1 /* $NetBSD: smc90cx6var.h,v 1.8 2005/12/11 12:21:28 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ignatios Souvatzis. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * BAH (SMC 8bit ARCnet chipset) k/dpi 41 * 42 * The SMC 8bit ARCnet chip family uses a register and a memory window, which 43 * we get passed via bus_space_tags and bus_space_handles. 44 * 45 * As the reset functionality differs between the Amiga boards (using the 46 * 90c26 chip) and middle-aged ISA boards (using the 90c56 chip), we have 47 * a sc_reset callback function in the softc, which does a stop function 48 * (reset and leave dead) or a reset function depending on wether the 2nd 49 * parameter is 0 or 1. 50 */ 51 52 #ifndef _SMC90CX6VAR_H_ 53 #define _SMC90CX6VAR_H_ 54 55 #include <sys/callout.h> 56 57 struct bah_softc { 58 struct device sc_dev; 59 struct arccom sc_arccom; /* Common arcnet structures */ 60 bus_space_tag_t sc_bst_r, sc_bst_m; 61 bus_space_handle_t sc_regs, sc_mem; 62 void (*sc_reset)(struct bah_softc *, int); 63 void *sc_rxcookie; /* softcallback cookies */ 64 void *sc_txcookie; 65 struct callout sc_recon_ch; 66 u_long sc_recontime; /* seconds only, I'm lazy */ 67 u_long sc_reconcount; /* for the above */ 68 u_long sc_reconcount_excessive; /* for the above */ 69 #define ARC_EXCESSIVE_RECONS 20 70 #define ARC_EXCESSIVE_RECONS_REWARN 400 71 u_char sc_intmask; 72 u_char sc_rx_act; /* 2..3 */ 73 u_char sc_tx_act; /* 0..1 */ 74 u_char sc_rx_fillcount; 75 u_char sc_tx_fillcount; 76 u_char sc_broadcast[2]; /* is it a broadcast packet? */ 77 u_char sc_retransmits[2]; /* unused at the moment */ 78 }; 79 80 void bah_attach_subr(struct bah_softc *); 81 int bahintr(void *); 82 83 #endif 84