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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
/* This file is part of the TDE libraries
Copyright (C) 2012 Timothy Pearson <kb9vqf@pearsoncomputing.net>
(C) 2013 Golubev Alexander <fatzer2@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "tdecpudevice.h"
#include <unistd.h>
#include <tqfile.h>
#include "tdeglobal.h"
#include "tdehardwaredevices.h"
#include "config.h"
// uPower
#if defined(WITH_TDEHWLIB_DAEMONS) || defined(WITH_HAL)
#include <tqdbusdata.h>
#include <tqdbusmessage.h>
#include <tqdbusproxy.h>
#include <tqdbusvariant.h>
#include <tqdbusconnection.h>
#endif // defined(WITH_TDEHWLIB_DAEMONS) || defined(WITH_HAL)
TDECPUDevice::TDECPUDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn) : TDEGenericDevice(dt, dn) {
m_frequency = -1;
m_minfrequency = -1;
m_maxfrequency = -1;
m_corenumber = -1;
m_transitionlatency = -1;
}
TDECPUDevice::~TDECPUDevice() {
}
double TDECPUDevice::frequency() {
return m_frequency;
}
void TDECPUDevice::internalSetFrequency(double fr) {
m_frequency = fr;
}
double TDECPUDevice::minFrequency() {
return m_minfrequency;
}
void TDECPUDevice::internalSetMinFrequency(double fr) {
m_minfrequency = fr;
}
double TDECPUDevice::maxFrequency() {
return m_maxfrequency;
}
void TDECPUDevice::internalSetMaxFrequency(double fr) {
m_maxfrequency = fr;
}
double TDECPUDevice::transitionLatency() {
return m_transitionlatency;
}
void TDECPUDevice::internalSetTransitionLatency(double tl) {
m_transitionlatency = tl;
}
TQString TDECPUDevice::governor() {
return m_governor;
}
void TDECPUDevice::internalSetGovernor(TQString gr) {
m_governor = gr;
}
TQString TDECPUDevice::scalingDriver() {
return m_scalingdriver;
}
void TDECPUDevice::internalSetScalingDriver(TQString dr) {
m_scalingdriver = dr;
}
TQStringList TDECPUDevice::dependentProcessors() {
return m_tiedprocs;
}
void TDECPUDevice::internalSetDependentProcessors(TQStringList dp) {
m_tiedprocs = dp;
}
TQStringList TDECPUDevice::availableFrequencies() {
return m_frequencies;
}
void TDECPUDevice::internalSetAvailableFrequencies(TQStringList af) {
m_frequencies = af;
}
TQStringList TDECPUDevice::availableGovernors() {
return m_governers;
}
void TDECPUDevice::internalSetAvailableGovernors(TQStringList gp) {
m_governers = gp;
}
void TDECPUDevice::internalSetCoreNumber(int cn) {
m_corenumber = cn;
}
bool TDECPUDevice::canSetGovernor() {
TQString governornode = systemPath() + "/cpufreq/scaling_governor";
int rval = access (governornode.ascii(), W_OK);
if (rval == 0) {
return true;
}
#ifdef WITH_TDEHWLIB_DAEMONS
{
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
TQT_DBusProxy hardwareControl("org.trinitydesktop.hardwarecontrol", "/org/trinitydesktop/hardwarecontrol", "org.trinitydesktop.hardwarecontrol.CPUGovernor", dbusConn);
if (hardwareControl.canSend()) {
// can set CPU governor?
TQValueList<TQT_DBusData> params;
params << TQT_DBusData::fromInt32(coreNumber());
TQT_DBusMessage reply = hardwareControl.sendWithReply("CanSetCPUGovernor", params);
if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) {
return reply[0].toBool();
}
}
}
}
#endif // WITH_TDEHWLIB_DAEMONS
#ifdef WITH_HAL
{
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.freedesktop.Hal",
"/org/freedesktop/Hal/devices/computer",
"org.freedesktop.Hal.Device.CPUFreq",
"GetCPUFreqGovernor");
TQT_DBusMessage reply = dbusConn.sendWithReply(msg);
if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) {
return true;
}
}
}
#endif // WITH_HAL
return false;
}
void TDECPUDevice::setGovernor(TQString gv) {
bool setGovernorDone = false;
TQString governornode = systemPath() + "/cpufreq/scaling_governor";
TQFile file( governornode );
if ( file.open( IO_WriteOnly ) ) {
TQTextStream stream( &file );
stream << gv.lower();
file.close();
setGovernorDone = true;
}
#ifdef WITH_TDEHWLIB_DAEMONS
if ( !setGovernorDone ) {
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
TQT_DBusProxy hardwareControl("org.trinitydesktop.hardwarecontrol", "/org/trinitydesktop/hardwarecontrol", "org.trinitydesktop.hardwarecontrol.CPUGovernor", dbusConn);
if (hardwareControl.canSend()) {
// set CPU governor
TQValueList<TQT_DBusData> params;
params << TQT_DBusData::fromInt32(coreNumber()) << TQT_DBusData::fromString(gv.lower());
TQT_DBusMessage reply = hardwareControl.sendWithReply("SetCPUGovernor", params);
if (reply.type() == TQT_DBusMessage::ReplyMessage) {
setGovernorDone = true;
}
}
}
}
#endif // WITH_TDEHWLIB_DAEMONS
#ifdef WITH_HAL
if ( !setGovernorDone ) {
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
TQT_DBusProxy cpuFreqControl("org.freedesktop.Hal", "/org/freedesktop/Hal/devices/computer", "org.freedesktop.Hal.Device.CPUFreq", dbusConn);
if (cpuFreqControl.canSend()) {
// set CPU governor
TQValueList<TQT_DBusData> params;
params << TQT_DBusData::fromString(gv.lower());
TQT_DBusMessage reply = cpuFreqControl.sendWithReply("SetCPUFreqGovernor", params);
if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) {
setGovernorDone = true;
}
}
}
}
#endif // WITH_HAL
// Force update of the device information object
if ( setGovernorDone ) {
TDEGlobal::hardwareDevices()->processModifiedCPUs();
}
}
bool TDECPUDevice::canSetMaximumScalingFrequency() {
TQString freqnode = systemPath() + "/cpufreq/scaling_max_freq";
int rval = access (freqnode.ascii(), W_OK);
if (rval == 0) {
return true;
}
else {
return false;
}
}
void TDECPUDevice::setMaximumScalingFrequency(double fr) {
TQString freqnode = systemPath() + "/cpufreq/scaling_max_freq";
TQFile file( freqnode );
if ( file.open( IO_WriteOnly ) ) {
TQTextStream stream( &file );
stream << TQString("%1").arg(fr*1000000.0, 0, 'f', 0);
file.close();
}
// Force update of the device information object
TDEGlobal::hardwareDevices()->processModifiedCPUs();
}
int TDECPUDevice::coreNumber() {
return m_corenumber;
}
#include "tdecpudevice.moc"
|
