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/* $NetBSD: dc7085cons.h,v 1.4 1994/10/26 21:09:36 cgd 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. 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.
*
* @(#)dc7085cons.h 8.1 (Berkeley) 6/10/93
*
* dc7085.h --
*
* Definitions for the dc7085 chip.
*
* Copyright (C) 1989 Digital Equipment Corporation.
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appears in all copies.
* Digital Equipment Corporation makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* from: Header: /sprite/src/kernel/dev/ds3100.md/RCS/dc7085.h,
*
* v 1.4 89/08/15 19:52:46 rab Exp SPRITE (DECWRL)
*/
#ifndef _DC7085
#define _DC7085
typedef volatile struct dc7085regs {
u_short dc_csr; /* control and status (R/W) */
u_short pad0[3];
short dc_rbuf_lpr; /* receiver data (R), line params (W) */
u_short pad1[3];
u_short dc_tcr; /* transmitter control (R/W) */
u_short pad2[3];
u_short dc_msr_tdr; /* modem status (R), transmit data (W) */
} dcregs;
#define dc_rbuf dc_rbuf_lpr
#define dc_lpr dc_rbuf_lpr
#define dc_msr dc_msr_tdr
#define dc_tdr dc_msr_tdr
/*
* Control status register bits.
*/
#define CSR_TRDY 0x8000
#define CSR_TIE 0x4000
#define CSR_TX_LINE_NUM 0x0300
#define CSR_RDONE 0x0080
#define CSR_RIE 0x0040
#define CSR_MSE 0x0020
#define CSR_CLR 0x0010
#define CSR_MAINT 0x0008
/*
* Receiver buffer register bits.
*/
#define RBUF_DVAL 0x8000
#define RBUF_OERR 0x4000
#define RBUF_FERR 0x2000
#define RBUF_PERR 0x1000
#define RBUF_LINE_NUM 0x0300
#define RBUF_LINE_NUM_SHIFT 8
#define RBUF_CHAR 0x00FF
/*
* Transmit control register values.
*/
#define TCR_DTR2 0x400
#define TCR_EN3 0x008
#define TCR_EN2 0x004
#define TCR_EN1 0x002
#define TCR_EN0 0x001
#define TCR_RTS2 0x800
#define TCR_RTS3 0x200
#define TCR_DTR3 0x100
/*
* Line parameter register bits.
*/
#define LPR_RXENAB 0x1000
#define LPR_B50 0x0000
#define LPR_B75 0x0100
#define LPR_B110 0x0200
#define LPR_B134 0x0300
#define LPR_B150 0x0400
#define LPR_B300 0x0500
#define LPR_B600 0x0600
#define LPR_B1200 0x0700
#define LPR_B1800 0x0800
#define LPR_B2000 0x0900
#define LPR_B2400 0x0A00
#define LPR_B3600 0x0B00
#define LPR_B4800 0x0C00
#define LPR_B7200 0x0D00
#define LPR_B9600 0x0E00
#define LPR_B19200 0x0F00
#define LPR_B38400 0x0F00
#define LPR_OPAR 0x0080
#define LPR_PARENB 0x0040
#define LPR_2_STOP 0x0020
#define LPR_8_BIT_CHAR 0x0018
#define LPR_7_BIT_CHAR 0x0010
#define LPR_6_BIT_CHAR 0x0008
#define LPR_5_BIT_CHAR 0x0000
/*
* Modem status register bits.
*/
#define MSR_DSR2 0x0200
#define MSR_RI2 0x0800
#define MSR_CD2 0x0400
#define MSR_CTS2 0x0100
#define MSR_RI3 0x0008
#define MSR_CD3 0x0004
#define MSR_DSR3 0x0002
#define MSR_CTS3 0x0001
/*
* The four serial ports.
*/
#define DCKBD_PORT 0
#define DCMOUSE_PORT 1
#define DCCOMM_PORT 2
#define DCPRINTER_PORT 3
/* bits in dm lsr, copied from dmreg.h */
#define DML_DSR 0000400 /* data set ready, not a real DM bit */
#define DML_RNG 0000200 /* ring */
#define DML_CAR 0000100 /* carrier detect */
#define DML_CTS 0000040 /* clear to send */
#define DML_SR 0000020 /* secondary receive */
#define DML_ST 0000010 /* secondary transmit */
#define DML_RTS 0000004 /* request to send */
#define DML_DTR 0000002 /* data terminal ready */
#define DML_LE 0000001 /* line enable */
#endif /* _DC7085 */
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