1 /* $NetBSD: intio.c,v 1.27 2008/03/29 06:47:07 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 * 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 1.27 2008/03/29 06:47:07 tsutsui 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 device_t sc_dev; 57 struct bus_space_tag sc_tag; 58 }; 59 60 static int intiomatch(device_t, cfdata_t, void *); 61 static void intioattach(device_t, device_t, void *); 62 static int intioprint(void *, const char *); 63 64 CFATTACH_DECL_NEW(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(device_t parent, cfdata_t cf, void *aux) 107 { 108 109 /* Allow only one instance. */ 110 if (intio_matched) 111 return 0; 112 113 intio_matched = 1; 114 return 1; 115 } 116 117 static void 118 intioattach(device_t parent, device_t self, void *aux) 119 { 120 struct intio_softc *sc = device_private(self); 121 struct intio_attach_args ia; 122 const struct intio_builtins *ib; 123 bus_space_tag_t bst = &sc->sc_tag; 124 int ndevs; 125 int i; 126 127 sc->sc_dev = self; 128 aprint_normal("\n"); 129 130 memset(bst, 0, sizeof(struct bus_space_tag)); 131 bst->bustype = HP300_BUS_SPACE_INTIO; 132 133 switch (machineid) { 134 #if defined(HP320) || defined(HP330) || defined(HP340) || defined(HP345) || \ 135 defined(HP350) || defined(HP360) || defined(HP370) || defined(HP375) || \ 136 defined(HP380) || defined(HP385) 137 case HP_320: 138 case HP_330: 139 case HP_340: 140 case HP_345: 141 case HP_350: 142 case HP_360: 143 case HP_370: 144 case HP_375: 145 case HP_380: 146 case HP_385: 147 ib = intio_3xx_builtins; 148 ndevs = nintio_3xx_builtins; 149 break; 150 #endif 151 #if defined(HP362) || defined(HP382) 152 case HP_362: 153 case HP_382: 154 ib = intio_3x2_builtins; 155 ndevs = nintio_3x2_builtins; 156 break; 157 #endif 158 #if defined(HP400) || defined(HP425) || defined(HP433) 159 case HP_400: 160 case HP_425: 161 case HP_433: 162 ib = intio_4xx_builtins; 163 ndevs = nintio_4xx_builtins; 164 break; 165 #endif 166 default: 167 return; 168 } 169 170 memset(&ia, 0, sizeof(ia)); 171 172 for (i = 0; i < ndevs; i++) { 173 174 /* 175 * Internal HP-IB doesn't always return a device ID, 176 * so we rely on the sysflags. 177 */ 178 if (ib[i].ib_offset == HPIB_BASE && !internalhpib) 179 continue; 180 181 strlcpy(ia.ia_modname, ib[i].ib_modname, 182 sizeof(ia.ia_modname)); 183 ia.ia_bst = bst; 184 ia.ia_iobase = ib[i].ib_offset; 185 ia.ia_addr = (bus_addr_t)(intiobase + ib[i].ib_offset); 186 ia.ia_ipl = ib[i].ib_ipl; 187 config_found(self, &ia, intioprint); 188 } 189 } 190 191 static int 192 intioprint(void *aux, const char *pnp) 193 { 194 struct intio_attach_args *ia = aux; 195 196 if (pnp != NULL) 197 aprint_normal("%s at %s", ia->ia_modname, pnp); 198 if (ia->ia_iobase != 0 && pnp == NULL) { 199 aprint_normal(" addr 0x%lx", INTIOBASE + ia->ia_iobase); 200 if (ia->ia_ipl != -1) 201 aprint_normal(" ipl %d", ia->ia_ipl); 202 } 203 return UNCONF; 204 } 205