1 /*        $NetBSD: qduser.h,v 1.8 2024/06/02 12:11:35 andvar 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 #include <dev/qbus/qevent.h>
91 
92 /*---------------------
93 * QDSS device map */
94 
95           struct qdmap {                          /* map of register blocks in QDSS */
96 
97               char *template;
98               char *adder;
99               char *dga;
100               char *duart;
101               char *memcsr;
102               char *red;
103               char *blue;
104               char *green;
105           };
106 
107 /*--------------------------------------------
108 * DGA CSR bit definitions and register map */
109 
110 #define DMADONE               0x8000              /* DMA done status */
111 #define SET_DONE_FIFO         0x4000              /* set DMADONE when FIFO empty.. */
112                                                   /* ..AND count = 0 */
113 
114 #define PTOB_ENB    0x0600              /* host-to-bitmap DMA xfer */
115 #define BTOP_ENB    0x0400              /* bitmap-to-host DMA xfer */
116 #define DL_ENB                0x0200              /* display list DMA xfer */
117 #define HALT                  0x0000              /* halt DGA */
118 
119 #define BYTE_DMA    0x0100              /* byte/word DMA xfer */
120 
121 #define DMA_ERR               0x0080              /* DMA error bits */
122 #define PARITY_ERR  0x0040              /* memory parity error in DMA */
123 #define BUS_ERR               0x0020              /* bus timeout error in DMA */
124 
125 #define GLOBAL_IE   0x0004              /* global interrupt enable */
126 #define DMA_IE                0x0002              /* DMA interrupt enable */
127 #define CURS_ENB    0x0001              /* cursor enable */
128 
129 /* QDSS memcsr bit definitions */
130 
131 #define   UNBLANK                       0x0020
132 #define SYNC_ON                         0x0008
133 
134           struct dga {
135 
136               unsigned short csr;
137               unsigned short adrs_lo;   /* destination address of bitmap to */
138               unsigned short adrs_hi;   /*   host DMA */
139               unsigned short bytcnt_lo; /* byte length of requested DMA */
140               unsigned short bytcnt_hi; /* (WO = bytcnt) (RO = fifo count) */
141               unsigned short fifo;      /* FIFO register */
142               unsigned short x_cursor;  /* cursor position registers */
143               unsigned short y_cursor;
144               unsigned short ivr;                 /* interrupt vector register */
145               unsigned short memadr;    /* memory base address register */
146           };
147 
148 /*-------------------------------------------------------------------------
149 * macros to transform device coordinates to hardware cursor coordinates */
150 
151 #define CURS_MIN_X  232       /* device coordinate x = 0 */
152 #define CURS_MIN_Y  16        /* device coordinate y = 0 */
153 
154 #define TRANX(x) ( -(((int)(x)+CURS_MIN_X) & ~0x0003) | \
155                        (((int)(x)+CURS_MIN_X) & 0x0003) )
156 
157 #define TRANY(y) ( -((y)+CURS_MIN_Y) )
158 
159 /*********************************************************************
160 *
161 *         EVENT QUEUE DEFINITIONS
162 *
163 **********************************************************************
164 * most of the event queue definitions are found in "qevent.h".  But a
165 * few things not found there are here.  */
166 
167 /* The event queue header */
168 
169 struct qdinput {
170 
171               struct _vs_eventqueue header;  /* event queue ring handling */
172 
173               /* for VS100 and QVSS compatibility reasons, additions to this
174               *  structure must be made below this point.  */
175 
176               struct _vs_cursor curs_pos;         /* current mouse position */
177               struct _vs_box curs_box;  /* cursor reporting box */
178 
179           };
180 
181 /* vse_key field.  definitions for mouse buttons */
182 
183 #define VSE_LEFT_BUTTON                 0
184 #define VSE_MIDDLE_BUTTON     1
185 #define VSE_RIGHT_BUTTON      2
186 
187 /* vse_key field.  definitions for mouse buttons */
188 
189 #define VSE_T_LEFT_BUTTON     0
190 #define VSE_T_FRONT_BUTTON    1
191 #define VSE_T_RIGHT_BUTTON    2
192 #define VSE_T_BACK_BUTTON     4
193 
194 #define VSE_T_BARREL_BUTTON   VSE_T_LEFT_BUTTON
195 #define VSE_T_TIP_BUTTON      VSE_T_FRONT_BUTTON
196 
197 /*--------------------------------------------------------------------------
198 *   These are the macros to be used for loading and extracting from the event
199 * queue.  It is presumed that the macro user will only use the access macros
200 * if the event queue is non-empty ( ISEMPTY(eq) == FALSE ), and that the
201 * driver will only load the event queue after checking that it is not full
202 * ( ISFULL(eq) == FALSE ).  ("eq" is a pointer to the event queue header.)
203 *
204 *   Before an event access session for a particular event, the macro users
205 * must use the xxxBEGIN macro, and the xxxEND macro after an event is through
206 * with.  As seen below, the xxxBEGIN and xxxEND macros maintain the event
207 * queue access mechanism.
208 *
209 * First, the macros to be used by the event queue reader
210 */
211 
212 #define ISEMPTY(eq)   ((eq)->header.head == (eq)->header.tail)
213 #define GETBEGIN(eq)            (&(eq)->header.events[(eq)->header.head])
214 
215 #define GET_X(event)            ((event)->vse_x)            /* get x position */
216 #define GET_Y(event)            ((event)->vse_y)            /* get y position */
217 #define GET_TIME(event)         ((event)->vse_time)                   /* get time */
218 #define GET_TYPE(event)         ((event)->vse_type)                   /* get entry type */
219 #define GET_KEY(event)          ((event)->vse_key)                    /* get keycode */
220 #define GET_DIR(event)          ((event)->vse_direction)    /* get direction */
221 #define GET_DEVICE(event) ((event)->vse_device)             /* get device */
222 
223 #define GETEND(eq)    (++(eq)->header.head >= (eq)->header.size ? \
224                                  (eq)->header.head = 0 : 0 )
225 
226 /*------------------------------------------------
227 * macros to be used by the event queue loader  */
228 
229           /* ISFULL yields TRUE if queue is full */
230 
231 #define ISFULL(eq)  ((eq)->header.tail+1 == (eq)->header.head ||   \
232                                ((eq)->header.tail+1 == (eq)->header.size &&  \
233                                 (eq)->header.head == 0))
234 
235           /* get address of the billet for NEXT event */
236 
237 #define PUTBEGIN(eq)          (&(eq)->header.events[(eq)->header.tail])
238 
239 #define PUT_X(event, value)   ((event)->vse_x = value)    /* put X pos */
240 #define PUT_Y(event, value)   ((event)->vse_y = value)    /* put Y pos */
241 #define PUT_TIME(event, value)          ((event)->vse_time = value)   /* put time */
242 #define PUT_TYPE(event, value)          ((event)->vse_type = value) /* put type */
243 #define PUT_KEY(event, value) ((event)->vse_key = value) /* put input key */
244 #define PUT_DIR(event, value) ((event)->vse_direction = value) /* put dir */
245 #define PUT_DEVICE(event, value) ((event)->vse_device = value)   /* put dev */
246 
247 #define PUTEND(eq)  (++(eq)->header.tail >= (eq)->header.size ?  \
248                                (eq)->header.tail = 0 : 0)
249 
250 /******************************************************************
251 *
252 *         DMA I/O DEFINITIONS
253 *
254 ******************************************************************/
255 
256 /*---------------------------------------------------------------------
257 * The DMA request queue is implemented as a ring buffer of "DMAreq"
258   structures.  The queue is accessed using ring indices located in the
259   "DMAreq_header" structure.  Access is implemented using access macros
260   similar to the event queue access macros above.  */
261 
262           struct DMAreq {
263 
264               short DMAtype;            /* DMA type code (for QDSS) */
265               short DMAdone;            /* DMA done parameter */
266               char  *bufp;              /* virtual adrs of buffer */
267               int   length;             /* transfer buffer length */
268           };
269 
270 /* DMA type command codes */
271 
272 #define DISPLIST    1         /* display list DMA */
273 #define PTOB                  2         /* 1 plane Qbus to bitmap DMA */
274 #define BTOP                  3         /* 1 plane bitmap to Qbus DMA */
275 
276 /* DMA done notification code */
277 
278 #define FIFO_EMPTY  0x01      /* DONE when FIFO becomes empty */
279 #define COUNT_ZERO  0x02      /* DONE when count becomes zero */
280 #define WORD_PACK   0x04    /* program the gate array for word packing */
281 #define BYTE_PACK   0x08      /* program gate array for byte packing */
282 #define REQUEST_DONE          0x100     /* clear when driver has processed request */
283 #define HARD_ERROR  0x200   /* DMA hardware error occurred */
284 
285 /* DMA request queue is a ring buffer of request structures */
286 
287           struct DMAreq_header {
288 
289               int QBAreg;                   /* cookie Qbus map reg for this buffer */
290               short status;       /* master DMA status word */
291               int shared_size;              /* size of shared memory in bytes */
292               struct DMAreq *DMAreq;  /* start address of request queue */
293               int used;                     /* # of queue entries currently used */
294               int size;                     /* # of "DMAreq"'s in the request queue */
295               int oldest;                   /* index to oldest queue'd request */
296               int newest;                   /* index to newest queue'd request */
297           };
298 
299 /* bit definitions for DMAstatus word in DMAreq_header */
300 
301 #define   DMA_ACTIVE          0x0004              /* DMA in progress */
302 #define DMA_ERROR   0x0080              /* DMA hardware error */
303 #define DMA_IGNORE  0x0002              /* flag to ignore this interrupt */
304 
305 /*------------------------------------------
306 * macros for DMA request queue fiddling  */
307 
308           /* DMA status set/check macros */
309 
310 #define DMA_SETACTIVE(header) ((header)->status |= DMA_ACTIVE)
311 #define DMA_CLRACTIVE(header) ((header)->status &= ~DMA_ACTIVE)
312 #define DMA_ISACTIVE(header)  ((header)->status & DMA_ACTIVE)
313 
314 #define DMA_SETERROR(header)  ((header)->status |= DMA_ERROR)
315 #define DMA_CLRERROR(header)  ((header)->status &= ~DMA_ERROR)
316 #define DMA_ISERROR(header)   ((header)->status & DMA_ERROR)
317 
318 #define DMA_SETIGNORE(header) ((header)->status |= DMA_IGNORE)
319 #define DMA_CLRIGNORE(header) ((header)->status &= ~DMA_IGNORE)
320 #define DMA_ISIGNORE(header)  ((header)->status & DMA_IGNORE)
321 
322           /* yields TRUE if queue is empty (ISEMPTY) or full (ISFULL) */
323 
324 #define DMA_ISEMPTY(header)   ((header)->used == 0)
325 #define DMA_ISFULL(header)    ((header)->used >= (header)->size)
326 
327           /* returns address of the billet for next (PUT)
328            * or oldest (GET) request */
329 
330 #define DMA_PUTBEGIN(header)  (&(header)->DMAreq[(header)->newest])
331 #define DMA_GETBEGIN(header)  (&(header)->DMAreq[(header)->oldest])
332 
333           /* does queue access pointer maintenance */
334 
335 #define DMA_GETEND(header)    (++(header)->oldest >= (header)->size   \
336                                           ? (header)->oldest = 0 : 0);                    \
337                                         --(header)->used;
338 
339 #define DMA_PUTEND(header)    (++(header)->newest >= (header)->size   \
340                                           ? (header)->newest = 0 : 0);                    \
341                                         ++(header)->used;
342 
343 /******************************************************************
344 *
345 *         COLOR MAP WRITE BUFFER DEFINITIONS
346 *
347 ******************************************************************/
348 
349           struct rgb {
350 
351               unsigned char offset;     /* color map address for load */
352               unsigned char red;                  /* data for red map */
353               unsigned char green;      /* data for green map */
354               unsigned char blue;                 /* data for blue map */
355           };
356 
357           struct color_buf {
358 
359               char status;              /* load request/service status */
360               short count;              /* number of entries to br loaded */
361               struct rgb rgb[256];
362           };
363 
364 #define LOAD_COLOR_MAP        0x0001
365 
366 /******************************************************************
367 *
368 *         SCROLL ASSIST DEFINITIONS
369 *
370 ******************************************************************/
371 
372           struct scroll {
373 
374               short status;
375               short viper_constant;
376               short y_scroll_constant;
377               short y_offset;
378               short x_index_pending;
379               short y_index_pending;
380           };
381 
382 #define LOAD_REGS   0x0001
383 #define LOAD_INDEX  0x0002
384 
385 /******************************************************************
386 *
387 *         MOUSE/TABLET/KBD PROGRAMMING DEFINITIONS
388 *
389 ******************************************************************/
390 
391 /*-----------------------------------
392 * LK201 programming definitions  */
393 
394 #define LK_UPDOWN   0x86                /* bits for setting lk201 modes */
395 #define LK_AUTODOWN 0x82
396 #define LK_DOWN               0x80
397 #define LK_DEFAULTS 0xD3                /* reset (some) default settings */
398 #define LK_AR_ENABLE          0xE3                /* global auto repeat enable */
399 #define LK_CL_ENABLE          0x1B                /* keyclick enable */
400 #define LK_KBD_ENABLE         0x8B                /* keyboard enable */
401 #define LK_BELL_ENABLE        0x23                /* the bell */
402 #define LK_RING_BELL          0xA7                /* ring keyboard bell */
403 
404 #define LK_LED_ENABLE         0x13                /* light led */
405 #define LK_LED_DISABLE        0x11                /* turn off led */
406 #define LED_1                 0x81                /* led bits */
407 #define LED_2                 0x82
408 #define LED_3                 0x84
409 #define LED_4                 0x88
410 #define LED_ALL               0x8F
411 #define LK_LED_HOLD LED_4
412 #define LK_LED_LOCK LED_3
413 #define LK_LED_COMPOSE        LED_2
414 #define LK_LED_WAIT LED_1
415 
416 #define LK_KDOWN_ERROR        0x3D                /* key down on powerup error */
417 #define LK_POWER_ERROR        0x3E                /* keyboard failure on powerup test */
418 #define LK_OUTPUT_ERROR       0xB5                /* keystrokes lost during inhibit */
419 #define LK_INPUT_ERROR        0xB6                /* garbage command to keyboard */
420 #define LK_LOWEST   0x56                /* lowest significant keycode */
421 #define LK_DIV6_START         0xAD                /* start of div 6 */
422 #define LK_DIV5_END 0xB2                /* end of div 5 */
423 
424 #define LAST_PARAM  0x80                /* "no more params" bit */
425 
426           struct prgkbd {
427 
428               short cmd;                          /* LK201 command opcode */
429               short param1;             /* 1st cmd parameter (can be null) */
430               short param2;             /* 2nd cmd parameter (can be null) */
431           };
432 
433 /*-------------------------
434 * "special" LK-201 keys */
435 
436 #define SHIFT                 174
437 #define LOCK                  176
438 #define REPEAT                180
439 #define CNTRL                 175
440 #define ALLUP                 179
441 
442 /*--------------------------------
443 * cursor programming structure */
444 
445           struct prg_cursor {
446 
447               unsigned short acc_factor;          /* cursor aceleration factor */
448               unsigned short threshold; /* threshold to trigger acc at */
449           };
450 
451 /*---------------------
452 * mouse definitions */
453 
454 #define INC_STREAM_MODE       'R'                 /* stream mode reports (55 hz) */
455 #define PROMPT_MODE 'D'                 /* report when prompted */
456 #define REQUEST_POS 'P'                 /* request position report */
457 #define SELF_TEST   'T'                 /* request self test */
458 
459 #define MOUSE_ID    0x2                 /* mouse ID in lo 4 bits */
460 
461 #define START_FRAME 0x80                /* start of report frame bit */
462 #define X_SIGN                0x10                /* position sign bits */
463 #define Y_SIGN                0x08
464 
465 #define RIGHT_BUTTON          0x01                /* mouse buttons */
466 #define MIDDLE_BUTTON         0x02
467 #define LEFT_BUTTON 0x04
468 
469           /* mouse report structure definition */
470 
471           struct mouse_report {
472 
473               char state;               /* buttons and sign bits */
474               short dx;                 /* delta X since last change */
475               short dy;                 /* delta Y since last change */
476               char bytcnt;    /* mouse report byte count */
477           };
478 
479 /*-----------------------------------------
480 * tablet command/interface definitions  */
481 
482 #define T_STREAM    'R'                 /* continuous stream report mode */
483 #define T_POINT               'D'                 /* enter report-on-request mode */
484 #define T_REQUEST   'P'                 /* request position report */
485 
486 #define T_BAUD                'B'                 /* increase baud to 9600 from 4800 */
487 #define T_RATE_55   'K'                 /* report rate: 55/sec */
488 #define T_RATE_72   'L'                 /* report rate: 72/sec */
489 #define T_RATE_120  'M'                 /* report rate: 120/sec (9600 only) */
490 
491 #define T_TEST                SELF_TEST /* do self test */
492 
493 #define TABLET_ID   0x4                 /* tablet ID in lo 4 bits */
494 
495 #define T_START_FRAME         0x80                /* start of report frame bit */
496 #define T_PROXIMITY 0x01                /* state pointer in proximity */
497 
498 #define T_LEFT_BUTTON         0x02                /* puck buttons */
499 #define T_FRONT_BUTTON        0x04
500 #define T_RIGHT_BUTTON        0x08
501 #define T_BACK_BUTTON         0x10
502 
503 #define T_BARREL_BUTTON T_LEFT_BUTTON             /* stylus buttons */
504 #define T_TIP_BUTTON          T_FRONT_BUTTON
505 
506