109 lines
3.6 KiB
C
109 lines
3.6 KiB
C
/* $OpenBSD: umct.h,v 1.5 2015/04/26 06:38:04 jmatthew Exp $ */
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/* $NetBSD: umct.h,v 1.1 2001/03/28 18:42:13 ichiro Exp $ */
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/*
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Ichiro FUKUHARA (ichiro@ichiro.org).
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Vendor Request Interface
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*/
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#define UMCT_SET_REQUEST 0x40
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#define UMCT_GET_REQUEST 0xc0
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#define REQ_SET_BAUD_RATE 5 /* Set Baud Rate Divisor */
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#define LENGTH_BAUD_RATE 4
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#define REQ_GET_MSR 2 /* Get Modem Status Register (MSR) */
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#define LENGTH_GET_MSR 1
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#define REQ_GET_LCR 6 /* Get Line Control Register (LCR) */
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#define LENGTH_GET_LCR 1
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#define REQ_SET_LCR 7 /* Set Line Control Register (LCR) */
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#define LENGTH_SET_LCR 1
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#define REQ_SET_MCR 10 /* Set Modem Control Register (MCR) */
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#define LENGTH_SET_MCR 1
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#define REQ_UNKNOWN1 11 /* Unknown functionality */
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#define LENGTH_UNKNOWN1 1
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#define REQ_SET_CTS 12 /* Apparently controls CTS */
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#define LENGTH_SET_CTS 1
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/*
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* Baud rate (divisor)
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*/
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#define UMCT_BAUD_RATE(b) (115200/b)
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/*
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* Line Control Register (LCR)
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*/
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#define LCR_SET_BREAK 0x40
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#define LCR_PARITY_EVEN 0x18
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#define LCR_PARITY_ODD 0x08
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#define LCR_PARITY_NONE 0x00
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#define LCR_DATA_BITS_5 0x00
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#define LCR_DATA_BITS_6 0x01
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#define LCR_DATA_BITS_7 0x02
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#define LCR_DATA_BITS_8 0x03
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#define LCR_STOP_BITS_2 0x04
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#define LCR_STOP_BITS_1 0x00
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/*
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* Modem Control Register (MCR)
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*/
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#define MCR_NONE 0x8
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#define MCR_RTS 0xa
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#define MCR_DTR 0x9
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/*
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* Modem Status Register (MSR)
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*/
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#define MSR_CD 0x80 /* Current CD */
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#define MSR_RI 0x40 /* Current RI */
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#define MSR_DSR 0x20 /* Current DSR */
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#define MSR_CTS 0x10 /* Current CTS */
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#define MSR_DCD 0x08 /* Delta CD */
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#define MSR_DRI 0x04 /* Delta RI */
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#define MSR_DDSR 0x02 /* Delta DSR */
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#define MSR_DCTS 0x01 /* Delta CTS */
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/*
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* Line Status Register (LSR)
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*/
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#define LSR_ERR 0x80 /* OE | PE | FE | BI */
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#define LSR_TEMT 0x40 /* transmit register empty */
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#define LSR_THRE 0x20 /* transmit holding register empty */
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#define LSR_BI 0x10 /* break indicator */
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#define LSR_FE 0x08 /* framing error */
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#define LSR_OE 0x02 /* overrun error */
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#define LSR_PE 0x04 /* parity error */
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#define LSR_OE 0x02 /* overrun error */
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#define LSR_DR 0x01 /* receive data ready */
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