1131041Sphk/*- 2131041Sphk * Copyright (c) 2004 Poul-Henning Kamp 3131041Sphk * All rights reserved. 4131041Sphk * 5131041Sphk * Redistribution and use in source and binary forms, with or without 6131041Sphk * modification, are permitted provided that the following conditions 7131041Sphk * are met: 8131041Sphk * 1. Redistributions of source code must retain the above copyright 9131041Sphk * notice, this list of conditions and the following disclaimer. 10131041Sphk * 2. Redistributions in binary form must reproduce the above copyright 11131041Sphk * notice, this list of conditions and the following disclaimer in the 12131041Sphk * documentation and/or other materials provided with the distribution. 13131041Sphk * 14131041Sphk * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15131041Sphk * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16131041Sphk * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17131041Sphk * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18131041Sphk * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19131041Sphk * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20131041Sphk * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21131041Sphk * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22131041Sphk * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23131041Sphk * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24131041Sphk * SUCH DAMAGE. 25131041Sphk * 26131041Sphk * This file contains definitions which pertain to serial ports as such, 27131041Sphk * (both async and sync), but which do not necessarily have anything to 28131041Sphk * do with tty processing. 29131041Sphk * 30131041Sphk * $FreeBSD$ 31131041Sphk */ 32131041Sphk 33131041Sphk#ifndef _SYS_SERIAL_H_ 34131041Sphk#define _SYS_SERIAL_H_ 35131041Sphk 36131041Sphk 37131041Sphk/* 38131041Sphk * Indentification of modem control signals. These definitions match 39131041Sphk * the TIOCMGET definitions in <sys/ttycom.h> shifted a bit down, and 40131041Sphk * that identity is enforced with CTASSERT at the bottom of kern/tty.c 41131097Sphk * Both the modem bits and delta bits must fit in 16 bit. 42131041Sphk */ 43155969Smarcel#define SER_DTR 0x0001 /* data terminal ready */ 44155969Smarcel#define SER_RTS 0x0002 /* request to send */ 45155969Smarcel#define SER_STX 0x0004 /* secondary transmit */ 46155969Smarcel#define SER_SRX 0x0008 /* secondary receive */ 47155969Smarcel#define SER_CTS 0x0010 /* clear to send */ 48155969Smarcel#define SER_DCD 0x0020 /* data carrier detect */ 49155969Smarcel#define SER_RI 0x0040 /* ring indicate */ 50155969Smarcel#define SER_DSR 0x0080 /* data set ready */ 51131041Sphk 52155970Smarcel#define SER_MASK_STATE 0x00ff 53155970Smarcel 54131041Sphk/* Delta bits, used to indicate which signals should/was affected */ 55155969Smarcel#define SER_DELTA(x) ((x) << 8) 56131041Sphk 57155969Smarcel#define SER_DDTR SER_DELTA(SER_DTR) 58155969Smarcel#define SER_DRTS SER_DELTA(SER_RTS) 59155969Smarcel#define SER_DSTX SER_DELTA(SER_STX) 60155969Smarcel#define SER_DSRX SER_DELTA(SER_SRX) 61155969Smarcel#define SER_DCTS SER_DELTA(SER_CTS) 62155969Smarcel#define SER_DDCD SER_DELTA(SER_DCD) 63155969Smarcel#define SER_DRI SER_DELTA(SER_RI) 64155969Smarcel#define SER_DDSR SER_DELTA(SER_DSR) 65131097Sphk 66155970Smarcel#define SER_MASK_DELTA SER_DELTA(SER_MASK_STATE) 67155970Smarcel 68157298Smarcel#ifdef _KERNEL 69155970Smarcel/* 70155970Smarcel * Specification of interrupt sources typical for serial ports. These are 71155970Smarcel * useful when some umbrella driver like scc(4) has enough knowledge of 72155970Smarcel * the hardware to obtain the set of pending interrupts but does not itself 73155970Smarcel * handle the interrupt. Each interrupt source can be given an interrupt 74155970Smarcel * resource for which inferior drivers can install handlers. The lower 16 75155970Smarcel * bits are kept free for the signals above. 76155970Smarcel */ 77155970Smarcel#define SER_INT_OVERRUN 0x010000 78155970Smarcel#define SER_INT_BREAK 0x020000 79155970Smarcel#define SER_INT_RXREADY 0x040000 80155970Smarcel#define SER_INT_SIGCHG 0x080000 81155970Smarcel#define SER_INT_TXIDLE 0x100000 82155970Smarcel 83155970Smarcel#define SER_INT_MASK 0xff0000 84155970Smarcel#define SER_INT_SIGMASK (SER_MASK_DELTA | SER_MASK_STATE) 85155970Smarcel 86157298Smarcel#ifndef LOCORE 87157298Smarceltypedef int serdev_intr_t(void*); 88157298Smarcel#endif 89157298Smarcel 90157298Smarcel#endif /* _KERNEL */ 91157298Smarcel 92131041Sphk#endif /* !_SYS_SERIAL_H_ */ 93