1 /* $NetBSD: drsupio.c,v 1.8 2000/03/16 16:37:20 kleink Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ignatios Souvatzis. 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 * DraCo multi-io chip bus space stuff 41 */ 42 43 #include <sys/types.h> 44 45 #include <sys/conf.h> 46 #include <sys/device.h> 47 #include <sys/systm.h> 48 #include <sys/param.h> 49 50 #include <machine/bus.h> 51 #include <machine/conf.h> 52 53 #include <amiga/include/cpu.h> 54 55 #include <amiga/amiga/device.h> 56 #include <amiga/amiga/drcustom.h> 57 58 #include <amiga/dev/supio.h> 59 60 struct drsupio_softc { 61 struct device sc_dev; 62 struct bus_space_tag sc_bst; 63 }; 64 65 int drsupiomatch __P((struct device *, struct cfdata *, void *)); 66 void drsupioattach __P((struct device *, struct device *, void *)); 67 int drsupprint __P((void *auxp, const char *)); 68 void drlptintack __P((void *)); 69 70 struct cfattach drsupio_ca = { 71 sizeof(struct drsupio_softc), drsupiomatch, drsupioattach 72 }; 73 74 int 75 drsupiomatch(parent, cfp, auxp) 76 struct device *parent; 77 struct cfdata *cfp; 78 void *auxp; 79 { 80 static int drsupio_matched = 0; 81 82 /* Exactly one of us lives on the DraCo */ 83 if (!is_draco() || !matchname(auxp, "drsupio") || drsupio_matched) 84 return 0; 85 86 drsupio_matched = 1; 87 return 1; 88 } 89 90 struct drsupio_devs { 91 char *name; 92 int off; 93 int arg; 94 } drsupiodevs[] = { 95 { "com", 0x3f8, 115200 * 16 }, 96 { "com", 0x2f8, 115200 * 16 }, 97 { "lpt", 0x278, (int)drlptintack }, 98 { "fdc", 0x3f0, 0 }, 99 /* WD port? */ 100 { 0 } 101 }; 102 103 void 104 drsupioattach(parent, self, auxp) 105 struct device *parent, *self; 106 void *auxp; 107 { 108 struct drsupio_softc *drsc; 109 struct drsupio_devs *drsd; 110 struct drioct *ioct; 111 struct supio_attach_args supa; 112 113 drsc = (struct drsupio_softc *)self; 114 drsd = drsupiodevs; 115 116 if (parent) 117 printf("\n"); 118 119 drsc->sc_bst.base = DRCCADDR + NBPG * DRSUPIOPG + 1; 120 drsc->sc_bst.absm = &amiga_bus_stride_4; 121 122 supa.supio_iot = &drsc->sc_bst; 123 supa.supio_ipl = 5; 124 125 while (drsd->name) { 126 supa.supio_name = drsd->name; 127 supa.supio_iobase = drsd->off; 128 supa.supio_arg = drsd->arg; 129 config_found(self, &supa, drsupprint); /* XXX */ 130 ++drsd; 131 } 132 133 drlptintack(0); 134 ioct = (struct drioct *)(DRCCADDR + NBPG * DRIOCTLPG); 135 ioct->io_status2 |= DRSTAT2_PARIRQENA; 136 } 137 138 void 139 drlptintack(p) 140 void *p; 141 { 142 struct drioct *ioct; 143 144 (void)p; 145 ioct = (struct drioct *)(DRCCADDR + NBPG * DRIOCTLPG); 146 147 ioct->io_parrst = 0; /* any value works */ 148 } 149 150 int 151 drsupprint(auxp, pnp) 152 void *auxp; 153 const char *pnp; 154 { 155 struct supio_attach_args *supa; 156 supa = auxp; 157 158 if (pnp == NULL) 159 return(QUIET); 160 161 printf("%s at %s port 0x%02x", 162 supa->supio_name, pnp, supa->supio_iobase); 163 164 return(UNCONF); 165 } 166