1 files changed, 99 insertions, 0 deletions

diff --git a/sys/dev/syscons/fade/fade_saver.c b/sys/dev/syscons/fade/fade_saver.c
new file mode 100644
index 000000000000..27d732c084d9
--- /dev/null
+++ b/sys/dev/syscons/fade/fade_saver.c
@@ -0,0 +1,99 @@
+/*-
+ * Copyright (c) 1995-1998 Søren Schmidt
+ * 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,
+ *    without modification, immediately at the beginning of the file.
+ * 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. 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/consio.h>
+#include <sys/fbio.h>
+
+#include <dev/fb/fbreg.h>
+#include <dev/fb/splashreg.h>
+#include <dev/syscons/syscons.h>
+
+static u_char palette[256*3];
+
+static int
+fade_saver(video_adapter_t *adp, int blank)
+{
+	static int count = 0;
+	u_char pal[256*3];
+	int i;
+
+	if (blank) {
+		if (ISPALAVAIL(adp->va_flags)) {
+			if (count <= 0)
+				vidd_save_palette(adp, palette);
+			if (count < 256) {
+				pal[0] = pal[1] = pal[2] = 0;
+				for (i = 3; i < 256*3; i++) {
+					if (palette[i] - count > 60)
+						pal[i] = palette[i] - count;
+					else
+						pal[i] = 60;
+				}
+				vidd_load_palette(adp, pal);
+				count++;
+			}
+		} else {
+	    		vidd_blank_display(adp, V_DISPLAY_BLANK);
+		}
+	} else {
+		if (ISPALAVAIL(adp->va_flags)) {
+			vidd_load_palette(adp, palette);
+			count = 0;
+		} else {
+	    		vidd_blank_display(adp, V_DISPLAY_ON);
+		}
+	}
+	return 0;
+}
+
+static int
+fade_init(video_adapter_t *adp)
+{
+	if (!ISPALAVAIL(adp->va_flags) &&
+	    vidd_blank_display(adp, V_DISPLAY_ON) != 0)
+		return ENODEV;
+	return 0;
+}
+
+static int
+fade_term(video_adapter_t *adp)
+{
+	return 0;
+}
+
+static scrn_saver_t fade_module = {
+	"fade_saver", fade_init, fade_term, fade_saver, NULL,
+};
+
+SAVER_MODULE(fade_saver, fade_module);