1 /* $NetBSD: drsupio.c,v 1.18 2008/04/28 20:23:12 martin 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 1.18 2008/04/28 20:23:12 martin 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 <uvm/uvm_extern.h> 47 48 #include <machine/bus.h> 49 50 #include <amiga/include/cpu.h> 51 52 #include <amiga/amiga/device.h> 53 #include <amiga/amiga/drcustom.h> 54 55 #include <amiga/dev/supio.h> 56 57 struct drsupio_softc { 58 struct device sc_dev; 59 struct bus_space_tag sc_bst; 60 }; 61 62 int drsupiomatch(struct device *, struct cfdata *, void *); 63 void drsupioattach(struct device *, struct device *, void *); 64 int drsupprint(void *auxp, const char *); 65 void drlptintack(void *); 66 67 CFATTACH_DECL(drsupio, sizeof(struct drsupio_softc), 68 drsupiomatch, drsupioattach, NULL, NULL); 69 70 int 71 drsupiomatch(struct device *parent, struct cfdata *cfp, void *auxp) 72 { 73 static int drsupio_matched = 0; 74 75 /* Exactly one of us lives on the DraCo */ 76 if (!is_draco() || !matchname(auxp, "drsupio") || drsupio_matched) 77 return 0; 78 79 drsupio_matched = 1; 80 return 1; 81 } 82 83 struct drsupio_devs { 84 const char *name; 85 int off; 86 int arg; 87 } drsupiodevs[] = { 88 { "com", 0x3f8, 115200 * 16 }, 89 { "com", 0x2f8, 115200 * 16 }, 90 { "lpt", 0x278, (int)drlptintack }, 91 { "fdc", 0x3f0, 0 }, 92 /* WD port? */ 93 { 0 } 94 }; 95 96 void 97 drsupioattach(struct device *parent, struct device *self, void *auxp) 98 { 99 struct drsupio_softc *drsc; 100 struct drsupio_devs *drsd; 101 struct drioct *ioct; 102 struct supio_attach_args supa; 103 104 drsc = (struct drsupio_softc *)self; 105 drsd = drsupiodevs; 106 107 if (parent) 108 printf("\n"); 109 110 drsc->sc_bst.base = DRCCADDR + PAGE_SIZE * DRSUPIOPG + 1; 111 drsc->sc_bst.absm = &amiga_bus_stride_4; 112 113 supa.supio_iot = &drsc->sc_bst; 114 supa.supio_ipl = 5; 115 116 while (drsd->name) { 117 supa.supio_name = drsd->name; 118 supa.supio_iobase = drsd->off; 119 supa.supio_arg = drsd->arg; 120 config_found(self, &supa, drsupprint); /* XXX */ 121 ++drsd; 122 } 123 124 drlptintack(0); 125 ioct = (struct drioct *)(DRCCADDR + PAGE_SIZE * DRIOCTLPG); 126 ioct->io_status2 |= DRSTAT2_PARIRQENA; 127 } 128 129 void 130 drlptintack(void *p) 131 { 132 struct drioct *ioct; 133 134 (void)p; 135 ioct = (struct drioct *)(DRCCADDR + PAGE_SIZE * DRIOCTLPG); 136 137 ioct->io_parrst = 0; /* any value works */ 138 } 139 140 int 141 drsupprint(void *auxp, const char *pnp) 142 { 143 struct supio_attach_args *supa; 144 supa = auxp; 145 146 if (pnp == NULL) 147 return(QUIET); 148 149 aprint_normal("%s at %s port 0x%02x", 150 supa->supio_name, pnp, supa->supio_iobase); 151 152 return(UNCONF); 153 } 154