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qduser.h revision 1.4.22.3
      1 /*	$NetBSD: qduser.h,v 1.4.22.3 2004/09/21 13:32:38 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 
    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 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