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Annotation of sys/arch/hppa/gsc/hil_gsc.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: hil_gsc.c,v 1.5 2005/12/22 07:09:52 miod Exp $        */
        !             2: /*
        !             3:  * Copyright (c) 2003, Miodrag Vallat.
        !             4:  * All rights reserved.
        !             5:  *
        !             6:  * Redistribution and use in source and binary forms, with or without
        !             7:  * modification, are permitted provided that the following conditions
        !             8:  * are met:
        !             9:  * 1. Redistributions of source code must retain the above copyright
        !            10:  *    notice, this list of conditions and the following disclaimer.
        !            11:  * 2. Redistributions in binary form must reproduce the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer in the
        !            13:  *    documentation and/or other materials provided with the distribution.
        !            14:  *
        !            15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        !            17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            18:  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
        !            19:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            20:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            21:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            22:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            23:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            24:  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            25:  * POSSIBILITY OF SUCH DAMAGE.
        !            26:  *
        !            27:  */
        !            28:
        !            29: #include <sys/param.h>
        !            30: #include <sys/systm.h>
        !            31: #include <sys/device.h>
        !            32:
        !            33: #include <machine/cpu.h>
        !            34: #include <machine/intr.h>
        !            35: #include <machine/iomod.h>
        !            36: #include <machine/autoconf.h>
        !            37: #include <machine/bus.h>
        !            38:
        !            39: #include <hppa/dev/cpudevs.h>
        !            40: #include <hppa/gsc/gscbusvar.h>
        !            41:
        !            42: #include <machine/hil_machdep.h>
        !            43:
        !            44: #include <dev/hil/hilvar.h>
        !            45:
        !            46: int    hil_gsc_match(struct device *, void *, void *);
        !            47: void   hil_gsc_attach(struct device *, struct device *, void *);
        !            48:
        !            49: struct hil_gsc_softc {
        !            50:        struct hil_softc sc_hs;
        !            51:        int              sc_hil_console;
        !            52: };
        !            53:
        !            54: struct cfattach hil_gsc_ca = {
        !            55:        sizeof(struct hil_gsc_softc), hil_gsc_match, hil_gsc_attach
        !            56: };
        !            57:
        !            58: int
        !            59: hil_gsc_match(struct device *parent, void *match, void *aux)
        !            60: {
        !            61:        struct gsc_attach_args *ga = aux;
        !            62:
        !            63:        if (ga->ga_type.iodc_type != HPPA_TYPE_FIO ||
        !            64:            ga->ga_type.iodc_sv_model != HPPA_FIO_HIL)
        !            65:                return (0);
        !            66:
        !            67:        return (1);
        !            68: }
        !            69:
        !            70: void
        !            71: hil_gsc_attach(struct device *parent, struct device *self, void *aux)
        !            72: {
        !            73:        struct hil_gsc_softc *gsc = (void *)self;
        !            74:        struct hil_softc *sc = &gsc->sc_hs;
        !            75:        struct gsc_attach_args *ga = aux;
        !            76:
        !            77:        sc->sc_bst = ga->ga_iot;
        !            78:        if (bus_space_map(ga->ga_iot, ga->ga_hpa,
        !            79:            HILMAPSIZE, 0, &sc->sc_bsh)) {
        !            80:                printf(": couldn't map hil controller\n");
        !            81:                return;
        !            82:        }
        !            83:
        !            84:        gsc->sc_hil_console = ga->ga_dp.dp_mod == PAGE0->mem_kbd.pz_dp.dp_mod &&
        !            85:            bcmp(ga->ga_dp.dp_bc, PAGE0->mem_kbd.pz_dp.dp_bc, 6) == 0;
        !            86:
        !            87:        hil_attach(sc, &gsc->sc_hil_console);
        !            88:
        !            89:        gsc_intr_establish((struct gsc_softc *)parent, ga->ga_irq, IPL_TTY,
        !            90:            hil_intr, sc, sc->sc_dev.dv_xname);
        !            91:
        !            92:        startuphook_establish(hil_attach_deferred, sc);
        !            93: }