diff options
Diffstat (limited to 'sys/arch/i386/isa')
| -rw-r--r-- | sys/arch/i386/isa/lms.c | 24 | ||||
| -rw-r--r-- | sys/arch/i386/isa/mms.c | 24 |
2 files changed, 46 insertions, 2 deletions
diff --git a/sys/arch/i386/isa/lms.c b/sys/arch/i386/isa/lms.c index 0c4c31d51a9..a9420dab1c9 100644 --- a/sys/arch/i386/isa/lms.c +++ b/sys/arch/i386/isa/lms.c @@ -1,4 +1,4 @@ -/* $OpenBSD: lms.c,v 1.12 1999/08/22 08:16:20 downsj Exp $ */ +/* $OpenBSD: lms.c,v 1.13 1999/11/22 07:25:38 matthieu Exp $ */ /* $NetBSD: lms.c,v 1.30 1996/10/21 22:27:41 thorpej Exp $ */ /*- @@ -34,6 +34,7 @@ #include <sys/file.h> #include <sys/select.h> #include <sys/proc.h> +#include <sys/signalvar.h> #include <sys/vnode.h> #include <sys/device.h> @@ -64,6 +65,8 @@ struct lms_softc { /* driver status information */ 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 */ @@ -170,6 +173,8 @@ lmsopen(dev, flag, mode, p) 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); @@ -190,6 +195,7 @@ lmsclose(dev, flag, mode, p) 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); @@ -258,6 +264,18 @@ lmsioctl(dev, cmd, addr, flag, p) 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(); @@ -357,6 +375,10 @@ lmsintr(arg) wakeup((caddr_t)sc); } selwakeup(&sc->sc_rsel); + if (sc->sc_async) { + psignal(sc->sc_io, SIGIO); + } + } return -1; diff --git a/sys/arch/i386/isa/mms.c b/sys/arch/i386/isa/mms.c index 391d523655c..da173f02bf9 100644 --- a/sys/arch/i386/isa/mms.c +++ b/sys/arch/i386/isa/mms.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mms.c,v 1.10 1999/08/22 08:16:20 downsj Exp $ */ +/* $OpenBSD: mms.c,v 1.11 1999/11/22 07:26:04 matthieu Exp $ */ /* $NetBSD: mms.c,v 1.24 1996/05/12 23:12:18 mycroft Exp $ */ /*- @@ -34,6 +34,7 @@ #include <sys/file.h> #include <sys/select.h> #include <sys/proc.h> +#include <sys/signalvar.h> #include <sys/vnode.h> #include <sys/device.h> @@ -59,6 +60,8 @@ struct mms_softc { /* driver status information */ 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 */ @@ -145,6 +148,8 @@ mmsopen(dev, flag, mode, p) 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); @@ -166,6 +171,7 @@ mmsclose(dev, flag, mode, p) outb(sc->sc_iobase + MMS_ADDR, 0x87); sc->sc_state &= ~MMS_OPEN; + sc->sc_io = NULL; clfree(&sc->sc_q); @@ -234,6 +240,18 @@ mmsioctl(dev, cmd, addr, flag, p) 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(); @@ -336,6 +354,10 @@ mmsintr(arg) wakeup((caddr_t)sc); } selwakeup(&sc->sc_rsel); + if (sc->sc_async) { + psignal(sc->sc_io, SIGIO); + } + } return -1; |