1 /*- 2 * Copyright (c) 1992, 1993 Erik Forsberg. 3 * Copyright (c) 1996, 1997 Kazutaka YOKOTA. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 */ 23 /* 24 * Ported to 386bsd Oct 17, 1992 25 * Sandi Donno, Computer Science, University of Cape Town, South Africa 26 * Please send bug reports to sandi@cs.uct.ac.za 27 * 28 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 29 * although I was only partially successful in getting the alpha release 30 * of his "driver for the Logitech and ATI Inport Bus mice for use with 31 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 32 * found his code to be an invaluable reference when porting this driver 33 * to 386bsd. 34 * 35 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 36 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 37 * 38 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 39 * Andrew Herbert - 12 June 1993 40 * 41 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 42 * - 13 June 1993 43 * 44 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 45 * - 24 October 1993 46 * 47 * Hardware access routines and probe logic rewritten by 48 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 49 * - 3, 14, 22 October 1996. 50 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 51 * - 14, 30 November 1996. Uses `kbdio.c'. 52 * - 13 December 1996. Uses queuing version of `kbdio.c'. 53 * - January/February 1997. Tweaked probe logic for 54 * HiNote UltraII/Latitude/Armada laptops. 55 * - 30 July 1997. Added APM support. 56 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 57 * Improved sync check logic. 58 * Vendor specific support routines. 59 * 60 * $FreeBSD: src/sys/dev/atkbdc/psm.c,v 1.107 2010/09/09 07:52:15 ed Exp $ 61 */ 62 #include "opt_psm.h" 63 64 #include <sys/param.h> 65 #include <sys/systm.h> 66 #include <sys/kernel.h> 67 #include <sys/module.h> 68 #include <sys/bus.h> 69 #include <sys/conf.h> 70 #include <sys/device.h> 71 #include <sys/event.h> 72 #include <sys/syslog.h> 73 #include <sys/malloc.h> 74 #include <sys/rman.h> 75 #include <sys/sysctl.h> 76 #include <sys/thread2.h> 77 #include <sys/time.h> 78 #include <sys/uio.h> 79 #include <sys/machintr.h> 80 81 #include <machine/clock.h> 82 #include <machine/limits.h> 83 #include <sys/mouse.h> 84 85 #include <bus/isa/isavar.h> 86 #include <dev/misc/kbd/atkbdcreg.h> 87 88 /* 89 * Driver specific options: the following options may be set by 90 * `options' statements in the kernel configuration file. 91 */ 92 93 /* debugging */ 94 #ifndef PSM_DEBUG 95 #define PSM_DEBUG 0 /* 96 * logging: 0: none, 1: brief, 2: verbose 97 * 3: sync errors, 4: all packets 98 */ 99 #endif 100 #define VLOG(level, args) do { \ 101 if (verbose >= level) \ 102 log args; \ 103 } while (0) 104 105 #ifndef PSM_INPUT_TIMEOUT 106 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 107 #endif 108 109 #ifndef PSM_TAP_TIMEOUT 110 #define PSM_TAP_TIMEOUT 125000 111 #endif 112 113 #ifndef PSM_TAP_THRESHOLD 114 #define PSM_TAP_THRESHOLD 25 115 #endif 116 117 /* end of driver specific options */ 118 119 #define PSM_DRIVER_NAME "psm" 120 #define PSMCPNP_DRIVER_NAME "psmcpnp" 121 122 /* input queue */ 123 #define PSM_BUFSIZE 960 124 #define PSM_SMALLBUFSIZE 240 125 126 /* operation levels */ 127 #define PSM_LEVEL_BASE 0 128 #define PSM_LEVEL_STANDARD 1 129 #define PSM_LEVEL_NATIVE 2 130 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 131 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 132 133 /* Logitech PS2++ protocol */ 134 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 135 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 136 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 137 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 138 139 /* some macros */ 140 #define PSM_UNIT(dev) (minor(dev) >> 1) 141 #define PSM_NBLOCKIO(dev) (minor(dev) & 1) 142 #define PSM_MKMINOR(unit,block) ((((unit) & 0xff) << 1) | ((block) ? 0:1)) 143 144 /* ring buffer */ 145 typedef struct ringbuf { 146 int count; /* # of valid elements in the buffer */ 147 int head; /* head pointer */ 148 int tail; /* tail poiner */ 149 u_char buf[PSM_BUFSIZE]; 150 } ringbuf_t; 151 152 /* data buffer */ 153 typedef struct packetbuf { 154 u_char ipacket[16]; /* interim input buffer */ 155 int inputbytes; /* # of bytes in the input buffer */ 156 } packetbuf_t; 157 158 #ifndef PSM_PACKETQUEUE 159 #define PSM_PACKETQUEUE 128 160 #endif 161 162 enum { 163 SYNAPTICS_SYSCTL_MIN_PRESSURE, 164 SYNAPTICS_SYSCTL_MAX_PRESSURE, 165 SYNAPTICS_SYSCTL_MAX_WIDTH, 166 SYNAPTICS_SYSCTL_MARGIN_TOP, 167 SYNAPTICS_SYSCTL_MARGIN_RIGHT, 168 SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 169 SYNAPTICS_SYSCTL_MARGIN_LEFT, 170 SYNAPTICS_SYSCTL_NA_TOP, 171 SYNAPTICS_SYSCTL_NA_RIGHT, 172 SYNAPTICS_SYSCTL_NA_BOTTOM, 173 SYNAPTICS_SYSCTL_NA_LEFT, 174 SYNAPTICS_SYSCTL_WINDOW_MIN, 175 SYNAPTICS_SYSCTL_WINDOW_MAX, 176 SYNAPTICS_SYSCTL_MULTIPLICATOR, 177 SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 178 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 179 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 180 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 181 SYNAPTICS_SYSCTL_DIV_MIN, 182 SYNAPTICS_SYSCTL_DIV_MAX, 183 SYNAPTICS_SYSCTL_DIV_MAX_NA, 184 SYNAPTICS_SYSCTL_DIV_LEN, 185 SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 186 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 187 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 188 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 189 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 190 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 191 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 192 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX 193 }; 194 195 typedef struct synapticsinfo { 196 struct sysctl_ctx_list sysctl_ctx; 197 struct sysctl_oid *sysctl_tree; 198 int directional_scrolls; 199 int min_pressure; 200 int max_pressure; 201 int max_width; 202 int margin_top; 203 int margin_right; 204 int margin_bottom; 205 int margin_left; 206 int na_top; 207 int na_right; 208 int na_bottom; 209 int na_left; 210 int window_min; 211 int window_max; 212 int multiplicator; 213 int weight_current; 214 int weight_previous; 215 int weight_previous_na; 216 int weight_len_squared; 217 int div_min; 218 int div_max; 219 int div_max_na; 220 int div_len; 221 int tap_max_delta; 222 int tap_min_queue; 223 int taphold_timeout; 224 int vscroll_ver_area; 225 int vscroll_hor_area; 226 int vscroll_min_delta; 227 int vscroll_div_min; 228 int vscroll_div_max; 229 } synapticsinfo_t; 230 231 typedef struct synapticspacket { 232 int x; 233 int y; 234 } synapticspacket_t; 235 236 #define SYNAPTICS_PACKETQUEUE 10 237 #define SYNAPTICS_QUEUE_CURSOR(x) \ 238 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 239 240 typedef struct synapticsaction { 241 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 242 int queue_len; 243 int queue_cursor; 244 int window_min; 245 int start_x; 246 int start_y; 247 int avg_dx; 248 int avg_dy; 249 int squelch_x; 250 int squelch_y; 251 int fingers_nb; 252 int tap_button; 253 int in_taphold; 254 int in_vscroll; 255 } synapticsaction_t; 256 257 /* driver control block */ 258 struct psm_softc { /* Driver status information */ 259 int unit; 260 struct kqinfo rkq; /* Processes with registered kevents */ 261 u_char state; /* Mouse driver state */ 262 int config; /* driver configuration flags */ 263 int flags; /* other flags */ 264 KBDC kbdc; /* handle to access kbd controller */ 265 struct resource *intr; /* IRQ resource */ 266 void *ih; /* interrupt handle */ 267 mousehw_t hw; /* hardware information */ 268 synapticshw_t synhw; /* Synaptics hardware information */ 269 synapticsinfo_t syninfo; /* Synaptics configuration */ 270 synapticsaction_t synaction; /* Synaptics action context */ 271 mousemode_t mode; /* operation mode */ 272 mousemode_t dflt_mode; /* default operation mode */ 273 mousestatus_t status; /* accumulated mouse movement */ 274 ringbuf_t queue; /* mouse status queue */ 275 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 276 int pqueue_start; /* start of data in queue */ 277 int pqueue_end; /* end of data in queue */ 278 int button; /* the latest button state */ 279 int xold; /* previous absolute X position */ 280 int yold; /* previous absolute Y position */ 281 int xaverage; /* average X position */ 282 int yaverage; /* average Y position */ 283 int squelch; /* level to filter movement at low speed */ 284 int zmax; /* maximum pressure value for touchpads */ 285 int syncerrors; /* # of bytes discarded to synchronize */ 286 int pkterrors; /* # of packets failed during quaranteen. */ 287 struct timeval inputtimeout; 288 struct timeval lastsoftintr; /* time of last soft interrupt */ 289 struct timeval lastinputerr; /* time last sync error happened */ 290 struct timeval taptimeout; /* tap timeout for touchpads */ 291 int watchdog; /* watchdog timer flag */ 292 struct callout callout; /* watchdog timer call out */ 293 struct callout softcallout; /* buffer timer call out */ 294 struct cdev *dev; 295 struct cdev *bdev; 296 int lasterr; 297 int cmdcount; 298 }; 299 static devclass_t psm_devclass; 300 #define PSM_SOFTC(unit) ((struct psm_softc*)devclass_get_softc(psm_devclass, unit)) 301 302 /* driver state flags (state) */ 303 #define PSM_VALID 0x80 304 #define PSM_OPEN 1 /* Device is open */ 305 #define PSM_ASLP 2 /* Waiting for mouse data */ 306 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 307 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 308 309 /* driver configuration flags (config) */ 310 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 311 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 312 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 313 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 314 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 315 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 316 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 317 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 318 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 319 #define PSM_CONFIG_SYNCHACK 0x8000 /* enable `out-of-sync' hack */ 320 321 #define PSM_CONFIG_FLAGS \ 322 (PSM_CONFIG_RESOLUTION | \ 323 PSM_CONFIG_ACCEL | \ 324 PSM_CONFIG_NOCHECKSYNC | \ 325 PSM_CONFIG_SYNCHACK | \ 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_kqfilter_t psmkqfilter; 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 void psmfilter_detach(struct knote *); 403 static int psmfilter(struct knote *, long); 404 static int timeelapsed(const struct timeval *, int, int, 405 const struct timeval *); 406 static void dropqueue(struct psm_softc *); 407 static void flushpackets(struct psm_softc *); 408 static void proc_mmanplus(struct psm_softc *, packetbuf_t *, 409 mousestatus_t *, int *, int *, int *); 410 static int proc_synaptics(struct psm_softc *, packetbuf_t *, 411 mousestatus_t *, int *, int *, int *); 412 static void proc_versapad(struct psm_softc *, packetbuf_t *, 413 mousestatus_t *, int *, int *, int *); 414 static int tame_mouse(struct psm_softc *, packetbuf_t *, mousestatus_t *, 415 u_char *); 416 417 /* vendor specific features */ 418 typedef int probefunc_t(struct psm_softc *); 419 420 static int mouse_id_proc1(KBDC, int, int, int *); 421 static int mouse_ext_command(KBDC, int); 422 423 static probefunc_t enable_groller; 424 static probefunc_t enable_gmouse; 425 static probefunc_t enable_aglide; 426 static probefunc_t enable_kmouse; 427 static probefunc_t enable_msexplorer; 428 static probefunc_t enable_msintelli; 429 static probefunc_t enable_4dmouse; 430 static probefunc_t enable_4dplus; 431 static probefunc_t enable_mmanplus; 432 static probefunc_t enable_synaptics; 433 static probefunc_t enable_versapad; 434 435 static struct { 436 int model; 437 u_char syncmask; 438 int packetsize; 439 probefunc_t *probefunc; 440 } vendortype[] = { 441 /* 442 * WARNING: the order of probe is very important. Don't mess it 443 * unless you know what you are doing. 444 */ 445 { MOUSE_MODEL_NET, /* Genius NetMouse */ 446 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_gmouse }, 447 { MOUSE_MODEL_NETSCROLL, /* Genius NetScroll */ 448 0xc8, 6, enable_groller }, 449 { MOUSE_MODEL_MOUSEMANPLUS, /* Logitech MouseMan+ */ 450 0x08, MOUSE_PS2_PACKETSIZE, enable_mmanplus }, 451 { MOUSE_MODEL_EXPLORER, /* Microsoft IntelliMouse Explorer */ 452 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msexplorer }, 453 { MOUSE_MODEL_4D, /* A4 Tech 4D Mouse */ 454 0x08, MOUSE_4D_PACKETSIZE, enable_4dmouse }, 455 { MOUSE_MODEL_4DPLUS, /* A4 Tech 4D+ Mouse */ 456 0xc8, MOUSE_4DPLUS_PACKETSIZE, enable_4dplus }, 457 { MOUSE_MODEL_SYNAPTICS, /* Synaptics Touchpad */ 458 0xc0, MOUSE_SYNAPTICS_PACKETSIZE, enable_synaptics }, 459 { MOUSE_MODEL_INTELLI, /* Microsoft IntelliMouse */ 460 0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli }, 461 { MOUSE_MODEL_GLIDEPOINT, /* ALPS GlidePoint */ 462 0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide }, 463 { MOUSE_MODEL_THINK, /* Kensington ThinkingMouse */ 464 0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse }, 465 { MOUSE_MODEL_VERSAPAD, /* Interlink electronics VersaPad */ 466 0xe8, MOUSE_PS2VERSA_PACKETSIZE, enable_versapad }, 467 { MOUSE_MODEL_GENERIC, 468 0xc0, MOUSE_PS2_PACKETSIZE, NULL }, 469 }; 470 #define GENERIC_MOUSE_ENTRY (NELEM(vendortype) - 1) 471 472 /* device driver declarateion */ 473 static device_method_t psm_methods[] = { 474 /* Device interface */ 475 DEVMETHOD(device_identify, psmidentify), 476 DEVMETHOD(device_probe, psmprobe), 477 DEVMETHOD(device_attach, psmattach), 478 DEVMETHOD(device_detach, psmdetach), 479 DEVMETHOD(device_resume, psmresume), 480 481 DEVMETHOD_END 482 }; 483 484 static driver_t psm_driver = { 485 PSM_DRIVER_NAME, 486 psm_methods, 487 sizeof(struct psm_softc), 488 }; 489 490 static struct dev_ops psm_ops = { 491 { PSM_DRIVER_NAME, 0, 0 }, 492 .d_open = psmopen, 493 .d_close = psmclose, 494 .d_read = psmread, 495 .d_write = psmwrite, 496 .d_ioctl = psmioctl, 497 .d_kqfilter = psmkqfilter 498 }; 499 500 /* device I/O routines */ 501 static int 502 enable_aux_dev(KBDC kbdc) 503 { 504 int res; 505 506 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 507 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 508 509 return (res == PSM_ACK); 510 } 511 512 static int 513 disable_aux_dev(KBDC kbdc) 514 { 515 int res; 516 517 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 518 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 519 520 return (res == PSM_ACK); 521 } 522 523 static int 524 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 525 { 526 int cmd; 527 int res; 528 int i; 529 530 switch (flag) { 531 case 0: 532 default: 533 cmd = PSMC_SEND_DEV_STATUS; 534 break; 535 case 1: 536 cmd = PSMC_SEND_DEV_DATA; 537 break; 538 } 539 empty_aux_buffer(kbdc, 5); 540 res = send_aux_command(kbdc, cmd); 541 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 542 (flag == 1) ? "DATA" : "STATUS", res)); 543 if (res != PSM_ACK) 544 return (0); 545 546 for (i = 0; i < len; ++i) { 547 status[i] = read_aux_data(kbdc); 548 if (status[i] < 0) 549 break; 550 } 551 552 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 553 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 554 555 return (i); 556 } 557 558 static int 559 get_aux_id(KBDC kbdc) 560 { 561 int res; 562 int id; 563 564 empty_aux_buffer(kbdc, 5); 565 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 566 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 567 if (res != PSM_ACK) 568 return (-1); 569 570 /* 10ms delay */ 571 DRIVERSLEEP(10000); 572 573 id = read_aux_data(kbdc); 574 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 575 576 return (id); 577 } 578 579 static int 580 set_mouse_sampling_rate(KBDC kbdc, int rate) 581 { 582 int res; 583 584 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 585 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 586 587 return ((res == PSM_ACK) ? rate : -1); 588 } 589 590 static int 591 set_mouse_scaling(KBDC kbdc, int scale) 592 { 593 int res; 594 595 switch (scale) { 596 case 1: 597 default: 598 scale = PSMC_SET_SCALING11; 599 break; 600 case 2: 601 scale = PSMC_SET_SCALING21; 602 break; 603 } 604 res = send_aux_command(kbdc, scale); 605 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 606 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 607 608 return (res == PSM_ACK); 609 } 610 611 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 612 static int 613 set_mouse_resolution(KBDC kbdc, int val) 614 { 615 int res; 616 617 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 618 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 619 620 return ((res == PSM_ACK) ? val : -1); 621 } 622 623 /* 624 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 625 * re-enabled by calling `enable_aux_dev()' 626 */ 627 static int 628 set_mouse_mode(KBDC kbdc) 629 { 630 int res; 631 632 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 633 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 634 635 return (res == PSM_ACK); 636 } 637 638 static int 639 get_mouse_buttons(KBDC kbdc) 640 { 641 int c = 2; /* assume two buttons by default */ 642 int status[3]; 643 644 /* 645 * NOTE: a special sequence to obtain Logitech Mouse specific 646 * information: set resolution to 25 ppi, set scaling to 1:1, set 647 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 648 * mouse status bytes is the number of available buttons. 649 * Some manufactures also support this sequence. 650 */ 651 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 652 return (c); 653 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 654 set_mouse_scaling(kbdc, 1) && 655 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 656 return (status[1]); 657 return (c); 658 } 659 660 /* misc subroutines */ 661 /* 662 * Someday, I will get the complete list of valid pointing devices and 663 * their IDs... XXX 664 */ 665 static int 666 is_a_mouse(int id) 667 { 668 #if 0 669 static int valid_ids[] = { 670 PSM_MOUSE_ID, /* mouse */ 671 PSM_BALLPOINT_ID, /* ballpoint device */ 672 PSM_INTELLI_ID, /* Intellimouse */ 673 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 674 -1 /* end of table */ 675 }; 676 int i; 677 678 for (i = 0; valid_ids[i] >= 0; ++i) 679 if (valid_ids[i] == id) 680 return (TRUE); 681 return (FALSE); 682 #else 683 return (TRUE); 684 #endif 685 } 686 687 static char * 688 model_name(int model) 689 { 690 static struct { 691 int model_code; 692 char *model_name; 693 } models[] = { 694 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 695 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 696 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 697 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 698 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 699 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 700 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 701 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 702 { MOUSE_MODEL_4D, "4D Mouse" }, 703 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 704 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 705 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 706 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 707 }; 708 int i; 709 710 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 711 if (models[i].model_code == model) 712 break; 713 return (models[i].model_name); 714 } 715 716 static void 717 recover_from_error(KBDC kbdc) 718 { 719 /* discard anything left in the output buffer */ 720 empty_both_buffers(kbdc, 10); 721 722 #if 0 723 /* 724 * NOTE: KBDC_RESET_KBD may not restore the communication between the 725 * keyboard and the controller. 726 */ 727 reset_kbd(kbdc); 728 #else 729 /* 730 * NOTE: somehow diagnostic and keyboard port test commands bring the 731 * keyboard back. 732 */ 733 if (!test_controller(kbdc)) 734 log(LOG_ERR, "psm: keyboard controller failed.\n"); 735 /* if there isn't a keyboard in the system, the following error is OK */ 736 if (test_kbd_port(kbdc) != 0) 737 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 738 #endif 739 } 740 741 static int 742 restore_controller(KBDC kbdc, int command_byte) 743 { 744 empty_both_buffers(kbdc, 10); 745 746 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 747 log(LOG_ERR, "psm: failed to restore the keyboard controller " 748 "command byte.\n"); 749 empty_both_buffers(kbdc, 10); 750 return (FALSE); 751 } else { 752 empty_both_buffers(kbdc, 10); 753 return (TRUE); 754 } 755 } 756 757 /* 758 * Re-initialize the aux port and device. The aux port must be enabled 759 * and its interrupt must be disabled before calling this routine. 760 * The aux device will be disabled before returning. 761 * The keyboard controller must be locked via `kbdc_lock()' before 762 * calling this routine. 763 */ 764 static int 765 doinitialize(struct psm_softc *sc, mousemode_t *mode) 766 { 767 KBDC kbdc = sc->kbdc; 768 int stat[3]; 769 int i; 770 771 switch((i = test_aux_port(kbdc))) { 772 case 1: /* ignore these errors */ 773 case 2: 774 case 3: 775 case PSM_ACK: 776 if (verbose) 777 log(LOG_DEBUG, 778 "psm%d: strange result for test aux port (%d).\n", 779 sc->unit, i); 780 /* FALLTHROUGH */ 781 case 0: /* no error */ 782 break; 783 case -1: /* time out */ 784 default: /* error */ 785 recover_from_error(kbdc); 786 if (sc->config & PSM_CONFIG_IGNPORTERROR) 787 break; 788 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 789 sc->unit, i); 790 return (FALSE); 791 } 792 793 if (sc->config & PSM_CONFIG_NORESET) { 794 /* 795 * Don't try to reset the pointing device. It may possibly 796 * be left in the unknown state, though... 797 */ 798 } else { 799 /* 800 * NOTE: some controllers appears to hang the `keyboard' when 801 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 802 */ 803 if (!reset_aux_dev(kbdc)) { 804 recover_from_error(kbdc); 805 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 806 sc->unit); 807 return (FALSE); 808 } 809 } 810 811 /* 812 * both the aux port and the aux device is functioning, see 813 * if the device can be enabled. 814 */ 815 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 816 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 817 sc->unit); 818 return (FALSE); 819 } 820 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 821 822 if (sc->config & PSM_CONFIG_NOIDPROBE) 823 i = GENERIC_MOUSE_ENTRY; 824 else { 825 /* FIXME: hardware ID, mouse buttons? */ 826 827 /* other parameters */ 828 for (i = 0; vendortype[i].probefunc != NULL; ++i) 829 if ((*vendortype[i].probefunc)(sc)) { 830 if (verbose >= 2) 831 log(LOG_ERR, "psm%d: found %s\n", 832 sc->unit, 833 model_name(vendortype[i].model)); 834 break; 835 } 836 } 837 838 sc->hw.model = vendortype[i].model; 839 sc->mode.packetsize = vendortype[i].packetsize; 840 841 /* set mouse parameters */ 842 if (mode != NULL) { 843 if (mode->rate > 0) 844 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 845 if (mode->resolution >= 0) 846 mode->resolution = 847 set_mouse_resolution(kbdc, mode->resolution); 848 set_mouse_scaling(kbdc, 1); 849 set_mouse_mode(kbdc); 850 } 851 852 /* Record sync on the next data packet we see. */ 853 sc->flags |= PSM_NEED_SYNCBITS; 854 855 /* just check the status of the mouse */ 856 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 857 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 858 sc->unit); 859 860 return (TRUE); 861 } 862 863 static int 864 doopen(struct psm_softc *sc, int command_byte) 865 { 866 int stat[3]; 867 868 /* 869 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 870 * no obvious reason. Thus we check the current mode and restore the 871 * Absolute Mode if it was cleared. 872 * 873 * The previous hack at the end of psmprobe() wasn't efficient when 874 * moused(8) was restarted. 875 * 876 * A Reset (FF) or Set Defaults (F6) command would clear the 877 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 878 * doesn't show any evidence of such a command. 879 */ 880 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 881 mouse_ext_command(sc->kbdc, 1); 882 get_mouse_status(sc->kbdc, stat, 0, 3); 883 if (stat[1] == 0x47 && stat[2] == 0x40) { 884 /* Set the mode byte -- request wmode where 885 * available */ 886 if (sc->synhw.capExtended) 887 mouse_ext_command(sc->kbdc, 0xc1); 888 else 889 mouse_ext_command(sc->kbdc, 0xc0); 890 set_mouse_sampling_rate(sc->kbdc, 20); 891 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 892 "hopefully restored\n", 893 sc->unit)); 894 } 895 } 896 897 /* 898 * A user may want to disable tap and drag gestures on a Synaptics 899 * TouchPad when it operates in Relative Mode. 900 */ 901 if (sc->hw.model == MOUSE_MODEL_GENERIC) { 902 if (tap_enabled > 0) { 903 /* 904 * Enable tap & drag gestures. We use a Mode Byte 905 * and clear the DisGest bit (see §2.5 of Synaptics 906 * TouchPad Interfacing Guide). 907 */ 908 VLOG(2, (LOG_DEBUG, 909 "psm%d: enable tap and drag gestures\n", 910 sc->unit)); 911 mouse_ext_command(sc->kbdc, 0x00); 912 set_mouse_sampling_rate(sc->kbdc, 20); 913 } else if (tap_enabled == 0) { 914 /* 915 * Disable tap & drag gestures. We use a Mode Byte 916 * and set the DisGest bit (see §2.5 of Synaptics 917 * TouchPad Interfacing Guide). 918 */ 919 VLOG(2, (LOG_DEBUG, 920 "psm%d: disable tap and drag gestures\n", 921 sc->unit)); 922 mouse_ext_command(sc->kbdc, 0x04); 923 set_mouse_sampling_rate(sc->kbdc, 20); 924 } 925 } 926 927 /* enable the mouse device */ 928 if (!enable_aux_dev(sc->kbdc)) { 929 /* MOUSE ERROR: failed to enable the mouse because: 930 * 1) the mouse is faulty, 931 * 2) the mouse has been removed(!?) 932 * In the latter case, the keyboard may have hung, and need 933 * recovery procedure... 934 */ 935 recover_from_error(sc->kbdc); 936 #if 0 937 /* FIXME: we could reset the mouse here and try to enable 938 * it again. But it will take long time and it's not a good 939 * idea to disable the keyboard that long... 940 */ 941 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 942 recover_from_error(sc->kbdc); 943 #else 944 { 945 #endif 946 restore_controller(sc->kbdc, command_byte); 947 /* mark this device is no longer available */ 948 sc->state &= ~PSM_VALID; 949 log(LOG_ERR, 950 "psm%d: failed to enable the device (doopen).\n", 951 sc->unit); 952 return (EIO); 953 } 954 } 955 956 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 957 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 958 sc->unit); 959 960 /* enable the aux port and interrupt */ 961 if (!set_controller_command_byte(sc->kbdc, 962 KBD_AUX_CONTROL_BITS, 963 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 964 /* CONTROLLER ERROR */ 965 disable_aux_dev(sc->kbdc); 966 restore_controller(sc->kbdc, command_byte); 967 log(LOG_ERR, 968 "psm%d: failed to enable the aux interrupt (doopen).\n", 969 sc->unit); 970 return (EIO); 971 } 972 973 /* start the watchdog timer */ 974 sc->watchdog = FALSE; 975 callout_reset(&sc->callout, hz * 2, psmtimeout, (void *)(uintptr_t)sc); 976 977 return (0); 978 } 979 980 static int 981 reinitialize(struct psm_softc *sc, int doinit) 982 { 983 int err; 984 int c; 985 986 /* don't let anybody mess with the aux device */ 987 if (!kbdc_lock(sc->kbdc, TRUE)) 988 return (EIO); 989 990 crit_enter(); 991 992 /* block our watchdog timer */ 993 sc->watchdog = FALSE; 994 callout_stop(&sc->callout); 995 996 /* save the current controller command byte */ 997 empty_both_buffers(sc->kbdc, 10); 998 c = get_controller_command_byte(sc->kbdc); 999 VLOG(2, (LOG_DEBUG, 1000 "psm%d: current command byte: %04x (reinitialize).\n", 1001 sc->unit, c)); 1002 1003 /* enable the aux port but disable the aux interrupt and the keyboard */ 1004 if ((c == -1) || 1005 !set_controller_command_byte(sc->kbdc, 1006 KBD_AUX_CONTROL_BITS, 1007 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1008 /* CONTROLLER ERROR */ 1009 crit_exit(); 1010 kbdc_lock(sc->kbdc, FALSE); 1011 log(LOG_ERR, 1012 "psm%d: unable to set the command byte (reinitialize).\n", 1013 sc->unit); 1014 return (EIO); 1015 } 1016 1017 /* flush any data */ 1018 if (sc->state & PSM_VALID) { 1019 /* this may fail; but never mind... */ 1020 disable_aux_dev(sc->kbdc); 1021 empty_aux_buffer(sc->kbdc, 10); 1022 } 1023 flushpackets(sc); 1024 sc->syncerrors = 0; 1025 sc->pkterrors = 0; 1026 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1027 1028 /* try to detect the aux device; are you still there? */ 1029 err = 0; 1030 if (doinit) { 1031 if (doinitialize(sc, &sc->mode)) { 1032 /* yes */ 1033 sc->state |= PSM_VALID; 1034 } else { 1035 /* the device has gone! */ 1036 restore_controller(sc->kbdc, c); 1037 sc->state &= ~PSM_VALID; 1038 log(LOG_ERR, 1039 "psm%d: the aux device has gone! (reinitialize).\n", 1040 sc->unit); 1041 err = ENXIO; 1042 } 1043 } 1044 crit_exit(); 1045 1046 /* restore the driver state */ 1047 if ((sc->state & PSM_OPEN) && (err == 0)) { 1048 /* enable the aux device and the port again */ 1049 err = doopen(sc, c); 1050 if (err != 0) 1051 log(LOG_ERR, "psm%d: failed to enable the device " 1052 "(reinitialize).\n", sc->unit); 1053 } else { 1054 /* restore the keyboard port and disable the aux port */ 1055 if (!set_controller_command_byte(sc->kbdc, 1056 KBD_AUX_CONTROL_BITS, 1057 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1058 /* CONTROLLER ERROR */ 1059 log(LOG_ERR, "psm%d: failed to disable the aux port " 1060 "(reinitialize).\n", sc->unit); 1061 err = EIO; 1062 } 1063 } 1064 1065 kbdc_lock(sc->kbdc, FALSE); 1066 return (err); 1067 } 1068 1069 /* psm driver entry points */ 1070 1071 static void 1072 psmidentify(driver_t *driver, device_t parent) 1073 { 1074 device_t psmc; 1075 device_t psm; 1076 u_long irq; 1077 int unit; 1078 1079 unit = device_get_unit(parent); 1080 1081 /* always add at least one child */ 1082 psm = BUS_ADD_CHILD(parent, parent, KBDC_RID_AUX, driver->name, unit); 1083 if (psm == NULL) 1084 return; 1085 1086 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1087 if (irq > 0) 1088 return; 1089 1090 /* 1091 * If the PS/2 mouse device has already been reported by ACPI or 1092 * PnP BIOS, obtain the IRQ resource from it. 1093 * (See psmcpnp_attach() below.) 1094 */ 1095 psmc = device_find_child(device_get_parent(parent), 1096 PSMCPNP_DRIVER_NAME, unit); 1097 if (psmc == NULL) 1098 return; 1099 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1100 if (irq <= 0) 1101 return; 1102 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1, 1103 machintr_legacy_intr_cpuid(irq)); 1104 } 1105 1106 #define endprobe(v) do { \ 1107 if (bootverbose) \ 1108 --verbose; \ 1109 set_controller_command_byte(sc->kbdc, \ 1110 KBD_AUX_CONTROL_BITS, KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT); \ 1111 kbdc_lock(sc->kbdc, FALSE); \ 1112 return (v); \ 1113 } while (0) 1114 1115 static int 1116 psmprobe(device_t dev) 1117 { 1118 int unit = device_get_unit(dev); 1119 struct psm_softc *sc = device_get_softc(dev); 1120 uintptr_t irq; 1121 uintptr_t flags; 1122 int stat[3]; 1123 int command_byte; 1124 int i; 1125 1126 #if 0 1127 kbdc_debug(TRUE); 1128 #endif 1129 1130 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 1131 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags); 1132 1133 sc->unit = unit; 1134 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1135 sc->config = flags & PSM_CONFIG_FLAGS; 1136 /* XXX: for backward compatibility */ 1137 #if defined(PSM_HOOKRESUME) 1138 sc->config |= 1139 #ifdef PSM_RESETAFTERSUSPEND 1140 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 1141 #else 1142 PSM_CONFIG_HOOKRESUME; 1143 #endif 1144 #endif /* PSM_HOOKRESUME */ 1145 sc->flags = 0; 1146 if (bootverbose) 1147 ++verbose; 1148 1149 device_set_desc(dev, "PS/2 Mouse"); 1150 1151 if (!kbdc_lock(sc->kbdc, TRUE)) { 1152 kprintf("psm%d: unable to lock the controller.\n", unit); 1153 if (bootverbose) 1154 --verbose; 1155 return (ENXIO); 1156 } 1157 1158 /* 1159 * NOTE: two bits in the command byte controls the operation of the 1160 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1161 * port interrupt (IRQ 12) enable bit (bit 2). 1162 */ 1163 1164 /* discard anything left after the keyboard initialization */ 1165 empty_both_buffers(sc->kbdc, 10); 1166 1167 /* save the current command byte; it will be used later */ 1168 command_byte = get_controller_command_byte(sc->kbdc); 1169 if (verbose) 1170 kprintf("psm%d: current command byte:%04x\n", unit, 1171 command_byte); 1172 if (command_byte == -1) { 1173 /* CONTROLLER ERROR */ 1174 kprintf("psm%d: unable to get the current " 1175 "command byte value.\n", 1176 unit); 1177 endprobe(ENXIO); 1178 } 1179 1180 /* 1181 * NOTE: We cannot mess with the keyboard port, do NOT disable it 1182 * while we are probing the aux port during this routine. 1183 * Disabling the keyboard port will break some things 1184 * (Acer c720)... probably related to BIOS emulation of the 1185 * i8042. 1186 */ 1187 if (!set_controller_command_byte(sc->kbdc, 1188 KBD_AUX_CONTROL_BITS, KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1189 /* 1190 * this is CONTROLLER ERROR; I don't know how to recover 1191 * from this error... 1192 */ 1193 kprintf("psm%d: unable to set the command byte.\n", unit); 1194 endprobe(ENXIO); 1195 } 1196 1197 /* 1198 * NOTE: Linux doesn't send discrete aux port enablement commands, 1199 * it is unclear whether this is needed or helps or hinders 1200 * bios emulators. 1201 */ 1202 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1203 1204 /* 1205 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1206 * port exists and is functioning. However, some controllers appears 1207 * to respond with zero even when the aux port doesn't exist. (It may 1208 * be that this is only the case when the controller DOES have the aux 1209 * port but the port is not wired on the motherboard.) The keyboard 1210 * controllers without the port, such as the original AT, are 1211 * supporsed to return with an error code or simply time out. In any 1212 * case, we have to continue probing the port even when the controller 1213 * passes this test. 1214 * 1215 * XXX: some controllers erroneously return the error code 1, 2 or 3 1216 * when it has the perfectly functional aux port. We have to ignore 1217 * this error code. Even if the controller HAS error with the aux 1218 * port, it will be detected later... 1219 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1220 */ 1221 switch ((i = test_aux_port(sc->kbdc))) { 1222 case 1: /* ignore these errors */ 1223 case 2: 1224 case 3: 1225 case PSM_ACK: 1226 if (verbose) 1227 kprintf("psm%d: strange result for test aux port " 1228 "(%d).\n", unit, i); 1229 /* FALLTHROUGH */ 1230 case 0: /* no error */ 1231 break; 1232 case -1: /* time out */ 1233 default: /* error */ 1234 recover_from_error(sc->kbdc); 1235 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1236 break; 1237 if (verbose) 1238 kprintf("psm%d: the aux port is not " 1239 "functioning (%d).\n", 1240 unit, i); 1241 endprobe(ENXIO); 1242 } 1243 1244 if (sc->config & PSM_CONFIG_NORESET) { 1245 /* 1246 * Don't try to reset the pointing device. It may possibly be 1247 * left in the unknown state, though... 1248 */ 1249 } else { 1250 /* 1251 * NOTE: some controllers appears to hang the `keyboard' when 1252 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1253 * 1254 * Attempt to reset the controller twice -- this helps 1255 * pierce through some KVM switches. The second reset 1256 * is non-fatal. 1257 */ 1258 if (!reset_aux_dev(sc->kbdc)) { 1259 recover_from_error(sc->kbdc); 1260 if (verbose) 1261 kprintf("psm%d: failed to reset the aux " 1262 "device.\n", unit); 1263 endprobe(ENXIO); 1264 } else if (!reset_aux_dev(sc->kbdc)) { 1265 recover_from_error(sc->kbdc); 1266 if (verbose >= 2) 1267 kprintf("psm%d: failed to reset the aux device " 1268 "(2).\n", unit); 1269 } 1270 } 1271 1272 /* 1273 * both the aux port and the aux device is functioning, see if the 1274 * device can be enabled. NOTE: when enabled, the device will start 1275 * sending data; we shall immediately disable the device once we know 1276 * the device can be enabled. 1277 */ 1278 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1279 /* MOUSE ERROR */ 1280 recover_from_error(sc->kbdc); 1281 if (verbose) 1282 kprintf("psm%d: failed to enable the aux device.\n", 1283 unit); 1284 endprobe(ENXIO); 1285 } 1286 1287 /* save the default values after reset */ 1288 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1289 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1290 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1291 } else { 1292 sc->dflt_mode.rate = sc->mode.rate = -1; 1293 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1294 } 1295 1296 /* hardware information */ 1297 sc->hw.iftype = MOUSE_IF_PS2; 1298 1299 /* verify the device is a mouse */ 1300 sc->hw.hwid = get_aux_id(sc->kbdc); 1301 if (!is_a_mouse(sc->hw.hwid)) { 1302 if (verbose) 1303 kprintf("psm%d: unknown device type (%d).\n", unit, 1304 sc->hw.hwid); 1305 endprobe(ENXIO); 1306 } 1307 switch (sc->hw.hwid) { 1308 case PSM_BALLPOINT_ID: 1309 sc->hw.type = MOUSE_TRACKBALL; 1310 break; 1311 case PSM_MOUSE_ID: 1312 case PSM_INTELLI_ID: 1313 case PSM_EXPLORER_ID: 1314 case PSM_4DMOUSE_ID: 1315 case PSM_4DPLUS_ID: 1316 sc->hw.type = MOUSE_MOUSE; 1317 break; 1318 default: 1319 sc->hw.type = MOUSE_UNKNOWN; 1320 break; 1321 } 1322 1323 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1324 sc->hw.buttons = 2; 1325 i = GENERIC_MOUSE_ENTRY; 1326 } else { 1327 /* # of buttons */ 1328 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1329 1330 /* other parameters */ 1331 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1332 if ((*vendortype[i].probefunc)(sc)) { 1333 if (verbose >= 2) 1334 kprintf("psm%d: found %s\n", unit, 1335 model_name(vendortype[i].model)); 1336 break; 1337 } 1338 } 1339 1340 sc->hw.model = vendortype[i].model; 1341 1342 sc->dflt_mode.level = PSM_LEVEL_BASE; 1343 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1344 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1345 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1346 sc->dflt_mode.syncmask[0] = 0; 1347 else 1348 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1349 if (sc->config & PSM_CONFIG_FORCETAP) 1350 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1351 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1352 sc->mode = sc->dflt_mode; 1353 sc->mode.packetsize = vendortype[i].packetsize; 1354 1355 /* set mouse parameters */ 1356 #if 0 1357 /* 1358 * A version of Logitech FirstMouse+ won't report wheel movement, 1359 * if SET_DEFAULTS is sent... Don't use this command. 1360 * This fix was found by Takashi Nishida. 1361 */ 1362 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1363 if (verbose >= 2) 1364 kprintf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1365 #endif 1366 if (sc->config & PSM_CONFIG_RESOLUTION) 1367 sc->mode.resolution = 1368 set_mouse_resolution(sc->kbdc, 1369 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1370 else if (sc->mode.resolution >= 0) 1371 sc->mode.resolution = 1372 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1373 if (sc->mode.rate > 0) 1374 sc->mode.rate = 1375 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1376 set_mouse_scaling(sc->kbdc, 1); 1377 1378 /* Record sync on the next data packet we see. */ 1379 sc->flags |= PSM_NEED_SYNCBITS; 1380 1381 /* just check the status of the mouse */ 1382 /* 1383 * NOTE: XXX there are some arcane controller/mouse combinations out 1384 * there, which hung the controller unless there is data transmission 1385 * after ACK from the mouse. 1386 */ 1387 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1388 kprintf("psm%d: failed to get status.\n", unit); 1389 else { 1390 /* 1391 * When in its native mode, some mice operate with different 1392 * default parameters than in the PS/2 compatible mode. 1393 */ 1394 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1395 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1396 } 1397 1398 /* disable the aux port for now... */ 1399 if (!set_controller_command_byte(sc->kbdc, 1400 KBD_AUX_CONTROL_BITS, KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1401 /* 1402 * this is CONTROLLER ERROR; I don't know the proper way to 1403 * recover from this error... 1404 */ 1405 kprintf("psm%d: unable to set the command byte.\n", unit); 1406 endprobe(ENXIO); 1407 } 1408 1409 /* done */ 1410 kbdc_lock(sc->kbdc, FALSE); 1411 return (0); 1412 } 1413 1414 static int 1415 psmattach(device_t dev) 1416 { 1417 int unit = device_get_unit(dev); 1418 struct psm_softc *sc = device_get_softc(dev); 1419 int error; 1420 intptr_t irq; 1421 int rid; 1422 1423 /* Setup initial state */ 1424 sc->state = PSM_VALID; 1425 callout_init(&sc->callout); 1426 callout_init(&sc->softcallout); 1427 1428 /* Setup our interrupt handler */ 1429 rid = KBDC_RID_AUX; 1430 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq); 1431 sc->intr = bus_alloc_legacy_irq_resource(dev, &rid, irq, RF_ACTIVE); 1432 1433 if (sc->intr == NULL) 1434 return (ENXIO); 1435 error = BUS_SETUP_INTR(device_get_parent(dev), dev, sc->intr, 1436 INTR_NOPOLL, psmintr, sc, &sc->ih, NULL, NULL); 1437 if (error) { 1438 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1439 return (error); 1440 } 1441 1442 /* Done */ 1443 make_dev(&psm_ops, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, "psm%d", unit); 1444 make_dev(&psm_ops, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, "bpsm%d", unit); 1445 1446 if (!verbose) 1447 kprintf("psm%d: model %s, device ID %d\n", 1448 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1449 else { 1450 kprintf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1451 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1452 sc->hw.hwid >> 8, sc->hw.buttons); 1453 kprintf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1454 unit, sc->config, sc->flags, sc->mode.packetsize); 1455 kprintf("psm%d: syncmask:%02x, syncbits:%02x\n", 1456 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1457 } 1458 1459 if (bootverbose) 1460 --verbose; 1461 1462 return (0); 1463 } 1464 1465 static int 1466 psmdetach(device_t dev) 1467 { 1468 struct psm_softc *sc; 1469 int rid; 1470 1471 sc = device_get_softc(dev); 1472 if (sc->state & PSM_OPEN) 1473 return (EBUSY); 1474 1475 rid = KBDC_RID_AUX; 1476 bus_teardown_intr(dev, sc->intr, sc->ih); 1477 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1478 1479 destroy_dev(sc->dev); 1480 destroy_dev(sc->bdev); 1481 1482 return (0); 1483 } 1484 1485 static int 1486 psmopen(struct dev_open_args *ap) 1487 { 1488 cdev_t dev = ap->a_head.a_dev; 1489 int unit = PSM_UNIT(dev); 1490 struct psm_softc *sc; 1491 int command_byte; 1492 int err; 1493 1494 /* Get device data */ 1495 sc = PSM_SOFTC(unit); 1496 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1497 /* the device is no longer valid/functioning */ 1498 return (ENXIO); 1499 } 1500 1501 /* Disallow multiple opens */ 1502 if (sc->state & PSM_OPEN) 1503 return (EBUSY); 1504 1505 #if 0 1506 device_busy(devclass_get_device(psm_devclass, sc->unit)); 1507 #endif 1508 1509 /* Initialize state */ 1510 sc->mode.level = sc->dflt_mode.level; 1511 sc->mode.protocol = sc->dflt_mode.protocol; 1512 sc->watchdog = FALSE; 1513 1514 /* flush the event queue */ 1515 sc->queue.count = 0; 1516 sc->queue.head = 0; 1517 sc->queue.tail = 0; 1518 sc->status.flags = 0; 1519 sc->status.button = 0; 1520 sc->status.obutton = 0; 1521 sc->status.dx = 0; 1522 sc->status.dy = 0; 1523 sc->status.dz = 0; 1524 sc->button = 0; 1525 sc->pqueue_start = 0; 1526 sc->pqueue_end = 0; 1527 1528 /* empty input buffer */ 1529 flushpackets(sc); 1530 sc->syncerrors = 0; 1531 sc->pkterrors = 0; 1532 1533 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1534 if (!kbdc_lock(sc->kbdc, TRUE)) 1535 return (EIO); 1536 1537 /* save the current controller command byte */ 1538 crit_enter(); 1539 command_byte = get_controller_command_byte(sc->kbdc); 1540 1541 /* enable the aux port and temporalily disable the keyboard */ 1542 if (command_byte == -1 || 1543 !set_controller_command_byte(sc->kbdc, 1544 KBD_AUX_CONTROL_BITS, 1545 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1546 /* CONTROLLER ERROR; do you know how to get out of this? */ 1547 kbdc_lock(sc->kbdc, FALSE); 1548 crit_exit(); 1549 log(LOG_ERR, 1550 "psm%d: unable to set the command byte (psmopen).\n", 1551 sc->unit); 1552 return (EIO); 1553 } 1554 /* 1555 * Now that the keyboard controller is told not to generate 1556 * the keyboard and mouse interrupts, call `splx()' to allow 1557 * the other tty interrupts. The clock interrupt may also occur, 1558 * but timeout routines will be blocked by the poll flag set 1559 * via `kbdc_lock()' 1560 */ 1561 crit_exit(); 1562 1563 /* enable the mouse device */ 1564 err = doopen(sc, command_byte); 1565 1566 /* done */ 1567 if (err == 0) 1568 sc->state |= PSM_OPEN; 1569 kbdc_lock(sc->kbdc, FALSE); 1570 return (err); 1571 } 1572 1573 static int 1574 psmclose(struct dev_close_args *ap) 1575 { 1576 cdev_t dev = ap->a_head.a_dev; 1577 int unit = PSM_UNIT(dev); 1578 struct psm_softc *sc = PSM_SOFTC(unit); 1579 int stat[3]; 1580 int command_byte; 1581 1582 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1583 if (!kbdc_lock(sc->kbdc, TRUE)) 1584 return (EIO); 1585 1586 /* save the current controller command byte */ 1587 crit_enter(); 1588 command_byte = get_controller_command_byte(sc->kbdc); 1589 if (command_byte == -1) { 1590 kbdc_lock(sc->kbdc, FALSE); 1591 crit_exit(); 1592 return (EIO); 1593 } 1594 1595 /* disable the aux interrupt and temporalily disable the keyboard */ 1596 if (!set_controller_command_byte(sc->kbdc, 1597 KBD_AUX_CONTROL_BITS, 1598 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1599 log(LOG_ERR, 1600 "psm%d: failed to disable the aux int (psmclose).\n", 1601 sc->unit); 1602 /* CONTROLLER ERROR; 1603 * NOTE: we shall force our way through. Because the only 1604 * ill effect we shall see is that we may not be able 1605 * to read ACK from the mouse, and it doesn't matter much 1606 * so long as the mouse will accept the DISABLE command. 1607 */ 1608 } 1609 crit_exit(); 1610 1611 /* stop the watchdog timer */ 1612 callout_stop(&sc->callout); 1613 1614 /* remove anything left in the output buffer */ 1615 empty_aux_buffer(sc->kbdc, 10); 1616 1617 /* disable the aux device, port and interrupt */ 1618 if (sc->state & PSM_VALID) { 1619 if (!disable_aux_dev(sc->kbdc)) { 1620 /* MOUSE ERROR; 1621 * NOTE: we don't return (error) and continue, 1622 * pretending we have successfully disabled the device. 1623 * It's OK because the interrupt routine will discard 1624 * any data from the mouse hereafter. 1625 */ 1626 log(LOG_ERR, 1627 "psm%d: failed to disable the device (psmclose).\n", 1628 sc->unit); 1629 } 1630 1631 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1632 log(LOG_DEBUG, 1633 "psm%d: failed to get status (psmclose).\n", 1634 sc->unit); 1635 } 1636 1637 if (!set_controller_command_byte(sc->kbdc, 1638 KBD_AUX_CONTROL_BITS, KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1639 /* 1640 * CONTROLLER ERROR; 1641 * we shall ignore this error; see the above comment. 1642 */ 1643 log(LOG_ERR, 1644 "psm%d: failed to disable the aux port (psmclose).\n", 1645 sc->unit); 1646 } 1647 1648 /* remove anything left in the output buffer */ 1649 empty_aux_buffer(sc->kbdc, 10); 1650 1651 /* close is almost always successful */ 1652 sc->state &= ~PSM_OPEN; 1653 kbdc_lock(sc->kbdc, FALSE); 1654 #if 0 1655 device_unbusy(devclass_get_device(psm_devclass, sc->unit)); 1656 #endif 1657 return (0); 1658 } 1659 1660 static int 1661 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1662 u_char *buf) 1663 { 1664 static u_char butmapps2[8] = { 1665 0, 1666 MOUSE_PS2_BUTTON1DOWN, 1667 MOUSE_PS2_BUTTON2DOWN, 1668 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1669 MOUSE_PS2_BUTTON3DOWN, 1670 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1671 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1672 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1673 MOUSE_PS2_BUTTON3DOWN, 1674 }; 1675 static u_char butmapmsc[8] = { 1676 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1677 MOUSE_MSC_BUTTON3UP, 1678 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1679 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1680 MOUSE_MSC_BUTTON3UP, 1681 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1682 MOUSE_MSC_BUTTON2UP, 1683 MOUSE_MSC_BUTTON1UP, 1684 0, 1685 }; 1686 int mapped; 1687 int i; 1688 1689 if (sc->mode.level == PSM_LEVEL_BASE) { 1690 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1691 if (status->button & MOUSE_BUTTON4DOWN) 1692 mapped |= MOUSE_BUTTON1DOWN; 1693 status->button = mapped; 1694 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1695 i = imax(imin(status->dx, 255), -256); 1696 if (i < 0) 1697 buf[0] |= MOUSE_PS2_XNEG; 1698 buf[1] = i; 1699 i = imax(imin(status->dy, 255), -256); 1700 if (i < 0) 1701 buf[0] |= MOUSE_PS2_YNEG; 1702 buf[2] = i; 1703 return (MOUSE_PS2_PACKETSIZE); 1704 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1705 buf[0] = MOUSE_MSC_SYNC | 1706 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1707 i = imax(imin(status->dx, 255), -256); 1708 buf[1] = i >> 1; 1709 buf[3] = i - buf[1]; 1710 i = imax(imin(status->dy, 255), -256); 1711 buf[2] = i >> 1; 1712 buf[4] = i - buf[2]; 1713 i = imax(imin(status->dz, 127), -128); 1714 buf[5] = (i >> 1) & 0x7f; 1715 buf[6] = (i - (i >> 1)) & 0x7f; 1716 buf[7] = (~status->button >> 3) & 0x7f; 1717 return (MOUSE_SYS_PACKETSIZE); 1718 } 1719 return (pb->inputbytes); 1720 } 1721 1722 static int 1723 psmread(struct dev_read_args *ap) 1724 { 1725 cdev_t dev = ap->a_head.a_dev; 1726 struct uio *uio = ap->a_uio; 1727 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1728 u_char buf[PSM_SMALLBUFSIZE]; 1729 int error = 0; 1730 int l; 1731 1732 if ((sc->state & PSM_VALID) == 0) 1733 return (EIO); 1734 1735 /* block until mouse activity occured */ 1736 crit_enter(); 1737 while (sc->queue.count <= 0) { 1738 if (dev != sc->bdev) { 1739 crit_exit(); 1740 return (EWOULDBLOCK); 1741 } 1742 sc->state |= PSM_ASLP; 1743 error = tsleep((caddr_t) sc, PCATCH, "psmrea", 0); 1744 sc->state &= ~PSM_ASLP; 1745 if (error) { 1746 crit_exit(); 1747 return (error); 1748 } else if ((sc->state & PSM_VALID) == 0) { 1749 /* the device disappeared! */ 1750 crit_exit(); 1751 return (EIO); 1752 } 1753 } 1754 crit_exit(); 1755 1756 /* copy data to the user land */ 1757 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1758 crit_enter(); 1759 l = imin(sc->queue.count, uio->uio_resid); 1760 if (l > sizeof(buf)) 1761 l = sizeof(buf); 1762 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1763 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1764 sizeof(sc->queue.buf) - sc->queue.head); 1765 bcopy(&sc->queue.buf[0], 1766 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1767 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1768 } else 1769 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1770 sc->queue.count -= l; 1771 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1772 crit_exit(); 1773 error = uiomove(buf, (size_t)l, uio); 1774 if (error) 1775 break; 1776 } 1777 1778 return (error); 1779 } 1780 1781 static int 1782 block_mouse_data(struct psm_softc *sc, int *c) 1783 { 1784 1785 if (!kbdc_lock(sc->kbdc, TRUE)) 1786 return (EIO); 1787 1788 crit_enter(); 1789 *c = get_controller_command_byte(sc->kbdc); 1790 if ((*c == -1) || 1791 !set_controller_command_byte(sc->kbdc, 1792 KBD_AUX_CONTROL_BITS, 1793 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1794 /* this is CONTROLLER ERROR */ 1795 crit_exit(); 1796 kbdc_lock(sc->kbdc, FALSE); 1797 return (EIO); 1798 } 1799 1800 /* 1801 * The device may be in the middle of status data transmission. 1802 * The transmission will be interrupted, thus, incomplete status 1803 * data must be discarded. Although the aux interrupt is disabled 1804 * at the keyboard controller level, at most one aux interrupt 1805 * may have already been pending and a data byte is in the 1806 * output buffer; throw it away. Note that the second argument 1807 * to `empty_aux_buffer()' is zero, so that the call will just 1808 * flush the internal queue. 1809 * `psmintr()' will be invoked after `splx()' if an interrupt is 1810 * pending; it will see no data and returns immediately. 1811 */ 1812 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1813 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1814 flushpackets(sc); 1815 crit_exit(); 1816 1817 return (0); 1818 } 1819 1820 static void 1821 dropqueue(struct psm_softc *sc) 1822 { 1823 1824 sc->queue.count = 0; 1825 sc->queue.head = 0; 1826 sc->queue.tail = 0; 1827 if ((sc->state & PSM_SOFTARMED) != 0) { 1828 sc->state &= ~PSM_SOFTARMED; 1829 callout_stop(&sc->softcallout); 1830 } 1831 sc->pqueue_start = sc->pqueue_end; 1832 } 1833 1834 static void 1835 flushpackets(struct psm_softc *sc) 1836 { 1837 1838 dropqueue(sc); 1839 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1840 } 1841 1842 static int 1843 unblock_mouse_data(struct psm_softc *sc, int c) 1844 { 1845 int error = 0; 1846 1847 /* 1848 * We may have seen a part of status data during `set_mouse_XXX()'. 1849 * they have been queued; flush it. 1850 */ 1851 empty_aux_buffer(sc->kbdc, 0); 1852 1853 /* restore ports and interrupt */ 1854 if (!set_controller_command_byte(sc->kbdc, 1855 KBD_AUX_CONTROL_BITS, c & (KBD_AUX_CONTROL_BITS))) { 1856 /* 1857 * CONTROLLER ERROR; this is serious, we may have 1858 * been left with the inaccessible keyboard and 1859 * the disabled mouse interrupt. 1860 */ 1861 error = EIO; 1862 } 1863 1864 kbdc_lock(sc->kbdc, FALSE); 1865 return (error); 1866 } 1867 1868 static int 1869 psmwrite(struct dev_write_args *ap) 1870 { 1871 cdev_t dev = ap->a_head.a_dev; 1872 struct uio *uio = ap->a_uio; 1873 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1874 u_char buf[PSM_SMALLBUFSIZE]; 1875 int error = 0, i, l; 1876 1877 if ((sc->state & PSM_VALID) == 0) 1878 return (EIO); 1879 1880 if (sc->mode.level < PSM_LEVEL_NATIVE) 1881 return (ENODEV); 1882 1883 /* copy data from the user land */ 1884 while (uio->uio_resid > 0) { 1885 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1886 error = uiomove(buf, l, uio); 1887 if (error) 1888 break; 1889 for (i = 0; i < l; i++) { 1890 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1891 if (!write_aux_command(sc->kbdc, buf[i])) { 1892 VLOG(2, (LOG_DEBUG, 1893 "psm: cmd 0x%x failed.\n", buf[i])); 1894 return (reinitialize(sc, FALSE)); 1895 } 1896 } 1897 } 1898 1899 return (error); 1900 } 1901 1902 static int 1903 psmioctl(struct dev_ioctl_args *ap) 1904 { 1905 cdev_t dev = ap->a_head.a_dev; 1906 caddr_t addr= ap->a_data; 1907 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1908 mousemode_t mode; 1909 mousestatus_t status; 1910 #if (defined(MOUSE_GETVARS)) 1911 mousevar_t *var; 1912 #endif 1913 mousedata_t *data; 1914 int stat[3]; 1915 int command_byte; 1916 int error = 0; 1917 1918 mode.resolution = -1; 1919 1920 /* Perform IOCTL command */ 1921 switch (ap->a_cmd) { 1922 1923 case OLD_MOUSE_GETHWINFO: 1924 crit_enter(); 1925 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1926 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1927 ((old_mousehw_t *)addr)->type = sc->hw.type; 1928 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1929 crit_exit(); 1930 break; 1931 1932 case MOUSE_GETHWINFO: 1933 crit_enter(); 1934 *(mousehw_t *)addr = sc->hw; 1935 if (sc->mode.level == PSM_LEVEL_BASE) 1936 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1937 crit_exit(); 1938 break; 1939 1940 case MOUSE_SYN_GETHWINFO: 1941 crit_enter(); 1942 if (synaptics_support && sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1943 *(synapticshw_t *)addr = sc->synhw; 1944 else 1945 error = EINVAL; 1946 crit_exit(); 1947 break; 1948 1949 case OLD_MOUSE_GETMODE: 1950 crit_enter(); 1951 switch (sc->mode.level) { 1952 case PSM_LEVEL_BASE: 1953 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1954 break; 1955 case PSM_LEVEL_STANDARD: 1956 ((old_mousemode_t *)addr)->protocol = 1957 MOUSE_PROTO_SYSMOUSE; 1958 break; 1959 case PSM_LEVEL_NATIVE: 1960 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1961 break; 1962 } 1963 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1964 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1965 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1966 crit_exit(); 1967 break; 1968 1969 case MOUSE_GETMODE: 1970 crit_enter(); 1971 *(mousemode_t *)addr = sc->mode; 1972 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 1973 ((mousemode_t *)addr)->syncmask[0] = 0; 1974 ((mousemode_t *)addr)->syncmask[1] = 0; 1975 } 1976 ((mousemode_t *)addr)->resolution = 1977 MOUSE_RES_LOW - sc->mode.resolution; 1978 switch (sc->mode.level) { 1979 case PSM_LEVEL_BASE: 1980 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1981 ((mousemode_t *)addr)->packetsize = 1982 MOUSE_PS2_PACKETSIZE; 1983 break; 1984 case PSM_LEVEL_STANDARD: 1985 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1986 ((mousemode_t *)addr)->packetsize = 1987 MOUSE_SYS_PACKETSIZE; 1988 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1989 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1990 break; 1991 case PSM_LEVEL_NATIVE: 1992 /* FIXME: this isn't quite correct... XXX */ 1993 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1994 break; 1995 } 1996 crit_exit(); 1997 break; 1998 1999 case OLD_MOUSE_SETMODE: 2000 case MOUSE_SETMODE: 2001 if (ap->a_cmd == OLD_MOUSE_SETMODE) { 2002 mode.rate = ((old_mousemode_t *)addr)->rate; 2003 /* 2004 * resolution old I/F new I/F 2005 * default 0 0 2006 * low 1 -2 2007 * medium low 2 -3 2008 * medium high 3 -4 2009 * high 4 -5 2010 */ 2011 if (((old_mousemode_t *)addr)->resolution > 0) 2012 mode.resolution = 2013 -((old_mousemode_t *)addr)->resolution - 1; 2014 else 2015 mode.resolution = 0; 2016 mode.accelfactor = 2017 ((old_mousemode_t *)addr)->accelfactor; 2018 mode.level = -1; 2019 } else 2020 mode = *(mousemode_t *)addr; 2021 2022 /* adjust and validate parameters. */ 2023 if (mode.rate > UCHAR_MAX) 2024 return (EINVAL); 2025 if (mode.rate == 0) 2026 mode.rate = sc->dflt_mode.rate; 2027 else if (mode.rate == -1) 2028 /* don't change the current setting */ 2029 ; 2030 else if (mode.rate < 0) 2031 return (EINVAL); 2032 if (mode.resolution >= UCHAR_MAX) 2033 return (EINVAL); 2034 if (mode.resolution >= 200) 2035 mode.resolution = MOUSE_RES_HIGH; 2036 else if (mode.resolution >= 100) 2037 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2038 else if (mode.resolution >= 50) 2039 mode.resolution = MOUSE_RES_MEDIUMLOW; 2040 else if (mode.resolution > 0) 2041 mode.resolution = MOUSE_RES_LOW; 2042 if (mode.resolution == MOUSE_RES_DEFAULT) 2043 mode.resolution = sc->dflt_mode.resolution; 2044 else if (mode.resolution == -1) 2045 /* don't change the current setting */ 2046 ; 2047 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2048 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2049 if (mode.level == -1) 2050 /* don't change the current setting */ 2051 mode.level = sc->mode.level; 2052 else if ((mode.level < PSM_LEVEL_MIN) || 2053 (mode.level > PSM_LEVEL_MAX)) 2054 return (EINVAL); 2055 if (mode.accelfactor == -1) 2056 /* don't change the current setting */ 2057 mode.accelfactor = sc->mode.accelfactor; 2058 else if (mode.accelfactor < 0) 2059 return (EINVAL); 2060 2061 /* don't allow anybody to poll the keyboard controller */ 2062 error = block_mouse_data(sc, &command_byte); 2063 if (error) 2064 return (error); 2065 2066 /* set mouse parameters */ 2067 if (mode.rate > 0) 2068 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2069 mode.rate); 2070 if (mode.resolution >= 0) 2071 mode.resolution = 2072 set_mouse_resolution(sc->kbdc, mode.resolution); 2073 set_mouse_scaling(sc->kbdc, 1); 2074 get_mouse_status(sc->kbdc, stat, 0, 3); 2075 2076 crit_enter(); 2077 sc->mode.rate = mode.rate; 2078 sc->mode.resolution = mode.resolution; 2079 sc->mode.accelfactor = mode.accelfactor; 2080 sc->mode.level = mode.level; 2081 crit_exit(); 2082 2083 unblock_mouse_data(sc, command_byte); 2084 break; 2085 2086 case MOUSE_GETLEVEL: 2087 *(int *)addr = sc->mode.level; 2088 break; 2089 2090 case MOUSE_SETLEVEL: 2091 if ((*(int *)addr < PSM_LEVEL_MIN) || 2092 (*(int *)addr > PSM_LEVEL_MAX)) 2093 return (EINVAL); 2094 sc->mode.level = *(int *)addr; 2095 break; 2096 2097 case MOUSE_GETSTATUS: 2098 crit_enter(); 2099 status = sc->status; 2100 sc->status.flags = 0; 2101 sc->status.obutton = sc->status.button; 2102 sc->status.button = 0; 2103 sc->status.dx = 0; 2104 sc->status.dy = 0; 2105 sc->status.dz = 0; 2106 crit_exit(); 2107 *(mousestatus_t *)addr = status; 2108 break; 2109 2110 #if (defined(MOUSE_GETVARS)) 2111 case MOUSE_GETVARS: 2112 var = (mousevar_t *)addr; 2113 bzero(var, sizeof(*var)); 2114 crit_enter(); 2115 var->var[0] = MOUSE_VARS_PS2_SIG; 2116 var->var[1] = sc->config; 2117 var->var[2] = sc->flags; 2118 crit_exit(); 2119 break; 2120 2121 case MOUSE_SETVARS: 2122 return (ENODEV); 2123 #endif /* MOUSE_GETVARS */ 2124 2125 case MOUSE_READSTATE: 2126 case MOUSE_READDATA: 2127 data = (mousedata_t *)addr; 2128 if (data->len > NELEM(data->buf)) 2129 return (EINVAL); 2130 2131 error = block_mouse_data(sc, &command_byte); 2132 if (error) 2133 return (error); 2134 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2135 (ap->a_cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2136 error = EIO; 2137 unblock_mouse_data(sc, command_byte); 2138 break; 2139 2140 #if (defined(MOUSE_SETRESOLUTION)) 2141 case MOUSE_SETRESOLUTION: 2142 mode.resolution = *(int *)addr; 2143 if (mode.resolution >= UCHAR_MAX) 2144 return (EINVAL); 2145 else if (mode.resolution >= 200) 2146 mode.resolution = MOUSE_RES_HIGH; 2147 else if (mode.resolution >= 100) 2148 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2149 else if (mode.resolution >= 50) 2150 mode.resolution = MOUSE_RES_MEDIUMLOW; 2151 else if (mode.resolution > 0) 2152 mode.resolution = MOUSE_RES_LOW; 2153 if (mode.resolution == MOUSE_RES_DEFAULT) 2154 mode.resolution = sc->dflt_mode.resolution; 2155 else if (mode.resolution == -1) 2156 mode.resolution = sc->mode.resolution; 2157 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2158 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2159 2160 error = block_mouse_data(sc, &command_byte); 2161 if (error) 2162 return (error); 2163 sc->mode.resolution = 2164 set_mouse_resolution(sc->kbdc, mode.resolution); 2165 if (sc->mode.resolution != mode.resolution) 2166 error = EIO; 2167 unblock_mouse_data(sc, command_byte); 2168 break; 2169 #endif /* MOUSE_SETRESOLUTION */ 2170 2171 #if (defined(MOUSE_SETRATE)) 2172 case MOUSE_SETRATE: 2173 mode.rate = *(int *)addr; 2174 if (mode.rate > UCHAR_MAX) 2175 return (EINVAL); 2176 if (mode.rate == 0) 2177 mode.rate = sc->dflt_mode.rate; 2178 else if (mode.rate < 0) 2179 mode.rate = sc->mode.rate; 2180 2181 error = block_mouse_data(sc, &command_byte); 2182 if (error) 2183 return (error); 2184 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2185 if (sc->mode.rate != mode.rate) 2186 error = EIO; 2187 unblock_mouse_data(sc, command_byte); 2188 break; 2189 #endif /* MOUSE_SETRATE */ 2190 2191 #if (defined(MOUSE_SETSCALING)) 2192 case MOUSE_SETSCALING: 2193 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2194 return (EINVAL); 2195 2196 error = block_mouse_data(sc, &command_byte); 2197 if (error) 2198 return (error); 2199 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2200 error = EIO; 2201 unblock_mouse_data(sc, command_byte); 2202 break; 2203 #endif /* MOUSE_SETSCALING */ 2204 2205 #if (defined(MOUSE_GETHWID)) 2206 case MOUSE_GETHWID: 2207 error = block_mouse_data(sc, &command_byte); 2208 if (error) 2209 return (error); 2210 sc->hw.hwid &= ~0x00ff; 2211 sc->hw.hwid |= get_aux_id(sc->kbdc); 2212 *(int *)addr = sc->hw.hwid & 0x00ff; 2213 unblock_mouse_data(sc, command_byte); 2214 break; 2215 #endif /* MOUSE_GETHWID */ 2216 2217 default: 2218 return (ENOTTY); 2219 } 2220 2221 return (error); 2222 } 2223 2224 static void 2225 psmtimeout(void *arg) 2226 { 2227 struct psm_softc *sc; 2228 2229 sc = (struct psm_softc *)arg; 2230 crit_enter(); 2231 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2232 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2233 psmintr(sc); 2234 kbdc_lock(sc->kbdc, FALSE); 2235 } 2236 sc->watchdog = TRUE; 2237 crit_exit(); 2238 callout_reset(&sc->callout, hz, psmtimeout, (void *)(uintptr_t)sc); 2239 } 2240 2241 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2242 SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2243 SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2244 2245 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2246 "Verbosity level"); 2247 2248 static int psmhz = 20; 2249 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2250 "Frequency of the softcallout (in hz)"); 2251 static int psmerrsecs = 2; 2252 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2253 "Number of seconds during which packets will dropped after a sync error"); 2254 static int psmerrusecs = 0; 2255 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2256 "Microseconds to add to psmerrsecs"); 2257 static int psmsecs = 0; 2258 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2259 "Max number of seconds between soft interrupts"); 2260 static int psmusecs = 500000; 2261 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2262 "Microseconds to add to psmsecs"); 2263 static int pkterrthresh = 2; 2264 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2265 "Number of error packets allowed before reinitializing the mouse"); 2266 2267 SYSCTL_INT(_hw_psm, OID_AUTO, tap_enabled, CTLFLAG_RW, &tap_enabled, 0, 2268 "Enable tap and drag gestures"); 2269 static int tap_threshold = PSM_TAP_THRESHOLD; 2270 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2271 "Button tap threshold"); 2272 static int tap_timeout = PSM_TAP_TIMEOUT; 2273 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2274 "Tap timeout for touchpads"); 2275 2276 static void 2277 psmintr(void *arg) 2278 { 2279 struct psm_softc *sc = arg; 2280 struct timeval now; 2281 int c; 2282 packetbuf_t *pb; 2283 2284 2285 /* read until there is nothing to read */ 2286 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2287 pb = &sc->pqueue[sc->pqueue_end]; 2288 2289 /* discard the byte if the device is not open */ 2290 if ((sc->state & PSM_OPEN) == 0) 2291 continue; 2292 2293 getmicrouptime(&now); 2294 if ((pb->inputbytes > 0) && 2295 timevalcmp(&now, &sc->inputtimeout, >)) { 2296 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2297 "resetting byte count\n")); 2298 pb->inputbytes = 0; 2299 sc->syncerrors = 0; 2300 sc->pkterrors = 0; 2301 } 2302 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2303 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2304 timevaladd(&sc->inputtimeout, &now); 2305 2306 pb->ipacket[pb->inputbytes++] = c; 2307 2308 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2309 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2310 sc->syncerrors = 0; 2311 sc->pkterrors = 0; 2312 goto next; 2313 } else { 2314 if (pb->inputbytes < sc->mode.packetsize) 2315 continue; 2316 2317 VLOG(4, (LOG_DEBUG, 2318 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2319 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2320 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2321 } 2322 2323 c = pb->ipacket[0]; 2324 2325 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2326 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2327 sc->flags &= ~PSM_NEED_SYNCBITS; 2328 VLOG(2, (LOG_DEBUG, 2329 "psmintr: Sync bytes now %04x,%04x\n", 2330 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2331 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2332 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2333 "(%04x != %04x) %d cmds since last error.\n", 2334 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2335 sc->cmdcount - sc->lasterr)); 2336 sc->lasterr = sc->cmdcount; 2337 /* 2338 * The sync byte test is a weak measure of packet 2339 * validity. Conservatively discard any input yet 2340 * to be seen by userland when we detect a sync 2341 * error since there is a good chance some of 2342 * the queued packets have undetected errors. 2343 */ 2344 dropqueue(sc); 2345 if (sc->syncerrors == 0) 2346 sc->pkterrors++; 2347 ++sc->syncerrors; 2348 sc->lastinputerr = now; 2349 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2350 sc->pkterrors >= pkterrthresh) { 2351 /* 2352 * If we've failed to find a single sync byte 2353 * in 2 packets worth of data, or we've seen 2354 * persistent packet errors during the 2355 * validation period, reinitialize the mouse 2356 * in hopes of returning it to the expected 2357 * mode. 2358 */ 2359 VLOG(3, (LOG_DEBUG, 2360 "psmintr: reset the mouse.\n")); 2361 reinitialize(sc, TRUE); 2362 } else if (sc->syncerrors == sc->mode.packetsize) { 2363 /* 2364 * Try a soft reset after searching for a sync 2365 * byte through a packet length of bytes. 2366 */ 2367 VLOG(3, (LOG_DEBUG, 2368 "psmintr: re-enable the mouse.\n")); 2369 pb->inputbytes = 0; 2370 disable_aux_dev(sc->kbdc); 2371 enable_aux_dev(sc->kbdc); 2372 } else { 2373 VLOG(3, (LOG_DEBUG, 2374 "psmintr: discard a byte (%d)\n", 2375 sc->syncerrors)); 2376 pb->inputbytes--; 2377 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2378 pb->inputbytes); 2379 } 2380 continue; 2381 } 2382 2383 /* 2384 * We have what appears to be a valid packet. 2385 * Reset the error counters. 2386 */ 2387 sc->syncerrors = 0; 2388 2389 /* 2390 * Drop even good packets if they occur within a timeout 2391 * period of a sync error. This allows the detection of 2392 * a change in the mouse's packet mode without exposing 2393 * erratic mouse behavior to the user. Some KVMs forget 2394 * enhanced mouse modes during switch events. 2395 */ 2396 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2397 &now)) { 2398 pb->inputbytes = 0; 2399 continue; 2400 } 2401 2402 /* 2403 * Now that we're out of the validation period, reset 2404 * the packet error count. 2405 */ 2406 sc->pkterrors = 0; 2407 2408 sc->cmdcount++; 2409 next: 2410 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2411 sc->pqueue_end = 0; 2412 /* 2413 * If we've filled the queue then call the softintr ourselves, 2414 * otherwise schedule the interrupt for later. 2415 */ 2416 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2417 (sc->pqueue_end == sc->pqueue_start)) { 2418 if ((sc->state & PSM_SOFTARMED) != 0) { 2419 sc->state &= ~PSM_SOFTARMED; 2420 callout_stop(&sc->softcallout); 2421 } 2422 psmsoftintr(arg); 2423 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2424 sc->state |= PSM_SOFTARMED; 2425 callout_reset(&sc->softcallout, psmhz < 1 ? 1 : (hz/psmhz), 2426 psmsoftintr, arg); 2427 } 2428 } 2429 } 2430 2431 static void 2432 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2433 int *x, int *y, int *z) 2434 { 2435 2436 /* 2437 * PS2++ protocl packet 2438 * 2439 * b7 b6 b5 b4 b3 b2 b1 b0 2440 * byte 1: * 1 p3 p2 1 * * * 2441 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2442 * 2443 * p3-p0: packet type 2444 * c1, c2: c1 & c2 == 1, if p2 == 0 2445 * c1 & c2 == 0, if p2 == 1 2446 * 2447 * packet type: 0 (device type) 2448 * See comments in enable_mmanplus() below. 2449 * 2450 * packet type: 1 (wheel data) 2451 * 2452 * b7 b6 b5 b4 b3 b2 b1 b0 2453 * byte 3: h * B5 B4 s d2 d1 d0 2454 * 2455 * h: 1, if horizontal roller data 2456 * 0, if vertical roller data 2457 * B4, B5: button 4 and 5 2458 * s: sign bit 2459 * d2-d0: roller data 2460 * 2461 * packet type: 2 (reserved) 2462 */ 2463 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2464 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2465 /* 2466 * the extended data packet encodes button 2467 * and wheel events 2468 */ 2469 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2470 case 1: 2471 /* wheel data packet */ 2472 *x = *y = 0; 2473 if (pb->ipacket[2] & 0x80) { 2474 /* XXX horizontal roller count - ignore it */ 2475 ; 2476 } else { 2477 /* vertical roller count */ 2478 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2479 (pb->ipacket[2] & 0x0f) - 16 : 2480 (pb->ipacket[2] & 0x0f); 2481 } 2482 ms->button |= (pb->ipacket[2] & 2483 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2484 MOUSE_BUTTON4DOWN : 0; 2485 ms->button |= (pb->ipacket[2] & 2486 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2487 MOUSE_BUTTON5DOWN : 0; 2488 break; 2489 case 2: 2490 /* 2491 * this packet type is reserved by 2492 * Logitech... 2493 */ 2494 /* 2495 * IBM ScrollPoint Mouse uses this 2496 * packet type to encode both vertical 2497 * and horizontal scroll movement. 2498 */ 2499 *x = *y = 0; 2500 /* horizontal count */ 2501 if (pb->ipacket[2] & 0x0f) 2502 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2503 -2 : 2; 2504 /* vertical count */ 2505 if (pb->ipacket[2] & 0xf0) 2506 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2507 -1 : 1; 2508 break; 2509 case 0: 2510 /* device type packet - shouldn't happen */ 2511 /* FALLTHROUGH */ 2512 default: 2513 *x = *y = 0; 2514 ms->button = ms->obutton; 2515 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2516 "type %d: 0x%02x 0x%02x 0x%02x\n", 2517 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2518 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2519 break; 2520 } 2521 } else { 2522 /* preserve button states */ 2523 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2524 } 2525 } 2526 2527 static int 2528 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2529 int *x, int *y, int *z) 2530 { 2531 static int touchpad_buttons; 2532 static int guest_buttons; 2533 int w, x0, y0; 2534 2535 /* TouchPad PS/2 absolute mode message format 2536 * 2537 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2538 * ------------------------------------------------ 2539 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2540 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2541 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2542 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2543 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2544 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2545 * 2546 * Legend: 2547 * L: left physical mouse button 2548 * R: right physical mouse button 2549 * D: down button 2550 * U: up button 2551 * W: "wrist" value 2552 * X: x position 2553 * Y: y position 2554 * Z: pressure 2555 * 2556 * Absolute reportable limits: 0 - 6143. 2557 * Typical bezel limits: 1472 - 5472. 2558 * Typical edge marings: 1632 - 5312. 2559 * 2560 * w = 3 Passthrough Packet 2561 * 2562 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2563 */ 2564 2565 if (!synaptics_support) 2566 return (0); 2567 2568 /* Sanity check for out of sync packets. */ 2569 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2570 (pb->ipacket[3] & 0xc8) != 0xc0) 2571 return (-1); 2572 2573 *x = *y = 0; 2574 2575 /* 2576 * Pressure value. 2577 * Interpretation: 2578 * z = 0 No finger contact 2579 * z = 10 Finger hovering near the pad 2580 * z = 30 Very light finger contact 2581 * z = 80 Normal finger contact 2582 * z = 110 Very heavy finger contact 2583 * z = 200 Finger lying flat on pad surface 2584 * z = 255 Maximum reportable Z 2585 */ 2586 *z = pb->ipacket[2]; 2587 2588 /* 2589 * Finger width value 2590 * Interpretation: 2591 * w = 0 Two finger on the pad (capMultiFinger needed) 2592 * w = 1 Three or more fingers (capMultiFinger needed) 2593 * w = 2 Pen (instead of finger) (capPen needed) 2594 * w = 3 Reserved (passthrough?) 2595 * w = 4-7 Finger of normal width (capPalmDetect needed) 2596 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2597 * w = 15 Maximum reportable width (capPalmDetect needed) 2598 */ 2599 /* XXX Is checking capExtended enough? */ 2600 if (sc->synhw.capExtended) 2601 w = ((pb->ipacket[0] & 0x30) >> 2) | 2602 ((pb->ipacket[0] & 0x04) >> 1) | 2603 ((pb->ipacket[3] & 0x04) >> 2); 2604 else { 2605 /* Assume a finger of regular width. */ 2606 w = 4; 2607 } 2608 2609 /* Handle packets from the guest device */ 2610 /* XXX Documentation? */ 2611 if (w == 3 && sc->synhw.capPassthrough) { 2612 *x = ((pb->ipacket[1] & 0x10) ? 2613 pb->ipacket[4] - 256 : pb->ipacket[4]); 2614 *y = ((pb->ipacket[1] & 0x20) ? 2615 pb->ipacket[5] - 256 : pb->ipacket[5]); 2616 *z = 0; 2617 2618 guest_buttons = 0; 2619 if (pb->ipacket[1] & 0x01) 2620 guest_buttons |= MOUSE_BUTTON1DOWN; 2621 if (pb->ipacket[1] & 0x04) 2622 guest_buttons |= MOUSE_BUTTON2DOWN; 2623 if (pb->ipacket[1] & 0x02) 2624 guest_buttons |= MOUSE_BUTTON3DOWN; 2625 2626 ms->button = touchpad_buttons | guest_buttons; 2627 goto SYNAPTICS_END; 2628 } 2629 2630 /* Button presses */ 2631 touchpad_buttons = 0; 2632 if (pb->ipacket[0] & 0x01) 2633 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2634 if (pb->ipacket[0] & 0x02) 2635 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2636 2637 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2638 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2639 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2640 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2641 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2642 } 2643 2644 /* 2645 * In newer pads - bit 0x02 in the third byte of 2646 * the packet indicates that we have an extended 2647 * button press. 2648 */ 2649 /* XXX Documentation? */ 2650 if (pb->ipacket[3] & 0x02) { 2651 /* 2652 * if directional_scrolls is not 1, we treat any of 2653 * the scrolling directions as middle-click. 2654 */ 2655 if (sc->syninfo.directional_scrolls) { 2656 if (pb->ipacket[4] & 0x01) 2657 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2658 if (pb->ipacket[5] & 0x01) 2659 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2660 if (pb->ipacket[4] & 0x02) 2661 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2662 if (pb->ipacket[5] & 0x02) 2663 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2664 } else { 2665 if ((pb->ipacket[4] & 0x0F) || 2666 (pb->ipacket[5] & 0x0F)) 2667 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2668 } 2669 } 2670 2671 ms->button = touchpad_buttons | guest_buttons; 2672 2673 /* Check pressure to detect a real wanted action on the 2674 * touchpad. */ 2675 if (*z >= sc->syninfo.min_pressure) { 2676 synapticsaction_t *synaction; 2677 int cursor, peer, window; 2678 int dx, dy, dxp, dyp; 2679 int max_width, max_pressure; 2680 int margin_top, margin_right, margin_bottom, margin_left; 2681 int na_top, na_right, na_bottom, na_left; 2682 int window_min, window_max; 2683 int multiplicator; 2684 int weight_current, weight_previous, weight_len_squared; 2685 int div_min, div_max, div_len; 2686 int vscroll_hor_area, vscroll_ver_area; 2687 2688 int len, weight_prev_x, weight_prev_y; 2689 int div_max_x, div_max_y, div_x, div_y; 2690 2691 /* Read sysctl. */ 2692 /* XXX Verify values? */ 2693 max_width = sc->syninfo.max_width; 2694 max_pressure = sc->syninfo.max_pressure; 2695 margin_top = sc->syninfo.margin_top; 2696 margin_right = sc->syninfo.margin_right; 2697 margin_bottom = sc->syninfo.margin_bottom; 2698 margin_left = sc->syninfo.margin_left; 2699 na_top = sc->syninfo.na_top; 2700 na_right = sc->syninfo.na_right; 2701 na_bottom = sc->syninfo.na_bottom; 2702 na_left = sc->syninfo.na_left; 2703 window_min = sc->syninfo.window_min; 2704 window_max = sc->syninfo.window_max; 2705 multiplicator = sc->syninfo.multiplicator; 2706 weight_current = sc->syninfo.weight_current; 2707 weight_previous = sc->syninfo.weight_previous; 2708 weight_len_squared = sc->syninfo.weight_len_squared; 2709 div_min = sc->syninfo.div_min; 2710 div_max = sc->syninfo.div_max; 2711 div_len = sc->syninfo.div_len; 2712 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2713 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2714 2715 /* Palm detection. */ 2716 if (!( 2717 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2718 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2719 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2720 (sc->synhw.capPen && w == 2))) { 2721 /* 2722 * We consider the packet irrelevant for the current 2723 * action when: 2724 * - the width isn't comprised in: 2725 * [4; max_width] 2726 * - the pressure isn't comprised in: 2727 * [min_pressure; max_pressure] 2728 * - pen aren't supported but w is 2 2729 * 2730 * Note that this doesn't terminate the current action. 2731 */ 2732 VLOG(2, (LOG_DEBUG, 2733 "synaptics: palm detected! (%d)\n", w)); 2734 goto SYNAPTICS_END; 2735 } 2736 2737 /* Read current absolute position. */ 2738 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2739 ((pb->ipacket[1] & 0x0f) << 8) | 2740 pb->ipacket[4]; 2741 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2742 ((pb->ipacket[1] & 0xf0) << 4) | 2743 pb->ipacket[5]; 2744 2745 synaction = &(sc->synaction); 2746 2747 /* 2748 * If the action is just beginning, init the structure and 2749 * compute tap timeout. 2750 */ 2751 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2752 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2753 2754 /* Store the first point of this action. */ 2755 synaction->start_x = x0; 2756 synaction->start_y = y0; 2757 dx = dy = 0; 2758 2759 /* Initialize queue. */ 2760 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2761 synaction->queue_len = 0; 2762 synaction->window_min = window_min; 2763 2764 /* Reset average. */ 2765 synaction->avg_dx = 0; 2766 synaction->avg_dy = 0; 2767 2768 /* Reset squelch. */ 2769 synaction->squelch_x = 0; 2770 synaction->squelch_y = 0; 2771 2772 /* Reset pressure peak. */ 2773 sc->zmax = 0; 2774 2775 /* Reset fingers count. */ 2776 synaction->fingers_nb = 0; 2777 2778 /* Reset virtual scrolling state. */ 2779 synaction->in_vscroll = 0; 2780 2781 /* Compute tap timeout. */ 2782 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2783 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2784 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2785 2786 sc->flags |= PSM_FLAGS_FINGERDOWN; 2787 } else { 2788 /* Calculate the current delta. */ 2789 cursor = synaction->queue_cursor; 2790 dx = x0 - synaction->queue[cursor].x; 2791 dy = y0 - synaction->queue[cursor].y; 2792 } 2793 2794 /* If in tap-hold, add the recorded button. */ 2795 if (synaction->in_taphold) 2796 ms->button |= synaction->tap_button; 2797 2798 /* 2799 * From now on, we can use the SYNAPTICS_END label to skip 2800 * the current packet. 2801 */ 2802 2803 /* 2804 * Limit the coordinates to the specified margins because 2805 * this area isn't very reliable. 2806 */ 2807 if (x0 <= margin_left) 2808 x0 = margin_left; 2809 else if (x0 >= 6143 - margin_right) 2810 x0 = 6143 - margin_right; 2811 if (y0 <= margin_bottom) 2812 y0 = margin_bottom; 2813 else if (y0 >= 6143 - margin_top) 2814 y0 = 6143 - margin_top; 2815 2816 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2817 x0, y0, *z, w)); 2818 2819 /* Queue this new packet. */ 2820 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2821 synaction->queue[cursor].x = x0; 2822 synaction->queue[cursor].y = y0; 2823 synaction->queue_cursor = cursor; 2824 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2825 synaction->queue_len++; 2826 VLOG(5, (LOG_DEBUG, 2827 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2828 cursor, x0, y0, dx, dy)); 2829 2830 /* 2831 * For tap, we keep the maximum number of fingers and the 2832 * pressure peak. Also with multiple fingers, we increase 2833 * the minimum window. 2834 */ 2835 switch (w) { 2836 case 1: /* Three or more fingers. */ 2837 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2838 synaction->window_min = window_max; 2839 break; 2840 case 0: /* Two fingers. */ 2841 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2842 synaction->window_min = window_max; 2843 break; 2844 default: /* One finger or undetectable. */ 2845 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2846 } 2847 sc->zmax = imax(*z, sc->zmax); 2848 2849 /* Do we have enough packets to consider this a movement? */ 2850 if (synaction->queue_len < synaction->window_min) 2851 goto SYNAPTICS_END; 2852 2853 /* Is a scrolling action occuring? */ 2854 if (!synaction->in_taphold && !synaction->in_vscroll) { 2855 /* 2856 * A scrolling action must not conflict with a tap 2857 * action. Here are the conditions to consider a 2858 * scrolling action: 2859 * - the action in a configurable area 2860 * - one of the following: 2861 * . the distance between the last packet and the 2862 * first should be above a configurable minimum 2863 * . tap timed out 2864 */ 2865 dxp = abs(synaction->queue[synaction->queue_cursor].x - 2866 synaction->start_x); 2867 dyp = abs(synaction->queue[synaction->queue_cursor].y - 2868 synaction->start_y); 2869 2870 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 2871 dxp >= sc->syninfo.vscroll_min_delta || 2872 dyp >= sc->syninfo.vscroll_min_delta) { 2873 /* Check for horizontal scrolling. */ 2874 if ((vscroll_hor_area > 0 && 2875 synaction->start_y <= vscroll_hor_area) || 2876 (vscroll_hor_area < 0 && 2877 synaction->start_y >= 2878 6143 + vscroll_hor_area)) 2879 synaction->in_vscroll += 2; 2880 2881 /* Check for vertical scrolling. */ 2882 if ((vscroll_ver_area > 0 && 2883 synaction->start_x <= vscroll_ver_area) || 2884 (vscroll_ver_area < 0 && 2885 synaction->start_x >= 2886 6143 + vscroll_ver_area)) 2887 synaction->in_vscroll += 1; 2888 2889 /* Avoid conflicts if area overlaps. */ 2890 if (synaction->in_vscroll == 3) 2891 synaction->in_vscroll = 2892 (dxp > dyp) ? 2 : 1; 2893 } 2894 VLOG(5, (LOG_DEBUG, 2895 "synaptics: virtual scrolling: %s " 2896 "(direction=%d, dxp=%d, dyp=%d)\n", 2897 synaction->in_vscroll ? "YES" : "NO", 2898 synaction->in_vscroll, dxp, dyp)); 2899 } 2900 2901 weight_prev_x = weight_prev_y = weight_previous; 2902 div_max_x = div_max_y = div_max; 2903 2904 if (synaction->in_vscroll) { 2905 /* Dividers are different with virtual scrolling. */ 2906 div_min = sc->syninfo.vscroll_div_min; 2907 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 2908 } else { 2909 /* 2910 * There's a lot of noise in coordinates when 2911 * the finger is on the touchpad's borders. When 2912 * using this area, we apply a special weight and 2913 * div. 2914 */ 2915 if (x0 <= na_left || x0 >= 6143 - na_right) { 2916 weight_prev_x = sc->syninfo.weight_previous_na; 2917 div_max_x = sc->syninfo.div_max_na; 2918 } 2919 2920 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 2921 weight_prev_y = sc->syninfo.weight_previous_na; 2922 div_max_y = sc->syninfo.div_max_na; 2923 } 2924 } 2925 2926 /* 2927 * Calculate weights for the average operands and 2928 * the divisor. Both depend on the distance between 2929 * the current packet and a previous one (based on the 2930 * window width). 2931 */ 2932 window = imin(synaction->queue_len, window_max); 2933 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 2934 dxp = abs(x0 - synaction->queue[peer].x) + 1; 2935 dyp = abs(y0 - synaction->queue[peer].y) + 1; 2936 len = (dxp * dxp) + (dyp * dyp); 2937 weight_prev_x = imin(weight_prev_x, 2938 weight_len_squared * weight_prev_x / len); 2939 weight_prev_y = imin(weight_prev_y, 2940 weight_len_squared * weight_prev_y / len); 2941 2942 len = (dxp + dyp) / 2; 2943 div_x = div_len * div_max_x / len; 2944 div_x = imin(div_max_x, div_x); 2945 div_x = imax(div_min, div_x); 2946 div_y = div_len * div_max_y / len; 2947 div_y = imin(div_max_y, div_y); 2948 div_y = imax(div_min, div_y); 2949 2950 VLOG(3, (LOG_DEBUG, 2951 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 2952 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 2953 2954 /* Compute averages. */ 2955 synaction->avg_dx = 2956 (weight_current * dx * multiplicator + 2957 weight_prev_x * synaction->avg_dx) / 2958 (weight_current + weight_prev_x); 2959 2960 synaction->avg_dy = 2961 (weight_current * dy * multiplicator + 2962 weight_prev_y * synaction->avg_dy) / 2963 (weight_current + weight_prev_y); 2964 2965 VLOG(5, (LOG_DEBUG, 2966 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 2967 synaction->avg_dx / multiplicator, 2968 synaction->avg_dy / multiplicator)); 2969 2970 /* Use these averages to calculate x & y. */ 2971 synaction->squelch_x += synaction->avg_dx; 2972 *x = synaction->squelch_x / (div_x * multiplicator); 2973 synaction->squelch_x = synaction->squelch_x % 2974 (div_x * multiplicator); 2975 2976 synaction->squelch_y += synaction->avg_dy; 2977 *y = synaction->squelch_y / (div_y * multiplicator); 2978 synaction->squelch_y = synaction->squelch_y % 2979 (div_y * multiplicator); 2980 2981 if (synaction->in_vscroll) { 2982 switch(synaction->in_vscroll) { 2983 case 1: /* Vertical scrolling. */ 2984 if (*y != 0) 2985 ms->button |= (*y > 0) ? 2986 MOUSE_BUTTON4DOWN : 2987 MOUSE_BUTTON5DOWN; 2988 break; 2989 case 2: /* Horizontal scrolling. */ 2990 if (*x != 0) 2991 ms->button |= (*x > 0) ? 2992 MOUSE_BUTTON7DOWN : 2993 MOUSE_BUTTON6DOWN; 2994 break; 2995 } 2996 2997 /* The pointer is not moved. */ 2998 *x = *y = 0; 2999 } else { 3000 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 3001 dx, dy, *x, *y)); 3002 } 3003 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3004 /* 3005 * An action is currently taking place but the pressure 3006 * dropped under the minimum, putting an end to it. 3007 */ 3008 synapticsaction_t *synaction; 3009 int taphold_timeout, dx, dy, tap_max_delta; 3010 3011 synaction = &(sc->synaction); 3012 dx = abs(synaction->queue[synaction->queue_cursor].x - 3013 synaction->start_x); 3014 dy = abs(synaction->queue[synaction->queue_cursor].y - 3015 synaction->start_y); 3016 3017 /* Max delta is disabled for multi-fingers tap. */ 3018 if (synaction->fingers_nb > 1) 3019 tap_max_delta = imax(dx, dy); 3020 else 3021 tap_max_delta = sc->syninfo.tap_max_delta; 3022 3023 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3024 3025 /* Check for tap. */ 3026 VLOG(3, (LOG_DEBUG, 3027 "synaptics: zmax=%d, dx=%d, dy=%d, " 3028 "delta=%d, fingers=%d, queue=%d\n", 3029 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3030 synaction->queue_len)); 3031 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3032 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3033 dx <= tap_max_delta && dy <= tap_max_delta && 3034 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3035 /* 3036 * We have a tap if: 3037 * - the maximum pressure went over tap_threshold 3038 * - the action ended before tap_timeout 3039 * 3040 * To handle tap-hold, we must delay any button push to 3041 * the next action. 3042 */ 3043 if (synaction->in_taphold) { 3044 /* 3045 * This is the second and last tap of a 3046 * double tap action, not a tap-hold. 3047 */ 3048 synaction->in_taphold = 0; 3049 3050 /* 3051 * For double-tap to work: 3052 * - no button press is emitted (to 3053 * simulate a button release) 3054 * - PSM_FLAGS_FINGERDOWN is set to 3055 * force the next packet to emit a 3056 * button press) 3057 */ 3058 VLOG(2, (LOG_DEBUG, 3059 "synaptics: button RELEASE: %d\n", 3060 synaction->tap_button)); 3061 sc->flags |= PSM_FLAGS_FINGERDOWN; 3062 } else { 3063 /* 3064 * This is the first tap: we set the 3065 * tap-hold state and notify the button 3066 * down event. 3067 */ 3068 synaction->in_taphold = 1; 3069 taphold_timeout = sc->syninfo.taphold_timeout; 3070 sc->taptimeout.tv_sec = taphold_timeout / 3071 1000000; 3072 sc->taptimeout.tv_usec = taphold_timeout % 3073 1000000; 3074 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3075 3076 switch (synaction->fingers_nb) { 3077 case 3: 3078 synaction->tap_button = 3079 MOUSE_BUTTON2DOWN; 3080 break; 3081 case 2: 3082 synaction->tap_button = 3083 MOUSE_BUTTON3DOWN; 3084 break; 3085 default: 3086 synaction->tap_button = 3087 MOUSE_BUTTON1DOWN; 3088 } 3089 VLOG(2, (LOG_DEBUG, 3090 "synaptics: button PRESS: %d\n", 3091 synaction->tap_button)); 3092 ms->button |= synaction->tap_button; 3093 } 3094 } else { 3095 /* 3096 * Not enough pressure or timeout: reset 3097 * tap-hold state. 3098 */ 3099 if (synaction->in_taphold) { 3100 VLOG(2, (LOG_DEBUG, 3101 "synaptics: button RELEASE: %d\n", 3102 synaction->tap_button)); 3103 synaction->in_taphold = 0; 3104 } else { 3105 VLOG(2, (LOG_DEBUG, 3106 "synaptics: not a tap-hold\n")); 3107 } 3108 } 3109 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3110 sc->synaction.in_taphold) { 3111 /* 3112 * For a tap-hold to work, the button must remain down at 3113 * least until timeout (where the in_taphold flags will be 3114 * cleared) or during the next action. 3115 */ 3116 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3117 ms->button |= sc->synaction.tap_button; 3118 } else { 3119 VLOG(2, (LOG_DEBUG, 3120 "synaptics: button RELEASE: %d\n", 3121 sc->synaction.tap_button)); 3122 sc->synaction.in_taphold = 0; 3123 } 3124 } 3125 3126 SYNAPTICS_END: 3127 /* 3128 * Use the extra buttons as a scrollwheel 3129 * 3130 * XXX X.Org uses the Z axis for vertical wheel only, 3131 * whereas moused(8) understands special values to differ 3132 * vertical and horizontal wheels. 3133 * 3134 * xf86-input-mouse needs therefore a small patch to 3135 * understand these special values. Without it, the 3136 * horizontal wheel acts as a vertical wheel in X.Org. 3137 * 3138 * That's why the horizontal wheel is disabled by 3139 * default for now. 3140 */ 3141 if (ms->button & MOUSE_BUTTON4DOWN) { 3142 *z = -1; 3143 ms->button &= ~MOUSE_BUTTON4DOWN; 3144 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3145 *z = 1; 3146 ms->button &= ~MOUSE_BUTTON5DOWN; 3147 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3148 *z = -2; 3149 ms->button &= ~MOUSE_BUTTON6DOWN; 3150 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3151 *z = 2; 3152 ms->button &= ~MOUSE_BUTTON7DOWN; 3153 } else 3154 *z = 0; 3155 3156 return (0); 3157 } 3158 3159 static void 3160 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3161 int *x, int *y, int *z) 3162 { 3163 static int butmap_versapad[8] = { 3164 0, 3165 MOUSE_BUTTON3DOWN, 3166 0, 3167 MOUSE_BUTTON3DOWN, 3168 MOUSE_BUTTON1DOWN, 3169 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3170 MOUSE_BUTTON1DOWN, 3171 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3172 }; 3173 int c, x0, y0; 3174 3175 /* VersaPad PS/2 absolute mode message format 3176 * 3177 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3178 * ipacket[0]: 1 1 0 A 1 L T R 3179 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3180 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3181 * ipacket[3]: 1 1 1 A 1 L T R 3182 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3183 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3184 * 3185 * [note] 3186 * R: right physical mouse button (1=on) 3187 * T: touch pad virtual button (1=tapping) 3188 * L: left physical mouse button (1=on) 3189 * A: position data is valid (1=valid) 3190 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3191 * V: vertical data (12bit signed integer. V11 is sign bit.) 3192 * P: pressure data 3193 * 3194 * Tapping is mapped to MOUSE_BUTTON4. 3195 */ 3196 c = pb->ipacket[0]; 3197 *x = *y = 0; 3198 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3199 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3200 if (c & MOUSE_PS2VERSA_IN_USE) { 3201 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3202 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3203 if (x0 & 0x800) 3204 x0 -= 0x1000; 3205 if (y0 & 0x800) 3206 y0 -= 0x1000; 3207 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3208 *x = sc->xold - x0; 3209 *y = y0 - sc->yold; 3210 if (*x < 0) /* XXX */ 3211 ++*x; 3212 else if (*x) 3213 --*x; 3214 if (*y < 0) 3215 ++*y; 3216 else if (*y) 3217 --*y; 3218 } else 3219 sc->flags |= PSM_FLAGS_FINGERDOWN; 3220 sc->xold = x0; 3221 sc->yold = y0; 3222 } else 3223 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3224 } 3225 3226 static void 3227 psmsoftintr(void *arg) 3228 { 3229 /* 3230 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3231 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3232 */ 3233 static int butmap[8] = { 3234 0, 3235 MOUSE_BUTTON1DOWN, 3236 MOUSE_BUTTON3DOWN, 3237 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3238 MOUSE_BUTTON2DOWN, 3239 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3240 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3241 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3242 }; 3243 struct psm_softc *sc = arg; 3244 mousestatus_t ms; 3245 packetbuf_t *pb; 3246 int x, y, z, c, l; 3247 3248 getmicrouptime(&sc->lastsoftintr); 3249 3250 crit_enter(); 3251 3252 do { 3253 pb = &sc->pqueue[sc->pqueue_start]; 3254 3255 if (sc->mode.level == PSM_LEVEL_NATIVE) 3256 goto next_native; 3257 3258 c = pb->ipacket[0]; 3259 /* 3260 * A kludge for Kensington device! 3261 * The MSB of the horizontal count appears to be stored in 3262 * a strange place. 3263 */ 3264 if (sc->hw.model == MOUSE_MODEL_THINK) 3265 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3266 3267 /* ignore the overflow bits... */ 3268 x = (c & MOUSE_PS2_XNEG) ? 3269 pb->ipacket[1] - 256 : pb->ipacket[1]; 3270 y = (c & MOUSE_PS2_YNEG) ? 3271 pb->ipacket[2] - 256 : pb->ipacket[2]; 3272 z = 0; 3273 ms.obutton = sc->button; /* previous button state */ 3274 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3275 /* `tapping' action */ 3276 if (sc->config & PSM_CONFIG_FORCETAP) 3277 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3278 0 : MOUSE_BUTTON4DOWN; 3279 3280 switch (sc->hw.model) { 3281 3282 case MOUSE_MODEL_EXPLORER: 3283 /* 3284 * b7 b6 b5 b4 b3 b2 b1 b0 3285 * byte 1: oy ox sy sx 1 M R L 3286 * byte 2: x x x x x x x x 3287 * byte 3: y y y y y y y y 3288 * byte 4: * * S2 S1 s d2 d1 d0 3289 * 3290 * L, M, R, S1, S2: left, middle, right and side buttons 3291 * s: wheel data sign bit 3292 * d2-d0: wheel data 3293 */ 3294 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3295 (pb->ipacket[3] & 0x0f) - 16 : 3296 (pb->ipacket[3] & 0x0f); 3297 ms.button |= 3298 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3299 MOUSE_BUTTON4DOWN : 0; 3300 ms.button |= 3301 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3302 MOUSE_BUTTON5DOWN : 0; 3303 break; 3304 3305 case MOUSE_MODEL_INTELLI: 3306 case MOUSE_MODEL_NET: 3307 /* wheel data is in the fourth byte */ 3308 z = (char)pb->ipacket[3]; 3309 /* 3310 * XXX some mice may send 7 when there is no Z movement? */ 3311 if ((z >= 7) || (z <= -7)) 3312 z = 0; 3313 /* some compatible mice have additional buttons */ 3314 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3315 MOUSE_BUTTON4DOWN : 0; 3316 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3317 MOUSE_BUTTON5DOWN : 0; 3318 break; 3319 3320 case MOUSE_MODEL_MOUSEMANPLUS: 3321 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3322 break; 3323 3324 case MOUSE_MODEL_GLIDEPOINT: 3325 /* `tapping' action */ 3326 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3327 MOUSE_BUTTON4DOWN; 3328 break; 3329 3330 case MOUSE_MODEL_NETSCROLL: 3331 /* 3332 * three addtional bytes encode buttons and 3333 * wheel events 3334 */ 3335 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3336 MOUSE_BUTTON4DOWN : 0; 3337 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3338 MOUSE_BUTTON5DOWN : 0; 3339 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3340 pb->ipacket[4] - 256 : pb->ipacket[4]; 3341 break; 3342 3343 case MOUSE_MODEL_THINK: 3344 /* the fourth button state in the first byte */ 3345 ms.button |= (c & MOUSE_PS2_TAP) ? 3346 MOUSE_BUTTON4DOWN : 0; 3347 break; 3348 3349 case MOUSE_MODEL_VERSAPAD: 3350 proc_versapad(sc, pb, &ms, &x, &y, &z); 3351 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3352 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3353 break; 3354 3355 case MOUSE_MODEL_4D: 3356 /* 3357 * b7 b6 b5 b4 b3 b2 b1 b0 3358 * byte 1: s2 d2 s1 d1 1 M R L 3359 * byte 2: sx x x x x x x x 3360 * byte 3: sy y y y y y y y 3361 * 3362 * s1: wheel 1 direction 3363 * d1: wheel 1 data 3364 * s2: wheel 2 direction 3365 * d2: wheel 2 data 3366 */ 3367 x = (pb->ipacket[1] & 0x80) ? 3368 pb->ipacket[1] - 256 : pb->ipacket[1]; 3369 y = (pb->ipacket[2] & 0x80) ? 3370 pb->ipacket[2] - 256 : pb->ipacket[2]; 3371 switch (c & MOUSE_4D_WHEELBITS) { 3372 case 0x10: 3373 z = 1; 3374 break; 3375 case 0x30: 3376 z = -1; 3377 break; 3378 case 0x40: /* XXX 2nd wheel turning right */ 3379 z = 2; 3380 break; 3381 case 0xc0: /* XXX 2nd wheel turning left */ 3382 z = -2; 3383 break; 3384 } 3385 break; 3386 3387 case MOUSE_MODEL_4DPLUS: 3388 if ((x < 16 - 256) && (y < 16 - 256)) { 3389 /* 3390 * b7 b6 b5 b4 b3 b2 b1 b0 3391 * byte 1: 0 0 1 1 1 M R L 3392 * byte 2: 0 0 0 0 1 0 0 0 3393 * byte 3: 0 0 0 0 S s d1 d0 3394 * 3395 * L, M, R, S: left, middle, right, 3396 * and side buttons 3397 * s: wheel data sign bit 3398 * d1-d0: wheel data 3399 */ 3400 x = y = 0; 3401 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3402 ms.button |= MOUSE_BUTTON4DOWN; 3403 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3404 ((pb->ipacket[2] & 0x07) - 8) : 3405 (pb->ipacket[2] & 0x07) ; 3406 } else { 3407 /* preserve previous button states */ 3408 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3409 } 3410 break; 3411 3412 case MOUSE_MODEL_SYNAPTICS: 3413 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3414 goto next; 3415 break; 3416 3417 case MOUSE_MODEL_GENERIC: 3418 default: 3419 break; 3420 } 3421 3422 /* scale values */ 3423 if (sc->mode.accelfactor >= 1) { 3424 if (x != 0) { 3425 x = x * x / sc->mode.accelfactor; 3426 if (x == 0) 3427 x = 1; 3428 if (c & MOUSE_PS2_XNEG) 3429 x = -x; 3430 } 3431 if (y != 0) { 3432 y = y * y / sc->mode.accelfactor; 3433 if (y == 0) 3434 y = 1; 3435 if (c & MOUSE_PS2_YNEG) 3436 y = -y; 3437 } 3438 } 3439 3440 ms.dx = x; 3441 ms.dy = y; 3442 ms.dz = z; 3443 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3444 (ms.obutton ^ ms.button); 3445 3446 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3447 3448 sc->status.flags |= ms.flags; 3449 sc->status.dx += ms.dx; 3450 sc->status.dy += ms.dy; 3451 sc->status.dz += ms.dz; 3452 sc->status.button = ms.button; 3453 sc->button = ms.button; 3454 3455 next_native: 3456 sc->watchdog = FALSE; 3457 3458 /* queue data */ 3459 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3460 l = imin(pb->inputbytes, 3461 sizeof(sc->queue.buf) - sc->queue.tail); 3462 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3463 if (pb->inputbytes > l) 3464 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3465 pb->inputbytes - l); 3466 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3467 sizeof(sc->queue.buf); 3468 sc->queue.count += pb->inputbytes; 3469 } 3470 pb->inputbytes = 0; 3471 3472 next: 3473 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3474 sc->pqueue_start = 0; 3475 } while (sc->pqueue_start != sc->pqueue_end); 3476 3477 if (sc->state & PSM_ASLP) { 3478 sc->state &= ~PSM_ASLP; 3479 wakeup(sc); 3480 } 3481 KNOTE(&sc->rkq.ki_note, 0); 3482 3483 sc->state &= ~PSM_SOFTARMED; 3484 crit_exit(); 3485 } 3486 3487 static struct filterops psmfiltops = 3488 { FILTEROP_ISFD, NULL, psmfilter_detach, psmfilter }; 3489 3490 static int 3491 psmkqfilter(struct dev_kqfilter_args *ap) 3492 { 3493 cdev_t dev = ap->a_head.a_dev; 3494 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 3495 struct knote *kn = ap->a_kn; 3496 struct klist *klist; 3497 3498 ap->a_result = 0; 3499 3500 switch (kn->kn_filter) { 3501 case EVFILT_READ: 3502 kn->kn_fop = &psmfiltops; 3503 kn->kn_hook = (caddr_t)sc; 3504 break; 3505 default: 3506 ap->a_result = EOPNOTSUPP; 3507 return (0); 3508 } 3509 3510 klist = &sc->rkq.ki_note; 3511 knote_insert(klist, kn); 3512 3513 return (0); 3514 } 3515 3516 static void 3517 psmfilter_detach(struct knote *kn) 3518 { 3519 struct psm_softc *sc = (struct psm_softc *)kn->kn_hook; 3520 struct klist *klist; 3521 3522 klist = &sc->rkq.ki_note; 3523 knote_remove(klist, kn); 3524 } 3525 3526 static int 3527 psmfilter(struct knote *kn, long hint) 3528 { 3529 struct psm_softc *sc = (struct psm_softc *)kn->kn_hook; 3530 int ready = 0; 3531 3532 crit_enter(); 3533 if (sc->queue.count > 0) 3534 ready = 1; 3535 crit_exit(); 3536 3537 return (ready); 3538 } 3539 3540 /* vendor/model specific routines */ 3541 3542 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3543 { 3544 if (set_mouse_resolution(kbdc, res) != res) 3545 return (FALSE); 3546 if (set_mouse_scaling(kbdc, scale) && 3547 set_mouse_scaling(kbdc, scale) && 3548 set_mouse_scaling(kbdc, scale) && 3549 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3550 return (TRUE); 3551 return (FALSE); 3552 } 3553 3554 static int 3555 mouse_ext_command(KBDC kbdc, int command) 3556 { 3557 int c; 3558 3559 c = (command >> 6) & 0x03; 3560 if (set_mouse_resolution(kbdc, c) != c) 3561 return (FALSE); 3562 c = (command >> 4) & 0x03; 3563 if (set_mouse_resolution(kbdc, c) != c) 3564 return (FALSE); 3565 c = (command >> 2) & 0x03; 3566 if (set_mouse_resolution(kbdc, c) != c) 3567 return (FALSE); 3568 c = (command >> 0) & 0x03; 3569 if (set_mouse_resolution(kbdc, c) != c) 3570 return (FALSE); 3571 return (TRUE); 3572 } 3573 3574 #ifdef notyet 3575 /* Logitech MouseMan Cordless II */ 3576 static int 3577 enable_lcordless(struct psm_softc *sc) 3578 { 3579 int status[3]; 3580 int ch; 3581 3582 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 3583 return (FALSE); 3584 if (status[1] == PSMD_RES_HIGH) 3585 return (FALSE); 3586 ch = (status[0] & 0x07) - 1; /* channel # */ 3587 if ((ch <= 0) || (ch > 4)) 3588 return (FALSE); 3589 /* 3590 * status[1]: always one? 3591 * status[2]: battery status? (0-100) 3592 */ 3593 return (TRUE); 3594 } 3595 #endif /* notyet */ 3596 3597 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3598 static int 3599 enable_groller(struct psm_softc *sc) 3600 { 3601 int status[3]; 3602 3603 /* 3604 * The special sequence to enable the fourth button and the 3605 * roller. Immediately after this sequence check status bytes. 3606 * if the mouse is NetScroll, the second and the third bytes are 3607 * '3' and 'D'. 3608 */ 3609 3610 /* 3611 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3612 * look like the following. 3613 * 3614 * byte 1 bit 7 always 0 3615 * bit 6 stream mode (0) 3616 * bit 5 disabled (0) 3617 * bit 4 1:1 scaling (0) 3618 * bit 3 always 0 3619 * bit 0-2 button status 3620 * byte 2 resolution (PSMD_RES_HIGH) 3621 * byte 3 report rate (?) 3622 */ 3623 3624 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3625 return (FALSE); 3626 if ((status[1] != '3') || (status[2] != 'D')) 3627 return (FALSE); 3628 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3629 sc->hw.buttons = 4; 3630 return (TRUE); 3631 } 3632 3633 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3634 static int 3635 enable_gmouse(struct psm_softc *sc) 3636 { 3637 int status[3]; 3638 3639 /* 3640 * The special sequence to enable the middle, "rubber" button. 3641 * Immediately after this sequence check status bytes. 3642 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3643 * the second and the third bytes are '3' and 'U'. 3644 * NOTE: NetMouse reports that it has three buttons although it has 3645 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3646 * say they have three buttons too and they do have a button on the 3647 * side... 3648 */ 3649 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3650 return (FALSE); 3651 if ((status[1] != '3') || (status[2] != 'U')) 3652 return (FALSE); 3653 return (TRUE); 3654 } 3655 3656 /* ALPS GlidePoint */ 3657 static int 3658 enable_aglide(struct psm_softc *sc) 3659 { 3660 int status[3]; 3661 3662 /* 3663 * The special sequence to obtain ALPS GlidePoint specific 3664 * information. Immediately after this sequence, status bytes will 3665 * contain something interesting. 3666 * NOTE: ALPS produces several models of GlidePoint. Some of those 3667 * do not respond to this sequence, thus, cannot be detected this way. 3668 */ 3669 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 3670 return (FALSE); 3671 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 3672 return (FALSE); 3673 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3674 return (FALSE); 3675 return (TRUE); 3676 } 3677 3678 /* Kensington ThinkingMouse/Trackball */ 3679 static int 3680 enable_kmouse(struct psm_softc *sc) 3681 { 3682 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3683 KBDC kbdc = sc->kbdc; 3684 int status[3]; 3685 int id1; 3686 int id2; 3687 int i; 3688 3689 id1 = get_aux_id(kbdc); 3690 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3691 return (FALSE); 3692 /* 3693 * The device is now in the native mode? It returns a different 3694 * ID value... 3695 */ 3696 id2 = get_aux_id(kbdc); 3697 if ((id1 == id2) || (id2 != 2)) 3698 return (FALSE); 3699 3700 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3701 return (FALSE); 3702 #if PSM_DEBUG >= 2 3703 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3704 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3705 return (FALSE); 3706 #endif 3707 3708 /* 3709 * The special sequence to enable the third and fourth buttons. 3710 * Otherwise they behave like the first and second buttons. 3711 */ 3712 for (i = 0; i < NELEM(rate); ++i) 3713 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3714 return (FALSE); 3715 3716 /* 3717 * At this point, the device is using default resolution and 3718 * sampling rate for the native mode. 3719 */ 3720 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3721 return (FALSE); 3722 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3723 return (FALSE); 3724 3725 /* the device appears be enabled by this sequence, diable it for now */ 3726 disable_aux_dev(kbdc); 3727 empty_aux_buffer(kbdc, 5); 3728 3729 return (TRUE); 3730 } 3731 3732 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3733 static int 3734 enable_mmanplus(struct psm_softc *sc) 3735 { 3736 KBDC kbdc = sc->kbdc; 3737 int data[3]; 3738 3739 /* the special sequence to enable the fourth button and the roller. */ 3740 /* 3741 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3742 * must be called exactly three times since the last RESET command 3743 * before this sequence. XXX 3744 */ 3745 if (!set_mouse_scaling(kbdc, 1)) 3746 return (FALSE); 3747 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3748 return (FALSE); 3749 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3750 return (FALSE); 3751 3752 /* 3753 * PS2++ protocl, packet type 0 3754 * 3755 * b7 b6 b5 b4 b3 b2 b1 b0 3756 * byte 1: * 1 p3 p2 1 * * * 3757 * byte 2: 1 1 p1 p0 m1 m0 1 0 3758 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3759 * 3760 * p3-p0: packet type: 0 3761 * m7-m0: model ID: MouseMan+:0x50, 3762 * FirstMouse+:0x51, 3763 * ScrollPoint:0x58... 3764 */ 3765 /* check constant bits */ 3766 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3767 return (FALSE); 3768 if ((data[1] & 0xc3) != 0xc2) 3769 return (FALSE); 3770 /* check d3-d0 in byte 2 */ 3771 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3772 return (FALSE); 3773 /* check p3-p0 */ 3774 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3775 return (FALSE); 3776 3777 sc->hw.hwid &= 0x00ff; 3778 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3779 3780 /* 3781 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3782 * the wheel and the fourth button events are encoded in the 3783 * special data packet. The mouse may be put in the IntelliMouse mode 3784 * if it is initialized by the IntelliMouse's method. 3785 */ 3786 return (TRUE); 3787 } 3788 3789 /* MS IntelliMouse Explorer */ 3790 static int 3791 enable_msexplorer(struct psm_softc *sc) 3792 { 3793 static u_char rate0[] = { 200, 100, 80, }; 3794 static u_char rate1[] = { 200, 200, 80, }; 3795 KBDC kbdc = sc->kbdc; 3796 int id; 3797 int i; 3798 3799 /* 3800 * This is needed for at least A4Tech X-7xx mice - they do not go 3801 * straight to Explorer mode, but need to be set to Intelli mode 3802 * first. 3803 */ 3804 enable_msintelli(sc); 3805 3806 /* the special sequence to enable the extra buttons and the roller. */ 3807 for (i = 0; i < NELEM(rate1); ++i) 3808 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3809 return (FALSE); 3810 /* the device will give the genuine ID only after the above sequence */ 3811 id = get_aux_id(kbdc); 3812 if (id != PSM_EXPLORER_ID) 3813 return (FALSE); 3814 3815 sc->hw.hwid = id; 3816 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3817 3818 /* 3819 * XXX: this is a kludge to fool some KVM switch products 3820 * which think they are clever enough to know the 4-byte IntelliMouse 3821 * protocol, and assume any other protocols use 3-byte packets. 3822 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3823 * correctly to the host computer because of this! 3824 * The following sequence is actually IntelliMouse's "wake up" 3825 * sequence; it will make the KVM think the mouse is IntelliMouse 3826 * when it is in fact IntelliMouse Explorer. 3827 */ 3828 for (i = 0; i < NELEM(rate0); ++i) 3829 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3830 break; 3831 id = get_aux_id(kbdc); 3832 3833 return (TRUE); 3834 } 3835 3836 /* MS IntelliMouse */ 3837 static int 3838 enable_msintelli(struct psm_softc *sc) 3839 { 3840 /* 3841 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3842 * probe routine and act like IntelliMouse. 3843 */ 3844 3845 static u_char rate[] = { 200, 100, 80, }; 3846 KBDC kbdc = sc->kbdc; 3847 int id; 3848 int i; 3849 3850 /* the special sequence to enable the third button and the roller. */ 3851 for (i = 0; i < NELEM(rate); ++i) 3852 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3853 return (FALSE); 3854 /* the device will give the genuine ID only after the above sequence */ 3855 id = get_aux_id(kbdc); 3856 if (id != PSM_INTELLI_ID) 3857 return (FALSE); 3858 3859 sc->hw.hwid = id; 3860 sc->hw.buttons = 3; 3861 3862 return (TRUE); 3863 } 3864 3865 /* A4 Tech 4D Mouse */ 3866 static int 3867 enable_4dmouse(struct psm_softc *sc) 3868 { 3869 /* 3870 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3871 */ 3872 3873 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3874 KBDC kbdc = sc->kbdc; 3875 int id; 3876 int i; 3877 3878 for (i = 0; i < NELEM(rate); ++i) 3879 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3880 return (FALSE); 3881 id = get_aux_id(kbdc); 3882 /* 3883 * WinEasy 4D, 4 Way Scroll 4D: 6 3884 * Cable-Free 4D: 8 (4DPLUS) 3885 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3886 */ 3887 if (id != PSM_4DMOUSE_ID) 3888 return (FALSE); 3889 3890 sc->hw.hwid = id; 3891 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3892 3893 return (TRUE); 3894 } 3895 3896 /* A4 Tech 4D+ Mouse */ 3897 static int 3898 enable_4dplus(struct psm_softc *sc) 3899 { 3900 /* 3901 * Newer wheel mice from A4 Tech seem to use this protocol. 3902 * Older models are recognized as either 4D Mouse or IntelliMouse. 3903 */ 3904 KBDC kbdc = sc->kbdc; 3905 int id; 3906 3907 /* 3908 * enable_4dmouse() already issued the following ID sequence... 3909 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3910 int i; 3911 3912 for (i = 0; i < NELEM(rate); ++i) 3913 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3914 return (FALSE); 3915 */ 3916 3917 id = get_aux_id(kbdc); 3918 switch (id) { 3919 case PSM_4DPLUS_ID: 3920 sc->hw.buttons = 4; 3921 break; 3922 case PSM_4DPLUS_RFSW35_ID: 3923 sc->hw.buttons = 3; 3924 break; 3925 default: 3926 return (FALSE); 3927 } 3928 3929 sc->hw.hwid = id; 3930 3931 return (TRUE); 3932 } 3933 3934 /* Synaptics Touchpad */ 3935 static int 3936 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 3937 { 3938 int error, arg; 3939 3940 /* Read the current value. */ 3941 arg = *(int *)oidp->oid_arg1; 3942 error = sysctl_handle_int(oidp, &arg, 0, req); 3943 3944 /* Sanity check. */ 3945 if (error || !req->newptr) 3946 return (error); 3947 3948 /* 3949 * Check that the new value is in the concerned node's range 3950 * of values. 3951 */ 3952 switch (oidp->oid_arg2) { 3953 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 3954 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 3955 if (arg < 0 || arg > 255) 3956 return (EINVAL); 3957 break; 3958 case SYNAPTICS_SYSCTL_MAX_WIDTH: 3959 if (arg < 4 || arg > 15) 3960 return (EINVAL); 3961 break; 3962 case SYNAPTICS_SYSCTL_MARGIN_TOP: 3963 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 3964 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 3965 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 3966 case SYNAPTICS_SYSCTL_NA_TOP: 3967 case SYNAPTICS_SYSCTL_NA_RIGHT: 3968 case SYNAPTICS_SYSCTL_NA_BOTTOM: 3969 case SYNAPTICS_SYSCTL_NA_LEFT: 3970 if (arg < 0 || arg > 6143) 3971 return (EINVAL); 3972 break; 3973 case SYNAPTICS_SYSCTL_WINDOW_MIN: 3974 case SYNAPTICS_SYSCTL_WINDOW_MAX: 3975 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 3976 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 3977 return (EINVAL); 3978 break; 3979 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 3980 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 3981 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 3982 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 3983 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 3984 case SYNAPTICS_SYSCTL_DIV_MIN: 3985 case SYNAPTICS_SYSCTL_DIV_MAX: 3986 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 3987 case SYNAPTICS_SYSCTL_DIV_LEN: 3988 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 3989 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 3990 if (arg < 1) 3991 return (EINVAL); 3992 break; 3993 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 3994 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 3995 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 3996 if (arg < 0) 3997 return (EINVAL); 3998 break; 3999 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 4000 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 4001 if (arg < -6143 || arg > 6143) 4002 return (EINVAL); 4003 break; 4004 default: 4005 return (EINVAL); 4006 } 4007 4008 /* Update. */ 4009 *(int *)oidp->oid_arg1 = arg; 4010 4011 return (error); 4012 } 4013 4014 static void 4015 synaptics_sysctl_create_tree(struct psm_softc *sc) 4016 { 4017 4018 if (sc->syninfo.sysctl_tree != NULL) 4019 return; 4020 4021 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 4022 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 4023 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 4024 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 4025 0, "Synaptics TouchPad"); 4026 4027 /* hw.psm.synaptics.directional_scrolls. */ 4028 sc->syninfo.directional_scrolls = 1; 4029 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 4030 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4031 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 4032 &sc->syninfo.directional_scrolls, 0, 4033 "Enable hardware scrolling pad (if non-zero) or register it as " 4034 "a middle-click (if 0)"); 4035 4036 /* hw.psm.synaptics.min_pressure. */ 4037 sc->syninfo.min_pressure = 16; 4038 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4039 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4040 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4041 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 4042 synaptics_sysctl, "I", 4043 "Minimum pressure required to start an action"); 4044 4045 /* hw.psm.synaptics.max_pressure. */ 4046 sc->syninfo.max_pressure = 220; 4047 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4048 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4049 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4050 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 4051 synaptics_sysctl, "I", 4052 "Maximum pressure to detect palm"); 4053 4054 /* hw.psm.synaptics.max_width. */ 4055 sc->syninfo.max_width = 10; 4056 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4057 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4058 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4059 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4060 synaptics_sysctl, "I", 4061 "Maximum finger width to detect palm"); 4062 4063 /* hw.psm.synaptics.top_margin. */ 4064 sc->syninfo.margin_top = 200; 4065 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4066 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4067 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4068 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4069 synaptics_sysctl, "I", 4070 "Top margin"); 4071 4072 /* hw.psm.synaptics.right_margin. */ 4073 sc->syninfo.margin_right = 200; 4074 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4075 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4076 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4077 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4078 synaptics_sysctl, "I", 4079 "Right margin"); 4080 4081 /* hw.psm.synaptics.bottom_margin. */ 4082 sc->syninfo.margin_bottom = 200; 4083 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4084 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4085 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4086 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4087 synaptics_sysctl, "I", 4088 "Bottom margin"); 4089 4090 /* hw.psm.synaptics.left_margin. */ 4091 sc->syninfo.margin_left = 200; 4092 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4093 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4094 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4095 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4096 synaptics_sysctl, "I", 4097 "Left margin"); 4098 4099 /* hw.psm.synaptics.na_top. */ 4100 sc->syninfo.na_top = 1783; 4101 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4102 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4103 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4104 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4105 synaptics_sysctl, "I", 4106 "Top noisy area, where weight_previous_na is used instead " 4107 "of weight_previous"); 4108 4109 /* hw.psm.synaptics.na_right. */ 4110 sc->syninfo.na_right = 563; 4111 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4112 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4113 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4114 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4115 synaptics_sysctl, "I", 4116 "Right noisy area, where weight_previous_na is used instead " 4117 "of weight_previous"); 4118 4119 /* hw.psm.synaptics.na_bottom. */ 4120 sc->syninfo.na_bottom = 1408; 4121 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4122 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4123 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4124 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4125 synaptics_sysctl, "I", 4126 "Bottom noisy area, where weight_previous_na is used instead " 4127 "of weight_previous"); 4128 4129 /* hw.psm.synaptics.na_left. */ 4130 sc->syninfo.na_left = 1600; 4131 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4132 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4133 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4134 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4135 synaptics_sysctl, "I", 4136 "Left noisy area, where weight_previous_na is used instead " 4137 "of weight_previous"); 4138 4139 /* hw.psm.synaptics.window_min. */ 4140 sc->syninfo.window_min = 4; 4141 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4142 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4143 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4144 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4145 synaptics_sysctl, "I", 4146 "Minimum window size to start an action"); 4147 4148 /* hw.psm.synaptics.window_max. */ 4149 sc->syninfo.window_max = 10; 4150 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4151 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4152 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4153 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4154 synaptics_sysctl, "I", 4155 "Maximum window size"); 4156 4157 /* hw.psm.synaptics.multiplicator. */ 4158 sc->syninfo.multiplicator = 10000; 4159 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4160 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4161 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4162 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4163 synaptics_sysctl, "I", 4164 "Multiplicator to increase precision in averages and divisions"); 4165 4166 /* hw.psm.synaptics.weight_current. */ 4167 sc->syninfo.weight_current = 3; 4168 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4169 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4170 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4171 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4172 synaptics_sysctl, "I", 4173 "Weight of the current movement in the new average"); 4174 4175 /* hw.psm.synaptics.weight_previous. */ 4176 sc->syninfo.weight_previous = 6; 4177 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4178 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4179 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4180 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4181 synaptics_sysctl, "I", 4182 "Weight of the previous average"); 4183 4184 /* hw.psm.synaptics.weight_previous_na. */ 4185 sc->syninfo.weight_previous_na = 20; 4186 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4187 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4188 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4189 &sc->syninfo.weight_previous_na, 4190 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4191 synaptics_sysctl, "I", 4192 "Weight of the previous average (inside the noisy area)"); 4193 4194 /* hw.psm.synaptics.weight_len_squared. */ 4195 sc->syninfo.weight_len_squared = 2000; 4196 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4197 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4198 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4199 &sc->syninfo.weight_len_squared, 4200 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4201 synaptics_sysctl, "I", 4202 "Length (squared) of segments where weight_previous " 4203 "starts to decrease"); 4204 4205 /* hw.psm.synaptics.div_min. */ 4206 sc->syninfo.div_min = 9; 4207 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4208 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4209 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4210 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4211 synaptics_sysctl, "I", 4212 "Divisor for fast movements"); 4213 4214 /* hw.psm.synaptics.div_max. */ 4215 sc->syninfo.div_max = 17; 4216 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4217 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4218 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4219 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4220 synaptics_sysctl, "I", 4221 "Divisor for slow movements"); 4222 4223 /* hw.psm.synaptics.div_max_na. */ 4224 sc->syninfo.div_max_na = 30; 4225 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4226 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4227 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4228 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4229 synaptics_sysctl, "I", 4230 "Divisor with slow movements (inside the noisy area)"); 4231 4232 /* hw.psm.synaptics.div_len. */ 4233 sc->syninfo.div_len = 100; 4234 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4235 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4236 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4237 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4238 synaptics_sysctl, "I", 4239 "Length of segments where div_max starts to decrease"); 4240 4241 /* hw.psm.synaptics.tap_max_delta. */ 4242 sc->syninfo.tap_max_delta = 80; 4243 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4244 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4245 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4246 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4247 synaptics_sysctl, "I", 4248 "Length of segments above which a tap is ignored"); 4249 4250 /* hw.psm.synaptics.tap_min_queue. */ 4251 sc->syninfo.tap_min_queue = 2; 4252 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4253 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4254 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4255 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4256 synaptics_sysctl, "I", 4257 "Number of packets required to consider a tap"); 4258 4259 /* hw.psm.synaptics.taphold_timeout. */ 4260 sc->synaction.in_taphold = 0; 4261 sc->syninfo.taphold_timeout = tap_timeout; 4262 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4263 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4264 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4265 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4266 synaptics_sysctl, "I", 4267 "Maximum elapsed time between two taps to consider a tap-hold " 4268 "action"); 4269 4270 /* hw.psm.synaptics.vscroll_hor_area. */ 4271 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4272 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4273 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4274 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4275 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4276 synaptics_sysctl, "I", 4277 "Area reserved for horizontal virtual scrolling"); 4278 4279 /* hw.psm.synaptics.vscroll_ver_area. */ 4280 sc->syninfo.vscroll_ver_area = -600; 4281 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4282 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4283 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4284 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4285 synaptics_sysctl, "I", 4286 "Area reserved for vertical virtual scrolling"); 4287 4288 /* hw.psm.synaptics.vscroll_min_delta. */ 4289 sc->syninfo.vscroll_min_delta = 50; 4290 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4291 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4292 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4293 &sc->syninfo.vscroll_min_delta, 4294 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4295 synaptics_sysctl, "I", 4296 "Minimum movement to consider virtual scrolling"); 4297 4298 /* hw.psm.synaptics.vscroll_div_min. */ 4299 sc->syninfo.vscroll_div_min = 100; 4300 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4301 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4302 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4303 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4304 synaptics_sysctl, "I", 4305 "Divisor for fast scrolling"); 4306 4307 /* hw.psm.synaptics.vscroll_div_min. */ 4308 sc->syninfo.vscroll_div_max = 150; 4309 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4310 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4311 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4312 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4313 synaptics_sysctl, "I", 4314 "Divisor for slow scrolling"); 4315 } 4316 4317 static int 4318 enable_synaptics(struct psm_softc *sc) 4319 { 4320 int status[3]; 4321 KBDC kbdc; 4322 4323 if (!synaptics_support) 4324 return (FALSE); 4325 4326 kbdc = sc->kbdc; 4327 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4328 sc->hw.buttons = 3; 4329 sc->squelch = 0; 4330 4331 /* 4332 * Just to be on the safe side: this avoids troubles with 4333 * following mouse_ext_command() when the previous command 4334 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4335 * Synaptics Touchpad behaviour. 4336 */ 4337 set_mouse_scaling(kbdc, 1); 4338 4339 /* Identify the Touchpad version. */ 4340 if (mouse_ext_command(kbdc, 0) == 0) 4341 return (FALSE); 4342 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4343 return (FALSE); 4344 if (status[1] != 0x47) 4345 return (FALSE); 4346 4347 sc->synhw.infoMinor = status[0]; 4348 sc->synhw.infoMajor = status[2] & 0x0f; 4349 4350 if (verbose >= 2) 4351 kprintf("Synaptics Touchpad v%d.%d\n", sc->synhw.infoMajor, 4352 sc->synhw.infoMinor); 4353 4354 if (sc->synhw.infoMajor < 4) { 4355 kprintf(" Unsupported (pre-v4) Touchpad detected\n"); 4356 return (FALSE); 4357 } 4358 4359 /* Get the Touchpad model information. */ 4360 if (mouse_ext_command(kbdc, 3) == 0) 4361 return (FALSE); 4362 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4363 return (FALSE); 4364 if ((status[1] & 0x01) != 0) { 4365 kprintf(" Failed to read model information\n"); 4366 return (FALSE); 4367 } 4368 4369 sc->synhw.infoRot180 = (status[0] & 0x80) >> 7; 4370 sc->synhw.infoPortrait = (status[0] & 0x40) >> 6; 4371 sc->synhw.infoSensor = status[0] & 0x3f; 4372 sc->synhw.infoHardware = (status[1] & 0xfe) >> 1; 4373 sc->synhw.infoNewAbs = (status[2] & 0x80) >> 7; 4374 sc->synhw.capPen = (status[2] & 0x40) >> 6; 4375 sc->synhw.infoSimplC = (status[2] & 0x20) >> 5; 4376 sc->synhw.infoGeometry = status[2] & 0x0f; 4377 4378 if (verbose >= 2) { 4379 kprintf(" Model information:\n"); 4380 kprintf(" infoRot180: %d\n", sc->synhw.infoRot180); 4381 kprintf(" infoPortrait: %d\n", sc->synhw.infoPortrait); 4382 kprintf(" infoSensor: %d\n", sc->synhw.infoSensor); 4383 kprintf(" infoHardware: %d\n", sc->synhw.infoHardware); 4384 kprintf(" infoNewAbs: %d\n", sc->synhw.infoNewAbs); 4385 kprintf(" capPen: %d\n", sc->synhw.capPen); 4386 kprintf(" infoSimplC: %d\n", sc->synhw.infoSimplC); 4387 kprintf(" infoGeometry: %d\n", sc->synhw.infoGeometry); 4388 } 4389 4390 /* Read the extended capability bits. */ 4391 if (mouse_ext_command(kbdc, 2) == 0) 4392 return (FALSE); 4393 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4394 return (FALSE); 4395 if (status[1] != 0x47) { 4396 kprintf(" Failed to read extended capability bits\n"); 4397 return (FALSE); 4398 } 4399 4400 /* Set the different capabilities when they exist. */ 4401 if ((status[0] & 0x80) >> 7) { 4402 sc->synhw.capExtended = (status[0] & 0x80) >> 7; 4403 sc->synhw.capPassthrough = (status[2] & 0x80) >> 7; 4404 sc->synhw.capSleep = (status[2] & 0x10) >> 4; 4405 sc->synhw.capFourButtons = (status[2] & 0x08) >> 3; 4406 sc->synhw.capMultiFinger = (status[2] & 0x02) >> 1; 4407 sc->synhw.capPalmDetect = (status[2] & 0x01); 4408 4409 if (verbose >= 2) { 4410 kprintf(" Extended capabilities:\n"); 4411 kprintf(" capExtended: %d\n", sc->synhw.capExtended); 4412 kprintf(" capPassthrough: %d\n", 4413 sc->synhw.capPassthrough); 4414 kprintf(" capSleep: %d\n", sc->synhw.capSleep); 4415 kprintf(" capFourButtons: %d\n", 4416 sc->synhw.capFourButtons); 4417 kprintf(" capMultiFinger: %d\n", 4418 sc->synhw.capMultiFinger); 4419 kprintf(" capPalmDetect: %d\n", 4420 sc->synhw.capPalmDetect); 4421 } 4422 4423 /* 4424 * If we have bits set in status[0] & 0x70, then we can load 4425 * more information about buttons using query 0x09. 4426 */ 4427 if (status[0] & 0x70) { 4428 if (mouse_ext_command(kbdc, 0x09) == 0) 4429 return (FALSE); 4430 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4431 return (FALSE); 4432 sc->hw.buttons = ((status[1] & 0xf0) >> 4) + 3; 4433 if (verbose >= 2) 4434 kprintf(" Additional Buttons: %d\n", 4435 sc->hw.buttons -3); 4436 } 4437 } else { 4438 sc->synhw.capExtended = 0; 4439 4440 if (verbose >= 2) 4441 kprintf(" No extended capabilities\n"); 4442 } 4443 4444 /* 4445 * Read the mode byte. 4446 * 4447 * XXX: Note the Synaptics documentation also defines the first 4448 * byte of the response to this query to be a constant 0x3b, this 4449 * does not appear to be true for Touchpads with guest devices. 4450 */ 4451 if (mouse_ext_command(kbdc, 1) == 0) 4452 return (FALSE); 4453 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4454 return (FALSE); 4455 if (status[1] != 0x47) { 4456 kprintf(" Failed to read mode byte\n"); 4457 return (FALSE); 4458 } 4459 4460 /* Set the mode byte; request wmode where available. */ 4461 if (sc->synhw.capExtended) 4462 mouse_ext_command(kbdc, 0xc1); 4463 else 4464 mouse_ext_command(kbdc, 0xc0); 4465 4466 /* "Commit" the Set Mode Byte command sent above. */ 4467 set_mouse_sampling_rate(kbdc, 20); 4468 4469 /* 4470 * Report the correct number of buttons 4471 * 4472 * XXX: I'm not sure this is used anywhere. 4473 */ 4474 if (sc->synhw.capExtended && sc->synhw.capFourButtons) 4475 sc->hw.buttons = 4; 4476 4477 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", 4478 sc->hw.buttons)); 4479 4480 /* Create sysctl tree. */ 4481 synaptics_sysctl_create_tree(sc); 4482 4483 /* 4484 * The touchpad will have to be reinitialized after 4485 * suspend/resume. 4486 */ 4487 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4488 4489 return (TRUE); 4490 } 4491 4492 /* Interlink electronics VersaPad */ 4493 static int 4494 enable_versapad(struct psm_softc *sc) 4495 { 4496 KBDC kbdc = sc->kbdc; 4497 int data[3]; 4498 4499 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 4500 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 4501 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4502 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4503 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4504 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4505 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 4506 return (FALSE); 4507 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 4508 return (FALSE); 4509 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4510 4511 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4512 4513 return (TRUE); /* PS/2 absolute mode */ 4514 } 4515 4516 /* 4517 * Return true if 'now' is earlier than (start + (secs.usecs)). 4518 * Now may be NULL and the function will fetch the current time from 4519 * getmicrouptime(), or a cached 'now' can be passed in. 4520 * All values should be numbers derived from getmicrouptime(). 4521 */ 4522 static int 4523 timeelapsed(const struct timeval *start, int secs, int usecs, 4524 const struct timeval *now) 4525 { 4526 struct timeval snow, tv; 4527 4528 /* if there is no 'now' passed in, the get it as a convience. */ 4529 if (now == NULL) { 4530 getmicrouptime(&snow); 4531 now = &snow; 4532 } 4533 4534 tv.tv_sec = secs; 4535 tv.tv_usec = usecs; 4536 timevaladd(&tv, start); 4537 return (timevalcmp(&tv, now, <)); 4538 } 4539 4540 static int 4541 psmresume(device_t dev) 4542 { 4543 struct psm_softc *sc = device_get_softc(dev); 4544 int unit = device_get_unit(dev); 4545 int err; 4546 4547 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 4548 4549 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 4550 return (0); 4551 4552 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 4553 4554 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 4555 /* 4556 * Release the blocked process; it must be notified that 4557 * the device cannot be accessed anymore. 4558 */ 4559 sc->state &= ~PSM_ASLP; 4560 wakeup(sc); 4561 } 4562 4563 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 4564 4565 return (err); 4566 } 4567 4568 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, NULL, NULL); 4569 4570 4571 #if 0 4572 /* 4573 * This sucks up assignments from PNPBIOS and ACPI. 4574 */ 4575 4576 /* 4577 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 4578 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 4579 * can be probed and attached only after the AT keyboard controller is 4580 * attached, we shall quietly reserve the IRQ resource for later use. 4581 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 4582 * copy the IRQ resource to the PS/2 mouse device instance hanging 4583 * under the keyboard controller, then probe and attach it. 4584 */ 4585 4586 static devclass_t psmcpnp_devclass; 4587 4588 static device_probe_t psmcpnp_probe; 4589 static device_attach_t psmcpnp_attach; 4590 4591 static device_method_t psmcpnp_methods[] = { 4592 DEVMETHOD(device_probe, psmcpnp_probe), 4593 DEVMETHOD(device_attach, psmcpnp_attach), 4594 4595 DEVMETHOD_END 4596 }; 4597 4598 static driver_t psmcpnp_driver = { 4599 PSMCPNP_DRIVER_NAME, 4600 psmcpnp_methods, 4601 1, /* no softc */ 4602 }; 4603 4604 static struct isa_pnp_id psmcpnp_ids[] = { 4605 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 4606 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 4607 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 4608 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 4609 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 4610 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 4611 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 4612 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 4613 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 4614 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 4615 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 4616 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 4617 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 4618 { 0 } 4619 }; 4620 4621 static int 4622 create_a_copy(device_t atkbdc, device_t me) 4623 { 4624 device_t psm; 4625 u_long irq; 4626 4627 /* find the PS/2 mouse device instance under the keyboard controller */ 4628 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 4629 device_get_unit(atkbdc)); 4630 if (psm == NULL) 4631 return (ENXIO); 4632 if (device_get_state(psm) != DS_NOTPRESENT) 4633 return (0); 4634 4635 /* move our resource to the found device */ 4636 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 4637 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1, 4638 machintr_legacy_intr_cpuid(irq)); 4639 4640 /* ...then probe and attach it */ 4641 return (device_probe_and_attach(psm)); 4642 } 4643 4644 static int 4645 psmcpnp_probe(device_t dev) 4646 { 4647 struct resource *res; 4648 u_long irq; 4649 int rid; 4650 4651 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 4652 return (ENXIO); 4653 4654 /* 4655 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 4656 * to the PS/2 mouse device node. But, some buggy PnP BIOS 4657 * declares the PS/2 mouse device node without an IRQ resource! 4658 * If this happens, we shall refer to device hints. 4659 * If we still don't find it there, use a hardcoded value... XXX 4660 */ 4661 rid = 0; 4662 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 4663 if (irq <= 0) { 4664 if (resource_long_value(PSM_DRIVER_NAME, 4665 device_get_unit(dev),"irq", &irq) != 0) 4666 irq = 12; /* XXX */ 4667 device_printf(dev, "irq resource info is missing; " 4668 "assuming irq %ld\n", irq); 4669 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1, 4670 machintr_legacy_intr_cpuid(irq)); 4671 } 4672 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4673 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 4674 4675 /* keep quiet */ 4676 if (!bootverbose) 4677 device_quiet(dev); 4678 4679 return ((res == NULL) ? ENXIO : 0); 4680 } 4681 4682 static int 4683 psmcpnp_attach(device_t dev) 4684 { 4685 device_t atkbdc; 4686 int rid; 4687 4688 /* find the keyboard controller, which may be on acpi* or isa* bus */ 4689 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 4690 device_get_unit(dev)); 4691 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 4692 create_a_copy(atkbdc, dev); 4693 else { 4694 /* 4695 * If we don't have the AT keyboard controller yet, 4696 * just reserve the IRQ for later use... 4697 * (See psmidentify() above.) 4698 */ 4699 rid = 0; 4700 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4701 } 4702 4703 return (0); 4704 } 4705 4706 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, NULL, NULL); 4707 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, NULL, NULL); 4708 #endif 4709