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/* $OpenBSD: ipic.c,v 1.14 2004/07/02 17:57:29 miod Exp $ */
/*
* Copyright (c) 1995 Theo de Raadt
* 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.
*
* 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 <sys/param.h>
#include <sys/conf.h>
#include <sys/ioctl.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sys/tty.h>
#include <sys/uio.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/syslog.h>
#include <sys/fcntl.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/cpu.h>
#include <mvme68k/dev/ipicreg.h>
#include <mvme68k/dev/mcreg.h>
void ipicattach(struct device *, struct device *, void *);
int ipicmatch(struct device *, void *, void *);
int ipicprint(void *, const char *);
int ipicscan(struct device *, void *, void *);
caddr_t ipicmap(struct ipicsoftc *, caddr_t, int);
void ipicunmap(struct ipicsoftc *, caddr_t, int);
struct cfattach ipic_ca = {
sizeof(struct ipicsoftc), ipicmatch, ipicattach
};
struct cfdriver ipic_cd = {
NULL, "ipic", DV_DULL
};
int
ipicmatch(parent, cf, args)
struct device *parent;
void *cf;
void *args;
{
struct confargs *ca = args;
struct ipicreg *ipic = (struct ipicreg *)ca->ca_vaddr;
if (badvaddr((vaddr_t)ipic, 1) || ipic->ipic_chipid != IPIC_CHIPID)
return (0);
return (1);
}
int
ipicprint(args, bus)
void *args;
const char *bus;
{
struct confargs *ca = args;
printf(" slot %d", ca->ca_offset);
if (ca->ca_vec > 0)
printf(" vec %d", ca->ca_vec);
if (ca->ca_ipl > 0)
printf(" ipl %d", ca->ca_ipl);
return (UNCONF);
}
int
ipicscan(parent, child, args)
struct device *parent;
void *child, *args;
{
struct cfdata *cf = child;
struct ipicsoftc *sc = (struct ipicsoftc *)parent;
struct confargs oca;
int slot, n = 0;
caddr_t ipv, ipp;
struct ipid *ipid;
/* XXX can we determine IPIC_IPSPACE automatically? */
for (slot = 0; slot < sc->sc_nip; slot++) {
ipp = sc->sc_ipspace + (slot * IPIC_IP_MODSIZE);
if (badpaddr((paddr_t)ipp + IPIC_IP_IDOFFSET, 2))
continue;
ipv = mapiodev(ipp, NBPG);
if (ipv == NULL)
continue;
ipid = (struct ipid *)(ipv + IPIC_IP_IDOFFSET);
if (ipid->ipid_A != 'A' || ipid->ipid_P != 'P' ||
ipid->ipid_I != 'I' || ipid->ipid_C != 'C' ||
(u_char)cf->cf_loc[0] != ipid->ipid_manu ||
(u_char)cf->cf_loc[1] != ipid->ipid_prod) {
unmapiodev(ipv, NBPG);
continue;
}
bzero(&oca, sizeof oca);
oca.ca_bustype = BUS_IP;
oca.ca_offset = slot; /* slot number */
oca.ca_paddr = ipp;
oca.ca_vaddr = ipv;
oca.ca_len = NBPG;
oca.ca_ipl = cf->cf_loc[2];
oca.ca_vec = cf->cf_loc[3];
if (oca.ca_ipl > 0 && oca.ca_vec == -1)
oca.ca_vec = intr_findvec(255, 0);
oca.ca_name = cf->cf_driver->cd_name;
if ((*cf->cf_attach->ca_match)(parent, cf, &oca) == 0) {
unmapiodev(ipv, NBPG);
continue;
}
config_attach(parent, cf, &oca, ipicprint);
n++;
}
return (n);
}
void
ipicattach(parent, self, args)
struct device *parent, *self;
void *args;
{
struct ipicsoftc *sc = (struct ipicsoftc *)self;
struct confargs *ca = args;
sc->sc_ipic = (struct ipicreg *)ca->ca_vaddr;
sc->sc_ipspace = (caddr_t)IPIC_IPSPACE;
sc->sc_nip = 2;
/*
* Bug in IP2 chip. ipic_chiprev should be 0x01 if
* the MC chip is rev 1. XXX - smurph
*/
if (sys_mc->mc_chiprev == 0x01)
printf(": rev 1\n");
else
printf(": rev %d\n", sc->sc_ipic->ipic_chiprev);
sc->sc_ipic->ipic_reset = IPIC_RESET;
delay(2);
config_search(ipicscan, self, args);
}
caddr_t
ipicmap(sc, addr, len)
struct ipicsoftc *sc;
caddr_t addr;
int len;
{
return (NULL);
}
void
ipicunmap(sc, addr, len)
struct ipicsoftc *sc;
caddr_t addr;
int len;
{
}
int
ipicintr_establish(vec, ih)
int vec;
struct intrhand *ih;
{
return (intr_establish(vec, ih));
}
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