isa.c revision 1.108
1 /* $NetBSD: isa.c,v 1.108 2001/06/19 12:45:23 fvdl Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 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/malloc.h> 43 #include <sys/device.h> 44 45 #include <machine/intr.h> 46 47 #include <dev/isa/isareg.h> 48 #include <dev/isa/isavar.h> 49 #include <dev/isa/isadmareg.h> 50 51 #include "isadma.h" 52 53 #include "isapnp.h" 54 #if NISAPNP > 0 55 #include <dev/isapnp/isapnpreg.h> 56 #include <dev/isapnp/isapnpvar.h> 57 #endif 58 59 int isamatch __P((struct device *, struct cfdata *, void *)); 60 void isaattach __P((struct device *, struct device *, void *)); 61 int isaprint __P((void *, const char *)); 62 63 struct cfattach isa_ca = { 64 sizeof(struct isa_softc), isamatch, isaattach 65 }; 66 67 int isasearch __P((struct device *, struct cfdata *, void *)); 68 69 int 70 isamatch(parent, cf, aux) 71 struct device *parent; 72 struct cfdata *cf; 73 void *aux; 74 { 75 struct isabus_attach_args *iba = aux; 76 77 if (strcmp(iba->iba_busname, cf->cf_driver->cd_name)) 78 return (0); 79 80 /* XXX check other indicators */ 81 82 return (1); 83 } 84 85 void 86 isaattach(parent, self, aux) 87 struct device *parent, *self; 88 void *aux; 89 { 90 struct isa_softc *sc = (struct isa_softc *)self; 91 struct isabus_attach_args *iba = aux; 92 93 isa_attach_hook(parent, self, iba); 94 printf("\n"); 95 96 sc->sc_iot = iba->iba_iot; 97 sc->sc_memt = iba->iba_memt; 98 sc->sc_dmat = iba->iba_dmat; 99 sc->sc_ic = iba->iba_ic; 100 101 #if NISAPNP > 0 102 /* 103 * Reset isapnp cards that the bios configured for us 104 */ 105 isapnp_isa_attach_hook(sc); 106 #endif 107 108 #if NISADMA > 0 109 /* 110 * Initialize our DMA state. 111 */ 112 isa_dmainit(sc->sc_ic, sc->sc_iot, sc->sc_dmat, self); 113 #endif 114 115 config_search(isasearch, self, NULL); 116 } 117 118 int 119 isaprint(aux, isa) 120 void *aux; 121 const char *isa; 122 { 123 struct isa_attach_args *ia = aux; 124 125 if (ia->ia_iosize) 126 printf(" port 0x%x", ia->ia_iobase); 127 if (ia->ia_iosize > 1) 128 printf("-0x%x", ia->ia_iobase + ia->ia_iosize - 1); 129 if (ia->ia_msize) 130 printf(" iomem 0x%x", ia->ia_maddr); 131 if (ia->ia_msize > 1) 132 printf("-0x%x", ia->ia_maddr + ia->ia_msize - 1); 133 if (ia->ia_irq != IRQUNK) 134 printf(" irq %d", ia->ia_irq); 135 if (ia->ia_drq != DRQUNK) 136 printf(" drq %d", ia->ia_drq); 137 if (ia->ia_drq2 != DRQUNK) 138 printf(" drq2 %d", ia->ia_drq2); 139 return (UNCONF); 140 } 141 142 int 143 isasearch(parent, cf, aux) 144 struct device *parent; 145 struct cfdata *cf; 146 void *aux; 147 { 148 struct isa_softc *sc = (struct isa_softc *)parent; 149 struct isa_attach_args ia; 150 int tryagain; 151 152 do { 153 ia.ia_iot = sc->sc_iot; 154 ia.ia_memt = sc->sc_memt; 155 ia.ia_dmat = sc->sc_dmat; 156 ia.ia_ic = sc->sc_ic; 157 ia.ia_iobase = cf->cf_iobase; 158 ia.ia_iosize = 0x666; /* cf->cf_iosize; */ 159 ia.ia_maddr = cf->cf_maddr; 160 ia.ia_msize = cf->cf_msize; 161 ia.ia_irq = cf->cf_irq == 2 ? 9 : cf->cf_irq; 162 ia.ia_drq = cf->cf_drq; 163 ia.ia_drq2 = cf->cf_drq2; 164 165 tryagain = 0; 166 if ((*cf->cf_attach->ca_match)(parent, cf, &ia) > 0) { 167 config_attach(parent, cf, &ia, isaprint); 168 tryagain = (cf->cf_fstate == FSTATE_STAR); 169 } 170 } while (tryagain); 171 172 return (0); 173 } 174 175 char * 176 isa_intr_typename(type) 177 int type; 178 { 179 180 switch (type) { 181 case IST_NONE : 182 return ("none"); 183 case IST_PULSE: 184 return ("pulsed"); 185 case IST_EDGE: 186 return ("edge-triggered"); 187 case IST_LEVEL: 188 return ("level-triggered"); 189 default: 190 panic("isa_intr_typename: invalid type %d", type); 191 } 192 } 193
Indexes created Tue Sep 30 06:09:59 GMT 2025