Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/dev/atkbdc/psm.c
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
1 /*- 2 * Copyright (c) 1992, 1993 Erik Forsberg. 3 * Copyright (c) 1996, 1997 Kazutaka YOKOTA. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 */ 23 /* 24 * Ported to 386bsd Oct 17, 1992 25 * Sandi Donno, Computer Science, University of Cape Town, South Africa 26 * Please send bug reports to sandi@cs.uct.ac.za 27 * 28 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 29 * although I was only partially successful in getting the alpha release 30 * of his "driver for the Logitech and ATI Inport Bus mice for use with 31 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 32 * found his code to be an invaluable reference when porting this driver 33 * to 386bsd. 34 * 35 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 36 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 37 * 38 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 39 * Andrew Herbert - 12 June 1993 40 * 41 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 42 * - 13 June 1993 43 * 44 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 45 * - 24 October 1993 46 * 47 * Hardware access routines and probe logic rewritten by 48 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 49 * - 3, 14, 22 October 1996. 50 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 51 * - 14, 30 November 1996. Uses `kbdio.c'. 52 * - 13 December 1996. Uses queuing version of `kbdio.c'. 53 * - January/February 1997. Tweaked probe logic for 54 * HiNote UltraII/Latitude/Armada laptops. 55 * - 30 July 1997. Added APM support. 56 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 57 * Improved sync check logic. 58 * Vendor specific support routines. 59 */ 60 61 #include <sys/cdefs.h> 62 __FBSDID("$FreeBSD: releng/7.3/sys/dev/atkbdc/psm.c 190017 2009-03-19 07:40:41Z rnoland $"); 63 64 #include "opt_isa.h" 65 #include "opt_psm.h" 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #include <sys/kernel.h> 70 #include <sys/module.h> 71 #include <sys/bus.h> 72 #include <sys/conf.h> 73 #include <sys/filio.h> 74 #include <sys/poll.h> 75 #include <sys/sigio.h> 76 #include <sys/signalvar.h> 77 #include <sys/syslog.h> 78 #include <machine/bus.h> 79 #include <sys/rman.h> 80 #include <sys/selinfo.h> 81 #include <sys/sysctl.h> 82 #include <sys/time.h> 83 #include <sys/uio.h> 84 85 #include <sys/limits.h> 86 #include <sys/mouse.h> 87 #include <machine/resource.h> 88 89 #ifdef DEV_ISA 90 #include <isa/isavar.h> 91 #endif 92 93 #include <dev/atkbdc/atkbdcreg.h> 94 #include <dev/atkbdc/psm.h> 95 96 /* 97 * Driver specific options: the following options may be set by 98 * `options' statements in the kernel configuration file. 99 */ 100 101 /* debugging */ 102 #ifndef PSM_DEBUG 103 #define PSM_DEBUG 0 /* 104 * logging: 0: none, 1: brief, 2: verbose 105 * 3: sync errors, 4: all packets 106 */ 107 #endif 108 #define VLOG(level, args) do { \ 109 if (verbose >= level) \ 110 log args; \ 111 } while (0) 112 113 #ifndef PSM_INPUT_TIMEOUT 114 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 115 #endif 116 117 #ifndef PSM_TAP_TIMEOUT 118 #define PSM_TAP_TIMEOUT 125000 119 #endif 120 121 #ifndef PSM_TAP_THRESHOLD 122 #define PSM_TAP_THRESHOLD 25 123 #endif 124 125 /* end of driver specific options */ 126 127 #define PSMCPNP_DRIVER_NAME "psmcpnp" 128 129 /* input queue */ 130 #define PSM_BUFSIZE 960 131 #define PSM_SMALLBUFSIZE 240 132 133 /* operation levels */ 134 #define PSM_LEVEL_BASE 0 135 #define PSM_LEVEL_STANDARD 1 136 #define PSM_LEVEL_NATIVE 2 137 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 138 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 139 140 /* Logitech PS2++ protocol */ 141 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 142 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 143 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 144 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 145 146 /* some macros */ 147 #define PSM_UNIT(dev) (minor(dev) >> 1) 148 #define PSM_NBLOCKIO(dev) (minor(dev) & 1) 149 #define PSM_MKMINOR(unit,block) (((unit) << 1) | ((block) ? 0:1)) 150 151 /* ring buffer */ 152 typedef struct ringbuf { 153 int count; /* # of valid elements in the buffer */ 154 int head; /* head pointer */ 155 int tail; /* tail poiner */ 156 u_char buf[PSM_BUFSIZE]; 157 } ringbuf_t; 158 159 /* data buffer */ 160 typedef struct packetbuf { 161 u_char ipacket[16]; /* interim input buffer */ 162 int inputbytes; /* # of bytes in the input buffer */ 163 } packetbuf_t; 164 165 #ifndef PSM_PACKETQUEUE 166 #define PSM_PACKETQUEUE 128 167 #endif 168 169 typedef struct synapticsinfo { 170 struct sysctl_ctx_list sysctl_ctx; 171 struct sysctl_oid *sysctl_tree; 172 int directional_scrolls; 173 int low_speed_threshold; 174 int min_movement; 175 int squelch_level; 176 } synapticsinfo_t; 177 178 /* driver control block */ 179 struct psm_softc { /* Driver status information */ 180 int unit; 181 struct selinfo rsel; /* Process selecting for Input */ 182 u_char state; /* Mouse driver state */ 183 int config; /* driver configuration flags */ 184 int flags; /* other flags */ 185 KBDC kbdc; /* handle to access kbd controller */ 186 struct resource *intr; /* IRQ resource */ 187 void *ih; /* interrupt handle */ 188 mousehw_t hw; /* hardware information */ 189 synapticshw_t synhw; /* Synaptics hardware information */ 190 synapticsinfo_t syninfo; /* Synaptics configuration */ 191 mousemode_t mode; /* operation mode */ 192 mousemode_t dflt_mode; /* default operation mode */ 193 mousestatus_t status; /* accumulated mouse movement */ 194 ringbuf_t queue; /* mouse status queue */ 195 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 196 int pqueue_start; /* start of data in queue */ 197 int pqueue_end; /* end of data in queue */ 198 int button; /* the latest button state */ 199 int xold; /* previous absolute X position */ 200 int yold; /* previous absolute Y position */ 201 int xaverage; /* average X position */ 202 int yaverage; /* average Y position */ 203 int squelch; /* level to filter movement at low speed */ 204 int zmax; /* maximum pressure value for touchpads */ 205 int syncerrors; /* # of bytes discarded to synchronize */ 206 int pkterrors; /* # of packets failed during quaranteen. */ 207 struct timeval inputtimeout; 208 struct timeval lastsoftintr; /* time of last soft interrupt */ 209 struct timeval lastinputerr; /* time last sync error happened */ 210 struct timeval taptimeout; /* tap timeout for touchpads */ 211 int watchdog; /* watchdog timer flag */ 212 struct callout_handle callout; /* watchdog timer call out */ 213 struct callout_handle softcallout; /* buffer timer call out */ 214 struct cdev *dev; 215 struct cdev *bdev; 216 int lasterr; 217 int cmdcount; 218 struct sigio *async; /* Processes waiting for SIGIO */ 219 }; 220 static devclass_t psm_devclass; 221 #define PSM_SOFTC(unit) \ 222 ((struct psm_softc*)devclass_get_softc(psm_devclass, unit)) 223 224 /* driver state flags (state) */ 225 #define PSM_VALID 0x80 226 #define PSM_OPEN 1 /* Device is open */ 227 #define PSM_ASLP 2 /* Waiting for mouse data */ 228 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 229 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 230 231 /* driver configuration flags (config) */ 232 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 233 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 234 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 235 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 236 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 237 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 238 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 239 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 240 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 241 #define PSM_CONFIG_SYNCHACK 0x8000 /* enable `out-of-sync' hack */ 242 243 #define PSM_CONFIG_FLAGS \ 244 (PSM_CONFIG_RESOLUTION | \ 245 PSM_CONFIG_ACCEL | \ 246 PSM_CONFIG_NOCHECKSYNC | \ 247 PSM_CONFIG_SYNCHACK | \ 248 PSM_CONFIG_NOIDPROBE | \ 249 PSM_CONFIG_NORESET | \ 250 PSM_CONFIG_FORCETAP | \ 251 PSM_CONFIG_IGNPORTERROR | \ 252 PSM_CONFIG_HOOKRESUME | \ 253 PSM_CONFIG_INITAFTERSUSPEND) 254 255 /* other flags (flags) */ 256 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 257 258 /* Tunables */ 259 static int synaptics_support = 0; 260 TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 261 262 static int verbose = PSM_DEBUG; 263 TUNABLE_INT("debug.psm.loglevel", &verbose); 264 265 /* for backward compatibility */ 266 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 267 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 268 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 269 270 typedef struct old_mousehw { 271 int buttons; 272 int iftype; 273 int type; 274 int hwid; 275 } old_mousehw_t; 276 277 typedef struct old_mousemode { 278 int protocol; 279 int rate; 280 int resolution; 281 int accelfactor; 282 } old_mousemode_t; 283 284 /* packet formatting function */ 285 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 286 mousestatus_t *); 287 288 /* function prototypes */ 289 static void psmidentify(driver_t *, device_t); 290 static int psmprobe(device_t); 291 static int psmattach(device_t); 292 static int psmdetach(device_t); 293 static int psmresume(device_t); 294 295 static d_open_t psmopen; 296 static d_close_t psmclose; 297 static d_read_t psmread; 298 static d_write_t psmwrite; 299 static d_ioctl_t psmioctl; 300 static d_poll_t psmpoll; 301 302 static int enable_aux_dev(KBDC); 303 static int disable_aux_dev(KBDC); 304 static int get_mouse_status(KBDC, int *, int, int); 305 static int get_aux_id(KBDC); 306 static int set_mouse_sampling_rate(KBDC, int); 307 static int set_mouse_scaling(KBDC, int); 308 static int set_mouse_resolution(KBDC, int); 309 static int set_mouse_mode(KBDC); 310 static int get_mouse_buttons(KBDC); 311 static int is_a_mouse(int); 312 static void recover_from_error(KBDC); 313 static int restore_controller(KBDC, int); 314 static int doinitialize(struct psm_softc *, mousemode_t *); 315 static int doopen(struct psm_softc *, int); 316 static int reinitialize(struct psm_softc *, int); 317 static char *model_name(int); 318 static void psmsoftintr(void *); 319 static void psmintr(void *); 320 static void psmtimeout(void *); 321 static int timeelapsed(const struct timeval *, int, int, 322 const struct timeval *); 323 static void dropqueue(struct psm_softc *); 324 static void flushpackets(struct psm_softc *); 325 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 326 mousestatus_t *, int *, int *, int *); 327 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 328 mousestatus_t *, int *, int *, int *); 329 static void proc_versapad(struct psm_softc *, packetbuf_t *, 330 mousestatus_t *, int *, int *, int *); 331 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 332 u_char *); 333 334 /* vendor specific features */ 335 typedef int probefunc_t(struct psm_softc *); 336 337 static int mouse_id_proc1(KBDC, int, int, int *); 338 static int mouse_ext_command(KBDC, int); 339 340 static probefunc_t enable_groller; 341 static probefunc_t enable_gmouse; 342 static probefunc_t enable_aglide; 343 static probefunc_t enable_kmouse; 344 static probefunc_t enable_msexplorer; 345 static probefunc_t enable_msintelli; 346 static probefunc_t enable_4dmouse; 347 static probefunc_t enable_4dplus; 348 static probefunc_t enable_mmanplus; 349 static probefunc_t enable_synaptics; 350 static probefunc_t enable_versapad; 351 352 static struct { 353 int model; 354 u_char syncmask; 355 int packetsize; 356 probefunc_t *probefunc; 357 } vendortype[] = { 358 /* 359 * WARNING: the order of probe is very important. Don't mess it 360 * unless you know what you are doing. 361 */ 362 { MOUSE_MODEL_NET, /* Genius NetMouse */ 363 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 364 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 365 0xc8, 6, enable_groller }, 366 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 367 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 368 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 369 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 370 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 371 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 372 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 373 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 374 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 375 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 376 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 377 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 378 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 379 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 380 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 381 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 382 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 383 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 384 { MOUSE_MODEL_GENERIC, 385 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 386 }; 387 #define GENERIC_MOUSE_ENTRY \ 388 ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 389 390 /* device driver declarateion */ 391 static device_method_t psm_methods[] = { 392 /* Device interface */ 393 DEVMETHOD(device_identify, psmidentify), 394 DEVMETHOD(device_probe, psmprobe), 395 DEVMETHOD(device_attach, psmattach), 396 DEVMETHOD(device_detach, psmdetach), 397 DEVMETHOD(device_resume, psmresume), 398 399 { 0, 0 } 400 }; 401 402 static driver_t psm_driver = { 403 PSM_DRIVER_NAME, 404 psm_methods, 405 sizeof(struct psm_softc), 406 }; 407 408 static struct cdevsw psm_cdevsw = { 409 .d_version = D_VERSION, 410 .d_flags = D_NEEDGIANT, 411 .d_open = psmopen, 412 .d_close = psmclose, 413 .d_read = psmread, 414 .d_write = psmwrite, 415 .d_ioctl = psmioctl, 416 .d_poll = psmpoll, 417 .d_name = PSM_DRIVER_NAME, 418 }; 419 420 /* device I/O routines */ 421 static int 422 enable_aux_dev(KBDC kbdc) 423 { 424 int res; 425 426 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 427 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 428 429 return (res == PSM_ACK); 430 } 431 432 static int 433 disable_aux_dev(KBDC kbdc) 434 { 435 int res; 436 437 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 438 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 439 440 return (res == PSM_ACK); 441 } 442 443 static int 444 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 445 { 446 int cmd; 447 int res; 448 int i; 449 450 switch (flag) { 451 case 0: 452 default: 453 cmd = PSMC_SEND_DEV_STATUS; 454 break; 455 case 1: 456 cmd = PSMC_SEND_DEV_DATA; 457 break; 458 } 459 empty_aux_buffer(kbdc, 5); 460 res = send_aux_command(kbdc, cmd); 461 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 462 (flag == 1) ? "DATA" : "STATUS", res)); 463 if (res != PSM_ACK) 464 return (0); 465 466 for (i = 0; i < len; ++i) { 467 status[i] = read_aux_data(kbdc); 468 if (status[i] < 0) 469 break; 470 } 471 472 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 473 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 474 475 return (i); 476 } 477 478 static int 479 get_aux_id(KBDC kbdc) 480 { 481 int res; 482 int id; 483 484 empty_aux_buffer(kbdc, 5); 485 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 486 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 487 if (res != PSM_ACK) 488 return (-1); 489 490 /* 10ms delay */ 491 DELAY(10000); 492 493 id = read_aux_data(kbdc); 494 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 495 496 return (id); 497 } 498 499 static int 500 set_mouse_sampling_rate(KBDC kbdc, int rate) 501 { 502 int res; 503 504 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 505 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 506 507 return ((res == PSM_ACK) ? rate : -1); 508 } 509 510 static int 511 set_mouse_scaling(KBDC kbdc, int scale) 512 { 513 int res; 514 515 switch (scale) { 516 case 1: 517 default: 518 scale = PSMC_SET_SCALING11; 519 break; 520 case 2: 521 scale = PSMC_SET_SCALING21; 522 break; 523 } 524 res = send_aux_command(kbdc, scale); 525 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 526 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 527 528 return (res == PSM_ACK); 529 } 530 531 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 532 static int 533 set_mouse_resolution(KBDC kbdc, int val) 534 { 535 int res; 536 537 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 538 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 539 540 return ((res == PSM_ACK) ? val : -1); 541 } 542 543 /* 544 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 545 * re-enabled by calling `enable_aux_dev()' 546 */ 547 static int 548 set_mouse_mode(KBDC kbdc) 549 { 550 int res; 551 552 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 553 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 554 555 return (res == PSM_ACK); 556 } 557 558 static int 559 get_mouse_buttons(KBDC kbdc) 560 { 561 int c = 2; /* assume two buttons by default */ 562 int status[3]; 563 564 /* 565 * NOTE: a special sequence to obtain Logitech Mouse specific 566 * information: set resolution to 25 ppi, set scaling to 1:1, set 567 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 568 * mouse status bytes is the number of available buttons. 569 * Some manufactures also support this sequence. 570 */ 571 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 572 return (c); 573 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 574 set_mouse_scaling(kbdc, 1) && 575 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 576 return (status[1]); 577 return (c); 578 } 579 580 /* misc subroutines */ 581 /* 582 * Someday, I will get the complete list of valid pointing devices and 583 * their IDs... XXX 584 */ 585 static int 586 is_a_mouse(int id) 587 { 588 #if 0 589 static int valid_ids[] = { 590 PSM_MOUSE_ID, /* mouse */ 591 PSM_BALLPOINT_ID, /* ballpoint device */ 592 PSM_INTELLI_ID, /* Intellimouse */ 593 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 594 -1 /* end of table */ 595 }; 596 int i; 597 598 for (i = 0; valid_ids[i] >= 0; ++i) 599 if (valid_ids[i] == id) 600 return (TRUE); 601 return (FALSE); 602 #else 603 return (TRUE); 604 #endif 605 } 606 607 static char * 608 model_name(int model) 609 { 610 static struct { 611 int model_code; 612 char *model_name; 613 } models[] = { 614 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 615 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 616 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 617 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 618 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 619 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 620 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 621 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 622 { MOUSE_MODEL_4D, "4D Mouse" }, 623 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 624 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 625 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 626 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 627 }; 628 int i; 629 630 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 631 if (models[i].model_code == model) 632 break; 633 return (models[i].model_name); 634 } 635 636 static void 637 recover_from_error(KBDC kbdc) 638 { 639 /* discard anything left in the output buffer */ 640 empty_both_buffers(kbdc, 10); 641 642 #if 0 643 /* 644 * NOTE: KBDC_RESET_KBD may not restore the communication between the 645 * keyboard and the controller. 646 */ 647 reset_kbd(kbdc); 648 #else 649 /* 650 * NOTE: somehow diagnostic and keyboard port test commands bring the 651 * keyboard back. 652 */ 653 if (!test_controller(kbdc)) 654 log(LOG_ERR, "psm: keyboard controller failed.\n"); 655 /* if there isn't a keyboard in the system, the following error is OK */ 656 if (test_kbd_port(kbdc) != 0) 657 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 658 #endif 659 } 660 661 static int 662 restore_controller(KBDC kbdc, int command_byte) 663 { 664 empty_both_buffers(kbdc, 10); 665 666 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 667 log(LOG_ERR, "psm: failed to restore the keyboard controller " 668 "command byte.\n"); 669 empty_both_buffers(kbdc, 10); 670 return (FALSE); 671 } else { 672 empty_both_buffers(kbdc, 10); 673 return (TRUE); 674 } 675 } 676 677 /* 678 * Re-initialize the aux port and device. The aux port must be enabled 679 * and its interrupt must be disabled before calling this routine. 680 * The aux device will be disabled before returning. 681 * The keyboard controller must be locked via `kbdc_lock()' before 682 * calling this routine. 683 */ 684 static int 685 doinitialize(struct psm_softc *sc, mousemode_t *mode) 686 { 687 KBDC kbdc = sc->kbdc; 688 int stat[3]; 689 int i; 690 691 switch((i = test_aux_port(kbdc))) { 692 case 1: /* ignore these errors */ 693 case 2: 694 case 3: 695 case PSM_ACK: 696 if (verbose) 697 log(LOG_DEBUG, 698 "psm%d: strange result for test aux port (%d).\n", 699 sc->unit, i); 700 /* FALLTHROUGH */ 701 case 0: /* no error */ 702 break; 703 case -1: /* time out */ 704 default: /* error */ 705 recover_from_error(kbdc); 706 if (sc->config & PSM_CONFIG_IGNPORTERROR) 707 break; 708 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 709 sc->unit, i); 710 return (FALSE); 711 } 712 713 if (sc->config & PSM_CONFIG_NORESET) { 714 /* 715 * Don't try to reset the pointing device. It may possibly 716 * be left in the unknown state, though... 717 */ 718 } else { 719 /* 720 * NOTE: some controllers appears to hang the `keyboard' when 721 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 722 */ 723 if (!reset_aux_dev(kbdc)) { 724 recover_from_error(kbdc); 725 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 726 sc->unit); 727 return (FALSE); 728 } 729 } 730 731 /* 732 * both the aux port and the aux device is functioning, see 733 * if the device can be enabled. 734 */ 735 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 736 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 737 sc->unit); 738 return (FALSE); 739 } 740 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 741 742 if (sc->config & PSM_CONFIG_NOIDPROBE) 743 i = GENERIC_MOUSE_ENTRY; 744 else { 745 /* FIXME: hardware ID, mouse buttons? */ 746 747 /* other parameters */ 748 for (i = 0; vendortype[i].probefunc != NULL; ++i) 749 if ((*vendortype[i].probefunc)(sc)) { 750 if (verbose >= 2) 751 log(LOG_ERR, "psm%d: found %s\n", 752 sc->unit, 753 model_name(vendortype[i].model)); 754 break; 755 } 756 } 757 758 sc->hw.model = vendortype[i].model; 759 sc->mode.packetsize = vendortype[i].packetsize; 760 761 /* set mouse parameters */ 762 if (mode != (mousemode_t *)NULL) { 763 if (mode->rate > 0) 764 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 765 if (mode->resolution >= 0) 766 mode->resolution = 767 set_mouse_resolution(kbdc, mode->resolution); 768 set_mouse_scaling(kbdc, 1); 769 set_mouse_mode(kbdc); 770 } 771 772 /* Record sync on the next data packet we see. */ 773 sc->flags |= PSM_NEED_SYNCBITS; 774 775 /* just check the status of the mouse */ 776 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 777 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 778 sc->unit); 779 780 return (TRUE); 781 } 782 783 static int 784 doopen(struct psm_softc *sc, int command_byte) 785 { 786 int stat[3]; 787 788 /* enable the mouse device */ 789 if (!enable_aux_dev(sc->kbdc)) { 790 /* MOUSE ERROR: failed to enable the mouse because: 791 * 1) the mouse is faulty, 792 * 2) the mouse has been removed(!?) 793 * In the latter case, the keyboard may have hung, and need 794 * recovery procedure... 795 */ 796 recover_from_error(sc->kbdc); 797 #if 0 798 /* FIXME: we could reset the mouse here and try to enable 799 * it again. But it will take long time and it's not a good 800 * idea to disable the keyboard that long... 801 */ 802 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 803 recover_from_error(sc->kbdc); 804 #else 805 { 806 #endif 807 restore_controller(sc->kbdc, command_byte); 808 /* mark this device is no longer available */ 809 sc->state &= ~PSM_VALID; 810 log(LOG_ERR, 811 "psm%d: failed to enable the device (doopen).\n", 812 sc->unit); 813 return (EIO); 814 } 815 } 816 817 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 818 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 819 sc->unit); 820 821 /* enable the aux port and interrupt */ 822 if (!set_controller_command_byte(sc->kbdc, 823 kbdc_get_device_mask(sc->kbdc), 824 (command_byte & KBD_KBD_CONTROL_BITS) | 825 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 826 /* CONTROLLER ERROR */ 827 disable_aux_dev(sc->kbdc); 828 restore_controller(sc->kbdc, command_byte); 829 log(LOG_ERR, 830 "psm%d: failed to enable the aux interrupt (doopen).\n", 831 sc->unit); 832 return (EIO); 833 } 834 835 /* start the watchdog timer */ 836 sc->watchdog = FALSE; 837 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz*2); 838 839 return (0); 840 } 841 842 static int 843 reinitialize(struct psm_softc *sc, int doinit) 844 { 845 int err; 846 int c; 847 int s; 848 849 /* don't let anybody mess with the aux device */ 850 if (!kbdc_lock(sc->kbdc, TRUE)) 851 return (EIO); 852 s = spltty(); 853 854 /* block our watchdog timer */ 855 sc->watchdog = FALSE; 856 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 857 callout_handle_init(&sc->callout); 858 859 /* save the current controller command byte */ 860 empty_both_buffers(sc->kbdc, 10); 861 c = get_controller_command_byte(sc->kbdc); 862 VLOG(2, (LOG_DEBUG, 863 "psm%d: current command byte: %04x (reinitialize).\n", 864 sc->unit, c)); 865 866 /* enable the aux port but disable the aux interrupt and the keyboard */ 867 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 868 kbdc_get_device_mask(sc->kbdc), 869 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 870 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 871 /* CONTROLLER ERROR */ 872 splx(s); 873 kbdc_lock(sc->kbdc, FALSE); 874 log(LOG_ERR, 875 "psm%d: unable to set the command byte (reinitialize).\n", 876 sc->unit); 877 return (EIO); 878 } 879 880 /* flush any data */ 881 if (sc->state & PSM_VALID) { 882 /* this may fail; but never mind... */ 883 disable_aux_dev(sc->kbdc); 884 empty_aux_buffer(sc->kbdc, 10); 885 } 886 flushpackets(sc); 887 sc->syncerrors = 0; 888 sc->pkterrors = 0; 889 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 890 891 /* try to detect the aux device; are you still there? */ 892 err = 0; 893 if (doinit) { 894 if (doinitialize(sc, &sc->mode)) { 895 /* yes */ 896 sc->state |= PSM_VALID; 897 } else { 898 /* the device has gone! */ 899 restore_controller(sc->kbdc, c); 900 sc->state &= ~PSM_VALID; 901 log(LOG_ERR, 902 "psm%d: the aux device has gone! (reinitialize).\n", 903 sc->unit); 904 err = ENXIO; 905 } 906 } 907 splx(s); 908 909 /* restore the driver state */ 910 if ((sc->state & PSM_OPEN) && (err == 0)) { 911 /* enable the aux device and the port again */ 912 err = doopen(sc, c); 913 if (err != 0) 914 log(LOG_ERR, "psm%d: failed to enable the device " 915 "(reinitialize).\n", sc->unit); 916 } else { 917 /* restore the keyboard port and disable the aux port */ 918 if (!set_controller_command_byte(sc->kbdc, 919 kbdc_get_device_mask(sc->kbdc), 920 (c & KBD_KBD_CONTROL_BITS) | 921 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 922 /* CONTROLLER ERROR */ 923 log(LOG_ERR, "psm%d: failed to disable the aux port " 924 "(reinitialize).\n", sc->unit); 925 err = EIO; 926 } 927 } 928 929 kbdc_lock(sc->kbdc, FALSE); 930 return (err); 931 } 932 933 /* psm driver entry points */ 934 935 static void 936 psmidentify(driver_t *driver, device_t parent) 937 { 938 device_t psmc; 939 device_t psm; 940 u_long irq; 941 int unit; 942 943 unit = device_get_unit(parent); 944 945 /* always add at least one child */ 946 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 947 if (psm == NULL) 948 return; 949 950 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 951 if (irq > 0) 952 return; 953 954 /* 955 * If the PS/2 mouse device has already been reported by ACPI or 956 * PnP BIOS, obtain the IRQ resource from it. 957 * (See psmcpnp_attach() below.) 958 */ 959 psmc = device_find_child(device_get_parent(parent), 960 PSMCPNP_DRIVER_NAME, unit); 961 if (psmc == NULL) 962 return; 963 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 964 if (irq <= 0) 965 return; 966 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 967 } 968 969 #define endprobe(v) do { \ 970 if (bootverbose) \ 971 --verbose; \ 972 kbdc_set_device_mask(sc->kbdc, mask); \ 973 kbdc_lock(sc->kbdc, FALSE); \ 974 return (v); \ 975 } while (0) 976 977 static int 978 psmprobe(device_t dev) 979 { 980 int unit = device_get_unit(dev); 981 struct psm_softc *sc = device_get_softc(dev); 982 int stat[3]; 983 int command_byte; 984 int mask; 985 int rid; 986 int i; 987 988 #if 0 989 kbdc_debug(TRUE); 990 #endif 991 992 /* see if IRQ is available */ 993 rid = KBDC_RID_AUX; 994 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 995 RF_SHAREABLE | RF_ACTIVE); 996 if (sc->intr == NULL) { 997 if (bootverbose) 998 device_printf(dev, "unable to allocate IRQ\n"); 999 return (ENXIO); 1000 } 1001 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1002 1003 sc->unit = unit; 1004 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1005 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1006 /* XXX: for backward compatibility */ 1007 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1008 sc->config |= 1009 #ifdef PSM_RESETAFTERSUSPEND 1010 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 1011 #else 1012 PSM_CONFIG_HOOKRESUME; 1013 #endif 1014 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1015 sc->flags = 0; 1016 if (bootverbose) 1017 ++verbose; 1018 1019 device_set_desc(dev, "PS/2 Mouse"); 1020 1021 if (!kbdc_lock(sc->kbdc, TRUE)) { 1022 printf("psm%d: unable to lock the controller.\n", unit); 1023 if (bootverbose) 1024 --verbose; 1025 return (ENXIO); 1026 } 1027 1028 /* 1029 * NOTE: two bits in the command byte controls the operation of the 1030 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1031 * port interrupt (IRQ 12) enable bit (bit 2). 1032 */ 1033 1034 /* discard anything left after the keyboard initialization */ 1035 empty_both_buffers(sc->kbdc, 10); 1036 1037 /* save the current command byte; it will be used later */ 1038 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1039 command_byte = get_controller_command_byte(sc->kbdc); 1040 if (verbose) 1041 printf("psm%d: current command byte:%04x\n", unit, 1042 command_byte); 1043 if (command_byte == -1) { 1044 /* CONTROLLER ERROR */ 1045 printf("psm%d: unable to get the current command byte value.\n", 1046 unit); 1047 endprobe(ENXIO); 1048 } 1049 1050 /* 1051 * disable the keyboard port while probing the aux port, which must be 1052 * enabled during this routine 1053 */ 1054 if (!set_controller_command_byte(sc->kbdc, 1055 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1056 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1057 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1058 /* 1059 * this is CONTROLLER ERROR; I don't know how to recover 1060 * from this error... 1061 */ 1062 restore_controller(sc->kbdc, command_byte); 1063 printf("psm%d: unable to set the command byte.\n", unit); 1064 endprobe(ENXIO); 1065 } 1066 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1067 1068 /* 1069 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1070 * port exists and is functioning. However, some controllers appears 1071 * to respond with zero even when the aux port doesn't exist. (It may 1072 * be that this is only the case when the controller DOES have the aux 1073 * port but the port is not wired on the motherboard.) The keyboard 1074 * controllers without the port, such as the original AT, are 1075 * supporsed to return with an error code or simply time out. In any 1076 * case, we have to continue probing the port even when the controller 1077 * passes this test. 1078 * 1079 * XXX: some controllers erroneously return the error code 1, 2 or 3 1080 * when it has the perfectly functional aux port. We have to ignore 1081 * this error code. Even if the controller HAS error with the aux 1082 * port, it will be detected later... 1083 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1084 */ 1085 switch ((i = test_aux_port(sc->kbdc))) { 1086 case 1: /* ignore these errors */ 1087 case 2: 1088 case 3: 1089 case PSM_ACK: 1090 if (verbose) 1091 printf("psm%d: strange result for test aux port " 1092 "(%d).\n", unit, i); 1093 /* FALLTHROUGH */ 1094 case 0: /* no error */ 1095 break; 1096 case -1: /* time out */ 1097 default: /* error */ 1098 recover_from_error(sc->kbdc); 1099 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1100 break; 1101 restore_controller(sc->kbdc, command_byte); 1102 if (verbose) 1103 printf("psm%d: the aux port is not functioning (%d).\n", 1104 unit, i); 1105 endprobe(ENXIO); 1106 } 1107 1108 if (sc->config & PSM_CONFIG_NORESET) { 1109 /* 1110 * Don't try to reset the pointing device. It may possibly be 1111 * left in the unknown state, though... 1112 */ 1113 } else { 1114 /* 1115 * NOTE: some controllers appears to hang the `keyboard' when 1116 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1117 * 1118 * Attempt to reset the controller twice -- this helps 1119 * pierce through some KVM switches. The second reset 1120 * is non-fatal. 1121 */ 1122 if (!reset_aux_dev(sc->kbdc)) { 1123 recover_from_error(sc->kbdc); 1124 restore_controller(sc->kbdc, command_byte); 1125 if (verbose) 1126 printf("psm%d: failed to reset the aux " 1127 "device.\n", unit); 1128 endprobe(ENXIO); 1129 } else if (!reset_aux_dev(sc->kbdc)) { 1130 recover_from_error(sc->kbdc); 1131 if (verbose >= 2) 1132 printf("psm%d: failed to reset the aux device " 1133 "(2).\n", unit); 1134 } 1135 } 1136 1137 /* 1138 * both the aux port and the aux device is functioning, see if the 1139 * device can be enabled. NOTE: when enabled, the device will start 1140 * sending data; we shall immediately disable the device once we know 1141 * the device can be enabled. 1142 */ 1143 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1144 /* MOUSE ERROR */ 1145 recover_from_error(sc->kbdc); 1146 restore_controller(sc->kbdc, command_byte); 1147 if (verbose) 1148 printf("psm%d: failed to enable the aux device.\n", 1149 unit); 1150 endprobe(ENXIO); 1151 } 1152 1153 /* save the default values after reset */ 1154 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1155 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1156 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1157 } else { 1158 sc->dflt_mode.rate = sc->mode.rate = -1; 1159 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1160 } 1161 1162 /* hardware information */ 1163 sc->hw.iftype = MOUSE_IF_PS2; 1164 1165 /* verify the device is a mouse */ 1166 sc->hw.hwid = get_aux_id(sc->kbdc); 1167 if (!is_a_mouse(sc->hw.hwid)) { 1168 restore_controller(sc->kbdc, command_byte); 1169 if (verbose) 1170 printf("psm%d: unknown device type (%d).\n", unit, 1171 sc->hw.hwid); 1172 endprobe(ENXIO); 1173 } 1174 switch (sc->hw.hwid) { 1175 case PSM_BALLPOINT_ID: 1176 sc->hw.type = MOUSE_TRACKBALL; 1177 break; 1178 case PSM_MOUSE_ID: 1179 case PSM_INTELLI_ID: 1180 case PSM_EXPLORER_ID: 1181 case PSM_4DMOUSE_ID: 1182 case PSM_4DPLUS_ID: 1183 sc->hw.type = MOUSE_MOUSE; 1184 break; 1185 default: 1186 sc->hw.type = MOUSE_UNKNOWN; 1187 break; 1188 } 1189 1190 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1191 sc->hw.buttons = 2; 1192 i = GENERIC_MOUSE_ENTRY; 1193 } else { 1194 /* # of buttons */ 1195 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1196 1197 /* other parameters */ 1198 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1199 if ((*vendortype[i].probefunc)(sc)) { 1200 if (verbose >= 2) 1201 printf("psm%d: found %s\n", unit, 1202 model_name(vendortype[i].model)); 1203 break; 1204 } 1205 } 1206 1207 sc->hw.model = vendortype[i].model; 1208 1209 sc->dflt_mode.level = PSM_LEVEL_BASE; 1210 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1211 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1212 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1213 sc->dflt_mode.syncmask[0] = 0; 1214 else 1215 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1216 if (sc->config & PSM_CONFIG_FORCETAP) 1217 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1218 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1219 sc->mode = sc->dflt_mode; 1220 sc->mode.packetsize = vendortype[i].packetsize; 1221 1222 /* set mouse parameters */ 1223 #if 0 1224 /* 1225 * A version of Logitech FirstMouse+ won't report wheel movement, 1226 * if SET_DEFAULTS is sent... Don't use this command. 1227 * This fix was found by Takashi Nishida. 1228 */ 1229 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1230 if (verbose >= 2) 1231 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1232 #endif 1233 if (sc->config & PSM_CONFIG_RESOLUTION) 1234 sc->mode.resolution = 1235 set_mouse_resolution(sc->kbdc, 1236 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1237 else if (sc->mode.resolution >= 0) 1238 sc->mode.resolution = 1239 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1240 if (sc->mode.rate > 0) 1241 sc->mode.rate = 1242 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1243 set_mouse_scaling(sc->kbdc, 1); 1244 1245 /* Record sync on the next data packet we see. */ 1246 sc->flags |= PSM_NEED_SYNCBITS; 1247 1248 /* just check the status of the mouse */ 1249 /* 1250 * NOTE: XXX there are some arcane controller/mouse combinations out 1251 * there, which hung the controller unless there is data transmission 1252 * after ACK from the mouse. 1253 */ 1254 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1255 printf("psm%d: failed to get status.\n", unit); 1256 else { 1257 /* 1258 * When in its native mode, some mice operate with different 1259 * default parameters than in the PS/2 compatible mode. 1260 */ 1261 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1262 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1263 } 1264 1265 /* disable the aux port for now... */ 1266 if (!set_controller_command_byte(sc->kbdc, 1267 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1268 (command_byte & KBD_KBD_CONTROL_BITS) | 1269 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1270 /* 1271 * this is CONTROLLER ERROR; I don't know the proper way to 1272 * recover from this error... 1273 */ 1274 restore_controller(sc->kbdc, command_byte); 1275 printf("psm%d: unable to set the command byte.\n", unit); 1276 endprobe(ENXIO); 1277 } 1278 1279 /* 1280 * Synaptics TouchPad seems to go back to Relative Mode after 1281 * the previous set_controller_command_byte() call; by issueing 1282 * a Read Mode Byte command, the touchpad is in Absolute Mode 1283 * again. 1284 */ 1285 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1286 mouse_ext_command(sc->kbdc, 1); 1287 1288 /* done */ 1289 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1290 kbdc_lock(sc->kbdc, FALSE); 1291 return (0); 1292 } 1293 1294 static int 1295 psmattach(device_t dev) 1296 { 1297 int unit = device_get_unit(dev); 1298 struct psm_softc *sc = device_get_softc(dev); 1299 int error; 1300 int rid; 1301 1302 /* Setup initial state */ 1303 sc->state = PSM_VALID; 1304 callout_handle_init(&sc->callout); 1305 1306 /* Setup our interrupt handler */ 1307 rid = KBDC_RID_AUX; 1308 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 1309 RF_SHAREABLE | RF_ACTIVE); 1310 if (sc->intr == NULL) 1311 return (ENXIO); 1312 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1313 &sc->ih); 1314 if (error) { 1315 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1316 return (error); 1317 } 1318 1319 /* Done */ 1320 sc->dev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, 1321 "psm%d", unit); 1322 sc->bdev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, 1323 "bpsm%d", unit); 1324 1325 if (!verbose) 1326 printf("psm%d: model %s, device ID %d\n", 1327 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1328 else { 1329 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1330 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1331 sc->hw.hwid >> 8, sc->hw.buttons); 1332 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1333 unit, sc->config, sc->flags, sc->mode.packetsize); 1334 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1335 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1336 } 1337 1338 if (bootverbose) 1339 --verbose; 1340 1341 return (0); 1342 } 1343 1344 static int 1345 psmdetach(device_t dev) 1346 { 1347 struct psm_softc *sc; 1348 int rid; 1349 1350 sc = device_get_softc(dev); 1351 if (sc->state & PSM_OPEN) 1352 return (EBUSY); 1353 1354 rid = KBDC_RID_AUX; 1355 bus_teardown_intr(dev, sc->intr, sc->ih); 1356 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1357 1358 destroy_dev(sc->dev); 1359 destroy_dev(sc->bdev); 1360 1361 return (0); 1362 } 1363 1364 static int 1365 psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1366 { 1367 int unit = PSM_UNIT(dev); 1368 struct psm_softc *sc; 1369 int command_byte; 1370 int err; 1371 int s; 1372 1373 /* Get device data */ 1374 sc = PSM_SOFTC(unit); 1375 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1376 /* the device is no longer valid/functioning */ 1377 return (ENXIO); 1378 } 1379 1380 /* Disallow multiple opens */ 1381 if (sc->state & PSM_OPEN) 1382 return (EBUSY); 1383 1384 device_busy(devclass_get_device(psm_devclass, unit)); 1385 1386 /* Initialize state */ 1387 sc->mode.level = sc->dflt_mode.level; 1388 sc->mode.protocol = sc->dflt_mode.protocol; 1389 sc->watchdog = FALSE; 1390 sc->async = NULL; 1391 1392 /* flush the event queue */ 1393 sc->queue.count = 0; 1394 sc->queue.head = 0; 1395 sc->queue.tail = 0; 1396 sc->status.flags = 0; 1397 sc->status.button = 0; 1398 sc->status.obutton = 0; 1399 sc->status.dx = 0; 1400 sc->status.dy = 0; 1401 sc->status.dz = 0; 1402 sc->button = 0; 1403 sc->pqueue_start = 0; 1404 sc->pqueue_end = 0; 1405 1406 /* empty input buffer */ 1407 flushpackets(sc); 1408 sc->syncerrors = 0; 1409 sc->pkterrors = 0; 1410 1411 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1412 if (!kbdc_lock(sc->kbdc, TRUE)) 1413 return (EIO); 1414 1415 /* save the current controller command byte */ 1416 s = spltty(); 1417 command_byte = get_controller_command_byte(sc->kbdc); 1418 1419 /* enable the aux port and temporalily disable the keyboard */ 1420 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1421 kbdc_get_device_mask(sc->kbdc), 1422 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1423 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1424 /* CONTROLLER ERROR; do you know how to get out of this? */ 1425 kbdc_lock(sc->kbdc, FALSE); 1426 splx(s); 1427 log(LOG_ERR, 1428 "psm%d: unable to set the command byte (psmopen).\n", unit); 1429 return (EIO); 1430 } 1431 /* 1432 * Now that the keyboard controller is told not to generate 1433 * the keyboard and mouse interrupts, call `splx()' to allow 1434 * the other tty interrupts. The clock interrupt may also occur, 1435 * but timeout routines will be blocked by the poll flag set 1436 * via `kbdc_lock()' 1437 */ 1438 splx(s); 1439 1440 /* enable the mouse device */ 1441 err = doopen(sc, command_byte); 1442 1443 /* done */ 1444 if (err == 0) 1445 sc->state |= PSM_OPEN; 1446 kbdc_lock(sc->kbdc, FALSE); 1447 return (err); 1448 } 1449 1450 static int 1451 psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1452 { 1453 int unit = PSM_UNIT(dev); 1454 struct psm_softc *sc = PSM_SOFTC(unit); 1455 int stat[3]; 1456 int command_byte; 1457 int s; 1458 1459 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1460 if (!kbdc_lock(sc->kbdc, TRUE)) 1461 return (EIO); 1462 1463 /* save the current controller command byte */ 1464 s = spltty(); 1465 command_byte = get_controller_command_byte(sc->kbdc); 1466 if (command_byte == -1) { 1467 kbdc_lock(sc->kbdc, FALSE); 1468 splx(s); 1469 return (EIO); 1470 } 1471 1472 /* disable the aux interrupt and temporalily disable the keyboard */ 1473 if (!set_controller_command_byte(sc->kbdc, 1474 kbdc_get_device_mask(sc->kbdc), 1475 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1476 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1477 log(LOG_ERR, 1478 "psm%d: failed to disable the aux int (psmclose).\n", unit); 1479 /* CONTROLLER ERROR; 1480 * NOTE: we shall force our way through. Because the only 1481 * ill effect we shall see is that we may not be able 1482 * to read ACK from the mouse, and it doesn't matter much 1483 * so long as the mouse will accept the DISABLE command. 1484 */ 1485 } 1486 splx(s); 1487 1488 /* stop the watchdog timer */ 1489 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 1490 callout_handle_init(&sc->callout); 1491 1492 /* remove anything left in the output buffer */ 1493 empty_aux_buffer(sc->kbdc, 10); 1494 1495 /* disable the aux device, port and interrupt */ 1496 if (sc->state & PSM_VALID) { 1497 if (!disable_aux_dev(sc->kbdc)) { 1498 /* MOUSE ERROR; 1499 * NOTE: we don't return (error) and continue, 1500 * pretending we have successfully disabled the device. 1501 * It's OK because the interrupt routine will discard 1502 * any data from the mouse hereafter. 1503 */ 1504 log(LOG_ERR, 1505 "psm%d: failed to disable the device (psmclose).\n", 1506 unit); 1507 } 1508 1509 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1510 log(LOG_DEBUG, 1511 "psm%d: failed to get status (psmclose).\n", unit); 1512 } 1513 1514 if (!set_controller_command_byte(sc->kbdc, 1515 kbdc_get_device_mask(sc->kbdc), 1516 (command_byte & KBD_KBD_CONTROL_BITS) | 1517 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1518 /* 1519 * CONTROLLER ERROR; 1520 * we shall ignore this error; see the above comment. 1521 */ 1522 log(LOG_ERR, 1523 "psm%d: failed to disable the aux port (psmclose).\n", 1524 unit); 1525 } 1526 1527 /* remove anything left in the output buffer */ 1528 empty_aux_buffer(sc->kbdc, 10); 1529 1530 /* clean up and sigio requests */ 1531 if (sc->async != NULL) { 1532 funsetown(&sc->async); 1533 sc->async = NULL; 1534 } 1535 1536 /* close is almost always successful */ 1537 sc->state &= ~PSM_OPEN; 1538 kbdc_lock(sc->kbdc, FALSE); 1539 device_unbusy(devclass_get_device(psm_devclass, unit)); 1540 return (0); 1541 } 1542 1543 static int 1544 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1545 u_char *buf) 1546 { 1547 static u_char butmapps2[8] = { 1548 0, 1549 MOUSE_PS2_BUTTON1DOWN, 1550 MOUSE_PS2_BUTTON2DOWN, 1551 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1552 MOUSE_PS2_BUTTON3DOWN, 1553 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1554 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1555 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1556 MOUSE_PS2_BUTTON3DOWN, 1557 }; 1558 static u_char butmapmsc[8] = { 1559 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1560 MOUSE_MSC_BUTTON3UP, 1561 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1562 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1563 MOUSE_MSC_BUTTON3UP, 1564 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1565 MOUSE_MSC_BUTTON2UP, 1566 MOUSE_MSC_BUTTON1UP, 1567 0, 1568 }; 1569 int mapped; 1570 int i; 1571 1572 if (sc->mode.level == PSM_LEVEL_BASE) { 1573 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1574 if (status->button & MOUSE_BUTTON4DOWN) 1575 mapped |= MOUSE_BUTTON1DOWN; 1576 status->button = mapped; 1577 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1578 i = imax(imin(status->dx, 255), -256); 1579 if (i < 0) 1580 buf[0] |= MOUSE_PS2_XNEG; 1581 buf[1] = i; 1582 i = imax(imin(status->dy, 255), -256); 1583 if (i < 0) 1584 buf[0] |= MOUSE_PS2_YNEG; 1585 buf[2] = i; 1586 return (MOUSE_PS2_PACKETSIZE); 1587 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1588 buf[0] = MOUSE_MSC_SYNC | 1589 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1590 i = imax(imin(status->dx, 255), -256); 1591 buf[1] = i >> 1; 1592 buf[3] = i - buf[1]; 1593 i = imax(imin(status->dy, 255), -256); 1594 buf[2] = i >> 1; 1595 buf[4] = i - buf[2]; 1596 i = imax(imin(status->dz, 127), -128); 1597 buf[5] = (i >> 1) & 0x7f; 1598 buf[6] = (i - (i >> 1)) & 0x7f; 1599 buf[7] = (~status->button >> 3) & 0x7f; 1600 return (MOUSE_SYS_PACKETSIZE); 1601 } 1602 return (pb->inputbytes); 1603 } 1604 1605 static int 1606 psmread(struct cdev *dev, struct uio *uio, int flag) 1607 { 1608 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1609 u_char buf[PSM_SMALLBUFSIZE]; 1610 int error = 0; 1611 int s; 1612 int l; 1613 1614 if ((sc->state & PSM_VALID) == 0) 1615 return (EIO); 1616 1617 /* block until mouse activity occured */ 1618 s = spltty(); 1619 while (sc->queue.count <= 0) { 1620 if (PSM_NBLOCKIO(dev)) { 1621 splx(s); 1622 return (EWOULDBLOCK); 1623 } 1624 sc->state |= PSM_ASLP; 1625 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 1626 sc->state &= ~PSM_ASLP; 1627 if (error) { 1628 splx(s); 1629 return (error); 1630 } else if ((sc->state & PSM_VALID) == 0) { 1631 /* the device disappeared! */ 1632 splx(s); 1633 return (EIO); 1634 } 1635 } 1636 splx(s); 1637 1638 /* copy data to the user land */ 1639 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1640 s = spltty(); 1641 l = imin(sc->queue.count, uio->uio_resid); 1642 if (l > sizeof(buf)) 1643 l = sizeof(buf); 1644 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1645 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1646 sizeof(sc->queue.buf) - sc->queue.head); 1647 bcopy(&sc->queue.buf[0], 1648 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1649 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1650 } else 1651 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1652 sc->queue.count -= l; 1653 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1654 splx(s); 1655 error = uiomove(buf, l, uio); 1656 if (error) 1657 break; 1658 } 1659 1660 return (error); 1661 } 1662 1663 static int 1664 block_mouse_data(struct psm_softc *sc, int *c) 1665 { 1666 int s; 1667 1668 if (!kbdc_lock(sc->kbdc, TRUE)) 1669 return (EIO); 1670 1671 s = spltty(); 1672 *c = get_controller_command_byte(sc->kbdc); 1673 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1674 kbdc_get_device_mask(sc->kbdc), 1675 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1676 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1677 /* this is CONTROLLER ERROR */ 1678 splx(s); 1679 kbdc_lock(sc->kbdc, FALSE); 1680 return (EIO); 1681 } 1682 1683 /* 1684 * The device may be in the middle of status data transmission. 1685 * The transmission will be interrupted, thus, incomplete status 1686 * data must be discarded. Although the aux interrupt is disabled 1687 * at the keyboard controller level, at most one aux interrupt 1688 * may have already been pending and a data byte is in the 1689 * output buffer; throw it away. Note that the second argument 1690 * to `empty_aux_buffer()' is zero, so that the call will just 1691 * flush the internal queue. 1692 * `psmintr()' will be invoked after `splx()' if an interrupt is 1693 * pending; it will see no data and returns immediately. 1694 */ 1695 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1696 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1697 flushpackets(sc); 1698 splx(s); 1699 1700 return (0); 1701 } 1702 1703 static void 1704 dropqueue(struct psm_softc *sc) 1705 { 1706 1707 sc->queue.count = 0; 1708 sc->queue.head = 0; 1709 sc->queue.tail = 0; 1710 if ((sc->state & PSM_SOFTARMED) != 0) { 1711 sc->state &= ~PSM_SOFTARMED; 1712 untimeout(psmsoftintr, (void *)(uintptr_t)sc, sc->softcallout); 1713 } 1714 sc->pqueue_start = sc->pqueue_end; 1715 } 1716 1717 static void 1718 flushpackets(struct psm_softc *sc) 1719 { 1720 1721 dropqueue(sc); 1722 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1723 } 1724 1725 static int 1726 unblock_mouse_data(struct psm_softc *sc, int c) 1727 { 1728 int error = 0; 1729 1730 /* 1731 * We may have seen a part of status data during `set_mouse_XXX()'. 1732 * they have been queued; flush it. 1733 */ 1734 empty_aux_buffer(sc->kbdc, 0); 1735 1736 /* restore ports and interrupt */ 1737 if (!set_controller_command_byte(sc->kbdc, 1738 kbdc_get_device_mask(sc->kbdc), 1739 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1740 /* 1741 * CONTROLLER ERROR; this is serious, we may have 1742 * been left with the inaccessible keyboard and 1743 * the disabled mouse interrupt. 1744 */ 1745 error = EIO; 1746 } 1747 1748 kbdc_lock(sc->kbdc, FALSE); 1749 return (error); 1750 } 1751 1752 static int 1753 psmwrite(struct cdev *dev, struct uio *uio, int flag) 1754 { 1755 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1756 u_char buf[PSM_SMALLBUFSIZE]; 1757 int error = 0, i, l; 1758 1759 if ((sc->state & PSM_VALID) == 0) 1760 return (EIO); 1761 1762 if (sc->mode.level < PSM_LEVEL_NATIVE) 1763 return (ENODEV); 1764 1765 /* copy data from the user land */ 1766 while (uio->uio_resid > 0) { 1767 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1768 error = uiomove(buf, l, uio); 1769 if (error) 1770 break; 1771 for (i = 0; i < l; i++) { 1772 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1773 if (!write_aux_command(sc->kbdc, buf[i])) { 1774 VLOG(2, (LOG_DEBUG, 1775 "psm: cmd 0x%x failed.\n", buf[i])); 1776 return (reinitialize(sc, FALSE)); 1777 } 1778 } 1779 } 1780 1781 return (error); 1782 } 1783 1784 static int 1785 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 1786 struct thread *td) 1787 { 1788 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1789 mousemode_t mode; 1790 mousestatus_t status; 1791 #if (defined(MOUSE_GETVARS)) 1792 mousevar_t *var; 1793 #endif 1794 mousedata_t *data; 1795 int stat[3]; 1796 int command_byte; 1797 int error = 0; 1798 int s; 1799 1800 /* Perform IOCTL command */ 1801 switch (cmd) { 1802 1803 case OLD_MOUSE_GETHWINFO: 1804 s = spltty(); 1805 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1806 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1807 ((old_mousehw_t *)addr)->type = sc->hw.type; 1808 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1809 splx(s); 1810 break; 1811 1812 case MOUSE_GETHWINFO: 1813 s = spltty(); 1814 *(mousehw_t *)addr = sc->hw; 1815 if (sc->mode.level == PSM_LEVEL_BASE) 1816 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1817 splx(s); 1818 break; 1819 1820 case MOUSE_SYN_GETHWINFO: 1821 s = spltty(); 1822 if (synaptics_support && sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1823 *(synapticshw_t *)addr = sc->synhw; 1824 else 1825 error = EINVAL; 1826 splx(s); 1827 break; 1828 1829 case OLD_MOUSE_GETMODE: 1830 s = spltty(); 1831 switch (sc->mode.level) { 1832 case PSM_LEVEL_BASE: 1833 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1834 break; 1835 case PSM_LEVEL_STANDARD: 1836 ((old_mousemode_t *)addr)->protocol = 1837 MOUSE_PROTO_SYSMOUSE; 1838 break; 1839 case PSM_LEVEL_NATIVE: 1840 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1841 break; 1842 } 1843 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1844 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1845 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1846 splx(s); 1847 break; 1848 1849 case MOUSE_GETMODE: 1850 s = spltty(); 1851 *(mousemode_t *)addr = sc->mode; 1852 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 1853 ((mousemode_t *)addr)->syncmask[0] = 0; 1854 ((mousemode_t *)addr)->syncmask[1] = 0; 1855 } 1856 ((mousemode_t *)addr)->resolution = 1857 MOUSE_RES_LOW - sc->mode.resolution; 1858 switch (sc->mode.level) { 1859 case PSM_LEVEL_BASE: 1860 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1861 ((mousemode_t *)addr)->packetsize = 1862 MOUSE_PS2_PACKETSIZE; 1863 break; 1864 case PSM_LEVEL_STANDARD: 1865 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1866 ((mousemode_t *)addr)->packetsize = 1867 MOUSE_SYS_PACKETSIZE; 1868 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1869 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1870 break; 1871 case PSM_LEVEL_NATIVE: 1872 /* FIXME: this isn't quite correct... XXX */ 1873 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1874 break; 1875 } 1876 splx(s); 1877 break; 1878 1879 case OLD_MOUSE_SETMODE: 1880 case MOUSE_SETMODE: 1881 if (cmd == OLD_MOUSE_SETMODE) { 1882 mode.rate = ((old_mousemode_t *)addr)->rate; 1883 /* 1884 * resolution old I/F new I/F 1885 * default 0 0 1886 * low 1 -2 1887 * medium low 2 -3 1888 * medium high 3 -4 1889 * high 4 -5 1890 */ 1891 if (((old_mousemode_t *)addr)->resolution > 0) 1892 mode.resolution = 1893 -((old_mousemode_t *)addr)->resolution - 1; 1894 else 1895 mode.resolution = 0; 1896 mode.accelfactor = 1897 ((old_mousemode_t *)addr)->accelfactor; 1898 mode.level = -1; 1899 } else 1900 mode = *(mousemode_t *)addr; 1901 1902 /* adjust and validate parameters. */ 1903 if (mode.rate > UCHAR_MAX) 1904 return (EINVAL); 1905 if (mode.rate == 0) 1906 mode.rate = sc->dflt_mode.rate; 1907 else if (mode.rate == -1) 1908 /* don't change the current setting */ 1909 ; 1910 else if (mode.rate < 0) 1911 return (EINVAL); 1912 if (mode.resolution >= UCHAR_MAX) 1913 return (EINVAL); 1914 if (mode.resolution >= 200) 1915 mode.resolution = MOUSE_RES_HIGH; 1916 else if (mode.resolution >= 100) 1917 mode.resolution = MOUSE_RES_MEDIUMHIGH; 1918 else if (mode.resolution >= 50) 1919 mode.resolution = MOUSE_RES_MEDIUMLOW; 1920 else if (mode.resolution > 0) 1921 mode.resolution = MOUSE_RES_LOW; 1922 if (mode.resolution == MOUSE_RES_DEFAULT) 1923 mode.resolution = sc->dflt_mode.resolution; 1924 else if (mode.resolution == -1) 1925 /* don't change the current setting */ 1926 ; 1927 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 1928 mode.resolution = MOUSE_RES_LOW - mode.resolution; 1929 if (mode.level == -1) 1930 /* don't change the current setting */ 1931 mode.level = sc->mode.level; 1932 else if ((mode.level < PSM_LEVEL_MIN) || 1933 (mode.level > PSM_LEVEL_MAX)) 1934 return (EINVAL); 1935 if (mode.accelfactor == -1) 1936 /* don't change the current setting */ 1937 mode.accelfactor = sc->mode.accelfactor; 1938 else if (mode.accelfactor < 0) 1939 return (EINVAL); 1940 1941 /* don't allow anybody to poll the keyboard controller */ 1942 error = block_mouse_data(sc, &command_byte); 1943 if (error) 1944 return (error); 1945 1946 /* set mouse parameters */ 1947 if (mode.rate > 0) 1948 mode.rate = set_mouse_sampling_rate(sc->kbdc, 1949 mode.rate); 1950 if (mode.resolution >= 0) 1951 mode.resolution = 1952 set_mouse_resolution(sc->kbdc, mode.resolution); 1953 set_mouse_scaling(sc->kbdc, 1); 1954 get_mouse_status(sc->kbdc, stat, 0, 3); 1955 1956 s = spltty(); 1957 sc->mode.rate = mode.rate; 1958 sc->mode.resolution = mode.resolution; 1959 sc->mode.accelfactor = mode.accelfactor; 1960 sc->mode.level = mode.level; 1961 splx(s); 1962 1963 unblock_mouse_data(sc, command_byte); 1964 break; 1965 1966 case MOUSE_GETLEVEL: 1967 *(int *)addr = sc->mode.level; 1968 break; 1969 1970 case MOUSE_SETLEVEL: 1971 if ((*(int *)addr < PSM_LEVEL_MIN) || 1972 (*(int *)addr > PSM_LEVEL_MAX)) 1973 return (EINVAL); 1974 sc->mode.level = *(int *)addr; 1975 break; 1976 1977 case MOUSE_GETSTATUS: 1978 s = spltty(); 1979 status = sc->status; 1980 sc->status.flags = 0; 1981 sc->status.obutton = sc->status.button; 1982 sc->status.button = 0; 1983 sc->status.dx = 0; 1984 sc->status.dy = 0; 1985 sc->status.dz = 0; 1986 splx(s); 1987 *(mousestatus_t *)addr = status; 1988 break; 1989 1990 #if (defined(MOUSE_GETVARS)) 1991 case MOUSE_GETVARS: 1992 var = (mousevar_t *)addr; 1993 bzero(var, sizeof(*var)); 1994 s = spltty(); 1995 var->var[0] = MOUSE_VARS_PS2_SIG; 1996 var->var[1] = sc->config; 1997 var->var[2] = sc->flags; 1998 splx(s); 1999 break; 2000 2001 case MOUSE_SETVARS: 2002 return (ENODEV); 2003 #endif /* MOUSE_GETVARS */ 2004 2005 case MOUSE_READSTATE: 2006 case MOUSE_READDATA: 2007 data = (mousedata_t *)addr; 2008 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2009 return (EINVAL); 2010 2011 error = block_mouse_data(sc, &command_byte); 2012 if (error) 2013 return (error); 2014 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2015 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2016 error = EIO; 2017 unblock_mouse_data(sc, command_byte); 2018 break; 2019 2020 #if (defined(MOUSE_SETRESOLUTION)) 2021 case MOUSE_SETRESOLUTION: 2022 mode.resolution = *(int *)addr; 2023 if (mode.resolution >= UCHAR_MAX) 2024 return (EINVAL); 2025 else if (mode.resolution >= 200) 2026 mode.resolution = MOUSE_RES_HIGH; 2027 else if (mode.resolution >= 100) 2028 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2029 else if (mode.resolution >= 50) 2030 mode.resolution = MOUSE_RES_MEDIUMLOW; 2031 else if (mode.resolution > 0) 2032 mode.resolution = MOUSE_RES_LOW; 2033 if (mode.resolution == MOUSE_RES_DEFAULT) 2034 mode.resolution = sc->dflt_mode.resolution; 2035 else if (mode.resolution == -1) 2036 mode.resolution = sc->mode.resolution; 2037 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2038 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2039 2040 error = block_mouse_data(sc, &command_byte); 2041 if (error) 2042 return (error); 2043 sc->mode.resolution = 2044 set_mouse_resolution(sc->kbdc, mode.resolution); 2045 if (sc->mode.resolution != mode.resolution) 2046 error = EIO; 2047 unblock_mouse_data(sc, command_byte); 2048 break; 2049 #endif /* MOUSE_SETRESOLUTION */ 2050 2051 #if (defined(MOUSE_SETRATE)) 2052 case MOUSE_SETRATE: 2053 mode.rate = *(int *)addr; 2054 if (mode.rate > UCHAR_MAX) 2055 return (EINVAL); 2056 if (mode.rate == 0) 2057 mode.rate = sc->dflt_mode.rate; 2058 else if (mode.rate < 0) 2059 mode.rate = sc->mode.rate; 2060 2061 error = block_mouse_data(sc, &command_byte); 2062 if (error) 2063 return (error); 2064 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2065 if (sc->mode.rate != mode.rate) 2066 error = EIO; 2067 unblock_mouse_data(sc, command_byte); 2068 break; 2069 #endif /* MOUSE_SETRATE */ 2070 2071 #if (defined(MOUSE_SETSCALING)) 2072 case MOUSE_SETSCALING: 2073 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2074 return (EINVAL); 2075 2076 error = block_mouse_data(sc, &command_byte); 2077 if (error) 2078 return (error); 2079 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2080 error = EIO; 2081 unblock_mouse_data(sc, command_byte); 2082 break; 2083 #endif /* MOUSE_SETSCALING */ 2084 2085 #if (defined(MOUSE_GETHWID)) 2086 case MOUSE_GETHWID: 2087 error = block_mouse_data(sc, &command_byte); 2088 if (error) 2089 return (error); 2090 sc->hw.hwid &= ~0x00ff; 2091 sc->hw.hwid |= get_aux_id(sc->kbdc); 2092 *(int *)addr = sc->hw.hwid & 0x00ff; 2093 unblock_mouse_data(sc, command_byte); 2094 break; 2095 #endif /* MOUSE_GETHWID */ 2096 2097 case FIONBIO: 2098 case FIOASYNC: 2099 break; 2100 case FIOSETOWN: 2101 error = fsetown(*(int *)addr, &sc->async); 2102 break; 2103 case FIOGETOWN: 2104 *(int *) addr = fgetown(&sc->async); 2105 break; 2106 default: 2107 return (ENOTTY); 2108 } 2109 2110 return (error); 2111 } 2112 2113 static void 2114 psmtimeout(void *arg) 2115 { 2116 struct psm_softc *sc; 2117 int s; 2118 2119 sc = (struct psm_softc *)arg; 2120 s = spltty(); 2121 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2122 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2123 psmintr(sc); 2124 kbdc_lock(sc->kbdc, FALSE); 2125 } 2126 sc->watchdog = TRUE; 2127 splx(s); 2128 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz); 2129 } 2130 2131 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2132 SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2133 SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2134 2135 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, ""); 2136 2137 static int psmhz = 20; 2138 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, ""); 2139 static int psmerrsecs = 2; 2140 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, ""); 2141 static int psmerrusecs = 0; 2142 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, ""); 2143 static int psmsecs = 0; 2144 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, ""); 2145 static int psmusecs = 500000; 2146 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, ""); 2147 static int pkterrthresh = 2; 2148 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 2149 0, ""); 2150 2151 static int tap_threshold = PSM_TAP_THRESHOLD; 2152 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, ""); 2153 static int tap_timeout = PSM_TAP_TIMEOUT; 2154 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, ""); 2155 2156 static void 2157 psmintr(void *arg) 2158 { 2159 struct psm_softc *sc = arg; 2160 struct timeval now; 2161 int c; 2162 packetbuf_t *pb; 2163 2164 2165 /* read until there is nothing to read */ 2166 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2167 pb = &sc->pqueue[sc->pqueue_end]; 2168 2169 /* discard the byte if the device is not open */ 2170 if ((sc->state & PSM_OPEN) == 0) 2171 continue; 2172 2173 getmicrouptime(&now); 2174 if ((pb->inputbytes > 0) && 2175 timevalcmp(&now, &sc->inputtimeout, >)) { 2176 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2177 "resetting byte count\n")); 2178 pb->inputbytes = 0; 2179 sc->syncerrors = 0; 2180 sc->pkterrors = 0; 2181 } 2182 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2183 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2184 timevaladd(&sc->inputtimeout, &now); 2185 2186 pb->ipacket[pb->inputbytes++] = c; 2187 2188 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2189 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2190 sc->syncerrors = 0; 2191 sc->pkterrors = 0; 2192 goto next; 2193 } else { 2194 if (pb->inputbytes < sc->mode.packetsize) 2195 continue; 2196 2197 VLOG(4, (LOG_DEBUG, 2198 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2199 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2200 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2201 } 2202 2203 c = pb->ipacket[0]; 2204 2205 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2206 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2207 sc->flags &= ~PSM_NEED_SYNCBITS; 2208 VLOG(2, (LOG_DEBUG, 2209 "psmintr: Sync bytes now %04x,%04x\n", 2210 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2211 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2212 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2213 "(%04x != %04x) %d cmds since last error.\n", 2214 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2215 sc->cmdcount - sc->lasterr)); 2216 sc->lasterr = sc->cmdcount; 2217 /* 2218 * The sync byte test is a weak measure of packet 2219 * validity. Conservatively discard any input yet 2220 * to be seen by userland when we detect a sync 2221 * error since there is a good chance some of 2222 * the queued packets have undetected errors. 2223 */ 2224 dropqueue(sc); 2225 if (sc->syncerrors == 0) 2226 sc->pkterrors++; 2227 ++sc->syncerrors; 2228 sc->lastinputerr = now; 2229 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2230 sc->pkterrors >= pkterrthresh) { 2231 /* 2232 * If we've failed to find a single sync byte 2233 * in 2 packets worth of data, or we've seen 2234 * persistent packet errors during the 2235 * validation period, reinitialize the mouse 2236 * in hopes of returning it to the expected 2237 * mode. 2238 */ 2239 VLOG(3, (LOG_DEBUG, 2240 "psmintr: reset the mouse.\n")); 2241 reinitialize(sc, TRUE); 2242 } else if (sc->syncerrors == sc->mode.packetsize) { 2243 /* 2244 * Try a soft reset after searching for a sync 2245 * byte through a packet length of bytes. 2246 */ 2247 VLOG(3, (LOG_DEBUG, 2248 "psmintr: re-enable the mouse.\n")); 2249 pb->inputbytes = 0; 2250 disable_aux_dev(sc->kbdc); 2251 enable_aux_dev(sc->kbdc); 2252 } else { 2253 VLOG(3, (LOG_DEBUG, 2254 "psmintr: discard a byte (%d)\n", 2255 sc->syncerrors)); 2256 pb->inputbytes--; 2257 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2258 pb->inputbytes); 2259 } 2260 continue; 2261 } 2262 2263 /* 2264 * We have what appears to be a valid packet. 2265 * Reset the error counters. 2266 */ 2267 sc->syncerrors = 0; 2268 2269 /* 2270 * Drop even good packets if they occur within a timeout 2271 * period of a sync error. This allows the detection of 2272 * a change in the mouse's packet mode without exposing 2273 * erratic mouse behavior to the user. Some KVMs forget 2274 * enhanced mouse modes during switch events. 2275 */ 2276 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2277 &now)) { 2278 pb->inputbytes = 0; 2279 continue; 2280 } 2281 2282 /* 2283 * Now that we're out of the validation period, reset 2284 * the packet error count. 2285 */ 2286 sc->pkterrors = 0; 2287 2288 sc->cmdcount++; 2289 next: 2290 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2291 sc->pqueue_end = 0; 2292 /* 2293 * If we've filled the queue then call the softintr ourselves, 2294 * otherwise schedule the interrupt for later. 2295 */ 2296 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2297 (sc->pqueue_end == sc->pqueue_start)) { 2298 if ((sc->state & PSM_SOFTARMED) != 0) { 2299 sc->state &= ~PSM_SOFTARMED; 2300 untimeout(psmsoftintr, arg, sc->softcallout); 2301 } 2302 psmsoftintr(arg); 2303 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2304 sc->state |= PSM_SOFTARMED; 2305 sc->softcallout = timeout(psmsoftintr, arg, 2306 psmhz < 1 ? 1 : (hz/psmhz)); 2307 } 2308 } 2309 } 2310 2311 static void 2312 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2313 int *x, int *y, int *z) 2314 { 2315 2316 /* 2317 * PS2++ protocl packet 2318 * 2319 * b7 b6 b5 b4 b3 b2 b1 b0 2320 * byte 1: * 1 p3 p2 1 * * * 2321 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2322 * 2323 * p3-p0: packet type 2324 * c1, c2: c1 & c2 == 1, if p2 == 0 2325 * c1 & c2 == 0, if p2 == 1 2326 * 2327 * packet type: 0 (device type) 2328 * See comments in enable_mmanplus() below. 2329 * 2330 * packet type: 1 (wheel data) 2331 * 2332 * b7 b6 b5 b4 b3 b2 b1 b0 2333 * byte 3: h * B5 B4 s d2 d1 d0 2334 * 2335 * h: 1, if horizontal roller data 2336 * 0, if vertical roller data 2337 * B4, B5: button 4 and 5 2338 * s: sign bit 2339 * d2-d0: roller data 2340 * 2341 * packet type: 2 (reserved) 2342 */ 2343 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2344 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2345 /* 2346 * the extended data packet encodes button 2347 * and wheel events 2348 */ 2349 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2350 case 1: 2351 /* wheel data packet */ 2352 *x = *y = 0; 2353 if (pb->ipacket[2] & 0x80) { 2354 /* XXX horizontal roller count - ignore it */ 2355 ; 2356 } else { 2357 /* vertical roller count */ 2358 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2359 (pb->ipacket[2] & 0x0f) - 16 : 2360 (pb->ipacket[2] & 0x0f); 2361 } 2362 ms->button |= (pb->ipacket[2] & 2363 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2364 MOUSE_BUTTON4DOWN : 0; 2365 ms->button |= (pb->ipacket[2] & 2366 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2367 MOUSE_BUTTON5DOWN : 0; 2368 break; 2369 case 2: 2370 /* 2371 * this packet type is reserved by 2372 * Logitech... 2373 */ 2374 /* 2375 * IBM ScrollPoint Mouse uses this 2376 * packet type to encode both vertical 2377 * and horizontal scroll movement. 2378 */ 2379 *x = *y = 0; 2380 /* horizontal count */ 2381 if (pb->ipacket[2] & 0x0f) 2382 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2383 -2 : 2; 2384 /* vertical count */ 2385 if (pb->ipacket[2] & 0xf0) 2386 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2387 -1 : 1; 2388 break; 2389 case 0: 2390 /* device type packet - shouldn't happen */ 2391 /* FALLTHROUGH */ 2392 default: 2393 *x = *y = 0; 2394 ms->button = ms->obutton; 2395 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2396 "type %d: 0x%02x 0x%02x 0x%02x\n", 2397 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2398 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2399 break; 2400 } 2401 } else { 2402 /* preserve button states */ 2403 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2404 } 2405 } 2406 2407 static int 2408 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2409 int *x, int *y, int *z) 2410 { 2411 static int touchpad_buttons; 2412 static int guest_buttons; 2413 int w, x0, y0, xavg, yavg, xsensitivity, ysensitivity, sensitivity = 0; 2414 2415 /* TouchPad PS/2 absolute mode message format 2416 * 2417 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2418 * ------------------------------------------------ 2419 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2420 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2421 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2422 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2423 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2424 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2425 * 2426 * Legend: 2427 * L: left physical mouse button 2428 * R: right physical mouse button 2429 * D: down button 2430 * U: up button 2431 * W: "wrist" value 2432 * X: x position 2433 * Y: x position 2434 * Z: pressure 2435 * 2436 * Absolute reportable limits: 0 - 6143. 2437 * Typical bezel limits: 1472 - 5472. 2438 * Typical edge marings: 1632 - 5312. 2439 * 2440 * w = 3 Passthrough Packet 2441 * 2442 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2443 */ 2444 2445 if (!synaptics_support) 2446 return (0); 2447 2448 /* Sanity check for out of sync packets. */ 2449 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2450 (pb->ipacket[3] & 0xc8) != 0xc0) 2451 return (-1); 2452 2453 *x = *y = x0 = y0 = 0; 2454 2455 /* Pressure value. */ 2456 *z = pb->ipacket[2]; 2457 2458 /* Finger width value */ 2459 if (sc->synhw.capExtended) 2460 w = ((pb->ipacket[0] & 0x30) >> 2) | 2461 ((pb->ipacket[0] & 0x04) >> 1) | 2462 ((pb->ipacket[3] & 0x04) >> 2); 2463 else { 2464 /* Assume a finger of regular width */ 2465 w = 4; 2466 } 2467 2468 /* Handle packets from the guest device */ 2469 if (w == 3 && sc->synhw.capPassthrough) { 2470 *x = ((pb->ipacket[1] & 0x10) ? 2471 pb->ipacket[4] - 256 : pb->ipacket[4]); 2472 *y = ((pb->ipacket[1] & 0x20) ? 2473 pb->ipacket[5] - 256 : pb->ipacket[5]); 2474 *z = 0; 2475 2476 guest_buttons = 0; 2477 if (pb->ipacket[1] & 0x01) 2478 guest_buttons |= MOUSE_BUTTON1DOWN; 2479 if (pb->ipacket[1] & 0x04) 2480 guest_buttons |= MOUSE_BUTTON2DOWN; 2481 if (pb->ipacket[1] & 0x02) 2482 guest_buttons |= MOUSE_BUTTON3DOWN; 2483 2484 ms->button = touchpad_buttons | guest_buttons; 2485 return (0); 2486 } 2487 2488 /* Button presses */ 2489 touchpad_buttons = 0; 2490 if (pb->ipacket[0] & 0x01) 2491 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2492 if (pb->ipacket[0] & 0x02) 2493 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2494 2495 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2496 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2497 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2498 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2499 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2500 } 2501 2502 /* 2503 * In newer pads - bit 0x02 in the third byte of 2504 * the packet indicates that we have an extended 2505 * button press. 2506 */ 2507 if (pb->ipacket[3] & 0x02) { 2508 /* 2509 * if directional_scrolls is not 1, we treat any of 2510 * the scrolling directions as middle-click. 2511 */ 2512 if (sc->syninfo.directional_scrolls) { 2513 if (pb->ipacket[4] & 0x01) 2514 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2515 if (pb->ipacket[5] & 0x01) 2516 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2517 if (pb->ipacket[4] & 0x02) 2518 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2519 if (pb->ipacket[5] & 0x02) 2520 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2521 } else { 2522 if ((pb->ipacket[4] & 0x0F) || (pb->ipacket[5] & 0x0F)) 2523 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2524 } 2525 } 2526 2527 ms->button = touchpad_buttons | guest_buttons; 2528 2529 /* There is a finger on the pad. */ 2530 if ((w >= 4 && w <= 7) && (*z >= 16 && *z < 200)) { 2531 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2532 ((pb->ipacket[1] & 0x0f) << 8) | pb->ipacket[4]; 2533 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2534 ((pb->ipacket[1] & 0xf0) << 4) | pb->ipacket[5]; 2535 2536 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 2537 *x = x0 - sc->xold; 2538 *y = y0 - sc->yold; 2539 2540 /* 2541 * we compute averages of x and y 2542 * movement 2543 */ 2544 if (sc->xaverage == 0) 2545 sc->xaverage = *x; 2546 2547 if (sc->yaverage == 0) 2548 sc->yaverage = *y; 2549 2550 xavg = sc->xaverage; 2551 yavg = sc->yaverage; 2552 2553 sc->xaverage = (xavg + *x) >> 1; 2554 sc->yaverage = (yavg + *y) >> 1; 2555 2556 /* 2557 * then use the averages to compute 2558 * a sensitivity level in each dimension 2559 */ 2560 xsensitivity = (sc->xaverage - xavg); 2561 if (xsensitivity < 0) 2562 xsensitivity = -xsensitivity; 2563 2564 ysensitivity = (sc->yaverage - yavg); 2565 if (ysensitivity < 0) 2566 ysensitivity = -ysensitivity; 2567 2568 /* 2569 * The sensitivity level is higher the faster 2570 * the finger is moving. It also tends to be 2571 * higher in the middle of a touchpad motion 2572 * than on either end 2573 * Note - sensitivity gets to 0 when moving slowly - 2574 * so we add 1 to it to give it a meaningful value 2575 * in that case. 2576 */ 2577 sensitivity = (xsensitivity & ysensitivity) + 1; 2578 2579 /* 2580 * If either our x or y change is greater than 2581 * our hi/low speed threshold - we do the high-speed 2582 * absolute to relative calculation otherwise 2583 * we do the low-speed calculation. 2584 */ 2585 if ((*x > sc->syninfo.low_speed_threshold || 2586 *x < -sc->syninfo.low_speed_threshold) || 2587 (*y > sc->syninfo.low_speed_threshold || 2588 *y < -sc->syninfo.low_speed_threshold)) { 2589 x0 = (x0 + sc->xold * 3) / 4; 2590 y0 = (y0 + sc->yold * 3) / 4; 2591 *x = (x0 - sc->xold) * 10 / 85; 2592 *y = (y0 - sc->yold) * 10 / 85; 2593 } else { 2594 /* 2595 * This is the low speed calculation. 2596 * We simply check to see if our movement is 2597 * more than our minimum movement threshold 2598 * and if it is - set the movement to 1 2599 * in the correct direction. 2600 * NOTE - Normally this would result 2601 * in pointer movement that was WAY too fast. 2602 * This works due to the movement squelch 2603 * we do later. 2604 */ 2605 if (*x < -sc->syninfo.min_movement) 2606 *x = -1; 2607 else if (*x > sc->syninfo.min_movement) 2608 *x = 1; 2609 else 2610 *x = 0; 2611 if (*y < -sc->syninfo.min_movement) 2612 *y = -1; 2613 else if (*y > sc->syninfo.min_movement) 2614 *y = 1; 2615 else 2616 *y = 0; 2617 2618 } 2619 } else 2620 sc->flags |= PSM_FLAGS_FINGERDOWN; 2621 2622 /* 2623 * The squelch process. Take our sensitivity value and 2624 * add it to the current squelch value - if squelch is 2625 * less than our squelch threshold we kill the movement, 2626 * otherwise we reset squelch and pass the movement through. 2627 * Since squelch is cumulative - when mouse movement is slow 2628 * (around sensitivity 1) the net result is that only 1 2629 * out of every squelch_level packets is delivered, 2630 * effectively slowing down the movement. 2631 */ 2632 sc->squelch += sensitivity; 2633 if (sc->squelch < sc->syninfo.squelch_level) { 2634 *x = 0; 2635 *y = 0; 2636 } else 2637 sc->squelch = 0; 2638 2639 sc->xold = x0; 2640 sc->yold = y0; 2641 sc->zmax = imax(*z, sc->zmax); 2642 } else { 2643 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 2644 2645 if (sc->zmax > tap_threshold && 2646 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 2647 if (w == 0) 2648 ms->button |= MOUSE_BUTTON3DOWN; 2649 else if (w == 1) 2650 ms->button |= MOUSE_BUTTON2DOWN; 2651 else 2652 ms->button |= MOUSE_BUTTON1DOWN; 2653 } 2654 2655 sc->zmax = 0; 2656 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2657 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2658 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2659 } 2660 2661 /* Use the extra buttons as a scrollwheel */ 2662 if (ms->button & MOUSE_BUTTON4DOWN) 2663 *z = -1; 2664 else if (ms->button & MOUSE_BUTTON5DOWN) 2665 *z = 1; 2666 else 2667 *z = 0; 2668 2669 return (0); 2670 } 2671 2672 static void 2673 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2674 int *x, int *y, int *z) 2675 { 2676 static int butmap_versapad[8] = { 2677 0, 2678 MOUSE_BUTTON3DOWN, 2679 0, 2680 MOUSE_BUTTON3DOWN, 2681 MOUSE_BUTTON1DOWN, 2682 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 2683 MOUSE_BUTTON1DOWN, 2684 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 2685 }; 2686 int c, x0, y0; 2687 2688 /* VersaPad PS/2 absolute mode message format 2689 * 2690 * [packet1] 7 6 5 4 3 2 1 0(LSB) 2691 * ipacket[0]: 1 1 0 A 1 L T R 2692 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 2693 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 2694 * ipacket[3]: 1 1 1 A 1 L T R 2695 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 2696 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 2697 * 2698 * [note] 2699 * R: right physical mouse button (1=on) 2700 * T: touch pad virtual button (1=tapping) 2701 * L: left physical mouse button (1=on) 2702 * A: position data is valid (1=valid) 2703 * H: horizontal data (12bit signed integer. H11 is sign bit.) 2704 * V: vertical data (12bit signed integer. V11 is sign bit.) 2705 * P: pressure data 2706 * 2707 * Tapping is mapped to MOUSE_BUTTON4. 2708 */ 2709 c = pb->ipacket[0]; 2710 *x = *y = 0; 2711 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 2712 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 2713 if (c & MOUSE_PS2VERSA_IN_USE) { 2714 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 2715 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 2716 if (x0 & 0x800) 2717 x0 -= 0x1000; 2718 if (y0 & 0x800) 2719 y0 -= 0x1000; 2720 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 2721 *x = sc->xold - x0; 2722 *y = y0 - sc->yold; 2723 if (*x < 0) /* XXX */ 2724 ++*x; 2725 else if (*x) 2726 --*x; 2727 if (*y < 0) 2728 ++*y; 2729 else if (*y) 2730 --*y; 2731 } else 2732 sc->flags |= PSM_FLAGS_FINGERDOWN; 2733 sc->xold = x0; 2734 sc->yold = y0; 2735 } else 2736 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 2737 } 2738 2739 static void 2740 psmsoftintr(void *arg) 2741 { 2742 /* 2743 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 2744 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 2745 */ 2746 static int butmap[8] = { 2747 0, 2748 MOUSE_BUTTON1DOWN, 2749 MOUSE_BUTTON3DOWN, 2750 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 2751 MOUSE_BUTTON2DOWN, 2752 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 2753 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 2754 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 2755 }; 2756 register struct psm_softc *sc = arg; 2757 mousestatus_t ms; 2758 packetbuf_t *pb; 2759 int x, y, z, c, l, s; 2760 2761 getmicrouptime(&sc->lastsoftintr); 2762 2763 s = spltty(); 2764 2765 do { 2766 pb = &sc->pqueue[sc->pqueue_start]; 2767 2768 if (sc->mode.level == PSM_LEVEL_NATIVE) 2769 goto next_native; 2770 2771 c = pb->ipacket[0]; 2772 /* 2773 * A kludge for Kensington device! 2774 * The MSB of the horizontal count appears to be stored in 2775 * a strange place. 2776 */ 2777 if (sc->hw.model == MOUSE_MODEL_THINK) 2778 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 2779 2780 /* ignore the overflow bits... */ 2781 x = (c & MOUSE_PS2_XNEG) ? 2782 pb->ipacket[1] - 256 : pb->ipacket[1]; 2783 y = (c & MOUSE_PS2_YNEG) ? 2784 pb->ipacket[2] - 256 : pb->ipacket[2]; 2785 z = 0; 2786 ms.obutton = sc->button; /* previous button state */ 2787 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 2788 /* `tapping' action */ 2789 if (sc->config & PSM_CONFIG_FORCETAP) 2790 ms.button |= ((c & MOUSE_PS2_TAP)) ? 2791 0 : MOUSE_BUTTON4DOWN; 2792 2793 switch (sc->hw.model) { 2794 2795 case MOUSE_MODEL_EXPLORER: 2796 /* 2797 * b7 b6 b5 b4 b3 b2 b1 b0 2798 * byte 1: oy ox sy sx 1 M R L 2799 * byte 2: x x x x x x x x 2800 * byte 3: y y y y y y y y 2801 * byte 4: * * S2 S1 s d2 d1 d0 2802 * 2803 * L, M, R, S1, S2: left, middle, right and side buttons 2804 * s: wheel data sign bit 2805 * d2-d0: wheel data 2806 */ 2807 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 2808 (pb->ipacket[3] & 0x0f) - 16 : 2809 (pb->ipacket[3] & 0x0f); 2810 ms.button |= 2811 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 2812 MOUSE_BUTTON4DOWN : 0; 2813 ms.button |= 2814 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 2815 MOUSE_BUTTON5DOWN : 0; 2816 break; 2817 2818 case MOUSE_MODEL_INTELLI: 2819 case MOUSE_MODEL_NET: 2820 /* wheel data is in the fourth byte */ 2821 z = (char)pb->ipacket[3]; 2822 /* 2823 * XXX some mice may send 7 when there is no Z movement? */ 2824 if ((z >= 7) || (z <= -7)) 2825 z = 0; 2826 /* some compatible mice have additional buttons */ 2827 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 2828 MOUSE_BUTTON4DOWN : 0; 2829 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 2830 MOUSE_BUTTON5DOWN : 0; 2831 break; 2832 2833 case MOUSE_MODEL_MOUSEMANPLUS: 2834 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 2835 break; 2836 2837 case MOUSE_MODEL_GLIDEPOINT: 2838 /* `tapping' action */ 2839 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 2840 MOUSE_BUTTON4DOWN; 2841 break; 2842 2843 case MOUSE_MODEL_NETSCROLL: 2844 /* 2845 * three addtional bytes encode buttons and 2846 * wheel events 2847 */ 2848 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 2849 MOUSE_BUTTON4DOWN : 0; 2850 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 2851 MOUSE_BUTTON5DOWN : 0; 2852 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 2853 pb->ipacket[4] - 256 : pb->ipacket[4]; 2854 break; 2855 2856 case MOUSE_MODEL_THINK: 2857 /* the fourth button state in the first byte */ 2858 ms.button |= (c & MOUSE_PS2_TAP) ? 2859 MOUSE_BUTTON4DOWN : 0; 2860 break; 2861 2862 case MOUSE_MODEL_VERSAPAD: 2863 proc_versapad(sc, pb, &ms, &x, &y, &z); 2864 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 2865 ((y < 0) ? MOUSE_PS2_YNEG : 0); 2866 break; 2867 2868 case MOUSE_MODEL_4D: 2869 /* 2870 * b7 b6 b5 b4 b3 b2 b1 b0 2871 * byte 1: s2 d2 s1 d1 1 M R L 2872 * byte 2: sx x x x x x x x 2873 * byte 3: sy y y y y y y y 2874 * 2875 * s1: wheel 1 direction 2876 * d1: wheel 1 data 2877 * s2: wheel 2 direction 2878 * d2: wheel 2 data 2879 */ 2880 x = (pb->ipacket[1] & 0x80) ? 2881 pb->ipacket[1] - 256 : pb->ipacket[1]; 2882 y = (pb->ipacket[2] & 0x80) ? 2883 pb->ipacket[2] - 256 : pb->ipacket[2]; 2884 switch (c & MOUSE_4D_WHEELBITS) { 2885 case 0x10: 2886 z = 1; 2887 break; 2888 case 0x30: 2889 z = -1; 2890 break; 2891 case 0x40: /* XXX 2nd wheel turning right */ 2892 z = 2; 2893 break; 2894 case 0xc0: /* XXX 2nd wheel turning left */ 2895 z = -2; 2896 break; 2897 } 2898 break; 2899 2900 case MOUSE_MODEL_4DPLUS: 2901 if ((x < 16 - 256) && (y < 16 - 256)) { 2902 /* 2903 * b7 b6 b5 b4 b3 b2 b1 b0 2904 * byte 1: 0 0 1 1 1 M R L 2905 * byte 2: 0 0 0 0 1 0 0 0 2906 * byte 3: 0 0 0 0 S s d1 d0 2907 * 2908 * L, M, R, S: left, middle, right, 2909 * and side buttons 2910 * s: wheel data sign bit 2911 * d1-d0: wheel data 2912 */ 2913 x = y = 0; 2914 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 2915 ms.button |= MOUSE_BUTTON4DOWN; 2916 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 2917 ((pb->ipacket[2] & 0x07) - 8) : 2918 (pb->ipacket[2] & 0x07) ; 2919 } else { 2920 /* preserve previous button states */ 2921 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 2922 } 2923 break; 2924 2925 case MOUSE_MODEL_SYNAPTICS: 2926 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 2927 goto next; 2928 break; 2929 2930 case MOUSE_MODEL_GENERIC: 2931 default: 2932 break; 2933 } 2934 2935 /* scale values */ 2936 if (sc->mode.accelfactor >= 1) { 2937 if (x != 0) { 2938 x = x * x / sc->mode.accelfactor; 2939 if (x == 0) 2940 x = 1; 2941 if (c & MOUSE_PS2_XNEG) 2942 x = -x; 2943 } 2944 if (y != 0) { 2945 y = y * y / sc->mode.accelfactor; 2946 if (y == 0) 2947 y = 1; 2948 if (c & MOUSE_PS2_YNEG) 2949 y = -y; 2950 } 2951 } 2952 2953 ms.dx = x; 2954 ms.dy = y; 2955 ms.dz = z; 2956 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 2957 (ms.obutton ^ ms.button); 2958 2959 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 2960 2961 sc->status.flags |= ms.flags; 2962 sc->status.dx += ms.dx; 2963 sc->status.dy += ms.dy; 2964 sc->status.dz += ms.dz; 2965 sc->status.button = ms.button; 2966 sc->button = ms.button; 2967 2968 next_native: 2969 sc->watchdog = FALSE; 2970 2971 /* queue data */ 2972 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 2973 l = imin(pb->inputbytes, 2974 sizeof(sc->queue.buf) - sc->queue.tail); 2975 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 2976 if (pb->inputbytes > l) 2977 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 2978 pb->inputbytes - l); 2979 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 2980 sizeof(sc->queue.buf); 2981 sc->queue.count += pb->inputbytes; 2982 } 2983 pb->inputbytes = 0; 2984 2985 next: 2986 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 2987 sc->pqueue_start = 0; 2988 } while (sc->pqueue_start != sc->pqueue_end); 2989 2990 if (sc->state & PSM_ASLP) { 2991 sc->state &= ~PSM_ASLP; 2992 wakeup(sc); 2993 } 2994 selwakeuppri(&sc->rsel, PZERO); 2995 if (sc->async != NULL) { 2996 pgsigio(&sc->async, SIGIO, 0); 2997 } 2998 sc->state &= ~PSM_SOFTARMED; 2999 splx(s); 3000 } 3001 3002 static int 3003 psmpoll(struct cdev *dev, int events, struct thread *td) 3004 { 3005 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 3006 int s; 3007 int revents = 0; 3008 3009 /* Return true if a mouse event available */ 3010 s = spltty(); 3011 if (events & (POLLIN | POLLRDNORM)) { 3012 if (sc->queue.count > 0) 3013 revents |= events & (POLLIN | POLLRDNORM); 3014 else 3015 selrecord(td, &sc->rsel); 3016 } 3017 splx(s); 3018 3019 return (revents); 3020 } 3021 3022 /* vendor/model specific routines */ 3023 3024 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3025 { 3026 if (set_mouse_resolution(kbdc, res) != res) 3027 return (FALSE); 3028 if (set_mouse_scaling(kbdc, scale) && 3029 set_mouse_scaling(kbdc, scale) && 3030 set_mouse_scaling(kbdc, scale) && 3031 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3032 return (TRUE); 3033 return (FALSE); 3034 } 3035 3036 static int 3037 mouse_ext_command(KBDC kbdc, int command) 3038 { 3039 int c; 3040 3041 c = (command >> 6) & 0x03; 3042 if (set_mouse_resolution(kbdc, c) != c) 3043 return (FALSE); 3044 c = (command >> 4) & 0x03; 3045 if (set_mouse_resolution(kbdc, c) != c) 3046 return (FALSE); 3047 c = (command >> 2) & 0x03; 3048 if (set_mouse_resolution(kbdc, c) != c) 3049 return (FALSE); 3050 c = (command >> 0) & 0x03; 3051 if (set_mouse_resolution(kbdc, c) != c) 3052 return (FALSE); 3053 return (TRUE); 3054 } 3055 3056 #ifdef notyet 3057 /* Logitech MouseMan Cordless II */ 3058 static int 3059 enable_lcordless(struct psm_softc *sc) 3060 { 3061 int status[3]; 3062 int ch; 3063 3064 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 3065 return (FALSE); 3066 if (status[1] == PSMD_RES_HIGH) 3067 return (FALSE); 3068 ch = (status[0] & 0x07) - 1; /* channel # */ 3069 if ((ch <= 0) || (ch > 4)) 3070 return (FALSE); 3071 /* 3072 * status[1]: always one? 3073 * status[2]: battery status? (0-100) 3074 */ 3075 return (TRUE); 3076 } 3077 #endif /* notyet */ 3078 3079 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3080 static int 3081 enable_groller(struct psm_softc *sc) 3082 { 3083 int status[3]; 3084 3085 /* 3086 * The special sequence to enable the fourth button and the 3087 * roller. Immediately after this sequence check status bytes. 3088 * if the mouse is NetScroll, the second and the third bytes are 3089 * '3' and 'D'. 3090 */ 3091 3092 /* 3093 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3094 * look like the following. 3095 * 3096 * byte 1 bit 7 always 0 3097 * bit 6 stream mode (0) 3098 * bit 5 disabled (0) 3099 * bit 4 1:1 scaling (0) 3100 * bit 3 always 0 3101 * bit 0-2 button status 3102 * byte 2 resolution (PSMD_RES_HIGH) 3103 * byte 3 report rate (?) 3104 */ 3105 3106 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3107 return (FALSE); 3108 if ((status[1] != '3') || (status[2] != 'D')) 3109 return (FALSE); 3110 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3111 sc->hw.buttons = 4; 3112 return (TRUE); 3113 } 3114 3115 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3116 static int 3117 enable_gmouse(struct psm_softc *sc) 3118 { 3119 int status[3]; 3120 3121 /* 3122 * The special sequence to enable the middle, "rubber" button. 3123 * Immediately after this sequence check status bytes. 3124 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3125 * the second and the third bytes are '3' and 'U'. 3126 * NOTE: NetMouse reports that it has three buttons although it has 3127 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3128 * say they have three buttons too and they do have a button on the 3129 * side... 3130 */ 3131 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3132 return (FALSE); 3133 if ((status[1] != '3') || (status[2] != 'U')) 3134 return (FALSE); 3135 return (TRUE); 3136 } 3137 3138 /* ALPS GlidePoint */ 3139 static int 3140 enable_aglide(struct psm_softc *sc) 3141 { 3142 int status[3]; 3143 3144 /* 3145 * The special sequence to obtain ALPS GlidePoint specific 3146 * information. Immediately after this sequence, status bytes will 3147 * contain something interesting. 3148 * NOTE: ALPS produces several models of GlidePoint. Some of those 3149 * do not respond to this sequence, thus, cannot be detected this way. 3150 */ 3151 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 3152 return (FALSE); 3153 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 3154 return (FALSE); 3155 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3156 return (FALSE); 3157 return (TRUE); 3158 } 3159 3160 /* Kensington ThinkingMouse/Trackball */ 3161 static int 3162 enable_kmouse(struct psm_softc *sc) 3163 { 3164 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3165 KBDC kbdc = sc->kbdc; 3166 int status[3]; 3167 int id1; 3168 int id2; 3169 int i; 3170 3171 id1 = get_aux_id(kbdc); 3172 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3173 return (FALSE); 3174 /* 3175 * The device is now in the native mode? It returns a different 3176 * ID value... 3177 */ 3178 id2 = get_aux_id(kbdc); 3179 if ((id1 == id2) || (id2 != 2)) 3180 return (FALSE); 3181 3182 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3183 return (FALSE); 3184 #if PSM_DEBUG >= 2 3185 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3186 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3187 return (FALSE); 3188 #endif 3189 3190 /* 3191 * The special sequence to enable the third and fourth buttons. 3192 * Otherwise they behave like the first and second buttons. 3193 */ 3194 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3195 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3196 return (FALSE); 3197 3198 /* 3199 * At this point, the device is using default resolution and 3200 * sampling rate for the native mode. 3201 */ 3202 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3203 return (FALSE); 3204 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3205 return (FALSE); 3206 3207 /* the device appears be enabled by this sequence, diable it for now */ 3208 disable_aux_dev(kbdc); 3209 empty_aux_buffer(kbdc, 5); 3210 3211 return (TRUE); 3212 } 3213 3214 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3215 static int 3216 enable_mmanplus(struct psm_softc *sc) 3217 { 3218 KBDC kbdc = sc->kbdc; 3219 int data[3]; 3220 3221 /* the special sequence to enable the fourth button and the roller. */ 3222 /* 3223 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3224 * must be called exactly three times since the last RESET command 3225 * before this sequence. XXX 3226 */ 3227 if (!set_mouse_scaling(kbdc, 1)) 3228 return (FALSE); 3229 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3230 return (FALSE); 3231 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3232 return (FALSE); 3233 3234 /* 3235 * PS2++ protocl, packet type 0 3236 * 3237 * b7 b6 b5 b4 b3 b2 b1 b0 3238 * byte 1: * 1 p3 p2 1 * * * 3239 * byte 2: 1 1 p1 p0 m1 m0 1 0 3240 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3241 * 3242 * p3-p0: packet type: 0 3243 * m7-m0: model ID: MouseMan+:0x50, 3244 * FirstMouse+:0x51, 3245 * ScrollPoint:0x58... 3246 */ 3247 /* check constant bits */ 3248 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3249 return (FALSE); 3250 if ((data[1] & 0xc3) != 0xc2) 3251 return (FALSE); 3252 /* check d3-d0 in byte 2 */ 3253 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3254 return (FALSE); 3255 /* check p3-p0 */ 3256 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3257 return (FALSE); 3258 3259 sc->hw.hwid &= 0x00ff; 3260 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3261 3262 /* 3263 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3264 * the wheel and the fourth button events are encoded in the 3265 * special data packet. The mouse may be put in the IntelliMouse mode 3266 * if it is initialized by the IntelliMouse's method. 3267 */ 3268 return (TRUE); 3269 } 3270 3271 /* MS IntelliMouse Explorer */ 3272 static int 3273 enable_msexplorer(struct psm_softc *sc) 3274 { 3275 static u_char rate0[] = { 200, 100, 80, }; 3276 static u_char rate1[] = { 200, 200, 80, }; 3277 KBDC kbdc = sc->kbdc; 3278 int id; 3279 int i; 3280 3281 /* 3282 * This is needed for at least A4Tech X-7xx mice - they do not go 3283 * straight to Explorer mode, but need to be set to Intelli mode 3284 * first. 3285 */ 3286 enable_msintelli(sc); 3287 3288 /* the special sequence to enable the extra buttons and the roller. */ 3289 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) 3290 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3291 return (FALSE); 3292 /* the device will give the genuine ID only after the above sequence */ 3293 id = get_aux_id(kbdc); 3294 if (id != PSM_EXPLORER_ID) 3295 return (FALSE); 3296 3297 sc->hw.hwid = id; 3298 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3299 3300 /* 3301 * XXX: this is a kludge to fool some KVM switch products 3302 * which think they are clever enough to know the 4-byte IntelliMouse 3303 * protocol, and assume any other protocols use 3-byte packets. 3304 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3305 * correctly to the host computer because of this! 3306 * The following sequence is actually IntelliMouse's "wake up" 3307 * sequence; it will make the KVM think the mouse is IntelliMouse 3308 * when it is in fact IntelliMouse Explorer. 3309 */ 3310 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) 3311 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3312 break; 3313 id = get_aux_id(kbdc); 3314 3315 return (TRUE); 3316 } 3317 3318 /* MS IntelliMouse */ 3319 static int 3320 enable_msintelli(struct psm_softc *sc) 3321 { 3322 /* 3323 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3324 * probe routine and act like IntelliMouse. 3325 */ 3326 3327 static u_char rate[] = { 200, 100, 80, }; 3328 KBDC kbdc = sc->kbdc; 3329 int id; 3330 int i; 3331 3332 /* the special sequence to enable the third button and the roller. */ 3333 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3334 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3335 return (FALSE); 3336 /* the device will give the genuine ID only after the above sequence */ 3337 id = get_aux_id(kbdc); 3338 if (id != PSM_INTELLI_ID) 3339 return (FALSE); 3340 3341 sc->hw.hwid = id; 3342 sc->hw.buttons = 3; 3343 3344 return (TRUE); 3345 } 3346 3347 /* A4 Tech 4D Mouse */ 3348 static int 3349 enable_4dmouse(struct psm_softc *sc) 3350 { 3351 /* 3352 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3353 */ 3354 3355 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3356 KBDC kbdc = sc->kbdc; 3357 int id; 3358 int i; 3359 3360 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3361 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3362 return (FALSE); 3363 id = get_aux_id(kbdc); 3364 /* 3365 * WinEasy 4D, 4 Way Scroll 4D: 6 3366 * Cable-Free 4D: 8 (4DPLUS) 3367 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3368 */ 3369 if (id != PSM_4DMOUSE_ID) 3370 return (FALSE); 3371 3372 sc->hw.hwid = id; 3373 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3374 3375 return (TRUE); 3376 } 3377 3378 /* A4 Tech 4D+ Mouse */ 3379 static int 3380 enable_4dplus(struct psm_softc *sc) 3381 { 3382 /* 3383 * Newer wheel mice from A4 Tech seem to use this protocol. 3384 * Older models are recognized as either 4D Mouse or IntelliMouse. 3385 */ 3386 KBDC kbdc = sc->kbdc; 3387 int id; 3388 3389 /* 3390 * enable_4dmouse() already issued the following ID sequence... 3391 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3392 int i; 3393 3394 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3395 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3396 return (FALSE); 3397 */ 3398 3399 id = get_aux_id(kbdc); 3400 switch (id) { 3401 case PSM_4DPLUS_ID: 3402 sc->hw.buttons = 4; 3403 break; 3404 case PSM_4DPLUS_RFSW35_ID: 3405 sc->hw.buttons = 3; 3406 break; 3407 default: 3408 return (FALSE); 3409 } 3410 3411 sc->hw.hwid = id; 3412 3413 return (TRUE); 3414 } 3415 3416 /* Synaptics Touchpad */ 3417 static int 3418 enable_synaptics(struct psm_softc *sc) 3419 { 3420 int status[3]; 3421 KBDC kbdc; 3422 3423 if (!synaptics_support) 3424 return (FALSE); 3425 3426 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 3427 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 3428 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 3429 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 3430 0, "Synaptics TouchPad"); 3431 3432 /* 3433 * synaptics_directional_scrolls - if non-zero, the directional 3434 * pad scrolls, otherwise it registers as a middle-click. 3435 */ 3436 sc->syninfo.directional_scrolls = 1; 3437 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 3438 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 3439 "directional_scrolls", CTLFLAG_RW, 3440 &sc->syninfo.directional_scrolls, 0, 3441 "directional pad scrolls (1=yes 0=3rd button)"); 3442 3443 /* 3444 * Synaptics_low_speed_threshold - the number of touchpad units 3445 * below-which we go into low-speed tracking mode. 3446 */ 3447 sc->syninfo.low_speed_threshold = 20; 3448 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 3449 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 3450 "low_speed_threshold", CTLFLAG_RW, 3451 &sc->syninfo.low_speed_threshold, 0, 3452 "threshold between low and hi speed positioning"); 3453 3454 /* 3455 * Synaptics_min_movement - the number of touchpad units below 3456 * which we ignore altogether. 3457 */ 3458 sc->syninfo.min_movement = 2; 3459 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 3460 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 3461 "min_movement", CTLFLAG_RW, 3462 &sc->syninfo.min_movement, 0, 3463 "ignore touchpad movements less than this"); 3464 3465 /* 3466 * Synaptics_squelch_level - level at which we squelch movement 3467 * packets. 3468 * 3469 * This effectively sends 1 out of every synaptics_squelch_level 3470 * packets when * running in low-speed mode. 3471 */ 3472 sc->syninfo.squelch_level=3; 3473 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 3474 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 3475 "squelch_level", CTLFLAG_RW, 3476 &sc->syninfo.squelch_level, 0, 3477 "squelch level for synaptics touchpads"); 3478 3479 kbdc = sc->kbdc; 3480 disable_aux_dev(kbdc); 3481 sc->hw.buttons = 3; 3482 sc->squelch = 0; 3483 3484 /* Just to be on the safe side */ 3485 set_mouse_scaling(kbdc, 1); 3486 3487 /* Identify the Touchpad version */ 3488 if (mouse_ext_command(kbdc, 0) == 0) 3489 return (FALSE); 3490 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3491 return (FALSE); 3492 if (status[1] != 0x47) 3493 return (FALSE); 3494 3495 sc->synhw.infoMinor = status[0]; 3496 sc->synhw.infoMajor = status[2] & 0x0f; 3497 3498 if (verbose >= 2) 3499 printf("Synaptics Touchpad v%d.%d\n", sc->synhw.infoMajor, 3500 sc->synhw.infoMinor); 3501 3502 if (sc->synhw.infoMajor < 4) { 3503 printf(" Unsupported (pre-v4) Touchpad detected\n"); 3504 return (FALSE); 3505 } 3506 3507 /* Get the Touchpad model information */ 3508 if (mouse_ext_command(kbdc, 3) == 0) 3509 return (FALSE); 3510 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3511 return (FALSE); 3512 if ((status[1] & 0x01) != 0) { 3513 printf(" Failed to read model information\n"); 3514 return (FALSE); 3515 } 3516 3517 sc->synhw.infoRot180 = (status[0] & 0x80) >> 7; 3518 sc->synhw.infoPortrait = (status[0] & 0x40) >> 6; 3519 sc->synhw.infoSensor = status[0] & 0x3f; 3520 sc->synhw.infoHardware = (status[1] & 0xfe) >> 1; 3521 sc->synhw.infoNewAbs = (status[2] & 0x80) >> 7; 3522 sc->synhw.capPen = (status[2] & 0x40) >> 6; 3523 sc->synhw.infoSimplC = (status[2] & 0x20) >> 5; 3524 sc->synhw.infoGeometry = status[2] & 0x0f; 3525 3526 if (verbose >= 2) { 3527 printf(" Model information:\n"); 3528 printf(" infoRot180: %d\n", sc->synhw.infoRot180); 3529 printf(" infoPortrait: %d\n", sc->synhw.infoPortrait); 3530 printf(" infoSensor: %d\n", sc->synhw.infoSensor); 3531 printf(" infoHardware: %d\n", sc->synhw.infoHardware); 3532 printf(" infoNewAbs: %d\n", sc->synhw.infoNewAbs); 3533 printf(" capPen: %d\n", sc->synhw.capPen); 3534 printf(" infoSimplC: %d\n", sc->synhw.infoSimplC); 3535 printf(" infoGeometry: %d\n", sc->synhw.infoGeometry); 3536 } 3537 3538 /* Read the extended capability bits */ 3539 if (mouse_ext_command(kbdc, 2) == 0) 3540 return (FALSE); 3541 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3542 return (FALSE); 3543 if (status[1] != 0x47) { 3544 printf(" Failed to read extended capability bits\n"); 3545 return (FALSE); 3546 } 3547 3548 /* Set the different capabilities when they exist */ 3549 if ((status[0] & 0x80) >> 7) { 3550 sc->synhw.capExtended = (status[0] & 0x80) >> 7; 3551 sc->synhw.capPassthrough = (status[2] & 0x80) >> 7; 3552 sc->synhw.capSleep = (status[2] & 0x10) >> 4; 3553 sc->synhw.capFourButtons = (status[2] & 0x08) >> 3; 3554 sc->synhw.capMultiFinger = (status[2] & 0x02) >> 1; 3555 sc->synhw.capPalmDetect = (status[2] & 0x01); 3556 3557 if (verbose >= 2) { 3558 printf(" Extended capabilities:\n"); 3559 printf(" capExtended: %d\n", sc->synhw.capExtended); 3560 printf(" capPassthrough: %d\n", 3561 sc->synhw.capPassthrough); 3562 printf(" capSleep: %d\n", sc->synhw.capSleep); 3563 printf(" capFourButtons: %d\n", 3564 sc->synhw.capFourButtons); 3565 printf(" capMultiFinger: %d\n", 3566 sc->synhw.capMultiFinger); 3567 printf(" capPalmDetect: %d\n", 3568 sc->synhw.capPalmDetect); 3569 } 3570 3571 /* 3572 * if we have bits set in status[0] & 0x70 - then we can load 3573 * more information about buttons using query 0x09 3574 */ 3575 if (status[0] & 0x70) { 3576 if (mouse_ext_command(kbdc, 0x09) == 0) 3577 return (FALSE); 3578 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3579 return (FALSE); 3580 sc->hw.buttons = ((status[1] & 0xf0) >> 4) + 3; 3581 if (verbose >= 2) 3582 printf(" Additional Buttons: %d\n", 3583 sc->hw.buttons -3); 3584 } 3585 } else { 3586 sc->synhw.capExtended = 0; 3587 3588 if (verbose >= 2) 3589 printf(" No extended capabilities\n"); 3590 } 3591 3592 /* 3593 * Read the mode byte 3594 * 3595 * XXX: Note the Synaptics documentation also defines the first 3596 * byte of the response to this query to be a constant 0x3b, this 3597 * does not appear to be true for Touchpads with guest devices. 3598 */ 3599 if (mouse_ext_command(kbdc, 1) == 0) 3600 return (FALSE); 3601 if (get_mouse_status(kbdc, status, 0, 3) != 3) 3602 return (FALSE); 3603 if (status[1] != 0x47) { 3604 printf(" Failed to read mode byte\n"); 3605 return (FALSE); 3606 } 3607 3608 /* Set the mode byte -- request wmode where available */ 3609 if (sc->synhw.capExtended) 3610 mouse_ext_command(kbdc, 0xc1); 3611 else 3612 mouse_ext_command(kbdc, 0xc0); 3613 3614 /* Reset the sampling rate */ 3615 set_mouse_sampling_rate(kbdc, 20); 3616 3617 /* 3618 * Report the correct number of buttons 3619 * 3620 * XXX: I'm not sure this is used anywhere. 3621 */ 3622 if (sc->synhw.capExtended && sc->synhw.capFourButtons) 3623 sc->hw.buttons = 4; 3624 3625 return (TRUE); 3626 } 3627 3628 /* Interlink electronics VersaPad */ 3629 static int 3630 enable_versapad(struct psm_softc *sc) 3631 { 3632 KBDC kbdc = sc->kbdc; 3633 int data[3]; 3634 3635 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 3636 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 3637 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3638 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3639 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3640 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3641 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 3642 return (FALSE); 3643 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 3644 return (FALSE); 3645 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 3646 3647 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 3648 3649 return (TRUE); /* PS/2 absolute mode */ 3650 } 3651 3652 /* 3653 * Return true if 'now' is earlier than (start + (secs.usecs)). 3654 * Now may be NULL and the function will fetch the current time from 3655 * getmicrouptime(), or a cached 'now' can be passed in. 3656 * All values should be numbers derived from getmicrouptime(). 3657 */ 3658 static int 3659 timeelapsed(start, secs, usecs, now) 3660 const struct timeval *start, *now; 3661 int secs, usecs; 3662 { 3663 struct timeval snow, tv; 3664 3665 /* if there is no 'now' passed in, the get it as a convience. */ 3666 if (now == NULL) { 3667 getmicrouptime(&snow); 3668 now = &snow; 3669 } 3670 3671 tv.tv_sec = secs; 3672 tv.tv_usec = usecs; 3673 timevaladd(&tv, start); 3674 return (timevalcmp(&tv, now, <)); 3675 } 3676 3677 static int 3678 psmresume(device_t dev) 3679 { 3680 struct psm_softc *sc = device_get_softc(dev); 3681 int unit = device_get_unit(dev); 3682 int err; 3683 3684 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 3685 3686 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 3687 return (0); 3688 3689 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 3690 3691 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 3692 /* 3693 * Release the blocked process; it must be notified that 3694 * the device cannot be accessed anymore. 3695 */ 3696 sc->state &= ~PSM_ASLP; 3697 wakeup(sc); 3698 } 3699 3700 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 3701 3702 return (err); 3703 } 3704 3705 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 3706 3707 #ifdef DEV_ISA 3708 3709 /* 3710 * This sucks up assignments from PNPBIOS and ACPI. 3711 */ 3712 3713 /* 3714 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 3715 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 3716 * can be probed and attached only after the AT keyboard controller is 3717 * attached, we shall quietly reserve the IRQ resource for later use. 3718 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 3719 * copy the IRQ resource to the PS/2 mouse device instance hanging 3720 * under the keyboard controller, then probe and attach it. 3721 */ 3722 3723 static devclass_t psmcpnp_devclass; 3724 3725 static device_probe_t psmcpnp_probe; 3726 static device_attach_t psmcpnp_attach; 3727 3728 static device_method_t psmcpnp_methods[] = { 3729 DEVMETHOD(device_probe, psmcpnp_probe), 3730 DEVMETHOD(device_attach, psmcpnp_attach), 3731 3732 { 0, 0 } 3733 }; 3734 3735 static driver_t psmcpnp_driver = { 3736 PSMCPNP_DRIVER_NAME, 3737 psmcpnp_methods, 3738 1, /* no softc */ 3739 }; 3740 3741 static struct isa_pnp_id psmcpnp_ids[] = { 3742 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 3743 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 3744 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 3745 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 3746 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 3747 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 3748 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 3749 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 3750 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 3751 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 3752 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 3753 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 3754 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 3755 { 0 } 3756 }; 3757 3758 static int 3759 create_a_copy(device_t atkbdc, device_t me) 3760 { 3761 device_t psm; 3762 u_long irq; 3763 3764 /* find the PS/2 mouse device instance under the keyboard controller */ 3765 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 3766 device_get_unit(atkbdc)); 3767 if (psm == NULL) 3768 return (ENXIO); 3769 if (device_get_state(psm) != DS_NOTPRESENT) 3770 return (0); 3771 3772 /* move our resource to the found device */ 3773 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 3774 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 3775 3776 /* ...then probe and attach it */ 3777 return (device_probe_and_attach(psm)); 3778 } 3779 3780 static int 3781 psmcpnp_probe(device_t dev) 3782 { 3783 struct resource *res; 3784 u_long irq; 3785 int rid; 3786 3787 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 3788 return (ENXIO); 3789 3790 /* 3791 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 3792 * to the PS/2 mouse device node. But, some buggy PnP BIOS 3793 * declares the PS/2 mouse device node without an IRQ resource! 3794 * If this happens, we shall refer to device hints. 3795 * If we still don't find it there, use a hardcoded value... XXX 3796 */ 3797 rid = 0; 3798 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 3799 if (irq <= 0) { 3800 if (resource_long_value(PSM_DRIVER_NAME, 3801 device_get_unit(dev),"irq", &irq) != 0) 3802 irq = 12; /* XXX */ 3803 device_printf(dev, "irq resource info is missing; " 3804 "assuming irq %ld\n", irq); 3805 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 3806 } 3807 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 3808 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 3809 3810 /* keep quiet */ 3811 if (!bootverbose) 3812 device_quiet(dev); 3813 3814 return ((res == NULL) ? ENXIO : 0); 3815 } 3816 3817 static int 3818 psmcpnp_attach(device_t dev) 3819 { 3820 device_t atkbdc; 3821 int rid; 3822 3823 /* find the keyboard controller, which may be on acpi* or isa* bus */ 3824 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 3825 device_get_unit(dev)); 3826 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 3827 create_a_copy(atkbdc, dev); 3828 else { 3829 /* 3830 * If we don't have the AT keyboard controller yet, 3831 * just reserve the IRQ for later use... 3832 * (See psmidentify() above.) 3833 */ 3834 rid = 0; 3835 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 3836 } 3837 3838 return (0); 3839 } 3840 3841 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 3842 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 3843 3844 #endif /* DEV_ISA */
Cache object: 8c19a49053d7dccde3b0f511675d1129
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]