diff options
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/arch/sparc/dev/tcx.c | 57 |
1 files changed, 26 insertions, 31 deletions
diff --git a/sys/arch/sparc/dev/tcx.c b/sys/arch/sparc/dev/tcx.c index 3fad0439f34..fbdb9cad6f9 100644 --- a/sys/arch/sparc/dev/tcx.c +++ b/sys/arch/sparc/dev/tcx.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcx.c,v 1.17 2003/06/06 19:42:47 miod Exp $ */ +/* $OpenBSD: tcx.c,v 1.18 2003/06/15 21:04:11 miod Exp $ */ /* $NetBSD: tcx.c,v 1.8 1997/07/29 09:58:14 fair Exp $ */ /* @@ -63,9 +63,6 @@ /* * color display (TCX) driver. - * - * XXX Use of the vertical retrace interrupt to update the colormap is not - * enabled by default, as it hangs the system on some machines. */ #include <sys/param.h> @@ -274,11 +271,9 @@ tcxattach(parent, self, args) tcx_stdscreen.ncols = sc->sc_sunfb.sf_ro.ri_cols; tcx_stdscreen.textops = &sc->sc_sunfb.sf_ro.ri_ops; -#if 0 sc->sc_ih.ih_fun = tcx_intr; sc->sc_ih.ih_arg = sc; intr_establish(ca->ca_ra.ra_intr[0].int_pri, &sc->sc_ih, IPL_FB); -#endif if (isconsole) { fbwscons_console_init(&sc->sc_sunfb, &tcx_stdscreen, -1, @@ -342,21 +337,21 @@ tcx_ioctl(dev, cmd, data, flags, p) break; case WSDISPLAYIO_GETCMAP: - cm = (struct wsdisplay_cmap *)data; - error = bt_getcmap(&sc->sc_cmap, cm); - if (error) - return (error); + if (sc->sc_cplane == NULL) { + cm = (struct wsdisplay_cmap *)data; + error = bt_getcmap(&sc->sc_cmap, cm); + if (error) + return (error); + } break; case WSDISPLAYIO_PUTCMAP: - cm = (struct wsdisplay_cmap *)data; - error = bt_putcmap(&sc->sc_cmap, cm); - if (error) - return (error); -#if 0 - tcx_loadcmap_deferred(sc, cm->index, cm->count); -#else - bt_loadcmap(&sc->sc_cmap, sc->sc_bt, cm->index, cm->count, 1); -#endif + if (sc->sc_cplane == NULL) { + cm = (struct wsdisplay_cmap *)data; + error = bt_putcmap(&sc->sc_cmap, cm); + if (error) + return (error); + tcx_loadcmap_deferred(sc, cm->index, cm->count); + } break; case WSDISPLAYIO_SMODE: @@ -556,7 +551,6 @@ tcx_loadcmap_deferred(struct tcx_softc *sc, u_int start, u_int ncolors) u_int32_t thcm; thcm = sc->sc_thc->thc_hcmisc; - thcm &= ~THC_MISC_RESET; thcm |= THC_MISC_INTEN; sc->sc_thc->thc_hcmisc = thcm; } @@ -569,18 +563,19 @@ tcx_intr(v) u_int32_t thcm; thcm = sc->sc_thc->thc_hcmisc; - if ((thcm & (THC_MISC_INTEN | THC_MISC_INTR)) != - (THC_MISC_INTEN | THC_MISC_INTR)) { - /* Not expecting an interrupt, it's not for us. */ - return (0); - } + if (thcm & THC_MISC_INTEN) { + thcm &= ~(THC_MISC_INTR | THC_MISC_INTEN); - /* Acknowledge the interrupt and disable it. */ - thcm &= ~(THC_MISC_RESET | THC_MISC_INTEN); - thcm |= THC_MISC_INTR; - sc->sc_thc->thc_hcmisc = thcm; + /* Acknowledge the interrupt */ + sc->sc_thc->thc_hcmisc = thcm | THC_MISC_INTR; - bt_loadcmap(&sc->sc_cmap, sc->sc_bt, 0, 256, 1); + bt_loadcmap(&sc->sc_cmap, sc->sc_bt, 0, 256, 1); - return (1); + /* Disable further interrupts now */ + sc->sc_thc->thc_hcmisc = thcm; + + return (1); + } + + return (0); } |