initial import of NetBSD tree

1 files changed, 254 insertions, 0 deletions

diff --git a/sys/arch/hp300/stand/ite_dv.c b/sys/arch/hp300/stand/ite_dv.c
new file mode 100644
index 00000000000..b636a2e7549
--- /dev/null
+++ b/sys/arch/hp300/stand/ite_dv.c
@@ -0,0 +1,254 @@
+/*	$NetBSD: ite_dv.c,v 1.7 1994/10/26 07:27:31 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 $Hdr: ite_dv.c 1.2 92/01/20$
+ *
+ *	@(#)ite_dv.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>
+#include <hp300/dev/grf_dvreg.h>
+
+#define REGBASE		((struct dvboxfb *)(ip->regbase))
+#define WINDOWMOVER	dvbox_windowmove
+
+dvbox_init(ip)
+	struct ite_softc *ip;
+{
+	int i;
+	
+	dv_reset(ip->regbase);
+	DELAY(4000);
+
+	/*
+	 * Turn on frame buffer, turn on overlay planes, set replacement
+	 * rule, enable top overlay plane writes for ite, disable all frame
+	 * buffer planes, set byte per pixel, and display frame buffer 0.
+	 * Lastly, turn on the box.
+	 */
+	REGBASE->interrupt = 0x04;
+	REGBASE->drive     = 0x10;		
+ 	REGBASE->rep_rule  = RR_COPY << 4 | RR_COPY;
+	REGBASE->opwen     = 0x01;
+	REGBASE->fbwen     = 0x0;
+	REGBASE->fold      = 0x01;
+	REGBASE->vdrive    = 0x0;
+	REGBASE->dispen    = 0x01;
+
+	/*
+	 * Video enable top overlay plane.
+	 */
+	REGBASE->opvenp = 0x01;
+	REGBASE->opvens = 0x01;
+
+	/*
+	 * Make sure that overlay planes override frame buffer planes.
+	 */
+	REGBASE->ovly0p  = 0x0;
+	REGBASE->ovly0s  = 0x0;
+	REGBASE->ovly1p  = 0x0;
+	REGBASE->ovly1s  = 0x0;
+	REGBASE->fv_trig = 0x1;
+	DELAY(400);
+
+	/*
+	 * Setup the overlay colormaps. Need to set the 0,1 (black/white)
+	 * color for both banks.
+	 */
+
+	for (i = 0; i <= 1; i++) {
+		REGBASE->cmapbank = i;
+		REGBASE->rgb[0].red   = 0x00;
+		REGBASE->rgb[0].green = 0x00;
+		REGBASE->rgb[0].blue  = 0x00;
+		REGBASE->rgb[1].red   = 0xFF;
+		REGBASE->rgb[1].green = 0xFF;
+		REGBASE->rgb[1].blue  = 0xFF;
+	}
+	REGBASE->cmapbank = 0;
+	
+	db_waitbusy(ip->regbase);
+
+	ite_fontinfo(ip);
+	ite_fontinit(ip);
+
+	/*
+	 * Clear the (visible) framebuffer.
+	 */
+	dvbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
+	db_waitbusy(ip->regbase);
+
+	/*
+	 * Stash the inverted cursor.
+	 */
+	dvbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
+			 ip->cblanky, ip->cblankx, ip->ftheight,
+			 ip->ftwidth, RR_COPYINVERTED);
+	db_waitbusy(ip->regbase);
+}
+
+dvbox_putc(ip, c, dy, dx, mode)
+	register struct ite_softc *ip;
+        register int dy, dx;
+	int c, mode;
+{
+	dvbox_windowmove(ip, charY(ip, c), charX(ip, c),
+			 dy * ip->ftheight, dx * ip->ftwidth,
+			 ip->ftheight, ip->ftwidth, RR_COPY);
+}
+
+dvbox_cursor(ip, flag)
+	register struct ite_softc *ip;
+        register int flag;
+{
+	if (flag == DRAW_CURSOR)
+		draw_cursor(ip)
+	else if (flag == MOVE_CURSOR) {
+		erase_cursor(ip)
+		draw_cursor(ip)
+	}
+	else
+		erase_cursor(ip)
+}
+
+dvbox_clear(ip, sy, sx, h, w)
+	struct ite_softc *ip;
+	register int sy, sx, h, w;
+{
+	dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
+			 sy * ip->ftheight, sx * ip->ftwidth, 
+			 h  * ip->ftheight, w  * ip->ftwidth,
+			 RR_CLEAR);
+}
+
+dvbox_scroll(ip, sy, sx, count, dir)
+        register struct ite_softc *ip;
+        register int sy, count;
+        int dir, sx;
+{
+	register int dy = sy - count;
+	register int height = ip->rows - sy;
+
+	dvbox_cursor(ip, ERASE_CURSOR);
+
+	dvbox_windowmove(ip, sy * ip->ftheight, sx * ip->ftwidth,
+			 dy * ip->ftheight, sx * ip->ftwidth,
+			 height * ip->ftheight,
+			 ip->cols * ip->ftwidth, RR_COPY);
+}
+
+dvbox_windowmove(ip, sy, sx, dy, dx, h, w, func)
+	struct ite_softc *ip;
+	int sy, sx, dy, dx, h, w, func;
+{
+	register struct dvboxfb *dp = REGBASE;
+	if (h == 0 || w == 0)
+		return;
+	
+	db_waitbusy(ip->regbase);
+	dp->rep_rule = func << 4 | func;
+	dp->source_y = sy;
+	dp->source_x = sx;
+	dp->dest_y   = dy;
+	dp->dest_x   = dx;
+	dp->wheight  = h;
+	dp->wwidth   = w;
+	dp->wmove    = 1;
+}
+
+dv_reset(dbp)
+	register struct dvboxfb *dbp;
+{
+  	dbp->reset = 0x80;
+	DELAY(400);
+
+	dbp->interrupt = 0x04;
+	dbp->en_scan   = 0x01;
+	dbp->fbwen     = ~0;
+	dbp->opwen     = ~0;
+	dbp->fold      = 0x01;
+	dbp->drive     = 0x01;
+	dbp->rep_rule  = 0x33;
+	dbp->alt_rr    = 0x33;
+	dbp->zrr       = 0x33;
+
+	dbp->fbvenp    = 0xFF;
+	dbp->dispen    = 0x01;
+	dbp->fbvens    = 0x0;
+	dbp->fv_trig   = 0x01;
+	DELAY(400);
+	dbp->vdrive    = 0x0;
+	dbp->zconfig   = 0x0;
+
+	while (dbp->wbusy & 0x01)
+	  DELAY(400);
+
+	/*
+	 * Start of missing ROM code.
+	 */
+	dbp->cmapbank = 0;
+
+	dbp->red0   = 0;
+	dbp->red1   = 0;
+	dbp->green0 = 0;
+	dbp->green1 = 0;
+	dbp->blue0  = 0;
+	dbp->blue1  = 0;
+
+	dbp->panxh   = 0;
+	dbp->panxl   = 0;
+	dbp->panyh   = 0;
+	dbp->panyl   = 0;
+	dbp->zoom    = 0;
+	dbp->cdwidth = 0x50;
+	dbp->chstart = 0x52;
+	dbp->cvwidth = 0x22;
+	dbp->pz_trig = 1;
+	/*
+	 * End of missing ROM code.
+	 */
+}
+
+#endif