/*      $NetBSD: dzvar.h,v 1.12 2019/12/27 06:52:43 msaitoh Exp $       */
/*
* 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. 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.
*/

/*
* Copyright (c) 1996  Ken C. Wellsch.  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 {
       device_t        sc_dev;         /* Autoconf blaha */
       struct  evcnt   sc_rintrcnt;    /* receive 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)(void *, int); /* Fast catch recv */
               struct  tty *   dz_tty;         /* what we work on */
#ifdef notyet
               void *          dz_mem;         /* pointers to clist output */
               void *          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(device_t);

#endif /* _DEV_DEC_DZVAR_H_ */