sys/arch/hp700/gsc/fdc_gsc.c

   1 /*      $NetBSD: fdc_gsc.c,v 1.7 2008/03/16 00:58:56 cube Exp $ */
   2
   3 /*      $OpenBSD: fdc_gsc.c,v 1.1 1998/09/30 04:45:46 mickey Exp $      */
   4
   5 /*
   6  * Copyright (c) 1998 Michael Shalayeff
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21  * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
  22  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  24  * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  27  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  28  * THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include <sys/cdefs.h>
  32 __KERNEL_RCSID(0, "$NetBSD: fdc_gsc.c,v 1.7 2008/03/16 00:58:56 cube Exp $");
  33
  34 #include <sys/param.h>
  35 #include <sys/systm.h>
  36 #include <sys/device.h>
  37
  38 #include <machine/iomod.h>
  39 #include <machine/bus.h>
  40 #include <machine/intr.h>
  41 #include <machine/autoconf.h>
  42
  43 #include <dev/ic/fdreg.h>
  44 #include <dev/ic/fdlink.h>
  45
  46 #include <hp700/dev/cpudevs.h>
  47
  48 /* controller driver configuration */
  49 int fdc_gsc_probe(device_t, cfdata_t, void *);
  50 void fdc_gsc_attach(device_t, device_t, void *);
  51
  52 CFATTACH_DECL(fdc_gsc, sizeof(struct fdc_softc),
  53     fdc_gsc_probe, fdc_gsc_attach, NULL, NULL);
  54
  55 int
  56 fdc_gsc_probe(device_t parent, cfdata_t match, void *aux)
  57 {
  58         struct confargs *ca = aux;
  59         bus_space_handle_t ioh;
  60         int rv;
  61
  62         if (ca->ca_type.iodc_type != HPPA_TYPE_FIO ||
  63             ca->ca_type.iodc_sv_model != HPPA_FIO_GPCFD)
  64                 return 0;
  65
  66         /* Map the i/o space. */
  67         if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh))
  68                 return 0;
  69
  70         rv = fdcprobe1(ca->ca_iot, ioh | IOMOD_DEVOFFSET);
  71         bus_space_unmap(ca->ca_iot, ioh, IOMOD_HPASIZE);
  72         return rv;
  73 }
  74
  75 void
  76 fdc_gsc_attach(device_t parent, device_t self, void *aux)
  77 {
  78         struct fdc_softc *sc = device_private(self);
  79         bus_space_handle_t ioh;
  80         struct confargs *ca = aux;
  81
  82         sc->sc_dev = self;
  83
  84         /* Re-map the I/O space. */
  85         if (bus_space_map(ca->ca_iot, ca->ca_hpa, IOMOD_HPASIZE, 0, &ioh))
  86                 panic("fdcattach: couldn't map I/O ports");
  87
  88         ioh |= IOMOD_DEVOFFSET;
  89         sc->sc_iot = ca->ca_iot;
  90         sc->sc_ioh = ioh;
  91         sc->sc_ioh_ctl = ioh + FDCTL_OFFSET;
  92
  93         fdc_attach_subr(sc);
  94 }