/* $OpenBSD: isa.c,v 1.22 1997/01/04 14:14:55 niklas Exp $ */ /* $NetBSD: isa.c,v 1.85 1996/05/14 00:31:04 thorpej Exp $ */ /*- * Copyright (c) 1993, 1994 Charles Hannum. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Charles Hannum. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include "isapnp.h" int isamatch __P((struct device *, void *, void *)); void isaattach __P((struct device *, struct device *, void *)); struct cfattach isa_ca = { sizeof(struct isa_softc), isamatch, isaattach }; struct cfdriver isa_cd = { NULL, "isa", DV_DULL, 1 }; int isamatch(parent, match, aux) struct device *parent; void *match, *aux; { struct cfdata *cf = match; struct isabus_attach_args *iba = aux; if (strcmp(iba->iba_busname, cf->cf_driver->cd_name)) return (0); /* XXX check other indicators */ return (1); } void isaattach(parent, self, aux) struct device *parent, *self; void *aux; { struct isa_softc *sc = (struct isa_softc *)self; struct isabus_attach_args *iba = aux; #if NISAPNP > 0 void postisapnpattach __P((struct device *, struct device *, void *)); #endif /* NISAPNP > 0 */ isa_attach_hook(parent, self, iba); printf("\n"); sc->sc_iot = iba->iba_iot; sc->sc_memt = iba->iba_memt; sc->sc_ic = iba->iba_ic; /* * Map port 0x84, which causes a 1.25us delay when read. * We do this now, since several drivers need it. * XXX this port doesn't exist on all ISA busses... */ if (bus_space_map(sc->sc_iot, 0x84, 1, 0, &sc->sc_delaybah)) panic("isaattach: can't map `delay port'"); /* XXX */ TAILQ_INIT(&sc->sc_subdevs); config_scan(isascan, self); #if NISAPNP > 0 postisapnpattach(parent, self, aux); #endif /* NISAPNP > 0 */ } int isaprint(aux, isa) void *aux; const char *isa; { struct isa_attach_args *ia = aux; if (ia->ia_iosize) printf(" port 0x%x", ia->ia_iobase); if (ia->ia_iosize > 1) printf("-0x%x", ia->ia_iobase + ia->ia_iosize - 1); if (ia->ia_msize) printf(" iomem 0x%x", ia->ia_maddr); if (ia->ia_msize > 1) printf("-0x%x", ia->ia_maddr + ia->ia_msize - 1); if (ia->ia_irq != IRQUNK) printf(" irq %d", ia->ia_irq); if (ia->ia_drq != DRQUNK) printf(" drq %d", ia->ia_drq); return (UNCONF); } void isascan(parent, match) struct device *parent; void *match; { struct isa_softc *sc = (struct isa_softc *)parent; struct device *dev = match; struct cfdata *cf = dev->dv_cfdata; struct isa_attach_args ia; #if 0 struct emap *io_map, *mem_map, *irq_map, *drq_map; #endif if (cf->cf_loc[6] != -1) /* pnp device, scanned later */ return; #if 0 io_map = find_emap("io"); mem_map = find_emap("mem"); irq_map = find_emap("irq"); drq_map = find_emap("drq"); #endif ia.ia_iot = sc->sc_iot; ia.ia_memt = sc->sc_memt; ia.ia_ic = sc->sc_ic; ia.ia_iobase = cf->cf_loc[0]; ia.ia_iosize = 0x666; ia.ia_maddr = cf->cf_loc[2]; ia.ia_msize = cf->cf_loc[3]; ia.ia_irq = cf->cf_loc[4] == 2 ? 9 : cf->cf_loc[4]; ia.ia_drq = cf->cf_loc[5]; ia.ia_delaybah = sc->sc_delaybah; if (cf->cf_fstate == FSTATE_STAR) { struct isa_attach_args ia2 = ia; while ((*cf->cf_attach->ca_match)(parent, dev, &ia2) > 0) { if (ia2.ia_iosize == 0x666) { printf("%s: iosize not repaired by driver\n", sc->sc_dev.dv_xname); ia2.ia_iosize = 0; } #if 0 if (ia2.ia_iobase != -1 && ia2.ia_iosize > 0) add_extent(io_map, ia2.ia_iobase, ia2.ia_iosize); if (ia.ia_maddr != -1 && ia.ia_msize > 0) add_extent(mem_map, ia2.ia_maddr, ia2.ia_msize); if (ia2.ia_irq != -1) add_extent(irq_map, ia2.ia_irq, 1); if (ia2.ia_drq != -1) add_extent(drq_map, ia2.ia_drq, 1); #endif config_attach(parent, dev, &ia2, isaprint); dev = config_make_softc(parent, cf); ia2 = ia; } free(dev, M_DEVBUF); return; } if ((*cf->cf_attach->ca_match)(parent, dev, &ia) > 0) { #if 0 if (ia.ia_iobase > 0 && ia.ia_iosize > 0) add_extent(io_map, ia.ia_iobase, ia.ia_iosize); if (ia.ia_maddr > 0 && ia.ia_msize > 0) add_extent(mem_map, ia.ia_maddr, ia.ia_msize); if (ia.ia_irq > 0) add_extent(irq_map, ia.ia_irq, 1); if (ia.ia_drq > 0) add_extent(drq_map, ia.ia_drq, 1); #endif config_attach(parent, dev, &ia, isaprint); } else free(dev, M_DEVBUF); } char * isa_intr_typename(type) int type; { switch (type) { case IST_NONE: return ("none"); case IST_PULSE: return ("pulsed"); case IST_EDGE: return ("edge-triggered"); case IST_LEVEL: return ("level-triggered"); default: panic("isa_intr_typename: invalid type %d", type); } }