diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-24 10:16:50 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-24 10:16:50 +0000 |
| commit | 2d52ee0dde490079425bf1980fcd8e8d600c2073 (patch) | |
| tree | 8d1300b445e69ef0267326200c00830745038d2b /sys/arch/sparc/dev/pfour.c | |
| parent | 978548ddeb7b97fe47229240a9efd7dda0b2a408 (diff) | |
pfour bwtwo blanking control
Diffstat (limited to 'sys/arch/sparc/dev/pfour.c')
| -rw-r--r-- | sys/arch/sparc/dev/pfour.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/sys/arch/sparc/dev/pfour.c b/sys/arch/sparc/dev/pfour.c index 78c3ccb722d..48d555b3773 100644 --- a/sys/arch/sparc/dev/pfour.c +++ b/sys/arch/sparc/dev/pfour.c @@ -50,10 +50,9 @@ #include <sparc/sparc/vaddrs.h> #include <sparc/dev/pfourreg.h> -volatile int *pfour_vaddr; /* pfour register */ - struct pfour_softc { struct device sc_dev; /* base device */ + volatile u_long *sc_vaddr; /* pfour register */ int nothing; }; @@ -106,7 +105,7 @@ pfourattach(parent, self, args) return; } - pfour_vaddr = mapiodev((caddr_t)(ca->ca_ra.ra_paddr + PFOUR_REG), + sc->sc_vaddr = mapiodev((caddr_t)(ca->ca_ra.ra_paddr + PFOUR_REG), NBPG, ca->ca_bustype); printf(": cardtype 0x%02x\n", PFOUR_FBTYPE(val)); @@ -140,8 +139,11 @@ pfourattach(parent, self, args) void pfour_reset() { - *pfour_vaddr = PFOUR_REG_VIDEO | PFOUR_REG_RESET; - *pfour_vaddr = PFOUR_REG_VIDEO; + struct pfour_softc *sc = pfourcd.cd_devs[0]; + + *sc->sc_vaddr = PFOUR_REG_VIDEO | PFOUR_REG_RESET; + delay(1); + *sc->sc_vaddr = PFOUR_REG_VIDEO; } int @@ -187,3 +189,23 @@ pfour_videosize(reg, xp, yp) } return (0); } + +void +pfourenable(on) + int on; +{ + struct pfour_softc *sc = pfourcd.cd_devs[0]; + + if (on) + *sc->sc_vaddr |= PFOUR_REG_VIDEO; + else + *sc->sc_vaddr &= ~PFOUR_REG_VIDEO; +} + +int +pfourstatus() +{ + struct pfour_softc *sc = pfourcd.cd_devs[0]; + + return (*sc->sc_vaddr & PFOUR_REG_VIDEO); +} |