xref: /netbsd-src/sys/arch/atari/dev/grfvar.h (revision 2a84159ada57dac1a3a322c289d36b976db1a473)
1 /*	$NetBSD: grfvar.h,v 1.15 2023/01/06 10:28:28 tsutsui 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. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
37  *
38  *	@(#)grfvar.h	7.3 (Berkeley) 5/7/91
39  */
40 
41 /*
42  * Structure passed as 'aux' during autoconf.
43  */
44 typedef struct {
45 	cfprint_t	busprint;	/* grfbusprint function		*/
46 	int		from_bus_match;	/* called from grfbusmatch()	*/
47 	int		unit;		/* grf-unit we want to attach	*/
48 } grf_auxp_t;
49 
50 struct ite_softc;
51 
52 /*
53  * this struct is owned by the driver (grfcc)
54  * and is passed to grf when grf is configed. The ite also
55  * uses it...
56  */
57 struct	grf_softc {
58 	device_t	g_device;	/* config sets this up.		*/
59 	struct grfinfo	g_display;	/* hardware descr. (for ioctl)	*/
60 	int		g_flags;	/* software flags		*/
61 	int		g_unit;		/* grf unit we want/have	*/
62 	dev_t		g_itedev;	/* ite device number		*/
63 	dev_t		g_grfdev;	/* grf device number		*/
64 	dev_t		g_viewdev;	/* view device number		*/
65 	void *		g_data;		/* device dependent data	*/
66 	int		(*g_mode)(struct grf_softc *, int, void *,
67 								int, int);
68 	int		g_conpri;	/* priority of ite as console	*/
69 	void		(*g_iteinit)(struct ite_softc *);
70 	void		(*g_itedeinit)(struct ite_softc *);
71 	void		(*g_iteclear)(struct ite_softc *, int, int,
72 								int, int);
73 	void		(*g_iteputc)(struct ite_softc *, int, int,
74 								int, int);
75 	void		(*g_itecursor)(struct ite_softc *, int);
76 	void		(*g_itescroll)(struct ite_softc *, int, int,
77 								int, int);
78 };
79 
80 /* flags */
81 #define	GF_ALIVE	0x01
82 #define GF_OPEN		0x02
83 #define GF_EXCLUDE	0x04
84 #define GF_WANTED	0x08
85 #define GF_GRFON	0x10
86 
87 /* software ids defined in grfioctl.h */
88 
89 /* requests to mode routine (g_mode())*/
90 #define GM_GRFON		1
91 #define GM_GRFOFF		2
92 #define GM_GRFOVON		3
93 #define GM_GRFOVOFF		4
94 #define GM_GRFCONFIG		5
95 #define GM_GRFGETVMODE		6
96 #define GM_GRFSETVMODE		7
97 #define GM_GRFGETNUMVM		8
98 #define GM_GRFGETBANK		9
99 #define GM_GRFSETBANK		10
100 #define GM_GRFGETCURBANK	11
101 #define GM_GRFIOCTL		12
102 
103 /* minor device interpretation */
104 #define GRFOVDEV	0x10	/* XXX no driver uses yet, overlay planes */
105 #define GRFIMDEV	0x20	/* XXX no driver uses yet, images planes  */
106 #define GRFUNIT(d)	((d) & 0x7)
107 
108 #ifdef _KERNEL
109 
110 int  grf_mode(struct grf_softc *, int, void *, int, int);
111 void grf_viewsync(struct grf_softc *);
112 
113 extern struct grf_softc *grfsp[]; /* XXX */
114 #endif /* _KERNEL */
115