diff options
Diffstat (limited to 'sys/arch/sparc/dev/cgthree.c')
| -rw-r--r-- | sys/arch/sparc/dev/cgthree.c | 47 |
1 files changed, 39 insertions, 8 deletions
diff --git a/sys/arch/sparc/dev/cgthree.c b/sys/arch/sparc/dev/cgthree.c index 1599048c61d..b978af5fde4 100644 --- a/sys/arch/sparc/dev/cgthree.c +++ b/sys/arch/sparc/dev/cgthree.c @@ -1,4 +1,5 @@ -/* $NetBSD: cgthree.c,v 1.27 1996/04/01 17:30:03 christos Exp $ */ +/* $OpenBSD: cgthree.c,v 1.6 1997/08/08 08:24:53 downsj Exp $ */ +/* $NetBSD: cgthree.c,v 1.33 1997/05/24 20:16:11 pk Exp $ */ /* * Copyright (c) 1992, 1993 @@ -90,12 +91,11 @@ struct cgthree_softc { /* autoconfiguration driver */ static void cgthreeattach(struct device *, struct device *, void *); static int cgthreematch(struct device *, void *, void *); -int cgthreeopen __P((dev_t, int, int, struct proc *)); -int cgthreeclose __P((dev_t, int, int, struct proc *)); -int cgthreeioctl __P((dev_t, u_long, caddr_t, int, struct proc *)); -int cgthreemmap __P((dev_t, int, int)); static void cgthreeunblank(struct device *); +/* cdevsw prototypes */ +cdev_decl(cgthree); + struct cfattach cgthree_ca = { sizeof(struct cgthree_softc), cgthreematch, cgthreeattach }; @@ -116,6 +116,20 @@ static void cgthreeloadcmap __P((struct cgthree_softc *, int, int)); static void cgthree_set_video __P((struct cgthree_softc *, int)); static int cgthree_get_video __P((struct cgthree_softc *)); +/* Video control parameters */ +struct cg3_videoctrl { + unsigned char sense; /* Monitor sense value */ + unsigned char vctrl[12]; +} cg3_videoctrl[] = { +/* Missing entries: sense 0x10, 0x30, 0x50 */ + { 0x40, /* this happens to be my 19'' 1152x900 gray-scale monitor */ + {0xbb, 0x2b, 0x3, 0xb, 0xb3, 0x3, 0xaf, 0x2b, 0x2, 0xa, 0xff, 0x1} + }, + { 0x00, /* default? must be last */ + {0xbb, 0x2b, 0x3, 0xb, 0xb3, 0x3, 0xaf, 0x2b, 0x2, 0xa, 0xff, 0x1} + } +}; + /* * Match a cgthree. */ @@ -206,11 +220,28 @@ cgthreeattach(parent, self, args) if ((sc->sc_fb.fb_pixels = ca->ca_ra.ra_vaddr) == NULL && isconsole) { /* this probably cannot happen, but what the heck */ sc->sc_fb.fb_pixels = mapiodev(ca->ca_ra.ra_reg, CG3REG_MEM, - ramsize, ca->ca_bustype); + ramsize); } sc->sc_fbc = (volatile struct fbcontrol *) mapiodev(ca->ca_ra.ra_reg, CG3REG_REG, - sizeof(struct fbcontrol), ca->ca_bustype); + sizeof(struct fbcontrol)); + + /* Transfer video magic to board, if it's not running */ + if ((sc->sc_fbc->fbc_ctrl & FBC_TIMING) == 0) + for (i = 0; i < sizeof(cg3_videoctrl)/sizeof(cg3_videoctrl[0]); + i++) { + volatile struct fbcontrol *fbc = sc->sc_fbc; + if ((fbc->fbc_status & FBS_MSENSE) == + cg3_videoctrl[i].sense) { + int j; + printf(" setting video ctrl"); + for (j = 0; j < 12; j++) + fbc->fbc_vcontrol[j] = + cg3_videoctrl[i].vctrl[j]; + fbc->fbc_ctrl |= FBC_TIMING; + break; + } + } sc->sc_phys = ca->ca_ra.ra_reg[0]; sc->sc_bustype = ca->ca_bustype; @@ -408,5 +439,5 @@ cgthreemmap(dev, off, prot) * I turned on PMAP_NC here to disable the cache as I was * getting horribly broken behaviour with it on. */ - return (REG2PHYS(&sc->sc_phys, CG3REG_MEM+off, sc->sc_bustype) | PMAP_NC); + return (REG2PHYS(&sc->sc_phys, CG3REG_MEM+off) | PMAP_NC); } |