xref: /original-bsd/sys/vax/uba/qduser.h (revision 31e799e3)
1 /*
2  * Copyright (c) 1982, 1986 Regents of the University of California.
3  * All rights reserved.  The Berkeley software License Agreement
4  * specifies the terms and conditions for redistribution.
5  *
6  * 		@(#)qduser.h	1.5  Berkeley  12/16/90
7  */
8 /* derived from: @(#)qduser.h	6.1	(ULTRIX)	11/24/87       */
9 /************************************************************************
10  *									*
11  *			Copyright (c) 1986 by				*
12  *		Digital Equipment Corporation, Maynard, MA		*
13  *			All rights reserved.				*
14  *									*
15  *   This software is furnished under a license and may be used and	*
16  *   copied  only  in accordance with the terms of such license and	*
17  *   with the  inclusion  of  the  above  copyright  notice.   This	*
18  *   software  or  any  other copies thereof may not be provided or	*
19  *   otherwise made available to any other person.  No title to and	*
20  *   ownership of the software is hereby transferred.			*
21  *									*
22  *   The information in this software is subject to change  without	*
23  *   notice  and should not be construed as a commitment by Digital	*
24  *   Equipment Corporation.						*
25  *									*
26  *   Digital assumes no responsibility for the use  or  reliability	*
27  *   of its software on equipment which is not supplied by Digital.	*
28  *									*
29  ************************************************************************/
30 
31 /***************************************************************************
32 *
33 *	QDUSER...
34 *	This file defines values shared between the driver and a client
35 *
36 ***************************************************************************/
37 
38 /***************************************************************************
39 *	revision history:
40 ****************************************************************************
41 *
42 * 21 jul 86  ram    fixed define of CURSOR_MIN_Y
43 * 25 nov 85  longo  added macro and bit defines for DMA error flags
44 * 11 nov 85  longo  renamed _vs_eventqueue to "qdinput" struct
45 * 23 oct 85  longo  added more defines to the DMA stuff
46 * 17 oct 85  longo  changed "struct rgb" chars to be unsigned
47 * 16 oct 85  longo  added new TABLET support definitions
48 * 15 oct 85  longo  re-wrote DMA queue access macros
49 * 08 oct 85  longo  added status flag manipulation macros to DMA stuff
50 * 02 oct 85  longo  added support for color map write buffer loading
51 * 26 sep 85  longo  removed adder sertup params from DMA request struct
52 * 23 sep 85  longo  added DMA queue access macros
53 * 30 aug 85  longo  fixed crock in "qdiobuf" struct compile-time sizing. Also
54 *		    removed DMAcontrol struct from DMA buffer for field test
55 * 26 aug 85  longo  put in conditional include of "qevent.h" for user prg's
56 * 18 jul 85  longo  changed semantics so that head is tail and tail is head
57 * 12 jul 85  longo  moved "mouse_report" struct and defs over to qd_data.c
58 * 11 jul 85  longo  added device coordinate to gate array cursor coordinate
59 *		    transformation macros
60 * 03 jul 85  longo  changed kernel typdef's for data types to long-hand
61 * 10 may 85  longo  created
62 *
63 ***************************************************************************/
64 
65 #ifdef KERNEL
66 #include "../uba/qevent.h"		/* include event struct defs */
67 #else
68 #include <vax/uba/qevent.h>
69 #endif
70 
71 /*---------------------
72 * QDSS device map */
73 
74 	struct qdmap {			/* map of register blocks in QDSS */
75 
76 	    char *template;
77 	    char *adder;
78 	    char *dga;
79 	    char *duart;
80 	    char *memcsr;
81 	    char *red;
82 	    char *blue;
83 	    char *green;
84 	};
85 
86 /*--------------------------------------------
87 * DGA CSR bit definitions and register map */
88 
89 #define DMADONE		0x8000		/* DMA done status */
90 #define SET_DONE_FIFO	0x4000		/* set DMADONE when FIFO empty.. */
91 					/* ..AND count = 0 */
92 
93 #define PTOB_ENB	0x0600		/* host-to-bitmap DMA xfer */
94 #define BTOP_ENB	0x0400		/* bitmap-to-host DMA xfer */
95 #define DL_ENB		0x0200		/* display list DMA xfer */
96 #define HALT		0x0000		/* halt DGA */
97 
98 #define BYTE_DMA	0x0100		/* byte/word DMA xfer */
99 
100 #define DMA_ERR		0x0080		/* DMA error bits */
101 #define PARITY_ERR	0x0040		/* memory parity error in DMA */
102 #define BUS_ERR		0x0020		/* bus timeout error in DMA */
103 
104 #define GLOBAL_IE	0x0004		/* global interrupt enable */
105 #define DMA_IE		0x0002		/* DMA interrupt enable */
106 #define CURS_ENB	0x0001		/* cursor enable */
107 
108 /* QDSS memcsr bit definitions */
109 
110 #define	UNBLANK			0x0020
111 #define SYNC_ON			0x0008
112 
113 	struct dga {
114 
115 	    unsigned short csr;
116 	    unsigned short adrs_lo;	/* destination address of bitmap to */
117 	    unsigned short adrs_hi;	/*   host DMA */
118 	    unsigned short bytcnt_lo;	/* byte length of requested DMA */
119 	    unsigned short bytcnt_hi;	/* (WO = bytcnt) (RO = fifo count) */
120 	    unsigned short fifo;	/* FIFO register */
121 	    unsigned short x_cursor;	/* cursor position registers */
122 	    unsigned short y_cursor;
123 	    unsigned short ivr;		/* interrupt vector register */
124 	    unsigned short memadr;	/* memory base address register */
125 	};
126 
127 /*-------------------------------------------------------------------------
128 * macros to transform device coordinates to hardware cursor coordinates */
129 
130 #define CURS_MIN_X 	232	/* device coordinate x = 0 */
131 #define CURS_MIN_Y 	16	/* device coordinate y = 0 */
132 
133 #define TRANX(x) ( -(((int)(x)+CURS_MIN_X) & ~0x0003) | \
134 		   (((int)(x)+CURS_MIN_X) & 0x0003) )
135 
136 #define TRANY(y) ( -((y)+CURS_MIN_Y) )
137 
138 /*********************************************************************
139 *
140 *	EVENT QUEUE DEFINITIONS
141 *
142 **********************************************************************
143 * most of the event queue definitions are found in "qevent.h".  But a
144 * few things not found there are here.  */
145 
146 /* The event queue header */
147 
148 typedef struct qdinput {
149 
150 	    struct _vs_eventqueue header;  /* event queue ring handling */
151 
152 	    /* for VS100 and QVSS compatability reasons, additions to this
153 	    *  structure must be made below this point.  */
154 
155 	    struct _vs_cursor curs_pos;	/* current mouse position */
156 	    struct _vs_box curs_box;	/* cursor reporting box */
157 
158 	};
159 
160 /* vse_key field.  definitions for mouse buttons */
161 
162 #define VSE_LEFT_BUTTON		0
163 #define VSE_MIDDLE_BUTTON	1
164 #define VSE_RIGHT_BUTTON	2
165 
166 /* vse_key field.  definitions for mouse buttons */
167 
168 #define VSE_T_LEFT_BUTTON	0
169 #define VSE_T_FRONT_BUTTON	1
170 #define VSE_T_RIGHT_BUTTON	2
171 #define VSE_T_BACK_BUTTON	4
172 
173 #define VSE_T_BARREL_BUTTON	VSE_T_LEFT_BUTTON
174 #define VSE_T_TIP_BUTTON	VSE_T_FRONT_BUTTON
175 
176 /*--------------------------------------------------------------------------
177 *   These are the macros to be used for loading and extracting from the event
178 * queue.  It is presumed that the macro user will only use the access macros
179 * if the event queue is non-empty ( ISEMPTY(eq) == FALSE ), and that the
180 * driver will only load the event queue after checking that it is not full
181 * ( ISFULL(eq) == FALSE ).  ("eq" is a pointer to the event queue header.)
182 *
183 *   Before an event access session for a particular event, the macro users
184 * must use the xxxBEGIN macro, and the xxxEND macro after an event is through
185 * with.  As seen below, the xxxBEGIN and xxxEND macros maintain the event
186 * queue access mechanism.
187 *
188 * First, the macros to be used by the event queue reader
189 */
190 
191 #define ISEMPTY(eq)	  ((eq)->header.head == (eq)->header.tail)
192 #define GETBEGIN(eq)	  (&(eq)->header.events[(eq)->header.head])
193 
194 #define GET_X(event)	  ((event)->vse_x)  	     /* get x position */
195 #define GET_Y(event)	  ((event)->vse_y)  	     /* get y position */
196 #define GET_TIME(event)	  ((event)->vse_time) 	     /* get time */
197 #define GET_TYPE(event)	  ((event)->vse_type)	     /* get entry type */
198 #define GET_KEY(event)	  ((event)->vse_key)  	     /* get keycode */
199 #define GET_DIR(event)	  ((event)->vse_direction)     /* get direction */
200 #define GET_DEVICE(event) ((event)->vse_device)        /* get device */
201 
202 #define GETEND(eq)        (++(eq)->header.head >= (eq)->header.size ? \
203 			   (eq)->header.head = 0 : 0 )
204 
205 /*------------------------------------------------
206 * macros to be used by the event queue loader  */
207 
208 	/* ISFULL yields TRUE if queue is full */
209 
210 #define ISFULL(eq)	((eq)->header.tail+1 == (eq)->header.head ||   \
211 			 ((eq)->header.tail+1 == (eq)->header.size &&  \
212 			  (eq)->header.head == 0))
213 
214 	/* get address of the billet for NEXT event */
215 
216 #define PUTBEGIN(eq)	(&(eq)->header.events[(eq)->header.tail])
217 
218 #define PUT_X(event, value)  	((event)->vse_x = value)    /* put X pos */
219 #define PUT_Y(event, value)   	((event)->vse_y = value)    /* put Y pos */
220 #define PUT_TIME(event, value)	((event)->vse_time = value)   /* put time */
221 #define PUT_TYPE(event, value)	((event)->vse_type = value) /* put type */
222 #define PUT_KEY(event, value)	((event)->vse_key = value) /* put input key */
223 #define PUT_DIR(event, value)	((event)->vse_direction = value) /* put dir */
224 #define PUT_DEVICE(event, value) ((event)->vse_device = value)   /* put dev */
225 
226 #define PUTEND(eq)     (++(eq)->header.tail >= (eq)->header.size ?  \
227 			(eq)->header.tail = 0 : 0)
228 
229 /******************************************************************
230 *
231 *	DMA I/O DEFINITIONS
232 *
233 ******************************************************************/
234 
235 /*---------------------------------------------------------------------
236 * The DMA request queue is implemented as a ring buffer of "DMAreq"
237   structures.  The queue is accessed using ring indices located in the
238   "DMAreq_header" structure.  Access is implemented using access macros
239   similar to the event queue access macros above.  */
240 
241 	struct DMAreq {
242 
243 	    short DMAtype;		/* DMA type code (for QDSS) */
244 	    short DMAdone;		/* DMA done parameter */
245 	    char  *bufp;		/* virtual adrs of buffer */
246 	    int   length;	        /* transfer buffer length */
247 	};
248 
249 /* DMA type command codes */
250 
251 #define DISPLIST	1	/* display list DMA */
252 #define PTOB		2	/* 1 plane Qbus to bitmap DMA */
253 #define BTOP		3	/* 1 plane bitmap to Qbus DMA */
254 
255 /* DMA done notification code */
256 
257 #define FIFO_EMPTY	0x01	/* DONE when FIFO becomes empty */
258 #define COUNT_ZERO	0x02	/* DONE when count becomes zero */
259 #define WORD_PACK	0x04    /* program the gate array for word packing */
260 #define BYTE_PACK	0x08	/* program gate array for byte packing */
261 #define REQUEST_DONE	0x100	/* clear when driver has processed request */
262 #define HARD_ERROR	0x200   /* DMA hardware error occurred */
263 
264 /* DMA request queue is a ring buffer of request structures */
265 
266 	struct DMAreq_header {
267 
268 	    int QBAreg;		    /* cookie Qbus map reg for this buffer */
269 	    short status;	    /* master DMA status word */
270 	    int shared_size;	    /* size of shared memory in bytes */
271 	    struct DMAreq *DMAreq;  /* start address of request queue */
272 	    int used;		    /* # of queue entries currently used */
273 	    int size;		    /* # of "DMAreq"'s in the request queue */
274 	    int oldest;		    /* index to oldest queue'd request */
275 	    int newest;		    /* index to newest queue'd request */
276 	};
277 
278 /* bit definitions for DMAstatus word in DMAreq_header */
279 
280 #define	DMA_ACTIVE	0x0004		/* DMA in progress */
281 #define DMA_ERROR	0x0080		/* DMA hardware error */
282 #define DMA_IGNORE	0x0002		/* flag to ignore this interrupt */
283 
284 /*------------------------------------------
285 * macros for DMA request queue fiddling  */
286 
287 	/* DMA status set/check macros */
288 
289 #define DMA_SETACTIVE(header)   ((header)->status |= DMA_ACTIVE)
290 #define DMA_CLRACTIVE(header)	((header)->status &= ~DMA_ACTIVE)
291 #define DMA_ISACTIVE(header)    ((header)->status & DMA_ACTIVE)
292 
293 #define DMA_SETERROR(header)    ((header)->status |= DMA_ERROR)
294 #define DMA_CLRERROR(header)    ((header)->status &= ~DMA_ERROR)
295 #define DMA_ISERROR(header)     ((header)->status & DMA_ERROR)
296 
297 #define DMA_SETIGNORE(header)	((header)->status |= DMA_IGNORE)
298 #define DMA_CLRIGNORE(header)   ((header)->status &= ~DMA_IGNORE)
299 #define DMA_ISIGNORE(header)    ((header)->status & DMA_IGNORE)
300 
301 	/* yields TRUE if queue is empty (ISEMPTY) or full (ISFULL) */
302 
303 #define DMA_ISEMPTY(header)	((header)->used == 0)
304 #define DMA_ISFULL(header)	((header)->used >= (header)->size)
305 
306 	/* returns address of the billet for next (PUT)
307 	 * or oldest (GET) request */
308 
309 #define DMA_PUTBEGIN(header)	(&(header)->DMAreq[(header)->newest])
310 #define DMA_GETBEGIN(header)  	(&(header)->DMAreq[(header)->oldest])
311 
312 	/* does queue access pointer maintenance */
313 
314 #define DMA_GETEND(header)      (++(header)->oldest >= (header)->size    \
315 				  ? (header)->oldest = 0 : 0);		 \
316 				--(header)->used;
317 
318 #define DMA_PUTEND(header)     	(++(header)->newest >= (header)->size    \
319 				  ? (header)->newest = 0 : 0);		 \
320 				++(header)->used;
321 
322 /******************************************************************
323 *
324 *	COLOR MAP WRITE BUFFER DEFINITIONS
325 *
326 ******************************************************************/
327 
328 	struct rgb {
329 
330 	    unsigned char offset;	/* color map address for load */
331 	    unsigned char red;		/* data for red map */
332 	    unsigned char green;	/* data for green map */
333 	    unsigned char blue;		/* data for blue map */
334 	};
335 
336 	struct color_buf {
337 
338 	    char status;		/* load request/service status */
339 	    short count;		/* number of entries to br loaded */
340 	    struct rgb rgb[256];
341 	};
342 
343 #define LOAD_COLOR_MAP	0x0001
344 
345 /******************************************************************
346 *
347 *	SCROLL ASSIST DEFINITIONS
348 *
349 ******************************************************************/
350 
351 	struct scroll {
352 
353 	    short status;
354 	    short viper_constant;
355 	    short y_scroll_constant;
356 	    short y_offset;
357 	    short x_index_pending;
358 	    short y_index_pending;
359 	};
360 
361 #define LOAD_REGS	0x0001
362 #define LOAD_INDEX	0x0002
363 
364 /******************************************************************
365 *
366 *	MOUSE/TABLET/KBD PROGRAMMING DEFINITIONS
367 *
368 ******************************************************************/
369 
370 /*-----------------------------------
371 * LK201 programmming definitions  */
372 
373 #define LK_UPDOWN 	0x86		/* bits for setting lk201 modes */
374 #define LK_AUTODOWN 	0x82
375 #define LK_DOWN 	0x80
376 #define LK_DEFAULTS 	0xD3		/* reset (some) default settings */
377 #define LK_AR_ENABLE 	0xE3		/* global auto repeat enable */
378 #define LK_CL_ENABLE 	0x1B		/* keyclick enable */
379 #define LK_KBD_ENABLE 	0x8B		/* keyboard enable */
380 #define LK_BELL_ENABLE 	0x23		/* the bell */
381 #define LK_RING_BELL 	0xA7		/* ring keyboard bell */
382 
383 #define LK_LED_ENABLE 	0x13		/* light led */
384 #define LK_LED_DISABLE 	0x11		/* turn off led */
385 #define LED_1 		0x81		/* led bits */
386 #define LED_2 		0x82
387 #define LED_3 		0x84
388 #define LED_4 		0x88
389 #define LED_ALL 	0x8F
390 #define LK_LED_HOLD	LED_4
391 #define LK_LED_LOCK	LED_3
392 #define LK_LED_COMPOSE	LED_2
393 #define LK_LED_WAIT 	LED_1
394 
395 #define LK_KDOWN_ERROR	0x3D		/* key down on powerup error */
396 #define LK_POWER_ERROR 	0x3E		/* keyboard failure on powerup test */
397 #define LK_OUTPUT_ERROR	0xB5		/* keystrokes lost during inhibit */
398 #define LK_INPUT_ERROR 	0xB6		/* garbage command to keyboard */
399 #define LK_LOWEST	0x56		/* lowest significant keycode */
400 #define LK_DIV6_START	0xAD		/* start of div 6 */
401 #define LK_DIV5_END	0xB2		/* end of div 5 */
402 
403 #define LAST_PARAM	0x80		/* "no more params" bit */
404 
405 	struct prgkbd {
406 
407 	    short cmd;			/* LK201 command opcode */
408 	    short param1;		/* 1st cmd parameter (can be null) */
409 	    short param2;		/* 2nd cmd parameter (can be null) */
410 	};
411 
412 /*-------------------------
413 * "special" LK-201 keys */
414 
415 #define SHIFT		174
416 #define LOCK		176
417 #define REPEAT		180
418 #define CNTRL		175
419 #define ALLUP		179
420 
421 /*--------------------------------
422 * cursor programming structure */
423 
424 	struct prg_cursor {
425 
426 	    unsigned short acc_factor;	/* cursor aceleration factor */
427 	    unsigned short threshold;	/* threshold to trigger acc at */
428 	};
429 
430 /*---------------------
431 * mouse definitions */
432 
433 #define INC_STREAM_MODE	'R'		/* stream mode reports (55 hz) */
434 #define PROMPT_MODE	'D'		/* report when prompted */
435 #define REQUEST_POS	'P'		/* request position report */
436 #define SELF_TEST	'T'		/* request self test */
437 
438 #define MOUSE_ID	0x2		/* mouse ID in lo 4 bits */
439 
440 #define START_FRAME	0x80		/* start of report frame bit */
441 #define X_SIGN		0x10		/* position sign bits */
442 #define Y_SIGN		0x08
443 
444 #define RIGHT_BUTTON	0x01		/* mouse buttons */
445 #define MIDDLE_BUTTON	0x02
446 #define LEFT_BUTTON	0x04
447 
448 	/* mouse report structure definition */
449 
450 	struct mouse_report {
451 
452 	    char state;		/* buttons and sign bits */
453 	    short dx;		/* delta X since last change */
454 	    short dy;		/* delta Y since last change */
455 	    char bytcnt;	/* mouse report byte count */
456 	};
457 
458 /*-----------------------------------------
459 * tablet command/interface definitions  */
460 
461 #define T_STREAM	'R'		/* continuous stream report mode */
462 #define T_POINT	 	'D'		/* enter report-on-request mode */
463 #define T_REQUEST	'P'		/* request position report */
464 
465 #define T_BAUD		'B'		/* increase baud to 9600 from 4800 */
466 #define T_RATE_55	'K'		/* report rate: 55/sec */
467 #define T_RATE_72	'L'		/* report rate: 72/sec */
468 #define T_RATE_120	'M'		/* report rate: 120/sec (9600 only) */
469 
470 #define T_TEST		SELF_TEST	/* do self test */
471 
472 #define TABLET_ID	0x4		/* tablet ID in lo 4 bits */
473 
474 #define T_START_FRAME	0x80		/* start of report frame bit */
475 #define T_PROXIMITY	0x01		/* state pointer in proximity */
476 
477 #define T_LEFT_BUTTON	0x02		/* puck buttons */
478 #define T_FRONT_BUTTON	0x04
479 #define T_RIGHT_BUTTON	0x08
480 #define T_BACK_BUTTON	0x10
481 
482 #define T_BARREL_BUTTON T_LEFT_BUTTON		/* stylus buttons */
483 #define T_TIP_BUTTON	T_FRONT_BUTTON
484 
485