sys/arch/hpcmips/vr/ite8181_vrip.c

   1 /*      $NetBSD: ite8181_vrip.c,v 1.7.6.3 2004/09/21 13:16:13 skrll Exp $       */
   2
   3 /*-
   4  * Copyright (c) 2000 SATO Kazumi
   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 AUTHOR 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 AUTHOR 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: ite8181_vrip.c,v 1.7.6.3 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/ite8181var.h>
  45 #include "bivideo.h"
  46 #if NBIVIDEO > 0
  47 #include <dev/hpc/bivideovar.h>
  48 #endif
  49
  50 #include "locators.h"
  51
  52 struct ite8181_vrip_softc {
  53         struct ite8181_softc    sc_ite8181;
  54 };
  55
  56 static int      ite8181_vrip_probe(struct device *, struct cfdata *, void *);
  57 static void     ite8181_vrip_attach(struct device *, struct device *, void *);
  58
  59 CFATTACH_DECL(ite8181video_vrip, sizeof(struct ite8181_vrip_softc),
  60     ite8181_vrip_probe, ite8181_vrip_attach, NULL, NULL);
  61
  62 static int
  63 ite8181_vrip_probe(struct device *parent, struct cfdata *cf, void *aux)
  64 {
  65         struct vrip_attach_args *va = aux;
  66         bus_space_handle_t ioh;
  67         int res;
  68
  69         if (va->va_addr == VRIPIFCF_ADDR_DEFAULT)
  70                 return (0);
  71
  72 #if NBIVIDEO > 0
  73         if (bivideo_dont_attach) /* already attach video driver */
  74                 return 0;
  75 #endif /* NBIVIDEO > 0 */
  76
  77         if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0, &ioh)) {
  78                 printf("ite8181_vrip_probe: can't map i/o space\n");
  79                 return 0;
  80         }
  81         res = ite8181_probe(va->va_iot, ioh);
  82         bus_space_unmap(va->va_iot, ioh, va->va_size);
  83
  84         return (res);
  85 }
  86
  87
  88 static void
  89 ite8181_vrip_attach(struct device *parent, struct device *self, void *aux)
  90 {
  91         struct ite8181_vrip_softc *vsc = (void *)self;
  92         struct ite8181_softc *sc = &vsc->sc_ite8181;
  93         struct vrip_attach_args *va = aux;
  94
  95         sc->sc_baseaddr = va->va_addr;
  96         sc->sc_iot = va->va_iot;
  97         if (bus_space_map(va->va_iot, va->va_addr, va->va_size, 0,
  98                           &sc->sc_ioh)) {
  99                 printf(": can't map bus space\n");
 100                 return;
 101         }
 102
 103         ite8181_attach(sc);
 104 }