1 /*- 2 * Copyright (c) 1992, 1993 Erik Forsberg. 3 * Copyright (c) 1996, 1997 Kazutaka YOKOTA. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED 13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 15 * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 19 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 20 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 21 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 */ 23 /* 24 * Ported to 386bsd Oct 17, 1992 25 * Sandi Donno, Computer Science, University of Cape Town, South Africa 26 * Please send bug reports to sandi@cs.uct.ac.za 27 * 28 * Thanks are also due to Rick Macklem, rick@snowhite.cis.uoguelph.ca - 29 * although I was only partially successful in getting the alpha release 30 * of his "driver for the Logitech and ATI Inport Bus mice for use with 31 * 386bsd and the X386 port" to work with my Microsoft mouse, I nevertheless 32 * found his code to be an invaluable reference when porting this driver 33 * to 386bsd. 34 * 35 * Further modifications for latest 386BSD+patchkit and port to NetBSD, 36 * Andrew Herbert <andrew@werple.apana.org.au> - 8 June 1993 37 * 38 * Cloned from the Microsoft Bus Mouse driver, also by Erik Forsberg, by 39 * Andrew Herbert - 12 June 1993 40 * 41 * Modified for PS/2 mouse by Charles Hannum <mycroft@ai.mit.edu> 42 * - 13 June 1993 43 * 44 * Modified for PS/2 AUX mouse by Shoji Yuen <yuen@nuie.nagoya-u.ac.jp> 45 * - 24 October 1993 46 * 47 * Hardware access routines and probe logic rewritten by 48 * Kazutaka Yokota <yokota@zodiac.mech.utsunomiya-u.ac.jp> 49 * - 3, 14, 22 October 1996. 50 * - 12 November 1996. IOCTLs and rearranging `psmread', `psmioctl'... 51 * - 14, 30 November 1996. Uses `kbdio.c'. 52 * - 13 December 1996. Uses queuing version of `kbdio.c'. 53 * - January/February 1997. Tweaked probe logic for 54 * HiNote UltraII/Latitude/Armada laptops. 55 * - 30 July 1997. Added APM support. 56 * - 5 March 1997. Defined driver configuration flags (PSM_CONFIG_XXX). 57 * Improved sync check logic. 58 * Vendor specific support routines. 59 */ 60 61 #include <sys/cdefs.h> 62 __FBSDID("$FreeBSD$"); 63 64 #include "opt_isa.h" 65 #include "opt_psm.h" 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #include <sys/kernel.h> 70 #include <sys/module.h> 71 #include <sys/bus.h> 72 #include <sys/conf.h> 73 #include <sys/poll.h> 74 #include <sys/syslog.h> 75 #include <machine/bus.h> 76 #include <sys/rman.h> 77 #include <sys/selinfo.h> 78 #include <sys/sysctl.h> 79 #include <sys/time.h> 80 #include <sys/uio.h> 81 82 #include <sys/limits.h> 83 #include <sys/mouse.h> 84 #include <machine/resource.h> 85 86 #ifdef DEV_ISA 87 #include <isa/isavar.h> 88 #endif 89 90 #include <dev/atkbdc/atkbdcreg.h> 91 #include <dev/atkbdc/psm.h> 92 93 /* 94 * Driver specific options: the following options may be set by 95 * `options' statements in the kernel configuration file. 96 */ 97 98 /* debugging */ 99 #ifndef PSM_DEBUG 100 #define PSM_DEBUG 0 /* 101 * logging: 0: none, 1: brief, 2: verbose 102 * 3: sync errors, 4: all packets 103 */ 104 #endif 105 #define VLOG(level, args) do { \ 106 if (verbose >= level) \ 107 log args; \ 108 } while (0) 109 110 #ifndef PSM_INPUT_TIMEOUT 111 #define PSM_INPUT_TIMEOUT 2000000 /* 2 sec */ 112 #endif 113 114 #ifndef PSM_TAP_TIMEOUT 115 #define PSM_TAP_TIMEOUT 125000 116 #endif 117 118 #ifndef PSM_TAP_THRESHOLD 119 #define PSM_TAP_THRESHOLD 25 120 #endif 121 122 /* end of driver specific options */ 123 124 #define PSMCPNP_DRIVER_NAME "psmcpnp" 125 126 /* input queue */ 127 #define PSM_BUFSIZE 960 128 #define PSM_SMALLBUFSIZE 240 129 130 /* operation levels */ 131 #define PSM_LEVEL_BASE 0 132 #define PSM_LEVEL_STANDARD 1 133 #define PSM_LEVEL_NATIVE 2 134 #define PSM_LEVEL_MIN PSM_LEVEL_BASE 135 #define PSM_LEVEL_MAX PSM_LEVEL_NATIVE 136 137 /* Logitech PS2++ protocol */ 138 #define MOUSE_PS2PLUS_CHECKBITS(b) \ 139 ((((b[2] & 0x03) << 2) | 0x02) == (b[1] & 0x0f)) 140 #define MOUSE_PS2PLUS_PACKET_TYPE(b) \ 141 (((b[0] & 0x30) >> 2) | ((b[1] & 0x30) >> 4)) 142 143 /* some macros */ 144 #define PSM_UNIT(dev) (dev2unit(dev) >> 1) 145 #define PSM_NBLOCKIO(dev) (dev2unit(dev) & 1) 146 #define PSM_MKMINOR(unit,block) (((unit) << 1) | ((block) ? 0:1)) 147 148 /* ring buffer */ 149 typedef struct ringbuf { 150 int count; /* # of valid elements in the buffer */ 151 int head; /* head pointer */ 152 int tail; /* tail poiner */ 153 u_char buf[PSM_BUFSIZE]; 154 } ringbuf_t; 155 156 /* data buffer */ 157 typedef struct packetbuf { 158 u_char ipacket[16]; /* interim input buffer */ 159 int inputbytes; /* # of bytes in the input buffer */ 160 } packetbuf_t; 161 162 #ifndef PSM_PACKETQUEUE 163 #define PSM_PACKETQUEUE 128 164 #endif 165 166 enum { 167 SYNAPTICS_SYSCTL_MIN_PRESSURE, 168 SYNAPTICS_SYSCTL_MAX_PRESSURE, 169 SYNAPTICS_SYSCTL_MAX_WIDTH, 170 SYNAPTICS_SYSCTL_MARGIN_TOP, 171 SYNAPTICS_SYSCTL_MARGIN_RIGHT, 172 SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 173 SYNAPTICS_SYSCTL_MARGIN_LEFT, 174 SYNAPTICS_SYSCTL_NA_TOP, 175 SYNAPTICS_SYSCTL_NA_RIGHT, 176 SYNAPTICS_SYSCTL_NA_BOTTOM, 177 SYNAPTICS_SYSCTL_NA_LEFT, 178 SYNAPTICS_SYSCTL_WINDOW_MIN, 179 SYNAPTICS_SYSCTL_WINDOW_MAX, 180 SYNAPTICS_SYSCTL_MULTIPLICATOR, 181 SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 182 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 183 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 184 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 185 SYNAPTICS_SYSCTL_DIV_MIN, 186 SYNAPTICS_SYSCTL_DIV_MAX, 187 SYNAPTICS_SYSCTL_DIV_MAX_NA, 188 SYNAPTICS_SYSCTL_DIV_LEN, 189 SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 190 SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 191 SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 192 SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 193 SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 194 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 195 SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 196 SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX 197 }; 198 199 typedef struct synapticsinfo { 200 struct sysctl_ctx_list sysctl_ctx; 201 struct sysctl_oid *sysctl_tree; 202 int directional_scrolls; 203 int min_pressure; 204 int max_pressure; 205 int max_width; 206 int margin_top; 207 int margin_right; 208 int margin_bottom; 209 int margin_left; 210 int na_top; 211 int na_right; 212 int na_bottom; 213 int na_left; 214 int window_min; 215 int window_max; 216 int multiplicator; 217 int weight_current; 218 int weight_previous; 219 int weight_previous_na; 220 int weight_len_squared; 221 int div_min; 222 int div_max; 223 int div_max_na; 224 int div_len; 225 int tap_max_delta; 226 int tap_min_queue; 227 int taphold_timeout; 228 int vscroll_ver_area; 229 int vscroll_hor_area; 230 int vscroll_min_delta; 231 int vscroll_div_min; 232 int vscroll_div_max; 233 } synapticsinfo_t; 234 235 typedef struct synapticspacket { 236 int x; 237 int y; 238 } synapticspacket_t; 239 240 #define SYNAPTICS_PACKETQUEUE 10 241 #define SYNAPTICS_QUEUE_CURSOR(x) \ 242 (x + SYNAPTICS_PACKETQUEUE) % SYNAPTICS_PACKETQUEUE 243 244 typedef struct synapticsaction { 245 synapticspacket_t queue[SYNAPTICS_PACKETQUEUE]; 246 int queue_len; 247 int queue_cursor; 248 int window_min; 249 int start_x; 250 int start_y; 251 int avg_dx; 252 int avg_dy; 253 int squelch_x; 254 int squelch_y; 255 int fingers_nb; 256 int tap_button; 257 int in_taphold; 258 int in_vscroll; 259 } synapticsaction_t; 260 261 /* driver control block */ 262 struct psm_softc { /* Driver status information */ 263 int unit; 264 struct selinfo rsel; /* Process selecting for Input */ 265 u_char state; /* Mouse driver state */ 266 int config; /* driver configuration flags */ 267 int flags; /* other flags */ 268 KBDC kbdc; /* handle to access kbd controller */ 269 struct resource *intr; /* IRQ resource */ 270 void *ih; /* interrupt handle */ 271 mousehw_t hw; /* hardware information */ 272 synapticshw_t synhw; /* Synaptics hardware information */ 273 synapticsinfo_t syninfo; /* Synaptics configuration */ 274 synapticsaction_t synaction; /* Synaptics action context */ 275 mousemode_t mode; /* operation mode */ 276 mousemode_t dflt_mode; /* default operation mode */ 277 mousestatus_t status; /* accumulated mouse movement */ 278 ringbuf_t queue; /* mouse status queue */ 279 packetbuf_t pqueue[PSM_PACKETQUEUE]; /* mouse data queue */ 280 int pqueue_start; /* start of data in queue */ 281 int pqueue_end; /* end of data in queue */ 282 int button; /* the latest button state */ 283 int xold; /* previous absolute X position */ 284 int yold; /* previous absolute Y position */ 285 int xaverage; /* average X position */ 286 int yaverage; /* average Y position */ 287 int squelch; /* level to filter movement at low speed */ 288 int zmax; /* maximum pressure value for touchpads */ 289 int syncerrors; /* # of bytes discarded to synchronize */ 290 int pkterrors; /* # of packets failed during quaranteen. */ 291 struct timeval inputtimeout; 292 struct timeval lastsoftintr; /* time of last soft interrupt */ 293 struct timeval lastinputerr; /* time last sync error happened */ 294 struct timeval taptimeout; /* tap timeout for touchpads */ 295 int watchdog; /* watchdog timer flag */ 296 struct callout_handle callout; /* watchdog timer call out */ 297 struct callout_handle softcallout; /* buffer timer call out */ 298 struct cdev *dev; 299 struct cdev *bdev; 300 int lasterr; 301 int cmdcount; 302 }; 303 static devclass_t psm_devclass; 304 #define PSM_SOFTC(unit) \ 305 ((struct psm_softc*)devclass_get_softc(psm_devclass, unit)) 306 307 /* driver state flags (state) */ 308 #define PSM_VALID 0x80 309 #define PSM_OPEN 1 /* Device is open */ 310 #define PSM_ASLP 2 /* Waiting for mouse data */ 311 #define PSM_SOFTARMED 4 /* Software interrupt armed */ 312 #define PSM_NEED_SYNCBITS 8 /* Set syncbits using next data pkt */ 313 314 /* driver configuration flags (config) */ 315 #define PSM_CONFIG_RESOLUTION 0x000f /* resolution */ 316 #define PSM_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 317 #define PSM_CONFIG_NOCHECKSYNC 0x0100 /* disable sync. test */ 318 #define PSM_CONFIG_NOIDPROBE 0x0200 /* disable mouse model probe */ 319 #define PSM_CONFIG_NORESET 0x0400 /* don't reset the mouse */ 320 #define PSM_CONFIG_FORCETAP 0x0800 /* assume `tap' action exists */ 321 #define PSM_CONFIG_IGNPORTERROR 0x1000 /* ignore error in aux port test */ 322 #define PSM_CONFIG_HOOKRESUME 0x2000 /* hook the system resume event */ 323 #define PSM_CONFIG_INITAFTERSUSPEND 0x4000 /* init the device at the resume event */ 324 #define PSM_CONFIG_SYNCHACK 0x8000 /* enable `out-of-sync' hack */ 325 326 #define PSM_CONFIG_FLAGS \ 327 (PSM_CONFIG_RESOLUTION | \ 328 PSM_CONFIG_ACCEL | \ 329 PSM_CONFIG_NOCHECKSYNC | \ 330 PSM_CONFIG_SYNCHACK | \ 331 PSM_CONFIG_NOIDPROBE | \ 332 PSM_CONFIG_NORESET | \ 333 PSM_CONFIG_FORCETAP | \ 334 PSM_CONFIG_IGNPORTERROR | \ 335 PSM_CONFIG_HOOKRESUME | \ 336 PSM_CONFIG_INITAFTERSUSPEND) 337 338 /* other flags (flags) */ 339 #define PSM_FLAGS_FINGERDOWN 0x0001 /* VersaPad finger down */ 340 341 /* Tunables */ 342 static int synaptics_support = 0; 343 TUNABLE_INT("hw.psm.synaptics_support", &synaptics_support); 344 345 static int verbose = PSM_DEBUG; 346 TUNABLE_INT("debug.psm.loglevel", &verbose); 347 348 /* for backward compatibility */ 349 #define OLD_MOUSE_GETHWINFO _IOR('M', 1, old_mousehw_t) 350 #define OLD_MOUSE_GETMODE _IOR('M', 2, old_mousemode_t) 351 #define OLD_MOUSE_SETMODE _IOW('M', 3, old_mousemode_t) 352 353 typedef struct old_mousehw { 354 int buttons; 355 int iftype; 356 int type; 357 int hwid; 358 } old_mousehw_t; 359 360 typedef struct old_mousemode { 361 int protocol; 362 int rate; 363 int resolution; 364 int accelfactor; 365 } old_mousemode_t; 366 367 /* packet formatting function */ 368 typedef int packetfunc_t(struct psm_softc *, u_char *, int *, int, 369 mousestatus_t *); 370 371 /* function prototypes */ 372 static void psmidentify(driver_t *, device_t); 373 static int psmprobe(device_t); 374 static int psmattach(device_t); 375 static int psmdetach(device_t); 376 static int psmresume(device_t); 377 378 static d_open_t psmopen; 379 static d_close_t psmclose; 380 static d_read_t psmread; 381 static d_write_t psmwrite; 382 static d_ioctl_t psmioctl; 383 static d_poll_t psmpoll; 384 385 static int enable_aux_dev(KBDC); 386 static int disable_aux_dev(KBDC); 387 static int get_mouse_status(KBDC, int *, int, int); 388 static int get_aux_id(KBDC); 389 static int set_mouse_sampling_rate(KBDC, int); 390 static int set_mouse_scaling(KBDC, int); 391 static int set_mouse_resolution(KBDC, int); 392 static int set_mouse_mode(KBDC); 393 static int get_mouse_buttons(KBDC); 394 static int is_a_mouse(int); 395 static void recover_from_error(KBDC); 396 static int restore_controller(KBDC, int); 397 static int doinitialize(struct psm_softc *, mousemode_t *); 398 static int doopen(struct psm_softc *, int); 399 static int reinitialize(struct psm_softc *, int); 400 static char *model_name(int); 401 static void psmsoftintr(void *); 402 static void psmintr(void *); 403 static void psmtimeout(void *); 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 \ 471 ((sizeof(vendortype) / sizeof(*vendortype)) - 1) 472 473 /* device driver declarateion */ 474 static device_method_t psm_methods[] = { 475 /* Device interface */ 476 DEVMETHOD(device_identify, psmidentify), 477 DEVMETHOD(device_probe, psmprobe), 478 DEVMETHOD(device_attach, psmattach), 479 DEVMETHOD(device_detach, psmdetach), 480 DEVMETHOD(device_resume, psmresume), 481 482 { 0, 0 } 483 }; 484 485 static driver_t psm_driver = { 486 PSM_DRIVER_NAME, 487 psm_methods, 488 sizeof(struct psm_softc), 489 }; 490 491 static struct cdevsw psm_cdevsw = { 492 .d_version = D_VERSION, 493 .d_flags = D_NEEDGIANT, 494 .d_open = psmopen, 495 .d_close = psmclose, 496 .d_read = psmread, 497 .d_write = psmwrite, 498 .d_ioctl = psmioctl, 499 .d_poll = psmpoll, 500 .d_name = PSM_DRIVER_NAME, 501 }; 502 503 /* device I/O routines */ 504 static int 505 enable_aux_dev(KBDC kbdc) 506 { 507 int res; 508 509 res = send_aux_command(kbdc, PSMC_ENABLE_DEV); 510 VLOG(2, (LOG_DEBUG, "psm: ENABLE_DEV return code:%04x\n", res)); 511 512 return (res == PSM_ACK); 513 } 514 515 static int 516 disable_aux_dev(KBDC kbdc) 517 { 518 int res; 519 520 res = send_aux_command(kbdc, PSMC_DISABLE_DEV); 521 VLOG(2, (LOG_DEBUG, "psm: DISABLE_DEV return code:%04x\n", res)); 522 523 return (res == PSM_ACK); 524 } 525 526 static int 527 get_mouse_status(KBDC kbdc, int *status, int flag, int len) 528 { 529 int cmd; 530 int res; 531 int i; 532 533 switch (flag) { 534 case 0: 535 default: 536 cmd = PSMC_SEND_DEV_STATUS; 537 break; 538 case 1: 539 cmd = PSMC_SEND_DEV_DATA; 540 break; 541 } 542 empty_aux_buffer(kbdc, 5); 543 res = send_aux_command(kbdc, cmd); 544 VLOG(2, (LOG_DEBUG, "psm: SEND_AUX_DEV_%s return code:%04x\n", 545 (flag == 1) ? "DATA" : "STATUS", res)); 546 if (res != PSM_ACK) 547 return (0); 548 549 for (i = 0; i < len; ++i) { 550 status[i] = read_aux_data(kbdc); 551 if (status[i] < 0) 552 break; 553 } 554 555 VLOG(1, (LOG_DEBUG, "psm: %s %02x %02x %02x\n", 556 (flag == 1) ? "data" : "status", status[0], status[1], status[2])); 557 558 return (i); 559 } 560 561 static int 562 get_aux_id(KBDC kbdc) 563 { 564 int res; 565 int id; 566 567 empty_aux_buffer(kbdc, 5); 568 res = send_aux_command(kbdc, PSMC_SEND_DEV_ID); 569 VLOG(2, (LOG_DEBUG, "psm: SEND_DEV_ID return code:%04x\n", res)); 570 if (res != PSM_ACK) 571 return (-1); 572 573 /* 10ms delay */ 574 DELAY(10000); 575 576 id = read_aux_data(kbdc); 577 VLOG(2, (LOG_DEBUG, "psm: device ID: %04x\n", id)); 578 579 return (id); 580 } 581 582 static int 583 set_mouse_sampling_rate(KBDC kbdc, int rate) 584 { 585 int res; 586 587 res = send_aux_command_and_data(kbdc, PSMC_SET_SAMPLING_RATE, rate); 588 VLOG(2, (LOG_DEBUG, "psm: SET_SAMPLING_RATE (%d) %04x\n", rate, res)); 589 590 return ((res == PSM_ACK) ? rate : -1); 591 } 592 593 static int 594 set_mouse_scaling(KBDC kbdc, int scale) 595 { 596 int res; 597 598 switch (scale) { 599 case 1: 600 default: 601 scale = PSMC_SET_SCALING11; 602 break; 603 case 2: 604 scale = PSMC_SET_SCALING21; 605 break; 606 } 607 res = send_aux_command(kbdc, scale); 608 VLOG(2, (LOG_DEBUG, "psm: SET_SCALING%s return code:%04x\n", 609 (scale == PSMC_SET_SCALING21) ? "21" : "11", res)); 610 611 return (res == PSM_ACK); 612 } 613 614 /* `val' must be 0 through PSMD_MAX_RESOLUTION */ 615 static int 616 set_mouse_resolution(KBDC kbdc, int val) 617 { 618 int res; 619 620 res = send_aux_command_and_data(kbdc, PSMC_SET_RESOLUTION, val); 621 VLOG(2, (LOG_DEBUG, "psm: SET_RESOLUTION (%d) %04x\n", val, res)); 622 623 return ((res == PSM_ACK) ? val : -1); 624 } 625 626 /* 627 * NOTE: once `set_mouse_mode()' is called, the mouse device must be 628 * re-enabled by calling `enable_aux_dev()' 629 */ 630 static int 631 set_mouse_mode(KBDC kbdc) 632 { 633 int res; 634 635 res = send_aux_command(kbdc, PSMC_SET_STREAM_MODE); 636 VLOG(2, (LOG_DEBUG, "psm: SET_STREAM_MODE return code:%04x\n", res)); 637 638 return (res == PSM_ACK); 639 } 640 641 static int 642 get_mouse_buttons(KBDC kbdc) 643 { 644 int c = 2; /* assume two buttons by default */ 645 int status[3]; 646 647 /* 648 * NOTE: a special sequence to obtain Logitech Mouse specific 649 * information: set resolution to 25 ppi, set scaling to 1:1, set 650 * scaling to 1:1, set scaling to 1:1. Then the second byte of the 651 * mouse status bytes is the number of available buttons. 652 * Some manufactures also support this sequence. 653 */ 654 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 655 return (c); 656 if (set_mouse_scaling(kbdc, 1) && set_mouse_scaling(kbdc, 1) && 657 set_mouse_scaling(kbdc, 1) && 658 get_mouse_status(kbdc, status, 0, 3) >= 3 && status[1] != 0) 659 return (status[1]); 660 return (c); 661 } 662 663 /* misc subroutines */ 664 /* 665 * Someday, I will get the complete list of valid pointing devices and 666 * their IDs... XXX 667 */ 668 static int 669 is_a_mouse(int id) 670 { 671 #if 0 672 static int valid_ids[] = { 673 PSM_MOUSE_ID, /* mouse */ 674 PSM_BALLPOINT_ID, /* ballpoint device */ 675 PSM_INTELLI_ID, /* Intellimouse */ 676 PSM_EXPLORER_ID, /* Intellimouse Explorer */ 677 -1 /* end of table */ 678 }; 679 int i; 680 681 for (i = 0; valid_ids[i] >= 0; ++i) 682 if (valid_ids[i] == id) 683 return (TRUE); 684 return (FALSE); 685 #else 686 return (TRUE); 687 #endif 688 } 689 690 static char * 691 model_name(int model) 692 { 693 static struct { 694 int model_code; 695 char *model_name; 696 } models[] = { 697 { MOUSE_MODEL_NETSCROLL, "NetScroll" }, 698 { MOUSE_MODEL_NET, "NetMouse/NetScroll Optical" }, 699 { MOUSE_MODEL_GLIDEPOINT, "GlidePoint" }, 700 { MOUSE_MODEL_THINK, "ThinkingMouse" }, 701 { MOUSE_MODEL_INTELLI, "IntelliMouse" }, 702 { MOUSE_MODEL_MOUSEMANPLUS, "MouseMan+" }, 703 { MOUSE_MODEL_VERSAPAD, "VersaPad" }, 704 { MOUSE_MODEL_EXPLORER, "IntelliMouse Explorer" }, 705 { MOUSE_MODEL_4D, "4D Mouse" }, 706 { MOUSE_MODEL_4DPLUS, "4D+ Mouse" }, 707 { MOUSE_MODEL_SYNAPTICS, "Synaptics Touchpad" }, 708 { MOUSE_MODEL_GENERIC, "Generic PS/2 mouse" }, 709 { MOUSE_MODEL_UNKNOWN, "Unknown" }, 710 }; 711 int i; 712 713 for (i = 0; models[i].model_code != MOUSE_MODEL_UNKNOWN; ++i) 714 if (models[i].model_code == model) 715 break; 716 return (models[i].model_name); 717 } 718 719 static void 720 recover_from_error(KBDC kbdc) 721 { 722 /* discard anything left in the output buffer */ 723 empty_both_buffers(kbdc, 10); 724 725 #if 0 726 /* 727 * NOTE: KBDC_RESET_KBD may not restore the communication between the 728 * keyboard and the controller. 729 */ 730 reset_kbd(kbdc); 731 #else 732 /* 733 * NOTE: somehow diagnostic and keyboard port test commands bring the 734 * keyboard back. 735 */ 736 if (!test_controller(kbdc)) 737 log(LOG_ERR, "psm: keyboard controller failed.\n"); 738 /* if there isn't a keyboard in the system, the following error is OK */ 739 if (test_kbd_port(kbdc) != 0) 740 VLOG(1, (LOG_ERR, "psm: keyboard port failed.\n")); 741 #endif 742 } 743 744 static int 745 restore_controller(KBDC kbdc, int command_byte) 746 { 747 empty_both_buffers(kbdc, 10); 748 749 if (!set_controller_command_byte(kbdc, 0xff, command_byte)) { 750 log(LOG_ERR, "psm: failed to restore the keyboard controller " 751 "command byte.\n"); 752 empty_both_buffers(kbdc, 10); 753 return (FALSE); 754 } else { 755 empty_both_buffers(kbdc, 10); 756 return (TRUE); 757 } 758 } 759 760 /* 761 * Re-initialize the aux port and device. The aux port must be enabled 762 * and its interrupt must be disabled before calling this routine. 763 * The aux device will be disabled before returning. 764 * The keyboard controller must be locked via `kbdc_lock()' before 765 * calling this routine. 766 */ 767 static int 768 doinitialize(struct psm_softc *sc, mousemode_t *mode) 769 { 770 KBDC kbdc = sc->kbdc; 771 int stat[3]; 772 int i; 773 774 switch((i = test_aux_port(kbdc))) { 775 case 1: /* ignore these errors */ 776 case 2: 777 case 3: 778 case PSM_ACK: 779 if (verbose) 780 log(LOG_DEBUG, 781 "psm%d: strange result for test aux port (%d).\n", 782 sc->unit, i); 783 /* FALLTHROUGH */ 784 case 0: /* no error */ 785 break; 786 case -1: /* time out */ 787 default: /* error */ 788 recover_from_error(kbdc); 789 if (sc->config & PSM_CONFIG_IGNPORTERROR) 790 break; 791 log(LOG_ERR, "psm%d: the aux port is not functioning (%d).\n", 792 sc->unit, i); 793 return (FALSE); 794 } 795 796 if (sc->config & PSM_CONFIG_NORESET) { 797 /* 798 * Don't try to reset the pointing device. It may possibly 799 * be left in the unknown state, though... 800 */ 801 } else { 802 /* 803 * NOTE: some controllers appears to hang the `keyboard' when 804 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 805 */ 806 if (!reset_aux_dev(kbdc)) { 807 recover_from_error(kbdc); 808 log(LOG_ERR, "psm%d: failed to reset the aux device.\n", 809 sc->unit); 810 return (FALSE); 811 } 812 } 813 814 /* 815 * both the aux port and the aux device is functioning, see 816 * if the device can be enabled. 817 */ 818 if (!enable_aux_dev(kbdc) || !disable_aux_dev(kbdc)) { 819 log(LOG_ERR, "psm%d: failed to enable the aux device.\n", 820 sc->unit); 821 return (FALSE); 822 } 823 empty_both_buffers(kbdc, 10); /* remove stray data if any */ 824 825 if (sc->config & PSM_CONFIG_NOIDPROBE) 826 i = GENERIC_MOUSE_ENTRY; 827 else { 828 /* FIXME: hardware ID, mouse buttons? */ 829 830 /* other parameters */ 831 for (i = 0; vendortype[i].probefunc != NULL; ++i) 832 if ((*vendortype[i].probefunc)(sc)) { 833 if (verbose >= 2) 834 log(LOG_ERR, "psm%d: found %s\n", 835 sc->unit, 836 model_name(vendortype[i].model)); 837 break; 838 } 839 } 840 841 sc->hw.model = vendortype[i].model; 842 sc->mode.packetsize = vendortype[i].packetsize; 843 844 /* set mouse parameters */ 845 if (mode != (mousemode_t *)NULL) { 846 if (mode->rate > 0) 847 mode->rate = set_mouse_sampling_rate(kbdc, mode->rate); 848 if (mode->resolution >= 0) 849 mode->resolution = 850 set_mouse_resolution(kbdc, mode->resolution); 851 set_mouse_scaling(kbdc, 1); 852 set_mouse_mode(kbdc); 853 } 854 855 /* Record sync on the next data packet we see. */ 856 sc->flags |= PSM_NEED_SYNCBITS; 857 858 /* just check the status of the mouse */ 859 if (get_mouse_status(kbdc, stat, 0, 3) < 3) 860 log(LOG_DEBUG, "psm%d: failed to get status (doinitialize).\n", 861 sc->unit); 862 863 return (TRUE); 864 } 865 866 static int 867 doopen(struct psm_softc *sc, int command_byte) 868 { 869 int stat[3]; 870 871 /* 872 * FIXME: Synaptics TouchPad seems to go back to Relative Mode with 873 * no obvious reason. Thus we check the current mode and restore the 874 * Absolute Mode if it was cleared. 875 * 876 * The previous hack at the end of psmprobe() wasn't efficient when 877 * moused(8) was restarted. 878 * 879 * A Reset (FF) or Set Defaults (F6) command would clear the 880 * Absolute Mode bit. But a verbose boot or debug.psm.loglevel=5 881 * doesn't show any evidence of such a command. 882 */ 883 if (sc->hw.model == MOUSE_MODEL_SYNAPTICS) { 884 mouse_ext_command(sc->kbdc, 1); 885 get_mouse_status(sc->kbdc, stat, 0, 3); 886 if (stat[1] == 0x47 && stat[2] == 0x40) { 887 /* Set the mode byte -- request wmode where 888 * available */ 889 if (sc->synhw.capExtended) 890 mouse_ext_command(sc->kbdc, 0xc1); 891 else 892 mouse_ext_command(sc->kbdc, 0xc0); 893 set_mouse_sampling_rate(sc->kbdc, 20); 894 VLOG(5, (LOG_DEBUG, "psm%d: Synaptis Absolute Mode " 895 "hopefully restored\n", 896 sc->unit)); 897 } 898 } 899 900 /* enable the mouse device */ 901 if (!enable_aux_dev(sc->kbdc)) { 902 /* MOUSE ERROR: failed to enable the mouse because: 903 * 1) the mouse is faulty, 904 * 2) the mouse has been removed(!?) 905 * In the latter case, the keyboard may have hung, and need 906 * recovery procedure... 907 */ 908 recover_from_error(sc->kbdc); 909 #if 0 910 /* FIXME: we could reset the mouse here and try to enable 911 * it again. But it will take long time and it's not a good 912 * idea to disable the keyboard that long... 913 */ 914 if (!doinitialize(sc, &sc->mode) || !enable_aux_dev(sc->kbdc)) { 915 recover_from_error(sc->kbdc); 916 #else 917 { 918 #endif 919 restore_controller(sc->kbdc, command_byte); 920 /* mark this device is no longer available */ 921 sc->state &= ~PSM_VALID; 922 log(LOG_ERR, 923 "psm%d: failed to enable the device (doopen).\n", 924 sc->unit); 925 return (EIO); 926 } 927 } 928 929 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 930 log(LOG_DEBUG, "psm%d: failed to get status (doopen).\n", 931 sc->unit); 932 933 /* enable the aux port and interrupt */ 934 if (!set_controller_command_byte(sc->kbdc, 935 kbdc_get_device_mask(sc->kbdc), 936 (command_byte & KBD_KBD_CONTROL_BITS) | 937 KBD_ENABLE_AUX_PORT | KBD_ENABLE_AUX_INT)) { 938 /* CONTROLLER ERROR */ 939 disable_aux_dev(sc->kbdc); 940 restore_controller(sc->kbdc, command_byte); 941 log(LOG_ERR, 942 "psm%d: failed to enable the aux interrupt (doopen).\n", 943 sc->unit); 944 return (EIO); 945 } 946 947 /* start the watchdog timer */ 948 sc->watchdog = FALSE; 949 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz*2); 950 951 return (0); 952 } 953 954 static int 955 reinitialize(struct psm_softc *sc, int doinit) 956 { 957 int err; 958 int c; 959 int s; 960 961 /* don't let anybody mess with the aux device */ 962 if (!kbdc_lock(sc->kbdc, TRUE)) 963 return (EIO); 964 s = spltty(); 965 966 /* block our watchdog timer */ 967 sc->watchdog = FALSE; 968 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 969 callout_handle_init(&sc->callout); 970 971 /* save the current controller command byte */ 972 empty_both_buffers(sc->kbdc, 10); 973 c = get_controller_command_byte(sc->kbdc); 974 VLOG(2, (LOG_DEBUG, 975 "psm%d: current command byte: %04x (reinitialize).\n", 976 sc->unit, c)); 977 978 /* enable the aux port but disable the aux interrupt and the keyboard */ 979 if ((c == -1) || !set_controller_command_byte(sc->kbdc, 980 kbdc_get_device_mask(sc->kbdc), 981 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 982 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 983 /* CONTROLLER ERROR */ 984 splx(s); 985 kbdc_lock(sc->kbdc, FALSE); 986 log(LOG_ERR, 987 "psm%d: unable to set the command byte (reinitialize).\n", 988 sc->unit); 989 return (EIO); 990 } 991 992 /* flush any data */ 993 if (sc->state & PSM_VALID) { 994 /* this may fail; but never mind... */ 995 disable_aux_dev(sc->kbdc); 996 empty_aux_buffer(sc->kbdc, 10); 997 } 998 flushpackets(sc); 999 sc->syncerrors = 0; 1000 sc->pkterrors = 0; 1001 memset(&sc->lastinputerr, 0, sizeof(sc->lastinputerr)); 1002 1003 /* try to detect the aux device; are you still there? */ 1004 err = 0; 1005 if (doinit) { 1006 if (doinitialize(sc, &sc->mode)) { 1007 /* yes */ 1008 sc->state |= PSM_VALID; 1009 } else { 1010 /* the device has gone! */ 1011 restore_controller(sc->kbdc, c); 1012 sc->state &= ~PSM_VALID; 1013 log(LOG_ERR, 1014 "psm%d: the aux device has gone! (reinitialize).\n", 1015 sc->unit); 1016 err = ENXIO; 1017 } 1018 } 1019 splx(s); 1020 1021 /* restore the driver state */ 1022 if ((sc->state & PSM_OPEN) && (err == 0)) { 1023 /* enable the aux device and the port again */ 1024 err = doopen(sc, c); 1025 if (err != 0) 1026 log(LOG_ERR, "psm%d: failed to enable the device " 1027 "(reinitialize).\n", sc->unit); 1028 } else { 1029 /* restore the keyboard port and disable the aux port */ 1030 if (!set_controller_command_byte(sc->kbdc, 1031 kbdc_get_device_mask(sc->kbdc), 1032 (c & KBD_KBD_CONTROL_BITS) | 1033 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1034 /* CONTROLLER ERROR */ 1035 log(LOG_ERR, "psm%d: failed to disable the aux port " 1036 "(reinitialize).\n", sc->unit); 1037 err = EIO; 1038 } 1039 } 1040 1041 kbdc_lock(sc->kbdc, FALSE); 1042 return (err); 1043 } 1044 1045 /* psm driver entry points */ 1046 1047 static void 1048 psmidentify(driver_t *driver, device_t parent) 1049 { 1050 device_t psmc; 1051 device_t psm; 1052 u_long irq; 1053 int unit; 1054 1055 unit = device_get_unit(parent); 1056 1057 /* always add at least one child */ 1058 psm = BUS_ADD_CHILD(parent, KBDC_RID_AUX, driver->name, unit); 1059 if (psm == NULL) 1060 return; 1061 1062 irq = bus_get_resource_start(psm, SYS_RES_IRQ, KBDC_RID_AUX); 1063 if (irq > 0) 1064 return; 1065 1066 /* 1067 * If the PS/2 mouse device has already been reported by ACPI or 1068 * PnP BIOS, obtain the IRQ resource from it. 1069 * (See psmcpnp_attach() below.) 1070 */ 1071 psmc = device_find_child(device_get_parent(parent), 1072 PSMCPNP_DRIVER_NAME, unit); 1073 if (psmc == NULL) 1074 return; 1075 irq = bus_get_resource_start(psmc, SYS_RES_IRQ, 0); 1076 if (irq <= 0) 1077 return; 1078 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 1079 } 1080 1081 #define endprobe(v) do { \ 1082 if (bootverbose) \ 1083 --verbose; \ 1084 kbdc_set_device_mask(sc->kbdc, mask); \ 1085 kbdc_lock(sc->kbdc, FALSE); \ 1086 return (v); \ 1087 } while (0) 1088 1089 static int 1090 psmprobe(device_t dev) 1091 { 1092 int unit = device_get_unit(dev); 1093 struct psm_softc *sc = device_get_softc(dev); 1094 int stat[3]; 1095 int command_byte; 1096 int mask; 1097 int rid; 1098 int i; 1099 1100 #if 0 1101 kbdc_debug(TRUE); 1102 #endif 1103 1104 /* see if IRQ is available */ 1105 rid = KBDC_RID_AUX; 1106 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 1107 RF_SHAREABLE | RF_ACTIVE); 1108 if (sc->intr == NULL) { 1109 if (bootverbose) 1110 device_printf(dev, "unable to allocate IRQ\n"); 1111 return (ENXIO); 1112 } 1113 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1114 1115 sc->unit = unit; 1116 sc->kbdc = atkbdc_open(device_get_unit(device_get_parent(dev))); 1117 sc->config = device_get_flags(dev) & PSM_CONFIG_FLAGS; 1118 /* XXX: for backward compatibility */ 1119 #if defined(PSM_HOOKRESUME) || defined(PSM_HOOKAPM) 1120 sc->config |= 1121 #ifdef PSM_RESETAFTERSUSPEND 1122 PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 1123 #else 1124 PSM_CONFIG_HOOKRESUME; 1125 #endif 1126 #endif /* PSM_HOOKRESUME | PSM_HOOKAPM */ 1127 sc->flags = 0; 1128 if (bootverbose) 1129 ++verbose; 1130 1131 device_set_desc(dev, "PS/2 Mouse"); 1132 1133 if (!kbdc_lock(sc->kbdc, TRUE)) { 1134 printf("psm%d: unable to lock the controller.\n", unit); 1135 if (bootverbose) 1136 --verbose; 1137 return (ENXIO); 1138 } 1139 1140 /* 1141 * NOTE: two bits in the command byte controls the operation of the 1142 * aux port (mouse port): the aux port disable bit (bit 5) and the aux 1143 * port interrupt (IRQ 12) enable bit (bit 2). 1144 */ 1145 1146 /* discard anything left after the keyboard initialization */ 1147 empty_both_buffers(sc->kbdc, 10); 1148 1149 /* save the current command byte; it will be used later */ 1150 mask = kbdc_get_device_mask(sc->kbdc) & ~KBD_AUX_CONTROL_BITS; 1151 command_byte = get_controller_command_byte(sc->kbdc); 1152 if (verbose) 1153 printf("psm%d: current command byte:%04x\n", unit, 1154 command_byte); 1155 if (command_byte == -1) { 1156 /* CONTROLLER ERROR */ 1157 printf("psm%d: unable to get the current command byte value.\n", 1158 unit); 1159 endprobe(ENXIO); 1160 } 1161 1162 /* 1163 * disable the keyboard port while probing the aux port, which must be 1164 * enabled during this routine 1165 */ 1166 if (!set_controller_command_byte(sc->kbdc, 1167 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1168 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1169 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1170 /* 1171 * this is CONTROLLER ERROR; I don't know how to recover 1172 * from this error... 1173 */ 1174 restore_controller(sc->kbdc, command_byte); 1175 printf("psm%d: unable to set the command byte.\n", unit); 1176 endprobe(ENXIO); 1177 } 1178 write_controller_command(sc->kbdc, KBDC_ENABLE_AUX_PORT); 1179 1180 /* 1181 * NOTE: `test_aux_port()' is designed to return with zero if the aux 1182 * port exists and is functioning. However, some controllers appears 1183 * to respond with zero even when the aux port doesn't exist. (It may 1184 * be that this is only the case when the controller DOES have the aux 1185 * port but the port is not wired on the motherboard.) The keyboard 1186 * controllers without the port, such as the original AT, are 1187 * supporsed to return with an error code or simply time out. In any 1188 * case, we have to continue probing the port even when the controller 1189 * passes this test. 1190 * 1191 * XXX: some controllers erroneously return the error code 1, 2 or 3 1192 * when it has the perfectly functional aux port. We have to ignore 1193 * this error code. Even if the controller HAS error with the aux 1194 * port, it will be detected later... 1195 * XXX: another incompatible controller returns PSM_ACK (0xfa)... 1196 */ 1197 switch ((i = test_aux_port(sc->kbdc))) { 1198 case 1: /* ignore these errors */ 1199 case 2: 1200 case 3: 1201 case PSM_ACK: 1202 if (verbose) 1203 printf("psm%d: strange result for test aux port " 1204 "(%d).\n", unit, i); 1205 /* FALLTHROUGH */ 1206 case 0: /* no error */ 1207 break; 1208 case -1: /* time out */ 1209 default: /* error */ 1210 recover_from_error(sc->kbdc); 1211 if (sc->config & PSM_CONFIG_IGNPORTERROR) 1212 break; 1213 restore_controller(sc->kbdc, command_byte); 1214 if (verbose) 1215 printf("psm%d: the aux port is not functioning (%d).\n", 1216 unit, i); 1217 endprobe(ENXIO); 1218 } 1219 1220 if (sc->config & PSM_CONFIG_NORESET) { 1221 /* 1222 * Don't try to reset the pointing device. It may possibly be 1223 * left in the unknown state, though... 1224 */ 1225 } else { 1226 /* 1227 * NOTE: some controllers appears to hang the `keyboard' when 1228 * the aux port doesn't exist and `PSMC_RESET_DEV' is issued. 1229 * 1230 * Attempt to reset the controller twice -- this helps 1231 * pierce through some KVM switches. The second reset 1232 * is non-fatal. 1233 */ 1234 if (!reset_aux_dev(sc->kbdc)) { 1235 recover_from_error(sc->kbdc); 1236 restore_controller(sc->kbdc, command_byte); 1237 if (verbose) 1238 printf("psm%d: failed to reset the aux " 1239 "device.\n", unit); 1240 endprobe(ENXIO); 1241 } else if (!reset_aux_dev(sc->kbdc)) { 1242 recover_from_error(sc->kbdc); 1243 if (verbose >= 2) 1244 printf("psm%d: failed to reset the aux device " 1245 "(2).\n", unit); 1246 } 1247 } 1248 1249 /* 1250 * both the aux port and the aux device is functioning, see if the 1251 * device can be enabled. NOTE: when enabled, the device will start 1252 * sending data; we shall immediately disable the device once we know 1253 * the device can be enabled. 1254 */ 1255 if (!enable_aux_dev(sc->kbdc) || !disable_aux_dev(sc->kbdc)) { 1256 /* MOUSE ERROR */ 1257 recover_from_error(sc->kbdc); 1258 restore_controller(sc->kbdc, command_byte); 1259 if (verbose) 1260 printf("psm%d: failed to enable the aux device.\n", 1261 unit); 1262 endprobe(ENXIO); 1263 } 1264 1265 /* save the default values after reset */ 1266 if (get_mouse_status(sc->kbdc, stat, 0, 3) >= 3) { 1267 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1268 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1269 } else { 1270 sc->dflt_mode.rate = sc->mode.rate = -1; 1271 sc->dflt_mode.resolution = sc->mode.resolution = -1; 1272 } 1273 1274 /* hardware information */ 1275 sc->hw.iftype = MOUSE_IF_PS2; 1276 1277 /* verify the device is a mouse */ 1278 sc->hw.hwid = get_aux_id(sc->kbdc); 1279 if (!is_a_mouse(sc->hw.hwid)) { 1280 restore_controller(sc->kbdc, command_byte); 1281 if (verbose) 1282 printf("psm%d: unknown device type (%d).\n", unit, 1283 sc->hw.hwid); 1284 endprobe(ENXIO); 1285 } 1286 switch (sc->hw.hwid) { 1287 case PSM_BALLPOINT_ID: 1288 sc->hw.type = MOUSE_TRACKBALL; 1289 break; 1290 case PSM_MOUSE_ID: 1291 case PSM_INTELLI_ID: 1292 case PSM_EXPLORER_ID: 1293 case PSM_4DMOUSE_ID: 1294 case PSM_4DPLUS_ID: 1295 sc->hw.type = MOUSE_MOUSE; 1296 break; 1297 default: 1298 sc->hw.type = MOUSE_UNKNOWN; 1299 break; 1300 } 1301 1302 if (sc->config & PSM_CONFIG_NOIDPROBE) { 1303 sc->hw.buttons = 2; 1304 i = GENERIC_MOUSE_ENTRY; 1305 } else { 1306 /* # of buttons */ 1307 sc->hw.buttons = get_mouse_buttons(sc->kbdc); 1308 1309 /* other parameters */ 1310 for (i = 0; vendortype[i].probefunc != NULL; ++i) 1311 if ((*vendortype[i].probefunc)(sc)) { 1312 if (verbose >= 2) 1313 printf("psm%d: found %s\n", unit, 1314 model_name(vendortype[i].model)); 1315 break; 1316 } 1317 } 1318 1319 sc->hw.model = vendortype[i].model; 1320 1321 sc->dflt_mode.level = PSM_LEVEL_BASE; 1322 sc->dflt_mode.packetsize = MOUSE_PS2_PACKETSIZE; 1323 sc->dflt_mode.accelfactor = (sc->config & PSM_CONFIG_ACCEL) >> 4; 1324 if (sc->config & PSM_CONFIG_NOCHECKSYNC) 1325 sc->dflt_mode.syncmask[0] = 0; 1326 else 1327 sc->dflt_mode.syncmask[0] = vendortype[i].syncmask; 1328 if (sc->config & PSM_CONFIG_FORCETAP) 1329 sc->dflt_mode.syncmask[0] &= ~MOUSE_PS2_TAP; 1330 sc->dflt_mode.syncmask[1] = 0; /* syncbits */ 1331 sc->mode = sc->dflt_mode; 1332 sc->mode.packetsize = vendortype[i].packetsize; 1333 1334 /* set mouse parameters */ 1335 #if 0 1336 /* 1337 * A version of Logitech FirstMouse+ won't report wheel movement, 1338 * if SET_DEFAULTS is sent... Don't use this command. 1339 * This fix was found by Takashi Nishida. 1340 */ 1341 i = send_aux_command(sc->kbdc, PSMC_SET_DEFAULTS); 1342 if (verbose >= 2) 1343 printf("psm%d: SET_DEFAULTS return code:%04x\n", unit, i); 1344 #endif 1345 if (sc->config & PSM_CONFIG_RESOLUTION) 1346 sc->mode.resolution = 1347 set_mouse_resolution(sc->kbdc, 1348 (sc->config & PSM_CONFIG_RESOLUTION) - 1); 1349 else if (sc->mode.resolution >= 0) 1350 sc->mode.resolution = 1351 set_mouse_resolution(sc->kbdc, sc->dflt_mode.resolution); 1352 if (sc->mode.rate > 0) 1353 sc->mode.rate = 1354 set_mouse_sampling_rate(sc->kbdc, sc->dflt_mode.rate); 1355 set_mouse_scaling(sc->kbdc, 1); 1356 1357 /* Record sync on the next data packet we see. */ 1358 sc->flags |= PSM_NEED_SYNCBITS; 1359 1360 /* just check the status of the mouse */ 1361 /* 1362 * NOTE: XXX there are some arcane controller/mouse combinations out 1363 * there, which hung the controller unless there is data transmission 1364 * after ACK from the mouse. 1365 */ 1366 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1367 printf("psm%d: failed to get status.\n", unit); 1368 else { 1369 /* 1370 * When in its native mode, some mice operate with different 1371 * default parameters than in the PS/2 compatible mode. 1372 */ 1373 sc->dflt_mode.rate = sc->mode.rate = stat[2]; 1374 sc->dflt_mode.resolution = sc->mode.resolution = stat[1]; 1375 } 1376 1377 /* disable the aux port for now... */ 1378 if (!set_controller_command_byte(sc->kbdc, 1379 KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS, 1380 (command_byte & KBD_KBD_CONTROL_BITS) | 1381 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1382 /* 1383 * this is CONTROLLER ERROR; I don't know the proper way to 1384 * recover from this error... 1385 */ 1386 restore_controller(sc->kbdc, command_byte); 1387 printf("psm%d: unable to set the command byte.\n", unit); 1388 endprobe(ENXIO); 1389 } 1390 1391 /* done */ 1392 kbdc_set_device_mask(sc->kbdc, mask | KBD_AUX_CONTROL_BITS); 1393 kbdc_lock(sc->kbdc, FALSE); 1394 return (0); 1395 } 1396 1397 static int 1398 psmattach(device_t dev) 1399 { 1400 int unit = device_get_unit(dev); 1401 struct psm_softc *sc = device_get_softc(dev); 1402 int error; 1403 int rid; 1404 1405 /* Setup initial state */ 1406 sc->state = PSM_VALID; 1407 callout_handle_init(&sc->callout); 1408 1409 /* Setup our interrupt handler */ 1410 rid = KBDC_RID_AUX; 1411 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 1412 RF_SHAREABLE | RF_ACTIVE); 1413 if (sc->intr == NULL) 1414 return (ENXIO); 1415 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, psmintr, sc, 1416 &sc->ih); 1417 if (error) { 1418 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1419 return (error); 1420 } 1421 1422 /* Done */ 1423 sc->dev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, FALSE), 0, 0, 0666, 1424 "psm%d", unit); 1425 sc->bdev = make_dev(&psm_cdevsw, PSM_MKMINOR(unit, TRUE), 0, 0, 0666, 1426 "bpsm%d", unit); 1427 1428 if (!verbose) 1429 printf("psm%d: model %s, device ID %d\n", 1430 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff); 1431 else { 1432 printf("psm%d: model %s, device ID %d-%02x, %d buttons\n", 1433 unit, model_name(sc->hw.model), sc->hw.hwid & 0x00ff, 1434 sc->hw.hwid >> 8, sc->hw.buttons); 1435 printf("psm%d: config:%08x, flags:%08x, packet size:%d\n", 1436 unit, sc->config, sc->flags, sc->mode.packetsize); 1437 printf("psm%d: syncmask:%02x, syncbits:%02x\n", 1438 unit, sc->mode.syncmask[0], sc->mode.syncmask[1]); 1439 } 1440 1441 if (bootverbose) 1442 --verbose; 1443 1444 return (0); 1445 } 1446 1447 static int 1448 psmdetach(device_t dev) 1449 { 1450 struct psm_softc *sc; 1451 int rid; 1452 1453 sc = device_get_softc(dev); 1454 if (sc->state & PSM_OPEN) 1455 return (EBUSY); 1456 1457 rid = KBDC_RID_AUX; 1458 bus_teardown_intr(dev, sc->intr, sc->ih); 1459 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr); 1460 1461 destroy_dev(sc->dev); 1462 destroy_dev(sc->bdev); 1463 1464 return (0); 1465 } 1466 1467 static int 1468 psmopen(struct cdev *dev, int flag, int fmt, struct thread *td) 1469 { 1470 int unit = PSM_UNIT(dev); 1471 struct psm_softc *sc; 1472 int command_byte; 1473 int err; 1474 int s; 1475 1476 /* Get device data */ 1477 sc = PSM_SOFTC(unit); 1478 if ((sc == NULL) || (sc->state & PSM_VALID) == 0) { 1479 /* the device is no longer valid/functioning */ 1480 return (ENXIO); 1481 } 1482 1483 /* Disallow multiple opens */ 1484 if (sc->state & PSM_OPEN) 1485 return (EBUSY); 1486 1487 device_busy(devclass_get_device(psm_devclass, unit)); 1488 1489 /* Initialize state */ 1490 sc->mode.level = sc->dflt_mode.level; 1491 sc->mode.protocol = sc->dflt_mode.protocol; 1492 sc->watchdog = FALSE; 1493 1494 /* flush the event queue */ 1495 sc->queue.count = 0; 1496 sc->queue.head = 0; 1497 sc->queue.tail = 0; 1498 sc->status.flags = 0; 1499 sc->status.button = 0; 1500 sc->status.obutton = 0; 1501 sc->status.dx = 0; 1502 sc->status.dy = 0; 1503 sc->status.dz = 0; 1504 sc->button = 0; 1505 sc->pqueue_start = 0; 1506 sc->pqueue_end = 0; 1507 1508 /* empty input buffer */ 1509 flushpackets(sc); 1510 sc->syncerrors = 0; 1511 sc->pkterrors = 0; 1512 1513 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1514 if (!kbdc_lock(sc->kbdc, TRUE)) 1515 return (EIO); 1516 1517 /* save the current controller command byte */ 1518 s = spltty(); 1519 command_byte = get_controller_command_byte(sc->kbdc); 1520 1521 /* enable the aux port and temporalily disable the keyboard */ 1522 if (command_byte == -1 || !set_controller_command_byte(sc->kbdc, 1523 kbdc_get_device_mask(sc->kbdc), 1524 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1525 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1526 /* CONTROLLER ERROR; do you know how to get out of this? */ 1527 kbdc_lock(sc->kbdc, FALSE); 1528 splx(s); 1529 log(LOG_ERR, 1530 "psm%d: unable to set the command byte (psmopen).\n", unit); 1531 return (EIO); 1532 } 1533 /* 1534 * Now that the keyboard controller is told not to generate 1535 * the keyboard and mouse interrupts, call `splx()' to allow 1536 * the other tty interrupts. The clock interrupt may also occur, 1537 * but timeout routines will be blocked by the poll flag set 1538 * via `kbdc_lock()' 1539 */ 1540 splx(s); 1541 1542 /* enable the mouse device */ 1543 err = doopen(sc, command_byte); 1544 1545 /* done */ 1546 if (err == 0) 1547 sc->state |= PSM_OPEN; 1548 kbdc_lock(sc->kbdc, FALSE); 1549 return (err); 1550 } 1551 1552 static int 1553 psmclose(struct cdev *dev, int flag, int fmt, struct thread *td) 1554 { 1555 int unit = PSM_UNIT(dev); 1556 struct psm_softc *sc = PSM_SOFTC(unit); 1557 int stat[3]; 1558 int command_byte; 1559 int s; 1560 1561 /* don't let timeout routines in the keyboard driver to poll the kbdc */ 1562 if (!kbdc_lock(sc->kbdc, TRUE)) 1563 return (EIO); 1564 1565 /* save the current controller command byte */ 1566 s = spltty(); 1567 command_byte = get_controller_command_byte(sc->kbdc); 1568 if (command_byte == -1) { 1569 kbdc_lock(sc->kbdc, FALSE); 1570 splx(s); 1571 return (EIO); 1572 } 1573 1574 /* disable the aux interrupt and temporalily disable the keyboard */ 1575 if (!set_controller_command_byte(sc->kbdc, 1576 kbdc_get_device_mask(sc->kbdc), 1577 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1578 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1579 log(LOG_ERR, 1580 "psm%d: failed to disable the aux int (psmclose).\n", unit); 1581 /* CONTROLLER ERROR; 1582 * NOTE: we shall force our way through. Because the only 1583 * ill effect we shall see is that we may not be able 1584 * to read ACK from the mouse, and it doesn't matter much 1585 * so long as the mouse will accept the DISABLE command. 1586 */ 1587 } 1588 splx(s); 1589 1590 /* stop the watchdog timer */ 1591 untimeout(psmtimeout, (void *)(uintptr_t)sc, sc->callout); 1592 callout_handle_init(&sc->callout); 1593 1594 /* remove anything left in the output buffer */ 1595 empty_aux_buffer(sc->kbdc, 10); 1596 1597 /* disable the aux device, port and interrupt */ 1598 if (sc->state & PSM_VALID) { 1599 if (!disable_aux_dev(sc->kbdc)) { 1600 /* MOUSE ERROR; 1601 * NOTE: we don't return (error) and continue, 1602 * pretending we have successfully disabled the device. 1603 * It's OK because the interrupt routine will discard 1604 * any data from the mouse hereafter. 1605 */ 1606 log(LOG_ERR, 1607 "psm%d: failed to disable the device (psmclose).\n", 1608 unit); 1609 } 1610 1611 if (get_mouse_status(sc->kbdc, stat, 0, 3) < 3) 1612 log(LOG_DEBUG, 1613 "psm%d: failed to get status (psmclose).\n", unit); 1614 } 1615 1616 if (!set_controller_command_byte(sc->kbdc, 1617 kbdc_get_device_mask(sc->kbdc), 1618 (command_byte & KBD_KBD_CONTROL_BITS) | 1619 KBD_DISABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1620 /* 1621 * CONTROLLER ERROR; 1622 * we shall ignore this error; see the above comment. 1623 */ 1624 log(LOG_ERR, 1625 "psm%d: failed to disable the aux port (psmclose).\n", 1626 unit); 1627 } 1628 1629 /* remove anything left in the output buffer */ 1630 empty_aux_buffer(sc->kbdc, 10); 1631 1632 /* close is almost always successful */ 1633 sc->state &= ~PSM_OPEN; 1634 kbdc_lock(sc->kbdc, FALSE); 1635 device_unbusy(devclass_get_device(psm_devclass, unit)); 1636 return (0); 1637 } 1638 1639 static int 1640 tame_mouse(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *status, 1641 u_char *buf) 1642 { 1643 static u_char butmapps2[8] = { 1644 0, 1645 MOUSE_PS2_BUTTON1DOWN, 1646 MOUSE_PS2_BUTTON2DOWN, 1647 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN, 1648 MOUSE_PS2_BUTTON3DOWN, 1649 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON3DOWN, 1650 MOUSE_PS2_BUTTON2DOWN | MOUSE_PS2_BUTTON3DOWN, 1651 MOUSE_PS2_BUTTON1DOWN | MOUSE_PS2_BUTTON2DOWN | 1652 MOUSE_PS2_BUTTON3DOWN, 1653 }; 1654 static u_char butmapmsc[8] = { 1655 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP | 1656 MOUSE_MSC_BUTTON3UP, 1657 MOUSE_MSC_BUTTON2UP | MOUSE_MSC_BUTTON3UP, 1658 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON3UP, 1659 MOUSE_MSC_BUTTON3UP, 1660 MOUSE_MSC_BUTTON1UP | MOUSE_MSC_BUTTON2UP, 1661 MOUSE_MSC_BUTTON2UP, 1662 MOUSE_MSC_BUTTON1UP, 1663 0, 1664 }; 1665 int mapped; 1666 int i; 1667 1668 if (sc->mode.level == PSM_LEVEL_BASE) { 1669 mapped = status->button & ~MOUSE_BUTTON4DOWN; 1670 if (status->button & MOUSE_BUTTON4DOWN) 1671 mapped |= MOUSE_BUTTON1DOWN; 1672 status->button = mapped; 1673 buf[0] = MOUSE_PS2_SYNC | butmapps2[mapped & MOUSE_STDBUTTONS]; 1674 i = imax(imin(status->dx, 255), -256); 1675 if (i < 0) 1676 buf[0] |= MOUSE_PS2_XNEG; 1677 buf[1] = i; 1678 i = imax(imin(status->dy, 255), -256); 1679 if (i < 0) 1680 buf[0] |= MOUSE_PS2_YNEG; 1681 buf[2] = i; 1682 return (MOUSE_PS2_PACKETSIZE); 1683 } else if (sc->mode.level == PSM_LEVEL_STANDARD) { 1684 buf[0] = MOUSE_MSC_SYNC | 1685 butmapmsc[status->button & MOUSE_STDBUTTONS]; 1686 i = imax(imin(status->dx, 255), -256); 1687 buf[1] = i >> 1; 1688 buf[3] = i - buf[1]; 1689 i = imax(imin(status->dy, 255), -256); 1690 buf[2] = i >> 1; 1691 buf[4] = i - buf[2]; 1692 i = imax(imin(status->dz, 127), -128); 1693 buf[5] = (i >> 1) & 0x7f; 1694 buf[6] = (i - (i >> 1)) & 0x7f; 1695 buf[7] = (~status->button >> 3) & 0x7f; 1696 return (MOUSE_SYS_PACKETSIZE); 1697 } 1698 return (pb->inputbytes); 1699 } 1700 1701 static int 1702 psmread(struct cdev *dev, struct uio *uio, int flag) 1703 { 1704 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1705 u_char buf[PSM_SMALLBUFSIZE]; 1706 int error = 0; 1707 int s; 1708 int l; 1709 1710 if ((sc->state & PSM_VALID) == 0) 1711 return (EIO); 1712 1713 /* block until mouse activity occured */ 1714 s = spltty(); 1715 while (sc->queue.count <= 0) { 1716 if (PSM_NBLOCKIO(dev)) { 1717 splx(s); 1718 return (EWOULDBLOCK); 1719 } 1720 sc->state |= PSM_ASLP; 1721 error = tsleep(sc, PZERO | PCATCH, "psmrea", 0); 1722 sc->state &= ~PSM_ASLP; 1723 if (error) { 1724 splx(s); 1725 return (error); 1726 } else if ((sc->state & PSM_VALID) == 0) { 1727 /* the device disappeared! */ 1728 splx(s); 1729 return (EIO); 1730 } 1731 } 1732 splx(s); 1733 1734 /* copy data to the user land */ 1735 while ((sc->queue.count > 0) && (uio->uio_resid > 0)) { 1736 s = spltty(); 1737 l = imin(sc->queue.count, uio->uio_resid); 1738 if (l > sizeof(buf)) 1739 l = sizeof(buf); 1740 if (l > sizeof(sc->queue.buf) - sc->queue.head) { 1741 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], 1742 sizeof(sc->queue.buf) - sc->queue.head); 1743 bcopy(&sc->queue.buf[0], 1744 &buf[sizeof(sc->queue.buf) - sc->queue.head], 1745 l - (sizeof(sc->queue.buf) - sc->queue.head)); 1746 } else 1747 bcopy(&sc->queue.buf[sc->queue.head], &buf[0], l); 1748 sc->queue.count -= l; 1749 sc->queue.head = (sc->queue.head + l) % sizeof(sc->queue.buf); 1750 splx(s); 1751 error = uiomove(buf, l, uio); 1752 if (error) 1753 break; 1754 } 1755 1756 return (error); 1757 } 1758 1759 static int 1760 block_mouse_data(struct psm_softc *sc, int *c) 1761 { 1762 int s; 1763 1764 if (!kbdc_lock(sc->kbdc, TRUE)) 1765 return (EIO); 1766 1767 s = spltty(); 1768 *c = get_controller_command_byte(sc->kbdc); 1769 if ((*c == -1) || !set_controller_command_byte(sc->kbdc, 1770 kbdc_get_device_mask(sc->kbdc), 1771 KBD_DISABLE_KBD_PORT | KBD_DISABLE_KBD_INT | 1772 KBD_ENABLE_AUX_PORT | KBD_DISABLE_AUX_INT)) { 1773 /* this is CONTROLLER ERROR */ 1774 splx(s); 1775 kbdc_lock(sc->kbdc, FALSE); 1776 return (EIO); 1777 } 1778 1779 /* 1780 * The device may be in the middle of status data transmission. 1781 * The transmission will be interrupted, thus, incomplete status 1782 * data must be discarded. Although the aux interrupt is disabled 1783 * at the keyboard controller level, at most one aux interrupt 1784 * may have already been pending and a data byte is in the 1785 * output buffer; throw it away. Note that the second argument 1786 * to `empty_aux_buffer()' is zero, so that the call will just 1787 * flush the internal queue. 1788 * `psmintr()' will be invoked after `splx()' if an interrupt is 1789 * pending; it will see no data and returns immediately. 1790 */ 1791 empty_aux_buffer(sc->kbdc, 0); /* flush the queue */ 1792 read_aux_data_no_wait(sc->kbdc); /* throw away data if any */ 1793 flushpackets(sc); 1794 splx(s); 1795 1796 return (0); 1797 } 1798 1799 static void 1800 dropqueue(struct psm_softc *sc) 1801 { 1802 1803 sc->queue.count = 0; 1804 sc->queue.head = 0; 1805 sc->queue.tail = 0; 1806 if ((sc->state & PSM_SOFTARMED) != 0) { 1807 sc->state &= ~PSM_SOFTARMED; 1808 untimeout(psmsoftintr, (void *)(uintptr_t)sc, sc->softcallout); 1809 } 1810 sc->pqueue_start = sc->pqueue_end; 1811 } 1812 1813 static void 1814 flushpackets(struct psm_softc *sc) 1815 { 1816 1817 dropqueue(sc); 1818 bzero(&sc->pqueue, sizeof(sc->pqueue)); 1819 } 1820 1821 static int 1822 unblock_mouse_data(struct psm_softc *sc, int c) 1823 { 1824 int error = 0; 1825 1826 /* 1827 * We may have seen a part of status data during `set_mouse_XXX()'. 1828 * they have been queued; flush it. 1829 */ 1830 empty_aux_buffer(sc->kbdc, 0); 1831 1832 /* restore ports and interrupt */ 1833 if (!set_controller_command_byte(sc->kbdc, 1834 kbdc_get_device_mask(sc->kbdc), 1835 c & (KBD_KBD_CONTROL_BITS | KBD_AUX_CONTROL_BITS))) { 1836 /* 1837 * CONTROLLER ERROR; this is serious, we may have 1838 * been left with the inaccessible keyboard and 1839 * the disabled mouse interrupt. 1840 */ 1841 error = EIO; 1842 } 1843 1844 kbdc_lock(sc->kbdc, FALSE); 1845 return (error); 1846 } 1847 1848 static int 1849 psmwrite(struct cdev *dev, struct uio *uio, int flag) 1850 { 1851 register struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1852 u_char buf[PSM_SMALLBUFSIZE]; 1853 int error = 0, i, l; 1854 1855 if ((sc->state & PSM_VALID) == 0) 1856 return (EIO); 1857 1858 if (sc->mode.level < PSM_LEVEL_NATIVE) 1859 return (ENODEV); 1860 1861 /* copy data from the user land */ 1862 while (uio->uio_resid > 0) { 1863 l = imin(PSM_SMALLBUFSIZE, uio->uio_resid); 1864 error = uiomove(buf, l, uio); 1865 if (error) 1866 break; 1867 for (i = 0; i < l; i++) { 1868 VLOG(4, (LOG_DEBUG, "psm: cmd 0x%x\n", buf[i])); 1869 if (!write_aux_command(sc->kbdc, buf[i])) { 1870 VLOG(2, (LOG_DEBUG, 1871 "psm: cmd 0x%x failed.\n", buf[i])); 1872 return (reinitialize(sc, FALSE)); 1873 } 1874 } 1875 } 1876 1877 return (error); 1878 } 1879 1880 static int 1881 psmioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, 1882 struct thread *td) 1883 { 1884 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 1885 mousemode_t mode; 1886 mousestatus_t status; 1887 #if (defined(MOUSE_GETVARS)) 1888 mousevar_t *var; 1889 #endif 1890 mousedata_t *data; 1891 int stat[3]; 1892 int command_byte; 1893 int error = 0; 1894 int s; 1895 1896 /* Perform IOCTL command */ 1897 switch (cmd) { 1898 1899 case OLD_MOUSE_GETHWINFO: 1900 s = spltty(); 1901 ((old_mousehw_t *)addr)->buttons = sc->hw.buttons; 1902 ((old_mousehw_t *)addr)->iftype = sc->hw.iftype; 1903 ((old_mousehw_t *)addr)->type = sc->hw.type; 1904 ((old_mousehw_t *)addr)->hwid = sc->hw.hwid & 0x00ff; 1905 splx(s); 1906 break; 1907 1908 case MOUSE_GETHWINFO: 1909 s = spltty(); 1910 *(mousehw_t *)addr = sc->hw; 1911 if (sc->mode.level == PSM_LEVEL_BASE) 1912 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 1913 splx(s); 1914 break; 1915 1916 case MOUSE_SYN_GETHWINFO: 1917 s = spltty(); 1918 if (synaptics_support && sc->hw.model == MOUSE_MODEL_SYNAPTICS) 1919 *(synapticshw_t *)addr = sc->synhw; 1920 else 1921 error = EINVAL; 1922 splx(s); 1923 break; 1924 1925 case OLD_MOUSE_GETMODE: 1926 s = spltty(); 1927 switch (sc->mode.level) { 1928 case PSM_LEVEL_BASE: 1929 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1930 break; 1931 case PSM_LEVEL_STANDARD: 1932 ((old_mousemode_t *)addr)->protocol = 1933 MOUSE_PROTO_SYSMOUSE; 1934 break; 1935 case PSM_LEVEL_NATIVE: 1936 ((old_mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1937 break; 1938 } 1939 ((old_mousemode_t *)addr)->rate = sc->mode.rate; 1940 ((old_mousemode_t *)addr)->resolution = sc->mode.resolution; 1941 ((old_mousemode_t *)addr)->accelfactor = sc->mode.accelfactor; 1942 splx(s); 1943 break; 1944 1945 case MOUSE_GETMODE: 1946 s = spltty(); 1947 *(mousemode_t *)addr = sc->mode; 1948 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 1949 ((mousemode_t *)addr)->syncmask[0] = 0; 1950 ((mousemode_t *)addr)->syncmask[1] = 0; 1951 } 1952 ((mousemode_t *)addr)->resolution = 1953 MOUSE_RES_LOW - sc->mode.resolution; 1954 switch (sc->mode.level) { 1955 case PSM_LEVEL_BASE: 1956 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1957 ((mousemode_t *)addr)->packetsize = 1958 MOUSE_PS2_PACKETSIZE; 1959 break; 1960 case PSM_LEVEL_STANDARD: 1961 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 1962 ((mousemode_t *)addr)->packetsize = 1963 MOUSE_SYS_PACKETSIZE; 1964 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 1965 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 1966 break; 1967 case PSM_LEVEL_NATIVE: 1968 /* FIXME: this isn't quite correct... XXX */ 1969 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_PS2; 1970 break; 1971 } 1972 splx(s); 1973 break; 1974 1975 case OLD_MOUSE_SETMODE: 1976 case MOUSE_SETMODE: 1977 if (cmd == OLD_MOUSE_SETMODE) { 1978 mode.rate = ((old_mousemode_t *)addr)->rate; 1979 /* 1980 * resolution old I/F new I/F 1981 * default 0 0 1982 * low 1 -2 1983 * medium low 2 -3 1984 * medium high 3 -4 1985 * high 4 -5 1986 */ 1987 if (((old_mousemode_t *)addr)->resolution > 0) 1988 mode.resolution = 1989 -((old_mousemode_t *)addr)->resolution - 1; 1990 else 1991 mode.resolution = 0; 1992 mode.accelfactor = 1993 ((old_mousemode_t *)addr)->accelfactor; 1994 mode.level = -1; 1995 } else 1996 mode = *(mousemode_t *)addr; 1997 1998 /* adjust and validate parameters. */ 1999 if (mode.rate > UCHAR_MAX) 2000 return (EINVAL); 2001 if (mode.rate == 0) 2002 mode.rate = sc->dflt_mode.rate; 2003 else if (mode.rate == -1) 2004 /* don't change the current setting */ 2005 ; 2006 else if (mode.rate < 0) 2007 return (EINVAL); 2008 if (mode.resolution >= UCHAR_MAX) 2009 return (EINVAL); 2010 if (mode.resolution >= 200) 2011 mode.resolution = MOUSE_RES_HIGH; 2012 else if (mode.resolution >= 100) 2013 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2014 else if (mode.resolution >= 50) 2015 mode.resolution = MOUSE_RES_MEDIUMLOW; 2016 else if (mode.resolution > 0) 2017 mode.resolution = MOUSE_RES_LOW; 2018 if (mode.resolution == MOUSE_RES_DEFAULT) 2019 mode.resolution = sc->dflt_mode.resolution; 2020 else if (mode.resolution == -1) 2021 /* don't change the current setting */ 2022 ; 2023 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2024 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2025 if (mode.level == -1) 2026 /* don't change the current setting */ 2027 mode.level = sc->mode.level; 2028 else if ((mode.level < PSM_LEVEL_MIN) || 2029 (mode.level > PSM_LEVEL_MAX)) 2030 return (EINVAL); 2031 if (mode.accelfactor == -1) 2032 /* don't change the current setting */ 2033 mode.accelfactor = sc->mode.accelfactor; 2034 else if (mode.accelfactor < 0) 2035 return (EINVAL); 2036 2037 /* don't allow anybody to poll the keyboard controller */ 2038 error = block_mouse_data(sc, &command_byte); 2039 if (error) 2040 return (error); 2041 2042 /* set mouse parameters */ 2043 if (mode.rate > 0) 2044 mode.rate = set_mouse_sampling_rate(sc->kbdc, 2045 mode.rate); 2046 if (mode.resolution >= 0) 2047 mode.resolution = 2048 set_mouse_resolution(sc->kbdc, mode.resolution); 2049 set_mouse_scaling(sc->kbdc, 1); 2050 get_mouse_status(sc->kbdc, stat, 0, 3); 2051 2052 s = spltty(); 2053 sc->mode.rate = mode.rate; 2054 sc->mode.resolution = mode.resolution; 2055 sc->mode.accelfactor = mode.accelfactor; 2056 sc->mode.level = mode.level; 2057 splx(s); 2058 2059 unblock_mouse_data(sc, command_byte); 2060 break; 2061 2062 case MOUSE_GETLEVEL: 2063 *(int *)addr = sc->mode.level; 2064 break; 2065 2066 case MOUSE_SETLEVEL: 2067 if ((*(int *)addr < PSM_LEVEL_MIN) || 2068 (*(int *)addr > PSM_LEVEL_MAX)) 2069 return (EINVAL); 2070 sc->mode.level = *(int *)addr; 2071 break; 2072 2073 case MOUSE_GETSTATUS: 2074 s = spltty(); 2075 status = sc->status; 2076 sc->status.flags = 0; 2077 sc->status.obutton = sc->status.button; 2078 sc->status.button = 0; 2079 sc->status.dx = 0; 2080 sc->status.dy = 0; 2081 sc->status.dz = 0; 2082 splx(s); 2083 *(mousestatus_t *)addr = status; 2084 break; 2085 2086 #if (defined(MOUSE_GETVARS)) 2087 case MOUSE_GETVARS: 2088 var = (mousevar_t *)addr; 2089 bzero(var, sizeof(*var)); 2090 s = spltty(); 2091 var->var[0] = MOUSE_VARS_PS2_SIG; 2092 var->var[1] = sc->config; 2093 var->var[2] = sc->flags; 2094 splx(s); 2095 break; 2096 2097 case MOUSE_SETVARS: 2098 return (ENODEV); 2099 #endif /* MOUSE_GETVARS */ 2100 2101 case MOUSE_READSTATE: 2102 case MOUSE_READDATA: 2103 data = (mousedata_t *)addr; 2104 if (data->len > sizeof(data->buf)/sizeof(data->buf[0])) 2105 return (EINVAL); 2106 2107 error = block_mouse_data(sc, &command_byte); 2108 if (error) 2109 return (error); 2110 if ((data->len = get_mouse_status(sc->kbdc, data->buf, 2111 (cmd == MOUSE_READDATA) ? 1 : 0, data->len)) <= 0) 2112 error = EIO; 2113 unblock_mouse_data(sc, command_byte); 2114 break; 2115 2116 #if (defined(MOUSE_SETRESOLUTION)) 2117 case MOUSE_SETRESOLUTION: 2118 mode.resolution = *(int *)addr; 2119 if (mode.resolution >= UCHAR_MAX) 2120 return (EINVAL); 2121 else if (mode.resolution >= 200) 2122 mode.resolution = MOUSE_RES_HIGH; 2123 else if (mode.resolution >= 100) 2124 mode.resolution = MOUSE_RES_MEDIUMHIGH; 2125 else if (mode.resolution >= 50) 2126 mode.resolution = MOUSE_RES_MEDIUMLOW; 2127 else if (mode.resolution > 0) 2128 mode.resolution = MOUSE_RES_LOW; 2129 if (mode.resolution == MOUSE_RES_DEFAULT) 2130 mode.resolution = sc->dflt_mode.resolution; 2131 else if (mode.resolution == -1) 2132 mode.resolution = sc->mode.resolution; 2133 else if (mode.resolution < 0) /* MOUSE_RES_LOW/MEDIUM/HIGH */ 2134 mode.resolution = MOUSE_RES_LOW - mode.resolution; 2135 2136 error = block_mouse_data(sc, &command_byte); 2137 if (error) 2138 return (error); 2139 sc->mode.resolution = 2140 set_mouse_resolution(sc->kbdc, mode.resolution); 2141 if (sc->mode.resolution != mode.resolution) 2142 error = EIO; 2143 unblock_mouse_data(sc, command_byte); 2144 break; 2145 #endif /* MOUSE_SETRESOLUTION */ 2146 2147 #if (defined(MOUSE_SETRATE)) 2148 case MOUSE_SETRATE: 2149 mode.rate = *(int *)addr; 2150 if (mode.rate > UCHAR_MAX) 2151 return (EINVAL); 2152 if (mode.rate == 0) 2153 mode.rate = sc->dflt_mode.rate; 2154 else if (mode.rate < 0) 2155 mode.rate = sc->mode.rate; 2156 2157 error = block_mouse_data(sc, &command_byte); 2158 if (error) 2159 return (error); 2160 sc->mode.rate = set_mouse_sampling_rate(sc->kbdc, mode.rate); 2161 if (sc->mode.rate != mode.rate) 2162 error = EIO; 2163 unblock_mouse_data(sc, command_byte); 2164 break; 2165 #endif /* MOUSE_SETRATE */ 2166 2167 #if (defined(MOUSE_SETSCALING)) 2168 case MOUSE_SETSCALING: 2169 if ((*(int *)addr <= 0) || (*(int *)addr > 2)) 2170 return (EINVAL); 2171 2172 error = block_mouse_data(sc, &command_byte); 2173 if (error) 2174 return (error); 2175 if (!set_mouse_scaling(sc->kbdc, *(int *)addr)) 2176 error = EIO; 2177 unblock_mouse_data(sc, command_byte); 2178 break; 2179 #endif /* MOUSE_SETSCALING */ 2180 2181 #if (defined(MOUSE_GETHWID)) 2182 case MOUSE_GETHWID: 2183 error = block_mouse_data(sc, &command_byte); 2184 if (error) 2185 return (error); 2186 sc->hw.hwid &= ~0x00ff; 2187 sc->hw.hwid |= get_aux_id(sc->kbdc); 2188 *(int *)addr = sc->hw.hwid & 0x00ff; 2189 unblock_mouse_data(sc, command_byte); 2190 break; 2191 #endif /* MOUSE_GETHWID */ 2192 2193 default: 2194 return (ENOTTY); 2195 } 2196 2197 return (error); 2198 } 2199 2200 static void 2201 psmtimeout(void *arg) 2202 { 2203 struct psm_softc *sc; 2204 int s; 2205 2206 sc = (struct psm_softc *)arg; 2207 s = spltty(); 2208 if (sc->watchdog && kbdc_lock(sc->kbdc, TRUE)) { 2209 VLOG(4, (LOG_DEBUG, "psm%d: lost interrupt?\n", sc->unit)); 2210 psmintr(sc); 2211 kbdc_lock(sc->kbdc, FALSE); 2212 } 2213 sc->watchdog = TRUE; 2214 splx(s); 2215 sc->callout = timeout(psmtimeout, (void *)(uintptr_t)sc, hz); 2216 } 2217 2218 /* Add all sysctls under the debug.psm and hw.psm nodes */ 2219 SYSCTL_NODE(_debug, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2220 SYSCTL_NODE(_hw, OID_AUTO, psm, CTLFLAG_RD, 0, "ps/2 mouse"); 2221 2222 SYSCTL_INT(_debug_psm, OID_AUTO, loglevel, CTLFLAG_RW, &verbose, 0, 2223 "Verbosity level"); 2224 2225 static int psmhz = 20; 2226 SYSCTL_INT(_debug_psm, OID_AUTO, hz, CTLFLAG_RW, &psmhz, 0, 2227 "Frequency of the softcallout (in hz)"); 2228 static int psmerrsecs = 2; 2229 SYSCTL_INT(_debug_psm, OID_AUTO, errsecs, CTLFLAG_RW, &psmerrsecs, 0, 2230 "Number of seconds during which packets will dropped after a sync error"); 2231 static int psmerrusecs = 0; 2232 SYSCTL_INT(_debug_psm, OID_AUTO, errusecs, CTLFLAG_RW, &psmerrusecs, 0, 2233 "Microseconds to add to psmerrsecs"); 2234 static int psmsecs = 0; 2235 SYSCTL_INT(_debug_psm, OID_AUTO, secs, CTLFLAG_RW, &psmsecs, 0, 2236 "Max number of seconds between soft interrupts"); 2237 static int psmusecs = 500000; 2238 SYSCTL_INT(_debug_psm, OID_AUTO, usecs, CTLFLAG_RW, &psmusecs, 0, 2239 "Microseconds to add to psmsecs"); 2240 static int pkterrthresh = 2; 2241 SYSCTL_INT(_debug_psm, OID_AUTO, pkterrthresh, CTLFLAG_RW, &pkterrthresh, 0, 2242 "Number of error packets allowed before reinitializing the mouse"); 2243 2244 static int tap_threshold = PSM_TAP_THRESHOLD; 2245 SYSCTL_INT(_hw_psm, OID_AUTO, tap_threshold, CTLFLAG_RW, &tap_threshold, 0, 2246 "Button tap threshold"); 2247 static int tap_timeout = PSM_TAP_TIMEOUT; 2248 SYSCTL_INT(_hw_psm, OID_AUTO, tap_timeout, CTLFLAG_RW, &tap_timeout, 0, 2249 "Tap timeout for touchpads"); 2250 2251 static void 2252 psmintr(void *arg) 2253 { 2254 struct psm_softc *sc = arg; 2255 struct timeval now; 2256 int c; 2257 packetbuf_t *pb; 2258 2259 2260 /* read until there is nothing to read */ 2261 while((c = read_aux_data_no_wait(sc->kbdc)) != -1) { 2262 pb = &sc->pqueue[sc->pqueue_end]; 2263 2264 /* discard the byte if the device is not open */ 2265 if ((sc->state & PSM_OPEN) == 0) 2266 continue; 2267 2268 getmicrouptime(&now); 2269 if ((pb->inputbytes > 0) && 2270 timevalcmp(&now, &sc->inputtimeout, >)) { 2271 VLOG(3, (LOG_DEBUG, "psmintr: delay too long; " 2272 "resetting byte count\n")); 2273 pb->inputbytes = 0; 2274 sc->syncerrors = 0; 2275 sc->pkterrors = 0; 2276 } 2277 sc->inputtimeout.tv_sec = PSM_INPUT_TIMEOUT / 1000000; 2278 sc->inputtimeout.tv_usec = PSM_INPUT_TIMEOUT % 1000000; 2279 timevaladd(&sc->inputtimeout, &now); 2280 2281 pb->ipacket[pb->inputbytes++] = c; 2282 2283 if (sc->mode.level == PSM_LEVEL_NATIVE) { 2284 VLOG(4, (LOG_DEBUG, "psmintr: %02x\n", pb->ipacket[0])); 2285 sc->syncerrors = 0; 2286 sc->pkterrors = 0; 2287 goto next; 2288 } else { 2289 if (pb->inputbytes < sc->mode.packetsize) 2290 continue; 2291 2292 VLOG(4, (LOG_DEBUG, 2293 "psmintr: %02x %02x %02x %02x %02x %02x\n", 2294 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2], 2295 pb->ipacket[3], pb->ipacket[4], pb->ipacket[5])); 2296 } 2297 2298 c = pb->ipacket[0]; 2299 2300 if ((sc->flags & PSM_NEED_SYNCBITS) != 0) { 2301 sc->mode.syncmask[1] = (c & sc->mode.syncmask[0]); 2302 sc->flags &= ~PSM_NEED_SYNCBITS; 2303 VLOG(2, (LOG_DEBUG, 2304 "psmintr: Sync bytes now %04x,%04x\n", 2305 sc->mode.syncmask[0], sc->mode.syncmask[0])); 2306 } else if ((c & sc->mode.syncmask[0]) != sc->mode.syncmask[1]) { 2307 VLOG(3, (LOG_DEBUG, "psmintr: out of sync " 2308 "(%04x != %04x) %d cmds since last error.\n", 2309 c & sc->mode.syncmask[0], sc->mode.syncmask[1], 2310 sc->cmdcount - sc->lasterr)); 2311 sc->lasterr = sc->cmdcount; 2312 /* 2313 * The sync byte test is a weak measure of packet 2314 * validity. Conservatively discard any input yet 2315 * to be seen by userland when we detect a sync 2316 * error since there is a good chance some of 2317 * the queued packets have undetected errors. 2318 */ 2319 dropqueue(sc); 2320 if (sc->syncerrors == 0) 2321 sc->pkterrors++; 2322 ++sc->syncerrors; 2323 sc->lastinputerr = now; 2324 if (sc->syncerrors >= sc->mode.packetsize * 2 || 2325 sc->pkterrors >= pkterrthresh) { 2326 /* 2327 * If we've failed to find a single sync byte 2328 * in 2 packets worth of data, or we've seen 2329 * persistent packet errors during the 2330 * validation period, reinitialize the mouse 2331 * in hopes of returning it to the expected 2332 * mode. 2333 */ 2334 VLOG(3, (LOG_DEBUG, 2335 "psmintr: reset the mouse.\n")); 2336 reinitialize(sc, TRUE); 2337 } else if (sc->syncerrors == sc->mode.packetsize) { 2338 /* 2339 * Try a soft reset after searching for a sync 2340 * byte through a packet length of bytes. 2341 */ 2342 VLOG(3, (LOG_DEBUG, 2343 "psmintr: re-enable the mouse.\n")); 2344 pb->inputbytes = 0; 2345 disable_aux_dev(sc->kbdc); 2346 enable_aux_dev(sc->kbdc); 2347 } else { 2348 VLOG(3, (LOG_DEBUG, 2349 "psmintr: discard a byte (%d)\n", 2350 sc->syncerrors)); 2351 pb->inputbytes--; 2352 bcopy(&pb->ipacket[1], &pb->ipacket[0], 2353 pb->inputbytes); 2354 } 2355 continue; 2356 } 2357 2358 /* 2359 * We have what appears to be a valid packet. 2360 * Reset the error counters. 2361 */ 2362 sc->syncerrors = 0; 2363 2364 /* 2365 * Drop even good packets if they occur within a timeout 2366 * period of a sync error. This allows the detection of 2367 * a change in the mouse's packet mode without exposing 2368 * erratic mouse behavior to the user. Some KVMs forget 2369 * enhanced mouse modes during switch events. 2370 */ 2371 if (!timeelapsed(&sc->lastinputerr, psmerrsecs, psmerrusecs, 2372 &now)) { 2373 pb->inputbytes = 0; 2374 continue; 2375 } 2376 2377 /* 2378 * Now that we're out of the validation period, reset 2379 * the packet error count. 2380 */ 2381 sc->pkterrors = 0; 2382 2383 sc->cmdcount++; 2384 next: 2385 if (++sc->pqueue_end >= PSM_PACKETQUEUE) 2386 sc->pqueue_end = 0; 2387 /* 2388 * If we've filled the queue then call the softintr ourselves, 2389 * otherwise schedule the interrupt for later. 2390 */ 2391 if (!timeelapsed(&sc->lastsoftintr, psmsecs, psmusecs, &now) || 2392 (sc->pqueue_end == sc->pqueue_start)) { 2393 if ((sc->state & PSM_SOFTARMED) != 0) { 2394 sc->state &= ~PSM_SOFTARMED; 2395 untimeout(psmsoftintr, arg, sc->softcallout); 2396 } 2397 psmsoftintr(arg); 2398 } else if ((sc->state & PSM_SOFTARMED) == 0) { 2399 sc->state |= PSM_SOFTARMED; 2400 sc->softcallout = timeout(psmsoftintr, arg, 2401 psmhz < 1 ? 1 : (hz/psmhz)); 2402 } 2403 } 2404 } 2405 2406 static void 2407 proc_mmanplus(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2408 int *x, int *y, int *z) 2409 { 2410 2411 /* 2412 * PS2++ protocl packet 2413 * 2414 * b7 b6 b5 b4 b3 b2 b1 b0 2415 * byte 1: * 1 p3 p2 1 * * * 2416 * byte 2: c1 c2 p1 p0 d1 d0 1 0 2417 * 2418 * p3-p0: packet type 2419 * c1, c2: c1 & c2 == 1, if p2 == 0 2420 * c1 & c2 == 0, if p2 == 1 2421 * 2422 * packet type: 0 (device type) 2423 * See comments in enable_mmanplus() below. 2424 * 2425 * packet type: 1 (wheel data) 2426 * 2427 * b7 b6 b5 b4 b3 b2 b1 b0 2428 * byte 3: h * B5 B4 s d2 d1 d0 2429 * 2430 * h: 1, if horizontal roller data 2431 * 0, if vertical roller data 2432 * B4, B5: button 4 and 5 2433 * s: sign bit 2434 * d2-d0: roller data 2435 * 2436 * packet type: 2 (reserved) 2437 */ 2438 if (((pb->ipacket[0] & MOUSE_PS2PLUS_SYNCMASK) == MOUSE_PS2PLUS_SYNC) && 2439 (abs(*x) > 191) && MOUSE_PS2PLUS_CHECKBITS(pb->ipacket)) { 2440 /* 2441 * the extended data packet encodes button 2442 * and wheel events 2443 */ 2444 switch (MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket)) { 2445 case 1: 2446 /* wheel data packet */ 2447 *x = *y = 0; 2448 if (pb->ipacket[2] & 0x80) { 2449 /* XXX horizontal roller count - ignore it */ 2450 ; 2451 } else { 2452 /* vertical roller count */ 2453 *z = (pb->ipacket[2] & MOUSE_PS2PLUS_ZNEG) ? 2454 (pb->ipacket[2] & 0x0f) - 16 : 2455 (pb->ipacket[2] & 0x0f); 2456 } 2457 ms->button |= (pb->ipacket[2] & 2458 MOUSE_PS2PLUS_BUTTON4DOWN) ? 2459 MOUSE_BUTTON4DOWN : 0; 2460 ms->button |= (pb->ipacket[2] & 2461 MOUSE_PS2PLUS_BUTTON5DOWN) ? 2462 MOUSE_BUTTON5DOWN : 0; 2463 break; 2464 case 2: 2465 /* 2466 * this packet type is reserved by 2467 * Logitech... 2468 */ 2469 /* 2470 * IBM ScrollPoint Mouse uses this 2471 * packet type to encode both vertical 2472 * and horizontal scroll movement. 2473 */ 2474 *x = *y = 0; 2475 /* horizontal count */ 2476 if (pb->ipacket[2] & 0x0f) 2477 *z = (pb->ipacket[2] & MOUSE_SPOINT_WNEG) ? 2478 -2 : 2; 2479 /* vertical count */ 2480 if (pb->ipacket[2] & 0xf0) 2481 *z = (pb->ipacket[2] & MOUSE_SPOINT_ZNEG) ? 2482 -1 : 1; 2483 break; 2484 case 0: 2485 /* device type packet - shouldn't happen */ 2486 /* FALLTHROUGH */ 2487 default: 2488 *x = *y = 0; 2489 ms->button = ms->obutton; 2490 VLOG(1, (LOG_DEBUG, "psmintr: unknown PS2++ packet " 2491 "type %d: 0x%02x 0x%02x 0x%02x\n", 2492 MOUSE_PS2PLUS_PACKET_TYPE(pb->ipacket), 2493 pb->ipacket[0], pb->ipacket[1], pb->ipacket[2])); 2494 break; 2495 } 2496 } else { 2497 /* preserve button states */ 2498 ms->button |= ms->obutton & MOUSE_EXTBUTTONS; 2499 } 2500 } 2501 2502 static int 2503 proc_synaptics(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 2504 int *x, int *y, int *z) 2505 { 2506 static int touchpad_buttons; 2507 static int guest_buttons; 2508 int w, x0, y0; 2509 2510 /* TouchPad PS/2 absolute mode message format 2511 * 2512 * Bits: 7 6 5 4 3 2 1 0 (LSB) 2513 * ------------------------------------------------ 2514 * ipacket[0]: 1 0 W3 W2 0 W1 R L 2515 * ipacket[1]: Yb Ya Y9 Y8 Xb Xa X9 X8 2516 * ipacket[2]: Z7 Z6 Z5 Z4 Z3 Z2 Z1 Z0 2517 * ipacket[3]: 1 1 Yc Xc 0 W0 D U 2518 * ipacket[4]: X7 X6 X5 X4 X3 X2 X1 X0 2519 * ipacket[5]: Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0 2520 * 2521 * Legend: 2522 * L: left physical mouse button 2523 * R: right physical mouse button 2524 * D: down button 2525 * U: up button 2526 * W: "wrist" value 2527 * X: x position 2528 * Y: y position 2529 * Z: pressure 2530 * 2531 * Absolute reportable limits: 0 - 6143. 2532 * Typical bezel limits: 1472 - 5472. 2533 * Typical edge marings: 1632 - 5312. 2534 * 2535 * w = 3 Passthrough Packet 2536 * 2537 * Byte 2,5,6 == Byte 1,2,3 of "Guest" 2538 */ 2539 2540 if (!synaptics_support) 2541 return (0); 2542 2543 /* Sanity check for out of sync packets. */ 2544 if ((pb->ipacket[0] & 0xc8) != 0x80 || 2545 (pb->ipacket[3] & 0xc8) != 0xc0) 2546 return (-1); 2547 2548 *x = *y = 0; 2549 2550 /* 2551 * Pressure value. 2552 * Interpretation: 2553 * z = 0 No finger contact 2554 * z = 10 Finger hovering near the pad 2555 * z = 30 Very light finger contact 2556 * z = 80 Normal finger contact 2557 * z = 110 Very heavy finger contact 2558 * z = 200 Finger lying flat on pad surface 2559 * z = 255 Maximum reportable Z 2560 */ 2561 *z = pb->ipacket[2]; 2562 2563 /* 2564 * Finger width value 2565 * Interpretation: 2566 * w = 0 Two finger on the pad (capMultiFinger needed) 2567 * w = 1 Three or more fingers (capMultiFinger needed) 2568 * w = 2 Pen (instead of finger) (capPen needed) 2569 * w = 3 Reserved (passthrough?) 2570 * w = 4-7 Finger of normal width (capPalmDetect needed) 2571 * w = 8-14 Very wide finger or palm (capPalmDetect needed) 2572 * w = 15 Maximum reportable width (capPalmDetect needed) 2573 */ 2574 /* XXX Is checking capExtended enough? */ 2575 if (sc->synhw.capExtended) 2576 w = ((pb->ipacket[0] & 0x30) >> 2) | 2577 ((pb->ipacket[0] & 0x04) >> 1) | 2578 ((pb->ipacket[3] & 0x04) >> 2); 2579 else { 2580 /* Assume a finger of regular width. */ 2581 w = 4; 2582 } 2583 2584 /* Handle packets from the guest device */ 2585 /* XXX Documentation? */ 2586 if (w == 3 && sc->synhw.capPassthrough) { 2587 *x = ((pb->ipacket[1] & 0x10) ? 2588 pb->ipacket[4] - 256 : pb->ipacket[4]); 2589 *y = ((pb->ipacket[1] & 0x20) ? 2590 pb->ipacket[5] - 256 : pb->ipacket[5]); 2591 *z = 0; 2592 2593 guest_buttons = 0; 2594 if (pb->ipacket[1] & 0x01) 2595 guest_buttons |= MOUSE_BUTTON1DOWN; 2596 if (pb->ipacket[1] & 0x04) 2597 guest_buttons |= MOUSE_BUTTON2DOWN; 2598 if (pb->ipacket[1] & 0x02) 2599 guest_buttons |= MOUSE_BUTTON3DOWN; 2600 2601 ms->button = touchpad_buttons | guest_buttons; 2602 goto SYNAPTICS_END; 2603 } 2604 2605 /* Button presses */ 2606 touchpad_buttons = 0; 2607 if (pb->ipacket[0] & 0x01) 2608 touchpad_buttons |= MOUSE_BUTTON1DOWN; 2609 if (pb->ipacket[0] & 0x02) 2610 touchpad_buttons |= MOUSE_BUTTON3DOWN; 2611 2612 if (sc->synhw.capExtended && sc->synhw.capFourButtons) { 2613 if ((pb->ipacket[3] & 0x01) && (pb->ipacket[0] & 0x01) == 0) 2614 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2615 if ((pb->ipacket[3] & 0x02) && (pb->ipacket[0] & 0x02) == 0) 2616 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2617 } 2618 2619 /* 2620 * In newer pads - bit 0x02 in the third byte of 2621 * the packet indicates that we have an extended 2622 * button press. 2623 */ 2624 /* XXX Documentation? */ 2625 if (pb->ipacket[3] & 0x02) { 2626 /* 2627 * if directional_scrolls is not 1, we treat any of 2628 * the scrolling directions as middle-click. 2629 */ 2630 if (sc->syninfo.directional_scrolls) { 2631 if (pb->ipacket[4] & 0x01) 2632 touchpad_buttons |= MOUSE_BUTTON4DOWN; 2633 if (pb->ipacket[5] & 0x01) 2634 touchpad_buttons |= MOUSE_BUTTON5DOWN; 2635 if (pb->ipacket[4] & 0x02) 2636 touchpad_buttons |= MOUSE_BUTTON6DOWN; 2637 if (pb->ipacket[5] & 0x02) 2638 touchpad_buttons |= MOUSE_BUTTON7DOWN; 2639 } else { 2640 if ((pb->ipacket[4] & 0x0F) || 2641 (pb->ipacket[5] & 0x0F)) 2642 touchpad_buttons |= MOUSE_BUTTON2DOWN; 2643 } 2644 } 2645 2646 ms->button = touchpad_buttons | guest_buttons; 2647 2648 /* Check pressure to detect a real wanted action on the 2649 * touchpad. */ 2650 if (*z >= sc->syninfo.min_pressure) { 2651 synapticsaction_t *synaction; 2652 int cursor, peer, window; 2653 int dx, dy, dxp, dyp; 2654 int max_width, max_pressure; 2655 int margin_top, margin_right, margin_bottom, margin_left; 2656 int na_top, na_right, na_bottom, na_left; 2657 int window_min, window_max; 2658 int multiplicator; 2659 int weight_current, weight_previous, weight_len_squared; 2660 int div_min, div_max, div_len; 2661 int vscroll_hor_area, vscroll_ver_area; 2662 2663 int len, weight_prev_x, weight_prev_y; 2664 int div_max_x, div_max_y, div_x, div_y; 2665 2666 /* Read sysctl. */ 2667 /* XXX Verify values? */ 2668 max_width = sc->syninfo.max_width; 2669 max_pressure = sc->syninfo.max_pressure; 2670 margin_top = sc->syninfo.margin_top; 2671 margin_right = sc->syninfo.margin_right; 2672 margin_bottom = sc->syninfo.margin_bottom; 2673 margin_left = sc->syninfo.margin_left; 2674 na_top = sc->syninfo.na_top; 2675 na_right = sc->syninfo.na_right; 2676 na_bottom = sc->syninfo.na_bottom; 2677 na_left = sc->syninfo.na_left; 2678 window_min = sc->syninfo.window_min; 2679 window_max = sc->syninfo.window_max; 2680 multiplicator = sc->syninfo.multiplicator; 2681 weight_current = sc->syninfo.weight_current; 2682 weight_previous = sc->syninfo.weight_previous; 2683 weight_len_squared = sc->syninfo.weight_len_squared; 2684 div_min = sc->syninfo.div_min; 2685 div_max = sc->syninfo.div_max; 2686 div_len = sc->syninfo.div_len; 2687 vscroll_hor_area = sc->syninfo.vscroll_hor_area; 2688 vscroll_ver_area = sc->syninfo.vscroll_ver_area; 2689 2690 /* Palm detection. */ 2691 if (!( 2692 (sc->synhw.capMultiFinger && (w == 0 || w == 1)) || 2693 (sc->synhw.capPalmDetect && w >= 4 && w <= max_width) || 2694 (!sc->synhw.capPalmDetect && *z <= max_pressure) || 2695 (sc->synhw.capPen && w == 2))) { 2696 /* 2697 * We consider the packet irrelevant for the current 2698 * action when: 2699 * - the width isn't comprised in: 2700 * [4; max_width] 2701 * - the pressure isn't comprised in: 2702 * [min_pressure; max_pressure] 2703 * - pen aren't supported but w is 2 2704 * 2705 * Note that this doesn't terminate the current action. 2706 */ 2707 VLOG(2, (LOG_DEBUG, 2708 "synaptics: palm detected! (%d)\n", w)); 2709 goto SYNAPTICS_END; 2710 } 2711 2712 /* Read current absolute position. */ 2713 x0 = ((pb->ipacket[3] & 0x10) << 8) | 2714 ((pb->ipacket[1] & 0x0f) << 8) | 2715 pb->ipacket[4]; 2716 y0 = ((pb->ipacket[3] & 0x20) << 7) | 2717 ((pb->ipacket[1] & 0xf0) << 4) | 2718 pb->ipacket[5]; 2719 2720 synaction = &(sc->synaction); 2721 2722 /* 2723 * If the action is just beginning, init the structure and 2724 * compute tap timeout. 2725 */ 2726 if (!(sc->flags & PSM_FLAGS_FINGERDOWN)) { 2727 VLOG(3, (LOG_DEBUG, "synaptics: ----\n")); 2728 2729 /* Store the first point of this action. */ 2730 synaction->start_x = x0; 2731 synaction->start_y = y0; 2732 dx = dy = 0; 2733 2734 /* Initialize queue. */ 2735 synaction->queue_cursor = SYNAPTICS_PACKETQUEUE; 2736 synaction->queue_len = 0; 2737 synaction->window_min = window_min; 2738 2739 /* Reset average. */ 2740 synaction->avg_dx = 0; 2741 synaction->avg_dy = 0; 2742 2743 /* Reset squelch. */ 2744 synaction->squelch_x = 0; 2745 synaction->squelch_y = 0; 2746 2747 /* Reset pressure peak. */ 2748 sc->zmax = 0; 2749 2750 /* Reset fingers count. */ 2751 synaction->fingers_nb = 0; 2752 2753 /* Reset virtual scrolling state. */ 2754 synaction->in_vscroll = 0; 2755 2756 /* Compute tap timeout. */ 2757 sc->taptimeout.tv_sec = tap_timeout / 1000000; 2758 sc->taptimeout.tv_usec = tap_timeout % 1000000; 2759 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 2760 2761 sc->flags |= PSM_FLAGS_FINGERDOWN; 2762 } else { 2763 /* Calculate the current delta. */ 2764 cursor = synaction->queue_cursor; 2765 dx = x0 - synaction->queue[cursor].x; 2766 dy = y0 - synaction->queue[cursor].y; 2767 } 2768 2769 /* If in tap-hold, add the recorded button. */ 2770 if (synaction->in_taphold) 2771 ms->button |= synaction->tap_button; 2772 2773 /* 2774 * From now on, we can use the SYNAPTICS_END label to skip 2775 * the current packet. 2776 */ 2777 2778 /* 2779 * Limit the coordinates to the specified margins because 2780 * this area isn't very reliable. 2781 */ 2782 if (x0 <= margin_left) 2783 x0 = margin_left; 2784 else if (x0 >= 6143 - margin_right) 2785 x0 = 6143 - margin_right; 2786 if (y0 <= margin_bottom) 2787 y0 = margin_bottom; 2788 else if (y0 >= 6143 - margin_top) 2789 y0 = 6143 - margin_top; 2790 2791 VLOG(3, (LOG_DEBUG, "synaptics: ipacket: [%d, %d], %d, %d\n", 2792 x0, y0, *z, w)); 2793 2794 /* Queue this new packet. */ 2795 cursor = SYNAPTICS_QUEUE_CURSOR(synaction->queue_cursor - 1); 2796 synaction->queue[cursor].x = x0; 2797 synaction->queue[cursor].y = y0; 2798 synaction->queue_cursor = cursor; 2799 if (synaction->queue_len < SYNAPTICS_PACKETQUEUE) 2800 synaction->queue_len++; 2801 VLOG(5, (LOG_DEBUG, 2802 "synaptics: cursor[%d]: x=%d, y=%d, dx=%d, dy=%d\n", 2803 cursor, x0, y0, dx, dy)); 2804 2805 /* 2806 * For tap, we keep the maximum number of fingers and the 2807 * pressure peak. Also with multiple fingers, we increase 2808 * the minimum window. 2809 */ 2810 switch (w) { 2811 case 1: /* Three or more fingers. */ 2812 synaction->fingers_nb = imax(3, synaction->fingers_nb); 2813 synaction->window_min = window_max; 2814 break; 2815 case 0: /* Two fingers. */ 2816 synaction->fingers_nb = imax(2, synaction->fingers_nb); 2817 synaction->window_min = window_max; 2818 break; 2819 default: /* One finger or undetectable. */ 2820 synaction->fingers_nb = imax(1, synaction->fingers_nb); 2821 } 2822 sc->zmax = imax(*z, sc->zmax); 2823 2824 /* Do we have enough packets to consider this a movement? */ 2825 if (synaction->queue_len < synaction->window_min) 2826 goto SYNAPTICS_END; 2827 2828 /* Is a scrolling action occuring? */ 2829 if (!synaction->in_taphold && !synaction->in_vscroll) { 2830 /* 2831 * A scrolling action must not conflict with a tap 2832 * action. Here are the conditions to consider a 2833 * scrolling action: 2834 * - the action in a configurable area 2835 * - one of the following: 2836 * . the distance between the last packet and the 2837 * first should be above a configurable minimum 2838 * . tap timed out 2839 */ 2840 dxp = abs(synaction->queue[synaction->queue_cursor].x - 2841 synaction->start_x); 2842 dyp = abs(synaction->queue[synaction->queue_cursor].y - 2843 synaction->start_y); 2844 2845 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, >) || 2846 dxp >= sc->syninfo.vscroll_min_delta || 2847 dyp >= sc->syninfo.vscroll_min_delta) { 2848 /* Check for horizontal scrolling. */ 2849 if ((vscroll_hor_area > 0 && 2850 synaction->start_y <= vscroll_hor_area) || 2851 (vscroll_hor_area < 0 && 2852 synaction->start_y >= 2853 6143 + vscroll_hor_area)) 2854 synaction->in_vscroll += 2; 2855 2856 /* Check for vertical scrolling. */ 2857 if ((vscroll_ver_area > 0 && 2858 synaction->start_x <= vscroll_ver_area) || 2859 (vscroll_ver_area < 0 && 2860 synaction->start_x >= 2861 6143 + vscroll_ver_area)) 2862 synaction->in_vscroll += 1; 2863 2864 /* Avoid conflicts if area overlaps. */ 2865 if (synaction->in_vscroll == 3) 2866 synaction->in_vscroll = 2867 (dxp > dyp) ? 2 : 1; 2868 } 2869 VLOG(5, (LOG_DEBUG, 2870 "synaptics: virtual scrolling: %s " 2871 "(direction=%d, dxp=%d, dyp=%d)\n", 2872 synaction->in_vscroll ? "YES" : "NO", 2873 synaction->in_vscroll, dxp, dyp)); 2874 } 2875 2876 weight_prev_x = weight_prev_y = weight_previous; 2877 div_max_x = div_max_y = div_max; 2878 2879 if (synaction->in_vscroll) { 2880 /* Dividers are different with virtual scrolling. */ 2881 div_min = sc->syninfo.vscroll_div_min; 2882 div_max_x = div_max_y = sc->syninfo.vscroll_div_max; 2883 } else { 2884 /* 2885 * There's a lot of noise in coordinates when 2886 * the finger is on the touchpad's borders. When 2887 * using this area, we apply a special weight and 2888 * div. 2889 */ 2890 if (x0 <= na_left || x0 >= 6143 - na_right) { 2891 weight_prev_x = sc->syninfo.weight_previous_na; 2892 div_max_x = sc->syninfo.div_max_na; 2893 } 2894 2895 if (y0 <= na_bottom || y0 >= 6143 - na_top) { 2896 weight_prev_y = sc->syninfo.weight_previous_na; 2897 div_max_y = sc->syninfo.div_max_na; 2898 } 2899 } 2900 2901 /* 2902 * Calculate weights for the average operands and 2903 * the divisor. Both depend on the distance between 2904 * the current packet and a previous one (based on the 2905 * window width). 2906 */ 2907 window = imin(synaction->queue_len, window_max); 2908 peer = SYNAPTICS_QUEUE_CURSOR(cursor + window - 1); 2909 dxp = abs(x0 - synaction->queue[peer].x) + 1; 2910 dyp = abs(y0 - synaction->queue[peer].y) + 1; 2911 len = (dxp * dxp) + (dyp * dyp); 2912 weight_prev_x = imin(weight_prev_x, 2913 weight_len_squared * weight_prev_x / len); 2914 weight_prev_y = imin(weight_prev_y, 2915 weight_len_squared * weight_prev_y / len); 2916 2917 len = (dxp + dyp) / 2; 2918 div_x = div_len * div_max_x / len; 2919 div_x = imin(div_max_x, div_x); 2920 div_x = imax(div_min, div_x); 2921 div_y = div_len * div_max_y / len; 2922 div_y = imin(div_max_y, div_y); 2923 div_y = imax(div_min, div_y); 2924 2925 VLOG(3, (LOG_DEBUG, 2926 "synaptics: peer=%d, len=%d, weight=%d/%d, div=%d/%d\n", 2927 peer, len, weight_prev_x, weight_prev_y, div_x, div_y)); 2928 2929 /* Compute averages. */ 2930 synaction->avg_dx = 2931 (weight_current * dx * multiplicator + 2932 weight_prev_x * synaction->avg_dx) / 2933 (weight_current + weight_prev_x); 2934 2935 synaction->avg_dy = 2936 (weight_current * dy * multiplicator + 2937 weight_prev_y * synaction->avg_dy) / 2938 (weight_current + weight_prev_y); 2939 2940 VLOG(5, (LOG_DEBUG, 2941 "synaptics: avg_dx~=%d, avg_dy~=%d\n", 2942 synaction->avg_dx / multiplicator, 2943 synaction->avg_dy / multiplicator)); 2944 2945 /* Use these averages to calculate x & y. */ 2946 synaction->squelch_x += synaction->avg_dx; 2947 *x = synaction->squelch_x / (div_x * multiplicator); 2948 synaction->squelch_x = synaction->squelch_x % 2949 (div_x * multiplicator); 2950 2951 synaction->squelch_y += synaction->avg_dy; 2952 *y = synaction->squelch_y / (div_y * multiplicator); 2953 synaction->squelch_y = synaction->squelch_y % 2954 (div_y * multiplicator); 2955 2956 if (synaction->in_vscroll) { 2957 switch(synaction->in_vscroll) { 2958 case 1: /* Vertical scrolling. */ 2959 if (*y != 0) 2960 ms->button |= (*y > 0) ? 2961 MOUSE_BUTTON4DOWN : 2962 MOUSE_BUTTON5DOWN; 2963 break; 2964 case 2: /* Horizontal scrolling. */ 2965 if (*x != 0) 2966 ms->button |= (*x > 0) ? 2967 MOUSE_BUTTON7DOWN : 2968 MOUSE_BUTTON6DOWN; 2969 break; 2970 } 2971 2972 /* The pointer is not moved. */ 2973 *x = *y = 0; 2974 } else { 2975 VLOG(3, (LOG_DEBUG, "synaptics: [%d, %d] -> [%d, %d]\n", 2976 dx, dy, *x, *y)); 2977 } 2978 } else if (sc->flags & PSM_FLAGS_FINGERDOWN) { 2979 /* 2980 * An action is currently taking place but the pressure 2981 * dropped under the minimum, putting an end to it. 2982 */ 2983 synapticsaction_t *synaction; 2984 int taphold_timeout, dx, dy, tap_max_delta; 2985 2986 synaction = &(sc->synaction); 2987 dx = abs(synaction->queue[synaction->queue_cursor].x - 2988 synaction->start_x); 2989 dy = abs(synaction->queue[synaction->queue_cursor].y - 2990 synaction->start_y); 2991 2992 /* Max delta is disabled for multi-fingers tap. */ 2993 if (synaction->fingers_nb > 1) 2994 tap_max_delta = imax(dx, dy); 2995 else 2996 tap_max_delta = sc->syninfo.tap_max_delta; 2997 2998 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 2999 3000 /* Check for tap. */ 3001 VLOG(3, (LOG_DEBUG, 3002 "synaptics: zmax=%d, dx=%d, dy=%d, " 3003 "delta=%d, fingers=%d, queue=%d\n", 3004 sc->zmax, dx, dy, tap_max_delta, synaction->fingers_nb, 3005 synaction->queue_len)); 3006 if (!synaction->in_vscroll && sc->zmax >= tap_threshold && 3007 timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=) && 3008 dx <= tap_max_delta && dy <= tap_max_delta && 3009 synaction->queue_len >= sc->syninfo.tap_min_queue) { 3010 /* 3011 * We have a tap if: 3012 * - the maximum pressure went over tap_threshold 3013 * - the action ended before tap_timeout 3014 * 3015 * To handle tap-hold, we must delay any button push to 3016 * the next action. 3017 */ 3018 if (synaction->in_taphold) { 3019 /* 3020 * This is the second and last tap of a 3021 * double tap action, not a tap-hold. 3022 */ 3023 synaction->in_taphold = 0; 3024 3025 /* 3026 * For double-tap to work: 3027 * - no button press is emitted (to 3028 * simulate a button release) 3029 * - PSM_FLAGS_FINGERDOWN is set to 3030 * force the next packet to emit a 3031 * button press) 3032 */ 3033 VLOG(2, (LOG_DEBUG, 3034 "synaptics: button RELEASE: %d\n", 3035 synaction->tap_button)); 3036 sc->flags |= PSM_FLAGS_FINGERDOWN; 3037 } else { 3038 /* 3039 * This is the first tap: we set the 3040 * tap-hold state and notify the button 3041 * down event. 3042 */ 3043 synaction->in_taphold = 1; 3044 taphold_timeout = sc->syninfo.taphold_timeout; 3045 sc->taptimeout.tv_sec = taphold_timeout / 3046 1000000; 3047 sc->taptimeout.tv_usec = taphold_timeout % 3048 1000000; 3049 timevaladd(&sc->taptimeout, &sc->lastsoftintr); 3050 3051 switch (synaction->fingers_nb) { 3052 case 3: 3053 synaction->tap_button = 3054 MOUSE_BUTTON2DOWN; 3055 break; 3056 case 2: 3057 synaction->tap_button = 3058 MOUSE_BUTTON3DOWN; 3059 break; 3060 default: 3061 synaction->tap_button = 3062 MOUSE_BUTTON1DOWN; 3063 } 3064 VLOG(2, (LOG_DEBUG, 3065 "synaptics: button PRESS: %d\n", 3066 synaction->tap_button)); 3067 ms->button |= synaction->tap_button; 3068 } 3069 } else { 3070 /* 3071 * Not enough pressure or timeout: reset 3072 * tap-hold state. 3073 */ 3074 if (synaction->in_taphold) { 3075 VLOG(2, (LOG_DEBUG, 3076 "synaptics: button RELEASE: %d\n", 3077 synaction->tap_button)); 3078 synaction->in_taphold = 0; 3079 } else { 3080 VLOG(2, (LOG_DEBUG, 3081 "synaptics: not a tap-hold\n")); 3082 } 3083 } 3084 } else if (!(sc->flags & PSM_FLAGS_FINGERDOWN) && 3085 sc->synaction.in_taphold) { 3086 /* 3087 * For a tap-hold to work, the button must remain down at 3088 * least until timeout (where the in_taphold flags will be 3089 * cleared) or during the next action. 3090 */ 3091 if (timevalcmp(&sc->lastsoftintr, &sc->taptimeout, <=)) { 3092 ms->button |= sc->synaction.tap_button; 3093 } else { 3094 VLOG(2, (LOG_DEBUG, 3095 "synaptics: button RELEASE: %d\n", 3096 sc->synaction.tap_button)); 3097 sc->synaction.in_taphold = 0; 3098 } 3099 } 3100 3101 SYNAPTICS_END: 3102 /* 3103 * Use the extra buttons as a scrollwheel 3104 * 3105 * XXX X.Org uses the Z axis for vertical wheel only, 3106 * whereas moused(8) understands special values to differ 3107 * vertical and horizontal wheels. 3108 * 3109 * xf86-input-mouse needs therefore a small patch to 3110 * understand these special values. Without it, the 3111 * horizontal wheel acts as a vertical wheel in X.Org. 3112 * 3113 * That's why the horizontal wheel is disabled by 3114 * default for now. 3115 */ 3116 if (ms->button & MOUSE_BUTTON4DOWN) { 3117 *z = -1; 3118 ms->button &= ~MOUSE_BUTTON4DOWN; 3119 } else if (ms->button & MOUSE_BUTTON5DOWN) { 3120 *z = 1; 3121 ms->button &= ~MOUSE_BUTTON5DOWN; 3122 } else if (ms->button & MOUSE_BUTTON6DOWN) { 3123 *z = -2; 3124 ms->button &= ~MOUSE_BUTTON6DOWN; 3125 } else if (ms->button & MOUSE_BUTTON7DOWN) { 3126 *z = 2; 3127 ms->button &= ~MOUSE_BUTTON7DOWN; 3128 } else 3129 *z = 0; 3130 3131 return (0); 3132 } 3133 3134 static void 3135 proc_versapad(struct psm_softc *sc, packetbuf_t *pb, mousestatus_t *ms, 3136 int *x, int *y, int *z) 3137 { 3138 static int butmap_versapad[8] = { 3139 0, 3140 MOUSE_BUTTON3DOWN, 3141 0, 3142 MOUSE_BUTTON3DOWN, 3143 MOUSE_BUTTON1DOWN, 3144 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3145 MOUSE_BUTTON1DOWN, 3146 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN 3147 }; 3148 int c, x0, y0; 3149 3150 /* VersaPad PS/2 absolute mode message format 3151 * 3152 * [packet1] 7 6 5 4 3 2 1 0(LSB) 3153 * ipacket[0]: 1 1 0 A 1 L T R 3154 * ipacket[1]: H7 H6 H5 H4 H3 H2 H1 H0 3155 * ipacket[2]: V7 V6 V5 V4 V3 V2 V1 V0 3156 * ipacket[3]: 1 1 1 A 1 L T R 3157 * ipacket[4]:V11 V10 V9 V8 H11 H10 H9 H8 3158 * ipacket[5]: 0 P6 P5 P4 P3 P2 P1 P0 3159 * 3160 * [note] 3161 * R: right physical mouse button (1=on) 3162 * T: touch pad virtual button (1=tapping) 3163 * L: left physical mouse button (1=on) 3164 * A: position data is valid (1=valid) 3165 * H: horizontal data (12bit signed integer. H11 is sign bit.) 3166 * V: vertical data (12bit signed integer. V11 is sign bit.) 3167 * P: pressure data 3168 * 3169 * Tapping is mapped to MOUSE_BUTTON4. 3170 */ 3171 c = pb->ipacket[0]; 3172 *x = *y = 0; 3173 ms->button = butmap_versapad[c & MOUSE_PS2VERSA_BUTTONS]; 3174 ms->button |= (c & MOUSE_PS2VERSA_TAP) ? MOUSE_BUTTON4DOWN : 0; 3175 if (c & MOUSE_PS2VERSA_IN_USE) { 3176 x0 = pb->ipacket[1] | (((pb->ipacket[4]) & 0x0f) << 8); 3177 y0 = pb->ipacket[2] | (((pb->ipacket[4]) & 0xf0) << 4); 3178 if (x0 & 0x800) 3179 x0 -= 0x1000; 3180 if (y0 & 0x800) 3181 y0 -= 0x1000; 3182 if (sc->flags & PSM_FLAGS_FINGERDOWN) { 3183 *x = sc->xold - x0; 3184 *y = y0 - sc->yold; 3185 if (*x < 0) /* XXX */ 3186 ++*x; 3187 else if (*x) 3188 --*x; 3189 if (*y < 0) 3190 ++*y; 3191 else if (*y) 3192 --*y; 3193 } else 3194 sc->flags |= PSM_FLAGS_FINGERDOWN; 3195 sc->xold = x0; 3196 sc->yold = y0; 3197 } else 3198 sc->flags &= ~PSM_FLAGS_FINGERDOWN; 3199 } 3200 3201 static void 3202 psmsoftintr(void *arg) 3203 { 3204 /* 3205 * the table to turn PS/2 mouse button bits (MOUSE_PS2_BUTTON?DOWN) 3206 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 3207 */ 3208 static int butmap[8] = { 3209 0, 3210 MOUSE_BUTTON1DOWN, 3211 MOUSE_BUTTON3DOWN, 3212 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 3213 MOUSE_BUTTON2DOWN, 3214 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 3215 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 3216 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 3217 }; 3218 register struct psm_softc *sc = arg; 3219 mousestatus_t ms; 3220 packetbuf_t *pb; 3221 int x, y, z, c, l, s; 3222 3223 getmicrouptime(&sc->lastsoftintr); 3224 3225 s = spltty(); 3226 3227 do { 3228 pb = &sc->pqueue[sc->pqueue_start]; 3229 3230 if (sc->mode.level == PSM_LEVEL_NATIVE) 3231 goto next_native; 3232 3233 c = pb->ipacket[0]; 3234 /* 3235 * A kludge for Kensington device! 3236 * The MSB of the horizontal count appears to be stored in 3237 * a strange place. 3238 */ 3239 if (sc->hw.model == MOUSE_MODEL_THINK) 3240 pb->ipacket[1] |= (c & MOUSE_PS2_XOVERFLOW) ? 0x80 : 0; 3241 3242 /* ignore the overflow bits... */ 3243 x = (c & MOUSE_PS2_XNEG) ? 3244 pb->ipacket[1] - 256 : pb->ipacket[1]; 3245 y = (c & MOUSE_PS2_YNEG) ? 3246 pb->ipacket[2] - 256 : pb->ipacket[2]; 3247 z = 0; 3248 ms.obutton = sc->button; /* previous button state */ 3249 ms.button = butmap[c & MOUSE_PS2_BUTTONS]; 3250 /* `tapping' action */ 3251 if (sc->config & PSM_CONFIG_FORCETAP) 3252 ms.button |= ((c & MOUSE_PS2_TAP)) ? 3253 0 : MOUSE_BUTTON4DOWN; 3254 3255 switch (sc->hw.model) { 3256 3257 case MOUSE_MODEL_EXPLORER: 3258 /* 3259 * b7 b6 b5 b4 b3 b2 b1 b0 3260 * byte 1: oy ox sy sx 1 M R L 3261 * byte 2: x x x x x x x x 3262 * byte 3: y y y y y y y y 3263 * byte 4: * * S2 S1 s d2 d1 d0 3264 * 3265 * L, M, R, S1, S2: left, middle, right and side buttons 3266 * s: wheel data sign bit 3267 * d2-d0: wheel data 3268 */ 3269 z = (pb->ipacket[3] & MOUSE_EXPLORER_ZNEG) ? 3270 (pb->ipacket[3] & 0x0f) - 16 : 3271 (pb->ipacket[3] & 0x0f); 3272 ms.button |= 3273 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON4DOWN) ? 3274 MOUSE_BUTTON4DOWN : 0; 3275 ms.button |= 3276 (pb->ipacket[3] & MOUSE_EXPLORER_BUTTON5DOWN) ? 3277 MOUSE_BUTTON5DOWN : 0; 3278 break; 3279 3280 case MOUSE_MODEL_INTELLI: 3281 case MOUSE_MODEL_NET: 3282 /* wheel data is in the fourth byte */ 3283 z = (char)pb->ipacket[3]; 3284 /* 3285 * XXX some mice may send 7 when there is no Z movement? */ 3286 if ((z >= 7) || (z <= -7)) 3287 z = 0; 3288 /* some compatible mice have additional buttons */ 3289 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON4DOWN) ? 3290 MOUSE_BUTTON4DOWN : 0; 3291 ms.button |= (c & MOUSE_PS2INTELLI_BUTTON5DOWN) ? 3292 MOUSE_BUTTON5DOWN : 0; 3293 break; 3294 3295 case MOUSE_MODEL_MOUSEMANPLUS: 3296 proc_mmanplus(sc, pb, &ms, &x, &y, &z); 3297 break; 3298 3299 case MOUSE_MODEL_GLIDEPOINT: 3300 /* `tapping' action */ 3301 ms.button |= ((c & MOUSE_PS2_TAP)) ? 0 : 3302 MOUSE_BUTTON4DOWN; 3303 break; 3304 3305 case MOUSE_MODEL_NETSCROLL: 3306 /* 3307 * three addtional bytes encode buttons and 3308 * wheel events 3309 */ 3310 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON3DOWN) ? 3311 MOUSE_BUTTON4DOWN : 0; 3312 ms.button |= (pb->ipacket[3] & MOUSE_PS2_BUTTON1DOWN) ? 3313 MOUSE_BUTTON5DOWN : 0; 3314 z = (pb->ipacket[3] & MOUSE_PS2_XNEG) ? 3315 pb->ipacket[4] - 256 : pb->ipacket[4]; 3316 break; 3317 3318 case MOUSE_MODEL_THINK: 3319 /* the fourth button state in the first byte */ 3320 ms.button |= (c & MOUSE_PS2_TAP) ? 3321 MOUSE_BUTTON4DOWN : 0; 3322 break; 3323 3324 case MOUSE_MODEL_VERSAPAD: 3325 proc_versapad(sc, pb, &ms, &x, &y, &z); 3326 c = ((x < 0) ? MOUSE_PS2_XNEG : 0) | 3327 ((y < 0) ? MOUSE_PS2_YNEG : 0); 3328 break; 3329 3330 case MOUSE_MODEL_4D: 3331 /* 3332 * b7 b6 b5 b4 b3 b2 b1 b0 3333 * byte 1: s2 d2 s1 d1 1 M R L 3334 * byte 2: sx x x x x x x x 3335 * byte 3: sy y y y y y y y 3336 * 3337 * s1: wheel 1 direction 3338 * d1: wheel 1 data 3339 * s2: wheel 2 direction 3340 * d2: wheel 2 data 3341 */ 3342 x = (pb->ipacket[1] & 0x80) ? 3343 pb->ipacket[1] - 256 : pb->ipacket[1]; 3344 y = (pb->ipacket[2] & 0x80) ? 3345 pb->ipacket[2] - 256 : pb->ipacket[2]; 3346 switch (c & MOUSE_4D_WHEELBITS) { 3347 case 0x10: 3348 z = 1; 3349 break; 3350 case 0x30: 3351 z = -1; 3352 break; 3353 case 0x40: /* XXX 2nd wheel turning right */ 3354 z = 2; 3355 break; 3356 case 0xc0: /* XXX 2nd wheel turning left */ 3357 z = -2; 3358 break; 3359 } 3360 break; 3361 3362 case MOUSE_MODEL_4DPLUS: 3363 if ((x < 16 - 256) && (y < 16 - 256)) { 3364 /* 3365 * b7 b6 b5 b4 b3 b2 b1 b0 3366 * byte 1: 0 0 1 1 1 M R L 3367 * byte 2: 0 0 0 0 1 0 0 0 3368 * byte 3: 0 0 0 0 S s d1 d0 3369 * 3370 * L, M, R, S: left, middle, right, 3371 * and side buttons 3372 * s: wheel data sign bit 3373 * d1-d0: wheel data 3374 */ 3375 x = y = 0; 3376 if (pb->ipacket[2] & MOUSE_4DPLUS_BUTTON4DOWN) 3377 ms.button |= MOUSE_BUTTON4DOWN; 3378 z = (pb->ipacket[2] & MOUSE_4DPLUS_ZNEG) ? 3379 ((pb->ipacket[2] & 0x07) - 8) : 3380 (pb->ipacket[2] & 0x07) ; 3381 } else { 3382 /* preserve previous button states */ 3383 ms.button |= ms.obutton & MOUSE_EXTBUTTONS; 3384 } 3385 break; 3386 3387 case MOUSE_MODEL_SYNAPTICS: 3388 if (proc_synaptics(sc, pb, &ms, &x, &y, &z) != 0) 3389 goto next; 3390 break; 3391 3392 case MOUSE_MODEL_GENERIC: 3393 default: 3394 break; 3395 } 3396 3397 /* scale values */ 3398 if (sc->mode.accelfactor >= 1) { 3399 if (x != 0) { 3400 x = x * x / sc->mode.accelfactor; 3401 if (x == 0) 3402 x = 1; 3403 if (c & MOUSE_PS2_XNEG) 3404 x = -x; 3405 } 3406 if (y != 0) { 3407 y = y * y / sc->mode.accelfactor; 3408 if (y == 0) 3409 y = 1; 3410 if (c & MOUSE_PS2_YNEG) 3411 y = -y; 3412 } 3413 } 3414 3415 ms.dx = x; 3416 ms.dy = y; 3417 ms.dz = z; 3418 ms.flags = ((x || y || z) ? MOUSE_POSCHANGED : 0) | 3419 (ms.obutton ^ ms.button); 3420 3421 pb->inputbytes = tame_mouse(sc, pb, &ms, pb->ipacket); 3422 3423 sc->status.flags |= ms.flags; 3424 sc->status.dx += ms.dx; 3425 sc->status.dy += ms.dy; 3426 sc->status.dz += ms.dz; 3427 sc->status.button = ms.button; 3428 sc->button = ms.button; 3429 3430 next_native: 3431 sc->watchdog = FALSE; 3432 3433 /* queue data */ 3434 if (sc->queue.count + pb->inputbytes < sizeof(sc->queue.buf)) { 3435 l = imin(pb->inputbytes, 3436 sizeof(sc->queue.buf) - sc->queue.tail); 3437 bcopy(&pb->ipacket[0], &sc->queue.buf[sc->queue.tail], l); 3438 if (pb->inputbytes > l) 3439 bcopy(&pb->ipacket[l], &sc->queue.buf[0], 3440 pb->inputbytes - l); 3441 sc->queue.tail = (sc->queue.tail + pb->inputbytes) % 3442 sizeof(sc->queue.buf); 3443 sc->queue.count += pb->inputbytes; 3444 } 3445 pb->inputbytes = 0; 3446 3447 next: 3448 if (++sc->pqueue_start >= PSM_PACKETQUEUE) 3449 sc->pqueue_start = 0; 3450 } while (sc->pqueue_start != sc->pqueue_end); 3451 3452 if (sc->state & PSM_ASLP) { 3453 sc->state &= ~PSM_ASLP; 3454 wakeup(sc); 3455 } 3456 selwakeuppri(&sc->rsel, PZERO); 3457 sc->state &= ~PSM_SOFTARMED; 3458 splx(s); 3459 } 3460 3461 static int 3462 psmpoll(struct cdev *dev, int events, struct thread *td) 3463 { 3464 struct psm_softc *sc = PSM_SOFTC(PSM_UNIT(dev)); 3465 int s; 3466 int revents = 0; 3467 3468 /* Return true if a mouse event available */ 3469 s = spltty(); 3470 if (events & (POLLIN | POLLRDNORM)) { 3471 if (sc->queue.count > 0) 3472 revents |= events & (POLLIN | POLLRDNORM); 3473 else 3474 selrecord(td, &sc->rsel); 3475 } 3476 splx(s); 3477 3478 return (revents); 3479 } 3480 3481 /* vendor/model specific routines */ 3482 3483 static int mouse_id_proc1(KBDC kbdc, int res, int scale, int *status) 3484 { 3485 if (set_mouse_resolution(kbdc, res) != res) 3486 return (FALSE); 3487 if (set_mouse_scaling(kbdc, scale) && 3488 set_mouse_scaling(kbdc, scale) && 3489 set_mouse_scaling(kbdc, scale) && 3490 (get_mouse_status(kbdc, status, 0, 3) >= 3)) 3491 return (TRUE); 3492 return (FALSE); 3493 } 3494 3495 static int 3496 mouse_ext_command(KBDC kbdc, int command) 3497 { 3498 int c; 3499 3500 c = (command >> 6) & 0x03; 3501 if (set_mouse_resolution(kbdc, c) != c) 3502 return (FALSE); 3503 c = (command >> 4) & 0x03; 3504 if (set_mouse_resolution(kbdc, c) != c) 3505 return (FALSE); 3506 c = (command >> 2) & 0x03; 3507 if (set_mouse_resolution(kbdc, c) != c) 3508 return (FALSE); 3509 c = (command >> 0) & 0x03; 3510 if (set_mouse_resolution(kbdc, c) != c) 3511 return (FALSE); 3512 return (TRUE); 3513 } 3514 3515 #ifdef notyet 3516 /* Logitech MouseMan Cordless II */ 3517 static int 3518 enable_lcordless(struct psm_softc *sc) 3519 { 3520 int status[3]; 3521 int ch; 3522 3523 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 2, status)) 3524 return (FALSE); 3525 if (status[1] == PSMD_RES_HIGH) 3526 return (FALSE); 3527 ch = (status[0] & 0x07) - 1; /* channel # */ 3528 if ((ch <= 0) || (ch > 4)) 3529 return (FALSE); 3530 /* 3531 * status[1]: always one? 3532 * status[2]: battery status? (0-100) 3533 */ 3534 return (TRUE); 3535 } 3536 #endif /* notyet */ 3537 3538 /* Genius NetScroll Mouse, MouseSystems SmartScroll Mouse */ 3539 static int 3540 enable_groller(struct psm_softc *sc) 3541 { 3542 int status[3]; 3543 3544 /* 3545 * The special sequence to enable the fourth button and the 3546 * roller. Immediately after this sequence check status bytes. 3547 * if the mouse is NetScroll, the second and the third bytes are 3548 * '3' and 'D'. 3549 */ 3550 3551 /* 3552 * If the mouse is an ordinary PS/2 mouse, the status bytes should 3553 * look like the following. 3554 * 3555 * byte 1 bit 7 always 0 3556 * bit 6 stream mode (0) 3557 * bit 5 disabled (0) 3558 * bit 4 1:1 scaling (0) 3559 * bit 3 always 0 3560 * bit 0-2 button status 3561 * byte 2 resolution (PSMD_RES_HIGH) 3562 * byte 3 report rate (?) 3563 */ 3564 3565 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3566 return (FALSE); 3567 if ((status[1] != '3') || (status[2] != 'D')) 3568 return (FALSE); 3569 /* FIXME: SmartScroll Mouse has 5 buttons! XXX */ 3570 sc->hw.buttons = 4; 3571 return (TRUE); 3572 } 3573 3574 /* Genius NetMouse/NetMouse Pro, ASCII Mie Mouse, NetScroll Optical */ 3575 static int 3576 enable_gmouse(struct psm_softc *sc) 3577 { 3578 int status[3]; 3579 3580 /* 3581 * The special sequence to enable the middle, "rubber" button. 3582 * Immediately after this sequence check status bytes. 3583 * if the mouse is NetMouse, NetMouse Pro, or ASCII MIE Mouse, 3584 * the second and the third bytes are '3' and 'U'. 3585 * NOTE: NetMouse reports that it has three buttons although it has 3586 * two buttons and a rubber button. NetMouse Pro and MIE Mouse 3587 * say they have three buttons too and they do have a button on the 3588 * side... 3589 */ 3590 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_HIGH, 1, status)) 3591 return (FALSE); 3592 if ((status[1] != '3') || (status[2] != 'U')) 3593 return (FALSE); 3594 return (TRUE); 3595 } 3596 3597 /* ALPS GlidePoint */ 3598 static int 3599 enable_aglide(struct psm_softc *sc) 3600 { 3601 int status[3]; 3602 3603 /* 3604 * The special sequence to obtain ALPS GlidePoint specific 3605 * information. Immediately after this sequence, status bytes will 3606 * contain something interesting. 3607 * NOTE: ALPS produces several models of GlidePoint. Some of those 3608 * do not respond to this sequence, thus, cannot be detected this way. 3609 */ 3610 if (set_mouse_sampling_rate(sc->kbdc, 100) != 100) 3611 return (FALSE); 3612 if (!mouse_id_proc1(sc->kbdc, PSMD_RES_LOW, 2, status)) 3613 return (FALSE); 3614 if ((status[1] == PSMD_RES_LOW) || (status[2] == 100)) 3615 return (FALSE); 3616 return (TRUE); 3617 } 3618 3619 /* Kensington ThinkingMouse/Trackball */ 3620 static int 3621 enable_kmouse(struct psm_softc *sc) 3622 { 3623 static u_char rate[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 }; 3624 KBDC kbdc = sc->kbdc; 3625 int status[3]; 3626 int id1; 3627 int id2; 3628 int i; 3629 3630 id1 = get_aux_id(kbdc); 3631 if (set_mouse_sampling_rate(kbdc, 10) != 10) 3632 return (FALSE); 3633 /* 3634 * The device is now in the native mode? It returns a different 3635 * ID value... 3636 */ 3637 id2 = get_aux_id(kbdc); 3638 if ((id1 == id2) || (id2 != 2)) 3639 return (FALSE); 3640 3641 if (set_mouse_resolution(kbdc, PSMD_RES_LOW) != PSMD_RES_LOW) 3642 return (FALSE); 3643 #if PSM_DEBUG >= 2 3644 /* at this point, resolution is LOW, sampling rate is 10/sec */ 3645 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3646 return (FALSE); 3647 #endif 3648 3649 /* 3650 * The special sequence to enable the third and fourth buttons. 3651 * Otherwise they behave like the first and second buttons. 3652 */ 3653 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3654 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3655 return (FALSE); 3656 3657 /* 3658 * At this point, the device is using default resolution and 3659 * sampling rate for the native mode. 3660 */ 3661 if (get_mouse_status(kbdc, status, 0, 3) < 3) 3662 return (FALSE); 3663 if ((status[1] == PSMD_RES_LOW) || (status[2] == rate[i - 1])) 3664 return (FALSE); 3665 3666 /* the device appears be enabled by this sequence, diable it for now */ 3667 disable_aux_dev(kbdc); 3668 empty_aux_buffer(kbdc, 5); 3669 3670 return (TRUE); 3671 } 3672 3673 /* Logitech MouseMan+/FirstMouse+, IBM ScrollPoint Mouse */ 3674 static int 3675 enable_mmanplus(struct psm_softc *sc) 3676 { 3677 KBDC kbdc = sc->kbdc; 3678 int data[3]; 3679 3680 /* the special sequence to enable the fourth button and the roller. */ 3681 /* 3682 * NOTE: for ScrollPoint to respond correctly, the SET_RESOLUTION 3683 * must be called exactly three times since the last RESET command 3684 * before this sequence. XXX 3685 */ 3686 if (!set_mouse_scaling(kbdc, 1)) 3687 return (FALSE); 3688 if (!mouse_ext_command(kbdc, 0x39) || !mouse_ext_command(kbdc, 0xdb)) 3689 return (FALSE); 3690 if (get_mouse_status(kbdc, data, 1, 3) < 3) 3691 return (FALSE); 3692 3693 /* 3694 * PS2++ protocl, packet type 0 3695 * 3696 * b7 b6 b5 b4 b3 b2 b1 b0 3697 * byte 1: * 1 p3 p2 1 * * * 3698 * byte 2: 1 1 p1 p0 m1 m0 1 0 3699 * byte 3: m7 m6 m5 m4 m3 m2 m1 m0 3700 * 3701 * p3-p0: packet type: 0 3702 * m7-m0: model ID: MouseMan+:0x50, 3703 * FirstMouse+:0x51, 3704 * ScrollPoint:0x58... 3705 */ 3706 /* check constant bits */ 3707 if ((data[0] & MOUSE_PS2PLUS_SYNCMASK) != MOUSE_PS2PLUS_SYNC) 3708 return (FALSE); 3709 if ((data[1] & 0xc3) != 0xc2) 3710 return (FALSE); 3711 /* check d3-d0 in byte 2 */ 3712 if (!MOUSE_PS2PLUS_CHECKBITS(data)) 3713 return (FALSE); 3714 /* check p3-p0 */ 3715 if (MOUSE_PS2PLUS_PACKET_TYPE(data) != 0) 3716 return (FALSE); 3717 3718 sc->hw.hwid &= 0x00ff; 3719 sc->hw.hwid |= data[2] << 8; /* save model ID */ 3720 3721 /* 3722 * MouseMan+ (or FirstMouse+) is now in its native mode, in which 3723 * the wheel and the fourth button events are encoded in the 3724 * special data packet. The mouse may be put in the IntelliMouse mode 3725 * if it is initialized by the IntelliMouse's method. 3726 */ 3727 return (TRUE); 3728 } 3729 3730 /* MS IntelliMouse Explorer */ 3731 static int 3732 enable_msexplorer(struct psm_softc *sc) 3733 { 3734 static u_char rate0[] = { 200, 100, 80, }; 3735 static u_char rate1[] = { 200, 200, 80, }; 3736 KBDC kbdc = sc->kbdc; 3737 int id; 3738 int i; 3739 3740 /* 3741 * This is needed for at least A4Tech X-7xx mice - they do not go 3742 * straight to Explorer mode, but need to be set to Intelli mode 3743 * first. 3744 */ 3745 enable_msintelli(sc); 3746 3747 /* the special sequence to enable the extra buttons and the roller. */ 3748 for (i = 0; i < sizeof(rate1)/sizeof(rate1[0]); ++i) 3749 if (set_mouse_sampling_rate(kbdc, rate1[i]) != rate1[i]) 3750 return (FALSE); 3751 /* the device will give the genuine ID only after the above sequence */ 3752 id = get_aux_id(kbdc); 3753 if (id != PSM_EXPLORER_ID) 3754 return (FALSE); 3755 3756 sc->hw.hwid = id; 3757 sc->hw.buttons = 5; /* IntelliMouse Explorer XXX */ 3758 3759 /* 3760 * XXX: this is a kludge to fool some KVM switch products 3761 * which think they are clever enough to know the 4-byte IntelliMouse 3762 * protocol, and assume any other protocols use 3-byte packets. 3763 * They don't convey 4-byte data packets from the IntelliMouse Explorer 3764 * correctly to the host computer because of this! 3765 * The following sequence is actually IntelliMouse's "wake up" 3766 * sequence; it will make the KVM think the mouse is IntelliMouse 3767 * when it is in fact IntelliMouse Explorer. 3768 */ 3769 for (i = 0; i < sizeof(rate0)/sizeof(rate0[0]); ++i) 3770 if (set_mouse_sampling_rate(kbdc, rate0[i]) != rate0[i]) 3771 break; 3772 id = get_aux_id(kbdc); 3773 3774 return (TRUE); 3775 } 3776 3777 /* MS IntelliMouse */ 3778 static int 3779 enable_msintelli(struct psm_softc *sc) 3780 { 3781 /* 3782 * Logitech MouseMan+ and FirstMouse+ will also respond to this 3783 * probe routine and act like IntelliMouse. 3784 */ 3785 3786 static u_char rate[] = { 200, 100, 80, }; 3787 KBDC kbdc = sc->kbdc; 3788 int id; 3789 int i; 3790 3791 /* the special sequence to enable the third button and the roller. */ 3792 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3793 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3794 return (FALSE); 3795 /* the device will give the genuine ID only after the above sequence */ 3796 id = get_aux_id(kbdc); 3797 if (id != PSM_INTELLI_ID) 3798 return (FALSE); 3799 3800 sc->hw.hwid = id; 3801 sc->hw.buttons = 3; 3802 3803 return (TRUE); 3804 } 3805 3806 /* A4 Tech 4D Mouse */ 3807 static int 3808 enable_4dmouse(struct psm_softc *sc) 3809 { 3810 /* 3811 * Newer wheel mice from A4 Tech may use the 4D+ protocol. 3812 */ 3813 3814 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3815 KBDC kbdc = sc->kbdc; 3816 int id; 3817 int i; 3818 3819 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3820 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3821 return (FALSE); 3822 id = get_aux_id(kbdc); 3823 /* 3824 * WinEasy 4D, 4 Way Scroll 4D: 6 3825 * Cable-Free 4D: 8 (4DPLUS) 3826 * WinBest 4D+, 4 Way Scroll 4D+: 8 (4DPLUS) 3827 */ 3828 if (id != PSM_4DMOUSE_ID) 3829 return (FALSE); 3830 3831 sc->hw.hwid = id; 3832 sc->hw.buttons = 3; /* XXX some 4D mice have 4? */ 3833 3834 return (TRUE); 3835 } 3836 3837 /* A4 Tech 4D+ Mouse */ 3838 static int 3839 enable_4dplus(struct psm_softc *sc) 3840 { 3841 /* 3842 * Newer wheel mice from A4 Tech seem to use this protocol. 3843 * Older models are recognized as either 4D Mouse or IntelliMouse. 3844 */ 3845 KBDC kbdc = sc->kbdc; 3846 int id; 3847 3848 /* 3849 * enable_4dmouse() already issued the following ID sequence... 3850 static u_char rate[] = { 200, 100, 80, 60, 40, 20 }; 3851 int i; 3852 3853 for (i = 0; i < sizeof(rate)/sizeof(rate[0]); ++i) 3854 if (set_mouse_sampling_rate(kbdc, rate[i]) != rate[i]) 3855 return (FALSE); 3856 */ 3857 3858 id = get_aux_id(kbdc); 3859 switch (id) { 3860 case PSM_4DPLUS_ID: 3861 sc->hw.buttons = 4; 3862 break; 3863 case PSM_4DPLUS_RFSW35_ID: 3864 sc->hw.buttons = 3; 3865 break; 3866 default: 3867 return (FALSE); 3868 } 3869 3870 sc->hw.hwid = id; 3871 3872 return (TRUE); 3873 } 3874 3875 /* Synaptics Touchpad */ 3876 static int 3877 synaptics_sysctl(SYSCTL_HANDLER_ARGS) 3878 { 3879 int error, arg; 3880 3881 /* Read the current value. */ 3882 arg = *(int *)oidp->oid_arg1; 3883 error = sysctl_handle_int(oidp, &arg, 0, req); 3884 3885 /* Sanity check. */ 3886 if (error || !req->newptr) 3887 return (error); 3888 3889 /* 3890 * Check that the new value is in the concerned node's range 3891 * of values. 3892 */ 3893 switch (oidp->oid_arg2) { 3894 case SYNAPTICS_SYSCTL_MIN_PRESSURE: 3895 case SYNAPTICS_SYSCTL_MAX_PRESSURE: 3896 if (arg < 0 || arg > 255) 3897 return (EINVAL); 3898 break; 3899 case SYNAPTICS_SYSCTL_MAX_WIDTH: 3900 if (arg < 4 || arg > 15) 3901 return (EINVAL); 3902 break; 3903 case SYNAPTICS_SYSCTL_MARGIN_TOP: 3904 case SYNAPTICS_SYSCTL_MARGIN_RIGHT: 3905 case SYNAPTICS_SYSCTL_MARGIN_BOTTOM: 3906 case SYNAPTICS_SYSCTL_MARGIN_LEFT: 3907 case SYNAPTICS_SYSCTL_NA_TOP: 3908 case SYNAPTICS_SYSCTL_NA_RIGHT: 3909 case SYNAPTICS_SYSCTL_NA_BOTTOM: 3910 case SYNAPTICS_SYSCTL_NA_LEFT: 3911 if (arg < 0 || arg > 6143) 3912 return (EINVAL); 3913 break; 3914 case SYNAPTICS_SYSCTL_WINDOW_MIN: 3915 case SYNAPTICS_SYSCTL_WINDOW_MAX: 3916 case SYNAPTICS_SYSCTL_TAP_MIN_QUEUE: 3917 if (arg < 1 || arg > SYNAPTICS_PACKETQUEUE) 3918 return (EINVAL); 3919 break; 3920 case SYNAPTICS_SYSCTL_MULTIPLICATOR: 3921 case SYNAPTICS_SYSCTL_WEIGHT_CURRENT: 3922 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS: 3923 case SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA: 3924 case SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED: 3925 case SYNAPTICS_SYSCTL_DIV_MIN: 3926 case SYNAPTICS_SYSCTL_DIV_MAX: 3927 case SYNAPTICS_SYSCTL_DIV_MAX_NA: 3928 case SYNAPTICS_SYSCTL_DIV_LEN: 3929 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN: 3930 case SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX: 3931 if (arg < 1) 3932 return (EINVAL); 3933 break; 3934 case SYNAPTICS_SYSCTL_TAP_MAX_DELTA: 3935 case SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT: 3936 case SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA: 3937 if (arg < 0) 3938 return (EINVAL); 3939 break; 3940 case SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA: 3941 case SYNAPTICS_SYSCTL_VSCROLL_VER_AREA: 3942 if (arg < -6143 || arg > 6143) 3943 return (EINVAL); 3944 break; 3945 default: 3946 return (EINVAL); 3947 } 3948 3949 /* Update. */ 3950 *(int *)oidp->oid_arg1 = arg; 3951 3952 return (error); 3953 } 3954 3955 static void 3956 synaptics_sysctl_create_tree(struct psm_softc *sc) 3957 { 3958 3959 if (sc->syninfo.sysctl_tree != NULL) 3960 return; 3961 3962 /* Attach extra synaptics sysctl nodes under hw.psm.synaptics */ 3963 sysctl_ctx_init(&sc->syninfo.sysctl_ctx); 3964 sc->syninfo.sysctl_tree = SYSCTL_ADD_NODE(&sc->syninfo.sysctl_ctx, 3965 SYSCTL_STATIC_CHILDREN(_hw_psm), OID_AUTO, "synaptics", CTLFLAG_RD, 3966 0, "Synaptics TouchPad"); 3967 3968 /* hw.psm.synaptics.directional_scrolls. */ 3969 sc->syninfo.directional_scrolls = 1; 3970 SYSCTL_ADD_INT(&sc->syninfo.sysctl_ctx, 3971 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 3972 "directional_scrolls", CTLFLAG_RW|CTLFLAG_ANYBODY, 3973 &sc->syninfo.directional_scrolls, 0, 3974 "Enable hardware scrolling pad (if non-zero) or register it as " 3975 "a middle-click (if 0)"); 3976 3977 /* hw.psm.synaptics.min_pressure. */ 3978 sc->syninfo.min_pressure = 16; 3979 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 3980 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 3981 "min_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 3982 &sc->syninfo.min_pressure, SYNAPTICS_SYSCTL_MIN_PRESSURE, 3983 synaptics_sysctl, "I", 3984 "Minimum pressure required to start an action"); 3985 3986 /* hw.psm.synaptics.max_pressure. */ 3987 sc->syninfo.max_pressure = 220; 3988 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 3989 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 3990 "max_pressure", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 3991 &sc->syninfo.max_pressure, SYNAPTICS_SYSCTL_MAX_PRESSURE, 3992 synaptics_sysctl, "I", 3993 "Maximum pressure to detect palm"); 3994 3995 /* hw.psm.synaptics.max_width. */ 3996 sc->syninfo.max_width = 10; 3997 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 3998 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 3999 "max_width", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4000 &sc->syninfo.max_width, SYNAPTICS_SYSCTL_MAX_WIDTH, 4001 synaptics_sysctl, "I", 4002 "Maximum finger width to detect palm"); 4003 4004 /* hw.psm.synaptics.top_margin. */ 4005 sc->syninfo.margin_top = 200; 4006 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4007 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4008 "margin_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4009 &sc->syninfo.margin_top, SYNAPTICS_SYSCTL_MARGIN_TOP, 4010 synaptics_sysctl, "I", 4011 "Top margin"); 4012 4013 /* hw.psm.synaptics.right_margin. */ 4014 sc->syninfo.margin_right = 200; 4015 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4016 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4017 "margin_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4018 &sc->syninfo.margin_right, SYNAPTICS_SYSCTL_MARGIN_RIGHT, 4019 synaptics_sysctl, "I", 4020 "Right margin"); 4021 4022 /* hw.psm.synaptics.bottom_margin. */ 4023 sc->syninfo.margin_bottom = 200; 4024 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4025 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4026 "margin_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4027 &sc->syninfo.margin_bottom, SYNAPTICS_SYSCTL_MARGIN_BOTTOM, 4028 synaptics_sysctl, "I", 4029 "Bottom margin"); 4030 4031 /* hw.psm.synaptics.left_margin. */ 4032 sc->syninfo.margin_left = 200; 4033 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4034 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4035 "margin_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4036 &sc->syninfo.margin_left, SYNAPTICS_SYSCTL_MARGIN_LEFT, 4037 synaptics_sysctl, "I", 4038 "Left margin"); 4039 4040 /* hw.psm.synaptics.na_top. */ 4041 sc->syninfo.na_top = 1783; 4042 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4043 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4044 "na_top", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4045 &sc->syninfo.na_top, SYNAPTICS_SYSCTL_NA_TOP, 4046 synaptics_sysctl, "I", 4047 "Top noisy area, where weight_previous_na is used instead " 4048 "of weight_previous"); 4049 4050 /* hw.psm.synaptics.na_right. */ 4051 sc->syninfo.na_right = 563; 4052 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4053 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4054 "na_right", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4055 &sc->syninfo.na_right, SYNAPTICS_SYSCTL_NA_RIGHT, 4056 synaptics_sysctl, "I", 4057 "Right noisy area, where weight_previous_na is used instead " 4058 "of weight_previous"); 4059 4060 /* hw.psm.synaptics.na_bottom. */ 4061 sc->syninfo.na_bottom = 1408; 4062 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4063 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4064 "na_bottom", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4065 &sc->syninfo.na_bottom, SYNAPTICS_SYSCTL_NA_BOTTOM, 4066 synaptics_sysctl, "I", 4067 "Bottom noisy area, where weight_previous_na is used instead " 4068 "of weight_previous"); 4069 4070 /* hw.psm.synaptics.na_left. */ 4071 sc->syninfo.na_left = 1600; 4072 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4073 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4074 "na_left", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4075 &sc->syninfo.na_left, SYNAPTICS_SYSCTL_NA_LEFT, 4076 synaptics_sysctl, "I", 4077 "Left noisy area, where weight_previous_na is used instead " 4078 "of weight_previous"); 4079 4080 /* hw.psm.synaptics.window_min. */ 4081 sc->syninfo.window_min = 4; 4082 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4083 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4084 "window_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4085 &sc->syninfo.window_min, SYNAPTICS_SYSCTL_WINDOW_MIN, 4086 synaptics_sysctl, "I", 4087 "Minimum window size to start an action"); 4088 4089 /* hw.psm.synaptics.window_max. */ 4090 sc->syninfo.window_max = 10; 4091 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4092 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4093 "window_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4094 &sc->syninfo.window_max, SYNAPTICS_SYSCTL_WINDOW_MAX, 4095 synaptics_sysctl, "I", 4096 "Maximum window size"); 4097 4098 /* hw.psm.synaptics.multiplicator. */ 4099 sc->syninfo.multiplicator = 10000; 4100 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4101 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4102 "multiplicator", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4103 &sc->syninfo.multiplicator, SYNAPTICS_SYSCTL_MULTIPLICATOR, 4104 synaptics_sysctl, "I", 4105 "Multiplicator to increase precision in averages and divisions"); 4106 4107 /* hw.psm.synaptics.weight_current. */ 4108 sc->syninfo.weight_current = 3; 4109 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4110 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4111 "weight_current", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4112 &sc->syninfo.weight_current, SYNAPTICS_SYSCTL_WEIGHT_CURRENT, 4113 synaptics_sysctl, "I", 4114 "Weight of the current movement in the new average"); 4115 4116 /* hw.psm.synaptics.weight_previous. */ 4117 sc->syninfo.weight_previous = 6; 4118 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4119 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4120 "weight_previous", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4121 &sc->syninfo.weight_previous, SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS, 4122 synaptics_sysctl, "I", 4123 "Weight of the previous average"); 4124 4125 /* hw.psm.synaptics.weight_previous_na. */ 4126 sc->syninfo.weight_previous_na = 20; 4127 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4128 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4129 "weight_previous_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4130 &sc->syninfo.weight_previous_na, 4131 SYNAPTICS_SYSCTL_WEIGHT_PREVIOUS_NA, 4132 synaptics_sysctl, "I", 4133 "Weight of the previous average (inside the noisy area)"); 4134 4135 /* hw.psm.synaptics.weight_len_squared. */ 4136 sc->syninfo.weight_len_squared = 2000; 4137 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4138 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4139 "weight_len_squared", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4140 &sc->syninfo.weight_len_squared, 4141 SYNAPTICS_SYSCTL_WEIGHT_LEN_SQUARED, 4142 synaptics_sysctl, "I", 4143 "Length (squared) of segments where weight_previous " 4144 "starts to decrease"); 4145 4146 /* hw.psm.synaptics.div_min. */ 4147 sc->syninfo.div_min = 9; 4148 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4149 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4150 "div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4151 &sc->syninfo.div_min, SYNAPTICS_SYSCTL_DIV_MIN, 4152 synaptics_sysctl, "I", 4153 "Divisor for fast movements"); 4154 4155 /* hw.psm.synaptics.div_max. */ 4156 sc->syninfo.div_max = 17; 4157 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4158 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4159 "div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4160 &sc->syninfo.div_max, SYNAPTICS_SYSCTL_DIV_MAX, 4161 synaptics_sysctl, "I", 4162 "Divisor for slow movements"); 4163 4164 /* hw.psm.synaptics.div_max_na. */ 4165 sc->syninfo.div_max_na = 30; 4166 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4167 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4168 "div_max_na", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4169 &sc->syninfo.div_max_na, SYNAPTICS_SYSCTL_DIV_MAX_NA, 4170 synaptics_sysctl, "I", 4171 "Divisor with slow movements (inside the noisy area)"); 4172 4173 /* hw.psm.synaptics.div_len. */ 4174 sc->syninfo.div_len = 100; 4175 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4176 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4177 "div_len", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4178 &sc->syninfo.div_len, SYNAPTICS_SYSCTL_DIV_LEN, 4179 synaptics_sysctl, "I", 4180 "Length of segments where div_max starts to decrease"); 4181 4182 /* hw.psm.synaptics.tap_max_delta. */ 4183 sc->syninfo.tap_max_delta = 80; 4184 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4185 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4186 "tap_max_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4187 &sc->syninfo.tap_max_delta, SYNAPTICS_SYSCTL_TAP_MAX_DELTA, 4188 synaptics_sysctl, "I", 4189 "Length of segments above which a tap is ignored"); 4190 4191 /* hw.psm.synaptics.tap_min_queue. */ 4192 sc->syninfo.tap_min_queue = 2; 4193 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4194 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4195 "tap_min_queue", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4196 &sc->syninfo.tap_min_queue, SYNAPTICS_SYSCTL_TAP_MIN_QUEUE, 4197 synaptics_sysctl, "I", 4198 "Number of packets required to consider a tap"); 4199 4200 /* hw.psm.synaptics.taphold_timeout. */ 4201 sc->synaction.in_taphold = 0; 4202 sc->syninfo.taphold_timeout = tap_timeout; 4203 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4204 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4205 "taphold_timeout", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4206 &sc->syninfo.taphold_timeout, SYNAPTICS_SYSCTL_TAPHOLD_TIMEOUT, 4207 synaptics_sysctl, "I", 4208 "Maximum elapsed time between two taps to consider a tap-hold " 4209 "action"); 4210 4211 /* hw.psm.synaptics.vscroll_hor_area. */ 4212 sc->syninfo.vscroll_hor_area = 0; /* 1300 */ 4213 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4214 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4215 "vscroll_hor_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4216 &sc->syninfo.vscroll_hor_area, SYNAPTICS_SYSCTL_VSCROLL_HOR_AREA, 4217 synaptics_sysctl, "I", 4218 "Area reserved for horizontal virtual scrolling"); 4219 4220 /* hw.psm.synaptics.vscroll_ver_area. */ 4221 sc->syninfo.vscroll_ver_area = -600; 4222 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4223 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4224 "vscroll_ver_area", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4225 &sc->syninfo.vscroll_ver_area, SYNAPTICS_SYSCTL_VSCROLL_VER_AREA, 4226 synaptics_sysctl, "I", 4227 "Area reserved for vertical virtual scrolling"); 4228 4229 /* hw.psm.synaptics.vscroll_min_delta. */ 4230 sc->syninfo.vscroll_min_delta = 50; 4231 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4232 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4233 "vscroll_min_delta", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4234 &sc->syninfo.vscroll_min_delta, 4235 SYNAPTICS_SYSCTL_VSCROLL_MIN_DELTA, 4236 synaptics_sysctl, "I", 4237 "Minimum movement to consider virtual scrolling"); 4238 4239 /* hw.psm.synaptics.vscroll_div_min. */ 4240 sc->syninfo.vscroll_div_min = 100; 4241 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4242 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4243 "vscroll_div_min", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4244 &sc->syninfo.vscroll_div_min, SYNAPTICS_SYSCTL_VSCROLL_DIV_MIN, 4245 synaptics_sysctl, "I", 4246 "Divisor for fast scrolling"); 4247 4248 /* hw.psm.synaptics.vscroll_div_min. */ 4249 sc->syninfo.vscroll_div_max = 150; 4250 SYSCTL_ADD_PROC(&sc->syninfo.sysctl_ctx, 4251 SYSCTL_CHILDREN(sc->syninfo.sysctl_tree), OID_AUTO, 4252 "vscroll_div_max", CTLTYPE_INT|CTLFLAG_RW|CTLFLAG_ANYBODY, 4253 &sc->syninfo.vscroll_div_max, SYNAPTICS_SYSCTL_VSCROLL_DIV_MAX, 4254 synaptics_sysctl, "I", 4255 "Divisor for slow scrolling"); 4256 } 4257 4258 static int 4259 enable_synaptics(struct psm_softc *sc) 4260 { 4261 int status[3]; 4262 KBDC kbdc; 4263 4264 if (!synaptics_support) 4265 return (FALSE); 4266 4267 kbdc = sc->kbdc; 4268 VLOG(3, (LOG_DEBUG, "synaptics: BEGIN init\n")); 4269 sc->hw.buttons = 3; 4270 sc->squelch = 0; 4271 4272 /* 4273 * Just to be on the safe side: this avoids troubles with 4274 * following mouse_ext_command() when the previous command 4275 * was PSMC_SET_RESOLUTION. Set Scaling has no effect on 4276 * Synaptics Touchpad behaviour. 4277 */ 4278 set_mouse_scaling(kbdc, 1); 4279 4280 /* Identify the Touchpad version. */ 4281 if (mouse_ext_command(kbdc, 0) == 0) 4282 return (FALSE); 4283 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4284 return (FALSE); 4285 if (status[1] != 0x47) 4286 return (FALSE); 4287 4288 sc->synhw.infoMinor = status[0]; 4289 sc->synhw.infoMajor = status[2] & 0x0f; 4290 4291 if (verbose >= 2) 4292 printf("Synaptics Touchpad v%d.%d\n", sc->synhw.infoMajor, 4293 sc->synhw.infoMinor); 4294 4295 if (sc->synhw.infoMajor < 4) { 4296 printf(" Unsupported (pre-v4) Touchpad detected\n"); 4297 return (FALSE); 4298 } 4299 4300 /* Get the Touchpad model information. */ 4301 if (mouse_ext_command(kbdc, 3) == 0) 4302 return (FALSE); 4303 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4304 return (FALSE); 4305 if ((status[1] & 0x01) != 0) { 4306 printf(" Failed to read model information\n"); 4307 return (FALSE); 4308 } 4309 4310 sc->synhw.infoRot180 = (status[0] & 0x80) >> 7; 4311 sc->synhw.infoPortrait = (status[0] & 0x40) >> 6; 4312 sc->synhw.infoSensor = status[0] & 0x3f; 4313 sc->synhw.infoHardware = (status[1] & 0xfe) >> 1; 4314 sc->synhw.infoNewAbs = (status[2] & 0x80) >> 7; 4315 sc->synhw.capPen = (status[2] & 0x40) >> 6; 4316 sc->synhw.infoSimplC = (status[2] & 0x20) >> 5; 4317 sc->synhw.infoGeometry = status[2] & 0x0f; 4318 4319 if (verbose >= 2) { 4320 printf(" Model information:\n"); 4321 printf(" infoRot180: %d\n", sc->synhw.infoRot180); 4322 printf(" infoPortrait: %d\n", sc->synhw.infoPortrait); 4323 printf(" infoSensor: %d\n", sc->synhw.infoSensor); 4324 printf(" infoHardware: %d\n", sc->synhw.infoHardware); 4325 printf(" infoNewAbs: %d\n", sc->synhw.infoNewAbs); 4326 printf(" capPen: %d\n", sc->synhw.capPen); 4327 printf(" infoSimplC: %d\n", sc->synhw.infoSimplC); 4328 printf(" infoGeometry: %d\n", sc->synhw.infoGeometry); 4329 } 4330 4331 /* Read the extended capability bits. */ 4332 if (mouse_ext_command(kbdc, 2) == 0) 4333 return (FALSE); 4334 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4335 return (FALSE); 4336 if (status[1] != 0x47) { 4337 printf(" Failed to read extended capability bits\n"); 4338 return (FALSE); 4339 } 4340 4341 /* Set the different capabilities when they exist. */ 4342 if ((status[0] & 0x80) >> 7) { 4343 sc->synhw.capExtended = (status[0] & 0x80) >> 7; 4344 sc->synhw.capPassthrough = (status[2] & 0x80) >> 7; 4345 sc->synhw.capSleep = (status[2] & 0x10) >> 4; 4346 sc->synhw.capFourButtons = (status[2] & 0x08) >> 3; 4347 sc->synhw.capMultiFinger = (status[2] & 0x02) >> 1; 4348 sc->synhw.capPalmDetect = (status[2] & 0x01); 4349 4350 if (verbose >= 2) { 4351 printf(" Extended capabilities:\n"); 4352 printf(" capExtended: %d\n", sc->synhw.capExtended); 4353 printf(" capPassthrough: %d\n", 4354 sc->synhw.capPassthrough); 4355 printf(" capSleep: %d\n", sc->synhw.capSleep); 4356 printf(" capFourButtons: %d\n", 4357 sc->synhw.capFourButtons); 4358 printf(" capMultiFinger: %d\n", 4359 sc->synhw.capMultiFinger); 4360 printf(" capPalmDetect: %d\n", 4361 sc->synhw.capPalmDetect); 4362 } 4363 4364 /* 4365 * If we have bits set in status[0] & 0x70, then we can load 4366 * more information about buttons using query 0x09. 4367 */ 4368 if (status[0] & 0x70) { 4369 if (mouse_ext_command(kbdc, 0x09) == 0) 4370 return (FALSE); 4371 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4372 return (FALSE); 4373 sc->hw.buttons = ((status[1] & 0xf0) >> 4) + 3; 4374 if (verbose >= 2) 4375 printf(" Additional Buttons: %d\n", 4376 sc->hw.buttons -3); 4377 } 4378 } else { 4379 sc->synhw.capExtended = 0; 4380 4381 if (verbose >= 2) 4382 printf(" No extended capabilities\n"); 4383 } 4384 4385 /* 4386 * Read the mode byte. 4387 * 4388 * XXX: Note the Synaptics documentation also defines the first 4389 * byte of the response to this query to be a constant 0x3b, this 4390 * does not appear to be true for Touchpads with guest devices. 4391 */ 4392 if (mouse_ext_command(kbdc, 1) == 0) 4393 return (FALSE); 4394 if (get_mouse_status(kbdc, status, 0, 3) != 3) 4395 return (FALSE); 4396 if (status[1] != 0x47) { 4397 printf(" Failed to read mode byte\n"); 4398 return (FALSE); 4399 } 4400 4401 /* Set the mode byte; request wmode where available. */ 4402 if (sc->synhw.capExtended) 4403 mouse_ext_command(kbdc, 0xc1); 4404 else 4405 mouse_ext_command(kbdc, 0xc0); 4406 4407 /* "Commit" the Set Mode Byte command sent above. */ 4408 set_mouse_sampling_rate(kbdc, 20); 4409 4410 /* 4411 * Report the correct number of buttons 4412 * 4413 * XXX: I'm not sure this is used anywhere. 4414 */ 4415 if (sc->synhw.capExtended && sc->synhw.capFourButtons) 4416 sc->hw.buttons = 4; 4417 4418 VLOG(3, (LOG_DEBUG, "synaptics: END init (%d buttons)\n", 4419 sc->hw.buttons)); 4420 4421 /* Create sysctl tree. */ 4422 synaptics_sysctl_create_tree(sc); 4423 4424 /* 4425 * The touchpad will have to be reinitialized after 4426 * suspend/resume. 4427 */ 4428 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4429 4430 return (TRUE); 4431 } 4432 4433 /* Interlink electronics VersaPad */ 4434 static int 4435 enable_versapad(struct psm_softc *sc) 4436 { 4437 KBDC kbdc = sc->kbdc; 4438 int data[3]; 4439 4440 set_mouse_resolution(kbdc, PSMD_RES_MEDIUM_HIGH); /* set res. 2 */ 4441 set_mouse_sampling_rate(kbdc, 100); /* set rate 100 */ 4442 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4443 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4444 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4445 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4446 if (get_mouse_status(kbdc, data, 0, 3) < 3) /* get status */ 4447 return (FALSE); 4448 if (data[2] != 0xa || data[1] != 0 ) /* rate == 0xa && res. == 0 */ 4449 return (FALSE); 4450 set_mouse_scaling(kbdc, 1); /* set scale 1:1 */ 4451 4452 sc->config |= PSM_CONFIG_HOOKRESUME | PSM_CONFIG_INITAFTERSUSPEND; 4453 4454 return (TRUE); /* PS/2 absolute mode */ 4455 } 4456 4457 /* 4458 * Return true if 'now' is earlier than (start + (secs.usecs)). 4459 * Now may be NULL and the function will fetch the current time from 4460 * getmicrouptime(), or a cached 'now' can be passed in. 4461 * All values should be numbers derived from getmicrouptime(). 4462 */ 4463 static int 4464 timeelapsed(start, secs, usecs, now) 4465 const struct timeval *start, *now; 4466 int secs, usecs; 4467 { 4468 struct timeval snow, tv; 4469 4470 /* if there is no 'now' passed in, the get it as a convience. */ 4471 if (now == NULL) { 4472 getmicrouptime(&snow); 4473 now = &snow; 4474 } 4475 4476 tv.tv_sec = secs; 4477 tv.tv_usec = usecs; 4478 timevaladd(&tv, start); 4479 return (timevalcmp(&tv, now, <)); 4480 } 4481 4482 static int 4483 psmresume(device_t dev) 4484 { 4485 struct psm_softc *sc = device_get_softc(dev); 4486 int unit = device_get_unit(dev); 4487 int err; 4488 4489 VLOG(2, (LOG_NOTICE, "psm%d: system resume hook called.\n", unit)); 4490 4491 if (!(sc->config & PSM_CONFIG_HOOKRESUME)) 4492 return (0); 4493 4494 err = reinitialize(sc, sc->config & PSM_CONFIG_INITAFTERSUSPEND); 4495 4496 if ((sc->state & PSM_ASLP) && !(sc->state & PSM_VALID)) { 4497 /* 4498 * Release the blocked process; it must be notified that 4499 * the device cannot be accessed anymore. 4500 */ 4501 sc->state &= ~PSM_ASLP; 4502 wakeup(sc); 4503 } 4504 4505 VLOG(2, (LOG_DEBUG, "psm%d: system resume hook exiting.\n", unit)); 4506 4507 return (err); 4508 } 4509 4510 DRIVER_MODULE(psm, atkbdc, psm_driver, psm_devclass, 0, 0); 4511 4512 #ifdef DEV_ISA 4513 4514 /* 4515 * This sucks up assignments from PNPBIOS and ACPI. 4516 */ 4517 4518 /* 4519 * When the PS/2 mouse device is reported by ACPI or PnP BIOS, it may 4520 * appear BEFORE the AT keyboard controller. As the PS/2 mouse device 4521 * can be probed and attached only after the AT keyboard controller is 4522 * attached, we shall quietly reserve the IRQ resource for later use. 4523 * If the PS/2 mouse device is reported to us AFTER the keyboard controller, 4524 * copy the IRQ resource to the PS/2 mouse device instance hanging 4525 * under the keyboard controller, then probe and attach it. 4526 */ 4527 4528 static devclass_t psmcpnp_devclass; 4529 4530 static device_probe_t psmcpnp_probe; 4531 static device_attach_t psmcpnp_attach; 4532 4533 static device_method_t psmcpnp_methods[] = { 4534 DEVMETHOD(device_probe, psmcpnp_probe), 4535 DEVMETHOD(device_attach, psmcpnp_attach), 4536 4537 { 0, 0 } 4538 }; 4539 4540 static driver_t psmcpnp_driver = { 4541 PSMCPNP_DRIVER_NAME, 4542 psmcpnp_methods, 4543 1, /* no softc */ 4544 }; 4545 4546 static struct isa_pnp_id psmcpnp_ids[] = { 4547 { 0x030fd041, "PS/2 mouse port" }, /* PNP0F03 */ 4548 { 0x0e0fd041, "PS/2 mouse port" }, /* PNP0F0E */ 4549 { 0x120fd041, "PS/2 mouse port" }, /* PNP0F12 */ 4550 { 0x130fd041, "PS/2 mouse port" }, /* PNP0F13 */ 4551 { 0x1303d041, "PS/2 port" }, /* PNP0313, XXX */ 4552 { 0x02002e4f, "Dell PS/2 mouse port" }, /* Lat. X200, Dell */ 4553 { 0x0002a906, "ALPS Glide Point" }, /* ALPS Glide Point */ 4554 { 0x80374d24, "IBM PS/2 mouse port" }, /* IBM3780, ThinkPad */ 4555 { 0x81374d24, "IBM PS/2 mouse port" }, /* IBM3781, ThinkPad */ 4556 { 0x0190d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9001, Vaio */ 4557 { 0x0290d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9002, Vaio */ 4558 { 0x0390d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9003, Vaio */ 4559 { 0x0490d94d, "SONY VAIO PS/2 mouse port"}, /* SNY9004, Vaio */ 4560 { 0 } 4561 }; 4562 4563 static int 4564 create_a_copy(device_t atkbdc, device_t me) 4565 { 4566 device_t psm; 4567 u_long irq; 4568 4569 /* find the PS/2 mouse device instance under the keyboard controller */ 4570 psm = device_find_child(atkbdc, PSM_DRIVER_NAME, 4571 device_get_unit(atkbdc)); 4572 if (psm == NULL) 4573 return (ENXIO); 4574 if (device_get_state(psm) != DS_NOTPRESENT) 4575 return (0); 4576 4577 /* move our resource to the found device */ 4578 irq = bus_get_resource_start(me, SYS_RES_IRQ, 0); 4579 bus_set_resource(psm, SYS_RES_IRQ, KBDC_RID_AUX, irq, 1); 4580 4581 /* ...then probe and attach it */ 4582 return (device_probe_and_attach(psm)); 4583 } 4584 4585 static int 4586 psmcpnp_probe(device_t dev) 4587 { 4588 struct resource *res; 4589 u_long irq; 4590 int rid; 4591 4592 if (ISA_PNP_PROBE(device_get_parent(dev), dev, psmcpnp_ids)) 4593 return (ENXIO); 4594 4595 /* 4596 * The PnP BIOS and ACPI are supposed to assign an IRQ (12) 4597 * to the PS/2 mouse device node. But, some buggy PnP BIOS 4598 * declares the PS/2 mouse device node without an IRQ resource! 4599 * If this happens, we shall refer to device hints. 4600 * If we still don't find it there, use a hardcoded value... XXX 4601 */ 4602 rid = 0; 4603 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid); 4604 if (irq <= 0) { 4605 if (resource_long_value(PSM_DRIVER_NAME, 4606 device_get_unit(dev),"irq", &irq) != 0) 4607 irq = 12; /* XXX */ 4608 device_printf(dev, "irq resource info is missing; " 4609 "assuming irq %ld\n", irq); 4610 bus_set_resource(dev, SYS_RES_IRQ, rid, irq, 1); 4611 } 4612 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4613 bus_release_resource(dev, SYS_RES_IRQ, rid, res); 4614 4615 /* keep quiet */ 4616 if (!bootverbose) 4617 device_quiet(dev); 4618 4619 return ((res == NULL) ? ENXIO : 0); 4620 } 4621 4622 static int 4623 psmcpnp_attach(device_t dev) 4624 { 4625 device_t atkbdc; 4626 int rid; 4627 4628 /* find the keyboard controller, which may be on acpi* or isa* bus */ 4629 atkbdc = devclass_get_device(devclass_find(ATKBDC_DRIVER_NAME), 4630 device_get_unit(dev)); 4631 if ((atkbdc != NULL) && (device_get_state(atkbdc) == DS_ATTACHED)) 4632 create_a_copy(atkbdc, dev); 4633 else { 4634 /* 4635 * If we don't have the AT keyboard controller yet, 4636 * just reserve the IRQ for later use... 4637 * (See psmidentify() above.) 4638 */ 4639 rid = 0; 4640 bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE); 4641 } 4642 4643 return (0); 4644 } 4645 4646 DRIVER_MODULE(psmcpnp, isa, psmcpnp_driver, psmcpnp_devclass, 0, 0); 4647 DRIVER_MODULE(psmcpnp, acpi, psmcpnp_driver, psmcpnp_devclass, 0, 0); 4648 4649 #endif /* DEV_ISA */ 4650