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/* $NetBSD: sio.c,v 1.3 1995/11/23 02:38:16 cgd Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <dev/isa/isavar.h>
#include <dev/eisa/eisavar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#include <alpha/pci/siovar.h>
int siomatch __P((struct device *, void *, void *));
void sioattach __P((struct device *, struct device *, void *));
struct cfdriver siocd = {
NULL, "sio", siomatch, sioattach, DV_DULL, sizeof(struct device)
};
int pcebmatch __P((struct device *, void *, void *));
struct cfdriver pcebcd = {
NULL, "pceb", pcebmatch, sioattach, DV_DULL, sizeof(struct device)
};
static int sioprint __P((void *, char *pnp));
int
siomatch(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct cfdata *cf = match;
struct pcidev_attach_args *pda = aux;
if (PCI_VENDOR(pda->pda_id) != PCI_VENDOR_INTEL ||
PCI_PRODUCT(pda->pda_id) != PCI_PRODUCT_INTEL_SIO)
return (0);
return (1);
}
int
pcebmatch(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct cfdata *cf = match;
struct pcidev_attach_args *pda = aux;
if (PCI_VENDOR(pda->pda_id) != PCI_VENDOR_INTEL ||
PCI_PRODUCT(pda->pda_id) != PCI_PRODUCT_INTEL_PCEB)
return (0);
return (1);
}
void
sioattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct pcidev_attach_args *pda = aux;
struct isa_attach_args ia;
struct eisa_attach_args ea;
int sio, haseisa;
char devinfo[256];
sio = (PCI_PRODUCT(pda->pda_id) == PCI_PRODUCT_INTEL_SIO);
haseisa = (PCI_PRODUCT(pda->pda_id) == PCI_PRODUCT_INTEL_PCEB);
pci_devinfo(pda->pda_id, pda->pda_class, 0, devinfo);
printf(": %s (rev. 0x%02x)\n", devinfo,
PCI_REVISION(pda->pda_class));
if (sio) {
pci_revision_t rev;
rev = PCI_REVISION(pda->pda_class);
if (rev < 3)
printf("%s: WARNING: SIO I SUPPORT UNTESTED\n",
self->dv_xname);
}
#ifdef EVCNT_COUNTERS
evcnt_attach(self, "intr", &sio_intr_evcnt);
#endif
ia.ia_bus = BUS_ISA;
ia.ia_dmafns = pda->pda_dmafns;
ia.ia_dmaarg = pda->pda_dmaarg;
ia.ia_intrfns = &sio_isa_intr_fns;
ia.ia_intrarg = NULL; /* XXX needs nothing */
ia.ia_memfns = pda->pda_memfns;
ia.ia_memarg = pda->pda_memarg;
ia.ia_piofns = pda->pda_piofns;
ia.ia_pioarg = pda->pda_pioarg;
config_found(self, &ia, sioprint);
if (haseisa) {
ea.ea_bus = BUS_EISA;
ea.ea_dmafns = pda->pda_dmafns;
ea.ea_dmaarg = pda->pda_dmaarg;
ea.ea_intrfns = &sio_isa_intr_fns;
ea.ea_intrarg = NULL; /* XXX needs nothing */
ea.ea_memfns = pda->pda_memfns;
ea.ea_memarg = pda->pda_memarg;
ea.ea_piofns = pda->pda_piofns;
ea.ea_pioarg = pda->pda_pioarg;
config_found(self, &ea, sioprint);
}
}
static int
sioprint(aux, pnp)
void *aux;
char *pnp;
{
register struct isa_attach_args *ia = aux;
/*
* XXX Assumes that the first fields of 'struct isa_attach_args'
* XXX and 'struct eisa_attach_args' are the same.
*/
if (pnp)
printf("%s at %s", isa_bustype_name(ia->ia_bus), pnp);
return (UNCONF);
}
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