1 /* $NetBSD: lpt_mainbus.c,v 1.8 2008/03/07 17:15:51 cube 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 * 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> /* RCS ID & Copyright macro defns */ 40 41 __KERNEL_RCSID(0, "$NetBSD: lpt_mainbus.c,v 1.8 2008/03/07 17:15:51 cube Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/ioctl.h> 46 #include <sys/select.h> 47 #include <sys/tty.h> 48 #include <sys/proc.h> 49 #include <sys/user.h> 50 #include <sys/conf.h> 51 #include <sys/file.h> 52 #include <sys/uio.h> 53 #include <sys/kernel.h> 54 #include <sys/syslog.h> 55 #include <sys/types.h> 56 #include <sys/device.h> 57 58 #include <machine/autoconf.h> 59 #include <machine/intr.h> 60 #include <machine/bus.h> 61 62 #include <dev/ic/lptreg.h> 63 #include <dev/ic/lptvar.h> 64 65 struct lpt_mainbus_softc { 66 struct lpt_softc sc_lpt; /* real "lpt" softc */ 67 68 /* mainbus-specific goo. */ 69 void *sc_ih; /* interrupt handler */ 70 }; 71 72 int lpt_mainbus_match(device_t, cfdata_t , void *); 73 void lpt_mainbus_attach(device_t, device_t, void *); 74 75 CFATTACH_DECL_NEW(lpt_mainbus, sizeof(struct lpt_mainbus_softc), 76 lpt_mainbus_match, lpt_mainbus_attach, NULL, NULL); 77 78 int 79 lpt_mainbus_match(device_t parent, cfdata_t match, void *aux) 80 { 81 struct mainbus_attach_args *ma = aux; 82 83 /* Always present. */ 84 if (strcmp(ma->ma_name, match->cf_name) == 0) 85 return (1); 86 87 return (0); 88 } 89 90 void 91 lpt_mainbus_attach(device_t parent, device_t self, void *aux) 92 { 93 struct lpt_mainbus_softc *msc = device_private(self); 94 struct lpt_softc *sc = &msc->sc_lpt; 95 struct mainbus_attach_args *ma = aux; 96 97 sc->sc_dev = self; 98 sc->sc_iot = ma->ma_st; 99 100 if (bus_space_map(sc->sc_iot, ma->ma_addr, LPT_NPORTS, 0, 101 &sc->sc_ioh) != 0) { 102 aprint_error(": can't map i/o space\n"); 103 return; 104 } 105 106 aprint_normal("\n"); 107 aprint_naive("\n"); 108 109 lpt_attach_subr(sc); 110 111 sc->sc_ih = (*algor_intr_establish)(ma->ma_irq, lptintr, sc); 112 if (msc->sc_ih == NULL) { 113 aprint_normal_dev(self, "unable to establish interrupt\n"); 114 return; 115 } 116 } 117