| mse.c (46153) | mse.c (46568) |
|---|---|
| 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 * | 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 * $Id: mse.c,v 1.39 1998/10/22 05:58:39 bde Exp $ | 14 * $Id: mse.c,v 1.40 1999/04/28 10:52:43 dt Exp $ |
| 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. --- 500 unchanged lines hidden (view full) --- 523 int events; 524 struct proc *p; 525{ 526 register struct mse_softc *sc = &mse_sc[MSE_UNIT(dev)]; 527 int s; 528 int revents = 0; 529 530 s = spltty(); | 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. --- 500 unchanged lines hidden (view full) --- 523 int events; 524 struct proc *p; 525{ 526 register struct mse_softc *sc = &mse_sc[MSE_UNIT(dev)]; 527 int s; 528 int revents = 0; 529 530 s = spltty(); |
| 531 if (events & (POLLIN | POLLRDNORM)) | 531 if (events & (POLLIN | POLLRDNORM)) { |
| 532 if (sc->sc_bytesread != sc->mode.packetsize || 533 sc->sc_deltax != 0 || sc->sc_deltay != 0 || 534 (sc->sc_obuttons ^ sc->sc_buttons) != 0) 535 revents |= events & (POLLIN | POLLRDNORM); 536 else { 537 /* 538 * Since this is an exclusive open device, any previous 539 * proc pointer is trash now, so we can just assign it. 540 */ 541 selrecord(p, &sc->sc_selp); 542 } | 532 if (sc->sc_bytesread != sc->mode.packetsize || 533 sc->sc_deltax != 0 || sc->sc_deltay != 0 || 534 (sc->sc_obuttons ^ sc->sc_buttons) != 0) 535 revents |= events & (POLLIN | POLLRDNORM); 536 else { 537 /* 538 * Since this is an exclusive open device, any previous 539 * proc pointer is trash now, so we can just assign it. 540 */ 541 selrecord(p, &sc->sc_selp); 542 } |
| 543 | 543 } |
| 544 splx(s); 545 return (revents); 546} 547 548/* 549 * mseintr: update mouse status. sc_deltax and sc_deltay are accumulative. 550 */ 551static void --- 237 unchanged lines hidden --- | 544 splx(s); 545 return (revents); 546} 547 548/* 549 * mseintr: update mouse status. sc_deltax and sc_deltay are accumulative. 550 */ 551static void --- 237 unchanged lines hidden --- |