1 /* $NetBSD: com_jazzio.c,v 1.13 2018/12/08 17:46:09 thorpej 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 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /*- 35 * Copyright (c) 1991 The Regents of the University of California. 36 * All rights reserved. 37 * 38 * Redistribution and use in source and binary forms, with or without 39 * modification, are permitted provided that the following conditions 40 * are met: 41 * 1. Redistributions of source code must retain the above copyright 42 * notice, this list of conditions and the following disclaimer. 43 * 2. Redistributions in binary form must reproduce the above copyright 44 * notice, this list of conditions and the following disclaimer in the 45 * documentation and/or other materials provided with the distribution. 46 * 3. Neither the name of the University nor the names of its contributors 47 * may be used to endorse or promote products derived from this software 48 * without specific prior written permission. 49 * 50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 53 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 60 * SUCH DAMAGE. 61 * 62 * @(#)com.c 7.5 (Berkeley) 5/16/91 63 */ 64 65 #include <sys/cdefs.h> 66 __KERNEL_RCSID(0, "$NetBSD: com_jazzio.c,v 1.13 2018/12/08 17:46:09 thorpej Exp $"); 67 68 #include <sys/param.h> 69 #include <sys/systm.h> 70 #include <sys/device.h> 71 #include <sys/tty.h> 72 73 #include <machine/autoconf.h> 74 #include <sys/bus.h> 75 #include <machine/intr.h> 76 77 #include <arc/jazz/jazziovar.h> 78 79 #include <dev/isa/isavar.h> /* XXX for isa_chipset_tag_t in com_softc */ 80 81 #include <dev/ic/comreg.h> 82 #include <dev/ic/comvar.h> 83 #include <dev/ic/ns16550reg.h> 84 85 extern int com_freq; 86 87 int com_jazzio_probe(device_t, cfdata_t , void *); 88 void com_jazzio_attach(device_t, device_t, void *); 89 90 CFATTACH_DECL_NEW(com_jazzio, sizeof(struct com_softc), 91 com_jazzio_probe, com_jazzio_attach, NULL, NULL); 92 93 int 94 com_jazzio_probe(device_t parent, cfdata_t match, void *aux) 95 { 96 struct jazzio_attach_args *ja = aux; 97 bus_space_tag_t iot; 98 bus_space_handle_t ioh; 99 int iobase; 100 int rv = 1; 101 102 if (strcmp(ja->ja_name, "COM1") != 0 && 103 strcmp(ja->ja_name, "COM2") != 0) 104 return 0; 105 106 iot = ja->ja_bust; 107 iobase = ja->ja_addr; 108 109 /* if it's in use as console, it's there. */ 110 if (!com_is_console(iot, iobase, 0)) { 111 if (bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh)) { 112 return 0; 113 } 114 rv = comprobe1(iot, ioh); 115 bus_space_unmap(iot, ioh, COM_NPORTS); 116 } 117 return rv; 118 } 119 120 void 121 com_jazzio_attach(device_t parent, device_t self, void *aux) 122 { 123 struct jazzio_attach_args *ja = aux; 124 struct com_softc *sc = device_private(self); 125 int iobase; 126 bus_space_tag_t iot; 127 bus_space_handle_t ioh; 128 129 sc->sc_dev = self; 130 iobase = ja->ja_addr; 131 iot = ja->ja_bust; 132 133 if (!com_is_console(iot, iobase, &ioh) && 134 bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh)) { 135 aprint_error(": can't map i/o space\n"); 136 return; 137 } 138 com_init_regs(&sc->sc_regs, iot, ioh, iobase); 139 sc->sc_frequency = com_freq; 140 SET(sc->sc_hwflags, COM_HW_TXFIFO_DISABLE); /* XXX - NEC M403 */ 141 jazzio_intr_establish(ja->ja_intr, comintr, sc); 142 143 com_attach_subr(sc); 144 } 145
Indexes created Mon Sep 22 13:09:51 GMT 2025