99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/* $NetBSD: hil_intio.c,v 1.3 2011/02/19 05:36:49 tsutsui Exp $ */
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/* $OpenBSD: hil_intio.c,v 1.8 2007/01/06 20:10:57 miod Exp $ */
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/*
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* Copyright (c) 2005, Miodrag Vallat.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/conf.h>
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#include <sys/bus.h>
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#include <sys/cpu.h>
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#include <machine/intr.h>
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#include <dev/cons.h>
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#include <hp300/dev/intiovar.h>
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#include <machine/hil_machdep.h>
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#include <dev/hil/hilvar.h>
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static int hil_intio_match(device_t, cfdata_t, void *);
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static void hil_intio_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(hil_intio, sizeof(struct hil_softc),
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hil_intio_match, hil_intio_attach, NULL, NULL);
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int
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hil_intio_match(device_t parent, cfdata_t cf, void *aux)
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{
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struct intio_attach_args *ia = aux;
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static int hil_matched = 0;
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if (strcmp("hil", ia->ia_modname) != 0)
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return 0;
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/* Allow only one instance. */
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if (hil_matched != 0)
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return 0;
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if (badaddr((void *)ia->ia_addr)) /* should not happen! */
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return 0;
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return 1;
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}
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int hil_is_console = -1; /* undecided */
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void
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hil_intio_attach(device_t parent, device_t self, void *aux)
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{
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struct hil_softc *sc = device_private(self);
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struct intio_attach_args *ia = aux;
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sc->sc_dev = self;
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sc->sc_bst = ia->ia_bst;
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if (bus_space_map(sc->sc_bst, ia->ia_iobase,
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HILMAPSIZE, 0, &sc->sc_bsh) != 0) {
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aprint_error(": couldn't map hil controller\n");
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return;
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}
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/*
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* Check that the configured console device is a wsdisplay.
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*/
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if (major(cn_tab->cn_dev) != devsw_name2chr("wsdisplay", NULL, 0))
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hil_is_console = 0;
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hil_attach(sc, &hil_is_console);
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intr_establish(hil_intr, sc, ia->ia_ipl, IPL_TTY);
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config_interrupts(self, hil_attach_deferred);
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}
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