xref: /netbsd-src/sys/arch/atari/dev/grfvar.h (revision ce0bb6e8d2e560ecacbe865a848624f94498063b)
1 /*	$NetBSD: grfvar.h,v 1.1.1.1 1995/03/26 07:12:12 leo Exp $	*/
2 
3 /*
4  * Copyright (c) 1988 University of Utah.
5  * Copyright (c) 1990 The Regents of the University of California.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * the Systems Programming Group of the University of Utah Computer
10  * Science Department.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *	This product includes software developed by the University of
23  *	California, Berkeley and its contributors.
24  * 4. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  *
40  * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
41  *
42  *	@(#)grfvar.h	7.3 (Berkeley) 5/7/91
43  */
44 
45 struct ite_softc;
46 
47 /*
48  * this struct is owned by the driver (grfcc)
49  * and is passed to grf when grf is configed. The ite also
50  * uses it...
51  */
52 struct	grf_softc {
53 	struct device	g_device;	/* config sets this up.		*/
54 	struct grfinfo	g_display;	/* hardware descr. (for ioctl)	*/
55 	int		g_flags;	/* software flags		*/
56 	int		g_unit;		/* grf unit we want/have	*/
57 	dev_t		g_itedev;	/* ite device number		*/
58 	dev_t		g_grfdev;	/* grf device number		*/
59 	view_t		*g_view;	/* the view we're acting on	*/
60 	dev_t		g_viewdev;	/* view device number		*/
61 	caddr_t		g_data;		/* device dependent data	*/
62 	int		(*g_mode)();
63 	int		g_conpri;	/* priority of ite as console	*/
64 	void		(*g_iteinit)();
65 	void		(*g_itedeinit)();
66 	void		(*g_iteclear)();
67 	void		(*g_iteputc)();
68 	void		(*g_itecursor)();
69 	void		(*g_itescroll)();
70 };
71 
72 /* flags */
73 #define	GF_ALIVE	0x01
74 #define GF_OPEN		0x02
75 #define GF_EXCLUDE	0x04
76 #define GF_WANTED	0x08
77 #define GF_GRFON	0x10
78 
79 /* software ids defined in grfioctl.h */
80 
81 /* requests to mode routine (g_mode())*/
82 #define GM_GRFON		1
83 #define GM_GRFOFF		2
84 #define GM_GRFOVON		3
85 #define GM_GRFOVOFF		4
86 #define GM_GRFCONFIG		5
87 #define GM_GRFGETVMODE		6
88 #define GM_GRFSETVMODE		7
89 #define GM_GRFGETNUMVM		8
90 #define GM_GRFGETBANK		9
91 #define GM_GRFSETBANK		10
92 #define GM_GRFGETCURBANK	11
93 #define GM_GRFIOCTL		12
94 
95 /* minor device interpretation */
96 #define GRFOVDEV	0x10	/* XXX no driver uses yet, overlay planes */
97 #define GRFIMDEV	0x20	/* XXX no driver uses yet, images planes  */
98 #define GRFUNIT(d)	((d) & 0x7)
99