com_supio.c revision 1.3.2.4
1 1.3.2.4 thorpej /* $NetBSD: com_supio.c,v 1.3.2.4 1997/10/16 01:07:48 thorpej Exp $ */ 2 1.3.2.2 thorpej 3 1.3.2.2 thorpej /*- 4 1.3.2.2 thorpej * Copyright (c) 1993, 1994, 1995, 1996 5 1.3.2.2 thorpej * Charles M. Hannum. All rights reserved. 6 1.3.2.2 thorpej * Copyright (c) 1991 The Regents of the University of California. 7 1.3.2.2 thorpej * All rights reserved. 8 1.3.2.2 thorpej * 9 1.3.2.2 thorpej * Redistribution and use in source and binary forms, with or without 10 1.3.2.2 thorpej * modification, are permitted provided that the following conditions 11 1.3.2.2 thorpej * are met: 12 1.3.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 13 1.3.2.2 thorpej * notice, this list of conditions and the following disclaimer. 14 1.3.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 15 1.3.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 16 1.3.2.2 thorpej * documentation and/or other materials provided with the distribution. 17 1.3.2.2 thorpej * 3. All advertising materials mentioning features or use of this software 18 1.3.2.2 thorpej * must display the following acknowledgement: 19 1.3.2.2 thorpej * This product includes software developed by the University of 20 1.3.2.2 thorpej * California, Berkeley and its contributors. 21 1.3.2.2 thorpej * 4. Neither the name of the University nor the names of its contributors 22 1.3.2.2 thorpej * may be used to endorse or promote products derived from this software 23 1.3.2.2 thorpej * without specific prior written permission. 24 1.3.2.2 thorpej * 25 1.3.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 1.3.2.2 thorpej * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 1.3.2.2 thorpej * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 1.3.2.2 thorpej * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 1.3.2.2 thorpej * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 1.3.2.2 thorpej * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 1.3.2.2 thorpej * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 1.3.2.2 thorpej * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 1.3.2.2 thorpej * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 1.3.2.2 thorpej * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 1.3.2.2 thorpej * SUCH DAMAGE. 36 1.3.2.2 thorpej * 37 1.3.2.2 thorpej * @(#)com.c 7.5 (Berkeley) 5/16/91 38 1.3.2.2 thorpej */ 39 1.3.2.2 thorpej 40 1.3.2.2 thorpej #include <sys/param.h> 41 1.3.2.2 thorpej #include <sys/systm.h> 42 1.3.2.2 thorpej #include <sys/ioctl.h> 43 1.3.2.2 thorpej #include <sys/select.h> 44 1.3.2.2 thorpej #include <sys/tty.h> 45 1.3.2.2 thorpej #include <sys/proc.h> 46 1.3.2.2 thorpej #include <sys/user.h> 47 1.3.2.2 thorpej #include <sys/conf.h> 48 1.3.2.2 thorpej #include <sys/file.h> 49 1.3.2.2 thorpej #include <sys/uio.h> 50 1.3.2.2 thorpej #include <sys/kernel.h> 51 1.3.2.2 thorpej #include <sys/syslog.h> 52 1.3.2.2 thorpej #include <sys/types.h> 53 1.3.2.2 thorpej #include <sys/device.h> 54 1.3.2.2 thorpej 55 1.3.2.2 thorpej #include <machine/intr.h> 56 1.3.2.2 thorpej #include <machine/bus.h> 57 1.3.2.2 thorpej 58 1.3.2.2 thorpej /*#include <dev/isa/isavar.h>*/ 59 1.3.2.4 thorpej #include <dev/ic/comreg.h> 60 1.3.2.4 thorpej #include <dev/ic/comvar.h> 61 1.3.2.2 thorpej 62 1.3.2.2 thorpej #include <amiga/dev/supio.h> 63 1.3.2.2 thorpej 64 1.3.2.2 thorpej struct comsupio_softc { 65 1.3.2.2 thorpej struct com_softc sc_com; 66 1.3.2.2 thorpej struct isr sc_isr; 67 1.3.2.2 thorpej }; 68 1.3.2.2 thorpej 69 1.3.2.2 thorpej int com_supio_match __P((struct device *, struct cfdata *, void *)); 70 1.3.2.2 thorpej void com_supio_attach __P((struct device *, struct device *, void *)); 71 1.3.2.2 thorpej void com_supio_cleanup __P((void *)); 72 1.3.2.2 thorpej 73 1.3.2.2 thorpej static int comconsaddr; 74 1.3.2.2 thorpej static bus_space_handle_t comconsioh; 75 1.3.2.2 thorpej #if 0 76 1.3.2.2 thorpej static int comconsattached; 77 1.3.2.2 thorpej static bus_space_tag_t comconstag; 78 1.3.2.2 thorpej static int comconsrate; 79 1.3.2.2 thorpej static tcflag_t comconscflag; 80 1.3.2.2 thorpej #endif 81 1.3.2.2 thorpej 82 1.3.2.2 thorpej struct cfattach com_supio_ca = { 83 1.3.2.2 thorpej sizeof(struct comsupio_softc), com_supio_match, com_supio_attach 84 1.3.2.2 thorpej }; 85 1.3.2.2 thorpej 86 1.3.2.2 thorpej int 87 1.3.2.2 thorpej com_supio_match(parent, match, aux) 88 1.3.2.2 thorpej struct device *parent; 89 1.3.2.2 thorpej struct cfdata *match; 90 1.3.2.2 thorpej void *aux; 91 1.3.2.2 thorpej { 92 1.3.2.2 thorpej bus_space_tag_t iot; 93 1.3.2.2 thorpej int iobase; 94 1.3.2.2 thorpej int rv = 1; 95 1.3.2.2 thorpej struct supio_attach_args *supa = aux; 96 1.3.2.2 thorpej 97 1.3.2.2 thorpej iot = supa->supio_iot; 98 1.3.2.2 thorpej iobase = supa->supio_iobase; 99 1.3.2.2 thorpej 100 1.3.2.3 thorpej if (strcmp(supa->supio_name,"com")) 101 1.3.2.2 thorpej return 0; 102 1.3.2.2 thorpej #if 0 103 1.3.2.2 thorpej /* if it's in use as console, it's there. */ 104 1.3.2.2 thorpej if (iobase != comconsaddr || comconsattached) { 105 1.3.2.2 thorpej if (bus_space_map(iot, iobase, COM_NPORTS, 0, &ioh)) { 106 1.3.2.2 thorpej return 0; 107 1.3.2.2 thorpej } 108 1.3.2.2 thorpej rv = comprobe1(iot, ioh, iobase); 109 1.3.2.2 thorpej bus_space_unmap(iot, ioh, COM_NPORTS); 110 1.3.2.2 thorpej } 111 1.3.2.2 thorpej #endif 112 1.3.2.2 thorpej return (rv); 113 1.3.2.2 thorpej } 114 1.3.2.2 thorpej 115 1.3.2.2 thorpej void 116 1.3.2.2 thorpej com_supio_attach(parent, self, aux) 117 1.3.2.2 thorpej struct device *parent, *self; 118 1.3.2.2 thorpej void *aux; 119 1.3.2.2 thorpej { 120 1.3.2.2 thorpej struct comsupio_softc *sc = (void *)self; 121 1.3.2.2 thorpej struct com_softc *csc = &sc->sc_com; 122 1.3.2.2 thorpej int iobase; 123 1.3.2.2 thorpej bus_space_tag_t iot; 124 1.3.2.2 thorpej struct supio_attach_args *supa = aux; 125 1.3.2.3 thorpej u_int16_t needpsl; 126 1.3.2.2 thorpej 127 1.3.2.2 thorpej /* 128 1.3.2.2 thorpej * We're living on a superio chip. 129 1.3.2.2 thorpej */ 130 1.3.2.2 thorpej iobase = csc->sc_iobase = supa->supio_iobase; 131 1.3.2.2 thorpej iot = csc->sc_iot = supa->supio_iot; 132 1.3.2.2 thorpej if (iobase != comconsaddr) { 133 1.3.2.2 thorpej if (bus_space_map(iot, iobase, COM_NPORTS, 0, &csc->sc_ioh)) 134 1.3.2.2 thorpej panic("comattach: io mapping failed"); 135 1.3.2.2 thorpej } else 136 1.3.2.2 thorpej csc->sc_ioh = comconsioh; 137 1.3.2.2 thorpej 138 1.3.2.3 thorpej csc->sc_frequency = supa->supio_arg; 139 1.3.2.3 thorpej 140 1.3.2.2 thorpej printf(" port 0x%x", iobase); 141 1.3.2.2 thorpej com_attach_subr(csc); 142 1.3.2.2 thorpej 143 1.3.2.3 thorpej /* XXX this should be really in the interupt stuff */ 144 1.3.2.3 thorpej needpsl = PSL_S | (supa->supio_ipl << 8); 145 1.3.2.3 thorpej 146 1.3.2.3 thorpej if (amiga_ttyspl < needpsl) { 147 1.3.2.2 thorpej printf("%s: raising amiga_ttyspl from 0x%x to 0x%x\n", 148 1.3.2.3 thorpej csc->sc_dev.dv_xname, amiga_ttyspl, needpsl); 149 1.3.2.3 thorpej amiga_ttyspl = needpsl; 150 1.3.2.2 thorpej } 151 1.3.2.2 thorpej sc->sc_isr.isr_intr = comintr; 152 1.3.2.2 thorpej sc->sc_isr.isr_arg = csc; 153 1.3.2.3 thorpej sc->sc_isr.isr_ipl = supa->supio_ipl; 154 1.3.2.2 thorpej add_isr(&sc->sc_isr); 155 1.3.2.2 thorpej 156 1.3.2.2 thorpej /* 157 1.3.2.2 thorpej * Shutdown hook for buggy BIOSs that don't recognize the UART 158 1.3.2.2 thorpej * without a disabled FIFO. 159 1.3.2.2 thorpej */ 160 1.3.2.2 thorpej if (shutdownhook_establish(com_supio_cleanup, csc) == NULL) 161 1.3.2.2 thorpej panic("comsupio: could not establish shutdown hook"); 162 1.3.2.2 thorpej } 163 1.3.2.2 thorpej 164 1.3.2.2 thorpej void 165 1.3.2.2 thorpej com_supio_cleanup(arg) 166 1.3.2.2 thorpej void *arg; 167 1.3.2.2 thorpej { 168 1.3.2.2 thorpej struct com_softc *sc = arg; 169 1.3.2.2 thorpej 170 1.3.2.2 thorpej if (ISSET(sc->sc_hwflags, COM_HW_FIFO)) 171 1.3.2.2 thorpej bus_space_write_1(sc->sc_iot, sc->sc_ioh, com_fifo, 0); 172 1.3.2.2 thorpej } 173
Indexes created Fri Oct 03 15:10:06 GMT 2025