sys/arch/hpcmips/vr/mq200_vrip.c

   1 /*      $NetBSD: mq200_vrip.c,v 1.10.6.3 2004/09/21 13:16:13 skrll 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/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: mq200_vrip.c,v 1.10.6.3 2004/09/21 13:16:13 skrll Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/device.h>
  38
  39 #include <machine/bus.h>
  40
  41 #include "opt_vr41xx.h"
  42 #include <hpcmips/vr/vrcpudef.h>
  43 #include <hpcmips/vr/vripif.h>
  44 #include <hpcmips/dev/mq200var.h>
  45 #include <hpcmips/dev/mq200reg.h>
  46 #include "bivideo.h"
  47 #if NBIVIDEO > 0
  48 #include <dev/hpc/bivideovar.h>
  49 #endif
  50
  51
  52 #include "locators.h"
  53
  54 struct mq200_vrip_softc {
  55         struct mq200_softc      sc_mq200;
  56 };
  57
  58 static int      mq200_vrip_probe(struct device *, struct cfdata *, void *);
  59 static void     mq200_vrip_attach(struct device *, struct device *, void *);
  60
  61 CFATTACH_DECL(mqvideo_vrip, sizeof(struct mq200_vrip_softc),
  62     mq200_vrip_probe, mq200_vrip_attach, NULL, NULL);
  63
  64 static int
  65 mq200_vrip_probe(struct device *parent, struct cfdata *cf, void *aux)
  66 {
  67         struct vrip_attach_args *va = aux;
  68         bus_space_handle_t ioh;
  69         int res;
  70
  71         if (va->va_addr == VRIPIFCF_ADDR_DEFAULT)
  72                 return (0);
  73
  74 #if NBIVIDEO > 0
  75         if (bivideo_dont_attach) /* already attach video driver */
  76                 return 0;
  77 #endif /* NBIVIDEO > 0 */
  78
  79         if (bus_space_map(va->va_iot, va->va_addr + MQ200_REGADDR,
  80             va->va_size, 0, &ioh)) {
  81                 printf(": can't map i/o space\n");
  82                 return 0;
  83         }
  84         res = mq200_probe(va->va_iot, ioh);
  85         bus_space_unmap(va->va_iot, ioh, va->va_size);
  86
  87         return (res);
  88 }
  89
  90
  91 static void
  92 mq200_vrip_attach(struct device *parent, struct device *self, void *aux)
  93 {
  94         struct mq200_vrip_softc *vsc = (void *)self;
  95         struct mq200_softc *sc = &vsc->sc_mq200;
  96         struct vrip_attach_args *va = aux;
  97
  98         sc->sc_baseaddr = va->va_addr;
  99         sc->sc_iot = va->va_iot;
 100         if (bus_space_map(va->va_iot, va->va_addr + MQ200_REGADDR,
 101             va->va_size - MQ200_REGADDR, 0, &sc->sc_ioh)) {
 102                 printf(": can't map bus space\n");
 103                 return;
 104         }
 105
 106         mq200_attach(sc);
 107 }