1 /* $NetBSD: hb.c,v 1.9 2002/10/02 04:40:08 thorpej 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 #include <machine/bus.h> 35 #include <machine/cpu.h> 36 37 #include <news68k/news68k/isr.h> 38 #include <news68k/dev/hbvar.h> 39 40 static int hb_match __P((struct device *, struct cfdata *, void *)); 41 static void hb_attach __P((struct device *, struct device *, void *)); 42 static int hb_search __P((struct device *, struct cfdata *, void *)); 43 static int hb_print __P((void *, const char *)); 44 45 CFATTACH_DECL(hb, sizeof(struct device), 46 hb_match, hb_attach, NULL, NULL); 47 48 extern struct cfdriver hb_cd; 49 50 static int 51 hb_match(parent, cf, aux) 52 struct device *parent; 53 struct cfdata *cf; 54 void *aux; 55 { 56 struct mainbus_attach_args *ma = aux; 57 58 if (strcmp(ma->ma_name, hb_cd.cd_name) != 0) 59 return 0; 60 61 if (ma->ma_systype != -1 && ma->ma_systype != systype) 62 return 0; 63 64 return 1; 65 } 66 67 static void 68 hb_attach(parent, self, aux) 69 struct device *parent; 70 struct device *self; 71 void *aux; 72 { 73 struct hb_attach_args ha; 74 75 printf("\n"); 76 memset(&ha, 0, sizeof(ha)); 77 78 config_search(hb_search, self, &ha); 79 } 80 81 static int 82 hb_search(parent, cf, aux) 83 struct device *parent; 84 struct cfdata *cf; 85 void *aux; 86 { 87 struct hb_attach_args *ha = aux; 88 89 ha->ha_name = cf->cf_name; 90 ha->ha_address = cf->cf_addr; 91 ha->ha_ipl = cf->cf_ipl; 92 ha->ha_vect = cf->cf_vect; 93 94 /* XXX news68k Hyper-bus is not a real bus... */ 95 ha->ha_bust = ISIIOPA(ha->ha_address) ? 96 NEWS68K_BUS_SPACE_INTIO : NEWS68K_BUS_SPACE_EIO; 97 98 if (config_match(parent, cf, ha) > 0) 99 config_attach(parent, cf, ha, hb_print); 100 101 return 0; 102 } 103 104 /* 105 * Print out the confargs. The (parent) name is non-NULL 106 * when there was no match found by config_found(). 107 */ 108 static int 109 hb_print(args, name) 110 void *args; 111 const char *name; 112 { 113 struct hb_attach_args *ha = args; 114 115 #if 0 116 if (ha->ha_addr > 0) 117 #endif 118 printf (" addr 0x%08lx", ha->ha_address); 119 if (ha->ha_ipl > 0) 120 printf (" ipl %d", ha->ha_ipl); 121 if (ha->ha_vect > 0) { 122 printf (" vect %d", ha->ha_vect); 123 } 124 125 return (QUIET); 126 } 127 128 /* 129 * hb_intr_establish: establish hb interrupt 130 */ 131 void 132 hb_intr_establish(hbvect, hand, ipl, arg) 133 int hbvect; 134 int (*hand) __P((void *)), ipl; 135 void *arg; 136 { 137 138 if ((ipl < 1) || (ipl > 7)) { 139 printf("hb: illegal interrupt level: %d\n", ipl); 140 panic("hb_intr_establish"); 141 } 142 143 if ((hbvect < 0) || (hbvect > 255)) { 144 printf("hb: illegal vector offset: 0x%x\n", hbvect); 145 panic("hb_intr_establish"); 146 } 147 148 isrlink_vectored(hand, arg, ipl, hbvect); 149 } 150 151 void 152 hb_intr_disestablish(hbvect) 153 int hbvect; 154 { 155 156 if ((hbvect < 0) || (hbvect > 255)) { 157 printf("hb: illegal vector offset: 0x%x\n", hbvect); 158 panic("hb_intr_disestablish"); 159 } 160 161 isrunlink_vectored(hbvect); 162 } 163