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      1 /*	$NetBSD: gencons.h,v 1.11 2017/05/22 16:46:15 ragge Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1994 Ludd, University of Lule}, Sweden.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  *
     27  */
     28 
     29  /* All bugs are subject to removal without further notice */
     30 
     31 /*
     32  * Some definitions for generic console interface (PR 32-35)
     33  */
     34 
     35 /* PR_TXCS */
     36 #define	GC_RDY	0x80	/* Console ready to xmit chr */
     37 #define	GC_TIE	0x40	/* xmit interrupt enable */
     38 #define	GC_LT	0x80000	/* VAX8600: Enable logical terminal */
     39 #define	GC_WRT	0x8000	/* VAX8600: Allow mtpr's to console */
     40 
     41 /* PR_RXCS */
     42 #define	GC_DON	0x80	/* character received */
     43 #define	GC_RIE	0x40	/* recv interrupt enable */
     44 
     45 /* PR_RXDB */
     46 #define	GC_ERR	0x8000	/* received character error */
     47 #define	GC_CON	0xf00	/* mfpr($PR_RXDB)&GC_CON==0 then console chr */
     48 
     49 /* PR_TXDB */
     50 #define	GC_CONS	0xf00	/* Console software !8600 */
     51 #define	GC_BTFL	0x2	/* boot machine */
     52 #define	GC_CWFL	0x3	/* clear warm start flag */
     53 #define	GC_CCFL	0x4	/* clear cold start flag */
     54 
     55 /* Interrupt vectors used */
     56 #define	SCB_G0R	0xf8
     57 #define	SCB_G0T	0xfc
     58 #define	SCB_G1R	0xc8
     59 #define	SCB_G1T	0xcc
     60 #define	SCB_G2R	0xd0
     61 #define	SCB_G2T	0xd4
     62 #define	SCB_G3R	0xd8
     63 #define	SCB_G3T	0xdc
     64 
     65 /* Prototypes */
     66 void	gencnputc(dev_t, int);
     67 void	gencnstarttx(void);
     68