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/* $OpenBSD: umct.h,v 1.5 2015/04/26 06:38:04 jmatthew Exp $ */
/* $NetBSD: umct.h,v 1.1 2001/03/28 18:42:13 ichiro Exp $ */
/*
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Ichiro FUKUHARA (ichiro@ichiro.org).
*
* 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.
*/
/*
* Vendor Request Interface
*/
#define UMCT_SET_REQUEST 0x40
#define UMCT_GET_REQUEST 0xc0
#define REQ_SET_BAUD_RATE 5 /* Set Baud Rate Divisor */
#define LENGTH_BAUD_RATE 4
#define REQ_GET_MSR 2 /* Get Modem Status Register (MSR) */
#define LENGTH_GET_MSR 1
#define REQ_GET_LCR 6 /* Get Line Control Register (LCR) */
#define LENGTH_GET_LCR 1
#define REQ_SET_LCR 7 /* Set Line Control Register (LCR) */
#define LENGTH_SET_LCR 1
#define REQ_SET_MCR 10 /* Set Modem Control Register (MCR) */
#define LENGTH_SET_MCR 1
#define REQ_UNKNOWN1 11 /* Unknown functionality */
#define LENGTH_UNKNOWN1 1
#define REQ_SET_CTS 12 /* Apparently controls CTS */
#define LENGTH_SET_CTS 1
/*
* Baud rate (divisor)
*/
#define UMCT_BAUD_RATE(b) (115200/b)
/*
* Line Control Register (LCR)
*/
#define LCR_SET_BREAK 0x40
#define LCR_PARITY_EVEN 0x18
#define LCR_PARITY_ODD 0x08
#define LCR_PARITY_NONE 0x00
#define LCR_DATA_BITS_5 0x00
#define LCR_DATA_BITS_6 0x01
#define LCR_DATA_BITS_7 0x02
#define LCR_DATA_BITS_8 0x03
#define LCR_STOP_BITS_2 0x04
#define LCR_STOP_BITS_1 0x00
/*
* Modem Control Register (MCR)
*/
#define MCR_NONE 0x8
#define MCR_RTS 0xa
#define MCR_DTR 0x9
/*
* Modem Status Register (MSR)
*/
#define MSR_CD 0x80 /* Current CD */
#define MSR_RI 0x40 /* Current RI */
#define MSR_DSR 0x20 /* Current DSR */
#define MSR_CTS 0x10 /* Current CTS */
#define MSR_DCD 0x08 /* Delta CD */
#define MSR_DRI 0x04 /* Delta RI */
#define MSR_DDSR 0x02 /* Delta DSR */
#define MSR_DCTS 0x01 /* Delta CTS */
/*
* Line Status Register (LSR)
*/
#define LSR_ERR 0x80 /* OE | PE | FE | BI */
#define LSR_TEMT 0x40 /* transmit register empty */
#define LSR_THRE 0x20 /* transmit holding register empty */
#define LSR_BI 0x10 /* break indicator */
#define LSR_FE 0x08 /* framing error */
#define LSR_OE 0x02 /* overrun error */
#define LSR_PE 0x04 /* parity error */
#define LSR_OE 0x02 /* overrun error */
#define LSR_DR 0x01 /* receive data ready */
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