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Annotation of sys/arch/hppa/dev/lpt_ssio.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: lpt_ssio.c,v 1.1 2007/06/20 18:22:15 kettenis Exp $   */
                      2:
                      3: /*
                      4:  * Copyright (c) 2007 Mark Kettenis
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: #include <sys/param.h>
                     20: #include <sys/systm.h>
                     21: #include <sys/device.h>
                     22:
                     23: #include <machine/bus.h>
                     24:
                     25: #include <dev/ic/lptreg.h>
                     26: #include <dev/ic/lptvar.h>
                     27:
                     28: #include <hppa/dev/ssiovar.h>
                     29:
                     30: int lpt_ssio_match(struct device *, void *, void *);
                     31: void lpt_ssio_attach(struct device *, struct device *, void *);
                     32:
                     33: struct cfattach lpt_ssio_ca = {
                     34:        sizeof(struct lpt_softc), lpt_ssio_match, lpt_ssio_attach
                     35: };
                     36:
                     37: int
                     38: lpt_ssio_match(struct device *parent, void *match, void *aux)
                     39: {
                     40:        struct cfdata *cf = match;
                     41:        struct ssio_attach_args *saa = aux;
                     42:
                     43:        if (strcmp(saa->saa_name, "lpt") != 0)
                     44:                return (0);
                     45:
                     46:        /* Check locators. */
                     47:        if (cf->ssiocf_irq != SSIO_UNK_IRQ && cf->ssiocf_irq != saa->saa_irq)
                     48:                return (0);
                     49:
                     50:        return (1);
                     51: }
                     52:
                     53: void
                     54: lpt_ssio_attach(struct device *parent, struct device *self, void *aux)
                     55: {
                     56:        struct lpt_softc *sc = (void *)self;
                     57:        struct ssio_attach_args *saa = aux;
                     58:
                     59:        sc->sc_iot = saa->saa_iot;
                     60:        if (bus_space_map(sc->sc_iot, saa->saa_iobase, LPT_NPORTS,
                     61:            0, &sc->sc_ioh)) {
                     62:                printf(": cannot map io space\n");
                     63:                return;
                     64:        }
                     65:
                     66:        lpt_attach_common(sc);
                     67:
                     68:        sc->sc_ih = ssio_intr_establish(IPL_TTY, saa->saa_irq,
                     69:            lptintr, sc, sc->sc_dev.dv_xname);
                     70: }