xref: /netbsd/sys/dev/qbus/qduser.h (revision bf9ec67e)
1 /*	$NetBSD: qduser.h,v 1.4 2001/06/11 01:50:56 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 #include <dev/qbus/qevent.h>
95 
96 /*---------------------
97 * QDSS device map */
98 
99 	struct qdmap {			/* map of register blocks in QDSS */
100 
101 	    char *template;
102 	    char *adder;
103 	    char *dga;
104 	    char *duart;
105 	    char *memcsr;
106 	    char *red;
107 	    char *blue;
108 	    char *green;
109 	};
110 
111 /*--------------------------------------------
112 * DGA CSR bit definitions and register map */
113 
114 #define DMADONE		0x8000		/* DMA done status */
115 #define SET_DONE_FIFO	0x4000		/* set DMADONE when FIFO empty.. */
116 					/* ..AND count = 0 */
117 
118 #define PTOB_ENB	0x0600		/* host-to-bitmap DMA xfer */
119 #define BTOP_ENB	0x0400		/* bitmap-to-host DMA xfer */
120 #define DL_ENB		0x0200		/* display list DMA xfer */
121 #define HALT		0x0000		/* halt DGA */
122 
123 #define BYTE_DMA	0x0100		/* byte/word DMA xfer */
124 
125 #define DMA_ERR		0x0080		/* DMA error bits */
126 #define PARITY_ERR	0x0040		/* memory parity error in DMA */
127 #define BUS_ERR		0x0020		/* bus timeout error in DMA */
128 
129 #define GLOBAL_IE	0x0004		/* global interrupt enable */
130 #define DMA_IE		0x0002		/* DMA interrupt enable */
131 #define CURS_ENB	0x0001		/* cursor enable */
132 
133 /* QDSS memcsr bit definitions */
134 
135 #define	UNBLANK			0x0020
136 #define SYNC_ON			0x0008
137 
138 	struct dga {
139 
140 	    unsigned short csr;
141 	    unsigned short adrs_lo;	/* destination address of bitmap to */
142 	    unsigned short adrs_hi;	/*   host DMA */
143 	    unsigned short bytcnt_lo;	/* byte length of requested DMA */
144 	    unsigned short bytcnt_hi;	/* (WO = bytcnt) (RO = fifo count) */
145 	    unsigned short fifo;	/* FIFO register */
146 	    unsigned short x_cursor;	/* cursor position registers */
147 	    unsigned short y_cursor;
148 	    unsigned short ivr;		/* interrupt vector register */
149 	    unsigned short memadr;	/* memory base address register */
150 	};
151 
152 /*-------------------------------------------------------------------------
153 * macros to transform device coordinates to hardware cursor coordinates */
154 
155 #define CURS_MIN_X 	232	/* device coordinate x = 0 */
156 #define CURS_MIN_Y 	16	/* device coordinate y = 0 */
157 
158 #define TRANX(x) ( -(((int)(x)+CURS_MIN_X) & ~0x0003) | \
159 		   (((int)(x)+CURS_MIN_X) & 0x0003) )
160 
161 #define TRANY(y) ( -((y)+CURS_MIN_Y) )
162 
163 /*********************************************************************
164 *
165 *	EVENT QUEUE DEFINITIONS
166 *
167 **********************************************************************
168 * most of the event queue definitions are found in "qevent.h".  But a
169 * few things not found there are here.  */
170 
171 /* The event queue header */
172 
173 struct qdinput {
174 
175 	    struct _vs_eventqueue header;  /* event queue ring handling */
176 
177 	    /* for VS100 and QVSS compatibility reasons, additions to this
178 	    *  structure must be made below this point.  */
179 
180 	    struct _vs_cursor curs_pos;	/* current mouse position */
181 	    struct _vs_box curs_box;	/* cursor reporting box */
182 
183 	};
184 
185 /* vse_key field.  definitions for mouse buttons */
186 
187 #define VSE_LEFT_BUTTON		0
188 #define VSE_MIDDLE_BUTTON	1
189 #define VSE_RIGHT_BUTTON	2
190 
191 /* vse_key field.  definitions for mouse buttons */
192 
193 #define VSE_T_LEFT_BUTTON	0
194 #define VSE_T_FRONT_BUTTON	1
195 #define VSE_T_RIGHT_BUTTON	2
196 #define VSE_T_BACK_BUTTON	4
197 
198 #define VSE_T_BARREL_BUTTON	VSE_T_LEFT_BUTTON
199 #define VSE_T_TIP_BUTTON	VSE_T_FRONT_BUTTON
200 
201 /*--------------------------------------------------------------------------
202 *   These are the macros to be used for loading and extracting from the event
203 * queue.  It is presumed that the macro user will only use the access macros
204 * if the event queue is non-empty ( ISEMPTY(eq) == FALSE ), and that the
205 * driver will only load the event queue after checking that it is not full
206 * ( ISFULL(eq) == FALSE ).  ("eq" is a pointer to the event queue header.)
207 *
208 *   Before an event access session for a particular event, the macro users
209 * must use the xxxBEGIN macro, and the xxxEND macro after an event is through
210 * with.  As seen below, the xxxBEGIN and xxxEND macros maintain the event
211 * queue access mechanism.
212 *
213 * First, the macros to be used by the event queue reader
214 */
215 
216 #define ISEMPTY(eq)	  ((eq)->header.head == (eq)->header.tail)
217 #define GETBEGIN(eq)	  (&(eq)->header.events[(eq)->header.head])
218 
219 #define GET_X(event)	  ((event)->vse_x)  	     /* get x position */
220 #define GET_Y(event)	  ((event)->vse_y)  	     /* get y position */
221 #define GET_TIME(event)	  ((event)->vse_time) 	     /* get time */
222 #define GET_TYPE(event)	  ((event)->vse_type)	     /* get entry type */
223 #define GET_KEY(event)	  ((event)->vse_key)  	     /* get keycode */
224 #define GET_DIR(event)	  ((event)->vse_direction)     /* get direction */
225 #define GET_DEVICE(event) ((event)->vse_device)        /* get device */
226 
227 #define GETEND(eq)        (++(eq)->header.head >= (eq)->header.size ? \
228 			   (eq)->header.head = 0 : 0 )
229 
230 /*------------------------------------------------
231 * macros to be used by the event queue loader  */
232 
233 	/* ISFULL yields TRUE if queue is full */
234 
235 #define ISFULL(eq)	((eq)->header.tail+1 == (eq)->header.head ||   \
236 			 ((eq)->header.tail+1 == (eq)->header.size &&  \
237 			  (eq)->header.head == 0))
238 
239 	/* get address of the billet for NEXT event */
240 
241 #define PUTBEGIN(eq)	(&(eq)->header.events[(eq)->header.tail])
242 
243 #define PUT_X(event, value)  	((event)->vse_x = value)    /* put X pos */
244 #define PUT_Y(event, value)   	((event)->vse_y = value)    /* put Y pos */
245 #define PUT_TIME(event, value)	((event)->vse_time = value)   /* put time */
246 #define PUT_TYPE(event, value)	((event)->vse_type = value) /* put type */
247 #define PUT_KEY(event, value)	((event)->vse_key = value) /* put input key */
248 #define PUT_DIR(event, value)	((event)->vse_direction = value) /* put dir */
249 #define PUT_DEVICE(event, value) ((event)->vse_device = value)   /* put dev */
250 
251 #define PUTEND(eq)     (++(eq)->header.tail >= (eq)->header.size ?  \
252 			(eq)->header.tail = 0 : 0)
253 
254 /******************************************************************
255 *
256 *	DMA I/O DEFINITIONS
257 *
258 ******************************************************************/
259 
260 /*---------------------------------------------------------------------
261 * The DMA request queue is implemented as a ring buffer of "DMAreq"
262   structures.  The queue is accessed using ring indices located in the
263   "DMAreq_header" structure.  Access is implemented using access macros
264   similar to the event queue access macros above.  */
265 
266 	struct DMAreq {
267 
268 	    short DMAtype;		/* DMA type code (for QDSS) */
269 	    short DMAdone;		/* DMA done parameter */
270 	    char  *bufp;		/* virtual adrs of buffer */
271 	    int   length;	        /* transfer buffer length */
272 	};
273 
274 /* DMA type command codes */
275 
276 #define DISPLIST	1	/* display list DMA */
277 #define PTOB		2	/* 1 plane Qbus to bitmap DMA */
278 #define BTOP		3	/* 1 plane bitmap to Qbus DMA */
279 
280 /* DMA done notification code */
281 
282 #define FIFO_EMPTY	0x01	/* DONE when FIFO becomes empty */
283 #define COUNT_ZERO	0x02	/* DONE when count becomes zero */
284 #define WORD_PACK	0x04    /* program the gate array for word packing */
285 #define BYTE_PACK	0x08	/* program gate array for byte packing */
286 #define REQUEST_DONE	0x100	/* clear when driver has processed request */
287 #define HARD_ERROR	0x200   /* DMA hardware error occurred */
288 
289 /* DMA request queue is a ring buffer of request structures */
290 
291 	struct DMAreq_header {
292 
293 	    int QBAreg;		    /* cookie Qbus map reg for this buffer */
294 	    short status;	    /* master DMA status word */
295 	    int shared_size;	    /* size of shared memory in bytes */
296 	    struct DMAreq *DMAreq;  /* start address of request queue */
297 	    int used;		    /* # of queue entries currently used */
298 	    int size;		    /* # of "DMAreq"'s in the request queue */
299 	    int oldest;		    /* index to oldest queue'd request */
300 	    int newest;		    /* index to newest queue'd request */
301 	};
302 
303 /* bit definitions for DMAstatus word in DMAreq_header */
304 
305 #define	DMA_ACTIVE	0x0004		/* DMA in progress */
306 #define DMA_ERROR	0x0080		/* DMA hardware error */
307 #define DMA_IGNORE	0x0002		/* flag to ignore this interrupt */
308 
309 /*------------------------------------------
310 * macros for DMA request queue fiddling  */
311 
312 	/* DMA status set/check macros */
313 
314 #define DMA_SETACTIVE(header)   ((header)->status |= DMA_ACTIVE)
315 #define DMA_CLRACTIVE(header)	((header)->status &= ~DMA_ACTIVE)
316 #define DMA_ISACTIVE(header)    ((header)->status & DMA_ACTIVE)
317 
318 #define DMA_SETERROR(header)    ((header)->status |= DMA_ERROR)
319 #define DMA_CLRERROR(header)    ((header)->status &= ~DMA_ERROR)
320 #define DMA_ISERROR(header)     ((header)->status & DMA_ERROR)
321 
322 #define DMA_SETIGNORE(header)	((header)->status |= DMA_IGNORE)
323 #define DMA_CLRIGNORE(header)   ((header)->status &= ~DMA_IGNORE)
324 #define DMA_ISIGNORE(header)    ((header)->status & DMA_IGNORE)
325 
326 	/* yields TRUE if queue is empty (ISEMPTY) or full (ISFULL) */
327 
328 #define DMA_ISEMPTY(header)	((header)->used == 0)
329 #define DMA_ISFULL(header)	((header)->used >= (header)->size)
330 
331 	/* returns address of the billet for next (PUT)
332 	 * or oldest (GET) request */
333 
334 #define DMA_PUTBEGIN(header)	(&(header)->DMAreq[(header)->newest])
335 #define DMA_GETBEGIN(header)  	(&(header)->DMAreq[(header)->oldest])
336 
337 	/* does queue access pointer maintenance */
338 
339 #define DMA_GETEND(header)      (++(header)->oldest >= (header)->size    \
340 				  ? (header)->oldest = 0 : 0);		 \
341 				--(header)->used;
342 
343 #define DMA_PUTEND(header)     	(++(header)->newest >= (header)->size    \
344 				  ? (header)->newest = 0 : 0);		 \
345 				++(header)->used;
346 
347 /******************************************************************
348 *
349 *	COLOR MAP WRITE BUFFER DEFINITIONS
350 *
351 ******************************************************************/
352 
353 	struct rgb {
354 
355 	    unsigned char offset;	/* color map address for load */
356 	    unsigned char red;		/* data for red map */
357 	    unsigned char green;	/* data for green map */
358 	    unsigned char blue;		/* data for blue map */
359 	};
360 
361 	struct color_buf {
362 
363 	    char status;		/* load request/service status */
364 	    short count;		/* number of entries to br loaded */
365 	    struct rgb rgb[256];
366 	};
367 
368 #define LOAD_COLOR_MAP	0x0001
369 
370 /******************************************************************
371 *
372 *	SCROLL ASSIST DEFINITIONS
373 *
374 ******************************************************************/
375 
376 	struct scroll {
377 
378 	    short status;
379 	    short viper_constant;
380 	    short y_scroll_constant;
381 	    short y_offset;
382 	    short x_index_pending;
383 	    short y_index_pending;
384 	};
385 
386 #define LOAD_REGS	0x0001
387 #define LOAD_INDEX	0x0002
388 
389 /******************************************************************
390 *
391 *	MOUSE/TABLET/KBD PROGRAMMING DEFINITIONS
392 *
393 ******************************************************************/
394 
395 /*-----------------------------------
396 * LK201 programmming definitions  */
397 
398 #define LK_UPDOWN 	0x86		/* bits for setting lk201 modes */
399 #define LK_AUTODOWN 	0x82
400 #define LK_DOWN 	0x80
401 #define LK_DEFAULTS 	0xD3		/* reset (some) default settings */
402 #define LK_AR_ENABLE 	0xE3		/* global auto repeat enable */
403 #define LK_CL_ENABLE 	0x1B		/* keyclick enable */
404 #define LK_KBD_ENABLE 	0x8B		/* keyboard enable */
405 #define LK_BELL_ENABLE 	0x23		/* the bell */
406 #define LK_RING_BELL 	0xA7		/* ring keyboard bell */
407 
408 #define LK_LED_ENABLE 	0x13		/* light led */
409 #define LK_LED_DISABLE 	0x11		/* turn off led */
410 #define LED_1 		0x81		/* led bits */
411 #define LED_2 		0x82
412 #define LED_3 		0x84
413 #define LED_4 		0x88
414 #define LED_ALL 	0x8F
415 #define LK_LED_HOLD	LED_4
416 #define LK_LED_LOCK	LED_3
417 #define LK_LED_COMPOSE	LED_2
418 #define LK_LED_WAIT 	LED_1
419 
420 #define LK_KDOWN_ERROR	0x3D		/* key down on powerup error */
421 #define LK_POWER_ERROR 	0x3E		/* keyboard failure on powerup test */
422 #define LK_OUTPUT_ERROR	0xB5		/* keystrokes lost during inhibit */
423 #define LK_INPUT_ERROR 	0xB6		/* garbage command to keyboard */
424 #define LK_LOWEST	0x56		/* lowest significant keycode */
425 #define LK_DIV6_START	0xAD		/* start of div 6 */
426 #define LK_DIV5_END	0xB2		/* end of div 5 */
427 
428 #define LAST_PARAM	0x80		/* "no more params" bit */
429 
430 	struct prgkbd {
431 
432 	    short cmd;			/* LK201 command opcode */
433 	    short param1;		/* 1st cmd parameter (can be null) */
434 	    short param2;		/* 2nd cmd parameter (can be null) */
435 	};
436 
437 /*-------------------------
438 * "special" LK-201 keys */
439 
440 #define SHIFT		174
441 #define LOCK		176
442 #define REPEAT		180
443 #define CNTRL		175
444 #define ALLUP		179
445 
446 /*--------------------------------
447 * cursor programming structure */
448 
449 	struct prg_cursor {
450 
451 	    unsigned short acc_factor;	/* cursor aceleration factor */
452 	    unsigned short threshold;	/* threshold to trigger acc at */
453 	};
454 
455 /*---------------------
456 * mouse definitions */
457 
458 #define INC_STREAM_MODE	'R'		/* stream mode reports (55 hz) */
459 #define PROMPT_MODE	'D'		/* report when prompted */
460 #define REQUEST_POS	'P'		/* request position report */
461 #define SELF_TEST	'T'		/* request self test */
462 
463 #define MOUSE_ID	0x2		/* mouse ID in lo 4 bits */
464 
465 #define START_FRAME	0x80		/* start of report frame bit */
466 #define X_SIGN		0x10		/* position sign bits */
467 #define Y_SIGN		0x08
468 
469 #define RIGHT_BUTTON	0x01		/* mouse buttons */
470 #define MIDDLE_BUTTON	0x02
471 #define LEFT_BUTTON	0x04
472 
473 	/* mouse report structure definition */
474 
475 	struct mouse_report {
476 
477 	    char state;		/* buttons and sign bits */
478 	    short dx;		/* delta X since last change */
479 	    short dy;		/* delta Y since last change */
480 	    char bytcnt;	/* mouse report byte count */
481 	};
482 
483 /*-----------------------------------------
484 * tablet command/interface definitions  */
485 
486 #define T_STREAM	'R'		/* continuous stream report mode */
487 #define T_POINT	 	'D'		/* enter report-on-request mode */
488 #define T_REQUEST	'P'		/* request position report */
489 
490 #define T_BAUD		'B'		/* increase baud to 9600 from 4800 */
491 #define T_RATE_55	'K'		/* report rate: 55/sec */
492 #define T_RATE_72	'L'		/* report rate: 72/sec */
493 #define T_RATE_120	'M'		/* report rate: 120/sec (9600 only) */
494 
495 #define T_TEST		SELF_TEST	/* do self test */
496 
497 #define TABLET_ID	0x4		/* tablet ID in lo 4 bits */
498 
499 #define T_START_FRAME	0x80		/* start of report frame bit */
500 #define T_PROXIMITY	0x01		/* state pointer in proximity */
501 
502 #define T_LEFT_BUTTON	0x02		/* puck buttons */
503 #define T_FRONT_BUTTON	0x04
504 #define T_RIGHT_BUTTON	0x08
505 #define T_BACK_BUTTON	0x10
506 
507 #define T_BARREL_BUTTON T_LEFT_BUTTON		/* stylus buttons */
508 #define T_TIP_BUTTON	T_FRONT_BUTTON
509 
510