1 /* $NetBSD: hb.c,v 1.17 2005/12/11 12:18:23 christos 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/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: hb.c,v 1.17 2005/12/11 12:18:23 christos Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/device.h> 35 36 #include <machine/autoconf.h> 37 #include <machine/bus.h> 38 #include <machine/cpu.h> 39 40 #include <news68k/news68k/isr.h> 41 #include <news68k/dev/hbvar.h> 42 43 #include "ioconf.h" 44 45 static int hb_match(struct device *, struct cfdata *, void *); 46 static void hb_attach(struct device *, struct device *, void *); 47 static int hb_search(struct device *, struct cfdata *, 48 const int *, void *); 49 static int hb_print(void *, const char *); 50 51 CFATTACH_DECL(hb, sizeof(struct device), 52 hb_match, hb_attach, NULL, NULL); 53 54 static int 55 hb_match(struct device *parent, struct cfdata *cf, void *aux) 56 { 57 struct mainbus_attach_args *ma = aux; 58 59 if (strcmp(ma->ma_name, hb_cd.cd_name) != 0) 60 return 0; 61 62 if (ma->ma_systype != -1 && ma->ma_systype != systype) 63 return 0; 64 65 return 1; 66 } 67 68 static void 69 hb_attach(struct device *parent, struct device *self, void *aux) 70 { 71 struct hb_attach_args ha; 72 73 printf("\n"); 74 memset(&ha, 0, sizeof(ha)); 75 76 config_search_ia(hb_search, self, "hb", &ha); 77 } 78 79 static int 80 hb_search(struct device *parent, struct cfdata *cf, 81 const int *ldesc, void *aux) 82 { 83 struct hb_attach_args *ha = aux; 84 85 ha->ha_name = cf->cf_name; 86 ha->ha_address = cf->cf_addr; 87 ha->ha_ipl = cf->cf_ipl; 88 ha->ha_vect = cf->cf_vect; 89 90 /* XXX news68k Hyper-bus is not a real bus... */ 91 ha->ha_bust = ISIIOPA(ha->ha_address) ? 92 NEWS68K_BUS_SPACE_INTIO : NEWS68K_BUS_SPACE_EIO; 93 94 if (config_match(parent, cf, ha) > 0) 95 config_attach(parent, cf, ha, hb_print); 96 97 return 0; 98 } 99 100 /* 101 * Print out the confargs. The (parent) name is non-NULL 102 * when there was no match found by config_found(). 103 */ 104 static int 105 hb_print(void *args, const char *name) 106 { 107 struct hb_attach_args *ha = args; 108 109 #if 0 110 if (ha->ha_addr > 0) 111 #endif 112 aprint_normal (" addr 0x%08lx", ha->ha_address); 113 if (ha->ha_ipl > 0) 114 aprint_normal (" ipl %d", ha->ha_ipl); 115 if (ha->ha_vect > 0) { 116 aprint_normal (" vect %d", ha->ha_vect); 117 } 118 119 return QUIET; 120 } 121 122 /* 123 * hb_intr_establish: establish hb interrupt 124 */ 125 void 126 hb_intr_establish(int hbvect, int (*hand)(void *), int ipl, void *arg) 127 { 128 129 if ((ipl < 1) || (ipl > 7)) { 130 printf("hb: illegal interrupt level: %d\n", ipl); 131 panic("hb_intr_establish"); 132 } 133 134 if ((hbvect < 0) || (hbvect > 255)) { 135 printf("hb: illegal vector offset: 0x%x\n", hbvect); 136 panic("hb_intr_establish"); 137 } 138 139 isrlink_vectored(hand, arg, ipl, hbvect); 140 } 141 142 void 143 hb_intr_disestablish(int hbvect) 144 { 145 146 if ((hbvect < 0) || (hbvect > 255)) { 147 printf("hb: illegal vector offset: 0x%x\n", hbvect); 148 panic("hb_intr_disestablish"); 149 } 150 151 isrunlink_vectored(hbvect); 152 } 153