sys/dev/ic/iic_cpcbus.c

   1 /*      $NetBSD: iic_cpcbus.c,v 1.11 2009/05/12 12:15:37 cegger Exp $   */
   2
   3 /*
   4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Lennart Augustsson (lennart@augustsson.net) at Sandburst Corp.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: iic_cpcbus.c,v 1.11 2009/05/12 12:15:37 cegger Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/device.h>
  37 #include <sys/systm.h>
  38
  39 #include <sys/bus.h>
  40 #include <dev/ic/cpc700reg.h>
  41 #include <dev/ic/cpc700var.h>
  42
  43 struct iic_cpcbus_softc {
  44         struct device sc_dev;
  45         bus_space_tag_t sc_iot;
  46         bus_space_handle_t sc_ioh;
  47         void *sc_ih;
  48 };
  49
  50 static int      iic_cpcbus_match(device_t, cfdata_t, void *);
  51 static void     iic_cpcbus_attach(device_t, device_t, void *);
  52
  53 CFATTACH_DECL(iic_cpcbus, sizeof(struct iic_cpcbus_softc),
  54     iic_cpcbus_match, iic_cpcbus_attach, NULL, NULL);
  55
  56 int
  57 iic_cpcbus_match(device_t parent, cfdata_t cf, void *aux)
  58 {
  59         struct cpcbus_attach_args *caa = aux;
  60
  61         return (strcmp(caa->cpca_name, "cpciic") == 0);
  62 }
  63
  64 void
  65 iic_cpcbus_attach(device_t parent, device_t self, void *aux)
  66 {
  67         struct cpcbus_attach_args *caa = aux;
  68         struct iic_cpcbus_softc *sc = (struct iic_cpcbus_softc *)self;
  69
  70         sc->sc_iot = caa->cpca_tag;
  71         if (bus_space_map(sc->sc_iot, caa->cpca_addr, CPC_IIC_SIZE, 0,
  72                           &sc->sc_ioh)) {
  73                 aprint_error_dev(self, "can't map i/o space\n");
  74                 return;
  75         }
  76
  77         printf(": driver not implemented\n");
  78 }