* Copyright (c) 2002 Hugh Graham.

/* $NetBSD: uvax.h,v 1.9 2023/08/10 19:13:52 andvar Exp $ */
/*
* Copyright (c) 2002 Hugh Graham.
* Copyright (c) 1996 Ludd, University of Lule}, Sweden.
* All rights reserved.
*
* This code is derived from software contributed to Ludd by Bertram Barth.
*
* 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* 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.
*/

#ifndef _VAX_UVAX_H_
#define _VAX_UVAX_H_

/*
* Generic definitions common on all MicroVAXen clock chip.
*/
#define uVAX_CLKVRT 0200
#define uVAX_CLKUIP 0200
#define uVAX_CLKRATE 040
#define uVAX_CLKENABLE 06
#define uVAX_CLKSET 0206

/* cpmbx bits */
#define uVAX_CLKHLTACT 03

/* halt action values */
#define uVAX_CLKRESTRT 01
#define uVAX_CLKREBOOT 02
#define uVAX_CLKHALT 03

/* in progress flags */
#define uVAX_CLKBOOT 04
#define uVAX_CLKRSTRT 010
#define uVAX_CLKLANG 0360

/*
* Miscellaneous registers common on most VAXstations.
*/
struct vs_cpu {
u_long vc_hltcod; /* 00 - Halt Code Register */
u_long vc_410mser; /* 04 - VS2K */
u_long vc_410cear; /* 08 - VS2K */
u_char vc_intmsk; /* 0c - Interrupt mask register */
u_char vc_vdcorg; /* 0d - Mono display origin */
u_char vc_vdcsel; /* 0e - Video interrupt select */
u_char vc_intreq; /* 0f - Interrupt request register */
#define vc_intclr vc_intreq
u_short vc_diagdsp; /* 10 - Diagnostic display register */
u_short pad4; /* 12 */
u_long vc_parctl; /* 14 - Parity Control Register */
#define vc_bwf0 vc_parctl
u_short pad5; /* 16 */
u_short pad6; /* 18 */
u_short vc_diagtimu; /* 1a - usecond timer KA46 */
u_short vc_diagtme; /* 1c - Diagnostic time register */
#define vc_diagtimm vc_diagtme /* msecond time KA46 */
};
#define PARCTL_DMA 0x1000000
#define PARCTL_CPEN 2
#define PARCTL_DPEN 1

/*
* Console Mailbox layout common to several models.
*/

struct cpmbx {
unsigned int mbox_halt:2; /* mailbox halt action */
unsigned int mbox_bip:1; /* bootstrap in progress */
unsigned int mbox_rip:1; /* restart in progress */
unsigned int mbox_lang:4; /* language info */
unsigned int terminal:8; /* terminal info */
unsigned int keyboard:8; /* keyboard info */
unsigned int user_four:4; /* unknown */
unsigned int user_halt:3; /* user halt action */
unsigned int user_one:1; /* unknown */
};

extern struct cpmbx *cpmbx;

void generic_halt(void);
void generic_reboot(int);

#define MHALT_RESTART_REBOOT 0
#define MHALT_RESTART 1
#define MHALT_REBOOT 2
#define MHALT_HALT 3

#define UHALT_DEFAULT 0
#define UHALT_RESTART 1
#define UHALT_REBOOT 2
#define UHALT_HALT 3
#define UHALT_RESTART_REBOOT 4

#endif