xref: /netbsd/sys/arch/vax/include/qduser.h (revision bf9ec67e)
1 /*	$NetBSD: qduser.h,v 1.2 2001/06/11 01:50:55 wiz 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  *	@(#)qduser.h	7.1 (Berkeley) 5/9/91
35  */
36 
37 /* derived from: @(#)qduser.h	6.1	(ULTRIX)	11/24/87       */
38 /************************************************************************
39  *									*
40  *			Copyright (c) 1986 by				*
41  *		Digital Equipment Corporation, Maynard, MA		*
42  *			All rights reserved.				*
43  *									*
44  *   This software is furnished under a license and may be used and	*
45  *   copied  only  in accordance with the terms of such license and	*
46  *   with the  inclusion  of  the  above  copyright  notice.   This	*
47  *   software  or  any  other copies thereof may not be provided or	*
48  *   otherwise made available to any other person.  No title to and	*
49  *   ownership of the software is hereby transferred.			*
50  *									*
51  *   The information in this software is subject to change  without	*
52  *   notice  and should not be construed as a commitment by Digital	*
53  *   Equipment Corporation.						*
54  *									*
55  *   Digital assumes no responsibility for the use  or  reliability	*
56  *   of its software on equipment which is not supplied by Digital.	*
57  *									*
58  ************************************************************************/
59 
60 /***************************************************************************
61 *
62 *	QDUSER...
63 *	This file defines values shared between the driver and a client
64 *
65 ***************************************************************************/
66 
67 /***************************************************************************
68 *	revision history:
69 ****************************************************************************
70 *
71 * 21 jul 86  ram    fixed define of CURSOR_MIN_Y
72 * 25 nov 85  longo  added macro and bit defines for DMA error flags
73 * 11 nov 85  longo  renamed _vs_eventqueue to "qdinput" struct
74 * 23 oct 85  longo  added more defines to the DMA stuff
75 * 17 oct 85  longo  changed "struct rgb" chars to be unsigned
76 * 16 oct 85  longo  added new TABLET support definitions
77 * 15 oct 85  longo  re-wrote DMA queue access macros
78 * 08 oct 85  longo  added status flag manipulation macros to DMA stuff
79 * 02 oct 85  longo  added support for color map write buffer loading
80 * 26 sep 85  longo  removed adder sertup params from DMA request struct
81 * 23 sep 85  longo  added DMA queue access macros
82 * 30 aug 85  longo  fixed crock in "qdiobuf" struct compile-time sizing. Also
83 *		    removed DMAcontrol struct from DMA buffer for field test
84 * 26 aug 85  longo  put in conditional include of "qevent.h" for user prg's
85 * 18 jul 85  longo  changed semantics so that head is tail and tail is head
86 * 12 jul 85  longo  moved "mouse_report" struct and defs over to qd_data.c
87 * 11 jul 85  longo  added device coordinate to gate array cursor coordinate
88 *		    transformation macros
89 * 03 jul 85  longo  changed kernel typdef's for data types to long-hand
90 * 10 may 85  longo  created
91 *
92 ***************************************************************************/
93 
94 #ifdef KERNEL
95 #include "../include/qevent.h"		/* include event struct defs */
96 #else
97 #include <vax/uba/qevent.h>
98 #endif
99 
100 /*---------------------
101 * QDSS device map */
102 
103 	struct qdmap {			/* map of register blocks in QDSS */
104 
105 	    char *template;
106 	    char *adder;
107 	    char *dga;
108 	    char *duart;
109 	    char *memcsr;
110 	    char *red;
111 	    char *blue;
112 	    char *green;
113 	};
114 
115 /*--------------------------------------------
116 * DGA CSR bit definitions and register map */
117 
118 #define DMADONE		0x8000		/* DMA done status */
119 #define SET_DONE_FIFO	0x4000		/* set DMADONE when FIFO empty.. */
120 					/* ..AND count = 0 */
121 
122 #define PTOB_ENB	0x0600		/* host-to-bitmap DMA xfer */
123 #define BTOP_ENB	0x0400		/* bitmap-to-host DMA xfer */
124 #define DL_ENB		0x0200		/* display list DMA xfer */
125 #define HALT		0x0000		/* halt DGA */
126 
127 #define BYTE_DMA	0x0100		/* byte/word DMA xfer */
128 
129 #define DMA_ERR		0x0080		/* DMA error bits */
130 #define PARITY_ERR	0x0040		/* memory parity error in DMA */
131 #define BUS_ERR		0x0020		/* bus timeout error in DMA */
132 
133 #define GLOBAL_IE	0x0004		/* global interrupt enable */
134 #define DMA_IE		0x0002		/* DMA interrupt enable */
135 #define CURS_ENB	0x0001		/* cursor enable */
136 
137 /* QDSS memcsr bit definitions */
138 
139 #define	UNBLANK			0x0020
140 #define SYNC_ON			0x0008
141 
142 	struct dga {
143 
144 	    unsigned short csr;
145 	    unsigned short adrs_lo;	/* destination address of bitmap to */
146 	    unsigned short adrs_hi;	/*   host DMA */
147 	    unsigned short bytcnt_lo;	/* byte length of requested DMA */
148 	    unsigned short bytcnt_hi;	/* (WO = bytcnt) (RO = fifo count) */
149 	    unsigned short fifo;	/* FIFO register */
150 	    unsigned short x_cursor;	/* cursor position registers */
151 	    unsigned short y_cursor;
152 	    unsigned short ivr;		/* interrupt vector register */
153 	    unsigned short memadr;	/* memory base address register */
154 	};
155 
156 /*-------------------------------------------------------------------------
157 * macros to transform device coordinates to hardware cursor coordinates */
158 
159 #define CURS_MIN_X 	232	/* device coordinate x = 0 */
160 #define CURS_MIN_Y 	16	/* device coordinate y = 0 */
161 
162 #define TRANX(x) ( -(((int)(x)+CURS_MIN_X) & ~0x0003) | \
163 		   (((int)(x)+CURS_MIN_X) & 0x0003) )
164 
165 #define TRANY(y) ( -((y)+CURS_MIN_Y) )
166 
167 /*********************************************************************
168 *
169 *	EVENT QUEUE DEFINITIONS
170 *
171 **********************************************************************
172 * most of the event queue definitions are found in "qevent.h".  But a
173 * few things not found there are here.  */
174 
175 /* The event queue header */
176 
177 struct qdinput {
178 
179 	    struct _vs_eventqueue header;  /* event queue ring handling */
180 
181 	    /* for VS100 and QVSS compatibility reasons, additions to this
182 	    *  structure must be made below this point.  */
183 
184 	    struct _vs_cursor curs_pos;	/* current mouse position */
185 	    struct _vs_box curs_box;	/* cursor reporting box */
186 
187 	};
188 
189 /* vse_key field.  definitions for mouse buttons */
190 
191 #define VSE_LEFT_BUTTON		0
192 #define VSE_MIDDLE_BUTTON	1
193 #define VSE_RIGHT_BUTTON	2
194 
195 /* vse_key field.  definitions for mouse buttons */
196 
197 #define VSE_T_LEFT_BUTTON	0
198 #define VSE_T_FRONT_BUTTON	1
199 #define VSE_T_RIGHT_BUTTON	2
200 #define VSE_T_BACK_BUTTON	4
201 
202 #define VSE_T_BARREL_BUTTON	VSE_T_LEFT_BUTTON
203 #define VSE_T_TIP_BUTTON	VSE_T_FRONT_BUTTON
204 
205 /*--------------------------------------------------------------------------
206 *   These are the macros to be used for loading and extracting from the event
207 * queue.  It is presumed that the macro user will only use the access macros
208 * if the event queue is non-empty ( ISEMPTY(eq) == FALSE ), and that the
209 * driver will only load the event queue after checking that it is not full
210 * ( ISFULL(eq) == FALSE ).  ("eq" is a pointer to the event queue header.)
211 *
212 *   Before an event access session for a particular event, the macro users
213 * must use the xxxBEGIN macro, and the xxxEND macro after an event is through
214 * with.  As seen below, the xxxBEGIN and xxxEND macros maintain the event
215 * queue access mechanism.
216 *
217 * First, the macros to be used by the event queue reader
218 */
219 
220 #define ISEMPTY(eq)	  ((eq)->header.head == (eq)->header.tail)
221 #define GETBEGIN(eq)	  (&(eq)->header.events[(eq)->header.head])
222 
223 #define GET_X(event)	  ((event)->vse_x)  	     /* get x position */
224 #define GET_Y(event)	  ((event)->vse_y)  	     /* get y position */
225 #define GET_TIME(event)	  ((event)->vse_time) 	     /* get time */
226 #define GET_TYPE(event)	  ((event)->vse_type)	     /* get entry type */
227 #define GET_KEY(event)	  ((event)->vse_key)  	     /* get keycode */
228 #define GET_DIR(event)	  ((event)->vse_direction)     /* get direction */
229 #define GET_DEVICE(event) ((event)->vse_device)        /* get device */
230 
231 #define GETEND(eq)        (++(eq)->header.head >= (eq)->header.size ? \
232 			   (eq)->header.head = 0 : 0 )
233 
234 /*------------------------------------------------
235 * macros to be used by the event queue loader  */
236 
237 	/* ISFULL yields TRUE if queue is full */
238 
239 #define ISFULL(eq)	((eq)->header.tail+1 == (eq)->header.head ||   \
240 			 ((eq)->header.tail+1 == (eq)->header.size &&  \
241 			  (eq)->header.head == 0))
242 
243 	/* get address of the billet for NEXT event */
244 
245 #define PUTBEGIN(eq)	(&(eq)->header.events[(eq)->header.tail])
246 
247 #define PUT_X(event, value)  	((event)->vse_x = value)    /* put X pos */
248 #define PUT_Y(event, value)   	((event)->vse_y = value)    /* put Y pos */
249 #define PUT_TIME(event, value)	((event)->vse_time = value)   /* put time */
250 #define PUT_TYPE(event, value)	((event)->vse_type = value) /* put type */
251 #define PUT_KEY(event, value)	((event)->vse_key = value) /* put input key */
252 #define PUT_DIR(event, value)	((event)->vse_direction = value) /* put dir */
253 #define PUT_DEVICE(event, value) ((event)->vse_device = value)   /* put dev */
254 
255 #define PUTEND(eq)     (++(eq)->header.tail >= (eq)->header.size ?  \
256 			(eq)->header.tail = 0 : 0)
257 
258 /******************************************************************
259 *
260 *	DMA I/O DEFINITIONS
261 *
262 ******************************************************************/
263 
264 /*---------------------------------------------------------------------
265 * The DMA request queue is implemented as a ring buffer of "DMAreq"
266   structures.  The queue is accessed using ring indices located in the
267   "DMAreq_header" structure.  Access is implemented using access macros
268   similar to the event queue access macros above.  */
269 
270 	struct DMAreq {
271 
272 	    short DMAtype;		/* DMA type code (for QDSS) */
273 	    short DMAdone;		/* DMA done parameter */
274 	    char  *bufp;		/* virtual adrs of buffer */
275 	    int   length;	        /* transfer buffer length */
276 	};
277 
278 /* DMA type command codes */
279 
280 #define DISPLIST	1	/* display list DMA */
281 #define PTOB		2	/* 1 plane Qbus to bitmap DMA */
282 #define BTOP		3	/* 1 plane bitmap to Qbus DMA */
283 
284 /* DMA done notification code */
285 
286 #define FIFO_EMPTY	0x01	/* DONE when FIFO becomes empty */
287 #define COUNT_ZERO	0x02	/* DONE when count becomes zero */
288 #define WORD_PACK	0x04    /* program the gate array for word packing */
289 #define BYTE_PACK	0x08	/* program gate array for byte packing */
290 #define REQUEST_DONE	0x100	/* clear when driver has processed request */
291 #define HARD_ERROR	0x200   /* DMA hardware error occurred */
292 
293 /* DMA request queue is a ring buffer of request structures */
294 
295 	struct DMAreq_header {
296 
297 	    int QBAreg;		    /* cookie Qbus map reg for this buffer */
298 	    short status;	    /* master DMA status word */
299 	    int shared_size;	    /* size of shared memory in bytes */
300 	    struct DMAreq *DMAreq;  /* start address of request queue */
301 	    int used;		    /* # of queue entries currently used */
302 	    int size;		    /* # of "DMAreq"'s in the request queue */
303 	    int oldest;		    /* index to oldest queue'd request */
304 	    int newest;		    /* index to newest queue'd request */
305 	};
306 
307 /* bit definitions for DMAstatus word in DMAreq_header */
308 
309 #define	DMA_ACTIVE	0x0004		/* DMA in progress */
310 #define DMA_ERROR	0x0080		/* DMA hardware error */
311 #define DMA_IGNORE	0x0002		/* flag to ignore this interrupt */
312 
313 /*------------------------------------------
314 * macros for DMA request queue fiddling  */
315 
316 	/* DMA status set/check macros */
317 
318 #define DMA_SETACTIVE(header)   ((header)->status |= DMA_ACTIVE)
319 #define DMA_CLRACTIVE(header)	((header)->status &= ~DMA_ACTIVE)
320 #define DMA_ISACTIVE(header)    ((header)->status & DMA_ACTIVE)
321 
322 #define DMA_SETERROR(header)    ((header)->status |= DMA_ERROR)
323 #define DMA_CLRERROR(header)    ((header)->status &= ~DMA_ERROR)
324 #define DMA_ISERROR(header)     ((header)->status & DMA_ERROR)
325 
326 #define DMA_SETIGNORE(header)	((header)->status |= DMA_IGNORE)
327 #define DMA_CLRIGNORE(header)   ((header)->status &= ~DMA_IGNORE)
328 #define DMA_ISIGNORE(header)    ((header)->status & DMA_IGNORE)
329 
330 	/* yields TRUE if queue is empty (ISEMPTY) or full (ISFULL) */
331 
332 #define DMA_ISEMPTY(header)	((header)->used == 0)
333 #define DMA_ISFULL(header)	((header)->used >= (header)->size)
334 
335 	/* returns address of the billet for next (PUT)
336 	 * or oldest (GET) request */
337 
338 #define DMA_PUTBEGIN(header)	(&(header)->DMAreq[(header)->newest])
339 #define DMA_GETBEGIN(header)  	(&(header)->DMAreq[(header)->oldest])
340 
341 	/* does queue access pointer maintenance */
342 
343 #define DMA_GETEND(header)      (++(header)->oldest >= (header)->size    \
344 				  ? (header)->oldest = 0 : 0);		 \
345 				--(header)->used;
346 
347 #define DMA_PUTEND(header)     	(++(header)->newest >= (header)->size    \
348 				  ? (header)->newest = 0 : 0);		 \
349 				++(header)->used;
350 
351 /******************************************************************
352 *
353 *	COLOR MAP WRITE BUFFER DEFINITIONS
354 *
355 ******************************************************************/
356 
357 	struct rgb {
358 
359 	    unsigned char offset;	/* color map address for load */
360 	    unsigned char red;		/* data for red map */
361 	    unsigned char green;	/* data for green map */
362 	    unsigned char blue;		/* data for blue map */
363 	};
364 
365 	struct color_buf {
366 
367 	    char status;		/* load request/service status */
368 	    short count;		/* number of entries to br loaded */
369 	    struct rgb rgb[256];
370 	};
371 
372 #define LOAD_COLOR_MAP	0x0001
373 
374 /******************************************************************
375 *
376 *	SCROLL ASSIST DEFINITIONS
377 *
378 ******************************************************************/
379 
380 	struct scroll {
381 
382 	    short status;
383 	    short viper_constant;
384 	    short y_scroll_constant;
385 	    short y_offset;
386 	    short x_index_pending;
387 	    short y_index_pending;
388 	};
389 
390 #define LOAD_REGS	0x0001
391 #define LOAD_INDEX	0x0002
392 
393 /******************************************************************
394 *
395 *	MOUSE/TABLET/KBD PROGRAMMING DEFINITIONS
396 *
397 ******************************************************************/
398 
399 /*-----------------------------------
400 * LK201 programmming definitions  */
401 
402 #define LK_UPDOWN 	0x86		/* bits for setting lk201 modes */
403 #define LK_AUTODOWN 	0x82
404 #define LK_DOWN 	0x80
405 #define LK_DEFAULTS 	0xD3		/* reset (some) default settings */
406 #define LK_AR_ENABLE 	0xE3		/* global auto repeat enable */
407 #define LK_CL_ENABLE 	0x1B		/* keyclick enable */
408 #define LK_KBD_ENABLE 	0x8B		/* keyboard enable */
409 #define LK_BELL_ENABLE 	0x23		/* the bell */
410 #define LK_RING_BELL 	0xA7		/* ring keyboard bell */
411 
412 #define LK_LED_ENABLE 	0x13		/* light led */
413 #define LK_LED_DISABLE 	0x11		/* turn off led */
414 #define LED_1 		0x81		/* led bits */
415 #define LED_2 		0x82
416 #define LED_3 		0x84
417 #define LED_4 		0x88
418 #define LED_ALL 	0x8F
419 #define LK_LED_HOLD	LED_4
420 #define LK_LED_LOCK	LED_3
421 #define LK_LED_COMPOSE	LED_2
422 #define LK_LED_WAIT 	LED_1
423 
424 #define LK_KDOWN_ERROR	0x3D		/* key down on powerup error */
425 #define LK_POWER_ERROR 	0x3E		/* keyboard failure on powerup test */
426 #define LK_OUTPUT_ERROR	0xB5		/* keystrokes lost during inhibit */
427 #define LK_INPUT_ERROR 	0xB6		/* garbage command to keyboard */
428 #define LK_LOWEST	0x56		/* lowest significant keycode */
429 #define LK_DIV6_START	0xAD		/* start of div 6 */
430 #define LK_DIV5_END	0xB2		/* end of div 5 */
431 
432 #define LAST_PARAM	0x80		/* "no more params" bit */
433 
434 	struct prgkbd {
435 
436 	    short cmd;			/* LK201 command opcode */
437 	    short param1;		/* 1st cmd parameter (can be null) */
438 	    short param2;		/* 2nd cmd parameter (can be null) */
439 	};
440 
441 /*-------------------------
442 * "special" LK-201 keys */
443 
444 #define SHIFT		174
445 #define LOCK		176
446 #define REPEAT		180
447 #define CNTRL		175
448 #define ALLUP		179
449 
450 /*--------------------------------
451 * cursor programming structure */
452 
453 	struct prg_cursor {
454 
455 	    unsigned short acc_factor;	/* cursor aceleration factor */
456 	    unsigned short threshold;	/* threshold to trigger acc at */
457 	};
458 
459 /*---------------------
460 * mouse definitions */
461 
462 #define INC_STREAM_MODE	'R'		/* stream mode reports (55 hz) */
463 #define PROMPT_MODE	'D'		/* report when prompted */
464 #define REQUEST_POS	'P'		/* request position report */
465 #define SELF_TEST	'T'		/* request self test */
466 
467 #define MOUSE_ID	0x2		/* mouse ID in lo 4 bits */
468 
469 #define START_FRAME	0x80		/* start of report frame bit */
470 #define X_SIGN		0x10		/* position sign bits */
471 #define Y_SIGN		0x08
472 
473 #define RIGHT_BUTTON	0x01		/* mouse buttons */
474 #define MIDDLE_BUTTON	0x02
475 #define LEFT_BUTTON	0x04
476 
477 	/* mouse report structure definition */
478 
479 	struct mouse_report {
480 
481 	    char state;		/* buttons and sign bits */
482 	    short dx;		/* delta X since last change */
483 	    short dy;		/* delta Y since last change */
484 	    char bytcnt;	/* mouse report byte count */
485 	};
486 
487 /*-----------------------------------------
488 * tablet command/interface definitions  */
489 
490 #define T_STREAM	'R'		/* continuous stream report mode */
491 #define T_POINT	 	'D'		/* enter report-on-request mode */
492 #define T_REQUEST	'P'		/* request position report */
493 
494 #define T_BAUD		'B'		/* increase baud to 9600 from 4800 */
495 #define T_RATE_55	'K'		/* report rate: 55/sec */
496 #define T_RATE_72	'L'		/* report rate: 72/sec */
497 #define T_RATE_120	'M'		/* report rate: 120/sec (9600 only) */
498 
499 #define T_TEST		SELF_TEST	/* do self test */
500 
501 #define TABLET_ID	0x4		/* tablet ID in lo 4 bits */
502 
503 #define T_START_FRAME	0x80		/* start of report frame bit */
504 #define T_PROXIMITY	0x01		/* state pointer in proximity */
505 
506 #define T_LEFT_BUTTON	0x02		/* puck buttons */
507 #define T_FRONT_BUTTON	0x04
508 #define T_RIGHT_BUTTON	0x08
509 #define T_BACK_BUTTON	0x10
510 
511 #define T_BARREL_BUTTON T_LEFT_BUTTON		/* stylus buttons */
512 #define T_TIP_BUTTON	T_FRONT_BUTTON
513 
514