xref: /netbsd-src/sys/dev/dec/dzvar.h (revision d710132b4b8ce7f7cccaaf660cb16aa16b4077a0)
1 /*	$NetBSD: dzvar.h,v 1.5 2003/01/06 21:05:38 matt 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 #ifndef _DEV_DEC_DZVAR_H_
40 #define _DEV_DEC_DZVAR_H_
41 
42 /* A DZ-11 has 8 ports while a DZV/DZQ-11 has only 4. */
43 
44 #define	NDZLINE 	8
45 
46 #define	DZ_DZ		8
47 #define	DZ_DZV		4
48 #define	DZ_DC		4
49 
50 #define DZ_C2I(c)	((c)<<3)	/* convert controller # to index */
51 #define DZ_I2C(c)	((c)>>3)	/* convert minor to controller # */
52 #define DZ_PORT(u)	((u)&07)	/* extract the port # */
53 
54 struct	dz_softc {
55 	struct	device	sc_dev;		/* Autoconf blaha */
56 	struct	evcnt	sc_rintrcnt;	/* recevive interrupt counts */
57 	struct	evcnt	sc_tintrcnt;	/* transmit interrupt counts */
58 	struct	dz_regs	sc_dr;		/* reg pointers */
59 	bus_space_tag_t	sc_iot;
60 	bus_space_handle_t sc_ioh;
61 	int		sc_type;	/* DZ11 or DZV11? */
62 	int		sc_consline;	/* console line, or -1 */
63 	int		sc_rxint;	/* Receive interrupt count XXX */
64 	u_char		sc_brk;		/* Break asserted on some lines */
65 	u_char		sc_dsr;		/* DSR set bits if no mdm ctrl */
66 	struct dz_linestate {
67 		struct	dz_softc *dz_sc;	/* backpointer to softc */
68 		int		dz_line;	/* channel number */
69 		void		*dz_private;	/* sub-driver data pointer */
70 		int		(*dz_catch) __P((void *, int)); /* Fast catch recv */
71 		struct	tty *	dz_tty;		/* what we work on */
72 #ifdef notyet
73 		caddr_t		dz_mem;		/* pointers to clist output */
74 		caddr_t		dz_end;		/*   allowing pdma action */
75 #endif
76 	} sc_dz[NDZLINE];
77 };
78 
79 void	dzattach(struct dz_softc *, struct evcnt *, int);
80 void	dzrint(void *);
81 void	dzxint(void *);
82 void	dzreset(struct device *);
83 
84 #endif /* _DEV_DEC_DZVAR_H_ */
85