1 /* $NetBSD: smc90cx6var.h,v 1.9 2008/04/28 20:23:51 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * BAH (SMC 8bit ARCnet chipset) k/dpi 34 * 35 * The SMC 8bit ARCnet chip family uses a register and a memory window, which 36 * we get passed via bus_space_tags and bus_space_handles. 37 * 38 * As the reset functionality differs between the Amiga boards (using the 39 * 90c26 chip) and middle-aged ISA boards (using the 90c56 chip), we have 40 * a sc_reset callback function in the softc, which does a stop function 41 * (reset and leave dead) or a reset function depending on wether the 2nd 42 * parameter is 0 or 1. 43 */ 44 45 #ifndef _SMC90CX6VAR_H_ 46 #define _SMC90CX6VAR_H_ 47 48 #include <sys/callout.h> 49 50 struct bah_softc { 51 struct device sc_dev; 52 struct arccom sc_arccom; /* Common arcnet structures */ 53 bus_space_tag_t sc_bst_r, sc_bst_m; 54 bus_space_handle_t sc_regs, sc_mem; 55 void (*sc_reset)(struct bah_softc *, int); 56 void *sc_rxcookie; /* softcallback cookies */ 57 void *sc_txcookie; 58 struct callout sc_recon_ch; 59 u_long sc_recontime; /* seconds only, I'm lazy */ 60 u_long sc_reconcount; /* for the above */ 61 u_long sc_reconcount_excessive; /* for the above */ 62 #define ARC_EXCESSIVE_RECONS 20 63 #define ARC_EXCESSIVE_RECONS_REWARN 400 64 u_char sc_intmask; 65 u_char sc_rx_act; /* 2..3 */ 66 u_char sc_tx_act; /* 0..1 */ 67 u_char sc_rx_fillcount; 68 u_char sc_tx_fillcount; 69 u_char sc_broadcast[2]; /* is it a broadcast packet? */ 70 u_char sc_retransmits[2]; /* unused at the moment */ 71 }; 72 73 void bah_attach_subr(struct bah_softc *); 74 int bahintr(void *); 75 76 #endif 77