1 /* $NetBSD: lm_isa.c,v 1.3 2000/06/24 00:37:20 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Bill Squier. 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 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/kernel.h> 42 #include <sys/proc.h> 43 #include <sys/device.h> 44 #include <sys/malloc.h> 45 #include <sys/errno.h> 46 #include <sys/conf.h> 47 48 #include <machine/bus.h> 49 50 #include <dev/isa/isareg.h> 51 #include <dev/isa/isavar.h> 52 53 #include <machine/intr.h> 54 #include <machine/bus.h> 55 56 #include <dev/sysmon/sysmonvar.h> 57 58 #include <dev/ic/nslm7xvar.h> 59 60 #if defined(LMDEBUG) 61 #define DPRINTF(x) do { printf x; } while (0) 62 #else 63 #define DPRINTF(x) 64 #endif 65 66 67 int lm_isa_match __P((struct device *, struct cfdata *, void *)); 68 void lm_isa_attach __P((struct device *, struct device *, void *)); 69 70 struct cfattach lm_isa_ca = { 71 sizeof(struct lm_softc), lm_isa_match, lm_isa_attach 72 }; 73 74 75 int 76 lm_isa_match(parent, match, aux) 77 struct device *parent; 78 struct cfdata *match; 79 void *aux; 80 { 81 bus_space_tag_t iot; 82 bus_space_handle_t ioh; 83 struct isa_attach_args *ia = aux; 84 int iobase; 85 int rv; 86 87 /* Must supply an address */ 88 if (ia->ia_iobase == ISACF_PORT_DEFAULT) 89 return 0; 90 91 iot = ia->ia_iot; 92 iobase = ia->ia_iobase; 93 94 if (bus_space_map(iot, iobase, 8, 0, &ioh)) 95 return (0); 96 97 98 /* Bus independent probe */ 99 rv = lm_probe(iot, ioh); 100 101 bus_space_unmap(iot, ioh, 8); 102 103 if (rv) { 104 ia->ia_iosize = 8; 105 ia->ia_msize = 0; 106 } 107 108 return (rv); 109 } 110 111 112 void 113 lm_isa_attach(parent, self, aux) 114 struct device *parent, *self; 115 void *aux; 116 { 117 struct lm_softc *lmsc = (void *)self; 118 int iobase; 119 bus_space_tag_t iot; 120 struct isa_attach_args *ia = aux; 121 122 iobase = ia->ia_iobase; 123 iot = lmsc->lm_iot = ia->ia_iot; 124 125 if (bus_space_map(iot, iobase, 8, 0, &lmsc->lm_ioh)) { 126 printf(": can't map i/o space\n"); 127 return; 128 } 129 130 /* Bus-independant attachment */ 131 lm_attach(lmsc); 132 } 133