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sys/pc98/pc98/mse.c
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1 /* 2 * Copyright 1992 by the University of Guelph 3 * 4 * Permission to use, copy and modify this 5 * software and its documentation for any purpose and without 6 * fee is hereby granted, provided that the above copyright 7 * notice appear in all copies and that both that copyright 8 * notice and this permission notice appear in supporting 9 * documentation. 10 * University of Guelph makes no representations about the suitability of 11 * this software for any purpose. It is provided "as is" 12 * without express or implied warranty. 13 * 14 * $FreeBSD: releng/5.0/sys/pc98/pc98/mse.c 93134 2002-03-25 12:44:03Z nyan $ 15 */ 16 /* 17 * Driver for the Logitech and ATI Inport Bus mice for use with 386bsd and 18 * the X386 port, courtesy of 19 * Rick Macklem, rick@snowhite.cis.uoguelph.ca 20 * Caveats: The driver currently uses spltty(), but doesn't use any 21 * generic tty code. It could use splmse() (that only masks off the 22 * bus mouse interrupt, but that would require hacking in i386/isa/icu.s. 23 * (This may be worth the effort, since the Logitech generates 30/60 24 * interrupts/sec continuously while it is open.) 25 * NB: The ATI has NOT been tested yet! 26 */ 27 28 /* 29 * Modification history: 30 * Sep 6, 1994 -- Lars Fredriksen(fredriks@mcs.com) 31 * improved probe based on input from Logitech. 32 * 33 * Oct 19, 1992 -- E. Stark (stark@cs.sunysb.edu) 34 * fixes to make it work with Microsoft InPort busmouse 35 * 36 * Jan, 1993 -- E. Stark (stark@cs.sunysb.edu) 37 * added patches for new "select" interface 38 * 39 * May 4, 1993 -- E. Stark (stark@cs.sunysb.edu) 40 * changed position of some spl()'s in mseread 41 * 42 * October 8, 1993 -- E. Stark (stark@cs.sunysb.edu) 43 * limit maximum negative x/y value to -127 to work around XFree problem 44 * that causes spurious button pushes. 45 */ 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/conf.h> 50 #include <sys/kernel.h> 51 #include <sys/bus.h> 52 #include <sys/poll.h> 53 #include <sys/selinfo.h> 54 #include <sys/uio.h> 55 #include <sys/mouse.h> 56 57 #include <machine/bus.h> 58 #include <machine/clock.h> 59 #include <machine/resource.h> 60 #include <sys/rman.h> 61 62 #include <isa/isavar.h> 63 64 /* driver configuration flags (config) */ 65 #define MSE_CONFIG_ACCEL 0x00f0 /* acceleration factor */ 66 #define MSE_CONFIG_FLAGS (MSE_CONFIG_ACCEL) 67 68 /* 69 * Software control structure for mouse. The sc_enablemouse(), 70 * sc_disablemouse() and sc_getmouse() routines must be called spl'd(). 71 */ 72 typedef struct mse_softc { 73 int sc_flags; 74 int sc_mousetype; 75 struct selinfo sc_selp; 76 struct resource *sc_port; 77 struct resource *sc_intr; 78 bus_space_tag_t sc_iot; 79 bus_space_handle_t sc_ioh; 80 void *sc_ih; 81 void (*sc_enablemouse)(bus_space_tag_t t, 82 bus_space_handle_t h); 83 void (*sc_disablemouse)(bus_space_tag_t t, 84 bus_space_handle_t h); 85 void (*sc_getmouse)(bus_space_tag_t t, bus_space_handle_t h, 86 int *dx, int *dy, int *but); 87 int sc_deltax; 88 int sc_deltay; 89 int sc_obuttons; 90 int sc_buttons; 91 int sc_bytesread; 92 u_char sc_bytes[MOUSE_SYS_PACKETSIZE]; 93 struct callout_handle sc_callout; 94 int sc_watchdog; 95 dev_t sc_dev; 96 dev_t sc_ndev; 97 mousehw_t hw; 98 mousemode_t mode; 99 mousestatus_t status; 100 } mse_softc_t; 101 102 static devclass_t mse_devclass; 103 104 static int mse_probe(device_t dev); 105 static int mse_attach(device_t dev); 106 static int mse_detach(device_t dev); 107 108 static device_method_t mse_methods[] = { 109 DEVMETHOD(device_probe, mse_probe), 110 DEVMETHOD(device_attach, mse_attach), 111 DEVMETHOD(device_detach, mse_detach), 112 { 0, 0 } 113 }; 114 115 static driver_t mse_driver = { 116 "mse", 117 mse_methods, 118 sizeof(mse_softc_t), 119 }; 120 121 DRIVER_MODULE(mse, isa, mse_driver, mse_devclass, 0, 0); 122 123 static struct isa_pnp_id mse_ids[] = { 124 { 0x000fd041, "Bus mouse" }, /* PNP0F00 */ 125 { 0x020fd041, "InPort mouse" }, /* PNP0F02 */ 126 { 0x0d0fd041, "InPort mouse compatible" }, /* PNP0F0D */ 127 { 0x110fd041, "Bus mouse compatible" }, /* PNP0F11 */ 128 { 0x150fd041, "Logitech bus mouse" }, /* PNP0F15 */ 129 { 0x180fd041, "Logitech bus mouse compatible" },/* PNP0F18 */ 130 { 0 } 131 }; 132 133 static d_open_t mseopen; 134 static d_close_t mseclose; 135 static d_read_t mseread; 136 static d_ioctl_t mseioctl; 137 static d_poll_t msepoll; 138 139 #define CDEV_MAJOR 27 140 static struct cdevsw mse_cdevsw = { 141 /* open */ mseopen, 142 /* close */ mseclose, 143 /* read */ mseread, 144 /* write */ nowrite, 145 /* ioctl */ mseioctl, 146 /* poll */ msepoll, 147 /* mmap */ nommap, 148 /* strategy */ nostrategy, 149 /* name */ "mse", 150 /* maj */ CDEV_MAJOR, 151 /* dump */ nodump, 152 /* psize */ nopsize, 153 /* flags */ 0, 154 }; 155 156 static void mseintr(void *); 157 static timeout_t msetimeout; 158 159 /* Flags */ 160 #define MSESC_OPEN 0x1 161 #define MSESC_WANT 0x2 162 163 /* and Mouse Types */ 164 #define MSE_NONE 0 /* don't move this! */ 165 #ifdef PC98 166 #define MSE_98BUSMOUSE 0x1 167 #else 168 #define MSE_LOGITECH 0x1 169 #define MSE_ATIINPORT 0x2 170 #define MSE_LOGI_SIG 0xA5 171 #endif 172 173 #define MSE_PORTA 0 174 #define MSE_PORTB 1 175 #define MSE_PORTC 2 176 #define MSE_PORTD 3 177 #define MSE_IOSIZE 4 178 179 #define MSE_UNIT(dev) (minor(dev) >> 1) 180 #define MSE_NBLOCKIO(dev) (minor(dev) & 0x1) 181 182 #ifdef PC98 183 /* 184 * PC-9801 Bus mouse definitions 185 */ 186 187 #define MODE MSE_PORTD 188 #define HC MSE_PORTD 189 #define INT MSE_PORTD 190 191 #define XL 0x00 192 #define XH 0x20 193 #define YL 0x40 194 #define YH 0x60 195 196 #define INT_ENABLE 0x8 197 #define INT_DISABLE 0x9 198 #define HC_NO_CLEAR 0xe 199 #define HC_CLEAR 0xf 200 201 static bus_addr_t mse_port[] = {0, 2, 4, 6}; 202 203 static int mse_probe98m(device_t dev, mse_softc_t *sc); 204 static void mse_disable98m(bus_space_tag_t t, bus_space_handle_t h); 205 static void mse_get98m(bus_space_tag_t t, bus_space_handle_t h, 206 int *dx, int *dy, int *but); 207 static void mse_enable98m(bus_space_tag_t t, bus_space_handle_t h); 208 #else 209 /* 210 * Logitech bus mouse definitions 211 */ 212 #define MSE_SETUP 0x91 /* What does this mean? */ 213 /* The definition for the control port */ 214 /* is as follows: */ 215 216 /* D7 = Mode set flag (1 = active) */ 217 /* D6,D5 = Mode selection (port A) */ 218 /* 00 = Mode 0 = Basic I/O */ 219 /* 01 = Mode 1 = Strobed I/O */ 220 /* 10 = Mode 2 = Bi-dir bus */ 221 /* D4 = Port A direction (1 = input)*/ 222 /* D3 = Port C (upper 4 bits) */ 223 /* direction. (1 = input) */ 224 /* D2 = Mode selection (port B & C) */ 225 /* 0 = Mode 0 = Basic I/O */ 226 /* 1 = Mode 1 = Strobed I/O */ 227 /* D1 = Port B direction (1 = input)*/ 228 /* D0 = Port C (lower 4 bits) */ 229 /* direction. (1 = input) */ 230 231 /* So 91 means Basic I/O on all 3 ports,*/ 232 /* Port A is an input port, B is an */ 233 /* output port, C is split with upper */ 234 /* 4 bits being an output port and lower*/ 235 /* 4 bits an input port, and enable the */ 236 /* sucker. */ 237 /* Courtesy Intel 8255 databook. Lars */ 238 #define MSE_HOLD 0x80 239 #define MSE_RXLOW 0x00 240 #define MSE_RXHIGH 0x20 241 #define MSE_RYLOW 0x40 242 #define MSE_RYHIGH 0x60 243 #define MSE_DISINTR 0x10 244 #define MSE_INTREN 0x00 245 246 static int mse_probelogi(device_t dev, mse_softc_t *sc); 247 static void mse_disablelogi(bus_space_tag_t t, 248 bus_space_handle_t h); 249 static void mse_getlogi(bus_space_tag_t t, bus_space_handle_t h, 250 int *dx, int *dy, int *but); 251 static void mse_enablelogi(bus_space_tag_t t, 252 bus_space_handle_t h); 253 254 /* 255 * ATI Inport mouse definitions 256 */ 257 #define MSE_INPORT_RESET 0x80 258 #define MSE_INPORT_STATUS 0x00 259 #define MSE_INPORT_DX 0x01 260 #define MSE_INPORT_DY 0x02 261 #define MSE_INPORT_MODE 0x07 262 #define MSE_INPORT_HOLD 0x20 263 #define MSE_INPORT_INTREN 0x09 264 265 static int mse_probeati(device_t dev, mse_softc_t *sc); 266 static void mse_enableati(bus_space_tag_t t, bus_space_handle_t h); 267 static void mse_disableati(bus_space_tag_t t, bus_space_handle_t h); 268 static void mse_getati(bus_space_tag_t t, bus_space_handle_t h, 269 int *dx, int *dy, int *but); 270 #endif 271 272 #define MSEPRI (PZERO + 3) 273 274 /* 275 * Table of mouse types. 276 * Keep the Logitech last, since I haven't figured out how to probe it 277 * properly yet. (Someday I'll have the documentation.) 278 */ 279 static struct mse_types { 280 int m_type; /* Type of bus mouse */ 281 int (*m_probe)(device_t dev, mse_softc_t *sc); 282 /* Probe routine to test for it */ 283 void (*m_enable)(bus_space_tag_t t, bus_space_handle_t h); 284 /* Start routine */ 285 void (*m_disable)(bus_space_tag_t t, bus_space_handle_t h); 286 /* Disable interrupts routine */ 287 void (*m_get)(bus_space_tag_t t, bus_space_handle_t h, int *dx, 288 int *dy, int *but); 289 /* and get mouse status */ 290 mousehw_t m_hw; /* buttons iftype type model hwid */ 291 mousemode_t m_mode; /* proto rate res accel level size mask */ 292 } mse_types[] = { 293 #ifdef PC98 294 { MSE_98BUSMOUSE, 295 mse_probe98m, mse_enable98m, mse_disable98m, mse_get98m, 296 { 2, MOUSE_IF_BUS, MOUSE_MOUSE, MOUSE_MODEL_GENERIC, 0, }, 297 { MOUSE_PROTO_BUS, -1, -1, 0, 0, MOUSE_MSC_PACKETSIZE, 298 { MOUSE_MSC_SYNCMASK, MOUSE_MSC_SYNC, }, }, }, 299 #else 300 { MSE_ATIINPORT, 301 mse_probeati, mse_enableati, mse_disableati, mse_getati, 302 { 2, MOUSE_IF_INPORT, MOUSE_MOUSE, MOUSE_MODEL_GENERIC, 0, }, 303 { MOUSE_PROTO_INPORT, -1, -1, 0, 0, MOUSE_MSC_PACKETSIZE, 304 { MOUSE_MSC_SYNCMASK, MOUSE_MSC_SYNC, }, }, }, 305 { MSE_LOGITECH, 306 mse_probelogi, mse_enablelogi, mse_disablelogi, mse_getlogi, 307 { 2, MOUSE_IF_BUS, MOUSE_MOUSE, MOUSE_MODEL_GENERIC, 0, }, 308 { MOUSE_PROTO_BUS, -1, -1, 0, 0, MOUSE_MSC_PACKETSIZE, 309 { MOUSE_MSC_SYNCMASK, MOUSE_MSC_SYNC, }, }, }, 310 #endif 311 { 0, }, 312 }; 313 314 static int 315 mse_probe(dev) 316 device_t dev; 317 { 318 mse_softc_t *sc; 319 int error; 320 int rid; 321 int i; 322 323 /* check PnP IDs */ 324 error = ISA_PNP_PROBE(device_get_parent(dev), dev, mse_ids); 325 if (error == ENXIO) 326 return error; 327 328 sc = device_get_softc(dev); 329 rid = 0; 330 #ifdef PC98 331 sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, mse_port, 332 MSE_IOSIZE, RF_ACTIVE); 333 #else 334 sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 335 MSE_IOSIZE, RF_ACTIVE); 336 #endif 337 if (sc->sc_port == NULL) 338 return ENXIO; 339 #ifdef PC98 340 if (isa_load_resourcev(sc->sc_port, mse_port, MSE_IOSIZE)) { 341 bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); 342 return ENXIO; 343 } 344 #endif 345 sc->sc_iot = rman_get_bustag(sc->sc_port); 346 sc->sc_ioh = rman_get_bushandle(sc->sc_port); 347 348 /* 349 * Check for each mouse type in the table. 350 */ 351 i = 0; 352 while (mse_types[i].m_type) { 353 if ((*mse_types[i].m_probe)(dev, sc)) { 354 sc->sc_mousetype = mse_types[i].m_type; 355 sc->sc_enablemouse = mse_types[i].m_enable; 356 sc->sc_disablemouse = mse_types[i].m_disable; 357 sc->sc_getmouse = mse_types[i].m_get; 358 sc->hw = mse_types[i].m_hw; 359 sc->mode = mse_types[i].m_mode; 360 bus_release_resource(dev, SYS_RES_IOPORT, rid, 361 sc->sc_port); 362 device_set_desc(dev, "Bus/InPort Mouse"); 363 return 0; 364 } 365 i++; 366 } 367 bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); 368 return ENXIO; 369 } 370 371 static int 372 mse_attach(dev) 373 device_t dev; 374 { 375 mse_softc_t *sc; 376 int flags; 377 int unit; 378 int rid; 379 380 sc = device_get_softc(dev); 381 unit = device_get_unit(dev); 382 383 rid = 0; 384 #ifdef PC98 385 sc->sc_port = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, mse_port, 386 MSE_IOSIZE, RF_ACTIVE); 387 #else 388 sc->sc_port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 389 MSE_IOSIZE, RF_ACTIVE); 390 #endif 391 if (sc->sc_port == NULL) 392 return ENXIO; 393 #ifdef PC98 394 if (isa_load_resourcev(sc->sc_port, mse_port, MSE_IOSIZE)) { 395 bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); 396 return ENXIO; 397 } 398 #endif 399 sc->sc_intr = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 400 RF_ACTIVE); 401 if (sc->sc_intr == NULL) { 402 bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); 403 return ENXIO; 404 } 405 sc->sc_iot = rman_get_bustag(sc->sc_port); 406 sc->sc_ioh = rman_get_bushandle(sc->sc_port); 407 408 if (BUS_SETUP_INTR(device_get_parent(dev), dev, sc->sc_intr, 409 INTR_TYPE_TTY, mseintr, sc, &sc->sc_ih)) { 410 bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); 411 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->sc_intr); 412 return ENXIO; 413 } 414 415 flags = device_get_flags(dev); 416 sc->mode.accelfactor = (flags & MSE_CONFIG_ACCEL) >> 4; 417 callout_handle_init(&sc->sc_callout); 418 419 sc->sc_dev = make_dev(&mse_cdevsw, unit << 1, 0, 0, 0600, 420 "mse%d", unit); 421 sc->sc_ndev = make_dev(&mse_cdevsw, (unit<<1)+1, 0, 0, 0600, 422 "nmse%d", unit); 423 424 return 0; 425 } 426 427 static int 428 mse_detach(dev) 429 device_t dev; 430 { 431 mse_softc_t *sc; 432 int rid; 433 434 sc = device_get_softc(dev); 435 if (sc->sc_flags & MSESC_OPEN) 436 return EBUSY; 437 438 rid = 0; 439 BUS_TEARDOWN_INTR(device_get_parent(dev), dev, sc->sc_intr, sc->sc_ih); 440 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->sc_intr); 441 bus_release_resource(dev, SYS_RES_IOPORT, rid, sc->sc_port); 442 443 destroy_dev(sc->sc_dev); 444 destroy_dev(sc->sc_ndev); 445 446 return 0; 447 } 448 449 /* 450 * Exclusive open the mouse, initialize it and enable interrupts. 451 */ 452 static int 453 mseopen(dev, flags, fmt, td) 454 dev_t dev; 455 int flags; 456 int fmt; 457 struct thread *td; 458 { 459 mse_softc_t *sc; 460 int s; 461 462 sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev)); 463 if (sc == NULL) 464 return (ENXIO); 465 if (sc->sc_mousetype == MSE_NONE) 466 return (ENXIO); 467 if (sc->sc_flags & MSESC_OPEN) 468 return (EBUSY); 469 sc->sc_flags |= MSESC_OPEN; 470 sc->sc_obuttons = sc->sc_buttons = MOUSE_MSC_BUTTONS; 471 sc->sc_deltax = sc->sc_deltay = 0; 472 sc->sc_bytesread = sc->mode.packetsize = MOUSE_MSC_PACKETSIZE; 473 sc->sc_watchdog = FALSE; 474 sc->sc_callout = timeout(msetimeout, dev, hz*2); 475 sc->mode.level = 0; 476 sc->status.flags = 0; 477 sc->status.button = sc->status.obutton = 0; 478 sc->status.dx = sc->status.dy = sc->status.dz = 0; 479 480 /* 481 * Initialize mouse interface and enable interrupts. 482 */ 483 s = spltty(); 484 (*sc->sc_enablemouse)(sc->sc_iot, sc->sc_ioh); 485 splx(s); 486 return (0); 487 } 488 489 /* 490 * mseclose: just turn off mouse innterrupts. 491 */ 492 static int 493 mseclose(dev, flags, fmt, td) 494 dev_t dev; 495 int flags; 496 int fmt; 497 struct thread *td; 498 { 499 mse_softc_t *sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev)); 500 int s; 501 502 untimeout(msetimeout, dev, sc->sc_callout); 503 callout_handle_init(&sc->sc_callout); 504 s = spltty(); 505 (*sc->sc_disablemouse)(sc->sc_iot, sc->sc_ioh); 506 sc->sc_flags &= ~MSESC_OPEN; 507 splx(s); 508 return(0); 509 } 510 511 /* 512 * mseread: return mouse info using the MSC serial protocol, but without 513 * using bytes 4 and 5. 514 * (Yes this is cheesy, but it makes the X386 server happy, so...) 515 */ 516 static int 517 mseread(dev, uio, ioflag) 518 dev_t dev; 519 struct uio *uio; 520 int ioflag; 521 { 522 mse_softc_t *sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev)); 523 int xfer, s, error; 524 525 /* 526 * If there are no protocol bytes to be read, set up a new protocol 527 * packet. 528 */ 529 s = spltty(); /* XXX Should be its own spl, but where is imlXX() */ 530 if (sc->sc_bytesread >= sc->mode.packetsize) { 531 while (sc->sc_deltax == 0 && sc->sc_deltay == 0 && 532 (sc->sc_obuttons ^ sc->sc_buttons) == 0) { 533 if (MSE_NBLOCKIO(dev)) { 534 splx(s); 535 return (0); 536 } 537 sc->sc_flags |= MSESC_WANT; 538 error = tsleep((caddr_t)sc, MSEPRI | PCATCH, 539 "mseread", 0); 540 if (error) { 541 splx(s); 542 return (error); 543 } 544 } 545 546 /* 547 * Generate protocol bytes. 548 * For some reason X386 expects 5 bytes but never uses 549 * the fourth or fifth? 550 */ 551 sc->sc_bytes[0] = sc->mode.syncmask[1] 552 | (sc->sc_buttons & ~sc->mode.syncmask[0]); 553 if (sc->sc_deltax > 127) 554 sc->sc_deltax = 127; 555 if (sc->sc_deltax < -127) 556 sc->sc_deltax = -127; 557 sc->sc_deltay = -sc->sc_deltay; /* Otherwise mousey goes wrong way */ 558 if (sc->sc_deltay > 127) 559 sc->sc_deltay = 127; 560 if (sc->sc_deltay < -127) 561 sc->sc_deltay = -127; 562 sc->sc_bytes[1] = sc->sc_deltax; 563 sc->sc_bytes[2] = sc->sc_deltay; 564 sc->sc_bytes[3] = sc->sc_bytes[4] = 0; 565 sc->sc_bytes[5] = sc->sc_bytes[6] = 0; 566 sc->sc_bytes[7] = MOUSE_SYS_EXTBUTTONS; 567 sc->sc_obuttons = sc->sc_buttons; 568 sc->sc_deltax = sc->sc_deltay = 0; 569 sc->sc_bytesread = 0; 570 } 571 splx(s); 572 xfer = min(uio->uio_resid, sc->mode.packetsize - sc->sc_bytesread); 573 error = uiomove(&sc->sc_bytes[sc->sc_bytesread], xfer, uio); 574 if (error) 575 return (error); 576 sc->sc_bytesread += xfer; 577 return(0); 578 } 579 580 /* 581 * mseioctl: process ioctl commands. 582 */ 583 static int 584 mseioctl(dev, cmd, addr, flag, td) 585 dev_t dev; 586 u_long cmd; 587 caddr_t addr; 588 int flag; 589 struct thread *td; 590 { 591 mse_softc_t *sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev)); 592 mousestatus_t status; 593 int err = 0; 594 int s; 595 596 switch (cmd) { 597 598 case MOUSE_GETHWINFO: 599 s = spltty(); 600 *(mousehw_t *)addr = sc->hw; 601 if (sc->mode.level == 0) 602 ((mousehw_t *)addr)->model = MOUSE_MODEL_GENERIC; 603 splx(s); 604 break; 605 606 case MOUSE_GETMODE: 607 s = spltty(); 608 *(mousemode_t *)addr = sc->mode; 609 switch (sc->mode.level) { 610 case 0: 611 break; 612 case 1: 613 ((mousemode_t *)addr)->protocol = MOUSE_PROTO_SYSMOUSE; 614 ((mousemode_t *)addr)->syncmask[0] = MOUSE_SYS_SYNCMASK; 615 ((mousemode_t *)addr)->syncmask[1] = MOUSE_SYS_SYNC; 616 break; 617 } 618 splx(s); 619 break; 620 621 case MOUSE_SETMODE: 622 switch (((mousemode_t *)addr)->level) { 623 case 0: 624 case 1: 625 break; 626 default: 627 return (EINVAL); 628 } 629 if (((mousemode_t *)addr)->accelfactor < -1) 630 return (EINVAL); 631 else if (((mousemode_t *)addr)->accelfactor >= 0) 632 sc->mode.accelfactor = 633 ((mousemode_t *)addr)->accelfactor; 634 sc->mode.level = ((mousemode_t *)addr)->level; 635 switch (sc->mode.level) { 636 case 0: 637 sc->sc_bytesread = sc->mode.packetsize 638 = MOUSE_MSC_PACKETSIZE; 639 break; 640 case 1: 641 sc->sc_bytesread = sc->mode.packetsize 642 = MOUSE_SYS_PACKETSIZE; 643 break; 644 } 645 break; 646 647 case MOUSE_GETLEVEL: 648 *(int *)addr = sc->mode.level; 649 break; 650 651 case MOUSE_SETLEVEL: 652 switch (*(int *)addr) { 653 case 0: 654 sc->mode.level = *(int *)addr; 655 sc->sc_bytesread = sc->mode.packetsize 656 = MOUSE_MSC_PACKETSIZE; 657 break; 658 case 1: 659 sc->mode.level = *(int *)addr; 660 sc->sc_bytesread = sc->mode.packetsize 661 = MOUSE_SYS_PACKETSIZE; 662 break; 663 default: 664 return (EINVAL); 665 } 666 break; 667 668 case MOUSE_GETSTATUS: 669 s = spltty(); 670 status = sc->status; 671 sc->status.flags = 0; 672 sc->status.obutton = sc->status.button; 673 sc->status.button = 0; 674 sc->status.dx = 0; 675 sc->status.dy = 0; 676 sc->status.dz = 0; 677 splx(s); 678 *(mousestatus_t *)addr = status; 679 break; 680 681 case MOUSE_READSTATE: 682 case MOUSE_READDATA: 683 return (ENODEV); 684 685 #if (defined(MOUSE_GETVARS)) 686 case MOUSE_GETVARS: 687 case MOUSE_SETVARS: 688 return (ENODEV); 689 #endif 690 691 default: 692 return (ENOTTY); 693 } 694 return (err); 695 } 696 697 /* 698 * msepoll: check for mouse input to be processed. 699 */ 700 static int 701 msepoll(dev, events, td) 702 dev_t dev; 703 int events; 704 struct thread *td; 705 { 706 mse_softc_t *sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev)); 707 int s; 708 int revents = 0; 709 710 s = spltty(); 711 if (events & (POLLIN | POLLRDNORM)) { 712 if (sc->sc_bytesread != sc->mode.packetsize || 713 sc->sc_deltax != 0 || sc->sc_deltay != 0 || 714 (sc->sc_obuttons ^ sc->sc_buttons) != 0) 715 revents |= events & (POLLIN | POLLRDNORM); 716 else { 717 /* 718 * Since this is an exclusive open device, any previous 719 * proc pointer is trash now, so we can just assign it. 720 */ 721 selrecord(td, &sc->sc_selp); 722 } 723 } 724 splx(s); 725 return (revents); 726 } 727 728 /* 729 * msetimeout: watchdog timer routine. 730 */ 731 static void 732 msetimeout(arg) 733 void *arg; 734 { 735 dev_t dev; 736 mse_softc_t *sc; 737 738 dev = (dev_t)arg; 739 sc = devclass_get_softc(mse_devclass, MSE_UNIT(dev)); 740 if (sc->sc_watchdog) { 741 if (bootverbose) 742 printf("mse%d: lost interrupt?\n", MSE_UNIT(dev)); 743 mseintr(sc); 744 } 745 sc->sc_watchdog = TRUE; 746 sc->sc_callout = timeout(msetimeout, dev, hz); 747 } 748 749 /* 750 * mseintr: update mouse status. sc_deltax and sc_deltay are accumulative. 751 */ 752 static void 753 mseintr(arg) 754 void *arg; 755 { 756 /* 757 * the table to turn MouseSystem button bits (MOUSE_MSC_BUTTON?UP) 758 * into `mousestatus' button bits (MOUSE_BUTTON?DOWN). 759 */ 760 static int butmap[8] = { 761 0, 762 MOUSE_BUTTON3DOWN, 763 MOUSE_BUTTON2DOWN, 764 MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN, 765 MOUSE_BUTTON1DOWN, 766 MOUSE_BUTTON1DOWN | MOUSE_BUTTON3DOWN, 767 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN, 768 MOUSE_BUTTON1DOWN | MOUSE_BUTTON2DOWN | MOUSE_BUTTON3DOWN 769 }; 770 mse_softc_t *sc = arg; 771 int dx, dy, but; 772 int sign; 773 774 #ifdef DEBUG 775 static int mse_intrcnt = 0; 776 if((mse_intrcnt++ % 10000) == 0) 777 printf("mseintr\n"); 778 #endif /* DEBUG */ 779 if ((sc->sc_flags & MSESC_OPEN) == 0) 780 return; 781 782 (*sc->sc_getmouse)(sc->sc_iot, sc->sc_ioh, &dx, &dy, &but); 783 if (sc->mode.accelfactor > 0) { 784 sign = (dx < 0); 785 dx = dx * dx / sc->mode.accelfactor; 786 if (dx == 0) 787 dx = 1; 788 if (sign) 789 dx = -dx; 790 sign = (dy < 0); 791 dy = dy * dy / sc->mode.accelfactor; 792 if (dy == 0) 793 dy = 1; 794 if (sign) 795 dy = -dy; 796 } 797 sc->sc_deltax += dx; 798 sc->sc_deltay += dy; 799 sc->sc_buttons = but; 800 801 but = butmap[~but & MOUSE_MSC_BUTTONS]; 802 sc->status.dx += dx; 803 sc->status.dy += dy; 804 sc->status.flags |= ((dx || dy) ? MOUSE_POSCHANGED : 0) 805 | (sc->status.button ^ but); 806 sc->status.button = but; 807 808 sc->sc_watchdog = FALSE; 809 810 /* 811 * If mouse state has changed, wake up anyone wanting to know. 812 */ 813 if (sc->sc_deltax != 0 || sc->sc_deltay != 0 || 814 (sc->sc_obuttons ^ sc->sc_buttons) != 0) { 815 if (sc->sc_flags & MSESC_WANT) { 816 sc->sc_flags &= ~MSESC_WANT; 817 wakeup((caddr_t)sc); 818 } 819 selwakeup(&sc->sc_selp); 820 } 821 } 822 823 #ifndef PC98 824 /* 825 * Routines for the Logitech mouse. 826 */ 827 /* 828 * Test for a Logitech bus mouse and return 1 if it is. 829 * (until I know how to use the signature port properly, just disable 830 * interrupts and return 1) 831 */ 832 static int 833 mse_probelogi(dev, sc) 834 device_t dev; 835 mse_softc_t *sc; 836 { 837 838 int sig; 839 840 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSE_PORTD, MSE_SETUP); 841 /* set the signature port */ 842 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSE_PORTB, MSE_LOGI_SIG); 843 844 DELAY(30000); /* 30 ms delay */ 845 sig = bus_space_read_1(sc->sc_iot, sc->sc_ioh, MSE_PORTB) & 0xFF; 846 if (sig == MSE_LOGI_SIG) { 847 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MSE_PORTC, 848 MSE_DISINTR); 849 return(1); 850 } else { 851 if (bootverbose) 852 device_printf(dev, "wrong signature %x\n", sig); 853 return(0); 854 } 855 } 856 857 /* 858 * Initialize Logitech mouse and enable interrupts. 859 */ 860 static void 861 mse_enablelogi(tag, handle) 862 bus_space_tag_t tag; 863 bus_space_handle_t handle; 864 { 865 int dx, dy, but; 866 867 bus_space_write_1(tag, handle, MSE_PORTD, MSE_SETUP); 868 mse_getlogi(tag, handle, &dx, &dy, &but); 869 } 870 871 /* 872 * Disable interrupts for Logitech mouse. 873 */ 874 static void 875 mse_disablelogi(tag, handle) 876 bus_space_tag_t tag; 877 bus_space_handle_t handle; 878 { 879 880 bus_space_write_1(tag, handle, MSE_PORTC, MSE_DISINTR); 881 } 882 883 /* 884 * Get the current dx, dy and button up/down state. 885 */ 886 static void 887 mse_getlogi(tag, handle, dx, dy, but) 888 bus_space_tag_t tag; 889 bus_space_handle_t handle; 890 int *dx; 891 int *dy; 892 int *but; 893 { 894 register char x, y; 895 896 bus_space_write_1(tag, handle, MSE_PORTC, MSE_HOLD | MSE_RXLOW); 897 x = bus_space_read_1(tag, handle, MSE_PORTA); 898 *but = (x >> 5) & MOUSE_MSC_BUTTONS; 899 x &= 0xf; 900 bus_space_write_1(tag, handle, MSE_PORTC, MSE_HOLD | MSE_RXHIGH); 901 x |= (bus_space_read_1(tag, handle, MSE_PORTA) << 4); 902 bus_space_write_1(tag, handle, MSE_PORTC, MSE_HOLD | MSE_RYLOW); 903 y = (bus_space_read_1(tag, handle, MSE_PORTA) & 0xf); 904 bus_space_write_1(tag, handle, MSE_PORTC, MSE_HOLD | MSE_RYHIGH); 905 y |= (bus_space_read_1(tag, handle, MSE_PORTA) << 4); 906 *dx = x; 907 *dy = y; 908 bus_space_write_1(tag, handle, MSE_PORTC, MSE_INTREN); 909 } 910 911 /* 912 * Routines for the ATI Inport bus mouse. 913 */ 914 /* 915 * Test for a ATI Inport bus mouse and return 1 if it is. 916 * (do not enable interrupts) 917 */ 918 static int 919 mse_probeati(dev, sc) 920 device_t dev; 921 mse_softc_t *sc; 922 { 923 int i; 924 925 for (i = 0; i < 2; i++) 926 if (bus_space_read_1(sc->sc_iot, sc->sc_ioh, MSE_PORTC) == 0xde) 927 return (1); 928 return (0); 929 } 930 931 /* 932 * Initialize ATI Inport mouse and enable interrupts. 933 */ 934 static void 935 mse_enableati(tag, handle) 936 bus_space_tag_t tag; 937 bus_space_handle_t handle; 938 { 939 940 bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_RESET); 941 bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_MODE); 942 bus_space_write_1(tag, handle, MSE_PORTB, MSE_INPORT_INTREN); 943 } 944 945 /* 946 * Disable interrupts for ATI Inport mouse. 947 */ 948 static void 949 mse_disableati(tag, handle) 950 bus_space_tag_t tag; 951 bus_space_handle_t handle; 952 { 953 954 bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_MODE); 955 bus_space_write_1(tag, handle, MSE_PORTB, 0); 956 } 957 958 /* 959 * Get current dx, dy and up/down button state. 960 */ 961 static void 962 mse_getati(tag, handle, dx, dy, but) 963 bus_space_tag_t tag; 964 bus_space_handle_t handle; 965 int *dx; 966 int *dy; 967 int *but; 968 { 969 register char byte; 970 971 bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_MODE); 972 bus_space_write_1(tag, handle, MSE_PORTB, MSE_INPORT_HOLD); 973 bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_STATUS); 974 *but = ~bus_space_read_1(tag, handle, MSE_PORTB) & MOUSE_MSC_BUTTONS; 975 bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_DX); 976 byte = bus_space_read_1(tag, handle, MSE_PORTB); 977 *dx = byte; 978 bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_DY); 979 byte = bus_space_read_1(tag, handle, MSE_PORTB); 980 *dy = byte; 981 bus_space_write_1(tag, handle, MSE_PORTA, MSE_INPORT_MODE); 982 bus_space_write_1(tag, handle, MSE_PORTB, MSE_INPORT_INTREN); 983 } 984 #endif 985 986 #ifdef PC98 987 /* 988 * Routines for the PC98 bus mouse. 989 */ 990 991 /* 992 * Test for a PC98 bus mouse and return 1 if it is. 993 * (do not enable interrupts) 994 */ 995 static int 996 mse_probe98m(dev, sc) 997 device_t dev; 998 mse_softc_t *sc; 999 { 1000 /* mode set */ 1001 bus_space_write_1(sc->sc_iot, sc->sc_ioh, MODE, 0x93); 1002 1003 /* initialize */ 1004 /* INT disable */ 1005 bus_space_write_1(sc->sc_iot, sc->sc_ioh, INT, INT_DISABLE); 1006 /* HC = 0 */ 1007 bus_space_write_1(sc->sc_iot, sc->sc_ioh, HC, HC_NO_CLEAR); 1008 /* HC = 1 */ 1009 bus_space_write_1(sc->sc_iot, sc->sc_ioh, HC, HC_CLEAR); 1010 1011 return (1); 1012 } 1013 1014 /* 1015 * Initialize PC98 bus mouse and enable interrupts. 1016 */ 1017 static void 1018 mse_enable98m(tag, handle) 1019 bus_space_tag_t tag; 1020 bus_space_handle_t handle; 1021 { 1022 bus_space_write_1(tag, handle, INT, INT_ENABLE); /* INT enable */ 1023 bus_space_write_1(tag, handle, HC, HC_NO_CLEAR); /* HC = 0 */ 1024 bus_space_write_1(tag, handle, HC, HC_CLEAR); /* HC = 1 */ 1025 } 1026 1027 /* 1028 * Disable interrupts for PC98 Bus mouse. 1029 */ 1030 static void 1031 mse_disable98m(tag, handle) 1032 bus_space_tag_t tag; 1033 bus_space_handle_t handle; 1034 { 1035 bus_space_write_1(tag, handle, INT, INT_DISABLE); /* INT disable */ 1036 bus_space_write_1(tag, handle, HC, HC_NO_CLEAR); /* HC = 0 */ 1037 bus_space_write_1(tag, handle, HC, HC_CLEAR); /* HC = 1 */ 1038 } 1039 1040 /* 1041 * Get current dx, dy and up/down button state. 1042 */ 1043 static void 1044 mse_get98m(tag, handle, dx, dy, but) 1045 bus_space_tag_t tag; 1046 bus_space_handle_t handle; 1047 int *dx; 1048 int *dy; 1049 int *but; 1050 { 1051 register char x, y; 1052 1053 bus_space_write_1(tag, handle, INT, INT_DISABLE); /* INT disable */ 1054 1055 bus_space_write_1(tag, handle, HC, HC_CLEAR); /* HC = 1 */ 1056 1057 /* X low */ 1058 bus_space_write_1(tag, handle, MSE_PORTC, 0x90 | XL); 1059 x = bus_space_read_1(tag, handle, MSE_PORTA) & 0x0f; 1060 /* X high */ 1061 bus_space_write_1(tag, handle, MSE_PORTC, 0x90 | XH); 1062 x |= ((bus_space_read_1(tag, handle, MSE_PORTA) & 0x0f) << 4); 1063 1064 /* Y low */ 1065 bus_space_write_1(tag, handle, MSE_PORTC, 0x90 | YL); 1066 y = (bus_space_read_1(tag, handle, MSE_PORTA) & 0x0f); 1067 /* Y high */ 1068 bus_space_write_1(tag, handle, MSE_PORTC, 0x90 | YH); 1069 y |= ((bus_space_read_1(tag, handle, MSE_PORTA) & 0x0f) << 4); 1070 1071 *but = (bus_space_read_1(tag, handle, MSE_PORTA) >> 5) & 7; 1072 1073 *dx = x; 1074 *dy = y; 1075 1076 bus_space_write_1(tag, handle, HC, HC_NO_CLEAR); /* HC = 0 */ 1077 1078 bus_space_write_1(tag, handle, INT, INT_ENABLE); /* INT enable */ 1079 } 1080 #endif
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