xref: /netbsd-src/sys/arch/mac68k/dev/grf_subr.c (revision d048582c60219f8400da41d2cab1a9974c1c8c2f)
1 /*	$NetBSD: grf_subr.c,v 1.1 1996/05/19 22:27:08 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 REGENTS OR CONTRIBUTORS BE
30  * 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 <sys/param.h>
40 #include <sys/device.h>
41 #include <sys/systm.h>
42 
43 #include <machine/grfioctl.h>
44 
45 #include <mac68k/dev/nubus.h>
46 #include <mac68k/dev/grfvar.h>
47 
48 void
49 grf_establish(sc, g_mode, g_phys)
50 	struct grfbus_softc *sc;
51 	int (*g_mode) __P((struct grf_softc *, int, void *));
52 	caddr_t (*g_phys) __P((struct grf_softc *, vm_offset_t));
53 {
54 	struct grfmode *gm = &sc->curr_mode;
55 	struct grfbus_attach_args ga;
56 
57 	/* Print hardware characteristics. */
58 	printf("%s: %d x %d, ", sc->sc_dev.dv_xname, gm->width, gm->height);
59 	if (gm->psize == 1)
60 		printf("monochrome\n");
61 	else
62 		printf("%d color\n", 1 << gm->psize);
63 
64 	/* Attach grf semantics to the hardware. */
65 	ga.ga_name = "grf";
66 	ga.ga_grfmode = gm;
67 	ga.ga_slot = &sc->sc_slot;	/* XXX */
68 	ga.ga_mode = g_mode;
69 	ga.ga_phys = g_phys;
70 	(void)config_found(&sc->sc_dev, &ga, grfbusprint);
71 }
72 
73 int
74 grfbusprint(aux, name)
75 	void *aux;
76 	char *name;
77 {
78 	struct grfbus_attach_args *ga = aux;
79 
80 	if (name)
81 		printf("%s at %s", ga->ga_name, name);
82 
83 	return (UNCONF);
84 }
85