/*	$NetBSD: dzvar.h,v 1.5 2003/01/06 21:05:38 matt Exp $	*/
/*
 * Copyright (c) 1996  Ken C. Wellsch.  All rights reserved.
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Ralph Campbell and Rick Macklem.
 *
 * 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 by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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 _DEV_DEC_DZVAR_H_
#define _DEV_DEC_DZVAR_H_

/* A DZ-11 has 8 ports while a DZV/DZQ-11 has only 4. */

#define	NDZLINE 	8

#define	DZ_DZ		8
#define	DZ_DZV		4
#define	DZ_DC		4

#define DZ_C2I(c)	((c)<<3)	/* convert controller # to index */
#define DZ_I2C(c)	((c)>>3)	/* convert minor to controller # */
#define DZ_PORT(u)	((u)&07)	/* extract the port # */

struct	dz_softc {
	struct	device	sc_dev;		/* Autoconf blaha */
	struct	evcnt	sc_rintrcnt;	/* recevive interrupt counts */
	struct	evcnt	sc_tintrcnt;	/* transmit interrupt counts */
	struct	dz_regs	sc_dr;		/* reg pointers */
	bus_space_tag_t	sc_iot;
	bus_space_handle_t sc_ioh;
	int		sc_type;	/* DZ11 or DZV11? */
	int		sc_consline;	/* console line, or -1 */
	int		sc_rxint;	/* Receive interrupt count XXX */
	u_char		sc_brk;		/* Break asserted on some lines */
	u_char		sc_dsr;		/* DSR set bits if no mdm ctrl */
	struct dz_linestate {
		struct	dz_softc *dz_sc;	/* backpointer to softc */
		int		dz_line;	/* channel number */
		void		*dz_private;	/* sub-driver data pointer */
		int		(*dz_catch) __P((void *, int)); /* Fast catch recv */
		struct	tty *	dz_tty;		/* what we work on */
#ifdef notyet
		caddr_t		dz_mem;		/* pointers to clist output */
		caddr_t		dz_end;		/*   allowing pdma action */
#endif
	} sc_dz[NDZLINE];
};

void	dzattach(struct dz_softc *, struct evcnt *, int);
void	dzrint(void *);
void	dzxint(void *);
void	dzreset(struct device *);

#endif /* _DEV_DEC_DZVAR_H_ */