1 /* $NetBSD: joy_ofisa.c,v 1.7 2002/10/02 16:34:29 thorpej 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 1.7 2002/10/02 16:34:29 thorpej 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 CFATTACH_DECL(joy_ofisa, sizeof(struct joy_softc), 61 joy_ofisa_match, joy_ofisa_attach, NULL, NULL); 62 63 int 64 joy_ofisa_match(parent, match, aux) 65 struct device *parent; 66 struct cfdata *match; 67 void *aux; 68 { 69 struct ofisa_attach_args *aa = aux; 70 static const char *const compatible_strings[] = { 71 "pnpPNP,b02f", /* generic joystick */ 72 NULL, 73 }; 74 int rv = 0; 75 76 if (of_compatible(aa->oba.oba_phandle, compatible_strings) != -1) 77 rv = 1; 78 return (rv); 79 } 80 81 void 82 joy_ofisa_attach(parent, self, aux) 83 struct device *parent, *self; 84 void *aux; 85 { 86 struct joy_softc *sc = (struct joy_softc *)self; 87 struct ofisa_attach_args *aa = aux; 88 struct ofisa_reg_desc reg; 89 char *model = NULL; 90 int n; 91 92 /* 93 * We're living on an OFW. We have to ask the OFW what our 94 * register property looks like. 95 * 96 * We expect: 97 * 98 * 1 i/o register region 99 */ 100 101 n = ofisa_reg_get(aa->oba.oba_phandle, ®, 1); 102 if (n != 1) { 103 printf(": error getting register data\n"); 104 return; 105 } 106 if (reg.type != OFISA_REG_TYPE_IO) { 107 printf(": register type not i/o\n"); 108 return; 109 } 110 if (reg.len != JOY_NPORTS) { 111 printf(": weird register size (%lu, expected %d)\n", 112 (unsigned long)reg.len, JOY_NPORTS); 113 return; 114 } 115 116 sc->sc_iot = aa->iot; 117 118 if (bus_space_map(sc->sc_iot, reg.addr, reg.len, 0, &sc->sc_ioh)) { 119 printf(": unable to map register space\n"); 120 return; 121 } 122 123 n = OF_getproplen(aa->oba.oba_phandle, "model"); 124 if (n > 0) { 125 model = alloca(n); 126 if (OF_getprop(aa->oba.oba_phandle, "model", model, n) != n) 127 model = NULL; /* safe; alloca */ 128 } 129 if (model != NULL) 130 printf(": %s", model); 131 printf("\n"); 132 133 joyattach(sc); 134 } 135