1 /* $NetBSD: drsupio.c,v 1.13 2002/10/02 04:55:49 thorpej 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 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: drsupio.c,v 1.13 2002/10/02 04:55:49 thorpej Exp $"); 41 42 /* 43 * DraCo multi-io chip bus space stuff 44 */ 45 46 #include <sys/types.h> 47 48 #include <sys/conf.h> 49 #include <sys/device.h> 50 #include <sys/systm.h> 51 #include <sys/param.h> 52 53 #include <machine/bus.h> 54 55 #include <amiga/include/cpu.h> 56 57 #include <amiga/amiga/device.h> 58 #include <amiga/amiga/drcustom.h> 59 60 #include <amiga/dev/supio.h> 61 62 struct drsupio_softc { 63 struct device sc_dev; 64 struct bus_space_tag sc_bst; 65 }; 66 67 int drsupiomatch(struct device *, struct cfdata *, void *); 68 void drsupioattach(struct device *, struct device *, void *); 69 int drsupprint(void *auxp, const char *); 70 void drlptintack(void *); 71 72 CFATTACH_DECL(drsupio, sizeof(struct drsupio_softc), 73 drsupiomatch, drsupioattach, NULL, NULL); 74 75 int 76 drsupiomatch(struct device *parent, struct cfdata *cfp, void *auxp) 77 { 78 static int drsupio_matched = 0; 79 80 /* Exactly one of us lives on the DraCo */ 81 if (!is_draco() || !matchname(auxp, "drsupio") || drsupio_matched) 82 return 0; 83 84 drsupio_matched = 1; 85 return 1; 86 } 87 88 struct drsupio_devs { 89 char *name; 90 int off; 91 int arg; 92 } drsupiodevs[] = { 93 { "com", 0x3f8, 115200 * 16 }, 94 { "com", 0x2f8, 115200 * 16 }, 95 { "lpt", 0x278, (int)drlptintack }, 96 { "fdc", 0x3f0, 0 }, 97 /* WD port? */ 98 { 0 } 99 }; 100 101 void 102 drsupioattach(struct device *parent, struct device *self, void *auxp) 103 { 104 struct drsupio_softc *drsc; 105 struct drsupio_devs *drsd; 106 struct drioct *ioct; 107 struct supio_attach_args supa; 108 109 drsc = (struct drsupio_softc *)self; 110 drsd = drsupiodevs; 111 112 if (parent) 113 printf("\n"); 114 115 drsc->sc_bst.base = DRCCADDR + NBPG * DRSUPIOPG + 1; 116 drsc->sc_bst.absm = &amiga_bus_stride_4; 117 118 supa.supio_iot = &drsc->sc_bst; 119 supa.supio_ipl = 5; 120 121 while (drsd->name) { 122 supa.supio_name = drsd->name; 123 supa.supio_iobase = drsd->off; 124 supa.supio_arg = drsd->arg; 125 config_found(self, &supa, drsupprint); /* XXX */ 126 ++drsd; 127 } 128 129 drlptintack(0); 130 ioct = (struct drioct *)(DRCCADDR + NBPG * DRIOCTLPG); 131 ioct->io_status2 |= DRSTAT2_PARIRQENA; 132 } 133 134 void 135 drlptintack(void *p) 136 { 137 struct drioct *ioct; 138 139 (void)p; 140 ioct = (struct drioct *)(DRCCADDR + NBPG * DRIOCTLPG); 141 142 ioct->io_parrst = 0; /* any value works */ 143 } 144 145 int 146 drsupprint(void *auxp, const char *pnp) 147 { 148 struct supio_attach_args *supa; 149 supa = auxp; 150 151 if (pnp == NULL) 152 return(QUIET); 153 154 printf("%s at %s port 0x%02x", 155 supa->supio_name, pnp, supa->supio_iobase); 156 157 return(UNCONF); 158 } 159