1 /* $OpenBSD: hayespreg.h,v 1.2 1996/10/31 01:01:30 niklas Exp $ */ 2 /* $NetBSD: hayespreg.h,v 1.1 1996/02/10 20:23:40 christos Exp $ */ 3 4 /*- 5 * Copyright (c) 1995 Sean E. Fagin, John M Vinopal. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the author nor the names of contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef _HAYESPREG_H_ 33 #define _HAYESPREG_H_ 34 35 /* 36 * Definitions for Hayes ESP serial cards. 37 */ 38 39 /* 40 * CMD1 and CMD2 are the command ports, offsets from <hayesp_iobase>. 41 */ 42 #define HAYESP_CMD1 4 43 #define HAYESP_CMD2 5 44 45 /* 46 * STAT1 and STAT2 are to get return values and status bytes 47 */ 48 #define HAYESP_STATUS1 HAYESP_CMD1 49 #define HAYESP_STATUS2 HAYESP_CMD2 50 51 /* 52 * Commands. Commands are given by writing the command value to 53 * HAYESP_CMD1 and then writing or reading some number of bytes from 54 * HAYESP_CMD2 or HAYESP_STATUS2. 55 */ 56 #define HAYESP_GETTEST 0x01 /* self-test command (1b+extras) */ 57 #define HAYESP_GETDIPS 0x02 /* get on-board DIP switches (1b) */ 58 #define HAYESP_SETFLOWTYPE 0x08 /* set type of flow-control (2b) */ 59 #define HAYESP_SETRXFLOW 0x0a /* set Rx FIFO " levels (4b) */ 60 #define HAYESP_SETMODE 0x10 /* set board mode (1b) */ 61 62 /* Mode bits (HAYESP_SETMODE). */ 63 #define HAYESP_MODE_FIFO 0x02 /* act like a 16550 (compat mode) */ 64 #define HAYESP_MODE_RTS 0x04 /* use RTS hardware flow control */ 65 #define HAYESP_MODE_SCALE 0x80 /* scale FIFO trigger levels */ 66 67 /* Flow control type bits (HAYESP_SETFLOWTYPE). */ 68 #define HAYESP_FLOW_RTS 0x04 /* cmd1: local Rx sends RTS flow control */ 69 #define HAYESP_FLOW_CTS 0x10 /* cmd2: local transmitter responds to CTS */ 70 71 /* Used by HAYESP_SETRXFLOW. */ 72 #define HAYESP_RXHIWMARK 768 73 #define HAYESP_RXLOWMARK 512 74 #define HAYESP_HIBYTE(w) (((w) >> 8) & 0xff) 75 #define HAYESP_LOBYTE(w) ((w) & 0xff) 76 77 #endif /* !_HAYESPREG_H_ */ 78