1/*
2 * Copyright 1992 by Rich Murphey <Rich@Rice.edu>
3 * Copyright 1993 by David Wexelblat <dwex@goblin.org>
4 *
5 * Permission to use, copy, modify, distribute, and sell this software and its
6 * documentation for any purpose is hereby granted without fee, provided that
7 * the above copyright notice appear in all copies and that both that
8 * copyright notice and this permission notice appear in supporting
9 * documentation, and that the names of Rich Murphey and David Wexelblat
10 * not be used in advertising or publicity pertaining to distribution of
11 * the software without specific, written prior permission.  Rich Murphey and
12 * David Wexelblat make no representations about the suitability of this
13 * software for any purpose.  It is provided "as is" without express or
14 * implied warranty.
15 *
16 * RICH MURPHEY AND DAVID WEXELBLAT DISCLAIM ALL WARRANTIES WITH REGARD TO
17 * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
18 * FITNESS, IN NO EVENT SHALL RICH MURPHEY OR DAVID WEXELBLAT BE LIABLE FOR
19 * ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
20 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
21 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
22 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
23 *
24 */
25
26#ifdef HAVE_XORG_CONFIG_H
27#include <xorg-config.h>
28#endif
29
30#include <X11/X.h>
31#include "xf86.h"
32#include "xf86Priv.h"
33
34#include "xf86_OSlib.h"
35#include "xf86OSpriv.h"
36
37#ifndef MAP_FAILED
38#define MAP_FAILED ((caddr_t)-1)
39#endif
40
41/***************************************************************************/
42/* Video Memory Mapping section                                            */
43/***************************************************************************/
44
45static pointer sparc64MapVidMem(int, unsigned long, unsigned long, int);
46static void sparc64UnmapVidMem(int, pointer, unsigned long);
47
48void
49xf86OSInitVidMem(VidMemInfoPtr pVidMem)
50{
51	pVidMem->linearSupported = TRUE;
52	pVidMem->mapMem = sparc64MapVidMem;
53	pVidMem->unmapMem = sparc64UnmapVidMem;
54	pVidMem->initialised = TRUE;
55}
56
57static pointer
58sparc64MapVidMem(int ScreenNum, unsigned long Base, unsigned long Size,
59		 int flags)
60{
61	int fd = xf86Info.screenFd;
62	pointer base;
63
64#ifdef DEBUG
65	xf86MsgVerb(X_INFO, 3, "mapVidMem %lx, %lx, fd = %d",
66		    Base, Size, fd);
67#endif
68
69	base = mmap(0, Size,
70		    (flags & VIDMEM_READONLY) ?
71		     PROT_READ : (PROT_READ | PROT_WRITE),
72		    MAP_SHARED, fd, Base);
73	if (base == MAP_FAILED)
74		FatalError("%s: could not mmap screen [s=%x,a=%x] (%s)",
75			   "xf86MapVidMem", Size, Base, strerror(errno));
76	return base;
77}
78
79static void
80sparc64UnmapVidMem(int ScreenNum, pointer Base, unsigned long Size)
81{
82	munmap(Base, Size);
83}
84
85int
86xf86ReadBIOS(unsigned long Base, unsigned long Offset, unsigned char *Buf,
87	     int Len)
88{
89
90	return 0;
91}
92