1
2/*
3 * Copyright (c) 1997-2003 by The XFree86 Project, Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Except as contained in this notice, the name of the copyright holder(s)
24 * and author(s) shall not be used in advertising or otherwise to promote
25 * the sale, use or other dealings in this Software without prior written
26 * authorization from the copyright holder(s) and author(s).
27 */
28
29/*
30 * This file contains all the XFree86 global variables.
31 */
32
33#ifdef HAVE_XORG_CONFIG_H
34#include <xorg-config.h>
35#endif
36
37#include <X11/X.h>
38#include "os.h"
39#include "windowstr.h"
40#include "propertyst.h"
41#include "xf86.h"
42#include "xf86Priv.h"
43#include "xf86Parser.h"
44#include "xf86Xinput.h"
45#include "xf86InPriv.h"
46#include "xf86Config.h"
47
48/* Globals that video drivers may access */
49
50DevPrivateKeyRec xf86CreateRootWindowKeyRec;
51DevPrivateKeyRec xf86ScreenKeyRec;
52
53ScrnInfoPtr *xf86Screens = NULL;	/* List of ScrnInfos */
54const unsigned char byte_reversed[256] =
55{
56    0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
57    0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
58    0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
59    0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
60    0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
61    0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
62    0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
63    0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
64    0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
65    0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
66    0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
67    0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
68    0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
69    0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
70    0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
71    0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
72    0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
73    0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
74    0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
75    0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
76    0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
77    0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
78    0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
79    0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
80    0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
81    0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
82    0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
83    0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
84    0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
85    0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
86    0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
87    0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
88};
89
90/* Globals that input drivers may access */
91InputInfoPtr xf86InputDevs = NULL;
92
93
94/* Globals that video drivers may not access */
95
96xf86InfoRec xf86Info = {
97    .consoleFd                  = -1,
98    .vtno                       = -1,
99    .vtSysreq                   = FALSE,
100    .lastEventTime              = -1,
101    .vtRequestsPending          = FALSE,
102#ifdef sun
103    .vtPendingNum               = -1,
104#endif
105    .dontVTSwitch               = FALSE,
106    .dontZap                    = FALSE,
107    .dontZoom                   = FALSE,
108    .notrapSignals              = FALSE,
109    .caughtSignal               = FALSE,
110    .currentScreen              = NULL,
111#ifdef CSRG_BASED
112    .screenFd                   = -1,
113    .consType                   = -1,
114#endif
115    .allowMouseOpenFail         = FALSE,
116    .vidModeEnabled             = TRUE,
117    .vidModeAllowNonLocal       = FALSE,
118    .miscModInDevEnabled        = TRUE,
119    .miscModInDevAllowNonLocal  = FALSE,
120    .pixmap24                   = Pix24DontCare,
121    .pix24From                  = X_DEFAULT,
122#ifdef SUPPORT_PC98
123    .pc98                       = FALSE,
124#endif
125    .pmFlag                     = TRUE,
126    .log                        = LogNone,
127    .disableRandR               = FALSE,
128    .randRFrom                  = X_DEFAULT,
129#if defined(CONFIG_HAL) || defined(CONFIG_UDEV)
130    .forceInputDevices          = FALSE,
131    .autoAddDevices             = TRUE,
132    .autoEnableDevices          = TRUE
133#else
134    .forceInputDevices          = TRUE,
135    .autoAddDevices             = FALSE,
136    .autoEnableDevices          = FALSE
137#endif
138};
139const char *xf86ConfigFile = NULL;
140const char *xf86ConfigDir = NULL;
141const char *xf86ModulePath = DEFAULT_MODULE_PATH;
142MessageType xf86ModPathFrom = X_DEFAULT;
143const char *xf86LogFile = DEFAULT_LOGPREFIX;
144MessageType xf86LogFileFrom = X_DEFAULT;
145Bool xf86LogFileWasOpened = FALSE;
146serverLayoutRec xf86ConfigLayout = {NULL, };
147confDRIRec xf86ConfigDRI = {0, };
148XF86ConfigPtr xf86configptr = NULL;
149Bool xf86Resetting = FALSE;
150Bool xf86Initialising = FALSE;
151Bool xf86DoConfigure = FALSE;
152Bool xf86DoShowOptions = FALSE;
153DriverPtr *xf86DriverList = NULL;
154int xf86NumDrivers = 0;
155InputDriverPtr *xf86InputDriverList = NULL;
156int xf86NumInputDrivers = 0;
157int xf86NumScreens = 0;
158
159const char *xf86VisualNames[] = {
160	"StaticGray",
161	"GrayScale",
162	"StaticColor",
163	"PseudoColor",
164	"TrueColor",
165	"DirectColor"
166};
167
168/* Parameters set only from the command line */
169char *xf86ServerName = "no-name";
170Bool xf86fpFlag = FALSE;
171Bool xf86sFlag = FALSE;
172Bool xf86bsEnableFlag = FALSE;
173Bool xf86bsDisableFlag = FALSE;
174Bool xf86silkenMouseDisableFlag = FALSE;
175Bool xf86xkbdirFlag = FALSE;
176#ifdef HAVE_ACPI
177Bool xf86acpiDisableFlag = FALSE;
178#endif
179char *xf86LayoutName = NULL;
180char *xf86ScreenName = NULL;
181char *xf86PointerName = NULL;
182char *xf86KeyboardName = NULL;
183int xf86Verbose = DEFAULT_VERBOSE;
184int xf86LogVerbose = DEFAULT_LOG_VERBOSE;
185int xf86FbBpp = -1;
186Pix24Flags xf86Pix24 = Pix24DontCare;
187int xf86Depth = -1;
188rgb xf86Weight = {0, 0, 0};
189Bool xf86FlipPixels = FALSE;
190Gamma xf86Gamma = {0.0, 0.0, 0.0};
191Bool xf86AllowMouseOpenFail = FALSE;
192#ifdef XF86VIDMODE
193Bool xf86VidModeDisabled = FALSE;
194Bool xf86VidModeAllowNonLocal = FALSE;
195#endif
196RootWinPropPtr *xf86RegisteredPropertiesTable = NULL;
197Bool xorgHWAccess = FALSE;
198