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mq200_vrip.c revision 1.2 
      1 /*	$NetBSD: mq200_vrip.c,v 1.2 2000/10/02 04:15:51 sato 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 #include "bivideo.h"
     43 #if NBIVIDEO > 0
     44 #include <hpcmips/dev/bivideovar.h>
     45 #endif
     46 
     47 
     48 #include "locators.h"
     49 
     50 struct mq200_vrip_softc {
     51 	struct mq200_softc	sc_mq200;
     52 };
     53 
     54 static int	mq200_vrip_probe __P((struct device *, struct cfdata *,
     55 				      void *));
     56 static void	mq200_vrip_attach __P((struct device *, struct device *,
     57 				       void *));
     58 
     59 struct cfattach mqvideo_vrip_ca = {
     60 	sizeof(struct mq200_vrip_softc), mq200_vrip_probe, mq200_vrip_attach
     61 };
     62 
     63 static int
     64 mq200_vrip_probe(parent, cf, aux)
     65 	struct device *parent;
     66 	struct cfdata *cf;
     67 	void *aux;
     68 {
     69 	struct vrip_attach_args *va = aux;
     70 	bus_space_handle_t ioh;
     71 	int res;
     72 
     73 	if (va->va_addr == VRIPCF_ADDR_DEFAULT)
     74 		return (0);
     75 
     76 #if NBIVIDEO > 0
     77 	if (bivideo_dont_attach) /* already attach video driver */
     78 		return 0;
     79 #endif /* NBIVIDEO > 0 */
     80 
     81 	if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0, &ioh)) {
     82 		printf(": can't map i/o space\n");
     83 		return 0;
     84 	}
     85 	res = mq200_probe(va->va_iot, ioh);
     86 	bus_space_unmap(va->va_iot, ioh, va->va_size);
     87 
     88 	return (res);
     89 }
     90 
     91 
     92 static void
     93 mq200_vrip_attach(parent, self, aux)
     94 	struct device *parent, *self;
     95 	void *aux;
     96 {
     97 	struct mq200_vrip_softc *vsc = (void *)self;
     98 	struct mq200_softc *sc = &vsc->sc_mq200;
     99 	struct vrip_attach_args *va = aux;
    100 
    101 	sc->sc_baseaddr = va->va_addr;
    102 	sc->sc_iot = va->va_iot;
    103 	if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0,
    104 			  &sc->sc_ioh)) {
    105 		printf(": can't map bus space\n");
    106 		return;
    107 	}
    108 
    109 	mq200_attach(sc);
    110 }
    111