168 lines
5.1 KiB
C
168 lines
5.1 KiB
C
/* $NetBSD: dc7085cons.h,v 1.8 2005/12/11 12:18:39 christos Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell and Rick Macklem.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)dc7085cons.h 8.1 (Berkeley) 6/10/93
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*
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* dc7085.h --
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*
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* Definitions for the dc7085 chip.
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*
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* Copyright (C) 1989 Digital Equipment Corporation.
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appears in all copies.
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* Digital Equipment Corporation makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* from: Header: /sprite/src/kernel/dev/ds3100.md/RCS/dc7085.h,
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*
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* v 1.4 89/08/15 19:52:46 rab Exp SPRITE (DECWRL)
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*/
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#ifndef _PMAX_DC7085CONS_H_
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#define _PMAX_DC7085CONS_H_
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typedef volatile struct dc7085regs {
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u_short dc_csr; /* control and status (R/W) */
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u_short pad0[3];
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short dc_rbuf_lpr; /* receiver data (R), line params (W) */
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u_short pad1[3];
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u_short dc_tcr; /* transmitter control (R/W) */
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u_short pad2[3];
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u_short dc_msr_tdr; /* modem status (R), transmit data (W) */
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} dcregs;
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#define dc_rbuf dc_rbuf_lpr
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#define dc_lpr dc_rbuf_lpr
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#define dc_msr dc_msr_tdr
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#define dc_tdr dc_msr_tdr
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/*
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* Control status register bits.
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*/
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#define CSR_TRDY 0x8000
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#define CSR_TIE 0x4000
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#define CSR_TX_LINE_NUM 0x0300
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#define CSR_RDONE 0x0080
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#define CSR_RIE 0x0040
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#define CSR_MSE 0x0020
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#define CSR_CLR 0x0010
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#define CSR_MAINT 0x0008
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/*
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* Receiver buffer register bits.
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*/
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#define RBUF_DVAL 0x8000
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#define RBUF_OERR 0x4000
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#define RBUF_FERR 0x2000
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#define RBUF_PERR 0x1000
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#define RBUF_LINE_NUM 0x0300
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#define RBUF_LINE_NUM_SHIFT 8
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#define RBUF_CHAR 0x00FF
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/*
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* Transmit control register values.
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*/
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#define TCR_DTR2 0x400
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#define TCR_EN3 0x008
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#define TCR_EN2 0x004
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#define TCR_EN1 0x002
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#define TCR_EN0 0x001
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#define TCR_RTS2 0x800
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#define TCR_RTS3 0x200
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#define TCR_DTR3 0x100
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/*
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* Line parameter register bits.
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*/
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#define LPR_RXENAB 0x1000
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#define LPR_B50 0x0000
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#define LPR_B75 0x0100
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#define LPR_B110 0x0200
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#define LPR_B134 0x0300
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#define LPR_B150 0x0400
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#define LPR_B300 0x0500
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#define LPR_B600 0x0600
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#define LPR_B1200 0x0700
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#define LPR_B1800 0x0800
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#define LPR_B2000 0x0900
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#define LPR_B2400 0x0A00
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#define LPR_B3600 0x0B00
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#define LPR_B4800 0x0C00
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#define LPR_B7200 0x0D00
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#define LPR_B9600 0x0E00
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#define LPR_B19200 0x0F00
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#define LPR_B38400 0x0F00
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#define LPR_OPAR 0x0080
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#define LPR_PARENB 0x0040
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#define LPR_2_STOP 0x0020
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#define LPR_8_BIT_CHAR 0x0018
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#define LPR_7_BIT_CHAR 0x0010
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#define LPR_6_BIT_CHAR 0x0008
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#define LPR_5_BIT_CHAR 0x0000
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/*
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* Modem status register bits.
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*/
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#define MSR_DSR2 0x0200
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#define MSR_RI2 0x0800
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#define MSR_CD2 0x0400
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#define MSR_CTS2 0x0100
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#define MSR_RI3 0x0008
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#define MSR_CD3 0x0004
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#define MSR_DSR3 0x0002
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#define MSR_CTS3 0x0001
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/*
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* The four serial ports.
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*/
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#define DCKBD_PORT 0
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#define DCMOUSE_PORT 1
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#define DCCOMM_PORT 2
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#define DCPRINTER_PORT 3
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/* bits in dm lsr, copied from dmreg.h */
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#define DML_DSR 0000400 /* data set ready, not a real DM bit */
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#define DML_RNG 0000200 /* ring */
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#define DML_CAR 0000100 /* carrier detect */
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#define DML_CTS 0000040 /* clear to send */
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#define DML_SR 0000020 /* secondary receive */
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#define DML_ST 0000010 /* secondary transmit */
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#define DML_RTS 0000004 /* request to send */
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#define DML_DTR 0000002 /* data terminal ready */
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#define DML_LE 0000001 /* line enable */
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#endif /* !_PMAX_DC7085CONS_H_ */
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