initial import of NetBSD tree

1 files changed, 258 insertions, 0 deletions

diff --git a/sys/arch/amiga/dev/grfabs.c b/sys/arch/amiga/dev/grfabs.c
new file mode 100644
index 00000000000..26888d36e06
--- /dev/null
+++ b/sys/arch/amiga/dev/grfabs.c
@@ -0,0 +1,258 @@
+/*	$NetBSD: grfabs.c,v 1.4 1994/10/26 02:03:21 cgd Exp $	*/
+
+/*
+ * Copyright (c) 1994 Christian E. Hopps
+ * All rights reserved.
+ *
+ * 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 Christian E. Hopps.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+/*
+ *  amiga abstract graphics driver.
+ */
+#include <sys/param.h>
+#include <sys/queue.h>
+
+#include <amiga/amiga/color.h>
+#include <amiga/amiga/cc.h>
+#include <amiga/dev/grfabs_reg.h>
+
+/*
+ * General and init.
+ */
+
+/* add your monitor here. */
+monitor_t *cc_init_monitor (void);
+
+/* and here. */
+monitor_t *(*init_monitor[])(void) = {
+    cc_init_monitor, 
+    NULL
+};
+
+struct monitor_list instance_monitors, *monitors;
+
+struct vbl_node grf_vbl_node;
+
+#define ABS(type, val) \
+    (type) (((int)(val) < 0) ? -(val) : (val))
+
+void
+grf_vbl_function(data)
+	void *data;
+{
+	monitor_t *m;
+
+	if (monitors == NULL)
+		return;
+
+	for (m = monitors->lh_first; m != NULL; m = m->link.le_next) {
+		if (m->vbl_handler) 
+			m->vbl_handler(m);
+	}
+}
+
+/*
+ * XXX: called from ite console init routine.
+ * Does just what configure will do later but without printing anything.
+ */
+
+int
+grfcc_probe()
+{
+	int i = 0;
+	
+	grf_vbl_node.function = grf_vbl_function;
+    
+	if (NULL == monitors) {
+		LIST_INIT(&instance_monitors);
+		monitors = &instance_monitors;
+    
+		while (init_monitor[i]) {
+			init_monitor[i] ();
+			i++;
+		}
+		if (i) {
+			add_vbl_function(&grf_vbl_node, 1, 0);
+			return(1);
+		}
+		return(0);
+	}
+	return(1);
+}
+
+dmode_t *
+get_best_display_mode(width, height, depth)
+	u_long width, height;
+	u_char depth;
+{
+	monitor_t *m;
+	dmode_t *d, *save;
+	dimen_t dim;
+	long dx, dy, ct, dt;
+ 
+	save = NULL;
+	for (m = monitors->lh_first; m != NULL; m = m->link.le_next) {
+		dim.width = width;
+		dim.height = height;
+		d = m->get_best_mode(&dim, depth);
+		if (d) {
+			dx = ABS(long, (d->nominal_size.width - width));
+			dy = ABS(long, (d->nominal_size.height - height));
+			ct = dx + dy;
+
+			if (ct < dt || save == NULL) {
+				save = d;
+				dt = ct;
+			}
+		}	
+	}
+	return(save);
+}
+
+
+/*
+ * Monitor stuff.
+ */
+
+dmode_t *
+grf_get_next_mode(m, d)
+	monitor_t *m;
+	dmode_t *d;
+{
+	return(m->get_next_mode(d));
+}
+
+dmode_t *
+grf_get_current_mode(m)
+	monitor_t *m;
+{
+	return(m->get_current_mode());
+}
+
+dmode_t *
+grf_get_best_mode(m, size, depth)
+	monitor_t *m;
+	dimen_t *size;
+	u_char depth;
+{
+	return(m->get_best_mode(size, depth));
+}
+
+bmap_t *
+grf_alloc_bitmap(m, w, h, d, f)
+	monitor_t *m;
+	u_short w, h, d, f;
+{
+	return(m->alloc_bitmap(w, h, d, f));
+}
+
+void
+grf_free_bitmap(m, bm)
+	monitor_t *m;
+	bmap_t *bm;
+{
+	m->free_bitmap(bm);
+}
+
+/*
+ * Mode stuff.
+ */
+
+view_t *
+grf_get_current_view(d)
+	dmode_t *d;
+{
+	return(d->get_current_view(d));
+}
+
+monitor_t *
+grf_get_monitor(d)
+	dmode_t *d;
+{
+	return(d->get_monitor(d));
+}
+
+/*
+ * View stuff.
+ */
+
+void
+grf_display_view(v)
+	view_t *v;
+{
+	v->display_view(v);
+}
+
+view_t *
+grf_alloc_view(d, dim, depth)
+	dmode_t *d;
+	dimen_t *dim;
+	u_char depth;
+{
+	if (!d)
+		d = get_best_display_mode(dim->width, dim->height, depth);
+	if (d) 
+		return(d->alloc_view(d, dim, depth));
+	return(NULL);
+}
+
+void
+grf_remove_view(v)
+	view_t *v;
+{
+	v->remove_view(v);
+}
+
+void
+grf_free_view(v)
+	view_t *v;
+{
+	v->free_view(v);
+}
+
+dmode_t *
+grf_get_display_mode(v)
+	view_t *v;
+{
+	return(v->get_display_mode(v));
+}
+
+int
+grf_get_colormap(v, cm)
+	view_t *v;
+	colormap_t *cm;
+{
+	return(v->get_colormap(v, cm));
+}
+
+int
+grf_use_colormap(v, cm)
+	view_t *v;
+	colormap_t *cm;
+{
+	return(v->use_colormap(v, cm));
+}