[libcamera-devel] [RFC 2/7] libcamera: sensor: Add OV5670 camera sensor

[Jacopo Mondi]

Add OV5670CameraSensor class to handle Omnivision OV5670 image sensor
and add support for it in the CameraSensorFactory::create() method.

Signed-off-by: Jacopo Mondi <jacopo at jmondi.org>
---
 src/libcamera/camera_sensor.cpp  |  6 ++++++
 src/libcamera/meson.build        |  1 +
 src/libcamera/sensor/meson.build |  3 +++
 src/libcamera/sensor/ov5670.cpp  | 18 ++++++++++++++++++
 src/libcamera/sensor/ov5670.h    | 23 +++++++++++++++++++++++
 5 files changed, 51 insertions(+)
 create mode 100644 src/libcamera/sensor/meson.build
 create mode 100644 src/libcamera/sensor/ov5670.cpp
 create mode 100644 src/libcamera/sensor/ov5670.h

diff --git a/src/libcamera/camera_sensor.cpp b/src/libcamera/camera_sensor.cpp
index ac8878fe336e..d1c9c9bcd58f 100644
--- a/src/libcamera/camera_sensor.cpp
+++ b/src/libcamera/camera_sensor.cpp
@@ -6,12 +6,14 @@
  */
 
 #include "camera_sensor.h"
+#include "sensor/ov5670.h"
 
 #include <algorithm>
 #include <float.h>
 #include <iomanip>
 #include <limits.h>
 #include <math.h>
+#include <string>
 
 #include <libcamera/property_ids.h>
 
@@ -47,6 +49,10 @@ LOG_DEFINE_CATEGORY(CameraSensor);
  */
 CameraSensor *CameraSensorFactory::create(const MediaEntity *entity)
 {
+	const std::string &sensorName = entity->name();
+	if (sensorName == "ov5670")
+		return new OV5670CameraSensor(entity);
+
 	return new CameraSensor(entity);
 }
 
diff --git a/src/libcamera/meson.build b/src/libcamera/meson.build
index 14aff6e5fc13..d8d7ac248ae3 100644
--- a/src/libcamera/meson.build
+++ b/src/libcamera/meson.build
@@ -55,6 +55,7 @@ includes = [
 
 subdir('pipeline')
 subdir('proxy')
+subdir('sensor')
 
 libudev = dependency('libudev', required : false)
 
diff --git a/src/libcamera/sensor/meson.build b/src/libcamera/sensor/meson.build
new file mode 100644
index 000000000000..7af70370cf5c
--- /dev/null
+++ b/src/libcamera/sensor/meson.build
@@ -0,0 +1,3 @@
+libcamera_sources += files([
+    'ov5670.cpp',
+])
diff --git a/src/libcamera/sensor/ov5670.cpp b/src/libcamera/sensor/ov5670.cpp
new file mode 100644
index 000000000000..ca9f3c1d544f
--- /dev/null
+++ b/src/libcamera/sensor/ov5670.cpp
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * ov5670.cpp - OV5670 camera sensor
+ */
+
+#include "ov5670.h"
+#include "camera_sensor.h"
+
+namespace libcamera {
+
+OV5670CameraSensor::OV5670CameraSensor(const MediaEntity *entity)
+	: CameraSensor(entity)
+{
+}
+
+}; /* namespace libcamera */
diff --git a/src/libcamera/sensor/ov5670.h b/src/libcamera/sensor/ov5670.h
new file mode 100644
index 000000000000..f84239c8411d
--- /dev/null
+++ b/src/libcamera/sensor/ov5670.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * ov5670.h - OV5670 camera sensor
+ */
+#ifndef __LIBCAMERA_OV5670_H__
+#define __LIBCAMERA_OV5670_H__
+
+#include "camera_sensor.h"
+
+namespace libcamera {
+
+class OV5670CameraSensor final : public CameraSensor
+{
+private:
+	OV5670CameraSensor(const MediaEntity *entity);
+	friend CameraSensorFactory;
+};
+
+}; /* namespace libcamera */
+
+#endif /* __LIBCAMERA_OV5670_H__ */
-- 
2.24.0