1 /* $OpenBSD: sio.c,v 1.6 2017/06/04 13:48:13 aoyama 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(void *); 58 int xsiointr(void *); 59 60 int 61 sio_match(struct device *parent, void *cf, void *aux) 62 { 63 struct mainbus_attach_args *ma = aux; 64 65 if (strcmp(ma->ma_name, sio_cd.cd_name)) 66 return 0; 67 if (badaddr((vaddr_t)ma->ma_addr, 4)) 68 return 0; 69 return 1; 70 } 71 72 void 73 sio_attach(struct device *parent, struct device *self, void *aux) 74 { 75 struct sio_softc *sc = (void *)self; 76 struct mainbus_attach_args *ma = aux; 77 struct sio_attach_args sio_args; 78 int channel; 79 extern int sysconsole; /* console: 0 for ttya, 1 for desktop */ 80 81 printf(": 7201a\n"); 82 83 sc->sc_ctl = (void *)ma->ma_addr; 84 for (channel = 0; channel < 2; channel++) { 85 sc->sc_intrhand[channel].ih_func = nullintr; 86 sio_args.channel = channel; 87 sio_args.hwflags = (channel == sysconsole); 88 config_found(self, (void *)&sio_args, sio_print); 89 } 90 91 isrlink_autovec(xsiointr, sc, ma->ma_ilvl, ISRPRI_TTYNOBUF, 92 self->dv_xname); 93 } 94 95 int 96 sio_print(void *aux, const char *name) 97 { 98 struct sio_attach_args *args = aux; 99 100 if (name != NULL) 101 printf("%s: ", name); 102 103 if (args->channel != -1) 104 printf(" channel %d", args->channel); 105 106 return UNCONF; 107 } 108 109 int 110 xsiointr(void *arg) 111 { 112 struct sio_softc *sc = arg; 113 114 /* channel 0: ttya system serial port */ 115 (*sc->sc_intrhand[0].ih_func)(sc->sc_intrhand[0].ih_arg); 116 117 /* channel 1: keyboard and mouse */ 118 (*sc->sc_intrhand[1].ih_func)(sc->sc_intrhand[1].ih_arg); 119 120 return 1; 121 } 122 123 void 124 nullintr(void *arg) 125 { 126 } 127