1 /* $NetBSD: sio.c,v 1.3 2003/01/01 01:42:13 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Tohru Nishimura. 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: sio.c,v 1.3 2003/01/01 01:42:13 thorpej Exp $"); 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/device.h> 46 47 #include <machine/cpu.h> 48 #include <machine/autoconf.h> 49 50 #include <luna68k/luna68k/isr.h> 51 #include <luna68k/dev/siovar.h> 52 53 static int sio_match __P((struct device *, struct cfdata *, void *)); 54 static void sio_attach __P((struct device *, struct device *, void *)); 55 static int sio_print __P((void *, const char *)); 56 57 CFATTACH_DECL(sio, sizeof(struct sio_softc), 58 sio_match, sio_attach, NULL, NULL); 59 extern struct cfdriver sio_cd; 60 61 static void nullintr __P((int)); 62 static int xsiointr __P((void *)); 63 64 static int 65 sio_match(parent, cf, aux) 66 struct device *parent; 67 struct cfdata *cf; 68 void *aux; 69 { 70 struct mainbus_attach_args *ma = aux; 71 72 if (strcmp(ma->ma_name, sio_cd.cd_name)) 73 return 0; 74 if (badaddr((caddr_t)ma->ma_addr, 4)) 75 return 0; 76 return 1; 77 } 78 79 static void 80 sio_attach(parent, self, aux) 81 struct device *parent, *self; 82 void *aux; 83 { 84 struct sio_softc *sc = (void *)self; 85 struct mainbus_attach_args *ma = aux; 86 struct sio_attach_args sio_args; 87 int channel; 88 extern int sysconsole; /* console: 0 for ttya, 1 for desktop */ 89 90 printf(": 7201a\n"); 91 92 sc->scp_ctl = (caddr_t)ma->ma_addr; 93 sc->scp_intr[0] = sc->scp_intr[1] = nullintr; 94 for (channel = 0; channel < 2; channel++) { 95 sio_args.channel = channel; 96 sio_args.hwflags = (channel == sysconsole); 97 config_found(self, (void *)&sio_args, sio_print); 98 } 99 100 isrlink_autovec(xsiointr, sc, ma->ma_ilvl, ISRPRI_TTYNOBUF); 101 } 102 103 static int 104 sio_print(aux, name) 105 void *aux; 106 const char *name; 107 { 108 struct sio_attach_args *args = aux; 109 110 if (name != NULL) 111 aprint_normal("%s: ", name); 112 113 if (args->channel != -1) 114 aprint_normal(" channel %d", args->channel); 115 116 return UNCONF; 117 } 118 119 static int 120 xsiointr(arg) 121 void *arg; 122 { 123 struct sio_softc *sc = arg; 124 125 (*sc->scp_intr[0])(0); /* 0: ttya system serial port */ 126 (*sc->scp_intr[1])(1); /* 1: keyboard and mouse */ 127 return 1; 128 } 129 130 static void nullintr(v) int v; { } 131