xref: /netbsd-src/sys/dev/ic/ibm561reg.h (revision 8b0f9554ff8762542c4defc4f70e1eb76fb508fa)
1 /* $NetBSD: ibm561reg.h,v 1.4 2007/08/28 00:21:04 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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #define IBM561_ADDR_LOW			0x00
40 #define IBM561_ADDR_HIGH		0x01
41 #define IBM561_CMD			0x02
42 #define IBM561_CMD_FB_WAT		0x03
43 #define IBM561_CMD_CMAP			0x03
44 #define IBM561_CMD_GAMMA		0x03
45 
46 #define IBM561_CONFIG_REG1		0x0001
47 	#define CR1_MODEMASK		0xe0
48 		#define CR1_MODE_5_1_BASIC	0x00
49 		#define CR1_MODE_4_1_BASIC	0x20
50 		#define CR1_MODE_4_1_EXTENDED	0x40
51 		#define CR1_MODE_4_1_SUPER_EXT	0x60
52 		#define CR1_MODE_5_1_30BPP	0x80
53 		#define CR1_MODE_8_1_MODE_B	0xa0
54 		#define CR1_MODE_4_1_30BPP	0xc0
55 		#define CR1_MODE_8_1_MODE_A	0xe0
56 	#define CR1_OVL_MASK		0x18
57 		#define CR1_OVL_NONE		0x00
58 		#define CR1_OVL_8BPP		0x08
59 		#define CR1_OVL_16BPP		0x10
60 		#define CR1_OVL_VARIABLE	0x18
61 	#define CR1_WID_BITS_MASK	0x07
62 		#define CR1_WID_0	0x00
63 		#define CR1_WID_2	0x01
64 		#define CR1_WID_4	0x02
65 		#define CR1_WID_6	0x03
66 		#define CR1_WID_8	0x04
67 
68 #define IBM561_CONFIG_REG2		0x0002
69 	#define CR2_ENABLE_VRAM_MASKING	0x20
70 	#define CR2_ENABLE_PLL		0x10
71 	#define CR2_ENABLE_CLC		0x08	/* sane handling of cursor
72 						 * coordinate updates, without
73 						 * this updates occur
74 						 * immediately instead of
75 						 * waiting for the 2nd byte */
76 	#define CR2_PLL_REF_SELECT	0x04	/* 0 - REFCLK, 1 - EXTCLK */
77 	#define CR2_PIXEL_CLOCK_SELECT	0x02	/* 0 - PLL, 1 - EXTCLK */
78 	#define CR2_ENABLE_RGB_OUTPUT	0x01
79 
80 #define IBM561_CONFIG_REG3		0x0003
81 	#define CR3_ENABLE_INTERLACE	0x80
82 	#define CR3_SERIAL_CLK_CTRL	0x40	/* 1 - enable output */
83 	#define CR3_FIELD_POLARITY	0x20	/* 0 - EVEN first */
84 	#define CR3_ENABLE_MISR		0x10	/* diagnostic mode */
85 	#define CR3_CURSOR_UPDATE_ASYNC	0x08	/* don't wait for VBLANK */
86 	#define CR3_ENABLE_VIDEO	0x04	/* AUX video output */
87 	#define CR3_RGB			0x01	/* 1 - RGB, 0 - BGR */
88 
89 #define IBM561_CONFIG_REG4		0x0004
90 	#define CR4_FB_SPLIT_WID_MASK	0x78	/* number of FB WID bits */
91 	#define CR4_ENABLE_SPLIT_WID	0x04
92 	#define CR4_SELECT_OL_WID	0x02	/* 1 - use upper 4 bit for OL */
93 	#define CR4_SELECT_FB_WID	0x01	/* 1 - use upper 4 bit for FB */
94 
95 #define IBM561_SYNC_CNTL		0x0020
96 	#define SYNC_HSYNC_ENABLE	0x20
97 	#define SYNC_HSYNC_POLARITY	0x08	/* 1 - active high */
98 	#define SYNC_SYNC_ON_GREEN	0x02
99 	#define SYNC_ENABLE_PEDESTAL	0x01
100 
101 #define IBM561_PLL_VCO_DIV		0x0021
102 #define IBM561_PLL_REF_REG		0x0022
103 #define IBM561_CURS_CNTL_REG		0x0030
104 	#define CURS_COLOR_3_TRANS	0x80	/* 0 - color 3, 1 - trans */
105 	#define CURS_SEPARATE		0x40	/* move crosshair separately */
106 	#define CURS_OVERLAP_MASK	0x30
107 	#define CURS_OVERLAP_XOR	0x00	/* XOR cursor and xhair */
108 	#define CURS_OVERLAP_OR		0x10
109 	#define CURS_OVERLAP_CURSOR	0x20	/* cursor has priority */
110 	#define CURS_OVERLAP_XHAIR	0x30	/* crosshair has priority */
111 	#define CURS_XHAIR_BLINK	0x08	/* enable xhair blinking */
112 	#define CURS_XHAIR_ENABLE	0x04
113 	#define CURS_BLINK		0x02	/* blink cursor */
114 	#define CURS_ENABLE		0x01	/* enable cursor */
115 
116 #define IBM561_XHAIR_CONTROL_REG	0x0031
117 	#define XHAIR_PRIORITY		0x80	/* FILL or OUTLINE colour */
118 	#define XHAIR_WIDTH_MASK	0x60
119 	#define XHAIR_WIDTH_1		0x00
120 	#define XHAIR_WIDTH_3		0x20
121 	#define XHAIR_WIDTH_5		0x40
122 	#define XHAIR_WIDTH_7		0x60
123 	#define XHAIR_CLIP_MASK		0x18
124 	#define XHAIR_CLIP_NONE		0x00
125 	#define XHAIR_CLIP_SCISSORS	0x08	/* use scissors registers */
126 	#define XHAIR_CLIP_WINDOW	0x10	/* use window registers */
127 	#define XHAIR_CLIP_BOTH		0x18	/* window/scissor intersect */
128 	#define XHAIR_COLOR_MASK	0x06	/* 0 is transparent */
129 	#define XHAIR_EXT_PATTERN	0x01	/* enables colours, patterns */
130 
131 #define IBM561_CURSOR_BLINK_RATE	0x0032
132 #define IBM561_CURSOR_BLINK_DUTY	0x0033
133 #define IBM561_HOTSPOT_REG		0x0034
134 #define IBM561_HOTSPOT_X_REG		0x0034
135 #define IBM561_HOTSPOT_Y_REG		0x0035
136 
137 /* two registers each, low 8 bit first */
138 #define IBM561_CURSOR_X_REG		0x0036
139 #define IBM561_CURSOR_Y_REG		0x0038
140 
141 #define IBM561_XHAIR_SCISSORS		0x0040
142 	/*
143 	 * four 16bit registers, low first
144 	 * X start, Y start, X end, Y end
145 	 */
146 
147 #define IBM561_XHAIR_LOCATION		0x0048
148 	/* 2x 16bit, X first, lsb first */
149 
150 #define IBM561_XHAIR_PATTERN_CONTROL	0x004c
151 #define IBM561_XHAIR_PATTERN_HORZ	0x004d
152 #define IBM561_XHAIR_PATTERN_VERT	0x004e
153 
154 #define IBM561_VRAM_MASK_REG		0x0050
155 
156 #define IBM561_DAC_CONTROL		0x005f
157 	#define DAC_DISABLE_OUTPUT	0x08
158 	#define DAC_10BIT_ENABLE	0x04	/* 0 forces bit 0 to 0 */
159 	#define DAC_SHUNT_ENABLE	0x02
160 	#define DAC_SLEW_ENABLE		0x01	/* 0 - 2.5ns, 1 - 7.5ns */
161 
162 #define IBM561_CURSOR_LUT		0x0a10
163 	/*
164 	 * four blocks of 4, transparent, 1, 2, 3 each
165 	 * cursor orimary, cursor blink, xhair primary, xhair blink
166 	 */
167 
168 #define IBM561_CURSOR_BITMAP		0x2000
169 	/* 64x64, 2bit packed, msb first */
170 
171 #define IBM561_DIV_DOTCLCK		0x0082
172 #define IBM561_FB_WINTYPE		0x1000
173 	#define FB_CLUT_SELECT_MASK	0x03c0	/* selects which 64 entry block
174 						 * in the CLUT to start with */
175 	#define FB_PIXEL_FORM_MASK	0x0030
176 	#define FB_PIXEL_8BIT		0x0000
177 	#define FB_PIXEL_12BIT		0x0010
178 	#define FB_PIXEL_16BIT		0x0020
179 	#define FB_PIXEL_24BIT		0x0030
180 	#define FB_BUFFER_SELECT	0x0008	/* 1 - buffer B */
181 	#define FB_MODE_MASK		0x0006
182 	#define FB_MODE_INDEXED		0x0000
183 	#define FB_MODE_GREYSCALE	0x0002
184 	#define FB_MODE_DIRECT		0x0004
185 	#define FB_MODE_TRUECOLOR	0x0006	/* doesn't work right for me */
186 	#define FB_MODE_TRANSP_ENABLE	0x0001
187 
188 #define IBM561_AUXFB_WINTYPE		0x0e00
189 	#define AUXFB_BYPASS_GAMMA	0x04
190 	#define AUXFB_XHAIR_ENABLE	0x02
191 	#define AUXFB_TRANSPARENT	0x01	/* 0 - 0x00, 1 - 0xff */
192 
193 #define IBM561_OL_WINTYPE		0x1400
194 	#define OL_CLUT_SELECT_MASK	0x03c0	/* selects which 64 entry block
195 						 * in the CLUT to start with */
196 	#define OL_PIXEL_FORM_MASK	0x0030
197 	#define OL_PIXEL_8BIT		0x0000
198 	#define OL_PIXEL_6_2BIT		0x0010	/* 6 overlay, 2 underlay */
199 	#define OL_PIXEL_4_4BIT		0x0020
200 	#define OL_PIXEL_4_DBL		0x0030
201 	#define OL_BUFFER_SELECT	0x0008	/* 1 - buffer B */
202 	#define OL_MODE_MASK		0x0006
203 	#define OL_MODE_INDEXED		0x0000
204 	#define OL_MODE_GREYSCALE	0x0002
205 	#define OL_MODE_INDIRECT	0x0004
206 	#define OL_MODE_DIRECT		0x0006
207 	#define OL_MODE_TRANSP_ENABLE	0x0001
208 
209 #define IBM561_AUXOL_WINTYPE		0x0f00
210 	#define AUXOL_TRANSP_MASK	0x21
211 	#define AUXOL_TRANSP_00		0x00
212 	#define AUXOL_TRANSP_FF		0x01
213 	#define AUXOL_TRANSP_CHROMA0	0x20
214 	#define AUXOL_TRANSP_CHROMA1	0x21
215 	#define AUXOL_UNDERLAY_ENABLE	0x10
216 	#define AUXOL_OVERLAY_ENABLE	0x08
217 	#define AUXOL_BYPASS_GAMMA	0x04
218 	#define AUXOL_XHAIR_ENABLE	0x02
219 
220 #define IBM561_CMAP_TABLE		0x4000
221 #define IBM561_RED_GAMMA_TABLE		0x3000
222 #define IBM561_GREEN_GAMMA_TABLE	0x3400
223 #define IBM561_BLUE_GAMMA_TABLE		0x3800
224 
225 #define IBM561_CHROMAKEY0		0x0010
226 #define IBM561_CHROMAKEY1		0x0011
227 #define IBM561_CHROMAKEYMASK0		0x0012
228 #define IBM561_CHROMAKEYMASK1		0x0013
229 
230 #define IBM561_WAT_SEG_REG		0x0006
231 
232 #define IBM561_NCMAP_ENTRIES		1024
233 #define IBM561_NGAMMA_ENTRIES		256
234 
235 /* we actually have 1024 of them, but I am just
236  * going define a few, so this is good.
237  */
238 #define IBM561_NWTYPES			16
239