1 /* $NetBSD: com_jazzio.c,v 1.9 2006/07/13 22:56:00 gdamore Exp $ */ 2 /* $OpenBSD: com_lbus.c,v 1.7 1998/03/16 09:38:41 pefo Exp $ */ 3 /* NetBSD: com_isa.c,v 1.12 1998/08/15 17:47:17 mycroft Exp */ 4 5 /*- 6 * Copyright (c) 1998 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to The NetBSD Foundation 10 * by Charles M. Hannum. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 /*- 42 * Copyright (c) 1991 The Regents of the University of California. 43 * All rights reserved. 44 * 45 * Redistribution and use in source and binary forms, with or without 46 * modification, are permitted provided that the following conditions 47 * are met: 48 * 1. Redistributions of source code must retain the above copyright 49 * notice, this list of conditions and the following disclaimer. 50 * 2. Redistributions in binary form must reproduce the above copyright 51 * notice, this list of conditions and the following disclaimer in the 52 * documentation and/or other materials provided with the distribution. 53 * 3. Neither the name of the University nor the names of its contributors 54 * may be used to endorse or promote products derived from this software 55 * without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 58 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 59 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 60 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 61 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 62 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 63 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 64 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 65 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 66 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 67 * SUCH DAMAGE. 68 * 69 * @(#)com.c 7.5 (Berkeley) 5/16/91 70 */ 71 72 #include <sys/cdefs.h> 73 __KERNEL_RCSID(0, "$NetBSD: com_jazzio.c,v 1.9 2006/07/13 22:56:00 gdamore Exp $"); 74 75 #include <sys/param.h> 76 #include <sys/systm.h> 77 #include <sys/device.h> 78 #include <sys/tty.h> 79 80 #include <machine/autoconf.h> 81 #include <machine/bus.h> 82 #include <machine/intr.h> 83 84 #include <arc/jazz/jazziovar.h> 85 86 #include <dev/isa/isavar.h> /* XXX for isa_chipset_tag_t in com_softc */ 87 88 #include <dev/ic/comreg.h> 89 #include <dev/ic/comvar.h> 90 #include <dev/ic/ns16550reg.h> 91 92 extern int com_freq; 93 94 int com_jazzio_probe(struct device *, struct cfdata *, void *); 95 void com_jazzio_attach(struct device *, struct device *, void *); 96 97 CFATTACH_DECL(com_jazzio, sizeof(struct com_softc), 98 com_jazzio_probe, com_jazzio_attach, NULL, NULL); 99 100 int 101 com_jazzio_probe(struct device *parent, struct cfdata *match, void *aux) 102 { 103 struct jazzio_attach_args *ja = aux; 104 bus_space_tag_t iot; 105 bus_space_handle_t ioh; 106 int iobase; 107 int rv = 1; 108 109 if (strcmp(ja->ja_name, "COM1") != 0 && 110 strcmp(ja->ja_name, "COM2") != 0) 111 return 0; 112 113 iot = ja->ja_bust; 114 iobase = ja->ja_addr; 115 116 /* if it's in use as console, it's there. */ 117 if (!com_is_console(iot, iobase, 0)) { 118 if (bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh)) { 119 return 0; 120 } 121 rv = comprobe1(iot, ioh); 122 bus_space_unmap(iot, ioh, COM_NPORTS); 123 } 124 return rv; 125 } 126 127 void 128 com_jazzio_attach(struct device *parent, struct device *self, void *aux) 129 { 130 struct jazzio_attach_args *ja = aux; 131 struct com_softc *sc = (void *)self; 132 int iobase; 133 bus_space_tag_t iot; 134 bus_space_handle_t ioh; 135 136 iobase = ja->ja_addr; 137 iot = ja->ja_bust; 138 139 if (!com_is_console(iot, iobase, &ioh) && 140 bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh)) { 141 printf(": can't map i/o space\n"); 142 return; 143 } 144 COM_INIT_REGS(sc->sc_regs, iot, ioh, iobase); 145 sc->sc_frequency = com_freq; 146 SET(sc->sc_hwflags, COM_HW_TXFIFO_DISABLE); /* XXX - NEC M403 */ 147 jazzio_intr_establish(ja->ja_intr, comintr, sc); 148 149 com_attach_subr(sc); 150 } 151