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Annotation of sys/arch/hppa/gsc/hil_gsc.c, Revision 1.1.1.1

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: }