>Number:         1810
>Category:       port-amiga
>Synopsis:       A2410 GRFIOCBLANK support
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    gnats-admin (GNATS administrator)
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Tue Dec  5 07:50:01 1995
>Last-Modified:
>Originator:     Ignatios Souvatzis
>Organization:
	Me, myself, and I
>Release:        1.1
>Environment:
	
System: NetBSD beverly.rhein.de 1.1 NetBSD 1.1 (INSTALL) #0: Fri Nov 24 13:47:14 EST 1995 chopps@coffee.emich.edu:/exp/src/sys/arch/amiga/compile/INSTALL amiga


>Description:
	Shortly before the -1.1 feature freeze, the GRFIOCBLANK ioctl was introduced.
	This patch contains the A2410 driver support for it.
>How-To-Repeat:
>Fix:

--- /usr/local/NetBSD-1.1/source/usr/src/sys/arch/amiga/dev/grf_ul.c	Sat Nov 11 12:31:39 1995
+++ grf_ul.c	Fri Oct 27 10:09:06 1995
@@ -59,6 +59,7 @@
 int ul_getcmap __P((struct grf_softc *, struct grf_colormap *, dev_t));
 int ul_putcmap __P((struct grf_softc *, struct grf_colormap *, dev_t));
 int ul_bitblt __P((struct grf_softc *, struct grf_bitblt *, dev_t));
+int ul_blank __P((struct grf_softc *, int *, dev_t));
 
 /*
  * marked true early so that ulowell_cnprobe() can tell if we are alive. 
@@ -721,6 +722,9 @@
 
 	case GRFIOCBITBLT:
 		return ul_bitblt (gp, (struct grf_bitblt *) data, dev);
+
+	case GRFIOCBLANK:
+		return ul_blank (gp, (int *) data, dev);
 	}
 
 	return EINVAL;
@@ -840,6 +844,24 @@
 	return 0;
 }
 
+int
+ul_blank(gp, onoff, dev)
+	struct grf_softc *gp;
+	int *onoff;
+	dev_t dev;
+{
+	struct gspregs *gsp;
+	gsp = (struct gspregs *)gp->g_regkva;
+	gsp->ctrl = (gsp->ctrl & ~(INCR|INCW) | LBL);
+	gsp->hstadrh = 0xC000;
+	gsp->hstadrl = 0x0080;
+	if (*onoff)
+		gsp->data |= 0x9000;
+	else
+		gsp->data &= ~0x9000;
+		
+	return 0;
+}
 /*
  * !!! THIS AREA UNDER CONSTRUCTION !!!
  */
>Audit-Trail:
>Unformatted: