60 lines
2.6 KiB
C
60 lines
2.6 KiB
C
/* $NetBSD: st16650reg.h,v 1.4 2022/10/06 19:59:55 riastradh Exp $ */
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/*
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* Copyright (c) 1991 The Regents of the University of California.
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* All rights reserved.
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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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* @(#)ns16550.h 7.1 (Berkeley) 5/9/91
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*/
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#ifndef _SYS_DEV_IC_ST16650REG_H_
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#define _SYS_DEV_IC_ST16650REG_H_
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/*
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* ST16650A UART registers
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*/
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#define com_data 0 /* data register (R/W) */
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#define com_dlbl 0 /* divisor latch low (W) */
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#define com_dlbh 1 /* divisor latch high (W) */
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#define com_ier 1 /* interrupt enable (W) */
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#define com_iir 2 /* interrupt identification (R) */
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#define com_fifo 2 /* FIFO control (W) */
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#define com_efr 2 /* Enhanced feature register (R/W) */
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#define com_lctl 3 /* line control register (R/W) */
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#define com_cfcr 3 /* line control register (R/W) */
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#define com_mcr 4 /* modem control register (R/W) */
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#define com_xon1 4 /* XON 1 character (R/W) */
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#define com_lsr 5 /* line status register (R/W) */
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#define com_xon2 5 /* XON 2 character (R/W) */
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#define com_msr 6 /* modem status register (R/W) */
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#define com_xoff1 6 /* XOFF 1 character (R/W) */
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#define com_scratch 7 /* scratch register (R/W) */
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#define com_xoff2 7 /* XOFF 2 character (R/W) */
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#endif /* _SYS_DEV_IC_ST16650REG_H_ */
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