samsung: hardware: Rebrand from cmhw to lineagehw

Change-Id: I9576ca2d6bf5dfb9d0259e314f20aa0fe7f775b5

6 files changed, 562 insertions, 0 deletions

diff --git a/lineagehw/org/lineageos/hardware/AdaptiveBacklight.java b/lineagehw/org/lineageos/hardware/AdaptiveBacklight.java
new file mode 100644
index 0000000..dd3f93a
--- /dev/null
+++ b/lineagehw/org/lineageos/hardware/AdaptiveBacklight.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2013-2016 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.lineageos.hardware;
+
+import org.lineageos.internal.util.FileUtils;
+
+/**
+ * Adaptive backlight support (this refers to technologies like NVIDIA SmartDimmer,
+ * QCOM CABL or Samsung CABC).
+ */
+public class AdaptiveBacklight {
+
+    private static final String FILE_CABC = "/sys/class/lcd/panel/power_reduce";
+
+    /**
+     * Whether device supports an adaptive backlight technology.
+     *
+     * @return boolean Supported devices must return always true
+     */
+    public static boolean isSupported() {
+        return FileUtils.isFileWritable(FILE_CABC) &&
+                FileUtils.isFileReadable(FILE_CABC);
+    }
+
+    /**
+     * This method return the current activation status of the adaptive backlight technology.
+     *
+     * @return boolean Must be false when adaptive backlight is not supported or not activated, or
+     * the operation failed while reading the status; true in any other case.
+     */
+    public static boolean isEnabled() {
+        return "1".equals(FileUtils.readOneLine(FILE_CABC));
+    }
+
+    /**
+     * This method allows to setup adaptive backlight technology status.
+     *
+     * @param status The new adaptive backlight status
+     * @return boolean Must be false if adaptive backlight is not supported or the operation
+     * failed; true in any other case.
+     */
+    public static boolean setEnabled(boolean status) {
+        return FileUtils.writeLine(FILE_CABC, status ? "1" : "0");
+    }
+}
diff --git a/lineagehw/org/lineageos/hardware/DisplayModeControl.java b/lineagehw/org/lineageos/hardware/DisplayModeControl.java
new file mode 100644
index 0000000..a03a591
--- /dev/null
+++ b/lineagehw/org/lineageos/hardware/DisplayModeControl.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2015-2016 The CyanogenMod Project
+ *           (C) 2017 The LineageOS Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.lineageos.hardware;
+
+import lineageos.hardware.DisplayMode;
+import org.lineageos.internal.util.FileUtils;
+
+import java.util.Arrays;
+
+/*
+ * Display Modes API
+ *
+ * A device may implement a list of preset display modes for different
+ * viewing intents, such as movies, photos, or extra vibrance. These
+ * modes may have multiple components such as gamma correction, white
+ * point adjustment, etc, but are activated by a single control point.
+ *
+ * This API provides support for enumerating and selecting the
+ * modes supported by the hardware.
+ */
+
+public class DisplayModeControl {
+
+    private static final String MODE_PATH = "/sys/class/mdnie/mdnie/mode";
+    private static final String MAX_PATH = "/sys/class/mdnie/mdnie/mode_max";
+    private static final String DEFAULT_PATH = "/data/misc/.displaymodedefault";
+
+    private static final DisplayMode[] DISPLAY_MODES = {
+        new DisplayMode(0, "Dynamic"),
+        new DisplayMode(1, "Standard"),
+        new DisplayMode(2, "Natural"),
+        new DisplayMode(3, "Cinema"),
+        new DisplayMode(4, "Adaptive"),
+        new DisplayMode(5, "Reading"),
+    };
+
+    static {
+        if (FileUtils.isFileReadable(DEFAULT_PATH)) {
+            setMode(getDefaultMode(), false);
+        } else if (FileUtils.isFileReadable(MODE_PATH)) {
+            /* If default mode is not set yet, set current mode as default */
+            setMode(getCurrentMode(), true);
+        }
+    }
+
+    /*
+     * All HAF classes should export this boolean.
+     * Real implementations must, of course, return true
+     */
+    public static boolean isSupported() {
+        return FileUtils.isFileWritable(MODE_PATH) &&
+                FileUtils.isFileReadable(MODE_PATH) &&
+                FileUtils.isFileWritable(DEFAULT_PATH) &&
+                FileUtils.isFileReadable(DEFAULT_PATH);
+    }
+
+    /*
+     * Get the list of available modes. A mode has an integer
+     * identifier and a string name.
+     *
+     * It is the responsibility of the upper layers to
+     * map the name to a human-readable format or perform translation.
+     */
+    public static DisplayMode[] getAvailableModes() {
+        /* node is unreadable */
+        if (!FileUtils.isFileReadable(MAX_PATH)) {
+            return DISPLAY_MODES;
+        }
+
+        int max;
+        try {
+            max = Integer.parseInt(FileUtils.readOneLine(MAX_PATH));
+        } catch (NumberFormatException e) {
+            /* max is not an integer */
+            return DISPLAY_MODES;
+        }
+
+        /* max is invalid */
+        return Arrays.copyOfRange(DISPLAY_MODES, 0,
+                max >= 0 ? max : DISPLAY_MODES.length);
+    }
+
+    /*
+     * Get the name of the currently selected mode. This can return
+     * null if no mode is selected.
+     */
+    public static DisplayMode getCurrentMode() {
+        try {
+            int mode = Integer.parseInt(FileUtils.readOneLine(MODE_PATH));
+            return DISPLAY_MODES[mode];
+        } catch (NumberFormatException | ArrayIndexOutOfBoundsException e) {
+            return null;
+        }
+    }
+
+    /*
+     * Selects a mode from the list of available modes by it's
+     * string identifier. Returns true on success, false for
+     * failure. It is up to the implementation to determine
+     * if this mode is valid.
+     */
+    public static boolean setMode(DisplayMode mode, boolean makeDefault) {
+        if (mode == null) {
+            return false;
+        }
+
+        boolean success = FileUtils.writeLine(MODE_PATH, String.valueOf(mode.id));
+        if (success && makeDefault) {
+            return FileUtils.writeLine(DEFAULT_PATH, String.valueOf(mode.id));
+        }
+
+        return success;
+    }
+
+    /*
+     * Gets the preferred default mode for this device by it's
+     * string identifier. Can return null if there is no default.
+     */
+    public static DisplayMode getDefaultMode() {
+        try {
+            int mode = Integer.parseInt(FileUtils.readOneLine(DEFAULT_PATH));
+            return DISPLAY_MODES[mode];
+        } catch (NumberFormatException | ArrayIndexOutOfBoundsException e) {
+            return null;
+        }
+    }
+}
diff --git a/lineagehw/org/lineageos/hardware/HighTouchSensitivity.java b/lineagehw/org/lineageos/hardware/HighTouchSensitivity.java
new file mode 100644
index 0000000..27d58e3
--- /dev/null
+++ b/lineagehw/org/lineageos/hardware/HighTouchSensitivity.java
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2014-2016 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.lineageos.hardware;
+
+import android.util.Log;
+
+import org.lineageos.internal.util.FileUtils;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+
+/**
+ * Glove mode / high touch sensitivity
+ */
+public class HighTouchSensitivity {
+
+    private static final String TAG = "HighTouchSensitivity";
+
+    private static final String COMMAND_PATH = "/sys/class/sec/tsp/cmd";
+    private static final String COMMAND_LIST_PATH = "/sys/class/sec/tsp/cmd_list";
+    private static final String COMMAND_RESULT_PATH = "/sys/class/sec/tsp/cmd_result";
+    private static final String GLOVE_MODE = "glove_mode";
+    private static final String GLOVE_MODE_ENABLE = "glove_mode,1";
+    private static final String GLOVE_MODE_DISABLE = "glove_mode,0";
+    private static final String STATUS_OK = ":OK";
+
+    /**
+     * Whether device supports high touch sensitivity.
+     *
+     * @return boolean Supported devices must return always true
+     */
+    public static boolean isSupported() {
+        if (!FileUtils.isFileWritable(COMMAND_PATH) ||
+                !FileUtils.isFileReadable(COMMAND_LIST_PATH) ||
+                !FileUtils.isFileReadable(COMMAND_RESULT_PATH)) {
+            return false;
+        }
+
+        BufferedReader reader = null;
+        try {
+            String currentLine;
+            reader = new BufferedReader(new FileReader(COMMAND_LIST_PATH));
+            while ((currentLine = reader.readLine()) != null) {
+                if (GLOVE_MODE.equals(currentLine)) {
+                    return true;
+                }
+            }
+        } catch (IOException e) {
+            Log.e(TAG, "Could not read from file " + COMMAND_LIST_PATH, e);
+        } finally {
+            if (reader != null) {
+                try {
+                    reader.close();
+                } catch (IOException e) {
+                    // Ignore exception, no recovery possible
+                }
+            }
+        }
+        return false;
+    }
+
+    /** This method returns the current activation status of high touch sensitivity
+     *
+     * @return boolean Must be false if high touch sensitivity is not supported or not activated,
+     * or the operation failed while reading the status; true in any other case.
+     */
+    public static boolean isEnabled() {
+        return (GLOVE_MODE_ENABLE + STATUS_OK).equals(FileUtils.readOneLine(COMMAND_RESULT_PATH));
+    }
+
+    /**
+     * This method allows to setup high touch sensitivity status.
+     *
+     * @param status The new high touch sensitivity status
+     * @return boolean Must be false if high touch sensitivity is not supported or the operation
+     * failed; true in any other case.
+     */
+    public static boolean setEnabled(boolean status) {
+        return FileUtils.writeLine(COMMAND_PATH, status ? GLOVE_MODE_ENABLE : GLOVE_MODE_DISABLE);
+    }
+}
diff --git a/lineagehw/org/lineageos/hardware/SunlightEnhancement.java b/lineagehw/org/lineageos/hardware/SunlightEnhancement.java
new file mode 100644
index 0000000..625403d
--- /dev/null
+++ b/lineagehw/org/lineageos/hardware/SunlightEnhancement.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2016 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.lineageos.hardware;
+
+import android.os.SystemProperties;
+
+import org.lineageos.internal.util.FileUtils;
+
+/**
+ * Sunlight Readability Enhancement support, aka Facemelt Mode.
+ *
+ * Brightens up the screen via image processing or other tricks when
+ * under aggressive lighting conditions. Usually depends on CABC
+ * support.
+ */
+public class SunlightEnhancement {
+
+    private static final String FILE_SRE = "/sys/class/mdnie/mdnie/outdoor";
+
+    /**
+     * Whether device supports SRE
+     *
+     * @return boolean Supported devices must return always true
+     */
+    public static boolean isSupported() {
+        return FileUtils.isFileWritable(FILE_SRE) &&
+                FileUtils.isFileReadable(FILE_SRE);
+    }
+
+    /**
+     * This method return the current activation status of SRE
+     *
+     * @return boolean Must be false when SRE is not supported or not activated, or
+     * the operation failed while reading the status; true in any other case.
+     */
+    public static boolean isEnabled() {
+        return "1".equals(FileUtils.readOneLine(FILE_SRE));
+    }
+
+    /**
+     * This method allows to setup SRE.
+     *
+     * @param status The new SRE status
+     * @return boolean Must be false if SRE is not supported or the operation
+     * failed; true in any other case.
+     */
+    public static boolean setEnabled(boolean status) {
+        return FileUtils.writeLine(FILE_SRE, status ? "1" : "0");
+    }
+
+    /**
+     * Whether adaptive backlight (CABL / CABC) is required to be enabled
+     *
+     * @return boolean False if adaptive backlight is not a dependency
+     */
+    public static boolean isAdaptiveBacklightRequired() {
+        return false;
+    }
+
+    /**
+     * Set this to true if the implementation is self-managed and does
+     * it's own ambient sensing. In this case, setEnabled is assumed
+     * to toggle the feature on or off, but not activate it. If set
+     * to false, LiveDisplay will call setEnabled when the ambient lux
+     * threshold is crossed.
+     *
+     * @return true if this enhancement is self-managed
+     */
+    public static boolean isSelfManaged() {
+        return false;
+    }
+}
diff --git a/lineagehw/org/lineageos/hardware/TouchscreenHovering.java b/lineagehw/org/lineageos/hardware/TouchscreenHovering.java
new file mode 100644
index 0000000..ff463d5
--- /dev/null
+++ b/lineagehw/org/lineageos/hardware/TouchscreenHovering.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2015-2016 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.lineageos.hardware;
+
+import android.util.Log;
+
+import org.lineageos.internal.util.FileUtils;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+
+/**
+ * Touchscreen Hovering
+ */
+public class TouchscreenHovering {
+
+    private static final String TAG = "TouchscreenHovering";
+
+    private static final String COMMAND_PATH = "/sys/class/sec/tsp/cmd";
+    private static final String COMMAND_LIST_PATH = "/sys/class/sec/tsp/cmd_list";
+    private static final String COMMAND_RESULT_PATH = "/sys/class/sec/tsp/cmd_result";
+    private static final String HOVER_MODE = "hover_enable";
+    private static final String HOVER_MODE_ENABLE = "hover_enable,1";
+    private static final String HOVER_MODE_DISABLE = "hover_enable,0";
+    private static final String STATUS_OK = ":OK";
+
+    /**
+     * Whether device supports touchscreen hovering.
+     *
+     * @return boolean Supported devices must return always true
+     */
+    public static boolean isSupported() {
+        if (!FileUtils.isFileWritable(COMMAND_PATH) ||
+                !FileUtils.isFileReadable(COMMAND_LIST_PATH) ||
+                !FileUtils.isFileReadable(COMMAND_RESULT_PATH)) {
+            return false;
+        }
+
+        BufferedReader reader = null;
+        try {
+            String currentLine;
+            reader = new BufferedReader(new FileReader(COMMAND_LIST_PATH));
+            while ((currentLine = reader.readLine()) != null) {
+                if (HOVER_MODE.equals(currentLine)) {
+                    return true;
+                }
+            }
+        } catch (IOException e) {
+            Log.e(TAG, "Could not read from file " + COMMAND_LIST_PATH, e);
+        } finally {
+            if (reader != null) {
+                try {
+                    reader.close();
+                } catch (IOException e) {
+                    // Ignore exception, no recovery possible
+                }
+            }
+        }
+        return false;
+    }
+
+    /** This method returns the current activation status of touchscreen hovering
+     *
+     * @return boolean Must be false if touchscreen hovering is not supported or not activated,
+     * or the operation failed while reading the status; true in any other case.
+     */
+    public static boolean isEnabled() {
+        return (HOVER_MODE_ENABLE + STATUS_OK).equals(
+                FileUtils.readOneLine(COMMAND_RESULT_PATH));
+    }
+
+    /**
+     * This method allows to setup touchscreen hovering status.
+     *
+     * @param status The new touchscreen hovering status
+     * @return boolean Must be false if touchscreen hovering is not supported or the operation
+     * failed; true in any other case.
+     */
+    public static boolean setEnabled(boolean status) {
+        return FileUtils.writeLine(COMMAND_PATH,
+                status ? HOVER_MODE_ENABLE : HOVER_MODE_DISABLE);
+    }
+}
diff --git a/lineagehw/org/lineageos/hardware/VibratorHW.java b/lineagehw/org/lineageos/hardware/VibratorHW.java
new file mode 100644
index 0000000..e92a60c
--- /dev/null
+++ b/lineagehw/org/lineageos/hardware/VibratorHW.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2013-2016 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.lineageos.hardware;
+
+import org.lineageos.internal.util.FileUtils;
+
+public class VibratorHW {
+
+    private static final String DEFAULT_PATH = "/sys/class/timed_output/vibrator/pwm_default";
+    private static final String LEVEL_PATH = "/sys/class/timed_output/vibrator/pwm_value";
+    private static final String MAX_PATH = "/sys/class/timed_output/vibrator/pwm_max";
+    private static final String MIN_PATH = "/sys/class/timed_output/vibrator/pwm_min";
+    private static final String THRESHOLD_PATH = "/sys/class/timed_output/vibrator/pwm_threshold";
+
+    public static boolean isSupported() {
+        return FileUtils.isFileWritable(LEVEL_PATH) &&
+                FileUtils.isFileReadable(LEVEL_PATH) &&
+                FileUtils.isFileReadable(DEFAULT_PATH) &&
+                FileUtils.isFileReadable(MAX_PATH) &&
+                FileUtils.isFileReadable(MIN_PATH) &&
+                FileUtils.isFileReadable(THRESHOLD_PATH);
+    }
+
+    public static int getMaxIntensity()  {
+        try {
+            return Integer.parseInt(FileUtils.readOneLine(MAX_PATH));
+        } catch (NumberFormatException e) {
+            return -1;
+        }
+    }
+
+    public static int getMinIntensity()  {
+        try {
+            return Integer.parseInt(FileUtils.readOneLine(MIN_PATH));
+        } catch (NumberFormatException e) {
+            return -1;
+        }
+    }
+
+    public static int getWarningThreshold()  {
+        try {
+            return Integer.parseInt(FileUtils.readOneLine(THRESHOLD_PATH));
+        } catch (NumberFormatException e) {
+            return -1;
+        }
+    }
+
+    public static int getCurIntensity()  {
+        try {
+            return Integer.parseInt(FileUtils.readOneLine(LEVEL_PATH));
+        } catch (NumberFormatException e) {
+            return -1;
+        }
+    }
+
+    public static int getDefaultIntensity()  {
+        try {
+            return Integer.parseInt(FileUtils.readOneLine(DEFAULT_PATH));
+        } catch (NumberFormatException e) {
+            return -1;
+        }
+    }
+
+    public static boolean setIntensity(int intensity)  {
+        return FileUtils.writeLine(LEVEL_PATH, String.valueOf(intensity));
+    }
+}