xref: /netbsd/sys/dev/qbus/qdreg.h (revision bf9ec67e)
1 /*	$NetBSD: qdreg.h,v 1.3 1999/06/20 17:58:56 ragge Exp $	*/
2 /*-
3  * Copyright (c) 1982, 1986 The Regents of the University of California.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *	This product includes software developed by the University of
17  *	California, Berkeley and its contributors.
18  * 4. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  *	@(#)qdreg.h	7.1 (Berkeley) 5/9/91
35  */
36 
37 /************************************************************************
38  *									*
39  *			Copyright (c) 1985, 1986 by			*
40  *		Digital Equipment Corporation, Maynard, MA		*
41  *			All rights reserved.				*
42  *									*
43  *   This software is furnished under a license and may be used and	*
44  *   copied  only  in accordance with the terms of such license and	*
45  *   with the  inclusion  of  the  above  copyright  notice.   This	*
46  *   software  or  any	other copies thereof may not be provided or	*
47  *   otherwise made available to any other person.  No title to and	*
48  *   ownership of the software is hereby transferred.			*
49  *									*
50  *   The information in this software is subject to change  without	*
51  *   notice  and should not be construed as a commitment by Digital	*
52  *   Equipment Corporation.						*
53  *									*
54  *   Digital assumes no responsibility for the use  or	reliability	*
55  *   of its software on equipment which is not supplied by Digital.	*
56  *									*
57  ************************************************************************/
58 
59 /* Dragon ADDER reg map */
60 /* ADDER register bit definitions */
61 /* Y_SCROLL_CONSTANT */
62 
63 #define SCROLL_ERASE		0x2000
64 #define ADDER_SCROLL_DOWN	0x1000
65 
66 /* ADDER status and interrupt enable registers [1], [2], [3] */
67 
68 #define DISABLE 		0x0000
69 #define PAUSE_COMPLETE		0x0001
70 #define FRAME_SYNC		0x0002
71 #define INIT_COMPLETE		0x0004
72 #define RASTEROP_COMPLETE	0x0008
73 
74 #define ADDRESS_COMPLETE	0x0010
75 #define RX_READY		0x0020
76 #define TX_READY		0x0040
77 #define ID_SCROLL_READY 	0x0080
78 
79 #define TOP_CLIP		0x0100
80 #define BOTTOM_CLIP		0x0200
81 #define LEFT_CLIP		0x0400
82 #define RIGHT_CLIP		0x0800
83 #define NO_CLIP 		0x1000
84 #define VSYNC			0x2000
85 
86 /* ADDER command register [8], [10] */
87 
88 #define OCR_zero		0x0000
89 #define Z_BLOCK0		0x0000
90 #define OCRA			0x0000
91 #define OCRB			0x0004
92 #define RASTEROP		0x02c0
93 #define PBT			0x03c0
94 #define BTPZ			0x0bb0
95 #define PTBZ			0x07a0
96 #define DTE			0x0400
97 #define S1E			0x0800
98 #define S2E			0x1000
99 #define VIPER_Z_LOAD		0x01A0
100 #define ID_LOAD 		0x0100
101 #define CANCEL			0x0000
102 #define LF_R1			0x0000
103 #define LF_R2			0x0010
104 #define LF_R3			0x0020
105 #define LF_R4			0x0030
106 
107 /* ADDER rasterop mode register [9] */
108 
109 #define NORMAL			0x0000
110 #define LINEAR_PATTERN		0x0002
111 #define X_FILL			0x0003
112 #define Y_FILL			0x0007
113 #define BASELINE		0x0008
114 #define HOLE_ENABLE		0x0010
115 #define SRC_1_INDEX_ENABLE	0x0020
116 #define DST_INDEX_ENABLE	0x0040
117 #define DST_WRITE_ENABLE	0x0080
118 
119 /* ADDER source 2 size register */
120 
121 #define NO_TILE 		0x0080
122 
123 /* External registers base addresses */
124 
125 #define CS_UPDATE_MASK		0x0060
126 #define CS_SCROLL_MASK		0x0040
127 
128 /* VIPER registers */
129 
130 #define RESOLUTION_MODE 	0x0080
131 #define MEMORY_BUS_WIDTH	0x0081
132 #define PLANE_ADDRESS		0x0083
133 #define LU_FUNCTION_R1		0x0084
134 #define LU_FUNCTION_R2		0x0085
135 #define LU_FUNCTION_R3		0x0086
136 #define LU_FUNCTION_R4		0x0087
137 #define MASK_1			0x0088
138 #define MASK_2			0x0089
139 #define SOURCE			0x008a
140 #define SOURCE_Z		0x0000
141 #define BACKGROUND_COLOR	0x008e
142 #define BACKGROUND_COLOR_Z	0x000C
143 #define FOREGROUND_COLOR	0x008f
144 #define FOREGROUND_COLOR_Z	0x0004
145 #define SRC1_OCR_A		0x0090
146 #define SRC2_OCR_A		0x0091
147 #define DST_OCR_A		0x0092
148 #define SRC1_OCR_B		0x0094
149 #define SRC2_OCR_B		0x0095
150 #define DST_OCR_B		0x0096
151 
152 /* VIPER scroll registers */
153 
154 #define SCROLL_CONSTANT 	0x0082
155 #define SCROLL_FILL		0x008b
156 #define SCROLL_FILL_Z		0x0008
157 #define LEFT_SCROLL_MASK	0x008c
158 #define RIGHT_SCROLL_MASK	0x008d
159 
160 /* VIPER register bit definitions */
161 
162 #define EXT_NONE		0x0000
163 #define EXT_SOURCE		0x0001
164 #define EXT_M1_M2		0x0002
165 #define INT_NONE		0x0000
166 #define INT_SOURCE		0x0004
167 #define INT_M1_M2		0x0008
168 #define ID			0x0010
169 #define NO_ID			0x0000
170 #define WAIT			0x0020
171 #define NO_WAIT 		0x0000
172 #define BAR_SHIFT_DELAY 	WAIT
173 #define NO_BAR_SHIFT_DELAY	NO_WAIT
174 
175 
176 /* VIPER logical function unit codes */
177 
178 #define LF_ZEROS		0x0000
179 #define LF_D_XOR_S		0x0006
180 #define LF_SOURCE		0x000A
181 #define LF_D_OR_S		0x000E
182 #define LF_ONES 		0x000F
183 #define INV_M1_M2		0x0030
184 #define FULL_SRC_RESOLUTION	0X00C0 /* makes second pass like first pass */
185 
186 /* VIPER scroll register [2] */
187 
188 #define SCROLL_DISABLE		0x0040
189 #define SCROLL_ENABLE		0x0020
190 #define VIPER_LEFT		0x0000
191 #define VIPER_RIGHT		0x0010
192 #define VIPER_UP		0x0040
193 #define VIPER_DOWN		0x0000
194 
195 /* Adder scroll register */
196 
197 #define ADDER_UP		0x0000
198 #define ADDER_DOWN		0x1000
199 
200 /* Misc scroll definitions */
201 
202 #define UP		0
203 #define DOWN		1
204 #define LEFT		2
205 #define RIGHT		3
206 #define NODIR		4
207 #define SCROLL_VMAX	31
208 #define SCROLL_HMAX	15
209 #define NEW		2
210 #define OLD		1
211 #define BUSY		1
212 #define DRAG		1
213 #define SCROLL		0
214 
215 /* miscellaneous defines */
216 
217 #define ALL_PLANES	0xffffffff
218 #define UNITY		0x1fff		 /* Adder scale factor */
219 #define MAX_SCREEN_X	1024
220 #define MAX_SCREEN_Y	864
221 #define FONT_HEIGHT	32
222 
223 	struct adder {
224 
225 	    /* adder control registers */
226 
227 	    u_short register_address;	/* ADDER reg pntr for use by DGA */
228 	    u_short request_enable;	/* DMA request enables */
229 	    u_short interrupt_enable;	/* interrupt enables */
230 	    u_short status;		/* ADDER status bits */
231 	    u_short reserved1;		/* test function only */
232 	    u_short spare1;		/* spare address (what else?) */
233 
234 	    u_short reserved2;		/* test function only */
235 	    u_short id_data;		/* data path to I/D bus */
236 	    u_short command;		/* ADDER chip command register */
237 	    u_short rasterop_mode;	/* sets rasterop execution modes */
238 	    u_short cmd;		/* duplicate path to above cmd reg */
239 	    u_short reserved3;		/* test function only */
240 
241 	    /* scroll registers */
242 
243 	    u_short ID_scroll_data;	/* I/D bus scroll data */
244 	    u_short ID_scroll_command;	/* I/D bus scroll command */
245 	    u_short scroll_x_min;	/* X scroll min - left boundary */
246 	    u_short scroll_x_max;	/* X scroll max - right boundary */
247 	    u_short scroll_y_min;	/* Y scroll min - upper boundary */
248 	    u_short scroll_y_max;	/* Y scroll max - lower boundary */
249 	    u_short pause;		/* Y coord to set stat when scanned */
250 	    u_short y_offset_pending;	/* vertical scroll control */
251 	    u_short y_scroll_constant;
252 
253 	    /* update control registers */
254 
255 	    u_short x_index_pending;	/* x pending index */
256 	    u_short y_index_pending;	/* y pending index */
257 	    u_short x_index_new;	/* new x index */
258 	    u_short y_index_new;		/* new y index */
259 	    u_short x_index_old;		/* old x index */
260 	    u_short y_index_old;		/* old y index */
261 	    u_short x_clip_min; 	/* left clipping boundary */
262 	    u_short x_clip_max; 	/* right clipping boundary */
263 	    u_short y_clip_min; 	/* upper clipping boundary */
264 	    u_short y_clip_max; 	/* lower clipping boundary */
265 	    u_short spare2;		/* spare address (another!) */
266 
267 	    /* rasterop control registers */
268 
269 	    u_short source_1_dx;	/* source #1 x vector */
270 	    u_short source_1_dy;	/* source #1 y vector*/
271 	    u_short source_1_x; 	/* source #1 x origin */
272 	    u_short source_1_y; 	/* source #1 y origin */
273 	    u_short destination_x;	/* destination x origin */
274 	    u_short destination_y;	/* destination y origin */
275 	    u_short fast_dest_dx;	/* destination x fast vector */
276 	    u_short fast_dest_dy;	/* destination y fast vector */
277 	    u_short slow_dest_dx;	/* destination x slow vector */
278 	    u_short slow_dest_dy;	/* destination y slow vector */
279 	    u_short fast_scale; 	/* scale factor for fast vector */
280 	    u_short slow_scale; 	/* scale factor for slow vector */
281 	    u_short source_2_x; 	/* source #2 x origin */
282 	    u_short source_2_y; 	/* source #2 y origin */
283 	    u_short source_2_size;	/* source #2 height & width */
284 	    u_short error_1;		/* error regs (?) */
285 	    u_short error_2;
286 
287 	    /* screen format control registers */
288 
289 	    u_short y_scan_count_0;	/* y scan counts for vert timing */
290 	    u_short y_scan_count_1;
291 	    u_short y_scan_count_2;
292 	    u_short y_scan_count_3;
293 	    u_short x_scan_conf;	/* x scan configuration */
294 	    u_short x_limit;
295 	    u_short y_limit;
296 	    u_short x_scan_count_0;	/* x scan count for horiz timing */
297 	    u_short x_scan_count_1;
298 	    u_short x_scan_count_2;
299 	    u_short x_scan_count_3;
300 	    u_short x_scan_count_4;
301 	    u_short x_scan_count_5;
302 	    u_short x_scan_count_6;
303 	    u_short sync_phase_adj;	/* sync phase (horiz sync count) */
304 	};
305 
306 /*---------------------
307 * DUART definitions */
308 
309 	/* command definitions */
310 
311 #define EN_RCV		0x01
312 #define DIS_RCV 	0x02
313 #define EN_XMT		0x04
314 #define DIS_XMT 	0x08
315 #define RESET_M 	0x10
316 #define RESET_RCV	0x20
317 #define RESET_XMT	0x30
318 #define RESET_ERR	0x40
319 #define RESET_BD	0x50
320 #define START_BREAK	0x60
321 #define STOP_BREAK	0x70
322 
323 	/* interupt bit definitions */
324 
325 #define EI_XMT_A	0x01
326 #define EI_RCV_A	0x02
327 #define EI_XMT_B	0x10
328 #define EI_RCV_B	0x20
329 
330 #define XMT_RDY_A	0x01
331 #define RCV_RDY_A	0x02
332 #define XMT_RDY_B	0x10
333 #define RCV_RDY_B	0x20
334 
335 	/* status register bit defintions */
336 
337 #define RCV_RDY 	0x01
338 #define FIFO_FULL	0x02
339 #define XMT_RDY 	0x04
340 #define XMT_EMT 	0x08
341 #define OVER_ERR	0x10
342 #define ERR_PARITY	0x20
343 #define FRAME_ERR	0x40
344 #define RCVD_BREAK	0x80
345 
346 
347 	struct duart {
348 
349 	    /* channel A - LK201 */
350 
351 	    short modeA;		/* ch.A mode reg (read/write) */
352 	    short statusA;		/* ch.A status reg (read) */
353 #define clkselA statusA 		/* ch.A clock slect reg (write) */
354 	    short cmdA; 		/* ch.A command reg (write) */
355 	    short dataA;		/* rcv/xmt data ch.A (read/write) */
356 	    short inchng;		/* input change state reg (read) */
357 #define auxctl inchng			/* auxiliary control reg (write) */
358 	    short istatus;		/* interrupt status reg (read) */
359 #define imask istatus			/* interrupt mask reg (write) */
360 	    short CThi; 		/* counter/timer hi byte (read) */
361 #define CTRhi CThi			/* counter/timer hi reg (write) */
362 	    short CTlo; 		/* counter/timer lo byte (read) */
363 #define CTRlo CTlo			/* counter/timer lo reg (write) */
364 
365 	    /* channel B - pointing device */
366 
367 	    short modeB;		/* ch.B mode reg (read/write) */
368 	    short statusB;		/* ch.B status reg (read) */
369 #define clkselB statusB 		/* ch.B clock select reg (write) */
370 	    short cmdB; 		/* ch.B command reg (write) */
371 	    short dataB;		/* ch.B rcv/xmt data (read/write) */
372 	    short rsrvd;
373 	    short inport;		/* input port (read) */
374 #define outconf inport			/* output port config reg (write) */
375 	    short strctr;		/* start counter command (read) */
376 #define setbits setctr			/* output bits set command (write) */
377 	    short stpctr;		/* stop counter command (read) */
378 #define resetbits stpctr		/* output bits reset cmd (write) */
379 
380 };
381