/*      $NetBSD: gencons.h,v 1.11 2017/05/22 16:46:15 ragge Exp $ */

/*
 * Copyright (c) 1994 Ludd, University of Lule}, Sweden.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

 /* All bugs are subject to removal without further notice */

/*
 * Some definitions for generic console interface (PR 32-35)
 */

/* PR_TXCS */
#define GC_RDY  0x80    /* Console ready to xmit chr */
#define GC_TIE  0x40    /* xmit interrupt enable */
#define GC_LT   0x80000 /* VAX8600: Enable logical terminal */
#define GC_WRT  0x8000  /* VAX8600: Allow mtpr's to console */

/* PR_RXCS */
#define GC_DON  0x80    /* character received */
#define GC_RIE  0x40    /* recv interrupt enable */

/* PR_RXDB */
#define GC_ERR  0x8000  /* received character error */
#define GC_CON  0xf00   /* mfpr($PR_RXDB)&GC_CON==0 then console chr */

/* PR_TXDB */
#define GC_CONS 0xf00   /* Console software !8600 */
#define GC_BTFL 0x2     /* boot machine */
#define GC_CWFL 0x3     /* clear warm start flag */
#define GC_CCFL 0x4     /* clear cold start flag */

/* Interrupt vectors used */
#define SCB_G0R 0xf8
#define SCB_G0T 0xfc
#define SCB_G1R 0xc8
#define SCB_G1T 0xcc
#define SCB_G2R 0xd0
#define SCB_G2T 0xd4
#define SCB_G3R 0xd8
#define SCB_G3T 0xdc

/* Prototypes */
void    gencnputc(dev_t, int);
void    gencnstarttx(void);