6845 controller register definitions for vga(4) driver.

1 files changed, 46 insertions, 0 deletions

diff --git a/sys/dev/ic/mc6845reg.h b/sys/dev/ic/mc6845reg.h
new file mode 100644
index 00000000000..aea26b0223d
--- /dev/null
+++ b/sys/dev/ic/mc6845reg.h
@@ -0,0 +1,46 @@
+/* $OpenBSD: mc6845reg.h,v 1.1 2000/11/15 20:21:09 aaron Exp $ */
+/* $NetBSD: mc6845reg.h,v 1.1 1998/05/28 16:48:40 drochner Exp $ */
+
+/*
+ * Copyright (c) 1998
+ *	Matthias Drochner.  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 for the NetBSD Project
+ *	by Matthias Drochner.
+ * 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.
+ *
+ */
+
+struct reg_mc6845 { /* indexed via port 0x3d4 (mono 0x3b4) */
+	char htotal, hdisple, hblanks, hblanke;
+	char hsyncs, hsynce, vtotal, overfll;
+	char irowaddr, maxrow, curstart, curend;
+	char startadrh, startadrl, cursorh, cursorl;
+	char vsyncs, vsynce, vde, offset;
+	char uloc, vbstart, vbend, mode;
+	char splitl;
+};
+#define MC6845_INDEX 4
+#define MC6845_DATA 5