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

1.1       nbrk        1: /*     $OpenBSD: fdc_gsc.c,v 1.5 2004/04/07 18:24:19 mickey Exp $      */
                      2:
                      3: /*
                      4:  * Copyright (c) 1998 Michael Shalayeff
                      5:  * All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  *
                     16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     19:  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
                     20:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
                     21:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     22:  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
                     24:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
                     25:  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
                     26:  * THE POSSIBILITY OF SUCH DAMAGE.
                     27:  */
                     28:
                     29:
                     30: #include <sys/param.h>
                     31: #include <sys/systm.h>
                     32: #include <sys/device.h>
                     33:
                     34: #include <machine/iomod.h>
                     35: #include <machine/bus.h>
                     36: #include <machine/intr.h>
                     37: #include <machine/autoconf.h>
                     38:
                     39: #include <dev/ic/fdreg.h>
                     40: #include <dev/ic/fdlink.h>
                     41:
                     42: #include <hppa/dev/cpudevs.h>
                     43:
                     44: /* controller driver configuration */
                     45: int fdc_gsc_probe(struct device *, void *, void *);
                     46: void fdc_gsc_attach(struct device *, struct device *, void *);
                     47:
                     48: struct cfattach fdc_gsc_ca = {
                     49:        sizeof(struct fdc_softc), fdc_gsc_probe, fdc_gsc_attach
                     50: };
                     51:
                     52: int
                     53: fdc_gsc_probe(parent, match, aux)
                     54:        struct device *parent;
                     55:        void *match, *aux;
                     56: {
                     57:        struct confargs *ca = aux;
                     58:        bus_space_handle_t ioh;
                     59:        int rv;
                     60:
                     61:        if (ca->ca_type.iodc_type != HPPA_TYPE_FIO ||
                     62:            ca->ca_type.iodc_sv_model != HPPA_FIO_GPCFD)
                     63:                return 0;
                     64:
                     65:        /* Map the I/O space. */
                     66:        if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh))
                     67:                return 0;
                     68:
                     69:        rv = fdcprobe1(ca->ca_iot, ioh | IOMOD_DEVOFFSET);
                     70:        bus_space_unmap(ca->ca_iot, ioh, IOMOD_HPASIZE);
                     71:        return rv;
                     72: }
                     73:
                     74: void
                     75: fdc_gsc_attach(parent, self, aux)
                     76:        struct device *parent, *self;
                     77:        void *aux;
                     78: {
                     79:        struct fdc_softc *sc = (void *)self;
                     80:        bus_space_handle_t ioh;
                     81:        struct confargs *ca = aux;
                     82:
                     83:        /* Re-map the I/O space. */
                     84:        if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh))
                     85:                panic("fdcattach: couldn't map I/O ports");
                     86:
                     87:        ioh |= IOMOD_DEVOFFSET;
                     88:        sc->sc_iot = ca->ca_iot;
                     89:        sc->sc_ioh = ioh;
                     90:        sc->sc_ioh_ctl = ioh + FDCTL_OFFSET;
                     91:
                     92:        fdc_attach_subr(sc);
                     93: }
                     94:
                     95: