150 lines
3.9 KiB
C
150 lines
3.9 KiB
C
/* $NetBSD: hb.c,v 1.21 2021/08/07 16:19:00 thorpej Exp $ */
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/*-
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* Copyright (c) 1999 Izumi Tsutsui. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: hb.c,v 1.21 2021/08/07 16:19:00 thorpej Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <machine/autoconf.h>
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#include <machine/bus.h>
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#include <machine/cpu.h>
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#include <news68k/news68k/isr.h>
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#include <news68k/dev/hbvar.h>
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#include "ioconf.h"
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static int hb_match(device_t, cfdata_t, void *);
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static void hb_attach(device_t, device_t, void *);
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static int hb_search(device_t, cfdata_t, const int *, void *);
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static int hb_print(void *, const char *);
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CFATTACH_DECL_NEW(hb, 0,
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hb_match, hb_attach, NULL, NULL);
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static int
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hb_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct mainbus_attach_args *ma = aux;
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if (strcmp(ma->ma_name, hb_cd.cd_name) != 0)
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return 0;
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if (ma->ma_systype != -1 && ma->ma_systype != systype)
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return 0;
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return 1;
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}
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static void
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hb_attach(device_t parent, device_t self, void *aux)
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{
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struct hb_attach_args ha;
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aprint_normal("\n");
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memset(&ha, 0, sizeof(ha));
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config_search(self, &ha,
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CFARGS(.search = hb_search));
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}
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static int
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hb_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
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{
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struct hb_attach_args *ha = aux;
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ha->ha_name = cf->cf_name;
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ha->ha_address = cf->cf_addr;
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ha->ha_ipl = cf->cf_ipl;
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ha->ha_vect = cf->cf_vect;
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/* XXX news68k Hyper-bus is not a real bus... */
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ha->ha_bust = ISIIOPA(ha->ha_address) ?
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NEWS68K_BUS_SPACE_INTIO : NEWS68K_BUS_SPACE_EIO;
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if (config_probe(parent, cf, ha))
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config_attach(parent, cf, ha, hb_print, CFARGS_NONE);
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return 0;
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}
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/*
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* Print out the confargs. The (parent) name is non-NULL
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* when there was no match found by config_found().
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*/
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static int
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hb_print(void *args, const char *name)
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{
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struct hb_attach_args *ha = args;
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#if 0
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if (ha->ha_addr > 0)
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#endif
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aprint_normal(" addr 0x%08lx", ha->ha_address);
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if (ha->ha_ipl > 0)
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aprint_normal(" ipl %d", ha->ha_ipl);
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if (ha->ha_vect > 0) {
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aprint_normal(" vect %d", ha->ha_vect);
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}
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return QUIET;
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}
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/*
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* hb_intr_establish: establish hb interrupt
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*/
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void
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hb_intr_establish(int hbvect, int (*hand)(void *), int ipl, void *arg)
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{
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if ((ipl < 1) || (ipl > 7)) {
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printf("hb: illegal interrupt level: %d\n", ipl);
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panic("hb_intr_establish");
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}
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if ((hbvect < 0) || (hbvect > 255)) {
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printf("hb: illegal vector offset: 0x%x\n", hbvect);
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panic("hb_intr_establish");
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}
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isrlink_vectored(hand, arg, ipl, hbvect);
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}
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void
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hb_intr_disestablish(int hbvect)
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{
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if ((hbvect < 0) || (hbvect > 255)) {
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printf("hb: illegal vector offset: 0x%x\n", hbvect);
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panic("hb_intr_disestablish");
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}
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isrunlink_vectored(hbvect);
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}
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