sys/arch/rs6000/mca/ioplanar.c

   1 /*-
   2  * Copyright (c) 2007 The NetBSD Foundation, Inc.
   3  * All rights reserved.
   4  *
   5  * This code is derived from software contributed to The NetBSD Foundation
   6  * by Tim Rightnour
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  19  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  21  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  27  * POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include <sys/cdefs.h>
  31 __KERNEL_RCSID(0, "$NetBSD: ioplanar.c,v 1.1 2007/12/17 19:09:40 garbled Exp $");
  32
  33 #include <sys/param.h>
  34 #include <sys/device.h>
  35
  36 #include <machine/intr.h>
  37 #include <machine/bus.h>
  38
  39 #include <dev/mca/mcavar.h>
  40 #include <dev/mca/mcadevs.h>
  41
  42 #include <rs6000/ioplanar/ioplanarvar.h>
  43
  44 static int      ioplanar_match(struct device *, struct cfdata *, void *);
  45 static void     ioplanar_attach(struct device *, struct device *, void *);
  46 static int      ioplanar_print(void *, const char *);
  47 static int      ioplanar_search(struct device *, struct cfdata *,
  48                                 const int *, void *);
  49
  50 CFATTACH_DECL(ioplanar, sizeof(struct ioplanar_softc),
  51     ioplanar_match, ioplanar_attach, NULL, NULL);
  52
  53 struct ioplanar_softc *ioplanar_softc;
  54 extern struct cfdriver ioplanar_cd;
  55
  56 #define RAINBOW_DEVS    7
  57 int rainbow_map[RAINBOW_DEVS] =
  58         { IOP_COM0, IOP_COM1, IOP_LPD, IOP_KBD_2,
  59           IOP_TABLET_2, IOP_MOUSE, IOP_FDC_2 };
  60
  61 static int
  62 ioplanar_match(struct device *parent, struct cfdata *cf, void *aux)
  63 {
  64         struct mca_attach_args *ma = aux;
  65
  66         switch (ma->ma_id) {
  67         case MCA_PRODUCT_IBM_SIO_RAINBOW:
  68                 return 1;
  69         }
  70
  71         return 0;
  72 }
  73
  74 static void
  75 ioplanar_attach(struct device *parent, struct device *self, void *aux)
  76 {
  77         struct ioplanar_softc *sc = (struct ioplanar_softc *)self;
  78         struct mca_attach_args *ma = aux;
  79
  80         printf("\n");
  81
  82         ioplanar_softc = sc;
  83         sc->sc_ic = ma->ma_mc;
  84         sc->sc_iot = ma->ma_iot;
  85         sc->sc_memt = ma->ma_memt;
  86         sc->sc_dmat = ma->ma_dmat;
  87         sc->sc_devid = ma->ma_id;
  88
  89         (void)config_search_ia(ioplanar_search, self, "ioplanar", aux);
  90 }
  91
  92 static int
  93 ioplanar_search(struct device *parent, struct cfdata *cf,
  94     const int *ldesc, void *aux)
  95 {
  96         struct ioplanar_dev_attach_args idaa;
  97         struct mca_attach_args *ma = aux;
  98         int i;
  99
 100         idaa.idaa_mc = ma->ma_mc;
 101         idaa.idaa_iot = ma->ma_iot;
 102         idaa.idaa_memt = ma->ma_memt;
 103         idaa.idaa_dmat = ma->ma_dmat;
 104         idaa.idaa_devid = ma->ma_id;
 105
 106         switch (ma->ma_id) {
 107         case MCA_PRODUCT_IBM_SIO_RAINBOW:
 108                 for (i=0; i < RAINBOW_DEVS; i++) {
 109                         idaa.idaa_device = rainbow_map[i];
 110                         if (config_match(parent, cf, &idaa) > 0)
 111                                 config_attach(parent, cf, &idaa,
 112                                     ioplanar_print);
 113                 }
 114                 break;
 115         default:
 116                 return 0;
 117         }
 118         return 0;
 119 }
 120
 121 static int
 122 ioplanar_print(void *args, const char *name)
 123 {
 124         /*struct ioplanar_dev_attach_args *idaa = args;*/
 125
 126         aprint_normal(": ");
 127         return (UNCONF);
 128 }