xref: /netbsd-src/sys/arch/amiga/dev/grfvar.h (revision ae1bfcddc410612bc8c58b807e1830becb69a24c)
1 /*
2  * Copyright (c) 1988 University of Utah.
3  * Copyright (c) 1990 The Regents of the University of California.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to Berkeley by
7  * the Systems Programming Group of the University of Utah Computer
8  * Science Department.
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 University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
39  *
40  *	@(#)grfvar.h	7.3 (Berkeley) 5/7/91
41  *	$Id: grfvar.h,v 1.7 1994/05/08 05:53:10 chopps Exp $
42  */
43 
44 struct ite_softc;
45 
46 /*
47  * this struct is owned by the driver (grfcc, grfrt)
48  * and is passed to grf when grf is configed. The ite also
49  * uses it...
50  */
51 struct	grf_softc {
52 	struct device  g_device;	/* config sets this up. */
53 	struct grfinfo g_display;	/* hardware description (for ioctl) */
54 	volatile caddr_t g_regkva;	/* KVA of registers */
55 	volatile caddr_t g_fbkva;	/* KVA of framebuffer */
56 	int     g_flags;		/* software flags */
57 	int	g_unit;			/* grf unit we want/have */
58 	dev_t	g_itedev;		/* ite device number */
59 	dev_t	g_grfdev;		/* grf device number */
60 	caddr_t g_data;			/* device dependent data */
61 	int  (*g_mode)();
62 	int    g_conpri;		/* priority of ite as console */
63 	void (*g_iteinit)	__P((struct ite_softc *));
64 	void (*g_itedeinit)	__P((struct ite_softc *));
65 	void (*g_iteclear)	__P((struct ite_softc *,int,int,int,int));
66 	void (*g_iteputc)	__P((struct ite_softc *,int,int,int,int));
67 	void (*g_itecursor)	__P((struct ite_softc *,int));
68 	void (*g_itescroll)	__P((struct ite_softc *,int,int,int,int));
69 };
70 
71 /* flags */
72 #define	GF_ALIVE	0x01
73 #define GF_OPEN		0x02
74 #define GF_EXCLUDE	0x04
75 #define GF_WANTED	0x08
76 #define GF_GRFON	0x10
77 
78 /* software ids defined in grfioctl.h */
79 
80 /* requests to mode routine (g_mode())*/
81 #define GM_GRFON	1
82 #define GM_GRFOFF	2
83 #define GM_GRFOVON	3
84 #define GM_GRFOVOFF	4
85 #define GM_GRFCONFIG	5
86 #define GM_GRFGETVMODE	6
87 #define GM_GRFSETVMODE	7
88 #define GM_GRFGETNUMVM	8
89 #define GM_GRFGETBANK	9
90 #define GM_GRFSETBANK	10
91 #define GM_GRFGETCURBANK 11
92 #define GM_GRFIOCTL	12
93 
94 /* minor device interpretation */
95 #define GRFOVDEV	0x10	/* XXX no driver uses yet, overlay planes */
96 #define GRFIMDEV	0x20	/* XXX no driver uses yet, images planes */
97 #define GRFUNIT(d)	((d) & 0x7)
98 
99 /*
100  * unit numbers for devices
101  */
102 enum grfunits {
103 	GRF_CC_UNIT,
104 	GRF_RETINAII_UNIT
105 };
106