wsfb.h revision dc9c99a5 
1/* $OpenBSD: wsfb_driver.c,v 1.18 2003/04/02 16:42:13 jason Exp $ */
2/*
3 * Copyright (c) 2001 Matthieu Herrb
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 *    - Redistributions of source code must retain the above copyright
11 *      notice, this list of conditions and the following disclaimer.
12 *    - Redistributions in binary form must reproduce the above
13 *      copyright notice, this list of conditions and the following
14 *      disclaimer in the documentation and/or other materials provided
15 *      with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
21 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 *
30 */
31
32/*
33 * Based on fbdev.c written by:
34 *
35 * Authors:  Alan Hourihane, <alanh@fairlite.demon.co.uk>
36 *	     Michel Dänzer, <michdaen@iiic.ethz.ch>
37 */
38
39#include <fcntl.h>
40#include <sys/types.h>
41#include <sys/time.h>
42#include <dev/wscons/wsconsio.h>
43
44#include "xorgVersion.h"
45
46#include "compat-api.h"
47
48#include "xf86.h"
49#include "xf86_OSproc.h"
50
51#if ABI_VIDEODRV_VERSION < SET_ABI_VERSION(25, 2)
52#include "xf86RamDac.h"
53#else
54#include "xf86Cursor.h"
55#endif
56
57#ifndef WSFB_H
58#define WSFB_H
59
60#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1,14,99,2,0)
61#define HAVE_SHADOW_AFB
62#endif
63
64/* private data */
65typedef struct {
66	int			fd; /* file descriptor of open device */
67	struct wsdisplayio_fbinfo fbi;
68	int			rotate;
69	unsigned char*		fbstart;
70	unsigned char*		fbmem;
71	size_t			fbmem_len;
72	void *			shadow;
73	Bool			shadowFB;
74	Bool			HWCursor;
75	Bool			useSwap32;
76#ifdef HAVE_SHADOW_AFB
77	Bool			planarAfb;
78#endif
79	CloseScreenProcPtr	CloseScreen;
80	CreateScreenResourcesProcPtr CreateScreenResources;
81	void                    (*PointerMoved)(SCRN_ARG_TYPE, int, int);
82	EntityInfoPtr		pEnt;
83	struct wsdisplay_cmap	saved_cmap;
84
85	struct wsdisplay_cursor cursor;
86	int			maskoffset;
87	xf86CursorInfoPtr	CursorInfoRec;
88#ifdef XFreeXDGA
89	/* DGA info */
90	DGAModePtr		pDGAMode;
91	int			nDGAMode;
92#endif
93	OptionInfoPtr		Options;
94} WsfbRec, *WsfbPtr;
95
96#define WSFBPTR(p) ((WsfbPtr)((p)->driverPrivate))
97
98Bool WsfbSetupCursor(ScreenPtr);
99
100#endif
101