summaryrefslogtreecommitdiff
path: root/sys/arch/mac68k/dev/grfvar.h
blob: 712b59c3ceeedcb88ff3ee5d248b8fdc694c18de (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/*	$OpenBSD: grfvar.h,v 1.14 2005/04/26 21:09:35 martin Exp $	*/
/*	$NetBSD: grfvar.h,v 1.11 1996/08/04 06:03:58 scottr Exp $	*/

/*
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * from: Utah $Hdr: grfvar.h 1.9 91/01/21$
 *
 *	@(#)grfvar.h	7.3 (Berkeley) 5/7/91
 */

#define CARD_NAME_LEN	64

/*
 * State info, per hardware instance.
 */
struct grfbus_softc {
	struct	device	sc_dev;
	nubus_slot	sc_slot;

	bus_space_tag_t		sc_tag;
	bus_space_handle_t	sc_regh;
	bus_space_handle_t	sc_fbh;

	struct	grfmode curr_mode;	/* hardware desc(for ioctl)	*/
	u_int32_t	card_id;	/* DrHW value for nubus cards	*/
	u_int32_t	cli_offset;	/* Offset of byte to clear intr */
					/* for cards where that's suff.  */
	unsigned char	cli_value;	/* Value to write at cli_offset */
	nubus_dir	board_dir;	/* Nubus dir for curr board	*/
};

/*
 * State info, per grf instance.
 */
struct grf_softc {
	struct	device sc_dev;		/* device glue */

	bus_space_tag_t		sc_tag;
	bus_space_handle_t	sc_regh;

	int	sc_flags;		/* software flags */
	struct	grfmode *sc_grfmode;	/* forwarded ... */
	nubus_slot	*sc_slot;
					/* mode-change on/off/mode function */
	int	(*sc_mode)(struct grf_softc *, int, void *);
					/* map virtual addr to physical addr */
	caddr_t	(*sc_phys)(struct grf_softc *, vm_offset_t);
};

/*
 * Attach grf and ite semantics to Mac video hardware.
 */
struct grfbus_attach_args {
	char	*ga_name;		/* name of semantics to attach */
	struct	grfmode *ga_grfmode;	/* forwarded ... */
	nubus_slot	*ga_slot;
	int	(*ga_mode)(struct grf_softc *, int, void *);
	caddr_t	(*ga_phys)(struct grf_softc *, vm_offset_t);
};

typedef	caddr_t (*grf_phys_t)(struct grf_softc *gp, vm_offset_t addr);

/* flags */
#define	GF_ALIVE	0x01
#define GF_OPEN		0x02
#define GF_EXCLUDE	0x04
#define GF_WANTED	0x08
#define GF_BSDOPEN	0x10
#define GF_HPUXOPEN	0x20

/* requests to mode routine */
#define GM_GRFON	1
#define GM_GRFOFF	2
#define GM_CURRMODE	3
#define GM_LISTMODES	4
#define GM_NEWMODE	5

/* minor device interpretation */
#define GRFUNIT(d)	((d) & 0x7)

/*
 * Nubus image data structure.  This is the equivalent of a PixMap in
 * MacOS programming parlance.  One of these structures exists for each
 * video mode that a quickdraw compatible card can fit in.
 */
struct image_data {
	u_int32_t	size;
	u_int32_t	offset;
	u_int16_t	rowbytes;
	u_int16_t	top;
	u_int16_t	left;
	u_int16_t	bottom;
	u_int16_t	right;
	u_int16_t	version;
	u_int16_t	packType;
	u_int32_t	packSize;
	u_int32_t	hRes;
	u_int32_t	vRes;
	u_int16_t	pixelType;
	u_int16_t	pixelSize;	
	u_int16_t	cmpCount;
	u_int16_t	cmpSize;
	u_int32_t	planeBytes;
};

#define VID_PARAMS		1
#define VID_TABLE_OFFSET	2
#define VID_PAGE_CNT		3
#define VID_DEV_TYPE		4

int	grfopen(dev_t dev, int flag, int mode, struct proc *p);
int	grfclose(dev_t dev, int flag, int mode, struct proc *p);
int	grfioctl(dev_t, int, caddr_t, int, struct proc *p);
int	grfpoll(dev_t dev, int rw, struct proc *p);
paddr_t	grfmmap(dev_t dev, off_t off, int prot);
int	grfon(dev_t dev);
int	grfoff(dev_t dev);
int	grfaddr(struct grf_softc *gp, register int off);
int	grfmap(dev_t dev, caddr_t *addrp, struct proc *p);
int	grfunmap(dev_t dev, caddr_t addr, struct proc *p);

void	grf_establish(struct grfbus_softc *, nubus_slot *,
	    int (*)(struct grf_softc *, int, void *),
	    caddr_t (*)(struct grf_softc *, vm_offset_t));
int	grfbusprint(void *, const char *);