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dzvar.h revision 1.1 
      1 /*	$NetBSD: dzvar.h,v 1.1 2002/02/25 14:58:08 ad Exp $	*/
      2 /*
      3  * Copyright (c) 1996  Ken C. Wellsch.  All rights reserved.
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This code is derived from software contributed to Berkeley by
      8  * Ralph Campbell and Rick Macklem.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  */
     38 
     39 /* A DZ-11 has 8 ports while a DZV/DZQ-11 has only 4. We use 8 by default */
     40 
     41 #define	NDZLINE 	8
     42 
     43 #define	DZ_DZ		8
     44 #define	DZ_DZV		4
     45 #define	DZ_DC		4
     46 
     47 #define DZ_C2I(c)	((c)<<3)	/* convert controller # to index */
     48 #define DZ_I2C(c)	((c)>>3)	/* convert minor to controller # */
     49 #define DZ_PORT(u)	((u)&07)	/* extract the port # */
     50 
     51 struct	dz_softc {
     52 	struct	device	sc_dev;		/* Autoconf blaha */
     53 	struct	evcnt	sc_rintrcnt;	/* recevive interrupt counts */
     54 	struct	evcnt	sc_tintrcnt;	/* transmit interrupt counts */
     55 	struct	dz_regs	sc_dr;		/* reg pointers */
     56 	bus_space_tag_t	sc_iot;
     57 	bus_space_handle_t sc_ioh;
     58 	int		sc_type;	/* DZ11 or DZV11? */
     59 	int		sc_rxint;	/* Receive interrupt count XXX */
     60 	u_char		sc_brk;		/* Break asserted on some lines */
     61 	u_char		sc_dsr;		/* DSR set bits if no mdm ctrl */
     62 	struct dz_linestate {
     63 		struct	dz_softc *dz_sc;	/* backpointer to softc */
     64 		int		dz_line;	/* sub-driver unit number */
     65 		void		*dz_private;	/* sub-driver data pointer */
     66 		int		(*dz_catch) __P((void *, int)); /* Fast catch recv */
     67 		struct	tty *	dz_tty;		/* what we work on */
     68 #ifdef notyet
     69 		caddr_t		dz_mem;		/* pointers to clist output */
     70 		caddr_t		dz_end;		/*   allowing pdma action */
     71 #endif
     72 	} sc_dz[NDZLINE];
     73 };
     74 
     75 void	dzattach(struct dz_softc *, struct evcnt *);
     76 void	dzrint(void *);
     77 void	dzxint(void *);
     78 void	dzreset(struct device *);
     79