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("$FreeBSD$"); 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) (dev2unit(dev) >> 1) 148 #define PSM_NBLOCKIO(dev) (dev2unit(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 enum { 170 SYNAPTICS_SYSCTL_MIN_PRESSURE, 171 SYNAPTICS_SYSCTL_MAX_PRESSURE, 172 SYNAPTICS_SYSCTL_MAX_WIDTH, 173 SYNAPTICS_SYSCTL_MARGIN_TOP, 174 SYNAPTICS_SYSCTL_MARGIN_RIGHT, 175 SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 176 SYNAPTICS_SYSCTL_MARGIN_LEFT, 177 SYNAPTICS_SYSCTL_NA_TOP, 178 SYNAPTICS_SYSCTL_NA_RIGHT, 179 SYNAPTICS_SYSCTL_NA_BOTTOM, 180 SYNAPTICS_SYSCTL_NA_LEFT, 181 SYNAPTICS_SYSCTL_WINDOW_MIN, 182 SYNAPTICS_SYSCTL_WINDOW_MAX, 183 SYNAPTICS_SYSCTL_MULTIPLICATOR, 184 SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 185 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 186 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 187 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 188 SYNAPTICS_SYSCTL_DIV_MIN, 189 SYNAPTICS_SYSCTL_DIV_MAX, 190 SYNAPTICS_SYSCTL_DIV_MAX_NA, 191 SYNAPTICS_SYSCTL_DIV_LEN, 192 SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 193 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 194 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 195 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 196 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 197 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 198 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 199 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX 200 }; 201 202 typedef struct synapticsinfo { 203 struct sysctl_ctx_list sysctl_ctx; 204 struct sysctl_oid *sysctl_tree; 205 int directional_scrolls; 206 int min_pressure; 207 int max_pressure; 208 int max_width; 209 int margin_top; 210 int margin_right; 211 int margin_bottom; 212 int margin_left; 213 int na_top; 214 int na_right; 215 int na_bottom; 216 int na_left; 217 int window_min; 218 int window_max; 219 int multiplicator; 220 int weight_current; 221 int weight_previous; 222 int weight_previous_na; 223 int weight_len_squared; 224 int div_min; 225 int div_max; 226 int div_max_na; 227 int div_len; 228 int tap_max_delta; 229 int tap_min_queue; 230 int taphold_timeout; 231 int vscroll_ver_area; 232 int vscroll_hor_area; 233 int vscroll_min_delta; 234 int vscroll_div_min; 235 int vscroll_div_max; 236 } synapticsinfo_t; 237 238 typedef struct synapticspacket { 239 int x; 240 int y; 241 } synapticspacket_t; 242 243 #define SYNAPTICS_PACKETQUEUE 10 244 #define SYNAPTICS_QUEUE_CURSOR(x) \ 245 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 246 247 typedef struct synapticsaction { 248 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 249 int queue_len; 250 int queue_cursor; 251 int window_min; 252 int start_x; 253 int start_y; 254 int avg_dx; 255 int avg_dy; 256 int squelch_x; 257 int squelch_y; 258 int fingers_nb; 259 int tap_button; 260 int in_taphold; 261 int in_vscroll; 262 } synapticsaction_t; 263 264 /* driver control block */ 265 struct psm_softc { /* Driver status information */ 266 int unit; 267 struct selinfo rsel; /* Process selecting for Input */ 268 u_char state; /* Mouse driver state */ 269 int config; /* driver configuration flags */ 270 int flags; /* other flags */ 271 KBDC kbdc; /* handle to access kbd controller */ 272 struct resource *intr; /* IRQ resource */ 273 void *ih; /* interrupt handle */ 274 mousehw_t hw; /* hardware information */ 275 synapticshw_t synhw; /* Synaptics hardware information */ 276 synapticsinfo_t syninfo; /* Synaptics configuration */ 277 synapticsaction_t synaction; /* Synaptics action context */ 278 mousemode_t mode; /* operation mode */ 279 mousemode_t dflt_mode; /* default operation mode */ 280 mousestatus_t status; /* accumulated mouse movement */ 281 ringbuf_t queue; /* mouse status queue */ 282 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 283 int pqueue_start; /* start of data in queue */ 284 int pqueue_end; /* end of data in queue */ 285 int button; /* the latest button state */ 286 int xold; /* previous absolute X position */ 287 int yold; /* previous absolute Y position */ 288 int xaverage; /* average X position */ 289 int yaverage; /* average Y position */ 290 int squelch; /* level to filter movement at low speed */ 291 int zmax; /* maximum pressure value for touchpads */ 292 int syncerrors; /* # of bytes discarded to synchronize */ 293 int pkterrors; /* # of packets failed during quaranteen. */ 294 struct timeval inputtimeout; 295 struct timeval lastsoftintr; /* time of last soft interrupt */ 296 struct timeval lastinputerr; /* time last sync error happened */ 297 struct timeval taptimeout; /* tap timeout for touchpads */ 298 int watchdog; /* watchdog timer flag */ 299 struct callout_handle callout; /* watchdog timer call out */ 300 struct callout_handle softcallout; /* buffer timer call out */ 301 struct cdev *dev; 302 struct cdev *bdev; 303 int lasterr; 304 int cmdcount; 305 struct sigio *async; /* Processes waiting for SIGIO */ 306 }; 307 static devclass_t psm_devclass; 308 #define PSM_SOFTC(unit) \ 309 ((struct psm_softc*)devclass_get_softc(psm_devclass, unit)) 310 311 /* driver state flags (state) */ 312 #define PSM_VALID 0x80 313 #define PSM_OPEN 1 /* Device is open */ 314 #define PSM_ASLP 2 /* Waiting for mouse data */ 315 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 316 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 317 318 /* driver configuration flags (config) */ 319 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 320 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 321 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 322 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 323 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 324 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 325 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 326 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 327 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 328 #define PSM_CONFIG_SYNCHACK 0x8000 /* enable `out-of-sync' hack */ 329 330 #define PSM_CONFIG_FLAGS \ 331 (PSM_CONFIG_RESOLUTION | \ 332 PSM_CONFIG_ACCEL | \ 333 PSM_CONFIG_NOCHECKSYNC | \ 334 PSM_CONFIG_SYNCHACK | \ 335 PSM_CONFIG_NOIDPROBE | \ 336 PSM_CONFIG_NORESET | \ 337 PSM_CONFIG_FORCETAP | \ 338 PSM_CONFIG_IGNPORTERROR | \ 339 PSM_CONFIG_HOOKRESUME | \ 340 PSM_CONFIG_INITAFTERSUSPEND) 341 342 /* other flags (flags) */ 343 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 344 345 /* Tunables */ 346 static int synaptics_support = 0; 347 TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 348 349 static int verbose = PSM_DEBUG; 350 TUNABLE_INT("debug.psm.loglevel", &verbose); 351 352 /* for backward compatibility */ 353 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 354 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 355 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 356 357 typedef struct old_mousehw { 358 int buttons; 359 int iftype; 360 int type; 361 int hwid; 362 } old_mousehw_t; 363 364 typedef struct old_mousemode { 365 int protocol; 366 int rate; 367 int resolution; 368 int accelfactor; 369 } old_mousemode_t; 370 371 /* packet formatting function */ 372 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 373 mousestatus_t *); 374 375 /* function prototypes */ 376 static void psmidentify(driver_t *, device_t); 377 static int psmprobe(device_t); 378 static int psmattach(device_t); 379 static int psmdetach(device_t); 380 static int psmresume(device_t); 381 382 static d_open_t psmopen; 383 static d_close_t psmclose; 384 static d_read_t psmread; 385 static d_write_t psmwrite; 386 static d_ioctl_t psmioctl; 387 static d_poll_t psmpoll; 388 389 static int enable_aux_dev(KBDC); 390 static int disable_aux_dev(KBDC); 391 static int get_mouse_status(KBDC, int *, int, int); 392 static int get_aux_id(KBDC); 393 static int set_mouse_sampling_rate(KBDC, int); 394 static int set_mouse_scaling(KBDC, int); 395 static int set_mouse_resolution(KBDC, int); 396 static int set_mouse_mode(KBDC); 397 static int get_mouse_buttons(KBDC); 398 static int is_a_mouse(int); 399 static void recover_from_error(KBDC); 400 static int restore_controller(KBDC, int); 401 static int doinitialize(struct psm_softc *, mousemode_t *); 402 static int doopen(struct psm_softc *, int); 403 static int reinitialize(struct psm_softc *, int); 404 static char *model_name(int); 405 static void psmsoftintr(void *); 406 static void psmintr(void *); 407 static void psmtimeout(void *); 408 static int timeelapsed(const struct timeval *, int, int, 409 const struct timeval *); 410 static void dropqueue(struct psm_softc *); 411 static void flushpackets(struct psm_softc *); 412 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 413 mousestatus_t *, int *, int *, int *); 414 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 415 mousestatus_t *, int *, int *, int *); 416 static void proc_versapad(struct psm_softc *, packetbuf_t *, 417 mousestatus_t *, int *, int *, int *); 418 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 419 u_char *); 420 421 /* vendor specific features */ 422 typedef int probefunc_t(struct psm_softc *); 423 424 static int mouse_id_proc1(KBDC, int, int, int *); 425 static int mouse_ext_command(KBDC, int); 426 427 static probefunc_t enable_groller; 428 static probefunc_t enable_gmouse; 429 static probefunc_t enable_aglide; 430 static probefunc_t enable_kmouse; 431 static probefunc_t enable_msexplorer; 432 static probefunc_t enable_msintelli; 433 static probefunc_t enable_4dmouse; 434 static probefunc_t enable_4dplus; 435 static probefunc_t enable_mmanplus; 436 static probefunc_t enable_synaptics; 437 static probefunc_t enable_versapad; 438 439 static struct { 440 int model; 441 u_char syncmask; 442 int packetsize; 443 probefunc_t *probefunc; 444 } vendortype[] = { 445 /* 446 * WARNING: the order of probe is very important. Don't mess it 447 * unless you know what you are doing. 448 */ 449 { MOUSE_MODEL_NET, /* Genius NetMouse */ 450 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 451 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 452 0xc8, 6, enable_groller }, 453 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 454 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 455 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 456 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 457 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 458 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 459 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 460 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 461 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 462 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 463 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 464 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 465 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 466 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 467 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 468 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 469 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 470 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 471 { MOUSE_MODEL_GENERIC, 472 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 473 }; 474 #define GENERIC_MOUSE_ENTRY \ 475 ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 476 477 /* device driver declarateion */ 478 static device_method_t psm_methods[] = { 479 /* Device interface */ 480 DEVMETHOD(device_identify, psmidentify), 481 DEVMETHOD(device_probe, psmprobe), 482 DEVMETHOD(device_attach, psmattach), 483 DEVMETHOD(device_detach, psmdetach), 484 DEVMETHOD(device_resume, psmresume), 485 486 { 0, 0 } 487 }; 488 489 static driver_t psm_driver = { 490 PSM_DRIVER_NAME, 491 psm_methods, 492 sizeof(struct psm_softc), 493 }; 494 495 static struct cdevsw psm_cdevsw = { 496 .d_version = D_VERSION, 497 .d_flags = D_NEEDGIANT, 498 .d_open = psmopen, 499 .d_close = psmclose, 500 .d_read = psmread, 501 .d_write = psmwrite, 502 .d_ioctl = psmioctl, 503 .d_poll = psmpoll, 504 .d_name = PSM_DRIVER_NAME, 505 }; 506 507 /* device I/O routines */ 508 static int 509 enable_aux_dev(KBDC kbdc) 510 { 511 int res; 512 513 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 514 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 515 516 return (res == PSM_ACK); 517 } 518 519 static int 520 disable_aux_dev(KBDC kbdc) 521 { 522 int res; 523 524 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 525 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 526 527 return (res == PSM_ACK); 528 } 529 530 static int 531 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 532 { 533 int cmd; 534 int res; 535 int i; 536 537 switch (flag) { 538 case 0: 539 default: 540 cmd = PSMC_SEND_DEV_STATUS; 541 break; 542 case 1: 543 cmd = PSMC_SEND_DEV_DATA; 544 break; 545 } 546 empty_aux_buffer(kbdc, 5); 547 res = send_aux_command(kbdc, cmd); 548 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 549 (flag == 1) ? "DATA" : "STATUS", res)); 550 if (res != PSM_ACK) 551 return (0); 552 553 for (i = 0; i < len; ++i) { 554 status[i] = read_aux_data(kbdc); 555 if (status[i] < 0) 556 break; 557 } 558 559 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 560 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 561 562 return (i); 563 } 564 565 static int 566 get_aux_id(KBDC kbdc) 567 { 568 int res; 569 int id; 570 571 empty_aux_buffer(kbdc, 5); 572 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 573 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 574 if (res != PSM_ACK) 575 return (-1); 576 577 /* 10ms delay */ 578 DELAY(10000); 579 580 id = read_aux_data(kbdc); 581 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 582 583 return (id); 584 } 585 586 static int 587 set_mouse_sampling_rate(KBDC kbdc, int rate) 588 { 589 int res; 590 591 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 592 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 593 594 return ((res == PSM_ACK) ? rate : -1); 595 } 596 597 static int 598 set_mouse_scaling(KBDC kbdc, int scale) 599 { 600 int res; 601 602 switch (scale) { 603 case 1: 604 default: 605 scale = PSMC_SET_SCALING11; 606 break; 607 case 2: 608 scale = PSMC_SET_SCALING21; 609 break; 610 } 611 res = send_aux_command(kbdc, scale); 612 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 613 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 614 615 return (res == PSM_ACK); 616 } 617 618 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 619 static int 620 set_mouse_resolution(KBDC kbdc, int val) 621 { 622 int res; 623 624 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 625 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 626 627 return ((res == PSM_ACK) ? val : -1); 628 } 629 630 /* 631 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 632 * re-enabled by calling `enable_aux_dev()' 633 */ 634 static int 635 set_mouse_mode(KBDC kbdc) 636 { 637 int res; 638 639 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 640 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 641 642 return (res == PSM_ACK); 643 } 644 645 static int 646 get_mouse_buttons(KBDC kbdc) 647 { 648 int c = 2; /* assume two buttons by default */ 649 int status[3]; 650 651 /* 652 * NOTE: a special sequence to obtain Logitech Mouse specific 653 * information: set resolution to 25 ppi, set scaling to 1:1, set 654 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 655 * mouse status bytes is the number of available buttons. 656 * Some manufactures also support this sequence. 657 */ 658 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 659 return (c); 660 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 661 set_mouse_scaling(kbdc, 1) && 662 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 663 return (status[1]); 664 return (c); 665 } 666 667 /* misc subroutines */ 668 /* 669 * Someday, I will get the complete list of valid pointing devices and 670 * their IDs... XXX 671 */ 672 static int 673 is_a_mouse(int id) 674 { 675 #if 0 676 static int valid_ids[] = { 677 PSM_MOUSE_ID, /* mouse */ 678 PSM_BALLPOINT_ID, /* ballpoint device */ 679 PSM_INTELLI_ID, /* Intellimouse */ 680 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 681 -1 /* end of table */ 682 }; 683 int i; 684 685 for (i = 0; valid_ids[i] >= 0; ++i) 686 if (valid_ids[i] == id) 687 return (TRUE); 688 return (FALSE); 689 #else 690 return (TRUE); 691 #endif 692 } 693 694 static char * 695 model_name(int model) 696 { 697 static struct { 698 int model_code; 699 char *model_name; 700 } models[] = { 701 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 702 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 703 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 704 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 705 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 706 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 707 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 708 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 709 { MOUSE_MODEL_4D, "4D Mouse" }, 710 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 711 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 712 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 713 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 714 }; 715 int i; 716 717 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 718 if (models[i].model_code == model) 719 break; 720 return (models[i].model_name); 721 } 722 723 static void 724 recover_from_error(KBDC kbdc) 725 { 726 /* discard anything left in the output buffer */ 727 empty_both_buffers(kbdc, 10); 728 729 #if 0 730 /* 731 * NOTE: KBDC_RESET_KBD may not restore the communication between the 732 * keyboard and the controller. 733 */ 734 reset_kbd(kbdc); 735 #else 736 /* 737 * NOTE: somehow diagnostic and keyboard port test commands bring the 738 * keyboard back. 739 */ 740 if (!test_controller(kbdc)) 741 log(LOG_ERR, "psm: keyboard controller failed.\n"); 742 /* if there isn't a keyboard in the system, the following error is OK */ 743 if (test_kbd_port(kbdc) != 0) 744 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 745 #endif 746 } 747 748 static int 749 restore_controller(KBDC kbdc, int command_byte) 750 { 751 empty_both_buffers(kbdc, 10); 752 753 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 754 log(LOG_ERR, "psm: failed to restore the keyboard controller " 755 "command byte.\n"); 756 empty_both_buffers(kbdc, 10); 757 return (FALSE); 758 } else { 759 empty_both_buffers(kbdc, 10); 760 return (TRUE); 761 } 762 } 763 764 /* 765 * Re-initialize the aux port and device. The aux port must be enabled 766 * and its interrupt must be disabled before calling this routine. 767 * The aux device will be disabled before returning. 768 * The keyboard controller must be locked via `kbdc_lock()' before 769 * calling this routine. 770 */ 771 static int 772 doinitialize(struct psm_softc *sc, mousemode_t *mode) 773 { 774 KBDC kbdc = sc->kbdc; 775 int stat[3]; 776 int i; 777 778 switch((i = test_aux_port(kbdc))) { 779 case 1: /* ignore these errors */ 780 case 2: 781 case 3: 782 case PSM_ACK: 783 if (verbose) 784 log(LOG_DEBUG, 785 "psm%d: strange result for test aux port (%d).\n", 786 sc->unit, i); 787 /* FALLTHROUGH */ 788 case 0: /* no error */ 789 break; 790 case -1: /* time out */ 791 default: /* error */ 792 recover_from_error(kbdc); 793 if (sc->config & PSM_CONFIG_IGNPORTERROR) 794 break; 795 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 796 sc->unit, i); 797 return (FALSE); 798 } 799 800 if (sc->config & PSM_CONFIG_NORESET) { 801 /* 802 * Don't try to reset the pointing device. It may possibly 803 * be left in the unknown state, though... 804 */ 805 } else { 806 /* 807 * NOTE: some controllers appears to hang the `keyboard' when 808 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 809 */ 810 if (!reset_aux_dev(kbdc)) { 811 recover_from_error(kbdc); 812 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 813 sc->unit); 814 return (FALSE); 815 } 816 } 817 818 /* 819 * both the aux port and the aux device is functioning, see 820 * if the device can be enabled. 821 */ 822 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 823 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 824 sc->unit); 825 return (FALSE); 826 } 827 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 828 829 if (sc->config & PSM_CONFIG_NOIDPROBE) 830 i = GENERIC_MOUSE_ENTRY; 831 else { 832 /* FIXME: hardware ID, mouse buttons? */ 833 834 /* other parameters */ 835 for (i = 0; vendortype[i].probefunc != NULL; ++i) 836 if ((*vendortype[i].probefunc)(sc)) { 837 if (verbose >= 2) 838 log(LOG_ERR, "psm%d: found %s\n", 839 sc->unit, 840 model_name(vendortype[i].model)); 841 break; 842 } 843 } 844 845 sc->hw.model = vendortype[i].model; 846 sc->mode.packetsize = vendortype[i].packetsize; 847 848 /* set mouse parameters */ 849 if (mode != (mousemode_t *)NULL) { 850 if (mode->rate > 0) 851 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 852 if (mode->resolution >= 0) 853 mode->resolution = 854 set_mouse_resolution(kbdc, mode->resolution); 855 set_mouse_scaling(kbdc, 1); 856 set_mouse_mode(kbdc); 857 } 858 859 /* Record sync on the next data packet we see. */ 860 sc->flags |= PSM_NEED_SYNCBITS; 861 862 /* just check the status of the mouse */ 863 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 864 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 865 sc->unit); 866 867 return (TRUE); 868 } 869 870 static int 871 doopen(struct psm_softc *sc, int command_byte) 872 { 873 int stat[3]; 874 875 /* 876 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 877 * no obvious reason. Thus we check the current mode and restore the 878 * Absolute Mode if it was cleared. 879 * 880 * The previous hack at the end of psmprobe() wasn't efficient when 881 * moused(8) was restarted. 882 * 883 * A Reset (FF) or Set Defaults (F6) command would clear the 884 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 885 * doesn't show any evidence of such a command. 886 */ 887 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 888 mouse_ext_command(sc->kbdc, 1); 889 get_mouse_status(sc->kbdc, stat, 0, 3); 890 if (stat[1] == 0x47 && stat[2] == 0x40) { 891 /* Set the mode byte -- request wmode where 892 * available */ 893 if (sc->synhw.capExtended) 894 mouse_ext_command(sc->kbdc, 0xc1); 895 else 896 mouse_ext_command(sc->kbdc, 0xc0); 897 set_mouse_sampling_rate(sc->kbdc, 20); 898 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 899 "hopefully restored\n", 900 sc->unit)); 901 } 902 } 903 904 /* enable the mouse device */ 905 if (!enable_aux_dev(sc->kbdc)) { 906 /* MOUSE ERROR: failed to enable the mouse because: 907 * 1) the mouse is faulty, 908 * 2) the mouse has been removed(!?) 909 * In the latter case, the keyboard may have hung, and need 910 * recovery procedure... 911 */ 912 recover_from_error(sc->kbdc); 913 #if 0 914 /* FIXME: we could reset the mouse here and try to enable 915 * it again. But it will take long time and it's not a good 916 * idea to disable the keyboard that long... 917 */ 918 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 919 recover_from_error(sc->kbdc); 920 #else 921 { 922 #endif 923 restore_controller(sc->kbdc, command_byte); 924 /* mark this device is no longer available */ 925 sc->state &= ~PSM_VALID; 926 log(LOG_ERR, 927 "psm%d: failed to enable the device (doopen).\n", 928 sc->unit); 929 return (EIO); 930 } 931 } 932 933 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 934 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 935 sc->unit); 936 937 /* enable the aux port and interrupt */ 938 if (!set_controller_command_byte(sc->kbdc, 939 kbdc_get_device_mask(sc->kbdc), 940 (command_byte & KBD_KBD_CONTROL_BITS) | 941 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 942 /* CONTROLLER ERROR */ 943 disable_aux_dev(sc->kbdc); 944 restore_controller(sc->kbdc, command_byte); 945 log(LOG_ERR, 946 "psm%d: failed to enable the aux interrupt (doopen).\n", 947 sc->unit); 948 return (EIO); 949 } 950 951 /* start the watchdog timer */ 952 sc->watchdog = FALSE; 953 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz*2); 954 955 return (0); 956 } 957 958 static int 959 reinitialize(struct psm_softc *sc, int doinit) 960 { 961 int err; 962 int c; 963 int s; 964 965 /* don't let anybody mess with the aux device */ 966 if (!kbdc_lock(sc->kbdc, TRUE)) 967 return (EIO); 968 s = spltty(); 969 970 /* block our watchdog timer */ 971 sc->watchdog = FALSE; 972 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 973 callout_handle_init(&sc->callout); 974 975 /* save the current controller command byte */ 976 empty_both_buffers(sc->kbdc, 10); 977 c = get_controller_command_byte(sc->kbdc); 978 VLOG(2, (LOG_DEBUG, 979 "psm%d: current command byte: %04x (reinitialize).\n", 980 sc->unit, c)); 981 982 /* enable the aux port but disable the aux interrupt and the keyboard */ 983 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 984 kbdc_get_device_mask(sc->kbdc), 985 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 986 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 987 /* CONTROLLER ERROR */ 988 splx(s); 989 kbdc_lock(sc->kbdc, FALSE); 990 log(LOG_ERR, 991 "psm%d: unable to set the command byte (reinitialize).\n", 992 sc->unit); 993 return (EIO); 994 } 995 996 /* flush any data */ 997 if (sc->state & PSM_VALID) { 998 /* this may fail; but never mind... */ 999 disable_aux_dev(sc->kbdc); 1000 empty_aux_buffer(sc->kbdc, 10); 1001 } 1002 flushpackets(sc); 1003 sc->syncerrors = 0; 1004 sc->pkterrors = 0; 1005 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1006 1007 /* try to detect the aux device; are you still there? */ 1008 err = 0; 1009 if (doinit) { 1010 if (doinitialize(sc, &sc->mode)) { 1011 /* yes */ 1012 sc->state |= PSM_VALID; 1013 } else { 1014 /* the device has gone! */ 1015 restore_controller(sc->kbdc, c); 1016 sc->state &= ~PSM_VALID; 1017 log(LOG_ERR, 1018 "psm%d: the aux device has gone! (reinitialize).\n", 1019 sc->unit); 1020 err = ENXIO; 1021 } 1022 } 1023 splx(s); 1024 1025 /* restore the driver state */ 1026 if ((sc->state & PSM_OPEN) && (err == 0)) { 1027 /* enable the aux device and the port again */ 1028 err = doopen(sc, c); 1029 if (err != 0) 1030 log(LOG_ERR, "psm%d: failed to enable the device " 1031 "(reinitialize).\n", sc->unit); 1032 } else { 1033 /* restore the keyboard port and disable the aux port */ 1034 if (!set_controller_command_byte(sc->kbdc, 1035 kbdc_get_device_mask(sc->kbdc), 1036 (c & KBD_KBD_CONTROL_BITS) | 1037 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1038 /* CONTROLLER ERROR */ 1039 log(LOG_ERR, "psm%d: failed to disable the aux port " 1040 "(reinitialize).\n", sc->unit); 1041 err = EIO; 1042 } 1043 } 1044 1045 kbdc_lock(sc->kbdc, FALSE); 1046 return (err); 1047 } 1048 1049 /* psm driver entry points */ 1050 1051 static void 1052 psmidentify(driver_t *driver, device_t parent) 1053 { 1054 device_t psmc; 1055 device_t psm; 1056 u_long irq; 1057 int unit; 1058 1059 unit = device_get_unit(parent); 1060 1061 /* always add at least one child */ 1062 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1063 if (psm == NULL) 1064 return; 1065 1066 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1067 if (irq > 0) 1068 return; 1069 1070 /* 1071 * If the PS/2 mouse device has already been reported by ACPI or 1072 * PnP BIOS, obtain the IRQ resource from it. 1073 * (See psmcpnp_attach() below.) 1074 */ 1075 psmc = device_find_child(device_get_parent(parent), 1076 PSMCPNP_DRIVER_NAME, unit); 1077 if (psmc == NULL) 1078 return; 1079 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1080 if (irq <= 0) 1081 return; 1082 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1083 } 1084 1085 #define endprobe(v) do { \ 1086 if (bootverbose) \ 1087 --verbose; \ 1088 kbdc_set_device_mask(sc->kbdc, mask); \ 1089 kbdc_lock(sc->kbdc, FALSE); \ 1090 return (v); \ 1091 } while (0) 1092 1093 static int 1094 psmprobe(device_t dev) 1095 { 1096 int unit = device_get_unit(dev); 1097 struct psm_softc *sc = device_get_softc(dev); 1098 int stat[3]; 1099 int command_byte; 1100 int mask; 1101 int rid; 1102 int i; 1103 1104 #if 0 1105 kbdc_debug(TRUE); 1106 #endif 1107 1108 /* see if IRQ is available */ 1109 rid = KBDC_RID_AUX; 1110 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 1111 RF_SHAREABLE | RF_ACTIVE); 1112 if (sc->intr == NULL) { 1113 if (bootverbose) 1114 device_printf(dev, "unable to allocate IRQ\n"); 1115 return (ENXIO); 1116 } 1117 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1118 1119 sc->unit = unit; 1120 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1121 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1122 /* XXX: for backward compatibility */ 1123 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1124 sc->config |= 1125 #ifdef PSM_RESETAFTERSUSPEND 1126 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 1127 #else 1128 PSM_CONFIG_HOOKRESUME; 1129 #endif 1130 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1131 sc->flags = 0; 1132 if (bootverbose) 1133 ++verbose; 1134 1135 device_set_desc(dev, "PS/2 Mouse"); 1136 1137 if (!kbdc_lock(sc->kbdc, TRUE)) { 1138 printf("psm%d: unable to lock the controller.\n", unit); 1139 if (bootverbose) 1140 --verbose; 1141 return (ENXIO); 1142 } 1143 1144 /* 1145 * NOTE: two bits in the command byte controls the operation of the 1146 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1147 * port interrupt (IRQ 12) enable bit (bit 2). 1148 */ 1149 1150 /* discard anything left after the keyboard initialization */ 1151 empty_both_buffers(sc->kbdc, 10); 1152 1153 /* save the current command byte; it will be used later */ 1154 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1155 command_byte = get_controller_command_byte(sc->kbdc); 1156 if (verbose) 1157 printf("psm%d: current command byte:%04x\n", unit, 1158 command_byte); 1159 if (command_byte == -1) { 1160 /* CONTROLLER ERROR */ 1161 printf("psm%d: unable to get the current command byte value.\n", 1162 unit); 1163 endprobe(ENXIO); 1164 } 1165 1166 /* 1167 * disable the keyboard port while probing the aux port, which must be 1168 * enabled during this routine 1169 */ 1170 if (!set_controller_command_byte(sc->kbdc, 1171 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1172 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1173 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1174 /* 1175 * this is CONTROLLER ERROR; I don't know how to recover 1176 * from this error... 1177 */ 1178 restore_controller(sc->kbdc, command_byte); 1179 printf("psm%d: unable to set the command byte.\n", unit); 1180 endprobe(ENXIO); 1181 } 1182 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1183 1184 /* 1185 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1186 * port exists and is functioning. However, some controllers appears 1187 * to respond with zero even when the aux port doesn't exist. (It may 1188 * be that this is only the case when the controller DOES have the aux 1189 * port but the port is not wired on the motherboard.) The keyboard 1190 * controllers without the port, such as the original AT, are 1191 * supporsed to return with an error code or simply time out. In any 1192 * case, we have to continue probing the port even when the controller 1193 * passes this test. 1194 * 1195 * XXX: some controllers erroneously return the error code 1, 2 or 3 1196 * when it has the perfectly functional aux port. We have to ignore 1197 * this error code. Even if the controller HAS error with the aux 1198 * port, it will be detected later... 1199 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1200 */ 1201 switch ((i = test_aux_port(sc->kbdc))) { 1202 case 1: /* ignore these errors */ 1203 case 2: 1204 case 3: 1205 case PSM_ACK: 1206 if (verbose) 1207 printf("psm%d: strange result for test aux port " 1208 "(%d).\n", unit, i); 1209 /* FALLTHROUGH */ 1210 case 0: /* no error */ 1211 break; 1212 case -1: /* time out */ 1213 default: /* error */ 1214 recover_from_error(sc->kbdc); 1215 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1216 break; 1217 restore_controller(sc->kbdc, command_byte); 1218 if (verbose) 1219 printf("psm%d: the aux port is not functioning (%d).\n", 1220 unit, i); 1221 endprobe(ENXIO); 1222 } 1223 1224 if (sc->config & PSM_CONFIG_NORESET) { 1225 /* 1226 * Don't try to reset the pointing device. It may possibly be 1227 * left in the unknown state, though... 1228 */ 1229 } else { 1230 /* 1231 * NOTE: some controllers appears to hang the `keyboard' when 1232 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1233 * 1234 * Attempt to reset the controller twice -- this helps 1235 * pierce through some KVM switches. The second reset 1236 * is non-fatal. 1237 */ 1238 if (!reset_aux_dev(sc->kbdc)) { 1239 recover_from_error(sc->kbdc); 1240 restore_controller(sc->kbdc, command_byte); 1241 if (verbose) 1242 printf("psm%d: failed to reset the aux " 1243 "device.\n", unit); 1244 endprobe(ENXIO); 1245 } else if (!reset_aux_dev(sc->kbdc)) { 1246 recover_from_error(sc->kbdc); 1247 if (verbose >= 2) 1248 printf("psm%d: failed to reset the aux device " 1249 "(2).\n", unit); 1250 } 1251 } 1252 1253 /* 1254 * both the aux port and the aux device is functioning, see if the 1255 * device can be enabled. NOTE: when enabled, the device will start 1256 * sending data; we shall immediately disable the device once we know 1257 * the device can be enabled. 1258 */ 1259 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1260 /* MOUSE ERROR */ 1261 recover_from_error(sc->kbdc); 1262 restore_controller(sc->kbdc, command_byte); 1263 if (verbose) 1264 printf("psm%d: failed to enable the aux device.\n", 1265 unit); 1266 endprobe(ENXIO); 1267 } 1268 1269 /* save the default values after reset */ 1270 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1271 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1272 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1273 } else { 1274 sc->dflt_mode.rate = sc->mode.rate = -1; 1275 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1276 } 1277 1278 /* hardware information */ 1279 sc->hw.iftype = MOUSE_IF_PS2; 1280 1281 /* verify the device is a mouse */ 1282 sc->hw.hwid = get_aux_id(sc->kbdc); 1283 if (!is_a_mouse(sc->hw.hwid)) { 1284 restore_controller(sc->kbdc, command_byte); 1285 if (verbose) 1286 printf("psm%d: unknown device type (%d).\n", unit, 1287 sc->hw.hwid); 1288 endprobe(ENXIO); 1289 } 1290 switch (sc->hw.hwid) { 1291 case PSM_BALLPOINT_ID: 1292 sc->hw.type = MOUSE_TRACKBALL; 1293 break; 1294 case PSM_MOUSE_ID: 1295 case PSM_INTELLI_ID: 1296 case PSM_EXPLORER_ID: 1297 case PSM_4DMOUSE_ID: 1298 case PSM_4DPLUS_ID: 1299 sc->hw.type = MOUSE_MOUSE; 1300 break; 1301 default: 1302 sc->hw.type = MOUSE_UNKNOWN; 1303 break; 1304 } 1305 1306 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1307 sc->hw.buttons = 2; 1308 i = GENERIC_MOUSE_ENTRY; 1309 } else { 1310 /* # of buttons */ 1311 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1312 1313 /* other parameters */ 1314 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1315 if ((*vendortype[i].probefunc)(sc)) { 1316 if (verbose >= 2) 1317 printf("psm%d: found %s\n", unit, 1318 model_name(vendortype[i].model)); 1319 break; 1320 } 1321 } 1322 1323 sc->hw.model = vendortype[i].model; 1324 1325 sc->dflt_mode.level = PSM_LEVEL_BASE; 1326 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1327 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1328 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1329 sc->dflt_mode.syncmask[0] = 0; 1330 else 1331 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1332 if (sc->config & PSM_CONFIG_FORCETAP) 1333 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1334 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1335 sc->mode = sc->dflt_mode; 1336 sc->mode.packetsize = vendortype[i].packetsize; 1337 1338 /* set mouse parameters */ 1339 #if 0 1340 /* 1341 * A version of Logitech FirstMouse+ won't report wheel movement, 1342 * if SET_DEFAULTS is sent... Don't use this command. 1343 * This fix was found by Takashi Nishida. 1344 */ 1345 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1346 if (verbose >= 2) 1347 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1348 #endif 1349 if (sc->config & PSM_CONFIG_RESOLUTION) 1350 sc->mode.resolution = 1351 set_mouse_resolution(sc->kbdc, 1352 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1353 else if (sc->mode.resolution >= 0) 1354 sc->mode.resolution = 1355 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1356 if (sc->mode.rate > 0) 1357 sc->mode.rate = 1358 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1359 set_mouse_scaling(sc->kbdc, 1); 1360 1361 /* Record sync on the next data packet we see. */ 1362 sc->flags |= PSM_NEED_SYNCBITS; 1363 1364 /* just check the status of the mouse */ 1365 /* 1366 * NOTE: XXX there are some arcane controller/mouse combinations out 1367 * there, which hung the controller unless there is data transmission 1368 * after ACK from the mouse. 1369 */ 1370 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1371 printf("psm%d: failed to get status.\n", unit); 1372 else { 1373 /* 1374 * When in its native mode, some mice operate with different 1375 * default parameters than in the PS/2 compatible mode. 1376 */ 1377 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1378 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1379 } 1380 1381 /* disable the aux port for now... */ 1382 if (!set_controller_command_byte(sc->kbdc, 1383 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1384 (command_byte & KBD_KBD_CONTROL_BITS) | 1385 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1386 /* 1387 * this is CONTROLLER ERROR; I don't know the proper way to 1388 * recover from this error... 1389 */ 1390 restore_controller(sc->kbdc, command_byte); 1391 printf("psm%d: unable to set the command byte.\n", unit); 1392 endprobe(ENXIO); 1393 } 1394 1395 /* done */ 1396 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1397 kbdc_lock(sc->kbdc, FALSE); 1398 return (0); 1399 } 1400 1401 static int 1402 psmattach(device_t dev) 1403 { 1404 int unit = device_get_unit(dev); 1405 struct psm_softc *sc = device_get_softc(dev); 1406 int error; 1407 int rid; 1408 1409 /* Setup initial state */ 1410 sc->state = PSM_VALID; 1411 callout_handle_init(&sc->callout); 1412 1413 /* Setup our interrupt handler */ 1414 rid = KBDC_RID_AUX; 1415 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 1416 RF_SHAREABLE | RF_ACTIVE); 1417 if (sc->intr == NULL) 1418 return (ENXIO); 1419 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1420 &sc->ih); 1421 if (error) { 1422 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1423 return (error); 1424 } 1425 1426 /* Done */ 1427 sc->dev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, 1428 "psm%d", unit); 1429 sc->bdev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, 1430 "bpsm%d", unit); 1431 1432 if (!verbose) 1433 printf("psm%d: model %s, device ID %d\n", 1434 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1435 else { 1436 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1437 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1438 sc->hw.hwid >> 8, sc->hw.buttons); 1439 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1440 unit, sc->config, sc->flags, sc->mode.packetsize); 1441 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1442 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1443 } 1444 1445 if (bootverbose) 1446 --verbose; 1447 1448 return (0); 1449 } 1450 1451 static int 1452 psmdetach(device_t dev) 1453 { 1454 struct psm_softc *sc; 1455 int rid; 1456 1457 sc = device_get_softc(dev); 1458 if (sc->state & PSM_OPEN) 1459 return (EBUSY); 1460 1461 rid = KBDC_RID_AUX; 1462 bus_teardown_intr(dev, sc->intr, sc->ih); 1463 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1464 1465 destroy_dev(sc->dev); 1466 destroy_dev(sc->bdev); 1467 1468 return (0); 1469 } 1470 1471 static int 1472 psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1473 { 1474 int unit = PSM_UNIT(dev); 1475 struct psm_softc *sc; 1476 int command_byte; 1477 int err; 1478 int s; 1479 1480 /* Get device data */ 1481 sc = PSM_SOFTC(unit); 1482 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1483 /* the device is no longer valid/functioning */ 1484 return (ENXIO); 1485 } 1486 1487 /* Disallow multiple opens */ 1488 if (sc->state & PSM_OPEN) 1489 return (EBUSY); 1490 1491 newbus_xlock(); 1492 device_busy(devclass_get_device(psm_devclass, unit)); 1493 newbus_xunlock(); 1494 1495 /* Initialize state */ 1496 sc->mode.level = sc->dflt_mode.level; 1497 sc->mode.protocol = sc->dflt_mode.protocol; 1498 sc->watchdog = FALSE; 1499 sc->async = NULL; 1500 1501 /* flush the event queue */ 1502 sc->queue.count = 0; 1503 sc->queue.head = 0; 1504 sc->queue.tail = 0; 1505 sc->status.flags = 0; 1506 sc->status.button = 0; 1507 sc->status.obutton = 0; 1508 sc->status.dx = 0; 1509 sc->status.dy = 0; 1510 sc->status.dz = 0; 1511 sc->button = 0; 1512 sc->pqueue_start = 0; 1513 sc->pqueue_end = 0; 1514 1515 /* empty input buffer */ 1516 flushpackets(sc); 1517 sc->syncerrors = 0; 1518 sc->pkterrors = 0; 1519 1520 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1521 if (!kbdc_lock(sc->kbdc, TRUE)) 1522 return (EIO); 1523 1524 /* save the current controller command byte */ 1525 s = spltty(); 1526 command_byte = get_controller_command_byte(sc->kbdc); 1527 1528 /* enable the aux port and temporalily disable the keyboard */ 1529 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1530 kbdc_get_device_mask(sc->kbdc), 1531 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1532 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1533 /* CONTROLLER ERROR; do you know how to get out of this? */ 1534 kbdc_lock(sc->kbdc, FALSE); 1535 splx(s); 1536 log(LOG_ERR, 1537 "psm%d: unable to set the command byte (psmopen).\n", unit); 1538 return (EIO); 1539 } 1540 /* 1541 * Now that the keyboard controller is told not to generate 1542 * the keyboard and mouse interrupts, call `splx()' to allow 1543 * the other tty interrupts. The clock interrupt may also occur, 1544 * but timeout routines will be blocked by the poll flag set 1545 * via `kbdc_lock()' 1546 */ 1547 splx(s); 1548 1549 /* enable the mouse device */ 1550 err = doopen(sc, command_byte); 1551 1552 /* done */ 1553 if (err == 0) 1554 sc->state |= PSM_OPEN; 1555 kbdc_lock(sc->kbdc, FALSE); 1556 return (err); 1557 } 1558 1559 static int 1560 psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1561 { 1562 int unit = PSM_UNIT(dev); 1563 struct psm_softc *sc = PSM_SOFTC(unit); 1564 int stat[3]; 1565 int command_byte; 1566 int s; 1567 1568 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1569 if (!kbdc_lock(sc->kbdc, TRUE)) 1570 return (EIO); 1571 1572 /* save the current controller command byte */ 1573 s = spltty(); 1574 command_byte = get_controller_command_byte(sc->kbdc); 1575 if (command_byte == -1) { 1576 kbdc_lock(sc->kbdc, FALSE); 1577 splx(s); 1578 return (EIO); 1579 } 1580 1581 /* disable the aux interrupt and temporalily disable the keyboard */ 1582 if (!set_controller_command_byte(sc->kbdc, 1583 kbdc_get_device_mask(sc->kbdc), 1584 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1585 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1586 log(LOG_ERR, 1587 "psm%d: failed to disable the aux int (psmclose).\n", unit); 1588 /* CONTROLLER ERROR; 1589 * NOTE: we shall force our way through. Because the only 1590 * ill effect we shall see is that we may not be able 1591 * to read ACK from the mouse, and it doesn't matter much 1592 * so long as the mouse will accept the DISABLE command. 1593 */ 1594 } 1595 splx(s); 1596 1597 /* stop the watchdog timer */ 1598 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 1599 callout_handle_init(&sc->callout); 1600 1601 /* remove anything left in the output buffer */ 1602 empty_aux_buffer(sc->kbdc, 10); 1603 1604 /* disable the aux device, port and interrupt */ 1605 if (sc->state & PSM_VALID) { 1606 if (!disable_aux_dev(sc->kbdc)) { 1607 /* MOUSE ERROR; 1608 * NOTE: we don't return (error) and continue, 1609 * pretending we have successfully disabled the device. 1610 * It's OK because the interrupt routine will discard 1611 * any data from the mouse hereafter. 1612 */ 1613 log(LOG_ERR, 1614 "psm%d: failed to disable the device (psmclose).\n", 1615 unit); 1616 } 1617 1618 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1619 log(LOG_DEBUG, 1620 "psm%d: failed to get status (psmclose).\n", unit); 1621 } 1622 1623 if (!set_controller_command_byte(sc->kbdc, 1624 kbdc_get_device_mask(sc->kbdc), 1625 (command_byte & KBD_KBD_CONTROL_BITS) | 1626 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1627 /* 1628 * CONTROLLER ERROR; 1629 * we shall ignore this error; see the above comment. 1630 */ 1631 log(LOG_ERR, 1632 "psm%d: failed to disable the aux port (psmclose).\n", 1633 unit); 1634 } 1635 1636 /* remove anything left in the output buffer */ 1637 empty_aux_buffer(sc->kbdc, 10); 1638 1639 /* clean up and sigio requests */ 1640 if (sc->async != NULL) { 1641 funsetown(&sc->async); 1642 sc->async = NULL; 1643 } 1644 1645 /* close is almost always successful */ 1646 sc->state &= ~PSM_OPEN; 1647 kbdc_lock(sc->kbdc, FALSE); 1648 newbus_xlock(); 1649 device_unbusy(devclass_get_device(psm_devclass, unit)); 1650 newbus_xunlock(); 1651 return (0); 1652 } 1653 1654 static int 1655 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1656 u_char *buf) 1657 { 1658 static u_char butmapps2[8] = { 1659 0, 1660 MOUSE_PS2_BUTTON1DOWN, 1661 MOUSE_PS2_BUTTON2DOWN, 1662 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1663 MOUSE_PS2_BUTTON3DOWN, 1664 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1665 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1666 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1667 MOUSE_PS2_BUTTON3DOWN, 1668 }; 1669 static u_char butmapmsc[8] = { 1670 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1671 MOUSE_MSC_BUTTON3UP, 1672 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1673 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1674 MOUSE_MSC_BUTTON3UP, 1675 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1676 MOUSE_MSC_BUTTON2UP, 1677 MOUSE_MSC_BUTTON1UP, 1678 0, 1679 }; 1680 int mapped; 1681 int i; 1682 1683 if (sc->mode.level == PSM_LEVEL_BASE) { 1684 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1685 if (status->button & MOUSE_BUTTON4DOWN) 1686 mapped |= MOUSE_BUTTON1DOWN; 1687 status->button = mapped; 1688 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1689 i = imax(imin(status->dx, 255), -256); 1690 if (i < 0) 1691 buf[0] |= MOUSE_PS2_XNEG; 1692 buf[1] = i; 1693 i = imax(imin(status->dy, 255), -256); 1694 if (i < 0) 1695 buf[0] |= MOUSE_PS2_YNEG; 1696 buf[2] = i; 1697 return (MOUSE_PS2_PACKETSIZE); 1698 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1699 buf[0] = MOUSE_MSC_SYNC | 1700 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1701 i = imax(imin(status->dx, 255), -256); 1702 buf[1] = i >> 1; 1703 buf[3] = i - buf[1]; 1704 i = imax(imin(status->dy, 255), -256); 1705 buf[2] = i >> 1; 1706 buf[4] = i - buf[2]; 1707 i = imax(imin(status->dz, 127), -128); 1708 buf[5] = (i >> 1) & 0x7f; 1709 buf[6] = (i - (i >> 1)) & 0x7f; 1710 buf[7] = (~status->button >> 3) & 0x7f; 1711 return (MOUSE_SYS_PACKETSIZE); 1712 } 1713 return (pb->inputbytes); 1714 } 1715 1716 static int 1717 psmread(struct cdev *dev, struct uio *uio, int flag) 1718 { 1719 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1720 u_char buf[PSM_SMALLBUFSIZE]; 1721 int error = 0; 1722 int s; 1723 int l; 1724 1725 if ((sc->state & PSM_VALID) == 0) 1726 return (EIO); 1727 1728 /* block until mouse activity occured */ 1729 s = spltty(); 1730 while (sc->queue.count <= 0) { 1731 if (PSM_NBLOCKIO(dev)) { 1732 splx(s); 1733 return (EWOULDBLOCK); 1734 } 1735 sc->state |= PSM_ASLP; 1736 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 1737 sc->state &= ~PSM_ASLP; 1738 if (error) { 1739 splx(s); 1740 return (error); 1741 } else if ((sc->state & PSM_VALID) == 0) { 1742 /* the device disappeared! */ 1743 splx(s); 1744 return (EIO); 1745 } 1746 } 1747 splx(s); 1748 1749 /* copy data to the user land */ 1750 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1751 s = spltty(); 1752 l = imin(sc->queue.count, uio->uio_resid); 1753 if (l > sizeof(buf)) 1754 l = sizeof(buf); 1755 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1756 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1757 sizeof(sc->queue.buf) - sc->queue.head); 1758 bcopy(&sc->queue.buf[0], 1759 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1760 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1761 } else 1762 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1763 sc->queue.count -= l; 1764 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1765 splx(s); 1766 error = uiomove(buf, l, uio); 1767 if (error) 1768 break; 1769 } 1770 1771 return (error); 1772 } 1773 1774 static int 1775 block_mouse_data(struct psm_softc *sc, int *c) 1776 { 1777 int s; 1778 1779 if (!kbdc_lock(sc->kbdc, TRUE)) 1780 return (EIO); 1781 1782 s = spltty(); 1783 *c = get_controller_command_byte(sc->kbdc); 1784 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1785 kbdc_get_device_mask(sc->kbdc), 1786 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1787 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1788 /* this is CONTROLLER ERROR */ 1789 splx(s); 1790 kbdc_lock(sc->kbdc, FALSE); 1791 return (EIO); 1792 } 1793 1794 /* 1795 * The device may be in the middle of status data transmission. 1796 * The transmission will be interrupted, thus, incomplete status 1797 * data must be discarded. Although the aux interrupt is disabled 1798 * at the keyboard controller level, at most one aux interrupt 1799 * may have already been pending and a data byte is in the 1800 * output buffer; throw it away. Note that the second argument 1801 * to `empty_aux_buffer()' is zero, so that the call will just 1802 * flush the internal queue. 1803 * `psmintr()' will be invoked after `splx()' if an interrupt is 1804 * pending; it will see no data and returns immediately. 1805 */ 1806 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1807 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1808 flushpackets(sc); 1809 splx(s); 1810 1811 return (0); 1812 } 1813 1814 static void 1815 dropqueue(struct psm_softc *sc) 1816 { 1817 1818 sc->queue.count = 0; 1819 sc->queue.head = 0; 1820 sc->queue.tail = 0; 1821 if ((sc->state & PSM_SOFTARMED) != 0) { 1822 sc->state &= ~PSM_SOFTARMED; 1823 untimeout(psmsoftintr, (void *)(uintptr_t)sc, sc->softcallout); 1824 } 1825 sc->pqueue_start = sc->pqueue_end; 1826 } 1827 1828 static void 1829 flushpackets(struct psm_softc *sc) 1830 { 1831 1832 dropqueue(sc); 1833 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1834 } 1835 1836 static int 1837 unblock_mouse_data(struct psm_softc *sc, int c) 1838 { 1839 int error = 0; 1840 1841 /* 1842 * We may have seen a part of status data during `set_mouse_XXX()'. 1843 * they have been queued; flush it. 1844 */ 1845 empty_aux_buffer(sc->kbdc, 0); 1846 1847 /* restore ports and interrupt */ 1848 if (!set_controller_command_byte(sc->kbdc, 1849 kbdc_get_device_mask(sc->kbdc), 1850 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1851 /* 1852 * CONTROLLER ERROR; this is serious, we may have 1853 * been left with the inaccessible keyboard and 1854 * the disabled mouse interrupt. 1855 */ 1856 error = EIO; 1857 } 1858 1859 kbdc_lock(sc->kbdc, FALSE); 1860 return (error); 1861 } 1862 1863 static int 1864 psmwrite(struct cdev *dev, struct uio *uio, int flag) 1865 { 1866 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1867 u_char buf[PSM_SMALLBUFSIZE]; 1868 int error = 0, i, l; 1869 1870 if ((sc->state & PSM_VALID) == 0) 1871 return (EIO); 1872 1873 if (sc->mode.level < PSM_LEVEL_NATIVE) 1874 return (ENODEV); 1875 1876 /* copy data from the user land */ 1877 while (uio->uio_resid > 0) { 1878 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1879 error = uiomove(buf, l, uio); 1880 if (error) 1881 break; 1882 for (i = 0; i < l; i++) { 1883 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1884 if (!write_aux_command(sc->kbdc, buf[i])) { 1885 VLOG(2, (LOG_DEBUG, 1886 "psm: cmd 0x%x failed.\n", buf[i])); 1887 return (reinitialize(sc, FALSE)); 1888 } 1889 } 1890 } 1891 1892 return (error); 1893 } 1894 1895 static int 1896 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 1897 struct thread *td) 1898 { 1899 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1900 mousemode_t mode; 1901 mousestatus_t status; 1902 #if (defined(MOUSE_GETVARS)) 1903 mousevar_t *var; 1904 #endif 1905 mousedata_t *data; 1906 int stat[3]; 1907 int command_byte; 1908 int error = 0; 1909 int s; 1910 1911 /* Perform IOCTL command */ 1912 switch (cmd) { 1913 1914 case OLD_MOUSE_GETHWINFO: 1915 s = spltty(); 1916 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1917 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1918 ((old_mousehw_t *)addr)->type = sc->hw.type; 1919 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1920 splx(s); 1921 break; 1922 1923 case MOUSE_GETHWINFO: 1924 s = spltty(); 1925 *(mousehw_t *)addr = sc->hw; 1926 if (sc->mode.level == PSM_LEVEL_BASE) 1927 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1928 splx(s); 1929 break; 1930 1931 case MOUSE_SYN_GETHWINFO: 1932 s = spltty(); 1933 if (synaptics_support && sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1934 *(synapticshw_t *)addr = sc->synhw; 1935 else 1936 error = EINVAL; 1937 splx(s); 1938 break; 1939 1940 case OLD_MOUSE_GETMODE: 1941 s = spltty(); 1942 switch (sc->mode.level) { 1943 case PSM_LEVEL_BASE: 1944 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1945 break; 1946 case PSM_LEVEL_STANDARD: 1947 ((old_mousemode_t *)addr)->protocol = 1948 MOUSE_PROTO_SYSMOUSE; 1949 break; 1950 case PSM_LEVEL_NATIVE: 1951 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1952 break; 1953 } 1954 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1955 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1956 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1957 splx(s); 1958 break; 1959 1960 case MOUSE_GETMODE: 1961 s = spltty(); 1962 *(mousemode_t *)addr = sc->mode; 1963 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 1964 ((mousemode_t *)addr)->syncmask[0] = 0; 1965 ((mousemode_t *)addr)->syncmask[1] = 0; 1966 } 1967 ((mousemode_t *)addr)->resolution = 1968 MOUSE_RES_LOW - sc->mode.resolution; 1969 switch (sc->mode.level) { 1970 case PSM_LEVEL_BASE: 1971 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1972 ((mousemode_t *)addr)->packetsize = 1973 MOUSE_PS2_PACKETSIZE; 1974 break; 1975 case PSM_LEVEL_STANDARD: 1976 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1977 ((mousemode_t *)addr)->packetsize = 1978 MOUSE_SYS_PACKETSIZE; 1979 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1980 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1981 break; 1982 case PSM_LEVEL_NATIVE: 1983 /* FIXME: this isn't quite correct... XXX */ 1984 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1985 break; 1986 } 1987 splx(s); 1988 break; 1989 1990 case OLD_MOUSE_SETMODE: 1991 case MOUSE_SETMODE: 1992 if (cmd == OLD_MOUSE_SETMODE) { 1993 mode.rate = ((old_mousemode_t *)addr)->rate; 1994 /* 1995 * resolution old I/F new I/F 1996 * default 0 0 1997 * low 1 -2 1998 * medium low 2 -3 1999 * medium high 3 -4 2000 * high 4 -5 2001 */ 2002 if (((old_mousemode_t *)addr)->resolution > 0) 2003 mode.resolution = 2004 -((old_mousemode_t *)addr)->resolution - 1; 2005 else 2006 mode.resolution = 0; 2007 mode.accelfactor = 2008 ((old_mousemode_t *)addr)->accelfactor; 2009 mode.level = -1; 2010 } else 2011 mode = *(mousemode_t *)addr; 2012 2013 /* adjust and validate parameters. */ 2014 if (mode.rate > UCHAR_MAX) 2015 return (EINVAL); 2016 if (mode.rate == 0) 2017 mode.rate = sc->dflt_mode.rate; 2018 else if (mode.rate == -1) 2019 /* don't change the current setting */ 2020 ; 2021 else if (mode.rate < 0) 2022 return (EINVAL); 2023 if (mode.resolution >= UCHAR_MAX) 2024 return (EINVAL); 2025 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 /* don't change the current setting */ 2037 ; 2038 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2039 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2040 if (mode.level == -1) 2041 /* don't change the current setting */ 2042 mode.level = sc->mode.level; 2043 else if ((mode.level < PSM_LEVEL_MIN) || 2044 (mode.level > PSM_LEVEL_MAX)) 2045 return (EINVAL); 2046 if (mode.accelfactor == -1) 2047 /* don't change the current setting */ 2048 mode.accelfactor = sc->mode.accelfactor; 2049 else if (mode.accelfactor < 0) 2050 return (EINVAL); 2051 2052 /* don't allow anybody to poll the keyboard controller */ 2053 error = block_mouse_data(sc, &command_byte); 2054 if (error) 2055 return (error); 2056 2057 /* set mouse parameters */ 2058 if (mode.rate > 0) 2059 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2060 mode.rate); 2061 if (mode.resolution >= 0) 2062 mode.resolution = 2063 set_mouse_resolution(sc->kbdc, mode.resolution); 2064 set_mouse_scaling(sc->kbdc, 1); 2065 get_mouse_status(sc->kbdc, stat, 0, 3); 2066 2067 s = spltty(); 2068 sc->mode.rate = mode.rate; 2069 sc->mode.resolution = mode.resolution; 2070 sc->mode.accelfactor = mode.accelfactor; 2071 sc->mode.level = mode.level; 2072 splx(s); 2073 2074 unblock_mouse_data(sc, command_byte); 2075 break; 2076 2077 case MOUSE_GETLEVEL: 2078 *(int *)addr = sc->mode.level; 2079 break; 2080 2081 case MOUSE_SETLEVEL: 2082 if ((*(int *)addr < PSM_LEVEL_MIN) || 2083 (*(int *)addr > PSM_LEVEL_MAX)) 2084 return (EINVAL); 2085 sc->mode.level = *(int *)addr; 2086 break; 2087 2088 case MOUSE_GETSTATUS: 2089 s = spltty(); 2090 status = sc->status; 2091 sc->status.flags = 0; 2092 sc->status.obutton = sc->status.button; 2093 sc->status.button = 0; 2094 sc->status.dx = 0; 2095 sc->status.dy = 0; 2096 sc->status.dz = 0; 2097 splx(s); 2098 *(mousestatus_t *)addr = status; 2099 break; 2100 2101 #if (defined(MOUSE_GETVARS)) 2102 case MOUSE_GETVARS: 2103 var = (mousevar_t *)addr; 2104 bzero(var, sizeof(*var)); 2105 s = spltty(); 2106 var->var[0] = MOUSE_VARS_PS2_SIG; 2107 var->var[1] = sc->config; 2108 var->var[2] = sc->flags; 2109 splx(s); 2110 break; 2111 2112 case MOUSE_SETVARS: 2113 return (ENODEV); 2114 #endif /* MOUSE_GETVARS */ 2115 2116 case MOUSE_READSTATE: 2117 case MOUSE_READDATA: 2118 data = (mousedata_t *)addr; 2119 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2120 return (EINVAL); 2121 2122 error = block_mouse_data(sc, &command_byte); 2123 if (error) 2124 return (error); 2125 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2126 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2127 error = EIO; 2128 unblock_mouse_data(sc, command_byte); 2129 break; 2130 2131 #if (defined(MOUSE_SETRESOLUTION)) 2132 case MOUSE_SETRESOLUTION: 2133 mode.resolution = *(int *)addr; 2134 if (mode.resolution >= UCHAR_MAX) 2135 return (EINVAL); 2136 else if (mode.resolution >= 200) 2137 mode.resolution = MOUSE_RES_HIGH; 2138 else if (mode.resolution >= 100) 2139 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2140 else if (mode.resolution >= 50) 2141 mode.resolution = MOUSE_RES_MEDIUMLOW; 2142 else if (mode.resolution > 0) 2143 mode.resolution = MOUSE_RES_LOW; 2144 if (mode.resolution == MOUSE_RES_DEFAULT) 2145 mode.resolution = sc->dflt_mode.resolution; 2146 else if (mode.resolution == -1) 2147 mode.resolution = sc->mode.resolution; 2148 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2149 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2150 2151 error = block_mouse_data(sc, &command_byte); 2152 if (error) 2153 return (error); 2154 sc->mode.resolution = 2155 set_mouse_resolution(sc->kbdc, mode.resolution); 2156 if (sc->mode.resolution != mode.resolution) 2157 error = EIO; 2158 unblock_mouse_data(sc, command_byte); 2159 break; 2160 #endif /* MOUSE_SETRESOLUTION */ 2161 2162 #if (defined(MOUSE_SETRATE)) 2163 case MOUSE_SETRATE: 2164 mode.rate = *(int *)addr; 2165 if (mode.rate > UCHAR_MAX) 2166 return (EINVAL); 2167 if (mode.rate == 0) 2168 mode.rate = sc->dflt_mode.rate; 2169 else if (mode.rate < 0) 2170 mode.rate = sc->mode.rate; 2171 2172 error = block_mouse_data(sc, &command_byte); 2173 if (error) 2174 return (error); 2175 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2176 if (sc->mode.rate != mode.rate) 2177 error = EIO; 2178 unblock_mouse_data(sc, command_byte); 2179 break; 2180 #endif /* MOUSE_SETRATE */ 2181 2182 #if (defined(MOUSE_SETSCALING)) 2183 case MOUSE_SETSCALING: 2184 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2185 return (EINVAL); 2186 2187 error = block_mouse_data(sc, &command_byte); 2188 if (error) 2189 return (error); 2190 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2191 error = EIO; 2192 unblock_mouse_data(sc, command_byte); 2193 break; 2194 #endif /* MOUSE_SETSCALING */ 2195 2196 #if (defined(MOUSE_GETHWID)) 2197 case MOUSE_GETHWID: 2198 error = block_mouse_data(sc, &command_byte); 2199 if (error) 2200 return (error); 2201 sc->hw.hwid &= ~0x00ff; 2202 sc->hw.hwid |= get_aux_id(sc->kbdc); 2203 *(int *)addr = sc->hw.hwid & 0x00ff; 2204 unblock_mouse_data(sc, command_byte); 2205 break; 2206 #endif /* MOUSE_GETHWID */ 2207 2208 case FIONBIO: 2209 case FIOASYNC: 2210 break; 2211 case FIOSETOWN: 2212 error = fsetown(*(int *)addr, &sc->async); 2213 break; 2214 case FIOGETOWN: 2215 *(int *) addr = fgetown(&sc->async); 2216 break; 2217 default: 2218 return (ENOTTY); 2219 } 2220 2221 return (error); 2222 } 2223 2224 static void 2225 psmtimeout(void *arg) 2226 { 2227 struct psm_softc *sc; 2228 int s; 2229 2230 sc = (struct psm_softc *)arg; 2231 s = spltty(); 2232 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2233 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2234 psmintr(sc); 2235 kbdc_lock(sc->kbdc, FALSE); 2236 } 2237 sc->watchdog = TRUE; 2238 splx(s); 2239 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz); 2240 } 2241 2242 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2243 SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2244 SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2245 2246 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2247 "Verbosity level"); 2248 2249 static int psmhz = 20; 2250 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2251 "Frequency of the softcallout (in hz)"); 2252 static int psmerrsecs = 2; 2253 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2254 "Number of seconds during which packets will dropped after a sync error"); 2255 static int psmerrusecs = 0; 2256 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2257 "Microseconds to add to psmerrsecs"); 2258 static int psmsecs = 0; 2259 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2260 "Max number of seconds between soft interrupts"); 2261 static int psmusecs = 500000; 2262 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2263 "Microseconds to add to psmsecs"); 2264 static int pkterrthresh = 2; 2265 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2266 "Number of error packets allowed before reinitializing the mouse"); 2267 2268 static int tap_threshold = PSM_TAP_THRESHOLD; 2269 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2270 "Button tap threshold"); 2271 static int tap_timeout = PSM_TAP_TIMEOUT; 2272 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2273 "Tap timeout for touchpads"); 2274 2275 static void 2276 psmintr(void *arg) 2277 { 2278 struct psm_softc *sc = arg; 2279 struct timeval now; 2280 int c; 2281 packetbuf_t *pb; 2282 2283 2284 /* read until there is nothing to read */ 2285 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2286 pb = &sc->pqueue[sc->pqueue_end]; 2287 2288 /* discard the byte if the device is not open */ 2289 if ((sc->state & PSM_OPEN) == 0) 2290 continue; 2291 2292 getmicrouptime(&now); 2293 if ((pb->inputbytes > 0) && 2294 timevalcmp(&now, &sc->inputtimeout, >)) { 2295 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2296 "resetting byte count\n")); 2297 pb->inputbytes = 0; 2298 sc->syncerrors = 0; 2299 sc->pkterrors = 0; 2300 } 2301 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2302 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2303 timevaladd(&sc->inputtimeout, &now); 2304 2305 pb->ipacket[pb->inputbytes++] = c; 2306 2307 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2308 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2309 sc->syncerrors = 0; 2310 sc->pkterrors = 0; 2311 goto next; 2312 } else { 2313 if (pb->inputbytes < sc->mode.packetsize) 2314 continue; 2315 2316 VLOG(4, (LOG_DEBUG, 2317 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2318 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2319 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2320 } 2321 2322 c = pb->ipacket[0]; 2323 2324 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2325 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2326 sc->flags &= ~PSM_NEED_SYNCBITS; 2327 VLOG(2, (LOG_DEBUG, 2328 "psmintr: Sync bytes now %04x,%04x\n", 2329 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2330 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2331 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2332 "(%04x != %04x) %d cmds since last error.\n", 2333 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2334 sc->cmdcount - sc->lasterr)); 2335 sc->lasterr = sc->cmdcount; 2336 /* 2337 * The sync byte test is a weak measure of packet 2338 * validity. Conservatively discard any input yet 2339 * to be seen by userland when we detect a sync 2340 * error since there is a good chance some of 2341 * the queued packets have undetected errors. 2342 */ 2343 dropqueue(sc); 2344 if (sc->syncerrors == 0) 2345 sc->pkterrors++; 2346 ++sc->syncerrors; 2347 sc->lastinputerr = now; 2348 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2349 sc->pkterrors >= pkterrthresh) { 2350 /* 2351 * If we've failed to find a single sync byte 2352 * in 2 packets worth of data, or we've seen 2353 * persistent packet errors during the 2354 * validation period, reinitialize the mouse 2355 * in hopes of returning it to the expected 2356 * mode. 2357 */ 2358 VLOG(3, (LOG_DEBUG, 2359 "psmintr: reset the mouse.\n")); 2360 reinitialize(sc, TRUE); 2361 } else if (sc->syncerrors == sc->mode.packetsize) { 2362 /* 2363 * Try a soft reset after searching for a sync 2364 * byte through a packet length of bytes. 2365 */ 2366 VLOG(3, (LOG_DEBUG, 2367 "psmintr: re-enable the mouse.\n")); 2368 pb->inputbytes = 0; 2369 disable_aux_dev(sc->kbdc); 2370 enable_aux_dev(sc->kbdc); 2371 } else { 2372 VLOG(3, (LOG_DEBUG, 2373 "psmintr: discard a byte (%d)\n", 2374 sc->syncerrors)); 2375 pb->inputbytes--; 2376 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2377 pb->inputbytes); 2378 } 2379 continue; 2380 } 2381 2382 /* 2383 * We have what appears to be a valid packet. 2384 * Reset the error counters. 2385 */ 2386 sc->syncerrors = 0; 2387 2388 /* 2389 * Drop even good packets if they occur within a timeout 2390 * period of a sync error. This allows the detection of 2391 * a change in the mouse's packet mode without exposing 2392 * erratic mouse behavior to the user. Some KVMs forget 2393 * enhanced mouse modes during switch events. 2394 */ 2395 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2396 &now)) { 2397 pb->inputbytes = 0; 2398 continue; 2399 } 2400 2401 /* 2402 * Now that we're out of the validation period, reset 2403 * the packet error count. 2404 */ 2405 sc->pkterrors = 0; 2406 2407 sc->cmdcount++; 2408 next: 2409 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2410 sc->pqueue_end = 0; 2411 /* 2412 * If we've filled the queue then call the softintr ourselves, 2413 * otherwise schedule the interrupt for later. 2414 */ 2415 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2416 (sc->pqueue_end == sc->pqueue_start)) { 2417 if ((sc->state & PSM_SOFTARMED) != 0) { 2418 sc->state &= ~PSM_SOFTARMED; 2419 untimeout(psmsoftintr, arg, sc->softcallout); 2420 } 2421 psmsoftintr(arg); 2422 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2423 sc->state |= PSM_SOFTARMED; 2424 sc->softcallout = timeout(psmsoftintr, arg, 2425 psmhz < 1 ? 1 : (hz/psmhz)); 2426 } 2427 } 2428 } 2429 2430 static void 2431 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2432 int *x, int *y, int *z) 2433 { 2434 2435 /* 2436 * PS2++ protocl packet 2437 * 2438 * b7 b6 b5 b4 b3 b2 b1 b0 2439 * byte 1: * 1 p3 p2 1 * * * 2440 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2441 * 2442 * p3-p0: packet type 2443 * c1, c2: c1 & c2 == 1, if p2 == 0 2444 * c1 & c2 == 0, if p2 == 1 2445 * 2446 * packet type: 0 (device type) 2447 * See comments in enable_mmanplus() below. 2448 * 2449 * packet type: 1 (wheel data) 2450 * 2451 * b7 b6 b5 b4 b3 b2 b1 b0 2452 * byte 3: h * B5 B4 s d2 d1 d0 2453 * 2454 * h: 1, if horizontal roller data 2455 * 0, if vertical roller data 2456 * B4, B5: button 4 and 5 2457 * s: sign bit 2458 * d2-d0: roller data 2459 * 2460 * packet type: 2 (reserved) 2461 */ 2462 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2463 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2464 /* 2465 * the extended data packet encodes button 2466 * and wheel events 2467 */ 2468 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2469 case 1: 2470 /* wheel data packet */ 2471 *x = *y = 0; 2472 if (pb->ipacket[2] & 0x80) { 2473 /* XXX horizontal roller count - ignore it */ 2474 ; 2475 } else { 2476 /* vertical roller count */ 2477 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2478 (pb->ipacket[2] & 0x0f) - 16 : 2479 (pb->ipacket[2] & 0x0f); 2480 } 2481 ms->button |= (pb->ipacket[2] & 2482 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2483 MOUSE_BUTTON4DOWN : 0; 2484 ms->button |= (pb->ipacket[2] & 2485 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2486 MOUSE_BUTTON5DOWN : 0; 2487 break; 2488 case 2: 2489 /* 2490 * this packet type is reserved by 2491 * Logitech... 2492 */ 2493 /* 2494 * IBM ScrollPoint Mouse uses this 2495 * packet type to encode both vertical 2496 * and horizontal scroll movement. 2497 */ 2498 *x = *y = 0; 2499 /* horizontal count */ 2500 if (pb->ipacket[2] & 0x0f) 2501 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2502 -2 : 2; 2503 /* vertical count */ 2504 if (pb->ipacket[2] & 0xf0) 2505 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2506 -1 : 1; 2507 break; 2508 case 0: 2509 /* device type packet - shouldn't happen */ 2510 /* FALLTHROUGH */ 2511 default: 2512 *x = *y = 0; 2513 ms->button = ms->obutton; 2514 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2515 "type %d: 0x%02x 0x%02x 0x%02x\n", 2516 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2517 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2518 break; 2519 } 2520 } else { 2521 /* preserve button states */ 2522 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2523 } 2524 } 2525 2526 static int 2527 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2528 int *x, int *y, int *z) 2529 { 2530 static int touchpad_buttons; 2531 static int guest_buttons; 2532 int w, x0, y0; 2533 2534 /* TouchPad PS/2 absolute mode message format 2535 * 2536 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2537 * ------------------------------------------------ 2538 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2539 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2540 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2541 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2542 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2543 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2544 * 2545 * Legend: 2546 * L: left physical mouse button 2547 * R: right physical mouse button 2548 * D: down button 2549 * U: up button 2550 * W: "wrist" value 2551 * X: x position 2552 * Y: y position 2553 * Z: pressure 2554 * 2555 * Absolute reportable limits: 0 - 6143. 2556 * Typical bezel limits: 1472 - 5472. 2557 * Typical edge marings: 1632 - 5312. 2558 * 2559 * w = 3 Passthrough Packet 2560 * 2561 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2562 */ 2563 2564 if (!synaptics_support) 2565 return (0); 2566 2567 /* Sanity check for out of sync packets. */ 2568 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2569 (pb->ipacket[3] & 0xc8) != 0xc0) 2570 return (-1); 2571 2572 *x = *y = 0; 2573 2574 /* 2575 * Pressure value. 2576 * Interpretation: 2577 * z = 0 No finger contact 2578 * z = 10 Finger hovering near the pad 2579 * z = 30 Very light finger contact 2580 * z = 80 Normal finger contact 2581 * z = 110 Very heavy finger contact 2582 * z = 200 Finger lying flat on pad surface 2583 * z = 255 Maximum reportable Z 2584 */ 2585 *z = pb->ipacket[2]; 2586 2587 /* 2588 * Finger width value 2589 * Interpretation: 2590 * w = 0 Two finger on the pad (capMultiFinger needed) 2591 * w = 1 Three or more fingers (capMultiFinger needed) 2592 * w = 2 Pen (instead of finger) (capPen needed) 2593 * w = 3 Reserved (passthrough?) 2594 * w = 4-7 Finger of normal width (capPalmDetect needed) 2595 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2596 * w = 15 Maximum reportable width (capPalmDetect needed) 2597 */ 2598 /* XXX Is checking capExtended enough? */ 2599 if (sc->synhw.capExtended) 2600 w = ((pb->ipacket[0] & 0x30) >> 2) | 2601 ((pb->ipacket[0] & 0x04) >> 1) | 2602 ((pb->ipacket[3] & 0x04) >> 2); 2603 else { 2604 /* Assume a finger of regular width. */ 2605 w = 4; 2606 } 2607 2608 /* Handle packets from the guest device */ 2609 /* XXX Documentation? */ 2610 if (w == 3 && sc->synhw.capPassthrough) { 2611 *x = ((pb->ipacket[1] & 0x10) ? 2612 pb->ipacket[4] - 256 : pb->ipacket[4]); 2613 *y = ((pb->ipacket[1] & 0x20) ? 2614 pb->ipacket[5] - 256 : pb->ipacket[5]); 2615 *z = 0; 2616 2617 guest_buttons = 0; 2618 if (pb->ipacket[1] & 0x01) 2619 guest_buttons |= MOUSE_BUTTON1DOWN; 2620 if (pb->ipacket[1] & 0x04) 2621 guest_buttons |= MOUSE_BUTTON2DOWN; 2622 if (pb->ipacket[1] & 0x02) 2623 guest_buttons |= MOUSE_BUTTON3DOWN; 2624 2625 ms->button = touchpad_buttons | guest_buttons; 2626 goto SYNAPTICS_END; 2627 } 2628 2629 /* Button presses */ 2630 touchpad_buttons = 0; 2631 if (pb->ipacket[0] & 0x01) 2632 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2633 if (pb->ipacket[0] & 0x02) 2634 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2635 2636 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2637 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2638 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2639 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2640 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2641 } 2642 2643 /* 2644 * In newer pads - bit 0x02 in the third byte of 2645 * the packet indicates that we have an extended 2646 * button press. 2647 */ 2648 /* XXX Documentation? */ 2649 if (pb->ipacket[3] & 0x02) { 2650 /* 2651 * if directional_scrolls is not 1, we treat any of 2652 * the scrolling directions as middle-click. 2653 */ 2654 if (sc->syninfo.directional_scrolls) { 2655 if (pb->ipacket[4] & 0x01) 2656 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2657 if (pb->ipacket[5] & 0x01) 2658 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2659 if (pb->ipacket[4] & 0x02) 2660 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2661 if (pb->ipacket[5] & 0x02) 2662 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2663 } else { 2664 if ((pb->ipacket[4] & 0x0F) || 2665 (pb->ipacket[5] & 0x0F)) 2666 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2667 } 2668 } 2669 2670 ms->button = touchpad_buttons | guest_buttons; 2671 2672 /* Check pressure to detect a real wanted action on the 2673 * touchpad. */ 2674 if (*z >= sc->syninfo.min_pressure) { 2675 synapticsaction_t *synaction; 2676 int cursor, peer, window; 2677 int dx, dy, dxp, dyp; 2678 int max_width, max_pressure; 2679 int margin_top, margin_right, margin_bottom, margin_left; 2680 int na_top, na_right, na_bottom, na_left; 2681 int window_min, window_max; 2682 int multiplicator; 2683 int weight_current, weight_previous, weight_len_squared; 2684 int div_min, div_max, div_len; 2685 int vscroll_hor_area, vscroll_ver_area; 2686 2687 int len, weight_prev_x, weight_prev_y; 2688 int div_max_x, div_max_y, div_x, div_y; 2689 2690 /* Read sysctl. */ 2691 /* XXX Verify values? */ 2692 max_width = sc->syninfo.max_width; 2693 max_pressure = sc->syninfo.max_pressure; 2694 margin_top = sc->syninfo.margin_top; 2695 margin_right = sc->syninfo.margin_right; 2696 margin_bottom = sc->syninfo.margin_bottom; 2697 margin_left = sc->syninfo.margin_left; 2698 na_top = sc->syninfo.na_top; 2699 na_right = sc->syninfo.na_right; 2700 na_bottom = sc->syninfo.na_bottom; 2701 na_left = sc->syninfo.na_left; 2702 window_min = sc->syninfo.window_min; 2703 window_max = sc->syninfo.window_max; 2704 multiplicator = sc->syninfo.multiplicator; 2705 weight_current = sc->syninfo.weight_current; 2706 weight_previous = sc->syninfo.weight_previous; 2707 weight_len_squared = sc->syninfo.weight_len_squared; 2708 div_min = sc->syninfo.div_min; 2709 div_max = sc->syninfo.div_max; 2710 div_len = sc->syninfo.div_len; 2711 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2712 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2713 2714 /* Palm detection. */ 2715 if (!( 2716 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2717 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2718 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2719 (sc->synhw.capPen && w == 2))) { 2720 /* 2721 * We consider the packet irrelevant for the current 2722 * action when: 2723 * - the width isn't comprised in: 2724 * [4; max_width] 2725 * - the pressure isn't comprised in: 2726 * [min_pressure; max_pressure] 2727 * - pen aren't supported but w is 2 2728 * 2729 * Note that this doesn't terminate the current action. 2730 */ 2731 VLOG(2, (LOG_DEBUG, 2732 "synaptics: palm detected! (%d)\n", w)); 2733 goto SYNAPTICS_END; 2734 } 2735 2736 /* Read current absolute position. */ 2737 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2738 ((pb->ipacket[1] & 0x0f) << 8) | 2739 pb->ipacket[4]; 2740 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2741 ((pb->ipacket[1] & 0xf0) << 4) | 2742 pb->ipacket[5]; 2743 2744 synaction = &(sc->synaction); 2745 2746 /* 2747 * If the action is just beginning, init the structure and 2748 * compute tap timeout. 2749 */ 2750 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2751 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2752 2753 /* Store the first point of this action. */ 2754 synaction->start_x = x0; 2755 synaction->start_y = y0; 2756 dx = dy = 0; 2757 2758 /* Initialize queue. */ 2759 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2760 synaction->queue_len = 0; 2761 synaction->window_min = window_min; 2762 2763 /* Reset average. */ 2764 synaction->avg_dx = 0; 2765 synaction->avg_dy = 0; 2766 2767 /* Reset squelch. */ 2768 synaction->squelch_x = 0; 2769 synaction->squelch_y = 0; 2770 2771 /* Reset pressure peak. */ 2772 sc->zmax = 0; 2773 2774 /* Reset fingers count. */ 2775 synaction->fingers_nb = 0; 2776 2777 /* Reset virtual scrolling state. */ 2778 synaction->in_vscroll = 0; 2779 2780 /* Compute tap timeout. */ 2781 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2782 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2783 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2784 2785 sc->flags |= PSM_FLAGS_FINGERDOWN; 2786 } else { 2787 /* Calculate the current delta. */ 2788 cursor = synaction->queue_cursor; 2789 dx = x0 - synaction->queue[cursor].x; 2790 dy = y0 - synaction->queue[cursor].y; 2791 } 2792 2793 /* If in tap-hold, add the recorded button. */ 2794 if (synaction->in_taphold) 2795 ms->button |= synaction->tap_button; 2796 2797 /* 2798 * From now on, we can use the SYNAPTICS_END label to skip 2799 * the current packet. 2800 */ 2801 2802 /* 2803 * Limit the coordinates to the specified margins because 2804 * this area isn't very reliable. 2805 */ 2806 if (x0 <= margin_left) 2807 x0 = margin_left; 2808 else if (x0 >= 6143 - margin_right) 2809 x0 = 6143 - margin_right; 2810 if (y0 <= margin_bottom) 2811 y0 = margin_bottom; 2812 else if (y0 >= 6143 - margin_top) 2813 y0 = 6143 - margin_top; 2814 2815 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2816 x0, y0, *z, w)); 2817 2818 /* Queue this new packet. */ 2819 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2820 synaction->queue[cursor].x = x0; 2821 synaction->queue[cursor].y = y0; 2822 synaction->queue_cursor = cursor; 2823 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2824 synaction->queue_len++; 2825 VLOG(5, (LOG_DEBUG, 2826 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2827 cursor, x0, y0, dx, dy)); 2828 2829 /* 2830 * For tap, we keep the maximum number of fingers and the 2831 * pressure peak. Also with multiple fingers, we increase 2832 * the minimum window. 2833 */ 2834 switch (w) { 2835 case 1: /* Three or more fingers. */ 2836 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2837 synaction->window_min = window_max; 2838 break; 2839 case 0: /* Two fingers. */ 2840 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2841 synaction->window_min = window_max; 2842 break; 2843 default: /* One finger or undetectable. */ 2844 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2845 } 2846 sc->zmax = imax(*z, sc->zmax); 2847 2848 /* Do we have enough packets to consider this a movement? */ 2849 if (synaction->queue_len < synaction->window_min) 2850 goto SYNAPTICS_END; 2851 2852 /* Is a scrolling action occuring? */ 2853 if (!synaction->in_taphold && !synaction->in_vscroll) { 2854 /* 2855 * A scrolling action must not conflict with a tap 2856 * action. Here are the conditions to consider a 2857 * scrolling action: 2858 * - the action in a configurable area 2859 * - one of the following: 2860 * . the distance between the last packet and the 2861 * first should be above a configurable minimum 2862 * . tap timed out 2863 */ 2864 dxp = abs(synaction->queue[synaction->queue_cursor].x - 2865 synaction->start_x); 2866 dyp = abs(synaction->queue[synaction->queue_cursor].y - 2867 synaction->start_y); 2868 2869 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 2870 dxp >= sc->syninfo.vscroll_min_delta || 2871 dyp >= sc->syninfo.vscroll_min_delta) { 2872 /* Check for horizontal scrolling. */ 2873 if ((vscroll_hor_area > 0 && 2874 synaction->start_y <= vscroll_hor_area) || 2875 (vscroll_hor_area < 0 && 2876 synaction->start_y >= 2877 6143 + vscroll_hor_area)) 2878 synaction->in_vscroll += 2; 2879 2880 /* Check for vertical scrolling. */ 2881 if ((vscroll_ver_area > 0 && 2882 synaction->start_x <= vscroll_ver_area) || 2883 (vscroll_ver_area < 0 && 2884 synaction->start_x >= 2885 6143 + vscroll_ver_area)) 2886 synaction->in_vscroll += 1; 2887 2888 /* Avoid conflicts if area overlaps. */ 2889 if (synaction->in_vscroll == 3) 2890 synaction->in_vscroll = 2891 (dxp > dyp) ? 2 : 1; 2892 } 2893 VLOG(5, (LOG_DEBUG, 2894 "synaptics: virtual scrolling: %s " 2895 "(direction=%d, dxp=%d, dyp=%d)\n", 2896 synaction->in_vscroll ? "YES" : "NO", 2897 synaction->in_vscroll, dxp, dyp)); 2898 } 2899 2900 weight_prev_x = weight_prev_y = weight_previous; 2901 div_max_x = div_max_y = div_max; 2902 2903 if (synaction->in_vscroll) { 2904 /* Dividers are different with virtual scrolling. */ 2905 div_min = sc->syninfo.vscroll_div_min; 2906 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 2907 } else { 2908 /* 2909 * There's a lot of noise in coordinates when 2910 * the finger is on the touchpad's borders. When 2911 * using this area, we apply a special weight and 2912 * div. 2913 */ 2914 if (x0 <= na_left || x0 >= 6143 - na_right) { 2915 weight_prev_x = sc->syninfo.weight_previous_na; 2916 div_max_x = sc->syninfo.div_max_na; 2917 } 2918 2919 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 2920 weight_prev_y = sc->syninfo.weight_previous_na; 2921 div_max_y = sc->syninfo.div_max_na; 2922 } 2923 } 2924 2925 /* 2926 * Calculate weights for the average operands and 2927 * the divisor. Both depend on the distance between 2928 * the current packet and a previous one (based on the 2929 * window width). 2930 */ 2931 window = imin(synaction->queue_len, window_max); 2932 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 2933 dxp = abs(x0 - synaction->queue[peer].x) + 1; 2934 dyp = abs(y0 - synaction->queue[peer].y) + 1; 2935 len = (dxp * dxp) + (dyp * dyp); 2936 weight_prev_x = imin(weight_prev_x, 2937 weight_len_squared * weight_prev_x / len); 2938 weight_prev_y = imin(weight_prev_y, 2939 weight_len_squared * weight_prev_y / len); 2940 2941 len = (dxp + dyp) / 2; 2942 div_x = div_len * div_max_x / len; 2943 div_x = imin(div_max_x, div_x); 2944 div_x = imax(div_min, div_x); 2945 div_y = div_len * div_max_y / len; 2946 div_y = imin(div_max_y, div_y); 2947 div_y = imax(div_min, div_y); 2948 2949 VLOG(3, (LOG_DEBUG, 2950 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 2951 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 2952 2953 /* Compute averages. */ 2954 synaction->avg_dx = 2955 (weight_current * dx * multiplicator + 2956 weight_prev_x * synaction->avg_dx) / 2957 (weight_current + weight_prev_x); 2958 2959 synaction->avg_dy = 2960 (weight_current * dy * multiplicator + 2961 weight_prev_y * synaction->avg_dy) / 2962 (weight_current + weight_prev_y); 2963 2964 VLOG(5, (LOG_DEBUG, 2965 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 2966 synaction->avg_dx / multiplicator, 2967 synaction->avg_dy / multiplicator)); 2968 2969 /* Use these averages to calculate x & y. */ 2970 synaction->squelch_x += synaction->avg_dx; 2971 *x = synaction->squelch_x / (div_x * multiplicator); 2972 synaction->squelch_x = synaction->squelch_x % 2973 (div_x * multiplicator); 2974 2975 synaction->squelch_y += synaction->avg_dy; 2976 *y = synaction->squelch_y / (div_y * multiplicator); 2977 synaction->squelch_y = synaction->squelch_y % 2978 (div_y * multiplicator); 2979 2980 if (synaction->in_vscroll) { 2981 switch(synaction->in_vscroll) { 2982 case 1: /* Vertical scrolling. */ 2983 if (*y != 0) 2984 ms->button |= (*y > 0) ? 2985 MOUSE_BUTTON4DOWN : 2986 MOUSE_BUTTON5DOWN; 2987 break; 2988 case 2: /* Horizontal scrolling. */ 2989 if (*x != 0) 2990 ms->button |= (*x > 0) ? 2991 MOUSE_BUTTON7DOWN : 2992 MOUSE_BUTTON6DOWN; 2993 break; 2994 } 2995 2996 /* The pointer is not moved. */ 2997 *x = *y = 0; 2998 } else { 2999 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3000 dx, dy, *x, *y)); 3001 } 3002 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3003 /* 3004 * An action is currently taking place but the pressure 3005 * dropped under the minimum, putting an end to it. 3006 */ 3007 synapticsaction_t *synaction; 3008 int taphold_timeout, dx, dy, tap_max_delta; 3009 3010 synaction = &(sc->synaction); 3011 dx = abs(synaction->queue[synaction->queue_cursor].x - 3012 synaction->start_x); 3013 dy = abs(synaction->queue[synaction->queue_cursor].y - 3014 synaction->start_y); 3015 3016 /* Max delta is disabled for multi-fingers tap. */ 3017 if (synaction->fingers_nb > 1) 3018 tap_max_delta = imax(dx, dy); 3019 else 3020 tap_max_delta = sc->syninfo.tap_max_delta; 3021 3022 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3023 3024 /* Check for tap. */ 3025 VLOG(3, (LOG_DEBUG, 3026 "synaptics: zmax=%d, dx=%d, dy=%d, " 3027 "delta=%d, fingers=%d, queue=%d\n", 3028 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3029 synaction->queue_len)); 3030 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3031 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3032 dx <= tap_max_delta && dy <= tap_max_delta && 3033 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3034 /* 3035 * We have a tap if: 3036 * - the maximum pressure went over tap_threshold 3037 * - the action ended before tap_timeout 3038 * 3039 * To handle tap-hold, we must delay any button push to 3040 * the next action. 3041 */ 3042 if (synaction->in_taphold) { 3043 /* 3044 * This is the second and last tap of a 3045 * double tap action, not a tap-hold. 3046 */ 3047 synaction->in_taphold = 0; 3048 3049 /* 3050 * For double-tap to work: 3051 * - no button press is emitted (to 3052 * simulate a button release) 3053 * - PSM_FLAGS_FINGERDOWN is set to 3054 * force the next packet to emit a 3055 * button press) 3056 */ 3057 VLOG(2, (LOG_DEBUG, 3058 "synaptics: button RELEASE: %d\n", 3059 synaction->tap_button)); 3060 sc->flags |= PSM_FLAGS_FINGERDOWN; 3061 } else { 3062 /* 3063 * This is the first tap: we set the 3064 * tap-hold state and notify the button 3065 * down event. 3066 */ 3067 synaction->in_taphold = 1; 3068 taphold_timeout = sc->syninfo.taphold_timeout; 3069 sc->taptimeout.tv_sec = taphold_timeout / 3070 1000000; 3071 sc->taptimeout.tv_usec = taphold_timeout % 3072 1000000; 3073 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3074 3075 switch (synaction->fingers_nb) { 3076 case 3: 3077 synaction->tap_button = 3078 MOUSE_BUTTON2DOWN; 3079 break; 3080 case 2: 3081 synaction->tap_button = 3082 MOUSE_BUTTON3DOWN; 3083 break; 3084 default: 3085 synaction->tap_button = 3086 MOUSE_BUTTON1DOWN; 3087 } 3088 VLOG(2, (LOG_DEBUG, 3089 "synaptics: button PRESS: %d\n", 3090 synaction->tap_button)); 3091 ms->button |= synaction->tap_button; 3092 } 3093 } else { 3094 /* 3095 * Not enough pressure or timeout: reset 3096 * tap-hold state. 3097 */ 3098 if (synaction->in_taphold) { 3099 VLOG(2, (LOG_DEBUG, 3100 "synaptics: button RELEASE: %d\n", 3101 synaction->tap_button)); 3102 synaction->in_taphold = 0; 3103 } else { 3104 VLOG(2, (LOG_DEBUG, 3105 "synaptics: not a tap-hold\n")); 3106 } 3107 } 3108 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3109 sc->synaction.in_taphold) { 3110 /* 3111 * For a tap-hold to work, the button must remain down at 3112 * least until timeout (where the in_taphold flags will be 3113 * cleared) or during the next action. 3114 */ 3115 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3116 ms->button |= sc->synaction.tap_button; 3117 } else { 3118 VLOG(2, (LOG_DEBUG, 3119 "synaptics: button RELEASE: %d\n", 3120 sc->synaction.tap_button)); 3121 sc->synaction.in_taphold = 0; 3122 } 3123 } 3124 3125 SYNAPTICS_END: 3126 /* 3127 * Use the extra buttons as a scrollwheel 3128 * 3129 * XXX X.Org uses the Z axis for vertical wheel only, 3130 * whereas moused(8) understands special values to differ 3131 * vertical and horizontal wheels. 3132 * 3133 * xf86-input-mouse needs therefore a small patch to 3134 * understand these special values. Without it, the 3135 * horizontal wheel acts as a vertical wheel in X.Org. 3136 * 3137 * That's why the horizontal wheel is disabled by 3138 * default for now. 3139 */ 3140 if (ms->button & MOUSE_BUTTON4DOWN) { 3141 *z = -1; 3142 ms->button &= ~MOUSE_BUTTON4DOWN; 3143 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3144 *z = 1; 3145 ms->button &= ~MOUSE_BUTTON5DOWN; 3146 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3147 *z = -2; 3148 ms->button &= ~MOUSE_BUTTON6DOWN; 3149 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3150 *z = 2; 3151 ms->button &= ~MOUSE_BUTTON7DOWN; 3152 } else 3153 *z = 0; 3154 3155 return (0); 3156 } 3157 3158 static void 3159 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3160 int *x, int *y, int *z) 3161 { 3162 static int butmap_versapad[8] = { 3163 0, 3164 MOUSE_BUTTON3DOWN, 3165 0, 3166 MOUSE_BUTTON3DOWN, 3167 MOUSE_BUTTON1DOWN, 3168 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3169 MOUSE_BUTTON1DOWN, 3170 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3171 }; 3172 int c, x0, y0; 3173 3174 /* VersaPad PS/2 absolute mode message format 3175 * 3176 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3177 * ipacket[0]: 1 1 0 A 1 L T R 3178 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3179 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3180 * ipacket[3]: 1 1 1 A 1 L T R 3181 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3182 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3183 * 3184 * [note] 3185 * R: right physical mouse button (1=on) 3186 * T: touch pad virtual button (1=tapping) 3187 * L: left physical mouse button (1=on) 3188 * A: position data is valid (1=valid) 3189 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3190 * V: vertical data (12bit signed integer. V11 is sign bit.) 3191 * P: pressure data 3192 * 3193 * Tapping is mapped to MOUSE_BUTTON4. 3194 */ 3195 c = pb->ipacket[0]; 3196 *x = *y = 0; 3197 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3198 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3199 if (c & MOUSE_PS2VERSA_IN_USE) { 3200 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3201 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3202 if (x0 & 0x800) 3203 x0 -= 0x1000; 3204 if (y0 & 0x800) 3205 y0 -= 0x1000; 3206 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3207 *x = sc->xold - x0; 3208 *y = y0 - sc->yold; 3209 if (*x < 0) /* XXX */ 3210 ++*x; 3211 else if (*x) 3212 --*x; 3213 if (*y < 0) 3214 ++*y; 3215 else if (*y) 3216 --*y; 3217 } else 3218 sc->flags |= PSM_FLAGS_FINGERDOWN; 3219 sc->xold = x0; 3220 sc->yold = y0; 3221 } else 3222 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3223 } 3224 3225 static void 3226 psmsoftintr(void *arg) 3227 { 3228 /* 3229 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3230 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3231 */ 3232 static int butmap[8] = { 3233 0, 3234 MOUSE_BUTTON1DOWN, 3235 MOUSE_BUTTON3DOWN, 3236 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3237 MOUSE_BUTTON2DOWN, 3238 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3239 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3240 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3241 }; 3242 register struct psm_softc *sc = arg; 3243 mousestatus_t ms; 3244 packetbuf_t *pb; 3245 int x, y, z, c, l, s; 3246 3247 getmicrouptime(&sc->lastsoftintr); 3248 3249 s = spltty(); 3250 3251 do { 3252 pb = &sc->pqueue[sc->pqueue_start]; 3253 3254 if (sc->mode.level == PSM_LEVEL_NATIVE) 3255 goto next_native; 3256 3257 c = pb->ipacket[0]; 3258 /* 3259 * A kludge for Kensington device! 3260 * The MSB of the horizontal count appears to be stored in 3261 * a strange place. 3262 */ 3263 if (sc->hw.model == MOUSE_MODEL_THINK) 3264 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3265 3266 /* ignore the overflow bits... */ 3267 x = (c & MOUSE_PS2_XNEG) ? 3268 pb->ipacket[1] - 256 : pb->ipacket[1]; 3269 y = (c & MOUSE_PS2_YNEG) ? 3270 pb->ipacket[2] - 256 : pb->ipacket[2]; 3271 z = 0; 3272 ms.obutton = sc->button; /* previous button state */ 3273 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3274 /* `tapping' action */ 3275 if (sc->config & PSM_CONFIG_FORCETAP) 3276 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3277 0 : MOUSE_BUTTON4DOWN; 3278 3279 switch (sc->hw.model) { 3280 3281 case MOUSE_MODEL_EXPLORER: 3282 /* 3283 * b7 b6 b5 b4 b3 b2 b1 b0 3284 * byte 1: oy ox sy sx 1 M R L 3285 * byte 2: x x x x x x x x 3286 * byte 3: y y y y y y y y 3287 * byte 4: * * S2 S1 s d2 d1 d0 3288 * 3289 * L, M, R, S1, S2: left, middle, right and side buttons 3290 * s: wheel data sign bit 3291 * d2-d0: wheel data 3292 */ 3293 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3294 (pb->ipacket[3] & 0x0f) - 16 : 3295 (pb->ipacket[3] & 0x0f); 3296 ms.button |= 3297 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3298 MOUSE_BUTTON4DOWN : 0; 3299 ms.button |= 3300 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3301 MOUSE_BUTTON5DOWN : 0; 3302 break; 3303 3304 case MOUSE_MODEL_INTELLI: 3305 case MOUSE_MODEL_NET: 3306 /* wheel data is in the fourth byte */ 3307 z = (char)pb->ipacket[3]; 3308 /* 3309 * XXX some mice may send 7 when there is no Z movement? */ 3310 if ((z >= 7) || (z <= -7)) 3311 z = 0; 3312 /* some compatible mice have additional buttons */ 3313 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3314 MOUSE_BUTTON4DOWN : 0; 3315 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3316 MOUSE_BUTTON5DOWN : 0; 3317 break; 3318 3319 case MOUSE_MODEL_MOUSEMANPLUS: 3320 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3321 break; 3322 3323 case MOUSE_MODEL_GLIDEPOINT: 3324 /* `tapping' action */ 3325 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3326 MOUSE_BUTTON4DOWN; 3327 break; 3328 3329 case MOUSE_MODEL_NETSCROLL: 3330 /* 3331 * three addtional bytes encode buttons and 3332 * wheel events 3333 */ 3334 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3335 MOUSE_BUTTON4DOWN : 0; 3336 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3337 MOUSE_BUTTON5DOWN : 0; 3338 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3339 pb->ipacket[4] - 256 : pb->ipacket[4]; 3340 break; 3341 3342 case MOUSE_MODEL_THINK: 3343 /* the fourth button state in the first byte */ 3344 ms.button |= (c & MOUSE_PS2_TAP) ? 3345 MOUSE_BUTTON4DOWN : 0; 3346 break; 3347 3348 case MOUSE_MODEL_VERSAPAD: 3349 proc_versapad(sc, pb, &ms, &x, &y, &z); 3350 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3351 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3352 break; 3353 3354 case MOUSE_MODEL_4D: 3355 /* 3356 * b7 b6 b5 b4 b3 b2 b1 b0 3357 * byte 1: s2 d2 s1 d1 1 M R L 3358 * byte 2: sx x x x x x x x 3359 * byte 3: sy y y y y y y y 3360 * 3361 * s1: wheel 1 direction 3362 * d1: wheel 1 data 3363 * s2: wheel 2 direction 3364 * d2: wheel 2 data 3365 */ 3366 x = (pb->ipacket[1] & 0x80) ? 3367 pb->ipacket[1] - 256 : pb->ipacket[1]; 3368 y = (pb->ipacket[2] & 0x80) ? 3369 pb->ipacket[2] - 256 : pb->ipacket[2]; 3370 switch (c & MOUSE_4D_WHEELBITS) { 3371 case 0x10: 3372 z = 1; 3373 break; 3374 case 0x30: 3375 z = -1; 3376 break; 3377 case 0x40: /* XXX 2nd wheel turning right */ 3378 z = 2; 3379 break; 3380 case 0xc0: /* XXX 2nd wheel turning left */ 3381 z = -2; 3382 break; 3383 } 3384 break; 3385 3386 case MOUSE_MODEL_4DPLUS: 3387 if ((x < 16 - 256) && (y < 16 - 256)) { 3388 /* 3389 * b7 b6 b5 b4 b3 b2 b1 b0 3390 * byte 1: 0 0 1 1 1 M R L 3391 * byte 2: 0 0 0 0 1 0 0 0 3392 * byte 3: 0 0 0 0 S s d1 d0 3393 * 3394 * L, M, R, S: left, middle, right, 3395 * and side buttons 3396 * s: wheel data sign bit 3397 * d1-d0: wheel data 3398 */ 3399 x = y = 0; 3400 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3401 ms.button |= MOUSE_BUTTON4DOWN; 3402 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3403 ((pb->ipacket[2] & 0x07) - 8) : 3404 (pb->ipacket[2] & 0x07) ; 3405 } else { 3406 /* preserve previous button states */ 3407 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3408 } 3409 break; 3410 3411 case MOUSE_MODEL_SYNAPTICS: 3412 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3413 goto next; 3414 break; 3415 3416 case MOUSE_MODEL_GENERIC: 3417 default: 3418 break; 3419 } 3420 3421 /* scale values */ 3422 if (sc->mode.accelfactor >= 1) { 3423 if (x != 0) { 3424 x = x * x / sc->mode.accelfactor; 3425 if (x == 0) 3426 x = 1; 3427 if (c & MOUSE_PS2_XNEG) 3428 x = -x; 3429 } 3430 if (y != 0) { 3431 y = y * y / sc->mode.accelfactor; 3432 if (y == 0) 3433 y = 1; 3434 if (c & MOUSE_PS2_YNEG) 3435 y = -y; 3436 } 3437 } 3438 3439 ms.dx = x; 3440 ms.dy = y; 3441 ms.dz = z; 3442 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3443 (ms.obutton ^ ms.button); 3444 3445 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3446 3447 sc->status.flags |= ms.flags; 3448 sc->status.dx += ms.dx; 3449 sc->status.dy += ms.dy; 3450 sc->status.dz += ms.dz; 3451 sc->status.button = ms.button; 3452 sc->button = ms.button; 3453 3454 next_native: 3455 sc->watchdog = FALSE; 3456 3457 /* queue data */ 3458 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3459 l = imin(pb->inputbytes, 3460 sizeof(sc->queue.buf) - sc->queue.tail); 3461 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3462 if (pb->inputbytes > l) 3463 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3464 pb->inputbytes - l); 3465 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3466 sizeof(sc->queue.buf); 3467 sc->queue.count += pb->inputbytes; 3468 } 3469 pb->inputbytes = 0; 3470 3471 next: 3472 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3473 sc->pqueue_start = 0; 3474 } while (sc->pqueue_start != sc->pqueue_end); 3475 3476 if (sc->state & PSM_ASLP) { 3477 sc->state &= ~PSM_ASLP; 3478 wakeup(sc); 3479 } 3480 selwakeuppri(&sc->rsel, PZERO); 3481 if (sc->async != NULL) { 3482 pgsigio(&sc->async, SIGIO, 0); 3483 } 3484 sc->state &= ~PSM_SOFTARMED; 3485 splx(s); 3486 } 3487 3488 static int 3489 psmpoll(struct cdev *dev, int events, struct thread *td) 3490 { 3491 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 3492 int s; 3493 int revents = 0; 3494 3495 /* Return true if a mouse event available */ 3496 s = spltty(); 3497 if (events & (POLLIN | POLLRDNORM)) { 3498 if (sc->queue.count > 0) 3499 revents |= events & (POLLIN | POLLRDNORM); 3500 else 3501 selrecord(td, &sc->rsel); 3502 } 3503 splx(s); 3504 3505 return (revents); 3506 } 3507 3508 /* vendor/model specific routines */ 3509 3510 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3511 { 3512 if (set_mouse_resolution(kbdc, res) != res) 3513 return (FALSE); 3514 if (set_mouse_scaling(kbdc, scale) && 3515 set_mouse_scaling(kbdc, scale) && 3516 set_mouse_scaling(kbdc, scale) && 3517 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3518 return (TRUE); 3519 return (FALSE); 3520 } 3521 3522 static int 3523 mouse_ext_command(KBDC kbdc, int command) 3524 { 3525 int c; 3526 3527 c = (command >> 6) & 0x03; 3528 if (set_mouse_resolution(kbdc, c) != c) 3529 return (FALSE); 3530 c = (command >> 4) & 0x03; 3531 if (set_mouse_resolution(kbdc, c) != c) 3532 return (FALSE); 3533 c = (command >> 2) & 0x03; 3534 if (set_mouse_resolution(kbdc, c) != c) 3535 return (FALSE); 3536 c = (command >> 0) & 0x03; 3537 if (set_mouse_resolution(kbdc, c) != c) 3538 return (FALSE); 3539 return (TRUE); 3540 } 3541 3542 #ifdef notyet 3543 /* Logitech MouseMan Cordless II */ 3544 static int 3545 enable_lcordless(struct psm_softc *sc) 3546 { 3547 int status[3]; 3548 int ch; 3549 3550 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 3551 return (FALSE); 3552 if (status[1] == PSMD_RES_HIGH) 3553 return (FALSE); 3554 ch = (status[0] & 0x07) - 1; /* channel # */ 3555 if ((ch <= 0) || (ch > 4)) 3556 return (FALSE); 3557 /* 3558 * status[1]: always one? 3559 * status[2]: battery status? (0-100) 3560 */ 3561 return (TRUE); 3562 } 3563 #endif /* notyet */ 3564 3565 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3566 static int 3567 enable_groller(struct psm_softc *sc) 3568 { 3569 int status[3]; 3570 3571 /* 3572 * The special sequence to enable the fourth button and the 3573 * roller. Immediately after this sequence check status bytes. 3574 * if the mouse is NetScroll, the second and the third bytes are 3575 * '3' and 'D'. 3576 */ 3577 3578 /* 3579 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3580 * look like the following. 3581 * 3582 * byte 1 bit 7 always 0 3583 * bit 6 stream mode (0) 3584 * bit 5 disabled (0) 3585 * bit 4 1:1 scaling (0) 3586 * bit 3 always 0 3587 * bit 0-2 button status 3588 * byte 2 resolution (PSMD_RES_HIGH) 3589 * byte 3 report rate (?) 3590 */ 3591 3592 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3593 return (FALSE); 3594 if ((status[1] != '3') || (status[2] != 'D')) 3595 return (FALSE); 3596 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3597 sc->hw.buttons = 4; 3598 return (TRUE); 3599 } 3600 3601 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3602 static int 3603 enable_gmouse(struct psm_softc *sc) 3604 { 3605 int status[3]; 3606 3607 /* 3608 * The special sequence to enable the middle, "rubber" button. 3609 * Immediately after this sequence check status bytes. 3610 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3611 * the second and the third bytes are '3' and 'U'. 3612 * NOTE: NetMouse reports that it has three buttons although it has 3613 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3614 * say they have three buttons too and they do have a button on the 3615 * side... 3616 */ 3617 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3618 return (FALSE); 3619 if ((status[1] != '3') || (status[2] != 'U')) 3620 return (FALSE); 3621 return (TRUE); 3622 } 3623 3624 /* ALPS GlidePoint */ 3625 static int 3626 enable_aglide(struct psm_softc *sc) 3627 { 3628 int status[3]; 3629 3630 /* 3631 * The special sequence to obtain ALPS GlidePoint specific 3632 * information. Immediately after this sequence, status bytes will 3633 * contain something interesting. 3634 * NOTE: ALPS produces several models of GlidePoint. Some of those 3635 * do not respond to this sequence, thus, cannot be detected this way. 3636 */ 3637 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 3638 return (FALSE); 3639 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 3640 return (FALSE); 3641 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3642 return (FALSE); 3643 return (TRUE); 3644 } 3645 3646 /* Kensington ThinkingMouse/Trackball */ 3647 static int 3648 enable_kmouse(struct psm_softc *sc) 3649 { 3650 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3651 KBDC kbdc = sc->kbdc; 3652 int status[3]; 3653 int id1; 3654 int id2; 3655 int i; 3656 3657 id1 = get_aux_id(kbdc); 3658 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3659 return (FALSE); 3660 /* 3661 * The device is now in the native mode? It returns a different 3662 * ID value... 3663 */ 3664 id2 = get_aux_id(kbdc); 3665 if ((id1 == id2) || (id2 != 2)) 3666 return (FALSE); 3667 3668 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3669 return (FALSE); 3670 #if PSM_DEBUG >= 2 3671 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3672 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3673 return (FALSE); 3674 #endif 3675 3676 /* 3677 * The special sequence to enable the third and fourth buttons. 3678 * Otherwise they behave like the first and second buttons. 3679 */ 3680 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3681 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3682 return (FALSE); 3683 3684 /* 3685 * At this point, the device is using default resolution and 3686 * sampling rate for the native mode. 3687 */ 3688 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3689 return (FALSE); 3690 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3691 return (FALSE); 3692 3693 /* the device appears be enabled by this sequence, diable it for now */ 3694 disable_aux_dev(kbdc); 3695 empty_aux_buffer(kbdc, 5); 3696 3697 return (TRUE); 3698 } 3699 3700 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3701 static int 3702 enable_mmanplus(struct psm_softc *sc) 3703 { 3704 KBDC kbdc = sc->kbdc; 3705 int data[3]; 3706 3707 /* the special sequence to enable the fourth button and the roller. */ 3708 /* 3709 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3710 * must be called exactly three times since the last RESET command 3711 * before this sequence. XXX 3712 */ 3713 if (!set_mouse_scaling(kbdc, 1)) 3714 return (FALSE); 3715 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3716 return (FALSE); 3717 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3718 return (FALSE); 3719 3720 /* 3721 * PS2++ protocl, packet type 0 3722 * 3723 * b7 b6 b5 b4 b3 b2 b1 b0 3724 * byte 1: * 1 p3 p2 1 * * * 3725 * byte 2: 1 1 p1 p0 m1 m0 1 0 3726 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3727 * 3728 * p3-p0: packet type: 0 3729 * m7-m0: model ID: MouseMan+:0x50, 3730 * FirstMouse+:0x51, 3731 * ScrollPoint:0x58... 3732 */ 3733 /* check constant bits */ 3734 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3735 return (FALSE); 3736 if ((data[1] & 0xc3) != 0xc2) 3737 return (FALSE); 3738 /* check d3-d0 in byte 2 */ 3739 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3740 return (FALSE); 3741 /* check p3-p0 */ 3742 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3743 return (FALSE); 3744 3745 sc->hw.hwid &= 0x00ff; 3746 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3747 3748 /* 3749 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3750 * the wheel and the fourth button events are encoded in the 3751 * special data packet. The mouse may be put in the IntelliMouse mode 3752 * if it is initialized by the IntelliMouse's method. 3753 */ 3754 return (TRUE); 3755 } 3756 3757 /* MS IntelliMouse Explorer */ 3758 static int 3759 enable_msexplorer(struct psm_softc *sc) 3760 { 3761 static u_char rate0[] = { 200, 100, 80, }; 3762 static u_char rate1[] = { 200, 200, 80, }; 3763 KBDC kbdc = sc->kbdc; 3764 int id; 3765 int i; 3766 3767 /* 3768 * This is needed for at least A4Tech X-7xx mice - they do not go 3769 * straight to Explorer mode, but need to be set to Intelli mode 3770 * first. 3771 */ 3772 enable_msintelli(sc); 3773 3774 /* the special sequence to enable the extra buttons and the roller. */ 3775 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) 3776 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3777 return (FALSE); 3778 /* the device will give the genuine ID only after the above sequence */ 3779 id = get_aux_id(kbdc); 3780 if (id != PSM_EXPLORER_ID) 3781 return (FALSE); 3782 3783 sc->hw.hwid = id; 3784 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3785 3786 /* 3787 * XXX: this is a kludge to fool some KVM switch products 3788 * which think they are clever enough to know the 4-byte IntelliMouse 3789 * protocol, and assume any other protocols use 3-byte packets. 3790 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3791 * correctly to the host computer because of this! 3792 * The following sequence is actually IntelliMouse's "wake up" 3793 * sequence; it will make the KVM think the mouse is IntelliMouse 3794 * when it is in fact IntelliMouse Explorer. 3795 */ 3796 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) 3797 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3798 break; 3799 id = get_aux_id(kbdc); 3800 3801 return (TRUE); 3802 } 3803 3804 /* MS IntelliMouse */ 3805 static int 3806 enable_msintelli(struct psm_softc *sc) 3807 { 3808 /* 3809 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3810 * probe routine and act like IntelliMouse. 3811 */ 3812 3813 static u_char rate[] = { 200, 100, 80, }; 3814 KBDC kbdc = sc->kbdc; 3815 int id; 3816 int i; 3817 3818 /* the special sequence to enable the third button and the roller. */ 3819 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3820 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3821 return (FALSE); 3822 /* the device will give the genuine ID only after the above sequence */ 3823 id = get_aux_id(kbdc); 3824 if (id != PSM_INTELLI_ID) 3825 return (FALSE); 3826 3827 sc->hw.hwid = id; 3828 sc->hw.buttons = 3; 3829 3830 return (TRUE); 3831 } 3832 3833 /* A4 Tech 4D Mouse */ 3834 static int 3835 enable_4dmouse(struct psm_softc *sc) 3836 { 3837 /* 3838 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3839 */ 3840 3841 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3842 KBDC kbdc = sc->kbdc; 3843 int id; 3844 int i; 3845 3846 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3847 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3848 return (FALSE); 3849 id = get_aux_id(kbdc); 3850 /* 3851 * WinEasy 4D, 4 Way Scroll 4D: 6 3852 * Cable-Free 4D: 8 (4DPLUS) 3853 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3854 */ 3855 if (id != PSM_4DMOUSE_ID) 3856 return (FALSE); 3857 3858 sc->hw.hwid = id; 3859 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3860 3861 return (TRUE); 3862 } 3863 3864 /* A4 Tech 4D+ Mouse */ 3865 static int 3866 enable_4dplus(struct psm_softc *sc) 3867 { 3868 /* 3869 * Newer wheel mice from A4 Tech seem to use this protocol. 3870 * Older models are recognized as either 4D Mouse or IntelliMouse. 3871 */ 3872 KBDC kbdc = sc->kbdc; 3873 int id; 3874 3875 /* 3876 * enable_4dmouse() already issued the following ID sequence... 3877 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3878 int i; 3879 3880 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3881 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3882 return (FALSE); 3883 */ 3884 3885 id = get_aux_id(kbdc); 3886 switch (id) { 3887 case PSM_4DPLUS_ID: 3888 sc->hw.buttons = 4; 3889 break; 3890 case PSM_4DPLUS_RFSW35_ID: 3891 sc->hw.buttons = 3; 3892 break; 3893 default: 3894 return (FALSE); 3895 } 3896 3897 sc->hw.hwid = id; 3898 3899 return (TRUE); 3900 } 3901 3902 /* Synaptics Touchpad */ 3903 static int 3904 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 3905 { 3906 int error, arg; 3907 3908 /* Read the current value. */ 3909 arg = *(int *)oidp->oid_arg1; 3910 error = sysctl_handle_int(oidp, &arg, 0, req); 3911 3912 /* Sanity check. */ 3913 if (error || !req->newptr) 3914 return (error); 3915 3916 /* 3917 * Check that the new value is in the concerned node's range 3918 * of values. 3919 */ 3920 switch (oidp->oid_arg2) { 3921 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 3922 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 3923 if (arg < 0 || arg > 255) 3924 return (EINVAL); 3925 break; 3926 case SYNAPTICS_SYSCTL_MAX_WIDTH: 3927 if (arg < 4 || arg > 15) 3928 return (EINVAL); 3929 break; 3930 case SYNAPTICS_SYSCTL_MARGIN_TOP: 3931 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 3932 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 3933 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 3934 case SYNAPTICS_SYSCTL_NA_TOP: 3935 case SYNAPTICS_SYSCTL_NA_RIGHT: 3936 case SYNAPTICS_SYSCTL_NA_BOTTOM: 3937 case SYNAPTICS_SYSCTL_NA_LEFT: 3938 if (arg < 0 || arg > 6143) 3939 return (EINVAL); 3940 break; 3941 case SYNAPTICS_SYSCTL_WINDOW_MIN: 3942 case SYNAPTICS_SYSCTL_WINDOW_MAX: 3943 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 3944 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 3945 return (EINVAL); 3946 break; 3947 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 3948 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 3949 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 3950 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 3951 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 3952 case SYNAPTICS_SYSCTL_DIV_MIN: 3953 case SYNAPTICS_SYSCTL_DIV_MAX: 3954 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 3955 case SYNAPTICS_SYSCTL_DIV_LEN: 3956 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 3957 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 3958 if (arg < 1) 3959 return (EINVAL); 3960 break; 3961 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 3962 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 3963 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 3964 if (arg < 0) 3965 return (EINVAL); 3966 break; 3967 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 3968 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 3969 if (arg < -6143 || arg > 6143) 3970 return (EINVAL); 3971 break; 3972 default: 3973 return (EINVAL); 3974 } 3975 3976 /* Update. */ 3977 *(int *)oidp->oid_arg1 = arg; 3978 3979 return (error); 3980 } 3981 3982 static void 3983 synaptics_sysctl_create_tree(struct psm_softc *sc) 3984 { 3985 3986 if (sc->syninfo.sysctl_tree != NULL) 3987 return; 3988 3989 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 3990 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 3991 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 3992 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 3993 0, "Synaptics TouchPad"); 3994 3995 /* hw.psm.synaptics.directional_scrolls. */ 3996 sc->syninfo.directional_scrolls = 1; 3997 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 3998 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 3999 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4000 &sc->syninfo.directional_scrolls, 0, 4001 "Enable hardware scrolling pad (if non-zero) or register it as " 4002 "a middle-click (if 0)"); 4003 4004 /* hw.psm.synaptics.min_pressure. */ 4005 sc->syninfo.min_pressure = 16; 4006 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4007 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4008 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4009 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4010 synaptics_sysctl, "I", 4011 "Minimum pressure required to start an action"); 4012 4013 /* hw.psm.synaptics.max_pressure. */ 4014 sc->syninfo.max_pressure = 220; 4015 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4016 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4017 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4018 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4019 synaptics_sysctl, "I", 4020 "Maximum pressure to detect palm"); 4021 4022 /* hw.psm.synaptics.max_width. */ 4023 sc->syninfo.max_width = 10; 4024 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4025 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4026 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4027 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4028 synaptics_sysctl, "I", 4029 "Maximum finger width to detect palm"); 4030 4031 /* hw.psm.synaptics.top_margin. */ 4032 sc->syninfo.margin_top = 200; 4033 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4034 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4035 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4036 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4037 synaptics_sysctl, "I", 4038 "Top margin"); 4039 4040 /* hw.psm.synaptics.right_margin. */ 4041 sc->syninfo.margin_right = 200; 4042 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4043 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4044 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4045 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4046 synaptics_sysctl, "I", 4047 "Right margin"); 4048 4049 /* hw.psm.synaptics.bottom_margin. */ 4050 sc->syninfo.margin_bottom = 200; 4051 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4052 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4053 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4054 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4055 synaptics_sysctl, "I", 4056 "Bottom margin"); 4057 4058 /* hw.psm.synaptics.left_margin. */ 4059 sc->syninfo.margin_left = 200; 4060 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4061 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4062 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4063 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4064 synaptics_sysctl, "I", 4065 "Left margin"); 4066 4067 /* hw.psm.synaptics.na_top. */ 4068 sc->syninfo.na_top = 1783; 4069 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4070 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4071 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4072 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4073 synaptics_sysctl, "I", 4074 "Top noisy area, where weight_previous_na is used instead " 4075 "of weight_previous"); 4076 4077 /* hw.psm.synaptics.na_right. */ 4078 sc->syninfo.na_right = 563; 4079 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4080 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4081 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4082 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4083 synaptics_sysctl, "I", 4084 "Right noisy area, where weight_previous_na is used instead " 4085 "of weight_previous"); 4086 4087 /* hw.psm.synaptics.na_bottom. */ 4088 sc->syninfo.na_bottom = 1408; 4089 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4090 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4091 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4092 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4093 synaptics_sysctl, "I", 4094 "Bottom noisy area, where weight_previous_na is used instead " 4095 "of weight_previous"); 4096 4097 /* hw.psm.synaptics.na_left. */ 4098 sc->syninfo.na_left = 1600; 4099 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4100 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4101 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4102 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4103 synaptics_sysctl, "I", 4104 "Left noisy area, where weight_previous_na is used instead " 4105 "of weight_previous"); 4106 4107 /* hw.psm.synaptics.window_min. */ 4108 sc->syninfo.window_min = 4; 4109 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4110 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4111 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4112 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4113 synaptics_sysctl, "I", 4114 "Minimum window size to start an action"); 4115 4116 /* hw.psm.synaptics.window_max. */ 4117 sc->syninfo.window_max = 10; 4118 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4119 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4120 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4121 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4122 synaptics_sysctl, "I", 4123 "Maximum window size"); 4124 4125 /* hw.psm.synaptics.multiplicator. */ 4126 sc->syninfo.multiplicator = 10000; 4127 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4128 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4129 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4130 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4131 synaptics_sysctl, "I", 4132 "Multiplicator to increase precision in averages and divisions"); 4133 4134 /* hw.psm.synaptics.weight_current. */ 4135 sc->syninfo.weight_current = 3; 4136 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4137 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4138 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4139 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4140 synaptics_sysctl, "I", 4141 "Weight of the current movement in the new average"); 4142 4143 /* hw.psm.synaptics.weight_previous. */ 4144 sc->syninfo.weight_previous = 6; 4145 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4146 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4147 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4148 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4149 synaptics_sysctl, "I", 4150 "Weight of the previous average"); 4151 4152 /* hw.psm.synaptics.weight_previous_na. */ 4153 sc->syninfo.weight_previous_na = 20; 4154 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4155 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4156 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4157 &sc->syninfo.weight_previous_na, 4158 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4159 synaptics_sysctl, "I", 4160 "Weight of the previous average (inside the noisy area)"); 4161 4162 /* hw.psm.synaptics.weight_len_squared. */ 4163 sc->syninfo.weight_len_squared = 2000; 4164 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4165 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4166 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4167 &sc->syninfo.weight_len_squared, 4168 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4169 synaptics_sysctl, "I", 4170 "Length (squared) of segments where weight_previous " 4171 "starts to decrease"); 4172 4173 /* hw.psm.synaptics.div_min. */ 4174 sc->syninfo.div_min = 9; 4175 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4176 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4177 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4178 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4179 synaptics_sysctl, "I", 4180 "Divisor for fast movements"); 4181 4182 /* hw.psm.synaptics.div_max. */ 4183 sc->syninfo.div_max = 17; 4184 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4185 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4186 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4187 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4188 synaptics_sysctl, "I", 4189 "Divisor for slow movements"); 4190 4191 /* hw.psm.synaptics.div_max_na. */ 4192 sc->syninfo.div_max_na = 30; 4193 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4194 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4195 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4196 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4197 synaptics_sysctl, "I", 4198 "Divisor with slow movements (inside the noisy area)"); 4199 4200 /* hw.psm.synaptics.div_len. */ 4201 sc->syninfo.div_len = 100; 4202 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4203 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4204 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4205 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4206 synaptics_sysctl, "I", 4207 "Length of segments where div_max starts to decrease"); 4208 4209 /* hw.psm.synaptics.tap_max_delta. */ 4210 sc->syninfo.tap_max_delta = 80; 4211 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4212 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4213 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4214 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4215 synaptics_sysctl, "I", 4216 "Length of segments above which a tap is ignored"); 4217 4218 /* hw.psm.synaptics.tap_min_queue. */ 4219 sc->syninfo.tap_min_queue = 2; 4220 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4221 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4222 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4223 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4224 synaptics_sysctl, "I", 4225 "Number of packets required to consider a tap"); 4226 4227 /* hw.psm.synaptics.taphold_timeout. */ 4228 sc->synaction.in_taphold = 0; 4229 sc->syninfo.taphold_timeout = tap_timeout; 4230 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4231 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4232 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4233 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4234 synaptics_sysctl, "I", 4235 "Maximum elapsed time between two taps to consider a tap-hold " 4236 "action"); 4237 4238 /* hw.psm.synaptics.vscroll_hor_area. */ 4239 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4240 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4241 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4242 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4243 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4244 synaptics_sysctl, "I", 4245 "Area reserved for horizontal virtual scrolling"); 4246 4247 /* hw.psm.synaptics.vscroll_ver_area. */ 4248 sc->syninfo.vscroll_ver_area = -600; 4249 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4250 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4251 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4252 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4253 synaptics_sysctl, "I", 4254 "Area reserved for vertical virtual scrolling"); 4255 4256 /* hw.psm.synaptics.vscroll_min_delta. */ 4257 sc->syninfo.vscroll_min_delta = 50; 4258 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4259 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4260 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4261 &sc->syninfo.vscroll_min_delta, 4262 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4263 synaptics_sysctl, "I", 4264 "Minimum movement to consider virtual scrolling"); 4265 4266 /* hw.psm.synaptics.vscroll_div_min. */ 4267 sc->syninfo.vscroll_div_min = 100; 4268 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4269 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4270 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4271 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4272 synaptics_sysctl, "I", 4273 "Divisor for fast scrolling"); 4274 4275 /* hw.psm.synaptics.vscroll_div_min. */ 4276 sc->syninfo.vscroll_div_max = 150; 4277 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4278 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4279 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4280 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4281 synaptics_sysctl, "I", 4282 "Divisor for slow scrolling"); 4283 } 4284 4285 static int 4286 enable_synaptics(struct psm_softc *sc) 4287 { 4288 int status[3]; 4289 KBDC kbdc; 4290 4291 if (!synaptics_support) 4292 return (FALSE); 4293 4294 kbdc = sc->kbdc; 4295 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4296 sc->hw.buttons = 3; 4297 sc->squelch = 0; 4298 4299 /* 4300 * Just to be on the safe side: this avoids troubles with 4301 * following mouse_ext_command() when the previous command 4302 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4303 * Synaptics Touchpad behaviour. 4304 */ 4305 set_mouse_scaling(kbdc, 1); 4306 4307 /* Identify the Touchpad version. */ 4308 if (mouse_ext_command(kbdc, 0) == 0) 4309 return (FALSE); 4310 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4311 return (FALSE); 4312 if (status[1] != 0x47) 4313 return (FALSE); 4314 4315 sc->synhw.infoMinor = status[0]; 4316 sc->synhw.infoMajor = status[2] & 0x0f; 4317 4318 if (verbose >= 2) 4319 printf("Synaptics Touchpad v%d.%d\n", sc->synhw.infoMajor, 4320 sc->synhw.infoMinor); 4321 4322 if (sc->synhw.infoMajor < 4) { 4323 printf(" Unsupported (pre-v4) Touchpad detected\n"); 4324 return (FALSE); 4325 } 4326 4327 /* Get the Touchpad model information. */ 4328 if (mouse_ext_command(kbdc, 3) == 0) 4329 return (FALSE); 4330 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4331 return (FALSE); 4332 if ((status[1] & 0x01) != 0) { 4333 printf(" Failed to read model information\n"); 4334 return (FALSE); 4335 } 4336 4337 sc->synhw.infoRot180 = (status[0] & 0x80) >> 7; 4338 sc->synhw.infoPortrait = (status[0] & 0x40) >> 6; 4339 sc->synhw.infoSensor = status[0] & 0x3f; 4340 sc->synhw.infoHardware = (status[1] & 0xfe) >> 1; 4341 sc->synhw.infoNewAbs = (status[2] & 0x80) >> 7; 4342 sc->synhw.capPen = (status[2] & 0x40) >> 6; 4343 sc->synhw.infoSimplC = (status[2] & 0x20) >> 5; 4344 sc->synhw.infoGeometry = status[2] & 0x0f; 4345 4346 if (verbose >= 2) { 4347 printf(" Model information:\n"); 4348 printf(" infoRot180: %d\n", sc->synhw.infoRot180); 4349 printf(" infoPortrait: %d\n", sc->synhw.infoPortrait); 4350 printf(" infoSensor: %d\n", sc->synhw.infoSensor); 4351 printf(" infoHardware: %d\n", sc->synhw.infoHardware); 4352 printf(" infoNewAbs: %d\n", sc->synhw.infoNewAbs); 4353 printf(" capPen: %d\n", sc->synhw.capPen); 4354 printf(" infoSimplC: %d\n", sc->synhw.infoSimplC); 4355 printf(" infoGeometry: %d\n", sc->synhw.infoGeometry); 4356 } 4357 4358 /* Read the extended capability bits. */ 4359 if (mouse_ext_command(kbdc, 2) == 0) 4360 return (FALSE); 4361 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4362 return (FALSE); 4363 if (status[1] != 0x47) { 4364 printf(" Failed to read extended capability bits\n"); 4365 return (FALSE); 4366 } 4367 4368 /* Set the different capabilities when they exist. */ 4369 if ((status[0] & 0x80) >> 7) { 4370 sc->synhw.capExtended = (status[0] & 0x80) >> 7; 4371 sc->synhw.capPassthrough = (status[2] & 0x80) >> 7; 4372 sc->synhw.capSleep = (status[2] & 0x10) >> 4; 4373 sc->synhw.capFourButtons = (status[2] & 0x08) >> 3; 4374 sc->synhw.capMultiFinger = (status[2] & 0x02) >> 1; 4375 sc->synhw.capPalmDetect = (status[2] & 0x01); 4376 4377 if (verbose >= 2) { 4378 printf(" Extended capabilities:\n"); 4379 printf(" capExtended: %d\n", sc->synhw.capExtended); 4380 printf(" capPassthrough: %d\n", 4381 sc->synhw.capPassthrough); 4382 printf(" capSleep: %d\n", sc->synhw.capSleep); 4383 printf(" capFourButtons: %d\n", 4384 sc->synhw.capFourButtons); 4385 printf(" capMultiFinger: %d\n", 4386 sc->synhw.capMultiFinger); 4387 printf(" capPalmDetect: %d\n", 4388 sc->synhw.capPalmDetect); 4389 } 4390 4391 /* 4392 * If we have bits set in status[0] & 0x70, then we can load 4393 * more information about buttons using query 0x09. 4394 */ 4395 if (status[0] & 0x70) { 4396 if (mouse_ext_command(kbdc, 0x09) == 0) 4397 return (FALSE); 4398 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4399 return (FALSE); 4400 sc->hw.buttons = ((status[1] & 0xf0) >> 4) + 3; 4401 if (verbose >= 2) 4402 printf(" Additional Buttons: %d\n", 4403 sc->hw.buttons -3); 4404 } 4405 } else { 4406 sc->synhw.capExtended = 0; 4407 4408 if (verbose >= 2) 4409 printf(" No extended capabilities\n"); 4410 } 4411 4412 /* 4413 * Read the mode byte. 4414 * 4415 * XXX: Note the Synaptics documentation also defines the first 4416 * byte of the response to this query to be a constant 0x3b, this 4417 * does not appear to be true for Touchpads with guest devices. 4418 */ 4419 if (mouse_ext_command(kbdc, 1) == 0) 4420 return (FALSE); 4421 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4422 return (FALSE); 4423 if (status[1] != 0x47) { 4424 printf(" Failed to read mode byte\n"); 4425 return (FALSE); 4426 } 4427 4428 /* Set the mode byte; request wmode where available. */ 4429 if (sc->synhw.capExtended) 4430 mouse_ext_command(kbdc, 0xc1); 4431 else 4432 mouse_ext_command(kbdc, 0xc0); 4433 4434 /* "Commit" the Set Mode Byte command sent above. */ 4435 set_mouse_sampling_rate(kbdc, 20); 4436 4437 /* 4438 * Report the correct number of buttons 4439 * 4440 * XXX: I'm not sure this is used anywhere. 4441 */ 4442 if (sc->synhw.capExtended && sc->synhw.capFourButtons) 4443 sc->hw.buttons = 4; 4444 4445 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", 4446 sc->hw.buttons)); 4447 4448 /* Create sysctl tree. */ 4449 synaptics_sysctl_create_tree(sc); 4450 4451 /* 4452 * The touchpad will have to be reinitialized after 4453 * suspend/resume. 4454 */ 4455 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4456 4457 return (TRUE); 4458 } 4459 4460 /* Interlink electronics VersaPad */ 4461 static int 4462 enable_versapad(struct psm_softc *sc) 4463 { 4464 KBDC kbdc = sc->kbdc; 4465 int data[3]; 4466 4467 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 4468 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 4469 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4470 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4471 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4472 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4473 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 4474 return (FALSE); 4475 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 4476 return (FALSE); 4477 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4478 4479 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4480 4481 return (TRUE); /* PS/2 absolute mode */ 4482 } 4483 4484 /* 4485 * Return true if 'now' is earlier than (start + (secs.usecs)). 4486 * Now may be NULL and the function will fetch the current time from 4487 * getmicrouptime(), or a cached 'now' can be passed in. 4488 * All values should be numbers derived from getmicrouptime(). 4489 */ 4490 static int 4491 timeelapsed(start, secs, usecs, now) 4492 const struct timeval *start, *now; 4493 int secs, usecs; 4494 { 4495 struct timeval snow, tv; 4496 4497 /* if there is no 'now' passed in, the get it as a convience. */ 4498 if (now == NULL) { 4499 getmicrouptime(&snow); 4500 now = &snow; 4501 } 4502 4503 tv.tv_sec = secs; 4504 tv.tv_usec = usecs; 4505 timevaladd(&tv, start); 4506 return (timevalcmp(&tv, now, <)); 4507 } 4508 4509 static int 4510 psmresume(device_t dev) 4511 { 4512 struct psm_softc *sc = device_get_softc(dev); 4513 int unit = device_get_unit(dev); 4514 int err; 4515 4516 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 4517 4518 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 4519 return (0); 4520 4521 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 4522 4523 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 4524 /* 4525 * Release the blocked process; it must be notified that 4526 * the device cannot be accessed anymore. 4527 */ 4528 sc->state &= ~PSM_ASLP; 4529 wakeup(sc); 4530 } 4531 4532 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 4533 4534 return (err); 4535 } 4536 4537 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 4538 4539 #ifdef DEV_ISA 4540 4541 /* 4542 * This sucks up assignments from PNPBIOS and ACPI. 4543 */ 4544 4545 /* 4546 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 4547 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 4548 * can be probed and attached only after the AT keyboard controller is 4549 * attached, we shall quietly reserve the IRQ resource for later use. 4550 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 4551 * copy the IRQ resource to the PS/2 mouse device instance hanging 4552 * under the keyboard controller, then probe and attach it. 4553 */ 4554 4555 static devclass_t psmcpnp_devclass; 4556 4557 static device_probe_t psmcpnp_probe; 4558 static device_attach_t psmcpnp_attach; 4559 4560 static device_method_t psmcpnp_methods[] = { 4561 DEVMETHOD(device_probe, psmcpnp_probe), 4562 DEVMETHOD(device_attach, psmcpnp_attach), 4563 4564 { 0, 0 } 4565 }; 4566 4567 static driver_t psmcpnp_driver = { 4568 PSMCPNP_DRIVER_NAME, 4569 psmcpnp_methods, 4570 1, /* no softc */ 4571 }; 4572 4573 static struct isa_pnp_id psmcpnp_ids[] = { 4574 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 4575 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 4576 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 4577 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 4578 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 4579 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 4580 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 4581 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 4582 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 4583 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 4584 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 4585 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 4586 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 4587 { 0 } 4588 }; 4589 4590 static int 4591 create_a_copy(device_t atkbdc, device_t me) 4592 { 4593 device_t psm; 4594 u_long irq; 4595 4596 /* find the PS/2 mouse device instance under the keyboard controller */ 4597 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 4598 device_get_unit(atkbdc)); 4599 if (psm == NULL) 4600 return (ENXIO); 4601 if (device_get_state(psm) != DS_NOTPRESENT) 4602 return (0); 4603 4604 /* move our resource to the found device */ 4605 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 4606 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 4607 4608 /* ...then probe and attach it */ 4609 return (device_probe_and_attach(psm)); 4610 } 4611 4612 static int 4613 psmcpnp_probe(device_t dev) 4614 { 4615 struct resource *res; 4616 u_long irq; 4617 int rid; 4618 4619 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 4620 return (ENXIO); 4621 4622 /* 4623 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 4624 * to the PS/2 mouse device node. But, some buggy PnP BIOS 4625 * declares the PS/2 mouse device node without an IRQ resource! 4626 * If this happens, we shall refer to device hints. 4627 * If we still don't find it there, use a hardcoded value... XXX 4628 */ 4629 rid = 0; 4630 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 4631 if (irq <= 0) { 4632 if (resource_long_value(PSM_DRIVER_NAME, 4633 device_get_unit(dev),"irq", &irq) != 0) 4634 irq = 12; /* XXX */ 4635 device_printf(dev, "irq resource info is missing; " 4636 "assuming irq %ld\n", irq); 4637 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 4638 } 4639 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4640 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 4641 4642 /* keep quiet */ 4643 if (!bootverbose) 4644 device_quiet(dev); 4645 4646 return ((res == NULL) ? ENXIO : 0); 4647 } 4648 4649 static int 4650 psmcpnp_attach(device_t dev) 4651 { 4652 device_t atkbdc; 4653 int rid; 4654 4655 /* find the keyboard controller, which may be on acpi* or isa* bus */ 4656 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 4657 device_get_unit(dev)); 4658 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 4659 create_a_copy(atkbdc, dev); 4660 else { 4661 /* 4662 * If we don't have the AT keyboard controller yet, 4663 * just reserve the IRQ for later use... 4664 * (See psmidentify() above.) 4665 */ 4666 rid = 0; 4667 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4668 } 4669 4670 return (0); 4671 } 4672 4673 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 4674 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 4675 4676 #endif /* DEV_ISA */ 4677