73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/* $OpenBSD: lpt_ssio.c,v 1.1 2007/06/20 18:22:15 kettenis Exp $ */
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/*
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* Copyright (c) 2007 Mark Kettenis
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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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/bus.h>
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#include <dev/ic/lptreg.h>
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#include <dev/ic/lptvar.h>
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#include <hppa/dev/ssiovar.h>
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int lpt_ssio_match(device_t, cfdata_t, void *);
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void lpt_ssio_attach(device_t, device_t, void *);
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CFATTACH_DECL_NEW(lpt_ssio, sizeof(struct lpt_softc),
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lpt_ssio_match, lpt_ssio_attach, NULL, NULL);
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int
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lpt_ssio_match(device_t parent, cfdata_t match, void *aux)
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{
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cfdata_t cf = match;
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struct ssio_attach_args *saa = aux;
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if (strcmp(saa->saa_name, "lpt") != 0)
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return (0);
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/* Check locators. */
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if (cf->ssiocf_irq != SSIO_UNK_IRQ && cf->ssiocf_irq != saa->saa_irq)
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return (0);
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return (1);
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}
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void
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lpt_ssio_attach(device_t parent, device_t self, void *aux)
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{
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struct lpt_softc *sc = device_private(self);
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struct ssio_attach_args *saa = aux;
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sc->sc_dev = self;
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sc->sc_iot = saa->saa_iot;
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if (bus_space_map(sc->sc_iot, saa->saa_iobase, LPT_NPORTS,
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0, &sc->sc_ioh)) {
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aprint_error(": can't map i/o ports\n");
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return;
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}
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lpt_attach_subr(sc);
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sc->sc_ih = ssio_intr_establish(IPL_TTY, saa->saa_irq,
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lptintr, sc, device_xname(self));
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aprint_normal("\n");
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}
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