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mq200_vrip.c revision 1.1 
      1 /*	$NetBSD: mq200_vrip.c,v 1.1 2000/07/22 08:53:38 takemura Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 Takemura Shin
      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  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  *
     30  */
     31 
     32 #include <sys/param.h>
     33 #include <sys/systm.h>
     34 #include <sys/device.h>
     35 
     36 #include <machine/bus.h>
     37 
     38 #include <hpcmips/vr/vripreg.h>
     39 #include <hpcmips/vr/vripvar.h>
     40 #include <hpcmips/vr/vrgiureg.h>
     41 #include <hpcmips/dev/mq200var.h>
     42 
     43 #include "locators.h"
     44 
     45 struct mq200_vrip_softc {
     46 	struct mq200_softc	sc_mq200;
     47 };
     48 
     49 static int	mq200_vrip_probe __P((struct device *, struct cfdata *,
     50 				      void *));
     51 static void	mq200_vrip_attach __P((struct device *, struct device *,
     52 				       void *));
     53 
     54 struct cfattach mqvideo_vrip_ca = {
     55 	sizeof(struct mq200_vrip_softc), mq200_vrip_probe, mq200_vrip_attach
     56 };
     57 
     58 static int
     59 mq200_vrip_probe(parent, cf, aux)
     60 	struct device *parent;
     61 	struct cfdata *cf;
     62 	void *aux;
     63 {
     64 	struct vrip_attach_args *va = aux;
     65 	bus_space_handle_t ioh;
     66 	int res;
     67 
     68 	if (va->va_addr == VRIPCF_ADDR_DEFAULT)
     69 		return (0);
     70 
     71 	if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0, &ioh)) {
     72 		printf(": can't map i/o space\n");
     73 		return 0;
     74 	}
     75 	res = mq200_probe(va->va_iot, ioh);
     76 	bus_space_unmap(va->va_iot, ioh, va->va_size);
     77 
     78 	return (res);
     79 }
     80 
     81 
     82 static void
     83 mq200_vrip_attach(parent, self, aux)
     84 	struct device *parent, *self;
     85 	void *aux;
     86 {
     87 	struct mq200_vrip_softc *vsc = (void *)self;
     88 	struct mq200_softc *sc = &vsc->sc_mq200;
     89 	struct vrip_attach_args *va = aux;
     90 
     91 	sc->sc_baseaddr = va->va_addr;
     92 	sc->sc_iot = va->va_iot;
     93 	if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0,
     94 			  &sc->sc_ioh)) {
     95 		printf(": can't map bus space\n");
     96 		return;
     97 	}
     98 
     99 	mq200_attach(sc);
    100 }
    101