xref: /netbsd-src/sys/arch/mac68k/dev/grf_subr.c (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: grf_subr.c,v 1.17 2003/07/15 02:43:16 lukem 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 <sys/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: grf_subr.c,v 1.17 2003/07/15 02:43:16 lukem Exp $");
41 
42 #include <sys/param.h>
43 #include <sys/device.h>
44 #include <sys/systm.h>
45 
46 #include <machine/bus.h>
47 #include <machine/grfioctl.h>
48 
49 #include <mac68k/nubus/nubus.h>
50 #include <mac68k/dev/grfvar.h>
51 
52 void
53 grf_establish(sc, sp, g_mode)
54 	struct grfbus_softc *sc;
55 	nubus_slot *sp;
56 	int (*g_mode) __P((struct grf_softc *, int, void *));
57 {
58 	struct grfmode *gm = &sc->curr_mode;
59 	struct grfbus_attach_args ga;
60 
61 	/* Print hardware characteristics. */
62 	printf("%s: %d x %d, ", sc->sc_dev.dv_xname, gm->width, gm->height);
63 	if (gm->psize == 1)
64 		printf("monochrome\n");
65 	else
66 		printf("%d color\n", 1 << gm->psize);
67 
68 	/* Attach grf semantics to the hardware. */
69 	ga.ga_name = "grf";
70 	ga.ga_grfmode = gm;
71 	ga.ga_slot = sp;
72 	ga.ga_tag = sc->sc_tag;
73 	ga.ga_handle = sc->sc_handle;
74 	ga.ga_phys = sc->sc_basepa;
75 	ga.ga_mode = g_mode;
76 	(void)config_found(&sc->sc_dev, &ga, grfbusprint);
77 }
78 
79 int
80 grfbusprint(aux, name)
81 	void *aux;
82 	const char *name;
83 {
84 	struct grfbus_attach_args *ga = aux;
85 
86 	if (name)
87 		aprint_normal("%s at %s", ga->ga_name, name);
88 
89 	return (UNCONF);
90 }
91