1 /* $NetBSD: joy_ofisa.c,v 1.3 2002/02/03 23:17:58 pooka Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1998 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 * 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: joy_ofisa.c,v 1.3 2002/02/03 23:17:58 pooka Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/kernel.h> 45 #include <sys/device.h> 46 47 #include <machine/bus.h> 48 49 #include <dev/ofw/openfirm.h> 50 #include <dev/isa/isavar.h> 51 #include <dev/ofisa/ofisavar.h> 52 53 #include <dev/ic/joyvar.h> 54 55 #define JOY_NPORTS 1 /* XXX should be in a header file */ 56 57 int joy_ofisa_match __P((struct device *, struct cfdata *, void *)); 58 void joy_ofisa_attach __P((struct device *, struct device *, void *)); 59 60 struct cfattach joy_ofisa_ca = { 61 sizeof(struct joy_softc), joy_ofisa_match, joy_ofisa_attach 62 }; 63 64 int 65 joy_ofisa_match(parent, match, aux) 66 struct device *parent; 67 struct cfdata *match; 68 void *aux; 69 { 70 struct ofisa_attach_args *aa = aux; 71 const char *compatible_strings[] = { 72 "pnpPNP,b02f", /* generic joystick */ 73 NULL, 74 }; 75 int rv = 0; 76 77 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) 78 rv = 1; 79 return (rv); 80 } 81 82 void 83 joy_ofisa_attach(parent, self, aux) 84 struct device *parent, *self; 85 void *aux; 86 { 87 struct joy_softc *sc = (struct joy_softc *)self; 88 struct ofisa_attach_args *aa = aux; 89 struct ofisa_reg_desc reg; 90 char *model = NULL; 91 int n; 92 93 /* 94 * We're living on an OFW. We have to ask the OFW what our 95 * register property looks like. 96 * 97 * We expect: 98 * 99 * 1 i/o register region 100 */ 101 102 n = ofisa_reg_get(aa->oba.oba_phandle, ®, 1); 103 if (n != 1) { 104 printf(": error getting register data\n"); 105 return; 106 } 107 if (reg.type != OFISA_REG_TYPE_IO) { 108 printf(": register type not i/o\n"); 109 return; 110 } 111 if (reg.len != JOY_NPORTS) { 112 printf(": weird register size (%lu, expected %d)\n", 113 (unsigned long)reg.len, JOY_NPORTS); 114 return; 115 } 116 117 sc->sc_iot = aa->iot; 118 119 if (bus_space_map(sc->sc_iot, reg.addr, reg.len, 0, &sc->sc_ioh)) { 120 printf(": unable to map register space\n"); 121 return; 122 } 123 124 n = OF_getproplen(aa->oba.oba_phandle, "model"); 125 if (n > 0) { 126 model = alloca(n); 127 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) != n) 128 model = NULL; /* safe; alloca */ 129 } 130 if (model != NULL) 131 printf(": %s", model); 132 printf("\n"); 133 134 joyattach(sc); 135 } 136