1/*	$NetBSD: qduser.h,v 1.4.22.4 2005/03/04 16:49:54 skrll 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
169struct 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 programmming 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