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hb.c revision 1.1 
      1 /*	$NetBSD: hb.c,v 1.1 1999/12/09 14:53:04 tsutsui Exp $	*/
      2 
      3 /*-
      4  * Copyright (C) 1999 Izumi Tsutsui.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name of the author may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/param.h>
     30 #include <sys/systm.h>
     31 #include <sys/device.h>
     32 
     33 #include <machine/autoconf.h>
     34 
     35 #include <news68k/news68k/isr.h>
     36 #include <news68k/dev/hbvar.h>
     37 
     38 static int	hb_match __P((struct device *, struct cfdata *, void *));
     39 static void	hb_attach __P((struct device *, struct device *, void *));
     40 static int	hb_search __P((struct device *, struct cfdata *, void *));
     41 static int	hb_print __P((void *, const char *));
     42 
     43 struct cfattach hb_ca = {
     44 	sizeof(struct device), hb_match, hb_attach
     45 };
     46 
     47 extern struct cfdriver hb_cd;
     48 
     49 static int
     50 hb_match(parent, cf, aux)
     51 	struct device *parent;
     52 	struct cfdata *cf;
     53 	void *aux;
     54 {
     55 	char *ma_name = aux;
     56 
     57 	if (strcmp(ma_name, hb_cd.cd_name) != 0)
     58 		return 0;
     59 
     60 	return 1;
     61 }
     62 
     63 static void
     64 hb_attach(parent, self, aux)
     65 	struct device *parent;
     66 	struct device *self;
     67 	void *aux;
     68 {
     69 	struct hb_attach_args ha;
     70 
     71 	printf("\n");
     72 	bzero(&ha, sizeof(ha));
     73 
     74 	config_search(hb_search, self, &ha);
     75 }
     76 
     77 static int
     78 hb_search(parent, cf, aux)
     79 	struct device *parent;
     80 	struct cfdata *cf;
     81 	void *aux;
     82 {
     83 	struct hb_attach_args *ha = aux;
     84 
     85 	ha->ha_name = cf->cf_driver->cd_name;
     86 	ha->ha_address = cf->cf_addr;
     87 	ha->ha_ipl = cf->cf_ipl;
     88 	ha->ha_vect = cf->cf_vect;
     89 
     90 	if ((*cf->cf_attach->ca_match)(parent, cf, ha) > 0)
     91 		config_attach(parent, cf, ha, hb_print);
     92 
     93 	return 0;
     94 }
     95 
     96 /*
     97  * Print out the confargs.  The (parent) name is non-NULL
     98  * when there was no match found by config_found().
     99  */
    100 static int
    101 hb_print(args, name)
    102 	void *args;
    103 	const char *name;
    104 {
    105 	struct hb_attach_args *ha = args;
    106 
    107 #if 0
    108 	if (ha->ha_addr > 0)
    109 #endif
    110 		printf (" addr 0x%08lx", ha->ha_address);
    111 	if (ha->ha_ipl > 0)
    112 		printf (" ipl %d", ha->ha_ipl);
    113 	if (ha->ha_vect > 0) {
    114 		printf (" vect %d", ha->ha_vect);
    115 	}
    116 
    117 	return (QUIET);
    118 }
    119 
    120 /*
    121  * hb_intr_establish: establish hb interrupt
    122  */
    123 void
    124 hb_intr_establish(hbvect, hand, ipl, arg)
    125 	int hbvect;
    126 	int (*hand) __P((void *)), ipl;
    127 	void *arg;
    128 {
    129 
    130 	if ((ipl < 1) || (ipl > 7)) {
    131 		printf("hb: illegal interrupt level: %d\n", ipl);
    132 		panic("hb_intr_establish");
    133 	}
    134 
    135 	if ((hbvect < 0) || (hbvect > 255)) {
    136 		printf("pcc: illegal vector offset: 0x%x\n", hbvect);
    137 		panic("pccintr_establish");
    138 	}
    139 
    140 	isrlink_vectored(hand, arg, ipl, hbvect);
    141 }
    142 
    143 void
    144 hb_intr_disestablish(hbvect)
    145 	int hbvect;
    146 {
    147 
    148 	if ((hbvect < 0) || (hbvect > 255)) {
    149 		printf("hb: illegal vector offset: 0x%x\n", hbvect);
    150 		panic("hb_intr_disestablish");
    151 	}
    152 
    153 	isrunlink_vectored(hbvect);
    154 }
    155