/*      $NetBSD: qvavar.h,v 1.2 2019/12/27 06:52:43 msaitoh Exp $       */

/*-
* Copyright (c) 2015 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles H. Dickman
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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, 1997 Philip L. Budne.
* Copyright (c) 1993 Philip A. Nelson.
* All rights reserved.
*
* 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 Philip A. Nelson.
* 4. The name of Philip A. Nelson may not be used to endorse or promote
*    products derived from this software without specific prior written
*    permission.
*
* THIS SOFTWARE IS PROVIDED BY PHILIP NELSON ``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 PHILIP NELSON 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.
*
*      qvavar.h: definitions for qvss scn2681 DUART
*/

#ifndef _VAX_UBA_QVVAR_H_
#define _VAX_UBA_QVVAR_H_

/* Constants. */
#ifdef COMDEF_SPEED
#undef  TTYDEF_SPEED
#define TTYDEF_SPEED    COMDEF_SPEED    /* default baud rate */
#endif

#define SCN_SIZE                 0x10   /* address space for port */
#define SCN_CONSOLE                0    /* minor number of console */
#define SCN_CONSDUART              0
#define SCN_CONSCHAN               0

#define CH_SZ           16
#define DUART_SZ        32
#define SCN_REG(n)      ((n) << 1)      /* DUART bytes are word aligned */
#define QVA_FIRSTREG    SCN_REG(0)
#define QVA_WINSIZE     (SCN_REG(16) - SCN_REG(0))

/* A QVAUX is SCN2681 DUART */

#define NQVAUXLINE      2

#define QVA_C2I(c)      (0)               /* convert controller # to index */
#define QVA_I2C(c)      (0)               /* convert minor to controller # */
#define QVA_PORT(u)     ((u)&01)          /* extract the port # */
#define QVA_QVCSR       (-32)             /* offset to VCB01 CSR */
#define QVA_QVIC        (QVA_QVCSR + 12)  /* offset to VCB01 IC */

struct  qvaux_softc {
       device_t            sc_dev;       /* Autoconf blaha */
       struct  evcnt       sc_rintrcnt;  /* receive interrupt counts */
       struct  evcnt       sc_tintrcnt;  /* transmit interrupt counts */
       struct  qvaux_regs  sc_qr;        /* reg pointers */
       bus_space_tag_t     sc_iot;
       bus_space_handle_t  sc_ioh;
       int                 sc_consline;  /* console line, or -1 XXX */
       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 */
       int                 sc_imr;      /* interrupts that are enabled */
       struct qvaux_linestate {
               struct qvaux_softc *qvaux_sc;   /* backpointer to softc */
               int         qvaux_line;         /* channel number */
               void        *qvaux_private;     /* sub-driver data pointer */
               int         (*qvaux_catch)(void *, int); /* Fast catch recv */
               struct tty  *qvaux_tty;         /* what we work on */
#ifdef notyet
               void *      qvaux_mem;          /* pointers to clist output */
               void *      qvaux_end;          /*   allowing pdma action */
#endif
       } sc_qvaux[NQVAUXLINE];
};

void    qvauxattach(struct qvaux_softc *, struct evcnt *, int);
void    qvauxint(void *);
void    qvauxrint(void *);
void    qvauxxint(void *);
void    qvauxreset(device_t);

#endif /* _VAX_UBA_QVVAR_H_ */