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-rw-r--r--sys/arch/sgi/gio/lightreg.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/sys/arch/sgi/gio/lightreg.h b/sys/arch/sgi/gio/lightreg.h
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+++ b/sys/arch/sgi/gio/lightreg.h
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+/* $OpenBSD: lightreg.h,v 1.1 2012/04/17 15:36:55 miod Exp $ */
+/* $NetBSD: lightreg.h,v 1.3 2006/12/29 00:31:48 rumble Exp $ */
+
+/*
+ * Copyright (c) 2006 Stephen M. Rumble
+ * 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. 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.
+ */
+
+#define LIGHT_ADDR_0 0x1f3f0000
+#define LIGHT_ADDR_1 0x1f3f8000 /* dual head */
+#define LIGHT_SIZE 0x00008000
+
+#define REX_PAGE0_SET 0x00000000 /* REX registers */
+#define REX_PAGE0_GO 0x00000800
+#define REX_PAGE1_SET 0x00004790 /* configuration registers */
+#define REX_PAGE1_GO 0x00004F90
+
+/* REX register offsets (from REX_PAGE0_{SET,GO}) */
+#define REX_P0REG_COMMAND 0x00000000
+#define REX_P0REG_XSTARTI 0x0000000C
+#define REX_P0REG_YSTARTI 0x0000001C
+#define REX_P0REG_XYMOVE 0x00000034
+#define REX_P0REG_COLORREDI 0x00000038
+#define REX_P0REG_COLORGREENI 0x00000040
+#define REX_P0REG_COLORBLUEI 0x00000048
+#define REX_P0REG_COLORBACK 0x0000005C
+#define REX_P0REG_ZPATTERN 0x00000060
+#define REX_P0REG_XENDI 0x00000084
+#define REX_P0REG_YENDI 0x00000088
+
+/* configuration register offsets (from REX_PAGE1_{SET,GO}) */
+#define REX_P1REG_WCLOCKREV 0x00000054 /* nsclock / revision */
+#define REX_P1REG_CFGSEL 0x0000005c /* function selector */
+#define REX_P1REG_VC1_ADDRDATA 0x00000060 /* vc1 r/w addr and data 8bit */
+#define REX_P1REG_CFGMODE 0x00000068 /* REX system config */
+#define REX_P1REG_XYOFFSET 0x0000006c /* x, y start of screen */
+
+/* REX opcodes */
+#define REX_OP_NOP 0x00000000
+#define REX_OP_DRAW 0x00000001
+
+/* REX command flags */
+#define REX_OP_FLG_BLOCK 0x00000008
+#define REX_OP_FLG_LENGTH32 0x00000010
+#define REX_OP_FLG_QUADMODE 0x00000020
+#define REX_OP_FLG_XYCONTINUE 0x00000080
+#define REX_OP_FLG_STOPONX 0x00000100
+#define REX_OP_FLG_STOPONY 0x00000200
+#define REX_OP_FLG_ENZPATTERN 0x00000400
+#define REX_OP_FLG_LOGICSRC 0x00080000
+#define REX_OP_FLG_ZOPAQUE 0x00800000
+#define REX_OP_FLG_ZCONTINUE 0x01000000
+
+/* REX logicops */
+#define REX_LOGICOP_SHIFT 28
+
+/* configmode bits */
+#define REX_CFGMODE_BUSY 0x00000001
+
+/* configsel bits */
+#define REX_CFGSEL_VC1_LADDR 0x00000004 /* low address bits */
+#define REX_CFGSEL_VC1_HADDR 0x00000005 /* high address bits */
+#define REX_CFGSEL_VC1_SYSCTL 0x00000006
+
+/* vc1 sysctl bits (byte) */
+#define VC1_SYSCTL_VIDEO_ON 0x04
+#define VC1_SYSCTL_CURSOR 0x10
+#define VC1_SYSCTL_CURSOR_ON 0x20