1 /* $NetBSD: intio.c,v 1.29 2010/12/31 22:41:55 tsutsui 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Autoconfiguration support for hp300 internal i/o space. 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: intio.c,v 1.29 2010/12/31 22:41:55 tsutsui Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 43 #include <machine/hp300spu.h> 44 45 #include <hp300/dev/intioreg.h> 46 #include <hp300/dev/intiovar.h> 47 48 struct intio_softc { 49 device_t sc_dev; 50 struct bus_space_tag sc_tag; 51 }; 52 53 static int intiomatch(device_t, cfdata_t, void *); 54 static void intioattach(device_t, device_t, void *); 55 static int intioprint(void *, const char *); 56 57 CFATTACH_DECL_NEW(intio, sizeof(struct intio_softc), 58 intiomatch, intioattach, NULL, NULL); 59 60 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \ 61 defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \ 62 defined(HP380) || defined(HP385) 63 static const struct intio_builtins intio_3xx_builtins[] = { 64 { "rtc", RTC_BASE, -1}, 65 { "hil", HIL_BASE, 1}, 66 { "hpib", HPIB_BASE, 3}, 67 { "dma", DMA_BASE, 1}, 68 { "fb", FB_BASE, -1}, 69 }; 70 #define nintio_3xx_builtins __arraycount(intio_3xx_builtins) 71 #endif 72 73 #if defined(HP362) 74 static const struct intio_builtins intio_362_builtins[] = { 75 { "rtc", RTC_BASE, -1}, 76 { "hil", HIL_BASE, 1}, 77 { "hpib", HPIB_BASE, 3}, 78 { "dma", DMA_BASE, 1}, 79 }; 80 #define nintio_362_builtins __arraycount(intio_362_builtins) 81 #endif 82 83 #if defined(HP382) 84 static const struct intio_builtins intio_382_builtins[] = { 85 { "rtc", RTC_BASE, -1}, 86 { "frodo", FRODO_BASE, 5}, 87 { "hil", HIL_BASE, 1}, 88 { "hpib", HPIB_BASE, 3}, 89 { "dma", DMA_BASE, 1}, 90 }; 91 #define nintio_382_builtins __arraycount(intio_382_builtins) 92 #endif 93 94 #if defined(HP400) || defined(HP425) || defined(HP433) 95 static const struct intio_builtins intio_4xx_builtins[] = { 96 { "rtc", RTC_BASE, -1}, 97 { "frodo", FRODO_BASE, 5}, 98 { "hil", HIL_BASE, 1}, 99 { "hpib", HPIB_BASE, 3}, 100 { "dma", DMA_BASE, 1}, 101 }; 102 #define nintio_4xx_builtins __arraycount(intio_4xx_builtins) 103 #endif 104 105 static int intio_matched = 0; 106 extern void *internalhpib; 107 108 static int 109 intiomatch(device_t parent, cfdata_t cf, void *aux) 110 { 111 112 /* Allow only one instance. */ 113 if (intio_matched) 114 return 0; 115 116 intio_matched = 1; 117 return 1; 118 } 119 120 static void 121 intioattach(device_t parent, device_t self, void *aux) 122 { 123 struct intio_softc *sc = device_private(self); 124 struct intio_attach_args ia; 125 const struct intio_builtins *ib; 126 bus_space_tag_t bst = &sc->sc_tag; 127 int ndevs; 128 int i; 129 130 sc->sc_dev = self; 131 aprint_normal("\n"); 132 133 memset(bst, 0, sizeof(struct bus_space_tag)); 134 bst->bustype = HP300_BUS_SPACE_INTIO; 135 136 switch (machineid) { 137 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \ 138 defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \ 139 defined(HP380) || defined(HP385) 140 case HP_320: 141 case HP_330: 142 case HP_340: 143 case HP_345: 144 case HP_350: 145 case HP_360: 146 case HP_370: 147 case HP_375: 148 case HP_380: 149 case HP_385: 150 ib = intio_3xx_builtins; 151 ndevs = nintio_3xx_builtins; 152 break; 153 #endif 154 #if defined(HP362) 155 case HP_362: 156 ib = intio_362_builtins; 157 ndevs = nintio_362_builtins; 158 break; 159 #endif 160 #if defined(HP382) 161 case HP_382: 162 ib = intio_382_builtins; 163 ndevs = nintio_382_builtins; 164 break; 165 #endif 166 #if defined(HP400) || defined(HP425) || defined(HP433) 167 case HP_400: 168 case HP_425: 169 case HP_433: 170 ib = intio_4xx_builtins; 171 ndevs = nintio_4xx_builtins; 172 break; 173 #endif 174 default: 175 return; 176 } 177 178 memset(&ia, 0, sizeof(ia)); 179 180 for (i = 0; i < ndevs; i++) { 181 182 /* 183 * Internal HP-IB doesn't always return a device ID, 184 * so we rely on the sysflags. 185 */ 186 if (ib[i].ib_offset == HPIB_BASE && !internalhpib) 187 continue; 188 189 strlcpy(ia.ia_modname, ib[i].ib_modname, 190 sizeof(ia.ia_modname)); 191 ia.ia_bst = bst; 192 ia.ia_iobase = ib[i].ib_offset; 193 ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset); 194 ia.ia_ipl = ib[i].ib_ipl; 195 config_found(self, &ia, intioprint); 196 } 197 } 198 199 static int 200 intioprint(void *aux, const char *pnp) 201 { 202 struct intio_attach_args *ia = aux; 203 204 if (pnp != NULL) 205 aprint_normal("%s at %s", ia->ia_modname, pnp); 206 if (ia->ia_iobase != 0 && pnp == NULL) { 207 aprint_normal(" addr 0x%lx", INTIOBASE + ia->ia_iobase); 208 if (ia->ia_ipl != -1) 209 aprint_normal(" ipl %d", ia->ia_ipl); 210 } 211 return UNCONF; 212 } 213