/*      $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_ */