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authorTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
committerTheo de Raadt <deraadt@cvs.openbsd.org>1995-10-18 08:53:40 +0000
commitd6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch)
treeece253b876159b39c620e62b6c9b1174642e070e /sys/arch/hp300/stand/ite_subr.c
initial import of NetBSD tree
Diffstat (limited to 'sys/arch/hp300/stand/ite_subr.c')
-rw-r--r--sys/arch/hp300/stand/ite_subr.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/sys/arch/hp300/stand/ite_subr.c b/sys/arch/hp300/stand/ite_subr.c
new file mode 100644
index 00000000000..4a7ceca585e
--- /dev/null
+++ b/sys/arch/hp300/stand/ite_subr.c
@@ -0,0 +1,145 @@
+/* $NetBSD: ite_subr.c,v 1.7 1994/10/26 07:27:39 cgd Exp $ */
+
+/*
+ * Copyright (c) 1988 University of Utah.
+ * Copyright (c) 1990, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * the Systems Programming Group of the University of Utah Computer
+ * Science Department.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * from: Utah $Hdr: ite_subr.c 1.2 92/01/20$
+ *
+ * @(#)ite_subr.c 8.1 (Berkeley) 6/10/93
+ */
+
+#include <hp300/stand/samachdep.h>
+
+#ifdef ITECONSOLE
+
+#include <sys/param.h>
+#include <hp300/dev/itevar.h>
+#include <hp300/dev/itereg.h>
+
+ite_fontinfo(ip)
+ struct ite_softc *ip;
+{
+ u_long fontaddr = getword(ip, getword(ip, FONTROM) + FONTADDR);
+
+ ip->ftheight = getbyte(ip, fontaddr + FONTHEIGHT);
+ ip->ftwidth = getbyte(ip, fontaddr + FONTWIDTH);
+ ip->rows = ip->dheight / ip->ftheight;
+ ip->cols = ip->dwidth / ip->ftwidth;
+
+ if (ip->fbwidth > ip->dwidth) {
+ /*
+ * Stuff goes to right of display.
+ */
+ ip->fontx = ip->dwidth;
+ ip->fonty = 0;
+ ip->cpl = (ip->fbwidth - ip->dwidth) / ip->ftwidth;
+ ip->cblankx = ip->dwidth;
+ ip->cblanky = ip->fonty + ((128 / ip->cpl) +1) * ip->ftheight;
+ }
+ else {
+ /*
+ * Stuff goes below the display.
+ */
+ ip->fontx = 0;
+ ip->fonty = ip->dheight;
+ ip->cpl = ip->fbwidth / ip->ftwidth;
+ ip->cblankx = 0;
+ ip->cblanky = ip->fonty + ((128 / ip->cpl) + 1) * ip->ftheight;
+ }
+}
+
+ite_fontinit(ip)
+ register struct ite_softc *ip;
+{
+ int bytewidth = (((ip->ftwidth - 1) / 8) + 1);
+ int glyphsize = bytewidth * ip->ftheight;
+ u_char fontbuf[500];
+ u_char *dp, *fbmem;
+ int c, i, romp;
+
+ romp = getword(ip, getword(ip, FONTROM) + FONTADDR) + FONTDATA;
+ for (c = 0; c < 128; c++) {
+ fbmem = (u_char *)
+ (FBBASE +
+ (ip->fonty + (c / ip->cpl) * ip->ftheight) * ip->fbwidth +
+ (ip->fontx + (c % ip->cpl) * ip->ftwidth));
+ dp = fontbuf;
+ for (i = 0; i < glyphsize; i++) {
+ *dp++ = getbyte(ip, romp);
+ romp += 2;
+ }
+ writeglyph(ip, fbmem, fontbuf);
+ }
+}
+
+/*
+ * Display independent versions of the readbyte and writeglyph routines.
+ */
+u_char
+ite_readbyte(ip, disp)
+ struct ite_softc *ip;
+ int disp;
+{
+ return((u_char) *(((u_char *)ip->regbase) + disp));
+}
+
+ite_writeglyph(ip, fbmem, glyphp)
+ register struct ite_softc *ip;
+ register u_char *fbmem, *glyphp;
+{
+ register int bn;
+ int c, l, b;
+
+ for (l = 0; l < ip->ftheight; l++) {
+ bn = 7;
+ for (b = 0; b < ip->ftwidth; b++) {
+ if ((1 << bn) & *glyphp)
+ *fbmem++ = 1;
+ else
+ *fbmem++ = 0;
+ if (--bn < 0) {
+ bn = 7;
+ glyphp++;
+ }
+ }
+ if (bn < 7)
+ glyphp++;
+ fbmem -= ip->ftwidth;
+ fbmem += ip->fbwidth;
+ }
+}
+#endif