1 /* $NetBSD: hb.c,v 1.19 2008/05/14 13:29:28 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: hb.c,v 1.19 2008/05/14 13:29:28 tsutsui Exp $"); 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/device.h> 33 34 #include <machine/autoconf.h> 35 #include <machine/bus.h> 36 #include <machine/cpu.h> 37 38 #include <news68k/news68k/isr.h> 39 #include <news68k/dev/hbvar.h> 40 41 #include "ioconf.h" 42 43 static int hb_match(device_t, cfdata_t, void *); 44 static void hb_attach(device_t, device_t, void *); 45 static int hb_search(device_t, cfdata_t, const int *, void *); 46 static int hb_print(void *, const char *); 47 48 CFATTACH_DECL_NEW(hb, 0, 49 hb_match, hb_attach, NULL, NULL); 50 51 static int 52 hb_match(device_t parent, cfdata_t cf, void *aux) 53 { 54 struct mainbus_attach_args *ma = aux; 55 56 if (strcmp(ma->ma_name, hb_cd.cd_name) != 0) 57 return 0; 58 59 if (ma->ma_systype != -1 && ma->ma_systype != systype) 60 return 0; 61 62 return 1; 63 } 64 65 static void 66 hb_attach(device_t parent, device_t self, void *aux) 67 { 68 struct hb_attach_args ha; 69 70 aprint_normal("\n"); 71 memset(&ha, 0, sizeof(ha)); 72 73 config_search_ia(hb_search, self, "hb", &ha); 74 } 75 76 static int 77 hb_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 78 { 79 struct hb_attach_args *ha = aux; 80 81 ha->ha_name = cf->cf_name; 82 ha->ha_address = cf->cf_addr; 83 ha->ha_ipl = cf->cf_ipl; 84 ha->ha_vect = cf->cf_vect; 85 86 /* XXX news68k Hyper-bus is not a real bus... */ 87 ha->ha_bust = ISIIOPA(ha->ha_address) ? 88 NEWS68K_BUS_SPACE_INTIO : NEWS68K_BUS_SPACE_EIO; 89 90 if (config_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(void *args, const char *name) 102 { 103 struct hb_attach_args *ha = args; 104 105 #if 0 106 if (ha->ha_addr > 0) 107 #endif 108 aprint_normal(" addr 0x%08lx", ha->ha_address); 109 if (ha->ha_ipl > 0) 110 aprint_normal(" ipl %d", ha->ha_ipl); 111 if (ha->ha_vect > 0) { 112 aprint_normal(" vect %d", ha->ha_vect); 113 } 114 115 return QUIET; 116 } 117 118 /* 119 * hb_intr_establish: establish hb interrupt 120 */ 121 void 122 hb_intr_establish(int hbvect, int (*hand)(void *), int ipl, void *arg) 123 { 124 125 if ((ipl < 1) || (ipl > 7)) { 126 printf("hb: illegal interrupt level: %d\n", ipl); 127 panic("hb_intr_establish"); 128 } 129 130 if ((hbvect < 0) || (hbvect > 255)) { 131 printf("hb: illegal vector offset: 0x%x\n", hbvect); 132 panic("hb_intr_establish"); 133 } 134 135 isrlink_vectored(hand, arg, ipl, hbvect); 136 } 137 138 void 139 hb_intr_disestablish(int hbvect) 140 { 141 142 if ((hbvect < 0) || (hbvect > 255)) { 143 printf("hb: illegal vector offset: 0x%x\n", hbvect); 144 panic("hb_intr_disestablish"); 145 } 146 147 isrunlink_vectored(hbvect); 148 } 149