1 /* $NetBSD: intio.c,v 1.26 2007/03/04 05:59:48 christos 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 1.26 2007/03/04 05:59:48 christos 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", RTC_BASE, -1}, 72 { "hil", HIL_BASE, 1}, 73 { "hpib", HPIB_BASE, 3}, 74 { "dma", DMA_BASE, 1}, 75 { "fb", FB_BASE, -1}, 76 }; 77 #define nintio_3xx_builtins __arraycount(intio_3xx_builtins) 78 #endif 79 80 #if defined(HP362) || defined(HP382) 81 static const struct intio_builtins intio_3x2_builtins[] = { 82 { "rtc", RTC_BASE, -1}, 83 { "frodo", FRODO_BASE, 5}, 84 { "hil", HIL_BASE, 1}, 85 { "hpib", HPIB_BASE, 3}, 86 { "dma", DMA_BASE, 1}, 87 }; 88 #define nintio_3x2_builtins __arraycount(intio_3x2_builtins) 89 #endif 90 91 #if defined(HP400) || defined(HP425) || defined(HP433) 92 static const struct intio_builtins intio_4xx_builtins[] = { 93 { "rtc", RTC_BASE, -1}, 94 { "frodo", FRODO_BASE, 5}, 95 { "hil", HIL_BASE, 1}, 96 { "hpib", HPIB_BASE, 3}, 97 { "dma", DMA_BASE, 1}, 98 }; 99 #define nintio_4xx_builtins __arraycount(intio_4xx_builtins) 100 #endif 101 102 static int intio_matched = 0; 103 extern void *internalhpib; 104 105 static int 106 intiomatch(struct device *parent, struct cfdata *match, void *aux) 107 { 108 /* Allow only one instance. */ 109 if (intio_matched) 110 return 0; 111 112 intio_matched = 1; 113 return 1; 114 } 115 116 static void 117 intioattach(struct device *parent, struct device *self, void *aux) 118 { 119 struct intio_softc *sc = (struct intio_softc *)self; 120 struct intio_attach_args ia; 121 const struct intio_builtins *ib; 122 bus_space_tag_t bst = &sc->sc_tag; 123 int ndevs; 124 int i; 125 126 printf("\n"); 127 128 memset(bst, 0, sizeof(struct bus_space_tag)); 129 bst->bustype = HP300_BUS_SPACE_INTIO; 130 131 switch (machineid) { 132 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \ 133 defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \ 134 defined(HP380) || defined(HP385) 135 case HP_320: 136 case HP_330: 137 case HP_340: 138 case HP_345: 139 case HP_350: 140 case HP_360: 141 case HP_370: 142 case HP_375: 143 case HP_380: 144 case HP_385: 145 ib = intio_3xx_builtins; 146 ndevs = nintio_3xx_builtins; 147 break; 148 #endif 149 #if defined(HP362) || defined(HP382) 150 case HP_362: 151 case HP_382: 152 ib = intio_3x2_builtins; 153 ndevs = nintio_3x2_builtins; 154 break; 155 #endif 156 #if defined(HP400) || defined(HP425) || defined(HP433) 157 case HP_400: 158 case HP_425: 159 case HP_433: 160 ib = intio_4xx_builtins; 161 ndevs = nintio_4xx_builtins; 162 break; 163 #endif 164 default: 165 return; 166 } 167 168 memset(&ia, 0, sizeof(ia)); 169 170 for (i = 0; i < ndevs; i++) { 171 172 /* 173 * Internal HP-IB doesn't always return a device ID, 174 * so we rely on the sysflags. 175 */ 176 if (ib[i].ib_offset == HPIB_BASE && !internalhpib) 177 continue; 178 179 strlcpy(ia.ia_modname, ib[i].ib_modname, 180 sizeof(ia.ia_modname)); 181 ia.ia_bst = bst; 182 ia.ia_iobase = ib[i].ib_offset; 183 ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset); 184 ia.ia_ipl = ib[i].ib_ipl; 185 config_found(self, &ia, intioprint); 186 } 187 } 188 189 static int 190 intioprint(void *aux, const char *pnp) 191 { 192 struct intio_attach_args *ia = aux; 193 194 if (pnp != NULL) 195 aprint_normal("%s at %s", ia->ia_modname, pnp); 196 if (ia->ia_iobase != 0 && pnp == NULL) { 197 aprint_normal(" addr 0x%lx", INTIOBASE + ia->ia_iobase); 198 if (ia->ia_ipl != -1) 199 aprint_normal(" ipl %d", ia->ia_ipl); 200 } 201 return UNCONF; 202 } 203