xref: /illumos-gate/usr/src/uts/common/sys/vgareg.h (revision d14d7d31f2a70b1e0a9c933607d6627f5718980e)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_VGAREG_H
28 #define	_SYS_VGAREG_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * VGA frame buffer hardware definitions.
38  */
39 
40 #define	VGA8_DEPTH		8
41 #define	VGA8_CMAP_ENTRIES	256
42 #define	VGA_TEXT_CMAP_ENTRIES	64
43 
44 /*
45  * General VGA registers
46  * These are relative to their register set, which
47  * the 3c0-3df set.
48  */
49 #define	VGA_ATR_AD	0x00
50 #define	VGA_ATR_DATA	0x01
51 #define	VGA_MISC_W	0x02
52 #define	VGA_SEQ_ADR	0x04
53 #define	VGA_SEQ_DATA	0x05
54 #define	VGA_DAC_BASE	0x06
55 #define	VGA_DAC_AD_MK	0x06
56 #define	VGA_DAC_RD_AD	0x07
57 #define	VGA_DAC_STS	0x07
58 #define	VGA_DAC_WR_AD	0x08
59 #define	VGA_DAC_DATA	0x09
60 #define	VGA_MISC_R	0x0c
61 #define	VGA_GRC_ADR	0x0e
62 #define	VGA_GRC_DATA	0x0f
63 #define	VGA_CRTC_ADR	0x14
64 #define	VGA_CRTC_DATA	0x15
65 #define	CGA_STAT	0x1a
66 
67 /*
68  * Attribute controller index bits
69  */
70 #define	VGA_ATR_ENB_PLT	0x20
71 
72 /*
73  * Miscellaneous output bits
74  */
75 #define	VGA_MISC_IOA_SEL	0x01
76 #define	VGA_MISC_ENB_RAM	0x02
77 #define	VGA_MISC_VCLK		0x0c
78 #define		VGA_MISC_VCLK0		0x00
79 #define		VGA_MISC_VCLK1		0x04
80 #define		VGA_MISC_VCLK2		0x08
81 #define		VGA_MISC_VCLK3		0x0c
82 #define	VGA_MISC_PGSL		0x20
83 #define	VGA_MISC_HSP		0x40
84 #define	VGA_MISC_VSP		0x80
85 
86 /*
87  * CRT Controller registers
88  */
89 #define	VGA_CRTC_H_TOTAL	0x00
90 #define	VGA_CRTC_H_D_END	0x01
91 #define	VGA_CRTC_S_H_BLNK	0x02
92 #define	VGA_CRTC_E_H_BLNK	0x03
93 #define		VGA_CRTC_E_H_BLNK_PUT_EHB(n) \
94 			((n)&0x1f)
95 #define	VGA_CRTC_S_H_SY_P	0x04
96 #define	VGA_CRTC_E_H_SY_P	0x05
97 #define		VGA_CRTC_E_H_SY_P_HOR_SKW_SHIFT	5
98 #define		VGA_CRTC_E_H_SY_P_HOR_SKW	0x60
99 #define		VGA_CRTC_E_H_SY_P_EHB5		7
100 #define		VGA_CRTC_E_H_SY_P_PUT_HOR_SKW(skew) \
101 			((skew)<<VGA_CRTC_E_H_SY_P_HOR_SKW_SHIFT)
102 #define		VGA_CRTC_E_H_SY_P_PUT_EHB(n) \
103 			((((n)>>5)&1)<<VGA_CRTC_E_H_SY_P_EHB5)
104 #define		VGA_CRTC_E_H_SY_P_PUT_EHS(n) \
105 			((n)&0x1f)
106 #define	VGA_CRTC_V_TOTAL	0x06
107 #define	VGA_CRTC_OVFL_REG	0x07
108 #define		VGA_CRTC_OVFL_REG_VT8	0
109 #define		VGA_CRTC_OVFL_REG_VDE8	1
110 #define		VGA_CRTC_OVFL_REG_VRS8	2
111 #define		VGA_CRTC_OVFL_REG_SVB8	3
112 #define		VGA_CRTC_OVFL_REG_LCM8	4
113 #define		VGA_CRTC_OVFL_REG_VT9	5
114 #define		VGA_CRTC_OVFL_REG_VDE9	6
115 #define		VGA_CRTC_OVFL_REG_VRS9	7
116 #define		VGA_CRTC_OVFL_REG_PUT_VT(n)	\
117 			((((n)>>8)&1)<<VGA_CRTC_OVFL_REG_VT8) \
118 			| ((((n)>>9)&1)<<VGA_CRTC_OVFL_REG_VT9)
119 #define		VGA_CRTC_OVFL_REG_PUT_VDE(n)	\
120 			((((n)>>8)&1)<<VGA_CRTC_OVFL_REG_VDE8) \
121 			| ((((n)>>9)&1)<<VGA_CRTC_OVFL_REG_VDE9)
122 #define		VGA_CRTC_OVFL_REG_PUT_VRS(n)	\
123 			((((n)>>8)&1)<<VGA_CRTC_OVFL_REG_VRS8) \
124 			| ((((n)>>9)&1)<<VGA_CRTC_OVFL_REG_VRS9)
125 #define		VGA_CRTC_OVFL_REG_PUT_LCM(n)	\
126 			((((n)>>8)&1)<<VGA_CRTC_OVFL_REG_LCM8)
127 #define		VGA_CRTC_OVFL_REG_PUT_SVB(n)	\
128 			((((n)>>8)&1)<<VGA_CRTC_OVFL_REG_SVB8)
129 #define	VGA_CRTC_P_R_SCAN	0x08
130 #define	VGA_CRTC_MAX_S_LN	0x09
131 #define		VGA_CRTC_MAX_S_LN_SVB9	5
132 #define		VGA_CRTC_MAX_S_LN_LCM9	6
133 #define		VGA_CRTC_MAX_S_LN_PUT_SVB(n)	\
134 			((((n)>>9)&1)<<VGA_CRTC_MAX_S_LN_SVB9)
135 #define		VGA_CRTC_MAX_S_LN_PUT_LCM(n)	\
136 			((((n)>>9)&1)<<VGA_CRTC_MAX_S_LN_LCM9)
137 #define	VGA_CRTC_CSSL		0x0a
138 #define	VGA_CRTC_CESL		0x0b
139 #define	VGA_CRTC_STAH		0x0c
140 #define	VGA_CRTC_STAL		0x0d
141 #define	VGA_CRTC_CLAH		0x0e
142 #define	VGA_CRTC_CLAL		0x0f
143 #define	VGA_CRTC_VRS		0x10
144 #define	VGA_CRTC_VRE		0x11
145 #define		VGA_CRTC_VRE_LOCK	0x80
146 #define		VGA_CRTC_VRE_DIS_VINT	0x20
147 #define		VGA_CRTC_VRE_PUT_VRE(n) \
148 			((n)&0x0f)
149 #define	VGA_CRTC_VDE		0x12
150 #define	VGA_CRTC_SCREEN_OFFSET	0x13
151 #define	VGA_CRTC_ULL		0x14
152 #define	VGA_CRTC_SVB		0x15
153 #define	VGA_CRTC_EVB		0x16
154 #define	VGA_CRTC_CRT_MD		0x17
155 #define		VGA_CRTC_CRT_MD_2BK_CGA		0x01
156 #define		VGA_CRTC_CRT_MD_4BK_HGC		0x02
157 #define		VGA_CRTC_CRT_MD_VT_X2		0x04
158 #define		VGA_CRTC_CRT_MD_WRD_MODE	0x08
159 #define		VGA_CRTC_CRT_MD_ADW_16K		0x20
160 #define		VGA_CRTC_CRT_MD_BYTE_MODE	0x40
161 #define		VGA_CRTC_CRT_MD_NO_RESET	0x80
162 #define	VGA_CRTC_LCM		0x18
163 
164 /*
165  * Sequencer registers
166  */
167 #define	VGA_SEQ_RST_SYN		0x00
168 #define		VGA_SEQ_RST_SYN_ASYNC_RESET	0x00
169 #define		VGA_SEQ_RST_SYN_NO_ASYNC_RESET	0x01
170 #define		VGA_SEQ_RST_SYN_SYNC_RESET	0x00
171 #define		VGA_SEQ_RST_SYN_NO_SYNC_RESET	0x02
172 #define	VGA_SEQ_CLK_MODE	0x01
173 #define		VGA_SEQ_CLK_MODE_8DC		0x01
174 #define	VGA_SEQ_EN_WT_PL	0x02
175 #define		VGA_SEQ_EN_WT_PL_ALL		0x0f
176 #define	VGA_SEQ_MEM_MODE	0x04
177 #define		VGA_SEQ_MEM_MODE_EXT_MEM	0x02
178 #define		VGA_SEQ_MEM_MODE_SEQ_MODE	0x04
179 #define		VGA_SEQ_MEM_MODE_CHN_4M		0x08
180 
181 /*
182  * Graphics Controller
183  */
184 #define	VGA_GRC_SET_RST_DT	0x00
185 #define	VGA_GRC_EN_S_R_DT	0x01
186 #define	VGA_GRC_COLOR_CMP	0x02
187 #define	VGA_GRC_WT_ROP_RTC	0x03
188 #define	VGA_GRC_RD_PL_SL	0x04
189 #define	VGA_GRC_GRP_MODE	0x05
190 #define		VGA_GRC_GRP_MODE_SHF_MODE_256	0x40
191 #define	VGA_GRC_MISC_GM		0x06
192 #define		VGA_GRC_MISC_GM_GRAPH		0x01
193 #define		VGA_GRC_MISC_GM_MEM_MAP_1	0x04
194 #define	VGA_GRC_CMP_DNTC	0x07
195 #define		VGA_GRC_CMP_DNTC_ALL		0x0f
196 #define	VGA_GRC_BIT_MASK	0x08
197 
198 /*
199  * Attribute controller registers
200  */
201 #define	VGA_ATR_PLT_REG		0x00
202 #define	VGA_ATR_NUM_PLT		0x10
203 #define	VGA_ATR_MODE		0x10
204 #define		VGA_ATR_MODE_GRAPH	0x01
205 #define		VGA_ATR_MODE_9WIDE	0x04
206 #define		VGA_ATR_MODE_BLINK	0x08
207 #define		VGA_ATR_MODE_256CLR	0x40
208 #define	VGA_ATR_BDR_CLR		0x11
209 #define	VGA_ATR_DISP_PLN	0x12
210 #define		VGA_ATR_DISP_PLN_ALL	0x0f
211 #define	VGA_ATR_H_PX_PAN	0x13
212 #define	VGA_ATR_PX_PADD		0x14
213 
214 /*
215  * Low-memory frame buffer definitions.  These are relative to the
216  * A0000 register set.
217  */
218 #define	VGA_MONO_BASE		0x10000	/* Base of monochrome text */
219 #define	VGA_COLOR_BASE		0x18000	/* Base of color text */
220 #define	VGA_TEXT_SIZE		0x8000	/* Size of text frame buffer */
221 
222 #ifdef	__cplusplus
223 }
224 #endif
225 
226 #endif /* _SYS_VGAREG_H */
227