/* $NetBSD: hayespreg.h,v 1.2 2001/09/04 01:33:14 enami Exp $ */ /*- * Copyright (c) 1995 Sean E. Fagin, John M Vinopal. * * 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. * 3. Neither the name of the author nor the names of contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. */ #ifndef _HAYESPREG_H_ #define _HAYESPREG_H_ /* * Definitions for Hayes ESP serial cards. */ /* * CMD1 and CMD2 are the command ports, offsets from <hayesp_iobase>. */ #define HAYESP_CMD1 4 #define HAYESP_CMD2 5 /* * STAT1 and STAT2 are to get return values and status bytes */ #define HAYESP_STATUS1 HAYESP_CMD1 #define HAYESP_STATUS2 HAYESP_CMD2 /* * Commands. Commands are given by writing the command value to * HAYESP_CMD1 and then writing or reading some number of bytes from * HAYESP_CMD2 or HAYESP_STATUS2. */ #define HAYESP_GETTEST 0x01 /* self-test command (1b+extras) */ #define HAYESP_GETDIPS 0x02 /* get on-board DIP switches (1b) */ #define HAYESP_SETFLOWTYPE 0x08 /* set type of flow-control (2b) */ #define HAYESP_SETRXFLOW 0x0a /* set Rx FIFO " levels (4b) */ #define HAYESP_SETMODE 0x10 /* set board mode (1b) */ #define HAYESP_SETPRESCALER 0x23 /* set UART clock prescaler (1b) */ /* Mode bits (HAYESP_SETMODE). */ #define HAYESP_MODE_FIFO 0x02 /* act like a 16550 (compat mode) */ #define HAYESP_MODE_RTS 0x04 /* use RTS hardware flow control */ #define HAYESP_MODE_SCALE 0x80 /* scale FIFO trigger levels */ /* Flow control type bits (HAYESP_SETFLOWTYPE). */ #define HAYESP_FLOW_RTS 0x04 /* cmd1: local Rx sends RTS flow control */ #define HAYESP_FLOW_CTS 0x10 /* cmd2: local transmitter responds to CTS */ /* Used by HAYESP_SETRXFLOW. */ #define HAYESP_RXHIWMARK 768 #define HAYESP_RXLOWMARK 512 #define HAYESP_HIBYTE(w) (((w) >> 8) & 0xff) #define HAYESP_LOBYTE(w) ((w) & 0xff) #endif /* !_HAYESPREG_H_ */
