/* $NetBSD: serreg.h,v 1.2 2008/04/28 20:23:15 martin Exp $ */ /*- * Copyright (c) 1997 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Leo Weppelman. * * 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. */ #define SER_FREQ 153600 /* XXX: Assumes UCR_CLKDIV set! */ #define SER_TOLERANCE 30 /* Baud rate tolerance, in 0.1% units */ /* Usart Control Register */ #define UCR_PEVEN 0x02 /* Even parity */ #define UCR_PENAB 0x04 /* Parity enable */ #define UCR_SYNCH 0x00 /* Synchroneous mode */ #define UCR_STOPB1 0x08 /* 1 stopbit */ #define UCR_STOPB15 0x10 /* 1.5 stopbit */ #define UCR_STOPB2 0x18 /* 2 stopbits */ #define UCR_8BITS 0x00 /* 8 databits */ #define UCR_7BITS 0x20 /* 7 databits */ #define UCR_6BITS 0x40 /* 6 databits */ #define UCR_5BITS 0x60 /* 5 databits */ #define UCR_CLKDIV 0x80 /* Divide clock by 16 */ /* Receiver Status Register */ #define RSR_ENAB 0x01 /* Receiver enabled */ #define RSR_SS 0x02 /* Synchroneous strip */ #define RSR_CIP 0x04 /* Character in progress (async) */ #define RSR_BREAK 0x08 /* Break (async) */ #define RSR_MATCH 0x04 /* Character match (sync) */ #define RSR_FS 0x08 /* Found/Search (sync) */ #define RSR_FERR 0x10 /* Framing error */ #define RSR_PERR 0x20 /* Parity error */ #define RSR_OERR 0x40 /* Overrun error */ #define RSR_BFULL 0x80 /* Buffer Full */ /* Transmitter Status Register */ #define TSR_ENAB 0x01 /* Transmitter Enable */ #define TSR_SBREAK 0x08 /* Transmit Break */ #define TSR_END 0x10 /* End of character */ #define TSR_UE 0x40 /* Uart empty */ #define TSR_BE 0x80 /* Buffer empty */ /* * These bits are a mixture of MFP.mf_gpip and PSG.ioa values. * Luckily, they were all distinct. */ #define MCR_RTS 0x08 #define MCR_CTS 0x04 #define MCR_DCD 0x02 #define MCR_DTR 0x10 #define MCR_RI 0x40
