1c56bdd05SPoul-Henning Kamp /*- 24d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause 3c4e20cadSPedro F. Giffuni * 4c56bdd05SPoul-Henning Kamp * Copyright (c) 2004 Poul-Henning Kamp 5c56bdd05SPoul-Henning Kamp * All rights reserved. 6c56bdd05SPoul-Henning Kamp * 7c56bdd05SPoul-Henning Kamp * Redistribution and use in source and binary forms, with or without 8c56bdd05SPoul-Henning Kamp * modification, are permitted provided that the following conditions 9c56bdd05SPoul-Henning Kamp * are met: 10c56bdd05SPoul-Henning Kamp * 1. Redistributions of source code must retain the above copyright 11c56bdd05SPoul-Henning Kamp * notice, this list of conditions and the following disclaimer. 12c56bdd05SPoul-Henning Kamp * 2. Redistributions in binary form must reproduce the above copyright 13c56bdd05SPoul-Henning Kamp * notice, this list of conditions and the following disclaimer in the 14c56bdd05SPoul-Henning Kamp * documentation and/or other materials provided with the distribution. 15c56bdd05SPoul-Henning Kamp * 16c56bdd05SPoul-Henning Kamp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17c56bdd05SPoul-Henning Kamp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18c56bdd05SPoul-Henning Kamp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19c56bdd05SPoul-Henning Kamp * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20c56bdd05SPoul-Henning Kamp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21c56bdd05SPoul-Henning Kamp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22c56bdd05SPoul-Henning Kamp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23c56bdd05SPoul-Henning Kamp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24c56bdd05SPoul-Henning Kamp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25c56bdd05SPoul-Henning Kamp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26c56bdd05SPoul-Henning Kamp * SUCH DAMAGE. 27c56bdd05SPoul-Henning Kamp * 28c56bdd05SPoul-Henning Kamp * This file contains definitions which pertain to serial ports as such, 29c56bdd05SPoul-Henning Kamp * (both async and sync), but which do not necessarily have anything to 30c56bdd05SPoul-Henning Kamp * do with tty processing. 31c56bdd05SPoul-Henning Kamp */ 32c56bdd05SPoul-Henning Kamp 33c56bdd05SPoul-Henning Kamp #ifndef _SYS_SERIAL_H_ 34c56bdd05SPoul-Henning Kamp #define _SYS_SERIAL_H_ 35c56bdd05SPoul-Henning Kamp 36c56bdd05SPoul-Henning Kamp /* 37c56bdd05SPoul-Henning Kamp * Indentification of modem control signals. These definitions match 38c56bdd05SPoul-Henning Kamp * the TIOCMGET definitions in <sys/ttycom.h> shifted a bit down, and 39c56bdd05SPoul-Henning Kamp * that identity is enforced with CTASSERT at the bottom of kern/tty.c 40f1cd2fdfSPoul-Henning Kamp * Both the modem bits and delta bits must fit in 16 bit. 41c56bdd05SPoul-Henning Kamp */ 42c56bdd05SPoul-Henning Kamp #define SER_DTR 0x0001 /* data terminal ready */ 43c56bdd05SPoul-Henning Kamp #define SER_RTS 0x0002 /* request to send */ 44c56bdd05SPoul-Henning Kamp #define SER_STX 0x0004 /* secondary transmit */ 45c56bdd05SPoul-Henning Kamp #define SER_SRX 0x0008 /* secondary receive */ 46c56bdd05SPoul-Henning Kamp #define SER_CTS 0x0010 /* clear to send */ 47c56bdd05SPoul-Henning Kamp #define SER_DCD 0x0020 /* data carrier detect */ 48c56bdd05SPoul-Henning Kamp #define SER_RI 0x0040 /* ring indicate */ 49c56bdd05SPoul-Henning Kamp #define SER_DSR 0x0080 /* data set ready */ 50c56bdd05SPoul-Henning Kamp 516fcbf91dSMarcel Moolenaar #define SER_MASK_STATE 0x00ff 526fcbf91dSMarcel Moolenaar 53c56bdd05SPoul-Henning Kamp /* Delta bits, used to indicate which signals should/was affected */ 54f1cd2fdfSPoul-Henning Kamp #define SER_DELTA(x) ((x) << 8) 55f1cd2fdfSPoul-Henning Kamp 56f1cd2fdfSPoul-Henning Kamp #define SER_DDTR SER_DELTA(SER_DTR) 57f1cd2fdfSPoul-Henning Kamp #define SER_DRTS SER_DELTA(SER_RTS) 58f1cd2fdfSPoul-Henning Kamp #define SER_DSTX SER_DELTA(SER_STX) 59f1cd2fdfSPoul-Henning Kamp #define SER_DSRX SER_DELTA(SER_SRX) 60f1cd2fdfSPoul-Henning Kamp #define SER_DCTS SER_DELTA(SER_CTS) 61f1cd2fdfSPoul-Henning Kamp #define SER_DDCD SER_DELTA(SER_DCD) 62f1cd2fdfSPoul-Henning Kamp #define SER_DRI SER_DELTA(SER_RI) 63f1cd2fdfSPoul-Henning Kamp #define SER_DDSR SER_DELTA(SER_DSR) 64c56bdd05SPoul-Henning Kamp 656fcbf91dSMarcel Moolenaar #define SER_MASK_DELTA SER_DELTA(SER_MASK_STATE) 666fcbf91dSMarcel Moolenaar 671d9c4393SMarcel Moolenaar #ifdef _KERNEL 686fcbf91dSMarcel Moolenaar /* 696fcbf91dSMarcel Moolenaar * Specification of interrupt sources typical for serial ports. These are 706fcbf91dSMarcel Moolenaar * useful when some umbrella driver like scc(4) has enough knowledge of 716fcbf91dSMarcel Moolenaar * the hardware to obtain the set of pending interrupts but does not itself 726fcbf91dSMarcel Moolenaar * handle the interrupt. Each interrupt source can be given an interrupt 736fcbf91dSMarcel Moolenaar * resource for which inferior drivers can install handlers. The lower 16 746fcbf91dSMarcel Moolenaar * bits are kept free for the signals above. 756fcbf91dSMarcel Moolenaar */ 766fcbf91dSMarcel Moolenaar #define SER_INT_OVERRUN 0x010000 776fcbf91dSMarcel Moolenaar #define SER_INT_BREAK 0x020000 786fcbf91dSMarcel Moolenaar #define SER_INT_RXREADY 0x040000 796fcbf91dSMarcel Moolenaar #define SER_INT_SIGCHG 0x080000 806fcbf91dSMarcel Moolenaar #define SER_INT_TXIDLE 0x100000 816fcbf91dSMarcel Moolenaar 826fcbf91dSMarcel Moolenaar #define SER_INT_MASK 0xff0000 836fcbf91dSMarcel Moolenaar #define SER_INT_SIGMASK (SER_MASK_DELTA | SER_MASK_STATE) 846fcbf91dSMarcel Moolenaar 851d9c4393SMarcel Moolenaar #ifndef LOCORE 861d9c4393SMarcel Moolenaar typedef int serdev_intr_t(void*); 871d9c4393SMarcel Moolenaar #endif 881d9c4393SMarcel Moolenaar 891d9c4393SMarcel Moolenaar #endif /* _KERNEL */ 901d9c4393SMarcel Moolenaar 91c56bdd05SPoul-Henning Kamp #endif /* !_SYS_SERIAL_H_ */ 92