1 /* $NetBSD: lpt_mainbus.c,v 1.12 2011/07/09 16:03:01 matt Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 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> /* RCS ID & Copyright macro defns */ 33 34 __KERNEL_RCSID(0, "$NetBSD: lpt_mainbus.c,v 1.12 2011/07/09 16:03:01 matt Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/bus.h> 38 #include <sys/conf.h> 39 #include <sys/device.h> 40 #include <sys/intr.h> 41 #include <sys/ioctl.h> 42 #include <sys/systm.h> 43 44 #include <algor/autoconf.h> 45 46 #include <dev/ic/lptreg.h> 47 #include <dev/ic/lptvar.h> 48 49 struct lpt_mainbus_softc { 50 struct lpt_softc sc_lpt; /* real "lpt" softc */ 51 52 /* mainbus-specific goo. */ 53 void *sc_ih; /* interrupt handler */ 54 }; 55 56 int lpt_mainbus_match(device_t, cfdata_t , void *); 57 void lpt_mainbus_attach(device_t, device_t, void *); 58 59 CFATTACH_DECL_NEW(lpt_mainbus, sizeof(struct lpt_mainbus_softc), 60 lpt_mainbus_match, lpt_mainbus_attach, NULL, NULL); 61 62 int 63 lpt_mainbus_match(device_t parent, cfdata_t match, void *aux) 64 { 65 struct mainbus_attach_args *ma = aux; 66 67 /* Always present. */ 68 if (strcmp(ma->ma_name, match->cf_name) == 0) 69 return (1); 70 71 return (0); 72 } 73 74 void 75 lpt_mainbus_attach(device_t parent, device_t self, void *aux) 76 { 77 struct lpt_mainbus_softc *msc = device_private(self); 78 struct lpt_softc *sc = &msc->sc_lpt; 79 struct mainbus_attach_args *ma = aux; 80 81 sc->sc_dev = self; 82 sc->sc_iot = ma->ma_st; 83 84 if (bus_space_map(sc->sc_iot, ma->ma_addr, LPT_NPORTS, 0, 85 &sc->sc_ioh) != 0) { 86 aprint_error(": can't map i/o space\n"); 87 return; 88 } 89 90 aprint_normal("\n"); 91 aprint_naive("\n"); 92 93 lpt_attach_subr(sc); 94 95 sc->sc_ih = (*algor_intr_establish)(ma->ma_irq, lptintr, sc); 96 if (msc->sc_ih == NULL) { 97 aprint_normal_dev(self, "unable to establish interrupt\n"); 98 return; 99 } 100 } 101