diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/i386/conf/GENERIC | 8 | ||||
| -rw-r--r-- | sys/arch/i386/isa/lms.c | 411 | ||||
| -rw-r--r-- | sys/arch/i386/isa/mms.c | 390 |
3 files changed, 1 insertions, 808 deletions
diff --git a/sys/arch/i386/conf/GENERIC b/sys/arch/i386/conf/GENERIC index 3a6325a05f4..7be754fd7b3 100644 --- a/sys/arch/i386/conf/GENERIC +++ b/sys/arch/i386/conf/GENERIC @@ -1,4 +1,4 @@ -# $OpenBSD: GENERIC,v 1.241 2001/02/20 04:13:21 nate Exp $ +# $OpenBSD: GENERIC,v 1.242 2001/02/20 23:04:06 jbm Exp $ # $NetBSD: GENERIC,v 1.48 1996/05/20 18:17:23 mrg Exp $ # # GENERIC -- everything that's currently supported @@ -178,12 +178,6 @@ mms1 at isa? port 0x238 irq 5 wsmouse* at lms? mux 0 wsmouse* at mms? mux 0 -# backwards compatible versions -#olms0 at isa? port 0x23c irq 5 # Logitech bus mouse -#olms1 at isa? port 0x238 irq 5 -#omms0 at isa? port 0x23c irq 5 # Microsoft InPort mouse -#omms1 at isa? port 0x238 irq 5 -#opms0 at pc? irq 12 # PS/2 auxiliary port mouse bt0 at isa? port 0x330 irq ? drq ? # BusLogic [57]4X SCSI controllers bt1 at isa? port 0x334 irq ? drq ? # BusLogic [57]4X SCSI controllers diff --git a/sys/arch/i386/isa/lms.c b/sys/arch/i386/isa/lms.c deleted file mode 100644 index 2a3f7ab990a..00000000000 --- a/sys/arch/i386/isa/lms.c +++ /dev/null @@ -1,411 +0,0 @@ -/* $OpenBSD: lms.c,v 1.14 2000/05/16 18:12:14 mickey Exp $ */ -/* $NetBSD: lms.c,v 1.30 1996/10/21 22:27:41 thorpej Exp $ */ - -/*- - * Copyright (c) 1993, 1994 Charles Hannum. - * Copyright (c) 1992, 1993 Erik Forsberg. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/param.h> -#include <sys/kernel.h> -#include <sys/systm.h> -#include <sys/buf.h> -#include <sys/malloc.h> -#include <sys/ioctl.h> -#include <sys/tty.h> -#include <sys/file.h> -#include <sys/select.h> -#include <sys/proc.h> -#include <sys/signalvar.h> -#include <sys/vnode.h> -#include <sys/device.h> - -#include <machine/cpu.h> -#include <machine/bus.h> -#include <machine/intr.h> -#include <machine/mouse.h> -#include <machine/conf.h> - -#include <dev/isa/isavar.h> -#include <dev/rndvar.h> - -#define LMS_DATA 0 /* offset for data port, read-only */ -#define LMS_SIGN 1 /* offset for signature port, read-write */ -#define LMS_INTR 2 /* offset for interrupt port, read-only */ -#define LMS_CNTRL 2 /* offset for control port, write-only */ -#define LMS_CONFIG 3 /* for configuration port, read-write */ -#define LMS_NPORTS 4 - -#define LMS_CHUNK 128 /* chunk size for read */ -#define LMS_BSIZE 1020 /* buffer size */ - -struct lms_softc { /* driver status information */ - struct device sc_dev; - void *sc_ih; - - bus_space_tag_t sc_iot; /* bus i/o space identifier */ - bus_space_handle_t sc_ioh; /* bus i/o handle */ - - struct clist sc_q; - struct selinfo sc_rsel; - struct proc *sc_io; /* process that opened lms (can get SIGIO) */ - char sc_async; /* send SIGIO on input ready */ - u_char sc_state; /* mouse driver state */ -#define LMS_OPEN 0x01 /* device is open */ -#define LMS_ASLP 0x02 /* waiting for mouse data */ - u_char sc_status; /* mouse button status */ - int sc_x, sc_y; /* accumulated motion in the X,Y axis */ -}; - -int lmsprobe __P((struct device *, void *, void *)); -void lmsattach __P((struct device *, struct device *, void *)); -int lmsintr __P((void *)); - -struct cfattach lms_ca = { - sizeof(struct lms_softc), lmsprobe, lmsattach -}; - -struct cfdriver lms_cd = { - NULL, "lms", DV_TTY -}; - -#define LMSUNIT(dev) (minor(dev)) - -int -lmsprobe(parent, match, aux) - struct device *parent; - void *match, *aux; -{ - struct isa_attach_args *ia = aux; - bus_space_tag_t iot = ia->ia_iot; - bus_space_handle_t ioh; - int rv; - - /* Map the i/o space. */ - if (bus_space_map(iot, ia->ia_iobase, LMS_NPORTS, 0, &ioh)) - return 0; - - rv = 0; - - /* Configure and check for port present. */ - bus_space_write_1(iot, ioh, LMS_CONFIG, 0x91); - delay(10); - bus_space_write_1(iot, ioh, LMS_SIGN, 0x0c); - delay(10); - if (bus_space_read_1(iot, ioh, LMS_SIGN) != 0x0c) - goto out; - bus_space_write_1(iot, ioh, LMS_SIGN, 0x50); - delay(10); - if (bus_space_read_1(iot, ioh, LMS_SIGN) != 0x50) - goto out; - - /* Disable interrupts. */ - bus_space_write_1(iot, ioh, LMS_CNTRL, 0x10); - - rv = 1; - ia->ia_iosize = LMS_NPORTS; - ia->ia_msize = 0; - -out: - bus_space_unmap(iot, ioh, LMS_NPORTS); - return rv; -} - -void -lmsattach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - struct lms_softc *sc = (void *)self; - struct isa_attach_args *ia = aux; - - printf("\n"); - - /* Other initialization was done by lmsprobe. */ - sc->sc_iot = ia->ia_iot; - if (bus_space_map(sc->sc_iot, ia->ia_iobase, LMS_NPORTS, 0, - &sc->sc_ioh)) - panic("lmsattach: couldn't map I/O ports"); - - sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_PULSE, - IPL_TTY, lmsintr, sc, sc->sc_dev.dv_xname); -} - -int -lmsopen(dev, flag, mode, p) - dev_t dev; - int flag; - int mode; - struct proc *p; -{ - int unit = LMSUNIT(dev); - struct lms_softc *sc; - - if (unit >= lms_cd.cd_ndevs) - return ENXIO; - sc = lms_cd.cd_devs[unit]; - if (!sc) - return ENXIO; - - if (sc->sc_state & LMS_OPEN) - return EBUSY; - - if (clalloc(&sc->sc_q, LMS_BSIZE, 0) == -1) - return ENOMEM; - - sc->sc_state |= LMS_OPEN; - sc->sc_status = 0; - sc->sc_x = sc->sc_y = 0; - sc->sc_async = 0; - sc->sc_io = p; - - /* Enable interrupts. */ - bus_space_write_1(sc->sc_iot, sc->sc_ioh, LMS_CNTRL, 0); - - return 0; -} - -int -lmsclose(dev, flag, mode, p) - dev_t dev; - int flag; - int mode; - struct proc *p; -{ - struct lms_softc *sc = lms_cd.cd_devs[LMSUNIT(dev)]; - - /* Disable interrupts. */ - bus_space_write_1(sc->sc_iot, sc->sc_ioh, LMS_CNTRL, 0x10); - - sc->sc_state &= ~LMS_OPEN; - sc->sc_io = NULL; - - clfree(&sc->sc_q); - - return 0; -} - -int -lmsread(dev, uio, flag) - dev_t dev; - struct uio *uio; - int flag; -{ - struct lms_softc *sc = lms_cd.cd_devs[LMSUNIT(dev)]; - int s; - int error = 0; - size_t length; - u_char buffer[LMS_CHUNK]; - - /* Block until mouse activity occured. */ - - s = spltty(); - while (sc->sc_q.c_cc == 0) { - if (flag & IO_NDELAY) { - splx(s); - return EWOULDBLOCK; - } - sc->sc_state |= LMS_ASLP; - error = tsleep((caddr_t)sc, PZERO | PCATCH, "lmsrea", 0); - if (error) { - sc->sc_state &= ~LMS_ASLP; - splx(s); - return error; - } - } - splx(s); - - /* Transfer as many chunks as possible. */ - - while (sc->sc_q.c_cc > 0 && uio->uio_resid > 0) { - length = min(sc->sc_q.c_cc, uio->uio_resid); - if (length > sizeof(buffer)) - length = sizeof(buffer); - - /* Remove a small chunk from the input queue. */ - (void) q_to_b(&sc->sc_q, buffer, length); - - /* Copy the data to the user process. */ - if ((error = uiomove(buffer, length, uio)) != 0) - break; - } - - return error; -} - -int -lmsioctl(dev, cmd, addr, flag, p) - dev_t dev; - u_long cmd; - caddr_t addr; - int flag; - struct proc *p; -{ - struct lms_softc *sc = lms_cd.cd_devs[LMSUNIT(dev)]; - struct mouseinfo info; - int s; - int error; - - switch (cmd) { - case FIONBIO: /* we will remove this someday (soon???) */ - return (0); - - case FIOASYNC: - sc->sc_async = *(int *)addr != 0; - break; - - case TIOCSPGRP: - if (*(int *)addr != sc->sc_io->p_pgid) - return (EPERM); - break; - - case MOUSEIOCREAD: - s = spltty(); - - info.status = sc->sc_status; - if (sc->sc_x || sc->sc_y) - info.status |= MOVEMENT; - - if (sc->sc_x > 127) - info.xmotion = 127; - else if (sc->sc_x < -127) - /* Bounding at -127 avoids a bug in XFree86. */ - info.xmotion = -127; - else - info.xmotion = sc->sc_x; - - if (sc->sc_y > 127) - info.ymotion = 127; - else if (sc->sc_y < -127) - info.ymotion = -127; - else - info.ymotion = sc->sc_y; - - /* Reset historical information. */ - sc->sc_x = sc->sc_y = 0; - sc->sc_status &= ~BUTCHNGMASK; - ndflush(&sc->sc_q, sc->sc_q.c_cc); - - splx(s); - error = copyout(&info, addr, sizeof(struct mouseinfo)); - break; - - case MOUSEIOCSRAW: - error = ENODEV; - break; - - case MOUSEIOCSCOOKED: /* Do nothing. */ - break; - - default: - error = EINVAL; - break; - } - - return error; -} - -int -lmsintr(arg) - void *arg; -{ - struct lms_softc *sc = arg; - bus_space_tag_t iot = sc->sc_iot; - bus_space_handle_t ioh = sc->sc_ioh; - u_char hi, lo, buttons, changed; - char dx, dy; - u_char buffer[5]; - - if ((sc->sc_state & LMS_OPEN) == 0) - /* Interrupts are not expected. */ - return 0; - - bus_space_write_1(iot, ioh, LMS_CNTRL, 0xab); - hi = bus_space_read_1(iot, ioh, LMS_DATA); - bus_space_write_1(iot, ioh, LMS_CNTRL, 0x90); - lo = bus_space_read_1(iot, ioh, LMS_DATA); - dx = ((hi & 0x0f) << 4) | (lo & 0x0f); - /* Bounding at -127 avoids a bug in XFree86. */ - dx = (dx == -128) ? -127 : dx; - - bus_space_write_1(iot, ioh, LMS_CNTRL, 0xf0); - hi = bus_space_read_1(iot, ioh, LMS_DATA); - bus_space_write_1(iot, ioh, LMS_CNTRL, 0xd0); - lo = bus_space_read_1(iot, ioh, LMS_DATA); - dy = ((hi & 0x0f) << 4) | (lo & 0x0f); - dy = (dy == -128) ? 127 : -dy; - - bus_space_write_1(iot, ioh, LMS_CNTRL, 0); - - buttons = (~hi >> 5) & 0x07; - changed = ((buttons ^ sc->sc_status) & 0x07) << 3; - sc->sc_status = buttons | (sc->sc_status & ~BUTSTATMASK) | changed; - - if (dx || dy || changed) { - /* Update accumulated movements. */ - sc->sc_x += dx; - sc->sc_y += dy; - - /* Add this event to the queue. */ - buffer[0] = 0x80 | (buttons ^ BUTSTATMASK); - buffer[1] = dx; - buffer[2] = dy; - buffer[3] = buffer[4] = 0; - (void) b_to_q(buffer, sizeof buffer, &sc->sc_q); - add_mouse_randomness(*(u_int32_t*)buffer); - - if (sc->sc_state & LMS_ASLP) { - sc->sc_state &= ~LMS_ASLP; - wakeup((caddr_t)sc); - } - selwakeup(&sc->sc_rsel); - if (sc->sc_async) { - psignal(sc->sc_io, SIGIO); - } - - } - - return -1; -} - -int -lmsselect(dev, rw, p) - dev_t dev; - int rw; - struct proc *p; -{ - struct lms_softc *sc = lms_cd.cd_devs[LMSUNIT(dev)]; - int s; - int ret; - - if (rw == FWRITE) - return 0; - - s = spltty(); - if (!sc->sc_q.c_cc) { - selrecord(p, &sc->sc_rsel); - ret = 0; - } else - ret = 1; - splx(s); - - return ret; -} diff --git a/sys/arch/i386/isa/mms.c b/sys/arch/i386/isa/mms.c deleted file mode 100644 index fff15ea2b85..00000000000 --- a/sys/arch/i386/isa/mms.c +++ /dev/null @@ -1,390 +0,0 @@ -/* $OpenBSD: mms.c,v 1.12 2000/05/16 18:12:14 mickey Exp $ */ -/* $NetBSD: mms.c,v 1.24 1996/05/12 23:12:18 mycroft Exp $ */ - -/*- - * Copyright (c) 1993, 1994 Charles Hannum. - * Copyright (c) 1992, 1993 Erik Forsberg. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include <sys/param.h> -#include <sys/kernel.h> -#include <sys/systm.h> -#include <sys/buf.h> -#include <sys/malloc.h> -#include <sys/ioctl.h> -#include <sys/tty.h> -#include <sys/file.h> -#include <sys/select.h> -#include <sys/proc.h> -#include <sys/signalvar.h> -#include <sys/vnode.h> -#include <sys/device.h> - -#include <machine/cpu.h> -#include <machine/intr.h> -#include <machine/pio.h> -#include <machine/mouse.h> -#include <machine/conf.h> - -#include <dev/isa/isavar.h> -#include <dev/rndvar.h> - -#define MMS_ADDR 0 /* offset for register select */ -#define MMS_DATA 1 /* offset for InPort data */ -#define MMS_IDENT 2 /* offset for identification register */ -#define MMS_NPORTS 4 - -#define MMS_CHUNK 128 /* chunk size for read */ -#define MMS_BSIZE 1020 /* buffer size */ - -struct mms_softc { /* driver status information */ - struct device sc_dev; - void *sc_ih; - - struct clist sc_q; - struct selinfo sc_rsel; - struct proc *sc_io; /* process that opened mms (can get SIGIO) */ - char sc_async; /* send SIGIO on input ready */ - int sc_iobase; /* I/O port base */ - u_char sc_state; /* mouse driver state */ -#define MMS_OPEN 0x01 /* device is open */ -#define MMS_ASLP 0x02 /* waiting for mouse data */ - u_char sc_status; /* mouse button status */ - int sc_x, sc_y; /* accumulated motion in the X,Y axis */ -}; - -int mmsprobe __P((struct device *, void *, void *)); -void mmsattach __P((struct device *, struct device *, void *)); -int mmsintr __P((void *)); - -struct cfattach mms_ca = { - sizeof(struct mms_softc), mmsprobe, mmsattach -}; - -struct cfdriver mms_cd = { - NULL, "mms", DV_TTY -}; - -#define MMSUNIT(dev) (minor(dev)) - -int -mmsprobe(parent, match, aux) - struct device *parent; - void *match, *aux; -{ - struct isa_attach_args *ia = aux; - int iobase = ia->ia_iobase; - - /* Read identification register to see if present */ - if (inb(iobase + MMS_IDENT) != 0xde) - return 0; - - /* Seems it was there; reset. */ - outb(iobase + MMS_ADDR, 0x87); - - ia->ia_iosize = MMS_NPORTS; - ia->ia_msize = 0; - return 1; -} - -void -mmsattach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - struct mms_softc *sc = (void *)self; - struct isa_attach_args *ia = aux; - int iobase = ia->ia_iobase; - - printf("\n"); - - /* Other initialization was done by mmsprobe. */ - sc->sc_iobase = iobase; - sc->sc_state = 0; - - sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_PULSE, - IPL_TTY, mmsintr, sc, sc->sc_dev.dv_xname); -} - -int -mmsopen(dev, flag, mode, p) - dev_t dev; - int flag; - int mode; - struct proc *p; -{ - int unit = MMSUNIT(dev); - struct mms_softc *sc; - - if (unit >= mms_cd.cd_ndevs) - return ENXIO; - sc = mms_cd.cd_devs[unit]; - if (!sc) - return ENXIO; - - if (sc->sc_state & MMS_OPEN) - return EBUSY; - - if (clalloc(&sc->sc_q, MMS_BSIZE, 0) == -1) - return ENOMEM; - - sc->sc_state |= MMS_OPEN; - sc->sc_status = 0; - sc->sc_x = sc->sc_y = 0; - sc->sc_async = 0; - sc->sc_io = p; - - /* Enable interrupts. */ - outb(sc->sc_iobase + MMS_ADDR, 0x07); - outb(sc->sc_iobase + MMS_DATA, 0x09); - - return 0; -} - -int -mmsclose(dev, flag, mode, p) - dev_t dev; - int flag; - int mode; - struct proc *p; -{ - struct mms_softc *sc = mms_cd.cd_devs[MMSUNIT(dev)]; - - /* Disable interrupts. */ - outb(sc->sc_iobase + MMS_ADDR, 0x87); - - sc->sc_state &= ~MMS_OPEN; - sc->sc_io = NULL; - - clfree(&sc->sc_q); - - return 0; -} - -int -mmsread(dev, uio, flag) - dev_t dev; - struct uio *uio; - int flag; -{ - struct mms_softc *sc = mms_cd.cd_devs[MMSUNIT(dev)]; - int s; - int error = 0; - size_t length; - u_char buffer[MMS_CHUNK]; - - /* Block until mouse activity occured. */ - - s = spltty(); - while (sc->sc_q.c_cc == 0) { - if (flag & IO_NDELAY) { - splx(s); - return EWOULDBLOCK; - } - sc->sc_state |= MMS_ASLP; - error = tsleep((caddr_t)sc, PZERO | PCATCH, "mmsrea", 0); - if (error) { - sc->sc_state &= ~MMS_ASLP; - splx(s); - return error; - } - } - splx(s); - - /* Transfer as many chunks as possible. */ - - while (sc->sc_q.c_cc > 0 && uio->uio_resid > 0) { - length = min(sc->sc_q.c_cc, uio->uio_resid); - if (length > sizeof(buffer)) - length = sizeof(buffer); - - /* Remove a small chunk from the input queue. */ - (void) q_to_b(&sc->sc_q, buffer, length); - - /* Copy the data to the user process. */ - if ((error = uiomove(buffer, length, uio)) != 0) - break; - } - - return error; -} - -int -mmsioctl(dev, cmd, addr, flag, p) - dev_t dev; - u_long cmd; - caddr_t addr; - int flag; - struct proc *p; -{ - struct mms_softc *sc = mms_cd.cd_devs[MMSUNIT(dev)]; - struct mouseinfo info; - int s; - int error; - - switch (cmd) { - case FIONBIO: /* we will remove this someday (soon???) */ - return (0); - - case FIOASYNC: - sc->sc_async = *(int *)addr != 0; - break; - - case TIOCSPGRP: - if (*(int *)addr != sc->sc_io->p_pgid) - return (EPERM); - break; - - case MOUSEIOCREAD: - s = spltty(); - - info.status = sc->sc_status; - if (sc->sc_x || sc->sc_y) - info.status |= MOVEMENT; - - if (sc->sc_x > 127) - info.xmotion = 127; - else if (sc->sc_x < -127) - /* Bounding at -127 avoids a bug in XFree86. */ - info.xmotion = -127; - else - info.xmotion = sc->sc_x; - - if (sc->sc_y > 127) - info.ymotion = 127; - else if (sc->sc_y < -127) - info.ymotion = -127; - else - info.ymotion = sc->sc_y; - - /* Reset historical information. */ - sc->sc_x = sc->sc_y = 0; - sc->sc_status &= ~BUTCHNGMASK; - ndflush(&sc->sc_q, sc->sc_q.c_cc); - - splx(s); - error = copyout(&info, addr, sizeof(struct mouseinfo)); - break; - - case MOUSEIOCSRAW: - error = ENODEV; - break; - - case MOUSEIOCSCOOKED: /* Do nothing. */ - break; - - default: - error = EINVAL; - break; - } - - return error; -} - -int -mmsintr(arg) - void *arg; -{ - struct mms_softc *sc = arg; - int iobase = sc->sc_iobase; - u_char buttons, changed, status; - char dx, dy; - u_char buffer[5]; - - if ((sc->sc_state & MMS_OPEN) == 0) - /* Interrupts are not expected. */ - return 0; - - /* Freeze InPort registers (disabling interrupts). */ - outb(iobase + MMS_ADDR, 0x07); - outb(iobase + MMS_DATA, 0x29); - - outb(iobase + MMS_ADDR, 0x00); - status = inb(iobase + MMS_DATA); - - if (status & 0x40) { - outb(iobase + MMS_ADDR, 1); - dx = inb(iobase + MMS_DATA); - dx = (dx == -128) ? -127 : dx; - outb(iobase + MMS_ADDR, 2); - dy = inb(iobase + MMS_DATA); - dy = (dy == -128) ? 127 : -dy; - } else - dx = dy = 0; - - /* Unfreeze InPort registers (reenabling interrupts). */ - outb(iobase + MMS_ADDR, 0x07); - outb(iobase + MMS_DATA, 0x09); - - buttons = status & BUTSTATMASK; - changed = status & BUTCHNGMASK; - sc->sc_status = buttons | (sc->sc_status & ~BUTSTATMASK) | changed; - - if (dx || dy || changed) { - /* Update accumulated movements. */ - sc->sc_x += dx; - sc->sc_y += dy; - - /* Add this event to the queue. */ - buffer[0] = 0x80 | (buttons ^ BUTSTATMASK); - buffer[1] = dx; - buffer[2] = dy; - buffer[3] = buffer[4] = 0; - (void) b_to_q(buffer, sizeof buffer, &sc->sc_q); - add_mouse_randomness(*(u_int32_t*)buffer); - - if (sc->sc_state & MMS_ASLP) { - sc->sc_state &= ~MMS_ASLP; - wakeup((caddr_t)sc); - } - selwakeup(&sc->sc_rsel); - if (sc->sc_async) { - psignal(sc->sc_io, SIGIO); - } - - } - - return -1; -} - -int -mmsselect(dev, rw, p) - dev_t dev; - int rw; - struct proc *p; -{ - struct mms_softc *sc = mms_cd.cd_devs[MMSUNIT(dev)]; - int s; - int ret; - - if (rw == FWRITE) - return 0; - - s = spltty(); - if (!sc->sc_q.c_cc) { - selrecord(p, &sc->sc_rsel); - ret = 0; - } else - ret = 1; - splx(s); - - return ret; -} |