1 /* $NetBSD: if_lereg.h,v 1.8 1995/12/10 00:49:36 mycroft Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1990 The Regents of the University of California. 5 * All rights reserved. 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)if_lereg.h 7.1 (Berkeley) 5/8/90 36 */ 37 38 #define LEID 21 39 40 /* 41 * DIO registers. 42 */ 43 struct lereg0 { 44 u_int8_t ler0_pad0; 45 volatile u_int8_t ler0_id; /* ID */ 46 u_int8_t ler0_pad1; 47 volatile u_int8_t ler0_status; /* interrupt enable/status */ 48 }; 49 50 /* 51 * Control and status bits -- lereg0 52 */ 53 #define LE_IE 0x80 /* interrupt enable */ 54 #define LE_IR 0x40 /* interrupt requested */ 55 #define LE_LOCK 0x08 /* lock status register */ 56 #define LE_ACK 0x04 /* ack of lock */ 57 #define LE_JAB 0x02 /* loss of tx clock (???) */ 58 #define LE_IPL(x) ((((x) >> 4) & 0x3) + 3) 59 60 /* 61 * LANCE registers. 62 */ 63 struct lereg1 { 64 volatile u_int16_t ler1_rdp; /* data port */ 65 volatile u_int16_t ler1_rap; /* register select port */ 66 }; 67