1/* $NetBSD: hil_intio.c,v 1.5 2024/01/16 05:48:28 thorpej Exp $ */ 2/* $OpenBSD: hil_intio.c,v 1.8 2007/01/06 20:10:57 miod Exp $ */ 3 4/* 5 * Copyright (c) 2005, Miodrag Vallat. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 21 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 26 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 * 29 */ 30 31#include "wsdisplay.h" 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/device.h> 36#include <sys/conf.h> 37#include <sys/bus.h> 38#include <sys/cpu.h> 39 40#include <machine/intr.h> 41 42#include <dev/cons.h> 43#if NWSDISPLAY > 0 44#include <dev/wscons/wsdisplayvar.h> 45#endif 46 47#include <hp300/dev/intiovar.h> 48 49#include <machine/hil_machdep.h> 50#include <dev/hil/hilvar.h> 51 52static int hil_intio_match(device_t, cfdata_t, void *); 53static void hil_intio_attach(device_t, device_t, void *); 54 55CFATTACH_DECL_NEW(hil_intio, sizeof(struct hil_softc), 56 hil_intio_match, hil_intio_attach, NULL, NULL); 57 58int 59hil_intio_match(device_t parent, cfdata_t cf, void *aux) 60{ 61 struct intio_attach_args *ia = aux; 62 static int hil_matched = 0; 63 64 if (strcmp("hil", ia->ia_modname) != 0) 65 return 0; 66 67 /* Allow only one instance. */ 68 if (hil_matched != 0) 69 return 0; 70 71 if (badaddr((void *)ia->ia_addr)) /* should not happen! */ 72 return 0; 73 74 return 1; 75} 76 77int hil_is_console = -1; /* undecided */ 78 79void 80hil_intio_attach(device_t parent, device_t self, void *aux) 81{ 82 struct hil_softc *sc = device_private(self); 83 struct intio_attach_args *ia = aux; 84 85 sc->sc_dev = self; 86 sc->sc_bst = ia->ia_bst; 87 if (bus_space_map(sc->sc_bst, ia->ia_iobase, 88 HILMAPSIZE, 0, &sc->sc_bsh) != 0) { 89 aprint_error(": couldn't map hil controller\n"); 90 return; 91 } 92 93 /* 94 * Check that the configured console device is a wsdisplay. 95 */ 96#if NWSDISPLAY > 0 97 if (cn_tab->cn_putc != wsdisplay_cnputc) 98#endif 99 { 100 hil_is_console = 0; 101 } 102 103 hil_attach(sc, &hil_is_console); 104 intr_establish(hil_intr, sc, ia->ia_ipl, ISRPRI_TTY); 105 106 config_interrupts(self, hil_attach_deferred); 107} 108