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split isasearch (!__BROKEN_INDIRECT_CONFIG) completely off of

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isascan (__BROKEN_INDIRECT_CONFIG), and attempt multiple match/attach
of cloning devices in isasearch().  (If a match/attach succeeds for
a cloning device, try it again.)
This commit is contained in:
cgd 1997-01-26 03:49:28 +00:00
parent ec6a28b4c7
commit 3573080902
1 changed files with 35 additions and 17 deletions
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52
sys/dev/isa/isa.c
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@ -1,4 +1,4 @@
/* $NetBSD: isa.c,v 1.93 1996/12/08 00:14:03 cgd Exp $ */
/* $NetBSD: isa.c,v 1.94 1997/01/26 03:49:28 cgd Exp $ */
/*-
* Copyright (c) 1993, 1994 Charles Hannum. All rights reserved.
@ -151,22 +151,13 @@ void
isascan(parent, match)
struct device *parent;
void *match;
#else
int
isasearch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
#endif
{
struct isa_softc *sc = (struct isa_softc *)parent;
#ifdef __BROKEN_INDIRECT_CONFIG
struct device *dev = match;
struct cfdata *cf = dev->dv_cfdata;
#endif
struct isa_attach_args ia;
#if defined(__BROKEN_INDIRECT_CONFIG) && defined(__i386__)
#if defined(__i386__)
if (cf->cf_fstate == FSTATE_STAR)
panic("clone devices not supported on ISA bus");
#endif
@ -182,17 +173,44 @@ isasearch(parent, cf, aux)
ia.ia_drq = cf->cf_loc[5];
ia.ia_delaybah = sc->sc_delaybah;
#ifdef __BROKEN_INDIRECT_CONFIG
if ((*cf->cf_attach->ca_match)(parent, match, &ia) > 0)
config_attach(parent, match, &ia, isaprint);
else
free(dev, M_DEVBUF);
#else
if ((*cf->cf_attach->ca_match)(parent, cf, &ia) > 0)
config_attach(parent, cf, &ia, isaprint);
return (0);
#endif
}
#else /* !__BROKEN_INDIRECT_CONFIG */
int
isasearch(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct isa_softc *sc = (struct isa_softc *)parent;
struct isa_attach_args ia;
int tryagain;
do {
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;
tryagain = 0;
if ((*cf->cf_attach->ca_match)(parent, cf, &ia) > 0) {
config_attach(parent, cf, &ia, isaprint);
tryagain = (cf->cf_fstate == FSTATE_STAR);
}
} while (tryagain);
return (0);
}
#endif /* __BROKEN_INDIRECT_CONFIG */
char *
isa_intr_typename(type)