isa.c revision 1.103
1 /* $NetBSD: isa.c,v 1.103 1998/07/30 18:03:34 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1993, 1994 Charles Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/kernel.h> 35 #include <sys/conf.h> 36 #include <sys/malloc.h> 37 #include <sys/device.h> 38 39 #include <machine/intr.h> 40 41 #include <dev/isa/isareg.h> 42 #include <dev/isa/isavar.h> 43 #include <dev/isa/isadmareg.h> 44 45 #include "isadma.h" 46 47 #include "isapnp.h" 48 #ifdef NISAPNP 49 #include <dev/isapnp/isapnpreg.h> 50 #include <dev/isapnp/isapnpvar.h> 51 #endif 52 53 int isamatch __P((struct device *, struct cfdata *, void *)); 54 void isaattach __P((struct device *, struct device *, void *)); 55 int isaprint __P((void *, const char *)); 56 57 struct cfattach isa_ca = { 58 sizeof(struct isa_softc), isamatch, isaattach 59 }; 60 61 int isasearch __P((struct device *, struct cfdata *, void *)); 62 63 int 64 isamatch(parent, cf, aux) 65 struct device *parent; 66 struct cfdata *cf; 67 void *aux; 68 { 69 struct isabus_attach_args *iba = aux; 70 71 if (strcmp(iba->iba_busname, cf->cf_driver->cd_name)) 72 return (0); 73 74 /* XXX check other indicators */ 75 76 return (1); 77 } 78 79 void 80 isaattach(parent, self, aux) 81 struct device *parent, *self; 82 void *aux; 83 { 84 struct isa_softc *sc = (struct isa_softc *)self; 85 struct isabus_attach_args *iba = aux; 86 87 isa_attach_hook(parent, self, iba); 88 printf("\n"); 89 90 sc->sc_iot = iba->iba_iot; 91 sc->sc_memt = iba->iba_memt; 92 sc->sc_dmat = iba->iba_dmat; 93 sc->sc_ic = iba->iba_ic; 94 95 #if NISAPNP > 0 96 /* 97 * Reset isapnp cards that the bios configured for us 98 */ 99 isapnp_isa_attach_hook(sc); 100 #endif 101 102 #if NISADMA > 0 103 /* 104 * Initialize our DMA state. 105 */ 106 isa_dmainit(sc->sc_ic, sc->sc_iot, sc->sc_dmat, self); 107 #endif 108 109 TAILQ_INIT(&sc->sc_subdevs); 110 111 config_search(isasearch, self, NULL); 112 } 113 114 int 115 isaprint(aux, isa) 116 void *aux; 117 const char *isa; 118 { 119 struct isa_attach_args *ia = aux; 120 121 if (ia->ia_iosize) 122 printf(" port 0x%x", ia->ia_iobase); 123 if (ia->ia_iosize > 1) 124 printf("-0x%x", ia->ia_iobase + ia->ia_iosize - 1); 125 if (ia->ia_msize) 126 printf(" iomem 0x%x", ia->ia_maddr); 127 if (ia->ia_msize > 1) 128 printf("-0x%x", ia->ia_maddr + ia->ia_msize - 1); 129 if (ia->ia_irq != IRQUNK) 130 printf(" irq %d", ia->ia_irq); 131 if (ia->ia_drq != DRQUNK) 132 printf(" drq %d", ia->ia_drq); 133 if (ia->ia_drq2 != DRQUNK) 134 printf(" drq2 %d", ia->ia_drq2); 135 return (UNCONF); 136 } 137 138 int 139 isasearch(parent, cf, aux) 140 struct device *parent; 141 struct cfdata *cf; 142 void *aux; 143 { 144 struct isa_softc *sc = (struct isa_softc *)parent; 145 struct isa_attach_args ia; 146 int tryagain; 147 148 do { 149 ia.ia_iot = sc->sc_iot; 150 ia.ia_memt = sc->sc_memt; 151 ia.ia_dmat = sc->sc_dmat; 152 ia.ia_ic = sc->sc_ic; 153 ia.ia_iobase = cf->cf_iobase; 154 ia.ia_iosize = 0x666; /* cf->cf_iosize; */ 155 ia.ia_maddr = cf->cf_maddr; 156 ia.ia_msize = cf->cf_msize; 157 ia.ia_irq = cf->cf_irq == 2 ? 9 : cf->cf_irq; 158 ia.ia_drq = cf->cf_drq; 159 ia.ia_drq2 = cf->cf_drq2; 160 161 tryagain = 0; 162 if ((*cf->cf_attach->ca_match)(parent, cf, &ia) > 0) { 163 config_attach(parent, cf, &ia, isaprint); 164 tryagain = (cf->cf_fstate == FSTATE_STAR); 165 } 166 } while (tryagain); 167 168 return (0); 169 } 170 171 char * 172 isa_intr_typename(type) 173 int type; 174 { 175 176 switch (type) { 177 case IST_NONE : 178 return ("none"); 179 case IST_PULSE: 180 return ("pulsed"); 181 case IST_EDGE: 182 return ("edge-triggered"); 183 case IST_LEVEL: 184 return ("level-triggered"); 185 default: 186 panic("isa_intr_typename: invalid type %d", type); 187 } 188 } 189
Indexes created Tue Sep 30 11:09:46 GMT 2025