fbvar.h revision 1.13 
1/*	$NetBSD: fbvar.h,v 1.13 2008/06/28 12:13:38 tsutsui Exp $	*/
2
3/*
4 * Copyright (c) 1992, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * This software was developed by the Computer Systems Engineering group
8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9 * contributed to Berkeley.
10 *
11 * All advertising materials mentioning features or use of this software
12 * must display the following acknowledgement:
13 *	This product includes software developed by the University of
14 *	California, Lawrence Berkeley Laboratory.
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 *    notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 *    notice, this list of conditions and the following disclaimer in the
23 *    documentation and/or other materials provided with the distribution.
24 * 3. 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 *	@(#)fbvar.h	8.1 (Berkeley) 6/11/93
41 */
42
43#include <sys/event.h>		/* for struct knote */
44
45/*
46 * Frame buffer variables.  All frame buffer drivers must provide the
47 * following in order to participate.
48 */
49
50struct fbcmap;
51
52struct fbdevice {
53	struct	fbtype fb_fbtype;	/* see fbio.h */
54	struct	fbdriver *fb_driver;	/* pointer to driver */
55	void *fb_private;		/* for fb driver use */
56	const char *fb_name;		/* i.e. sc_dev->dv_xname */
57
58	void *	fb_pixels;		/* display RAM */
59	int	fb_linebytes;		/* bytes per display line */
60
61	int	fb_flags;		/* copy of cf_flags */
62
63	/* This points to the P4 register if the FB has one. */
64	volatile uint32_t *fb_pfour;
65
66	/*
67	 * XXX - The "Raster console" stuff could be stored
68	 * in the driver specific structure at fb_private
69	 * if needed.
70	 */
71};
72
73struct fbdriver {
74	/* These avoid the need to know our major number. */
75	int 	(*fbd_open)(dev_t, int, int, struct lwp *);
76	int 	(*fbd_close)(dev_t, int, int, struct lwp *);
77	paddr_t	(*fbd_mmap)(dev_t, off_t, int);
78	int	(*fbd_kqfilter)(dev_t, struct knote *);
79	/* These are the internal ioctl functions */
80	int 	(*fbd_gattr)(struct fbdevice *,  void *);
81	int 	(*fbd_gvideo)(struct fbdevice *, void *);
82	int 	(*fbd_svideo)(struct fbdevice *, void *);
83	int 	(*fbd_getcmap)(struct fbdevice *, void *);
84	int 	(*fbd_putcmap)(struct fbdevice *, void *);
85};
86
87int 	fbioctlfb(struct fbdevice *, u_long, void *);
88
89void	fb_attach(struct fbdevice *, int);
90int 	fb_noioctl(struct fbdevice *, void *);
91
92void	fb_eeprom_setsize (struct fbdevice *);
93
94int 	fb_pfour_id(void *);
95int 	fb_pfour_get_video(struct fbdevice *);
96void	fb_pfour_set_video(struct fbdevice *, int);
97
98void	fb_pfour_setsize(struct fbdevice *);
99
100/* This comes from enable.c */
101void	enable_video(int);
102