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grf_subr.c revision 1.14 
      1 /*	$NetBSD: grf_subr.c,v 1.14 1998/08/12 02:36:37 scottr 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include "opt_grf.h"
     40 
     41 #include <sys/param.h>
     42 #include <sys/device.h>
     43 #include <sys/systm.h>
     44 
     45 #include <machine/bus.h>
     46 #include <machine/grfioctl.h>
     47 
     48 #include <mac68k/nubus/nubus.h>
     49 #include <mac68k/dev/grfvar.h>
     50 
     51 void
     52 grf_establish(sc, sp, g_mode)
     53 	struct grfbus_softc *sc;
     54 	nubus_slot *sp;
     55 	int (*g_mode) __P((struct grf_softc *, int, void *));
     56 {
     57 	struct grfmode *gm = &sc->curr_mode;
     58 	struct grfbus_attach_args ga;
     59 
     60 	/* Print hardware characteristics. */
     61 	printf("%s: %d x %d, ", sc->sc_dev.dv_xname, gm->width, gm->height);
     62 	if (gm->psize == 1)
     63 		printf("monochrome\n");
     64 	else
     65 		printf("%d color\n", 1 << gm->psize);
     66 
     67 	/* Attach grf semantics to the hardware. */
     68 	ga.ga_name = "grf";
     69 	ga.ga_grfmode = gm;
     70 	ga.ga_slot = sp;
     71 	ga.ga_tag = sc->sc_tag;
     72 	ga.ga_handle = sc->sc_handle;
     73 	ga.ga_phys = sc->sc_basepa;
     74 	ga.ga_mode = g_mode;
     75 	(void)config_found(&sc->sc_dev, &ga, grfbusprint);
     76 }
     77 
     78 int
     79 grfbusprint(aux, name)
     80 	void *aux;
     81 	const char *name;
     82 {
     83 	struct grfbus_attach_args *ga = aux;
     84 
     85 	if (name)
     86 		printf("%s at %s", ga->ga_name, name);
     87 
     88 	return (UNCONF);
     89 }
     90