sys/arch/mac68k/dev/grf_subr.c

   1 /*      $NetBSD: grf_subr.c,v 1.19 2005/12/11 12:18:02 christos Exp $   */
   2
   3 /*-
   4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe.
   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  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: grf_subr.c,v 1.19 2005/12/11 12:18:02 christos Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/device.h>
  37 #include <sys/systm.h>
  38
  39 #include <machine/bus.h>
  40 #include <machine/grfioctl.h>
  41
  42 #include <mac68k/nubus/nubus.h>
  43 #include <mac68k/dev/grfvar.h>
  44
  45 void
  46 grf_establish(struct grfbus_softc *sc, nubus_slot *sp,
  47     int (*g_mode)(struct grf_softc *, int, void *))
  48 {
  49         struct grfmode *gm = &sc->curr_mode;
  50         struct grfbus_attach_args ga;
  51
  52         /* Print hardware characteristics. */
  53         printf("%s: %d x %d, ", sc->sc_dev.dv_xname, gm->width, gm->height);
  54         if (gm->psize == 1)
  55                 printf("monochrome\n");
  56         else
  57                 printf("%d color\n", 1 << gm->psize);
  58
  59         /* Attach grf semantics to the hardware. */
  60         ga.ga_name = "grf";
  61         ga.ga_grfmode = gm;
  62         ga.ga_slot = sp;
  63         ga.ga_tag = sc->sc_tag;
  64         ga.ga_handle = sc->sc_handle;
  65         ga.ga_phys = sc->sc_basepa;
  66         ga.ga_mode = g_mode;
  67         (void)config_found(&sc->sc_dev, &ga, grfbusprint);
  68 }
  69
  70 int
  71 grfbusprint(void *aux, const char *name)
  72 {
  73         struct grfbus_attach_args *ga = aux;
  74
  75         if (name)
  76                 aprint_normal("%s at %s", ga->ga_name, name);
  77
  78         return (UNCONF);
  79 }