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

1.1       nbrk        1: /*     $OpenBSD: mongoose_gsc.c,v 1.1 2004/10/30 10:26:32 miod Exp $   */
                      2:
                      3: /*
                      4:  * Copyright (c) 2004, Miodrag Vallat.
                      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: #include <sys/param.h>
                     29: #include <sys/systm.h>
                     30: #include <sys/device.h>
                     31:
                     32: #include <machine/bus.h>
                     33: #include <machine/autoconf.h>
                     34:
                     35: #include <hppa/dev/cpudevs.h>
                     36:
                     37: #include <dev/eisa/eisavar.h>
                     38: #include <dev/isa/isavar.h>
                     39:
                     40: #include <hppa/dev/mongoosereg.h>
                     41: #include <hppa/dev/mongoosevar.h>
                     42:
                     43: #include <hppa/gsc/gscbusvar.h>
                     44:
                     45: void   mgattach_gsc(struct device *, struct device *, void *);
                     46: int    mgmatch_gsc(struct device *, void *, void *);
                     47:
                     48: struct cfattach mg_gsc_ca = {
                     49:        sizeof(struct mongoose_softc), mgmatch_gsc, mgattach_gsc
                     50: };
                     51:
                     52: int
                     53: mgmatch_gsc(struct device *parent, void *cfdata, void *aux)
                     54: {
                     55:        struct gsc_attach_args *ga = aux;
                     56:
                     57:        if (ga->ga_type.iodc_type != HPPA_TYPE_BHA ||
                     58:            ga->ga_type.iodc_sv_model != HPPA_BHA_WEISA)
                     59:                return (0);
                     60:
                     61:        return (1);
                     62: }
                     63:
                     64: void
                     65: mgattach_gsc(struct device *parent, struct device *self, void *aux)
                     66: {
                     67:        struct mongoose_softc *sc = (struct mongoose_softc *)self;
                     68:        struct gsc_attach_args *ga = aux;
                     69:        bus_space_handle_t ioh;
                     70:
                     71:        sc->sc_bt = ga->ga_iot;
                     72:        sc->sc_iomap = ga->ga_hpa;
                     73:
                     74:        if (bus_space_map(ga->ga_iot, ga->ga_hpa + MONGOOSE_MONGOOSE,
                     75:            sizeof(struct mongoose_regs), 0, &ioh) != 0) {
                     76:                printf(": can't map IO space\n");
                     77:                return;
                     78:        }
                     79:        sc->sc_regs = (struct mongoose_regs *)ioh;
                     80:
                     81:        if (bus_space_map(ga->ga_iot, ga->ga_hpa + MONGOOSE_CTRL,
                     82:            sizeof(struct mongoose_ctrl), 0, &ioh) != 0) {
                     83:                printf(": can't map control registers\n");
                     84:                bus_space_unmap(ga->ga_iot, (bus_space_handle_t)sc->sc_regs,
                     85:                    sizeof(struct mongoose_regs));
                     86:                return;
                     87:        }
                     88:        sc->sc_ctrl = (struct mongoose_ctrl *)ioh;
                     89:
                     90:        if (mgattach_common(sc) != 0)
                     91:                return;
                     92:
                     93:        sc->sc_ih = gsc_intr_establish((struct gsc_softc *)parent,
                     94:            ga->ga_irq, IPL_HIGH, mg_intr, sc, sc->sc_dev.dv_xname);
                     95: }