1 /* $NetBSD: joy_isapnp.c,v 1.12 2008/04/28 20:23:53 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1996 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 * 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: joy_isapnp.c,v 1.12 2008/04/28 20:23:53 martin Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/device.h> 39 40 #include <sys/bus.h> 41 42 #include <dev/isa/isavar.h> 43 #include <dev/isapnp/isapnpreg.h> 44 #include <dev/isapnp/isapnpvar.h> 45 #include <dev/isapnp/isapnpdevs.h> 46 47 #include <dev/ic/joyvar.h> 48 49 static int joy_isapnp_match(device_t, cfdata_t, void *); 50 static void joy_isapnp_attach(device_t, device_t, void *); 51 52 CFATTACH_DECL_NEW(joy_isapnp, sizeof(struct joy_softc), 53 joy_isapnp_match, joy_isapnp_attach, NULL, NULL); 54 55 static int 56 joy_isapnp_match(device_t parent, cfdata_t match, void *aux) 57 { 58 int pri, variant; 59 60 pri = isapnp_devmatch(aux, &isapnp_joy_devinfo, &variant); 61 if (pri && variant > 0) 62 pri = 0; 63 return pri; 64 } 65 66 static void 67 joy_isapnp_attach(device_t parent, device_t self, void *aux) 68 { 69 struct joy_softc *sc = device_private(self); 70 struct isapnp_attach_args *ipa = aux; 71 bus_space_handle_t ioh; 72 73 aprint_normal("\n"); 74 75 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 76 aprint_error_dev(self, "error in region allocation\n"); 77 return; 78 } 79 80 if (ipa->ipa_io[0].length == 8) { 81 if (bus_space_subregion(ipa->ipa_iot, ipa->ipa_io[0].h, 1, 1, 82 &ioh) < 0) { 83 aprint_error_dev(self, "error in region allocation\n"); 84 return; 85 } 86 } else 87 ioh = ipa->ipa_io[0].h; 88 89 sc->sc_iot = ipa->ipa_iot; 90 sc->sc_ioh = ioh; 91 sc->sc_dev = self; 92 93 aprint_normal_dev(self, "%s %s\n", ipa->ipa_devident, 94 ipa->ipa_devclass); 95 96 joyattach(sc); 97 } 98