1 /* $NetBSD: sio.c,v 1.8 2009/03/14 21:04:11 dsl 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 * 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: sio.c,v 1.8 2009/03/14 21:04:11 dsl Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/device.h> 39 40 #include <machine/cpu.h> 41 #include <machine/autoconf.h> 42 43 #include <luna68k/luna68k/isr.h> 44 #include <luna68k/dev/siovar.h> 45 46 static int sio_match(struct device *, struct cfdata *, void *); 47 static void sio_attach(struct device *, struct device *, void *); 48 static int sio_print(void *, const char *); 49 50 CFATTACH_DECL(sio, sizeof(struct sio_softc), 51 sio_match, sio_attach, NULL, NULL); 52 extern struct cfdriver sio_cd; 53 54 static void nullintr(int); 55 static int xsiointr(void *); 56 57 static int 58 sio_match(struct device *parent, struct cfdata *cf, void *aux) 59 { 60 struct mainbus_attach_args *ma = aux; 61 62 if (strcmp(ma->ma_name, sio_cd.cd_name)) 63 return 0; 64 if (badaddr((void *)ma->ma_addr, 4)) 65 return 0; 66 return 1; 67 } 68 69 static void 70 sio_attach(struct device *parent, struct device *self, void *aux) 71 { 72 struct sio_softc *sc = (void *)self; 73 struct mainbus_attach_args *ma = aux; 74 struct sio_attach_args sio_args; 75 int channel; 76 extern int sysconsole; /* console: 0 for ttya, 1 for desktop */ 77 78 printf(": 7201a\n"); 79 80 sc->scp_ctl = (void *)ma->ma_addr; 81 sc->scp_intr[0] = sc->scp_intr[1] = nullintr; 82 for (channel = 0; channel < 2; channel++) { 83 sio_args.channel = channel; 84 sio_args.hwflags = (channel == sysconsole); 85 config_found(self, (void *)&sio_args, sio_print); 86 } 87 88 isrlink_autovec(xsiointr, sc, ma->ma_ilvl, ISRPRI_TTYNOBUF); 89 } 90 91 static int 92 sio_print(void *aux, const char *name) 93 { 94 struct sio_attach_args *args = aux; 95 96 if (name != NULL) 97 aprint_normal("%s: ", name); 98 99 if (args->channel != -1) 100 aprint_normal(" channel %d", args->channel); 101 102 return UNCONF; 103 } 104 105 static int 106 xsiointr(void *arg) 107 { 108 struct sio_softc *sc = arg; 109 110 (*sc->scp_intr[0])(0); /* 0: ttya system serial port */ 111 (*sc->scp_intr[1])(1); /* 1: keyboard and mouse */ 112 return 1; 113 } 114 115 static void nullintr(v) int v; { } 116