xref: /src/sys/arch/vax/include/vsbus.h

/*	$NetBSD: vsbus.h,v 1.12 2000/04/23 16:38:53 matt Exp $ */
/*
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed at Ludd, University of
 *      Lule}, Sweden and its contributors.
 * 4. 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.
 */

/*
 * Generic definitions for the (virtual) vsbus. contains common info
 * used by all VAXstations.
 */

#ifndef _VAX_VSBUS_H_
#define _VAX_VSBUS_H_

#include <machine/bus.h>
#include <machine/sgmap.h>

struct	vsbus_attach_args {
	vaddr_t	va_addr;		/* virtual CSR address */
	paddr_t	va_paddr;		/* physical CSR address */
	short	va_br;			/* Interrupt level */
	short	va_cvec;		/* Interrupt vector address */
	u_char	va_maskno;		/* Interrupt vector in mask */
	bus_space_tag_t va_iot;
	bus_dma_tag_t va_dmat;
};

/*
 * Some chip addresses and constants, same on all VAXstations.
 */
#define VS_CFGTST	0x20020000      /* config register */
#define VS_REGS         0x20080000      /* Misc cpu internal regs */
#define NI_ADDR         0x20090000      /* Ethernet address */
#define DZ_CSR          0x200a0000      /* DZ11-compatible chip csr */
#define VS_CLOCK        0x200b0000      /* clock chip address */
#define SCA_REGS        0x200c0000      /* disk device addresses */
#define NI_BASE         0x200e0000      /* LANCE CSRs */
#define NI_IOSIZE       (128 * VAX_NBPG)    /* IO address size */

#define	KA49_SCSIMAP	0x27000000	/* KA49 SCSI SGMAP */
/*
 * Small monochrome graphics framebuffer, present on all machines.
 */
#define	SMADDR		0x30000000
#define	SMSIZE		0x20000		/* Actually 256k, only 128k used */

struct	vsbus_softc {
	struct	device sc_dev;
	u_char	*sc_intmsk;	/* Mask register */
	u_char	*sc_intclr;	/* Clear interrupt register */
	u_char	*sc_intreq;	/* Interrupt request register */
	u_char	sc_mask;	/* Interrupts to enable after autoconf */
	vaddr_t	sc_vsregs;	/* Where the VS_REGS are mapped */
	struct vax_bus_dma_tag sc_dmatag;
	struct vax_sgmap sc_sgmap;
};

#ifdef _KERNEL
void	vsbus_dma_init __P((struct vsbus_softc *, unsigned ptecnt));
u_char	vsbus_setmask __P((int));
void	vsbus_clrintr __P((int));
void	vsbus_copytoproc __P((struct proc *, caddr_t, caddr_t, int));
void	vsbus_copyfromproc __P((struct proc *, caddr_t, caddr_t, int));
#endif
#endif /* _VAX_VSBUS_H_ */