xref: /netbsd/sys/arch/vax/include/qduser.h (revision 6550d01e)
1 /*	$NetBSD: qduser.h,v 1.5 2006/10/09 18:42:59 oster 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. Neither the name of the University nor the names of its contributors
15  *    may be used to endorse or promote products derived from this software
16  *    without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  *	@(#)qduser.h	7.1 (Berkeley) 5/9/91
31  */
32 
33 /* derived from: @(#)qduser.h	6.1	(ULTRIX)	11/24/87       */
34 /************************************************************************
35  *									*
36  *			Copyright (c) 1986 by				*
37  *		Digital Equipment Corporation, Maynard, MA		*
38  *			All rights reserved.				*
39  *									*
40  *   This software is furnished under a license and may be used and	*
41  *   copied  only  in accordance with the terms of such license and	*
42  *   with the  inclusion  of  the  above  copyright  notice.   This	*
43  *   software  or  any  other copies thereof may not be provided or	*
44  *   otherwise made available to any other person.  No title to and	*
45  *   ownership of the software is hereby transferred.			*
46  *									*
47  *   The information in this software is subject to change  without	*
48  *   notice  and should not be construed as a commitment by Digital	*
49  *   Equipment Corporation.						*
50  *									*
51  *   Digital assumes no responsibility for the use  or  reliability	*
52  *   of its software on equipment which is not supplied by Digital.	*
53  *									*
54  ************************************************************************/
55 
56 /***************************************************************************
57 *
58 *	QDUSER...
59 *	This file defines values shared between the driver and a client
60 *
61 ***************************************************************************/
62 
63 /***************************************************************************
64 *	revision history:
65 ****************************************************************************
66 *
67 * 21 jul 86  ram    fixed define of CURSOR_MIN_Y
68 * 25 nov 85  longo  added macro and bit defines for DMA error flags
69 * 11 nov 85  longo  renamed _vs_eventqueue to "qdinput" struct
70 * 23 oct 85  longo  added more defines to the DMA stuff
71 * 17 oct 85  longo  changed "struct rgb" chars to be unsigned
72 * 16 oct 85  longo  added new TABLET support definitions
73 * 15 oct 85  longo  re-wrote DMA queue access macros
74 * 08 oct 85  longo  added status flag manipulation macros to DMA stuff
75 * 02 oct 85  longo  added support for color map write buffer loading
76 * 26 sep 85  longo  removed adder sertup params from DMA request struct
77 * 23 sep 85  longo  added DMA queue access macros
78 * 30 aug 85  longo  fixed crock in "qdiobuf" struct compile-time sizing. Also
79 *		    removed DMAcontrol struct from DMA buffer for field test
80 * 26 aug 85  longo  put in conditional include of "qevent.h" for user prg's
81 * 18 jul 85  longo  changed semantics so that head is tail and tail is head
82 * 12 jul 85  longo  moved "mouse_report" struct and defs over to qd_data.c
83 * 11 jul 85  longo  added device coordinate to gate array cursor coordinate
84 *		    transformation macros
85 * 03 jul 85  longo  changed kernel typdef's for data types to long-hand
86 * 10 may 85  longo  created
87 *
88 ***************************************************************************/
89 
90 #ifndef _QDUSER_H_
91 #define _QDUSER_H_
92 
93 #ifdef KERNEL
94 #include "../include/qevent.h"		/* include event struct defs */
95 #else
96 #include <vax/qevent.h>
97 #endif
98 
99 /*---------------------
100 * QDSS device map */
101 
102 	struct qdmap {			/* map of register blocks in QDSS */
103 
104 	    char *template;
105 	    char *adder;
106 	    char *dga;
107 	    char *duart;
108 	    char *memcsr;
109 	    char *red;
110 	    char *blue;
111 	    char *green;
112 	};
113 
114 /*--------------------------------------------
115 * DGA CSR bit definitions and register map */
116 
117 #define DMADONE		0x8000		/* DMA done status */
118 #define SET_DONE_FIFO	0x4000		/* set DMADONE when FIFO empty.. */
119 					/* ..AND count = 0 */
120 
121 #define PTOB_ENB	0x0600		/* host-to-bitmap DMA xfer */
122 #define BTOP_ENB	0x0400		/* bitmap-to-host DMA xfer */
123 #define DL_ENB		0x0200		/* display list DMA xfer */
124 #define HALT		0x0000		/* halt DGA */
125 
126 #define BYTE_DMA	0x0100		/* byte/word DMA xfer */
127 
128 #define DMA_ERR		0x0080		/* DMA error bits */
129 #define PARITY_ERR	0x0040		/* memory parity error in DMA */
130 #define BUS_ERR		0x0020		/* bus timeout error in DMA */
131 
132 #define GLOBAL_IE	0x0004		/* global interrupt enable */
133 #define DMA_IE		0x0002		/* DMA interrupt enable */
134 #define CURS_ENB	0x0001		/* cursor enable */
135 
136 /* QDSS memcsr bit definitions */
137 
138 #define	UNBLANK			0x0020
139 #define SYNC_ON			0x0008
140 
141 	struct dga {
142 
143 	    unsigned short csr;
144 	    unsigned short adrs_lo;	/* destination address of bitmap to */
145 	    unsigned short adrs_hi;	/*   host DMA */
146 	    unsigned short bytcnt_lo;	/* byte length of requested DMA */
147 	    unsigned short bytcnt_hi;	/* (WO = bytcnt) (RO = fifo count) */
148 	    unsigned short fifo;	/* FIFO register */
149 	    unsigned short x_cursor;	/* cursor position registers */
150 	    unsigned short y_cursor;
151 	    unsigned short ivr;		/* interrupt vector register */
152 	    unsigned short memadr;	/* memory base address register */
153 	};
154 
155 /*-------------------------------------------------------------------------
156 * macros to transform device coordinates to hardware cursor coordinates */
157 
158 #define CURS_MIN_X 	232	/* device coordinate x = 0 */
159 #define CURS_MIN_Y 	16	/* device coordinate y = 0 */
160 
161 #define TRANX(x) ( -(((int)(x)+CURS_MIN_X) & ~0x0003) | \
162 		   (((int)(x)+CURS_MIN_X) & 0x0003) )
163 
164 #define TRANY(y) ( -((y)+CURS_MIN_Y) )
165 
166 /*********************************************************************
167 *
168 *	EVENT QUEUE DEFINITIONS
169 *
170 **********************************************************************
171 * most of the event queue definitions are found in "qevent.h".  But a
172 * few things not found there are here.  */
173 
174 /* The event queue header */
175 
176 struct qdinput {
177 
178 	    struct _vs_eventqueue header;  /* event queue ring handling */
179 
180 	    /* for VS100 and QVSS compatibility reasons, additions to this
181 	    *  structure must be made below this point.  */
182 
183 	    struct _vs_cursor curs_pos;	/* current mouse position */
184 	    struct _vs_box curs_box;	/* cursor reporting box */
185 
186 	};
187 
188 /* vse_key field.  definitions for mouse buttons */
189 
190 #define VSE_LEFT_BUTTON		0
191 #define VSE_MIDDLE_BUTTON	1
192 #define VSE_RIGHT_BUTTON	2
193 
194 /* vse_key field.  definitions for mouse buttons */
195 
196 #define VSE_T_LEFT_BUTTON	0
197 #define VSE_T_FRONT_BUTTON	1
198 #define VSE_T_RIGHT_BUTTON	2
199 #define VSE_T_BACK_BUTTON	4
200 
201 #define VSE_T_BARREL_BUTTON	VSE_T_LEFT_BUTTON
202 #define VSE_T_TIP_BUTTON	VSE_T_FRONT_BUTTON
203 
204 /*--------------------------------------------------------------------------
205 *   These are the macros to be used for loading and extracting from the event
206 * queue.  It is presumed that the macro user will only use the access macros
207 * if the event queue is non-empty ( ISEMPTY(eq) == FALSE ), and that the
208 * driver will only load the event queue after checking that it is not full
209 * ( ISFULL(eq) == FALSE ).  ("eq" is a pointer to the event queue header.)
210 *
211 *   Before an event access session for a particular event, the macro users
212 * must use the xxxBEGIN macro, and the xxxEND macro after an event is through
213 * with.  As seen below, the xxxBEGIN and xxxEND macros maintain the event
214 * queue access mechanism.
215 *
216 * First, the macros to be used by the event queue reader
217 */
218 
219 #define ISEMPTY(eq)	  ((eq)->header.head == (eq)->header.tail)
220 #define GETBEGIN(eq)	  (&(eq)->header.events[(eq)->header.head])
221 
222 #define GET_X(event)	  ((event)->vse_x)  	     /* get x position */
223 #define GET_Y(event)	  ((event)->vse_y)  	     /* get y position */
224 #define GET_TIME(event)	  ((event)->vse_time) 	     /* get time */
225 #define GET_TYPE(event)	  ((event)->vse_type)	     /* get entry type */
226 #define GET_KEY(event)	  ((event)->vse_key)  	     /* get keycode */
227 #define GET_DIR(event)	  ((event)->vse_direction)     /* get direction */
228 #define GET_DEVICE(event) ((event)->vse_device)        /* get device */
229 
230 #define GETEND(eq)        (++(eq)->header.head >= (eq)->header.size ? \
231 			   (eq)->header.head = 0 : 0 )
232 
233 /*------------------------------------------------
234 * macros to be used by the event queue loader  */
235 
236 	/* ISFULL yields TRUE if queue is full */
237 
238 #define ISFULL(eq)	((eq)->header.tail+1 == (eq)->header.head ||   \
239 			 ((eq)->header.tail+1 == (eq)->header.size &&  \
240 			  (eq)->header.head == 0))
241 
242 	/* get address of the billet for NEXT event */
243 
244 #define PUTBEGIN(eq)	(&(eq)->header.events[(eq)->header.tail])
245 
246 #define PUT_X(event, value)  	((event)->vse_x = value)    /* put X pos */
247 #define PUT_Y(event, value)   	((event)->vse_y = value)    /* put Y pos */
248 #define PUT_TIME(event, value)	((event)->vse_time = value)   /* put time */
249 #define PUT_TYPE(event, value)	((event)->vse_type = value) /* put type */
250 #define PUT_KEY(event, value)	((event)->vse_key = value) /* put input key */
251 #define PUT_DIR(event, value)	((event)->vse_direction = value) /* put dir */
252 #define PUT_DEVICE(event, value) ((event)->vse_device = value)   /* put dev */
253 
254 #define PUTEND(eq)     (++(eq)->header.tail >= (eq)->header.size ?  \
255 			(eq)->header.tail = 0 : 0)
256 
257 /******************************************************************
258 *
259 *	DMA I/O DEFINITIONS
260 *
261 ******************************************************************/
262 
263 /*---------------------------------------------------------------------
264 * The DMA request queue is implemented as a ring buffer of "DMAreq"
265   structures.  The queue is accessed using ring indices located in the
266   "DMAreq_header" structure.  Access is implemented using access macros
267   similar to the event queue access macros above.  */
268 
269 	struct DMAreq {
270 
271 	    short DMAtype;		/* DMA type code (for QDSS) */
272 	    short DMAdone;		/* DMA done parameter */
273 	    char  *bufp;		/* virtual adrs of buffer */
274 	    int   length;	        /* transfer buffer length */
275 	};
276 
277 /* DMA type command codes */
278 
279 #define DISPLIST	1	/* display list DMA */
280 #define PTOB		2	/* 1 plane Qbus to bitmap DMA */
281 #define BTOP		3	/* 1 plane bitmap to Qbus DMA */
282 
283 /* DMA done notification code */
284 
285 #define FIFO_EMPTY	0x01	/* DONE when FIFO becomes empty */
286 #define COUNT_ZERO	0x02	/* DONE when count becomes zero */
287 #define WORD_PACK	0x04    /* program the gate array for word packing */
288 #define BYTE_PACK	0x08	/* program gate array for byte packing */
289 #define REQUEST_DONE	0x100	/* clear when driver has processed request */
290 #define HARD_ERROR	0x200   /* DMA hardware error occurred */
291 
292 /* DMA request queue is a ring buffer of request structures */
293 
294 	struct DMAreq_header {
295 
296 	    int QBAreg;		    /* cookie Qbus map reg for this buffer */
297 	    short status;	    /* master DMA status word */
298 	    int shared_size;	    /* size of shared memory in bytes */
299 	    struct DMAreq *DMAreq;  /* start address of request queue */
300 	    int used;		    /* # of queue entries currently used */
301 	    int size;		    /* # of "DMAreq"'s in the request queue */
302 	    int oldest;		    /* index to oldest queue'd request */
303 	    int newest;		    /* index to newest queue'd request */
304 	};
305 
306 /* bit definitions for DMAstatus word in DMAreq_header */
307 
308 #define	DMA_ACTIVE	0x0004		/* DMA in progress */
309 #define DMA_ERROR	0x0080		/* DMA hardware error */
310 #define DMA_IGNORE	0x0002		/* flag to ignore this interrupt */
311 
312 /*------------------------------------------
313 * macros for DMA request queue fiddling  */
314 
315 	/* DMA status set/check macros */
316 
317 #define DMA_SETACTIVE(header)   ((header)->status |= DMA_ACTIVE)
318 #define DMA_CLRACTIVE(header)	((header)->status &= ~DMA_ACTIVE)
319 #define DMA_ISACTIVE(header)    ((header)->status & DMA_ACTIVE)
320 
321 #define DMA_SETERROR(header)    ((header)->status |= DMA_ERROR)
322 #define DMA_CLRERROR(header)    ((header)->status &= ~DMA_ERROR)
323 #define DMA_ISERROR(header)     ((header)->status & DMA_ERROR)
324 
325 #define DMA_SETIGNORE(header)	((header)->status |= DMA_IGNORE)
326 #define DMA_CLRIGNORE(header)   ((header)->status &= ~DMA_IGNORE)
327 #define DMA_ISIGNORE(header)    ((header)->status & DMA_IGNORE)
328 
329 	/* yields TRUE if queue is empty (ISEMPTY) or full (ISFULL) */
330 
331 #define DMA_ISEMPTY(header)	((header)->used == 0)
332 #define DMA_ISFULL(header)	((header)->used >= (header)->size)
333 
334 	/* returns address of the billet for next (PUT)
335 	 * or oldest (GET) request */
336 
337 #define DMA_PUTBEGIN(header)	(&(header)->DMAreq[(header)->newest])
338 #define DMA_GETBEGIN(header)  	(&(header)->DMAreq[(header)->oldest])
339 
340 	/* does queue access pointer maintenance */
341 
342 #define DMA_GETEND(header)      (++(header)->oldest >= (header)->size    \
343 				  ? (header)->oldest = 0 : 0);		 \
344 				--(header)->used;
345 
346 #define DMA_PUTEND(header)     	(++(header)->newest >= (header)->size    \
347 				  ? (header)->newest = 0 : 0);		 \
348 				++(header)->used;
349 
350 /******************************************************************
351 *
352 *	COLOR MAP WRITE BUFFER DEFINITIONS
353 *
354 ******************************************************************/
355 
356 	struct rgb {
357 
358 	    unsigned char offset;	/* color map address for load */
359 	    unsigned char red;		/* data for red map */
360 	    unsigned char green;	/* data for green map */
361 	    unsigned char blue;		/* data for blue map */
362 	};
363 
364 	struct color_buf {
365 
366 	    char status;		/* load request/service status */
367 	    short count;		/* number of entries to br loaded */
368 	    struct rgb rgb[256];
369 	};
370 
371 #define LOAD_COLOR_MAP	0x0001
372 
373 /******************************************************************
374 *
375 *	SCROLL ASSIST DEFINITIONS
376 *
377 ******************************************************************/
378 
379 	struct scroll {
380 
381 	    short status;
382 	    short viper_constant;
383 	    short y_scroll_constant;
384 	    short y_offset;
385 	    short x_index_pending;
386 	    short y_index_pending;
387 	};
388 
389 #define LOAD_REGS	0x0001
390 #define LOAD_INDEX	0x0002
391 
392 /******************************************************************
393 *
394 *	MOUSE/TABLET/KBD PROGRAMMING DEFINITIONS
395 *
396 ******************************************************************/
397 
398 /*-----------------------------------
399 * LK201 programmming definitions  */
400 
401 #define LK_UPDOWN 	0x86		/* bits for setting lk201 modes */
402 #define LK_AUTODOWN 	0x82
403 #define LK_DOWN 	0x80
404 #define LK_DEFAULTS 	0xD3		/* reset (some) default settings */
405 #define LK_AR_ENABLE 	0xE3		/* global auto repeat enable */
406 #define LK_CL_ENABLE 	0x1B		/* keyclick enable */
407 #define LK_KBD_ENABLE 	0x8B		/* keyboard enable */
408 #define LK_BELL_ENABLE 	0x23		/* the bell */
409 #define LK_RING_BELL 	0xA7		/* ring keyboard bell */
410 
411 #define LK_LED_ENABLE 	0x13		/* light led */
412 #define LK_LED_DISABLE 	0x11		/* turn off led */
413 #define LED_1 		0x81		/* led bits */
414 #define LED_2 		0x82
415 #define LED_3 		0x84
416 #define LED_4 		0x88
417 #define LED_ALL 	0x8F
418 #define LK_LED_HOLD	LED_4
419 #define LK_LED_LOCK	LED_3
420 #define LK_LED_COMPOSE	LED_2
421 #define LK_LED_WAIT 	LED_1
422 
423 #define LK_KDOWN_ERROR	0x3D		/* key down on powerup error */
424 #define LK_POWER_ERROR 	0x3E		/* keyboard failure on powerup test */
425 #define LK_OUTPUT_ERROR	0xB5		/* keystrokes lost during inhibit */
426 #define LK_INPUT_ERROR 	0xB6		/* garbage command to keyboard */
427 #define LK_LOWEST	0x56		/* lowest significant keycode */
428 #define LK_DIV6_START	0xAD		/* start of div 6 */
429 #define LK_DIV5_END	0xB2		/* end of div 5 */
430 
431 #define LAST_PARAM	0x80		/* "no more params" bit */
432 
433 	struct prgkbd {
434 
435 	    short cmd;			/* LK201 command opcode */
436 	    short param1;		/* 1st cmd parameter (can be null) */
437 	    short param2;		/* 2nd cmd parameter (can be null) */
438 	};
439 
440 /*-------------------------
441 * "special" LK-201 keys */
442 
443 #define SHIFT		174
444 #define LOCK		176
445 #define REPEAT		180
446 #define CNTRL		175
447 #define ALLUP		179
448 
449 /*--------------------------------
450 * cursor programming structure */
451 
452 	struct prg_cursor {
453 
454 	    unsigned short acc_factor;	/* cursor aceleration factor */
455 	    unsigned short threshold;	/* threshold to trigger acc at */
456 	};
457 
458 /*---------------------
459 * mouse definitions */
460 
461 #define INC_STREAM_MODE	'R'		/* stream mode reports (55 hz) */
462 #define PROMPT_MODE	'D'		/* report when prompted */
463 #define REQUEST_POS	'P'		/* request position report */
464 #define SELF_TEST	'T'		/* request self test */
465 
466 #define MOUSE_ID	0x2		/* mouse ID in lo 4 bits */
467 
468 #define START_FRAME	0x80		/* start of report frame bit */
469 #define X_SIGN		0x10		/* position sign bits */
470 #define Y_SIGN		0x08
471 
472 #define RIGHT_BUTTON	0x01		/* mouse buttons */
473 #define MIDDLE_BUTTON	0x02
474 #define LEFT_BUTTON	0x04
475 
476 	/* mouse report structure definition */
477 
478 	struct mouse_report {
479 
480 	    char state;		/* buttons and sign bits */
481 	    short dx;		/* delta X since last change */
482 	    short dy;		/* delta Y since last change */
483 	    char bytcnt;	/* mouse report byte count */
484 	};
485 
486 /*-----------------------------------------
487 * tablet command/interface definitions  */
488 
489 #define T_STREAM	'R'		/* continuous stream report mode */
490 #define T_POINT	 	'D'		/* enter report-on-request mode */
491 #define T_REQUEST	'P'		/* request position report */
492 
493 #define T_BAUD		'B'		/* increase baud to 9600 from 4800 */
494 #define T_RATE_55	'K'		/* report rate: 55/sec */
495 #define T_RATE_72	'L'		/* report rate: 72/sec */
496 #define T_RATE_120	'M'		/* report rate: 120/sec (9600 only) */
497 
498 #define T_TEST		SELF_TEST	/* do self test */
499 
500 #define TABLET_ID	0x4		/* tablet ID in lo 4 bits */
501 
502 #define T_START_FRAME	0x80		/* start of report frame bit */
503 #define T_PROXIMITY	0x01		/* state pointer in proximity */
504 
505 #define T_LEFT_BUTTON	0x02		/* puck buttons */
506 #define T_FRONT_BUTTON	0x04
507 #define T_RIGHT_BUTTON	0x08
508 #define T_BACK_BUTTON	0x10
509 
510 #define T_BARREL_BUTTON T_LEFT_BUTTON		/* stylus buttons */
511 #define T_TIP_BUTTON	T_FRONT_BUTTON
512 
513 #endif /* _QDUSER_H_ */
514