lightreg.h revision 1.1 1 /* $Id: lightreg.h,v 1.1 2006/12/26 04:28:16 rumble Exp $ */
2
3 /*
4 * Copyright (c) 2006 Stephen M. Rumble
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #ifndef _ARCH_SGIMIPS_GIO_LIGHTREG_H_
28 #define _ARCH_SGIMIPS_GIO_LIGHTREG_H_
29
30 #define LIGHT_ADDR_0 0x1f3f0000
31 #define LIGHT_ADDR_1 0x1f3f8000 /* dual head */
32
33 #define REX_PAGE0_SET 0x00000000 /* REX registers */
34 #define REX_PAGE0_GO 0x00000800
35 #define REX_PAGE1_SET 0x00004790 /* configuration registers */
36 #define REX_PAGE1_GO 0x00004F90
37
38 /* REX register offsets (from REX_PAGE0_{SET,GO}) */
39 #define REX_COMMAND 0x00000000
40 #define REX_XSTARTI 0x0000000C
41 #define REX_YSTARTI 0x0000001C
42 #define REX_XYMOVE 0x00000034
43 #define REX_COLORREDI 0x00000038
44 #define REX_COLORGREENI 0x00000040
45 #define REX_COLORBLUEI 0x00000048
46 #define REX_COLORBACK 0x0000005C
47 #define REX_ZPATTERN 0x00000060
48 #define REX_XENDI 0x00000084
49 #define REX_YENDI 0x00000088
50
51 /* configuration register offsets (from REX_PAGE1_{SET,GO}) */
52 #define REX_CFG_WCLOCK 0x00000054 /* nsclock / revision */
53 #define REX_CFG_CONFIGSEL 0x0000005c /* function selector */
54 #define REX_CFG_CONFIGMODE 0x00000068 /* REX system config */
55
56 /* REX opcodes */
57 #define REX_OPCODE_NOP 0x00000000
58 #define REX_OPCODE_DRAW 0x00000001
59
60 /* REX command flags */
61 #define REX_OPFLG_BLOCK 0x00000008
62 #define REX_OPFLG_LENGTH32 0x00000010
63 #define REX_OPFLG_QUADMODE 0x00000020
64 #define REX_OPFLG_XYCONTINUE 0x00000080
65 #define REX_OPFLG_STOPONX 0x00000100
66 #define REX_OPFLG_STOPONY 0x00000200
67 #define REX_OPFLG_ENZPATTERN 0x00000400
68 #define REX_OPFLG_LOGICSRC 0x00080000
69 #define REX_OPFLG_ZOPAQUE 0x00800000
70 #define REX_OPFLG_ZCONTINUE 0x01000000
71
72 /* REX logicops */
73 #define REX_LOGICOP_SRC 0x30000000
74
75 /* configmode bits */
76 #define REX_BUSY 0x00000001
77
78 #endif /* !_ARCH_SGIMIPS_GIO_LIGHTREG_H_ */
79