/*
* Copyright (C) 2013 - 2014 Alexander "Evisceration" Martinz
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.namelessrom.devicecontrol.hardware;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.text.TextUtils;
import org.namelessrom.devicecontrol.App;
import org.namelessrom.devicecontrol.R;
import org.namelessrom.devicecontrol.models.BootupConfig;
import org.namelessrom.devicecontrol.modules.bootup.BootupItem;
import org.namelessrom.devicecontrol.utils.Utils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import timber.log.Timber;
public class GpuUtils {
private static String gpuBasePath = null;
private static String gpuGovPath = null;
private static String gpuGovsAvailablePath = null;
private static String gpuFreqsAvailPath = null;
private static String gpuFreqMaxPath = null;
private static String gpuFreqMinPath = null;
public static final String FILE_3D_SCALING = "/sys/devices/gr3d/enable_3d_scaling";
public static class Gpu {
public final String[] available;
public final String max;
public final String min;
public final String governor;
public Gpu(final String[] availFreqs, final String maxFreq, final String minFreq, final String gov) {
available = availFreqs;
max = maxFreq;
min = minFreq;
governor = gov;
}
}
private static GpuUtils sInstance;
private GpuUtils() { }
public static GpuUtils get() {
if (sInstance == null) {
sInstance = new GpuUtils();
}
return sInstance;
}
@Nullable public String getGpuBasePath() {
if (gpuBasePath == null) {
final String[] paths = App.get().getStringArray(R.array.hardware_gpu_base);
for (final String s : paths) {
if (Utils.fileExists(s)) {
gpuBasePath = s;
break;
}
}
if (TextUtils.isEmpty(gpuBasePath)) {
return "";
}
}
return gpuBasePath;
}
@Nullable public String getGpuGovPath() {
if (gpuGovPath == null) {
final String base = getGpuBasePath();
final String[] paths = App.get().getStringArray(R.array.hardware_gpu_gov_path);
for (final String s : paths) {
if (Utils.fileExists(base + s)) {
gpuGovPath = base + s;
break;
}
}
if (TextUtils.isEmpty(gpuGovPath)) {
return "";
}
}
return gpuGovPath;
}
@Nullable public String getGpuGovsAvailablePath() {
if (gpuGovsAvailablePath == null) {
final String base = getGpuBasePath();
final String[] paths = App.get().getStringArray(R.array.hardware_gpu_govs_avail_path);
for (final String s : paths) {
if (Utils.fileExists(base + s)) {
gpuGovsAvailablePath = base + s;
break;
}
}
if (TextUtils.isEmpty(gpuGovsAvailablePath)) {
return null;
}
}
return gpuGovsAvailablePath;
}
@Nullable public String getGpuFreqsAvailPath() {
if (gpuFreqsAvailPath == null) {
final String base = getGpuBasePath();
final String[] paths = App.get().getStringArray(R.array.hardware_gpu_freqs_avail);
for (final String s : paths) {
if (Utils.fileExists(base + s)) {
gpuFreqsAvailPath = base + s;
break;
}
}
if (TextUtils.isEmpty(gpuFreqsAvailPath)) {
return null;
}
}
return gpuFreqsAvailPath;
}
@Nullable public String getGpuFreqMaxPath() {
if (gpuFreqMaxPath == null) {
final String base = getGpuBasePath();
final String[] paths = App.get().getStringArray(R.array.hardware_gpu_freqs_max);
for (final String s : paths) {
if (Utils.fileExists(base + s)) {
gpuFreqMaxPath = base + s;
break;
}
}
if (TextUtils.isEmpty(gpuFreqMaxPath)) {
return null;
}
}
return gpuFreqMaxPath;
}
@Nullable public String getGpuFreqMinPath() {
if (gpuFreqMinPath == null) {
final String base = getGpuBasePath();
final String[] paths = App.get().getStringArray(R.array.hardware_gpu_freqs_min);
for (final String s : paths) {
if (Utils.fileExists(base + s)) {
gpuFreqMinPath = base + s;
break;
}
}
if (TextUtils.isEmpty(gpuFreqMinPath)) {
return null;
}
}
return gpuFreqMinPath;
}
@Nullable public String[] getAvailableFrequencies(final boolean sorted) {
final String freqsRaw = Utils.readOneLine(getGpuFreqsAvailPath());
if (freqsRaw != null && !freqsRaw.isEmpty()) {
final String[] freqs = freqsRaw.split(" ");
if (!sorted) {
return freqs;
}
Arrays.sort(freqs, new Comparator<String>() {
@Override
public int compare(String object1, String object2) {
return Utils.tryValueOf(object1, 0).compareTo(Utils.tryValueOf(object2, 0));
}
});
Collections.reverse(Arrays.asList(freqs));
return freqs;
}
return null;
}
@Nullable public String getMaxFreq() {
return Utils.readOneLine(getGpuFreqMaxPath());
}
@Nullable public String getMinFreq() {
return Utils.readOneLine(getGpuFreqMinPath());
}
@Nullable public String getGovernor() {
return Utils.readOneLine(getGpuGovPath());
}
public Gpu getGpu() {
return new GpuUtils.Gpu(
GpuUtils.get().getAvailableFrequencies(true),
GpuUtils.get().getMaxFreq(),
GpuUtils.get().getMinFreq(),
GpuUtils.get().getGovernor());
}
public boolean containsGov(final String gov) {
final String[] governors = GovernorUtils.get().getAvailableGpuGovernors();
if (governors == null) { return false; }
for (final String s : governors) {
if (gov.toLowerCase().equals(s.toLowerCase())) { return true; }
}
return false;
}
@NonNull public String restore(BootupConfig config) {
final ArrayList<BootupItem> items = config.getItemsByCategory(BootupConfig.CATEGORY_GPU);
if (items.size() == 0) {
return "";
}
final StringBuilder sbCmd = new StringBuilder();
for (final BootupItem item : items) {
if (!item.enabled) {
continue;
}
sbCmd.append(Utils.getWriteCommand(item.filename, item.value));
}
return sbCmd.toString();
}
@NonNull public static String toMhz(final String mhz) {
int mhzInt;
try {
mhzInt = Utils.parseInt(mhz);
} catch (Exception exc) {
Timber.e(exc.getMessage());
mhzInt = 0;
}
return (String.valueOf(mhzInt / 1000000) + " MHz");
}
@NonNull public static String fromMHz(final String mhzString) {
if (mhzString != null && !mhzString.isEmpty()) {
try {
return String.valueOf(Utils.parseInt(mhzString.replace(" MHz", "")) * 1000000);
} catch (Exception exc) {
Timber.e(exc.getMessage());
}
}
return "0";
}
@Nullable public static String[] freqsToMhz(final String[] frequencies) {
if (frequencies == null) { return null; }
final String[] names = new String[frequencies.length];
for (int i = 0; i < frequencies.length; i++) {
names[i] = toMhz(frequencies[i]);
}
return names;
}
}