intio.c revision 1.19
1 /* $NetBSD: intio.c,v 1.19 2004/08/28 17:37:01 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1998, 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Autoconfiguration support for hp300 internal i/o space. 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: intio.c,v 1.19 2004/08/28 17:37:01 thorpej Exp $"); 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/device.h> 49 50 #include <machine/hp300spu.h> 51 52 #include <hp300/dev/intioreg.h> 53 #include <hp300/dev/intiovar.h> 54 55 struct intio_softc { 56 struct device sc_dev; 57 struct bus_space_tag sc_tag; 58 }; 59 60 static int intiomatch(struct device *, struct cfdata *, void *); 61 static void intioattach(struct device *, struct device *, void *); 62 static int intioprint(void *, const char *); 63 64 CFATTACH_DECL(intio, sizeof(struct intio_softc), 65 intiomatch, intioattach, NULL, NULL); 66 67 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \ 68 defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \ 69 defined(HP380) || defined(HP385) 70 static const struct intio_builtins intio_3xx_builtins[] = { 71 { "rtc", 0x020000, -1}, 72 { "hil", 0x028000, 1}, 73 { "hpib", 0x078000, 3}, 74 { "dma", 0x100000, 1}, 75 { "fb", 0x160000, -1}, 76 }; 77 #define nintio_3xx_builtins \ 78 (sizeof(intio_3xx_builtins) / sizeof(intio_3xx_builtins[0])) 79 #endif 80 81 #if defined(HP400) || defined(HP425) || defined(HP433) 82 static const struct intio_builtins intio_4xx_builtins[] = { 83 { "rtc", 0x020000, -1}, 84 { "frodo", 0x01c000, 5}, 85 { "hil", 0x028000, 1}, 86 { "hpib", 0x078000, 3}, 87 { "dma", 0x100000, 1}, 88 }; 89 #define nintio_4xx_builtins \ 90 (sizeof(intio_4xx_builtins) / sizeof(intio_4xx_builtins[0])) 91 #endif 92 93 static int intio_matched = 0; 94 extern caddr_t internalhpib; 95 96 static int 97 intiomatch(struct device *parent, struct cfdata *match, void *aux) 98 { 99 /* Allow only one instance. */ 100 if (intio_matched) 101 return (0); 102 103 intio_matched = 1; 104 return (1); 105 } 106 107 static void 108 intioattach(struct device *parent, struct device *self, void *aux) 109 { 110 struct intio_softc *sc = (struct intio_softc *)self; 111 struct intio_attach_args ia; 112 const struct intio_builtins *ib; 113 bus_space_tag_t bst = &sc->sc_tag; 114 int ndevs; 115 int i; 116 117 printf("\n"); 118 119 memset(bst, 0, sizeof(struct bus_space_tag)); 120 bst->bustype = HP300_BUS_SPACE_INTIO; 121 122 switch (machineid) { 123 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \ 124 defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \ 125 defined(HP380) || defined(HP385) 126 case HP_320: 127 case HP_330: 128 case HP_340: 129 case HP_345: 130 case HP_350: 131 case HP_360: 132 case HP_370: 133 case HP_375: 134 case HP_380: 135 case HP_385: 136 ib = intio_3xx_builtins; 137 ndevs = nintio_3xx_builtins; 138 break; 139 #endif 140 #if defined(HP400) || defined(HP425) || defined(HP433) 141 case HP_400: 142 case HP_425: 143 case HP_433: 144 ib = intio_4xx_builtins; 145 ndevs = nintio_4xx_builtins; 146 break; 147 #endif 148 default: 149 return; 150 } 151 152 memset(&ia, 0, sizeof(ia)); 153 154 for (i = 0; i < ndevs; i++) { 155 156 /* 157 * Internal HP-IB doesn't always return a device ID, 158 * so we rely on the sysflags. 159 */ 160 if (ib[i].ib_offset == 0x078000 && !internalhpib) 161 continue; 162 163 strncpy(ia.ia_modname, ib[i].ib_modname, INTIO_MOD_LEN); 164 ia.ia_modname[INTIO_MOD_LEN] = '\0'; 165 ia.ia_bst = bst; 166 ia.ia_iobase = ib[i].ib_offset; 167 ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset); 168 ia.ia_ipl = ib[i].ib_ipl; 169 config_found(self, &ia, intioprint); 170 } 171 } 172 173 static int 174 intioprint(void *aux, const char *pnp) 175 { 176 struct intio_attach_args *ia = aux; 177 178 if (pnp != NULL) 179 aprint_normal("%s at %s", ia->ia_modname, pnp); 180 if (ia->ia_iobase != 0 && pnp == NULL) { 181 aprint_normal(" addr 0x%lx", INTIOBASE + ia->ia_iobase); 182 if (ia->ia_ipl != -1) 183 aprint_normal(" ipl %d", ia->ia_ipl); 184 } 185 return (UNCONF); 186 } 187
Indexes created Thu Sep 25 08:09:54 GMT 2025