Initial source

1 files changed, 78 insertions, 0 deletions

diff --git a/chips/bt431.h b/chips/bt431.h
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+/* 
+ * Mach Operating System
+ * Copyright (c) 1991,1990,1989 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+ *	File: bt431.h
+ * 	Author: Alessandro Forin, Carnegie Mellon University
+ *	Date:	8/91
+ *
+ *	Defines for the bt431 Cursor chip
+ */
+
+
+typedef struct {
+	volatile unsigned char	addr_lo;
+	volatile unsigned char	addr_hi;
+	volatile unsigned char	addr_cmap;
+	volatile unsigned char	addr_reg;
+} bt431_regmap_t;
+
+/*
+ * Additional registers addressed indirectly
+ */
+
+#define	BT431_REG_CMD		0x0000
+#define	BT431_REG_CXLO		0x0001
+#define	BT431_REG_CXHI		0x0002
+#define	BT431_REG_CYLO		0x0003
+#define	BT431_REG_CYHI		0x0004
+#define	BT431_REG_WXLO		0x0005
+#define	BT431_REG_WXHI		0x0006
+#define	BT431_REG_WYLO		0x0007
+#define	BT431_REG_WYHI		0x0008
+#define	BT431_REG_WWLO		0x0009
+#define	BT431_REG_WWHI		0x000a
+#define	BT431_REG_WHLO		0x000b
+#define	BT431_REG_WHHI		0x000c
+
+#define BT431_REG_CRAM_BASE	0x0000
+#define BT431_REG_CRAM_END	0x01ff
+
+/*
+ * Command register
+ */
+
+#define BT431_CMD_CURS_ENABLE	0x40
+#define BT431_CMD_XHAIR_ENABLE	0x20
+#define BT431_CMD_OR_CURSORS	0x10
+#define BT431_CMD_AND_CURSORS	0x00
+#define BT431_CMD_1_1_MUX	0x00
+#define BT431_CMD_4_1_MUX	0x04
+#define BT431_CMD_5_1_MUX	0x08
+#define BT431_CMD_xxx_MUX	0x0c
+#define BT431_CMD_THICK_1	0x00
+#define BT431_CMD_THICK_3	0x01
+#define BT431_CMD_THICK_5	0x02
+#define BT431_CMD_THICK_7	0x03