xref: /netbsd-src/sys/dev/ic/ibm561reg.h (revision c79df3405a43d2d2c4d9d6b219fdb5525ec4531c)
1 /* $NetBSD: ibm561reg.h,v 1.6 2012/10/20 13:29:53 macallan Exp $ */
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Roland C. Dowdeswell of Ponte, Inc.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #define IBM561_ADDR_LOW			0x00
33 #define IBM561_ADDR_HIGH		0x01
34 #define IBM561_CMD			0x02
35 #define IBM561_CMD_FB_WAT		0x03
36 #define IBM561_CMD_CMAP			0x03
37 #define IBM561_CMD_GAMMA		0x03
38 
39 #define IBM561_CONFIG_REG1		0x0001
40 	#define CR1_MODEMASK		0xe0
41 		#define CR1_MODE_5_1_BASIC	0x00
42 		#define CR1_MODE_4_1_BASIC	0x20
43 		#define CR1_MODE_4_1_EXTENDED	0x40
44 		#define CR1_MODE_4_1_SUPER_EXT	0x60
45 		#define CR1_MODE_5_1_30BPP	0x80
46 		#define CR1_MODE_8_1_MODE_B	0xa0
47 		#define CR1_MODE_4_1_30BPP	0xc0
48 		#define CR1_MODE_8_1_MODE_A	0xe0
49 	#define CR1_OVL_MASK		0x18
50 		#define CR1_OVL_NONE		0x00
51 		#define CR1_OVL_8BPP		0x08
52 		#define CR1_OVL_16BPP		0x10
53 		#define CR1_OVL_VARIABLE	0x18
54 	#define CR1_WID_BITS_MASK	0x07
55 		#define CR1_WID_0	0x00
56 		#define CR1_WID_2	0x01
57 		#define CR1_WID_4	0x02
58 		#define CR1_WID_6	0x03
59 		#define CR1_WID_8	0x04
60 
61 #define IBM561_CONFIG_REG2		0x0002
62 	#define CR2_ENABLE_VRAM_MASKING	0x20
63 	#define CR2_ENABLE_PLL		0x10
64 	#define CR2_ENABLE_CLC		0x08	/* sane handling of cursor
65 						 * coordinate updates, without
66 						 * this updates occur
67 						 * immediately instead of
68 						 * waiting for the 2nd byte */
69 	#define CR2_PLL_REF_SELECT	0x04	/* 0 - REFCLK, 1 - EXTCLK */
70 	#define CR2_PIXEL_CLOCK_SELECT	0x02	/* 0 - PLL, 1 - EXTCLK */
71 	#define CR2_ENABLE_RGB_OUTPUT	0x01
72 
73 #define IBM561_CONFIG_REG3		0x0003
74 	#define CR3_ENABLE_INTERLACE	0x80
75 	#define CR3_SERIAL_CLK_CTRL	0x40	/* 1 - enable output */
76 	#define CR3_FIELD_POLARITY	0x20	/* 0 - EVEN first */
77 	#define CR3_ENABLE_MISR		0x10	/* diagnostic mode */
78 	#define CR3_CURSOR_UPDATE_ASYNC	0x08	/* don't wait for VBLANK */
79 	#define CR3_ENABLE_VIDEO	0x04	/* AUX video output */
80 	#define CR3_RGB			0x01	/* 1 - RGB, 0 - BGR */
81 
82 #define IBM561_CONFIG_REG4		0x0004
83 	#define CR4_FB_SPLIT_WID_MASK	0x78	/* number of FB WID bits */
84 	#define CR4_ENABLE_SPLIT_WID	0x04
85 	#define CR4_SELECT_OL_WID	0x02	/* 1 - use upper 4 bit for OL */
86 	#define CR4_SELECT_FB_WID	0x01	/* 1 - use upper 4 bit for FB */
87 
88 #define IBM561_SYNC_CNTL		0x0020
89 	#define SYNC_HSYNC_ENABLE	0x20
90 	#define SYNC_HSYNC_POLARITY	0x08	/* 1 - active high */
91 	#define SYNC_SYNC_ON_GREEN	0x02
92 	#define SYNC_ENABLE_PEDESTAL	0x01
93 
94 #define IBM561_PLL_VCO_DIV		0x0021
95 #define IBM561_PLL_REF_REG		0x0022
96 #define IBM561_CURS_CNTL_REG		0x0030
97 	#define CURS_COLOR_3_TRANS	0x80	/* 0 - color 3, 1 - trans */
98 	#define CURS_SEPARATE		0x40	/* move crosshair separately */
99 	#define CURS_OVERLAP_MASK	0x30
100 	#define CURS_OVERLAP_XOR	0x00	/* XOR cursor and xhair */
101 	#define CURS_OVERLAP_OR		0x10
102 	#define CURS_OVERLAP_CURSOR	0x20	/* cursor has priority */
103 	#define CURS_OVERLAP_XHAIR	0x30	/* crosshair has priority */
104 	#define CURS_XHAIR_BLINK	0x08	/* enable xhair blinking */
105 	#define CURS_XHAIR_ENABLE	0x04
106 	#define CURS_BLINK		0x02	/* blink cursor */
107 	#define CURS_ENABLE		0x01	/* enable cursor */
108 
109 #define IBM561_XHAIR_CONTROL_REG	0x0031
110 	#define XHAIR_PRIORITY		0x80	/* FILL or OUTLINE colour */
111 	#define XHAIR_WIDTH_MASK	0x60
112 	#define XHAIR_WIDTH_1		0x00
113 	#define XHAIR_WIDTH_3		0x20
114 	#define XHAIR_WIDTH_5		0x40
115 	#define XHAIR_WIDTH_7		0x60
116 	#define XHAIR_CLIP_MASK		0x18
117 	#define XHAIR_CLIP_NONE		0x00
118 	#define XHAIR_CLIP_SCISSORS	0x08	/* use scissors registers */
119 	#define XHAIR_CLIP_WINDOW	0x10	/* use window registers */
120 	#define XHAIR_CLIP_BOTH		0x18	/* window/scissor intersect */
121 	#define XHAIR_COLOR_MASK	0x06	/* 0 is transparent */
122 	#define XHAIR_EXT_PATTERN	0x01	/* enables colours, patterns */
123 
124 #define IBM561_CURSOR_BLINK_RATE	0x0032
125 #define IBM561_CURSOR_BLINK_DUTY	0x0033
126 #define IBM561_HOTSPOT_REG		0x0034
127 #define IBM561_HOTSPOT_X_REG		0x0034
128 #define IBM561_HOTSPOT_Y_REG		0x0035
129 
130 /* two registers each, low 8 bit first */
131 #define IBM561_CURSOR_X_REG		0x0036
132 #define IBM561_CURSOR_Y_REG		0x0038
133 
134 #define IBM561_XHAIR_SCISSORS		0x0040
135 	/*
136 	 * four 16bit registers, low first
137 	 * X start, Y start, X end, Y end
138 	 */
139 
140 #define IBM561_XHAIR_LOCATION		0x0048
141 	/* 2x 16bit, X first, lsb first */
142 
143 #define IBM561_XHAIR_PATTERN_CONTROL	0x004c
144 #define IBM561_XHAIR_PATTERN_HORZ	0x004d
145 #define IBM561_XHAIR_PATTERN_VERT	0x004e
146 
147 #define IBM561_VRAM_MASK_REG		0x0050
148 
149 #define IBM561_DAC_CONTROL		0x005f
150 	#define DAC_DISABLE_OUTPUT	0x08
151 	#define DAC_10BIT_ENABLE	0x04	/* 0 forces bit 0 to 0 */
152 	#define DAC_SHUNT_ENABLE	0x02
153 	#define DAC_SLEW_ENABLE		0x01	/* 0 - 2.5ns, 1 - 7.5ns */
154 
155 #define IBM561_CURSOR_LUT		0x0a10
156 	/*
157 	 * four blocks of 4, transparent, 1, 2, 3 each
158 	 * cursor primary, cursor blink, xhair primary, xhair blink
159 	 */
160 
161 #define IBM561_CURSOR_BITMAP		0x2000
162 	/* 64x64, 2bit packed, msb first */
163 
164 #define IBM561_DIV_DOTCLCK		0x0082
165 #define IBM561_FB_WINTYPE		0x1000
166 	#define FB_CLUT_SELECT_MASK	0x03c0	/* selects which 64 entry block
167 						 * in the CLUT to start with */
168 	#define FB_PIXEL_FORM_MASK	0x0030
169 	#define FB_PIXEL_8BIT		0x0000
170 	#define FB_PIXEL_12BIT		0x0010
171 	#define FB_PIXEL_16BIT		0x0020
172 	#define FB_PIXEL_24BIT		0x0030
173 	#define FB_BUFFER_SELECT	0x0008	/* 1 - buffer B */
174 	#define FB_MODE_MASK		0x0006
175 	#define FB_MODE_INDEXED		0x0000
176 	#define FB_MODE_GREYSCALE	0x0002
177 	#define FB_MODE_DIRECT		0x0004
178 	#define FB_MODE_TRUECOLOR	0x0006	/* doesn't work right for me */
179 	#define FB_MODE_TRANSP_ENABLE	0x0001
180 
181 #define IBM561_AUXFB_WINTYPE		0x0e00
182 	#define AUXFB_BYPASS_GAMMA	0x04
183 	#define AUXFB_XHAIR_ENABLE	0x02
184 	#define AUXFB_TRANSPARENT	0x01	/* 0 - 0x00, 1 - 0xff */
185 
186 #define IBM561_OL_WINTYPE		0x1400
187 	#define OL_CLUT_SELECT_MASK	0x03c0	/* selects which 64 entry block
188 						 * in the CLUT to start with */
189 	#define OL_PIXEL_FORM_MASK	0x0030
190 	#define OL_PIXEL_8BIT		0x0000
191 	#define OL_PIXEL_6_2BIT		0x0010	/* 6 overlay, 2 underlay */
192 	#define OL_PIXEL_4_4BIT		0x0020
193 	#define OL_PIXEL_4_DBL		0x0030
194 	#define OL_BUFFER_SELECT	0x0008	/* 1 - buffer B */
195 	#define OL_MODE_MASK		0x0006
196 	#define OL_MODE_INDEXED		0x0000
197 	#define OL_MODE_GREYSCALE	0x0002
198 	#define OL_MODE_INDIRECT	0x0004
199 	#define OL_MODE_DIRECT		0x0006
200 	#define OL_MODE_TRANSP_ENABLE	0x0001
201 
202 #define IBM561_AUXOL_WINTYPE		0x0f00
203 	#define AUXOL_TRANSP_MASK	0x21
204 	#define AUXOL_TRANSP_00		0x00
205 	#define AUXOL_TRANSP_FF		0x01
206 	#define AUXOL_TRANSP_CHROMA0	0x20
207 	#define AUXOL_TRANSP_CHROMA1	0x21
208 	#define AUXOL_UNDERLAY_ENABLE	0x10
209 	#define AUXOL_OVERLAY_ENABLE	0x08
210 	#define AUXOL_BYPASS_GAMMA	0x04
211 	#define AUXOL_XHAIR_ENABLE	0x02
212 
213 #define IBM561_CMAP_TABLE		0x4000
214 #define IBM561_RED_GAMMA_TABLE		0x3000
215 #define IBM561_GREEN_GAMMA_TABLE	0x3400
216 #define IBM561_BLUE_GAMMA_TABLE		0x3800
217 
218 #define IBM561_CHROMAKEY0		0x0010
219 #define IBM561_CHROMAKEY1		0x0011
220 #define IBM561_CHROMAKEYMASK0		0x0012
221 #define IBM561_CHROMAKEYMASK1		0x0013
222 
223 #define IBM561_WAT_SEG_REG		0x0006
224 
225 #define IBM561_NCMAP_ENTRIES		1024
226 #define IBM561_NGAMMA_ENTRIES		256
227 
228 /* we actually have 1024 of them, but I am just
229  * going define a few, so this is good.
230  */
231 #define IBM561_NWTYPES			16
232