1 /* $NetBSD: com_supio.c,v 1.31 2018/12/08 17:46:09 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 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 /*- 33 * Copyright (c) 1991 The Regents of the University of California. 34 * All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 * 60 * @(#)com.c 7.5 (Berkeley) 5/16/91 61 */ 62 63 #include <sys/cdefs.h> 64 __KERNEL_RCSID(0, "$NetBSD: com_supio.c,v 1.31 2018/12/08 17:46:09 thorpej Exp $"); 65 66 #include <sys/param.h> 67 #include <sys/systm.h> 68 #include <sys/ioctl.h> 69 #include <sys/select.h> 70 #include <sys/tty.h> 71 #include <sys/proc.h> 72 #include <sys/conf.h> 73 #include <sys/file.h> 74 #include <sys/uio.h> 75 #include <sys/kernel.h> 76 #include <sys/syslog.h> 77 #include <sys/types.h> 78 #include <sys/device.h> 79 #include <sys/bus.h> 80 81 #include <machine/intr.h> 82 83 /*#include <dev/isa/isavar.h>*/ 84 #include <dev/ic/comreg.h> 85 #include <dev/ic/comvar.h> 86 87 #include <amiga/dev/supio.h> 88 89 struct comsupio_softc { 90 struct com_softc sc_com; 91 struct isr sc_isr; 92 }; 93 94 int com_supio_match(device_t, cfdata_t , void *); 95 void com_supio_attach(device_t, device_t, void *); 96 97 CFATTACH_DECL_NEW(com_supio, sizeof(struct comsupio_softc), 98 com_supio_match, com_supio_attach, NULL, NULL); 99 100 int 101 com_supio_match(device_t parent, cfdata_t match, void *aux) 102 { 103 int rv = 1; 104 struct supio_attach_args *supa = aux; 105 106 if (strcmp(supa->supio_name,"com")) 107 return 0; 108 109 return (rv); 110 } 111 112 void 113 com_supio_attach(device_t parent, device_t self, void *aux) 114 { 115 struct comsupio_softc *sc = device_private(self); 116 struct com_softc *csc = &sc->sc_com; 117 int iobase; 118 bus_space_tag_t iot; 119 bus_space_handle_t ioh; 120 struct supio_attach_args *supa = aux; 121 #ifdef __m68k__ 122 u_int16_t needpsl; 123 #endif 124 125 csc->sc_dev = self; 126 127 /* 128 * We're living on a superio chip. 129 */ 130 iobase = supa->supio_iobase; 131 iot = supa->supio_iot; 132 aprint_normal(" port 0x%04x ipl %d", iobase, supa->supio_ipl); 133 134 if (bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh)) 135 panic("comattach: io mapping failed"); 136 com_init_regs(&csc->sc_regs, iot, ioh, iobase); 137 138 csc->sc_frequency = supa->supio_arg; 139 csc->sc_frequency /= 4; /* XXX IOBlix firmware sets MCR_PRESCALE? */ 140 141 com_attach_subr(csc); 142 143 #ifdef __m68k__ 144 /* XXX this should be really in the interrupt stuff */ 145 needpsl = PSL_S | (supa->supio_ipl << 8); 146 147 if (ipl2spl_table[IPL_SERIAL] < needpsl) { 148 aprint_normal_dev(self, "raising ipl2spl_table[IPL_SERIAL] " 149 "from 0x%x to 0x%x\n", ipl2spl_table[IPL_SERIAL], needpsl); 150 ipl2spl_table[IPL_SERIAL] = needpsl; 151 } 152 #endif 153 sc->sc_isr.isr_intr = comintr; 154 sc->sc_isr.isr_arg = csc; 155 sc->sc_isr.isr_ipl = supa->supio_ipl; 156 add_isr(&sc->sc_isr); 157 158 if (!pmf_device_register1(self, com_suspend, com_resume, com_cleanup)) { 159 aprint_error_dev(self, "could not establish shutdown hook"); 160 } 161 } 162
Indexes created Sat Sep 20 22:09:52 GMT 2025