1 /* $NetBSD: drsupio.c,v 1.19 2010/12/20 00:25:25 matt 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 * 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 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: drsupio.c,v 1.19 2010/12/20 00:25:25 matt Exp $"); 34 35 /* 36 * DraCo multi-io chip bus space stuff 37 */ 38 39 #include <sys/types.h> 40 41 #include <sys/conf.h> 42 #include <sys/device.h> 43 #include <sys/systm.h> 44 #include <sys/param.h> 45 46 #include <machine/bus.h> 47 48 #include <amiga/include/cpu.h> 49 50 #include <amiga/amiga/device.h> 51 #include <amiga/amiga/drcustom.h> 52 53 #include <amiga/dev/supio.h> 54 55 struct drsupio_softc { 56 struct device sc_dev; 57 struct bus_space_tag sc_bst; 58 }; 59 60 int drsupiomatch(struct device *, struct cfdata *, void *); 61 void drsupioattach(struct device *, struct device *, void *); 62 int drsupprint(void *auxp, const char *); 63 void drlptintack(void *); 64 65 CFATTACH_DECL(drsupio, sizeof(struct drsupio_softc), 66 drsupiomatch, drsupioattach, NULL, NULL); 67 68 int 69 drsupiomatch(struct device *parent, struct cfdata *cfp, void *auxp) 70 { 71 static int drsupio_matched = 0; 72 73 /* Exactly one of us lives on the DraCo */ 74 if (!is_draco() || !matchname(auxp, "drsupio") || drsupio_matched) 75 return 0; 76 77 drsupio_matched = 1; 78 return 1; 79 } 80 81 struct drsupio_devs { 82 const char *name; 83 int off; 84 int arg; 85 } drsupiodevs[] = { 86 { "com", 0x3f8, 115200 * 16 }, 87 { "com", 0x2f8, 115200 * 16 }, 88 { "lpt", 0x278, (int)drlptintack }, 89 { "fdc", 0x3f0, 0 }, 90 /* WD port? */ 91 { 0 } 92 }; 93 94 void 95 drsupioattach(struct device *parent, struct device *self, void *auxp) 96 { 97 struct drsupio_softc *drsc; 98 struct drsupio_devs *drsd; 99 struct drioct *ioct; 100 struct supio_attach_args supa; 101 102 drsc = (struct drsupio_softc *)self; 103 drsd = drsupiodevs; 104 105 if (parent) 106 printf("\n"); 107 108 drsc->sc_bst.base = DRCCADDR + PAGE_SIZE * DRSUPIOPG + 1; 109 drsc->sc_bst.absm = &amiga_bus_stride_4; 110 111 supa.supio_iot = &drsc->sc_bst; 112 supa.supio_ipl = 5; 113 114 while (drsd->name) { 115 supa.supio_name = drsd->name; 116 supa.supio_iobase = drsd->off; 117 supa.supio_arg = drsd->arg; 118 config_found(self, &supa, drsupprint); /* XXX */ 119 ++drsd; 120 } 121 122 drlptintack(0); 123 ioct = (struct drioct *)(DRCCADDR + PAGE_SIZE * DRIOCTLPG); 124 ioct->io_status2 |= DRSTAT2_PARIRQENA; 125 } 126 127 void 128 drlptintack(void *p) 129 { 130 struct drioct *ioct; 131 132 (void)p; 133 ioct = (struct drioct *)(DRCCADDR + PAGE_SIZE * DRIOCTLPG); 134 135 ioct->io_parrst = 0; /* any value works */ 136 } 137 138 int 139 drsupprint(void *auxp, const char *pnp) 140 { 141 struct supio_attach_args *supa; 142 supa = auxp; 143 144 if (pnp == NULL) 145 return(QUIET); 146 147 aprint_normal("%s at %s port 0x%02x", 148 supa->supio_name, pnp, supa->supio_iobase); 149 150 return(UNCONF); 151 } 152