S5PC11X: SENSOR: Add libsensor HAL.

Goes with kernel drivers.  Modeled after NexusOne version that uses
input framework.  We removed the old device nodes and add rules
to make the new sysfs attributes accessible with the right permissions.

Change-Id: I61e12da6c553eee664cebee9b9b9a77f9d099020
Signed-off-by: Mike J. Chen <mjchen@sta.samsung.com>

1 files changed, 62 insertions, 0 deletions

diff --git a/libsensors/AkmSensor.h b/libsensors/AkmSensor.h
new file mode 100644
index 0000000..c44ba91
--- /dev/null
+++ b/libsensors/AkmSensor.h
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2008 The Android Open Source 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.
+ */
+
+#ifndef ANDROID_AKM_SENSOR_H
+#define ANDROID_AKM_SENSOR_H
+
+#include <stdint.h>
+#include <errno.h>
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+
+#include "sensors.h"
+#include "SensorBase.h"
+#include "InputEventReader.h"
+
+/*****************************************************************************/
+
+struct input_event;
+
+class AkmSensor : public SensorBase {
+public:
+            AkmSensor();
+    virtual ~AkmSensor();
+
+    enum {
+        Accelerometer   = 0,
+        MagneticField   = 1,
+        Orientation     = 2,
+        numSensors
+    };
+
+    virtual int setDelay(int32_t handle, int64_t ns);
+    virtual int enable(int32_t handle, int enabled);
+    virtual int readEvents(sensors_event_t* data, int count);
+    void processEvent(int code, int value);
+
+private:
+    int update_delay();
+    uint32_t mEnabled;
+    uint32_t mPendingMask;
+    InputEventCircularReader mInputReader;
+    sensors_event_t mPendingEvents[numSensors];
+    uint64_t mDelays[numSensors];
+};
+
+/*****************************************************************************/
+
+#endif  // ANDROID_AKM_SENSOR_H