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iic_cpcbus.c revision 1.2.4.3 
      1 /*	$NetBSD: iic_cpcbus.c,v 1.2.4.3 2002/10/10 18:39:03 jdolecek 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 (at) 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/param.h>
     40 #include <sys/device.h>
     41 #include <sys/systm.h>
     42 
     43 #include <machine/bus.h>
     44 #include <dev/ic/cpc700reg.h>
     45 #include <dev/ic/cpc700var.h>
     46 
     47 struct iic_cpcbus_softc {
     48 	struct device sc_dev;
     49 	bus_space_tag_t sc_iot;
     50 	bus_space_handle_t sc_ioh;
     51 	void *sc_ih;
     52 };
     53 
     54 static int	iic_cpcbus_match(struct device *, struct cfdata *, void *);
     55 static void	iic_cpcbus_attach(struct device *, struct device *, void *);
     56 
     57 CFATTACH_DECL(iic_cpcbus, sizeof(struct iic_cpcbus_softc),
     58     iic_cpcbus_match, iic_cpcbus_attach, NULL, NULL);
     59 
     60 int
     61 iic_cpcbus_match(struct device *parent, struct cfdata *cf, void *aux)
     62 {
     63 	struct cpcbus_attach_args *caa = aux;
     64 
     65 	return (strcmp(caa->cpca_name, "cpciic") == 0);
     66 }
     67 
     68 void
     69 iic_cpcbus_attach(struct device *parent, struct device *self, void *aux)
     70 {
     71 	struct cpcbus_attach_args *caa = aux;
     72 	struct iic_cpcbus_softc *sc = (struct iic_cpcbus_softc *)self;
     73 
     74 	sc->sc_iot = caa->cpca_tag;
     75 	if (bus_space_map(sc->sc_iot, caa->cpca_addr, CPC_IIC_SIZE, 0,
     76 			  &sc->sc_ioh)) {
     77 		printf("%s: can't map i/o space\n", self->dv_xname);
     78 		return;
     79 	}
     80 
     81 	printf(": driver not implemented\n");
     82 }
     83