1 /* $OpenBSD: sio.c,v 1.4 2008/06/26 05:42:11 ray Exp $ */ 2 /* $NetBSD: sio.c,v 1.1 2000/01/05 08:48:55 nisimura Exp $ */ 3 4 /*- 5 * Copyright (c) 2000 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Tohru Nishimura. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* from NetBSD/luna68k dev/sio.c */ 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 39 #include <machine/cpu.h> 40 #include <machine/autoconf.h> 41 42 #include <luna88k/luna88k/isr.h> 43 #include <luna88k/dev/siovar.h> 44 45 int sio_match(struct device *, void *, void *); 46 void sio_attach(struct device *, struct device *, void *); 47 int sio_print(void *, const char *); 48 49 const struct cfattach sio_ca = { 50 sizeof(struct sio_softc), sio_match, sio_attach 51 }; 52 53 struct cfdriver sio_cd = { 54 NULL, "sio", DV_DULL, 0 55 }; 56 57 void nullintr(int); 58 int xsiointr(void *); 59 60 int 61 sio_match(parent, cf, aux) 62 struct device *parent; 63 void *cf, *aux; 64 { 65 struct mainbus_attach_args *ma = aux; 66 67 if (strcmp(ma->ma_name, sio_cd.cd_name)) 68 return 0; 69 if (badaddr((vaddr_t)ma->ma_addr, 4)) 70 return 0; 71 return 1; 72 } 73 74 void 75 sio_attach(parent, self, aux) 76 struct device *parent, *self; 77 void *aux; 78 { 79 struct sio_softc *sc = (void *)self; 80 struct mainbus_attach_args *ma = aux; 81 struct sio_attach_args sio_args; 82 int channel; 83 extern int sysconsole; /* console: 0 for ttya, 1 for desktop */ 84 85 printf(": 7201a\n"); 86 87 sc->scp_ctl = (caddr_t)ma->ma_addr; 88 sc->scp_intr[0] = sc->scp_intr[1] = nullintr; 89 for (channel = 0; channel < 2; channel++) { 90 sio_args.channel = channel; 91 sio_args.hwflags = (channel == sysconsole); 92 config_found(self, (void *)&sio_args, sio_print); 93 } 94 95 isrlink_autovec(xsiointr, sc, ma->ma_ilvl, ISRPRI_TTYNOBUF, 96 self->dv_xname); 97 } 98 99 int 100 sio_print(aux, name) 101 void *aux; 102 const char *name; 103 { 104 struct sio_attach_args *args = aux; 105 106 if (name != NULL) 107 printf("%s: ", name); 108 109 if (args->channel != -1) 110 printf(" channel %d", args->channel); 111 112 return UNCONF; 113 } 114 115 int 116 xsiointr(arg) 117 void *arg; 118 { 119 struct sio_softc *sc = arg; 120 121 (*sc->scp_intr[0])(0); /* 0: ttya system serial port */ 122 (*sc->scp_intr[1])(1); /* 1: keyboard and mouse */ 123 return 1; 124 } 125 126 void nullintr(v) 127 int v; 128 { 129 } 130