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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
/*
* Copyright (c) 1997-2003 by The XFree86 Project, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of the copyright holder(s)
* and author(s) shall not be used in advertising or otherwise to promote
* the sale, use or other dealings in this Software without prior written
* authorization from the copyright holder(s) and author(s).
*/
/*
* This file contains the DPMS functions required by the extension.
*/
#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif
#include <X11/X.h>
#include "os.h"
#include "globals.h"
#include "xf86.h"
#include "xf86Priv.h"
#ifdef DPMSExtension
#define DPMS_SERVER
#include <X11/extensions/dpms.h>
#include "dpmsproc.h"
#endif
#ifdef DPMSExtension
static DevPrivateKey DPMSKey = NULL;
static Bool DPMSClose(int i, ScreenPtr pScreen);
static int DPMSCount = 0;
#endif
_X_EXPORT Bool
xf86DPMSInit(ScreenPtr pScreen, DPMSSetProcPtr set, int flags)
{
#ifdef DPMSExtension
ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
DPMSPtr pDPMS;
pointer DPMSOpt;
MessageType enabled_from = X_INFO;
DPMSKey = &DPMSKey;
if (DPMSDisabledSwitch)
DPMSEnabled = FALSE;
if (!dixSetPrivate(&pScreen->devPrivates, DPMSKey,
xcalloc(sizeof(DPMSRec), 1)))
return FALSE;
pDPMS = (DPMSPtr)dixLookupPrivate(&pScreen->devPrivates, DPMSKey);
pScrn->DPMSSet = set;
pDPMS->Flags = flags;
DPMSOpt = xf86FindOption(pScrn->options, "dpms");
if (DPMSOpt) {
if ((pDPMS->Enabled
= xf86SetBoolOption(pScrn->options, "dpms", FALSE))
&& !DPMSDisabledSwitch)
DPMSEnabled = TRUE;
enabled_from = X_CONFIG;
xf86MarkOptionUsed(DPMSOpt);
} else if (DPMSEnabledSwitch) {
if (!DPMSDisabledSwitch)
DPMSEnabled = TRUE;
pDPMS->Enabled = TRUE;
}
else {
pDPMS->Enabled = defaultDPMSEnabled;
}
if (pDPMS->Enabled)
xf86DrvMsg(pScreen->myNum, enabled_from, "DPMS enabled\n");
pDPMS->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = DPMSClose;
DPMSCount++;
return TRUE;
#else
return FALSE;
#endif
}
#ifdef DPMSExtension
static Bool
DPMSClose(int i, ScreenPtr pScreen)
{
DPMSPtr pDPMS;
/* This shouldn't happen */
if (DPMSKey == NULL)
return FALSE;
pDPMS = (DPMSPtr)dixLookupPrivate(&pScreen->devPrivates, DPMSKey);
/* This shouldn't happen */
if (!pDPMS)
return FALSE;
pScreen->CloseScreen = pDPMS->CloseScreen;
/*
* Turn on DPMS when shutting down. If this function can be used
* depends on the order the driver wraps things. If this is called
* after the driver has shut down everything the driver will have
* to deal with this internally.
*/
if (xf86Screens[i]->vtSema && xf86Screens[i]->DPMSSet) {
xf86Screens[i]->DPMSSet(xf86Screens[i],DPMSModeOn,0);
}
xfree((pointer)pDPMS);
dixSetPrivate(&pScreen->devPrivates, DPMSKey, NULL);
if (--DPMSCount == 0)
DPMSKey = NULL;
return pScreen->CloseScreen(i, pScreen);
}
/*
* DPMSSet --
* Device dependent DPMS mode setting hook. This is called whenever
* the DPMS mode is to be changed.
*/
_X_EXPORT int
DPMSSet(ClientPtr client, int level)
{
int rc, i;
DPMSPtr pDPMS;
ScrnInfoPtr pScrn;
DPMSPowerLevel = level;
if (DPMSKey == NULL)
return Success;
if (level != DPMSModeOn) {
rc = dixSaveScreens(client, SCREEN_SAVER_FORCER, ScreenSaverActive);
if (rc != Success)
return rc;
}
/* For each screen, set the DPMS level */
for (i = 0; i < xf86NumScreens; i++) {
pScrn = xf86Screens[i];
pDPMS = (DPMSPtr)dixLookupPrivate(&screenInfo.screens[i]->devPrivates,
DPMSKey);
if (pDPMS && pScrn->DPMSSet && pDPMS->Enabled && pScrn->vtSema) {
xf86EnableAccess(pScrn);
pScrn->DPMSSet(pScrn, level, 0);
}
}
return Success;
}
/*
* DPMSSupported --
* Return TRUE if any screen supports DPMS.
*/
_X_EXPORT Bool
DPMSSupported(void)
{
int i;
DPMSPtr pDPMS;
ScrnInfoPtr pScrn;
if (DPMSKey == NULL) {
return FALSE;
}
/* For each screen, check if DPMS is supported */
for (i = 0; i < xf86NumScreens; i++) {
pScrn = xf86Screens[i];
pDPMS = (DPMSPtr)dixLookupPrivate(&screenInfo.screens[i]->devPrivates,
DPMSKey);
if (pDPMS && pScrn->DPMSSet)
return TRUE;
}
return FALSE;
}
/*
* DPMSGet --
* Device dependent DPMS mode getting hook. This returns the current
* DPMS mode, or -1 if DPMS is not supported.
*
* This should hook in to the appropriate driver-level function, which
* will be added to the ScrnInfoRec.
*
* NOTES:
* 1. the calling interface should be changed to specify which
* screen to check.
* 2. It isn't clear that this function is ever used or what it should
* return.
*/
_X_EXPORT int
DPMSGet(int *level)
{
return DPMSPowerLevel;
}
#endif /* DPMSExtension */
|
