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add power hook to PS/2 mouse driver; some mobile PCs has 

unstable pointer, it arbitrarily awake the machine from standby state.
to prevent it, we need to stop the mouse controller before sleeping.
This commit is contained in:
tshiozak 2001-09-13 14:16:12 +00:00
parent 5341bac833
commit 1a1c09790a
1 changed files with 62 additions and 15 deletions
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77
sys/dev/pckbc/psm.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: psm.c,v 1.11 2000/06/05 22:20:57 sommerfeld Exp $ */
/* $NetBSD: psm.c,v 1.12 2001/09/13 14:16:12 tshiozak Exp $ */
/*-
* Copyright (c) 1994 Charles M. Hannum.
@ -44,6 +44,7 @@ struct pms_softc { /* driver status information */
int sc_kbcslot;
int sc_enabled; /* input enabled? */
void *sc_powerhook; /* cookie from power hook */
int inputstate;
u_int buttons, oldbuttons; /* mouse button status */
signed char dx;
@ -59,9 +60,12 @@ struct cfattach pms_ca = {
sizeof(struct pms_softc), pmsprobe, pmsattach,
};
static void do_enable __P((struct pms_softc *));
static void do_disable __P((struct pms_softc *));
int pms_enable __P((void *));
int pms_ioctl __P((void *, u_long, caddr_t, int, struct proc *));
void pms_disable __P((void *));
void pms_power __P((int, void *));
const struct wsmouse_accessops pms_accessops = {
pms_enable,
@ -162,20 +166,17 @@ pmsattach(parent, self, aux)
if (res)
printf("pmsattach: disable error\n");
pckbc_slot_enable(sc->sc_kbctag, sc->sc_kbcslot, 0);
sc->sc_powerhook = powerhook_establish(pms_power, sc);
}
int
pms_enable(v)
void *v;
static void
do_enable(sc)
struct pms_softc *sc;
{
struct pms_softc *sc = v;
u_char cmd[1];
int res;
if (sc->sc_enabled)
return EBUSY;
sc->sc_enabled = 1;
sc->inputstate = 0;
sc->oldbuttons = 0;
@ -210,15 +211,12 @@ pms_enable(v)
printf("pms_enable: setup error3 (%d)\n", res);
}
#endif
return 0;
}
void
pms_disable(v)
void *v;
static void
do_disable(sc)
struct pms_softc *sc;
{
struct pms_softc *sc = v;
u_char cmd[1];
int res;
@ -228,10 +226,59 @@ pms_disable(v)
printf("pms_disable: command error\n");
pckbc_slot_enable(sc->sc_kbctag, sc->sc_kbcslot, 0);
}
int
pms_enable(v)
void *v;
{
struct pms_softc *sc = v;
if (sc->sc_enabled)
return EBUSY;
sc->sc_enabled = 1;
do_enable(sc);
return 0;
}
void
pms_disable(v)
void *v;
{
struct pms_softc *sc = v;
do_disable(sc);
sc->sc_enabled = 0;
}
void
pms_power(why, v)
int why;
void *v;
{
struct pms_softc *sc = v;
switch (why) {
case PWR_SUSPEND:
case PWR_STANDBY:
if (sc->sc_enabled)
do_disable(sc);
break;
case PWR_RESUME:
if (sc->sc_enabled)
do_enable(sc);
case PWR_SOFTSUSPEND:
case PWR_SOFTSTANDBY:
case PWR_SOFTRESUME:
break;
}
}
int
pms_ioctl(v, cmd, data, flag, p)
void *v;