NetBSD/sys/arch/news68k/dev/hb.c

164 lines
4.1 KiB
C

/* $NetBSD: hb.c,v 1.4 2000/10/04 16:26:43 tsutsui Exp $ */
/*-
* Copyright (C) 1999 Izumi Tsutsui. 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. 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 <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <news68k/news68k/isr.h>
#include <news68k/dev/hbvar.h>
static int hb_match __P((struct device *, struct cfdata *, void *));
static void hb_attach __P((struct device *, struct device *, void *));
static int hb_search __P((struct device *, struct cfdata *, void *));
static int hb_print __P((void *, const char *));
struct cfattach hb_ca = {
sizeof(struct device), hb_match, hb_attach
};
extern struct cfdriver hb_cd;
static int
hb_match(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct mainbus_attach_args *ma = aux;
if (strcmp(ma->ma_name, hb_cd.cd_name) != 0)
return 0;
if (ma->ma_systype != -1 && ma->ma_systype != systype)
return 0;
return 1;
}
static void
hb_attach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
struct hb_attach_args ha;
printf("\n");
bzero(&ha, sizeof(ha));
config_search(hb_search, self, &ha);
}
static int
hb_search(parent, cf, aux)
struct device *parent;
struct cfdata *cf;
void *aux;
{
struct hb_attach_args *ha = aux;
ha->ha_name = cf->cf_driver->cd_name;
ha->ha_address = cf->cf_addr;
ha->ha_ipl = cf->cf_ipl;
ha->ha_vect = cf->cf_vect;
/* XXX news68k Hyper-bus is not a real bus... */
ha->ha_bust = ISIIOPA(ha->ha_address) ?
NEWS68K_BUS_SPACE_INTIO : NEWS68K_BUS_SPACE_EIO;
if ((*cf->cf_attach->ca_match)(parent, cf, ha) > 0)
config_attach(parent, cf, ha, hb_print);
return 0;
}
/*
* Print out the confargs. The (parent) name is non-NULL
* when there was no match found by config_found().
*/
static int
hb_print(args, name)
void *args;
const char *name;
{
struct hb_attach_args *ha = args;
#if 0
if (ha->ha_addr > 0)
#endif
printf (" addr 0x%08lx", ha->ha_address);
if (ha->ha_ipl > 0)
printf (" ipl %d", ha->ha_ipl);
if (ha->ha_vect > 0) {
printf (" vect %d", ha->ha_vect);
}
return (QUIET);
}
/*
* hb_intr_establish: establish hb interrupt
*/
void
hb_intr_establish(hbvect, hand, ipl, arg)
int hbvect;
int (*hand) __P((void *)), ipl;
void *arg;
{
if ((ipl < 1) || (ipl > 7)) {
printf("hb: illegal interrupt level: %d\n", ipl);
panic("hb_intr_establish");
}
if ((hbvect < 0) || (hbvect > 255)) {
printf("hb: illegal vector offset: 0x%x\n", hbvect);
panic("hb_intr_establish");
}
isrlink_vectored(hand, arg, ipl, hbvect);
}
void
hb_intr_disestablish(hbvect)
int hbvect;
{
if ((hbvect < 0) || (hbvect > 255)) {
printf("hb: illegal vector offset: 0x%x\n", hbvect);
panic("hb_intr_disestablish");
}
isrunlink_vectored(hbvect);
}