1 /* $NetBSD: intio.c,v 1.33 2024/04/30 05:06:08 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 1.33 2024/04/30 05:06:08 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 #define HAVE_INTIO_FB 64 #endif 65 66 #if defined(HP382) || defined(HP400) || defined(HP425) || defined(HP433) 67 #define HAVE_INTIO_FRODO 68 #endif 69 70 #define INTIO_3xx_BUILTINS \ 71 (__BIT(HP_320) | __BIT(HP_330) | __BIT(HP_340) | \ 72 __BIT(HP_345) | __BIT(HP_345) | __BIT(HP_350) | \ 73 __BIT(HP_360) | __BIT(HP_370) | __BIT(HP_375) | \ 74 __BIT(HP_380) | __BIT(HP_385)) 75 76 #define INTIO_362_BUILTINS __BIT(HP_362) 77 #define INTIO_382_BUILTINS __BIT(HP_382) 78 79 #define INTIO_4xx_BUILTINS \ 80 (__BIT(HP_400) | __BIT(HP_425) | __BIT(HP_433)) 81 82 #define INTIO_ALL_BUILTINS \ 83 (INTIO_3xx_BUILTINS | INTIO_362_BUILTINS | \ 84 INTIO_382_BUILTINS | INTIO_4xx_BUILTINS) 85 86 static const struct intio_builtins intio_builtins[] = { 87 { "rtc", RTC_BASE, -1, 88 INTIO_ALL_BUILTINS }, 89 90 #ifdef HAVE_INTIO_FRODO 91 { "frodo", FRODO_BASE, 5, 92 INTIO_382_BUILTINS | INTIO_4xx_BUILTINS }, 93 #endif 94 95 { "hil", HIL_BASE, 1, 96 INTIO_ALL_BUILTINS }, 97 98 { "hpib", HPIB_BASE, 3, 99 INTIO_ALL_BUILTINS }, 100 101 { "dma", DMA_BASE, 1, 102 INTIO_ALL_BUILTINS }, 103 104 #ifdef HAVE_INTIO_FB 105 { "fb", FB_BASE, -1, 106 INTIO_3xx_BUILTINS }, 107 #endif 108 }; 109 #define nintio_builtins __arraycount(intio_builtins) 110 111 static int intio_matched = 0; 112 extern void *internalhpib; 113 114 static int 115 intiomatch(device_t parent, cfdata_t cf, void *aux) 116 { 117 118 /* Allow only one instance. */ 119 if (intio_matched) 120 return 0; 121 122 intio_matched = 1; 123 return 1; 124 } 125 126 static void 127 intioattach(device_t parent, device_t self, void *aux) 128 { 129 struct intio_softc *sc = device_private(self); 130 struct intio_attach_args ia; 131 bus_space_tag_t bst = &sc->sc_tag; 132 const uint32_t spumask = 1U << machineid; 133 int i; 134 135 sc->sc_dev = self; 136 aprint_normal("\n"); 137 138 KASSERT(spumask != 0); 139 140 memset(bst, 0, sizeof(struct bus_space_tag)); 141 bst->bustype = HP300_BUS_SPACE_INTIO; 142 143 memset(&ia, 0, sizeof(ia)); 144 145 for (i = 0; i < nintio_builtins; i++) { 146 147 /* 148 * If the device doesn't exist on this specific model, 149 * skip it. 150 */ 151 if ((intio_builtins[i].ib_spumask & spumask) == 0) 152 continue; 153 154 /* 155 * Internal HP-IB doesn't always return a device ID, 156 * so we rely on the sysflags. 157 */ 158 if (intio_builtins[i].ib_offset == HPIB_BASE && !internalhpib) 159 continue; 160 161 strlcpy(ia.ia_modname, intio_builtins[i].ib_modname, 162 sizeof(ia.ia_modname)); 163 ia.ia_bst = bst; 164 ia.ia_iobase = intio_builtins[i].ib_offset; 165 ia.ia_addr = 166 (bus_addr_t)(intiobase + intio_builtins[i].ib_offset); 167 ia.ia_ipl = intio_builtins[i].ib_ipl; 168 config_found(self, &ia, intioprint, CFARGS_NONE); 169 } 170 } 171 172 static int 173 intioprint(void *aux, const char *pnp) 174 { 175 struct intio_attach_args *ia = aux; 176 177 if (pnp != NULL) 178 aprint_normal("%s at %s", ia->ia_modname, pnp); 179 if (ia->ia_iobase != 0 && pnp == NULL) { 180 aprint_normal(" addr 0x%lx", INTIOBASE + ia->ia_iobase); 181 if (ia->ia_ipl != -1) 182 aprint_normal(" ipl %d", ia->ia_ipl); 183 } 184 return UNCONF; 185 } 186
Indexes created Sun Sep 21 15:09:59 GMT 2025