642 if (!set_controller_command_byte(sc->kbdc, 1643 KBD_AUX_CONTROL_BITS, KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1644 /* 1645 * CONTROLLER ERROR; 1646 * we shall ignore this error; see the above comment. 1647 */ 1648 log(LOG_ERR, 1649 "psm%d: failed to disable the aux port (psmclose).\n", 1650 sc->unit); 1651 } 1652 1653 /* remove anything left in the output buffer */ 1654 empty_aux_buffer(sc->kbdc, 10); 1655 1656 /* close is almost always successful */ 1657 sc->state &= ~PSM_OPEN; 1658 kbdc_lock(sc->kbdc, FALSE); 1659 #if 0 1660 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 1661 #endif 1662 return (0); 1663 } 1664 1665 static int 1666 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1667 u_char *buf) 1668 { 1669 static u_char butmapps2[8] = { 1670 0, 1671 MOUSE_PS2_BUTTON1DOWN, 1672 MOUSE_PS2_BUTTON2DOWN, 1673 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1674 MOUSE_PS2_BUTTON3DOWN, 1675 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1676 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1677 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1678 MOUSE_PS2_BUTTON3DOWN, 1679 }; 1680 static u_char butmapmsc[8] = { 1681 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1682 MOUSE_MSC_BUTTON3UP, 1683 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1684 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1685 MOUSE_MSC_BUTTON3UP, 1686 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1687 MOUSE_MSC_BUTTON2UP, 1688 MOUSE_MSC_BUTTON1UP, 1689 0, 1690 }; 1691 int mapped; 1692 int i; 1693 1694 if (sc->mode.level == PSM_LEVEL_BASE) { 1695 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1696 if (status->button & MOUSE_BUTTON4DOWN) 1697 mapped |= MOUSE_BUTTON1DOWN; 1698 status->button = mapped; 1699 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1700 i = imax(imin(status->dx, 255), -256); 1701 if (i < 0) 1702 buf[0] |= MOUSE_PS2_XNEG; 1703 buf[1] = i; 1704 i = imax(imin(status->dy, 255), -256); 1705 if (i < 0) 1706 buf[0] |= MOUSE_PS2_YNEG; 1707 buf[2] = i; 1708 return (MOUSE_PS2_PACKETSIZE); 1709 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1710 buf[0] = MOUSE_MSC_SYNC | 1711 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1712 i = imax(imin(status->dx, 255), -256); 1713 buf[1] = i >> 1; 1714 buf[3] = i - buf[1]; 1715 i = imax(imin(status->dy, 255), -256); 1716 buf[2] = i >> 1; 1717 buf[4] = i - buf[2]; 1718 i = imax(imin(status->dz, 127), -128); 1719 buf[5] = (i >> 1) & 0x7f; 1720 buf[6] = (i - (i >> 1)) & 0x7f; 1721 buf[7] = (~status->button >> 3) & 0x7f; 1722 return (MOUSE_SYS_PACKETSIZE); 1723 } 1724 return (pb->inputbytes); 1725 } 1726 1727 static int 1728 psmread(struct dev_read_args *ap) 1729 { 1730 cdev_t dev = ap->a_head.a_dev; 1731 struct uio *uio = ap->a_uio; 1732 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1733 u_char buf[PSM_SMALLBUFSIZE]; 1734 int error = 0; 1735 int l; 1736 1737 if ((sc->state & PSM_VALID) == 0) 1738 return (EIO); 1739 1740 /* block until mouse activity occured */ 1741 crit_enter(); 1742 while (sc->queue.count <= 0) { 1743 if (dev != sc->bdev) { 1744 crit_exit(); 1745 return (EWOULDBLOCK); 1746 } 1747 sc->state |= PSM_ASLP; 1748 error = tsleep((caddr_t) sc, PCATCH, "psmrea", 0); 1749 sc->state &= ~PSM_ASLP; 1750 if (error) { 1751 crit_exit(); 1752 return (error); 1753 } else if ((sc->state & PSM_VALID) == 0) { 1754 /* the device disappeared! */ 1755 crit_exit(); 1756 return (EIO); 1757 } 1758 } 1759 crit_exit(); 1760 1761 /* copy data to the user land */ 1762 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1763 crit_enter(); 1764 l = imin(sc->queue.count, uio->uio_resid); 1765 if (l > sizeof(buf)) 1766 l = sizeof(buf); 1767 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1768 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1769 sizeof(sc->queue.buf) - sc->queue.head); 1770 bcopy(&sc->queue.buf[0], 1771 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1772 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1773 } else 1774 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1775 sc->queue.count -= l; 1776 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1777 crit_exit(); 1778 error = uiomove(buf, (size_t)l, uio); 1779 if (error) 1780 break; 1781 } 1782 1783 return (error); 1784 } 1785 1786 static int 1787 block_mouse_data(struct psm_softc *sc, int *c) 1788 { 1789 1790 if (!kbdc_lock(sc->kbdc, TRUE)) 1791 return (EIO); 1792 1793 crit_enter(); 1794 *c = get_controller_command_byte(sc->kbdc); 1795 if ((*c == -1) || 1796 !set_controller_command_byte(sc->kbdc, 1797 KBD_AUX_CONTROL_BITS, 1798 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1799 /* this is CONTROLLER ERROR */ 1800 crit_exit(); 1801 kbdc_lock(sc->kbdc, FALSE); 1802 return (EIO); 1803 } 1804 1805 /* 1806 * The device may be in the middle of status data transmission. 1807 * The transmission will be interrupted, thus, incomplete status 1808 * data must be discarded. Although the aux interrupt is disabled 1809 * at the keyboard controller level, at most one aux interrupt 1810 * may have already been pending and a data byte is in the 1811 * output buffer; throw it away. Note that the second argument 1812 * to `empty_aux_buffer()' is zero, so that the call will just 1813 * flush the internal queue. 1814 * `psmintr()' will be invoked after `splx()' if an interrupt is 1815 * pending; it will see no data and returns immediately. 1816 */ 1817 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1818 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1819 flushpackets(sc); 1820 crit_exit(); 1821 1822 return (0); 1823 } 1824 1825 static void 1826 dropqueue(struct psm_softc *sc) 1827 { 1828 1829 sc->queue.count = 0; 1830 sc->queue.head = 0; 1831 sc->queue.tail = 0; 1832 if ((sc->state & PSM_SOFTARMED) != 0) { 1833 sc->state &= ~PSM_SOFTARMED; 1834 callout_stop(&sc->softcallout); 1835 } 1836 sc->pqueue_start = sc->pqueue_end; 1837 } 1838 1839 static void 1840 flushpackets(struct psm_softc *sc) 1841 { 1842 1843 dropqueue(sc); 1844 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1845 } 1846 1847 static int 1848 unblock_mouse_data(struct psm_softc *sc, int c) 1849 { 1850 int error = 0; 1851 1852 /* 1853 * We may have seen a part of status data during `set_mouse_XXX()'. 1854 * they have been queued; flush it. 1855 */ 1856 empty_aux_buffer(sc->kbdc, 0); 1857 1858 /* restore ports and interrupt */ 1859 if (!set_controller_command_byte(sc->kbdc, 1860 KBD_AUX_CONTROL_BITS, c & (KBD_AUX_CONTROL_BITS))) { 1861 /* 1862 * CONTROLLER ERROR; this is serious, we may have 1863 * been left with the inaccessible keyboard and 1864 * the disabled mouse interrupt. 1865 */ 1866 error = EIO; 1867 } 1868 1869 kbdc_lock(sc->kbdc, FALSE); 1870 return (error); 1871 } 1872 1873 static int 1874 psmwrite(struct dev_write_args *ap) 1875 { 1876 cdev_t dev = ap->a_head.a_dev; 1877 struct uio *uio = ap->a_uio; 1878 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1879 u_char buf[PSM_SMALLBUFSIZE]; 1880 int error = 0, i, l; 1881 1882 if ((sc->state & PSM_VALID) == 0) 1883 return (EIO); 1884 1885 if (sc->mode.level < PSM_LEVEL_NATIVE) 1886 return (ENODEV); 1887 1888 /* copy data from the user land */ 1889 while (uio->uio_resid > 0) { 1890 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1891 error = uiomove(buf, l, uio); 1892 if (error) 1893 break; 1894 for (i = 0; i < l; i++) { 1895 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1896 if (!write_aux_command(sc->kbdc, buf[i])) { 1897 VLOG(2, (LOG_DEBUG, 1898 "psm: cmd 0x%x failed.\n", buf[i])); 1899 return (reinitialize(sc, FALSE)); 1900 } 1901 } 1902 } 1903 1904 return (error); 1905 } 1906 1907 static int 1908 psmioctl(struct dev_ioctl_args *ap) 1909 { 1910 cdev_t dev = ap->a_head.a_dev; 1911 caddr_t addr= ap->a_data; 1912 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1913 mousemode_t mode; 1914 mousestatus_t status; 1915 #if (defined(MOUSE_GETVARS)) 1916 mousevar_t *var; 1917 #endif 1918 mousedata_t *data; 1919 int stat[3]; 1920 int command_byte; 1921 int error = 0; 1922 1923 mode.resolution = -1; 1924 1925 /* Perform IOCTL command */ 1926 switch (ap->a_cmd) { 1927 1928 case OLD_MOUSE_GETHWINFO: 1929 crit_enter(); 1930 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1931 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1932 ((old_mousehw_t *)addr)->type = sc->hw.type; 1933 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1934 crit_exit(); 1935 break; 1936 1937 case MOUSE_GETHWINFO: 1938 crit_enter(); 1939 *(mousehw_t *)addr = sc->hw; 1940 if (sc->mode.level == PSM_LEVEL_BASE) 1941 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1942 crit_exit(); 1943 break; 1944 1945 case MOUSE_SYN_GETHWINFO: 1946 crit_enter(); 1947 if (synaptics_support && sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1948 *(synapticshw_t *)addr = sc->synhw; 1949 else 1950 error = EINVAL; 1951 crit_exit(); 1952 break; 1953 1954 case OLD_MOUSE_GETMODE: 1955 crit_enter(); 1956 switch (sc->mode.level) { 1957 case PSM_LEVEL_BASE: 1958 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1959 break; 1960 case PSM_LEVEL_STANDARD: 1961 ((old_mousemode_t *)addr)->protocol = 1962 MOUSE_PROTO_SYSMOUSE; 1963 break; 1964 case PSM_LEVEL_NATIVE: 1965 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1966 break; 1967 } 1968 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1969 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1970 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1971 crit_exit(); 1972 break; 1973 1974 case MOUSE_GETMODE: 1975 crit_enter(); 1976 *(mousemode_t *)addr = sc->mode; 1977 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 1978 ((mousemode_t *)addr)->syncmask[0] = 0; 1979 ((mousemode_t *)addr)->syncmask[1] = 0; 1980 } 1981 ((mousemode_t *)addr)->resolution = 1982 MOUSE_RES_LOW - sc->mode.resolution; 1983 switch (sc->mode.level) { 1984 case PSM_LEVEL_BASE: 1985 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1986 ((mousemode_t *)addr)->packetsize = 1987 MOUSE_PS2_PACKETSIZE; 1988 break; 1989 case PSM_LEVEL_STANDARD: 1990 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1991 ((mousemode_t *)addr)->packetsize = 1992 MOUSE_SYS_PACKETSIZE; 1993 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1994 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1995 break; 1996 case PSM_LEVEL_NATIVE: 1997 /* FIXME: this isn't quite correct... XXX */ 1998 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1999 break; 2000 } 2001 crit_exit(); 2002 break; 2003 2004 case OLD_MOUSE_SETMODE: 2005 case MOUSE_SETMODE: 2006 if (ap->a_cmd == OLD_MOUSE_SETMODE) { 2007 mode.rate = ((old_mousemode_t *)addr)->rate; 2008 /* 2009 * resolution old I/F new I/F 2010 * default 0 0 2011 * low 1 -2 2012 * medium low 2 -3 2013 * medium high 3 -4 2014 * high 4 -5 2015 */ 2016 if (((old_mousemode_t *)addr)->resolution > 0) 2017 mode.resolution = 2018 -((old_mousemode_t *)addr)->resolution - 1; 2019 else 2020 mode.resolution = 0; 2021 mode.accelfactor = 2022 ((old_mousemode_t *)addr)->accelfactor; 2023 mode.level = -1; 2024 } else 2025 mode = *(mousemode_t *)addr; 2026 2027 /* adjust and validate parameters. */ 2028 if (mode.rate > UCHAR_MAX) 2029 return (EINVAL); 2030 if (mode.rate == 0) 2031 mode.rate = sc->dflt_mode.rate; 2032 else if (mode.rate == -1) 2033 /* don't change the current setting */ 2034 ; 2035 else if (mode.rate < 0) 2036 return (EINVAL); 2037 if (mode.resolution >= UCHAR_MAX) 2038 return (EINVAL); 2039 if (mode.resolution >= 200) 2040 mode.resolution = MOUSE_RES_HIGH; 2041 else if (mode.resolution >= 100) 2042 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2043 else if (mode.resolution >= 50) 2044 mode.resolution = MOUSE_RES_MEDIUMLOW; 2045 else if (mode.resolution > 0) 2046 mode.resolution = MOUSE_RES_LOW; 2047 if (mode.resolution == MOUSE_RES_DEFAULT) 2048 mode.resolution = sc->dflt_mode.resolution; 2049 else if (mode.resolution == -1) 2050 /* don't change the current setting */ 2051 ; 2052 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2053 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2054 if (mode.level == -1) 2055 /* don't change the current setting */ 2056 mode.level = sc->mode.level; 2057 else if ((mode.level < PSM_LEVEL_MIN) || 2058 (mode.level > PSM_LEVEL_MAX)) 2059 return (EINVAL); 2060 if (mode.accelfactor == -1) 2061 /* don't change the current setting */ 2062 mode.accelfactor = sc->mode.accelfactor; 2063 else if (mode.accelfactor < 0) 2064 return (EINVAL); 2065 2066 /* don't allow anybody to poll the keyboard controller */ 2067 error = block_mouse_data(sc, &command_byte); 2068 if (error) 2069 return (error); 2070 2071 /* set mouse parameters */ 2072 if (mode.rate > 0) 2073 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2074 mode.rate); 2075 if (mode.resolution >= 0) 2076 mode.resolution = 2077 set_mouse_resolution(sc->kbdc, mode.resolution); 2078 set_mouse_scaling(sc->kbdc, 1); 2079 get_mouse_status(sc->kbdc, stat, 0, 3); 2080 2081 crit_enter(); 2082 sc->mode.rate = mode.rate; 2083 sc->mode.resolution = mode.resolution; 2084 sc->mode.accelfactor = mode.accelfactor; 2085 sc->mode.level = mode.level; 2086 crit_exit(); 2087 2088 unblock_mouse_data(sc, command_byte); 2089 break; 2090 2091 case MOUSE_GETLEVEL: 2092 *(int *)addr = sc->mode.level; 2093 break; 2094 2095 case MOUSE_SETLEVEL: 2096 if ((*(int *)addr < PSM_LEVEL_MIN) || 2097 (*(int *)addr > PSM_LEVEL_MAX)) 2098 return (EINVAL); 2099 sc->mode.level = *(int *)addr; 2100 break; 2101 2102 case MOUSE_GETSTATUS: 2103 crit_enter(); 2104 status = sc->status; 2105 sc->status.flags = 0; 2106 sc->status.obutton = sc->status.button; 2107 sc->status.button = 0; 2108 sc->status.dx = 0; 2109 sc->status.dy = 0; 2110 sc->status.dz = 0; 2111 crit_exit(); 2112 *(mousestatus_t *)addr = status; 2113 break; 2114 2115 #if (defined(MOUSE_GETVARS)) 2116 case MOUSE_GETVARS: 2117 var = (mousevar_t *)addr; 2118 bzero(var, sizeof(*var)); 2119 crit_enter(); 2120 var->var[0] = MOUSE_VARS_PS2_SIG; 2121 var->var[1] = sc->config; 2122 var->var[2] = sc->flags; 2123 crit_exit(); 2124 break; 2125 2126 case MOUSE_SETVARS: 2127 return (ENODEV); 2128 #endif /* MOUSE_GETVARS */ 2129 2130 case MOUSE_READSTATE: 2131 case MOUSE_READDATA: 2132 data = (mousedata_t *)addr; 2133 if (data->len > NELEM(data->buf)) 2134 return (EINVAL); 2135 2136 error = block_mouse_data(sc, &command_byte); 2137 if (error) 2138 return (error); 2139 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2140 (ap->a_cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2141 error = EIO; 2142 unblock_mouse_data(sc, command_byte); 2143 break; 2144 2145 #if (defined(MOUSE_SETRESOLUTION)) 2146 case MOUSE_SETRESOLUTION: 2147 mode.resolution = *(int *)addr; 2148 if (mode.resolution >= UCHAR_MAX) 2149 return (EINVAL); 2150 else if (mode.resolution >= 200) 2151 mode.resolution = MOUSE_RES_HIGH; 2152 else if (mode.resolution >= 100) 2153 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2154 else if (mode.resolution >= 50) 2155 mode.resolution = MOUSE_RES_MEDIUMLOW; 2156 else if (mode.resolution > 0) 2157 mode.resolution = MOUSE_RES_LOW; 2158 if (mode.resolution == MOUSE_RES_DEFAULT) 2159 mode.resolution = sc->dflt_mode.resolution; 2160 else if (mode.resolution == -1) 2161 mode.resolution = sc->mode.resolution; 2162 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2163 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2164 2165 error = block_mouse_data(sc, &command_byte); 2166 if (error) 2167 return (error); 2168 sc->mode.resolution = 2169 set_mouse_resolution(sc->kbdc, mode.resolution); 2170 if (sc->mode.resolution != mode.resolution) 2171 error = EIO; 2172 unblock_mouse_data(sc, command_byte); 2173 break; 2174 #endif /* MOUSE_SETRESOLUTION */ 2175 2176 #if (defined(MOUSE_SETRATE)) 2177 case MOUSE_SETRATE: 2178 mode.rate = *(int *)addr; 2179 if (mode.rate > UCHAR_MAX) 2180 return (EINVAL); 2181 if (mode.rate == 0) 2182 mode.rate = sc->dflt_mode.rate; 2183 else if (mode.rate < 0) 2184 mode.rate = sc->mode.rate; 2185 2186 error = block_mouse_data(sc, &command_byte); 2187 if (error) 2188 return (error); 2189 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2190 if (sc->mode.rate != mode.rate) 2191 error = EIO; 2192 unblock_mouse_data(sc, command_byte); 2193 break; 2194 #endif /* MOUSE_SETRATE */ 2195 2196 #if (defined(MOUSE_SETSCALING)) 2197 case MOUSE_SETSCALING: 2198 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2199 return (EINVAL); 2200 2201 error = block_mouse_data(sc, &command_byte); 2202 if (error) 2203 return (error); 2204 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2205 error = EIO; 2206 unblock_mouse_data(sc, command_byte); 2207 break; 2208 #endif /* MOUSE_SETSCALING */ 2209 2210 #if (defined(MOUSE_GETHWID)) 2211 case MOUSE_GETHWID: 2212 error = block_mouse_data(sc, &command_byte); 2213 if (error) 2214 return (error); 2215 sc->hw.hwid &= ~0x00ff; 2216 sc->hw.hwid |= get_aux_id(sc->kbdc); 2217 *(int *)addr = sc->hw.hwid & 0x00ff; 2218 unblock_mouse_data(sc, command_byte); 2219 break; 2220 #endif /* MOUSE_GETHWID */ 2221 2222 default: 2223 return (ENOTTY); 2224 } 2225 2226 return (error); 2227 } 2228 2229 static void 2230 psmtimeout(void *arg) 2231 { 2232 struct psm_softc *sc; 2233 2234 sc = (struct psm_softc *)arg; 2235 crit_enter(); 2236 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2237 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2238 psmintr(sc); 2239 kbdc_lock(sc->kbdc, FALSE); 2240 } 2241 sc->watchdog = TRUE; 2242 crit_exit(); 2243 callout_reset(&sc->callout, hz, psmtimeout, (void *)(uintptr_t)sc); 2244 } 2245 2246 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2247 SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2248 SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2249 2250 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2251 "Verbosity level"); 2252 2253 static int psmhz = 20; 2254 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2255 "Frequency of the softcallout (in hz)"); 2256 static int psmerrsecs = 2; 2257 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2258 "Number of seconds during which packets will dropped after a sync error"); 2259 static int psmerrusecs = 0; 2260 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2261 "Microseconds to add to psmerrsecs"); 2262 static int psmsecs = 0; 2263 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2264 "Max number of seconds between soft interrupts"); 2265 static int psmusecs = 500000; 2266 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2267 "Microseconds to add to psmsecs"); 2268 static int pkterrthresh = 2; 2269 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2270 "Number of error packets allowed before reinitializing the mouse"); 2271 2272 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RW, &tap_enabled, 0, 2273 "Enable tap and drag gestures"); 2274 static int tap_threshold = PSM_TAP_THRESHOLD; 2275 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2276 "Button tap threshold"); 2277 static int tap_timeout = PSM_TAP_TIMEOUT; 2278 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2279 "Tap timeout for touchpads"); 2280 2281 static void 2282 psmintr(void *arg) 2283 { 2284 struct psm_softc *sc = arg; 2285 struct timeval now; 2286 int c; 2287 packetbuf_t *pb; 2288 2289 2290 /* read until there is nothing to read */ 2291 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2292 pb = &sc->pqueue[sc->pqueue_end]; 2293 2294 /* discard the byte if the device is not open */ 2295 if ((sc->state & PSM_OPEN) == 0) 2296 continue; 2297 2298 getmicrouptime(&now); 2299 if ((pb->inputbytes > 0) && 2300 timevalcmp(&now, &sc->inputtimeout, >)) { 2301 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2302 "resetting byte count\n")); 2303 pb->inputbytes = 0; 2304 sc->syncerrors = 0; 2305 sc->pkterrors = 0; 2306 } 2307 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2308 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2309 timevaladd(&sc->inputtimeout, &now); 2310 2311 pb->ipacket[pb->inputbytes++] = c; 2312 2313 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2314 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2315 sc->syncerrors = 0; 2316 sc->pkterrors = 0; 2317 goto next; 2318 } else { 2319 if (pb->inputbytes < sc->mode.packetsize) 2320 continue; 2321 2322 VLOG(4, (LOG_DEBUG, 2323 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2324 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2325 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2326 } 2327 2328 c = pb->ipacket[0]; 2329 2330 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2331 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2332 sc->flags &= ~PSM_NEED_SYNCBITS; 2333 VLOG(2, (LOG_DEBUG, 2334 "psmintr: Sync bytes now %04x,%04x\n", 2335 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2336 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2337 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2338 "(%04x != %04x) %d cmds since last error.\n", 2339 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2340 sc->cmdcount - sc->lasterr)); 2341 sc->lasterr = sc->cmdcount; 2342 /* 2343 * The sync byte test is a weak measure of packet 2344 * validity. Conservatively discard any input yet 2345 * to be seen by userland when we detect a sync 2346 * error since there is a good chance some of 2347 * the queued packets have undetected errors. 2348 */ 2349 dropqueue(sc); 2350 if (sc->syncerrors == 0) 2351 sc->pkterrors++; 2352 ++sc->syncerrors; 2353 sc->lastinputerr = now; 2354 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2355 sc->pkterrors >= pkterrthresh) { 2356 /* 2357 * If we've failed to find a single sync byte 2358 * in 2 packets worth of data, or we've seen 2359 * persistent packet errors during the 2360 * validation period, reinitialize the mouse 2361 * in hopes of returning it to the expected 2362 * mode. 2363 */ 2364 VLOG(3, (LOG_DEBUG, 2365 "psmintr: reset the mouse.\n")); 2366 reinitialize(sc, TRUE); 2367 } else if (sc->syncerrors == sc->mode.packetsize) { 2368 /* 2369 * Try a soft reset after searching for a sync 2370 * byte through a packet length of bytes. 2371 */ 2372 VLOG(3, (LOG_DEBUG, 2373 "psmintr: re-enable the mouse.\n")); 2374 pb->inputbytes = 0; 2375 disable_aux_dev(sc->kbdc); 2376 enable_aux_dev(sc->kbdc); 2377 } else { 2378 VLOG(3, (LOG_DEBUG, 2379 "psmintr: discard a byte (%d)\n", 2380 sc->syncerrors)); 2381 pb->inputbytes--; 2382 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2383 pb->inputbytes); 2384 } 2385 continue; 2386 } 2387 2388 /* 2389 * We have what appears to be a valid packet. 2390 * Reset the error counters. 2391 */ 2392 sc->syncerrors = 0; 2393 2394 /* 2395 * Drop even good packets if they occur within a timeout 2396 * period of a sync error. This allows the detection of 2397 * a change in the mouse's packet mode without exposing 2398 * erratic mouse behavior to the user. Some KVMs forget 2399 * enhanced mouse modes during switch events. 2400 */ 2401 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2402 &now)) { 2403 pb->inputbytes = 0; 2404 continue; 2405 } 2406 2407 /* 2408 * Now that we're out of the validation period, reset 2409 * the packet error count. 2410 */ 2411 sc->pkterrors = 0; 2412 2413 sc->cmdcount++; 2414 next: 2415 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2416 sc->pqueue_end = 0; 2417 /* 2418 * If we've filled the queue then call the softintr ourselves, 2419 * otherwise schedule the interrupt for later. 2420 */ 2421 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2422 (sc->pqueue_end == sc->pqueue_start)) { 2423 if ((sc->state & PSM_SOFTARMED) != 0) { 2424 sc->state &= ~PSM_SOFTARMED; 2425 callout_stop(&sc->softcallout); 2426 } 2427 psmsoftintr(arg); 2428 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2429 sc->state |= PSM_SOFTARMED; 2430 callout_reset(&sc->softcallout, psmhz < 1 ? 1 : (hz/psmhz), 2431 psmsoftintr, arg); 2432 } 2433 } 2434 } 2435 2436 static void 2437 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2438 int *x, int *y, int *z) 2439 { 2440 2441 /* 2442 * PS2++ protocl packet 2443 * 2444 * b7 b6 b5 b4 b3 b2 b1 b0 2445 * byte 1: * 1 p3 p2 1 * * * 2446 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2447 * 2448 * p3-p0: packet type 2449 * c1, c2: c1 & c2 == 1, if p2 == 0 2450 * c1 & c2 == 0, if p2 == 1 2451 * 2452 * packet type: 0 (device type) 2453 * See comments in enable_mmanplus() below. 2454 * 2455 * packet type: 1 (wheel data) 2456 * 2457 * b7 b6 b5 b4 b3 b2 b1 b0 2458 * byte 3: h * B5 B4 s d2 d1 d0 2459 * 2460 * h: 1, if horizontal roller data 2461 * 0, if vertical roller data 2462 * B4, B5: button 4 and 5 2463 * s: sign bit 2464 * d2-d0: roller data 2465 * 2466 * packet type: 2 (reserved) 2467 */ 2468 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2469 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2470 /* 2471 * the extended data packet encodes button 2472 * and wheel events 2473 */ 2474 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2475 case 1: 2476 /* wheel data packet */ 2477 *x = *y = 0; 2478 if (pb->ipacket[2] & 0x80) { 2479 /* XXX horizontal roller count - ignore it */ 2480 ; 2481 } else { 2482 /* vertical roller count */ 2483 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2484 (pb->ipacket[2] & 0x0f) - 16 : 2485 (pb->ipacket[2] & 0x0f); 2486 } 2487 ms->button |= (pb->ipacket[2] & 2488 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2489 MOUSE_BUTTON4DOWN : 0; 2490 ms->button |= (pb->ipacket[2] & 2491 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2492 MOUSE_BUTTON5DOWN : 0; 2493 break; 2494 case 2: 2495 /* 2496 * this packet type is reserved by 2497 * Logitech... 2498 */ 2499 /* 2500 * IBM ScrollPoint Mouse uses this 2501 * packet type to encode both vertical 2502 * and horizontal scroll movement. 2503 */ 2504 *x = *y = 0; 2505 /* horizontal count */ 2506 if (pb->ipacket[2] & 0x0f) 2507 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2508 -2 : 2; 2509 /* vertical count */ 2510 if (pb->ipacket[2] & 0xf0) 2511 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2512 -1 : 1; 2513 break; 2514 case 0: 2515 /* device type packet - shouldn't happen */ 2516 /* FALLTHROUGH */ 2517 default: 2518 *x = *y = 0; 2519 ms->button = ms->obutton; 2520 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2521 "type %d: 0x%02x 0x%02x 0x%02x\n", 2522 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2523 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2524 break; 2525 } 2526 } else { 2527 /* preserve button states */ 2528 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2529 } 2530 } 2531 2532 static int 2533 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2534 int *x, int *y, int *z) 2535 { 2536 static int touchpad_buttons; 2537 static int guest_buttons; 2538 int w, x0, y0; 2539 2540 /* TouchPad PS/2 absolute mode message format 2541 * 2542 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2543 * ------------------------------------------------ 2544 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2545 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2546 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2547 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2548 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2549 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2550 * 2551 * Legend: 2552 * L: left physical mouse button 2553 * R: right physical mouse button 2554 * D: down button 2555 * U: up button 2556 * W: "wrist" value 2557 * X: x position 2558 * Y: y position 2559 * Z: pressure 2560 * 2561 * Absolute reportable limits: 0 - 6143. 2562 * Typical bezel limits: 1472 - 5472. 2563 * Typical edge marings: 1632 - 5312. 2564 * 2565 * w = 3 Passthrough Packet 2566 * 2567 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2568 */ 2569 2570 if (!synaptics_support) 2571 return (0); 2572 2573 /* Sanity check for out of sync packets. */ 2574 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2575 (pb->ipacket[3] & 0xc8) != 0xc0) 2576 return (-1); 2577 2578 *x = *y = 0; 2579 2580 /* 2581 * Pressure value. 2582 * Interpretation: 2583 * z = 0 No finger contact 2584 * z = 10 Finger hovering near the pad 2585 * z = 30 Very light finger contact 2586 * z = 80 Normal finger contact 2587 * z = 110 Very heavy finger contact 2588 * z = 200 Finger lying flat on pad surface 2589 * z = 255 Maximum reportable Z 2590 */ 2591 *z = pb->ipacket[2]; 2592 2593 /* 2594 * Finger width value 2595 * Interpretation: 2596 * w = 0 Two finger on the pad (capMultiFinger needed) 2597 * w = 1 Three or more fingers (capMultiFinger needed) 2598 * w = 2 Pen (instead of finger) (capPen needed) 2599 * w = 3 Reserved (passthrough?) 2600 * w = 4-7 Finger of normal width (capPalmDetect needed) 2601 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2602 * w = 15 Maximum reportable width (capPalmDetect needed) 2603 */ 2604 /* XXX Is checking capExtended enough? */ 2605 if (sc->synhw.capExtended) 2606 w = ((pb->ipacket[0] & 0x30) >> 2) | 2607 ((pb->ipacket[0] & 0x04) >> 1) | 2608 ((pb->ipacket[3] & 0x04) >> 2); 2609 else { 2610 /* Assume a finger of regular width. */ 2611 w = 4; 2612 } 2613 2614 /* Handle packets from the guest device */ 2615 /* XXX Documentation? */ 2616 if (w == 3 && sc->synhw.capPassthrough) { 2617 *x = ((pb->ipacket[1] & 0x10) ? 2618 pb->ipacket[4] - 256 : pb->ipacket[4]); 2619 *y = ((pb->ipacket[1] & 0x20) ? 2620 pb->ipacket[5] - 256 : pb->ipacket[5]); 2621 *z = 0; 2622 2623 guest_buttons = 0; 2624 if (pb->ipacket[1] & 0x01) 2625 guest_buttons |= MOUSE_BUTTON1DOWN; 2626 if (pb->ipacket[1] & 0x04) 2627 guest_buttons |= MOUSE_BUTTON2DOWN; 2628 if (pb->ipacket[1] & 0x02) 2629 guest_buttons |= MOUSE_BUTTON3DOWN; 2630 2631 ms->button = touchpad_buttons | guest_buttons; 2632 goto SYNAPTICS_END; 2633 } 2634 2635 /* Button presses */ 2636 touchpad_buttons = 0; 2637 if (pb->ipacket[0] & 0x01) 2638 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2639 if (pb->ipacket[0] & 0x02) 2640 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2641 2642 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2643 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2644 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2645 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2646 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2647 } 2648 2649 /* 2650 * In newer pads - bit 0x02 in the third byte of 2651 * the packet indicates that we have an extended 2652 * button press. 2653 */ 2654 /* XXX Documentation? */ 2655 if (pb->ipacket[3] & 0x02) { 2656 /* 2657 * if directional_scrolls is not 1, we treat any of 2658 * the scrolling directions as middle-click. 2659 */ 2660 if (sc->syninfo.directional_scrolls) { 2661 if (pb->ipacket[4] & 0x01) 2662 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2663 if (pb->ipacket[5] & 0x01) 2664 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2665 if (pb->ipacket[4] & 0x02) 2666 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2667 if (pb->ipacket[5] & 0x02) 2668 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2669 } else { 2670 if ((pb->ipacket[4] & 0x0F) || 2671 (pb->ipacket[5] & 0x0F)) 2672 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2673 } 2674 } 2675 2676 ms->button = touchpad_buttons | guest_buttons; 2677 2678 /* Check pressure to detect a real wanted action on the 2679 * touchpad. */ 2680 if (*z >= sc->syninfo.min_pressure) { 2681 synapticsaction_t *synaction; 2682 int cursor, peer, window; 2683 int dx, dy, dxp, dyp; 2684 int max_width, max_pressure; 2685 int margin_top, margin_right, margin_bottom, margin_left; 2686 int na_top, na_right, na_bottom, na_left; 2687 int window_min, window_max; 2688 int multiplicator; 2689 int weight_current, weight_previous, weight_len_squared; 2690 int div_min, div_max, div_len; 2691 int vscroll_hor_area, vscroll_ver_area; 2692 2693 int len, weight_prev_x, weight_prev_y; 2694 int div_max_x, div_max_y, div_x, div_y; 2695 2696 /* Read sysctl. */ 2697 /* XXX Verify values? */ 2698 max_width = sc->syninfo.max_width; 2699 max_pressure = sc->syninfo.max_pressure; 2700 margin_top = sc->syninfo.margin_top; 2701 margin_right = sc->syninfo.margin_right; 2702 margin_bottom = sc->syninfo.margin_bottom; 2703 margin_left = sc->syninfo.margin_left; 2704 na_top = sc->syninfo.na_top; 2705 na_right = sc->syninfo.na_right; 2706 na_bottom = sc->syninfo.na_bottom; 2707 na_left = sc->syninfo.na_left; 2708 window_min = sc->syninfo.window_min; 2709 window_max = sc->syninfo.window_max; 2710 multiplicator = sc->syninfo.multiplicator; 2711 weight_current = sc->syninfo.weight_current; 2712 weight_previous = sc->syninfo.weight_previous; 2713 weight_len_squared = sc->syninfo.weight_len_squared; 2714 div_min = sc->syninfo.div_min; 2715 div_max = sc->syninfo.div_max; 2716 div_len = sc->syninfo.div_len; 2717 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2718 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2719 2720 /* Palm detection. */ 2721 if (!( 2722 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2723 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2724 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2725 (sc->synhw.capPen && w == 2))) { 2726 /* 2727 * We consider the packet irrelevant for the current 2728 * action when: 2729 * - the width isn't comprised in: 2730 * [4; max_width] 2731 * - the pressure isn't comprised in: 2732 * [min_pressure; max_pressure] 2733 * - pen aren't supported but w is 2 2734 * 2735 * Note that this doesn't terminate the current action. 2736 */ 2737 VLOG(2, (LOG_DEBUG, 2738 "synaptics: palm detected! (%d)\n", w)); 2739 goto SYNAPTICS_END; 2740 } 2741 2742 /* Read current absolute position. */ 2743 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2744 ((pb->ipacket[1] & 0x0f) << 8) | 2745 pb->ipacket[4]; 2746 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2747 ((pb->ipacket[1] & 0xf0) << 4) | 2748 pb->ipacket[5]; 2749 2750 synaction = &(sc->synaction); 2751 2752 /* 2753 * If the action is just beginning, init the structure and 2754 * compute tap timeout. 2755 */ 2756 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2757 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2758 2759 /* Store the first point of this action. */ 2760 synaction->start_x = x0; 2761 synaction->start_y = y0; 2762 dx = dy = 0; 2763 2764 /* Initialize queue. */ 2765 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2766 synaction->queue_len = 0; 2767 synaction->window_min = window_min; 2768 2769 /* Reset average. */ 2770 synaction->avg_dx = 0; 2771 synaction->avg_dy = 0; 2772 2773 /* Reset squelch. */ 2774 synaction->squelch_x = 0; 2775 synaction->squelch_y = 0; 2776 2777 /* Reset pressure peak. */ 2778 sc->zmax = 0; 2779 2780 /* Reset fingers count. */ 2781 synaction->fingers_nb = 0; 2782 2783 /* Reset virtual scrolling state. */ 2784 synaction->in_vscroll = 0; 2785 2786 /* Compute tap timeout. */ 2787 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2788 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2789 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2790 2791 sc->flags |= PSM_FLAGS_FINGERDOWN; 2792 } else { 2793 /* Calculate the current delta. */ 2794 cursor = synaction->queue_cursor; 2795 dx = x0 - synaction->queue[cursor].x; 2796 dy = y0 - synaction->queue[cursor].y; 2797 } 2798 2799 /* If in tap-hold, add the recorded button. */ 2800 if (synaction->in_taphold) 2801 ms->button |= synaction->tap_button; 2802 2803 /* 2804 * From now on, we can use the SYNAPTICS_END label to skip 2805 * the current packet. 2806 */ 2807 2808 /* 2809 * Limit the coordinates to the specified margins because 2810 * this area isn't very reliable. 2811 */ 2812 if (x0 <= margin_left) 2813 x0 = margin_left; 2814 else if (x0 >= 6143 - margin_right) 2815 x0 = 6143 - margin_right; 2816 if (y0 <= margin_bottom) 2817 y0 = margin_bottom; 2818 else if (y0 >= 6143 - margin_top) 2819 y0 = 6143 - margin_top; 2820 2821 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2822 x0, y0, *z, w)); 2823 2824 /* Queue this new packet. */ 2825 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2826 synaction->queue[cursor].x = x0; 2827 synaction->queue[cursor].y = y0; 2828 synaction->queue_cursor = cursor; 2829 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2830 synaction->queue_len++; 2831 VLOG(5, (LOG_DEBUG, 2832 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2833 cursor, x0, y0, dx, dy)); 2834 2835 /* 2836 * For tap, we keep the maximum number of fingers and the 2837 * pressure peak. Also with multiple fingers, we increase 2838 * the minimum window. 2839 */ 2840 switch (w) { 2841 case 1: /* Three or more fingers. */ 2842 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2843 synaction->window_min = window_max; 2844 break; 2845 case 0: /* Two fingers. */ 2846 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2847 synaction->window_min = window_max; 2848 break; 2849 default: /* One finger or undetectable. */ 2850 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2851 } 2852 sc->zmax = imax(*z, sc->zmax); 2853 2854 /* Do we have enough packets to consider this a movement? */ 2855 if (synaction->queue_len < synaction->window_min) 2856 goto SYNAPTICS_END; 2857 2858 /* Is a scrolling action occuring? */ 2859 if (!synaction->in_taphold && !synaction->in_vscroll) { 2860 /* 2861 * A scrolling action must not conflict with a tap 2862 * action. Here are the conditions to consider a 2863 * scrolling action: 2864 * - the action in a configurable area 2865 * - one of the following: 2866 * . the distance between the last packet and the 2867 * first should be above a configurable minimum 2868 * . tap timed out 2869 */ 2870 dxp = abs(synaction->queue[synaction->queue_cursor].x - 2871 synaction->start_x); 2872 dyp = abs(synaction->queue[synaction->queue_cursor].y - 2873 synaction->start_y); 2874 2875 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 2876 dxp >= sc->syninfo.vscroll_min_delta || 2877 dyp >= sc->syninfo.vscroll_min_delta) { 2878 /* Check for horizontal scrolling. */ 2879 if ((vscroll_hor_area > 0 && 2880 synaction->start_y <= vscroll_hor_area) || 2881 (vscroll_hor_area < 0 && 2882 synaction->start_y >= 2883 6143 + vscroll_hor_area)) 2884 synaction->in_vscroll += 2; 2885 2886 /* Check for vertical scrolling. */ 2887 if ((vscroll_ver_area > 0 && 2888 synaction->start_x <= vscroll_ver_area) || 2889 (vscroll_ver_area < 0 && 2890 synaction->start_x >= 2891 6143 + vscroll_ver_area)) 2892 synaction->in_vscroll += 1; 2893 2894 /* Avoid conflicts if area overlaps. */ 2895 if (synaction->in_vscroll == 3) 2896 synaction->in_vscroll = 2897 (dxp > dyp) ? 2 : 1; 2898 } 2899 VLOG(5, (LOG_DEBUG, 2900 "synaptics: virtual scrolling: %s " 2901 "(direction=%d, dxp=%d, dyp=%d)\n", 2902 synaction->in_vscroll ? "YES" : "NO", 2903 synaction->in_vscroll, dxp, dyp)); 2904 } 2905 2906 weight_prev_x = weight_prev_y = weight_previous; 2907 div_max_x = div_max_y = div_max; 2908 2909 if (synaction->in_vscroll) { 2910 /* Dividers are different with virtual scrolling. */ 2911 div_min = sc->syninfo.vscroll_div_min; 2912 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 2913 } else { 2914 /* 2915 * There's a lot of noise in coordinates when 2916 * the finger is on the touchpad's borders. When 2917 * using this area, we apply a special weight and 2918 * div. 2919 */ 2920 if (x0 <= na_left || x0 >= 6143 - na_right) { 2921 weight_prev_x = sc->syninfo.weight_previous_na; 2922 div_max_x = sc->syninfo.div_max_na; 2923 } 2924 2925 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 2926 weight_prev_y = sc->syninfo.weight_previous_na; 2927 div_max_y = sc->syninfo.div_max_na; 2928 } 2929 } 2930 2931 /* 2932 * Calculate weights for the average operands and 2933 * the divisor. Both depend on the distance between 2934 * the current packet and a previous one (based on the 2935 * window width). 2936 */ 2937 window = imin(synaction->queue_len, window_max); 2938 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 2939 dxp = abs(x0 - synaction->queue[peer].x) + 1; 2940 dyp = abs(y0 - synaction->queue[peer].y) + 1; 2941 len = (dxp * dxp) + (dyp * dyp); 2942 weight_prev_x = imin(weight_prev_x, 2943 weight_len_squared * weight_prev_x / len); 2944 weight_prev_y = imin(weight_prev_y, 2945 weight_len_squared * weight_prev_y / len); 2946 2947 len = (dxp + dyp) / 2; 2948 div_x = div_len * div_max_x / len; 2949 div_x = imin(div_max_x, div_x); 2950 div_x = imax(div_min, div_x); 2951 div_y = div_len * div_max_y / len; 2952 div_y = imin(div_max_y, div_y); 2953 div_y = imax(div_min, div_y); 2954 2955 VLOG(3, (LOG_DEBUG, 2956 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 2957 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 2958 2959 /* Compute averages. */ 2960 synaction->avg_dx = 2961 (weight_current * dx * multiplicator + 2962 weight_prev_x * synaction->avg_dx) / 2963 (weight_current + weight_prev_x); 2964 2965 synaction->avg_dy = 2966 (weight_current * dy * multiplicator + 2967 weight_prev_y * synaction->avg_dy) / 2968 (weight_current + weight_prev_y); 2969 2970 VLOG(5, (LOG_DEBUG, 2971 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 2972 synaction->avg_dx / multiplicator, 2973 synaction->avg_dy / multiplicator)); 2974 2975 /* Use these averages to calculate x & y. */ 2976 synaction->squelch_x += synaction->avg_dx; 2977 *x = synaction->squelch_x / (div_x * multiplicator); 2978 synaction->squelch_x = synaction->squelch_x % 2979 (div_x * multiplicator); 2980 2981 synaction->squelch_y += synaction->avg_dy; 2982 *y = synaction->squelch_y / (div_y * multiplicator); 2983 synaction->squelch_y = synaction->squelch_y % 2984 (div_y * multiplicator); 2985 2986 if (synaction->in_vscroll) { 2987 switch(synaction->in_vscroll) { 2988 case 1: /* Vertical scrolling. */ 2989 if (*y != 0) 2990 ms->button |= (*y > 0) ? 2991 MOUSE_BUTTON4DOWN : 2992 MOUSE_BUTTON5DOWN; 2993 break; 2994 case 2: /* Horizontal scrolling. */ 2995 if (*x != 0) 2996 ms->button |= (*x > 0) ? 2997 MOUSE_BUTTON7DOWN : 2998 MOUSE_BUTTON6DOWN; 2999 break; 3000 } 3001 3002 /* The pointer is not moved. */ 3003 *x = *y = 0; 3004 } else { 3005 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3006 dx, dy, *x, *y)); 3007 } 3008 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3009 /* 3010 * An action is currently taking place but the pressure 3011 * dropped under the minimum, putting an end to it. 3012 */ 3013 synapticsaction_t *synaction; 3014 int taphold_timeout, dx, dy, tap_max_delta; 3015 3016 synaction = &(sc->synaction); 3017 dx = abs(synaction->queue[synaction->queue_cursor].x - 3018 synaction->start_x); 3019 dy = abs(synaction->queue[synaction->queue_cursor].y - 3020 synaction->start_y); 3021 3022 /* Max delta is disabled for multi-fingers tap. */ 3023 if (synaction->fingers_nb > 1) 3024 tap_max_delta = imax(dx, dy); 3025 else 3026 tap_max_delta = sc->syninfo.tap_max_delta; 3027 3028 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3029 3030 /* Check for tap. */ 3031 VLOG(3, (LOG_DEBUG, 3032 "synaptics: zmax=%d, dx=%d, dy=%d, " 3033 "delta=%d, fingers=%d, queue=%d\n", 3034 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3035 synaction->queue_len)); 3036 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3037 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3038 dx <= tap_max_delta && dy <= tap_max_delta && 3039 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3040 /* 3041 * We have a tap if: 3042 * - the maximum pressure went over tap_threshold 3043 * - the action ended before tap_timeout 3044 * 3045 * To handle tap-hold, we must delay any button push to 3046 * the next action. 3047 */ 3048 if (synaction->in_taphold) { 3049 /* 3050 * This is the second and last tap of a 3051 * double tap action, not a tap-hold. 3052 */ 3053 synaction->in_taphold = 0; 3054 3055 /* 3056 * For double-tap to work: 3057 * - no button press is emitted (to 3058 * simulate a button release) 3059 * - PSM_FLAGS_FINGERDOWN is set to 3060 * force the next packet to emit a 3061 * button press) 3062 */ 3063 VLOG(2, (LOG_DEBUG, 3064 "synaptics: button RELEASE: %d\n", 3065 synaction->tap_button)); 3066 sc->flags |= PSM_FLAGS_FINGERDOWN; 3067 } else { 3068 /* 3069 * This is the first tap: we set the 3070 * tap-hold state and notify the button 3071 * down event. 3072 */ 3073 synaction->in_taphold = 1; 3074 taphold_timeout = sc->syninfo.taphold_timeout; 3075 sc->taptimeout.tv_sec = taphold_timeout / 3076 1000000; 3077 sc->taptimeout.tv_usec = taphold_timeout % 3078 1000000; 3079 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3080 3081 switch (synaction->fingers_nb) { 3082 case 3: 3083 synaction->tap_button = 3084 MOUSE_BUTTON2DOWN; 3085 break; 3086 case 2: 3087 synaction->tap_button = 3088 MOUSE_BUTTON3DOWN; 3089 break; 3090 default: 3091 synaction->tap_button = 3092 MOUSE_BUTTON1DOWN; 3093 } 3094 VLOG(2, (LOG_DEBUG, 3095 "synaptics: button PRESS: %d\n", 3096 synaction->tap_button)); 3097 ms->button |= synaction->tap_button; 3098 } 3099 } else { 3100 /* 3101 * Not enough pressure or timeout: reset 3102 * tap-hold state. 3103 */ 3104 if (synaction->in_taphold) { 3105 VLOG(2, (LOG_DEBUG, 3106 "synaptics: button RELEASE: %d\n", 3107 synaction->tap_button)); 3108 synaction->in_taphold = 0; 3109 } else { 3110 VLOG(2, (LOG_DEBUG, 3111 "synaptics: not a tap-hold\n")); 3112 } 3113 } 3114 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3115 sc->synaction.in_taphold) { 3116 /* 3117 * For a tap-hold to work, the button must remain down at 3118 * least until timeout (where the in_taphold flags will be 3119 * cleared) or during the next action. 3120 */ 3121 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3122 ms->button |= sc->synaction.tap_button; 3123 } else { 3124 VLOG(2, (LOG_DEBUG, 3125 "synaptics: button RELEASE: %d\n", 3126 sc->synaction.tap_button)); 3127 sc->synaction.in_taphold = 0; 3128 } 3129 } 3130 3131 SYNAPTICS_END: 3132 /* 3133 * Use the extra buttons as a scrollwheel 3134 * 3135 * XXX X.Org uses the Z axis for vertical wheel only, 3136 * whereas moused(8) understands special values to differ 3137 * vertical and horizontal wheels. 3138 * 3139 * xf86-input-mouse needs therefore a small patch to 3140 * understand these special values. Without it, the 3141 * horizontal wheel acts as a vertical wheel in X.Org. 3142 * 3143 * That's why the horizontal wheel is disabled by 3144 * default for now. 3145 */ 3146 if (ms->button & MOUSE_BUTTON4DOWN) { 3147 *z = -1; 3148 ms->button &= ~MOUSE_BUTTON4DOWN; 3149 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3150 *z = 1; 3151 ms->button &= ~MOUSE_BUTTON5DOWN; 3152 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3153 *z = -2; 3154 ms->button &= ~MOUSE_BUTTON6DOWN; 3155 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3156 *z = 2; 3157 ms->button &= ~MOUSE_BUTTON7DOWN; 3158 } else 3159 *z = 0; 3160 3161 return (0); 3162 } 3163 3164 static void 3165 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3166 int *x, int *y, int *z) 3167 { 3168 static int butmap_versapad[8] = { 3169 0, 3170 MOUSE_BUTTON3DOWN, 3171 0, 3172 MOUSE_BUTTON3DOWN, 3173 MOUSE_BUTTON1DOWN, 3174 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3175 MOUSE_BUTTON1DOWN, 3176 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3177 }; 3178 int c, x0, y0; 3179 3180 /* VersaPad PS/2 absolute mode message format 3181 * 3182 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3183 * ipacket[0]: 1 1 0 A 1 L T R 3184 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3185 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3186 * ipacket[3]: 1 1 1 A 1 L T R 3187 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3188 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3189 * 3190 * [note] 3191 * R: right physical mouse button (1=on) 3192 * T: touch pad virtual button (1=tapping) 3193 * L: left physical mouse button (1=on) 3194 * A: position data is valid (1=valid) 3195 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3196 * V: vertical data (12bit signed integer. V11 is sign bit.) 3197 * P: pressure data 3198 * 3199 * Tapping is mapped to MOUSE_BUTTON4. 3200 */ 3201 c = pb->ipacket[0]; 3202 *x = *y = 0; 3203 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3204 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3205 if (c & MOUSE_PS2VERSA_IN_USE) { 3206 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3207 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3208 if (x0 & 0x800) 3209 x0 -= 0x1000; 3210 if (y0 & 0x800) 3211 y0 -= 0x1000; 3212 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3213 *x = sc->xold - x0; 3214 *y = y0 - sc->yold; 3215 if (*x < 0) /* XXX */ 3216 ++*x; 3217 else if (*x) 3218 --*x; 3219 if (*y < 0) 3220 ++*y; 3221 else if (*y) 3222 --*y; 3223 } else 3224 sc->flags |= PSM_FLAGS_FINGERDOWN; 3225 sc->xold = x0; 3226 sc->yold = y0; 3227 } else 3228 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3229 } 3230 3231 static void 3232 psmsoftintr(void *arg) 3233 { 3234 /* 3235 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3236 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3237 */ 3238 static int butmap[8] = { 3239 0, 3240 MOUSE_BUTTON1DOWN, 3241 MOUSE_BUTTON3DOWN, 3242 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3243 MOUSE_BUTTON2DOWN, 3244 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3245 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3246 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3247 }; 3248 struct psm_softc *sc = arg; 3249 mousestatus_t ms; 3250 packetbuf_t *pb; 3251 int x, y, z, c, l; 3252 3253 getmicrouptime(&sc->lastsoftintr); 3254 3255 crit_enter(); 3256 3257 do { 3258 pb = &sc->pqueue[sc->pqueue_start]; 3259 3260 if (sc->mode.level == PSM_LEVEL_NATIVE) 3261 goto next_native; 3262 3263 c = pb->ipacket[0]; 3264 /* 3265 * A kludge for Kensington device! 3266 * The MSB of the horizontal count appears to be stored in 3267 * a strange place. 3268 */ 3269 if (sc->hw.model == MOUSE_MODEL_THINK) 3270 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3271 3272 /* ignore the overflow bits... */ 3273 x = (c & MOUSE_PS2_XNEG) ? 3274 pb->ipacket[1] - 256 : pb->ipacket[1]; 3275 y = (c & MOUSE_PS2_YNEG) ? 3276 pb->ipacket[2] - 256 : pb->ipacket[2]; 3277 z = 0; 3278 ms.obutton = sc->button; /* previous button state */ 3279 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3280 /* `tapping' action */ 3281 if (sc->config & PSM_CONFIG_FORCETAP) 3282 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3283 0 : MOUSE_BUTTON4DOWN; 3284 3285 switch (sc->hw.model) { 3286 3287 case MOUSE_MODEL_EXPLORER: 3288 /* 3289 * b7 b6 b5 b4 b3 b2 b1 b0 3290 * byte 1: oy ox sy sx 1 M R L 3291 * byte 2: x x x x x x x x 3292 * byte 3: y y y y y y y y 3293 * byte 4: * * S2 S1 s d2 d1 d0 3294 * 3295 * L, M, R, S1, S2: left, middle, right and side buttons 3296 * s: wheel data sign bit 3297 * d2-d0: wheel data 3298 */ 3299 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3300 (pb->ipacket[3] & 0x0f) - 16 : 3301 (pb->ipacket[3] & 0x0f); 3302 ms.button |= 3303 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3304 MOUSE_BUTTON4DOWN : 0; 3305 ms.button |= 3306 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3307 MOUSE_BUTTON5DOWN : 0; 3308 break; 3309 3310 case MOUSE_MODEL_INTELLI: 3311 case MOUSE_MODEL_NET: 3312 /* wheel data is in the fourth byte */ 3313 z = (char)pb->ipacket[3]; 3314 /* 3315 * XXX some mice may send 7 when there is no Z movement? */ 3316 if ((z >= 7) || (z <= -7)) 3317 z = 0; 3318 /* some compatible mice have additional buttons */ 3319 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3320 MOUSE_BUTTON4DOWN : 0; 3321 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3322 MOUSE_BUTTON5DOWN : 0; 3323 break; 3324 3325 case MOUSE_MODEL_MOUSEMANPLUS: 3326 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3327 break; 3328 3329 case MOUSE_MODEL_GLIDEPOINT: 3330 /* `tapping' action */ 3331 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3332 MOUSE_BUTTON4DOWN; 3333 break; 3334 3335 case MOUSE_MODEL_NETSCROLL: 3336 /* 3337 * three addtional bytes encode buttons and 3338 * wheel events 3339 */ 3340 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3341 MOUSE_BUTTON4DOWN : 0; 3342 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3343 MOUSE_BUTTON5DOWN : 0; 3344 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3345 pb->ipacket[4] - 256 : pb->ipacket[4]; 3346 break; 3347 3348 case MOUSE_MODEL_THINK: 3349 /* the fourth button state in the first byte */ 3350 ms.button |= (c & MOUSE_PS2_TAP) ? 3351 MOUSE_BUTTON4DOWN : 0; 3352 break; 3353 3354 case MOUSE_MODEL_VERSAPAD: 3355 proc_versapad(sc, pb, &ms, &x, &y, &z); 3356 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3357 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3358 break; 3359 3360 case MOUSE_MODEL_4D: 3361 /* 3362 * b7 b6 b5 b4 b3 b2 b1 b0 3363 * byte 1: s2 d2 s1 d1 1 M R L 3364 * byte 2: sx x x x x x x x 3365 * byte 3: sy y y y y y y y 3366 * 3367 * s1: wheel 1 direction 3368 * d1: wheel 1 data 3369 * s2: wheel 2 direction 3370 * d2: wheel 2 data 3371 */ 3372 x = (pb->ipacket[1] & 0x80) ? 3373 pb->ipacket[1] - 256 : pb->ipacket[1]; 3374 y = (pb->ipacket[2] & 0x80) ? 3375 pb->ipacket[2] - 256 : pb->ipacket[2]; 3376 switch (c & MOUSE_4D_WHEELBITS) { 3377 case 0x10: 3378 z = 1; 3379 break; 3380 case 0x30: 3381 z = -1; 3382 break; 3383 case 0x40: /* XXX 2nd wheel turning right */ 3384 z = 2; 3385 break; 3386 case 0xc0: /* XXX 2nd wheel turning left */ 3387 z = -2; 3388 break; 3389 } 3390 break; 3391 3392 case MOUSE_MODEL_4DPLUS: 3393 if ((x < 16 - 256) && (y < 16 - 256)) { 3394 /* 3395 * b7 b6 b5 b4 b3 b2 b1 b0 3396 * byte 1: 0 0 1 1 1 M R L 3397 * byte 2: 0 0 0 0 1 0 0 0 3398 * byte 3: 0 0 0 0 S s d1 d0 3399 * 3400 * L, M, R, S: left, middle, right, 3401 * and side buttons 3402 * s: wheel data sign bit 3403 * d1-d0: wheel data 3404 */ 3405 x = y = 0; 3406 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3407 ms.button |= MOUSE_BUTTON4DOWN; 3408 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3409 ((pb->ipacket[2] & 0x07) - 8) : 3410 (pb->ipacket[2] & 0x07) ; 3411 } else { 3412 /* preserve previous button states */ 3413 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3414 } 3415 break; 3416 3417 case MOUSE_MODEL_SYNAPTICS: 3418 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3419 goto next; 3420 break; 3421 3422 case MOUSE_MODEL_GENERIC: 3423 default: 3424 break; 3425 } 3426 3427 /* scale values */ 3428 if (sc->mode.accelfactor >= 1) { 3429 if (x != 0) { 3430 x = x * x / sc->mode.accelfactor; 3431 if (x == 0) 3432 x = 1; 3433 if (c & MOUSE_PS2_XNEG) 3434 x = -x; 3435 } 3436 if (y != 0) { 3437 y = y * y / sc->mode.accelfactor; 3438 if (y == 0) 3439 y = 1; 3440 if (c & MOUSE_PS2_YNEG) 3441 y = -y; 3442 } 3443 } 3444 3445 ms.dx = x; 3446 ms.dy = y; 3447 ms.dz = z; 3448 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3449 (ms.obutton ^ ms.button); 3450 3451 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3452 3453 sc->status.flags |= ms.flags; 3454 sc->status.dx += ms.dx; 3455 sc->status.dy += ms.dy; 3456 sc->status.dz += ms.dz; 3457 sc->status.button = ms.button; 3458 sc->button = ms.button; 3459 3460 next_native: 3461 sc->watchdog = FALSE; 3462 3463 /* queue data */ 3464 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3465 l = imin(pb->inputbytes, 3466 sizeof(sc->queue.buf) - sc->queue.tail); 3467 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3468 if (pb->inputbytes > l) 3469 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3470 pb->inputbytes - l); 3471 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3472 sizeof(sc->queue.buf); 3473 sc->queue.count += pb->inputbytes; 3474 } 3475 pb->inputbytes = 0; 3476 3477 next: 3478 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3479 sc->pqueue_start = 0; 3480 } while (sc->pqueue_start != sc->pqueue_end); 3481 3482 if (sc->state & PSM_ASLP) { 3483 sc->state &= ~PSM_ASLP; 3484 wakeup(sc); 3485 } 3486 KNOTE(&sc->rkq.ki_note, 0); 3487 3488 sc->state &= ~PSM_SOFTARMED; 3489 crit_exit(); 3490 } 3491 3492 static struct filterops psmfiltops = 3493 { FILTEROP_ISFD, NULL, psmfilter_detach, psmfilter }; 3494 3495 static int 3496 psmkqfilter(struct dev_kqfilter_args *ap) 3497 { 3498 cdev_t dev = ap->a_head.a_dev; 3499 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 3500 struct knote *kn = ap->a_kn; 3501 struct klist *klist; 3502 3503 ap->a_result = 0; 3504 3505 switch (kn->kn_filter) { 3506 case EVFILT_READ: 3507 kn->kn_fop = &psmfiltops; 3508 kn->kn_hook = (caddr_t)sc; 3509 break; 3510 default: 3511 ap->a_result = EOPNOTSUPP; 3512 return (0); 3513 } 3514 3515 klist = &sc->rkq.ki_note; 3516 knote_insert(klist, kn); 3517 3518 return (0); 3519 } 3520 3521 static void 3522 psmfilter_detach(struct knote *kn) 3523 { 3524 struct psm_softc *sc = (struct psm_softc *)kn->kn_hook; 3525 struct klist *klist; 3526 3527 klist = &sc->rkq.ki_note; 3528 knote_remove(klist, kn); 3529 } 3530 3531 static int 3532 psmfilter(struct knote *kn, long hint) 3533 { 3534 struct psm_softc *sc = (struct psm_softc *)kn->kn_hook; 3535 int ready = 0; 3536 3537 crit_enter(); 3538 if (sc->queue.count > 0) 3539 ready = 1; 3540 crit_exit(); 3541 3542 return (ready); 3543 } 3544 3545 /* vendor/model specific routines */ 3546 3547 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3548 { 3549 if (set_mouse_resolution(kbdc, res) != res) 3550 return (FALSE); 3551 if (set_mouse_scaling(kbdc, scale) && 3552 set_mouse_scaling(kbdc, scale) && 3553 set_mouse_scaling(kbdc, scale) && 3554 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3555 return (TRUE); 3556 return (FALSE); 3557 } 3558 3559 static int 3560 mouse_ext_command(KBDC kbdc, int command) 3561 { 3562 int c; 3563 3564 c = (command >> 6) & 0x03; 3565 if (set_mouse_resolution(kbdc, c) != c) 3566 return (FALSE); 3567 c = (command >> 4) & 0x03; 3568 if (set_mouse_resolution(kbdc, c) != c) 3569 return (FALSE); 3570 c = (command >> 2) & 0x03; 3571 if (set_mouse_resolution(kbdc, c) != c) 3572 return (FALSE); 3573 c = (command >> 0) & 0x03; 3574 if (set_mouse_resolution(kbdc, c) != c) 3575 return (FALSE); 3576 return (TRUE); 3577 } 3578 3579 #ifdef notyet 3580 /* Logitech MouseMan Cordless II */ 3581 static int 3582 enable_lcordless(struct psm_softc *sc) 3583 { 3584 int status[3]; 3585 int ch; 3586 3587 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 3588 return (FALSE); 3589 if (status[1] == PSMD_RES_HIGH) 3590 return (FALSE); 3591 ch = (status[0] & 0x07) - 1; /* channel # */ 3592 if ((ch <= 0) || (ch > 4)) 3593 return (FALSE); 3594 /* 3595 * status[1]: always one? 3596 * status[2]: battery status? (0-100) 3597 */ 3598 return (TRUE); 3599 } 3600 #endif /* notyet */ 3601 3602 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3603 static int 3604 enable_groller(struct psm_softc *sc) 3605 { 3606 int status[3]; 3607 3608 /* 3609 * The special sequence to enable the fourth button and the 3610 * roller. Immediately after this sequence check status bytes. 3611 * if the mouse is NetScroll, the second and the third bytes are 3612 * '3' and 'D'. 3613 */ 3614 3615 /* 3616 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3617 * look like the following. 3618 * 3619 * byte 1 bit 7 always 0 3620 * bit 6 stream mode (0) 3621 * bit 5 disabled (0) 3622 * bit 4 1:1 scaling (0) 3623 * bit 3 always 0 3624 * bit 0-2 button status 3625 * byte 2 resolution (PSMD_RES_HIGH) 3626 * byte 3 report rate (?) 3627 */ 3628 3629 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3630 return (FALSE); 3631 if ((status[1] != '3') || (status[2] != 'D')) 3632 return (FALSE); 3633 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3634 sc->hw.buttons = 4; 3635 return (TRUE); 3636 } 3637 3638 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3639 static int 3640 enable_gmouse(struct psm_softc *sc) 3641 { 3642 int status[3]; 3643 3644 /* 3645 * The special sequence to enable the middle, "rubber" button. 3646 * Immediately after this sequence check status bytes. 3647 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3648 * the second and the third bytes are '3' and 'U'. 3649 * NOTE: NetMouse reports that it has three buttons although it has 3650 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3651 * say they have three buttons too and they do have a button on the 3652 * side... 3653 */ 3654 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3655 return (FALSE); 3656 if ((status[1] != '3') || (status[2] != 'U')) 3657 return (FALSE); 3658 return (TRUE); 3659 } 3660 3661 /* ALPS GlidePoint */ 3662 static int 3663 enable_aglide(struct psm_softc *sc) 3664 { 3665 int status[3]; 3666 3667 /* 3668 * The special sequence to obtain ALPS GlidePoint specific 3669 * information. Immediately after this sequence, status bytes will 3670 * contain something interesting. 3671 * NOTE: ALPS produces several models of GlidePoint. Some of those 3672 * do not respond to this sequence, thus, cannot be detected this way. 3673 */ 3674 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 3675 return (FALSE); 3676 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 3677 return (FALSE); 3678 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3679 return (FALSE); 3680 return (TRUE); 3681 } 3682 3683 /* Kensington ThinkingMouse/Trackball */ 3684 static int 3685 enable_kmouse(struct psm_softc *sc) 3686 { 3687 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3688 KBDC kbdc = sc->kbdc; 3689 int status[3]; 3690 int id1; 3691 int id2; 3692 int i; 3693 3694 id1 = get_aux_id(kbdc); 3695 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3696 return (FALSE); 3697 /* 3698 * The device is now in the native mode? It returns a different 3699 * ID value... 3700 */ 3701 id2 = get_aux_id(kbdc); 3702 if ((id1 == id2) || (id2 != 2)) 3703 return (FALSE); 3704 3705 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3706 return (FALSE); 3707 #if PSM_DEBUG >= 2 3708 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3709 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3710 return (FALSE); 3711 #endif 3712 3713 /* 3714 * The special sequence to enable the third and fourth buttons. 3715 * Otherwise they behave like the first and second buttons. 3716 */ 3717 for (i = 0; i < NELEM(rate); ++i) 3718 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3719 return (FALSE); 3720 3721 /* 3722 * At this point, the device is using default resolution and 3723 * sampling rate for the native mode. 3724 */ 3725 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3726 return (FALSE); 3727 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3728 return (FALSE); 3729 3730 /* the device appears be enabled by this sequence, diable it for now */ 3731 disable_aux_dev(kbdc); 3732 empty_aux_buffer(kbdc, 5); 3733 3734 return (TRUE); 3735 } 3736 3737 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3738 static int 3739 enable_mmanplus(struct psm_softc *sc) 3740 { 3741 KBDC kbdc = sc->kbdc; 3742 int data[3]; 3743 3744 /* the special sequence to enable the fourth button and the roller. */ 3745 /* 3746 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3747 * must be called exactly three times since the last RESET command 3748 * before this sequence. XXX 3749 */ 3750 if (!set_mouse_scaling(kbdc, 1)) 3751 return (FALSE); 3752 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3753 return (FALSE); 3754 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3755 return (FALSE); 3756 3757 /* 3758 * PS2++ protocl, packet type 0 3759 * 3760 * b7 b6 b5 b4 b3 b2 b1 b0 3761 * byte 1: * 1 p3 p2 1 * * * 3762 * byte 2: 1 1 p1 p0 m1 m0 1 0 3763 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3764 * 3765 * p3-p0: packet type: 0 3766 * m7-m0: model ID: MouseMan+:0x50, 3767 * FirstMouse+:0x51, 3768 * ScrollPoint:0x58... 3769 */ 3770 /* check constant bits */ 3771 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3772 return (FALSE); 3773 if ((data[1] & 0xc3) != 0xc2) 3774 return (FALSE); 3775 /* check d3-d0 in byte 2 */ 3776 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3777 return (FALSE); 3778 /* check p3-p0 */ 3779 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3780 return (FALSE); 3781 3782 sc->hw.hwid &= 0x00ff; 3783 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3784 3785 /* 3786 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3787 * the wheel and the fourth button events are encoded in the 3788 * special data packet. The mouse may be put in the IntelliMouse mode 3789 * if it is initialized by the IntelliMouse's method. 3790 */ 3791 return (TRUE); 3792 } 3793 3794 /* MS IntelliMouse Explorer */ 3795 static int 3796 enable_msexplorer(struct psm_softc *sc) 3797 { 3798 static u_char rate0[] = { 200, 100, 80, }; 3799 static u_char rate1[] = { 200, 200, 80, }; 3800 KBDC kbdc = sc->kbdc; 3801 int id; 3802 int i; 3803 3804 /* 3805 * This is needed for at least A4Tech X-7xx mice - they do not go 3806 * straight to Explorer mode, but need to be set to Intelli mode 3807 * first. 3808 */ 3809 enable_msintelli(sc); 3810 3811 /* the special sequence to enable the extra buttons and the roller. */ 3812 for (i = 0; i < NELEM(rate1); ++i) 3813 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3814 return (FALSE); 3815 /* the device will give the genuine ID only after the above sequence */ 3816 id = get_aux_id(kbdc); 3817 if (id != PSM_EXPLORER_ID) 3818 return (FALSE); 3819 3820 sc->hw.hwid = id; 3821 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3822 3823 /* 3824 * XXX: this is a kludge to fool some KVM switch products 3825 * which think they are clever enough to know the 4-byte IntelliMouse 3826 * protocol, and assume any other protocols use 3-byte packets. 3827 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3828 * correctly to the host computer because of this! 3829 * The following sequence is actually IntelliMouse's "wake up" 3830 * sequence; it will make the KVM think the mouse is IntelliMouse 3831 * when it is in fact IntelliMouse Explorer. 3832 */ 3833 for (i = 0; i < NELEM(rate0); ++i) 3834 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3835 break; 3836 id = get_aux_id(kbdc); 3837 3838 return (TRUE); 3839 } 3840 3841 /* MS IntelliMouse */ 3842 static int 3843 enable_msintelli(struct psm_softc *sc) 3844 { 3845 /* 3846 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3847 * probe routine and act like IntelliMouse. 3848 */ 3849 3850 static u_char rate[] = { 200, 100, 80, }; 3851 KBDC kbdc = sc->kbdc; 3852 int id; 3853 int i; 3854 3855 /* the special sequence to enable the third button and the roller. */ 3856 for (i = 0; i < NELEM(rate); ++i) 3857 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3858 return (FALSE); 3859 /* the device will give the genuine ID only after the above sequence */ 3860 id = get_aux_id(kbdc); 3861 if (id != PSM_INTELLI_ID) 3862 return (FALSE); 3863 3864 sc->hw.hwid = id; 3865 sc->hw.buttons = 3; 3866 3867 return (TRUE); 3868 } 3869 3870 /* A4 Tech 4D Mouse */ 3871 static int 3872 enable_4dmouse(struct psm_softc *sc) 3873 { 3874 /* 3875 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3876 */ 3877 3878 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3879 KBDC kbdc = sc->kbdc; 3880 int id; 3881 int i; 3882 3883 for (i = 0; i < NELEM(rate); ++i) 3884 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3885 return (FALSE); 3886 id = get_aux_id(kbdc); 3887 /* 3888 * WinEasy 4D, 4 Way Scroll 4D: 6 3889 * Cable-Free 4D: 8 (4DPLUS) 3890 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3891 */ 3892 if (id != PSM_4DMOUSE_ID) 3893 return (FALSE); 3894 3895 sc->hw.hwid = id; 3896 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3897 3898 return (TRUE); 3899 } 3900 3901 /* A4 Tech 4D+ Mouse */ 3902 static int 3903 enable_4dplus(struct psm_softc *sc) 3904 { 3905 /* 3906 * Newer wheel mice from A4 Tech seem to use this protocol. 3907 * Older models are recognized as either 4D Mouse or IntelliMouse. 3908 */ 3909 KBDC kbdc = sc->kbdc; 3910 int id; 3911 3912 /* 3913 * enable_4dmouse() already issued the following ID sequence... 3914 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3915 int i; 3916 3917 for (i = 0; i < NELEM(rate); ++i) 3918 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3919 return (FALSE); 3920 */ 3921 3922 id = get_aux_id(kbdc); 3923 switch (id) { 3924 case PSM_4DPLUS_ID: 3925 sc->hw.buttons = 4; 3926 break; 3927 case PSM_4DPLUS_RFSW35_ID: 3928 sc->hw.buttons = 3; 3929 break; 3930 default: 3931 return (FALSE); 3932 } 3933 3934 sc->hw.hwid = id; 3935 3936 return (TRUE); 3937 } 3938 3939 /* Synaptics Touchpad */ 3940 static int 3941 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 3942 { 3943 int error, arg; 3944 3945 /* Read the current value. */ 3946 arg = *(int *)oidp->oid_arg1; 3947 error = sysctl_handle_int(oidp, &arg, 0, req); 3948 3949 /* Sanity check. */ 3950 if (error || !req->newptr) 3951 return (error); 3952 3953 /* 3954 * Check that the new value is in the concerned node's range 3955 * of values. 3956 */ 3957 switch (oidp->oid_arg2) { 3958 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 3959 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 3960 if (arg < 0 || arg > 255) 3961 return (EINVAL); 3962 break; 3963 case SYNAPTICS_SYSCTL_MAX_WIDTH: 3964 if (arg < 4 || arg > 15) 3965 return (EINVAL); 3966 break; 3967 case SYNAPTICS_SYSCTL_MARGIN_TOP: 3968 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 3969 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 3970 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 3971 case SYNAPTICS_SYSCTL_NA_TOP: 3972 case SYNAPTICS_SYSCTL_NA_RIGHT: 3973 case SYNAPTICS_SYSCTL_NA_BOTTOM: 3974 case SYNAPTICS_SYSCTL_NA_LEFT: 3975 if (arg < 0 || arg > 6143) 3976 return (EINVAL); 3977 break; 3978 case SYNAPTICS_SYSCTL_WINDOW_MIN: 3979 case SYNAPTICS_SYSCTL_WINDOW_MAX: 3980 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 3981 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 3982 return (EINVAL); 3983 break; 3984 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 3985 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 3986 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 3987 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 3988 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 3989 case SYNAPTICS_SYSCTL_DIV_MIN: 3990 case SYNAPTICS_SYSCTL_DIV_MAX: 3991 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 3992 case SYNAPTICS_SYSCTL_DIV_LEN: 3993 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 3994 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 3995 if (arg < 1) 3996 return (EINVAL); 3997 break; 3998 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 3999 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 4000 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 4001 if (arg < 0) 4002 return (EINVAL); 4003 break; 4004 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 4005 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 4006 if (arg < -6143 || arg > 6143) 4007 return (EINVAL); 4008 break; 4009 default: 4010 return (EINVAL); 4011 } 4012 4013 /* Update. */ 4014 *(int *)oidp->oid_arg1 = arg; 4015 4016 return (error); 4017 } 4018 4019 static void 4020 synaptics_sysctl_create_tree(struct psm_softc *sc) 4021 { 4022 4023 if (sc->syninfo.sysctl_tree != NULL) 4024 return; 4025 4026 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 4027 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 4028 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 4029 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 4030 0, "Synaptics TouchPad"); 4031 4032 /* hw.psm.synaptics.directional_scrolls. */ 4033 sc->syninfo.directional_scrolls = 1; 4034 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4035 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4036 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4037 &sc->syninfo.directional_scrolls, 0, 4038 "Enable hardware scrolling pad (if non-zero) or register it as " 4039 "a middle-click (if 0)"); 4040 4041 /* hw.psm.synaptics.min_pressure. */ 4042 sc->syninfo.min_pressure = 16; 4043 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4044 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4045 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4046 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4047 synaptics_sysctl, "I", 4048 "Minimum pressure required to start an action"); 4049 4050 /* hw.psm.synaptics.max_pressure. */ 4051 sc->syninfo.max_pressure = 220; 4052 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4053 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4054 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4055 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4056 synaptics_sysctl, "I", 4057 "Maximum pressure to detect palm"); 4058 4059 /* hw.psm.synaptics.max_width. */ 4060 sc->syninfo.max_width = 10; 4061 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4062 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4063 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4064 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4065 synaptics_sysctl, "I", 4066 "Maximum finger width to detect palm"); 4067 4068 /* hw.psm.synaptics.top_margin. */ 4069 sc->syninfo.margin_top = 200; 4070 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4071 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4072 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4073 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4074 synaptics_sysctl, "I", 4075 "Top margin"); 4076 4077 /* hw.psm.synaptics.right_margin. */ 4078 sc->syninfo.margin_right = 200; 4079 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4080 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4081 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4082 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4083 synaptics_sysctl, "I", 4084 "Right margin"); 4085 4086 /* hw.psm.synaptics.bottom_margin. */ 4087 sc->syninfo.margin_bottom = 200; 4088 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4089 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4090 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4091 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4092 synaptics_sysctl, "I", 4093 "Bottom margin"); 4094 4095 /* hw.psm.synaptics.left_margin. */ 4096 sc->syninfo.margin_left = 200; 4097 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4098 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4099 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4100 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4101 synaptics_sysctl, "I", 4102 "Left margin"); 4103 4104 /* hw.psm.synaptics.na_top. */ 4105 sc->syninfo.na_top = 1783; 4106 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4107 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4108 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4109 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4110 synaptics_sysctl, "I", 4111 "Top noisy area, where weight_previous_na is used instead " 4112 "of weight_previous"); 4113 4114 /* hw.psm.synaptics.na_right. */ 4115 sc->syninfo.na_right = 563; 4116 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4117 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4118 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4119 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4120 synaptics_sysctl, "I", 4121 "Right noisy area, where weight_previous_na is used instead " 4122 "of weight_previous"); 4123 4124 /* hw.psm.synaptics.na_bottom. */ 4125 sc->syninfo.na_bottom = 1408; 4126 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4127 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4128 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4129 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4130 synaptics_sysctl, "I", 4131 "Bottom noisy area, where weight_previous_na is used instead " 4132 "of weight_previous"); 4133 4134 /* hw.psm.synaptics.na_left. */ 4135 sc->syninfo.na_left = 1600; 4136 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4137 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4138 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4139 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4140 synaptics_sysctl, "I", 4141 "Left noisy area, where weight_previous_na is used instead " 4142 "of weight_previous"); 4143 4144 /* hw.psm.synaptics.window_min. */ 4145 sc->syninfo.window_min = 4; 4146 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4147 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4148 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4149 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4150 synaptics_sysctl, "I", 4151 "Minimum window size to start an action"); 4152 4153 /* hw.psm.synaptics.window_max. */ 4154 sc->syninfo.window_max = 10; 4155 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4156 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4157 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4158 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4159 synaptics_sysctl, "I", 4160 "Maximum window size"); 4161 4162 /* hw.psm.synaptics.multiplicator. */ 4163 sc->syninfo.multiplicator = 10000; 4164 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4165 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4166 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4167 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4168 synaptics_sysctl, "I", 4169 "Multiplicator to increase precision in averages and divisions"); 4170 4171 /* hw.psm.synaptics.weight_current. */ 4172 sc->syninfo.weight_current = 3; 4173 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4174 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4175 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4176 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4177 synaptics_sysctl, "I", 4178 "Weight of the current movement in the new average"); 4179 4180 /* hw.psm.synaptics.weight_previous. */ 4181 sc->syninfo.weight_previous = 6; 4182 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4183 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4184 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4185 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4186 synaptics_sysctl, "I", 4187 "Weight of the previous average"); 4188 4189 /* hw.psm.synaptics.weight_previous_na. */ 4190 sc->syninfo.weight_previous_na = 20; 4191 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4192 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4193 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4194 &sc->syninfo.weight_previous_na, 4195 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4196 synaptics_sysctl, "I", 4197 "Weight of the previous average (inside the noisy area)"); 4198 4199 /* hw.psm.synaptics.weight_len_squared. */ 4200 sc->syninfo.weight_len_squared = 2000; 4201 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4202 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4203 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4204 &sc->syninfo.weight_len_squared, 4205 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4206 synaptics_sysctl, "I", 4207 "Length (squared) of segments where weight_previous " 4208 "starts to decrease"); 4209 4210 /* hw.psm.synaptics.div_min. */ 4211 sc->syninfo.div_min = 9; 4212 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4213 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4214 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4215 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4216 synaptics_sysctl, "I", 4217 "Divisor for fast movements"); 4218 4219 /* hw.psm.synaptics.div_max. */ 4220 sc->syninfo.div_max = 17; 4221 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4222 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4223 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4224 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4225 synaptics_sysctl, "I", 4226 "Divisor for slow movements"); 4227 4228 /* hw.psm.synaptics.div_max_na. */ 4229 sc->syninfo.div_max_na = 30; 4230 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4231 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4232 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4233 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4234 synaptics_sysctl, "I", 4235 "Divisor with slow movements (inside the noisy area)"); 4236 4237 /* hw.psm.synaptics.div_len. */ 4238 sc->syninfo.div_len = 100; 4239 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4240 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4241 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4242 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4243 synaptics_sysctl, "I", 4244 "Length of segments where div_max starts to decrease"); 4245 4246 /* hw.psm.synaptics.tap_max_delta. */ 4247 sc->syninfo.tap_max_delta = 80; 4248 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4249 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4250 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4251 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4252 synaptics_sysctl, "I", 4253 "Length of segments above which a tap is ignored"); 4254 4255 /* hw.psm.synaptics.tap_min_queue. */ 4256 sc->syninfo.tap_min_queue = 2; 4257 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4258 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4259 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4260 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4261 synaptics_sysctl, "I", 4262 "Number of packets required to consider a tap"); 4263 4264 /* hw.psm.synaptics.taphold_timeout. */ 4265 sc->synaction.in_taphold = 0; 4266 sc->syninfo.taphold_timeout = tap_timeout; 4267 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4268 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4269 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4270 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4271 synaptics_sysctl, "I", 4272 "Maximum elapsed time between two taps to consider a tap-hold " 4273 "action"); 4274 4275 /* hw.psm.synaptics.vscroll_hor_area. */ 4276 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4277 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4278 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4279 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4280 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4281 synaptics_sysctl, "I", 4282 "Area reserved for horizontal virtual scrolling"); 4283 4284 /* hw.psm.synaptics.vscroll_ver_area. */ 4285 sc->syninfo.vscroll_ver_area = -600; 4286 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4287 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4288 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4289 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4290 synaptics_sysctl, "I", 4291 "Area reserved for vertical virtual scrolling"); 4292 4293 /* hw.psm.synaptics.vscroll_min_delta. */ 4294 sc->syninfo.vscroll_min_delta = 50; 4295 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4296 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4297 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4298 &sc->syninfo.vscroll_min_delta, 4299 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4300 synaptics_sysctl, "I", 4301 "Minimum movement to consider virtual scrolling"); 4302 4303 /* hw.psm.synaptics.vscroll_div_min. */ 4304 sc->syninfo.vscroll_div_min = 100; 4305 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4306 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4307 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4308 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4309 synaptics_sysctl, "I", 4310 "Divisor for fast scrolling"); 4311 4312 /* hw.psm.synaptics.vscroll_div_min. */ 4313 sc->syninfo.vscroll_div_max = 150; 4314 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4315 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4316 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4317 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4318 synaptics_sysctl, "I", 4319 "Divisor for slow scrolling"); 4320 } 4321 4322 static int 4323 enable_synaptics(struct psm_softc *sc) 4324 { 4325 int status[3]; 4326 KBDC kbdc; 4327 4328 if (!synaptics_support) 4329 return (FALSE); 4330 4331 kbdc = sc->kbdc; 4332 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4333 sc->hw.buttons = 3; 4334 sc->squelch = 0; 4335 4336 /* 4337 * Just to be on the safe side: this avoids troubles with 4338 * following mouse_ext_command() when the previous command 4339 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4340 * Synaptics Touchpad behaviour. 4341 */ 4342 set_mouse_scaling(kbdc, 1); 4343 4344 /* Identify the Touchpad version. */ 4345 if (mouse_ext_command(kbdc, 0) == 0) 4346 return (FALSE); 4347 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4348 return (FALSE); 4349 if (status[1] != 0x47) 4350 return (FALSE); 4351 4352 sc->synhw.infoMinor = status[0]; 4353 sc->synhw.infoMajor = status[2] & 0x0f; 4354 4355 if (verbose >= 2) 4356 kprintf("Synaptics Touchpad v%d.%d\n", sc->synhw.infoMajor, 4357 sc->synhw.infoMinor); 4358 4359 if (sc->synhw.infoMajor < 4) { 4360 kprintf(" Unsupported (pre-v4) Touchpad detected\n"); 4361 return (FALSE); 4362 } 4363 4364 /* Get the Touchpad model information. */ 4365 if (mouse_ext_command(kbdc, 3) == 0) 4366 return (FALSE); 4367 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4368 return (FALSE); 4369 if ((status[1] & 0x01) != 0) { 4370 kprintf(" Failed to read model information\n"); 4371 return (FALSE); 4372 } 4373 4374 sc->synhw.infoRot180 = (status[0] & 0x80) >> 7; 4375 sc->synhw.infoPortrait = (status[0] & 0x40) >> 6; 4376 sc->synhw.infoSensor = status[0] & 0x3f; 4377 sc->synhw.infoHardware = (status[1] & 0xfe) >> 1; 4378 sc->synhw.infoNewAbs = (status[2] & 0x80) >> 7; 4379 sc->synhw.capPen = (status[2] & 0x40) >> 6; 4380 sc->synhw.infoSimplC = (status[2] & 0x20) >> 5; 4381 sc->synhw.infoGeometry = status[2] & 0x0f; 4382 4383 if (verbose >= 2) { 4384 kprintf(" Model information:\n"); 4385 kprintf(" infoRot180: %d\n", sc->synhw.infoRot180); 4386 kprintf(" infoPortrait: %d\n", sc->synhw.infoPortrait); 4387 kprintf(" infoSensor: %d\n", sc->synhw.infoSensor); 4388 kprintf(" infoHardware: %d\n", sc->synhw.infoHardware); 4389 kprintf(" infoNewAbs: %d\n", sc->synhw.infoNewAbs); 4390 kprintf(" capPen: %d\n", sc->synhw.capPen); 4391 kprintf(" infoSimplC: %d\n", sc->synhw.infoSimplC); 4392 kprintf(" infoGeometry: %d\n", sc->synhw.infoGeometry); 4393 } 4394 4395 /* Read the extended capability bits. */ 4396 if (mouse_ext_command(kbdc, 2) == 0) 4397 return (FALSE); 4398 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4399 return (FALSE); 4400 if (!SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) && status[1] != 0x47) { 4401 kprintf(" Failed to read extended capability bits\n"); 4402 return (FALSE); 4403 } 4404 4405 /* Set the different capabilities when they exist. */ 4406 if ((status[0] & 0x80) >> 7) { 4407 sc->synhw.capExtended = (status[0] & 0x80) >> 7; 4408 sc->synhw.capPassthrough = (status[2] & 0x80) >> 7; 4409 sc->synhw.capSleep = (status[2] & 0x10) >> 4; 4410 sc->synhw.capFourButtons = (status[2] & 0x08) >> 3; 4411 sc->synhw.capMultiFinger = (status[2] & 0x02) >> 1; 4412 sc->synhw.capPalmDetect = (status[2] & 0x01); 4413 4414 if (verbose >= 2) { 4415 kprintf(" Extended capabilities:\n"); 4416 kprintf(" capExtended: %d\n", sc->synhw.capExtended); 4417 kprintf(" capPassthrough: %d\n", 4418 sc->synhw.capPassthrough); 4419 kprintf(" capSleep: %d\n", sc->synhw.capSleep); 4420 kprintf(" capFourButtons: %d\n", 4421 sc->synhw.capFourButtons); 4422 kprintf(" capMultiFinger: %d\n", 4423 sc->synhw.capMultiFinger); 4424 kprintf(" capPalmDetect: %d\n", 4425 sc->synhw.capPalmDetect); 4426 } 4427 4428 /* 4429 * If we have bits set in status[0] & 0x70, then we can load 4430 * more information about buttons using query 0x09. 4431 */ 4432 if (status[0] & 0x70) { 4433 if (mouse_ext_command(kbdc, 0x09) == 0) 4434 return (FALSE); 4435 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4436 return (FALSE); 4437 sc->hw.buttons = ((status[1] & 0xf0) >> 4) + 3; 4438 if (verbose >= 2) 4439 kprintf(" Additional Buttons: %d\n", 4440 sc->hw.buttons -3); 4441 } 4442 } else { 4443 sc->synhw.capExtended = 0; 4444 4445 if (verbose >= 2) 4446 kprintf(" No extended capabilities\n"); 4447 } 4448 4449 /* 4450 * Read the mode byte. 4451 * 4452 * XXX: Note the Synaptics documentation also defines the first 4453 * byte of the response to this query to be a constant 0x3b, this 4454 * does not appear to be true for Touchpads with guest devices. 4455 */ 4456 if (mouse_ext_command(kbdc, 1) == 0) 4457 return (FALSE); 4458 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4459 return (FALSE); 4460 if (!SYNAPTICS_VERSION_GE(sc->synhw, 7, 5) && status[1] != 0x47) { 4461 kprintf(" Failed to read mode byte\n"); 4462 return (FALSE); 4463 } 4464 4465 /* Set the mode byte; request wmode where available. */ 4466 if (sc->synhw.capExtended) 4467 mouse_ext_command(kbdc, 0xc1); 4468 else 4469 mouse_ext_command(kbdc, 0xc0); 4470 4471 /* "Commit" the Set Mode Byte command sent above. */ 4472 set_mouse_sampling_rate(kbdc, 20); 4473 4474 /* 4475 * Report the correct number of buttons 4476 * 4477 * XXX: I'm not sure this is used anywhere. 4478 */ 4479 if (sc->synhw.capExtended && sc->synhw.capFourButtons) 4480 sc->hw.buttons = 4; 4481 4482 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", 4483 sc->hw.buttons)); 4484 4485 /* Create sysctl tree. */ 4486 synaptics_sysctl_create_tree(sc); 4487 4488 /* 4489 * The touchpad will have to be reinitialized after 4490 * suspend/resume. 4491 */ 4492 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4493 4494 return (TRUE); 4495 } 4496 4497 /* Interlink electronics VersaPad */ 4498 static int 4499 enable_versapad(struct psm_softc *sc) 4500 { 4501 KBDC kbdc = sc->kbdc; 4502 int data[3]; 4503 4504 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 4505 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 4506 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4507 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4508 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4509 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4510 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 4511 return (FALSE); 4512 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 4513 return (FALSE); 4514 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4515 4516 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4517 4518 return (TRUE); /* PS/2 absolute mode */ 4519 } 4520 4521 /* 4522 * Return true if 'now' is earlier than (start + (secs.usecs)). 4523 * Now may be NULL and the function will fetch the current time from 4524 * getmicrouptime(), or a cached 'now' can be passed in. 4525 * All values should be numbers derived from getmicrouptime(). 4526 */ 4527 static int 4528 timeelapsed(const struct timeval *start, int secs, int usecs, 4529 const struct timeval *now) 4530 { 4531 struct timeval snow, tv; 4532 4533 /* if there is no 'now' passed in, the get it as a convience. */ 4534 if (now == NULL) { 4535 getmicrouptime(&snow); 4536 now = &snow; 4537 } 4538 4539 tv.tv_sec = secs; 4540 tv.tv_usec = usecs; 4541 timevaladd(&tv, start); 4542 return (timevalcmp(&tv, now, <)); 4543 } 4544 4545 static int 4546 psmresume(device_t dev) 4547 { 4548 struct psm_softc *sc = device_get_softc(dev); 4549 int unit = device_get_unit(dev); 4550 int err; 4551 4552 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 4553 4554 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 4555 return (0); 4556 4557 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 4558 4559 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 4560 /* 4561 * Release the blocked process; it must be notified that 4562 * the device cannot be accessed anymore. 4563 */ 4564 sc->state &= ~PSM_ASLP; 4565 wakeup(sc); 4566 } 4567 4568 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 4569 4570 return (err); 4571 } 4572 4573 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, NULL, NULL); 4574 4575 4576 #if 0 4577 /* 4578 * This sucks up assignments from PNPBIOS and ACPI. 4579 */ 4580 4581 /* 4582 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 4583 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 4584 * can be probed and attached only after the AT keyboard controller is 4585 * attached, we shall quietly reserve the IRQ resource for later use. 4586 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 4587 * copy the IRQ resource to the PS/2 mouse device instance hanging 4588 * under the keyboard controller, then probe and attach it. 4589 */ 4590 4591 static devclass_t psmcpnp_devclass; 4592 4593 static device_probe_t psmcpnp_probe; 4594 static device_attach_t psmcpnp_attach; 4595 4596 static device_method_t psmcpnp_methods[] = { 4597 DEVMETHOD(device_probe, psmcpnp_probe), 4598 DEVMETHOD(device_attach, psmcpnp_attach), 4599 4600 DEVMETHOD_END 4601 }; 4602 4603 static driver_t psmcpnp_driver = { 4604 PSMCPNP_DRIVER_NAME, 4605 psmcpnp_methods, 4606 1, /* no softc */ 4607 }; 4608 4609 static struct isa_pnp_id psmcpnp_ids[] = { 4610 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 4611 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 4612 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 4613 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 4614 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 4615 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 4616 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 4617 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 4618 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 4619 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 4620 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 4621 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 4622 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 4623 { 0 } 4624 }; 4625 4626 static int 4627 create_a_copy(device_t atkbdc, device_t me) 4628 { 4629 device_t psm; 4630 u_long irq; 4631 4632 /* find the PS/2 mouse device instance under the keyboard controller */ 4633 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 4634 device_get_unit(atkbdc)); 4635 if (psm == NULL) 4636 return (ENXIO); 4637 if (device_get_state(psm) != DS_NOTPRESENT) 4638 return (0); 4639 4640 /* move our resource to the found device */ 4641 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 4642 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1, 4643 machintr_legacy_intr_cpuid(irq)); 4644 4645 /* ...then probe and attach it */ 4646 return (device_probe_and_attach(psm)); 4647 } 4648 4649 static int 4650 psmcpnp_probe(device_t dev) 4651 { 4652 struct resource *res; 4653 u_long irq; 4654 int rid; 4655 4656 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 4657 return (ENXIO); 4658 4659 /* 4660 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 4661 * to the PS/2 mouse device node. But, some buggy PnP BIOS 4662 * declares the PS/2 mouse device node without an IRQ resource! 4663 * If this happens, we shall refer to device hints. 4664 * If we still don't find it there, use a hardcoded value... XXX 4665 */ 4666 rid = 0; 4667 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 4668 if (irq <= 0) { 4669 if (resource_long_value(PSM_DRIVER_NAME, 4670 device_get_unit(dev),"irq", &irq) != 0) 4671 irq = 12; /* XXX */ 4672 device_printf(dev, "irq resource info is missing; " 4673 "assuming irq %ld\n", irq); 4674 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1, 4675 machintr_legacy_intr_cpuid(irq)); 4676 } 4677 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4678 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 4679 4680 /* keep quiet */ 4681 if (!bootverbose) 4682 device_quiet(dev); 4683 4684 return ((res == NULL) ? ENXIO : 0); 4685 } 4686 4687 static int 4688 psmcpnp_attach(device_t dev) 4689 { 4690 device_t atkbdc; 4691 int rid; 4692 4693 /* find the keyboard controller, which may be on acpi* or isa* bus */ 4694 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 4695 device_get_unit(dev)); 4696 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 4697 create_a_copy(atkbdc, dev); 4698 else { 4699 /* 4700 * If we don't have the AT keyboard controller yet, 4701 * just reserve the IRQ for later use... 4702 * (See psmidentify() above.) 4703 */ 4704 rid = 0; 4705 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4706 } 4707 4708 return (0); 4709 } 4710 4711 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, NULL, NULL); 4712 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, NULL, NULL); 4713 #endif 4714