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 /* ring buffer */ 147 typedef struct ringbuf { 148 int count; /* # of valid elements in the buffer */ 149 int head; /* head pointer */ 150 int tail; /* tail poiner */ 151 u_char buf[PSM_BUFSIZE]; 152 } ringbuf_t; 153 154 /* data buffer */ 155 typedef struct packetbuf { 156 u_char ipacket[16]; /* interim input buffer */ 157 int inputbytes; /* # of bytes in the input buffer */ 158 } packetbuf_t; 159 160 #ifndef PSM_PACKETQUEUE 161 #define PSM_PACKETQUEUE 128 162 #endif 163 164 enum { 165 SYNAPTICS_SYSCTL_MIN_PRESSURE, 166 SYNAPTICS_SYSCTL_MAX_PRESSURE, 167 SYNAPTICS_SYSCTL_MAX_WIDTH, 168 SYNAPTICS_SYSCTL_MARGIN_TOP, 169 SYNAPTICS_SYSCTL_MARGIN_RIGHT, 170 SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 171 SYNAPTICS_SYSCTL_MARGIN_LEFT, 172 SYNAPTICS_SYSCTL_NA_TOP, 173 SYNAPTICS_SYSCTL_NA_RIGHT, 174 SYNAPTICS_SYSCTL_NA_BOTTOM, 175 SYNAPTICS_SYSCTL_NA_LEFT, 176 SYNAPTICS_SYSCTL_WINDOW_MIN, 177 SYNAPTICS_SYSCTL_WINDOW_MAX, 178 SYNAPTICS_SYSCTL_MULTIPLICATOR, 179 SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 180 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 181 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 182 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 183 SYNAPTICS_SYSCTL_DIV_MIN, 184 SYNAPTICS_SYSCTL_DIV_MAX, 185 SYNAPTICS_SYSCTL_DIV_MAX_NA, 186 SYNAPTICS_SYSCTL_DIV_LEN, 187 SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 188 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 189 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 190 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 191 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 192 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 193 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 194 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX 195 }; 196 197 typedef struct synapticsinfo { 198 struct sysctl_ctx_list sysctl_ctx; 199 struct sysctl_oid *sysctl_tree; 200 int directional_scrolls; 201 int min_pressure; 202 int max_pressure; 203 int max_width; 204 int margin_top; 205 int margin_right; 206 int margin_bottom; 207 int margin_left; 208 int na_top; 209 int na_right; 210 int na_bottom; 211 int na_left; 212 int window_min; 213 int window_max; 214 int multiplicator; 215 int weight_current; 216 int weight_previous; 217 int weight_previous_na; 218 int weight_len_squared; 219 int div_min; 220 int div_max; 221 int div_max_na; 222 int div_len; 223 int tap_max_delta; 224 int tap_min_queue; 225 int taphold_timeout; 226 int vscroll_ver_area; 227 int vscroll_hor_area; 228 int vscroll_min_delta; 229 int vscroll_div_min; 230 int vscroll_div_max; 231 } synapticsinfo_t; 232 233 typedef struct synapticspacket { 234 int x; 235 int y; 236 } synapticspacket_t; 237 238 #define SYNAPTICS_PACKETQUEUE 10 239 #define SYNAPTICS_QUEUE_CURSOR(x) \ 240 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 241 242 typedef struct synapticsaction { 243 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 244 int queue_len; 245 int queue_cursor; 246 int window_min; 247 int start_x; 248 int start_y; 249 int avg_dx; 250 int avg_dy; 251 int squelch_x; 252 int squelch_y; 253 int fingers_nb; 254 int tap_button; 255 int in_taphold; 256 int in_vscroll; 257 } synapticsaction_t; 258 259 /* driver control block */ 260 struct psm_softc { /* Driver status information */ 261 int unit; 262 struct selinfo rsel; /* Process selecting for Input */ 263 u_char state; /* Mouse driver state */ 264 int config; /* driver configuration flags */ 265 int flags; /* other flags */ 266 KBDC kbdc; /* handle to access kbd controller */ 267 struct resource *intr; /* IRQ resource */ 268 void *ih; /* interrupt handle */ 269 mousehw_t hw; /* hardware information */ 270 synapticshw_t synhw; /* Synaptics hardware information */ 271 synapticsinfo_t syninfo; /* Synaptics configuration */ 272 synapticsaction_t synaction; /* Synaptics action context */ 273 mousemode_t mode; /* operation mode */ 274 mousemode_t dflt_mode; /* default operation mode */ 275 mousestatus_t status; /* accumulated mouse movement */ 276 ringbuf_t queue; /* mouse status queue */ 277 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 278 int pqueue_start; /* start of data in queue */ 279 int pqueue_end; /* end of data in queue */ 280 int button; /* the latest button state */ 281 int xold; /* previous absolute X position */ 282 int yold; /* previous absolute Y position */ 283 int xaverage; /* average X position */ 284 int yaverage; /* average Y position */ 285 int squelch; /* level to filter movement at low speed */ 286 int zmax; /* maximum pressure value for touchpads */ 287 int syncerrors; /* # of bytes discarded to synchronize */ 288 int pkterrors; /* # of packets failed during quaranteen. */ 289 struct timeval inputtimeout; 290 struct timeval lastsoftintr; /* time of last soft interrupt */ 291 struct timeval lastinputerr; /* time last sync error happened */ 292 struct timeval taptimeout; /* tap timeout for touchpads */ 293 int watchdog; /* watchdog timer flag */ 294 struct callout callout; /* watchdog timer call out */ 295 struct callout softcallout; /* buffer timer call out */ 296 struct cdev *dev; 297 struct cdev *bdev; 298 int lasterr; 299 int cmdcount; 300 struct sigio *async; /* Processes waiting for SIGIO */ 301 }; 302 static devclass_t psm_devclass; 303 304 /* driver state flags (state) */ 305 #define PSM_VALID 0x80 306 #define PSM_OPEN 1 /* Device is open */ 307 #define PSM_ASLP 2 /* Waiting for mouse data */ 308 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 309 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 310 311 /* driver configuration flags (config) */ 312 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 313 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 314 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 315 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 316 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 317 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 318 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 319 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 320 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 321 322 #define PSM_CONFIG_FLAGS \ 323 (PSM_CONFIG_RESOLUTION | \ 324 PSM_CONFIG_ACCEL | \ 325 PSM_CONFIG_NOCHECKSYNC | \ 326 PSM_CONFIG_NOIDPROBE | \ 327 PSM_CONFIG_NORESET | \ 328 PSM_CONFIG_FORCETAP | \ 329 PSM_CONFIG_IGNPORTERROR | \ 330 PSM_CONFIG_HOOKRESUME | \ 331 PSM_CONFIG_INITAFTERSUSPEND) 332 333 /* other flags (flags) */ 334 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 335 336 /* Tunables */ 337 static int tap_enabled = -1; 338 TUNABLE_INT("hw.psm.tap_enabled", &tap_enabled); 339 340 static int synaptics_support = 0; 341 TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 342 343 static int verbose = PSM_DEBUG; 344 TUNABLE_INT("debug.psm.loglevel", &verbose); 345 346 /* for backward compatibility */ 347 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 348 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 349 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 350 351 typedef struct old_mousehw { 352 int buttons; 353 int iftype; 354 int type; 355 int hwid; 356 } old_mousehw_t; 357 358 typedef struct old_mousemode { 359 int protocol; 360 int rate; 361 int resolution; 362 int accelfactor; 363 } old_mousemode_t; 364 365 /* packet formatting function */ 366 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 367 mousestatus_t *); 368 369 /* function prototypes */ 370 static void psmidentify(driver_t *, device_t); 371 static int psmprobe(device_t); 372 static int psmattach(device_t); 373 static int psmdetach(device_t); 374 static int psmresume(device_t); 375 376 static d_open_t psmopen; 377 static d_close_t psmclose; 378 static d_read_t psmread; 379 static d_write_t psmwrite; 380 static d_ioctl_t psmioctl; 381 static d_poll_t psmpoll; 382 383 static int enable_aux_dev(KBDC); 384 static int disable_aux_dev(KBDC); 385 static int get_mouse_status(KBDC, int *, int, int); 386 static int get_aux_id(KBDC); 387 static int set_mouse_sampling_rate(KBDC, int); 388 static int set_mouse_scaling(KBDC, int); 389 static int set_mouse_resolution(KBDC, int); 390 static int set_mouse_mode(KBDC); 391 static int get_mouse_buttons(KBDC); 392 static int is_a_mouse(int); 393 static void recover_from_error(KBDC); 394 static int restore_controller(KBDC, int); 395 static int doinitialize(struct psm_softc *, mousemode_t *); 396 static int doopen(struct psm_softc *, int); 397 static int reinitialize(struct psm_softc *, int); 398 static char *model_name(int); 399 static void psmsoftintr(void *); 400 static void psmintr(void *); 401 static void psmtimeout(void *); 402 static int timeelapsed(const struct timeval *, int, int, 403 const struct timeval *); 404 static void dropqueue(struct psm_softc *); 405 static void flushpackets(struct psm_softc *); 406 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 407 mousestatus_t *, int *, int *, int *); 408 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 409 mousestatus_t *, int *, int *, int *); 410 static void proc_versapad(struct psm_softc *, packetbuf_t *, 411 mousestatus_t *, int *, int *, int *); 412 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 413 u_char *); 414 415 /* vendor specific features */ 416 typedef int probefunc_t(KBDC, struct psm_softc *); 417 418 static int mouse_id_proc1(KBDC, int, int, int *); 419 static int mouse_ext_command(KBDC, int); 420 421 static probefunc_t enable_groller; 422 static probefunc_t enable_gmouse; 423 static probefunc_t enable_aglide; 424 static probefunc_t enable_kmouse; 425 static probefunc_t enable_msexplorer; 426 static probefunc_t enable_msintelli; 427 static probefunc_t enable_4dmouse; 428 static probefunc_t enable_4dplus; 429 static probefunc_t enable_mmanplus; 430 static probefunc_t enable_synaptics; 431 static probefunc_t enable_versapad; 432 433 static struct { 434 int model; 435 u_char syncmask; 436 int packetsize; 437 probefunc_t *probefunc; 438 } vendortype[] = { 439 /* 440 * WARNING: the order of probe is very important. Don't mess it 441 * unless you know what you are doing. 442 */ 443 { MOUSE_MODEL_NET, /* Genius NetMouse */ 444 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 445 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 446 0xc8, 6, enable_groller }, 447 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 448 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 449 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 450 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 451 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 452 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 453 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 454 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 455 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 456 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 457 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 458 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 459 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 460 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 461 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 462 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 463 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 464 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 465 { MOUSE_MODEL_GENERIC, 466 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 467 }; 468 #define GENERIC_MOUSE_ENTRY \ 469 ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 470 471 /* device driver declarateion */ 472 static device_method_t psm_methods[] = { 473 /* Device interface */ 474 DEVMETHOD(device_identify, psmidentify), 475 DEVMETHOD(device_probe, psmprobe), 476 DEVMETHOD(device_attach, psmattach), 477 DEVMETHOD(device_detach, psmdetach), 478 DEVMETHOD(device_resume, psmresume), 479 480 { 0, 0 } 481 }; 482 483 static driver_t psm_driver = { 484 PSM_DRIVER_NAME, 485 psm_methods, 486 sizeof(struct psm_softc), 487 }; 488 489 static struct cdevsw psm_cdevsw = { 490 .d_version = D_VERSION, 491 .d_flags = D_NEEDGIANT, 492 .d_open = psmopen, 493 .d_close = psmclose, 494 .d_read = psmread, 495 .d_write = psmwrite, 496 .d_ioctl = psmioctl, 497 .d_poll = psmpoll, 498 .d_name = PSM_DRIVER_NAME, 499 }; 500 501 /* device I/O routines */ 502 static int 503 enable_aux_dev(KBDC kbdc) 504 { 505 int res; 506 507 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 508 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 509 510 return (res == PSM_ACK); 511 } 512 513 static int 514 disable_aux_dev(KBDC kbdc) 515 { 516 int res; 517 518 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 519 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 520 521 return (res == PSM_ACK); 522 } 523 524 static int 525 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 526 { 527 int cmd; 528 int res; 529 int i; 530 531 switch (flag) { 532 case 0: 533 default: 534 cmd = PSMC_SEND_DEV_STATUS; 535 break; 536 case 1: 537 cmd = PSMC_SEND_DEV_DATA; 538 break; 539 } 540 empty_aux_buffer(kbdc, 5); 541 res = send_aux_command(kbdc, cmd); 542 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 543 (flag == 1) ? "DATA" : "STATUS", res)); 544 if (res != PSM_ACK) 545 return (0); 546 547 for (i = 0; i < len; ++i) { 548 status[i] = read_aux_data(kbdc); 549 if (status[i] < 0) 550 break; 551 } 552 553 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 554 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 555 556 return (i); 557 } 558 559 static int 560 get_aux_id(KBDC kbdc) 561 { 562 int res; 563 int id; 564 565 empty_aux_buffer(kbdc, 5); 566 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 567 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 568 if (res != PSM_ACK) 569 return (-1); 570 571 /* 10ms delay */ 572 DELAY(10000); 573 574 id = read_aux_data(kbdc); 575 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 576 577 return (id); 578 } 579 580 static int 581 set_mouse_sampling_rate(KBDC kbdc, int rate) 582 { 583 int res; 584 585 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 586 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 587 588 return ((res == PSM_ACK) ? rate : -1); 589 } 590 591 static int 592 set_mouse_scaling(KBDC kbdc, int scale) 593 { 594 int res; 595 596 switch (scale) { 597 case 1: 598 default: 599 scale = PSMC_SET_SCALING11; 600 break; 601 case 2: 602 scale = PSMC_SET_SCALING21; 603 break; 604 } 605 res = send_aux_command(kbdc, scale); 606 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 607 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 608 609 return (res == PSM_ACK); 610 } 611 612 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 613 static int 614 set_mouse_resolution(KBDC kbdc, int val) 615 { 616 int res; 617 618 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 619 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 620 621 return ((res == PSM_ACK) ? val : -1); 622 } 623 624 /* 625 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 626 * re-enabled by calling `enable_aux_dev()' 627 */ 628 static int 629 set_mouse_mode(KBDC kbdc) 630 { 631 int res; 632 633 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 634 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 635 636 return (res == PSM_ACK); 637 } 638 639 static int 640 get_mouse_buttons(KBDC kbdc) 641 { 642 int c = 2; /* assume two buttons by default */ 643 int status[3]; 644 645 /* 646 * NOTE: a special sequence to obtain Logitech Mouse specific 647 * information: set resolution to 25 ppi, set scaling to 1:1, set 648 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 649 * mouse status bytes is the number of available buttons. 650 * Some manufactures also support this sequence. 651 */ 652 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 653 return (c); 654 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 655 set_mouse_scaling(kbdc, 1) && 656 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 657 return (status[1]); 658 return (c); 659 } 660 661 /* misc subroutines */ 662 /* 663 * Someday, I will get the complete list of valid pointing devices and 664 * their IDs... XXX 665 */ 666 static int 667 is_a_mouse(int id) 668 { 669 #if 0 670 static int valid_ids[] = { 671 PSM_MOUSE_ID, /* mouse */ 672 PSM_BALLPOINT_ID, /* ballpoint device */ 673 PSM_INTELLI_ID, /* Intellimouse */ 674 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 675 -1 /* end of table */ 676 }; 677 int i; 678 679 for (i = 0; valid_ids[i] >= 0; ++i) 680 if (valid_ids[i] == id) 681 return (TRUE); 682 return (FALSE); 683 #else 684 return (TRUE); 685 #endif 686 } 687 688 static char * 689 model_name(int model) 690 { 691 static struct { 692 int model_code; 693 char *model_name; 694 } models[] = { 695 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 696 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 697 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 698 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 699 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 700 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 701 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 702 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 703 { MOUSE_MODEL_4D, "4D Mouse" }, 704 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 705 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 706 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 707 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 708 }; 709 int i; 710 711 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 712 if (models[i].model_code == model) 713 break; 714 return (models[i].model_name); 715 } 716 717 static void 718 recover_from_error(KBDC kbdc) 719 { 720 /* discard anything left in the output buffer */ 721 empty_both_buffers(kbdc, 10); 722 723 #if 0 724 /* 725 * NOTE: KBDC_RESET_KBD may not restore the communication between the 726 * keyboard and the controller. 727 */ 728 reset_kbd(kbdc); 729 #else 730 /* 731 * NOTE: somehow diagnostic and keyboard port test commands bring the 732 * keyboard back. 733 */ 734 if (!test_controller(kbdc)) 735 log(LOG_ERR, "psm: keyboard controller failed.\n"); 736 /* if there isn't a keyboard in the system, the following error is OK */ 737 if (test_kbd_port(kbdc) != 0) 738 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 739 #endif 740 } 741 742 static int 743 restore_controller(KBDC kbdc, int command_byte) 744 { 745 empty_both_buffers(kbdc, 10); 746 747 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 748 log(LOG_ERR, "psm: failed to restore the keyboard controller " 749 "command byte.\n"); 750 empty_both_buffers(kbdc, 10); 751 return (FALSE); 752 } else { 753 empty_both_buffers(kbdc, 10); 754 return (TRUE); 755 } 756 } 757 758 /* 759 * Re-initialize the aux port and device. The aux port must be enabled 760 * and its interrupt must be disabled before calling this routine. 761 * The aux device will be disabled before returning. 762 * The keyboard controller must be locked via `kbdc_lock()' before 763 * calling this routine. 764 */ 765 static int 766 doinitialize(struct psm_softc *sc, mousemode_t *mode) 767 { 768 KBDC kbdc = sc->kbdc; 769 int stat[3]; 770 int i; 771 772 switch((i = test_aux_port(kbdc))) { 773 case 1: /* ignore these errors */ 774 case 2: 775 case 3: 776 case PSM_ACK: 777 if (verbose) 778 log(LOG_DEBUG, 779 "psm%d: strange result for test aux port (%d).\n", 780 sc->unit, i); 781 /* FALLTHROUGH */ 782 case 0: /* no error */ 783 break; 784 case -1: /* time out */ 785 default: /* error */ 786 recover_from_error(kbdc); 787 if (sc->config & PSM_CONFIG_IGNPORTERROR) 788 break; 789 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 790 sc->unit, i); 791 return (FALSE); 792 } 793 794 if (sc->config & PSM_CONFIG_NORESET) { 795 /* 796 * Don't try to reset the pointing device. It may possibly 797 * be left in the unknown state, though... 798 */ 799 } else { 800 /* 801 * NOTE: some controllers appears to hang the `keyboard' when 802 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 803 */ 804 if (!reset_aux_dev(kbdc)) { 805 recover_from_error(kbdc); 806 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 807 sc->unit); 808 return (FALSE); 809 } 810 } 811 812 /* 813 * both the aux port and the aux device is functioning, see 814 * if the device can be enabled. 815 */ 816 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 817 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 818 sc->unit); 819 return (FALSE); 820 } 821 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 822 823 /* Re-enable the mouse. */ 824 for (i = 0; vendortype[i].probefunc != NULL; ++i) 825 if (vendortype[i].model == sc->hw.model) 826 (*vendortype[i].probefunc)(sc->kbdc, NULL); 827 828 /* set mouse parameters */ 829 if (mode != (mousemode_t *)NULL) { 830 if (mode->rate > 0) 831 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 832 if (mode->resolution >= 0) 833 mode->resolution = 834 set_mouse_resolution(kbdc, mode->resolution); 835 set_mouse_scaling(kbdc, 1); 836 set_mouse_mode(kbdc); 837 } 838 839 /* Record sync on the next data packet we see. */ 840 sc->flags |= PSM_NEED_SYNCBITS; 841 842 /* just check the status of the mouse */ 843 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 844 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 845 sc->unit); 846 847 return (TRUE); 848 } 849 850 static int 851 doopen(struct psm_softc *sc, int command_byte) 852 { 853 int stat[3]; 854 855 /* 856 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 857 * no obvious reason. Thus we check the current mode and restore the 858 * Absolute Mode if it was cleared. 859 * 860 * The previous hack at the end of psmprobe() wasn't efficient when 861 * moused(8) was restarted. 862 * 863 * A Reset (FF) or Set Defaults (F6) command would clear the 864 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 865 * doesn't show any evidence of such a command. 866 */ 867 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 868 mouse_ext_command(sc->kbdc, 1); 869 get_mouse_status(sc->kbdc, stat, 0, 3); 870 if (stat[1] == 0x47 && stat[2] == 0x40) { 871 /* Set the mode byte -- request wmode where 872 * available */ 873 if (sc->synhw.capExtended) 874 mouse_ext_command(sc->kbdc, 0xc1); 875 else 876 mouse_ext_command(sc->kbdc, 0xc0); 877 set_mouse_sampling_rate(sc->kbdc, 20); 878 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 879 "hopefully restored\n", 880 sc->unit)); 881 } 882 } 883 884 /* 885 * A user may want to disable tap and drag gestures on a Synaptics 886 * TouchPad when it operates in Relative Mode. 887 */ 888 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 889 if (tap_enabled > 0) { 890 /* 891 * Enable tap & drag gestures. We use a Mode Byte 892 * and clear the DisGest bit (see §2.5 of Synaptics 893 * TouchPad Interfacing Guide). 894 */ 895 VLOG(2, (LOG_DEBUG, 896 "psm%d: enable tap and drag gestures\n", 897 sc->unit)); 898 mouse_ext_command(sc->kbdc, 0x00); 899 set_mouse_sampling_rate(sc->kbdc, 20); 900 } else if (tap_enabled == 0) { 901 /* 902 * Disable tap & drag gestures. We use a Mode Byte 903 * and set the DisGest bit (see §2.5 of Synaptics 904 * TouchPad Interfacing Guide). 905 */ 906 VLOG(2, (LOG_DEBUG, 907 "psm%d: disable tap and drag gestures\n", 908 sc->unit)); 909 mouse_ext_command(sc->kbdc, 0x04); 910 set_mouse_sampling_rate(sc->kbdc, 20); 911 } 912 } 913 914 /* enable the mouse device */ 915 if (!enable_aux_dev(sc->kbdc)) { 916 /* MOUSE ERROR: failed to enable the mouse because: 917 * 1) the mouse is faulty, 918 * 2) the mouse has been removed(!?) 919 * In the latter case, the keyboard may have hung, and need 920 * recovery procedure... 921 */ 922 recover_from_error(sc->kbdc); 923 #if 0 924 /* FIXME: we could reset the mouse here and try to enable 925 * it again. But it will take long time and it's not a good 926 * idea to disable the keyboard that long... 927 */ 928 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 929 recover_from_error(sc->kbdc); 930 #else 931 { 932 #endif 933 restore_controller(sc->kbdc, command_byte); 934 /* mark this device is no longer available */ 935 sc->state &= ~PSM_VALID; 936 log(LOG_ERR, 937 "psm%d: failed to enable the device (doopen).\n", 938 sc->unit); 939 return (EIO); 940 } 941 } 942 943 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 944 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 945 sc->unit); 946 947 /* enable the aux port and interrupt */ 948 if (!set_controller_command_byte(sc->kbdc, 949 kbdc_get_device_mask(sc->kbdc), 950 (command_byte & KBD_KBD_CONTROL_BITS) | 951 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 952 /* CONTROLLER ERROR */ 953 disable_aux_dev(sc->kbdc); 954 restore_controller(sc->kbdc, command_byte); 955 log(LOG_ERR, 956 "psm%d: failed to enable the aux interrupt (doopen).\n", 957 sc->unit); 958 return (EIO); 959 } 960 961 /* start the watchdog timer */ 962 sc->watchdog = FALSE; 963 callout_reset(&sc->callout, hz * 2, psmtimeout, sc); 964 965 return (0); 966 } 967 968 static int 969 reinitialize(struct psm_softc *sc, int doinit) 970 { 971 int err; 972 int c; 973 int s; 974 975 /* don't let anybody mess with the aux device */ 976 if (!kbdc_lock(sc->kbdc, TRUE)) 977 return (EIO); 978 s = spltty(); 979 980 /* block our watchdog timer */ 981 sc->watchdog = FALSE; 982 callout_stop(&sc->callout); 983 984 /* save the current controller command byte */ 985 empty_both_buffers(sc->kbdc, 10); 986 c = get_controller_command_byte(sc->kbdc); 987 VLOG(2, (LOG_DEBUG, 988 "psm%d: current command byte: %04x (reinitialize).\n", 989 sc->unit, c)); 990 991 /* enable the aux port but disable the aux interrupt and the keyboard */ 992 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 993 kbdc_get_device_mask(sc->kbdc), 994 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 995 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 996 /* CONTROLLER ERROR */ 997 splx(s); 998 kbdc_lock(sc->kbdc, FALSE); 999 log(LOG_ERR, 1000 "psm%d: unable to set the command byte (reinitialize).\n", 1001 sc->unit); 1002 return (EIO); 1003 } 1004 1005 /* flush any data */ 1006 if (sc->state & PSM_VALID) { 1007 /* this may fail; but never mind... */ 1008 disable_aux_dev(sc->kbdc); 1009 empty_aux_buffer(sc->kbdc, 10); 1010 } 1011 flushpackets(sc); 1012 sc->syncerrors = 0; 1013 sc->pkterrors = 0; 1014 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1015 1016 /* try to detect the aux device; are you still there? */ 1017 err = 0; 1018 if (doinit) { 1019 if (doinitialize(sc, &sc->mode)) { 1020 /* yes */ 1021 sc->state |= PSM_VALID; 1022 } else { 1023 /* the device has gone! */ 1024 restore_controller(sc->kbdc, c); 1025 sc->state &= ~PSM_VALID; 1026 log(LOG_ERR, 1027 "psm%d: the aux device has gone! (reinitialize).\n", 1028 sc->unit); 1029 err = ENXIO; 1030 } 1031 } 1032 splx(s); 1033 1034 /* restore the driver state */ 1035 if ((sc->state & PSM_OPEN) && (err == 0)) { 1036 /* enable the aux device and the port again */ 1037 err = doopen(sc, c); 1038 if (err != 0) 1039 log(LOG_ERR, "psm%d: failed to enable the device " 1040 "(reinitialize).\n", sc->unit); 1041 } else { 1042 /* restore the keyboard port and disable the aux port */ 1043 if (!set_controller_command_byte(sc->kbdc, 1044 kbdc_get_device_mask(sc->kbdc), 1045 (c & KBD_KBD_CONTROL_BITS) | 1046 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1047 /* CONTROLLER ERROR */ 1048 log(LOG_ERR, "psm%d: failed to disable the aux port " 1049 "(reinitialize).\n", sc->unit); 1050 err = EIO; 1051 } 1052 } 1053 1054 kbdc_lock(sc->kbdc, FALSE); 1055 return (err); 1056 } 1057 1058 /* psm driver entry points */ 1059 1060 static void 1061 psmidentify(driver_t *driver, device_t parent) 1062 { 1063 device_t psmc; 1064 device_t psm; 1065 u_long irq; 1066 int unit; 1067 1068 unit = device_get_unit(parent); 1069 1070 /* always add at least one child */ 1071 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1072 if (psm == NULL) 1073 return; 1074 1075 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1076 if (irq > 0) 1077 return; 1078 1079 /* 1080 * If the PS/2 mouse device has already been reported by ACPI or 1081 * PnP BIOS, obtain the IRQ resource from it. 1082 * (See psmcpnp_attach() below.) 1083 */ 1084 psmc = device_find_child(device_get_parent(parent), 1085 PSMCPNP_DRIVER_NAME, unit); 1086 if (psmc == NULL) 1087 return; 1088 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1089 if (irq <= 0) 1090 return; 1091 bus_delete_resource(psmc, SYS_RES_IRQ, 0); 1092 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1093 } 1094 1095 #define endprobe(v) do { \ 1096 if (bootverbose) \ 1097 --verbose; \ 1098 kbdc_set_device_mask(sc->kbdc, mask); \ 1099 kbdc_lock(sc->kbdc, FALSE); \ 1100 return (v); \ 1101 } while (0) 1102 1103 static int 1104 psmprobe(device_t dev) 1105 { 1106 int unit = device_get_unit(dev); 1107 struct psm_softc *sc = device_get_softc(dev); 1108 int stat[3]; 1109 int command_byte; 1110 int mask; 1111 int rid; 1112 int i; 1113 1114 #if 0 1115 kbdc_debug(TRUE); 1116 #endif 1117 1118 /* see if IRQ is available */ 1119 rid = KBDC_RID_AUX; 1120 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1121 if (sc->intr == NULL) { 1122 if (bootverbose) 1123 device_printf(dev, "unable to allocate IRQ\n"); 1124 return (ENXIO); 1125 } 1126 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1127 1128 sc->unit = unit; 1129 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1130 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1131 /* XXX: for backward compatibility */ 1132 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1133 sc->config |= 1134 #ifdef PSM_RESETAFTERSUSPEND 1135 PSM_CONFIG_INITAFTERSUSPEND; 1136 #else 1137 PSM_CONFIG_HOOKRESUME; 1138 #endif 1139 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1140 sc->flags = 0; 1141 if (bootverbose) 1142 ++verbose; 1143 1144 device_set_desc(dev, "PS/2 Mouse"); 1145 1146 if (!kbdc_lock(sc->kbdc, TRUE)) { 1147 printf("psm%d: unable to lock the controller.\n", unit); 1148 if (bootverbose) 1149 --verbose; 1150 return (ENXIO); 1151 } 1152 1153 /* 1154 * NOTE: two bits in the command byte controls the operation of the 1155 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1156 * port interrupt (IRQ 12) enable bit (bit 2). 1157 */ 1158 1159 /* discard anything left after the keyboard initialization */ 1160 empty_both_buffers(sc->kbdc, 10); 1161 1162 /* save the current command byte; it will be used later */ 1163 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1164 command_byte = get_controller_command_byte(sc->kbdc); 1165 if (verbose) 1166 printf("psm%d: current command byte:%04x\n", unit, 1167 command_byte); 1168 if (command_byte == -1) { 1169 /* CONTROLLER ERROR */ 1170 printf("psm%d: unable to get the current command byte value.\n", 1171 unit); 1172 endprobe(ENXIO); 1173 } 1174 1175 /* 1176 * disable the keyboard port while probing the aux port, which must be 1177 * enabled during this routine 1178 */ 1179 if (!set_controller_command_byte(sc->kbdc, 1180 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1181 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1182 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1183 /* 1184 * this is CONTROLLER ERROR; I don't know how to recover 1185 * from this error... 1186 */ 1187 restore_controller(sc->kbdc, command_byte); 1188 printf("psm%d: unable to set the command byte.\n", unit); 1189 endprobe(ENXIO); 1190 } 1191 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1192 1193 /* 1194 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1195 * port exists and is functioning. However, some controllers appears 1196 * to respond with zero even when the aux port doesn't exist. (It may 1197 * be that this is only the case when the controller DOES have the aux 1198 * port but the port is not wired on the motherboard.) The keyboard 1199 * controllers without the port, such as the original AT, are 1200 * supposed to return with an error code or simply time out. In any 1201 * case, we have to continue probing the port even when the controller 1202 * passes this test. 1203 * 1204 * XXX: some controllers erroneously return the error code 1, 2 or 3 1205 * when it has a perfectly functional aux port. We have to ignore 1206 * this error code. Even if the controller HAS error with the aux 1207 * port, it will be detected later... 1208 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1209 */ 1210 switch ((i = test_aux_port(sc->kbdc))) { 1211 case 1: /* ignore these errors */ 1212 case 2: 1213 case 3: 1214 case PSM_ACK: 1215 if (verbose) 1216 printf("psm%d: strange result for test aux port " 1217 "(%d).\n", unit, i); 1218 /* FALLTHROUGH */ 1219 case 0: /* no error */ 1220 break; 1221 case -1: /* time out */ 1222 default: /* error */ 1223 recover_from_error(sc->kbdc); 1224 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1225 break; 1226 restore_controller(sc->kbdc, command_byte); 1227 if (verbose) 1228 printf("psm%d: the aux port is not functioning (%d).\n", 1229 unit, i); 1230 endprobe(ENXIO); 1231 } 1232 1233 if (sc->config & PSM_CONFIG_NORESET) { 1234 /* 1235 * Don't try to reset the pointing device. It may possibly be 1236 * left in an unknown state, though... 1237 */ 1238 } else { 1239 /* 1240 * NOTE: some controllers appears to hang the `keyboard' when 1241 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1242 * 1243 * Attempt to reset the controller twice -- this helps 1244 * pierce through some KVM switches. The second reset 1245 * is non-fatal. 1246 */ 1247 if (!reset_aux_dev(sc->kbdc)) { 1248 recover_from_error(sc->kbdc); 1249 restore_controller(sc->kbdc, command_byte); 1250 if (verbose) 1251 printf("psm%d: failed to reset the aux " 1252 "device.\n", unit); 1253 endprobe(ENXIO); 1254 } else if (!reset_aux_dev(sc->kbdc)) { 1255 recover_from_error(sc->kbdc); 1256 if (verbose >= 2) 1257 printf("psm%d: failed to reset the aux device " 1258 "(2).\n", unit); 1259 } 1260 } 1261 1262 /* 1263 * both the aux port and the aux device are functioning, see if the 1264 * device can be enabled. NOTE: when enabled, the device will start 1265 * sending data; we shall immediately disable the device once we know 1266 * the device can be enabled. 1267 */ 1268 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1269 /* MOUSE ERROR */ 1270 recover_from_error(sc->kbdc); 1271 restore_controller(sc->kbdc, command_byte); 1272 if (verbose) 1273 printf("psm%d: failed to enable the aux device.\n", 1274 unit); 1275 endprobe(ENXIO); 1276 } 1277 1278 /* save the default values after reset */ 1279 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1280 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1281 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1282 } else { 1283 sc->dflt_mode.rate = sc->mode.rate = -1; 1284 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1285 } 1286 1287 /* hardware information */ 1288 sc->hw.iftype = MOUSE_IF_PS2; 1289 1290 /* verify the device is a mouse */ 1291 sc->hw.hwid = get_aux_id(sc->kbdc); 1292 if (!is_a_mouse(sc->hw.hwid)) { 1293 restore_controller(sc->kbdc, command_byte); 1294 if (verbose) 1295 printf("psm%d: unknown device type (%d).\n", unit, 1296 sc->hw.hwid); 1297 endprobe(ENXIO); 1298 } 1299 switch (sc->hw.hwid) { 1300 case PSM_BALLPOINT_ID: 1301 sc->hw.type = MOUSE_TRACKBALL; 1302 break; 1303 case PSM_MOUSE_ID: 1304 case PSM_INTELLI_ID: 1305 case PSM_EXPLORER_ID: 1306 case PSM_4DMOUSE_ID: 1307 case PSM_4DPLUS_ID: 1308 sc->hw.type = MOUSE_MOUSE; 1309 break; 1310 default: 1311 sc->hw.type = MOUSE_UNKNOWN; 1312 break; 1313 } 1314 1315 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1316 sc->hw.buttons = 2; 1317 i = GENERIC_MOUSE_ENTRY; 1318 } else { 1319 /* # of buttons */ 1320 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1321 1322 /* other parameters */ 1323 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1324 if ((*vendortype[i].probefunc)(sc->kbdc, sc)) { 1325 if (verbose >= 2) 1326 printf("psm%d: found %s\n", unit, 1327 model_name(vendortype[i].model)); 1328 break; 1329 } 1330 } 1331 1332 sc->hw.model = vendortype[i].model; 1333 1334 sc->dflt_mode.level = PSM_LEVEL_BASE; 1335 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1336 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1337 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1338 sc->dflt_mode.syncmask[0] = 0; 1339 else 1340 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1341 if (sc->config & PSM_CONFIG_FORCETAP) 1342 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1343 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1344 sc->mode = sc->dflt_mode; 1345 sc->mode.packetsize = vendortype[i].packetsize; 1346 1347 /* set mouse parameters */ 1348 #if 0 1349 /* 1350 * A version of Logitech FirstMouse+ won't report wheel movement, 1351 * if SET_DEFAULTS is sent... Don't use this command. 1352 * This fix was found by Takashi Nishida. 1353 */ 1354 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1355 if (verbose >= 2) 1356 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1357 #endif 1358 if (sc->config & PSM_CONFIG_RESOLUTION) 1359 sc->mode.resolution = 1360 set_mouse_resolution(sc->kbdc, 1361 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1362 else if (sc->mode.resolution >= 0) 1363 sc->mode.resolution = 1364 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1365 if (sc->mode.rate > 0) 1366 sc->mode.rate = 1367 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1368 set_mouse_scaling(sc->kbdc, 1); 1369 1370 /* Record sync on the next data packet we see. */ 1371 sc->flags |= PSM_NEED_SYNCBITS; 1372 1373 /* just check the status of the mouse */ 1374 /* 1375 * NOTE: XXX there are some arcane controller/mouse combinations out 1376 * there, which hung the controller unless there is data transmission 1377 * after ACK from the mouse. 1378 */ 1379 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1380 printf("psm%d: failed to get status.\n", unit); 1381 else { 1382 /* 1383 * When in its native mode, some mice operate with different 1384 * default parameters than in the PS/2 compatible mode. 1385 */ 1386 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1387 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1388 } 1389 1390 /* disable the aux port for now... */ 1391 if (!set_controller_command_byte(sc->kbdc, 1392 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1393 (command_byte & KBD_KBD_CONTROL_BITS) | 1394 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1395 /* 1396 * this is CONTROLLER ERROR; I don't know the proper way to 1397 * recover from this error... 1398 */ 1399 restore_controller(sc->kbdc, command_byte); 1400 printf("psm%d: unable to set the command byte.\n", unit); 1401 endprobe(ENXIO); 1402 } 1403 1404 /* done */ 1405 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1406 kbdc_lock(sc->kbdc, FALSE); 1407 return (0); 1408 } 1409 1410 static int 1411 psmattach(device_t dev) 1412 { 1413 int unit = device_get_unit(dev); 1414 struct psm_softc *sc = device_get_softc(dev); 1415 int error; 1416 int rid; 1417 1418 /* Setup initial state */ 1419 sc->state = PSM_VALID; 1420 callout_init(&sc->callout, 0); 1421 callout_init(&sc->softcallout, 0); 1422 1423 /* Setup our interrupt handler */ 1424 rid = KBDC_RID_AUX; 1425 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); 1426 if (sc->intr == NULL) 1427 return (ENXIO); 1428 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1429 &sc->ih); 1430 if (error) { 1431 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1432 return (error); 1433 } 1434 1435 /* Done */ 1436 sc->dev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "psm%d", unit); 1437 sc->dev->si_drv1 = sc; 1438 sc->bdev = make_dev(&psm_cdevsw, 0, 0, 0, 0666, "bpsm%d", unit); 1439 sc->bdev->si_drv1 = sc; 1440 1441 /* Some touchpad devices need full reinitialization after suspend. */ 1442 switch (sc->hw.model) { 1443 case MOUSE_MODEL_SYNAPTICS: 1444 case MOUSE_MODEL_GLIDEPOINT: 1445 case MOUSE_MODEL_VERSAPAD: 1446 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1447 break; 1448 default: 1449 if (sc->synhw.infoMajor >= 4) 1450 sc->config |= PSM_CONFIG_INITAFTERSUSPEND; 1451 break; 1452 } 1453 1454 if (!verbose) 1455 printf("psm%d: model %s, device ID %d\n", 1456 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1457 else { 1458 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1459 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1460 sc->hw.hwid >> 8, sc->hw.buttons); 1461 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1462 unit, sc->config, sc->flags, sc->mode.packetsize); 1463 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1464 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1465 } 1466 1467 if (bootverbose) 1468 --verbose; 1469 1470 return (0); 1471 } 1472 1473 static int 1474 psmdetach(device_t dev) 1475 { 1476 struct psm_softc *sc; 1477 int rid; 1478 1479 sc = device_get_softc(dev); 1480 if (sc->state & PSM_OPEN) 1481 return (EBUSY); 1482 1483 rid = KBDC_RID_AUX; 1484 bus_teardown_intr(dev, sc->intr, sc->ih); 1485 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1486 1487 destroy_dev(sc->dev); 1488 destroy_dev(sc->bdev); 1489 1490 callout_drain(&sc->callout); 1491 callout_drain(&sc->softcallout); 1492 1493 return (0); 1494 } 1495 1496 static int 1497 psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1498 { 1499 struct psm_softc *sc; 1500 int command_byte; 1501 int err; 1502 int s; 1503 1504 /* Get device data */ 1505 sc = dev->si_drv1; 1506 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1507 /* the device is no longer valid/functioning */ 1508 return (ENXIO); 1509 } 1510 1511 /* Disallow multiple opens */ 1512 if (sc->state & PSM_OPEN) 1513 return (EBUSY); 1514 1515 device_busy(devclass_get_device(psm_devclass, sc->unit)); 1516 1517 /* Initialize state */ 1518 sc->mode.level = sc->dflt_mode.level; 1519 sc->mode.protocol = sc->dflt_mode.protocol; 1520 sc->watchdog = FALSE; 1521 sc->async = NULL; 1522 1523 /* flush the event queue */ 1524 sc->queue.count = 0; 1525 sc->queue.head = 0; 1526 sc->queue.tail = 0; 1527 sc->status.flags = 0; 1528 sc->status.button = 0; 1529 sc->status.obutton = 0; 1530 sc->status.dx = 0; 1531 sc->status.dy = 0; 1532 sc->status.dz = 0; 1533 sc->button = 0; 1534 sc->pqueue_start = 0; 1535 sc->pqueue_end = 0; 1536 1537 /* empty input buffer */ 1538 flushpackets(sc); 1539 sc->syncerrors = 0; 1540 sc->pkterrors = 0; 1541 1542 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1543 if (!kbdc_lock(sc->kbdc, TRUE)) 1544 return (EIO); 1545 1546 /* save the current controller command byte */ 1547 s = spltty(); 1548 command_byte = get_controller_command_byte(sc->kbdc); 1549 1550 /* enable the aux port and temporalily disable the keyboard */ 1551 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1552 kbdc_get_device_mask(sc->kbdc), 1553 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1554 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1555 /* CONTROLLER ERROR; do you know how to get out of this? */ 1556 kbdc_lock(sc->kbdc, FALSE); 1557 splx(s); 1558 log(LOG_ERR, 1559 "psm%d: unable to set the command byte (psmopen).\n", 1560 sc->unit); 1561 return (EIO); 1562 } 1563 /* 1564 * Now that the keyboard controller is told not to generate 1565 * the keyboard and mouse interrupts, call `splx()' to allow 1566 * the other tty interrupts. The clock interrupt may also occur, 1567 * but timeout routines will be blocked by the poll flag set 1568 * via `kbdc_lock()' 1569 */ 1570 splx(s); 1571 1572 /* enable the mouse device */ 1573 err = doopen(sc, command_byte); 1574 1575 /* done */ 1576 if (err == 0) 1577 sc->state |= PSM_OPEN; 1578 kbdc_lock(sc->kbdc, FALSE); 1579 return (err); 1580 } 1581 1582 static int 1583 psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1584 { 1585 struct psm_softc *sc = dev->si_drv1; 1586 int stat[3]; 1587 int command_byte; 1588 int s; 1589 1590 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1591 if (!kbdc_lock(sc->kbdc, TRUE)) 1592 return (EIO); 1593 1594 /* save the current controller command byte */ 1595 s = spltty(); 1596 command_byte = get_controller_command_byte(sc->kbdc); 1597 if (command_byte == -1) { 1598 kbdc_lock(sc->kbdc, FALSE); 1599 splx(s); 1600 return (EIO); 1601 } 1602 1603 /* disable the aux interrupt and temporalily disable the keyboard */ 1604 if (!set_controller_command_byte(sc->kbdc, 1605 kbdc_get_device_mask(sc->kbdc), 1606 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1607 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1608 log(LOG_ERR, 1609 "psm%d: failed to disable the aux int (psmclose).\n", 1610 sc->unit); 1611 /* CONTROLLER ERROR; 1612 * NOTE: we shall force our way through. Because the only 1613 * ill effect we shall see is that we may not be able 1614 * to read ACK from the mouse, and it doesn't matter much 1615 * so long as the mouse will accept the DISABLE command. 1616 */ 1617 } 1618 splx(s); 1619 1620 /* stop the watchdog timer */ 1621 callout_stop(&sc->callout); 1622 1623 /* remove anything left in the output buffer */ 1624 empty_aux_buffer(sc->kbdc, 10); 1625 1626 /* disable the aux device, port and interrupt */ 1627 if (sc->state & PSM_VALID) { 1628 if (!disable_aux_dev(sc->kbdc)) { 1629 /* MOUSE ERROR; 1630 * NOTE: we don't return (error) and continue, 1631 * pretending we have successfully disabled the device. 1632 * It's OK because the interrupt routine will discard 1633 * any data from the mouse hereafter. 1634 */ 1635 log(LOG_ERR, 1636 "psm%d: failed to disable the device (psmclose).\n", 1637 sc->unit); 1638 } 1639 1640 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1641 log(LOG_DEBUG, 1642 "psm%d: failed to get status (psmclose).\n", 1643 sc->unit); 1644 } 1645 1646 if (!set_controller_command_byte(sc->kbdc, 1647 kbdc_get_device_mask(sc->kbdc), 1648 (command_byte & KBD_KBD_CONTROL_BITS) | 1649 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1650 /* 1651 * CONTROLLER ERROR; 1652 * we shall ignore this error; see the above comment. 1653 */ 1654 log(LOG_ERR, 1655 "psm%d: failed to disable the aux port (psmclose).\n", 1656 sc->unit); 1657 } 1658 1659 /* remove anything left in the output buffer */ 1660 empty_aux_buffer(sc->kbdc, 10); 1661 1662 /* clean up and sigio requests */ 1663 if (sc->async != NULL) { 1664 funsetown(&sc->async); 1665 sc->async = NULL; 1666 } 1667 1668 /* close is almost always successful */ 1669 sc->state &= ~PSM_OPEN; 1670 kbdc_lock(sc->kbdc, FALSE); 1671 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 1672 return (0); 1673 } 1674 1675 static int 1676 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1677 u_char *buf) 1678 { 1679 static u_char butmapps2[8] = { 1680 0, 1681 MOUSE_PS2_BUTTON1DOWN, 1682 MOUSE_PS2_BUTTON2DOWN, 1683 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1684 MOUSE_PS2_BUTTON3DOWN, 1685 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1686 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1687 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1688 MOUSE_PS2_BUTTON3DOWN, 1689 }; 1690 static u_char butmapmsc[8] = { 1691 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1692 MOUSE_MSC_BUTTON3UP, 1693 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1694 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1695 MOUSE_MSC_BUTTON3UP, 1696 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1697 MOUSE_MSC_BUTTON2UP, 1698 MOUSE_MSC_BUTTON1UP, 1699 0, 1700 }; 1701 int mapped; 1702 int i; 1703 1704 if (sc->mode.level == PSM_LEVEL_BASE) { 1705 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1706 if (status->button & MOUSE_BUTTON4DOWN) 1707 mapped |= MOUSE_BUTTON1DOWN; 1708 status->button = mapped; 1709 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1710 i = imax(imin(status->dx, 255), -256); 1711 if (i < 0) 1712 buf[0] |= MOUSE_PS2_XNEG; 1713 buf[1] = i; 1714 i = imax(imin(status->dy, 255), -256); 1715 if (i < 0) 1716 buf[0] |= MOUSE_PS2_YNEG; 1717 buf[2] = i; 1718 return (MOUSE_PS2_PACKETSIZE); 1719 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1720 buf[0] = MOUSE_MSC_SYNC | 1721 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1722 i = imax(imin(status->dx, 255), -256); 1723 buf[1] = i >> 1; 1724 buf[3] = i - buf[1]; 1725 i = imax(imin(status->dy, 255), -256); 1726 buf[2] = i >> 1; 1727 buf[4] = i - buf[2]; 1728 i = imax(imin(status->dz, 127), -128); 1729 buf[5] = (i >> 1) & 0x7f; 1730 buf[6] = (i - (i >> 1)) & 0x7f; 1731 buf[7] = (~status->button >> 3) & 0x7f; 1732 return (MOUSE_SYS_PACKETSIZE); 1733 } 1734 return (pb->inputbytes); 1735 } 1736 1737 static int 1738 psmread(struct cdev *dev, struct uio *uio, int flag) 1739 { 1740 struct psm_softc *sc = dev->si_drv1; 1741 u_char buf[PSM_SMALLBUFSIZE]; 1742 int error = 0; 1743 int s; 1744 int l; 1745 1746 if ((sc->state & PSM_VALID) == 0) 1747 return (EIO); 1748 1749 /* block until mouse activity occured */ 1750 s = spltty(); 1751 while (sc->queue.count <= 0) { 1752 if (dev != sc->bdev) { 1753 splx(s); 1754 return (EWOULDBLOCK); 1755 } 1756 sc->state |= PSM_ASLP; 1757 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 1758 sc->state &= ~PSM_ASLP; 1759 if (error) { 1760 splx(s); 1761 return (error); 1762 } else if ((sc->state & PSM_VALID) == 0) { 1763 /* the device disappeared! */ 1764 splx(s); 1765 return (EIO); 1766 } 1767 } 1768 splx(s); 1769 1770 /* copy data to the user land */ 1771 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1772 s = spltty(); 1773 l = imin(sc->queue.count, uio->uio_resid); 1774 if (l > sizeof(buf)) 1775 l = sizeof(buf); 1776 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1777 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1778 sizeof(sc->queue.buf) - sc->queue.head); 1779 bcopy(&sc->queue.buf[0], 1780 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1781 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1782 } else 1783 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1784 sc->queue.count -= l; 1785 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1786 splx(s); 1787 error = uiomove(buf, l, uio); 1788 if (error) 1789 break; 1790 } 1791 1792 return (error); 1793 } 1794 1795 static int 1796 block_mouse_data(struct psm_softc *sc, int *c) 1797 { 1798 int s; 1799 1800 if (!kbdc_lock(sc->kbdc, TRUE)) 1801 return (EIO); 1802 1803 s = spltty(); 1804 *c = get_controller_command_byte(sc->kbdc); 1805 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1806 kbdc_get_device_mask(sc->kbdc), 1807 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1808 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1809 /* this is CONTROLLER ERROR */ 1810 splx(s); 1811 kbdc_lock(sc->kbdc, FALSE); 1812 return (EIO); 1813 } 1814 1815 /* 1816 * The device may be in the middle of status data transmission. 1817 * The transmission will be interrupted, thus, incomplete status 1818 * data must be discarded. Although the aux interrupt is disabled 1819 * at the keyboard controller level, at most one aux interrupt 1820 * may have already been pending and a data byte is in the 1821 * output buffer; throw it away. Note that the second argument 1822 * to `empty_aux_buffer()' is zero, so that the call will just 1823 * flush the internal queue. 1824 * `psmintr()' will be invoked after `splx()' if an interrupt is 1825 * pending; it will see no data and returns immediately. 1826 */ 1827 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1828 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1829 flushpackets(sc); 1830 splx(s); 1831 1832 return (0); 1833 } 1834 1835 static void 1836 dropqueue(struct psm_softc *sc) 1837 { 1838 1839 sc->queue.count = 0; 1840 sc->queue.head = 0; 1841 sc->queue.tail = 0; 1842 if ((sc->state & PSM_SOFTARMED) != 0) { 1843 sc->state &= ~PSM_SOFTARMED; 1844 callout_stop(&sc->softcallout); 1845 } 1846 sc->pqueue_start = sc->pqueue_end; 1847 } 1848 1849 static void 1850 flushpackets(struct psm_softc *sc) 1851 { 1852 1853 dropqueue(sc); 1854 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1855 } 1856 1857 static int 1858 unblock_mouse_data(struct psm_softc *sc, int c) 1859 { 1860 int error = 0; 1861 1862 /* 1863 * We may have seen a part of status data during `set_mouse_XXX()'. 1864 * they have been queued; flush it. 1865 */ 1866 empty_aux_buffer(sc->kbdc, 0); 1867 1868 /* restore ports and interrupt */ 1869 if (!set_controller_command_byte(sc->kbdc, 1870 kbdc_get_device_mask(sc->kbdc), 1871 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1872 /* 1873 * CONTROLLER ERROR; this is serious, we may have 1874 * been left with the inaccessible keyboard and 1875 * the disabled mouse interrupt. 1876 */ 1877 error = EIO; 1878 } 1879 1880 kbdc_lock(sc->kbdc, FALSE); 1881 return (error); 1882 } 1883 1884 static int 1885 psmwrite(struct cdev *dev, struct uio *uio, int flag) 1886 { 1887 struct psm_softc *sc = dev->si_drv1; 1888 u_char buf[PSM_SMALLBUFSIZE]; 1889 int error = 0, i, l; 1890 1891 if ((sc->state & PSM_VALID) == 0) 1892 return (EIO); 1893 1894 if (sc->mode.level < PSM_LEVEL_NATIVE) 1895 return (ENODEV); 1896 1897 /* copy data from the user land */ 1898 while (uio->uio_resid > 0) { 1899 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1900 error = uiomove(buf, l, uio); 1901 if (error) 1902 break; 1903 for (i = 0; i < l; i++) { 1904 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1905 if (!write_aux_command(sc->kbdc, buf[i])) { 1906 VLOG(2, (LOG_DEBUG, 1907 "psm: cmd 0x%x failed.\n", buf[i])); 1908 return (reinitialize(sc, FALSE)); 1909 } 1910 } 1911 } 1912 1913 return (error); 1914 } 1915 1916 static int 1917 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 1918 struct thread *td) 1919 { 1920 struct psm_softc *sc = dev->si_drv1; 1921 mousemode_t mode; 1922 mousestatus_t status; 1923 #if (defined(MOUSE_GETVARS)) 1924 mousevar_t *var; 1925 #endif 1926 mousedata_t *data; 1927 int stat[3]; 1928 int command_byte; 1929 int error = 0; 1930 int s; 1931 1932 /* Perform IOCTL command */ 1933 switch (cmd) { 1934 1935 case OLD_MOUSE_GETHWINFO: 1936 s = spltty(); 1937 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1938 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1939 ((old_mousehw_t *)addr)->type = sc->hw.type; 1940 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1941 splx(s); 1942 break; 1943 1944 case MOUSE_GETHWINFO: 1945 s = spltty(); 1946 *(mousehw_t *)addr = sc->hw; 1947 if (sc->mode.level == PSM_LEVEL_BASE) 1948 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1949 splx(s); 1950 break; 1951 1952 case MOUSE_SYN_GETHWINFO: 1953 s = spltty(); 1954 if (sc->synhw.infoMajor >= 4) 1955 *(synapticshw_t *)addr = sc->synhw; 1956 else 1957 error = EINVAL; 1958 splx(s); 1959 break; 1960 1961 case OLD_MOUSE_GETMODE: 1962 s = spltty(); 1963 switch (sc->mode.level) { 1964 case PSM_LEVEL_BASE: 1965 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1966 break; 1967 case PSM_LEVEL_STANDARD: 1968 ((old_mousemode_t *)addr)->protocol = 1969 MOUSE_PROTO_SYSMOUSE; 1970 break; 1971 case PSM_LEVEL_NATIVE: 1972 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1973 break; 1974 } 1975 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1976 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1977 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1978 splx(s); 1979 break; 1980 1981 case MOUSE_GETMODE: 1982 s = spltty(); 1983 *(mousemode_t *)addr = sc->mode; 1984 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 1985 ((mousemode_t *)addr)->syncmask[0] = 0; 1986 ((mousemode_t *)addr)->syncmask[1] = 0; 1987 } 1988 ((mousemode_t *)addr)->resolution = 1989 MOUSE_RES_LOW - sc->mode.resolution; 1990 switch (sc->mode.level) { 1991 case PSM_LEVEL_BASE: 1992 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1993 ((mousemode_t *)addr)->packetsize = 1994 MOUSE_PS2_PACKETSIZE; 1995 break; 1996 case PSM_LEVEL_STANDARD: 1997 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1998 ((mousemode_t *)addr)->packetsize = 1999 MOUSE_SYS_PACKETSIZE; 2000 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 2001 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 2002 break; 2003 case PSM_LEVEL_NATIVE: 2004 /* FIXME: this isn't quite correct... XXX */ 2005 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 2006 break; 2007 } 2008 splx(s); 2009 break; 2010 2011 case OLD_MOUSE_SETMODE: 2012 case MOUSE_SETMODE: 2013 if (cmd == OLD_MOUSE_SETMODE) { 2014 mode.rate = ((old_mousemode_t *)addr)->rate; 2015 /* 2016 * resolution old I/F new I/F 2017 * default 0 0 2018 * low 1 -2 2019 * medium low 2 -3 2020 * medium high 3 -4 2021 * high 4 -5 2022 */ 2023 if (((old_mousemode_t *)addr)->resolution > 0) 2024 mode.resolution = 2025 -((old_mousemode_t *)addr)->resolution - 1; 2026 else 2027 mode.resolution = 0; 2028 mode.accelfactor = 2029 ((old_mousemode_t *)addr)->accelfactor; 2030 mode.level = -1; 2031 } else 2032 mode = *(mousemode_t *)addr; 2033 2034 /* adjust and validate parameters. */ 2035 if (mode.rate > UCHAR_MAX) 2036 return (EINVAL); 2037 if (mode.rate == 0) 2038 mode.rate = sc->dflt_mode.rate; 2039 else if (mode.rate == -1) 2040 /* don't change the current setting */ 2041 ; 2042 else if (mode.rate < 0) 2043 return (EINVAL); 2044 if (mode.resolution >= UCHAR_MAX) 2045 return (EINVAL); 2046 if (mode.resolution >= 200) 2047 mode.resolution = MOUSE_RES_HIGH; 2048 else if (mode.resolution >= 100) 2049 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2050 else if (mode.resolution >= 50) 2051 mode.resolution = MOUSE_RES_MEDIUMLOW; 2052 else if (mode.resolution > 0) 2053 mode.resolution = MOUSE_RES_LOW; 2054 if (mode.resolution == MOUSE_RES_DEFAULT) 2055 mode.resolution = sc->dflt_mode.resolution; 2056 else if (mode.resolution == -1) 2057 /* don't change the current setting */ 2058 ; 2059 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2060 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2061 if (mode.level == -1) 2062 /* don't change the current setting */ 2063 mode.level = sc->mode.level; 2064 else if ((mode.level < PSM_LEVEL_MIN) || 2065 (mode.level > PSM_LEVEL_MAX)) 2066 return (EINVAL); 2067 if (mode.accelfactor == -1) 2068 /* don't change the current setting */ 2069 mode.accelfactor = sc->mode.accelfactor; 2070 else if (mode.accelfactor < 0) 2071 return (EINVAL); 2072 2073 /* don't allow anybody to poll the keyboard controller */ 2074 error = block_mouse_data(sc, &command_byte); 2075 if (error) 2076 return (error); 2077 2078 /* set mouse parameters */ 2079 if (mode.rate > 0) 2080 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2081 mode.rate); 2082 if (mode.resolution >= 0) 2083 mode.resolution = 2084 set_mouse_resolution(sc->kbdc, mode.resolution); 2085 set_mouse_scaling(sc->kbdc, 1); 2086 get_mouse_status(sc->kbdc, stat, 0, 3); 2087 2088 s = spltty(); 2089 sc->mode.rate = mode.rate; 2090 sc->mode.resolution = mode.resolution; 2091 sc->mode.accelfactor = mode.accelfactor; 2092 sc->mode.level = mode.level; 2093 splx(s); 2094 2095 unblock_mouse_data(sc, command_byte); 2096 break; 2097 2098 case MOUSE_GETLEVEL: 2099 *(int *)addr = sc->mode.level; 2100 break; 2101 2102 case MOUSE_SETLEVEL: 2103 if ((*(int *)addr < PSM_LEVEL_MIN) || 2104 (*(int *)addr > PSM_LEVEL_MAX)) 2105 return (EINVAL); 2106 sc->mode.level = *(int *)addr; 2107 break; 2108 2109 case MOUSE_GETSTATUS: 2110 s = spltty(); 2111 status = sc->status; 2112 sc->status.flags = 0; 2113 sc->status.obutton = sc->status.button; 2114 sc->status.button = 0; 2115 sc->status.dx = 0; 2116 sc->status.dy = 0; 2117 sc->status.dz = 0; 2118 splx(s); 2119 *(mousestatus_t *)addr = status; 2120 break; 2121 2122 #if (defined(MOUSE_GETVARS)) 2123 case MOUSE_GETVARS: 2124 var = (mousevar_t *)addr; 2125 bzero(var, sizeof(*var)); 2126 s = spltty(); 2127 var->var[0] = MOUSE_VARS_PS2_SIG; 2128 var->var[1] = sc->config; 2129 var->var[2] = sc->flags; 2130 splx(s); 2131 break; 2132 2133 case MOUSE_SETVARS: 2134 return (ENODEV); 2135 #endif /* MOUSE_GETVARS */ 2136 2137 case MOUSE_READSTATE: 2138 case MOUSE_READDATA: 2139 data = (mousedata_t *)addr; 2140 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2141 return (EINVAL); 2142 2143 error = block_mouse_data(sc, &command_byte); 2144 if (error) 2145 return (error); 2146 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2147 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2148 error = EIO; 2149 unblock_mouse_data(sc, command_byte); 2150 break; 2151 2152 #if (defined(MOUSE_SETRESOLUTION)) 2153 case MOUSE_SETRESOLUTION: 2154 mode.resolution = *(int *)addr; 2155 if (mode.resolution >= UCHAR_MAX) 2156 return (EINVAL); 2157 else if (mode.resolution >= 200) 2158 mode.resolution = MOUSE_RES_HIGH; 2159 else if (mode.resolution >= 100) 2160 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2161 else if (mode.resolution >= 50) 2162 mode.resolution = MOUSE_RES_MEDIUMLOW; 2163 else if (mode.resolution > 0) 2164 mode.resolution = MOUSE_RES_LOW; 2165 if (mode.resolution == MOUSE_RES_DEFAULT) 2166 mode.resolution = sc->dflt_mode.resolution; 2167 else if (mode.resolution == -1) 2168 mode.resolution = sc->mode.resolution; 2169 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2170 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2171 2172 error = block_mouse_data(sc, &command_byte); 2173 if (error) 2174 return (error); 2175 sc->mode.resolution = 2176 set_mouse_resolution(sc->kbdc, mode.resolution); 2177 if (sc->mode.resolution != mode.resolution) 2178 error = EIO; 2179 unblock_mouse_data(sc, command_byte); 2180 break; 2181 #endif /* MOUSE_SETRESOLUTION */ 2182 2183 #if (defined(MOUSE_SETRATE)) 2184 case MOUSE_SETRATE: 2185 mode.rate = *(int *)addr; 2186 if (mode.rate > UCHAR_MAX) 2187 return (EINVAL); 2188 if (mode.rate == 0) 2189 mode.rate = sc->dflt_mode.rate; 2190 else if (mode.rate < 0) 2191 mode.rate = sc->mode.rate; 2192 2193 error = block_mouse_data(sc, &command_byte); 2194 if (error) 2195 return (error); 2196 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2197 if (sc->mode.rate != mode.rate) 2198 error = EIO; 2199 unblock_mouse_data(sc, command_byte); 2200 break; 2201 #endif /* MOUSE_SETRATE */ 2202 2203 #if (defined(MOUSE_SETSCALING)) 2204 case MOUSE_SETSCALING: 2205 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2206 return (EINVAL); 2207 2208 error = block_mouse_data(sc, &command_byte); 2209 if (error) 2210 return (error); 2211 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2212 error = EIO; 2213 unblock_mouse_data(sc, command_byte); 2214 break; 2215 #endif /* MOUSE_SETSCALING */ 2216 2217 #if (defined(MOUSE_GETHWID)) 2218 case MOUSE_GETHWID: 2219 error = block_mouse_data(sc, &command_byte); 2220 if (error) 2221 return (error); 2222 sc->hw.hwid &= ~0x00ff; 2223 sc->hw.hwid |= get_aux_id(sc->kbdc); 2224 *(int *)addr = sc->hw.hwid & 0x00ff; 2225 unblock_mouse_data(sc, command_byte); 2226 break; 2227 #endif /* MOUSE_GETHWID */ 2228 2229 case FIONBIO: 2230 case FIOASYNC: 2231 break; 2232 case FIOSETOWN: 2233 error = fsetown(*(int *)addr, &sc->async); 2234 break; 2235 case FIOGETOWN: 2236 *(int *) addr = fgetown(&sc->async); 2237 break; 2238 default: 2239 return (ENOTTY); 2240 } 2241 2242 return (error); 2243 } 2244 2245 static void 2246 psmtimeout(void *arg) 2247 { 2248 struct psm_softc *sc; 2249 int s; 2250 2251 sc = (struct psm_softc *)arg; 2252 s = spltty(); 2253 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2254 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2255 psmintr(sc); 2256 kbdc_lock(sc->kbdc, FALSE); 2257 } 2258 sc->watchdog = TRUE; 2259 splx(s); 2260 callout_reset(&sc->callout, hz, psmtimeout, sc); 2261 } 2262 2263 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2264 static SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2265 static SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2266 2267 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2268 "Verbosity level"); 2269 2270 static int psmhz = 20; 2271 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2272 "Frequency of the softcallout (in hz)"); 2273 static int psmerrsecs = 2; 2274 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2275 "Number of seconds during which packets will dropped after a sync error"); 2276 static int psmerrusecs = 0; 2277 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2278 "Microseconds to add to psmerrsecs"); 2279 static int psmsecs = 0; 2280 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2281 "Max number of seconds between soft interrupts"); 2282 static int psmusecs = 500000; 2283 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2284 "Microseconds to add to psmsecs"); 2285 static int pkterrthresh = 2; 2286 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2287 "Number of error packets allowed before reinitializing the mouse"); 2288 2289 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RW, &tap_enabled, 0, 2290 "Enable tap and drag gestures"); 2291 static int tap_threshold = PSM_TAP_THRESHOLD; 2292 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2293 "Button tap threshold"); 2294 static int tap_timeout = PSM_TAP_TIMEOUT; 2295 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2296 "Tap timeout for touchpads"); 2297 2298 static void 2299 psmintr(void *arg) 2300 { 2301 struct psm_softc *sc = arg; 2302 struct timeval now; 2303 int c; 2304 packetbuf_t *pb; 2305 2306 2307 /* read until there is nothing to read */ 2308 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2309 pb = &sc->pqueue[sc->pqueue_end]; 2310 2311 /* discard the byte if the device is not open */ 2312 if ((sc->state & PSM_OPEN) == 0) 2313 continue; 2314 2315 getmicrouptime(&now); 2316 if ((pb->inputbytes > 0) && 2317 timevalcmp(&now, &sc->inputtimeout, >)) { 2318 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2319 "resetting byte count\n")); 2320 pb->inputbytes = 0; 2321 sc->syncerrors = 0; 2322 sc->pkterrors = 0; 2323 } 2324 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2325 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2326 timevaladd(&sc->inputtimeout, &now); 2327 2328 pb->ipacket[pb->inputbytes++] = c; 2329 2330 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2331 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2332 sc->syncerrors = 0; 2333 sc->pkterrors = 0; 2334 goto next; 2335 } else { 2336 if (pb->inputbytes < sc->mode.packetsize) 2337 continue; 2338 2339 VLOG(4, (LOG_DEBUG, 2340 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2341 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2342 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2343 } 2344 2345 c = pb->ipacket[0]; 2346 2347 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2348 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2349 sc->flags &= ~PSM_NEED_SYNCBITS; 2350 VLOG(2, (LOG_DEBUG, 2351 "psmintr: Sync bytes now %04x,%04x\n", 2352 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2353 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2354 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2355 "(%04x != %04x) %d cmds since last error.\n", 2356 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2357 sc->cmdcount - sc->lasterr)); 2358 sc->lasterr = sc->cmdcount; 2359 /* 2360 * The sync byte test is a weak measure of packet 2361 * validity. Conservatively discard any input yet 2362 * to be seen by userland when we detect a sync 2363 * error since there is a good chance some of 2364 * the queued packets have undetected errors. 2365 */ 2366 dropqueue(sc); 2367 if (sc->syncerrors == 0) 2368 sc->pkterrors++; 2369 ++sc->syncerrors; 2370 sc->lastinputerr = now; 2371 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2372 sc->pkterrors >= pkterrthresh) { 2373 /* 2374 * If we've failed to find a single sync byte 2375 * in 2 packets worth of data, or we've seen 2376 * persistent packet errors during the 2377 * validation period, reinitialize the mouse 2378 * in hopes of returning it to the expected 2379 * mode. 2380 */ 2381 VLOG(3, (LOG_DEBUG, 2382 "psmintr: reset the mouse.\n")); 2383 reinitialize(sc, TRUE); 2384 } else if (sc->syncerrors == sc->mode.packetsize) { 2385 /* 2386 * Try a soft reset after searching for a sync 2387 * byte through a packet length of bytes. 2388 */ 2389 VLOG(3, (LOG_DEBUG, 2390 "psmintr: re-enable the mouse.\n")); 2391 pb->inputbytes = 0; 2392 disable_aux_dev(sc->kbdc); 2393 enable_aux_dev(sc->kbdc); 2394 } else { 2395 VLOG(3, (LOG_DEBUG, 2396 "psmintr: discard a byte (%d)\n", 2397 sc->syncerrors)); 2398 pb->inputbytes--; 2399 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2400 pb->inputbytes); 2401 } 2402 continue; 2403 } 2404 2405 /* 2406 * We have what appears to be a valid packet. 2407 * Reset the error counters. 2408 */ 2409 sc->syncerrors = 0; 2410 2411 /* 2412 * Drop even good packets if they occur within a timeout 2413 * period of a sync error. This allows the detection of 2414 * a change in the mouse's packet mode without exposing 2415 * erratic mouse behavior to the user. Some KVMs forget 2416 * enhanced mouse modes during switch events. 2417 */ 2418 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2419 &now)) { 2420 pb->inputbytes = 0; 2421 continue; 2422 } 2423 2424 /* 2425 * Now that we're out of the validation period, reset 2426 * the packet error count. 2427 */ 2428 sc->pkterrors = 0; 2429 2430 sc->cmdcount++; 2431 next: 2432 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2433 sc->pqueue_end = 0; 2434 /* 2435 * If we've filled the queue then call the softintr ourselves, 2436 * otherwise schedule the interrupt for later. 2437 */ 2438 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2439 (sc->pqueue_end == sc->pqueue_start)) { 2440 if ((sc->state & PSM_SOFTARMED) != 0) { 2441 sc->state &= ~PSM_SOFTARMED; 2442 callout_stop(&sc->softcallout); 2443 } 2444 psmsoftintr(arg); 2445 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2446 sc->state |= PSM_SOFTARMED; 2447 callout_reset(&sc->softcallout, 2448 psmhz < 1 ? 1 : (hz/psmhz), psmsoftintr, arg); 2449 } 2450 } 2451 } 2452 2453 static void 2454 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2455 int *x, int *y, int *z) 2456 { 2457 2458 /* 2459 * PS2++ protocol packet 2460 * 2461 * b7 b6 b5 b4 b3 b2 b1 b0 2462 * byte 1: * 1 p3 p2 1 * * * 2463 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2464 * 2465 * p3-p0: packet type 2466 * c1, c2: c1 & c2 == 1, if p2 == 0 2467 * c1 & c2 == 0, if p2 == 1 2468 * 2469 * packet type: 0 (device type) 2470 * See comments in enable_mmanplus() below. 2471 * 2472 * packet type: 1 (wheel data) 2473 * 2474 * b7 b6 b5 b4 b3 b2 b1 b0 2475 * byte 3: h * B5 B4 s d2 d1 d0 2476 * 2477 * h: 1, if horizontal roller data 2478 * 0, if vertical roller data 2479 * B4, B5: button 4 and 5 2480 * s: sign bit 2481 * d2-d0: roller data 2482 * 2483 * packet type: 2 (reserved) 2484 */ 2485 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2486 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2487 /* 2488 * the extended data packet encodes button 2489 * and wheel events 2490 */ 2491 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2492 case 1: 2493 /* wheel data packet */ 2494 *x = *y = 0; 2495 if (pb->ipacket[2] & 0x80) { 2496 /* XXX horizontal roller count - ignore it */ 2497 ; 2498 } else { 2499 /* vertical roller count */ 2500 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2501 (pb->ipacket[2] & 0x0f) - 16 : 2502 (pb->ipacket[2] & 0x0f); 2503 } 2504 ms->button |= (pb->ipacket[2] & 2505 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2506 MOUSE_BUTTON4DOWN : 0; 2507 ms->button |= (pb->ipacket[2] & 2508 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2509 MOUSE_BUTTON5DOWN : 0; 2510 break; 2511 case 2: 2512 /* 2513 * this packet type is reserved by 2514 * Logitech... 2515 */ 2516 /* 2517 * IBM ScrollPoint Mouse uses this 2518 * packet type to encode both vertical 2519 * and horizontal scroll movement. 2520 */ 2521 *x = *y = 0; 2522 /* horizontal count */ 2523 if (pb->ipacket[2] & 0x0f) 2524 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2525 -2 : 2; 2526 /* vertical count */ 2527 if (pb->ipacket[2] & 0xf0) 2528 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2529 -1 : 1; 2530 break; 2531 case 0: 2532 /* device type packet - shouldn't happen */ 2533 /* FALLTHROUGH */ 2534 default: 2535 *x = *y = 0; 2536 ms->button = ms->obutton; 2537 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2538 "type %d: 0x%02x 0x%02x 0x%02x\n", 2539 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2540 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2541 break; 2542 } 2543 } else { 2544 /* preserve button states */ 2545 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2546 } 2547 } 2548 2549 static int 2550 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2551 int *x, int *y, int *z) 2552 { 2553 static int touchpad_buttons; 2554 static int guest_buttons; 2555 int w, x0, y0; 2556 2557 /* TouchPad PS/2 absolute mode message format 2558 * 2559 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2560 * ------------------------------------------------ 2561 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2562 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2563 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2564 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2565 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2566 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2567 * 2568 * Legend: 2569 * L: left physical mouse button 2570 * R: right physical mouse button 2571 * D: down button 2572 * U: up button 2573 * W: "wrist" value 2574 * X: x position 2575 * Y: y position 2576 * Z: pressure 2577 * 2578 * Absolute reportable limits: 0 - 6143. 2579 * Typical bezel limits: 1472 - 5472. 2580 * Typical edge marings: 1632 - 5312. 2581 * 2582 * w = 3 Passthrough Packet 2583 * 2584 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2585 */ 2586 2587 if (!synaptics_support) 2588 return (0); 2589 2590 /* Sanity check for out of sync packets. */ 2591 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2592 (pb->ipacket[3] & 0xc8) != 0xc0) 2593 return (-1); 2594 2595 *x = *y = 0; 2596 2597 /* 2598 * Pressure value. 2599 * Interpretation: 2600 * z = 0 No finger contact 2601 * z = 10 Finger hovering near the pad 2602 * z = 30 Very light finger contact 2603 * z = 80 Normal finger contact 2604 * z = 110 Very heavy finger contact 2605 * z = 200 Finger lying flat on pad surface 2606 * z = 255 Maximum reportable Z 2607 */ 2608 *z = pb->ipacket[2]; 2609 2610 /* 2611 * Finger width value 2612 * Interpretation: 2613 * w = 0 Two finger on the pad (capMultiFinger needed) 2614 * w = 1 Three or more fingers (capMultiFinger needed) 2615 * w = 2 Pen (instead of finger) (capPen needed) 2616 * w = 3 Reserved (passthrough?) 2617 * w = 4-7 Finger of normal width (capPalmDetect needed) 2618 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2619 * w = 15 Maximum reportable width (capPalmDetect needed) 2620 */ 2621 /* XXX Is checking capExtended enough? */ 2622 if (sc->synhw.capExtended) 2623 w = ((pb->ipacket[0] & 0x30) >> 2) | 2624 ((pb->ipacket[0] & 0x04) >> 1) | 2625 ((pb->ipacket[3] & 0x04) >> 2); 2626 else { 2627 /* Assume a finger of regular width. */ 2628 w = 4; 2629 } 2630 2631 /* Handle packets from the guest device */ 2632 /* XXX Documentation? */ 2633 if (w == 3 && sc->synhw.capPassthrough) { 2634 *x = ((pb->ipacket[1] & 0x10) ? 2635 pb->ipacket[4] - 256 : pb->ipacket[4]); 2636 *y = ((pb->ipacket[1] & 0x20) ? 2637 pb->ipacket[5] - 256 : pb->ipacket[5]); 2638 *z = 0; 2639 2640 guest_buttons = 0; 2641 if (pb->ipacket[1] & 0x01) 2642 guest_buttons |= MOUSE_BUTTON1DOWN; 2643 if (pb->ipacket[1] & 0x04) 2644 guest_buttons |= MOUSE_BUTTON2DOWN; 2645 if (pb->ipacket[1] & 0x02) 2646 guest_buttons |= MOUSE_BUTTON3DOWN; 2647 2648 ms->button = touchpad_buttons | guest_buttons; 2649 goto SYNAPTICS_END; 2650 } 2651 2652 /* Button presses */ 2653 touchpad_buttons = 0; 2654 if (pb->ipacket[0] & 0x01) 2655 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2656 if (pb->ipacket[0] & 0x02) 2657 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2658 2659 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2660 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2661 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2662 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2663 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2664 } 2665 2666 /* 2667 * In newer pads - bit 0x02 in the third byte of 2668 * the packet indicates that we have an extended 2669 * button press. 2670 */ 2671 /* XXX Documentation? */ 2672 if (pb->ipacket[3] & 0x02) { 2673 /* 2674 * if directional_scrolls is not 1, we treat any of 2675 * the scrolling directions as middle-click. 2676 */ 2677 if (sc->syninfo.directional_scrolls) { 2678 if (pb->ipacket[4] & 0x01) 2679 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2680 if (pb->ipacket[5] & 0x01) 2681 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2682 if (pb->ipacket[4] & 0x02) 2683 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2684 if (pb->ipacket[5] & 0x02) 2685 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2686 } else { 2687 if ((pb->ipacket[4] & 0x0F) || 2688 (pb->ipacket[5] & 0x0F)) 2689 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2690 } 2691 } 2692 2693 ms->button = touchpad_buttons | guest_buttons; 2694 2695 /* Check pressure to detect a real wanted action on the 2696 * touchpad. */ 2697 if (*z >= sc->syninfo.min_pressure) { 2698 synapticsaction_t *synaction; 2699 int cursor, peer, window; 2700 int dx, dy, dxp, dyp; 2701 int max_width, max_pressure; 2702 int margin_top, margin_right, margin_bottom, margin_left; 2703 int na_top, na_right, na_bottom, na_left; 2704 int window_min, window_max; 2705 int multiplicator; 2706 int weight_current, weight_previous, weight_len_squared; 2707 int div_min, div_max, div_len; 2708 int vscroll_hor_area, vscroll_ver_area; 2709 2710 int len, weight_prev_x, weight_prev_y; 2711 int div_max_x, div_max_y, div_x, div_y; 2712 2713 /* Read sysctl. */ 2714 /* XXX Verify values? */ 2715 max_width = sc->syninfo.max_width; 2716 max_pressure = sc->syninfo.max_pressure; 2717 margin_top = sc->syninfo.margin_top; 2718 margin_right = sc->syninfo.margin_right; 2719 margin_bottom = sc->syninfo.margin_bottom; 2720 margin_left = sc->syninfo.margin_left; 2721 na_top = sc->syninfo.na_top; 2722 na_right = sc->syninfo.na_right; 2723 na_bottom = sc->syninfo.na_bottom; 2724 na_left = sc->syninfo.na_left; 2725 window_min = sc->syninfo.window_min; 2726 window_max = sc->syninfo.window_max; 2727 multiplicator = sc->syninfo.multiplicator; 2728 weight_current = sc->syninfo.weight_current; 2729 weight_previous = sc->syninfo.weight_previous; 2730 weight_len_squared = sc->syninfo.weight_len_squared; 2731 div_min = sc->syninfo.div_min; 2732 div_max = sc->syninfo.div_max; 2733 div_len = sc->syninfo.div_len; 2734 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2735 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2736 2737 /* Palm detection. */ 2738 if (!( 2739 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2740 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2741 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2742 (sc->synhw.capPen && w == 2))) { 2743 /* 2744 * We consider the packet irrelevant for the current 2745 * action when: 2746 * - the width isn't comprised in: 2747 * [4; max_width] 2748 * - the pressure isn't comprised in: 2749 * [min_pressure; max_pressure] 2750 * - pen aren't supported but w is 2 2751 * 2752 * Note that this doesn't terminate the current action. 2753 */ 2754 VLOG(2, (LOG_DEBUG, 2755 "synaptics: palm detected! (%d)\n", w)); 2756 goto SYNAPTICS_END; 2757 } 2758 2759 /* Read current absolute position. */ 2760 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2761 ((pb->ipacket[1] & 0x0f) << 8) | 2762 pb->ipacket[4]; 2763 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2764 ((pb->ipacket[1] & 0xf0) << 4) | 2765 pb->ipacket[5]; 2766 2767 synaction = &(sc->synaction); 2768 2769 /* 2770 * If the action is just beginning, init the structure and 2771 * compute tap timeout. 2772 */ 2773 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2774 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2775 2776 /* Store the first point of this action. */ 2777 synaction->start_x = x0; 2778 synaction->start_y = y0; 2779 dx = dy = 0; 2780 2781 /* Initialize queue. */ 2782 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2783 synaction->queue_len = 0; 2784 synaction->window_min = window_min; 2785 2786 /* Reset average. */ 2787 synaction->avg_dx = 0; 2788 synaction->avg_dy = 0; 2789 2790 /* Reset squelch. */ 2791 synaction->squelch_x = 0; 2792 synaction->squelch_y = 0; 2793 2794 /* Reset pressure peak. */ 2795 sc->zmax = 0; 2796 2797 /* Reset fingers count. */ 2798 synaction->fingers_nb = 0; 2799 2800 /* Reset virtual scrolling state. */ 2801 synaction->in_vscroll = 0; 2802 2803 /* Compute tap timeout. */ 2804 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2805 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2806 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2807 2808 sc->flags |= PSM_FLAGS_FINGERDOWN; 2809 } else { 2810 /* Calculate the current delta. */ 2811 cursor = synaction->queue_cursor; 2812 dx = x0 - synaction->queue[cursor].x; 2813 dy = y0 - synaction->queue[cursor].y; 2814 } 2815 2816 /* If in tap-hold, add the recorded button. */ 2817 if (synaction->in_taphold) 2818 ms->button |= synaction->tap_button; 2819 2820 /* 2821 * From now on, we can use the SYNAPTICS_END label to skip 2822 * the current packet. 2823 */ 2824 2825 /* 2826 * Limit the coordinates to the specified margins because 2827 * this area isn't very reliable. 2828 */ 2829 if (x0 <= margin_left) 2830 x0 = margin_left; 2831 else if (x0 >= 6143 - margin_right) 2832 x0 = 6143 - margin_right; 2833 if (y0 <= margin_bottom) 2834 y0 = margin_bottom; 2835 else if (y0 >= 6143 - margin_top) 2836 y0 = 6143 - margin_top; 2837 2838 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2839 x0, y0, *z, w)); 2840 2841 /* Queue this new packet. */ 2842 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2843 synaction->queue[cursor].x = x0; 2844 synaction->queue[cursor].y = y0; 2845 synaction->queue_cursor = cursor; 2846 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2847 synaction->queue_len++; 2848 VLOG(5, (LOG_DEBUG, 2849 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2850 cursor, x0, y0, dx, dy)); 2851 2852 /* 2853 * For tap, we keep the maximum number of fingers and the 2854 * pressure peak. Also with multiple fingers, we increase 2855 * the minimum window. 2856 */ 2857 switch (w) { 2858 case 1: /* Three or more fingers. */ 2859 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2860 synaction->window_min = window_max; 2861 break; 2862 case 0: /* Two fingers. */ 2863 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2864 synaction->window_min = window_max; 2865 break; 2866 default: /* One finger or undetectable. */ 2867 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2868 } 2869 sc->zmax = imax(*z, sc->zmax); 2870 2871 /* Do we have enough packets to consider this a movement? */ 2872 if (synaction->queue_len < synaction->window_min) 2873 goto SYNAPTICS_END; 2874 2875 /* Is a scrolling action occuring? */ 2876 if (!synaction->in_taphold && !synaction->in_vscroll) { 2877 /* 2878 * A scrolling action must not conflict with a tap 2879 * action. Here are the conditions to consider a 2880 * scrolling action: 2881 * - the action in a configurable area 2882 * - one of the following: 2883 * . the distance between the last packet and the 2884 * first should be above a configurable minimum 2885 * . tap timed out 2886 */ 2887 dxp = abs(synaction->queue[synaction->queue_cursor].x - 2888 synaction->start_x); 2889 dyp = abs(synaction->queue[synaction->queue_cursor].y - 2890 synaction->start_y); 2891 2892 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 2893 dxp >= sc->syninfo.vscroll_min_delta || 2894 dyp >= sc->syninfo.vscroll_min_delta) { 2895 /* Check for horizontal scrolling. */ 2896 if ((vscroll_hor_area > 0 && 2897 synaction->start_y <= vscroll_hor_area) || 2898 (vscroll_hor_area < 0 && 2899 synaction->start_y >= 2900 6143 + vscroll_hor_area)) 2901 synaction->in_vscroll += 2; 2902 2903 /* Check for vertical scrolling. */ 2904 if ((vscroll_ver_area > 0 && 2905 synaction->start_x <= vscroll_ver_area) || 2906 (vscroll_ver_area < 0 && 2907 synaction->start_x >= 2908 6143 + vscroll_ver_area)) 2909 synaction->in_vscroll += 1; 2910 2911 /* Avoid conflicts if area overlaps. */ 2912 if (synaction->in_vscroll == 3) 2913 synaction->in_vscroll = 2914 (dxp > dyp) ? 2 : 1; 2915 } 2916 VLOG(5, (LOG_DEBUG, 2917 "synaptics: virtual scrolling: %s " 2918 "(direction=%d, dxp=%d, dyp=%d)\n", 2919 synaction->in_vscroll ? "YES" : "NO", 2920 synaction->in_vscroll, dxp, dyp)); 2921 } 2922 2923 weight_prev_x = weight_prev_y = weight_previous; 2924 div_max_x = div_max_y = div_max; 2925 2926 if (synaction->in_vscroll) { 2927 /* Dividers are different with virtual scrolling. */ 2928 div_min = sc->syninfo.vscroll_div_min; 2929 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 2930 } else { 2931 /* 2932 * There's a lot of noise in coordinates when 2933 * the finger is on the touchpad's borders. When 2934 * using this area, we apply a special weight and 2935 * div. 2936 */ 2937 if (x0 <= na_left || x0 >= 6143 - na_right) { 2938 weight_prev_x = sc->syninfo.weight_previous_na; 2939 div_max_x = sc->syninfo.div_max_na; 2940 } 2941 2942 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 2943 weight_prev_y = sc->syninfo.weight_previous_na; 2944 div_max_y = sc->syninfo.div_max_na; 2945 } 2946 } 2947 2948 /* 2949 * Calculate weights for the average operands and 2950 * the divisor. Both depend on the distance between 2951 * the current packet and a previous one (based on the 2952 * window width). 2953 */ 2954 window = imin(synaction->queue_len, window_max); 2955 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 2956 dxp = abs(x0 - synaction->queue[peer].x) + 1; 2957 dyp = abs(y0 - synaction->queue[peer].y) + 1; 2958 len = (dxp * dxp) + (dyp * dyp); 2959 weight_prev_x = imin(weight_prev_x, 2960 weight_len_squared * weight_prev_x / len); 2961 weight_prev_y = imin(weight_prev_y, 2962 weight_len_squared * weight_prev_y / len); 2963 2964 len = (dxp + dyp) / 2; 2965 div_x = div_len * div_max_x / len; 2966 div_x = imin(div_max_x, div_x); 2967 div_x = imax(div_min, div_x); 2968 div_y = div_len * div_max_y / len; 2969 div_y = imin(div_max_y, div_y); 2970 div_y = imax(div_min, div_y); 2971 2972 VLOG(3, (LOG_DEBUG, 2973 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 2974 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 2975 2976 /* Compute averages. */ 2977 synaction->avg_dx = 2978 (weight_current * dx * multiplicator + 2979 weight_prev_x * synaction->avg_dx) / 2980 (weight_current + weight_prev_x); 2981 2982 synaction->avg_dy = 2983 (weight_current * dy * multiplicator + 2984 weight_prev_y * synaction->avg_dy) / 2985 (weight_current + weight_prev_y); 2986 2987 VLOG(5, (LOG_DEBUG, 2988 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 2989 synaction->avg_dx / multiplicator, 2990 synaction->avg_dy / multiplicator)); 2991 2992 /* Use these averages to calculate x & y. */ 2993 synaction->squelch_x += synaction->avg_dx; 2994 *x = synaction->squelch_x / (div_x * multiplicator); 2995 synaction->squelch_x = synaction->squelch_x % 2996 (div_x * multiplicator); 2997 2998 synaction->squelch_y += synaction->avg_dy; 2999 *y = synaction->squelch_y / (div_y * multiplicator); 3000 synaction->squelch_y = synaction->squelch_y % 3001 (div_y * multiplicator); 3002 3003 if (synaction->in_vscroll) { 3004 switch(synaction->in_vscroll) { 3005 case 1: /* Vertical scrolling. */ 3006 if (*y != 0) 3007 ms->button |= (*y > 0) ? 3008 MOUSE_BUTTON4DOWN : 3009 MOUSE_BUTTON5DOWN; 3010 break; 3011 case 2: /* Horizontal scrolling. */ 3012 if (*x != 0) 3013 ms->button |= (*x > 0) ? 3014 MOUSE_BUTTON7DOWN : 3015 MOUSE_BUTTON6DOWN; 3016 break; 3017 } 3018 3019 /* The pointer is not moved. */ 3020 *x = *y = 0; 3021 } else { 3022 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3023 dx, dy, *x, *y)); 3024 } 3025 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3026 /* 3027 * An action is currently taking place but the pressure 3028 * dropped under the minimum, putting an end to it. 3029 */ 3030 synapticsaction_t *synaction; 3031 int taphold_timeout, dx, dy, tap_max_delta; 3032 3033 synaction = &(sc->synaction); 3034 dx = abs(synaction->queue[synaction->queue_cursor].x - 3035 synaction->start_x); 3036 dy = abs(synaction->queue[synaction->queue_cursor].y - 3037 synaction->start_y); 3038 3039 /* Max delta is disabled for multi-fingers tap. */ 3040 if (synaction->fingers_nb > 1) 3041 tap_max_delta = imax(dx, dy); 3042 else 3043 tap_max_delta = sc->syninfo.tap_max_delta; 3044 3045 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3046 3047 /* Check for tap. */ 3048 VLOG(3, (LOG_DEBUG, 3049 "synaptics: zmax=%d, dx=%d, dy=%d, " 3050 "delta=%d, fingers=%d, queue=%d\n", 3051 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3052 synaction->queue_len)); 3053 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3054 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3055 dx <= tap_max_delta && dy <= tap_max_delta && 3056 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3057 /* 3058 * We have a tap if: 3059 * - the maximum pressure went over tap_threshold 3060 * - the action ended before tap_timeout 3061 * 3062 * To handle tap-hold, we must delay any button push to 3063 * the next action. 3064 */ 3065 if (synaction->in_taphold) { 3066 /* 3067 * This is the second and last tap of a 3068 * double tap action, not a tap-hold. 3069 */ 3070 synaction->in_taphold = 0; 3071 3072 /* 3073 * For double-tap to work: 3074 * - no button press is emitted (to 3075 * simulate a button release) 3076 * - PSM_FLAGS_FINGERDOWN is set to 3077 * force the next packet to emit a 3078 * button press) 3079 */ 3080 VLOG(2, (LOG_DEBUG, 3081 "synaptics: button RELEASE: %d\n", 3082 synaction->tap_button)); 3083 sc->flags |= PSM_FLAGS_FINGERDOWN; 3084 } else { 3085 /* 3086 * This is the first tap: we set the 3087 * tap-hold state and notify the button 3088 * down event. 3089 */ 3090 synaction->in_taphold = 1; 3091 taphold_timeout = sc->syninfo.taphold_timeout; 3092 sc->taptimeout.tv_sec = taphold_timeout / 3093 1000000; 3094 sc->taptimeout.tv_usec = taphold_timeout % 3095 1000000; 3096 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3097 3098 switch (synaction->fingers_nb) { 3099 case 3: 3100 synaction->tap_button = 3101 MOUSE_BUTTON2DOWN; 3102 break; 3103 case 2: 3104 synaction->tap_button = 3105 MOUSE_BUTTON3DOWN; 3106 break; 3107 default: 3108 synaction->tap_button = 3109 MOUSE_BUTTON1DOWN; 3110 } 3111 VLOG(2, (LOG_DEBUG, 3112 "synaptics: button PRESS: %d\n", 3113 synaction->tap_button)); 3114 ms->button |= synaction->tap_button; 3115 } 3116 } else { 3117 /* 3118 * Not enough pressure or timeout: reset 3119 * tap-hold state. 3120 */ 3121 if (synaction->in_taphold) { 3122 VLOG(2, (LOG_DEBUG, 3123 "synaptics: button RELEASE: %d\n", 3124 synaction->tap_button)); 3125 synaction->in_taphold = 0; 3126 } else { 3127 VLOG(2, (LOG_DEBUG, 3128 "synaptics: not a tap-hold\n")); 3129 } 3130 } 3131 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3132 sc->synaction.in_taphold) { 3133 /* 3134 * For a tap-hold to work, the button must remain down at 3135 * least until timeout (where the in_taphold flags will be 3136 * cleared) or during the next action. 3137 */ 3138 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3139 ms->button |= sc->synaction.tap_button; 3140 } else { 3141 VLOG(2, (LOG_DEBUG, 3142 "synaptics: button RELEASE: %d\n", 3143 sc->synaction.tap_button)); 3144 sc->synaction.in_taphold = 0; 3145 } 3146 } 3147 3148 SYNAPTICS_END: 3149 /* 3150 * Use the extra buttons as a scrollwheel 3151 * 3152 * XXX X.Org uses the Z axis for vertical wheel only, 3153 * whereas moused(8) understands special values to differ 3154 * vertical and horizontal wheels. 3155 * 3156 * xf86-input-mouse needs therefore a small patch to 3157 * understand these special values. Without it, the 3158 * horizontal wheel acts as a vertical wheel in X.Org. 3159 * 3160 * That's why the horizontal wheel is disabled by 3161 * default for now. 3162 */ 3163 if (ms->button & MOUSE_BUTTON4DOWN) { 3164 *z = -1; 3165 ms->button &= ~MOUSE_BUTTON4DOWN; 3166 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3167 *z = 1; 3168 ms->button &= ~MOUSE_BUTTON5DOWN; 3169 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3170 *z = -2; 3171 ms->button &= ~MOUSE_BUTTON6DOWN; 3172 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3173 *z = 2; 3174 ms->button &= ~MOUSE_BUTTON7DOWN; 3175 } else 3176 *z = 0; 3177 3178 return (0); 3179 } 3180 3181 static void 3182 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3183 int *x, int *y, int *z) 3184 { 3185 static int butmap_versapad[8] = { 3186 0, 3187 MOUSE_BUTTON3DOWN, 3188 0, 3189 MOUSE_BUTTON3DOWN, 3190 MOUSE_BUTTON1DOWN, 3191 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3192 MOUSE_BUTTON1DOWN, 3193 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3194 }; 3195 int c, x0, y0; 3196 3197 /* VersaPad PS/2 absolute mode message format 3198 * 3199 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3200 * ipacket[0]: 1 1 0 A 1 L T R 3201 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3202 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3203 * ipacket[3]: 1 1 1 A 1 L T R 3204 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3205 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3206 * 3207 * [note] 3208 * R: right physical mouse button (1=on) 3209 * T: touch pad virtual button (1=tapping) 3210 * L: left physical mouse button (1=on) 3211 * A: position data is valid (1=valid) 3212 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3213 * V: vertical data (12bit signed integer. V11 is sign bit.) 3214 * P: pressure data 3215 * 3216 * Tapping is mapped to MOUSE_BUTTON4. 3217 */ 3218 c = pb->ipacket[0]; 3219 *x = *y = 0; 3220 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3221 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3222 if (c & MOUSE_PS2VERSA_IN_USE) { 3223 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3224 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3225 if (x0 & 0x800) 3226 x0 -= 0x1000; 3227 if (y0 & 0x800) 3228 y0 -= 0x1000; 3229 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3230 *x = sc->xold - x0; 3231 *y = y0 - sc->yold; 3232 if (*x < 0) /* XXX */ 3233 ++*x; 3234 else if (*x) 3235 --*x; 3236 if (*y < 0) 3237 ++*y; 3238 else if (*y) 3239 --*y; 3240 } else 3241 sc->flags |= PSM_FLAGS_FINGERDOWN; 3242 sc->xold = x0; 3243 sc->yold = y0; 3244 } else 3245 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3246 } 3247 3248 static void 3249 psmsoftintr(void *arg) 3250 { 3251 /* 3252 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3253 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3254 */ 3255 static int butmap[8] = { 3256 0, 3257 MOUSE_BUTTON1DOWN, 3258 MOUSE_BUTTON3DOWN, 3259 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3260 MOUSE_BUTTON2DOWN, 3261 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3262 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3263 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3264 }; 3265 struct psm_softc *sc = arg; 3266 mousestatus_t ms; 3267 packetbuf_t *pb; 3268 int x, y, z, c, l, s; 3269 3270 getmicrouptime(&sc->lastsoftintr); 3271 3272 s = spltty(); 3273 3274 do { 3275 pb = &sc->pqueue[sc->pqueue_start]; 3276 3277 if (sc->mode.level == PSM_LEVEL_NATIVE) 3278 goto next_native; 3279 3280 c = pb->ipacket[0]; 3281 /* 3282 * A kludge for Kensington device! 3283 * The MSB of the horizontal count appears to be stored in 3284 * a strange place. 3285 */ 3286 if (sc->hw.model == MOUSE_MODEL_THINK) 3287 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3288 3289 /* ignore the overflow bits... */ 3290 x = (c & MOUSE_PS2_XNEG) ? 3291 pb->ipacket[1] - 256 : pb->ipacket[1]; 3292 y = (c & MOUSE_PS2_YNEG) ? 3293 pb->ipacket[2] - 256 : pb->ipacket[2]; 3294 z = 0; 3295 ms.obutton = sc->button; /* previous button state */ 3296 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3297 /* `tapping' action */ 3298 if (sc->config & PSM_CONFIG_FORCETAP) 3299 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3300 0 : MOUSE_BUTTON4DOWN; 3301 3302 switch (sc->hw.model) { 3303 3304 case MOUSE_MODEL_EXPLORER: 3305 /* 3306 * b7 b6 b5 b4 b3 b2 b1 b0 3307 * byte 1: oy ox sy sx 1 M R L 3308 * byte 2: x x x x x x x x 3309 * byte 3: y y y y y y y y 3310 * byte 4: * * S2 S1 s d2 d1 d0 3311 * 3312 * L, M, R, S1, S2: left, middle, right and side buttons 3313 * s: wheel data sign bit 3314 * d2-d0: wheel data 3315 */ 3316 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3317 (pb->ipacket[3] & 0x0f) - 16 : 3318 (pb->ipacket[3] & 0x0f); 3319 ms.button |= 3320 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3321 MOUSE_BUTTON4DOWN : 0; 3322 ms.button |= 3323 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3324 MOUSE_BUTTON5DOWN : 0; 3325 break; 3326 3327 case MOUSE_MODEL_INTELLI: 3328 case MOUSE_MODEL_NET: 3329 /* wheel data is in the fourth byte */ 3330 z = (char)pb->ipacket[3]; 3331 /* 3332 * XXX some mice may send 7 when there is no Z movement? */ 3333 if ((z >= 7) || (z <= -7)) 3334 z = 0; 3335 /* some compatible mice have additional buttons */ 3336 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3337 MOUSE_BUTTON4DOWN : 0; 3338 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3339 MOUSE_BUTTON5DOWN : 0; 3340 break; 3341 3342 case MOUSE_MODEL_MOUSEMANPLUS: 3343 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3344 break; 3345 3346 case MOUSE_MODEL_GLIDEPOINT: 3347 /* `tapping' action */ 3348 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3349 MOUSE_BUTTON4DOWN; 3350 break; 3351 3352 case MOUSE_MODEL_NETSCROLL: 3353 /* 3354 * three addtional bytes encode buttons and 3355 * wheel events 3356 */ 3357 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3358 MOUSE_BUTTON4DOWN : 0; 3359 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3360 MOUSE_BUTTON5DOWN : 0; 3361 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3362 pb->ipacket[4] - 256 : pb->ipacket[4]; 3363 break; 3364 3365 case MOUSE_MODEL_THINK: 3366 /* the fourth button state in the first byte */ 3367 ms.button |= (c & MOUSE_PS2_TAP) ? 3368 MOUSE_BUTTON4DOWN : 0; 3369 break; 3370 3371 case MOUSE_MODEL_VERSAPAD: 3372 proc_versapad(sc, pb, &ms, &x, &y, &z); 3373 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3374 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3375 break; 3376 3377 case MOUSE_MODEL_4D: 3378 /* 3379 * b7 b6 b5 b4 b3 b2 b1 b0 3380 * byte 1: s2 d2 s1 d1 1 M R L 3381 * byte 2: sx x x x x x x x 3382 * byte 3: sy y y y y y y y 3383 * 3384 * s1: wheel 1 direction 3385 * d1: wheel 1 data 3386 * s2: wheel 2 direction 3387 * d2: wheel 2 data 3388 */ 3389 x = (pb->ipacket[1] & 0x80) ? 3390 pb->ipacket[1] - 256 : pb->ipacket[1]; 3391 y = (pb->ipacket[2] & 0x80) ? 3392 pb->ipacket[2] - 256 : pb->ipacket[2]; 3393 switch (c & MOUSE_4D_WHEELBITS) { 3394 case 0x10: 3395 z = 1; 3396 break; 3397 case 0x30: 3398 z = -1; 3399 break; 3400 case 0x40: /* XXX 2nd wheel turning right */ 3401 z = 2; 3402 break; 3403 case 0xc0: /* XXX 2nd wheel turning left */ 3404 z = -2; 3405 break; 3406 } 3407 break; 3408 3409 case MOUSE_MODEL_4DPLUS: 3410 if ((x < 16 - 256) && (y < 16 - 256)) { 3411 /* 3412 * b7 b6 b5 b4 b3 b2 b1 b0 3413 * byte 1: 0 0 1 1 1 M R L 3414 * byte 2: 0 0 0 0 1 0 0 0 3415 * byte 3: 0 0 0 0 S s d1 d0 3416 * 3417 * L, M, R, S: left, middle, right, 3418 * and side buttons 3419 * s: wheel data sign bit 3420 * d1-d0: wheel data 3421 */ 3422 x = y = 0; 3423 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3424 ms.button |= MOUSE_BUTTON4DOWN; 3425 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3426 ((pb->ipacket[2] & 0x07) - 8) : 3427 (pb->ipacket[2] & 0x07) ; 3428 } else { 3429 /* preserve previous button states */ 3430 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3431 } 3432 break; 3433 3434 case MOUSE_MODEL_SYNAPTICS: 3435 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3436 goto next; 3437 break; 3438 3439 case MOUSE_MODEL_GENERIC: 3440 default: 3441 break; 3442 } 3443 3444 /* scale values */ 3445 if (sc->mode.accelfactor >= 1) { 3446 if (x != 0) { 3447 x = x * x / sc->mode.accelfactor; 3448 if (x == 0) 3449 x = 1; 3450 if (c & MOUSE_PS2_XNEG) 3451 x = -x; 3452 } 3453 if (y != 0) { 3454 y = y * y / sc->mode.accelfactor; 3455 if (y == 0) 3456 y = 1; 3457 if (c & MOUSE_PS2_YNEG) 3458 y = -y; 3459 } 3460 } 3461 3462 ms.dx = x; 3463 ms.dy = y; 3464 ms.dz = z; 3465 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3466 (ms.obutton ^ ms.button); 3467 3468 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3469 3470 sc->status.flags |= ms.flags; 3471 sc->status.dx += ms.dx; 3472 sc->status.dy += ms.dy; 3473 sc->status.dz += ms.dz; 3474 sc->status.button = ms.button; 3475 sc->button = ms.button; 3476 3477 next_native: 3478 sc->watchdog = FALSE; 3479 3480 /* queue data */ 3481 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3482 l = imin(pb->inputbytes, 3483 sizeof(sc->queue.buf) - sc->queue.tail); 3484 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3485 if (pb->inputbytes > l) 3486 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3487 pb->inputbytes - l); 3488 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3489 sizeof(sc->queue.buf); 3490 sc->queue.count += pb->inputbytes; 3491 } 3492 pb->inputbytes = 0; 3493 3494 next: 3495 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3496 sc->pqueue_start = 0; 3497 } while (sc->pqueue_start != sc->pqueue_end); 3498 3499 if (sc->state & PSM_ASLP) { 3500 sc->state &= ~PSM_ASLP; 3501 wakeup(sc); 3502 } 3503 selwakeuppri(&sc->rsel, PZERO); 3504 if (sc->async != NULL) { 3505 pgsigio(&sc->async, SIGIO, 0); 3506 } 3507 sc->state &= ~PSM_SOFTARMED; 3508 splx(s); 3509 } 3510 3511 static int 3512 psmpoll(struct cdev *dev, int events, struct thread *td) 3513 { 3514 struct psm_softc *sc = dev->si_drv1; 3515 int s; 3516 int revents = 0; 3517 3518 /* Return true if a mouse event available */ 3519 s = spltty(); 3520 if (events & (POLLIN | POLLRDNORM)) { 3521 if (sc->queue.count > 0) 3522 revents |= events & (POLLIN | POLLRDNORM); 3523 else 3524 selrecord(td, &sc->rsel); 3525 } 3526 splx(s); 3527 3528 return (revents); 3529 } 3530 3531 /* vendor/model specific routines */ 3532 3533 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3534 { 3535 if (set_mouse_resolution(kbdc, res) != res) 3536 return (FALSE); 3537 if (set_mouse_scaling(kbdc, scale) && 3538 set_mouse_scaling(kbdc, scale) && 3539 set_mouse_scaling(kbdc, scale) && 3540 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3541 return (TRUE); 3542 return (FALSE); 3543 } 3544 3545 static int 3546 mouse_ext_command(KBDC kbdc, int command) 3547 { 3548 int c; 3549 3550 c = (command >> 6) & 0x03; 3551 if (set_mouse_resolution(kbdc, c) != c) 3552 return (FALSE); 3553 c = (command >> 4) & 0x03; 3554 if (set_mouse_resolution(kbdc, c) != c) 3555 return (FALSE); 3556 c = (command >> 2) & 0x03; 3557 if (set_mouse_resolution(kbdc, c) != c) 3558 return (FALSE); 3559 c = (command >> 0) & 0x03; 3560 if (set_mouse_resolution(kbdc, c) != c) 3561 return (FALSE); 3562 return (TRUE); 3563 } 3564 3565 #ifdef notyet 3566 /* Logitech MouseMan Cordless II */ 3567 static int 3568 enable_lcordless(KDBC kbdc, struct psm_softc *sc) 3569 { 3570 int status[3]; 3571 int ch; 3572 3573 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 2, status)) 3574 return (FALSE); 3575 if (status[1] == PSMD_RES_HIGH) 3576 return (FALSE); 3577 ch = (status[0] & 0x07) - 1; /* channel # */ 3578 if ((ch <= 0) || (ch > 4)) 3579 return (FALSE); 3580 /* 3581 * status[1]: always one? 3582 * status[2]: battery status? (0-100) 3583 */ 3584 return (TRUE); 3585 } 3586 #endif /* notyet */ 3587 3588 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3589 static int 3590 enable_groller(KBDC kbdc, struct psm_softc *sc) 3591 { 3592 int status[3]; 3593 3594 /* 3595 * The special sequence to enable the fourth button and the 3596 * roller. Immediately after this sequence check status bytes. 3597 * if the mouse is NetScroll, the second and the third bytes are 3598 * '3' and 'D'. 3599 */ 3600 3601 /* 3602 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3603 * look like the following. 3604 * 3605 * byte 1 bit 7 always 0 3606 * bit 6 stream mode (0) 3607 * bit 5 disabled (0) 3608 * bit 4 1:1 scaling (0) 3609 * bit 3 always 0 3610 * bit 0-2 button status 3611 * byte 2 resolution (PSMD_RES_HIGH) 3612 * byte 3 report rate (?) 3613 */ 3614 3615 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 3616 return (FALSE); 3617 if ((status[1] != '3') || (status[2] != 'D')) 3618 return (FALSE); 3619 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3620 if (sc != NULL) 3621 sc->hw.buttons = 4; 3622 return (TRUE); 3623 } 3624 3625 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3626 static int 3627 enable_gmouse(KBDC kbdc, struct psm_softc *sc) 3628 { 3629 int status[3]; 3630 3631 /* 3632 * The special sequence to enable the middle, "rubber" button. 3633 * Immediately after this sequence check status bytes. 3634 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3635 * the second and the third bytes are '3' and 'U'. 3636 * NOTE: NetMouse reports that it has three buttons although it has 3637 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3638 * say they have three buttons too and they do have a button on the 3639 * side... 3640 */ 3641 if (!mouse_id_proc1(kbdc, PSMD_RES_HIGH, 1, status)) 3642 return (FALSE); 3643 if ((status[1] != '3') || (status[2] != 'U')) 3644 return (FALSE); 3645 return (TRUE); 3646 } 3647 3648 /* ALPS GlidePoint */ 3649 static int 3650 enable_aglide(KBDC kbdc, struct psm_softc *sc) 3651 { 3652 int status[3]; 3653 3654 /* 3655 * The special sequence to obtain ALPS GlidePoint specific 3656 * information. Immediately after this sequence, status bytes will 3657 * contain something interesting. 3658 * NOTE: ALPS produces several models of GlidePoint. Some of those 3659 * do not respond to this sequence, thus, cannot be detected this way. 3660 */ 3661 if (set_mouse_sampling_rate(kbdc, 100) != 100) 3662 return (FALSE); 3663 if (!mouse_id_proc1(kbdc, PSMD_RES_LOW, 2, status)) 3664 return (FALSE); 3665 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3666 return (FALSE); 3667 return (TRUE); 3668 } 3669 3670 /* Kensington ThinkingMouse/Trackball */ 3671 static int 3672 enable_kmouse(KBDC kbdc, struct psm_softc *sc) 3673 { 3674 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3675 int status[3]; 3676 int id1; 3677 int id2; 3678 int i; 3679 3680 id1 = get_aux_id(kbdc); 3681 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3682 return (FALSE); 3683 /* 3684 * The device is now in the native mode? It returns a different 3685 * ID value... 3686 */ 3687 id2 = get_aux_id(kbdc); 3688 if ((id1 == id2) || (id2 != 2)) 3689 return (FALSE); 3690 3691 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3692 return (FALSE); 3693 #if PSM_DEBUG >= 2 3694 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3695 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3696 return (FALSE); 3697 #endif 3698 3699 /* 3700 * The special sequence to enable the third and fourth buttons. 3701 * Otherwise they behave like the first and second buttons. 3702 */ 3703 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3704 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3705 return (FALSE); 3706 3707 /* 3708 * At this point, the device is using default resolution and 3709 * sampling rate for the native mode. 3710 */ 3711 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3712 return (FALSE); 3713 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3714 return (FALSE); 3715 3716 /* the device appears be enabled by this sequence, diable it for now */ 3717 disable_aux_dev(kbdc); 3718 empty_aux_buffer(kbdc, 5); 3719 3720 return (TRUE); 3721 } 3722 3723 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3724 static int 3725 enable_mmanplus(KBDC kbdc, struct psm_softc *sc) 3726 { 3727 int data[3]; 3728 3729 /* the special sequence to enable the fourth button and the roller. */ 3730 /* 3731 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3732 * must be called exactly three times since the last RESET command 3733 * before this sequence. XXX 3734 */ 3735 if (!set_mouse_scaling(kbdc, 1)) 3736 return (FALSE); 3737 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3738 return (FALSE); 3739 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3740 return (FALSE); 3741 3742 /* 3743 * PS2++ protocol, packet type 0 3744 * 3745 * b7 b6 b5 b4 b3 b2 b1 b0 3746 * byte 1: * 1 p3 p2 1 * * * 3747 * byte 2: 1 1 p1 p0 m1 m0 1 0 3748 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3749 * 3750 * p3-p0: packet type: 0 3751 * m7-m0: model ID: MouseMan+:0x50, 3752 * FirstMouse+:0x51, 3753 * ScrollPoint:0x58... 3754 */ 3755 /* check constant bits */ 3756 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3757 return (FALSE); 3758 if ((data[1] & 0xc3) != 0xc2) 3759 return (FALSE); 3760 /* check d3-d0 in byte 2 */ 3761 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3762 return (FALSE); 3763 /* check p3-p0 */ 3764 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3765 return (FALSE); 3766 3767 if (sc != NULL) { 3768 sc->hw.hwid &= 0x00ff; 3769 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3770 } 3771 3772 /* 3773 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3774 * the wheel and the fourth button events are encoded in the 3775 * special data packet. The mouse may be put in the IntelliMouse mode 3776 * if it is initialized by the IntelliMouse's method. 3777 */ 3778 return (TRUE); 3779 } 3780 3781 /* MS IntelliMouse Explorer */ 3782 static int 3783 enable_msexplorer(KBDC kbdc, struct psm_softc *sc) 3784 { 3785 static u_char rate0[] = { 200, 100, 80, }; 3786 static u_char rate1[] = { 200, 200, 80, }; 3787 int id; 3788 int i; 3789 3790 /* 3791 * This is needed for at least A4Tech X-7xx mice - they do not go 3792 * straight to Explorer mode, but need to be set to Intelli mode 3793 * first. 3794 */ 3795 enable_msintelli(kbdc, sc); 3796 3797 /* the special sequence to enable the extra buttons and the roller. */ 3798 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) 3799 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3800 return (FALSE); 3801 /* the device will give the genuine ID only after the above sequence */ 3802 id = get_aux_id(kbdc); 3803 if (id != PSM_EXPLORER_ID) 3804 return (FALSE); 3805 3806 if (sc != NULL) { 3807 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3808 sc->hw.hwid = id; 3809 } 3810 3811 /* 3812 * XXX: this is a kludge to fool some KVM switch products 3813 * which think they are clever enough to know the 4-byte IntelliMouse 3814 * protocol, and assume any other protocols use 3-byte packets. 3815 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3816 * correctly to the host computer because of this! 3817 * The following sequence is actually IntelliMouse's "wake up" 3818 * sequence; it will make the KVM think the mouse is IntelliMouse 3819 * when it is in fact IntelliMouse Explorer. 3820 */ 3821 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) 3822 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3823 break; 3824 get_aux_id(kbdc); 3825 3826 return (TRUE); 3827 } 3828 3829 /* MS IntelliMouse */ 3830 static int 3831 enable_msintelli(KBDC kbdc, struct psm_softc *sc) 3832 { 3833 /* 3834 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3835 * probe routine and act like IntelliMouse. 3836 */ 3837 3838 static u_char rate[] = { 200, 100, 80, }; 3839 int id; 3840 int i; 3841 3842 /* the special sequence to enable the third button and the roller. */ 3843 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3844 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3845 return (FALSE); 3846 /* the device will give the genuine ID only after the above sequence */ 3847 id = get_aux_id(kbdc); 3848 if (id != PSM_INTELLI_ID) 3849 return (FALSE); 3850 3851 if (sc != NULL) { 3852 sc->hw.buttons = 3; 3853 sc->hw.hwid = id; 3854 } 3855 3856 return (TRUE); 3857 } 3858 3859 /* A4 Tech 4D Mouse */ 3860 static int 3861 enable_4dmouse(KBDC kbdc, struct psm_softc *sc) 3862 { 3863 /* 3864 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3865 */ 3866 3867 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3868 int id; 3869 int i; 3870 3871 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3872 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3873 return (FALSE); 3874 id = get_aux_id(kbdc); 3875 /* 3876 * WinEasy 4D, 4 Way Scroll 4D: 6 3877 * Cable-Free 4D: 8 (4DPLUS) 3878 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3879 */ 3880 if (id != PSM_4DMOUSE_ID) 3881 return (FALSE); 3882 3883 if (sc != NULL) { 3884 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3885 sc->hw.hwid = id; 3886 } 3887 3888 return (TRUE); 3889 } 3890 3891 /* A4 Tech 4D+ Mouse */ 3892 static int 3893 enable_4dplus(KBDC kbdc, struct psm_softc *sc) 3894 { 3895 /* 3896 * Newer wheel mice from A4 Tech seem to use this protocol. 3897 * Older models are recognized as either 4D Mouse or IntelliMouse. 3898 */ 3899 int id; 3900 3901 /* 3902 * enable_4dmouse() already issued the following ID sequence... 3903 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3904 int i; 3905 3906 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3907 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3908 return (FALSE); 3909 */ 3910 3911 id = get_aux_id(kbdc); 3912 switch (id) { 3913 case PSM_4DPLUS_ID: 3914 break; 3915 case PSM_4DPLUS_RFSW35_ID: 3916 break; 3917 default: 3918 return (FALSE); 3919 } 3920 3921 if (sc != NULL) { 3922 sc->hw.buttons = (id == PSM_4DPLUS_ID) ? 4 : 3; 3923 sc->hw.hwid = id; 3924 } 3925 3926 return (TRUE); 3927 } 3928 3929 /* Synaptics Touchpad */ 3930 static int 3931 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 3932 { 3933 int error, arg; 3934 3935 /* Read the current value. */ 3936 arg = *(int *)oidp->oid_arg1; 3937 error = sysctl_handle_int(oidp, &arg, 0, req); 3938 3939 /* Sanity check. */ 3940 if (error || !req->newptr) 3941 return (error); 3942 3943 /* 3944 * Check that the new value is in the concerned node's range 3945 * of values. 3946 */ 3947 switch (oidp->oid_arg2) { 3948 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 3949 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 3950 if (arg < 0 || arg > 255) 3951 return (EINVAL); 3952 break; 3953 case SYNAPTICS_SYSCTL_MAX_WIDTH: 3954 if (arg < 4 || arg > 15) 3955 return (EINVAL); 3956 break; 3957 case SYNAPTICS_SYSCTL_MARGIN_TOP: 3958 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 3959 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 3960 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 3961 case SYNAPTICS_SYSCTL_NA_TOP: 3962 case SYNAPTICS_SYSCTL_NA_RIGHT: 3963 case SYNAPTICS_SYSCTL_NA_BOTTOM: 3964 case SYNAPTICS_SYSCTL_NA_LEFT: 3965 if (arg < 0 || arg > 6143) 3966 return (EINVAL); 3967 break; 3968 case SYNAPTICS_SYSCTL_WINDOW_MIN: 3969 case SYNAPTICS_SYSCTL_WINDOW_MAX: 3970 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 3971 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 3972 return (EINVAL); 3973 break; 3974 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 3975 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 3976 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 3977 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 3978 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 3979 case SYNAPTICS_SYSCTL_DIV_MIN: 3980 case SYNAPTICS_SYSCTL_DIV_MAX: 3981 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 3982 case SYNAPTICS_SYSCTL_DIV_LEN: 3983 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 3984 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 3985 if (arg < 1) 3986 return (EINVAL); 3987 break; 3988 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 3989 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 3990 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 3991 if (arg < 0) 3992 return (EINVAL); 3993 break; 3994 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 3995 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 3996 if (arg < -6143 || arg > 6143) 3997 return (EINVAL); 3998 break; 3999 default: 4000 return (EINVAL); 4001 } 4002 4003 /* Update. */ 4004 *(int *)oidp->oid_arg1 = arg; 4005 4006 return (error); 4007 } 4008 4009 static void 4010 synaptics_sysctl_create_tree(struct psm_softc *sc) 4011 { 4012 4013 if (sc->syninfo.sysctl_tree != NULL) 4014 return; 4015 4016 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 4017 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 4018 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 4019 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 4020 0, "Synaptics TouchPad"); 4021 4022 /* hw.psm.synaptics.directional_scrolls. */ 4023 sc->syninfo.directional_scrolls = 1; 4024 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4025 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4026 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4027 &sc->syninfo.directional_scrolls, 0, 4028 "Enable hardware scrolling pad (if non-zero) or register it as " 4029 "a middle-click (if 0)"); 4030 4031 /* hw.psm.synaptics.min_pressure. */ 4032 sc->syninfo.min_pressure = 16; 4033 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4034 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4035 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4036 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4037 synaptics_sysctl, "I", 4038 "Minimum pressure required to start an action"); 4039 4040 /* hw.psm.synaptics.max_pressure. */ 4041 sc->syninfo.max_pressure = 220; 4042 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4043 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4044 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4045 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4046 synaptics_sysctl, "I", 4047 "Maximum pressure to detect palm"); 4048 4049 /* hw.psm.synaptics.max_width. */ 4050 sc->syninfo.max_width = 10; 4051 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4052 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4053 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4054 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4055 synaptics_sysctl, "I", 4056 "Maximum finger width to detect palm"); 4057 4058 /* hw.psm.synaptics.top_margin. */ 4059 sc->syninfo.margin_top = 200; 4060 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4061 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4062 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4063 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4064 synaptics_sysctl, "I", 4065 "Top margin"); 4066 4067 /* hw.psm.synaptics.right_margin. */ 4068 sc->syninfo.margin_right = 200; 4069 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4070 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4071 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4072 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4073 synaptics_sysctl, "I", 4074 "Right margin"); 4075 4076 /* hw.psm.synaptics.bottom_margin. */ 4077 sc->syninfo.margin_bottom = 200; 4078 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4079 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4080 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4081 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4082 synaptics_sysctl, "I", 4083 "Bottom margin"); 4084 4085 /* hw.psm.synaptics.left_margin. */ 4086 sc->syninfo.margin_left = 200; 4087 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4088 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4089 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4090 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4091 synaptics_sysctl, "I", 4092 "Left margin"); 4093 4094 /* hw.psm.synaptics.na_top. */ 4095 sc->syninfo.na_top = 1783; 4096 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4097 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4098 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4099 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4100 synaptics_sysctl, "I", 4101 "Top noisy area, where weight_previous_na is used instead " 4102 "of weight_previous"); 4103 4104 /* hw.psm.synaptics.na_right. */ 4105 sc->syninfo.na_right = 563; 4106 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4107 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4108 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4109 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4110 synaptics_sysctl, "I", 4111 "Right noisy area, where weight_previous_na is used instead " 4112 "of weight_previous"); 4113 4114 /* hw.psm.synaptics.na_bottom. */ 4115 sc->syninfo.na_bottom = 1408; 4116 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4117 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4118 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4119 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4120 synaptics_sysctl, "I", 4121 "Bottom noisy area, where weight_previous_na is used instead " 4122 "of weight_previous"); 4123 4124 /* hw.psm.synaptics.na_left. */ 4125 sc->syninfo.na_left = 1600; 4126 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4127 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4128 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4129 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4130 synaptics_sysctl, "I", 4131 "Left noisy area, where weight_previous_na is used instead " 4132 "of weight_previous"); 4133 4134 /* hw.psm.synaptics.window_min. */ 4135 sc->syninfo.window_min = 4; 4136 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4137 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4138 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4139 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4140 synaptics_sysctl, "I", 4141 "Minimum window size to start an action"); 4142 4143 /* hw.psm.synaptics.window_max. */ 4144 sc->syninfo.window_max = 10; 4145 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4146 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4147 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4148 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4149 synaptics_sysctl, "I", 4150 "Maximum window size"); 4151 4152 /* hw.psm.synaptics.multiplicator. */ 4153 sc->syninfo.multiplicator = 10000; 4154 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4155 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4156 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4157 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4158 synaptics_sysctl, "I", 4159 "Multiplicator to increase precision in averages and divisions"); 4160 4161 /* hw.psm.synaptics.weight_current. */ 4162 sc->syninfo.weight_current = 3; 4163 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4164 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4165 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4166 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4167 synaptics_sysctl, "I", 4168 "Weight of the current movement in the new average"); 4169 4170 /* hw.psm.synaptics.weight_previous. */ 4171 sc->syninfo.weight_previous = 6; 4172 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4173 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4174 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4175 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4176 synaptics_sysctl, "I", 4177 "Weight of the previous average"); 4178 4179 /* hw.psm.synaptics.weight_previous_na. */ 4180 sc->syninfo.weight_previous_na = 20; 4181 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4182 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4183 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4184 &sc->syninfo.weight_previous_na, 4185 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4186 synaptics_sysctl, "I", 4187 "Weight of the previous average (inside the noisy area)"); 4188 4189 /* hw.psm.synaptics.weight_len_squared. */ 4190 sc->syninfo.weight_len_squared = 2000; 4191 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4192 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4193 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4194 &sc->syninfo.weight_len_squared, 4195 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4196 synaptics_sysctl, "I", 4197 "Length (squared) of segments where weight_previous " 4198 "starts to decrease"); 4199 4200 /* hw.psm.synaptics.div_min. */ 4201 sc->syninfo.div_min = 9; 4202 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4203 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4204 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4205 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4206 synaptics_sysctl, "I", 4207 "Divisor for fast movements"); 4208 4209 /* hw.psm.synaptics.div_max. */ 4210 sc->syninfo.div_max = 17; 4211 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4212 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4213 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4214 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4215 synaptics_sysctl, "I", 4216 "Divisor for slow movements"); 4217 4218 /* hw.psm.synaptics.div_max_na. */ 4219 sc->syninfo.div_max_na = 30; 4220 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4221 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4222 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4223 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4224 synaptics_sysctl, "I", 4225 "Divisor with slow movements (inside the noisy area)"); 4226 4227 /* hw.psm.synaptics.div_len. */ 4228 sc->syninfo.div_len = 100; 4229 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4230 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4231 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4232 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4233 synaptics_sysctl, "I", 4234 "Length of segments where div_max starts to decrease"); 4235 4236 /* hw.psm.synaptics.tap_max_delta. */ 4237 sc->syninfo.tap_max_delta = 80; 4238 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4239 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4240 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4241 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4242 synaptics_sysctl, "I", 4243 "Length of segments above which a tap is ignored"); 4244 4245 /* hw.psm.synaptics.tap_min_queue. */ 4246 sc->syninfo.tap_min_queue = 2; 4247 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4248 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4249 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4250 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4251 synaptics_sysctl, "I", 4252 "Number of packets required to consider a tap"); 4253 4254 /* hw.psm.synaptics.taphold_timeout. */ 4255 sc->synaction.in_taphold = 0; 4256 sc->syninfo.taphold_timeout = tap_timeout; 4257 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4258 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4259 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4260 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4261 synaptics_sysctl, "I", 4262 "Maximum elapsed time between two taps to consider a tap-hold " 4263 "action"); 4264 4265 /* hw.psm.synaptics.vscroll_hor_area. */ 4266 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4267 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4268 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4269 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4270 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4271 synaptics_sysctl, "I", 4272 "Area reserved for horizontal virtual scrolling"); 4273 4274 /* hw.psm.synaptics.vscroll_ver_area. */ 4275 sc->syninfo.vscroll_ver_area = -600; 4276 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4277 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4278 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4279 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4280 synaptics_sysctl, "I", 4281 "Area reserved for vertical virtual scrolling"); 4282 4283 /* hw.psm.synaptics.vscroll_min_delta. */ 4284 sc->syninfo.vscroll_min_delta = 50; 4285 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4286 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4287 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4288 &sc->syninfo.vscroll_min_delta, 4289 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4290 synaptics_sysctl, "I", 4291 "Minimum movement to consider virtual scrolling"); 4292 4293 /* hw.psm.synaptics.vscroll_div_min. */ 4294 sc->syninfo.vscroll_div_min = 100; 4295 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4296 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4297 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4298 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4299 synaptics_sysctl, "I", 4300 "Divisor for fast scrolling"); 4301 4302 /* hw.psm.synaptics.vscroll_div_min. */ 4303 sc->syninfo.vscroll_div_max = 150; 4304 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4305 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4306 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4307 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4308 synaptics_sysctl, "I", 4309 "Divisor for slow scrolling"); 4310 } 4311 4312 static int 4313 enable_synaptics(KBDC kbdc, struct psm_softc *sc) 4314 { 4315 synapticshw_t synhw; 4316 int status[3]; 4317 int buttons; 4318 4319 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4320 4321 /* 4322 * Just to be on the safe side: this avoids troubles with 4323 * following mouse_ext_command() when the previous command 4324 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4325 * Synaptics Touchpad behaviour. 4326 */ 4327 set_mouse_scaling(kbdc, 1); 4328 4329 /* Identify the Touchpad version. */ 4330 if (mouse_ext_command(kbdc, 0) == 0) 4331 return (FALSE); 4332 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4333 return (FALSE); 4334 if (status[1] != 0x47) 4335 return (FALSE); 4336 4337 bzero(&synhw, sizeof(synhw)); 4338 synhw.infoMinor = status[0]; 4339 synhw.infoMajor = status[2] & 0x0f; 4340 4341 if (verbose >= 2) 4342 printf("Synaptics Touchpad v%d.%d\n", synhw.infoMajor, 4343 synhw.infoMinor); 4344 4345 if (synhw.infoMajor < 4) { 4346 printf(" Unsupported (pre-v4) Touchpad detected\n"); 4347 return (FALSE); 4348 } 4349 4350 /* Get the Touchpad model information. */ 4351 if (mouse_ext_command(kbdc, 3) == 0) 4352 return (FALSE); 4353 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4354 return (FALSE); 4355 if ((status[1] & 0x01) != 0) { 4356 printf(" Failed to read model information\n"); 4357 return (FALSE); 4358 } 4359 4360 synhw.infoRot180 = (status[0] & 0x80) != 0; 4361 synhw.infoPortrait = (status[0] & 0x40) != 0; 4362 synhw.infoSensor = status[0] & 0x3f; 4363 synhw.infoHardware = (status[1] & 0xfe) >> 1; 4364 synhw.infoNewAbs = (status[2] & 0x80) != 0; 4365 synhw.capPen = (status[2] & 0x40) != 0; 4366 synhw.infoSimplC = (status[2] & 0x20) != 0; 4367 synhw.infoGeometry = status[2] & 0x0f; 4368 4369 if (verbose >= 2) { 4370 printf(" Model information:\n"); 4371 printf(" infoRot180: %d\n", synhw.infoRot180); 4372 printf(" infoPortrait: %d\n", synhw.infoPortrait); 4373 printf(" infoSensor: %d\n", synhw.infoSensor); 4374 printf(" infoHardware: %d\n", synhw.infoHardware); 4375 printf(" infoNewAbs: %d\n", synhw.infoNewAbs); 4376 printf(" capPen: %d\n", synhw.capPen); 4377 printf(" infoSimplC: %d\n", synhw.infoSimplC); 4378 printf(" infoGeometry: %d\n", synhw.infoGeometry); 4379 } 4380 4381 /* Read the extended capability bits. */ 4382 if (mouse_ext_command(kbdc, 2) == 0) 4383 return (FALSE); 4384 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4385 return (FALSE); 4386 if (status[1] != 0x47) { 4387 printf(" Failed to read extended capability bits\n"); 4388 return (FALSE); 4389 } 4390 4391 /* Set the different capabilities when they exist. */ 4392 buttons = 0; 4393 synhw.capExtended = (status[0] & 0x80) != 0; 4394 if (synhw.capExtended) { 4395 synhw.capPassthrough = (status[2] & 0x80) != 0; 4396 synhw.capSleep = (status[2] & 0x10) != 0; 4397 synhw.capFourButtons = (status[2] & 0x08) != 0; 4398 synhw.capMultiFinger = (status[2] & 0x02) != 0; 4399 synhw.capPalmDetect = (status[2] & 0x01) != 0; 4400 4401 if (verbose >= 2) { 4402 printf(" Extended capabilities:\n"); 4403 printf(" capExtended: %d\n", synhw.capExtended); 4404 printf(" capPassthrough: %d\n", synhw.capPassthrough); 4405 printf(" capSleep: %d\n", synhw.capSleep); 4406 printf(" capFourButtons: %d\n", synhw.capFourButtons); 4407 printf(" capMultiFinger: %d\n", synhw.capMultiFinger); 4408 printf(" capPalmDetect: %d\n", synhw.capPalmDetect); 4409 } 4410 4411 /* 4412 * If we have bits set in status[0] & 0x70, then we can load 4413 * more information about buttons using query 0x09. 4414 */ 4415 if ((status[0] & 0x70) != 0) { 4416 if (mouse_ext_command(kbdc, 0x09) == 0) 4417 return (FALSE); 4418 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4419 return (FALSE); 4420 buttons = (status[1] & 0xf0) >> 4; 4421 } else 4422 buttons = synhw.capFourButtons ? 1 : 0; 4423 } 4424 if (verbose >= 2) { 4425 if (synhw.capExtended) 4426 printf(" Additional Buttons: %d\n", buttons); 4427 else 4428 printf(" No extended capabilities\n"); 4429 } 4430 4431 /* 4432 * Read the mode byte. 4433 * 4434 * XXX: Note the Synaptics documentation also defines the first 4435 * byte of the response to this query to be a constant 0x3b, this 4436 * does not appear to be true for Touchpads with guest devices. 4437 */ 4438 if (mouse_ext_command(kbdc, 1) == 0) 4439 return (FALSE); 4440 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4441 return (FALSE); 4442 if (status[1] != 0x47) { 4443 printf(" Failed to read mode byte\n"); 4444 return (FALSE); 4445 } 4446 4447 if (sc != NULL) 4448 sc->synhw = synhw; 4449 if (!synaptics_support) 4450 return (FALSE); 4451 4452 /* Set the mode byte; request wmode where available. */ 4453 mouse_ext_command(kbdc, synhw.capExtended ? 0xc1 : 0xc0); 4454 4455 /* "Commit" the Set Mode Byte command sent above. */ 4456 set_mouse_sampling_rate(kbdc, 20); 4457 4458 buttons += 3; 4459 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", buttons)); 4460 4461 if (sc != NULL) { 4462 /* Create sysctl tree. */ 4463 synaptics_sysctl_create_tree(sc); 4464 4465 sc->hw.buttons = buttons; 4466 } 4467 4468 return (TRUE); 4469 } 4470 4471 /* Interlink electronics VersaPad */ 4472 static int 4473 enable_versapad(KBDC kbdc, struct psm_softc *sc) 4474 { 4475 int data[3]; 4476 4477 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 4478 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 4479 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4480 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4481 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4482 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4483 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 4484 return (FALSE); 4485 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 4486 return (FALSE); 4487 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4488 4489 return (TRUE); /* PS/2 absolute mode */ 4490 } 4491 4492 /* 4493 * Return true if 'now' is earlier than (start + (secs.usecs)). 4494 * Now may be NULL and the function will fetch the current time from 4495 * getmicrouptime(), or a cached 'now' can be passed in. 4496 * All values should be numbers derived from getmicrouptime(). 4497 */ 4498 static int 4499 timeelapsed(start, secs, usecs, now) 4500 const struct timeval *start, *now; 4501 int secs, usecs; 4502 { 4503 struct timeval snow, tv; 4504 4505 /* if there is no 'now' passed in, the get it as a convience. */ 4506 if (now == NULL) { 4507 getmicrouptime(&snow); 4508 now = &snow; 4509 } 4510 4511 tv.tv_sec = secs; 4512 tv.tv_usec = usecs; 4513 timevaladd(&tv, start); 4514 return (timevalcmp(&tv, now, <)); 4515 } 4516 4517 static int 4518 psmresume(device_t dev) 4519 { 4520 struct psm_softc *sc = device_get_softc(dev); 4521 int unit = device_get_unit(dev); 4522 int err; 4523 4524 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 4525 4526 if ((sc->config & 4527 (PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND)) == 0) 4528 return (0); 4529 4530 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 4531 4532 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 4533 /* 4534 * Release the blocked process; it must be notified that 4535 * the device cannot be accessed anymore. 4536 */ 4537 sc->state &= ~PSM_ASLP; 4538 wakeup(sc); 4539 } 4540 4541 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 4542 4543 return (err); 4544 } 4545 4546 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 4547 4548 #ifdef DEV_ISA 4549 4550 /* 4551 * This sucks up assignments from PNPBIOS and ACPI. 4552 */ 4553 4554 /* 4555 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 4556 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 4557 * can be probed and attached only after the AT keyboard controller is 4558 * attached, we shall quietly reserve the IRQ resource for later use. 4559 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 4560 * copy the IRQ resource to the PS/2 mouse device instance hanging 4561 * under the keyboard controller, then probe and attach it. 4562 */ 4563 4564 static devclass_t psmcpnp_devclass; 4565 4566 static device_probe_t psmcpnp_probe; 4567 static device_attach_t psmcpnp_attach; 4568 4569 static device_method_t psmcpnp_methods[] = { 4570 DEVMETHOD(device_probe, psmcpnp_probe), 4571 DEVMETHOD(device_attach, psmcpnp_attach), 4572 4573 { 0, 0 } 4574 }; 4575 4576 static driver_t psmcpnp_driver = { 4577 PSMCPNP_DRIVER_NAME, 4578 psmcpnp_methods, 4579 1, /* no softc */ 4580 }; 4581 4582 static struct isa_pnp_id psmcpnp_ids[] = { 4583 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 4584 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 4585 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 4586 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 4587 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 4588 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 4589 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 4590 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 4591 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 4592 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 4593 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 4594 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 4595 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 4596 { 0 } 4597 }; 4598 4599 static int 4600 create_a_copy(device_t atkbdc, device_t me) 4601 { 4602 device_t psm; 4603 u_long irq; 4604 4605 /* find the PS/2 mouse device instance under the keyboard controller */ 4606 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 4607 device_get_unit(atkbdc)); 4608 if (psm == NULL) 4609 return (ENXIO); 4610 if (device_get_state(psm) != DS_NOTPRESENT) 4611 return (0); 4612 4613 /* move our resource to the found device */ 4614 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 4615 bus_delete_resource(me, SYS_RES_IRQ, 0); 4616 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 4617 4618 /* ...then probe and attach it */ 4619 return (device_probe_and_attach(psm)); 4620 } 4621 4622 static int 4623 psmcpnp_probe(device_t dev) 4624 { 4625 struct resource *res; 4626 u_long irq; 4627 int rid; 4628 4629 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 4630 return (ENXIO); 4631 4632 /* 4633 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 4634 * to the PS/2 mouse device node. But, some buggy PnP BIOS 4635 * declares the PS/2 mouse device node without an IRQ resource! 4636 * If this happens, we shall refer to device hints. 4637 * If we still don't find it there, use a hardcoded value... XXX 4638 */ 4639 rid = 0; 4640 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 4641 if (irq <= 0) { 4642 if (resource_long_value(PSM_DRIVER_NAME, 4643 device_get_unit(dev),"irq", &irq) != 0) 4644 irq = 12; /* XXX */ 4645 device_printf(dev, "irq resource info is missing; " 4646 "assuming irq %ld\n", irq); 4647 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 4648 } 4649 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 0); 4650 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 4651 4652 /* keep quiet */ 4653 if (!bootverbose) 4654 device_quiet(dev); 4655 4656 return ((res == NULL) ? ENXIO : 0); 4657 } 4658 4659 static int 4660 psmcpnp_attach(device_t dev) 4661 { 4662 device_t atkbdc; 4663 4664 /* find the keyboard controller, which may be on acpi* or isa* bus */ 4665 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 4666 device_get_unit(dev)); 4667 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 4668 create_a_copy(atkbdc, dev); 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