1 /* $NetBSD: hayespreg.h,v 1.2 2001/09/04 01:33:14 enami Exp $ */ 2 3 /*- 4 * Copyright (c) 1995 Sean E. Fagin, John M Vinopal. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the author nor the names of contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef _HAYESPREG_H_ 32 #define _HAYESPREG_H_ 33 34 /* 35 * Definitions for Hayes ESP serial cards. 36 */ 37 38 /* 39 * CMD1 and CMD2 are the command ports, offsets from <hayesp_iobase>. 40 */ 41 #define HAYESP_CMD1 4 42 #define HAYESP_CMD2 5 43 44 /* 45 * STAT1 and STAT2 are to get return values and status bytes 46 */ 47 #define HAYESP_STATUS1 HAYESP_CMD1 48 #define HAYESP_STATUS2 HAYESP_CMD2 49 50 /* 51 * Commands. Commands are given by writing the command value to 52 * HAYESP_CMD1 and then writing or reading some number of bytes from 53 * HAYESP_CMD2 or HAYESP_STATUS2. 54 */ 55 #define HAYESP_GETTEST 0x01 /* self-test command (1b+extras) */ 56 #define HAYESP_GETDIPS 0x02 /* get on-board DIP switches (1b) */ 57 #define HAYESP_SETFLOWTYPE 0x08 /* set type of flow-control (2b) */ 58 #define HAYESP_SETRXFLOW 0x0a /* set Rx FIFO " levels (4b) */ 59 #define HAYESP_SETMODE 0x10 /* set board mode (1b) */ 60 #define HAYESP_SETPRESCALER 0x23 /* set UART clock prescaler (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