1 /* $NetBSD: lpt_supio.c,v 1.14 2011/07/19 15:55:27 dyoung Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Ignatios Souvatzis. 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: lpt_supio.c,v 1.14 2011/07/19 15:55:27 dyoung Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/ioctl.h> 38 #include <sys/select.h> 39 #include <sys/tty.h> 40 #include <sys/proc.h> 41 #include <sys/conf.h> 42 #include <sys/file.h> 43 #include <sys/uio.h> 44 #include <sys/kernel.h> 45 #include <sys/syslog.h> 46 #include <sys/types.h> 47 #include <sys/device.h> 48 #include <sys/bus.h> 49 50 #include <machine/intr.h> 51 52 #include <dev/ic/lptreg.h> 53 #include <dev/ic/lptvar.h> 54 55 #include <amiga/dev/supio.h> 56 57 struct lptsupio_softc { 58 struct lpt_softc sc_lpt; 59 struct isr sc_isr; 60 void (*sc_intack)(void *); 61 }; 62 63 int lpt_supio_match(device_t, cfdata_t , void *); 64 void lpt_supio_attach(device_t, device_t, void *); 65 int lpt_supio_intr(void *p); 66 67 CFATTACH_DECL_NEW(lpt_supio, sizeof(struct lptsupio_softc), 68 lpt_supio_match, lpt_supio_attach, NULL, NULL); 69 70 int 71 lpt_supio_match(device_t parent, cfdata_t match, void *aux) 72 { 73 struct supio_attach_args *supa = aux; 74 75 if (strcmp(supa->supio_name,"lpt")) 76 return 0; 77 78 return (1); 79 } 80 81 int 82 lpt_supio_intr(void *p) 83 { 84 struct lptsupio_softc *sc = (void *)p; 85 int rc; 86 87 rc = lptintr(&sc->sc_lpt); 88 if (sc->sc_intack) 89 (*sc->sc_intack)(p); 90 return (rc); 91 } 92 93 void 94 lpt_supio_attach(device_t parent, device_t self, void *aux) 95 { 96 struct lptsupio_softc *sc = device_private(self); 97 struct lpt_softc *lsc = &sc->sc_lpt; 98 int iobase; 99 bus_space_tag_t iot; 100 struct supio_attach_args *supa = aux; 101 102 /* 103 * We're living on a superio chip. 104 */ 105 lsc->sc_dev = self; 106 iobase = supa->supio_iobase; 107 iot = lsc->sc_iot = supa->supio_iot; 108 sc->sc_intack = (void *)supa->supio_arg; 109 110 aprint_normal(" port 0x%04x ipl %d\n", iobase, supa->supio_ipl); 111 if (bus_space_map(iot, iobase, LPT_NPORTS, 0, &lsc->sc_ioh)) { 112 aprint_error_dev(self, "io mapping failed\n"); 113 return; 114 } 115 116 lpt_attach_subr(lsc); 117 118 sc->sc_isr.isr_intr = lpt_supio_intr; 119 sc->sc_isr.isr_arg = sc; 120 sc->sc_isr.isr_ipl = supa->supio_ipl; 121 add_isr(&sc->sc_isr); 122 } 123